/* ==========================================
   ベース設定 & 変数定義
   ========================================== */
:root {
    --color-main-dark: #1a1a1a;     /* 洗練された黒 */
    --color-light-gray: #f9f9f9;    /* 明るい背景グレー */
    --color-border: #e5e5e5;
    --color-noren-blue: #1a3b8b;    /* 酔いどれの藍色 */
    --color-wood: #d9b48f;          /* アクセント用の白木ゴールドトーン */
    --font-serif: 'Noto Serif JP', serif;
    --font-sans: 'Noto Sans JP', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--color-main-dark);
    background-color: #ffffff;
    line-height: 1.8;
    letter-spacing: 0.05em;
}

.section-padding {
    padding: 100px 0;
}

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

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
}

.container-small {
    width: 90%;
    max-width: 750px;
    margin: 0 auto;
}

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

/* 共通セクション見出し */
.section-en {
    font-size: 0.75rem;
    font-weight: 700;
    color: #999;
    letter-spacing: 0.2em;
    display: block;
    margin-bottom: 5px;
}

.section-ja {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 40px;
    letter-spacing: 0.1em;
}

/* ==========================================
   ヘッダー
   ========================================== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 4%;
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
}

.header-logo a {
    text-decoration: none; 
    color: inherit;        
    transition: opacity 0.3s;
}

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

.header-logo h1 {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 900;
    white-space: nowrap; /* ★追加：スマホ等で絶対に店名が途中で改行されないようにする */
}

.header-logo .branch {
    font-size: 0.75rem;
    font-family: var(--font-sans);
    background-color: var(--color-noren-blue);
    color: #fff;
    padding: 2px 6px;
    margin-left: 5px;
    vertical-align: middle;
}

.header-nav a {
    text-decoration: none;
    color: var(--color-main-dark);
    font-size: 0.8rem;
    font-weight: 500;
    margin: 0 15px;
    letter-spacing: 0.1em;
    transition: color 0.3s;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-insta {
    text-decoration: none;
    color: #666;
    font-size: 0.8rem;
}

.btn-reserve {
    text-decoration: none;
    background-color: var(--color-main-dark);
    color: #fff;
    font-size: 0.8rem;
    padding: 8px 20px;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: background-color 0.3s;
}

.btn-reserve:hover {
    background-color: var(--color-noren-blue);
}

/* ==========================================
   ファーストビュー
   ========================================== */
.hero-section {
    position: relative;
    width: 100%;
    height: auto;
    margin-top: 70px;
    overflow: hidden;
    background-color: #f5f5f5;
}

.hero-bg {
    width: 100%;
    aspect-ratio: 4 / 3;
    background-image: url('images/mv_001.jpg');
    background-repeat: no-repeat;
    background-position: center center;
    background-size: contain; /* ★重要：スマホ時は画像全体が綺麗に収まるようにする */
}

.hero-title-box {
    position: relative;
    padding: 30px 5%;
    color: var(--color-main-dark);
    text-shadow: none;
}

.hero-lead {
    font-size: 0.9rem;
    color: var(--color-noren-blue);
    margin-bottom: 10px;
    letter-spacing: 0.15em;
    font-weight: 700;
}

.hero-main-title {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 700;
    line-height: 1.5;
}

/* ==========================================
   CONCEPT
   ========================================== */
.concept-lead {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--color-noren-blue);
    margin-bottom: 30px;
    line-height: 1.6;
}

.concept-body p {
    font-size: 0.95rem;
    color: #555;
    margin-bottom: 20px;
}

/* ==========================================
   RECOMMEND (3カラムカード)
   ========================================== */
.recommend-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.recommend-card {
    background-color: #fff;
    border: 1px solid var(--color-border);
}

.card-img {
    height: 240px;
    background-size: cover;
    background-position: center;
}

.card-content {
    padding: 20px;
}

.card-content h4 {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

.card-desc {
    font-size: 0.85rem;
    color: #666;
    line-height: 1.6;
}

/* ==========================================
   MENU DETAIL (2カラム交互)
   ========================================== */
.flex-row {
    display: flex;
    align-items: center;
    gap: 5%;
    margin-bottom: 80px;
}

.flex-row.reverse {
    flex-direction: row-reverse;
}

.flex-img {
    width: 50%;
    height: 400px;
    background-size: cover;
    background-position: center;
}

.flex-text {
    width: 45%;
}

.flex-text .sub-title {
    font-size: 0.75rem;
    color: var(--color-noren-blue);
    font-weight: 700;
    letter-spacing: 0.1em;
}

.flex-text h3 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    margin: 5px 0 20px 0;
}

.flex-text p {
    font-size: 0.9rem;
    color: #555;
    margin-bottom: 25px;
}

.price-list {
    list-style: none;
    border-top: 1px solid var(--color-border);
}

.price-list li {
    padding: 10px 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
}

/* ==========================================
   FLOOR (お写真に合わせた洗練レイアウト)
   ========================================== */
.floor-lead {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 40px;
    color: var(--color-noren-blue);
}

.floor-grid {
    max-width: 900px;
    margin: 0 auto;
}

.floor-img-large {
    height: 500px;
    background-size: cover;
    background-position: center center;
    margin-bottom: 30px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.floor-desc-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.floor-sub-caption {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 15px;
    text-align: left;
    letter-spacing: 0.05em;
}

.floor-desc {
    font-size: 0.9rem;
    color: #555;
    line-height: 1.8;
}

/* ==========================================
   INSTAGRAM
   ========================================== */
.insta-lead {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 40px;
}

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

.insta-item {
    position: relative;
    display: block;
    aspect-ratio: 1 / 1.4;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.insta-img {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: transform 0.5s ease;
}

.insta-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 59, 139, 0.85);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.insta-hover-overlay span {
    color: #ffffff;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    border: 1px solid #ffffff;
    padding: 8px 16px;
}

/* ★修正★ PC環境のみホバーを有効化し、スマホでの誤動作を防ぐ */
@media (hover: hover) {
    .insta-item:hover .insta-img { transform: scale(1.08); }
    .insta-item:hover .insta-hover-overlay { opacity: 1; }
}

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

.btn-insta-follow {
    display: inline-block;
    text-decoration: none;
    background-color: transparent;
    color: var(--color-main-dark);
    border: 1px solid var(--color-main-dark);
    padding: 12px 40px;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    transition: all 0.3s ease;
}

.btn-insta-follow:hover {
    background-color: var(--color-main-dark);
    color: #ffffff;
}

/* ==========================================
   MAP (純粋な大画面地図セクション)
   ========================================== */
.map-section-pure {
    width: 100%;
    height: 450px;
    overflow: hidden;
    background-color: var(--color-light-gray);
}

.map-section-pure iframe {
    filter: grayscale(15%) contrast(105%);
    transition: filter 0.3s ease;
}

.map-section-pure:hover iframe {
    filter: grayscale(0%) contrast(100%);
}

/* ==========================================
   FOOTER (集約型リッチフッター)
   ========================================== */
.site-footer {
    background-color: #111111;
    color: #999;
    padding: 80px 0 30px 0;
    font-size: 0.85rem;
    letter-spacing: 0.08em;
}

.footer-container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 1.2fr 0.8fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-block {
    display: flex;
    flex-direction: column;
}

.footer-block .block-title {
    font-size: 0.75rem;
    color: #555;
    letter-spacing: 0.2em;
    font-weight: 700;
    display: block;
    margin-bottom: 20px;
    border-bottom: 1px solid #222;
    padding-bottom: 5px;
}

.footer-block .footer-logo h2 {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    color: #fff;
    margin-bottom: 20px;
}

.footer-block .footer-logo .branch {
    font-size: 0.75rem;
    font-family: var(--font-sans);
    background-color: var(--color-noren-blue);
    color: #fff;
    padding: 2px 6px;
    margin-left: 5px;
    vertical-align: middle;
}

.footer-block .address {
    color: #fff;
    font-weight: 500;
    margin-bottom: 10px;
}

.footer-block .route {
    font-size: 0.8rem;
    color: #888;
    margin-bottom: 20px;
}

.btn-google-route {
    color: var(--color-wood);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 700;
    transition: color 0.3s;
}

.btn-google-route:hover { color: #fff; }
.footer-block .tel { margin-bottom: 15px; }

.footer-block .tel a {
    color: #fff;
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 700;
}

.footer-block .hours,
.footer-block .notes {
    line-height: 1.8;
    margin-bottom: 15px;
}

.footer-links-list { list-style: none; }
.footer-links-list li { margin-bottom: 15px; }

.footer-links-list li a {
    color: #888;
    text-decoration: none;
    transition: color 0.3s;
    display: inline-block;
}

.footer-links-list li a:hover { color: #fff; }

.footer-links-list .link-tabelog {
    color: #e67e22;
    font-weight: 500;
}

.footer-links-list .link-tabelog:hover { color: #ff9f43; }

.footer-copyright {
    border-top: 1px solid #222;
    padding-top: 30px;
    font-size: 0.75rem;
    color: #444;
}

/* ==========================================
   スマホ用固定ボタン
   ========================================== */
.floating-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background-color: var(--color-main-dark);
    text-align: center;
    z-index: 2000;
    display: none;
}

.btn-floating-reserve {
    display: block;
    color: #fff;
    text-decoration: none;
    padding: 15px 0;
    font-weight: 700;
    font-size: 0.95rem;
    letter-spacing: 0.1em;
}

/* ==========================================
   PCメディアクエリ (PCでの見え方調整)
   ========================================== */
@media (min-width: 769px) {
    .hero-section {
        display: block;
        height: 60vh;
    }
    
    .hero-bg {
        height: 100%;
        aspect-ratio: auto;
        background-size: cover; 
        background-position: 50% 15%; 
    }
    
    .hero-title-box {
        position: absolute;
        bottom: 8%;
        left: 5%;
        color: #fff;
        text-shadow: 0 2px 10px rgba(0,0,0,0.5);
        padding: 0;
        z-index: 10;
    }
    
    .hero-lead {
        color: #fff;
    }
    
    .hero-main-title {
        font-size: 2.2rem;
    }
}

/* ==========================================
   レスポンシブ（タブレット・スマホ自動最適化）
   ========================================== */
@media (max-width: 960px) {
    .recommend-grid { grid-template-columns: 1fr; }
    .flex-row, .flex-row.reverse { flex-direction: column; gap: 20px; }
    .flex-img, .flex-text { width: 100%; }
    .flex-img { height: 300px; }
    .footer-container { grid-template-columns: 1fr; gap: 40px; }
}

@media (max-width: 768px) {
    .header-nav { display: none; }
    
    /* ★修正★ スマホ時にロゴとボタンが重ならないよう余白とサイズを微調整 */
    .site-header { padding: 0 3%; }
    .header-logo h1 { font-size: 1.1rem; }
    .header-actions { gap: 8px; }
    .btn-reserve { padding: 6px 12px; font-size: 0.75rem; }
    .btn-insta { font-size: 0.75rem; }

    .section-padding { padding: 60px 0; }
    .floating-cta { display: block; }
    
    /* ★修正★ 固定ボタンの高さに合わせてフッターの最下部が隠れないよう多めに余白をとる */
    body { padding-bottom: 60px; } 
    
    .insta-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .insta-item:nth-child(n+5) { display: none; } 
    .floor-img-large { height: 300px; }
    .floor-sub-caption { font-size: 1.1rem; }
    .map-section-pure { height: 350px; }
}