/* ==========================================================================
   ろぐ亭 HP CSS Design System
   ========================================================================== */

/* 1. 変数と初期設定 */
:root {
    --color-bg-cream: #FCFAF6;
    --color-bg-cream-dark: #F5EFE4;
    --color-text-dark: #36251C;
    --color-text-muted: #6B5B52;
    --color-accent-brown: #8C6D58;
    --color-accent-brown-light: #BCA392;
    --color-white: #FFFFFF;
    --color-gray-placeholder-bg: #EAE5DF;
    --color-gray-placeholder-border: #D1C7BD;
    --color-gray-placeholder-text: #8C8075;
    
    --font-serif: 'Shippori Mincho', 'Noto Serif JP', Georgia, serif;
    --font-sans: 'Noto Sans JP', 'Montserrat', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --transition-fast: all 0.2s ease;
    --shadow-soft: 0 10px 30px rgba(54, 37, 28, 0.04);
    --shadow-medium: 0 15px 40px rgba(54, 37, 28, 0.08);
    --shadow-input: inset 0 2px 4px rgba(54, 37, 28, 0.02);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--color-bg-cream);
    color: var(--color-text-dark);
    font-family: var(--font-sans);
    line-height: 1.8;
    letter-spacing: 0.05em;
    overflow-x: hidden;
}

/* 2. リセット & ベーススタイル */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.4;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* 3. ボタンコンポーネント */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    border-radius: 4px;
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background-color: var(--color-accent-brown);
    color: var(--color-white);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.35) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: all 0.6s ease;
}

.btn-primary:hover::before {
    left: 130%;
}

.btn-primary:hover {
    background-color: var(--color-text-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(140, 109, 88, 0.3);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-dark);
    border: 1px solid var(--color-text-dark);
}

.btn-secondary:hover {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn-white-border {
    background-color: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    gap: 8px;
}

.btn-white-border:hover {
    background-color: var(--color-white);
    color: var(--color-text-dark);
    border-color: var(--color-white);
}

/* 4. ヘッダー */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(252, 250, 246, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(140, 109, 88, 0.1);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1300px;
    margin: 0 auto;
    padding: 8px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    flex-direction: column;
}

.logo-kanji {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text-dark);
    letter-spacing: 0.15em;
    line-height: 1.2;
}

.logo-sub {
    font-size: 0.7rem;
    color: var(--color-accent-brown);
    letter-spacing: 0.25em;
    font-weight: 500;
    animation: logo-reveal 1.8s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

@keyframes logo-reveal {
    from {
        letter-spacing: 0.02em;
        opacity: 0;
    }
    to {
        letter-spacing: 0.25em;
        opacity: 1;
    }
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-dark);
    position: relative;
    padding: 8px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent-brown);
    transition: var(--transition-fast);
}

.nav-menu a:hover::after {
    width: 100%;
}

.nav-menu .nav-btn {
    background-color: var(--color-accent-brown);
    color: var(--color-white);
    padding: 8px 20px;
    border-radius: 4px;
    position: relative;
    overflow: hidden;
}

.nav-menu .nav-btn::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -60%;
    width: 30%;
    height: 200%;
    background: linear-gradient(
        to right,
        rgba(255, 255, 255, 0) 0%,
        rgba(255, 255, 255, 0.35) 50%,
        rgba(255, 255, 255, 0) 100%
    );
    transform: rotate(30deg);
    transition: all 0.6s ease;
}

.nav-menu .nav-btn:hover::before {
    left: 130%;
}

.nav-menu .nav-btn::after {
    display: none;
}

.nav-menu .nav-btn:hover {
    background-color: var(--color-text-dark);
    transform: translateY(-1px);
}

/* モバイルメニューボタン */
.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.mobile-menu-btn .bar {
    width: 25px;
    height: 2px;
    background-color: var(--color-text-dark);
    transition: var(--transition-fast);
}

/* 5. ヒーローセクション */
.hero-section {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 0 24px;
    /* 上質な和風のグラデーション背景 */
    background: linear-gradient(135deg, #FAF6F0 0%, #EAE2D5 100%);
    overflow: hidden;
}

.hero-bg-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(140, 109, 88, 0.05) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.6;
    animation: backgroundDrift 30s linear infinite;
}

@keyframes backgroundDrift {
    from {
        background-position: 0 0;
    }
    to {
        background-position: 40px 40px;
    }
}

/* ヒーロー背景スライドショー */
.hero-slideshow {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: hero-fade 10s infinite;
}

@keyframes hero-fade {
    0% { opacity: 0.22; }
    40% { opacity: 0.22; }
    50% { opacity: 0; }
    90% { opacity: 0; }
    100% { opacity: 0.22; }
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 800px;
}

.hero-sub {
    font-size: 1.1rem;
    font-family: var(--font-serif);
    color: var(--color-accent-brown);
    letter-spacing: 0.4em;
    margin-bottom: 24px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 3.5rem;
    margin-bottom: 32px;
    color: var(--color-text-dark);
}

.hero-title .serif-title {
    display: block;
    font-family: var(--font-serif);
    font-weight: 500;
    letter-spacing: 0.15em;
}

.hero-title .font-small {
    font-size: 2.5rem;
    margin-top: 10px;
}

.hero-brand {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 24px;
}

.brand-line {
    width: 60px;
    height: 1px;
    background-color: var(--color-accent-brown);
}

.brand-name {
    font-family: var(--font-serif);
    font-size: 2.2rem;
    letter-spacing: 0.2em;
    font-weight: 700;
}

.hero-desc {
    font-size: 1.05rem;
    color: var(--color-text-muted);
    margin-bottom: 40px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    z-index: 10;
}

.scroll-text {
    font-size: 0.75rem;
    letter-spacing: 0.3em;
    font-family: var(--font-sans);
    color: var(--color-accent-brown);
}

.scroll-line {
    width: 1px;
    height: 60px;
    background-color: var(--color-accent-brown-light);
    position: relative;
    overflow: hidden;
}

.scroll-line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 30px;
    background-color: var(--color-accent-brown);
    animation: scroll-anim 2s infinite ease-in-out;
}

@keyframes scroll-anim {
    0% { transform: translateY(-30px); }
    50% { transform: translateY(60px); }
    100% { transform: translateY(60px); }
}

/* 6. セクションのヘッダー・共通レイアウト */
section {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-subtitle {
    display: block;
    font-size: 0.85rem;
    color: var(--color-accent-brown);
    letter-spacing: 0.3em;
    margin-bottom: 12px;
    text-transform: uppercase;
    font-weight: 500;
}

.section-subtitle.light {
    color: var(--color-accent-brown-light);
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    color: var(--color-text-dark);
    margin-bottom: 20px;
    letter-spacing: 0.08em;
}

.section-desc {
    color: var(--color-text-muted);
    font-size: 1rem;
    max-width: 600px;
    margin: 0 auto;
}

.text-center {
    text-align: center;
}

/* 7. コンセプトセクション */
.concept-section {
    background-color: var(--color-bg-cream);
}

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

.concept-image-area {
    position: relative;
    padding-left: 60px;
}

.vertical-banner {
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    gap: 24px;
    z-index: 20;
}

.vertical-text {
    writing-mode: vertical-rl;
    text-orientation: mixed;
    font-family: var(--font-serif);
    font-size: 1.25rem;
    color: var(--color-text-dark);
    letter-spacing: 0.4em;
    font-weight: 500;
    line-height: 1;
}

.vertical-text.text-1 {
    color: var(--color-accent-brown);
}

/* プレースホルダーのプレミアムデザイン */
.styled-placeholder {
    background: linear-gradient(135deg, var(--color-gray-placeholder-bg) 0%, #DED9D2 100%);
    border: 1px dashed var(--color-gray-placeholder-border);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-placeholder-text);
    position: relative;
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.styled-placeholder::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(140, 109, 88, 0.05) 1px, transparent 1px);
    background-size: 12px 12px;
}

.placeholder-inner {
    text-align: center;
    z-index: 5;
    padding: 24px;
}

.placeholder-icon {
    margin-bottom: 12px;
    opacity: 0.7;
    transition: var(--transition-smooth);
}

.placeholder-text {
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    color: var(--color-gray-placeholder-text);
}

.hero-placeholder {
    height: 500px;
    width: 100%;
}

/* コンセプト背景スライドショー */
.concept-slideshow {
    position: relative;
    overflow: hidden;
    border-radius: 8px;
    box-shadow: var(--shadow-soft);
    background-color: var(--color-bg-cream-dark);
}

.concept-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    opacity: 0;
    animation: concept-fade 10s infinite;
}

@keyframes concept-fade {
    0% { opacity: 1; }
    40% { opacity: 1; }
    50% { opacity: 0; }
    90% { opacity: 0; }
    100% { opacity: 1; }
}

.concept-text-area {
    padding-left: 20px;
}

.concept-text-area .section-title {
    font-size: 1.8rem;
    line-height: 1.5;
}

.concept-lead {
    font-size: 1.2rem;
    font-family: var(--font-serif);
    line-height: 1.8;
    color: var(--color-accent-brown);
    margin-bottom: 32px;
}

.concept-body p {
    margin-bottom: 20px;
    color: var(--color-text-muted);
}

.concept-highlight {
    background-color: var(--color-white);
    padding: 24px;
    border-left: 3px solid var(--color-accent-brown);
    font-size: 0.95rem;
    border-radius: 0 8px 8px 0;
    box-shadow: var(--shadow-soft);
    margin-top: 30px;
}

/* 8. メニューセクション */
.menu-section {
    background-color: var(--color-bg-cream-dark);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-bottom: 60px;
}

.menu-card {
    background-color: var(--color-white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.menu-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-medium);
}

.menu-image-container {
    width: 100%;
}

/* メニュー画像表示ラッパー (画像全体を表示) */
.menu-image-wrapper {
    height: 240px;
    width: 100%;
    background-color: var(--color-bg-cream);
    display: flex;
    align-items: center;
    justify-content: center;
    border-bottom: 1px solid rgba(140, 109, 88, 0.15);
    overflow: hidden;
}

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

/* 夜の部メニュー画像スライドショー */
.menu-slideshow {
    position: relative;
}

.menu-slide-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0;
    animation: menu-fade 10s infinite;
}

@keyframes menu-fade {
    0% { opacity: 1; }
    40% { opacity: 1; }
    50% { opacity: 0; }
    90% { opacity: 0; }
    100% { opacity: 1; }
}

.menu-placeholder {
    height: 240px;
    border-radius: 0;
    border: none;
    border-bottom: 1px solid var(--color-gray-placeholder-border);
}

.menu-info {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

.menu-header-row {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.menu-item-title {
    font-size: 1.25rem;
    color: var(--color-text-dark);
}

.menu-time, .menu-badge {
    font-size: 0.75rem;
    font-weight: 500;
    padding: 4px 8px;
    border-radius: 4px;
    letter-spacing: 0.05em;
}

.menu-time {
    background-color: var(--color-bg-cream-dark);
    color: var(--color-accent-brown);
}

.menu-badge {
    background-color: #E2D1C3;
    color: #5D4037;
}

.menu-price-tag {
    font-size: 0.95rem;
    font-weight: 700;
    color: #61460B;
    margin-bottom: 16px;
    font-family: var(--font-sans);
    background-color: #FFF9E6;
    border-left: 3px solid #D4A31C;
    padding: 6px 14px;
    display: inline-block;
    letter-spacing: 0.05em;
}

.menu-item-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-top: auto;
}

.menu-more-btn-container {
    text-align: center;
    margin-top: 40px;
    margin-bottom: 60px;
}

.menu-more-btn {
    min-width: 200px;
}

/* 貸切バナー */
.charter-banner {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    border-radius: 8px;
    padding: 60px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
    margin-top: 60px;
}

.charter-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px);
    background-size: 24px 24px;
    opacity: 0.5;
}

.charter-content {
    position: relative;
    z-index: 10;
    max-width: 700px;
}

.charter-badge {
    display: inline-block;
    font-size: 0.75rem;
    letter-spacing: 0.25em;
    color: var(--color-accent-brown-light);
    border: 1px solid var(--color-accent-brown-light);
    padding: 4px 12px;
    margin-bottom: 20px;
    border-radius: 4px;
}

.charter-banner h3 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.charter-banner p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 30px;
    line-height: 1.8;
}

/* 9. ギャラリーセクション */
.gallery-section {
    background-color: var(--color-bg-cream);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr); /* 5つ並びに対応 */
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    aspect-ratio: 1 / 1;
    box-shadow: var(--shadow-soft);
    cursor: pointer;
    background-color: var(--color-bg-cream-dark); /* 画像周囲の隙間の背景色 */
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.inline-placeholder {
    width: 100%;
    height: 100%;
    border-radius: 0;
    border: none;
    background: linear-gradient(135deg, var(--color-gray-placeholder-bg) 0%, #DFD9D1 100%);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(54, 37, 28, 0.85) 0%, rgba(54, 37, 28, 0.3) 60%, transparent 100%);
    display: flex;
    align-items: flex-end;
    padding: 24px;
    opacity: 0;
    transition: var(--transition-smooth);
    z-index: 10;
}

.gallery-overlay span {
    color: var(--color-white);
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.08);
}

.gallery-item:hover .styled-placeholder .placeholder-icon {
    transform: scale(1.1) rotate(5deg);
}

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

.gallery-item:hover .gallery-overlay span {
    transform: translateY(0);
}

/* 10. 店舗情報・アクセス */
.info-section {
    background-color: var(--color-bg-cream-dark);
}

.info-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: stretch;
}

.info-details {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.info-table {
    margin-top: 30px;
}

.info-row {
    display: flex;
    border-bottom: 1px solid rgba(140, 109, 88, 0.15);
    padding: 20px 0;
}

.info-row:last-child {
    border-bottom: none;
}

.info-label {
    width: 140px;
    font-weight: 600;
    color: var(--color-text-dark);
    font-size: 0.95rem;
    flex-shrink: 0;
}

.info-value {
    flex-grow: 1;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.map-link {
    display: inline-block;
    margin-left: 12px;
    font-size: 0.85rem;
    color: var(--color-accent-brown);
    font-weight: 500;
}

.map-link:hover {
    color: var(--color-text-dark);
    text-decoration: underline;
}

.info-insta-link {
    text-decoration: underline;
    color: var(--color-accent-brown);
    font-weight: 500;
    transition: var(--transition-fast);
}

.info-insta-link:hover {
    color: var(--color-text-dark);
}

.tel-link {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-text-dark);
    font-family: var(--font-serif);
}

.tel-link:hover {
    color: var(--color-accent-brown);
}

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

.time-table th {
    text-align: left;
    font-weight: 500;
    width: 110px;
    vertical-align: top;
    padding-bottom: 8px;
    color: var(--color-text-dark);
}

.time-table td {
    vertical-align: top;
    padding-bottom: 8px;
}

.text-muted {
    font-size: 0.8rem;
    color: #9C8E84;
}

/* マップ */
.info-map-area {
    min-height: 450px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.map-container {
    width: 100%;
    height: 100%;
    min-height: 450px;
}

/* 11. ご予約セクション */
.reserve-section {
    background-color: var(--color-bg-cream);
    position: relative;
}

.reserve-card {
    background-color: var(--color-text-dark);
    color: var(--color-white);
    border-radius: 12px;
    padding: 80px 40px;
    text-align: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-medium);
}

.reserve-card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 20px 20px;
    opacity: 0.7;
}

.reserve-card-content {
    position: relative;
    z-index: 10;
    max-width: 900px;
    margin: 0 auto;
}

.reserve-card h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
    letter-spacing: 0.05em;
}

.reserve-lead {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 50px;
    line-height: 1.8;
}

.reserve-channels {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
}

.reserve-channel {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    padding: 40px 30px;
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.reserve-channel:hover {
    background-color: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.channel-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-accent-brown);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px auto;
    color: var(--color-white);
}

.reserve-channel h3 {
    font-size: 1.25rem;
    margin-bottom: 16px;
    letter-spacing: 0.05em;
}

.tel-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-white);
    display: block;
    margin-bottom: 12px;
    font-family: var(--font-serif);
}

.tel-number:hover {
    color: var(--color-accent-brown-light);
}

.insta-link {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.4);
    padding-bottom: 2px;
}

.insta-link:hover {
    color: var(--color-accent-brown-light);
    border-bottom-color: var(--color-accent-brown-light);
}

.channel-note {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
}

/* 12. フッター */
.main-footer {
    background-color: #2A1B14;
    color: rgba(255, 255, 255, 0.5);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-logo {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.15em;
}

.copyright {
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}

/* 13. アニメーションユーティリティ */
.fade-in-up {
    opacity: 0;
    transform: translateY(25px);
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.fade-in-up.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-35px);
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.reveal-left.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(35px);
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.reveal-right.active {
    opacity: 1;
    transform: translateX(0);
}

.reveal-up {
    opacity: 0;
    transform: translateY(35px);
    transition: opacity 1s cubic-bezier(0.215, 0.61, 0.355, 1), transform 1s cubic-bezier(0.215, 0.61, 0.355, 1);
}

.reveal-up.active {
    opacity: 1;
    transform: translateY(0);
}

/* 14. レスポンシブ (メディアクエリ) */

/* タブレット (1024px以下) */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-title .font-small {
        font-size: 2.2rem;
    }
    
    .menu-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .info-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .info-map-area {
        min-height: 350px;
    }
    
    .map-container {
        min-height: 350px;
    }
}

/* スマートフォン (768px以下) */
@media (max-width: 768px) {
    section {
        padding: 80px 0;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    /* モバイルヘッダー & ナビゲーション */
    .main-header {
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1), opacity 0.4s ease, visibility 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
    }
    
    .main-header.scrolled,
    .main-header.menu-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 1100;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-bg-cream);
        box-shadow: -10px 0 30px rgba(54, 37, 28, 0.05);
        z-index: 1050;
        transition: var(--transition-smooth);
        padding: 100px 40px;
    }
    
    .nav-menu.active {
        right: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 24px;
    }
    
    .nav-menu a {
        font-size: 1.1rem;
    }
    
    /* ハンバーガーのアニメーション */
    .mobile-menu-btn.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-menu-btn.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-btn.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* ヒーローセクション */
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-title .font-small {
        font-size: 1.6rem;
    }
    
    .hero-brand h2 {
        font-size: 1.8rem;
    }
    
    .hero-actions {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
        max-width: 300px;
        margin: 0 auto;
    }
    
    /* コンセプトセクション */
    .concept-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .concept-image-area {
        padding-left: 0;
        order: 2;
    }
    
    .vertical-banner {
        display: none; /* スマホでは複雑になるため非表示に */
    }
    
    .hero-placeholder {
        height: 300px;
    }
    
    .concept-text-area {
        padding-left: 0;
        order: 1;
    }
    
    .concept-text-area .section-title {
        font-size: 1.45rem;
        line-height: 1.5;
    }
    
    /* メニューセクション */
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    /* モバイルにおいてメニュー画像の枠を写真の縦サイズに合わせて広げる */
    .menu-image-wrapper {
        height: auto;
    }
    .menu-img {
        width: 100%;
        height: auto;
        object-fit: cover;
    }
    
    /* 夜の部スライドショーのレスポンシブ縦サイズ追従化 */
    .menu-slideshow .menu-slide-img:first-child {
        position: relative;
        width: 100%;
        height: auto;
        display: block;
    }
    .menu-slideshow .menu-slide-img:nth-child(2) {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
    }
    
    .charter-banner {
        padding: 40px 24px;
    }
    
    .charter-banner h3 {
        font-size: 1.4rem;
    }
    
    /* ご予約セクション */
    .reserve-card {
        padding: 60px 20px;
    }
    
    .reserve-card h2 {
        font-size: 1.8rem;
    }
    
    .reserve-channels {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .reserve-channel {
        padding: 30px 20px;
    }
    
    .tel-number {
        font-size: 1.6rem;
    }
    
    .insta-link {
        font-size: 1.2rem;
    }
    
    /* フッター */
    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    /* ギャラリーの横スクロール対応 */
    .gallery-grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        gap: 16px;
        padding-bottom: 12px;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none; /* Firefox用 */
    }
    
    .gallery-grid::-webkit-scrollbar {
        display: none; /* Chrome, Safari, Opera用 */
    }

    .gallery-item {
        flex: 0 0 280px;
        scroll-snap-align: start;
        aspect-ratio: 1 / 1;
    }
}

/* スマホ小画面 (480px以下) */
@media (max-width: 480px) {
    .info-row {
        flex-direction: column;
        gap: 8px;
    }
    
    .info-label {
        width: 100%;
    }
    
    .time-table th {
        width: 90px;
    }
}

/* ==========================================
   15. メニューポップアップモーダル & スライダー
   ========================================== */
.menu-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.4s ease, visibility 0.4s ease;
}

.menu-modal.active {
    opacity: 1;
    visibility: visible;
}

.menu-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(54, 37, 28, 0.75);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.menu-modal-content {
    position: relative;
    z-index: 10;
    width: 95%;
    max-width: 750px; /* 横幅を大きく */
    height: 90vh; /* 高さも画面全体に近づける */
    max-height: 900px;
    background-color: var(--color-bg-cream);
    border-radius: 12px;
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    display: flex;
    flex-direction: column;
    padding: 40px 20px 20px 20px; /* 余白を調整して画像を大きく */
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.menu-modal.active .menu-modal-content {
    transform: translateY(0);
}

.menu-modal-close {
    position: absolute;
    top: 15px;
    right: 20px;
    background: none;
    border: none;
    font-size: 2.2rem;
    color: var(--color-text-dark);
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
    z-index: 20;
    opacity: 0.7;
}

.menu-modal-close:hover {
    opacity: 1;
    color: var(--color-accent-brown);
    transform: rotate(90deg);
}

.menu-slider-container {
    position: relative;
    width: 100%;
    flex-grow: 1;
    overflow: hidden;
    border-radius: 8px;
    background-color: var(--color-bg-cream-dark);
    border: 1px solid rgba(140, 109, 88, 0.15);
}

.menu-slider-wrapper {
    display: flex;
    width: 100%;
    height: 100%;
    transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.menu-slide-item {
    flex-shrink: 0;
    width: 100%;
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.menu-slide-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    color: var(--color-gray-placeholder-text);
    padding: 30px;
    border-radius: 8px;
}

.menu-slide-placeholder svg {
    color: var(--color-accent-brown-light);
    margin-bottom: 20px;
}

.menu-slide-placeholder h3 {
    font-size: 1.3rem;
    color: var(--color-text-dark);
    margin-bottom: 12px;
    font-family: var(--font-serif);
}

.menu-slide-placeholder p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.5;
}

.modal-menu-img {
    width: 100%;
    height: 100%;
    object-fit: contain; /* メニュー文字が切れないようにcontain */
    display: block;
    background-color: var(--color-bg-cream-dark);
}

/* スライダーコントロール（下部） */
.slider-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 30px;
    margin-top: 15px;
    flex-shrink: 0;
}

.slider-control-btn {
    background-color: var(--color-white);
    border: 1px solid rgba(140, 109, 88, 0.25);
    color: var(--color-text-dark);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
    box-shadow: var(--shadow-soft);
    padding: 0;
}

.slider-control-btn svg {
    display: block;
    width: 24px;
    height: 24px;
}

.slider-control-btn:hover {
    background-color: var(--color-accent-brown);
    color: var(--color-white);
    border-color: var(--color-accent-brown);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(140, 109, 88, 0.2);
}

/* ページインジケーター */
.slider-indicator {
    text-align: center;
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
    user-select: none;
}

#currentSlideNum {
    font-weight: 700;
    color: var(--color-text-dark);
    font-size: 1.15rem;
}

/* スマホ表示時の調整 */
@media (max-width: 768px) {
    .menu-modal-content {
        width: 96%;
        height: 85vh; /* スマホでもなるべく大きく表示 */
        padding: 40px 10px 10px 10px;
    }
    
    .slider-controls {
        gap: 20px;
        margin-top: 10px;
    }
    
    .slider-control-btn {
        width: 38px;
        height: 38px;
    }
    
    .slider-control-btn svg {
        width: 20px;
        height: 20px;
    }
}