/* 6 Nimmt! — 白い卓上。カードの数字と牛頭が主役 */

:root {
  --paper: #faf9f6;
  --table: #f3f1ec;
  --ink: #1c1a17;
  --ink-soft: #6f6a61;
  --line: #e2ded6;
  --card-face: #fffdf9;
  --accent: #c2452d;          /* 牛の赤 */
  --accent-deep: #8e2f1d;
  --b1: #a8a29a;              /* 1牛頭 */
  --b2: #4a7ab5;              /* 2牛頭 */
  --b3: #d19a2f;              /* 3牛頭 */
  --b5: #c2452d;              /* 5牛頭 */
  --b7: #7a3fa0;              /* 7牛頭 55専用 */
  --shadow: 0 1px 2px rgba(28, 26, 23, .08), 0 6px 18px rgba(28, 26, 23, .10);
  --font-num: "Bricolage Grotesque", "Zen Kaku Gothic New", sans-serif;
  --font-jp: "Zen Kaku Gothic New", sans-serif;

  /* カード寸法。#game 側で画面サイズから再計算する */
  --cw: 74px;
  --ch: 104px;
  --row-meta-w: 54px;
  --slot-gap: 8px;
  --row-gap: 12px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
body {
  font-family: var(--font-jp);
  color: var(--ink);
  background:
    radial-gradient(1200px 600px at 50% -10%, #fffefb 0%, var(--paper) 60%),
    var(--paper);
  overflow: hidden;
  -webkit-text-size-adjust: 100%;
  -webkit-tap-highlight-color: transparent;
}
button, a { touch-action: manipulation; }

/* ---------- overlays ---------- */
.overlay {
  position: fixed; inset: 0; z-index: 50;
  height: 100vh; height: 100dvh;
  display: flex; align-items: center; justify-content: center;
  overflow-y: auto; overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
  padding: 24px 16px;
  padding-bottom: max(24px, env(safe-area-inset-bottom));
  background: rgba(250, 249, 246, .82);
  backdrop-filter: blur(6px);
}
.overlay[hidden] { display: none; }

.dialog {
  /* margin:auto で中央寄せ。align-items:center だと縦に溢れた時に上が切れる */
  margin: auto;
  width: 100%; max-width: 520px;
  background: var(--card-face);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 28px 32px;
  text-align: center;
  animation: pop .28s cubic-bezier(.2, 1.4, .4, 1);
}
.dialog h2 { font-size: 20px; margin-bottom: 8px; }
.dialog p { color: var(--ink-soft); font-size: 14px; }
@keyframes pop { from { transform: scale(.92); opacity: 0; } }

/* ---------- start ---------- */
.start-card {
  margin: auto; width: 100%; max-width: 660px;
  text-align: center; animation: pop .4s cubic-bezier(.2, 1.4, .4, 1);
}
.start-kicker {
  font-family: var(--font-num); font-size: 12px; letter-spacing: .18em;
  text-transform: uppercase; color: var(--ink-soft); margin-bottom: 18px;
}
.start-title {
  font-family: var(--font-num); font-weight: 800; font-size: clamp(64px, 12vw, 128px);
  line-height: .95; letter-spacing: -.03em;
}
.start-title span { color: var(--accent); }
.start-sub { margin-top: 10px; color: var(--ink-soft); font-size: 15px; }
.start-buttons { display: flex; gap: 16px; justify-content: center; margin-top: 36px; }
.btn-mode {
  font-family: var(--font-num); cursor: pointer;
  background: var(--card-face); color: var(--ink);
  border: 1.5px solid var(--ink); border-radius: 14px;
  padding: 18px 28px; min-width: 180px;
  box-shadow: 0 3px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn-mode:hover { transform: translateY(-2px); box-shadow: 0 5px 0 var(--ink); }
}
.btn-mode:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--ink); }
.mode-n { display: block; font-size: 30px; font-weight: 800; }
.mode-n i { font-style: normal; font-size: 16px; color: var(--accent); padding: 0 4px; }
.mode-d { display: block; margin-top: 6px; font-size: 12px; color: var(--ink-soft); }
.start-rule { margin-top: 30px; font-size: 12.5px; color: var(--ink-soft); }

/* ---------- layout ---------- */
/*
 * カード寸法は「横に5枚並ぶか」と「縦に6枚ぶん(4行+場+手札)入るか」の
 * 小さい方で決める。--vchrome / --hchrome はカード以外が食う固定分。
 */
#game {
  --vchrome: 250px;
  --hchrome: 96px;
  --vslots: 6;   /* 縦に積むカード数: 4行 + 場出し + 手札 */
  --ch-base: max(40px, min(104px,
        (100vh - var(--vchrome)) / var(--vslots),
        ((100vw - var(--hchrome)) / 5 - var(--slot-gap)) * 1.4));
  --ch-base: max(40px, min(104px,
        (100dvh - var(--vchrome)) / var(--vslots),
        ((100vw - var(--hchrome)) / 5 - var(--slot-gap)) * 1.4));
  --ch: var(--ch-base);
  --cw: calc(var(--ch) / 1.4);
  height: 100vh; height: 100dvh;
  display: flex; flex-direction: column;
}
#game[hidden] { display: none; }

#topbar {
  display: flex; align-items: center; gap: 24px; flex-shrink: 0;
  padding: 14px 26px; border-bottom: 1px solid var(--line);
  padding-top: max(14px, env(safe-area-inset-top));
  background: rgba(255, 253, 249, .7);
}
.brand { font-family: var(--font-num); font-weight: 800; font-size: 18px; }
.brand::after { content: ""; display: inline-block; width: 8px; height: 8px;
  background: var(--accent); border-radius: 50%; margin-left: 8px; vertical-align: 2px; }
#deal-label {
  font-family: var(--font-num); font-size: 12px; letter-spacing: .14em;
  color: var(--ink-soft);
}
#scores { margin-left: auto; display: flex; gap: 18px; min-width: 0; }
.score {
  min-width: 132px; padding: 6px 12px 8px;
  border: 1px solid var(--line); border-radius: 10px; background: var(--card-face);
}
.score.human { border-color: var(--ink); }
.score-name {
  font-size: 11px; color: var(--ink-soft);
  display: flex; justify-content: space-between; gap: 6px; min-width: 0;
}
.score-name b { color: var(--ink); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.score-name span { white-space: nowrap; }
.score-num { font-family: var(--font-num); font-weight: 700; font-size: 20px; line-height: 1.1; }
.score-num small { font-size: 11px; color: var(--ink-soft); font-weight: 500; margin-left: 4px; }
.gauge { height: 4px; background: var(--line); border-radius: 2px; margin-top: 5px; overflow: hidden; }
.gauge i { display: block; height: 100%; background: var(--accent); border-radius: 2px;
  transition: width .6s cubic-bezier(.3, 1, .4, 1); }
.score.danger .score-num { color: var(--accent-deep); }

/* ---------- table ---------- */
#table {
  flex: 1; min-height: 0; position: relative;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  justify-content: safe center;
  overflow: auto;
  gap: 14px; padding: 18px 20px 6px;
  background:
    radial-gradient(900px 420px at 50% 40%, var(--table) 0%, transparent 75%);
}
#rows { display: flex; flex-direction: column; gap: var(--row-gap); flex-shrink: 0; }
.row { display: flex; align-items: center; gap: 10px; }
.row-meta {
  width: var(--row-meta-w); text-align: right; font-family: var(--font-num);
  font-size: 11px; color: var(--ink-soft); letter-spacing: .08em;
}
.row-meta b { display: block; font-size: 15px; color: var(--ink); }
.row-slots { display: flex; gap: var(--slot-gap); }
.slot {
  width: var(--cw); height: var(--ch); flex: none;
  border: 1.5px dashed var(--line); border-radius: 10px;
}
.slot.six { border-color: var(--accent); opacity: .55; position: relative; }
.slot.six::after {
  content: "6"; position: absolute; inset: 0; display: grid; place-items: center;
  font-family: var(--font-num); font-weight: 800; color: var(--accent);
  font-size: calc(var(--cw) * .3);
}

/* ---------- card ---------- */
.card {
  width: var(--cw); height: var(--ch); flex: none;
  background: var(--card-face);
  border: 1px solid #d9d4ca;
  border-radius: 10px;
  box-shadow: var(--shadow);
  position: relative;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-num);
  user-select: none;
}
.card .num {
  font-size: max(15px, calc(var(--cw) * .405));
  font-weight: 750; letter-spacing: -.02em;
}
.card .bulls {
  position: absolute; top: calc(var(--ch) * .058); left: 0; right: 0;
  display: flex; justify-content: center; gap: calc(var(--cw) * .034);
}
.card .bulls i {
  width: max(4px, calc(var(--cw) * .095)); height: max(4px, calc(var(--cw) * .095));
  border-radius: 50% 50% 42% 42%;
  background: var(--bc, var(--b1));
}
.card .bhead {
  position: absolute; bottom: calc(var(--ch) * .048); right: calc(var(--cw) * .108);
  font-size: max(8px, calc(var(--cw) * .149)); font-weight: 700; color: var(--bc, var(--b1));
}
.card[data-tier="2"] { --bc: var(--b2); }
.card[data-tier="3"] { --bc: var(--b3); }
.card[data-tier="5"] { --bc: var(--b5); border-color: color-mix(in srgb, var(--b5) 45%, #d9d4ca); }
.card[data-tier="7"] { --bc: var(--b7); border-color: var(--b7);
  background: linear-gradient(160deg, #fffdf9 55%, #f4ebfa); }

/* ---------- reveal strip ---------- */
#reveal-strip {
  min-height: calc(var(--ch) + 34px); flex-shrink: 0;
  display: flex; gap: 18px; align-items: flex-start; justify-content: center;
  flex-wrap: wrap;
}
.reveal-item { text-align: center; animation: dealin .3s cubic-bezier(.2, 1.3, .4, 1) backwards; }
.reveal-item .who { font-size: 11px; color: var(--ink-soft); margin-bottom: 5px; }
.reveal-item .who.me { color: var(--accent); font-weight: 700; }
.reveal-item .card.resolved { opacity: .28; box-shadow: none; }
@keyframes dealin { from { transform: translateY(14px) scale(.9); opacity: 0; } }

/* 飛んでいくカードのクローン */
.fly {
  position: fixed; z-index: 40; margin: 0;
  transition: transform .5s cubic-bezier(.45, .05, .2, 1);
  will-change: transform;
}
.taken-flash { animation: takeflash .55s ease; }
@keyframes takeflash {
  0% { box-shadow: 0 0 0 3px var(--accent); }
  100% { box-shadow: var(--shadow); }
}
.pts-float {
  position: fixed; z-index: 45; font-family: var(--font-num);
  font-weight: 800; font-size: 24px; color: var(--accent-deep);
  animation: ptsup 1s ease forwards; pointer-events: none;
}
@keyframes ptsup { to { transform: translateY(-46px); opacity: 0; } }

/* ---------- hand ---------- */
#handzone {
  padding: 4px 20px 26px; text-align: center; flex-shrink: 0;
  padding-bottom: max(26px, env(safe-area-inset-bottom));
}
#hint { font-size: 12.5px; color: var(--ink-soft); min-height: 20px; margin-bottom: 6px; }
#hint.wait { color: var(--accent-deep); }
#hand {
  /* 手札はテーブルより小さくして、重ね幅も枚幅比で決める。
     こうしないと狭い画面で数字が隣のカードに隠れる */
  --ch: calc(var(--ch-base) * var(--hand-scale, 1));
  --cw: calc(var(--ch) / 1.4);
  --hand-overlap: min(
    var(--cw) * -.12,
    (100vw - var(--hand-pad, 40px) - 10 * var(--cw)) / 18);
  display: flex; justify-content: center; align-items: flex-end;
}
#hand .card {
  cursor: pointer; margin: 0 var(--hand-overlap);
  touch-action: manipulation;
  transition: transform .16s ease, box-shadow .16s ease;
  transform: translateY(calc(var(--fan, 0px) * var(--fan-scale, 1))) rotate(var(--rot, 0deg));
}
@media (hover: hover) and (pointer: fine) {
  #hand .card:hover {
    transform: translateY(-16px) rotate(0deg) scale(1.06);
    z-index: 5; box-shadow: 0 4px 8px rgba(28,26,23,.12), 0 14px 30px rgba(28,26,23,.16);
  }
}
#hand .card:active {
  transform: translateY(-14px) rotate(0deg) scale(1.05);
  z-index: 5; box-shadow: 0 4px 8px rgba(28,26,23,.12), 0 14px 30px rgba(28,26,23,.16);
}
#hand.locked .card { pointer-events: none; filter: saturate(.7); opacity: .75; }

/* ---------- row pick ---------- */
#rowpick-buttons { display: flex; flex-direction: column; gap: 8px; margin-top: 16px; }
.btn-row {
  font-family: var(--font-jp); font-size: 14px; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 10px 16px; border: 1px solid var(--line); border-radius: 10px;
  background: var(--card-face);
  transition: border-color .12s, transform .12s;
}
@media (hover: hover) and (pointer: fine) {
  .btn-row:hover { border-color: var(--ink); transform: translateX(3px); }
}
.btn-row:active { border-color: var(--ink); }
.btn-row > span:first-child { min-width: 0; text-align: left; overflow-wrap: anywhere; }
.btn-row .pts { font-family: var(--font-num); font-weight: 800; font-size: 18px; color: var(--accent-deep); flex: none; }

/* ---------- result ---------- */
#result-body { margin: 14px 0 20px; }
.res-line {
  display: flex; justify-content: space-between; gap: 30px;
  padding: 7px 4px; border-bottom: 1px dashed var(--line); font-size: 14px;
}
.res-line .n { font-family: var(--font-num); font-weight: 700; }
.res-line.winner { color: var(--accent-deep); font-weight: 700; }
.btn-primary {
  font-family: var(--font-jp); font-weight: 700; font-size: 14px; cursor: pointer;
  background: var(--ink); color: var(--paper); border: none; border-radius: 10px;
  padding: 12px 34px;
  transition: transform .12s ease, opacity .12s;
}
@media (hover: hover) and (pointer: fine) {
  .btn-primary:hover { transform: translateY(-1px); opacity: .92; }
}
.btn-primary:active { transform: translateY(1px); opacity: .92; }

/* ---------- start: about ---------- */
.start-about { margin-top: 44px; }
.facts {
  display: flex; gap: 14px; justify-content: center;
}
.fact {
  width: 176px; padding: 16px 12px 14px;
  background: var(--card-face); border: 1px solid var(--line); border-radius: 12px;
  box-shadow: 0 1px 2px rgba(28,26,23,.05);
  transform: rotate(-1.2deg);
}
.fact:nth-child(2) { transform: rotate(.6deg) translateY(4px); }
.fact:nth-child(3) { transform: rotate(1.8deg); }
.fact-n {
  font-family: var(--font-num); font-weight: 800; font-size: 30px; letter-spacing: -.02em;
  color: var(--ink);
}
.fact-n i { font-style: normal; font-size: 13px; font-weight: 700; color: var(--accent); margin-left: 3px; }
.fact-d { margin-top: 6px; font-size: 11px; line-height: 1.6; color: var(--ink-soft); }
.btn-repo {
  display: inline-flex; align-items: center; gap: 9px; max-width: 100%;
  margin-top: 22px; padding: 11px 22px;
  font-family: var(--font-jp); font-size: 13px; color: var(--ink); text-decoration: none;
  background: var(--card-face); border: 1.5px solid var(--ink); border-radius: 999px;
  box-shadow: 0 2px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
}
@media (hover: hover) and (pointer: fine) {
  .btn-repo:hover { transform: translateY(-2px); box-shadow: 0 4px 0 var(--ink); }
}
.btn-repo b { font-family: var(--font-num); font-weight: 800; }
.btn-repo svg { flex: none; }
.start-credit { margin-top: 18px; font-size: 11px; color: var(--ink-soft); opacity: .75; }

/* ---------- ask AI ---------- */
.ask-ai { margin-top: 30px; }
.ask-ai-t { font-size: 12.5px; color: var(--ink-soft); margin-bottom: 10px; }
.ask-ai-btns { display: flex; gap: 10px; justify-content: center; flex-wrap: wrap; }
.btn-ai {
  font-family: var(--font-num); font-weight: 700; font-size: 13px;
  color: var(--ink); text-decoration: none;
  padding: 8px 18px; border: 1px solid var(--line); border-radius: 999px;
  background: var(--card-face);
  transition: border-color .12s, transform .12s;
}
@media (hover: hover) and (pointer: fine) {
  .btn-ai:hover { border-color: var(--ink); transform: translateY(-2px); }
}
.btn-ai:active { border-color: var(--ink); }

/* ============ responsive ============ */

/* タブレット〜小型ノート */
@media (max-width: 860px) {
  #topbar { gap: 14px; padding-left: 16px; padding-right: 16px; }
  #scores { gap: 8px; }
  .score { min-width: 96px; padding: 5px 9px 7px; }
  .score-num { font-size: 17px; }
  #table { padding: 14px 12px 4px; }
  .row { gap: 8px; }
  #game { --hchrome: 84px; --row-meta-w: 46px; --slot-gap: 7px; --row-gap: 10px; }
  #reveal-strip { gap: 12px; }
}

/* スマホ（縦の狭い横向きも含む） */
@media (max-width: 620px), (max-height: 520px) {
  /* 上下2段: 1段目=ブランドとディール表示、2段目=スコア横並び */
  #game {
    --vchrome: 224px; --hchrome: 70px;
    --row-meta-w: 38px; --slot-gap: 5px; --row-gap: 8px;
    --hand-scale: .82; --hand-pad: 20px; --fan-scale: .5;
  }
  #topbar {
    flex-wrap: wrap; gap: 6px 10px;
    padding: 8px 10px; padding-top: max(8px, env(safe-area-inset-top));
  }
  .brand { font-size: 15px; }
  .brand::after { width: 6px; height: 6px; margin-left: 6px; }
  #deal-label { font-size: 10px; letter-spacing: .1em; margin-left: auto; }
  #scores { width: 100%; margin-left: 0; gap: 5px; }
  .score { flex: 1 1 0; min-width: 0; padding: 4px 6px 5px; border-radius: 8px; }
  .score-name { font-size: 9px; gap: 3px; }
  .score-num { font-size: 14px; }
  .score-num small { font-size: 8.5px; margin-left: 2px; }
  .gauge { height: 3px; margin-top: 3px; }

  #table { padding: 10px 8px 2px; gap: 8px; }
  .row { gap: 6px; }
  .row-meta { font-size: 8.5px; letter-spacing: .04em; line-height: 1.3; }
  .row-meta b { font-size: 11px; }
  #reveal-strip { gap: 8px; min-height: calc(var(--ch) + 26px); }
  .reveal-item .who { font-size: 9.5px; margin-bottom: 3px; }

  #handzone { padding-left: 10px; padding-right: 10px; }
  #hint { font-size: 11.5px; margin-bottom: 4px; }
  .pts-float { font-size: 19px; }

  /* --- スタート画面 --- */
  .overlay { padding: 18px 14px; padding-bottom: max(18px, env(safe-area-inset-bottom)); }
  .start-kicker { font-size: 10px; letter-spacing: .14em; margin-bottom: 10px; }
  .start-title { font-size: clamp(56px, 19vw, 92px); }
  .start-sub { margin-top: 8px; font-size: 13px; }
  .start-buttons { margin-top: 24px; gap: 10px; }
  .btn-mode { min-width: 0; flex: 1 1 0; padding: 13px 8px; border-radius: 12px; }
  .mode-n { font-size: 23px; }
  .mode-n i { font-size: 13px; padding: 0 3px; }
  .mode-d { margin-top: 4px; font-size: 10px; }
  .start-rule { margin-top: 20px; font-size: 11px; line-height: 1.6; }

  .ask-ai { margin-top: 24px; }
  .ask-ai-t { font-size: 11.5px; }
  .ask-ai-btns { gap: 8px; }
  .btn-ai { font-size: 12px; padding: 7px 14px; }

  .start-about { margin-top: 30px; }
  .facts { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; }
  .fact { width: auto; padding: 12px 10px 11px; }
  .fact:nth-child(3) { grid-column: 1 / -1; }
  .fact-n { font-size: 24px; }
  .fact-n i { font-size: 11px; }
  .fact-d { font-size: 10.5px; line-height: 1.55; }
  .btn-repo {
    margin-top: 18px; padding: 10px 16px; font-size: 12px;
    border-radius: 16px; text-align: left; line-height: 1.5;
  }
  .start-credit { margin-top: 14px; font-size: 10.5px; line-height: 1.6; }

  /* --- ダイアログ --- */
  .dialog { padding: 20px 16px; border-radius: 14px; }
  .dialog h2 { font-size: 17px; }
  .dialog p { font-size: 12.5px; line-height: 1.6; }
  .btn-row { font-size: 12.5px; gap: 10px; padding: 9px 12px; }
  .btn-row .pts { font-size: 15px; }
  .res-line { gap: 12px; font-size: 13px; }
  .btn-primary { padding: 12px 26px; }
}

/* 極小幅。スコア名が省略されるので「今回 +N」を2行目へ落とす */
@media (max-width: 360px) {
  #game { --vchrome: 238px; }
  .score-name { display: block; }
  .score-name span { display: block; font-size: 8.5px; }
}

/* 横向きスマホなど、極端に縦が短い画面。
   縦が足りず横は余るので、トップバーを1段に戻し、場出し列を行の横へ回す */
@media (max-height: 520px) and (orientation: landscape) {
  #game { --vchrome: 126px; --vslots: 5; --fan-scale: .35; }
  #topbar { flex-wrap: nowrap; gap: 10px; padding-top: 6px; padding-bottom: 6px; }
  #deal-label { margin-left: 0; white-space: nowrap; }
  #scores { width: auto; margin-left: auto; flex-wrap: nowrap; }
  .score { flex: 0 1 auto; min-width: 72px; }
  #table { flex-direction: row; align-items: center; gap: 16px; padding: 6px 10px 2px; }
  #reveal-strip {
    flex-wrap: nowrap; gap: 8px;
    min-width: calc(var(--cw) * 3.4); min-height: 0;
  }
  #handzone { padding-top: 2px; padding-bottom: max(12px, env(safe-area-inset-bottom)); }
  #hint { min-height: 16px; font-size: 11px; margin-bottom: 2px; }
}