/* ============================================
   パティスリー カヌリエ — style.css
   ============================================ */

/* --- Google Fonts は HTML 側で読み込み --- */

/* ============================================
   1. CSS変数（デザイントークン）
   ============================================ */
:root {
  --color-bg:         #F7F2E5; /* ロゴ背景に合わせた、上品なフレンチ・アイボリー */
  --color-bg-dark:    #1A4853; /* ロゴの文字色に合わせた、深みのあるフレンチ・ブルーグリーン */
  --color-surface:    #ECE7DA; /* 落ち着いたアイボリー */
  --color-border:     #DFD9CC; /* 柔らかな境界線 */
  --color-text:       #1A4853; /* 文字色はロゴのブルーグリーンを基準に */
  --color-text-muted: #6B5E56; /* 装飾のブラウンから派生した落ち着いたアッシュブラウン */
  --color-gold:       #A28574; /* メインアクセントにロゴの装飾ブラウンを使用 */
  --color-gold-light: #BCA393; /* 明るめのココアブラウン */
  --color-placeholder:#DFD9CC; /* プレースホルダー */

  --font-serif-en: 'Cormorant Garamond', 'Noto Serif JP', serif;
  --font-serif-ja: 'Noto Serif JP', serif;
  --font-sans-ja:  'Noto Sans JP', sans-serif;
  --font-script:   'Monsieur La Doulaise', cursive; /* 優美な筆記体フォント */
  --font-bodoni:   'Libre Bodoni', serif;

  --max-width: 1200px;
  --header-h:  72px; /* ロゴサイズに合わせて少し高さを調整 */

  --ease-out: cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans-ja);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

ul, ol {
  list-style: none;
}

/* ============================================
   3. ユーティリティ
   ============================================ */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.section-label {
  display: block;
  font-family: var(--font-serif-en);
  font-size: 0.65rem;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-gold);
  margin-bottom: 12px;
}

.section-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 400;
  line-height: 1.4;
  letter-spacing: 0.05em;
  color: var(--color-text);
}

.section-title-en {
  font-family: var(--font-bodoni);
  font-size: clamp(2.0rem, 4vw, 3.2rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  line-height: 1.2;
}

/* ---- フェードイン アニメーション ---- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}
.fade-in-delay-1 { transition-delay: 0.1s; }
.fade-in-delay-2 { transition-delay: 0.2s; }
.fade-in-delay-3 { transition-delay: 0.3s; }
.fade-in-delay-4 { transition-delay: 0.4s; }

/* グレープレースホルダー */
.photo-placeholder {
  background-color: var(--color-placeholder);
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  box-sizing: border-box;
}

.placeholder-text {
  font-family: var(--font-serif-ja);
  font-size: clamp(0.75rem, 1.5vw, 0.85rem);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  line-height: 1.5;
}

/* ============================================
   4. ヘッダー
   ============================================ */
#site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  transition: background 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out);
}

#site-header.scrolled {
  background: rgba(247, 242, 229, 0.96);
  backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border);
}

#site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.site-logo {
  display: flex;
  align-items: center;
  height: 100%;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s var(--ease-out);
}
.logo-image {
  height: 52px;
  width: auto;
  display: block;
  mix-blend-mode: multiply; /* 背景を自然に溶け込ませる */
}

/* PC ナビ */
.header-nav {
  display: flex;
  align-items: center;
  gap: 36px;
}
.header-nav a {
  font-family: var(--font-serif-en);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color 0.25s;
  position: relative;
}
.header-nav a::after {
  content: '';
  display: block;
  position: absolute;
  bottom: -3px;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-gold);
  transition: width 0.3s var(--ease-out);
}
.header-nav a:hover {
  color: var(--color-text);
}
.header-nav a:hover::after {
  width: 100%;
}

/* ハンバーガーボタン */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  background: none;
  border: none;
  padding: 4px;
  z-index: 200;
}
.hamburger span {
  display: block;
  width: 22px;
  height: 1px;
  background: var(--color-text);
  transition: transform 0.35s var(--ease-out), opacity 0.35s;
}
.hamburger.active span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* モバイルメニュー */
.mobile-menu {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--color-bg);
  z-index: 150;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 36px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease-out);
}
.mobile-menu.open {
  display: flex;
  opacity: 1;
  pointer-events: all;
}
.mobile-menu a {
  font-family: var(--font-serif-en);
  font-size: 1.4rem;
  font-weight: 300;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: color 0.25s;
}
.mobile-menu a:hover {
  color: var(--color-gold);
}
.mobile-menu .menu-ja {
  display: block;
  font-family: var(--font-serif-ja);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: var(--color-text-muted);
  text-align: center;
  margin-top: 4px;
  text-transform: none;
}

/* ============================================
   5. ヒーロー
   ============================================ */
#hero {
  position: relative;
  height: 100svh;
  min-height: 560px;
  overflow: hidden;
}

.hero-image {
  position: absolute;
  inset: 0;
  background-color: var(--color-placeholder);
}

/* グレープレースホルダー上のテキストのため薄い暗幕 */
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(26, 25, 20, 0.08) 0%,
    rgba(26, 25, 20, 0.32) 100%
  );
}

.hero-content {
  position: absolute;
  bottom: 60px;
  left: 0;
  right: 0;
  padding: 0 32px;
  text-align: left;
}
.hero-content .container {
  position: relative;
}

.hero-title-en {
  font-family: var(--font-serif-en);
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 300;
  letter-spacing: 0.1em;
  color: #fff;
  line-height: 1;
  margin-bottom: 10px;
}
.hero-subtitle {
  font-family: var(--font-serif-ja);
  font-size: clamp(0.75rem, 1.5vw, 0.9rem);
  letter-spacing: 0.3em;
  color: rgba(255,255,255,0.85);
}

.hero-scroll {
  position: absolute;
  bottom: 32px;
  right: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}
.hero-scroll span {
  font-family: var(--font-serif-en);
  font-size: 0.6rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.5);
  position: relative;
  overflow: hidden;
}
.scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(255,255,255,0.9);
  animation: scrollDrop 2s ease-in-out infinite;
}
@keyframes scrollDrop {
  0%   { top: -100%; }
  100% { top: 100%; }
}

/* ============================================
   6. コンセプト（Message）
   ============================================ */
#concept {
  padding: 120px 0;
  background: var(--color-bg);
}

.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.concept-text-col {
  /* left column */
}

.concept-heading {
  margin-bottom: 40px;
}

.concept-body {
  font-family: var(--font-serif-ja);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}
.concept-body p {
  margin-bottom: 1.8em;
}
.concept-body p:last-child {
  margin-bottom: 0;
}

.concept-divider {
  width: 40px;
  height: 1px;
  background: var(--color-gold);
  margin: 36px 0;
}

.concept-story {
  font-family: var(--font-serif-ja);
  font-size: 0.85rem;
  line-height: 2.1;
  color: var(--color-text-muted);
}

/* ---- スライドショーの構造定義 ---- */
.hero-slides,
.concept-slides {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-slide,
.concept-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

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

/* 右側の写真 */
.concept-image-col {
  position: sticky;
  top: calc(var(--header-h) + 40px);
  height: 480px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(26, 43, 36, 0.04);
}

.concept-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

/* ============================================
   7. ギャラリー
   ============================================ */
#gallery {
  padding: 100px 0;
  background: var(--color-surface);
}

.gallery-header {
  margin-bottom: 56px;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.gallery-img-wrapper {
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  box-shadow: 0 4px 12px rgba(26, 43, 36, 0.03);
  background-color: var(--color-placeholder);
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.gallery-item:hover .gallery-img {
  transform: scale(1.04);
}

.gallery-note {
  margin-top: 40px;
  text-align: center;
  font-family: var(--font-serif-ja);
  font-size: 0.8rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
}
.gallery-note a {
  color: var(--color-gold);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color 0.25s;
}
.gallery-note a:hover {
  color: var(--color-gold-light);
}

/* ============================================
   7-2. パティシエ（Patissier）
   ============================================ */
#patissier {
  padding: 120px 0;
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.patissier-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.patissier-img-wrapper {
  width: 100%;
  height: 520px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(26, 43, 36, 0.06);
}

.patissier-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.patissier-heading {
  margin-bottom: 40px;
}

.patissier-body {
  font-family: var(--font-serif-ja);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.patissier-body .highlight-text {
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text);
  line-height: 2;
  margin-bottom: 24px;
  border-left: 2px solid var(--color-gold);
  padding-left: 16px;
}

.patissier-body p {
  margin-bottom: 1.8em;
}
.patissier-body p:last-child {
  margin-bottom: 0;
}

/* ============================================
   8. オンラインショップ (BASE)
   ============================================ */
#shop {
  padding: 100px 0;
  background: var(--color-bg-dark);
}

.shop-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.shop-inner .section-label {
  color: var(--color-gold-light);
}

.shop-title {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.1rem, 4.2vw, 2.2rem);
  font-weight: 400;
  letter-spacing: 0.05em;
  color: #fff;
  margin-bottom: 20px;
  white-space: nowrap; /* スマホ表示で改行を防止 */
}

.shop-desc {
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
  color: rgba(255,255,255,0.6);
  letter-spacing: 0.08em;
  margin-bottom: 48px;
}

.btn-shop {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-serif-en);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 16px 40px;
  transition: background 0.35s, color 0.35s;
}
.btn-shop:hover {
  background: var(--color-gold);
  color: var(--color-bg-dark);
}
.btn-shop svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
}
.btn-shop:hover svg {
  transform: translateX(4px);
}

/* ============================================
   9. 店舗情報（Info）
   ============================================ */
#info {
  padding: 100px 0;
  background: var(--color-bg);
}

.info-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.info-table {
  width: 100%;
  border-collapse: collapse;
}
.info-table tr {
  border-bottom: 1px solid var(--color-border);
}
.info-table tr:first-child {
  border-top: 1px solid var(--color-border);
}
.info-table th {
  font-family: var(--font-serif-en);
  font-size: 0.68rem;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  text-align: left;
  padding: 20px 0;
  width: 30%;
  vertical-align: top;
}
.info-table td {
  font-family: var(--font-serif-ja);
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--color-text);
  padding: 20px 0 20px 16px;
  vertical-align: top;
}

.info-instagram-link {
  text-decoration: underline;
  text-underline-offset: 4px;
  color: var(--color-text);
  transition: color 0.25s;
}
.info-instagram-link:hover {
  color: var(--color-gold);
}

.info-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* 右側 - 予約・問い合わせ */
.info-contact-col {
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.info-contact-block {
  padding: 36px;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}
.info-contact-block .block-label {
  font-family: var(--font-serif-en);
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
  display: block;
  margin-bottom: 12px;
}
.info-contact-block .block-title {
  font-family: var(--font-serif-ja);
  font-size: 1rem;
  font-weight: 400;
  margin-bottom: 16px;
}
.info-contact-block .phone-number {
  font-family: var(--font-serif-en);
  font-size: 1.5rem;
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--color-text);
}
.info-contact-block .phone-number a {
  color: inherit;
  text-decoration: none;
  transition: color 0.25s;
}
.info-contact-block .phone-number a:hover {
  color: var(--color-gold);
}
.info-contact-block .block-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  margin-top: 8px;
  line-height: 1.7;
}

/* ============================================
   10. アクセス
   ============================================ */
#access {
  padding: 0;
  background: var(--color-bg);
}

.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 520px;
}

/* Googleマップ */
.access-map {
  position: relative;
  min-height: 480px;
}
.access-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: none;
  filter: grayscale(15%) contrast(1.05);
}

/* アクセス情報 */
.access-info {
  padding: 72px 64px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 32px;
}

.access-info .section-label {
  margin-bottom: 4px;
}

.access-address {
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
  line-height: 2;
  color: var(--color-text);
}

.access-divider {
  width: 32px;
  height: 1px;
  background: var(--color-gold);
}

.access-detail {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.access-detail-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-family: var(--font-serif-ja);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--color-text);
}
.access-detail-item .item-label {
  font-family: var(--font-serif-en);
  font-size: 0.62rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-gold);
  white-space: nowrap;
  padding-top: 3px;
  min-width: 52px;
}

.parking-note {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  display: block;
  margin-top: 2px;
}

.access-parking-map {
  margin-top: 12px;
  width: 100%;
  max-width: 360px;
  border: 1px solid var(--color-border);
  box-shadow: 0 8px 20px rgba(26, 43, 36, 0.05);
  background-color: #fff;
  padding: 8px;
  border-radius: 4px;
}

.parking-map-img {
  width: 100%;
  height: auto;
  display: block;
}

/* ============================================
   11. フッター
   ============================================ */
#site-footer {
  background: var(--color-bg-dark);
  padding: 60px 0 40px;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
}

.footer-logo {
  display: flex;
  justify-content: center;
  width: 100%;
}
.footer-logo-image {
  height: 72px;
  width: auto;
  display: block;
  padding: 8px;
  background: var(--color-bg); /* アイボリーのタグのように見せる演出 */
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.footer-nav {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
  justify-content: center;
}
.footer-nav a {
  font-family: var(--font-serif-en);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  transition: color 0.25s;
}
.footer-nav a:hover {
  color: var(--color-gold-light);
}

.footer-line {
  width: 100%;
  height: 1px;
  background: rgba(255,255,255,0.08);
}

.footer-copy {
  font-family: var(--font-serif-en);
  font-size: 0.6rem;
  letter-spacing: 0.15em;
  color: rgba(255,255,255,0.3);
}

/* ============================================
   10-2. ホールケーキ（Whole Cake）
   ============================================ */
#wholecake {
  padding: 120px 0;
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.wholecake-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto auto auto;
  gap: 0 80px;
  align-items: start;
}

.wholecake-intro-col {
  grid-column: 1 / 2;
  grid-row: 1 / 2;
}

.wholecake-desc-text {
  font-family: var(--font-serif-ja);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.wholecake-details-col {
  grid-column: 1 / 2;
  grid-row: 2 / 3;
}

.wholecake-heading {
  margin-bottom: 40px;
}

.wholecake-body {
  font-family: var(--font-serif-ja);
  font-size: 0.95rem;
  line-height: 2.2;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.wholecake-body p {
  margin-bottom: 1.8em;
}

/* ご予約注意事項（上品でわかりやすいボックス） */
.wholecake-notice {
  margin: 32px 0;
  padding: 28px;
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  border-left: 3px solid var(--color-gold);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(26, 43, 36, 0.02);
}

.wholecake-notice .notice-title {
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.wholecake-notice ul {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wholecake-notice li {
  display: flex;
  align-items: flex-start;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--color-text-muted);
}

.wholecake-notice li .bullet {
  color: var(--color-gold);
  margin-right: 6px;
  font-weight: bold;
}

.wholecake-notice li .text {
  flex: 1;
}

.wholecake-notice li .highlight {
  color: #c95c47;
  font-weight: 500;
}

.wholecake-action {
  margin-top: 36px;
}

/* スライドショーの構造定義 */
.wholecake-image-col {
  grid-column: 2 / 3;
  grid-row: 1 / 4;
  position: relative;
  height: 100%;
  min-height: 480px;
  overflow: hidden;
  box-shadow: 0 12px 32px rgba(26, 43, 36, 0.04);
}

.wholecake-slides {
  position: relative;
  width: 100%;
  height: 100%;
}

.wholecake-slide {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0;
  transition: opacity 1.5s ease-in-out;
}

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

/* ============================================
   10-3. ホールケーキ詳細ページ (wholecake.html)
   ============================================ */
.page-header {
  padding: 160px 0 20px;
  background: transparent;
  text-align: center;
  border-bottom: none;
}

.page-title-en {
  font-family: var(--font-bodoni);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--color-gold);
  line-height: 1.2;
}

.page-subtitle {
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-top: 8px;
}

.wholecake-detail-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.cake-grid {
  display: flex;
  flex-direction: column;
  gap: 80px;
}

.cake-card {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

/* 交互配置 */
.cake-card:nth-child(even) {
  direction: rtl;
}

.cake-card:nth-child(even) .cake-info-col {
  direction: ltr;
}

.cake-img-col {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  box-shadow: 0 12px 28px rgba(26, 43, 36, 0.05);
  background-color: var(--color-placeholder);
}

.cake-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s var(--ease-out);
}

.cake-img-col:hover .cake-img {
  transform: scale(1.05);
}

.cake-info-col {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.cake-name-en {
  font-family: var(--font-serif-en);
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  color: var(--color-gold);
}

.cake-name-ja {
  font-family: var(--font-serif-ja);
  font-size: clamp(1.4rem, 2.5vw, 1.8rem);
  font-weight: 500;
  color: var(--color-text);
  line-height: 1.3;
}

.cake-desc {
  font-family: var(--font-serif-ja);
  font-size: 0.92rem;
  line-height: 2;
  color: var(--color-text-muted);
}

.cake-price-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}

.cake-price-item {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-serif-ja);
  font-size: 0.9rem;
}

.cake-price-size {
  color: var(--color-text);
}

.cake-price-value {
  font-family: var(--font-serif-en);
  color: var(--color-gold);
  font-weight: 500;
}

.cake-meta {
  font-size: 0.78rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

.cake-back-actions {
  text-align: center;
  margin-top: 80px;
}

.btn-back {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-gold);
  color: var(--color-gold);
  font-family: var(--font-serif-en);
  font-size: 0.8rem;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  padding: 16px 48px;
  transition: background 0.35s, color 0.35s;
}

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

.btn-back svg {
  width: 14px;
  height: 14px;
  transition: transform 0.3s;
  transform: rotate(180deg);
}

.btn-back:hover svg {
  transform: rotate(180deg) translateX(4px);
}

.sp-only {
  display: none;
}

.cake-other-notice {
  text-align: center;
  margin-top: 80px;
  font-family: var(--font-serif-ja);
  font-size: clamp(0.9rem, 2vw, 1.05rem);
  font-weight: 500;
  color: #c95c47;
  letter-spacing: 0.05em;
  line-height: 1.8;
}

/* ============================================
   12. レスポンシブ
   ============================================ */

/* タブレット（〜1024px） */
@media (max-width: 1024px) {
  :root {
    --header-h: 60px;
  }

  .header-nav {
    display: none;
  }
  .hamburger {
    display: flex;
  }

  /* スクロール前はロゴ非表示 */
  #site-header:not(.scrolled) .site-logo {
    opacity: 0;
    visibility: hidden;
  }

  .concept-inner,
  .patissier-inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .concept-image-col {
    position: static;
  }

  .wholecake-inner {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
    gap: 32px;
  }
  .wholecake-intro-col,
  .wholecake-action,
  .wholecake-details-col {
    grid-column: auto;
    grid-row: auto;
  }
  .wholecake-image-col {
    position: relative;
    grid-column: auto;
    grid-row: auto;
    height: 360px;
    min-height: auto;
  }
  
  .wholecake-action {
    text-align: center;
    margin: 12px 0 0;
  }
  
  .wholecake-action .btn-shop {
    padding: 12px 28px;
    font-size: 0.72rem;
    letter-spacing: 0.18em;
  }
  .concept-img-main {
    height: 320px;
    width: 100%;
  }

  .info-inner {
    grid-template-columns: 1fr;
    gap: 52px;
  }

  .access-inner {
    grid-template-columns: 1fr;
  }
  .access-map {
    min-height: 380px;
  }
  .access-info {
    padding: 56px 32px;
  }
}

/* スマートフォン（〜768px） */
@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .sp-only {
    display: block;
  }

  .cake-other-notice {
    margin-top: 52px;
    padding: 0 10px;
  }

  #concept,
  #patissier {
    padding: 80px 0;
  }
  #gallery {
    padding: 72px 0;
  }
  #shop {
    padding: 72px 0;
  }
  #info {
    padding: 72px 0;
  }
  .access-info {
    padding: 52px 20px;
  }

  /* ギャラリー: 2カラム */
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }

  /* コンセプト写真・ホールケーキ写真: 縦積み・スライドショー */
  .concept-image-col,
  .wholecake-image-col {
    position: static;
    height: 320px;
    width: 100%;
  }

  /* ホールケーキ詳細カードのレスポンシブ */
  .cake-card {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cake-card:nth-child(even) {
    direction: ltr;
  }
  .cake-img-col {
    aspect-ratio: 16 / 10;
  }

  .patissier-img-wrapper {
    height: 360px;
  }

  .info-contact-block {
    padding: 24px;
  }

  .footer-nav {
    gap: 18px;
  }

  .hero-content {
    bottom: 48px;
  }
  .hero-scroll {
    display: none;
  }

  /* 店舗情報テーブルのスマホ調整 */
  .info-table th {
    width: 25%;
  }
  .info-table td {
    padding-left: 8px;
  }
}

/* 小画面（〜480px） */
@media (max-width: 480px) {
  .site-logo .logo-image {
    height: 44px; /* 小画面時はロゴをさらに少しコンパクトにする */
  }
}

/* ============================================
   13. オープニングアニメーション
   ============================================ */
#opening-mask {
  position: fixed;
  inset: 0;
  background-color: var(--color-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 1.2s cubic-bezier(0.85, 0, 0.15, 1), visibility 1.2s;
}

#opening-mask.loaded {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.opening-logo-wrapper {
  opacity: 0;
  transform: scale(0.95) translateY(12px);
  animation: logoFadeInUp 1.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
  animation-delay: 0.2s;
}

.opening-logo {
  height: clamp(180px, 28vw, 280px); /* ロゴを約2倍近く大きく表示して視認性とインパクトを向上 */
  width: auto;
  display: block;
  mix-blend-mode: multiply;
}

@keyframes logoFadeInUp {
  to {
    opacity: 1;
    transform: scale(1) translateY(0);
  }
}