/* SHIKAKU BRAIN REST
   既存SHIKAKUの色（黒・生成り・金）をそのまま使う。
   休むための画面なので、動くものを増やさない。文字も詰め込まない。 */
:root {
  color-scheme: dark;
  --br-black: #030405;
  --br-ink: #0a0d12;
  --br-panel: rgba(12, 15, 20, 0.72);
  --br-paper: #f7f4ee;
  --br-muted: rgba(247, 244, 238, 0.62);
  --br-faint: rgba(247, 244, 238, 0.34);
  --br-line: rgba(200, 164, 93, 0.24);
  --br-soft: rgba(247, 244, 238, 0.1);
  --br-gold: #c8a45d;
  --br-tap: 48px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--br-black);
  color: var(--br-paper);
  font-family: Inter, "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  font-feature-settings: "palt" 1;
  line-height: 1.75;
}

a { color: inherit; text-decoration: none; }
button, input { color: inherit; font: inherit; -webkit-tap-highlight-color: transparent; }
img, video { max-width: 100%; display: block; }

.br-skip {
  position: absolute; left: -9999px; top: 0;
}
.br-skip:focus { left: 12px; top: 12px; z-index: 99; background: var(--br-ink); padding: 10px 16px; border: 1px solid var(--br-line); border-radius: 8px; }

/* ---------------------------------------------------------------- 上の帯 */
.br-top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px clamp(14px, 4vw, 40px);
  background: rgba(3, 4, 5, 0.82);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--br-soft);
}
.br-top-left { display: flex; align-items: center; gap: 10px; min-width: 0; }
.br-back {
  display: inline-flex; align-items: center; gap: 7px;
  min-height: 40px; padding: 0 12px;
  border: 1px solid var(--br-soft); border-radius: 999px;
  font-size: 0.72rem; letter-spacing: 0.08em; color: var(--br-muted);
  white-space: nowrap;
}
.br-back:hover, .br-back:focus-visible { border-color: var(--br-line); color: var(--br-paper); }
.br-lang { display: flex; align-items: center; gap: 4px; border: 1px solid var(--br-soft); border-radius: 999px; padding: 3px; }
.br-lang button {
  /* 指で押す部分は44px以上。34pxにしていたら実機幅の確認で小さすぎると出た */
  border: 0; background: transparent; border-radius: 999px;
  min-width: 46px; min-height: 44px; padding: 0 8px;
  font-size: 0.72rem; letter-spacing: 0.08em; color: var(--br-faint); cursor: pointer;
}
.br-lang button.is-active { background: rgba(200, 164, 93, 0.15); color: var(--br-gold); }

/* ---------------------------------------------------------------- 見出し */
.br-hero {
  padding: clamp(28px, 7vw, 72px) clamp(18px, 5vw, 48px) clamp(18px, 4vw, 34px);
  max-width: 1080px; margin: 0 auto;
}
.br-kicker { margin: 0 0 12px; font-size: 0.68rem; letter-spacing: 0.34em; color: var(--br-gold); }
.br-hero h1 {
  margin: 0 0 14px;
  font-size: clamp(2rem, 8.5vw, 3.4rem);
  font-weight: 400; letter-spacing: 0.14em; line-height: 1.12;
}
.br-hero-lead { margin: 0; max-width: 34em; color: var(--br-muted); font-size: clamp(0.9rem, 3.5vw, 1rem); }

/* ---------------------------------------------------------------- 再生機 */
.br-player {
  max-width: 1080px; margin: 0 auto clamp(28px, 6vw, 52px);
  padding: clamp(16px, 4.5vw, 26px);
  border: 1px solid var(--br-line); border-radius: 18px;
  background: linear-gradient(180deg, rgba(20, 24, 30, 0.72), rgba(8, 10, 14, 0.72));
}
.br-player-head { display: flex; gap: clamp(12px, 3vw, 22px); align-items: flex-start; }
.br-player-art {
  flex: 0 0 auto; width: clamp(84px, 26vw, 148px); aspect-ratio: 1 / 1;
  border-radius: 12px; overflow: hidden; background: var(--br-ink);
  border: 1px solid var(--br-soft);
}
.br-player-art img, .br-player-art video { width: 100%; height: 100%; object-fit: cover; }
.br-player-meta { min-width: 0; flex: 1; }
.br-player-series { margin: 0 0 6px; font-size: 0.64rem; letter-spacing: 0.2em; color: var(--br-gold); }
.br-player-title {
  margin: 0 0 6px; font-size: clamp(1.35rem, 6vw, 2.1rem); font-weight: 400;
  letter-spacing: 0.06em; line-height: 1.2; overflow-wrap: anywhere;
}
.br-player-sub { margin: 0 0 10px; color: var(--br-muted); font-size: clamp(0.82rem, 3.3vw, 0.92rem); }
.br-facts { display: flex; flex-wrap: wrap; gap: 6px; }
.br-fact {
  border: 1px solid var(--br-soft); border-radius: 999px; padding: 3px 10px;
  font-size: 0.64rem; letter-spacing: 0.1em; color: var(--br-faint); white-space: nowrap;
}
.br-fact.is-gold { border-color: var(--br-line); color: var(--br-gold); }

.br-controls { margin-top: clamp(14px, 4vw, 20px); }
.br-seek-row { display: flex; align-items: center; gap: 10px; }
.br-time { font-variant-numeric: tabular-nums; font-size: 0.72rem; color: var(--br-faint); min-width: 46px; }
.br-time.is-right { text-align: right; }
input[type="range"].br-range {
  flex: 1; -webkit-appearance: none; appearance: none; height: var(--br-tap);
  background: transparent; cursor: pointer; margin: 0; min-width: 0;
}
input[type="range"].br-range::-webkit-slider-runnable-track { height: 4px; border-radius: 999px; background: rgba(247,244,238,0.16); }
input[type="range"].br-range::-moz-range-track { height: 4px; border-radius: 999px; background: rgba(247,244,238,0.16); }
input[type="range"].br-range::-webkit-slider-thumb {
  -webkit-appearance: none; width: 18px; height: 18px; border-radius: 50%;
  background: var(--br-gold); border: 0; margin-top: -7px;
}
input[type="range"].br-range::-moz-range-thumb { width: 18px; height: 18px; border-radius: 50%; background: var(--br-gold); border: 0; }

.br-buttons { margin-top: 8px; display: flex; align-items: center; gap: clamp(8px, 2.5vw, 14px); flex-wrap: wrap; }
.br-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: var(--br-tap); min-width: var(--br-tap); padding: 0 16px;
  border: 1px solid var(--br-soft); border-radius: 999px; background: transparent;
  font-size: 0.74rem; letter-spacing: 0.12em; cursor: pointer;
}
.br-btn:hover, .br-btn:focus-visible { border-color: var(--br-line); }
.br-btn[disabled] { opacity: 0.32; cursor: default; }
.br-btn-play {
  min-width: 118px; border-color: var(--br-gold); color: var(--br-gold);
  background: rgba(200, 164, 93, 0.1); font-size: 0.82rem; letter-spacing: 0.18em;
}
.br-vol-wrap { display: flex; align-items: center; gap: 8px; min-width: 132px; flex: 1 1 132px; }
.br-vol-wrap span { font-size: 0.64rem; letter-spacing: 0.12em; color: var(--br-faint); }
.br-note { margin: 10px 0 0; font-size: 0.68rem; color: var(--br-faint); }

/* ---------------------------------------------------------------- 一覧 */
.br-section { max-width: 1080px; margin: 0 auto; padding: 0 clamp(18px, 5vw, 48px) clamp(28px, 6vw, 56px); }
.br-section-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; }
.br-section h2 { margin: 0; font-size: 0.78rem; font-weight: 400; letter-spacing: 0.26em; color: var(--br-gold); }
.br-count { font-size: 0.68rem; color: var(--br-faint); }

.br-filters { display: flex; gap: 7px; overflow-x: auto; padding-bottom: 6px; margin-bottom: 16px; scrollbar-width: none; }
.br-filters::-webkit-scrollbar { display: none; }
.br-chip {
  flex: 0 0 auto; min-height: 38px; padding: 0 14px; border-radius: 999px;
  border: 1px solid var(--br-soft); background: transparent;
  font-size: 0.68rem; letter-spacing: 0.1em; color: var(--br-muted); cursor: pointer; white-space: nowrap;
}
.br-chip.is-active { border-color: var(--br-gold); color: var(--br-gold); background: rgba(200,164,93,0.1); }

.br-grid { display: grid; gap: clamp(10px, 2.5vw, 16px); grid-template-columns: repeat(auto-fill, minmax(min(100%, 232px), 1fr)); }
.br-card {
  display: flex; gap: 12px; align-items: center;
  border: 1px solid var(--br-soft); border-radius: 14px; padding: 10px;
  background: rgba(10, 13, 18, 0.6); min-height: 84px;
}
.br-card:hover, .br-card:focus-visible { border-color: var(--br-line); background: rgba(16, 20, 26, 0.78); }
.br-card-art { flex: 0 0 auto; width: 62px; aspect-ratio: 1/1; border-radius: 9px; overflow: hidden; background: var(--br-ink); }
.br-card-art img { width: 100%; height: 100%; object-fit: cover; }
.br-card-body { min-width: 0; }
.br-card-no { font-size: 0.6rem; letter-spacing: 0.18em; color: var(--br-gold); }
.br-card-title { margin: 2px 0 3px; font-size: 0.94rem; letter-spacing: 0.04em; overflow-wrap: anywhere; }
.br-card-meta { font-size: 0.66rem; color: var(--br-faint); }
.br-more { display: block; margin: 18px auto 0; }

/* ---------------------------------------------------------------- 作品ページ本文 */
.br-body { max-width: 1080px; margin: 0 auto; padding: 0 clamp(18px, 5vw, 48px); }
.br-body p { max-width: 36em; color: var(--br-muted); font-size: clamp(0.86rem, 3.4vw, 0.95rem); }
.br-dl { display: grid; grid-template-columns: auto 1fr; gap: 6px 16px; margin: 22px 0 0; font-size: 0.76rem; }
.br-dl dt { color: var(--br-faint); letter-spacing: 0.1em; }
.br-dl dd { margin: 0; color: var(--br-muted); }
.br-nav-works { display: flex; gap: 10px; flex-wrap: wrap; margin: 26px 0 0; }

.br-disclaimer {
  max-width: 1080px; margin: clamp(28px, 6vw, 52px) auto 0;
  padding: 16px clamp(18px, 5vw, 48px);
  border-top: 1px solid var(--br-soft);
  color: var(--br-faint); font-size: 0.7rem; line-height: 1.9;
}
.br-disclaimer p { margin: 0 0 6px; max-width: 44em; }

.br-foot {
  max-width: 1080px; margin: 0 auto; padding: 22px clamp(18px, 5vw, 48px) 46px;
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
  font-size: 0.68rem; color: var(--br-faint);
}

/* ---------------------------------------------------------------- 暗い休息モード */
.br-rest-toggle { margin-left: auto; }
#br-rest {
  position: fixed; inset: 0; z-index: 60;
  display: none; flex-direction: column; align-items: center; justify-content: center; gap: 26px;
  background: #000; color: rgba(247, 244, 238, 0.5);
  padding: 32px 22px;
  text-align: center;
}
#br-rest.is-on { display: flex; }
.br-rest-title { font-size: clamp(1rem, 5vw, 1.5rem); letter-spacing: 0.2em; font-weight: 400; margin: 0; color: rgba(247,244,238,0.42); }
.br-rest-time { font-variant-numeric: tabular-nums; font-size: clamp(1.6rem, 9vw, 2.6rem); letter-spacing: 0.08em; color: rgba(247,244,238,0.3); }
.br-rest-row { display: flex; gap: 14px; align-items: center; flex-wrap: wrap; justify-content: center; }
#br-rest .br-btn { border-color: rgba(247,244,238,0.16); color: rgba(247,244,238,0.5); }
#br-rest .br-btn-play { border-color: rgba(200,164,93,0.45); color: rgba(200,164,93,0.72); background: transparent; }
.br-rest-hint { font-size: 0.66rem; color: rgba(247,244,238,0.24); margin: 0; }
body.br-resting { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .br-player-art video { display: none; }
}

@media (max-width: 480px) {
  .br-player-head { flex-direction: row; }
  .br-buttons { gap: 8px; }
  .br-btn { padding: 0 13px; font-size: 0.7rem; }
  .br-btn-play { min-width: 100%; order: -1; }
  .br-vol-wrap { flex-basis: 100%; }
}