/* 遊び方ページ（/modes/）。トップの styles.css とは独立させ、同じトークンを使う */
/* Layout: トップと同じ夜のアリーナ。3 つの遊び方を、見出し・2 文・絵の場面として左右交互に置く */
:root {
  --night-deep: #070B1C;
  --night: #0D1433;
  --night-panel: #16204A;
  --moon: #F4F1E6;
  --moon-sub: #AAB3D0;
  --moon-faint: #6F789E;
  --brass: #E4B34C;
  --brass-bright: #FFD36B;
  --brass-old: #9C7322;
  --ally: #2E7DD1;
  --line: rgba(170, 179, 208, .16);

  --font-display: "Kaisei Opti", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", system-ui, sans-serif;

  --card-w: clamp(50px, 7vw, 76px);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--night-deep); }
body {
  margin: 0;
  background: var(--night-deep);
  color: var(--moon);
  font-family: var(--font-body);
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, p { margin: 0; }
a { color: var(--brass-bright); text-underline-offset: 4px; }
a:focus-visible { outline: 2px solid var(--brass-bright); outline-offset: 3px; border-radius: 4px; }
img { display: block; max-width: 100%; height: auto; }

.band { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
.inner { max-width: 1000px; margin-inline: auto; }

/* ---------- カード（ゲームと同じ SVG） ---------- */
.card {
  display: block;
  width: var(--card-w);
  aspect-ratio: 240 / 334;
  background: center / contain no-repeat;
  filter: drop-shadow(0 6px 10px rgba(0, 0, 0, .55));
}
.card.c-8c { background-image: url("/images/cards/8c.svg"); }
.card.c-9c { background-image: url("/images/cards/9c.svg"); }
.card.c-jh { background-image: url("/images/cards/jh.svg"); }
.card.c-js { background-image: url("/images/cards/js.svg"); }
.card.c-qc { background-image: url("/images/cards/qc.svg"); }
.card.c-qs { background-image: url("/images/cards/qs.svg"); }
.pair { display: flex; gap: 4px; position: relative; padding-bottom: 12px; }
.pair::after {
  content: "";
  position: absolute; left: 8%; right: 8%; bottom: 0;
  height: 3px; border-radius: 3px;
  background: var(--ally);
  box-shadow: 0 0 14px var(--ally);
}
.pair .card:first-child { transform: rotate(-5deg); }
.pair .card:last-child { transform: rotate(5deg) translateY(2px); }

/* ---------- 頭 ---------- */
.top {
  padding-block: 28px 72px;
  text-align: center;
  background:
    radial-gradient(36% 80% at 50% -20%, rgba(255, 211, 107, .22), transparent 72%),
    linear-gradient(180deg, var(--night-deep), var(--night) 80%, var(--night-deep));
}
.top nav { display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: left; }
.top nav img { width: 180px; }
.top nav a.back { font-size: .86rem; color: var(--moon-sub); text-decoration: none; }
.top nav a.back:hover { color: var(--moon); }
.top h1 {
  margin-top: 64px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.7rem, 1rem + 3vw, 2.9rem);
  letter-spacing: .06em;
  line-height: 1.45;
  text-wrap: balance;
}
.top h1 span { display: inline-block; }
.top .lead { margin: 20px auto 0; max-width: 32rem; color: var(--moon-sub); text-wrap: balance; }

/* ---------- 場面 ---------- */
.way { position: relative; isolation: isolate; padding-block: 80px; }
.way::before {
  content: "";
  position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(40% 70% at var(--light-x, 70%) 0%, rgba(255, 211, 107, .08), transparent 70%);
}
.way .inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 40px 64px;
  align-items: center;
}
.way.flip { --light-x: 30%; }
.way.flip .text { order: 2; }
.text { min-width: 0; display: grid; gap: 14px; justify-items: start; }
.label { font-size: .84rem; font-weight: 700; letter-spacing: .14em; color: var(--brass); }
.way h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.5rem, 1.1rem + 1.6vw, 2.2rem);
  line-height: 1.5;
  letter-spacing: .04em;
}
.way h2 span { display: inline-block; }
.text p { color: var(--moon-sub); max-width: 26rem; }
.modes { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }
.modes span {
  font-size: .82rem;
  font-weight: 700;
  padding: 3px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--moon);
}
.visual { min-width: 0; display: flex; justify-content: center; }

/* チームで: 味方 3 組が 1 本の線でつながる */
.team { display: flex; gap: clamp(10px, 3vw, 28px); }

/* ひとりで: 80BB から 200BB へ */
.run { display: grid; justify-items: center; gap: 18px; }
.run .goal {
  display: flex; align-items: baseline; gap: 18px;
  font-family: var(--font-display);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  line-height: 1;
}
.run .from { font-size: clamp(1.6rem, 1rem + 2vw, 2.4rem); color: var(--moon-sub); }
.run .arrow { font-size: 1.4rem; color: var(--brass); }
.run .to { font-size: clamp(2.6rem, 1.6rem + 3.6vw, 4.2rem); color: var(--brass-bright); text-shadow: 0 0 30px rgba(255, 211, 107, .25); }
.run .bar { width: min(320px, 100%); height: 4px; border-radius: 4px; background: linear-gradient(90deg, var(--moon-faint) 0 40%, var(--brass-bright) 40% 100%); opacity: .8; }

/* 仲間と: ルーム番号で集まる */
.room { display: grid; justify-items: center; gap: 14px; }
.room .cells { display: flex; gap: 6px; }
.room .cells span {
  width: clamp(36px, 6vw, 48px);
  aspect-ratio: 4 / 5;
  display: grid; place-items: center;
  border-radius: 8px;
  background: var(--night-panel);
  border: 1px solid rgba(228, 179, 76, .4);
  box-shadow: inset 0 2px 6px rgba(0, 0, 0, .45);
  font-weight: 800;
  font-size: clamp(1.1rem, .8rem + 1vw, 1.5rem);
  font-variant-numeric: tabular-nums;
}
.room .cells span:nth-child(3) { margin-right: 8px; }
.room .caption { font-size: .82rem; color: var(--moon-faint); letter-spacing: .06em; }

/* ---------- 尾 ---------- */
.end { padding-block: 72px; border-top: 1px solid var(--line); text-align: center; display: grid; justify-items: center; gap: 20px; }
.status {
  padding: 8px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: .9rem;
  color: var(--moon-sub);
  letter-spacing: .06em;
}
.end .chips { font-size: .84rem; color: var(--moon-faint); }

footer { padding-block: 24px 32px; border-top: 1px solid var(--line); color: var(--moon-faint); font-size: .8rem; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 20px; }
footer .legal { display: flex; flex-wrap: wrap; gap: 8px 20px; }
footer .legal a { color: var(--moon-faint); }
footer .legal a:hover { color: var(--moon); }

@media (max-width: 720px) {
  .way { padding-block: 56px; }
  .way .inner { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .way.flip .text { order: 0; }
  .top h1 { margin-top: 44px; }
  .top nav img { width: 150px; }
}