/* ========================================
   SUPURA Wash - SENSE-R Style CSS
   ======================================== */

/* カスタムプロパティ（CSS変数） */
:root {
    /* SUPURAブランドカラー */
    --color-primary: #000000;        /* 黒 */
    --color-accent: #FF0000;         /* 赤 */
    --color-splash: #00D4FF;         /* シアン（水しぶき） */
    --color-bg-light: #F5F5F0;       /* ベージュ/クリーム */
    --color-bg-gray: #F2F2F2;        /* グレーセクション */
    --color-text: #333333;           /* テキスト */
    --color-text-light: #7A7A7A;     /* ライトテキスト */
    --color-white: #FFFFFF;

    /* スペーシング */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;

    /* トランジション */
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --transition-slow: 1s ease;

    /* フォント設定（SENSE-Rと同じシステムフォントスタック） */
    --font-family-base: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", "Liberation Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
    --font-family-serif: "Playfair Display", Georgia, "Times New Roman", serif;
    --font-family-script: "Satisfy", cursive;
    --font-size-base: 16px;
    --font-weight-regular: 400;
    --font-weight-medium: 500;
    --font-weight-bold: 700;
    --font-weight-black: 900;
    --line-height-base: 1.5;

    /* Material Design 3 Color Tokens */
    --md-sys-color-primary: #FF0000;              /* SUPURA赤 */
    --md-sys-color-on-primary: #FFFFFF;           /* プライマリ上のテキスト */
    --md-sys-color-primary-container: #FFBDBD;    /* プライマリコンテナ */
    --md-sys-color-on-primary-container: #370000; /* プライマリコンテナ上のテキスト */

    --md-sys-color-secondary: #00D4FF;            /* SUPURAシアン */
    --md-sys-color-on-secondary: #000000;         /* セカンダリ上のテキスト */
    --md-sys-color-secondary-container: #B3F0FF;  /* セカンダリコンテナ */
    --md-sys-color-on-secondary-container: #003844; /* セカンダリコンテナ上のテキスト */

    --md-sys-color-surface: #FFFFFF;              /* サーフェス */
    --md-sys-color-on-surface: #1C1C1C;           /* サーフェス上のテキスト */
    --md-sys-color-surface-variant: #F2F2F2;      /* サーフェスバリアント */
    --md-sys-color-on-surface-variant: #48464C;   /* サーフェスバリアント上のテキスト */

    --md-sys-color-outline: #7A7A7A;              /* アウトライン */
    --md-sys-color-outline-variant: #C7C5CA;      /* アウトラインバリアント */

    --md-sys-color-background: #FEFBFF;           /* 背景 */
    --md-sys-color-on-background: #1C1C1C;        /* 背景上のテキスト */

    /* MD3 Elevation & State */
    --md-sys-elevation-level0: 0px 0px 0px 0px rgba(0, 0, 0, 0);
    --md-sys-elevation-level1: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 1px 3px 1px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level2: 0px 1px 2px 0px rgba(0, 0, 0, 0.3), 0px 2px 6px 2px rgba(0, 0, 0, 0.15);
    --md-sys-elevation-level3: 0px 1px 3px rgba(0, 0, 0, 0.3), 0px 4px 8px 3px rgba(0, 0, 0, 0.15);
    --md-sys-state-layer-opacity-hover: 0.08;
    --md-sys-state-layer-opacity-focus: 0.12;
    --md-sys-state-layer-opacity-pressed: 0.12;

    /* MD3 Motion Tokens */
    --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);
    --md-sys-motion-easing-decelerate: cubic-bezier(0.05, 0.7, 0.1, 1);
    --md-sys-motion-easing-accelerate: cubic-bezier(0.3, 0, 0.8, 0.15);
    --md-sys-motion-duration-short: 150ms;
    --md-sys-motion-duration-medium: 300ms;
    --md-sys-motion-duration-long: 500ms;
}

/* リセット＆基本設定 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family-base);
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-regular);
    color: var(--color-text);
    line-height: var(--line-height-base);
    background-color: var(--color-white);
}

/* コンテナ */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ========================================
   固定ヘッダー
   ======================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    z-index: 1000;
    transition: var(--transition-fast);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

/* ハンバーガーメニューボタン */
.hamburger {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 44px;
    height: 44px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: background-color 0.2s ease;
}

.hamburger:hover {
    background-color: var(--color-bg-gray);
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

/* ハンバーガー開いた状態 */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* モバイルナビゲーション */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -280px;
    width: 280px;
    height: 100vh;
    background-color: var(--color-white);
    z-index: 1001;
    padding: 80px 24px 24px;
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.15);
    transition: right 0.3s cubic-bezier(0.2, 0, 0, 1);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

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

/* 閉じるボタン */
.mobile-nav-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    border-radius: 50%;
    transition: background-color 0.2s ease;
}

.mobile-nav-close:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.mobile-nav-close:active {
    background-color: rgba(0, 0, 0, 0.1);
}

.close-line {
    position: absolute;
    width: 24px;
    height: 2px;
    background-color: var(--color-text);
    transition: background-color 0.2s ease;
}

.close-line:first-child {
    transform: rotate(45deg);
}

.close-line:last-child {
    transform: rotate(-45deg);
}

.mobile-nav-close:hover .close-line {
    background-color: var(--color-accent);
}

.mobile-nav-link {
    display: block;
    padding: 16px 20px;
    color: var(--color-text);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    border-radius: 12px;
    transition: background-color 0.2s ease, color 0.2s ease;
    opacity: 0;
    transform: translateX(100px);
}

/* メニューが開いた時のスライドインアニメーション */
.mobile-nav.active .mobile-nav-link {
    opacity: 1;
    transform: translateX(0);
}

.mobile-nav.active .mobile-nav-link:nth-of-type(1) {
    transition: opacity 0.4s cubic-bezier(0.2, 0, 0, 1) 0.1s, transform 0.4s cubic-bezier(0.2, 0, 0, 1) 0.1s, background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav.active .mobile-nav-link:nth-of-type(2) {
    transition: opacity 0.4s cubic-bezier(0.2, 0, 0, 1) 0.18s, transform 0.4s cubic-bezier(0.2, 0, 0, 1) 0.18s, background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav.active .mobile-nav-link:nth-of-type(3) {
    transition: opacity 0.4s cubic-bezier(0.2, 0, 0, 1) 0.26s, transform 0.4s cubic-bezier(0.2, 0, 0, 1) 0.26s, background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav.active .mobile-nav-link:nth-of-type(4) {
    transition: opacity 0.4s cubic-bezier(0.2, 0, 0, 1) 0.34s, transform 0.4s cubic-bezier(0.2, 0, 0, 1) 0.34s, background-color 0.2s ease, color 0.2s ease;
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
    background-color: var(--color-bg-gray);
    color: var(--color-accent);
}

.mobile-nav-link.active {
    background-color: rgba(255, 0, 0, 0.08);
}

/* オーバーレイ */
.nav-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

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

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    font-weight: bold;
}

.logo-text {
    font-size: 1.5rem;
    color: var(--color-primary);
    letter-spacing: 0.05em;
}

.logo-accent {
    color: var(--color-accent);
}

.logo-sub {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--color-text-light);
}

/* ヒーロー下アイコンバー */
.hero-icons-bar {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
    padding: 24px 0;
    background-color: var(--color-white);
}

.hero-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    transition: all 0.2s ease;
}

.hero-icon-link img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.hero-icon-link:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

/* ========================================
   固定予約ボタン
   ======================================== */
.fixed-booking-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: linear-gradient(135deg, var(--color-accent), #FF4444);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    border-radius: 50px;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
    z-index: 999;
    transition: var(--transition-fast);
    font-weight: bold;
    font-size: 1rem;
}

.fixed-booking-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

.booking-icon {
    font-size: 1.3rem;
}

/* ========================================
   ヒーローセクション
   ======================================== */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('images/hero-bg.png') center center / cover no-repeat;
    overflow: hidden;
}

/* ロゴスプラッシュオーバーレイ */
.hero-splash-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 2;
}

/* ヒーローブランドタイトル */
.hero-brand-title {
    font-family: var(--font-family-serif);
    font-size: 3.5rem;
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
    letter-spacing: 0.05em;
}

/* ヒーロータグライン */
.hero-tagline-main {
    font-size: 1.6rem;
    color: var(--color-primary);
    margin-top: var(--spacing-sm);
    text-shadow: 0 2px 10px rgba(255, 255, 255, 0.8);
}

/* ヒーローアニメーション（スクロールトリガー） */
.hero-animate {
    opacity: 0;
    transform: translateY(-50px);
    transition: opacity 1.2s ease-out, transform 1.2s ease-out;
}

.hero-animate.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ロゴスタイル */
.hero-splash-logo {
    max-width: 350px;
    filter: drop-shadow(0 4px 20px rgba(0, 0, 0, 0.3));
}

/* モバイル対応 */
@media (max-width: 768px) {
    .hero-brand-title {
        font-size: 2.2rem;
    }
    .hero-tagline-main {
        font-size: 1.2rem;
    }
    .hero-splash-logo {
        max-width: 220px;
    }
}

.hero-content {
    text-align: center;
    color: var(--color-white);
    z-index: 1;
    animation: fadeInUp 1s ease forwards;
    padding: 48px 40px;
    pointer-events: auto;
}

.hero-logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.splash-icon {
    font-size: 5rem;
    filter: drop-shadow(0 0 20px var(--color-splash));
    animation: float 3s ease-in-out infinite;
}

.hero-title {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
}

.title-main {
    font-family: var(--font-family-serif);
    font-size: 4rem;
    font-weight: var(--font-weight-bold);
    letter-spacing: 0.05em;
}

.title-accent {
    color: var(--color-accent);
    text-shadow: 0 0 20px rgba(255, 0, 0, 0.5);
}

.title-sub {
    font-size: 2.5rem;
    font-style: italic;
    color: var(--color-splash);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.hero-tagline {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.tagline-accent {
    color: var(--color-accent);
    font-weight: bold;
}

.hero-cta {
    display: inline-block;
    background-color: var(--color-white);
    color: var(--color-primary);
    padding: 1rem 3rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

.hero-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
    background-color: var(--color-accent);
    color: var(--color-white);
}

/* ヒーローCTAボタン - シャイン効果 */
.hero-content .md3-button {
    position: relative;
    overflow: hidden;
}

.hero-content .md3-button::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.3) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s var(--md-sys-motion-easing-standard);
}

.hero-content .md3-button:hover::after {
    transform: translateX(100%);
}

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

.section:nth-child(even) {
    background-color: var(--color-bg-gray);
}

.section-title {
    font-family: var(--font-family-script);
    font-size: 3rem;
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-primary);
    /* 横スライドインアニメーション */
    opacity: 0;
    transform: translateX(-60px);
    transition: opacity 0.6s cubic-bezier(0.2, 0, 0, 1),
                transform 0.6s cubic-bezier(0.2, 0, 0, 1);
}

.section-title.visible {
    opacity: 1;
    transform: translateX(0);
}

.section-subtitle {
    font-size: 1.3rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-text-light);
}

.text-accent {
    color: var(--color-accent);
    font-weight: bold;
}

/* ========================================
   About Usセクション
   ======================================== */
.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    font-size: 1.2rem;
    line-height: 2;
    color: var(--color-text);
}

/* ========================================
   Menuセクション
   ======================================== */
/* スクロールコンテナ */
.menu-scroll-container {
    position: relative;
}

.menu-scroll-container::before,
.menu-scroll-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    z-index: 10;
}

.menu-scroll-container::before {
    left: 0;
    background: linear-gradient(to right, var(--color-bg-gray), transparent);
}

.menu-scroll-container::after {
    right: 0;
    background: linear-gradient(to left, var(--color-bg-gray), transparent);
}

.menu-grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    scroll-behavior: smooth;
}

.menu-grid::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

/* スクロールヒント */
.scroll-hint {
    text-align: center;
    font-size: 12px;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.scroll-hint::before,
.scroll-hint::after {
    content: '←';
    opacity: 0.5;
}

.scroll-hint::after {
    content: '→';
}

/* MD3 Menu Card */
.menu-card {
    flex: 0 0 auto;
    width: 320px;
    background-color: var(--md-sys-color-surface);
    border-radius: 16px;
    padding: 0;
    box-shadow: var(--md-sys-elevation-level1);
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    overflow: hidden;
    scroll-snap-align: start;
}

.menu-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--md-sys-color-on-surface);
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.2, 0, 0, 1);
    pointer-events: none;
    z-index: 1;
}

.menu-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--md-sys-elevation-level2);
}

.menu-card:hover::before {
    opacity: 0.04;
}

.menu-card.featured {
    border: none;
    background: linear-gradient(135deg, rgba(255, 0, 0, 0.03), transparent);
}

.menu-card.featured::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--color-accent);
}

.menu-card.premium {
    border: none;
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.05), transparent);
}

.menu-card.premium::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #FFD700, #FFA500);
}

/* MD3 Badge */
.featured-badge {
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.1px;
    white-space: nowrap;
    flex-shrink: 0;
}

.premium-badge {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #000;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.badge-icon {
    width: 14px;
    height: 14px;
    object-fit: contain;
}

/* MD3 Card Header */
.menu-card-header {
    padding: 20px 20px 16px;
    position: relative;
    z-index: 2;
}

.menu-title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 4px;
}

.menu-name {
    font-family: var(--font-family-script);
    font-size: 1.8rem;
    margin-bottom: 0;
    color: var(--color-primary);
    font-weight: var(--font-weight-regular);
    letter-spacing: 0;
}

.menu-time {
    font-size: 12px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface-variant);
    letter-spacing: 0.5px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 10px;
    background-color: var(--md-sys-color-surface-variant);
    border-radius: 6px;
    margin-top: 8px;
}

/* MD3 Card Content */
.menu-details {
    padding: 16px 20px;
    border-top: 1px solid var(--md-sys-color-outline-variant);
    position: relative;
    z-index: 2;
}

.menu-details h4 {
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--md-sys-color-on-surface);
    letter-spacing: 0.1px;
}

.menu-list {
    list-style: none;
    margin-bottom: 0;
    color: var(--md-sys-color-on-surface-variant);
}

.menu-list li {
    padding: 6px 0;
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.25px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.menu-list li::before {
    content: '✓';
    color: var(--color-splash);
    font-size: 12px;
    font-weight: bold;
}

.menu-option {
    font-size: 12px;
    color: var(--color-accent);
    margin-top: 12px;
    padding: 8px 12px;
    background-color: rgba(255, 0, 0, 0.05);
    border-radius: 8px;
    display: inline-block;
}

/* MD3 Card Footer - Pricing */
.menu-pricing {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 16px 20px;
    background-color: var(--md-sys-color-surface-variant);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    position: relative;
    z-index: 2;
}

.price-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background-color: var(--md-sys-color-surface);
    border-radius: 8px;
    font-size: 13px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.08);
}

.size {
    font-weight: 600;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 12px;
}

.price {
    font-weight: 600;
    color: var(--color-primary);
}

.menu-note {
    text-align: center;
    margin-top: var(--spacing-md);
    font-size: 0.95rem;
    color: var(--color-text-light);
}

/* ========================================
   Optionセクション
   ======================================== */
.option-category {
    margin-bottom: var(--spacing-lg);
}

.category-title {
    font-family: var(--font-family-script);
    font-size: 2.2rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    text-align: center;
    font-weight: var(--font-weight-regular);
}

/* オプションスクロールコンテナ */
.option-scroll-container {
    position: relative;
}

.option-scroll-container::before,
.option-scroll-container::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 40px;
    pointer-events: none;
    z-index: 10;
}

.option-scroll-container::before {
    left: 0;
    background: linear-gradient(to right, var(--color-white), transparent);
}

.option-scroll-container::after {
    right: 0;
    background: linear-gradient(to left, var(--color-white), transparent);
}

.option-grid {
    display: flex;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    padding: 0 var(--spacing-md) var(--spacing-md) var(--spacing-md);
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none; /* IE/Edge */
    scroll-behavior: smooth;
}

.option-grid::-webkit-scrollbar {
    display: none; /* Chrome/Safari/Opera */
}

/* MD3 Option Card */
.option-card {
    flex: 0 0 auto;
    width: 300px;
    background-color: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: 16px;
    padding: 0;
    overflow: hidden;
    position: relative;
    scroll-snap-align: start;
    transition: all 0.2s var(--md-sys-motion-easing-standard);
}

/* ステートレイヤー */
.option-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-color: var(--md-sys-color-on-surface);
    opacity: 0;
    transition: opacity 0.2s var(--md-sys-motion-easing-standard);
    pointer-events: none;
    z-index: 1;
}

.option-card:hover {
    box-shadow: var(--md-sys-elevation-level1);
    transform: translateY(-2px);
}

.option-card:hover::before {
    opacity: 0.04;
}

/* カードヘッダー */
.option-card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    position: relative;
    z-index: 2;
}

.option-name {
    font-size: 16px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    margin: 0;
    border: none;
    padding: 0;
}

/* 価格チップコンテナ */
.option-prices {
    padding: 16px 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    position: relative;
    z-index: 2;
}

/* 価格チップ */
.option-prices span {
    display: inline-flex;
    align-items: center;
    padding: 6px 12px;
    background-color: var(--md-sys-color-surface-variant);
    border-radius: 8px;
    font-size: 13px;
    color: var(--md-sys-color-on-surface-variant);
}

.coating-section {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--color-bg-light);
    border-radius: 12px;
}

.coming-soon {
    font-size: 1.5rem;
    font-style: italic;
    color: var(--color-text-light);
}

/* ========================================
   Shop Infoセクション
   ======================================== */
.shop-content {
    max-width: 800px;
    margin: 0 auto;
}

.shop-details {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: var(--spacing-lg);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.shop-name {
    font-family: var(--font-family-script);
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--color-primary);
    font-weight: var(--font-weight-regular);
}

.shop-info-item {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-bg-gray);
}

.shop-info-item:last-of-type {
    border-bottom: none;
}

.info-label {
    font-size: 0.95rem;
    color: var(--color-text-light);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.info-value {
    font-size: 1.1rem;
    color: var(--color-text);
    line-height: 1.6;
}

.phone-link {
    color: var(--color-accent);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition-fast);
}

.phone-link:hover {
    opacity: 0.8;
}

.shop-map-embed {
    margin-top: var(--spacing-md);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--md-sys-elevation-level1);
}

.shop-map-embed iframe {
    display: block;
    width: 100%;
}

.shop-map {
    margin-top: var(--spacing-md);
    text-align: center;
}

.map-btn {
    display: inline-block;
    background-color: var(--color-splash);
    color: var(--color-white);
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition-fast);
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.map-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    opacity: 0.9;
}

/* ========================================
   Contact/Bookingセクション
   ======================================== */
.contact-intro {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.contact-intro p {
    font-size: 1.1rem;
    line-height: 2;
    margin-bottom: var(--spacing-sm);
}

.contact-closing {
    font-weight: bold;
    color: var(--color-accent);
    margin-top: var(--spacing-md);
}

/* コンタクトアイコン横一列 */
.contact-icons-row {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 32px;
}

.contact-icon-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    transition: all 0.2s var(--md-sys-motion-easing-standard);
}

.contact-icon-link img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.contact-icon-link:hover {
    transform: scale(1.1);
    opacity: 0.8;
}

.contact-btn {
    display: inline-block;
    padding: 0.8rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    color: var(--color-white);
    font-weight: bold;
    transition: var(--transition-fast);
}

.line-btn {
    background-color: #06C755;
    box-shadow: 0 4px 15px rgba(6, 199, 85, 0.3);
}

.line-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(6, 199, 85, 0.4);
}

.instagram-btn {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4);
    box-shadow: 0 4px 15px rgba(221, 42, 123, 0.3);
}

.instagram-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(221, 42, 123, 0.4);
}

.phone-btn {
    background-color: var(--color-accent);
    box-shadow: 0 4px 15px rgba(255, 0, 0, 0.3);
}

.phone-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(255, 0, 0, 0.4);
}

/* ========================================
   フッター
   ======================================== */
.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-logo {
    display: flex;
    justify-content: center;
    align-items: baseline;
    gap: 0.5rem;
    margin-bottom: var(--spacing-sm);
}

.footer-logo .logo-text {
    color: var(--color-white);
}

.footer-logo .logo-accent {
    color: var(--color-accent);
}

.footer-logo .logo-sub {
    color: rgba(255, 255, 255, 0.7);
}

.footer-tagline {
    font-size: 1rem;
    opacity: 0.8;
    margin-bottom: var(--spacing-sm);
}

.footer-copyright {
    font-size: 0.9rem;
    opacity: 0.6;
}

/* ========================================
   アニメーション
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* ========================================
   MD3 スクロールアニメーション
   ======================================== */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-decelerate),
                transform var(--md-sys-motion-duration-medium) var(--md-sys-motion-easing-decelerate);
}

.animate-on-scroll.visible {
    opacity: 1;
    transform: translateY(0);
}

/* スタッガードアニメーション */
.stagger-1 { transition-delay: 50ms; }
.stagger-2 { transition-delay: 100ms; }
.stagger-3 { transition-delay: 150ms; }
.stagger-4 { transition-delay: 200ms; }
.stagger-5 { transition-delay: 250ms; }
.stagger-6 { transition-delay: 300ms; }
.stagger-7 { transition-delay: 350ms; }
.stagger-8 { transition-delay: 400ms; }

/* ========================================
   Material Design 3 Button System
   ======================================== */

/* Base Button */
.md3-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    height: 40px;
    padding: 0 24px;
    border: none;
    border-radius: 20px;
    font-family: var(--font-family-base);
    font-size: 14px;
    font-weight: var(--font-weight-medium);
    letter-spacing: 0.1px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    overflow: hidden;
    user-select: none;
    -webkit-tap-highlight-color: transparent;
}

.md3-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: currentColor;
    opacity: 0;
    transition: opacity 0.2s cubic-bezier(0.2, 0, 0, 1);
    pointer-events: none;
}

.md3-button:hover::before {
    opacity: var(--md-sys-state-layer-opacity-hover);
}

.md3-button:focus::before {
    opacity: var(--md-sys-state-layer-opacity-focus);
}

.md3-button:active::before {
    opacity: var(--md-sys-state-layer-opacity-pressed);
}

.md3-button:disabled {
    cursor: not-allowed;
    opacity: 0.38;
    pointer-events: none;
}

/* Filled Button (Primary) */
.md3-button-filled {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-button-filled:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

.md3-button-filled:active {
    box-shadow: var(--md-sys-elevation-level0);
}

/* Filled Button Secondary */
.md3-button-filled.secondary {
    background-color: var(--md-sys-color-secondary);
    color: var(--md-sys-color-on-secondary);
}

/* Outlined Button */
.md3-button-outlined {
    background-color: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-outline);
    box-shadow: none;
}

.md3-button-outlined:hover {
    background-color: rgba(255, 0, 0, 0.04);
}

.md3-button-outlined.secondary {
    color: var(--md-sys-color-secondary);
}

.md3-button-outlined.secondary:hover {
    background-color: rgba(0, 212, 255, 0.04);
}

/* Tonal Button */
.md3-button-tonal {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    box-shadow: var(--md-sys-elevation-level0);
}

.md3-button-tonal:hover {
    box-shadow: var(--md-sys-elevation-level1);
}

.md3-button-tonal:active {
    box-shadow: var(--md-sys-elevation-level0);
}

/* Tonal Button Primary */
.md3-button-tonal.primary {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
}

/* Elevated Button */
.md3-button-elevated {
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-primary);
    box-shadow: var(--md-sys-elevation-level1);
}

.md3-button-elevated:hover {
    box-shadow: var(--md-sys-elevation-level2);
}

.md3-button-elevated:active {
    box-shadow: var(--md-sys-elevation-level1);
}

/* Text Button */
.md3-button-text {
    background-color: transparent;
    color: var(--md-sys-color-primary);
    padding: 0 12px;
    box-shadow: none;
}

.md3-button-text:hover {
    background-color: rgba(255, 0, 0, 0.04);
}

.md3-button-text.secondary {
    color: var(--md-sys-color-secondary);
}

.md3-button-text.secondary:hover {
    background-color: rgba(0, 212, 255, 0.04);
}

/* Button Sizes */
.md3-button-small {
    height: 32px;
    padding: 0 16px;
    font-size: 13px;
    border-radius: 16px;
}

.md3-button-large {
    height: 48px;
    padding: 0 32px;
    font-size: 15px;
    border-radius: 24px;
}

/* Special Buttons (LINE, Instagram, Phone) */
.md3-button-line {
    background-color: #06C755;
    color: #FFFFFF;
}

.md3-button-instagram {
    background: linear-gradient(45deg, #F58529, #DD2A7B, #8134AF, #515BD4);
    color: #FFFFFF;
}

.md3-button-phone {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
}

/* Icon in Button */
.md3-button-icon {
    font-size: 18px;
    width: 18px;
    height: 18px;
}

.md3-button-icon-img {
    width: 18px;
    height: 18px;
    object-fit: contain;
}

/* ========================================
   レスポンシブデザイン
   ======================================== */
@media (max-width: 768px) {
    /* ヘッダー */
    .header-container {
        padding: 12px 16px;
    }

    /* ヒーロー */
    .title-main {
        font-size: 2.5rem;
    }

    .title-sub {
        font-size: 1.8rem;
    }

    .hero-tagline {
        font-size: 1.1rem;
    }

    .splash-icon {
        font-size: 3rem;
    }

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

    .section-title {
        font-size: 2rem;
    }

    .section-subtitle {
        font-size: 1.1rem;
    }

    /* 固定予約ボタン */
    .fixed-booking-btn {
        bottom: 1rem;
        right: 1rem;
        padding: 0.8rem 1.2rem;
        font-size: 0.9rem;
    }

    /* メニューとオプションは横スクロールを維持 */
    .menu-card {
        width: 280px;
    }

    .menu-card-header {
        padding: 16px 16px 12px;
    }

    .menu-name {
        font-size: 1.5rem;
    }

    .menu-details {
        padding: 12px 16px;
    }

    .menu-pricing {
        padding: 12px 16px;
        gap: 6px;
    }

    .price-item {
        padding: 6px 10px;
        font-size: 12px;
    }

    .option-card {
        width: 260px;
    }

    /* コンタクトメソッド */
    .contact-methods {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 428px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .title-main {
        font-size: 2rem;
    }

    .title-sub {
        font-size: 1.5rem;
    }

    .hero-tagline {
        font-size: 1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .about-text {
        font-size: 1rem;
    }

    .menu-name {
        font-size: 1.5rem;
    }

    .fixed-booking-btn {
        padding: 0.7rem 1rem;
        font-size: 0.85rem;
    }
}