/* ==========================================================================
   恵比須屋食堂 CSS スタイルシート (高級感・プロ仕様リニューアル)
   ========================================================================== */

/* 変数定義（デザインシステム） */
:root {
    --bg-color-main: #0a0a0a;       /* 深みのある漆黒 */
    --bg-color-card: #141414;       /* カード等の背景（少し明るい黒） */
    --bg-color-accent: #1f1f1f;     /* ホバー時などの背景 */
    
    --color-text-main: #f5f5f5;     /* メインテキスト（柔らかい白） */
    --color-text-sub: #b0b0b0;      /* サブテキスト（グレー） */
    
    --color-gold: #c9a84c;          /* 上品なゴールド（アクセント） */
    --color-gold-hover: #dfc27d;    /* ゴールドホバー時 */
    --color-gold-light: rgba(201, 168, 76, 0.1); /* ゴールドの透過背景 */
    
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Outfit', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

/* 共通設定・リセット */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color-main);
    color: var(--color-text-main);
    font-family: var(--font-serif);
    line-height: 1.8;
    letter-spacing: 0.05em;
    overflow-x: hidden;
    opacity: 0;
    animation: pageFadeIn 1.2s forwards ease-out;
}

/* フェードインアニメーション */
@keyframes pageFadeIn {
    0% { opacity: 0; transform: translateY(10px); }
    100% { opacity: 1; transform: translateY(0); }
}

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

/* リンクスタイル */
a {
    color: var(--color-text-main);
    text-decoration: none;
    transition: var(--transition-smooth);
}

a:hover {
    color: var(--color-gold);
}

/* ボタン共通 */
.btn-gold {
    display: inline-block;
    padding: 12px 36px;
    background-color: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    font-family: var(--font-serif);
    font-weight: 500;
    font-size: 16px;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

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

.btn-gold:hover {
    color: var(--bg-color-main);
}

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

/* セクションタイトル */
.section-title-wrap {
    text-align: center;
    margin-bottom: 50px;
    position: relative;
}

.section-title {
    font-size: 32px;
    font-weight: 500;
    color: var(--color-text-main);
    position: relative;
    display: inline-block;
    padding-bottom: 12px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 1px;
    background-color: var(--color-gold);
}

.section-subtitle {
    font-family: var(--font-sans);
    color: var(--color-gold);
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-top: 6px;
}

/* ==========================================================================
   1. ヘッダー
   ========================================================================== */
.header {
    background-color: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-logo img {
    height: 60px; /* ナビゲーションに合わせたスリムな高さに調整 */
    width: auto;
    display: block;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));
}

.header-nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

.header-nav a {
    font-size: 15px;
    font-weight: 500;
    letter-spacing: 0.08em;
    position: relative;
    padding: 8px 0;
}

.header-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-gold);
    transition: var(--transition-smooth);
}

.header-nav a:hover {
    color: var(--color-gold);
}

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

/* ==========================================================================
   2. ヒーローセクション
   ========================================================================== */
.hero {
    position: relative;
    height: 80vh;
    min-height: 500px;
    overflow: hidden;
}

.hero-video-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-video-container video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10,10,10,0.4) 0%, rgba(10,10,10,0.85) 100%);
    z-index: 1;
}

.hero-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
    width: 90%;
    max-width: 800px;
}

.hero-sub {
    font-size: 18px;
    color: var(--color-gold);
    display: block;
    margin-bottom: 15px;
    letter-spacing: 0.25em;
    font-weight: 300;
}

.hero-title {
    font-size: 56px;
    font-weight: 700;
    margin-bottom: 20px;
    letter-spacing: 0.15em;
    color: var(--color-text-main);
    text-shadow: 0 4px 15px rgba(0,0,0,0.8);
}

.hero-desc {
    font-size: 16px;
    color: var(--color-text-sub);
    margin-bottom: 35px;
    letter-spacing: 0.1em;
}

/* ==========================================================================
   3. メニューセクション
   ========================================================================== */
.menu {
    padding: 100px 0;
    background-color: var(--bg-color-main);
}

.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.menu-card {
    background-color: var(--bg-color-card);
    border: 1px solid rgba(255, 255, 255, 0.03);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.menu-card:hover {
    transform: translateY(-8px);
    border-color: rgba(201, 168, 76, 0.3);
    box-shadow: 0 10px 30px rgba(201, 168, 76, 0.08);
}

.menu-img-wrap {
    width: 100%;
    height: 240px;
    overflow: hidden;
    position: relative;
    background-color: #000;
}

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

.menu-card:hover .menu-img-wrap img {
    transform: scale(1.06);
    opacity: 0.9;
}

.menu-info {
    padding: 24px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.menu-tag {
    align-self: flex-start;
    font-size: 11px;
    font-weight: 500;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 2px 10px;
    margin-bottom: 12px;
    border-radius: 2px;
    letter-spacing: 0.05em;
}

.menu-item-title {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 12px;
    color: var(--color-text-main);
}

.menu-item-desc {
    font-size: 14px;
    color: var(--color-text-sub);
    line-height: 1.7;
    margin-top: 8px; /* タイトルのすぐ下に自然に配置（上の不自然な余白を解消） */
}

.menu-footer {
    text-align: center;
    margin-top: 60px;
    font-size: 16px;
    color: var(--color-text-sub);
}

/* ==========================================================================
   4. ご予約・お問い合わせ
   ========================================================================== */
.contact {
    padding: 100px 0;
    background-color: var(--bg-color-card);
    border-top: 1px solid rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
}

.contact-box {
    max-width: 700px;
    margin: 0 auto;
    background-color: var(--bg-color-main);
    border: 1px solid rgba(201, 168, 76, 0.2);
    padding: 50px 30px;
    border-radius: 8px;
    text-align: center;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

.tel-number {
    font-family: var(--font-sans);
    font-size: 42px;
    color: var(--color-gold);
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 15px;
    line-height: 1.2;
}

.tel-desc {
    font-size: 15px;
    color: var(--color-text-sub);
    margin-bottom: 30px;
}

.btn-tel {
    display: inline-block;
    padding: 12px 40px;
    background-color: var(--color-gold);
    color: var(--bg-color-main);
    font-weight: 600;
    border-radius: 4px;
    letter-spacing: 0.1em;
    transition: var(--transition-smooth);
}

.btn-tel:hover {
    background-color: var(--color-gold-hover);
    color: var(--bg-color-main);
    transform: translateY(-2px);
}

/* ==========================================================================
   5. アクセス
   ========================================================================== */
.access {
    padding: 100px 0;
    background-color: var(--bg-color-main);
}

.access-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    margin-top: 30px;
}

.access-info {
    padding-right: 20px;
}

.address {
    font-size: 20px;
    font-weight: 500;
    margin-bottom: 30px;
    line-height: 1.6;
}

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

.business-table th, .business-table td {
    padding: 15px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    text-align: left;
    font-size: 15px;
}

.business-table th {
    color: var(--color-gold);
    font-weight: 500;
    width: 120px;
}

.business-table td {
    color: var(--color-text-main);
}

.access-map-img {
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.access-map-img img {
    width: 100%;
    height: 100%;
    max-height: 350px;
    object-fit: cover;
    display: block;
    transition: var(--transition-smooth);
}

.access-map-img:hover img {
    transform: scale(1.03);
}

/* ==========================================================================
   6. インスタグラム
   ========================================================================== */
.instagram-section {
    padding: 100px 0;
    background-color: var(--bg-color-card);
}

.instagram-post {
    display: flex;
    justify-content: center;
    margin-top: 30px;
}

/* ==========================================================================
   7. ご挨拶 (About Us)
   ========================================================================== */
.aboutus {
    padding: 120px 0;
    background-color: var(--bg-color-main);
    position: relative;
}

.about-card {
    max-width: 800px;
    margin: 0 auto;
    border-left: 2px solid var(--color-gold);
    border-right: 2px solid var(--color-gold);
    padding: 60px 40px;
    background-color: rgba(20, 20, 20, 0.4);
    position: relative;
}

.about-card::before, .about-card::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gold);
}

.about-card::before { top: 0; }
.about-card::after { bottom: 0; }

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

.about-content .section-title {
    font-size: 28px;
    margin-bottom: 25px;
}

.greeting-lead {
    font-size: 20px;
    color: var(--color-gold);
    margin-bottom: 30px;
    font-weight: 500;
}

.greeting-body {
    font-size: 15px;
    color: var(--color-text-sub);
    line-height: 2.2;
    text-align: justify;
    text-justify: inter-ideograph;
    max-width: 650px;
    margin: 0 auto;
}

/* ==========================================================================
   8. フッター
   ========================================================================== */
.footer {
    padding: 40px 0;
    background-color: #050505;
    border-top: 1px solid rgba(255, 255, 255, 0.03);
    text-align: center;
}

.copyright {
    font-family: var(--font-sans);
    font-size: 13px;
    color: var(--color-text-sub);
    letter-spacing: 0.1em;
}

/* ==========================================================================
   レスポンシブデザイン (メディアクエリ)
   ========================================================================== */

/* タブレット・PC小型 */
@media (max-width: 991px) {
    .hero-title {
        font-size: 46px;
    }
    
    .access-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .access-info {
        padding-right: 0;
    }
    
    .menu-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

/* モバイル */
@media (max-width: 767px) {
    .header-inner {
        flex-direction: column;
        gap: 15px;
        padding: 15px 15px;
    }
    
    .header-nav ul {
        gap: 15px;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .header-nav a {
        font-size: 13px;
    }
    
    .hero {
        height: 70vh;
    }
    
    .hero-title {
        font-size: 32px;
    }
    
    .hero-sub {
        font-size: 14px;
        letter-spacing: 0.15em;
    }
    
    .hero-desc {
        font-size: 14px;
    }
    
    .section-title {
        font-size: 26px;
    }
    
    .tel-number {
        font-size: 30px;
    }
    
    .contact-box {
        padding: 30px 20px;
    }
    
    .about-card {
        padding: 40px 20px;
    }
    
    .greeting-body {
        font-size: 14px;
        line-height: 2.0;
    }
}