@charset "utf-8";
/* ============================================
   天ぷら居酒屋 天ち。 — Site CSS
   和モダン / 落ち着き / モバイルファースト
   ============================================ */

/* --- Tokens (CSS変数) --- */
:root {
  --c-bg: #0d0c0a;          /* 墨黒 */
  --c-surface: #161412;     /* 一段明るい背景 */
  --c-surface-2: #1f1c18;
  --c-paper: #f4ede0;       /* 和紙クリーム */
  --c-text: #ece5d6;
  --c-text-dim: #b3a896;
  --c-accent: #b13a37;      /* 朱赤 */
  --c-accent-dark: #8a2a28;
  --c-gold: #c8a35a;        /* 金茶 */
  --c-line: rgba(244,237,224,.12);

  --ff-serif: "Shippori Mincho B1", "Yu Mincho", "游明朝", serif;
  --ff-sans: "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", sans-serif;

  --maxw: 1100px;
  --header-h: 64px;
}

/* --- Reset --- */
*,*::before,*::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--c-bg);
  color: var(--c-text);
  font-family: var(--ff-sans);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font: inherit; border: 0; background: none; color: inherit; cursor: pointer; }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

/* ============================================
   Site Header
   ============================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  display: flex; align-items: center; gap: 16px;
  padding: 0 16px;
  background: rgba(13,12,10,.78);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-line);
}
.brand {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--ff-serif); font-weight: 700;
}
.brand-mark {
  width: 34px; height: 34px;
  display: grid; place-items: center;
  background: var(--c-accent);
  color: var(--c-paper);
  border-radius: 4px;
  font-size: 18px;
  letter-spacing: 0;
}
.brand-name {
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--c-paper);
}
.site-nav {
  display: none;
  margin-left: auto;
  gap: 24px;
}
.site-nav a {
  color: var(--c-text-dim);
  font-size: 14px;
  letter-spacing: 0.08em;
  transition: color .2s;
  position: relative;
}
.site-nav a:hover { color: var(--c-paper); }
.site-nav a[aria-current="page"] {
  color: var(--c-paper);
}
.site-nav a[aria-current="page"]::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: -6px;
  height: 2px; background: var(--c-gold);
}
.header-cta {
  display: none;
  align-items: center; gap: 6px;
  padding: 8px 14px;
  background: var(--c-accent);
  color: var(--c-paper);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  transition: background .2s;
}
.header-cta:hover { background: var(--c-accent-dark); }

.menu-toggle {
  margin-left: auto;
  width: 40px; height: 40px;
  display: grid; place-items: center;
  position: relative;
}
.menu-toggle span {
  position: absolute; left: 10px; right: 10px;
  height: 2px; background: var(--c-paper);
  transition: transform .3s, opacity .3s, top .3s;
}
.menu-toggle span:nth-child(1) { top: 14px; }
.menu-toggle span:nth-child(2) { top: 19px; }
.menu-toggle span:nth-child(3) { top: 24px; }
.menu-toggle.is-open span:nth-child(1) { top: 19px; transform: rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { top: 19px; transform: rotate(-45deg); }

/* Drawer (mobile menu) */
.drawer {
  position: fixed; top: var(--header-h); left: 0; right: 0; bottom: 0;
  z-index: 99;
  background: rgba(13,12,10,.96);
  backdrop-filter: blur(8px);
  padding: 32px 24px;
  overflow-y: auto;
}
.drawer[hidden] { display: none; }
.drawer nav { display: flex; flex-direction: column; gap: 4px; }
.drawer nav a {
  font-family: var(--ff-serif);
  font-size: 22px;
  padding: 16px 4px;
  border-bottom: 1px solid var(--c-line);
  color: var(--c-paper);
}
.drawer-tel {
  margin-top: 16px;
  background: var(--c-accent);
  color: var(--c-paper) !important;
  border-radius: 8px;
  text-align: center;
  border-bottom: 0 !important;
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  padding: 0 20px;
}
.hero-bg {
  position: absolute; inset: 0;
  background: url("../images/1.jpg") center/cover no-repeat;
  filter: saturate(0.95) brightness(0.5);
  transform: scale(1.05);
}
.hero-veil {
  position: absolute; inset: 0;
  background:
    radial-gradient(120% 80% at 50% 60%, rgba(0,0,0,0) 0%, rgba(13,12,10,.85) 80%),
    linear-gradient(180deg, rgba(13,12,10,.5), rgba(13,12,10,.3) 40%, rgba(13,12,10,.95) 100%);
}
.hero-inner {
  position: relative;
  text-align: center;
  z-index: 2;
  max-width: 720px;
  padding: 100px 0 80px;
}
.hero-eyebrow {
  font-family: var(--ff-serif);
  color: var(--c-gold);
  letter-spacing: 0.4em;
  font-size: 12px;
  margin: 0 0 16px;
  text-transform: uppercase;
}
.hero-title {
  margin: 0 0 24px;
  font-family: var(--ff-serif);
  line-height: 1.15;
}
.hero-title-jp {
  display: block;
  font-size: clamp(20px, 5vw, 28px);
  font-weight: 500;
  letter-spacing: 0.3em;
  color: var(--c-paper);
  opacity: 0.9;
}
.hero-title-mark {
  display: block;
  margin-top: 8px;
  font-size: clamp(56px, 14vw, 110px);
  font-weight: 800;
  letter-spacing: 0.05em;
  color: var(--c-paper);
  text-shadow: 0 4px 24px rgba(0,0,0,.6);
}
.hero-catch {
  font-family: var(--ff-serif);
  color: var(--c-paper);
  font-size: clamp(15px, 3.5vw, 18px);
  letter-spacing: 0.1em;
  line-height: 2;
  margin: 0 0 32px;
}
.hero-actions {
  display: flex; flex-direction: column; gap: 12px;
  align-items: center;
}
.hero-scroll {
  position: absolute;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  font-size: 11px;
  letter-spacing: 0.4em;
  color: var(--c-text-dim);
  z-index: 2;
}
.hero-scroll-line {
  width: 1px; height: 48px;
  background: linear-gradient(180deg, var(--c-text-dim), transparent);
  animation: scrollLine 2.4s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  51% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.1em;
  transition: transform .15s, background .2s, color .2s, border-color .2s;
  white-space: nowrap;
  text-align: center;
}
.btn:active { transform: translateY(1px); }
.btn-primary {
  background: var(--c-accent);
  color: var(--c-paper);
}
.btn-primary:hover { background: var(--c-accent-dark); }
.btn-ghost {
  background: rgba(244,237,224,.08);
  color: var(--c-paper);
  border: 1px solid var(--c-line);
}
.btn-ghost:hover { background: rgba(244,237,224,.15); }
.btn-outline {
  background: transparent;
  color: var(--c-paper);
  border: 1px solid var(--c-gold);
}
.btn-outline:hover { background: var(--c-gold); color: var(--c-bg); }
.btn-large {
  padding: 18px 28px;
  font-size: 15px;
  width: 100%;
}

/* ============================================
   Section common
   ============================================ */
.section {
  padding: 80px 0;
  position: relative;
}
.section-eyebrow {
  font-family: var(--ff-serif);
  color: var(--c-gold);
  letter-spacing: 0.3em;
  font-size: 11px;
  margin: 0 0 12px;
  text-transform: uppercase;
}
.section-title {
  font-family: var(--ff-serif);
  font-size: clamp(28px, 6vw, 42px);
  font-weight: 700;
  letter-spacing: 0.06em;
  line-height: 1.4;
  color: var(--c-paper);
  margin: 0 0 32px;
}
.section-lead {
  font-size: 15px;
  line-height: 2;
  color: var(--c-text-dim);
  margin: 0 0 24px;
}
.section-cta {
  margin-top: 32px;
  text-align: center;
}

/* Reveal on scroll */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .8s ease, transform .8s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================
   Concept Section
   ============================================ */
.section-concept { background: var(--c-bg); }
.concept-grid { display: grid; gap: 32px; }
.concept-photo {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
}
.concept-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
}
.concept-points {
  margin-top: 16px;
  border-top: 1px solid var(--c-line);
}
.concept-points li {
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
  font-size: 14px;
  color: var(--c-text-dim);
}
.concept-points strong {
  display: inline-block;
  min-width: 90px;
  margin-right: 12px;
  color: var(--c-gold);
  font-family: var(--ff-serif);
  font-weight: 700;
  letter-spacing: 0.1em;
}

/* ============================================
   Recommend Section
   ============================================ */
.section-recommend { background: var(--c-surface); }
.recommend-grid { display: grid; gap: 24px; }
.dish-card {
  background: var(--c-bg);
  border: 1px solid var(--c-line);
  border-radius: 8px;
  overflow: hidden;
  transition: transform .3s, border-color .3s;
}
.dish-card:hover {
  transform: translateY(-4px);
  border-color: var(--c-gold);
}
.dish-photo {
  aspect-ratio: 4/3;
  overflow: hidden;
}
.dish-photo img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.dish-card:hover .dish-photo img { transform: scale(1.05); }
.dish-body { padding: 20px; }
.dish-tag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.15em;
  padding: 3px 10px;
  background: var(--c-accent);
  color: var(--c-paper);
  border-radius: 2px;
  font-weight: 700;
}
.dish-tag.tag-limited { background: var(--c-gold); color: var(--c-bg); }
.dish-tag.tag-new { background: var(--c-paper); color: var(--c-bg); }
.dish-name {
  font-family: var(--ff-serif);
  font-size: 20px;
  font-weight: 700;
  margin: 12px 0 6px;
  color: var(--c-paper);
  line-height: 1.4;
}
.dish-name span {
  font-size: 14px;
  color: var(--c-text-dim);
  font-weight: 500;
}
.dish-price {
  margin: 0;
  font-family: var(--ff-serif);
  font-size: 22px;
  color: var(--c-gold);
  letter-spacing: 0.05em;
  font-weight: 700;
}

/* ============================================
   Gallery Section
   ============================================ */
.section-gallery { background: var(--c-bg); }
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
}
.gallery-grid figure {
  margin: 0;
  aspect-ratio: 1/1;
  overflow: hidden;
  border-radius: 4px;
}
.gallery-grid img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s;
}
.gallery-grid figure:hover img { transform: scale(1.06); }
.gallery-lead {
  text-align: center;
  margin: -16px auto 32px;
  max-width: 560px;
}
.gallery-grid .gallery-cta {
  background: linear-gradient(135deg, var(--c-accent) 0%, var(--c-accent-dark) 100%);
  display: flex;
}
.gallery-grid .gallery-cta a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%; height: 100%;
  font-family: var(--ff-serif);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-paper);
  text-align: center;
  letter-spacing: 0.1em;
  line-height: 1.6;
  padding: 16px;
  transition: background .2s;
}
.gallery-grid .gallery-cta:hover {
  background: linear-gradient(135deg, var(--c-gold) 0%, #a8852f 100%);
}

/* ============================================
   Shop Section
   ============================================ */
.section-shop { background: var(--c-surface); }
.shop-grid {
  display: grid;
  gap: 24px;
  margin-bottom: 32px;
}
.shop-table { margin: 0; }
.shop-table > div {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: 16px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}
.shop-table dt {
  font-family: var(--ff-serif);
  font-size: 13px;
  color: var(--c-gold);
  letter-spacing: 0.15em;
  font-weight: 500;
}
.shop-table dd {
  margin: 0;
  font-size: 15px;
  color: var(--c-paper);
  line-height: 1.7;
}
.shop-table dd a {
  color: var(--c-paper);
  border-bottom: 1px solid var(--c-gold);
  padding-bottom: 1px;
}
.shop-map {
  border-radius: 8px;
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid var(--c-line);
}
.shop-map iframe {
  width: 100%; height: 100%; border: 0;
  filter: invert(0.9) hue-rotate(180deg) saturate(0.6);
}
.shop-actions { display: grid; gap: 12px; }

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--c-bg);
  border-top: 1px solid var(--c-line);
  padding: 40px 0 32px;
  text-align: center;
}
.footer-brand {
  font-family: var(--ff-serif);
  font-size: 18px;
  letter-spacing: 0.1em;
  color: var(--c-paper);
  margin: 0 0 8px;
}
.footer-meta {
  font-size: 13px;
  color: var(--c-text-dim);
  margin: 0 0 16px;
}
.footer-copy {
  font-size: 11px;
  color: var(--c-text-dim);
  letter-spacing: 0.1em;
  margin: 0;
}

/* ============================================
   Menu Page
   ============================================ */
.page-menu { background: var(--c-bg); }
.menu-page { padding-top: var(--header-h); }
.menu-hero {
  padding: 80px 0 40px;
  text-align: center;
  background:
    linear-gradient(180deg, rgba(13,12,10,0.55) 0%, var(--c-bg) 100%),
    url("../images/special1.jpg") center/cover no-repeat;
  background-color: var(--c-surface);
}
.menu-hero-lead {
  color: var(--c-text-dim);
  font-size: 13px;
  margin: 16px 0 0;
}
.menu-tabs {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 24px;
}
.menu-tab {
  padding: 10px 24px;
  border: 1px solid var(--c-gold);
  border-radius: 999px;
  font-family: var(--ff-serif);
  font-size: 14px;
  color: var(--c-paper);
  letter-spacing: 0.15em;
  transition: background .2s, color .2s;
}
.menu-tab:hover {
  background: var(--c-gold);
  color: var(--c-bg);
}
.menu-section {
  padding: 60px 0;
  scroll-margin-top: var(--header-h);
}
.menu-section-alt { background: var(--c-surface); }
.menu-cat {
  font-family: var(--ff-serif);
  font-size: clamp(28px, 5vw, 36px);
  font-weight: 700;
  color: var(--c-paper);
  text-align: center;
  margin: 0 0 8px;
  letter-spacing: 0.2em;
  position: relative;
  padding-bottom: 18px;
}
.menu-cat::after {
  content: "";
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 40px; height: 2px;
  background: var(--c-gold);
}
.menu-block { margin: 40px 0 24px; }
.menu-block-title {
  font-family: var(--ff-serif);
  font-size: 20px;
  font-weight: 700;
  color: var(--c-gold);
  margin: 0 0 16px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--c-line);
  letter-spacing: 0.1em;
}
.menu-list { display: flex; flex-direction: column; }
.menu-list li {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: end;
  gap: 8px;
  padding: 10px 0;
  font-size: 15px;
  color: var(--c-paper);
  line-height: 1.5;
}
.menu-list li.featured {
  background: rgba(200,163,90,.06);
  padding: 12px 12px;
  border-radius: 4px;
  margin: 4px -12px;
}
.menu-list li.featured .m-name {
  font-weight: 700;
  color: var(--c-gold);
}
.m-name {
  font-family: var(--ff-serif);
  font-weight: 500;
  letter-spacing: 0.05em;
}
.m-dot {
  border-bottom: 1px dotted rgba(244,237,224,.2);
  height: 1em;
}
.m-price {
  font-family: var(--ff-serif);
  font-weight: 700;
  color: var(--c-paper);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.05em;
}
.m-price::after {
  content: " 円";
  font-size: 12px;
  opacity: 0.7;
  margin-left: 2px;
}
.m-price.no-yen::after { content: ""; }
.menu-bottom-cta {
  padding: 60px 0 80px;
  background: var(--c-bg);
}
.menu-note {
  text-align: center;
  font-size: 12px;
  color: var(--c-text-dim);
  margin: 0 0 24px;
}

/* ============================================
   Responsive: Tablet (640px+)
   ============================================ */
@media (min-width: 640px) {
  .hero-actions { flex-direction: row; }
  .recommend-grid { grid-template-columns: repeat(2, 1fr); }
  .gallery-grid { grid-template-columns: repeat(3, 1fr); gap: 12px; }
  .shop-actions { grid-template-columns: 1fr 1fr; }
  .btn-large { width: auto; min-width: 280px; }
  .menu-list li { font-size: 16px; }
}

/* ============================================
   Responsive: Desktop (960px+)
   ============================================ */
@media (min-width: 960px) {
  :root { --header-h: 76px; }
  .site-header { padding: 0 32px; }
  .brand-name { font-size: 16px; }
  .site-nav { display: flex; align-items: center; }
  .header-cta { display: inline-flex; }
  .menu-toggle { display: none; }
  .drawer { display: none !important; }

  .section { padding: 120px 0; }

  .concept-grid {
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
  }
  .recommend-grid { grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .shop-grid { grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
  .menu-section { padding: 100px 0; }
}