/* ==========================================================================
   layout.css — 全ページに共通の枠（l-）: 中身の幅・見本の帯・ヘッダー・メニュー・足もと・スマホの固定の帯
   ========================================================================== */

.l-wrap { width: 100%; max-width: calc(var(--wrap) + var(--gutter) * 2); margin-inline: auto; padding-inline: var(--gutter); }
.l-wrap--narrow { max-width: calc(820px + var(--gutter) * 2); }

/* 節（section）。面の色を交互に: 白 → 生成り → 白 … */
.l-sec { padding-block: var(--sec); }
.l-sec--paper { background: var(--c-paper); }
.l-sec--dark { background: var(--c-main-dark); color: var(--c-on-dark); }
.l-sec--tight { padding-block: calc(var(--sec) * .6); }

/* ── 見本の帯（公開前に消す。手引き 6章） ───────────────── */
.l-sampleband { background: var(--c-ink); color: var(--c-paper); font-size: 12px; line-height: 1.6; letter-spacing: .04em; }
.l-sampleband p { padding: 6px var(--gutter); text-align: center; }

/* ── ヘッダー ─────────────────────────────────────────────── */
.l-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--c-white) 94%, transparent);
  -webkit-backdrop-filter: saturate(1.2) blur(10px); backdrop-filter: saturate(1.2) blur(10px);
  border-bottom: 1px solid var(--c-line);
}
.l-header__in { display: flex; align-items: center; gap: 24px; min-height: var(--header-h); }
.l-header__brand { display: flex; align-items: baseline; gap: 12px; text-decoration: none; margin-right: auto; min-width: 0; }
.l-header__mark { font-family: var(--f-latin); font-size: 34px; font-weight: 600; line-height: 1; letter-spacing: .02em; color: var(--c-ink); }
.l-header__kind { font-size: 11px; letter-spacing: .12em; color: var(--c-sub); white-space: nowrap; }
.l-header__book { flex-shrink: 0; }
@media (max-width: 420px) { .l-header__kind { display: none; } .l-header__in { gap: 12px; } }

/* PC のメニュー（横に並ぶ） */
.l-gnav { display: none; }
.l-gnav ul { display: flex; gap: 4px; }
.l-gnav a {
  position: relative; display: block; padding: 10px 12px; font-size: 14px; letter-spacing: .06em; text-decoration: none; white-space: nowrap;
}
/* 線が引かれる（上に跳ねない） */
.l-gnav a::after {
  content: ""; position: absolute; left: 12px; right: 12px; bottom: 4px; height: 1px; background: currentColor;
  transform: scaleX(0); transform-origin: left; transition: transform .35s var(--ease);
}
.l-gnav a:hover::after, .l-gnav a[aria-current="page"]::after, .l-gnav a[data-here]::after { transform: scaleX(1); }
.l-gnav a[aria-current="page"], .l-gnav a[data-here] { color: var(--c-main); }

/* スマホ・タブレットのメニュー（開く箱。JS が無くても開く） */
.l-drawer { position: static; }
.l-drawer > summary {
  list-style: none; cursor: pointer; display: flex; flex-direction: column; align-items: center; gap: 2px;
  font-size: 10px; letter-spacing: .08em; padding: 6px 2px; min-width: 48px;
}
.l-drawer > summary::-webkit-details-marker { display: none; }
.l-drawer__bars { position: relative; width: 26px; height: 14px; }
.l-drawer__bars::before, .l-drawer__bars::after {
  content: ""; position: absolute; left: 0; right: 0; height: 1.5px; background: currentColor; border-radius: 2px;
  transition: transform .3s var(--ease), top .3s var(--ease);
}
.l-drawer__bars::before { top: 3px; }
.l-drawer__bars::after { top: 10px; }
.l-drawer[open] .l-drawer__bars::before { top: 6.5px; transform: rotate(20deg); }
.l-drawer[open] .l-drawer__bars::after { top: 6.5px; transform: rotate(-20deg); }
.l-drawer__panel {
  position: absolute; left: 0; right: 0; top: 100%;
  max-height: calc(100vh - var(--header-h)); max-height: calc(100dvh - var(--header-h)); overflow-y: auto;
  background: var(--c-paper); border-bottom: 1px solid var(--c-line); box-shadow: 0 24px 40px color-mix(in srgb, var(--c-ink) 12%, transparent);
  padding: 8px var(--gutter) 28px;
}
.l-drawer__panel li a {
  display: flex; justify-content: space-between; align-items: center; padding: 15px 2px; text-decoration: none;
  border-bottom: 1px solid var(--c-line); font-family: var(--f-head); font-size: 16px; letter-spacing: .08em;
}
.l-drawer__panel li a::after { content: "→"; font-family: var(--f-latin); color: var(--c-main); transition: transform .3s var(--ease); }
.l-drawer__panel li a:hover::after { transform: translateX(4px); }
.l-drawer__panel li a[aria-current="page"], .l-drawer__panel li a[data-here] { color: var(--c-main); }
.l-drawer__acts { display: grid; gap: 10px; margin-top: 22px; }
.l-drawer__acts .c-btn { width: 100%; }
.l-drawer__hours { margin-top: 14px; font-size: 13px; color: var(--c-sub); text-align: center; line-height: 1.7; }

/* メニューの切り替え: 1ページ版・5ページ版は 1024px から、8ページ版（項目が多い）は 1180px から横に並ぶ */
@media (min-width: 1024px) {
  .l-header:not(.l-header--many) .l-gnav { display: block; }
  .l-header:not(.l-header--many) .l-drawer { display: none; }
}
@media (min-width: 1180px) {
  .l-header--many .l-gnav { display: block; }
  .l-header--many .l-drawer { display: none; }
}
@media (max-width: 1023px) { .l-header:not(.l-header--many) .l-header__book { display: none; } }
@media (max-width: 1179px) { .l-header--many .l-header__book { display: none; } }

/* ── 足もと ─────────────────────────────────────────────── */
.l-footer { background: var(--c-footer); color: var(--c-on-dark); padding-top: clamp(56px, 8vw, 96px); }
.l-footer__in { display: grid; gap: 40px; }
@media (min-width: 768px) { .l-footer__in { grid-template-columns: 1.2fr 1fr; align-items: start; } }
.l-footer__mark { font-family: var(--f-latin); font-size: clamp(48px, 8vw, 72px); font-weight: 600; line-height: 1; letter-spacing: .01em; }
.l-footer__kind { font-size: 12px; letter-spacing: .14em; color: var(--c-on-dark-sub); margin: 10px 0 22px; }
.l-footer__info { font-size: 14px; line-height: 1.9; color: var(--c-on-dark-sub); }
.l-footer__info a { color: var(--c-on-dark); }
.l-footer__tel { font-family: var(--f-latin); font-size: 30px; font-weight: 600; letter-spacing: .04em; color: var(--c-on-dark); margin: 6px 0 2px; }
.l-footer__tel a { text-decoration: none; }
.l-footer__nav { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 24px; }
.l-footer__nav a { display: block; padding: 9px 0; font-size: 14px; text-decoration: none; color: var(--c-on-dark); border-bottom: 1px solid color-mix(in srgb, var(--c-on-dark) 14%, transparent); }
.l-footer__nav a:hover { color: #fff; text-decoration: underline; }
.l-footer__bottom { margin-top: clamp(48px, 7vw, 80px); padding-block: 20px; border-top: 1px solid color-mix(in srgb, var(--c-on-dark) 14%, transparent); font-size: 12px; color: var(--c-on-dark-sub); display: flex; flex-wrap: wrap; justify-content: space-between; gap: 6px 24px; }

/* ── スマホの固定の帯（電話・予約） ───────────────────────── */
.l-fixbar { display: none; }
@media (max-width: 767px) {
  body { padding-bottom: 68px; }
  .l-fixbar {
    position: fixed; z-index: 60; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: 1fr 1.25fr; gap: 8px;
    padding: 8px 10px calc(8px + env(safe-area-inset-bottom));
    background: color-mix(in srgb, var(--c-white) 96%, transparent); border-top: 1px solid var(--c-line);
    -webkit-backdrop-filter: blur(8px); backdrop-filter: blur(8px);
  }
  .l-fixbar .c-btn { min-height: 48px; padding-inline: 10px; font-size: 14px; }
}