/* =========================================================
   B案「夜」― washoku-kappo-multipage のトップ違い（トップページのみ）
   参照：hōsa（暗く落とした写真を全面に敷き、縦書きを重ねる）
   墨の地・生成りの文字・茶金1色。書体はA案と同じ明朝
   ========================================================= */
:root {
  --night:   #1B1A17;   /* 墨の地（純黒は使わない） */
  --night-2: #24221E;   /* 一段浮いた面 */
  --paper:   #E9E4DA;   /* 文字（生成り） */
  --paper-2: #B3ACA0;   /* 補足文字 */
  --line:    rgba(233, 228, 218, .16);
  --accent:  #B08D62;   /* 茶金（暗い地の上で読める明るさ） */

  --f-display: "Shippori Mincho B1", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-body:    "Zen Old Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --f-latin:   "Cormorant Garamond", "Times New Roman", serif;

  --gutter: clamp(20px, 5.6vw, 88px);
  --band-w: 56px;
  color-scheme: dark;
}
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  padding-right: var(--band-w);
  background: var(--night);
  color: var(--paper);
  font-family: var(--f-body);
  font-size: 16px;
  line-height: 2.05;
  letter-spacing: .08em;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
h1, h2, p, dl, dd, ul, figure { margin: 0; padding: 0; }
ul { list-style: none; }

/* 案の表示（見本であることを明示する） */
.y-proposal {
  position: fixed; left: 16px; bottom: 16px; z-index: 30;
  padding: 6px 14px; border: 1px solid var(--line); background: rgba(27, 26, 23, .85);
  font-size: 11.5px; letter-spacing: .14em; color: var(--paper-2);
}

/* ---------- ヘッダー（写真の上に重ねる） ---------- */
.y-head {
  position: absolute; top: 0; left: 0; right: var(--band-w); z-index: 5;
  display: flex; justify-content: space-between; align-items: flex-start; gap: 24px;
  padding: 36px var(--gutter);
}
.y-mark { display: grid; gap: 2px; }
.y-mark-genre { font-family: var(--f-display); font-size: 11px; letter-spacing: .4em; color: var(--paper-2); }
.y-mark-genre i { font-style: normal; color: var(--accent); }
.y-mark-name { font-family: var(--f-display); font-weight: 600; font-size: 22px; letter-spacing: .24em; line-height: 1.4; }
.y-nav { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 6px clamp(16px, 2vw, 32px); }
.y-nav span { display: grid; justify-items: center; font-family: var(--f-display); font-size: 13.5px; letter-spacing: .14em; line-height: 1.5; }
.y-nav small { font-family: var(--f-latin); font-style: italic; font-size: 12.5px; letter-spacing: .06em; color: var(--paper-2); }

/* ---------- ヒーロー：写真を全面に敷き、縦書きを重ねる ---------- */
.y-hero { position: relative; height: 100vh; height: 100dvh; min-height: 620px; overflow: hidden; }
.y-hero-img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; filter: brightness(.5) saturate(.85); }
.y-hero::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(27,26,23,.55) 0%, rgba(27,26,23,0) 30%, rgba(27,26,23,0) 55%, rgba(27,26,23,.9) 100%); }
.y-catch {
  position: absolute; z-index: 2; top: 22%; right: calc(var(--gutter) + 4%);
  writing-mode: vertical-rl;
  font-family: var(--f-display); font-weight: 500;
  font-size: clamp(28px, 3.1vw, 46px); line-height: 1.7; letter-spacing: .3em;
}
.y-catch span { display: block; white-space: nowrap; }
.y-catch span + span { margin-block-start: .7em; padding-inline-start: 2.4em; }
.y-hero-foot { position: absolute; z-index: 2; left: var(--gutter); bottom: 64px; display: grid; gap: 14px; max-width: 30em; }
.y-name { display: grid; gap: 6px; font-family: var(--f-display); font-weight: 600; font-size: clamp(34px, 3.8vw, 54px); letter-spacing: .3em; line-height: 1.25; }
.y-name small { font-family: var(--f-body); font-weight: 400; font-size: 12px; letter-spacing: .5em; color: var(--paper-2); }
.y-en { font-family: var(--f-latin); font-style: italic; font-weight: 300; font-size: 15px; letter-spacing: .04em; line-height: 1.7; color: var(--paper-2); }

/* ---------- 店の一文：縦書きラベル＋横書きの文を左右に ---------- */
.y-intro {
  display: grid; grid-template-columns: auto minmax(0, 30em); justify-content: center; gap: clamp(32px, 6vw, 96px);
  padding: clamp(120px, 20vh, 220px) var(--gutter);
}
.y-vlabel { writing-mode: vertical-rl; font-family: var(--f-display); font-size: 15px; letter-spacing: .5em; color: var(--accent); padding-top: .4em; }
.y-statement { font-family: var(--f-display); font-size: clamp(20px, 1.9vw, 26px); line-height: 2.2; letter-spacing: .14em; text-wrap: pretty; }

/* ---------- 各ページへの入口：写真と文を左右交互に ---------- */
.y-row {
  display: grid; grid-template-columns: minmax(0, 58fr) minmax(0, 42fr); align-items: end; gap: clamp(32px, 5vw, 80px);
  padding: 0 var(--gutter) clamp(120px, 18vh, 200px) 0;
}
.y-row-rev { grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); padding: 0 0 clamp(120px, 18vh, 200px) var(--gutter); }
.y-row-rev .y-fig { order: 2; }
.y-fig img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; filter: brightness(.85); }
.y-text { display: grid; gap: 18px; padding-bottom: 12px; max-width: 30em; }
.y-en-big { font-family: var(--f-latin); font-style: italic; font-weight: 300; font-size: clamp(50px, 6vw, 88px); line-height: .9; color: var(--paper); opacity: .92; }
.y-h { font-family: var(--f-display); font-weight: 500; font-size: 15px; letter-spacing: .4em; color: var(--accent); }
.y-courses { border-top: 1px solid var(--line); }
.y-courses li { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 14px 0; border-bottom: 1px solid var(--line); font-family: var(--f-display); font-size: 15px; letter-spacing: .12em; line-height: 1.6; }
.y-courses b { font-family: var(--f-latin); font-weight: 400; font-size: 22px; letter-spacing: .02em; color: var(--accent); white-space: nowrap; }
.y-courses b small { font-family: var(--f-body); font-size: 11px; color: var(--paper-2); margin-left: .3em; }

/* ---------- ご予約・店舗情報 ---------- */
.y-info {
  display: grid; grid-template-columns: minmax(0, 42fr) minmax(0, 58fr); gap: clamp(32px, 5vw, 80px);
  margin: 0 var(--gutter); padding: clamp(80px, 12vh, 140px) 0; border-top: 1px solid var(--line);
}
.y-info-head { display: grid; gap: 18px; align-content: start; }
.y-info-body { display: grid; gap: 10px; align-content: start; }
.y-tel-label { font-size: 12px; letter-spacing: .4em; color: var(--paper-2); }
.y-tel { font-family: var(--f-latin); font-size: clamp(40px, 4.6vw, 60px); letter-spacing: .06em; line-height: 1.1; }
.y-tel a { border-bottom: 1px solid var(--line); }
.y-small { font-size: 13px; color: var(--paper-2); }
.y-facts { margin-top: 28px; }
.y-facts > div { display: grid; grid-template-columns: 6.5em minmax(0, 1fr); gap: 20px; padding: 14px 0; border-top: 1px solid var(--line); font-size: 14.5px; line-height: 2; }
.y-facts dt { font-size: 12.5px; letter-spacing: .3em; color: var(--paper-2); }

/* ---------- フッター ---------- */
.y-foot { display: grid; gap: 6px; padding: 64px var(--gutter) 72px; background: var(--night-2); }
.y-foot-name { font-family: var(--f-display); font-weight: 600; font-size: 20px; letter-spacing: .3em; }
.y-copy { font-family: var(--f-latin); font-size: 13px; color: var(--paper-2); padding-top: 14px; }

/* ---------- 右端の縦書き予約帯（PC）・下部バー（スマホ） ---------- */
.y-band {
  position: fixed; top: 0; right: 0; z-index: 20; width: var(--band-w); height: 100vh; height: 100dvh;
  display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 44px 0;
  background: var(--paper); color: var(--night);
}
.y-band span { writing-mode: vertical-rl; font-family: var(--f-display); font-size: 13.5px; letter-spacing: .5em; }
.y-band small { writing-mode: vertical-rl; font-family: var(--f-latin); font-size: 13px; letter-spacing: .1em; color: #6B5A43; }
.y-spbar { display: none; }

@media (prefers-reduced-motion: no-preference) {
  .y-catch, .y-hero-foot { animation: rise 1.4s cubic-bezier(.2, .7, .2, 1) both; }
  .y-hero-foot { animation-delay: .3s; }
}
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }

/* ---------- スマホ（960px未満） ---------- */
@media (max-width: 959px) {
  body { padding-right: 0; font-size: 15.5px; }
  .y-band { display: none; }
  .y-head { right: 0; padding: 22px var(--gutter); }
  .y-nav { display: none; }
  .y-catch { top: 18%; font-size: clamp(26px, 7.4vw, 34px); }
  .y-hero-foot { bottom: 96px; }
  .y-intro { grid-template-columns: auto minmax(0, 1fr); padding-block: 96px; gap: 24px; }
  .y-statement { font-size: 18px; letter-spacing: .1em; }
  .y-row, .y-row-rev { grid-template-columns: minmax(0, 1fr); padding: 0 var(--gutter) 104px; }
  .y-row-rev .y-fig { order: 0; }
  .y-fig { margin-inline: calc(var(--gutter) * -1); }
  .y-info { grid-template-columns: minmax(0, 1fr); }
  .y-facts > div { grid-template-columns: 5.5em minmax(0, 1fr); gap: 12px; }
  .y-foot { padding-bottom: calc(110px + env(safe-area-inset-bottom, 0px)); }
  .y-proposal { bottom: auto; top: 12px; left: auto; right: 12px; font-size: 10.5px; }
  .y-head { padding-top: 48px; }
  .y-spbar {
    display: block; position: fixed; left: 12px; right: 12px; bottom: calc(12px + env(safe-area-inset-bottom, 0px)); z-index: 20;
    padding: 15px; text-align: center; background: var(--paper); color: var(--night);
    font-family: var(--f-display); font-size: 14px; letter-spacing: .16em;
  }
}