:root {
  --p1: #3f7fbf;
  --p1-strong: #2b5a8a;
  --p2: #d9704f;
  --p2-strong: #a34a30;
  --neutral: #eae6dc;
  --board-line: #c8c2b4;
  --gold: #d9a520;
  --ink: #2c2a26;
  --paper: #f7f5f0;
  --panel: #fffdf8;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Hiragino Sans", "Yu Gothic UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}
#app { max-width: none; margin: 0 auto; padding: 10px 18px; }
h1 { font-size: 20px; margin: 4px 0 12px; }
h1 small { font-weight: normal; color: #8a8477; margin-left: 8px; }

.setup {
  background: var(--panel);
  border: 1px solid var(--board-line);
  border-radius: 10px;
  padding: 18px 20px;
  max-width: 560px;
}
.setup .row { display: flex; align-items: center; gap: 10px; margin: 10px 0; flex-wrap: wrap; }
.setup label.head { width: 7.5em; color: #6d675b; }
.setup select, .setup input[type="number"], .setup input[type="text"] {
  font-size: 14px; padding: 4px 8px; border: 1px solid var(--board-line); border-radius: 6px; background: #fff;
}
.setup .hint { color: #8a8477; font-size: 12px; margin-top: 2px; }
.setup .hint.warn:not(:empty) { color: #b4482f; font-weight: 600; margin: 6px 0; }

button {
  font-size: 14px; padding: 7px 16px; border-radius: 8px; border: 1px solid var(--board-line);
  background: #fff; cursor: pointer;
}
button.primary { background: var(--p1); border-color: var(--p1-strong); color: #fff; font-weight: 600; }
button:disabled { opacity: 0.45; cursor: default; }
button:not(:disabled):hover { filter: brightness(0.96); }

.game { display: block; }
@media (max-width: 900px) { .game { grid-template-columns: 1fr; } }

.topbar {
  display: flex; align-items: center; gap: 14px; margin-bottom: 10px; flex-wrap: wrap;
}
.turnbadge { font-weight: 700; font-size: 16px; }
.coinhint { color: #7a4a9a; font-weight: 600; font-size: 14px; }
.scorebar { flex: 1; min-width: 220px; }
.scorebar .bar { display: flex; height: 18px; border-radius: 9px; overflow: hidden; border: 1px solid var(--board-line); }
.scorebar .bar .a { background: var(--p1); transition: width 0.4s; }
.scorebar .bar .b { background: var(--p2); transition: width 0.4s; }
.scorebar .bar .n { background: #d9d4c8; transition: width 0.4s; }
.scorebar .nums { display: flex; justify-content: space-between; font-size: 13px; margin-top: 2px; }
.scorebar .nums .a { color: var(--p1-strong); font-weight: 600; }
.scorebar .nums .b { color: var(--p2-strong); font-weight: 600; }

.boardwrap { background: var(--panel); border: 1px solid var(--board-line); border-radius: 10px; padding: 12px; }
svg.board { display: block; width: 100%; height: auto; max-height: calc(100vh - 250px); margin: 0 auto; user-select: none; }
svg.board .cell { stroke: var(--board-line); stroke-width: 1; }
svg.board .cell.sel-target { cursor: pointer; }
svg.board .unit { cursor: pointer; }
svg.board .unit circle { transition: transform 0.05s; }
svg.board g.unitg { transition: transform 0.3s ease; }
svg.board .fx-bounce { animation: shake 0.4s; }
@keyframes shake { 25% { transform: translateX(-3px); } 75% { transform: translateX(3px); } }

.statusline { margin: 8px 2px; min-height: 22px; font-size: 14px; }
.statusline .warn { color: #a34a30; }

.orderbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin: 6px 2px; }
.orderbar .chip {
  border: 1px solid var(--board-line); border-radius: 16px; padding: 3px 12px; background: #fff; font-size: 14px; cursor: pointer;
}
.orderbar .chip.me { border-color: var(--p1-strong); }
.orderbar .chip.set { background: #eef4fb; font-weight: 600; }
.orderbar .chip.selected { outline: 2px solid var(--gold); }

.side { display: flex; flex-direction: column; gap: 12px; }
.panel { background: var(--panel); border: 1px solid var(--board-line); border-radius: 10px; padding: 12px 14px; }
.panel h2 { font-size: 14px; margin: 0 0 8px; color: #6d675b; }
.log { height: 380px; overflow-y: auto; font-size: 13px; line-height: 1.55; }
.log .t { color: #8a8477; font-weight: 600; margin-top: 6px; }
.log .ev { margin-left: 4px; }
.log .ev.bonus { color: #9a7413; font-weight: 600; }
.log .ev.contest { color: #7a4a9a; }
.controls { display: flex; gap: 8px; flex-wrap: wrap; }

.overlay {
  position: fixed; inset: 0; background: rgba(40, 36, 30, 0.55); display: flex; align-items: center; justify-content: center; z-index: 10;
}
.overlay .card {
  background: var(--panel); border-radius: 14px; padding: 28px 36px; text-align: center; min-width: 320px;
  box-shadow: 0 12px 40px rgba(0,0,0,0.3);
}
.overlay .card .big { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.overlay .card .win { color: var(--p1-strong); }
.overlay .card .lose { color: var(--p2-strong); }
.overlay .card .detail { color: #6d675b; margin-bottom: 16px; }
.overlay .card .controls { justify-content: center; }

.kbd { border: 1px solid var(--board-line); border-bottom-width: 2px; border-radius: 4px; padding: 0 5px; background: #fff; font-family: monospace; font-size: 12px; }

/* 3 人対戦 (P3 = 緑) */
.scorebar .bar .c { background: #4f9d63; transition: width 0.4s; }
.scorebar .nums .c { color: #3c7a4c; font-weight: 600; }

/* 3D 表示: タイルの厚み */
svg.board .cellside { stroke: none; }

/* フル 3D (Three.js) */
.threewrap { width: 100%; }
.threewrap canvas { display: block; }

/* 全画面レイアウト: 盤下の操作列 + 折りたたみログ */
.actionbar { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin: 8px 2px; flex-wrap: wrap; }
.actionbar .statusline { margin: 0; flex: 1; min-width: 240px; }
.logpanel { margin-top: 8px; background: var(--panel); border: 1px solid var(--board-line); border-radius: 10px; padding: 8px 14px; }
.logpanel summary { cursor: pointer; color: #6d675b; font-size: 14px; user-select: none; }
.logpanel .log { height: 200px; margin-top: 6px; }

/* 2026-09-07 ②: 遊び方パネル */
.card.howto { max-width: 640px; max-height: 80vh; overflow-y: auto; text-align: left; }
.card.howto h2 { margin: 0 0 8px; }
.card.howto .howto-sec h3 { margin: 12px 0 4px; font-size: 1em; }
.card.howto .howto-sec p { margin: 0 0 4px; line-height: 1.6; }
/* 2026-09-09 ④: 戦評カード（docs/ui_sound_result_2026-09-09.md §1） */
/* 幅は固定しない。次の工程が ⑤ スマホなので、今 560px 固定で書くと必ず書き直しになる。 */
.card.review { width: min(560px, 92vw); max-height: 84vh; overflow-y: auto; text-align: left; padding: 18px 20px; }
.card.review .controls { justify-content: flex-start; margin-bottom: 12px; position: sticky; top: -18px; background: var(--panel); padding: 6px 0; z-index: 1; }
.card.review .big { text-align: center; }
.card.review .big .margin { font-size: 0.7em; color: #6d675b; font-weight: 700; }
.card.review .chartwrap { margin: 10px 0 2px; }
.card.review .caption { font-size: 12px; color: #8a8477; text-align: center; margin-bottom: 10px; }
.card.review svg.chart .zero { stroke: #b8b2a4; stroke-width: 1; }
.card.review svg.chart .edge { fill: none; stroke: rgba(44, 42, 38, 0.45); stroke-width: 1.2; }
.card.review svg.chart .line { fill: none; stroke-width: 1.8; }
.card.review svg.chart .spawnline { stroke: var(--gold); stroke-width: 1; stroke-dasharray: 2 3; opacity: 0.55; }
.card.review svg.chart .up, .card.review svg.chart .dn { opacity: 0.55; }
.card.review svg.chart .star { font-size: 11px; text-anchor: middle; }
.card.review svg.chart .flip { fill: #fff; stroke: var(--ink); stroke-width: 1.2; }
.card.review svg.chart .fliplabel { font-size: 10px; fill: var(--ink); font-weight: 700; }
.card.review svg.chart .axis { font-size: 9px; fill: #8a8477; }

.card.review .splits { display: flex; flex-direction: column; gap: 5px; margin: 8px 0 10px; }
.card.review .split { display: grid; grid-template-columns: 3.4em 1fr; gap: 6px; align-items: center; font-size: 12px; }
.card.review .split .who { color: #6d675b; }
.card.review .split.me .who { font-weight: 700; color: var(--ink); }
.card.review .split .bar { grid-column: 2; display: flex; height: 12px; border-radius: 6px; overflow: hidden; background: var(--neutral); }
.card.review .split .bar i { display: block; height: 100%; }
.card.review .split .bar .bonus { background: var(--gold); }
.card.review .split .num { grid-column: 2; color: #6d675b; }

.card.review .verdict { margin: 10px 0; padding: 8px 10px; background: var(--neutral); border-radius: 8px; line-height: 1.6; }
.card.review .tally { display: grid; grid-template-columns: 2.4em 1fr; gap: 2px 6px; font-size: 12px; color: #6d675b; margin-bottom: 8px; }
.card.review .tally .who { font-weight: 700; }
.card.review .lifetime { font-size: 12px; color: #8a8477; }
/* 「盤を見る」: カードだけでなく暗幕も外さないと、盤が見えず回せない。
   ボタン行は盤に被らないよう画面の下端へ寄せる（中央に残すと盤の下 1/3 を隠す）。 */
.overlay.peek { background: transparent; pointer-events: none; align-items: flex-end; padding-bottom: 12px; }
.overlay.peek .card.review > *:not(.controls) { display: none; }
.overlay.peek .card.review { background: transparent; box-shadow: none; pointer-events: none; }
.overlay.peek .card.review .controls { pointer-events: auto; border-radius: 10px; padding: 6px 8px; box-shadow: 0 6px 20px rgba(0,0,0,0.25); }

/* 2026-09-07 ①: ホットシートの手番交代（前の人の命令が透けないよう不透明） */
.overlay.handover { background: #f3efe6; }

/* 2026-09-13 ⑤ スマホ（docs/pwa_mobile_proposal §7）。判定線: 375px で横スクロールなし、ボタン 44px、10×10 のマス 32px */
body { touch-action: manipulation; }            /* ダブルタップ拡大を止める（キャンバスは none のまま） */
svg.board { max-height: calc(100dvh - 250px); }  /* dvh を知らないブラウザは上の vh の行が残る */
.card.howto { max-height: 80dvh; }
.card.review { max-height: 84dvh; }
.actionbar .controls button.on { background: #eef4fb; border-color: var(--p1-strong); font-weight: 600; }

/* 指で押せる大きさ（タッチ端末だけ）。16px は iOS の入力欄の自動ズーム防止を兼ねる */
@media (pointer: coarse) {
  button { min-height: 44px; padding: 10px 16px; font-size: 16px; }
  .setup select, .setup input[type="number"], .setup input[type="text"] { min-height: 44px; font-size: 16px; padding: 6px 10px; }
  .logpanel summary { min-height: 44px; display: flex; align-items: center; }
  .setup input[type="checkbox"] { width: 26px; height: 26px; margin: 9px 6px; }  /* 44px の当たりに */
  .card.review .controls button { min-height: 44px; }
}

/* 縦持ちの狭い画面: 盤を主役に、操作列は画面下に固定、設定はラベルを上に */
@media (max-width: 640px) {
  #app { padding: 6px; }
  h1 { font-size: 18px; margin: 2px 0 8px; }
  h1 small { display: block; margin-left: 0; font-size: 12px; }
  .setup { padding: 12px; max-width: none; }
  .setup .row { gap: 6px; }
  .setup label.head { width: 100%; }
  .setup .row > span { width: 100%; color: #6d675b; font-size: 13px; }
  .setup select, .setup input[type="text"], .setup input[type="number"] { width: 100%; max-width: 100%; }
  .setup .row > button { flex: 1 1 auto; }
  .topbar { gap: 8px; margin-bottom: 6px; }
  .boardwrap { padding: 4px; }
  .actionbar {
    position: sticky; bottom: 0; z-index: 5; background: var(--paper);
    margin: 4px 0 0; padding: 6px 0 calc(6px + env(safe-area-inset-bottom));
  }
  .actionbar .statusline { min-width: 0; flex-basis: 100%; font-size: 13px; min-height: 18px; }
  .actionbar .controls { width: 100%; }
  .actionbar .controls button { flex: 1 1 auto; padding-left: 8px; padding-right: 8px; }
  .actionbar .controls button.primary { flex: 1 1 100%; order: -1; }
  .overlay .card { min-width: 0; width: min(560px, 94vw); padding: 18px 14px; }
  .overlay .card .controls { flex-wrap: wrap; }
}

/* 2026-09-13: 局の途中で BGM を切る小さなボタン（上の帯の右端）。タッチでも 44px までは要らない */
.topbar .bgmbtn { margin-left: auto; font-size: 13px; padding: 4px 10px; min-height: 30px; color: #6d675b; }
@media (pointer: coarse) { .topbar .bgmbtn { min-height: 36px; font-size: 14px; } }

/* 2026-09-14 オンライン対戦（docs/online_play_proposal §3）: 設定の箱・ロビー・残り秒・接続の注意・待機カード */
.setup.online { margin-top: 12px; }
.setup.online h2 { font-size: 16px; margin: 0 0 6px; }
.lobby { margin: 4px 0 6px; font-size: 13px; }
.lobbyrow { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 6px 0; border-top: 1px solid var(--board-line); }
.lobbyrow .who { font-weight: 600; }
.lobbyrow .what { color: #6d675b; flex: 1; min-width: 160px; }
/* 購入（docs/domain_polar_plan §2.5）: 鍵の入力・購入・購入履歴。鍵が要らない設定では出ない（hidden 属性） */
.setup.online .license { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 4px 0 6px; }
.setup.online .license[hidden] { display: none; }
.setup.online .license .hint { flex-basis: 100%; margin: 0; }
.setup.online .license input { max-width: 100%; }
.turntimer { font-weight: 700; color: #6d675b; font-variant-numeric: tabular-nums; }
.turntimer.urgent { color: #b4482f; }
.nethint { color: #b4482f; font-weight: 600; font-size: 13px; }
.card.waiting .roomcode { font-size: 34px; font-weight: 800; letter-spacing: 0.12em; margin: 6px 0; font-family: ui-monospace, Consolas, monospace; }
.card.waiting .seats { margin: 8px 0; color: #6d675b; line-height: 1.6; }
.card.waiting .detail { max-width: 420px; }