/* 悲別ロマン座 — 夜の雪の紺黒を地に、木の看板の焦茶、赤ちょうちんの赤を一点。
   Layout: 一本の縦の流れ。写真は一枚ずつ大きく、詩とモノローグは縦書き。 */
:root {
  --bg: #11161c;          /* 夜の雪、藍鉄 */
  --bg-2: #171d24;        /* 一段明るい地 */
  --fg: #e8e4da;          /* 雪明かりの白 */
  --fg-2: #a9a59b;        /* 控えめな文字 */
  --line: rgba(232,228,218,.14);
  --wood: #8a6a4b;        /* 看板の木 */
  --wood-2: #5c4330;
  --red: #b8392f;         /* 赤ちょうちん。一点だけ */
  --display: "Shippori Mincho B1", "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --body: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  color-scheme: dark;
}
@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --bg: #f3f0ea; --bg-2: #e9e5dd; --fg: #1c1a17; --fg-2: #5f5a52;
    --line: rgba(28,26,23,.14); --wood: #6b4d35; --wood-2: #4a3424; --red: #a12e26;
    color-scheme: light;
  }
}
:root[data-theme="light"] {
  --bg: #f3f0ea; --bg-2: #e9e5dd; --fg: #1c1a17; --fg-2: #5f5a52;
  --line: rgba(28,26,23,.14); --wood: #6b4d35; --wood-2: #4a3424; --red: #a12e26;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--fg);
  font-family: var(--body); font-size: 16px; line-height: 1.9;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }
h1, h2, h3 { font-family: var(--display); font-weight: 500; line-height: 1.5; text-wrap: balance; margin: 0; }
p { margin: 0; }

.wrap {
  max-width: 1120px; margin-inline: auto;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.narrow { max-width: 680px; margin-inline: auto; }

/* ヘッダー */
.site-head {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(10px); border-bottom: 1px solid var(--line);
}
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 30; background: var(--bg); }
.site-head .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 14px; }
.brand { display: flex; flex-direction: column; line-height: 1.2; }
.brand .ja { font-family: var(--display); font-size: 1.25rem; letter-spacing: .12em; }
.brand .en { font-size: .68rem; letter-spacing: .22em; color: var(--fg-2); text-transform: uppercase; margin-top: 4px; }
.nav { display: flex; gap: 22px; font-size: .86rem; letter-spacing: .06em; }
.nav a { padding-block: 6px; border-bottom: 1px solid transparent; color: var(--fg-2); }
.nav a:hover, .nav a[aria-current="page"] { color: var(--fg); border-bottom-color: var(--wood); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); color: var(--fg); padding: 8px 12px; font-family: var(--body); font-size: .85rem; letter-spacing: .1em; }
@media (max-width: 860px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; left: 0; right: 0; top: 100%; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px max(16px, env(safe-area-inset-left, 0px)) 16px; }
  .nav.open { display: flex; }
  .nav a { padding-block: 12px; border-bottom: 1px solid var(--line); }
}

/* ヒーロー */
.hero { position: relative; isolation: isolate; }
.hero img { width: 100%; height: clamp(360px, 62vh, 720px); object-fit: cover; object-position: 50% 62%; }
.hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(to top, var(--bg) 0%, color-mix(in srgb, var(--bg) 70%, transparent) 26%, transparent 60%); z-index: 1; }
.hero .cap { position: absolute; left: 0; right: 0; bottom: 0; z-index: 2; }
.hero .cap .wrap { padding-block: 0 28px; }
.hero .eyebrow { font-size: .78rem; letter-spacing: .28em; color: var(--fg-2); }
.hero h1 { font-size: clamp(2rem, 6vw, 3.6rem); letter-spacing: .14em; color: var(--fg); margin-top: 6px; text-shadow: 0 0 28px var(--bg), 0 0 8px var(--bg); }
.hero .sub { font-size: .95rem; color: var(--fg-2); margin-top: 8px; letter-spacing: .06em; }

/* 詩（縦書き） */
.poem-sec { padding-block: 72px 56px; }
.poem-sec .wrap { text-align: center; }
.poem {
  display: inline-flex; flex-direction: column; gap: clamp(28px, 6vw, 72px);
  writing-mode: vertical-rl; text-align: start;
  font-family: var(--display); font-size: clamp(1.25rem, 2.6vw, 1.7rem); letter-spacing: .22em; line-height: 2.2;
}
.poem .l { white-space: nowrap; }
.poem .sig { font-size: .95rem; letter-spacing: .3em; color: var(--fg-2); align-self: flex-end; margin-left: 1em; }
@media (max-width: 560px) {
  .poem { writing-mode: horizontal-tb; display: flex; gap: 10px; text-align: center; line-height: 1.9; }
  .poem .sig { align-self: center; margin: 18px 0 0; }
}
.poem-note { text-align: center; font-size: .82rem; color: var(--fg-2); margin-top: 28px; letter-spacing: .08em; }

/* 章（昨日・今日・明日） */
.chapter { border-top: 1px solid var(--line); padding-block: 72px; }
.chapter .wrap { display: grid; grid-template-columns: 180px 1fr; gap: 40px; }
.ch-label { font-family: var(--display); letter-spacing: .3em; }
.ch-label .big { font-size: clamp(2.4rem, 5vw, 3.2rem); line-height: 1; display: block; }
.ch-label .small { font-size: .8rem; color: var(--fg-2); display: block; margin-top: 12px; letter-spacing: .24em; }
.ch-body { min-width: 0; }
.ch-body h2 { font-size: clamp(1.4rem, 3vw, 1.9rem); letter-spacing: .1em; margin-bottom: 20px; }
.ch-body p { max-width: 38em; color: var(--fg); }
.ch-body p + p { margin-top: 1.1em; }
.more { display: inline-flex; align-items: center; gap: 10px; margin-top: 28px; font-size: .88rem; letter-spacing: .14em; border-bottom: 1px solid var(--wood); padding-bottom: 4px; }
.more::after { content: "→"; color: var(--wood); }
@media (max-width: 760px) { .chapter .wrap { grid-template-columns: 1fr; gap: 20px; } .ch-label .big { display: inline; } .ch-label .small { display: inline; margin-left: 14px; } }

/* 写真 */
.photo { margin-top: 36px; }
.photo figcaption { font-size: .78rem; color: var(--fg-2); letter-spacing: .08em; margin-top: 10px; }
.photo-row { display: grid; gap: 18px; margin-top: 36px; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.photo-row figure { margin: 0; }
.photo-row img { width: 100%; aspect-ratio: 4/3; object-fit: cover; filter: saturate(.9); }
.photo-row figcaption { font-size: .76rem; color: var(--fg-2); margin-top: 8px; letter-spacing: .06em; }
.bw img { filter: grayscale(1) contrast(1.05); }

/* モノローグ */
.mono-sec { background: var(--bg-2); border-top: 1px solid var(--line); padding-block: 72px; }
.mono { font-family: var(--display); font-size: clamp(1rem, 1.6vw, 1.15rem); line-height: 2.3; letter-spacing: .08em; max-width: 34em; margin-inline: auto; }
.mono p + p { margin-top: 1.3em; }
.mono .refrain { color: var(--fg); font-size: 1.15em; letter-spacing: .14em; }
.mono-src { font-size: .78rem; color: var(--fg-2); letter-spacing: .1em; margin-top: 28px; text-align: right; max-width: 34em; margin-inline: auto; }

/* 年表 */
.timeline { list-style: none; margin: 32px 0 0; padding: 0; border-left: 1px solid var(--line); }
.timeline li { position: relative; padding: 0 0 28px 28px; }
.timeline li::before { content: ""; position: absolute; left: -4px; top: .7em; width: 7px; height: 7px; background: var(--wood); border-radius: 50%; }
.timeline .y { font-family: var(--display); font-size: 1.1rem; letter-spacing: .1em; font-variant-numeric: tabular-nums; }
.timeline .t { color: var(--fg-2); font-size: .92rem; margin-top: 2px; max-width: 36em; }

/* 情報表 */
.facts { display: grid; grid-template-columns: max-content 1fr; gap: 10px 24px; margin-top: 24px; font-size: .95rem; }
.facts dt { color: var(--fg-2); letter-spacing: .06em; }
.facts dd { margin: 0; min-width: 0; }
@media (max-width: 480px) { .facts { grid-template-columns: 1fr; gap: 4px; } .facts dt { margin-top: 10px; } }

/* キャスト */
.cast { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 22px 32px; margin-top: 32px; }
.cast .c { border-top: 1px solid var(--line); padding-top: 12px; }
.cast .role { font-family: var(--display); font-size: 1.05rem; letter-spacing: .08em; }
.cast .role small { font-family: var(--body); font-size: .78rem; color: var(--fg-2); margin-left: 8px; letter-spacing: .06em; }
.cast .actor { font-size: .86rem; color: var(--fg-2); margin-top: 2px; }
.cast .note { font-size: .88rem; margin-top: 8px; }

/* 下層ページ */
.page-head { padding-block: 56px 28px; border-bottom: 1px solid var(--line); }
.page-head .eyebrow { font-size: .76rem; letter-spacing: .26em; color: var(--fg-2); }
.page-head h1 { font-size: clamp(1.7rem, 4vw, 2.5rem); letter-spacing: .1em; margin-top: 8px; }
.page-head .lead { color: var(--fg-2); margin-top: 14px; max-width: 40em; }
.sec { padding-block: 48px; }
.sec + .sec { border-top: 1px solid var(--line); }
.sec h2 { font-size: clamp(1.25rem, 2.6vw, 1.6rem); letter-spacing: .1em; margin-bottom: 18px; }
.sec h3 { font-size: 1.05rem; letter-spacing: .08em; margin: 28px 0 10px; color: var(--fg); }
.sec p { max-width: 38em; }
.sec p + p { margin-top: 1.1em; }
.quote { border-left: 2px solid var(--wood); padding-left: 20px; color: var(--fg); font-family: var(--display); line-height: 2.1; margin: 24px 0; max-width: 34em; }
.quote cite { display: block; font-style: normal; font-family: var(--body); font-size: .8rem; color: var(--fg-2); margin-top: 10px; letter-spacing: .08em; }

/* 明日 / Facebook */
.cta { border: 1px solid var(--line); padding: 28px; margin-top: 28px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 18px; }
.cta .t { font-family: var(--display); font-size: 1.15rem; letter-spacing: .1em; }
.cta .d { color: var(--fg-2); font-size: .9rem; margin-top: 4px; }
.btn { display: inline-block; padding: 12px 22px; border: 1px solid var(--fg); font-size: .86rem; letter-spacing: .16em; white-space: nowrap; }
.btn:hover { background: var(--fg); color: var(--bg); }
.btn.red { border-color: var(--red); color: var(--red); }
.btn.red:hover { background: var(--red); color: #fff; }

/* 隣接ページへの導線 */
.pager { border-top: 1px solid var(--line); padding-block: 36px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px; font-size: .9rem; letter-spacing: .08em; }
.pager a { color: var(--fg-2); }
.pager a:hover { color: var(--fg); }

/* フッター */
.site-foot { border-top: 1px solid var(--line); padding-block: 48px 40px; color: var(--fg-2); font-size: .82rem; letter-spacing: .06em; }
.site-foot .wrap { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 24px; }
.site-foot .fb { display: flex; flex-direction: column; gap: 6px; }
.site-foot .fb a { color: var(--fg); border-bottom: 1px solid var(--wood); width: max-content; }
.site-foot .addr { line-height: 1.8; }

@media (prefers-reduced-motion: no-preference) {
  .hero img { animation: breathe 18s ease-in-out infinite alternate; transform-origin: 50% 60%; }
  @keyframes breathe { from { transform: scale(1); } to { transform: scale(1.04); } }
}