/* =============================================
   居酒屋 大ちゃん - メインスタイルシート
   ============================================= */

/* ===== スクロールアニメーション ===== */
.fade-up {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-up.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* 遅延バリエーション（JS側ではなくCSS nth-childで制御） */
.menu-cards .menu-card:nth-child(2) { transition-delay: .1s; }
.menu-cards .menu-card:nth-child(3) { transition-delay: .2s; }
.features-grid .feature-card:nth-child(2) { transition-delay: .08s; }
.features-grid .feature-card:nth-child(3) { transition-delay: .16s; }
.features-grid .feature-card:nth-child(4) { transition-delay: .06s; }
.features-grid .feature-card:nth-child(5) { transition-delay: .12s; }
.features-grid .feature-card:nth-child(6) { transition-delay: .18s; }
.gallery-grid .gallery-item:nth-child(2) { transition-delay: .1s; }
.gallery-grid .gallery-item:nth-child(3) { transition-delay: .15s; }
.gallery-grid .gallery-item:nth-child(4) { transition-delay: .2s; }
.gallery-grid .gallery-item:nth-child(5) { transition-delay: .25s; }

/* --- リセット & ベース --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --amber:      #e8a020;
  --amber-dark: #c47f10;
  --amber-light:#ffeec0;
  --dark:       #1a1208;
  --dark2:      #231a0a;
  --text:       #2d2010;
  --text-light: #7a6040;
  --white:      #fff;
  --bg-light:   #fdf8f0;
  --bg-warm:    #fef5dc;
  --red:        #c0392b;

  --font-sans:  'Noto Sans JP', sans-serif;
  --font-serif: 'Noto Serif JP', serif;

  --radius:     8px;
  --shadow-sm:  0 2px 8px rgba(0,0,0,.12);
  --shadow:     0 4px 20px rgba(0,0,0,.18);
  --shadow-lg:  0 8px 40px rgba(0,0,0,.25);

  --header-h:   72px;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg-light);
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

/* =============================================
   ヘッダー
   ============================================= */
#header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(26, 18, 8, 0.95);
  backdrop-filter: blur(6px);
  border-bottom: 2px solid var(--amber);
  height: var(--header-h);
  transition: all .3s;
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ロゴ */
.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}
.logo-en {
  font-size: .65rem;
  letter-spacing: .25em;
  color: var(--amber);
  font-weight: 700;
  text-transform: uppercase;
}
.logo-jp {
  font-family: var(--font-serif);
  font-size: 1.35rem;
  color: var(--white);
  font-weight: 700;
  letter-spacing: .05em;
}

/* ナビ */
#nav ul {
  display: flex;
  gap: 32px;
}
#nav ul li a {
  color: #f5dba0;
  font-size: .875rem;
  font-weight: 500;
  letter-spacing: .06em;
  transition: color .2s;
  position: relative;
}
#nav ul li a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--amber);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform .25s;
}
#nav ul li a:hover {
  color: var(--amber);
}
#nav ul li a:hover::after {
  transform: scaleX(1);
}

/* ハンバーガー */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}
.hamburger span {
  display: block;
  width: 26px; height: 2px;
  background: var(--amber);
  border-radius: 2px;
  transition: all .3s;
}

/* =============================================
   ヒーロー
   ============================================= */
#hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  background: var(--dark);
}

/* ヒーロースライドショー */
.hero-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.2s ease;
  transform: scale(1.06);
  animation: heroZoom 12s ease infinite alternate;
}

.hero-slide.active {
  opacity: 1;
}

@keyframes heroZoom {
  from { transform: scale(1.05); }
  to   { transform: scale(1.12); }
}

/* ヒーロードット */
.hero-dots {
  position: absolute;
  bottom: 80px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  display: flex;
  gap: 8px;
}

.hero-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,.4);
  cursor: pointer;
  transition: all .3s;
  border: 1px solid rgba(255,255,255,.5);
}

.hero-dot.active {
  background: var(--amber);
  border-color: var(--amber);
  width: 24px;
  border-radius: 4px;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26,18,8,0.3) 0%,
    rgba(26,18,8,0.15) 40%,
    rgba(26,18,8,0.6) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: var(--white);
  padding: 0 24px;
}

.hero-catch {
  display: inline-block;
  background: var(--amber);
  color: var(--dark);
  font-size: .85rem;
  font-weight: 700;
  letter-spacing: .2em;
  padding: 6px 20px;
  border-radius: 100px;
  margin-bottom: 20px;
  text-transform: uppercase;
}

.hero-content h1 {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 10vw, 6rem);
  font-weight: 900;
  line-height: 1.15;
  text-shadow: 0 3px 20px rgba(0,0,0,.5);
  margin-bottom: 16px;
}

.hero-content h1 strong {
  color: var(--amber);
  display: block;
}

.hero-sub {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  color: #f5dba0;
  letter-spacing: .08em;
  margin-bottom: 28px;
  line-height: 1.8;
}

.hero-badges {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.hero-badges span {
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.3);
  color: var(--white);
  font-size: .8rem;
  padding: 6px 16px;
  border-radius: 100px;
  backdrop-filter: blur(4px);
}

.hero-badges span i {
  color: var(--amber);
  margin-right: 5px;
}

.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-hero {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--amber);
  color: var(--dark);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 100px;
  letter-spacing: .08em;
  transition: all .25s;
  box-shadow: 0 4px 20px rgba(232,160,32,.5);
}

.btn-hero:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,160,32,.6);
}

.btn-hero-sub {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 2px solid rgba(255,255,255,.5);
  color: var(--white);
  font-weight: 700;
  font-size: 1rem;
  padding: 12px 30px;
  border-radius: 100px;
  letter-spacing: .08em;
  transition: all .25s;
  backdrop-filter: blur(4px);
}

.btn-hero-sub:hover {
  background: rgba(255,255,255,.25);
  border-color: var(--white);
  transform: translateY(-2px);
}

.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,.6);
  font-size: .65rem;
  letter-spacing: .2em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, rgba(255,255,255,.6), transparent);
  animation: scrollLine 1.8s ease infinite;
}

@keyframes scrollLine {
  0%   { opacity: 1; transform: scaleY(1) translateY(0); }
  100% { opacity: 0; transform: scaleY(0.5) translateY(20px); }
}

/* =============================================
   お知らせ帯
   ============================================= */
.notice-bar {
  background: var(--amber);
  color: var(--dark);
  text-align: center;
  padding: 12px 20px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .05em;
}

.notice-bar i {
  margin-right: 8px;
}

/* =============================================
   セクション共通
   ============================================= */
.section {
  padding: 88px 0;
}

.section-dark {
  background: var(--dark2);
  color: var(--white);
}

.section-amber {
  background: var(--bg-warm);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

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

.section-label {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .3em;
  color: var(--amber);
  margin-bottom: 8px;
}

.section-dark .section-label {
  color: var(--amber);
}

.section-title {
  font-family: var(--font-serif);
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: .05em;
  color: var(--text);
}

.section-dark .section-title {
  color: var(--white);
}

.section-line {
  width: 48px; height: 3px;
  background: var(--amber);
  margin: 16px auto 0;
  border-radius: 2px;
}

.section-desc {
  margin-top: 16px;
  font-size: 1rem;
  color: #bba070;
}

/* =============================================
   お店について
   ============================================= */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}

.about-img {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img img {
  width: 100%;
  height: 400px;
  object-fit: cover;
  transition: transform .5s;
}

.about-img:hover img {
  transform: scale(1.03);
}

.about-img-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(26,18,8,.85), transparent);
  color: var(--amber-light);
  font-size: .85rem;
  padding: 20px 16px 14px;
  text-align: center;
}

.about-text h3 {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 20px;
  color: var(--text);
}

.about-text p {
  color: var(--text-light);
  margin-bottom: 16px;
  font-size: .95rem;
}

.about-text p strong {
  color: var(--amber-dark);
  font-weight: 700;
}

.about-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}

.point {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-warm);
  border: 1px solid #e8d8a0;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: .85rem;
  font-weight: 700;
  color: var(--text);
}

.point i {
  color: var(--amber-dark);
  font-size: 1.1rem;
  width: 20px;
  text-align: center;
}

/* =============================================
   メニュー
   ============================================= */
.menu-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}

.menu-card {
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform .25s, box-shadow .25s;
}

.menu-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0,0,0,.4);
}

.menu-card.featured {
  border-color: var(--amber);
}

.menu-card-img {
  position: relative;
  overflow: hidden;
}

.menu-card-img img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform .4s;
}

.menu-card:hover .menu-card-img img {
  transform: scale(1.06);
}

.menu-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: var(--amber);
  color: var(--dark);
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 100px;
  letter-spacing: .05em;
}

.menu-card-body {
  padding: 20px;
}

.menu-card-body h3 {
  font-family: var(--font-serif);
  font-size: 1.15rem;
  color: var(--white);
  margin-bottom: 10px;
}

.menu-card-body p {
  font-size: .85rem;
  color: #b0a080;
  line-height: 1.7;
  margin-bottom: 14px;
}

.menu-price {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--amber);
}

.menu-price span {
  font-size: .8rem;
  font-weight: 400;
  color: #806040;
}

/* カテゴリー */
.menu-categories {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  padding: 36px;
}

.menu-cat-title {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  color: var(--amber);
  margin-bottom: 24px;
  text-align: center;
}

.menu-cat-title i {
  margin-right: 8px;
}

.menu-cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 28px;
}

.menu-cat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.1);
  border-radius: var(--radius);
  padding: 18px 12px;
  text-align: center;
  transition: background .2s, border-color .2s;
}

.menu-cat-item:hover {
  background: rgba(232,160,32,.12);
  border-color: var(--amber);
}

.menu-cat-item i {
  font-size: 1.5rem;
  color: var(--amber);
}

.menu-cat-item span {
  font-size: .875rem;
  font-weight: 700;
  color: var(--white);
}

.menu-cat-item small {
  font-size: .75rem;
  color: #806040;
}

.menu-link-wrap {
  text-align: center;
}

.btn-menu-link {
  display: inline-block;
  border: 2px solid var(--amber);
  color: var(--amber);
  padding: 12px 32px;
  border-radius: 100px;
  font-size: .9rem;
  font-weight: 700;
  letter-spacing: .05em;
  transition: all .25s;
}

.btn-menu-link:hover {
  background: var(--amber);
  color: var(--dark);
}

.menu-note {
  margin-top: 24px;
  text-align: center;
  font-size: .85rem;
  color: #806040;
  background: rgba(255,255,255,.04);
  border: 1px dashed rgba(255,255,255,.1);
  padding: 14px 20px;
  border-radius: var(--radius);
}

.menu-note i {
  color: var(--amber);
  margin-right: 6px;
}

/* =============================================
   ギャラリー
   ============================================= */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-large {
  grid-column: 1 / 3;
}

.gallery-item {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 4/3;
}

.gallery-large {
  aspect-ratio: 16/9;
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .4s;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  background: linear-gradient(to top, rgba(26,18,8,.9), transparent);
  color: #f5dba0;
  font-size: .8rem;
  padding: 24px 12px 10px;
  text-align: center;
  opacity: 0;
  transition: opacity .3s;
}

.gallery-item:hover .gallery-caption {
  opacity: 1;
}

/* =============================================
   特徴
   ============================================= */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.feature-card {
  background: var(--white);
  border: 1px solid #e8d8a0;
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform .25s, box-shadow .25s;
  box-shadow: var(--shadow-sm);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow);
  border-color: var(--amber);
}

.feature-icon {
  width: 64px; height: 64px;
  background: var(--amber);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.feature-icon i {
  font-size: 1.5rem;
  color: var(--dark);
}

.feature-card h3 {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}

.feature-card p {
  font-size: .875rem;
  color: var(--text-light);
  line-height: 1.75;
}

.feature-card p strong {
  color: var(--amber-dark);
}

/* =============================================
   店舗情報
   ============================================= */
.info-table-wrap {
  background: rgba(255,255,255,.04);
  border: 1px solid rgba(255,255,255,.08);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 40px;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}

.info-table tbody tr {
  border-bottom: 1px solid rgba(255,255,255,.06);
}

.info-table tbody tr:last-child {
  border-bottom: none;
}

.info-table th {
  width: 220px;
  padding: 18px 24px;
  text-align: left;
  font-weight: 700;
  font-size: .875rem;
  color: var(--amber);
  white-space: nowrap;
  vertical-align: top;
  background: rgba(255,255,255,.03);
}

.info-table th i {
  margin-right: 8px;
  width: 16px;
  text-align: center;
}

.info-table td {
  padding: 18px 24px;
  font-size: .9rem;
  color: #d0c0a0;
  vertical-align: top;
}

.info-table td a {
  color: var(--amber);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.info-table td a:hover {
  color: #fff;
}

.cta-wrap {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-call {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--amber);
  color: var(--dark);
  font-weight: 700;
  font-size: 1.05rem;
  padding: 16px 36px;
  border-radius: 100px;
  letter-spacing: .05em;
  transition: all .25s;
  box-shadow: 0 4px 20px rgba(232,160,32,.4);
}

.btn-call:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(232,160,32,.5);
}

.btn-hotpepper {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  border: 2px solid var(--amber);
  color: var(--amber);
  font-weight: 700;
  font-size: 1rem;
  padding: 14px 32px;
  border-radius: 100px;
  letter-spacing: .05em;
  transition: all .25s;
}

.btn-hotpepper:hover {
  background: var(--amber);
  color: var(--dark);
  transform: translateY(-2px);
}

/* =============================================
   アクセス
   ============================================= */
.access-wrap {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 48px;
  align-items: start;
}

.access-address {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: var(--bg-warm);
  border: 1px solid #e8d8a0;
  border-radius: var(--radius);
  padding: 24px;
  margin-bottom: 24px;
}

.access-address i {
  color: var(--red);
  font-size: 1.4rem;
  margin-top: 2px;
}

.access-address strong {
  font-family: var(--font-serif);
  font-size: 1.1rem;
  display: block;
  margin-bottom: 6px;
}

.access-trains {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 20px;
}

.train-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: .9rem;
}

.train-badge {
  display: inline-block;
  font-size: .7rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  white-space: nowrap;
  letter-spacing: .05em;
}

.train-badge.jr {
  background: #f59a00;
  color: #1a1208;
}

.train-badge.metro {
  background: #e60012;
  color: white;
}

.access-note {
  font-size: .875rem;
  color: var(--text-light);
  display: flex;
  gap: 8px;
  align-items: flex-start;
  padding: 14px 16px;
  background: var(--bg-warm);
  border-radius: var(--radius);
  border-left: 3px solid var(--amber);
}

.access-note i {
  color: var(--amber-dark);
  margin-top: 3px;
  flex-shrink: 0;
}

.access-map {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.access-map iframe {
  display: block;
}

/* =============================================
   フッター
   ============================================= */
#footer {
  background: #0e0b05;
  border-top: 2px solid #2a2010;
  color: #a09070;
}

.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 48px 24px 32px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 48px;
  align-items: center;
}

.footer-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.1;
}

.footer-logo .logo-en {
  font-size: .65rem;
  letter-spacing: .25em;
  color: var(--amber);
  font-weight: 700;
}

.footer-logo .logo-jp {
  font-family: var(--font-serif);
  font-size: 1.2rem;
  color: var(--white);
  font-weight: 700;
}

.footer-info p {
  font-size: .85rem;
  margin-bottom: 6px;
  display: flex;
  gap: 8px;
  align-items: center;
}

.footer-info i {
  color: var(--amber);
  width: 14px;
  text-align: center;
}

.footer-info a {
  color: var(--amber);
}

.footer-info a:hover { text-decoration: underline; }

.footer-links a {
  font-size: .85rem;
  color: #806040;
  border: 1px solid #3a2a10;
  padding: 8px 18px;
  border-radius: 100px;
  transition: all .2s;
  display: inline-block;
}

.footer-links a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.footer-copy {
  background: #050300;
  text-align: center;
  padding: 16px;
  font-size: .78rem;
  color: #4a3a20;
  letter-spacing: .05em;
}

/* =============================================
   トップへ戻るボタン
   ============================================= */
.back-to-top {
  position: fixed;
  bottom: 28px; right: 28px;
  z-index: 999;
  width: 48px; height: 48px;
  background: var(--amber);
  color: var(--dark);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(0,0,0,.3);
  transition: all .25s;
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--amber-dark);
  transform: translateY(-2px);
}

/* =============================================
   スマホ固定電話ボタン
   ============================================= */
.float-call {
  display: none; /* デフォルトは非表示、スマホのみ表示 */
  position: fixed;
  bottom: 0; left: 0; right: 0;
  z-index: 998;
  background: var(--amber);
  color: var(--dark);
  text-align: center;
  padding: 14px;
  font-weight: 700;
  font-size: 1rem;
  align-items: center;
  justify-content: center;
  gap: 10px;
  letter-spacing: .05em;
  box-shadow: 0 -3px 16px rgba(0,0,0,.25);
  transition: background .2s;
}

.float-call:hover {
  background: var(--amber-dark);
}

.float-call i {
  font-size: 1.1rem;
  animation: phonePulse 1.8s ease infinite;
}

@keyframes phonePulse {
  0%, 100% { transform: rotate(0deg); }
  10%  { transform: rotate(-15deg); }
  20%  { transform: rotate(15deg); }
  30%  { transform: rotate(-10deg); }
  40%  { transform: rotate(10deg); }
  50%  { transform: rotate(0deg); }
}

/* =============================================
   レスポンシブ
   ============================================= */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }
  .about-img img { height: 280px; }

  .menu-cards {
    grid-template-columns: 1fr;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
  }

  .menu-cat-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid {
    grid-template-columns: 1fr 1fr;
  }
  .gallery-large {
    grid-column: 1 / 3;
  }

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

  .info-table th {
    width: 160px;
  }

  .access-wrap {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-inner {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }

  .footer-info p {
    justify-content: center;
  }
}

@media (max-width: 640px) {
  :root { --header-h: 60px; }

  /* スマホ固定電話ボタン表示 */
  .float-call {
    display: flex;
  }

  /* フッターの下に固定ボタン分の余白 */
  #footer {
    padding-bottom: 60px;
  }

  #nav {
    position: fixed;
    top: var(--header-h);
    left: 0; right: 0;
    background: rgba(20,14,6,.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--amber);
    transform: translateY(-110%);
    transition: transform .35s ease;
    padding: 16px 0 24px;
  }

  #nav.open {
    transform: translateY(0);
  }

  #nav ul {
    flex-direction: column;
    gap: 0;
  }

  #nav ul li a {
    display: block;
    padding: 13px 28px;
    font-size: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.06);
  }

  .hamburger {
    display: flex;
  }

  /* ハンバーガーオープン状態 */
  .hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .hamburger.open span:nth-child(2) {
    opacity: 0;
  }
  .hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }

  .hero-content h1 {
    font-size: 2.8rem;
  }

  .section {
    padding: 64px 0;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
  }
  .gallery-large {
    grid-column: 1;
  }

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

  .about-points {
    grid-template-columns: 1fr 1fr;
  }

  .info-table {
    display: block;
  }
  .info-table tbody {
    display: block;
  }
  .info-table tr {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid rgba(255,255,255,.08);
  }
  .info-table th,
  .info-table td {
    display: block;
    width: 100%;
    padding: 4px 20px;
  }
  .info-table th {
    padding-bottom: 8px;
    font-size: .8rem;
  }

  .cta-wrap {
    flex-direction: column;
    align-items: center;
  }

  .btn-call, .btn-hotpepper {
    width: 100%;
    justify-content: center;
    max-width: 340px;
  }

  .menu-categories {
    padding: 24px 16px;
  }

  .menu-cat-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 400px) {
  .hero-badges {
    flex-direction: column;
    align-items: center;
  }
  .hero-btns {
    flex-direction: column;
    align-items: center;
  }
  .about-points {
    grid-template-columns: 1fr;
  }
}