/* =========================================================
   スナック 古母里 / Main Stylesheet
   色・余白・文字サイズは冒頭のカスタムプロパティで一括管理します。
   ========================================================= */
:root {
  --color-bg: #120d0e;
  --color-bg-soft: #1b1214;
  --color-bordeaux: #641426;
  --color-bordeaux-light: #8a263c;
  --color-gold: #c6a15b;
  --color-gold-light: #ecd39e;
  --color-cream: #f3ece2;
  --color-muted: #b7aa9d;
  --color-line: rgba(198, 161, 91, 0.25);
  --font-serif: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --font-sans: "Helvetica Neue", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --container: min(1120px, calc(100% - 48px));
  --section-space: clamp(96px, 12vw, 176px);
  --ease: cubic-bezier(.2, .8, .2, 1);
}

/* リセット / 共通 */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  color: var(--color-cream);
  background: var(--color-bg);
  font-family: var(--font-sans);
  line-height: 1.8;
  letter-spacing: .06em;
  overflow-x: hidden;
}
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; }
button { font: inherit; }
::selection { color: var(--color-bg); background: var(--color-gold); }

.container { width: var(--container); margin-inline: auto; }
.section { position: relative; padding-block: var(--section-space); }
.skip-link {
  position: fixed; top: 12px; left: 12px; z-index: 9999;
  padding: 10px 16px; color: #111; background: #fff;
  transform: translateY(-160%); transition: transform .2s;
}
.skip-link:focus { transform: translateY(0); }

/* フォーカス表示はキーボード操作時に明確にします。 */
:focus-visible { outline: 2px solid var(--color-gold-light); outline-offset: 5px; }

/* ヘッダー */
.site-header {
  position: fixed; inset: 0 0 auto; z-index: 1000;
  display: flex; align-items: center; justify-content: space-between;
  min-height: 88px; padding: 14px clamp(24px, 4vw, 64px);
  transition: background .4s, border-color .4s, min-height .4s;
}
.site-header.is-scrolled {
  min-height: 72px; background: rgba(18, 13, 14, .94);
  border-bottom: 1px solid var(--color-line); backdrop-filter: blur(14px);
}
.brand { display: inline-grid; color: var(--color-cream); text-decoration: none; text-align: center; line-height: 1; }
.brand__small { margin-bottom: 6px; color: var(--color-gold); font-size: 9px; letter-spacing: .45em; }
.brand__name { font-family: var(--font-serif); font-size: 30px; letter-spacing: .18em; }
.menu-button { display: none; }
.global-nav { display: flex; align-items: center; gap: clamp(24px, 3vw, 48px); }
.global-nav ul { display: flex; gap: clamp(18px, 2.5vw, 38px); margin: 0; padding: 0; list-style: none; }
.global-nav a { position: relative; font-size: 13px; text-decoration: none; }
.global-nav li a::after {
  content: ""; position: absolute; inset: auto 0 -8px; height: 1px;
  background: var(--color-gold); transform: scaleX(0); transform-origin: right;
  transition: transform .35s var(--ease);
}
.global-nav li a:hover::after, .global-nav li a:focus-visible::after { transform: scaleX(1); transform-origin: left; }
.global-nav li span { display: none; }
.nav-call { padding: 10px 18px; border: 1px solid var(--color-gold); color: var(--color-gold-light); letter-spacing: .08em; }

/* ファーストビュー */
.hero { position: relative; min-height: 100svh; display: grid; align-items: center; overflow: hidden; }
.hero__image, .hero__shade { position: absolute; inset: 0; }
.hero__image {
  background: url("images/entrance-sign.webp") 58% center / cover no-repeat;
  animation: heroZoom 16s ease-out both;
}
.hero__shade { background: linear-gradient(90deg, rgba(10,6,7,.92) 0%, rgba(10,6,7,.69) 42%, rgba(10,6,7,.14) 72%, rgba(10,6,7,.36) 100%), linear-gradient(0deg, rgba(10,6,7,.58), transparent 55%); }
.hero__content { position: relative; z-index: 1; width: var(--container); margin-inline: auto; padding: 130px 0 90px; }
.hero__eyebrow { margin: 0 0 22px; color: var(--color-gold); font: 12px/1.4 Georgia, serif; letter-spacing: .34em; text-transform: uppercase; }
.hero h1 { margin: 0; font-family: var(--font-serif); font-size: clamp(58px, 8vw, 112px); font-weight: 400; line-height: .92; letter-spacing: .14em; text-shadow: 0 4px 30px rgba(0,0,0,.45); }
.hero h1 span { display: block; margin: 0 0 14px 8px; color: var(--color-gold-light); font: 400 clamp(14px, 1.5vw, 19px)/1 var(--font-sans); letter-spacing: .5em; }
.hero__copy { margin: 32px 0 12px; font-family: var(--font-serif); font-size: clamp(25px, 3vw, 40px); line-height: 1.55; letter-spacing: .14em; }
.hero__lead { margin: 0 0 34px; color: #d1c5b9; font-size: 14px; line-height: 2; }
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 14px;
  min-width: 270px; min-height: 68px; padding: 12px 28px;
  text-decoration: none; transition: transform .35s var(--ease), color .35s, background .35s, box-shadow .35s;
}
.button:hover { transform: translateY(-3px); }
.button--gold { color: #1a1011; background: linear-gradient(135deg, #ead29f, #b78a3e); box-shadow: 0 12px 38px rgba(0,0,0,.25); }
.button--gold:hover { box-shadow: 0 16px 46px rgba(198,161,91,.22); }
.button__icon { font-size: 23px; }
.button small { display: block; font-size: 10px; letter-spacing: .18em; }
.scroll-cue { position: absolute; right: clamp(24px, 4vw, 64px); bottom: 30px; z-index: 2; display: grid; justify-items: center; gap: 12px; color: var(--color-gold-light); font-size: 9px; letter-spacing: .3em; text-decoration: none; writing-mode: vertical-rl; }
.scroll-cue i { display: block; width: 1px; height: 58px; background: var(--color-gold); transform-origin: top; animation: scrollLine 2.2s ease-in-out infinite; }

/* セクション見出し */
.section-heading { margin-bottom: clamp(48px, 7vw, 86px); }
.section-heading__en { margin: 0 0 15px; color: var(--color-gold); font: 11px/1 Georgia, serif; letter-spacing: .38em; }
.section-heading h2 { margin: 0; font-family: var(--font-serif); font-size: clamp(34px, 5vw, 58px); font-weight: 400; line-height: 1.45; letter-spacing: .12em; }
.section-heading > p:last-child:not(.section-heading__en) { margin-top: 18px; color: var(--color-muted); font-size: 14px; }
.section-heading--center { text-align: center; }

/* お店について */
.about { background: radial-gradient(circle at 88% 30%, rgba(100,20,38,.17), transparent 35%), var(--color-bg); }
.about__grid { display: grid; grid-template-columns: minmax(0, 1.12fr) minmax(300px, .78fr); gap: clamp(42px, 8vw, 110px); align-items: center; }
.about__photo { position: relative; margin: 0; }
.about__photo::before { content: ""; position: absolute; inset: -18px 18px 18px -18px; border: 1px solid var(--color-line); z-index: -1; }
.about__photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; }
.about__photo figcaption { position: absolute; right: -16px; bottom: 28px; padding: 9px 16px; color: #201315; background: var(--color-gold-light); font: italic 12px Georgia, serif; letter-spacing: .12em; }
.about__kicker { color: var(--color-gold); font: italic 15px Georgia, serif; letter-spacing: .1em; }
.about__message h3 { margin: 20px 0 32px; font-family: var(--font-serif); font-size: clamp(25px, 3vw, 37px); font-weight: 400; line-height: 1.7; letter-spacing: .1em; }
.about__text { color: #c8bdb1; font-size: 14px; line-height: 2.25; }
.about__text p + p { margin-top: 18px; }
.about__sign { margin-top: 28px; text-align: right; font-family: var(--font-serif); font-size: 17px; }

/* 料金 */
.price { background: linear-gradient(rgba(100,20,38,.08), rgba(100,20,38,0)), var(--color-bg-soft); }
.price__grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 20px; max-width: 820px; margin-inline: auto; }
.price-card { position: relative; padding: clamp(36px, 4vw, 56px) clamp(24px, 3vw, 42px); text-align: center; background: rgba(255,255,255,.018); border: 1px solid rgba(198,161,91,.18); transition: border-color .35s, transform .35s var(--ease), background .35s; }
.price-card:hover { transform: translateY(-8px); border-color: var(--color-gold); background: rgba(198,161,91,.05); }
.price-card--featured { border-color: rgba(198,161,91,.68); }
.price-card--featured::before { content: ""; position: absolute; inset: 8px; border: 1px solid rgba(198,161,91,.15); pointer-events: none; }
.price-card__label { margin: 0 0 23px; color: var(--color-gold); font-size: 10px; letter-spacing: .3em; }
.price-card h3 { margin: 0 0 8px; font-family: var(--font-serif); font-size: 24px; font-weight: 400; letter-spacing: .15em; }
.price-card__time { margin: 0; color: var(--color-muted); font: italic 13px Georgia, serif; }
.price-card__amount { margin: 22px 0 0; color: var(--color-gold-light); font: 40px/1.2 Georgia, serif; letter-spacing: .03em; }
.price-card__amount span { margin-right: 5px; font-size: 19px; }
.price-card__amount small { margin-left: 4px; font: 16px var(--font-serif); }
.price-card__tax { margin: 3px 0 24px; color: var(--color-muted); font-size: 10px; }
.price-card ul { margin: 0; padding: 22px 0 0; border-top: 1px solid var(--color-line); list-style: none; color: #c8bdb1; font-size: 13px; }
.price-card li + li { margin-top: 5px; }
.price__note { margin: 30px 0 0; color: var(--color-muted); font-size: 11px; text-align: center; }

/* ギャラリー */
.gallery { background: var(--color-bg); }
.gallery__grid { display: grid; grid-template-columns: 1.25fr .75fr 1fr; grid-template-rows: 280px 280px; gap: 16px; }
.gallery__item { margin: 0; overflow: hidden; }
.gallery__item--wide { grid-column: span 2; }
.gallery__item--tall { grid-row: span 2; }
.gallery__item img { width: 100%; height: 100%; object-fit: cover; transition: transform .8s var(--ease), filter .8s; }
.gallery__item--tall img { object-position: 58% center; }
.gallery__item:nth-child(4) img { object-position: center 58%; }
.gallery__item:hover img { transform: scale(1.055); filter: brightness(1.08); }

/* アクセス */
.access { background: var(--color-bg-soft); }
.access__grid { display: grid; grid-template-columns: .78fr 1.22fr; gap: clamp(50px, 8vw, 110px); align-items: center; }
.access .section-heading { margin-bottom: 38px; }
.access dl { margin: 0 0 34px; }
.access dl > div { display: grid; grid-template-columns: 95px 1fr; gap: 14px; padding: 18px 0; border-bottom: 1px solid rgba(198,161,91,.15); }
.access dt { color: var(--color-gold); font-size: 11px; letter-spacing: .16em; }
.access dd { margin: 0; color: #d1c7bc; font-size: 14px; }
.access dd a { text-decoration-color: var(--color-gold); text-underline-offset: 5px; }
.text-link { display: inline-block; color: var(--color-gold-light); font-size: 13px; text-decoration: none; border-bottom: 1px solid var(--color-gold); transition: letter-spacing .25s; }
.text-link:hover { letter-spacing: .12em; }
.access__map { min-height: 560px; padding: 14px; border: 1px solid var(--color-line); }
.access__map iframe { display: block; width: 100%; height: 532px; border: 0; filter: grayscale(1) sepia(.2) contrast(1.08) brightness(.72); transition: filter .45s; }
.access__map:hover iframe, .access__map:focus-within iframe { filter: grayscale(.45) sepia(.08) contrast(1.04) brightness(.88); }

/* お問い合わせ */
.contact { position: relative; min-height: 620px; display: grid; place-items: center; overflow: hidden; text-align: center; }
.contact__bg { position: absolute; inset: 0; background: linear-gradient(rgba(18,13,14,.74), rgba(18,13,14,.9)), url("images/bar-shelf.webp") center / cover no-repeat; }
.contact__content { position: relative; z-index: 1; padding-block: 90px; }
.contact h2 { margin: 20px 0 18px; font-family: var(--font-serif); font-size: clamp(35px, 5vw, 62px); font-weight: 400; line-height: 1.5; letter-spacing: .12em; }
.contact p:not(.section-heading__en) { margin: 0 0 32px; color: #c8bdb1; font-size: 14px; }
.button--outline { color: var(--color-gold-light); border: 1px solid var(--color-gold); background: rgba(18,13,14,.32); backdrop-filter: blur(6px); }
.button--outline:hover { color: #1a1011; background: var(--color-gold-light); }

/* フッター */
.site-footer { padding: 68px 0 34px; background: #090607; border-top: 1px solid var(--color-line); }
.site-footer__inner { display: grid; grid-template-columns: 1fr auto; align-items: end; gap: 36px; }
.brand--footer { justify-self: start; }
.site-footer__info { grid-column: 1; color: var(--color-muted); font-size: 11px; }
.site-footer__info p { margin: 0 0 5px; }
.site-footer__info a { text-decoration: none; }
.site-footer__copy { grid-column: 2; grid-row: 1 / 3; align-self: end; margin: 0; color: #746a62; font: 9px Georgia, serif; letter-spacing: .18em; }
.mobile-call { display: none; }

/* スクロールアニメーション */
.js .reveal { opacity: 0; transform: translateY(35px); transition: opacity .9s var(--ease) var(--delay, 0s), transform .9s var(--ease) var(--delay, 0s); }
.js .reveal--left { transform: translateX(-35px); }
.js .reveal--right { transform: translateX(35px); }
.js .reveal.is-visible { opacity: 1; transform: translate(0); }

@keyframes heroZoom { from { transform: scale(1.06); } to { transform: scale(1); } }
@keyframes scrollLine { 0% { transform: scaleY(0); transform-origin: top; } 45% { transform: scaleY(1); transform-origin: top; } 55% { transform: scaleY(1); transform-origin: bottom; } 100% { transform: scaleY(0); transform-origin: bottom; } }

/* タブレット */
@media (max-width: 900px) {
  :root { --container: min(100% - 40px, 720px); }
  .site-header { min-height: 76px; padding-inline: 20px; }
  /* backdrop-filterは固定配置された子要素の基準を変えるため、モバイルでは無効化します。 */
  .site-header.is-scrolled { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .menu-button { position: relative; z-index: 1002; display: flex; align-items: center; gap: 10px; padding: 10px; color: var(--color-cream); background: transparent; border: 0; cursor: pointer; }
  .menu-button__label { font-size: 9px; letter-spacing: .22em; }
  .menu-button__lines { position: relative; display: block; width: 28px; height: 18px; }
  .menu-button__lines span { position: absolute; left: 0; width: 100%; height: 1px; background: var(--color-gold-light); transition: transform .35s var(--ease), top .35s; }
  .menu-button__lines span:first-child { top: 4px; }
  .menu-button__lines span:last-child { top: 13px; }
  .menu-button[aria-expanded="true"] .menu-button__lines span:first-child { top: 9px; transform: rotate(45deg); }
  .menu-button[aria-expanded="true"] .menu-button__lines span:last-child { top: 9px; transform: rotate(-45deg); }
  .global-nav { position: fixed; inset: 0; z-index: 1001; width: 100vw; height: 100dvh; min-height: 100svh; flex-direction: column; justify-content: center; padding: 100px 28px 50px; overflow-y: auto; overscroll-behavior: contain; background: radial-gradient(circle at 80% 20%, #41111b, transparent 40%), rgba(14,9,10,.985); visibility: hidden; opacity: 0; transform: translateY(-12px); transition: opacity .35s, transform .35s, visibility .35s; }
  .global-nav.is-open { visibility: visible; opacity: 1; transform: none; }
  .global-nav ul { flex-direction: column; gap: 22px; width: min(100%, 390px); }
  .global-nav li a { display: flex; align-items: baseline; gap: 22px; padding-bottom: 15px; border-bottom: 1px solid var(--color-line); font-family: var(--font-serif); font-size: 24px; }
  .global-nav li span { display: inline; color: var(--color-gold); font: 10px Georgia, serif; }
  .nav-call { margin-top: 18px; padding: 14px 30px; font-size: 16px !important; }
  .about__grid, .access__grid { grid-template-columns: 1fr; }
  .about__photo { max-width: 620px; }
  .about__photo img { aspect-ratio: 5 / 4; }
  .price__grid { grid-template-columns: 1fr; max-width: 560px; margin-inline: auto; }
  .price-card { display: grid; grid-template-columns: 1fr 1fr; align-items: center; text-align: left; }
  .price-card__label, .price-card h3, .price-card__time { grid-column: 1; }
  .price-card__amount, .price-card__tax { grid-column: 1; }
  .price-card ul { grid-column: 2; grid-row: 1 / 6; padding: 0 0 0 28px; border-top: 0; border-left: 1px solid var(--color-line); }
  .access__details { max-width: 620px; }
}

/* スマートフォン */
@media (max-width: 600px) {
  :root { --container: calc(100% - 36px); --section-space: 88px; }
  html { scroll-padding-top: 70px; }
  body { padding-bottom: 64px; letter-spacing: .04em; }
  .brand__name { font-size: 25px; }
  .hero { min-height: max(720px, 100svh); }
  .hero__image { background-position: 61% center; }
  .hero__shade { background: linear-gradient(90deg, rgba(10,6,7,.91), rgba(10,6,7,.56) 68%, rgba(10,6,7,.3)), linear-gradient(0deg, rgba(10,6,7,.85), transparent 55%); }
  .hero__content { padding-top: 120px; }
  .hero h1 { font-size: clamp(57px, 20vw, 79px); }
  .hero__copy { margin-top: 28px; font-size: 25px; }
  .hero__lead { font-size: 12px; }
  .hero .button { display: none; }
  .scroll-cue { right: 17px; bottom: 25px; }
  .section-heading { margin-bottom: 46px; }
  .section-heading h2 { font-size: 33px; }
  .about__grid { gap: 50px; }
  .about__photo::before { inset: -10px 10px 10px -10px; }
  .about__photo img { aspect-ratio: 4 / 5; }
  .about__photo figcaption { right: -8px; }
  .about__message h3 { font-size: 25px; }
  .about__text { font-size: 13px; }
  .price-card { display: block; text-align: center; }
  .price-card ul { padding: 20px 0 0; border-left: 0; border-top: 1px solid var(--color-line); }
  .gallery__grid { grid-template-columns: 1fr 1fr; grid-template-rows: 220px 180px 180px; gap: 9px; }
  .gallery__item--wide { grid-column: span 2; }
  .gallery__item--tall { grid-row: span 2; }
  .gallery__item:nth-child(4) { grid-column: 2; }
  .access__grid { gap: 52px; }
  .access dl > div { grid-template-columns: 78px 1fr; }
  .access__map { min-height: 390px; margin-inline: -18px; padding: 7px; }
  .access__map iframe { height: 374px; }
  .contact { min-height: 580px; }
  .contact h2 { font-size: 33px; }
  .button { min-width: min(100%, 310px); }
  .site-footer { padding: 56px 0 30px; text-align: center; }
  .site-footer__inner { display: flex; flex-direction: column; align-items: center; gap: 28px; }
  .brand--footer { justify-self: center; }
  .site-footer__info { line-height: 1.8; }
  .mobile-call { position: fixed; inset: auto 0 0; z-index: 900; display: flex; align-items: center; justify-content: center; gap: 9px; height: 64px; color: #1c1113; background: linear-gradient(135deg, #ebd6a7, #bd9147); font-weight: 700; font-size: 14px; letter-spacing: .12em; text-decoration: none; box-shadow: 0 -8px 28px rgba(0,0,0,.25); }
}

/* 動きを抑える設定を使用している方にはアニメーションを無効化します。 */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}