:root {
  --bg: #131517;
  --fg: #f1f0ea;
  --sub: #a6aaac;
  --accent: #b08a52;
  --accent2: #6f94a6;
  --card: #1a1d20;
  --card-border: #34383b;
  --line: #34383b;
  --control-border: #6a7073;
  --danger: #d16a5e;
  --on-accent: #17191c;
  /* 駅名標 (実物の駅サイン) の質感。塗装金属の板をイメージした地色と、
     壁から浮いて見せるための硬い影。ぼかしは最小限にして実体感を出す */
  --plate: #1a1d20;
  --plate-edge: #34383b;
  --plate-shadow: #0b0d0e;
  /* 物理ボタンの底面 (押すと沈む) */
  --btn-edge: #0b0d0e;
  /* 駅設備の操作盤。筐体・キー・継ぎ目を別の面として扱う */
  --panel-shell: #17191c;
  --panel-key: #1e2124;
  --panel-key-pressed: #151719;
  --panel-seam: #34383b;
  --panel-engraved: #8e9497;
  --edge-highlight: rgba(255, 255, 255, 0.07);
  --contact-shadow: rgba(0, 0, 0, 0.34);
  --radius-plate: 10px;
  --radius-control: 6px;
  --press-depth: 2px;
  --motion-instant: 1ms;
  --motion-press: 80ms;
  --motion-release: 120ms;
  --motion-fast: 120ms;
  --motion-small: 160ms;
  --motion-normal: 200ms;
  --motion-enter: 260ms;
  --motion-exit: 180ms;
  --motion-guide: 1600ms;
  --ease-enter: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-mech: cubic-bezier(0.2, 0, 0, 1);
  --ease-exit: cubic-bezier(0.4, 0, 1, 1);
  --ease-press: cubic-bezier(0.2, 0.8, 0.2, 1);
}

/* ライトモード */
body[data-mode="light"] {
  --bg: #f4f2ec;
  --fg: #17191c;
  --sub: #64686c;
  --card: #faf9f5;
  --card-border: #d5d2c9;
  --line: #d5d2c9;
  --control-border: #858178;
  --danger: #ae4036;
  --plate: #faf9f5;
  --plate-edge: #d5d2c9;
  --plate-shadow: #c9c5bb;
  --btn-edge: #c9c5bb;
  --panel-shell: #ece9e1;
  --panel-key: #faf9f5;
  --panel-key-pressed: #e8e4da;
  --panel-seam: #d5d2c9;
  --panel-engraved: #686b6c;
  --edge-highlight: rgba(255, 255, 255, 0.86);
  --contact-shadow: rgba(35, 29, 18, 0.16);
}

/* アクセントカラー切り替え */
body[data-theme="amber"] {
  --accent: #b08a52;
  --accent2: #6f94a6;
}

body[data-theme="blue"] {
  --accent: #6f94a6;
  --accent2: #b08a52;
}

body[data-theme="pink"] {
  --accent: #c28194;
  --accent2: #6f94a6;
}

/* 明るい背景では、装飾色を同系色の濃い案内色にして文字のコントラストを保つ */
body[data-mode="light"][data-theme="amber"] {
  --accent: #76552b;
  --accent2: #315f78;
  --on-accent: #fffdf8;
}

body[data-mode="light"][data-theme="blue"] {
  --accent: #315f78;
  --accent2: #76552b;
  --on-accent: #fff;
}

body[data-mode="light"][data-theme="pink"] {
  --accent: #8c455e;
  --accent2: #315f78;
  --on-accent: #fff;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

body {
  background: var(--bg);
  color: var(--fg);
  font-family:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

body.sheet-open {
  overflow: hidden;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100%;
  display: flex;
  flex-direction: column;
  /* iPhoneのノッチ・ホームバーを避ける */
  padding-top: env(safe-area-inset-top);
  padding-bottom: env(safe-area-inset-bottom);
}

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 24px;
}

.hidden {
  display: none !important;
}

/* ---- 開始画面 (立体の駅名標が線路脇に立っている場面) ---- */
#start-screen {
  position: relative;
  overflow: hidden;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 22px;
}

/* 遠近を作るための視点。perspectiveが小さいほど強い立体感になる */
.hero {
  width: 100%;
  perspective: 760px;
  perspective-origin: 50% 42%;
}

.hero-stage {
  position: relative;
  height: 224px;
  transform-style: preserve-3d;
  /* 常時揺らさず、設置された瞬間だけわずかに収まる */
  transform: rotateX(7deg) rotateY(-3deg);
  animation: heroSettle 820ms var(--ease-mech) both;
}

@keyframes heroSettle {
  from {
    opacity: 0;
    transform: translate3d(0, 8px, -14px) rotateX(9deg) rotateY(-6deg);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0) rotateX(7deg) rotateY(-3deg);
  }
}

/* 地面を倒して奥へ伸びる線路にする。縦のレールが遠近で収束して見える */
.hero-ground {
  position: absolute;
  left: -70%;
  right: -70%;
  bottom: -6px;
  height: 320px;
  transform: rotateX(75deg);
  transform-origin: bottom center;
  /* レールは枕木より少し強く出して、奥へ収束する線として見えるようにする */
  background:
    linear-gradient(90deg,
      transparent 0 46%, color-mix(in srgb, var(--fg) 26%, transparent) 46% 47.1%,
      transparent 47.1% 52.9%, color-mix(in srgb, var(--fg) 26%, transparent) 52.9% 54%,
      transparent 54% 100%),
    repeating-linear-gradient(0deg,
      color-mix(in srgb, var(--fg) 13%, transparent) 0 4px, transparent 4px 30px);
  background-position: center bottom;
  /* 奥に行くほど霞ませて地平線を作り、左右は線路幅に収めて枕木が
     画面端まで伸びないようにする (2枚のマスクの重なりだけを残す) */
  mask-image:
    linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.6) 38%, transparent 84%),
    linear-gradient(90deg, transparent 32%, #000 43%, #000 57%, transparent 68%);
  mask-composite: intersect;
  -webkit-mask-image:
    linear-gradient(to top, #000 0%, rgba(0, 0, 0, 0.6) 38%, transparent 84%),
    linear-gradient(90deg, transparent 32%, #000 43%, #000 57%, transparent 68%);
  -webkit-mask-composite: source-in;
}

/* 駅名標の板。厚みは影を段階的に重ねて出す (ぼかしは使わない) */
.hero-sign {
  position: absolute;
  left: 50%;
  top: 6px;
  width: min(300px, 82%);
  transform: translateX(-50%) rotateY(-13deg) translateZ(26px);
  transform-style: preserve-3d;
}

.hero-sign-face {
  position: relative;
  padding: 20px 18px 16px;
  background: var(--plate);
  border: 1px solid var(--plate-edge);
  border-radius: 5px;
  overflow: hidden;
  /* 板の厚み → 側面 → 接地影、の順に重ねて実体に見せる */
  box-shadow:
    2px 2px 0 var(--plate-shadow),
    4px 4px 0 var(--plate-shadow),
    6px 6px 0 var(--plate-shadow),
    8px 8px 0 var(--plate-shadow),
    10px 10px 0 var(--plate-shadow),
    12px 12px 0 var(--plate-shadow),
    20px 26px 28px -12px rgba(0, 0, 0, 0.6);
}

/* 上端の路線カラー帯 (メイン画面の駅名標と揃える) */
.hero-stripe {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background: var(--accent);
}

.hero-mark {
  width: 26px;
  height: 26px;
  color: var(--fg);
  margin-bottom: 2px;
}

/* 支柱。板と同じ手法で厚みを付け、地面に立っているように見せる */
.hero-pole {
  position: absolute;
  left: 50%;
  top: 126px;
  width: 13px;
  height: 88px;
  transform: translateX(-50%) translateZ(14px);
  background: var(--plate);
  border: 1px solid var(--plate-edge);
  border-radius: 2px;
  box-shadow:
    2px 2px 0 var(--plate-shadow),
    4px 4px 0 var(--plate-shadow),
    6px 6px 0 var(--plate-shadow),
    14px 18px 20px -10px rgba(0, 0, 0, 0.55);
}

.logo {
  position: relative;
  font-size: 2.1rem;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--fg);
}

.wordmark-en {
  position: relative;
  font-size: 0.66rem;
  letter-spacing: 0.3em;
  color: var(--sub);
  text-transform: uppercase;
  margin-top: 3px;
}

.tagline {
  position: relative;
  color: var(--sub);
  line-height: 1.8;
}

/* 押し込める実体のあるボタン: 底面の色で厚みを出し、押すとその分だけ沈む */
.big-btn {
  font-size: 1.2rem;
  font-weight: 800;
  padding: 17px 36px;
  border: none;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--on-accent);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 24%, transparent),
    0 2px 0 color-mix(in srgb, var(--accent) 58%, #000),
    0 4px 0 color-mix(in srgb, var(--accent) 48%, #000);
  cursor: pointer;
  transform-origin: 50% 100%;
  transition:
    transform var(--motion-press) var(--ease-press),
    box-shadow var(--motion-press) var(--ease-press);
}

.big-btn:active {
  transform: perspective(520px) translate3d(0, var(--press-depth), 0) rotateX(2deg);
  box-shadow: inset 0 1px 0 color-mix(in srgb, #fff 18%, transparent);
}

/* 動きを減らす設定では揺れを止める (立体の見え方自体は残す) */
@media (prefers-reduced-motion: reduce) {
  .hero-stage {
    animation: none;
  }
}

.note {
  font-size: 0.78rem;
  color: var(--sub);
  line-height: 1.7;
}

/* ---- メイン画面 ---- */
.status-bar {
  display: grid;
  gap: 9px;
  margin-bottom: 18px;
}

/* 上段: 現在地フィードと乗車パスを、同じ機器の情報面として扱う */
.status-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(136px, 42%);
  align-items: stretch;
  gap: 10px;
  min-width: 0;
}

.system-readout {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  padding: 7px 8px 7px 12px;
  border-left: 3px solid var(--accent);
}

.system-readout::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  left: 12px;
  height: 1px;
  background: var(--line);
}

.system-code,
.console-caption,
.control-index,
.control-label,
.pass-kicker,
.pass-number {
  font-variant-numeric: tabular-nums;
  text-transform: uppercase;
}

.system-code {
  color: var(--panel-engraved);
  font-size: 0.52rem;
  font-weight: 800;
  letter-spacing: 0.18em;
}

/* GPS状態は操作ではなく計器。丸いバッジではなく小さな状態灯で示す */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
  overflow: hidden;
  color: var(--sub);
  font-size: 0.74rem;
  font-weight: 700;
  line-height: 1.3;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge::before {
  content: "";
  width: 5px;
  height: 11px;
  border: 1px solid color-mix(in srgb, currentColor 58%, transparent);
  border-radius: 1px;
  flex-shrink: 0;
  background: var(--sub);
}

.badge.ok::before {
  background: var(--accent);
}

.badge.warn::before {
  background: var(--danger);
}

.badge.warn {
  color: var(--danger);
}

/* プレミアムは広告ピルではなく、定期券を思わせる所有物のプレート */
.pass-btn {
  position: relative;
  min-width: 0;
  min-height: 56px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 9px;
  padding: 8px 9px 8px 12px;
  border: 1px solid var(--panel-seam);
  border-left: 4px solid var(--accent);
  border-radius: 4px;
  background: var(--panel-key);
  color: var(--fg);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 2px 0 var(--btn-edge),
    0 4px 9px -7px var(--contact-shadow);
  cursor: pointer;
  text-align: left;
  transform-origin: 50% 100%;
  transition:
    transform var(--motion-press) var(--ease-press),
    border-color var(--motion-fast) var(--ease-mech),
    background-color var(--motion-fast) var(--ease-mech);
}

.pass-btn:active {
  transform: translate3d(0, 2px, 0);
  background: var(--panel-key-pressed);
  box-shadow: inset 0 1px 0 var(--edge-highlight);
}

.pass-btn.is-member {
  border-left-color: var(--fg);
}

.pass-copy {
  min-width: 0;
  display: grid;
  gap: 3px;
}

.pass-kicker {
  overflow: hidden;
  color: var(--panel-engraved);
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#premium-btn-label {
  overflow: hidden;
  font-size: 0.78rem;
  font-weight: 850;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.pass-number {
  align-self: stretch;
  display: grid;
  place-items: center;
  padding-left: 8px;
  border-left: 1px solid var(--panel-seam);
  color: var(--accent);
  font-size: 0.5rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  writing-mode: vertical-rl;
}

.pass-btn.is-member .pass-number {
  color: var(--fg);
}

/* 下段: 4つの設定を、別々のアイコンではなく一枚の操作盤へ収める */
.status-console {
  padding: 7px;
  border: 1px solid var(--panel-seam);
  border-radius: 5px;
  background: var(--panel-shell);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 2px 0 var(--btn-edge),
    0 7px 12px -12px var(--contact-shadow);
}

.console-caption {
  display: flex;
  justify-content: space-between;
  padding: 0 2px 6px;
  color: var(--panel-engraved);
  font-size: 0.48rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.status-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--panel-seam);
  border-radius: 3px;
  background: var(--panel-seam);
}

.console-key {
  position: relative;
  min-width: 0;
  min-height: 59px;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 3px;
  padding: 14px 4px 7px;
  border: 0;
  border-radius: 0;
  background: var(--panel-key);
  color: var(--sub);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    inset 0 -2px 0 color-mix(in srgb, var(--btn-edge) 72%, transparent);
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

.console-key:active {
  z-index: 1;
  transform: translate3d(0, 2px, 0);
  background: var(--panel-key-pressed);
  box-shadow: inset 0 1px 0 var(--edge-highlight);
}

.console-key.active {
  color: var(--accent);
}

.control-index {
  position: absolute;
  top: 5px;
  left: 6px;
  color: var(--panel-engraved);
  font-size: 0.44rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.control-value {
  max-width: 100%;
  overflow: hidden;
  color: var(--fg);
  font-size: 0.69rem;
  font-weight: 900;
  letter-spacing: 0.06em;
  line-height: 1;
  text-overflow: ellipsis;
}

.control-label {
  color: var(--panel-engraved);
  font-size: 0.54rem;
  font-weight: 800;
  letter-spacing: 0.13em;
  line-height: 1;
}

.theme-swatch {
  width: 26px;
  height: 3px;
  border: 1px solid color-mix(in srgb, var(--accent) 58%, #000);
  border-radius: 1px;
  background: var(--accent);
}

.pilot-lamp {
  width: 7px;
  height: 7px;
  border: 1px solid var(--panel-engraved);
  border-radius: 50%;
  background: transparent;
}

.console-key[aria-pressed="true"] .pilot-lamp {
  border-color: var(--accent);
  background: var(--accent);
}

.console-key[aria-pressed="true"] .control-value {
  color: var(--accent);
}

.pass-btn:focus-visible {
  z-index: 2;
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.console-key:focus-visible {
  z-index: 2;
  outline: none;
  box-shadow:
    inset 0 0 0 2px var(--accent),
    inset 0 1px 0 var(--edge-highlight),
    inset 0 -2px 0 color-mix(in srgb, var(--btn-edge) 72%, transparent);
}

.text-btn {
  background: none;
  border: none;
  color: var(--sub);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.85rem;
  padding: 8px;
}

/* 駅名表示: 筐体ではなく、余白と面の差で現在地を静かに強調する */
.station-display {
  position: relative;
  display: flex;
  flex-direction: column;
  text-align: center;
  padding: 36px 20px 26px;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--plate) 96%, var(--accent) 4%),
      var(--plate) 44%
    );
  border: 1px solid var(--plate-edge);
  border-radius: 24px;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 1px 2px color-mix(in srgb, var(--contact-shadow) 20%, transparent),
    0 22px 46px -34px var(--contact-shadow);
  overflow: hidden;
  transform: none;
  font-feature-settings: "palt" 1;
}

.station-display::before {
  content: "";
  position: absolute;
  top: 18px;
  left: 50%;
  width: 34px;
  height: 4px;
  border-radius: 999px;
  background: var(--route-color, var(--accent));
  transform: translateX(-50%);
}

/* 実物の駅名標と同じ順序: ラベル → 駅名 → よみ → 隣の駅 → 路線 → 距離 */
.station-display .status-label { order: 1; }
.station-display .station-name { order: 2; }
.station-display .station-sub { order: 3; }
.station-display .prev-next { order: 4; }
.station-display .lines { order: 5; }
.station-display .distance { order: 6; }
.station-display .next-station { order: 7; }

.status-label {
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  color: var(--sub);
  margin-bottom: 12px;
}

.status-label.at-station {
  color: var(--accent);
}

/* 可読距離を保ちつつ、黒い塊に見えないウェイトへ抑える */
.station-name {
  position: relative;
  font-size: clamp(2.4rem, 13vw, 4rem);
  font-weight: 650;
  line-height: 1.14;
  letter-spacing: -0.015em;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.station-sub {
  font-size: 0.86rem;
  font-weight: 500;
  letter-spacing: 0.045em;
  color: var(--sub);
  margin-top: 8px;
  min-height: 1.2em;
}

.distance {
  margin-top: 14px;
  font-size: 0.9rem;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--accent2);
}

.nearby {
  margin-top: 26px;
}

.nearby:has(> .nearby-list:empty),
.history:has(> .nearby-list:empty) {
  display: none;
}

.nearby h3,
.history h3 {
  display: flex;
  align-items: center;
  font-size: 0.86rem;
  font-weight: 650;
  letter-spacing: 0.035em;
  color: var(--sub);
  margin: 0 0 12px 4px;
}

.nearby h3::after,
.history h3::after {
  display: none;
}

.nearby-list {
  list-style: none;
}

.nearby-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 8px;
  margin-bottom: 6px;
  font-size: 0.98rem;
  transition: background-color var(--motion-fast) var(--ease-mech);
}

.nearby-list .dist {
  color: var(--sub);
  font-size: 0.88rem;
  font-variant-numeric: tabular-nums;
}

/* 周辺駅と履歴は、個別カードの反復ではなく一枚のリスト面として見せる */
.nearby > .nearby-list,
.history > .nearby-list {
  overflow: hidden;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 20px;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 18px 36px -30px var(--contact-shadow);
}

.nearby > .nearby-list > li,
.history > .nearby-list > li {
  min-height: 60px;
  margin: 0;
  padding: 8px 8px 8px 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
  font-size: 1rem;
  font-weight: 500;
}

.nearby > .nearby-list > li + li,
.history > .nearby-list > li + li {
  border-top: 1px solid var(--line);
}

.nearby > .nearby-list > li > span:first-child,
.history > .nearby-list > li > span:first-child {
  font-weight: 600;
}

.nearby > .nearby-list .dist,
.history > .nearby-list .dist {
  font-size: 0.84rem;
  font-weight: 500;
}

.footer {
  margin-top: auto;
  padding-top: 24px;
  text-align: center;
}

.updated {
  font-size: 0.78rem;
  color: var(--sub);
}

.credit {
  font-size: 0.7rem;
  color: var(--sub);
  margin-top: 4px;
  opacity: 0.7;
}

.beta {
  font-size: 0.9rem;
  vertical-align: super;
  color: var(--accent2);
  margin-left: 4px;
}

.policy-link {
  color: var(--accent2);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 16px;
  font-size: 0.78rem;
  margin-top: 6px;
}

.footer-links a {
  color: var(--sub);
}

.link-btn {
  background: none;
  border: none;
  color: var(--sub);
  text-decoration: underline;
  cursor: pointer;
  font-size: 0.78rem;
  padding: 0;
}

/* 駅名が切り替わった瞬間に、案内板が落ち着くような短い動きを返す */
.station-name.pulse,
.r-station.pulse {
  animation: stationSettle var(--motion-fast) var(--ease-mech);
}

@keyframes stationSettle {
  from {
    transform: translate3d(0, -2px, 0) scale(0.985);
  }
  to {
    transform: translate3d(0, 0, 0) scale(1);
  }
}

/* ---- 乗車路線の自動推定チップ ---- */
.ride-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
  padding: 8px 14px;
  background: var(--card);
  border: 1px solid var(--accent);
  border-radius: 999px;
  font-size: 0.85rem;
  color: var(--accent);
}

.ride-chip .text-btn {
  padding: 0 4px;
}

/* ---- 前の駅・次の駅 / 路線タグ ---- */
/* 隣の駅は罫線で区切らず、余白だけで情報の段を作る */
.prev-next {
  font-size: 0.85rem;
  color: var(--sub);
  min-height: 1.2em;
  margin-top: 14px;
  padding-top: 0;
  border-top: 0;
}

.prev-next:empty {
  display: none;
}

.lines {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 14px;
  margin-top: 10px;
  min-height: 1em;
}

/* 路線タグは枠を持たせず、路線色の点と名称だけで示す */
.line-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 2px 0;
  border: 0;
  border-radius: 0;
  color: var(--sub);
  font-size: 0.74rem;
  font-weight: 500;
}

.line-chip::before {
  content: "";
  width: 7px;
  height: 7px;
  flex: 0 0 7px;
  border-radius: 50%;
  background: var(--chip-color, var(--accent2));
}

/* ---- 目的地ピッカー ---- */
.search-input {
  background: color-mix(in srgb, var(--card) 90%, var(--bg));
  color: var(--fg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 13px 16px;
  font-size: 1rem;
  min-height: 48px;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 12px 28px -26px var(--contact-shadow);
  transition:
    border-color var(--motion-fast) var(--ease-mech),
    background-color var(--motion-fast) var(--ease-mech),
    box-shadow var(--motion-fast) var(--ease-mech);
}

.search-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 0 0 2px color-mix(in srgb, var(--accent) 28%, transparent),
    0 14px 30px -26px var(--contact-shadow);
}

.search-input::placeholder {
  color: var(--sub);
}

.dest-list {
  overflow: visible;
  max-height: none;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  background: color-mix(in srgb, var(--card) 96%, var(--plate));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 18px 38px -34px var(--contact-shadow);
  overflow: hidden;
}

.dest-list > li {
  min-height: 56px;
  margin: 0;
  padding: 12px 16px;
  border: 0;
  border-radius: 0;
  background: transparent;
}

.dest-list > li + li {
  border-top: 1px solid var(--line);
}

.dest-list .dist {
  max-width: 52%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  text-align: right;
}

.dest-item {
  cursor: pointer;
  transition: background-color var(--motion-fast) var(--ease-mech);
}

.dest-item:active {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.api-credit {
  font-size: 0.72rem;
  color: var(--sub);
  text-align: center;
  padding-top: 4px;
  opacity: 0.8;
}

/* 駅の乗り方ガイド */
.guide-ask {
  font-size: 0.85rem;
  color: var(--sub);
  margin: 6px 0 10px;
}

.guide-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.chip-btn {
  border: 1px solid var(--card-border);
  background: var(--card);
  color: inherit;
  border-radius: var(--radius-control);
  padding: 9px 12px;
  min-height: 44px;
  font-size: 0.9rem;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--plate-shadow);
}

.chip-btn.active {
  border-color: var(--accent);
  color: var(--accent);
  background: color-mix(in srgb, var(--accent) 12%, var(--card));
  box-shadow: 0 2px 0 color-mix(in srgb, var(--accent) 55%, var(--plate-shadow));
}

.guide-sec h3 {
  font-size: 1rem;
  margin: 16px 0 6px;
}

.guide-sec .feature-list li {
  font-size: 0.88rem;
  line-height: 1.55;
}

/* ---- 路線図ピッカー ---- */
#dest-intro {
  margin: -2px 2px 0;
  color: var(--sub);
  font-size: 0.82rem;
  line-height: 1.5;
}

.dest-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  padding: 3px;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--bg) 42%, var(--card));
  box-shadow: inset 0 1px 0 var(--edge-highlight);
}

.tab-btn {
  position: relative;
  min-width: 0;
  padding: 10px 4px 12px;
  min-height: 44px;
  border-radius: 15px;
  border: 0;
  background: transparent;
  color: var(--sub);
  cursor: pointer;
  font-size: clamp(0.72rem, 3.2vw, 0.88rem);
  line-height: 1.2;
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

.tab-btn::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 5px;
  width: 22px;
  height: 2px;
  border-radius: 999px;
  background: var(--accent);
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform var(--motion-fast) var(--ease-mech);
}

.tab-btn .ic {
  width: 1.1em;
  height: 1.1em;
}

.tab-btn > span {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tab-btn.active {
  color: var(--accent);
  font-weight: 700;
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.tab-btn.active::after {
  transform: translateX(-50%) scaleX(1);
}

#dest-search-view,
#dest-lines-view,
#dest-stations-view,
#dest-map-view {
  display: flex;
  flex-direction: column;
  gap: 12px;
  min-height: 0;
  padding-bottom: 18px;
}

#dest-map-view {
  flex: 0 0 auto;
  min-height: auto;
}

.line-dot {
  width: 4px;
  height: 22px;
  border-radius: 2px;
  display: inline-block;
  margin-right: 10px;
  vertical-align: -6px;
}

.line-title {
  padding-left: 10px;
  border-left: 4px solid var(--accent);
  color: var(--fg);
  font-weight: 800;
  font-size: 1.05rem;
}

.route-list {
  list-style: none;
  overflow: visible;
  max-height: none;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  background: color-mix(in srgb, var(--card) 96%, var(--plate));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 18px 38px -34px var(--contact-shadow);
  overflow: hidden;
}

.route-list li {
  position: relative;
  padding: 13px 12px 13px 42px;
  cursor: pointer;
  font-size: 1rem;
  min-height: 56px;
  transition: background-color var(--motion-fast) var(--ease-mech);
}

.route-list li + li {
  border-top: 1px solid var(--line);
}

/* 路線図風の縦ライン */
.route-list li::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 0;
  bottom: 0;
  width: 3px;
  border-radius: 999px;
  background: var(--route-color, var(--accent2));
}

.route-list li:first-child::before {
  top: 50%;
}

.route-list li:last-child::before {
  bottom: 50%;
}

/* 駅の丸 */
.route-list li::after {
  content: "";
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--card);
  border: 2.5px solid var(--route-color, var(--accent2));
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech);
}

.route-list .kana {
  color: var(--sub);
  font-size: 0.75rem;
  margin-left: 10px;
}

/* ---- 路線図マップ: 外部画像を使わず、路線色と控えめな方眼で構成する ---- */
.dest-map-toolbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

.dest-map-status,
#dest-map-status {
  min-width: 0;
  flex: 1;
  color: var(--sub);
  font-size: 0.8rem;
  line-height: 1.45;
}

.dest-map-locate,
#dest-map-locate {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  min-width: 44px;
  min-height: 44px;
  padding: 9px 12px;
  border: 1px solid var(--card-border);
  border-radius: 15px;
  background: color-mix(in srgb, var(--card) 92%, var(--accent) 8%);
  color: var(--fg);
  text-decoration: none;
  font: inherit;
  font-size: 0.82rem;
  font-weight: 650;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 12px 24px -24px var(--contact-shadow);
  transition:
    transform var(--motion-press) var(--ease-press),
    border-color var(--motion-fast) var(--ease-mech),
    background-color var(--motion-fast) var(--ease-mech);
}

.dest-map-locate:hover,
.dest-map-locate:focus-visible,
#dest-map-locate:hover,
#dest-map-locate:focus-visible {
  border-color: color-mix(in srgb, var(--accent) 48%, var(--card-border));
  background: color-mix(in srgb, var(--card) 86%, var(--accent) 14%);
}

.dest-map-locate:active,
#dest-map-locate:active {
  transform: translate3d(0, 1px, 0) scale(0.98);
}

.dest-map-stage,
#dest-map-stage {
  position: relative;
  isolation: isolate;
  flex: 0 0 auto;
  width: min(100%, 390px);
  height: auto;
  aspect-ratio: 1;
  align-self: center;
  overflow: hidden;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
  border: 1px solid var(--card-border);
  border-radius: 20px;
  background-color: color-mix(in srgb, var(--card) 82%, var(--bg));
  background-image:
    linear-gradient(
      color-mix(in srgb, var(--line) 58%, transparent) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--line) 58%, transparent) 1px,
      transparent 1px
    );
  background-size: 30px 30px;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    inset 0 -18px 34px -34px var(--contact-shadow),
    0 20px 42px -36px var(--contact-shadow);
}

#dest-map-stage::after {
  content: "N";
  position: absolute;
  top: 12px;
  left: 12px;
  z-index: 2;
  display: grid;
  width: 25px;
  height: 25px;
  place-items: center;
  border: 1px solid var(--card-border);
  border-radius: 50%;
  background: color-mix(in srgb, var(--card) 92%, transparent);
  color: var(--sub);
  font-size: 0.62rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  pointer-events: none;
}

.dest-map-svg,
#dest-map-svg {
  display: block;
  width: 100%;
  height: 100%;
  overflow: visible;
}

.dest-map-content,
#dest-map-content {
  transform-origin: 0 0;
  will-change: transform;
}

.dest-map-ground {
  fill: transparent;
}

.dest-map-route,
.dest-map-line {
  fill: none;
  stroke-width: 3;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  opacity: 0.56;
}

.dest-map-route {
  stroke: var(--route-color, var(--accent));
}

.dest-map-node {
  color: var(--fg);
  cursor: pointer;
  pointer-events: all;
  outline: none;
}

.dest-map-hit {
  fill: transparent;
  stroke: transparent;
  pointer-events: all;
}

.dest-map-dot,
circle.dest-map-node,
g.dest-map-node > circle:last-of-type:not(.dest-map-hit) {
  fill: var(--card);
  stroke: color-mix(in srgb, var(--route-color, var(--accent)) 72%, var(--fg));
  stroke-width: 2.5;
  vector-effect: non-scaling-stroke;
  transition:
    r var(--motion-fast) var(--ease-mech),
    fill var(--motion-fast) var(--ease-mech),
    stroke var(--motion-fast) var(--ease-mech),
    stroke-width var(--motion-fast) var(--ease-mech);
}

.dest-map-node.selected .dest-map-dot,
.dest-map-node.is-selected .dest-map-dot,
.dest-map-node[aria-selected="true"] .dest-map-dot,
.dest-map-node.selected > circle:last-of-type:not(.dest-map-hit),
.dest-map-node.is-selected > circle:last-of-type:not(.dest-map-hit),
.dest-map-node[aria-selected="true"] > circle:last-of-type:not(.dest-map-hit),
circle.dest-map-node.selected,
circle.dest-map-node.is-selected,
circle.dest-map-node[aria-selected="true"] {
  fill: var(--accent);
  stroke: var(--card);
  stroke-width: 4;
}

.dest-map-node:focus-visible .dest-map-dot,
.dest-map-node:focus-visible > circle:last-of-type:not(.dest-map-hit),
circle.dest-map-node:focus-visible {
  stroke: var(--accent2);
  stroke-width: 5;
}

button.dest-map-node {
  position: absolute;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: transparent;
  transform: translate(-50%, -50%);
}

button.dest-map-node::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 10px;
  height: 10px;
  border: 3px solid var(--route-color, var(--accent));
  border-radius: 50%;
  background: var(--card);
  transform: translate(-50%, -50%);
  transition:
    width var(--motion-fast) var(--ease-mech),
    height var(--motion-fast) var(--ease-mech),
    border-color var(--motion-fast) var(--ease-mech),
    background-color var(--motion-fast) var(--ease-mech);
}

button.dest-map-node.selected::after,
button.dest-map-node[aria-selected="true"]::after {
  width: 14px;
  height: 14px;
  border-color: var(--card);
  background: var(--accent);
}

button.dest-map-node:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: -4px;
}

.dest-map-node-label,
.dest-map-label {
  fill: var(--fg);
  color: var(--fg);
  font-size: 38px;
  font-weight: 650;
  paint-order: stroke;
  stroke: color-mix(in srgb, var(--card) 92%, transparent);
  stroke-width: 3px;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  pointer-events: none;
  user-select: none;
}

.dest-map-current {
  color: var(--accent2);
  pointer-events: none;
}

.dest-map-current-ring {
  fill: color-mix(in srgb, var(--accent2) 12%, transparent);
  stroke: color-mix(in srgb, var(--accent2) 68%, var(--card));
  stroke-width: 2;
  vector-effect: non-scaling-stroke;
}

.dest-map-current-dot,
circle.dest-map-current {
  fill: var(--accent2);
  stroke: var(--card);
  stroke-width: 3;
  vector-effect: non-scaling-stroke;
}

.dest-map-zoom {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 2;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--card-border);
  border-radius: 15px;
  background: var(--card);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 14px 28px -22px var(--contact-shadow);
}

.dest-map-zoom button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 1.2rem;
  font-weight: 600;
  cursor: pointer;
  transition:
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

.dest-map-zoom button + button {
  border-top: 1px solid var(--line);
}

.dest-map-zoom button:hover,
.dest-map-zoom button:focus-visible {
  background: color-mix(in srgb, var(--accent) 10%, var(--card));
  color: var(--accent);
}

.dest-map-zoom button:active {
  background: color-mix(in srgb, var(--accent) 16%, var(--card));
}

.dest-map-hint,
#dest-map-hint {
  color: var(--sub);
  font-size: 0.74rem;
  line-height: 1.5;
  text-align: center;
}

.mode-btn.secondary {
  background: var(--card);
  color: var(--fg);
  margin-top: 12px;
}

/* ---- 主要操作: 硬い操作盤ではなく、面と余白で押せる場所を示す ---- */
.mode-btn {
  position: relative;
  margin-top: 22px;
  width: 100%;
  min-height: 72px;
  justify-content: flex-start;
  padding: 16px 18px;
  font-size: 1.05rem;
  font-weight: 650;
  font-feature-settings: "palt" 1;
  border: 1px solid var(--card-border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--card) 92%, var(--accent) 8%);
  color: var(--fg);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 1px 2px color-mix(in srgb, var(--contact-shadow) 18%, transparent),
    0 14px 30px -26px var(--contact-shadow);
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-press),
    box-shadow var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech);
}

.mode-btn .ic {
  width: 36px;
  height: 36px;
  padding: 9px;
  border: 0;
  border-radius: 50%;
  background: color-mix(in srgb, var(--accent) 13%, transparent);
  color: var(--accent);
  box-shadow: none;
}

.mode-btn.secondary .ic {
  background: color-mix(in srgb, var(--accent2) 11%, transparent);
  color: var(--accent2);
}

.mode-btn:active {
  transform: translate3d(0, 1px, 0) scale(0.99);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 8px 18px -18px var(--contact-shadow);
}

/* 目的地は一枚の主操作面、車内・ガイドはその下の二次操作として整理する */
#dest-btn.destination-action {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  width: 100%;
  min-height: 94px;
  margin-top: 22px;
  padding: 18px 20px;
  gap: 15px;
  border: 1px solid color-mix(in srgb, var(--accent) 22%, var(--card-border));
  border-radius: 22px;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--card) 84%, var(--accent) 16%),
      color-mix(in srgb, var(--card) 96%, var(--accent) 4%)
    );
  color: var(--fg);
  font: inherit;
  font-feature-settings: "palt" 1;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 2px 4px color-mix(in srgb, var(--contact-shadow) 16%, transparent),
    0 24px 48px -38px var(--contact-shadow);
  transition:
    transform var(--motion-press) var(--ease-press),
    box-shadow var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech);
}

#dest-btn.destination-action .ic {
  width: 44px;
  height: 44px;
  padding: 11px;
  background: color-mix(in srgb, var(--accent) 16%, transparent);
}

.destination-action .action-copy {
  display: flex;
  min-width: 0;
  flex: 1;
  flex-direction: column;
  align-items: flex-start;
  gap: 3px;
  text-align: left;
  white-space: normal;
}

.destination-action .action-title,
#dest-btn-label {
  display: block;
  color: var(--fg);
  font-size: 1.06rem;
  font-weight: 720;
  line-height: 1.3;
}

.destination-action .action-hint,
#dest-btn-hint {
  display: block;
  color: var(--sub);
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1.45;
}

#dest-btn.destination-action:active {
  transform: translate3d(0, 1px, 0) scale(0.99);
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 10px 22px -22px var(--contact-shadow);
}

/* ---- 車内モード (全画面・特大表示) ---- */
.riding {
  position: fixed;
  inset: 0;
  z-index: 40;
  /* OLEDで消費電力を抑えるため純黒 (テーマ・アクセントに関わらず固定) */
  background: #000;
  color: #f3efe6;
  --fg: #f3efe6;
  --sub: #a8a9b2;
  --on-accent: #151007;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  gap: 14px;
  padding: 24px;
  padding-top: calc(24px + env(safe-area-inset-top));
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  overflow: hidden;
}

/* ライトモードの濃い案内色を純黒画面へ持ち込まず、発光させずに視認性を戻す */
body[data-theme="amber"] .riding,
body[data-theme="amber"] .alert-overlay {
  --accent: #ffb020;
  --accent2: #ff6b4a;
  --on-accent: #151007;
}

body[data-theme="blue"] .riding,
body[data-theme="blue"] .alert-overlay {
  --accent: #4fc3f7;
  --accent2: #ffb020;
  --on-accent: #151007;
}

body[data-theme="pink"] .riding,
body[data-theme="pink"] .alert-overlay {
  --accent: #ff6fa5;
  --accent2: #4fc3f7;
  --on-accent: #151007;
}

/* 車内のLED表示器のように、上下を路線カラーの帯で挟む (ぼかしは使わない) */
.riding::before,
.riding::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 6px;
  background: var(--route-color, var(--accent));
  pointer-events: none;
}

.riding::before {
  top: calc(env(safe-area-inset-top) + 52px);
}

.riding::after {
  bottom: calc(env(safe-area-inset-bottom) + 52px);
}

.riding > * {
  position: relative;
}

.r-clock {
  position: absolute;
  top: calc(20px + env(safe-area-inset-top));
  font-size: 1.3rem;
  color: var(--sub);
  font-variant-numeric: tabular-nums;
}

.r-station {
  font-size: clamp(3rem, 19vw, 6.5rem);
  font-weight: 800;
  line-height: 1.15;
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.r-dist {
  font-size: 1.4rem;
  color: var(--accent2);
  min-height: 1.4em;
}

.r-next {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--accent);
  min-height: 1.5em;
}

.r-alert {
  font-size: 1rem;
  color: var(--sub);
  min-height: 1.2em;
}

.r-hint {
  position: absolute;
  z-index: 1;
  bottom: calc(20px + env(safe-area-inset-bottom));
  min-height: 44px;
  padding: 8px 14px;
  border: 1px solid #4b4d55;
  border-radius: var(--radius-control);
  background: #111216;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--fg);
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-press),
    border-color var(--motion-fast) var(--ease-mech);
}

.r-hint:hover,
.r-hint:focus-visible {
  border-color: var(--accent);
}

.r-hint:active {
  transform: translate3d(0, 2px, 0);
}

/* ---- 路線絞り込み ---- */
.line-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  font-size: 0.85rem;
  color: var(--sub);
}

.line-filter label {
  flex-shrink: 0;
  white-space: nowrap;
}

.line-filter select {
  flex: 1;
  /* flexアイテムの既定 min-width:auto だと中身の幅で押し広げられ画面外に出るため */
  min-width: 0;
  /* OS既定の見た目だと端末ごとに崩れるので、矢印まで自前で描く */
  appearance: none;
  -webkit-appearance: none;
  background-color: var(--card);
  background-image:
    linear-gradient(45deg, transparent 50%, var(--sub) 50%),
    linear-gradient(135deg, var(--sub) 50%, transparent 50%);
  background-position: right 15px center, right 10px center;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  color: var(--fg);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 30px 10px 12px;
  font-size: 0.92rem;
}

/* ---- 次の駅予測 ---- */
.next-station {
  margin-top: 14px;
  font-size: 1.05rem;
  color: var(--accent);
  font-weight: 700;
}

/* ---- 降車アラート ---- */
.alert-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 6px 4px 0;
  padding: 8px 2px 0;
  background: transparent;
  border: 0;
  border-top: 1px solid var(--line);
  border-radius: 0;
  color: var(--sub);
  font-size: 0.78rem;
}

.hint {
  font-weight: 400;
  font-size: 0.75rem;
  opacity: 0.8;
}

.item-right {
  display: flex;
  align-items: center;
  gap: 10px;
}

.bell-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  flex: 0 0 44px;
  background: transparent;
  border: 0;
  border-radius: 50%;
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech);
}

.alert-overlay {
  position: fixed;
  inset: 0;
  overflow: hidden;
  /* 車内モードと同じ黒基調。アクセント色のリングパルスで気づかせる */
  background: #000;
  color: #f3efe6;
  --fg: #f3efe6;
  --sub: #a8a9b2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  text-align: center;
  z-index: 100;
}

/* 警告色は点滅させず、静止した上下線で状態を伝える */
.alert-overlay::before,
.alert-overlay::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 14px;
  background: var(--accent);
  animation: none;
  pointer-events: none;
}

.alert-overlay::before {
  top: 0;
}

.alert-overlay::after {
  bottom: 0;
  animation-delay: 0.5s;
}

@keyframes barBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0.15; }
}

.alert-overlay > * {
  position: relative;
}

.alert-title {
  font-size: 1.4rem;
  font-weight: 700;
  color: var(--accent);
}

.alert-station-name {
  font-size: clamp(2.4rem, 14vw, 4.2rem);
  font-weight: 900;
}

.alert-ticket-hint {
  font-size: 1rem;
  color: var(--sub);
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 999px;
  padding: 8px 18px;
}

/* ---- 乗車履歴 ---- */
.history {
  margin-top: 24px;
}

.history h3 {
  font-size: 0.9rem;
  color: var(--sub);
  margin-bottom: 8px;
}

/* ---- 広告枠 (無料プラン) ---- */
.ad-slot {
  margin-top: 24px;
  padding: 18px 16px;
  text-align: center;
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 14px 28px -26px var(--contact-shadow);
  color: var(--sub);
  font-size: 0.8rem;
}

/* ---- モーダル ---- */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.55);
  display: flex;
  justify-content: center;
  align-items: flex-end;
  z-index: 50;
  animation: backdropIn var(--motion-fast) linear both;
}

@keyframes backdropIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal {
  background: var(--card);
  border: 1px solid var(--card-border);
  border-radius: 10px 10px 0 0;
  /* 上端の余白はヘッダー側で持つ (ヘッダーを画面上端に張り付かせるため) */
  padding: 0 20px calc(26px + env(safe-area-inset-bottom));
  max-width: 480px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: min(88vh, calc(100dvh - 36px));
  overflow-y: auto;
  overflow-x: hidden;
  overscroll-behavior: contain;
  transform-origin: 50% 100%;
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 -2px 0 color-mix(in srgb, var(--plate-shadow) 78%, transparent),
    0 -16px 32px -24px var(--contact-shadow);
  animation: sheetDock var(--motion-enter) var(--ease-mech) both;
}

#dest-modal .modal,
.dest-modal-panel {
  max-height: 94vh;
  max-height: 94dvh;
  padding-bottom: 0;
  border-radius: 26px 26px 0 0;
  background: color-mix(in srgb, var(--card) 97%, var(--plate));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 -1px 0 color-mix(in srgb, var(--card-border) 72%, transparent),
    0 -24px 56px -42px var(--contact-shadow);
}

#dest-modal .modal-header-row,
.dest-modal-panel .modal-header-row {
  padding-top: 24px;
  background: color-mix(in srgb, var(--card) 97%, var(--plate));
}

#dest-selection,
.dest-selection {
  position: sticky;
  bottom: 0;
  z-index: 4;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  column-gap: 12px;
  row-gap: 2px;
  margin: auto -20px 0;
  padding: 14px 20px calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--card-border);
  background: color-mix(in srgb, var(--card) 95%, var(--plate));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 -16px 32px -30px var(--contact-shadow);
}

#dest-selection > *,
.dest-selection > * {
  min-width: 0;
}

#dest-selection strong,
.dest-selection strong {
  display: block;
  overflow: hidden;
  color: var(--fg);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#dest-selection p,
.dest-selection p {
  overflow: hidden;
  color: var(--sub);
  font-size: 0.74rem;
  line-height: 1.45;
  text-overflow: ellipsis;
  white-space: nowrap;
}

#dest-selection-name {
  grid-column: 1;
  grid-row: 1;
  color: var(--fg);
  font-size: 0.94rem;
  font-weight: 700;
}

#dest-selection-sub {
  grid-column: 1;
  grid-row: 2;
}

#dest-selection-meta {
  grid-column: 1;
  grid-row: 3;
}

#dest-confirm {
  grid-column: 2;
  grid-row: 1 / 4;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 112px;
  min-height: 48px;
  padding: 11px 17px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: var(--on-accent);
  font: inherit;
  font-size: 0.9rem;
  font-weight: 750;
  cursor: pointer;
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 28%, transparent),
    0 14px 28px -22px color-mix(in srgb, var(--accent) 48%, var(--contact-shadow));
  transition:
    transform var(--motion-press) var(--ease-press),
    box-shadow var(--motion-press) var(--ease-press),
    opacity var(--motion-fast) var(--ease-mech);
}

#dest-confirm:active {
  transform: translate3d(0, 1px, 0) scale(0.98);
  box-shadow:
    inset 0 1px 0 color-mix(in srgb, #fff 20%, transparent),
    0 8px 18px -18px color-mix(in srgb, var(--accent) 44%, var(--contact-shadow));
}

#dest-confirm:disabled {
  cursor: not-allowed;
  opacity: 0.46;
  box-shadow: none;
}

.modal-overlay.is-closing {
  pointer-events: none;
  animation: backdropOut var(--motion-exit) linear both;
}

.modal-overlay.is-closing .modal {
  animation: sheetUndock var(--motion-exit) var(--ease-press) both;
}

/* 中身をスクロールしても閉じるボタンが隠れないよう、ヘッダーを常に上端に固定する */
.modal-header-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 2;
  /* 横は板の端まで背景を伸ばし、下に流れる内容を隠す */
  margin: 0 -20px;
  padding: 20px 20px 12px;
  background: var(--card);
  border-bottom: 1px solid var(--card-border);
}

/* ボトムシートのつまみ (ヘッダー内に置くことで一緒に固定される) */
.modal-header-row::before {
  content: "";
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 36px;
  height: 4px;
  border-radius: 99px;
  background: var(--sub);
  opacity: 0.32;
}

@keyframes sheetDock {
  from {
    opacity: 0.98;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes sheetUndock {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(16px);
  }
}

@keyframes backdropOut {
  from { opacity: 1; }
  to { opacity: 0; }
}

.feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-size: 0.92rem;
  line-height: 1.6;
}

#paywall .feature-list {
  gap: 0;
  padding: 2px 14px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--plate) 74%, var(--card));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 2px 0 var(--plate-shadow);
}

#paywall .feature-list li {
  padding: 11px 0;
}

#paywall .feature-list li + li {
  border-top: 1px solid var(--line);
}

.price {
  text-align: left;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent);
  padding: 12px 14px;
  border: 1px solid var(--card-border);
  border-left: 4px solid var(--accent);
  border-radius: var(--radius-plate);
  background: var(--bg);
  font-variant-numeric: tabular-nums;
}

.price-sub {
  display: block;
  margin-top: 2px;
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--sub);
}

#paywall .big-btn {
  width: 100%;
}

.error-banner.success {
  background: var(--accent);
  color: var(--on-accent);
}

.error-banner {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%);
  width: calc(100% - 32px);
  max-width: 448px;
  background: var(--danger);
  color: #fff;
  padding: 14px 16px;
  border-radius: var(--radius-control);
  font-size: 0.9rem;
  line-height: 1.6;
}

/* =====================================================================
   アイコン (絵文字をやめ、線幅を揃えた自前SVGに統一)
   ===================================================================== */
#icon-sprite {
  display: none;
}

.ic {
  width: 1.25em;
  height: 1.25em;
  flex-shrink: 0;
  color: currentColor;
}

.ic-sm {
  width: 1em;
  height: 1em;
  opacity: 0.75;
  margin-right: 6px;
  vertical-align: -0.15em;
}

/* アイコンとラベルを横に並べるボタン */
.mode-btn,
.chip-btn,
.tab-btn,
.alert-title {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.mode-btn {
  display: flex;
  justify-content: flex-start;
}

/* 主要動作は縦積み、副次動作は横2列に並べて縦の圧迫を減らす */
.mode-row {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.mode-row .mode-btn {
  margin-top: 10px;
}

.mode-row .mode-btn {
  min-width: 0;
  min-height: 68px;
  padding: 13px 12px;
  gap: 8px;
  border-radius: 18px;
  font-size: 0.86rem;
}

.mode-row .mode-btn .ic {
  width: 34px;
  height: 34px;
}

.mode-row .mode-btn > span {
  min-width: 0;
  line-height: 1.25;
  text-align: left;
  white-space: normal;
}

/* アイコンだけのボタン (閉じる・解除) */
.icon-only-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: transparent;
  color: var(--sub);
  cursor: pointer;
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech),
    border-color var(--motion-fast) var(--ease-mech);
}

.icon-only-btn:active {
  background: var(--card);
  transform: translate3d(0, 1px, 0);
}

.bell-btn .ic {
  width: 1.35em;
  height: 1.35em;
  color: var(--sub);
}

.bell-btn.on .ic {
  color: var(--accent);
}

.bell-btn.on {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.bell-btn:active {
  transform: scale(0.94);
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.feature-list .ic {
  color: var(--accent);
  margin-top: 2px;
}

.line-filter .ic {
  color: var(--sub);
}

/* スクリーンリーダー専用 (ラベルは視覚的にはアイコンで代替) */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* =====================================================================
   乗り方ガイドの図解 (文章を読ませず、動きで理解させる)
   ===================================================================== */
.guide-sec {
  position: relative;
  margin-top: 12px;
  padding: 0 12px 14px;
  border: 1px solid var(--card-border);
  border-radius: var(--radius-plate);
  background: color-mix(in srgb, var(--plate) 74%, var(--card));
  box-shadow:
    inset 0 1px 0 var(--edge-highlight),
    0 2px 0 var(--plate-shadow);
  overflow: hidden;
}

.guide-sec::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 4px;
  background: var(--accent);
}

.guide-sec h3 {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1rem;
  margin: 0 -12px 10px;
  padding: 13px 12px 10px 16px;
  border-bottom: 1px solid var(--line);
}

.guide-sec h3 .ic {
  color: var(--accent);
}

.scene {
  background: var(--bg);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-control);
  padding: 10px;
  margin-bottom: 10px;
  box-shadow:
    inset 0 2px 0 color-mix(in srgb, var(--contact-shadow) 34%, transparent),
    inset 0 -1px 0 var(--edge-highlight);
}

.scene svg {
  display: block;
  width: 100%;
  height: auto;
}

/* 図の共通パーツ */
.sc-body {
  fill: color-mix(in srgb, var(--fg) 12%, transparent);
  stroke: var(--card-border);
  stroke-width: 1.5;
}

.sc-window {
  fill: color-mix(in srgb, var(--fg) 8%, transparent);
  stroke: var(--card-border);
  stroke-width: 1.5;
}

.sc-slot {
  fill: var(--bg);
}

.sc-flap {
  fill: color-mix(in srgb, var(--accent) 34%, transparent);
  stroke: var(--accent);
  stroke-width: 1.5;
}

.sc-dev {
  fill: var(--plate);
  stroke: var(--fg);
  stroke-width: 1.6;
}

/* QRの読み取り面は実物と同じ「黒いガラスの窓」 */
.sc-reader {
  fill: #12141a;
  stroke: color-mix(in srgb, var(--fg) 35%, transparent);
  stroke-width: 1.4;
}

/* ICの読み取り部は実物が青く光るので、テーマ色ではなく青で固定する */
.sc-pad {
  fill: #2f80d2;
  opacity: 0.92;
}

.sc-qr rect {
  fill: none;
  stroke: var(--fg);
  stroke-width: 1.4;
}

.sc-qr-dots rect {
  fill: var(--fg);
  stroke: none;
}

.sc-chip {
  fill: var(--accent);
  stroke: none;
}

.sc-fill {
  fill: color-mix(in srgb, var(--fg) 45%, transparent);
}

.sc-passline {
  fill: none;
  stroke: var(--fg);
  stroke-width: 1.6;
  stroke-linecap: round;
  opacity: 0.65;
}

.sc-ping {
  fill: none;
  stroke: var(--accent2);
  stroke-width: 2;
  opacity: 0;
  transform-box: fill-box;
  transform-origin: center;
}

.sc-lineA {
  fill: none;
  stroke: var(--accent);
  stroke-width: 5;
  stroke-linecap: round;
}

.sc-lineB {
  fill: none;
  stroke: var(--accent2);
  stroke-width: 5;
  stroke-linecap: round;
}

.sc-dotA {
  fill: var(--plate);
  stroke: var(--accent);
  stroke-width: 3;
}

.sc-dotB {
  fill: var(--plate);
  stroke: var(--accent2);
  stroke-width: 3;
}

.sc-mover {
  fill: var(--fg);
}

/* --- 図解はガイドを開いたときだけ1回再生する --- */
.sc-flap-l,
.sc-flap-r {
  transform-box: fill-box;
}

.sc-flap-l {
  transform-origin: left center;
}

.sc-flap-r {
  transform-origin: right center;
}

.guide-animating .sc-phone { animation: scTapDown var(--motion-guide) ease-in-out 1 both; }
.guide-animating .sc-card { animation: scTapDown var(--motion-guide) ease-in-out 1 both; }
.guide-animating .sc-flap-l { animation: scFlapL var(--motion-guide) ease-in-out 1 both; }
.guide-animating .sc-flap-r { animation: scFlapR var(--motion-guide) ease-in-out 1 both; }
.guide-animating .sc-ping { animation: scPing var(--motion-guide) ease-out 1 both; }
.guide-animating .sc-tk-in { animation: scTicketIn var(--motion-guide) ease-in-out 1; }
.guide-animating .sc-tk-out { animation: scTicketOut var(--motion-guide) ease-in-out 1; }
.guide-animating .sc-fare-in { animation: scFareIn var(--motion-guide) ease-in-out 1; }
.guide-animating .sc-fare-out { animation: scFareOut var(--motion-guide) ease-in-out 1; }
.guide-animating .sc-pass { animation: scShow var(--motion-guide) ease-in-out 1; }
.guide-animating .sc-mover { animation: scTransfer var(--motion-guide) ease-in-out 1; }

.guide-animating .sc-ping2 {
  animation-delay: 280ms;
}

/* かざす/タッチする: 読み取り面へ下降して静止 */
@keyframes scTapDown {
  0%   { transform: translateY(-8px); }
  30%  { transform: translateY(0); }
  100% { transform: translateY(0); }
}

/* 読み取り成功の輪 */
@keyframes scPing {
  0%, 24% { transform: scale(.8); opacity: 0; }
  30%     { transform: scale(.9); opacity: .72; }
  58%     { transform: scale(1.6); opacity: 0; }
  100%    { transform: scale(1); opacity: 0; }
}

/* 扉が開く */
@keyframes scFlapL {
  0%, 28%   { transform: scaleX(1); }
  40%, 68%  { transform: scaleX(.12); }
  80%, 100% { transform: scaleX(1); }
}

@keyframes scFlapR {
  0%, 28%   { transform: scaleX(1); }
  40%, 68%  { transform: scaleX(.12); }
  80%, 100% { transform: scaleX(1); }
}

/* きっぷを投入 → 反対側から出る */
@keyframes scTicketIn {
  0%       { transform: translateY(-8px); opacity: 1; }
  22%      { transform: translateY(46px); opacity: 1; }
  26%      { opacity: 0; }
  100%     { transform: translateY(46px); opacity: 0; }
}

@keyframes scTicketOut {
  0%, 30%  { transform: translateY(46px); opacity: 0; }
  38%      { opacity: 1; }
  55%, 88% { transform: translateY(-4px); opacity: 1; }
  96%,100% { transform: translateY(-4px); opacity: 0; }
}

/* 精算機: 入れる → 精算券が出る */
@keyframes scFareIn {
  0%       { transform: translateY(0); opacity: 1; }
  20%      { transform: translateY(-14px); opacity: 1; }
  25%      { opacity: 0; }
  100%     { transform: translateY(-14px); opacity: 0; }
}

@keyframes scFareOut {
  0%, 34%  { transform: translateY(-14px); opacity: 0; }
  42%      { opacity: 1; }
  60%, 90% { transform: translateY(2px); opacity: 1; }
  97%,100% { transform: translateY(2px); opacity: 0; }
}

/* 有人改札で見せる */
@keyframes scShow {
  0%, 100% { transform: translate(-14px, 6px); opacity: .35; }
  30%, 70% { transform: translate(0, 0); opacity: 1; }
}

/* 一度出て、入り直す */
@keyframes scTransfer {
  0%       { transform: translate(0, 0); }
  35%      { transform: translate(20px, 26px); }
  65%      { transform: translate(38px, 26px); }
  100%     { transform: translate(48px, 52px); }
}

/* 動きを減らす設定の端末では静止画として見せる */
@media (prefers-reduced-motion: reduce) {
  .sc-phone, .sc-card, .sc-flap-l, .sc-flap-r, .sc-ping,
  .sc-tk-in, .sc-tk-out, .sc-fare-in, .sc-fare-out, .sc-pass, .sc-mover,
  .hero-stage, .station-name.pulse, .r-station.pulse,
  .modal-overlay, .modal, .modal-overlay.is-closing,
  .modal-overlay.is-closing .modal,
  #start-screen::after, .alert-overlay::before, .alert-overlay::after {
    animation: none !important;
  }
  .sc-tk-out, .sc-fare-out { opacity: 1; }
  .big-btn, .mode-btn, .pass-btn, .console-key, .icon-only-btn,
  .tab-btn, .tab-btn::after, .chip-btn, .dest-item, .route-list li,
  .route-list li::after, .search-input, .destination-action,
  .dest-map-locate, #dest-map-locate, .dest-map-dot, .dest-map-node,
  .dest-map-zoom button,
  button.dest-map-node::after, #dest-confirm {
    transition: none !important;
  }
}

/* 手順は短く、番号を振って図と対応させる */
.guide-steps {
  list-style: none;
  counter-reset: step;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.guide-steps li {
  counter-increment: step;
  position: relative;
  padding-left: 26px;
  font-size: 0.88rem;
  line-height: 1.5;
}

.guide-steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0.1em;
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: color-mix(in srgb, var(--accent) 20%, transparent);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* キーボード操作でどこにいるか分かるようにする (マウス/タップ時は出さない) */
:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

/* タブ・チップの選択状態を塗りで示す (枠だけより状態が伝わる) */
.tab-btn.active {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
}

.chip-btn {
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech),
    border-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

.chip-btn.active {
  background: color-mix(in srgb, var(--accent) 14%, transparent);
}

/* 一覧の行はタップできることが分かるように押した感触を返す */
.dest-item:active,
.route-list li:active {
  background: color-mix(in srgb, var(--accent) 8%, transparent);
}

.route-list li:active::after {
  transform: translateY(-50%) scale(0.86);
}

/* 目的地一覧のスクロール端で内容が切れて見えないよう余白を持たせる */
.dest-list {
  padding-bottom: 4px;
}

@media (max-height: 600px) and (orientation: landscape) {
  #start-screen {
    justify-content: flex-start;
    gap: 10px;
    padding-top: 12px;
    padding-bottom: 16px;
    overflow-y: auto;
  }

  .hero-stage {
    height: 150px;
  }

  .hero-sign {
    top: 0;
    width: min(260px, 68%);
  }

  .hero-sign-face {
    padding: 12px 15px 10px;
  }

  .hero-mark {
    width: 20px;
    height: 20px;
    margin-bottom: 0;
  }

  .hero-pole {
    top: 92px;
    height: 56px;
  }

  .hero-ground {
    bottom: -34px;
    height: 220px;
  }

  .logo {
    font-size: 1.65rem;
  }

  .tagline {
    font-size: 0.88rem;
    line-height: 1.55;
  }

  #start-screen .big-btn {
    padding: 12px 28px;
    font-size: 1rem;
  }

  #start-screen .note {
    font-size: 0.7rem;
    line-height: 1.45;
  }
}

@media (max-width: 370px) {
  .screen {
    padding-left: 18px;
    padding-right: 18px;
  }

  .status-bar {
    gap: 8px;
  }

  .status-meta {
    grid-template-columns: minmax(0, 1fr) 128px;
    gap: 6px;
  }

  .system-readout {
    padding-right: 3px;
    padding-left: 9px;
  }

  .system-readout::after {
    left: 9px;
  }

  .system-code,
  .console-caption {
    font-size: 0.5rem;
  }

  .pass-btn {
    padding-right: 7px;
    padding-left: 9px;
  }

  .pass-kicker {
    font-size: 0.5rem;
    letter-spacing: 0.1em;
  }

  #premium-btn-label {
    font-size: 0.72rem;
  }

  .status-console {
    padding: 6px;
  }

  .console-key {
    min-height: 57px;
  }

  .control-value {
    font-size: 0.66rem;
  }

  .control-label {
    font-size: 0.58rem;
    letter-spacing: 0.08em;
  }

  .badge {
    font-size: 0.66rem;
  }

  .mode-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
  }

  .mode-row .mode-btn {
    margin-top: 8px;
    min-height: 66px;
    padding: 11px 9px;
    gap: 6px;
    font-size: 0.78rem;
  }

  .mode-row .mode-btn .ic {
    width: 30px;
    height: 30px;
    padding: 7px;
  }

  #dest-btn.destination-action {
    min-height: 90px;
    padding: 16px;
  }

  #dest-btn.destination-action .ic {
    width: 40px;
    height: 40px;
    padding: 10px;
  }

  .modal {
    padding-left: 16px;
    padding-right: 16px;
  }

  .modal-header-row {
    margin-left: -16px;
    margin-right: -16px;
    padding-left: 16px;
    padding-right: 16px;
  }

  #dest-selection,
  .dest-selection {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 10px;
    row-gap: 2px;
    margin-right: -16px;
    margin-left: -16px;
    padding-right: 16px;
    padding-left: 16px;
  }

  #dest-confirm {
    grid-column: 1;
    grid-row: 4;
    width: 100%;
    margin-top: 8px;
  }

  #dest-selection-name {
    grid-column: 1;
    grid-row: 1;
  }

  #dest-selection-sub {
    grid-column: 1;
    grid-row: 2;
  }

  #dest-selection-meta {
    grid-column: 1;
    grid-row: 3;
  }

  .dest-tabs {
    border-radius: 16px;
  }

  .tab-btn {
    gap: 4px;
    padding-right: 2px;
    padding-left: 2px;
  }

  .dest-map-toolbar {
    gap: 8px;
  }

  .dest-map-locate {
    padding-right: 10px;
    padding-left: 10px;
  }
}

/* =====================================================================
   Platform Instrument
   装飾の量ではなく、駅名・余白・精密な罫線で品質を作る最終レイヤー。
   ===================================================================== */

button,
input,
select,
textarea {
  font: inherit;
}

body {
  background: var(--bg);
  font-family:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-feature-settings: "palt" 1;
  transition:
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

#app {
  max-width: 480px;
}

.screen {
  padding-right: 20px;
  padding-left: 20px;
}

/* ---- 起動面: 中央寄せテンプレートから、静かな機器の導入面へ ---- */
#start-screen {
  min-height: 100dvh;
  justify-content: flex-start;
  align-items: stretch;
  gap: 0;
  padding-top: calc(26px + env(safe-area-inset-top));
  padding-bottom: calc(24px + env(safe-area-inset-bottom));
  text-align: left;
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--card) 18%, var(--bg)) 0%,
      var(--bg) 44%
    );
}

.start-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  color: var(--sub);
  font-size: 0.62rem;
  font-weight: 600;
  letter-spacing: 0.11em;
}

#start-screen .hero {
  margin-top: clamp(48px, 9vh, 78px);
  perspective: 920px;
  perspective-origin: 42% 46%;
}

#start-screen .hero-stage {
  height: 252px;
  transform: rotateX(4deg) rotateY(-1.5deg);
  animation-duration: 620ms;
}

#start-screen .hero-sign {
  top: 22px;
  width: min(324px, 91%);
  transform: translateX(-50%) rotateY(-7deg) translateZ(20px);
}

#start-screen .hero-sign-face {
  padding: 28px 24px 22px;
  border: 1px solid var(--plate-edge);
  border-radius: 2px;
  background: var(--plate);
  box-shadow:
    1px 1px 0 var(--plate-shadow),
    2px 2px 0 var(--plate-shadow),
    3px 3px 0 var(--plate-shadow),
    4px 4px 0 var(--plate-shadow),
    12px 18px 30px -22px var(--contact-shadow);
}

#start-screen .hero-stripe {
  height: 3px;
}

#start-screen .hero-mark {
  width: 22px;
  height: 22px;
  margin-bottom: 14px;
  color: var(--sub);
}

#start-screen .logo {
  font-size: clamp(2.15rem, 11vw, 2.9rem);
  font-weight: 500;
  letter-spacing: -0.035em;
}

#start-screen .wordmark-en {
  margin-top: 8px;
  color: var(--sub);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.18em;
}

#start-screen .hero-pole {
  top: 146px;
  width: 9px;
  height: 88px;
  box-shadow:
    1px 0 0 var(--plate-shadow),
    2px 0 0 var(--plate-shadow);
}

#start-screen .hero-ground {
  bottom: -14px;
  opacity: 0.42;
}

#start-screen .tagline {
  max-width: 310px;
  margin-top: 8px;
  color: var(--fg);
  font-size: 1.08rem;
  font-weight: 400;
  line-height: 1.8;
  letter-spacing: 0;
  text-align: left;
}

/* 英語のキャッチは1行目が310pxをわずかに超え、「at,」だけが次行に落ちるため幅を広げる。
   それでも収まらない狭い画面では行の長さを揃えて折り返す */
html[lang="en"] #start-screen .tagline {
  max-width: 340px;
  text-wrap: balance;
}

#start-screen #start-btn {
  position: relative;
  width: 100%;
  min-height: 60px;
  margin-top: 30px;
  padding: 15px 54px 15px 18px;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  box-shadow: none;
  font-size: 1rem;
  font-weight: 600;
  text-align: left;
}

#start-screen #start-btn::after {
  content: "→";
  position: absolute;
  top: 50%;
  right: 18px;
  color: var(--accent);
  font-size: 1.15rem;
  font-weight: 400;
  transform: translateY(-50%);
  transition: transform var(--motion-fast) var(--ease-mech);
}

#start-screen #start-btn:active {
  transform: none;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  box-shadow: none;
}

#start-screen #start-btn:active::after {
  transform: translate(3px, -50%);
}

#start-screen .note {
  margin-top: 18px;
  color: var(--sub);
  font-size: 0.72rem;
  line-height: 1.65;
  text-align: left;
}

.policy-link {
  color: var(--sub);
  text-underline-offset: 3px;
}

/* ---- メインヘッダー: ブランドと一つの設定入口だけを残す ---- */
#main-screen.screen {
  position: relative;
  padding: 0 20px 42px;
  transition:
    opacity 320ms var(--ease-mech),
    transform 320ms var(--ease-mech);
}

.status-bar {
  position: sticky;
  top: 0;
  z-index: 12;
  display: flex;
  min-height: 58px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin: 0 -20px 14px;
  padding:
    max(10px, env(safe-area-inset-top))
    20px
    10px;
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--bg) 94%, transparent);
  backdrop-filter: blur(12px);
}

.brand-lockup {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-mark {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--accent);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.brand-copy {
  min-width: 0;
  display: grid;
  gap: 1px;
}

.brand-name {
  color: var(--fg);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.brand-descriptor {
  overflow: hidden;
  color: var(--sub);
  font-size: 0.7rem;
  font-weight: 500;
  line-height: 1.25;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.settings-trigger {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 0 2px 0 10px;
  border: 0;
  border-left: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--sub);
  cursor: pointer;
  font-size: 0.72rem;
  font-weight: 500;
}

.settings-trigger .ic {
  width: 19px;
  height: 19px;
  color: var(--fg);
}

.settings-trigger[aria-expanded="true"] {
  color: var(--fg);
}

.settings-trigger[aria-expanded="true"] .ic {
  color: var(--accent);
}

.settings-panel {
  position: absolute;
  top: calc(100% + 8px);
  right: 20px;
  left: 20px;
  z-index: 14;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--card);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.18);
  animation: instrumentPanelIn var(--motion-enter) var(--ease-mech) both;
}

@keyframes instrumentPanelIn {
  from {
    opacity: 0;
    transform: translateY(-6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.settings-panel-head {
  display: flex;
  min-height: 44px;
  align-items: center;
  justify-content: space-between;
  padding: 0 2px 10px 4px;
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
}

.settings-panel-head .icon-only-btn {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 2px;
}

.status-actions {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--line);
}

.console-key {
  min-height: 62px;
  padding: 13px 10px 8px;
  border: 0;
  border-radius: 0;
  background: var(--card);
  color: var(--sub);
  box-shadow: none;
}

.console-key:active {
  transform: none;
  background: color-mix(in srgb, var(--accent) 8%, var(--card));
  box-shadow: none;
}

.control-index {
  top: 7px;
  left: 9px;
  font-size: 0.7rem;
  font-weight: 600;
}

.control-value {
  color: var(--fg);
  font-size: 0.72rem;
  font-weight: 600;
}

.control-label {
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
}

/* ---- 現在駅: 駅名そのものを主役にする ---- */
.station-display {
  position: relative;
  min-height: 212px;
  display: flex;
  flex-direction: column;
  padding: 20px 0 34px;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  text-align: left;
}

.station-display::before {
  display: none;
}

.station-display .station-eyebrow { order: 1; }
.station-display .station-name { order: 2; }
.station-display .station-sub { order: 3; }
.station-display .lines { order: 4; }
.station-display .prev-next { order: 5; }
.station-display .station-readouts { order: 6; }
.station-display .station-axis { order: 7; }

.station-eyebrow {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.station-eyebrow .status-label {
  order: 0;
  margin: 0;
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.station-eyebrow .badge {
  order: 1;
  /* 縮ませない: 縮むと nowrap + overflow:hidden で「GPS ±20m」の末尾が欠ける。
     折り返しは左の見出し側に任せる */
  flex-shrink: 0;
}

.station-eyebrow .status-label::before {
  content: "CURRENT STATION / ";
  color: var(--sub);
}

html[lang="en"] .station-eyebrow .status-label::before {
  content: "CURRENT STATION / ";
}

.station-eyebrow .status-label.at-station {
  color: var(--accent);
}

.badge {
  max-width: 48%;
  gap: 6px;
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 500;
}

.badge::before {
  width: 4px;
  height: 8px;
  border: 0;
  border-radius: 1px;
}

.station-name {
  max-width: 100%;
  color: var(--fg);
  font-size: clamp(3rem, 15.5vw, 4rem);
  font-weight: 500;
  line-height: 1.08;
  letter-spacing: -0.045em;
}

.station-name.is-long {
  font-size: clamp(3rem, 12.5vw, 3.5rem);
  letter-spacing: -0.035em;
}

.station-sub {
  min-height: 1.3em;
  margin-top: 9px;
  color: var(--sub);
  font-size: 0.92rem;
  font-weight: 400;
  letter-spacing: 0.035em;
}

.lines {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 18px;
}

.line-chip {
  min-height: 22px;
  display: inline-flex;
  align-items: center;
  padding: 0 0 0 9px;
  border: 0;
  border-left: 3px solid var(--chip-color, var(--accent));
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font-size: 0.76rem;
  font-weight: 500;
  line-height: 1.35;
  box-shadow: none;
}

.prev-next {
  margin-top: 14px;
  color: var(--sub);
  font-size: 0.76rem;
  line-height: 1.45;
}

.station-readouts {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 5px 12px;
  margin-top: 16px;
}

.station-readouts .distance,
.station-readouts .updated,
.station-readouts .next-station {
  margin: 0;
  font-variant-numeric: tabular-nums;
}

.station-readouts .distance {
  color: var(--fg);
  font-size: 0.78rem;
  font-weight: 500;
}

.station-readouts .updated {
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 400;
  text-align: right;
}

.station-readouts .next-station {
  grid-column: 1 / -1;
  color: var(--accent2);
  font-size: 0.84rem;
  font-weight: 500;
}

.station-axis {
  position: absolute;
  right: 0;
  bottom: 0;
  left: 0;
  height: 1px;
  background: var(--line);
}

.station-axis::before {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  width: min(118px, 34%);
  height: 3px;
  background: var(--route-color, var(--accent));
}

/* ---- 車内モード入口: 駅表示の延長として扱う ---- */
.ride-mode-row {
  width: 100%;
  min-height: 68px;
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 13px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
  text-align: left;
}

.ride-mode-row .ic {
  width: 22px;
  height: 22px;
  color: var(--accent);
}

.ride-mode-copy {
  min-width: 0;
  display: grid;
  gap: 2px;
}

.ride-mode-copy > span:first-child {
  font-size: 0.88rem;
  font-weight: 600;
}

.ride-mode-copy > span:last-child {
  overflow: hidden;
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 400;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.row-arrow {
  color: var(--accent);
  font-size: 1rem;
  transition: transform var(--motion-fast) var(--ease-mech);
}

.ride-mode-row:active,
#dest-btn.destination-action:active,
.plus-row:active {
  transform: none;
  box-shadow: none;
}

.ride-mode-row:active .row-arrow,
#dest-btn.destination-action:active .row-arrow,
.plus-row:active .plus-action {
  transform: translateX(3px);
}

/* ---- 目的地: 一枚の連続した操作面 ---- */
#dest-btn.destination-action {
  position: relative;
  width: 100%;
  min-height: 142px;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto auto;
  align-items: center;
  gap: 9px 18px;
  margin-top: 24px;
  padding: 22px 0 22px 16px;
  overflow: hidden;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  box-shadow: none;
  text-align: left;
}

#dest-btn.destination-action::before {
  content: "";
  position: absolute;
  top: 23px;
  bottom: 23px;
  left: 0;
  width: 3px;
  background: var(--accent);
}

.destination-kicker {
  grid-column: 1;
  grid-row: 1;
  color: var(--sub);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.destination-action .action-copy {
  grid-column: 1;
  grid-row: 2;
  display: grid;
  gap: 4px;
}

.destination-action .action-title,
#dest-btn-label {
  color: var(--fg);
  font-size: clamp(1.3rem, 5.6vw, 1.65rem);
  font-weight: 500;
  line-height: 1.22;
  letter-spacing: -0.02em;
}

.destination-action .action-hint,
#dest-btn-hint {
  color: var(--sub);
  font-size: 0.74rem;
  font-weight: 400;
}

.destination-modes {
  grid-column: 1;
  grid-row: 3;
  display: flex;
  gap: 0;
  color: var(--sub);
  font-size: 0.68rem;
  font-weight: 500;
}

.destination-modes span {
  display: inline-flex;
  align-items: center;
}

.destination-modes span + span::before {
  content: "";
  width: 1px;
  height: 10px;
  margin: 0 9px;
  background: var(--line);
}

#dest-btn.destination-action > .row-arrow {
  grid-column: 2;
  grid-row: 1 / 4;
}

#dest-btn.destination-action:focus-visible {
  outline: none;
  background: color-mix(in srgb, var(--accent) 7%, transparent);
  box-shadow: inset 0 -2px var(--accent);
}

.mode-row {
  display: block;
}

.mode-row .mode-btn {
  min-height: 58px;
  margin-top: 0;
  padding: 13px 0;
  gap: 11px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--sub);
  box-shadow: none;
  font-size: 0.78rem;
  font-weight: 500;
}

.mode-row .mode-btn .ic {
  width: 22px;
  height: 22px;
  padding: 0;
  border-radius: 0;
  background: transparent;
  color: var(--sub);
}

.mode-row .mode-btn:active {
  transform: none;
  background: color-mix(in srgb, var(--accent) 6%, transparent);
  box-shadow: none;
}

.alert-status {
  margin-top: 12px;
  padding: 11px 0 11px 13px;
  border: 0;
  border-left: 3px solid var(--danger);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

/* ---- 周辺駅: カードを読ませず、駅名を読ませる ---- */
.nearby,
.history {
  margin-top: 40px;
}

.nearby h3,
.history h3 {
  display: grid;
  gap: 3px;
  margin: 0 0 8px;
  color: var(--fg);
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
}

.section-index {
  color: var(--sub);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.nearby > .nearby-list,
.history > .nearby-list {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.nearby > .nearby-list > li {
  min-height: 72px;
  display: grid;
  grid-template-columns: 3px minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  margin: 0;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  font-size: 1rem;
}

.nearby-route-rail {
  align-self: stretch;
  width: 3px;
  min-height: 42px;
  background: var(--route-color, var(--accent));
}

.nearby-copy {
  min-width: 0;
  display: grid;
  gap: 4px;
}

.nearby-name {
  overflow: hidden;
  color: var(--fg);
  font-size: 1.02rem;
  font-weight: 500;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nearby-sub {
  overflow: hidden;
  color: var(--sub);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.35;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.nearby .item-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nearby .nearby-direction {
  width: 8px;
  height: 8px;
  border-top: 1.5px solid var(--sub);
  border-right: 1.5px solid var(--sub);
  transform: rotate(calc(var(--bearing, 0deg) + 45deg));
  transform-origin: center;
}

.nearby > .nearby-list .dist {
  color: var(--sub);
  font-size: 0.76rem;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.bell-btn {
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 0;
  border-radius: 2px;
  background: transparent;
  color: var(--sub);
  box-shadow: none;
}

.bell-btn.on {
  background: color-mix(in srgb, var(--accent) 10%, transparent);
  color: var(--accent);
}

.history > .nearby-list > li {
  min-height: 60px;
  margin: 0;
  padding: 11px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

/* ---- Plus: 会員証ではなく安心機能の拡張として見せる ---- */
.plus-row.pass-btn {
  width: 100%;
  min-height: 84px;
  display: grid;
  grid-template-columns: 3px minmax(0, 1fr) auto;
  align-items: center;
  gap: 13px;
  margin-top: 40px;
  padding: 16px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  box-shadow: none;
}

.plus-rule {
  width: 3px;
  height: 38px;
  background: var(--accent);
}

.plus-row .pass-copy {
  gap: 5px;
}

.plus-row .pass-kicker {
  color: var(--fg);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.09em;
}

.plus-description {
  display: -webkit-box;
  overflow: hidden;
  color: var(--sub);
  font-size: 0.69rem;
  font-weight: 400;
  line-height: 1.4;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  white-space: normal;
}

.plus-action {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--accent);
  font-size: 0.7rem;
  font-weight: 600;
  transition: transform var(--motion-fast) var(--ease-mech);
}

#premium-btn-label {
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
}

.ad-slot {
  min-height: 64px;
  margin-top: 28px;
  padding: 18px 0;
  border: 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--sub);
  box-shadow: none;
  font-size: 0.68rem;
}

.error-banner {
  bottom: 14px;
  width: calc(100% - 40px);
  padding: 13px 15px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--danger);
  border-radius: 2px;
  background: var(--card);
  color: var(--fg);
  box-shadow: 0 14px 36px rgba(0, 0, 0, 0.2);
  font-size: 0.78rem;
  font-weight: 500;
  line-height: 1.55;
}

.error-banner.success {
  border-left-color: var(--accent);
  background: var(--card);
  color: var(--fg);
}

.footer {
  padding-top: 34px;
  text-align: left;
}

.footer-links {
  justify-content: flex-start;
}

/* ---- 目的地ワークスペース ---- */
#dest-modal .modal {
  max-height: 94dvh;
  gap: 12px;
  padding: 0 12px calc(14px + env(safe-area-inset-bottom));
  border: 1px solid var(--line);
  border-bottom: 0;
  border-radius: 10px 10px 0 0;
  background: var(--card);
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.2);
}

#dest-modal .modal-header-row {
  margin: 0 -12px;
  padding: 22px 12px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--card);
}

#dest-modal .modal-header-row::before {
  top: 8px;
  width: 28px;
  height: 2px;
  border-radius: 1px;
}

#dest-modal .modal-header-row h2 {
  font-size: 1.35rem;
  font-weight: 600;
  letter-spacing: -0.02em;
}

#dest-close,
#guide-close,
#paywall-close {
  border: 0;
  border-radius: 2px;
}

#dest-intro {
  color: var(--sub);
  font-size: 0.76rem;
  line-height: 1.55;
}

.dest-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  overflow: visible;
  padding: 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.tab-btn {
  position: relative;
  min-height: 48px;
  gap: 7px;
  padding: 0 8px;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--sub);
  font-size: 0.78rem;
  font-weight: 500;
}

.tab-btn .ic {
  width: 17px;
  height: 17px;
}

.tab-btn::after {
  right: 0;
  bottom: -1px;
  left: 0;
  height: 2px;
  border-radius: 0;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: center;
}

.tab-btn.active,
.tab-btn[aria-selected="true"] {
  background: transparent;
  color: var(--fg);
}

.tab-btn.active::after,
.tab-btn[aria-selected="true"]::after {
  transform: scaleX(1);
}

#dest-map-view {
  display: grid;
  gap: 10px;
}

.dest-map-toolbar {
  min-height: 26px;
}

#dest-map-status {
  color: var(--sub);
  font-size: 0.72rem;
}

#dest-map-stage {
  width: 100%;
  max-width: none;
  border: 1px solid var(--line);
  border-radius: 10px;
  background-color: color-mix(in srgb, var(--card) 86%, var(--bg));
  background-image:
    linear-gradient(color-mix(in srgb, var(--line) 34%, transparent) 1px, transparent 1px),
    linear-gradient(90deg, color-mix(in srgb, var(--line) 34%, transparent) 1px, transparent 1px);
  background-size: 42px 42px;
  box-shadow: none;
}

#dest-map-stage::after {
  top: 11px;
  left: 11px;
  width: 24px;
  height: 24px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: color-mix(in srgb, var(--card) 90%, transparent);
  font-weight: 600;
}

.dest-map-route,
.dest-map-line {
  opacity: 0.62;
  stroke-width: 2.5;
}

.dest-map-zoom {
  top: 12px;
  right: 12px;
  /* 基本定義の bottom:12px を打ち消す (残すと上下に引き伸ばされ、灰色の帯が地図に被る) */
  bottom: auto;
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--line);
  box-shadow: none;
}

.dest-map-zoom button {
  width: 44px;
  height: 44px;
  border: 0;
  border-radius: 0;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  box-shadow: none;
}

#dest-map-locate {
  position: absolute;
  right: 12px;
  bottom: 12px;
  z-index: 3;
  min-height: 44px;
  padding: 8px 10px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--card) 94%, transparent);
  color: var(--fg);
  box-shadow: none;
  font-size: 0.72rem;
}

#dest-map-locate:hover,
#dest-map-locate:focus-visible {
  border-color: var(--accent);
  background: var(--card);
}

#dest-map-hint {
  color: var(--sub);
  font-size: 0.68rem;
}

.search-input {
  min-height: 48px;
  border: 1px solid var(--control-border);
  border-radius: 6px;
  background: var(--bg);
  box-shadow: none;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.dest-list,
.route-list {
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.dest-list .dest-item,
.route-list li {
  min-height: 58px;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
}

#dest-selection,
.dest-selection {
  margin: auto -12px 0;
  padding: 13px 12px calc(13px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--line);
  background: color-mix(in srgb, var(--card) 97%, var(--bg));
  box-shadow: none;
}

#dest-selection-name {
  font-size: 0.92rem;
  font-weight: 600;
}

#dest-confirm {
  min-height: 46px;
  padding: 10px 14px;
  border-radius: 6px;
  background: var(--accent);
  box-shadow: none;
  font-size: 0.8rem;
  font-weight: 600;
}

#dest-confirm:active {
  box-shadow: none;
}

/* ---- ガイドとPlus詳細も同じ編集ルールへ ---- */
#guide-modal .modal,
#paywall .modal {
  border-color: var(--line);
  border-radius: 10px 10px 0 0;
  background: var(--card);
  box-shadow: 0 -12px 32px rgba(0, 0, 0, 0.2);
}

.guide-chips {
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.chip-btn {
  min-height: 44px;
  padding: 8px 10px;
  border: 0;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.chip-btn.active,
.chip-btn[aria-pressed="true"] {
  border-bottom-color: var(--accent);
  background: transparent;
  color: var(--fg);
}

.guide-sec {
  padding: 18px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.guide-sec::before {
  display: none;
}

.guide-sec h3 {
  font-size: 0.94rem;
  font-weight: 600;
}

.scene {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: color-mix(in srgb, var(--card) 90%, var(--bg));
  box-shadow: none;
}

#paywall .feature-list {
  gap: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

#paywall .feature-list li {
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.price {
  padding: 12px 0 12px 14px;
  border: 0;
  border-left: 3px solid var(--accent);
  border-radius: 0;
  background: transparent;
  color: var(--fg);
  font-size: 1.18rem;
  font-weight: 600;
}

#paywall .big-btn {
  border-radius: 6px;
  box-shadow: none;
}

/* ---- 車内モード: 別物へ切り替わらず、現在駅面が拡張するように見せる ---- */
body.riding-active #main-screen {
  opacity: 0.16;
  transform: scale(0.985);
}

.riding {
  background: #000;
  animation: none;
}

.riding.is-leaving {
  pointer-events: none;
  animation: none;
}

@keyframes ridingReveal {
  from {
    opacity: 1;
  }
  to {
    opacity: 1;
  }
}

@keyframes ridingConceal {
  from {
    opacity: 1;
  }
  to {
    opacity: 1;
  }
}

.riding::before,
.riding::after {
  height: 3px;
}

.riding .status-label {
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.1em;
}

.r-station {
  font-size: clamp(3.8rem, 20vw, 6.3rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.045em;
}

.r-dist,
.r-next {
  font-weight: 500;
}

.r-hint {
  min-height: 48px;
  padding: 10px 18px;
  border: 1px solid #34383b;
  border-radius: 6px;
  background: transparent;
  box-shadow: none;
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

@media (max-width: 370px) {
  .screen {
    padding-right: 16px;
    padding-left: 16px;
  }

  #main-screen.screen {
    padding-right: 16px;
    padding-left: 16px;
  }

  .status-bar {
    margin-right: -16px;
    margin-left: -16px;
    padding-right: 16px;
    padding-left: 16px;
  }

  .settings-panel {
    right: 16px;
    left: 16px;
  }

  .brand-descriptor {
    max-width: 130px;
  }

  .station-name {
    font-size: 3rem;
  }

  .station-name.is-long {
    font-size: 3rem;
  }

  .destination-action .action-title,
  #dest-btn-label {
    font-size: 1.25rem;
  }

  #dest-modal .modal {
    padding-right: 10px;
    padding-left: 10px;
  }

  #dest-modal .modal-header-row {
    margin-right: -10px;
    margin-left: -10px;
    padding-right: 10px;
    padding-left: 10px;
  }

  #dest-selection,
  .dest-selection {
    grid-template-columns: minmax(0, 1fr);
    margin-right: -10px;
    margin-left: -10px;
    padding-right: 10px;
    padding-left: 10px;
  }

  #dest-confirm {
    grid-column: 1;
    grid-row: 4;
    width: 100%;
    margin-top: 8px;
  }

  .nearby > .nearby-list > li {
    gap: 9px;
  }

  .nearby .item-right {
    gap: 5px;
  }

  .plus-row.pass-btn {
    grid-template-columns: 3px minmax(0, 1fr);
  }

  .plus-action {
    grid-column: 2;
    justify-self: start;
  }
}

@media (max-height: 600px) and (orientation: landscape) {
  #start-screen {
    overflow-y: auto;
  }

  #start-screen .hero {
    margin-top: 18px;
  }

  #start-screen .hero-stage {
    height: 148px;
  }

  #start-screen .hero-sign {
    top: 4px;
    width: min(280px, 74%);
  }

  #start-screen .hero-sign-face {
    padding: 16px 18px 13px;
  }

  #start-screen .hero-pole {
    top: 94px;
    height: 48px;
  }

  #start-screen .tagline {
    margin-top: 4px;
    font-size: 0.88rem;
    line-height: 1.5;
  }

  #start-screen #start-btn {
    min-height: 48px;
    margin-top: 12px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .settings-panel,
  .riding,
  .riding.is-leaving {
    animation: none !important;
  }

  body.riding-active #main-screen {
    transition: none;
  }
}

/* =====================================================================
   Quiet Depth — UI/UX・モーション仕様の最終適用レイヤー
   文字、余白、面の差、短い応答だけで奥行きを作る。
   ===================================================================== */

html {
  background: var(--bg);
}

html[data-mode="light"] body:not([data-mode]) {
  background: #f4f2ec;
  color: #17191c;
}

body {
  font-family:
    system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "Yu Gothic UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.55;
  transition:
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

#app {
  max-width: 520px;
}

button,
[role="button"] {
  -webkit-tap-highlight-color: transparent;
}

.big-btn:active,
.pass-btn:active,
.mode-btn:active,
.ride-mode-row:active,
.destination-action:active,
.console-key:active,
.text-btn:active,
.more-btn:active {
  transform: translateY(1px);
}

.start-eyebrow,
#start-screen .wordmark-en,
#start-screen .note,
.brand-mark,
.brand-descriptor,
.settings-panel-head,
.control-index,
.control-label,
.station-eyebrow .status-label,
.badge,
.station-readouts .updated,
.ride-mode-copy > span:last-child,
.destination-kicker,
.destination-modes,
.section-index,
.plus-row .pass-kicker,
.plus-description,
.plus-action,
.ad-slot,
#dest-map-status,
#dest-map-hint,
.riding .status-label {
  font-size: 0.75rem;
}

#start-screen .hero-sign-face {
  border-radius: 12px;
  box-shadow:
    0 1px 0 var(--edge-highlight),
    0 18px 50px -32px var(--contact-shadow);
}

#start-screen #start-btn,
.destination-action .action-copy > span:first-child,
.ride-mode-copy > span:first-child,
.mode-btn,
.big-btn,
.more-btn {
  font-size: 0.9375rem;
}

#main-screen.screen {
  transition:
    opacity var(--motion-normal) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech);
}

.status-bar {
  backdrop-filter: none;
  background: color-mix(in srgb, var(--bg) 98%, transparent);
}

.settings-trigger,
.console-key,
.icon-only-btn,
.tab-btn,
.chip-btn,
.text-btn,
.more-btn {
  transition:
    transform var(--motion-press) var(--ease-press),
    background-color var(--motion-fast) var(--ease-mech),
    color var(--motion-fast) var(--ease-mech),
    border-color var(--motion-fast) var(--ease-mech);
}

.station-display {
  min-height: 250px;
  padding-top: 24px;
  padding-bottom: 38px;
}

.station-name {
  max-width: 100%;
  font-size: clamp(3.4rem, 16vw, 5.8rem);
  font-weight: 650;
  line-height: 0.98;
  letter-spacing: -0.055em;
  text-wrap: balance;
}

.station-name.is-state-message {
  max-width: 320px;
  font-size: clamp(2rem, 10vw, 2.7rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.station-display:focus-visible {
  outline: none;
}

.station-sub {
  margin-top: 12px;
  font-size: 0.9375rem;
}

.gps-state {
  position: relative;
  display: grid;
  gap: 10px;
  margin: -8px 0 20px;
  padding: 14px 16px;
  border-left: 2px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: color-mix(in srgb, var(--card) 74%, transparent);
  color: var(--sub);
  font-size: 0.875rem;
  line-height: 1.55;
  animation: quietEnter var(--motion-small) var(--ease-enter) both;
}

.gps-state.is-compact {
  display: none;
}

.gps-state[data-state="permission-denied"],
.gps-state[data-state="timeout"],
.gps-state[data-state="unavailable"] {
  border-left-color: var(--danger);
}

.gps-state .text-btn {
  min-height: 44px;
  justify-self: start;
  padding: 8px 12px;
  border: 1px solid var(--control-border);
  border-radius: 10px;
  color: var(--fg);
}

.gps-settings-hint {
  color: var(--fg);
}

@keyframes quietEnter {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 設定はヘッダー内のドロップダウンではなく、独立した短いダイアログにする。 */
.settings-overlay {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  align-items: start;
  justify-items: center;
  padding:
    calc(72px + env(safe-area-inset-top))
    16px
    calc(16px + env(safe-area-inset-bottom));
}

.settings-scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.28);
  animation: backdropIn var(--motion-normal) linear both;
}

body[data-mode="light"] .settings-scrim {
  background: rgba(17, 19, 21, 0.16);
}

.settings-panel {
  position: relative;
  top: auto;
  right: auto;
  left: auto;
  z-index: 1;
  width: min(100%, 488px);
  max-height: calc(100dvh - 88px - env(safe-area-inset-bottom));
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--control-border);
  border-radius: 18px;
  background: color-mix(in srgb, var(--card) 97%, var(--bg));
  box-shadow:
    0 1px 0 var(--edge-highlight) inset,
    0 24px 72px -38px rgba(0, 0, 0, 0.56);
  animation: settingsPanelIn var(--motion-normal) var(--ease-enter) both;
}

.settings-overlay.is-closing .settings-scrim {
  animation: backdropOut 140ms linear both;
}

.settings-overlay.is-closing .settings-panel {
  animation: settingsPanelOut 140ms var(--ease-exit) both;
}

@keyframes settingsPanelIn {
  from {
    opacity: 0.96;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes settingsPanelOut {
  from {
    opacity: 1;
    transform: translateY(0);
  }
  to {
    opacity: 0;
    transform: translateY(-6px);
  }
}

.settings-panel-head {
  min-height: 48px;
  padding: 0 2px 12px 6px;
}

.status-actions {
  border-color: var(--control-border);
  border-radius: 12px;
  background: var(--control-border);
}

.console-key {
  min-height: 66px;
}

.console-key:focus-visible {
  position: relative;
  z-index: 1;
  outline: 2px solid var(--accent);
  outline-offset: -2px;
  box-shadow: none;
}

/* ボトムシート。掴めない装飾ハンドルと3D回転は置かない。 */
.modal-overlay {
  z-index: 60;
  background: rgba(0, 0, 0, 0.58);
}

body[data-mode="light"] .modal-overlay {
  background: rgba(17, 19, 21, 0.42);
}

.modal {
  max-width: 520px;
  max-height: 86dvh;
  border: 1px solid var(--control-border);
  border-bottom: 0;
  border-radius: 20px 20px 0 0;
  background: color-mix(in srgb, var(--card) 98%, var(--bg));
  box-shadow:
    0 1px 0 var(--edge-highlight) inset,
    0 -28px 70px -48px rgba(0, 0, 0, 0.72);
  animation: sheetDock var(--motion-enter) var(--ease-enter) both;
}

#dest-modal .modal,
#guide-modal .modal,
#paywall .modal {
  max-height: 86dvh;
  border-color: var(--control-border);
  border-radius: 20px 20px 0 0;
  background: color-mix(in srgb, var(--card) 98%, var(--bg));
  box-shadow:
    0 1px 0 var(--edge-highlight) inset,
    0 -28px 70px -48px rgba(0, 0, 0, 0.72);
}

.modal-overlay.is-closing .modal {
  animation: sheetUndock var(--motion-exit) var(--ease-exit) both;
}

.modal-header-row,
#dest-modal .modal-header-row {
  padding-top: 18px;
  background: color-mix(in srgb, var(--card) 98%, var(--bg));
}

.modal-header-row::before,
#dest-modal .modal-header-row::before {
  display: none;
}

.modal-header-row h2,
#dest-modal .modal-header-row h2 {
  font-size: 1.375rem;
  font-weight: 650;
  letter-spacing: -0.025em;
}

.field-label {
  display: block;
  margin: 4px 2px -4px;
  color: var(--fg);
  font-size: 0.875rem;
  font-weight: 600;
}

.result-state,
.empty-state {
  min-height: 24px;
  color: var(--sub);
  font-size: 0.875rem;
  line-height: 1.55;
}

.search-input {
  min-height: 50px;
  padding: 12px 14px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: color-mix(in srgb, var(--bg) 88%, var(--card));
  font-size: 0.9375rem;
}

.search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
}

.more-btn {
  width: 100%;
  min-height: 48px;
  margin-top: 4px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: transparent;
  color: var(--fg);
  cursor: pointer;
}

.history:has(> .nearby-list:empty) {
  display: block;
}

#history-empty {
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

#dest-map-stage {
  border-color: var(--control-border);
  border-radius: 16px;
  background-color: color-mix(in srgb, var(--card) 90%, var(--bg));
}

#dest-map-stage::after {
  display: none;
}

#dest-map-svg:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -3px;
}

.dest-map-zoom,
#dest-map-locate {
  border-color: var(--control-border);
  border-radius: 10px;
}

.dest-map-node .dest-map-dot {
  transition:
    fill var(--motion-fast) var(--ease-mech),
    stroke var(--motion-fast) var(--ease-mech),
    stroke-width var(--motion-fast) var(--ease-mech),
    r var(--motion-fast) var(--ease-mech);
}

#dest-selection,
.dest-selection {
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-rows: auto auto auto auto;
  padding-top: 12px;
  border-top-color: var(--control-border);
}

.selection-label {
  grid-column: 1;
  grid-row: 1;
  color: var(--accent);
  font-size: 0.75rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

#dest-selection-name {
  grid-row: 2;
}

#dest-selection-sub {
  grid-row: 3;
}

#dest-selection-meta {
  grid-row: 4;
}

#dest-confirm {
  grid-row: 1 / 5;
  border-radius: 12px;
  font-size: 0.875rem;
}

/* ガイド選択は明示的な単一選択。図解はJSで1度だけ再生する。 */
.guide-chips {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.chip-btn,
.chip-btn.active,
.chip-btn[aria-checked="true"] {
  min-height: 46px;
  border: 1px solid var(--control-border);
  border-radius: 12px;
  background: transparent;
}

.chip-btn[data-ticket="all"] {
  grid-column: 1 / -1;
}

.chip-btn.active,
.chip-btn[aria-checked="true"] {
  border-width: 2px;
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, transparent);
  color: var(--fg);
}

.guide-sec {
  padding-block: 22px;
}

.guide-steps {
  font-size: 0.9375rem;
  line-height: 1.65;
}

.scene {
  border-color: var(--control-border);
  border-radius: 14px;
}

/* Plusは本番契約とデモを同時に見せない。 */
.plus-state {
  display: grid;
  gap: 5px;
  padding: 14px 16px;
  border-left: 2px solid var(--accent);
  border-radius: 0 12px 12px 0;
  background: color-mix(in srgb, var(--accent) 5%, transparent);
}

.plus-mode-label {
  color: var(--fg);
  font-size: 0.9375rem;
  font-weight: 650;
}

.plus-status,
.plus-error {
  color: var(--sub);
  font-size: 0.875rem;
  line-height: 1.55;
}

.plus-error {
  color: var(--danger);
}

#paywall .big-btn {
  min-height: 50px;
  border-radius: 12px;
}

.price {
  border-left-width: 2px;
  font-size: 1.125rem;
}

/* 車内面が存在する全フレームを完全な黒にする。内容だけを短くフェード。 */
html.riding-active,
html.riding-active body,
body.riding-active {
  background: #000 !important;
  overflow: hidden !important;
}

body.riding-active #main-screen {
  opacity: 1;
  transform: none;
}

.riding {
  position: fixed;
  inset: 0;
  z-index: 100;
  isolation: isolate;
  background: #000 !important;
  opacity: 1;
}

.riding::before,
.riding::after {
  display: none;
}

.riding > * {
  animation: ridingContentIn var(--motion-small) var(--ease-enter) both;
}

.riding.is-leaving > * {
  opacity: 0;
  transition: opacity var(--motion-fast) var(--ease-exit);
}

@keyframes ridingContentIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.alert-overlay {
  z-index: 130;
}

.alert-overlay::before,
.alert-overlay::after {
  height: 3px;
  animation: none;
}

.error-banner {
  z-index: 140;
  font-size: 0.875rem;
}

@media (min-width: 768px) {
  .modal-overlay {
    align-items: center;
    padding: 24px;
  }

  .modal,
  #dest-modal .modal,
  #guide-modal .modal,
  #paywall .modal {
    max-width: 520px;
    max-height: min(780px, calc(100dvh - 48px));
    border-bottom: 1px solid var(--control-border);
    border-radius: 20px;
  }

  .settings-overlay {
    padding-top: calc(86px + env(safe-area-inset-top));
  }

  .settings-panel {
    justify-self: end;
    margin-right: max(24px, calc((100vw - 760px) / 2));
  }
}

@media (max-width: 370px) {
  #dest-selection,
  .dest-selection {
    grid-template-columns: minmax(0, 1fr);
  }

  #dest-confirm {
    grid-column: 1;
    grid-row: 5;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto !important;
  }

  *,
  *::before,
  *::after {
    animation-duration: 1ms !important;
    animation-delay: 0ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
    scroll-behavior: auto !important;
  }

  .modal,
  .modal-overlay.is-closing .modal,
  .settings-panel,
  .settings-overlay.is-closing .settings-panel,
  .gps-state,
  .riding > *,
  .riding.is-leaving > *,
  #start-screen #start-btn::after,
  .row-arrow,
  .plus-action {
    transform: none !important;
  }

  .guide-animating .sc-phone,
  .guide-animating .sc-card,
  .guide-animating .sc-flap-l,
  .guide-animating .sc-flap-r,
  .guide-animating .sc-ping,
  .guide-animating .sc-tk-in,
  .guide-animating .sc-tk-out,
  .guide-animating .sc-fare-in,
  .guide-animating .sc-fare-out,
  .guide-animating .sc-pass,
  .guide-animating .sc-mover {
    animation: none !important;
  }
}

/* =====================================================================
   乗り換え案内
   ===================================================================== */
/* 駅名標の路線タグの下に置く控えめな操作。主役の駅名を邪魔しない */
.transfer-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  background: var(--panel-key);
  color: var(--fg);
  font: inherit;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: 0 var(--press-depth) 0 var(--btn-edge);
  transition: transform var(--motion-press) ease, box-shadow var(--motion-press) ease;
}

.transfer-btn:active {
  transform: translateY(var(--press-depth));
  box-shadow: 0 0 0 var(--btn-edge);
}

.transfer-btn .ic {
  width: 1.05rem;
  height: 1.05rem;
  color: var(--accent);
}

.transfer-context {
  color: var(--sub);
  font-size: 0.86rem;
  line-height: 1.5;
}

.transfer-body {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.transfer-group {
  padding: 14px 14px 12px;
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--sub);
  border-radius: var(--radius-control);
  background: var(--card);
}

/* 同じ会社=改札内で済む(落ち着いた色) / 別の会社・徒歩=改札を出る(注意色) */
.transfer-group[data-kind="same"] { border-left-color: var(--accent2); }
.transfer-group[data-kind="other"],
.transfer-group[data-kind="walk"] { border-left-color: var(--accent); }

.transfer-group h3 {
  font-size: 0.95rem;
  font-weight: 700;
  margin: 0;
}

.transfer-how {
  margin-top: 4px;
  color: var(--sub);
  font-size: 0.82rem;
  line-height: 1.5;
}

.transfer-lines {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin: 10px 0 0;
  padding: 0;
}

.transfer-note {
  color: var(--sub);
  font-size: 0.76rem;
  line-height: 1.5;
}

/* 降車アラート上: 停止ボタンより弱い二次操作として置く */
.alert-transfer-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 18px;
  border: 1px solid var(--control-border);
  border-radius: 999px;
  background: transparent;
  color: var(--fg);
  font: inherit;
  font-size: 0.95rem;
  cursor: pointer;
}

.alert-transfer-btn .ic {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--accent);
}

/* 駅名標の中では「路線タグの直後」に置く (駅名より目立たせない) */
.station-display .transfer-btn {
  order: 4;
  align-self: flex-start;
  width: auto;
}

/* =====================================================================
   位置の鮮度と手動更新 / 乗っている路線の質問
   ===================================================================== */
.station-readouts .updated.is-stale {
  color: var(--location-attention);
  font-weight: 600;
}

/* 「何秒前の位置か」の直下に置く小さな手動更新。止まったときだけ目立たせる */
.refresh-btn {
  grid-column: 2;
  justify-self: end;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  min-height: 32px;
  padding: 4px 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--sub);
  font: inherit;
  font-size: 0.74rem;
  cursor: pointer;
}

.refresh-btn .ic {
  width: 0.95rem;
  height: 0.95rem;
}

.refresh-btn[disabled] {
  opacity: 0.6;
  cursor: progress;
}

.refresh-btn[disabled] .ic {
  animation: refresh-spin 0.9s linear infinite;
}

@keyframes refresh-spin {
  to { transform: rotate(360deg); }
}

.refresh-btn.is-emphasis {
  border-color: var(--location-attention);
  color: var(--location-attention);
  font-weight: 600;
}

.ride-chip-text {
  border: 0;
  background: transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  text-decoration: underline dotted;
  text-underline-offset: 3px;
}

.ride-chip.is-confirmed .ride-chip-text {
  text-decoration: none;
}

.ride-ask {
  margin-bottom: 16px;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid var(--card-border);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius-control);
  background: var(--card);
}

.ride-ask-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.ride-ask-head h3 {
  margin: 0;
  font-size: 0.98rem;
  font-weight: 700;
}

.ride-ask-hint {
  margin-top: 4px;
  color: var(--sub);
  font-size: 0.8rem;
  line-height: 1.5;
}

.ride-choices {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

/* 路線の公式カラーを左端に持つ、押せる路線ボタン */
.ride-choice {
  min-height: 40px;
  padding: 6px 12px 6px 10px;
  border: 1px solid var(--control-border);
  border-left: 4px solid var(--chip-color, var(--accent));
  border-radius: var(--radius-control);
  background: var(--panel-key);
  color: var(--fg);
  font: inherit;
  font-size: 0.86rem;
  cursor: pointer;
  box-shadow: 0 var(--press-depth) 0 var(--btn-edge);
  transition: transform var(--motion-press) ease, box-shadow var(--motion-press) ease;
}

.ride-choice:active {
  transform: translateY(var(--press-depth));
  box-shadow: 0 0 0 var(--btn-edge);
}

.transfer-ask p {
  color: var(--sub);
  font-size: 0.84rem;
  line-height: 1.5;
}

@media (prefers-reduced-motion: reduce) {
  .refresh-btn[disabled] .ic { animation: none; }
}

/* 測位の経過は注意色、権限・取得のエラーは既存のGPS欄で区別する。 */
:root { --location-attention: #94601d; }
body[data-mode="dark"], .riding { --location-attention: #e4b568; }

.ride-select-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  margin: 0 0 12px;
  padding: 8px 12px;
  border: 1px solid var(--control-border);
  border-radius: var(--radius-control);
  background: var(--panel-key);
  color: var(--fg);
  font: inherit;
  font-size: .82rem;
  cursor: pointer;
  box-shadow: 0 2px 0 var(--btn-edge);
}
.ride-select-btn .ic { width: 1rem; height: 1rem; color: var(--accent); }
.ride-select-btn:disabled { opacity: .5; cursor: default; box-shadow: none; }
.ride-select-btn:active:not(:disabled) { transform: translateY(1px); box-shadow: none; }
.ride-choice { min-height: 44px; }

.riding { gap: 24px; padding: calc(72px + env(safe-area-inset-top)) 24px calc(88px + env(safe-area-inset-bottom)); overflow-y: auto; }
.r-station-readout { display: flex; flex-direction: column; align-items: center; gap: 12px; width: 100%; }
.r-station-readout > p:empty { display: none; }
.r-location-status { display: flex; flex-direction: column; align-items: center; gap: 8px; width: min(100%, 520px); flex-shrink: 0; }
.r-updated { color: #a8a9b2; font-size: .82rem; font-variant-numeric: tabular-nums; line-height: 1.5; }
.r-updated.is-stale { color: var(--location-attention); }
.r-location-note { color: #b5b7bf; font-size: .78rem; line-height: 1.5; max-width: 30em; }
.r-location-status .refresh-btn { min-height: 44px; border-color: #4b4d55; color: #d2d3da; font-size: .82rem; }
.r-location-status .refresh-btn.is-emphasis { color: var(--location-attention); border-color: var(--location-attention); }
@media (max-height: 640px) {
  .riding { gap: 14px; }
  .r-station-readout { gap: 8px; }
  .r-station { font-size: clamp(2.6rem, 17vw, 5rem); }
}
@media (max-height: 520px) and (min-width: 600px) {
  .riding { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr); gap: 24px; padding-left: 32px; padding-right: 32px; }
  .r-station { font-size: clamp(2rem, 15vh, 4rem); }
  .r-clock, .r-hint { left: 50%; transform: translateX(-50%); }
  .r-hint:active { transform: translate(-50%, 2px); }
}

/* Keep data-license links readable in the compact credit line. */
.credit a { color: inherit; text-underline-offset: 2px; }