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

/* 基本設定 */
:root {
    --primary-black: #000000;
    --primary-white: #ffffff;
    --gray-light: #f5f5f5;
    --gray-medium: #999999;
    --gray-dark: #333333;
    --font-primary: 'Playfair Display', serif;
    --font-secondary: 'Noto Sans JP', sans-serif;
    --max-width: 1200px;
    --spacing-xs: 8px;
    --spacing-sm: 16px;
    --spacing-md: 32px;
    --spacing-lg: 64px;
    --spacing-xl: 96px;
}

body {
    font-family: var(--font-secondary);
    font-weight: 300;
    line-height: 1.8;
    color: var(--primary-black);
    background-color: var(--primary-white);
    overflow-x: hidden;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* タイポグラフィ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 400;
    letter-spacing: 0.05em;
}

a {
    text-decoration: none;
    color: inherit;
    transition: opacity 0.3s ease;
}

a:hover {
    opacity: 0.7;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    background-color: var(--gray-light);
    transition: opacity 0.3s ease;
}

img:not([src]) {
    opacity: 0;
}

/* 画像読み込み時のプレースホルダー */
.feature-image,
.gallery-item,
.staff-image {
    position: relative;
    background-color: var(--gray-light);
}

.feature-image::before,
.gallery-item::before,
.staff-image::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    border: 3px solid var(--gray-medium);
    border-top: 3px solid var(--primary-black);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    z-index: 1;
    opacity: calc(1 - var(--image-loaded, 0));
    transition: opacity 0.3s ease;
}

.feature-image img:not([src=""]),
.gallery-item img:not([src=""]),
.staff-image img:not([src=""]) {
    position: relative;
    z-index: 2;
}

@keyframes spin {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

/* ヘッダー */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--primary-white);
    border-bottom: 1px solid var(--gray-light);
    z-index: 1000;
    transition: all 0.3s ease;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    max-width: var(--max-width);
    margin: 0 auto;
}

.logo h1 {
    font-size: 28px;
    letter-spacing: 0.2em;
    margin-bottom: 4px;
}

.logo .tagline {
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--gray-medium);
}

.nav-list {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-list a {
    font-size: 14px;
    letter-spacing: 0.1em;
    font-weight: 400;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.tel-link {
    font-size: 14px;
    color: var(--gray-dark);
}

.reserve-btn,
.footer-reserve-btn {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 12px 32px;
    font-size: 14px;
    letter-spacing: 0.1em;
    border: 1px solid var(--primary-black);
    transition: all 0.3s ease;
}

.reserve-btn:hover,
.footer-reserve-btn:hover {
    background-color: var(--primary-white);
    color: var(--primary-black);
}

/* メインコンテンツ */
main {
    margin-top: 100px;
}

/* ヒーローセクション */
.hero {
    position: relative;
    height: 80vh;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

.hero-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.3);
    z-index: 1;
}

.hero-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: var(--primary-white);
    z-index: 2;
}

.hero-title {
    font-size: 64px;
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.05em;
}

.hero-subtitle {
    font-size: 18px;
    font-weight: 300;
    letter-spacing: 0.2em;
}

/* セクション共通 */
.section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    font-size: 48px;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    letter-spacing: 0.1em;
}

/* コンセプトセクション */
.concept-text {
    text-align: center;
    font-size: 16px;
    line-height: 2;
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
}

.feature {
    text-align: center;
}

.feature-image {
    width: 100%;
    height: 300px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: transform 0.5s ease;
}

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

.feature-title {
    font-size: 24px;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 0.15em;
}

.feature-text {
    font-size: 14px;
    line-height: 1.8;
    color: var(--gray-dark);
}

/* 店舗情報セクション */
.information {
    background-color: var(--gray-light);
}

.info-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.info-list {
    display: grid;
    grid-template-columns: 120px 1fr;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.info-list dt {
    font-weight: 400;
    color: var(--gray-dark);
}

.info-list dd {
    color: var(--primary-black);
}

.map-container {
    margin-top: var(--spacing-md);
    filter: grayscale(100%);
}

.gallery {
    width: 100%;
}

.gallery-slider {
    display: flex;
    gap: var(--spacing-sm);
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    -webkit-overflow-scrolling: touch;
}

.gallery-item {
    flex: 0 0 100%;
    scroll-snap-align: start;
}

.gallery-item img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    filter: grayscale(100%);
}

/* フッター */
.footer {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.footer-logo {
    margin-bottom: var(--spacing-sm);
}

.footer-logo h3 {
    font-size: 24px;
    letter-spacing: 0.2em;
}

.footer-logo span {
    font-size: 10px;
    letter-spacing: 0.3em;
    color: var(--gray-medium);
}

.footer-address {
    font-style: normal;
    font-size: 14px;
    line-height: 1.8;
}

.footer-nav ul {
    list-style: none;
}

.footer-nav li {
    margin-bottom: var(--spacing-xs);
}

.footer-nav a {
    font-size: 14px;
    letter-spacing: 0.1em;
}

.footer-actions {
    text-align: right;
}

.footer-reserve-btn {
    display: inline-block;
    background-color: var(--primary-white);
    color: var(--primary-black);
    margin-bottom: var(--spacing-md);
}

.sns-links {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: flex-end;
}

.sns-links a {
    font-size: 14px;
}

.copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 12px;
    color: var(--gray-medium);
}

/* モバイルメニュー */
.menu-toggle {
    display: none;
    position: relative;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--primary-black);
    transition: all 0.3s ease;
}

.menu-toggle span:nth-child(1) {
    top: 0;
}

.menu-toggle span:nth-child(2) {
    top: 50%;
    transform: translateY(-50%);
}

.menu-toggle span:nth-child(3) {
    bottom: 0;
}

.menu-toggle.active span:nth-child(1) {
    top: 50%;
    transform: translateY(-50%) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    bottom: 50%;
    transform: translateY(50%) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--primary-white);
    transition: right 0.3s ease;
    z-index: 999;
    overflow-y: auto;
}

.mobile-menu.active {
    right: 0;
}

.mobile-menu-content {
    padding: 100px var(--spacing-md) var(--spacing-md);
    min-height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.mobile-nav ul {
    list-style: none;
}

.mobile-nav li {
    margin-bottom: var(--spacing-md);
}

.mobile-nav a {
    font-size: 24px;
    font-family: var(--font-primary);
    letter-spacing: 0.1em;
}

.mobile-menu-footer {
    text-align: center;
    padding-top: var(--spacing-lg);
}

.mobile-tel {
    display: block;
    font-size: 18px;
    margin-bottom: var(--spacing-md);
}

.mobile-reserve-btn {
    display: inline-block;
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 16px 48px;
    font-size: 16px;
    letter-spacing: 0.1em;
    margin-bottom: var(--spacing-md);
}

.mobile-sns {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

/* タブレット用レスポンシブ */
@media (max-width: 1024px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .hero-title {
        font-size: 48px;
    }
    
    .features {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-image {
        height: 400px;
    }
    
    .info-content {
        grid-template-columns: 1fr;
    }
}

/* スマホ用レスポンシブ */
@media (max-width: 768px) {
    /* ヘッダー */
    .header {
        padding: var(--spacing-sm) 0;
    }
    
    .header-container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .logo h1 {
        font-size: 24px;
    }
    
    .nav,
    .header-actions {
        display: none;
    }
    
    .menu-toggle {
        display: block;
    }
    
    /* メインコンテンツ */
    main {
        margin-top: 70px;
    }
    
    /* ヒーロー */
    .hero {
        height: 60vh;
    }
    
    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 14px;
    }
    
    /* セクション */
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-title {
        font-size: 32px;
        margin-bottom: var(--spacing-md);
    }
    
    .concept-text {
        font-size: 14px;
        margin-bottom: var(--spacing-lg);
    }
    
    .feature {
        margin-bottom: var(--spacing-md);
    }
    
    .feature-image {
        height: 250px;
    }
    
    .feature-title {
        font-size: 20px;
    }
    
    .feature-text {
        font-size: 13px;
    }
    
    /* 店舗情報 */
    .info-list {
        font-size: 14px;
        grid-template-columns: 100px 1fr;
    }
    
    .gallery-item img {
        height: 300px;
    }
    
    /* フッター */
    .footer {
        padding: var(--spacing-md) 0;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-md);
    }
    
    .footer-nav {
        order: 2;
    }
    
    .footer-actions {
        text-align: center;
        order: 1;
    }
    
    .footer-info {
        order: 3;
    }
    
    .sns-links {
        justify-content: center;
    }
}

/* 小型スマホ用 */
@media (max-width: 375px) {
    .hero-title {
        font-size: 28px;
    }
    
    .section-title {
        font-size: 28px;
    }
    
    .feature-image {
        height: 200px;
    }
}

/* タッチデバイス対応 */
@media (hover: none) {
    .feature-image img:hover {
        transform: none;
    }
    
    a:hover {
        opacity: 1;
    }
    
    .reserve-btn:active,
    .footer-reserve-btn:active {
        transform: scale(0.95);
    }
}

/* スクロールアニメーション */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.8s ease;
}

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

/* メニューセクション */
.menu {
    background-color: var(--gray-light);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.menu-category h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.1em;
}

.menu-list {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: var(--spacing-sm);
}

.menu-list dt {
    font-weight: 300;
}

.menu-list dd {
    font-weight: 400;
    text-align: right;
}

/* スタッフセクション */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

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

.staff-image {
    width: 100%;
    height: 400px;
    overflow: hidden;
    margin-bottom: var(--spacing-md);
}

.staff-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.3s ease;
}

.staff-member:hover .staff-image img {
    filter: grayscale(0%);
}

.staff-name {
    font-size: 20px;
    margin-bottom: var(--spacing-xs);
    letter-spacing: 0.1em;
}

.staff-role {
    font-size: 14px;
    color: var(--gray-medium);
    margin-bottom: var(--spacing-sm);
}

.staff-bio {
    font-size: 14px;
    line-height: 1.6;
}

/* ニュースセクション */
.news {
    background-color: var(--gray-light);
}

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

.news-item {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.news-item:last-child {
    border-bottom: none;
}

.news-date {
    font-size: 14px;
    color: var(--gray-medium);
    display: block;
    margin-bottom: var(--spacing-xs);
}

.news-title {
    font-size: 18px;
    margin-bottom: var(--spacing-xs);
    font-weight: 400;
}

.news-excerpt {
    font-size: 14px;
    color: var(--gray-dark);
}

/* 採用セクション */
.recruit-content {
    text-align: center;
}

.recruit-intro {
    font-size: 16px;
    line-height: 2;
    margin-bottom: var(--spacing-lg);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.recruit-positions {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.position h3 {
    font-size: 20px;
    margin-bottom: var(--spacing-sm);
}

.position p {
    font-size: 14px;
    color: var(--gray-dark);
}

.recruit-btn {
    display: inline-block;
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 16px 48px;
    font-size: 16px;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.recruit-btn:hover {
    background-color: var(--primary-white);
    color: var(--primary-black);
    border: 1px solid var(--primary-black);
}

/* 予約セクション */
.reserve {
    background-color: var(--gray-light);
}

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

.reserve-intro {
    font-size: 16px;
    line-height: 2;
    margin-bottom: var(--spacing-lg);
}

.reserve-methods {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.reserve-method h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
}

.reserve-tel {
    display: inline-block;
    font-size: 28px;
    font-family: var(--font-primary);
    margin-bottom: var(--spacing-sm);
}

.reserve-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    text-align: left;
}

.reserve-form input,
.reserve-form select,
.reserve-form textarea {
    padding: 12px 16px;
    border: 1px solid var(--gray-medium);
    background-color: var(--primary-white);
    font-family: var(--font-secondary);
    font-size: 14px;
}

.reserve-form input:focus,
.reserve-form select:focus,
.reserve-form textarea:focus {
    outline: none;
    border-color: var(--primary-black);
}

.form-submit-btn {
    background-color: var(--primary-black);
    color: var(--primary-white);
    padding: 16px 32px;
    border: none;
    font-size: 16px;
    letter-spacing: 0.1em;
    cursor: pointer;
    transition: all 0.3s ease;
}

.form-submit-btn:hover {
    opacity: 0.8;
}

/* 採用情報詳細セクション */
.recruit-detail {
    background-color: var(--primary-white);
}

.recruit-detail-content {
    max-width: 800px;
    margin: 0 auto;
}

.recruit-detail-content h3 {
    font-size: 24px;
    margin-bottom: var(--spacing-md);
    text-align: center;
}

.recruit-detail-list {
    display: grid;
    grid-template-columns: 150px 1fr;
    gap: var(--spacing-md);
}

.recruit-detail-list dt {
    font-weight: 400;
    color: var(--gray-dark);
}

.recruit-detail-list dd {
    color: var(--primary-black);
    line-height: 1.8;
}

/* レスポンシブ追加 */
@media (max-width: 768px) {
    .menu-grid {
        grid-template-columns: 1fr;
    }
    
    .staff-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .staff-image {
        height: 300px;
    }
    
    .recruit-positions {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .reserve-methods {
        grid-template-columns: 1fr;
    }
    
    .reserve-tel {
        font-size: 24px;
    }
    
    .recruit-detail-list {
        grid-template-columns: 1fr;
        gap: var(--spacing-xs);
    }
    
    .recruit-detail-list dt {
        font-weight: 700;
        margin-top: var(--spacing-sm);
    }
}