/* ================================================
   Components - 共通コンポーネント（プレミアムデザイン）
   ================================================ */

/* ================================================
   Side Navigation - 右サイド固定ナビゲーション
   ================================================ */

/* ================================================
   Header Navigation - 上部固定ヘッダー
   ================================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    z-index: var(--z-index-header);
    transition: all var(--transition-base);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 var(--spacing-lg);
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 100%);
}

.header.scrolled {
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    height: 70px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.header-logo {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    color: var(--color-white);
    letter-spacing: 0.2em;
    font-weight: 500;
    text-decoration: none;
    position: relative;
    z-index: var(--z-index-nav);
    display: flex;
    align-items: center;
}

.header-logo-img {
    height: 40px;
    width: auto;
    transition: opacity var(--transition-fast);
}

.header-logo:hover .header-logo-img {
    opacity: 0.8;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    /* 追加: アイテムを垂直中央揃え */
    gap: var(--spacing-lg);
    list-style: none;
}

.nav-link {
    display: inline-block;
    /* 追加: 高さとパディングを正しく効かせる */
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    position: relative;
    padding: 5px 0;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

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

/* Reservation Button Style */
.nav-link.reservation-link {
    border: 1px solid rgba(255, 255, 255, 0.5);
    padding: 4px 16px;
    margin-left: 5px;
    transition: all var(--transition-fast);
}

.nav-link.reservation-link:hover {
    background-color: var(--color-white);
    color: var(--color-secondary);
    /* Dark color for text on white bg */
    border-color: var(--color-white);
}

.nav-link.reservation-link::after {
    display: none;
}

.nav-item {
    position: relative;
    padding: 10px 0;
}

.nav-dropdown {
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(10px);
    min-width: 200px;
    padding: var(--spacing-sm) 0;
    border-radius: 4px;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    display: flex;
    flex-direction: column;
}

.nav-item:hover .nav-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.dropdown-link {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    white-space: nowrap;
    transition: color var(--transition-fast), background-color var(--transition-fast);
    text-align: center;
}

.dropdown-link:hover {
    color: var(--color-white);
    background-color: rgba(255, 255, 255, 0.1);
}

/* モバイル用ハンバーガーメニュー */
.mobile-menu-toggle {
    display: none;
    position: fixed;
    top: 20px;
    right: 20px;
    width: 44px;
    height: 44px;
    background: transparent;
    backdrop-filter: none;
    border-radius: 0;
    z-index: var(--z-index-nav);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.mobile-menu-line {
    width: 24px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-base);
}

.mobile-menu-toggle.active .mobile-menu-line:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

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

.mobile-menu-toggle.active .mobile-menu-line:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* モバイルナビゲーションオーバーレイ */
.mobile-nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 26, 0.98);
    backdrop-filter: blur(20px);
    z-index: var(--z-index-overlay);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-menu {
    text-align: center;
}

.mobile-nav-item {
    margin: var(--spacing-lg) 0;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.mobile-nav-overlay.active .mobile-nav-item {
    opacity: 1;
    transform: translateY(0);
}

.mobile-nav-link {
    font-size: var(--font-size-2xl);
    color: var(--color-white);
    letter-spacing: 0.15em;
    display: inline-block;
    position: relative;
    padding: var(--spacing-sm) 0;
}

.mobile-nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: linear-gradient(to right, transparent, var(--color-accent), transparent);
    transition: width var(--transition-base);
}

.mobile-nav-link:hover::after,
.mobile-nav-link.active::after {
    width: 100%;
}

/* レスポンシブ対応 */
@media (max-width: 1024px) {
    .side-nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }
}

/* ================================================
   Footer
   ================================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    text-align: center;
}

.footer-logo {
    display: inline-block;
    margin-bottom: var(--spacing-md);
    text-decoration: none;
}

.footer-logo-img {
    height: 60px;
    width: auto;
    transition: opacity var(--transition-fast);
}

.footer-logo:hover .footer-logo-img {
    opacity: 0.8;
}

.footer-info {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.footer-link {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer-link:hover {
    color: var(--color-white);
    opacity: 1;
}

.footer-copyright {
    font-size: var(--font-size-xs);
    color: rgba(255, 255, 255, 0.5);
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

@media (min-width: 768px) {
    .footer-info {
        flex-direction: row;
        justify-content: center;
        gap: var(--spacing-lg);
    }
}

/* ================================================
   Loading Animation
   ================================================ */

.loading {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-bg);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity var(--transition-slow);
}

.loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-logo {
    font-size: var(--font-size-3xl);
    letter-spacing: 0.2em;
    opacity: 0;
}

/* ================================================
   Buttons
   ================================================ */

.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-base);
    letter-spacing: 0.1em;
    text-align: center;
    border: 1px solid var(--color-primary);
    background-color: transparent;
    color: var(--color-primary);
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background-color: var(--color-primary);
    transition: left var(--transition-base);
    z-index: -1;
}

.btn:hover {
    color: var(--color-white);
    opacity: 1;
}

.btn:hover::before {
    left: 0;
}

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-lg);
}

/* ================================================
   Cards
   ================================================ */

.card {
    background-color: var(--color-white);
    overflow: hidden;
    transition: transform var(--transition-base);
}

.card:hover {
    transform: translateY(-10px);
}

.card-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
}

.card-content {
    padding: var(--spacing-md);
}

.card-title {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ================================================
   Hero Section
   ================================================ */

.hero {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.5));
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--color-white);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    margin-bottom: var(--spacing-md);
    opacity: 0;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    letter-spacing: 0.2em;
    opacity: 0;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--spacing-lg);
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    writing-mode: vertical-rl;
    font-size: var(--font-size-sm);
    color: var(--color-white);
    letter-spacing: 0.2em;
    opacity: 0;
}

.scroll-indicator::after {
    content: '';
    display: block;
    width: 1px;
    height: 40px;
    background-color: var(--color-white);
    margin: var(--spacing-sm) auto 0;
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {

    0%,
    100% {
        transform: translateY(0);
        opacity: 0;
    }

    50% {
        transform: translateY(20px);
        opacity: 1;
    }
}

/* ================================================
   Form Elements
   ================================================ */

.form-group {
    margin-bottom: var(--spacing-md);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-text);
}

.form-input,
.form-textarea,
.form-select {
    width: 100%;
    padding: var(--spacing-sm);
    font-size: var(--font-size-base);
    border: 1px solid #ddd;
    background-color: var(--color-white);
    transition: border-color var(--transition-fast);
}

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

.form-textarea {
    min-height: 150px;
    resize: vertical;
}

.form-error {
    color: #d32f2f;
    font-size: var(--font-size-sm);
    margin-top: var(--spacing-xs);
}

/* ================================================
   Menu List Styles
   ================================================ */

.menu-section {
    margin-bottom: var(--spacing-xl);
}

.menu-category-title {
    text-align: center;
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-lg);
    font-family: var(--font-primary);
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
    border-bottom: 1px solid var(--color-primary);
    padding-bottom: var(--spacing-xs);
}

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

.menu-item {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--spacing-md);
    border-bottom: 1px dotted rgba(0, 0, 0, 0.2);
    padding-bottom: 4px;
}

.menu-item-name {
    font-size: var(--font-size-lg);
    font-family: var(--font-primary);
    font-weight: 500;
}

.menu-item-price {
    font-size: var(--font-size-base);
    font-family: var(--font-secondary);
}