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

:root {
    --primary: #2C3E50;
    --secondary: #E8E6E1;
    --accent: #C9A96B;
    --text: #2C3E50;
    --text-light: #7F8C8D;
    --bg: #FAF9F6;
    --white: #FFFFFF;
    --border: #E5E5E5;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans JP', sans-serif;
    color: var(--text);
    line-height: 1.7;
    background: var(--bg);
    overflow-x: hidden;
    position: relative;
}

/* スクロールプログレスバー */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    z-index: 9999;
    transition: width 0.1s ease;
    box-shadow: 0 2px 5px rgba(201, 169, 107, 0.5);
}

/* トップに戻るボタン */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(44, 62, 80, 0.3);
    will-change: transform, opacity;
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background: var(--accent);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 6px 20px rgba(201, 169, 107, 0.4);
}

.scroll-to-top:active {
    transform: translateY(-3px) scale(1.05);
}

/* ローディングアニメーション */
.loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.loader-logo {
    font-size: 36px;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 3px;
    margin-bottom: 20px;
    animation: fadeIn 0.5s ease;
}

.loader-spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border);
    border-top-color: var(--accent);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

/* トップナビゲーション */
.top-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
    z-index: 1000;
    transition: all 0.3s ease;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    will-change: box-shadow;
}

.top-header.scrolled {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    background: rgba(255, 255, 255, 0.99);
}

.top-nav {
    width: 100%;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav-logo {
    display: flex;
    flex-direction: column;
    margin-right: 60px;
}

.nav-logo h1 {
    font-size: 28px;
    font-weight: 500;
    color: var(--primary);
    letter-spacing: 2px;
    margin-bottom: 2px;
    line-height: 1;
}

.nav-logo span {
    font-size: 12px;
    color: var(--text-light);
    letter-spacing: 1px;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
    flex: 1;
}

.nav-menu li {
    margin: 0;
}

.nav-menu a {
    color: var(--text);
    text-decoration: none;
    font-size: 15px;
    font-weight: 400;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    transition: width 0.3s ease;
}

.nav-menu a:hover,
.nav-menu a.active {
    color: var(--accent);
}

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

.nav-contact {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    margin-left: 40px;
}

.nav-phone {
    font-size: 18px;
    font-weight: 600;
    color: var(--primary);
    text-decoration: none;
    margin-bottom: 4px;
    transition: color 0.3s ease;
}

.nav-phone:hover {
    color: var(--accent);
}

.nav-hours {
    font-size: 12px;
    color: var(--text-light);
}

/* 语言切换器 */
.language-switcher {
    position: relative;
    margin-left: 30px;
}

.language-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 15px;
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.language-btn:hover {
    background: var(--bg);
    border-color: var(--accent);
    color: var(--accent);
}

.language-btn svg {
    transition: transform 0.3s ease;
}

.language-switcher.active .language-btn svg {
    transform: rotate(180deg);
}

.language-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 8px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
    min-width: 140px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 1000;
    overflow: hidden;
}

.language-switcher.active .language-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.language-option {
    display: block;
    padding: 12px 20px;
    color: var(--text);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.2s ease;
    border-bottom: 1px solid var(--border);
}

.language-option:last-child {
    border-bottom: none;
}

.language-option:hover {
    background: var(--bg);
    color: var(--accent);
    padding-left: 25px;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text);
    transition: all 0.3s ease;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* メインコンテンツ */
.main-content {
    margin-left: 0;
    min-height: 100vh;
    padding-top: 80px;
}

/* ヒーローセクション */
.hero-section {
    position: relative;
    min-height: calc(100vh - 80px);
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #F5F3EF 0%, #E8E6E1 100%);
    padding: 0;
    overflow: hidden;
}

.hero-section::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 50%, rgba(201, 169, 107, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(44, 62, 80, 0.05) 0%, transparent 50%);
    pointer-events: none;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: linear-gradient(135deg, rgba(201, 169, 107, 0.1) 0%, rgba(201, 169, 107, 0.05) 100%);
    opacity: 0.5;
}

.hero-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-text {
    max-width: 800px;
    width: 100%;
    text-align: center;
}

.hero-label {
    font-size: 14px;
    color: var(--text-light);
    letter-spacing: 2px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.hero-title {
    font-size: 72px;
    font-weight: 300;
    color: var(--primary);
    margin-bottom: 10px;
    letter-spacing: 3px;
    line-height: 1.1;
    background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: fadeInUp 1s ease 0.2s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 28px;
    font-weight: 400;
    color: var(--accent);
    margin-bottom: 30px;
    letter-spacing: 2px;
}

.hero-description {
    font-size: 18px;
    color: var(--text-light);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 50px;
}

.btn-primary,
.btn-secondary {
    padding: 15px 35px;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-block;
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.btn-primary::before,
.btn-secondary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.btn-primary:hover::before,
.btn-secondary:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--primary);
    color: var(--white);
}

.btn-primary:hover {
    background: #1a252f;
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(44, 62, 80, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-secondary:hover {
    background: var(--primary);
    color: var(--white);
}

.hero-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 0;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.feature-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    will-change: transform;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.feature-number {
    font-size: 36px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 8px;
}

.feature-text {
    font-size: 14px;
    color: var(--text-light);
}

/* キャンペーンバナー */
.campaign-banner {
    background: linear-gradient(135deg, var(--primary) 0%, #1a252f 100%);
    color: var(--white);
    padding: 25px 0;
    position: relative;
    overflow: hidden;
}

.campaign-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(201, 169, 107, 0.2) 0%, transparent 70%);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

.campaign-content {
    display: flex;
    align-items: center;
    gap: 20px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 40px;
}

.campaign-icon {
    font-size: 32px;
}

.campaign-text {
    flex: 1;
}

.campaign-text strong {
    display: block;
    font-size: 18px;
    margin-bottom: 5px;
}

.campaign-text small {
    font-size: 13px;
    opacity: 0.8;
}

/* セクション共通 */
section {
    padding: 100px 0;
}

.section-header {
    margin-bottom: 60px;
    display: flex;
    align-items: baseline;
    gap: 20px;
}

.section-number {
    font-size: 14px;
    color: var(--accent);
    font-weight: 600;
    letter-spacing: 1px;
}

.section-title {
    font-size: 42px;
    font-weight: 400;
    color: var(--primary);
    letter-spacing: 1px;
}

.section-note {
    margin-left: auto;
    color: var(--text-light);
    font-size: 14px;
}

/* お店について */
.about-section {
    background: var(--white);
}

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

.about-text-block p {
    margin-bottom: 20px;
    color: var(--text);
    line-height: 2;
}

.lead-text {
    font-size: 22px;
    color: var(--accent);
    font-weight: 500;
    margin-bottom: 30px !important;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.highlight-card {
    padding: 0;
    background: var(--white);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.highlight-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(201, 169, 107, 0.05) 0%, transparent 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.highlight-card:hover::after {
    opacity: 1;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    border-color: var(--accent);
}

.highlight-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, var(--bg) 0%, #f0ede8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.highlight-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    display: block;
}

.highlight-image img[src=""],
.highlight-image img:not([src]) {
    opacity: 0;
}

.highlight-card:hover .highlight-image img {
    transform: scale(1.05);
}

/* 图片加载失败时的占位符 */
.highlight-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    background: var(--accent);
    opacity: 0.1;
    border-radius: 50%;
    z-index: 0;
}

.highlight-card h3 {
    font-size: 18px;
    margin-bottom: 10px;
    color: var(--primary);
    font-weight: 500;
    padding: 20px 30px 10px;
    position: relative;
    z-index: 2;
}

.highlight-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    padding: 0 30px 30px;
    position: relative;
    z-index: 2;
}

/* 料金システム */
.menu-section {
    background: var(--bg);
}

.menu-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
    margin-bottom: 40px;
}

.menu-card {
    background: var(--white);
    padding: 35px;
    border-radius: 12px;
    border: 1px solid var(--border);
    position: relative;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    overflow: hidden;
}

.menu-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 107, 0.1), transparent);
    transition: left 0.5s ease;
}

.menu-card:hover::before {
    left: 100%;
}

.menu-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    border-color: var(--accent);
}

.menu-card.featured {
    border-color: var(--accent);
    border-width: 2px;
}

.menu-card.special {
    border-color: var(--primary);
    border-width: 2px;
}

.menu-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--accent);
    color: var(--white);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.menu-card.special .menu-badge {
    background: var(--primary);
}

.menu-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.menu-card-header h3 {
    font-size: 22px;
    font-weight: 500;
    color: var(--primary);
}

.menu-duration {
    font-size: 13px;
    color: var(--text-light);
    background: var(--bg);
    padding: 5px 12px;
    border-radius: 15px;
}

.menu-price {
    font-size: 32px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 15px;
}

.menu-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
}

.menu-footer {
    text-align: center;
    color: var(--text-light);
    font-size: 14px;
}

/* WhatsApp预约按钮 */
.whatsapp-booking {
    text-align: center;
    margin-top: 50px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 16px 35px;
    background: #25D366;
    color: var(--white);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.3);
    will-change: transform;
}

.whatsapp-btn:hover {
    background: #20BA5A;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

.whatsapp-btn:active {
    transform: translateY(0);
}

.whatsapp-btn svg {
    width: 24px;
    height: 24px;
    flex-shrink: 0;
}

/* スタッフ紹介 */
.staff-section {
    background: var(--white);
}

.staff-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.staff-card {
    text-align: center;
    padding: 40px 30px;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    will-change: transform;
    position: relative;
}

.staff-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.staff-card:hover::before {
    transform: scaleX(1);
}

.staff-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.staff-icon {
    font-size: 56px;
    margin-bottom: 20px;
}

.staff-card h3 {
    font-size: 20px;
    margin-bottom: 15px;
    color: var(--primary);
}

.staff-card p {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.8;
}

/* アクセス */
.access-section {
    background: var(--bg);
}

.access-layout {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
}

.access-info {
    display: flex;
    flex-direction: column;
    gap: 35px;
}

.info-item h3 {
    font-size: 18px;
    color: var(--accent);
    margin-bottom: 10px;
    font-weight: 500;
}

.info-item p {
    color: var(--text);
    line-height: 1.8;
}

.info-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

.info-item a:hover {
    color: var(--accent);
}

.map-link-btn {
    display: inline-block;
    padding: 12px 25px;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    border-radius: 8px;
    font-size: 14px;
    transition: all 0.3s ease;
    text-align: center;
}

.map-link-btn:hover {
    background: #1a252f;
    transform: translateY(-2px);
}

.access-map-wrapper {
    height: 500px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.access-map-wrapper iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* FAQ */
.faq-section {
    background: var(--white);
}

.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border);
    margin-bottom: 0;
    transition: background 0.3s ease;
}

.faq-item:hover {
    background: rgba(201, 169, 107, 0.02);
}

.faq-question {
    width: 100%;
    padding: 25px 0;
    background: none;
    border: none;
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 18px;
    color: var(--text);
    transition: color 0.3s ease;
}

.faq-question:hover {
    color: var(--accent);
}

.faq-icon {
    font-size: 24px;
    color: var(--accent);
    font-weight: 300;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    max-height: 200px;
    padding-bottom: 25px;
}

.faq-answer p {
    color: var(--text-light);
    line-height: 1.8;
}

/* 姉妹店 */
.sister-section {
    background: var(--bg);
}

.sister-card {
    max-width: 700px;
    margin: 0 auto;
    background: var(--white);
    padding: 50px;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.sister-card h3 {
    font-size: 24px;
    margin-bottom: 30px;
    color: var(--primary);
}

.sister-card h4 {
    font-size: 20px;
    margin-bottom: 20px;
    color: var(--accent);
}

.sister-info p {
    margin-bottom: 15px;
    color: var(--text);
    line-height: 1.8;
}

.sister-info a {
    color: var(--primary);
    text-decoration: none;
}

.sister-info a:hover {
    color: var(--accent);
    text-decoration: underline;
}

/* フッター */
.footer {
    background: var(--primary);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-bottom: 40px;
}

.footer-brand h3 {
    font-size: 28px;
    margin-bottom: 10px;
    color: var(--accent);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
}

.footer-info p {
    margin-bottom: 10px;
    color: rgba(255, 255, 255, 0.8);
    font-size: 14px;
}

.footer-info a {
    color: var(--accent);
    text-decoration: none;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
    font-size: 13px;
}

/* レスポンシブ */
@media (max-width: 1024px) {
    .nav-container {
        padding: 0 15px;
        height: 70px;
    }

    .nav-logo {
        margin-right: auto;
    }

    .nav-logo h1 {
        font-size: 22px;
    }

    .nav-logo span {
        font-size: 10px;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--white);
        padding: 0;
        gap: 0;
        box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        border-bottom: 1px solid var(--border);
        max-height: calc(100vh - 70px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        z-index: 999;
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border);
    }

    .nav-menu li:last-child {
        border-bottom: none;
    }

    .nav-menu a {
        display: block;
        padding: 18px 20px;
        width: 100%;
        font-size: 16px;
        font-weight: 500;
    }

    /* 移动端联系信息 */
    .mobile-contact {
        background: var(--bg);
        padding: 20px;
        border-top: 2px solid var(--border);
        margin-top: 10px;
    }

    .mobile-contact .mobile-phone-link {
        display: block;
        font-size: 20px;
        font-weight: 600;
        color: var(--primary);
        text-decoration: none;
        margin-bottom: 8px;
        padding: 0;
    }

    .mobile-contact .mobile-phone-link:hover {
        color: var(--accent);
    }

    .mobile-contact .mobile-hours {
        font-size: 13px;
        color: var(--text-light);
        margin: 0;
        padding: 0;
    }

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

    .nav-menu a.active {
        background: var(--bg);
        color: var(--accent);
        padding-left: 25px;
    }

    .nav-menu a:hover {
        background: var(--bg);
        color: var(--accent);
    }

    .nav-contact {
        display: none;
    }


    .language-switcher {
        margin-left: 10px;
        order: 2;
    }

    .language-btn {
        padding: 6px 10px;
        font-size: 12px;
        min-width: 70px;
    }

    .language-current {
        font-size: 12px;
    }

    .language-dropdown {
        right: 0;
        min-width: 120px;
        top: calc(100% + 5px);
    }

    .menu-toggle {
        display: flex;
        order: 3;
        margin-left: 10px;
        z-index: 1001;
    }


    .main-content {
        padding-top: 70px;
    }

    .main-content {
        padding-top: 80px;
    }

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

    .hero-features {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

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

    .staff-cards {
        grid-template-columns: 1fr;
    }

    .access-layout {
        grid-template-columns: 1fr;
    }

    .access-map-wrapper {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 20px;
    }

    .hero-container {
        padding: 0 20px;
    }

    .hero-section {
        min-height: calc(100vh - 70px);
        padding: 40px 0;
    }

    .hero-title {
        font-size: 42px;
        letter-spacing: 2px;
    }

    .hero-subtitle {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
        margin-bottom: 30px;
    }

    .hero-features {
        grid-template-columns: 1fr;
        gap: 15px;
        max-width: 100%;
        margin-top: 30px;
    }

    .feature-item {
        padding: 25px 15px;
    }

    .feature-number {
        font-size: 32px;
    }

    .feature-text {
        font-size: 13px;
    }
    
    .hero-buttons {
        margin-bottom: 30px;
        gap: 12px;
    }

    .btn-primary,
    .btn-secondary {
        padding: 14px 28px;
        font-size: 15px;
    }

    .campaign-banner {
        padding: 20px 0;
    }

    .campaign-content {
        padding: 0 20px;
        flex-direction: column;
        gap: 15px;
        text-align: center;
    }

    .campaign-icon {
        font-size: 28px;
    }

    .campaign-text strong {
        font-size: 16px;
    }

    .campaign-text small {
        font-size: 12px;
    }

    .section-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 10px;
        margin-bottom: 40px;
    }

    .section-number {
        font-size: 12px;
    }

    .section-title {
        font-size: 28px;
        width: 100%;
    }

    .section-note {
        margin-left: 0;
        font-size: 13px;
    }

    .about-text-block p {
        font-size: 15px;
        line-height: 1.8;
    }

    .lead-text {
        font-size: 20px;
    }

    .about-highlights {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .highlight-card {
        padding: 0;
    }

    .highlight-image {
        height: 180px;
    }

    .highlight-card h3 {
        padding: 18px 20px 8px;
    }

    .highlight-card p {
        padding: 0 20px 25px;
    }

    .menu-cards {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .menu-card {
        padding: 25px 20px;
    }

    .menu-price {
        font-size: 28px;
    }

    .access-layout {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .access-map-wrapper {
        height: 350px;
        order: -1;
    }

    .info-item {
        margin-bottom: 25px;
    }

    .info-item h3 {
        font-size: 16px;
    }

    .info-item p {
        font-size: 14px;
    }

    .map-link-btn {
        width: 100%;
        text-align: center;
    }

    .sister-card {
        padding: 30px 20px;
    }

    .sister-card h3 {
        font-size: 20px;
    }

    .sister-card h4 {
        font-size: 18px;
    }

    .sister-info p {
        font-size: 14px;
    }

    .footer {
        padding: 40px 0 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }

    .footer-brand h3 {
        font-size: 24px;
    }

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

    .footer-info p {
        font-size: 13px;
    }

    section {
        padding: 50px 0;
    }

    .whatsapp-booking {
        margin-top: 40px;
    }

    .menu-footer {
        text-align: left;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0 12px;
        height: 65px;
    }

    .nav-logo h1 {
        font-size: 20px;
    }

    .nav-logo span {
        font-size: 9px;
    }

    .language-btn {
        padding: 5px 8px;
        font-size: 11px;
        min-width: 60px;
    }

    .language-current {
        font-size: 11px;
    }

    .language-dropdown {
        min-width: 110px;
    }

    .menu-toggle span {
        width: 22px;
    }

    .main-content {
        padding-top: 65px;
    }

    .nav-menu {
        top: 65px;
        max-height: calc(100vh - 65px);
    }

    .nav-menu a {
        padding: 16px 15px;
        font-size: 15px;
        min-height: 48px;
        display: flex;
        align-items: center;
    }

    .mobile-contact {
        padding: 18px 15px;
    }

    .mobile-contact .mobile-phone-link {
        min-height: 44px;
        display: flex;
        align-items: center;
    }

    .container {
        padding: 0 15px;
    }

    .hero-container {
        padding: 0 15px;
    }

    .hero-section {
        min-height: calc(100vh - 65px);
        padding: 30px 0 40px;
    }

    .campaign-banner {
        padding: 15px 0;
    }

    .section-header {
        margin-bottom: 30px;
    }

    .hero-title {
        font-size: 36px;
        letter-spacing: 1px;
    }

    .hero-subtitle {
        font-size: 18px;
    }

    .hero-description {
        font-size: 15px;
        margin-bottom: 25px;
    }

    .hero-buttons {
        flex-direction: column;
        width: 100%;
        margin-bottom: 25px;
    }

    .btn-primary,
    .btn-secondary {
        width: 100%;
        text-align: center;
        padding: 14px 20px;
        min-height: 48px;
        display: flex;
        align-items: center;
        justify-content: center;
    }

    .hero-features {
        gap: 12px;
    }

    .feature-item {
        padding: 20px 12px;
    }

    .feature-number {
        font-size: 28px;
    }

    .feature-text {
        font-size: 12px;
    }

    .campaign-content {
        padding: 0 15px;
    }

    .campaign-text strong {
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }

    .section-number {
        font-size: 11px;
    }

    .about-text-block p {
        font-size: 14px;
    }

    .lead-text {
        font-size: 18px;
    }

    .highlight-card {
        padding: 0;
    }

    .highlight-image {
        height: 160px;
    }

    .highlight-card h3 {
        font-size: 16px;
        padding: 15px 15px 8px;
    }

    .highlight-card p {
        font-size: 13px;
        padding: 0 15px 20px;
    }

    .menu-card {
        padding: 20px 15px;
    }

    .menu-card-header h3 {
        font-size: 20px;
    }

    .menu-price {
        font-size: 26px;
    }

    .menu-desc {
        font-size: 13px;
    }

    .access-map-wrapper {
        height: 300px;
    }

    .whatsapp-btn {
        padding: 14px 24px;
        font-size: 14px;
        width: 100%;
        justify-content: center;
        min-height: 48px;
    }

    .whatsapp-btn svg {
        width: 20px;
        height: 20px;
    }

    .sister-card {
        padding: 25px 15px;
    }

    .scroll-to-top {
        width: 45px;
        height: 45px;
        bottom: 15px;
        right: 15px;
    }

    .loader-logo {
        font-size: 28px;
    }

    .loader-spinner {
        width: 40px;
        height: 40px;
    }

    .faq-question {
        padding: 20px 0;
        font-size: 16px;
    }

    .faq-answer p {
        font-size: 14px;
    }

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

    .menu-footer {
        text-align: left;
    }
}

/* パフォーマンス最適化 */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* 選択テキストのスタイル */
::selection {
    background: var(--accent);
    color: var(--white);
}

::-moz-selection {
    background: var(--accent);
    color: var(--white);
}