/* ==========================================================
   江戸八 — 共通スタイル
   配色: 墨 #14110d / 生成り #f4efe6 / 金 #b8963e / 朱 #a63a2e
   ========================================================== */

:root {
  --sumi: #14110d;
  --sumi-soft: #211d17;
  --kinari: #f4efe6;
  --kinari-soft: #ece5d6;
  --gold: #b8963e;
  --gold-light: #cbb98a;
  --shu: #a63a2e;
  --text-dark: #2b261e;
  --text-light: #e8e1d2;
  --text-muted: #9c8f74;
  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--serif);
  background: var(--sumi);
  color: var(--text-light);
  line-height: 1.9;
  letter-spacing: 0.06em;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

a { color: inherit; text-decoration: none; }

.inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- ヘッダー ---------- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(20, 17, 13, 0.96);
  border-bottom: 1px solid rgba(184, 150, 62, 0.25);
}

.header-inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.site-logo {
  font-size: 26px;
  letter-spacing: 0.3em;
  color: var(--kinari);
}

.site-logo span {
  display: block;
  font-size: 10px;
  letter-spacing: 0.35em;
  color: var(--gold);
}

.global-nav ul {
  display: flex;
  gap: 34px;
  list-style: none;
}

.global-nav a {
  font-size: 14px;
  color: var(--text-light);
  letter-spacing: 0.15em;
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color 0.3s, border-color 0.3s;
}

.global-nav a:hover,
.global-nav a.current {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.nav-reserve a {
  border: 1px solid var(--gold);
  padding: 8px 20px;
  color: var(--gold);
}

.nav-reserve a:hover {
  background: var(--gold);
  color: var(--sumi);
  border-bottom-color: var(--gold);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 44px;
  height: 44px;
  position: relative;
  z-index: 110;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1px;
  background: var(--kinari);
  margin: 7px auto;
  transition: transform 0.3s, opacity 0.3s;
}

/* ---------- ページヒーロー(下層) ---------- */
.page-hero {
  padding: 160px 24px 70px;
  text-align: center;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(184, 150, 62, 0.12), transparent 60%),
    var(--sumi);
  border-bottom: 1px solid rgba(184, 150, 62, 0.2);
}

.page-hero h1 {
  font-size: 34px;
  font-weight: 500;
  letter-spacing: 0.4em;
  color: var(--kinari);
}

.page-hero p {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}

/* ---------- セクション共通 ---------- */
.section { padding: 90px 0; }

.section-light {
  background: var(--kinari);
  color: var(--text-dark);
}

.section-title {
  text-align: center;
  margin-bottom: 56px;
}

.section-title h2 {
  font-size: 28px;
  font-weight: 500;
  letter-spacing: 0.35em;
}

.section-title .en {
  display: block;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}

.section-title::after {
  content: "";
  display: block;
  width: 48px;
  height: 1px;
  background: var(--gold);
  margin: 22px auto 0;
}

.lead {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
  font-size: 15px;
}

/* ---------- ボタン ---------- */
.btn {
  display: inline-block;
  border: 1px solid var(--gold);
  color: var(--gold);
  padding: 14px 48px;
  font-size: 14px;
  letter-spacing: 0.25em;
  transition: background 0.3s, color 0.3s;
}

.btn:hover { background: var(--gold); color: var(--sumi); }

.btn-solid { background: var(--gold); color: var(--sumi); }

.btn-solid:hover { background: transparent; color: var(--gold); }

.section-light .btn { border-color: var(--shu); color: var(--shu); }
.section-light .btn:hover { background: var(--shu); color: var(--kinari); }

.btn-area { text-align: center; margin-top: 48px; }

/* ---------- トップ: ヒーロー ---------- */
.hero {
  position: relative;
  height: 92vh;
  min-height: 560px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
}

.hero-copy {
  position: relative;
  text-align: center;
  padding: 0 24px;
}

.hero-copy .kanji {
  font-size: clamp(44px, 8vw, 84px);
  letter-spacing: 0.45em;
  color: var(--kinari);
  text-shadow: 0 2px 24px rgba(0, 0, 0, 0.6);
}

.hero-copy .tagline {
  margin-top: 20px;
  font-size: clamp(14px, 2vw, 18px);
  letter-spacing: 0.35em;
  color: #f0e8d6;
  text-shadow: 0 1px 14px rgba(0, 0, 0, 0.9), 0 0 4px rgba(0, 0, 0, 0.7);
}

.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  writing-mode: vertical-rl;
}

.hero-scroll::after {
  content: "";
  display: block;
  width: 1px;
  height: 44px;
  background: var(--gold);
  margin: 10px auto 0;
}

/* ---------- 2カラム(画像+文) ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.split.reverse .split-img { order: 2; }

.split h3 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.2em;
  margin-bottom: 20px;
  color: var(--gold);
}

.section-light .split h3 { color: var(--shu); }

.split p { font-size: 15px; }

.split + .split { margin-top: 90px; }

/* ---------- カードグリッド ---------- */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.card {
  background: var(--sumi-soft);
  border: 1px solid rgba(184, 150, 62, 0.25);
}

.section-light .card {
  background: #fff;
  border-color: rgba(166, 58, 46, 0.2);
}

.card-body { padding: 24px 24px 30px; }

.card-body h3 {
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.15em;
  margin-bottom: 10px;
  color: var(--gold);
}

.section-light .card-body h3 { color: var(--shu); }

.card-body p { font-size: 13.5px; }

.card-body .price {
  display: block;
  margin-top: 14px;
  font-size: 20px;
  color: inherit;
}

.card-body .price small { font-size: 12px; color: var(--text-muted); }

/* ---------- お品書き ---------- */
.menu-note {
  text-align: center;
  font-size: 12.5px;
  color: var(--text-muted);
  margin-top: 40px;
}

.menu-list {
  max-width: 680px;
  margin: 0 auto;
}

.menu-list dl {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 16px 4px;
  border-bottom: 1px dotted rgba(184, 150, 62, 0.4);
}

.section-light .menu-list dl { border-bottom-color: rgba(43, 38, 30, 0.3); }

.menu-list dt { font-size: 15px; }

.menu-list dt small {
  display: block;
  font-size: 11.5px;
  color: var(--text-muted);
}

.menu-list dd { font-size: 15px; white-space: nowrap; }

/* ---------- テーブル(店舗情報) ---------- */
.info-table {
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  border-collapse: collapse;
  font-size: 14.5px;
}

.info-table th,
.info-table td {
  padding: 18px 12px;
  border-bottom: 1px solid rgba(184, 150, 62, 0.25);
  text-align: left;
  vertical-align: top;
}

.section-light .info-table th,
.section-light .info-table td {
  border-bottom-color: rgba(43, 38, 30, 0.2);
}

.info-table th {
  width: 30%;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.15em;
  white-space: nowrap;
}

.section-light .info-table th { color: var(--shu); }

/* ---------- 地図 ---------- */
.map-wrap {
  margin-top: 56px;
  border: 1px solid rgba(184, 150, 62, 0.3);
}

.map-wrap iframe {
  display: block;
  width: 100%;
  height: 420px;
  border: 0;
  filter: grayscale(0.2);
}

/* ---------- 予約 ---------- */
.reserve-tel {
  text-align: center;
  padding: 44px 24px;
  border: 1px solid rgba(184, 150, 62, 0.4);
  max-width: 560px;
  margin: 0 auto;
}

.reserve-tel .tel-number {
  font-size: clamp(28px, 5vw, 40px);
  letter-spacing: 0.08em;
  color: var(--kinari);
  display: inline-block;
  margin: 8px 0 4px;
}

.section-light .reserve-tel .tel-number { color: var(--text-dark); }

.reserve-tel .hours {
  font-size: 13px;
  color: var(--text-muted);
}

.reserve-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  max-width: 760px;
  margin: 56px auto 0;
}

.reserve-box {
  border: 1px solid rgba(184, 150, 62, 0.3);
  padding: 36px 28px;
  text-align: center;
}

.reserve-box h3 {
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.2em;
  color: var(--gold);
  margin-bottom: 14px;
}

.reserve-box p { font-size: 13.5px; margin-bottom: 22px; }

/* ---------- CTA帯 ---------- */
.cta-band {
  background:
    linear-gradient(rgba(20, 17, 13, 0.85), rgba(20, 17, 13, 0.85)),
    var(--sumi-soft);
  border-top: 1px solid rgba(184, 150, 62, 0.25);
  border-bottom: 1px solid rgba(184, 150, 62, 0.25);
  text-align: center;
  padding: 70px 24px;
}

.cta-band h2 {
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.3em;
  margin-bottom: 12px;
}

.cta-band p { font-size: 14px; margin-bottom: 30px; color: var(--gold-light); }

/* ---------- フッター ---------- */
.site-footer {
  background: #0d0b08;
  border-top: 1px solid rgba(184, 150, 62, 0.25);
  padding: 60px 24px 30px;
  text-align: center;
}

.footer-logo {
  font-size: 30px;
  letter-spacing: 0.4em;
  color: var(--kinari);
}

.footer-logo span {
  display: block;
  font-size: 10px;
  letter-spacing: 0.35em;
  color: var(--gold);
  margin-top: 4px;
}

.footer-address {
  margin-top: 18px;
  font-size: 13px;
  color: var(--text-muted);
}

.footer-nav {
  margin-top: 28px;
}

.footer-nav ul {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 28px;
  list-style: none;
  font-size: 12.5px;
}

.footer-nav a:hover { color: var(--gold); }

.copyright {
  margin-top: 36px;
  font-size: 11px;
  color: #5e543f;
  letter-spacing: 0.15em;
}

/* ---------- ギャラリー ---------- */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.gallery-grid figure { margin: 0; }

.gallery-grid img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(184, 150, 62, 0.25);
}

.gallery-grid figcaption {
  margin-top: 8px;
  font-size: 12.5px;
  letter-spacing: 0.15em;
  color: var(--text-muted);
  text-align: center;
}

/* ---------- お知らせ ---------- */
.news-list {
  max-width: 720px;
  margin: 0 auto;
}

.news-item {
  padding: 32px 4px;
  border-bottom: 1px solid rgba(184, 150, 62, 0.25);
}

.news-item:first-child { padding-top: 0; }

.news-item time {
  font-size: 13px;
  letter-spacing: 0.15em;
  color: var(--gold);
}

.news-item h2 {
  margin: 8px 0 12px;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.news-item p { font-size: 14.5px; }

/* ---------- よくあるご質問 ---------- */
.faq-list {
  max-width: 720px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid rgba(184, 150, 62, 0.25);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 22px 36px 22px 40px;
  font-size: 16px;
  letter-spacing: 0.08em;
  position: relative;
  transition: color 0.3s;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before {
  content: "問";
  position: absolute;
  left: 4px;
  top: 22px;
  color: var(--gold);
  font-size: 15px;
}

.faq-item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 20px;
  color: var(--gold);
  font-size: 20px;
  font-family: sans-serif;
  transition: transform 0.3s;
}

.faq-item[open] summary::after { content: "−"; }

.faq-item summary:hover { color: var(--gold-light); }

.faq-item p {
  padding: 0 8px 24px 40px;
  font-size: 14.5px;
  color: var(--text-muted);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 1020px) {
  .nav-toggle { display: block; }

  .global-nav {
    position: fixed;
    inset: 0;
    background: rgba(13, 11, 8, 0.97);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s, visibility 0.3s;
  }

  .global-nav.open { opacity: 1; visibility: visible; }

  .global-nav ul {
    flex-direction: column;
    text-align: center;
    gap: 28px;
  }

  .global-nav a { font-size: 17px; }

  .nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2) { opacity: 0; }
  .nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

  .split,
  .split.reverse { grid-template-columns: 1fr; gap: 32px; }

  .split.reverse .split-img { order: 0; }

  .card-grid { grid-template-columns: 1fr; }

  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: 14px; }

  .reserve-grid { grid-template-columns: 1fr; }

  .section { padding: 64px 0; }

  .page-hero { padding: 130px 24px 50px; }

  .page-hero h1 { font-size: 26px; }

  .info-table th { width: 34%; }
}