/* =============================================================================
   メモリアルサイト - カスタムスタイル
   温かみのある、落ち着いた雰囲気のデザイン
   ============================================================================= */

/* -----------------------------------------------------------------------------
   CSS Variables - カラーパレット
   ----------------------------------------------------------------------------- */
:root {
    /* メインカラー - 落ち着いた暖色系 */
    --color-primary: #8B7355;        /* ブラウン */
    --color-primary-dark: #6B5344;   /* ダークブラウン */
    --color-primary-light: #A89078;  /* ライトブラウン */
    
    /* アクセントカラー */
    --color-accent: #C9A86C;         /* ゴールド */
    --color-accent-soft: #E8D5B7;    /* ソフトゴールド */
    
    /* 背景色 */
    --color-bg-main: #FAF8F5;        /* クリーム */
    --color-bg-section: #F5F1EB;     /* ライトベージュ */
    --color-bg-card: #FFFFFF;        /* ホワイト */
    
    /* テキスト */
    --color-text: #4A4A4A;           /* ダークグレー */
    --color-text-light: #7A7A7A;     /* ライトグレー */
    --color-text-muted: #9A9A9A;     /* ミューテッド */
    
    /* その他 */
    --color-border: #E5E0D8;
    --color-shadow: rgba(139, 115, 85, 0.1);
    
    /* フォント */
    --font-family: 'Zen Maru Gothic', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
    
    /* サイズ */
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --spacing-section: 80px;
}

/* -----------------------------------------------------------------------------
   Base Styles
   ----------------------------------------------------------------------------- */
* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-main);
    color: var(--color-text);
    line-height: 1.8;
    letter-spacing: 0.02em;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.4;
}

/* -----------------------------------------------------------------------------
   Hero Section
   ----------------------------------------------------------------------------- */
.hero-section {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../images/ramen_nori_bg.webp');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    opacity: 1;
}

.hero-title {
    font-size: 3rem;
    color: white;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.2);
    margin-bottom: 1rem;
    animation: fadeInDown 1s ease;
}

.hero-title i {
    margin-right: 0.5rem;
    animation: float 3s ease-in-out infinite;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease 0.3s both;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2rem;
    animation: fadeInUp 1s ease 0.5s both;
}

.stat-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    color: white;
    font-weight: 500;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.stat-item i {
    margin-right: 0.5rem;
}

/* -----------------------------------------------------------------------------
   Sticky Navigation
   ----------------------------------------------------------------------------- */
.sticky-nav {
    position: sticky;
    top: 0;
    z-index: 100;
    background: var(--color-bg-card);
    box-shadow: 0 2px 20px var(--color-shadow);
    padding: 1rem 0;
}

.sticky-nav .nav-link {
    color: var(--color-text);
    font-weight: 500;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    transition: all 0.3s ease;
}

.sticky-nav .nav-link:hover,
.sticky-nav .nav-link.active {
    color: var(--color-primary);
    background: var(--color-accent-soft);
}

.sticky-nav .nav-link i {
    margin-right: 0.5rem;
}

/* -----------------------------------------------------------------------------
   Main Content & Sections
   ----------------------------------------------------------------------------- */
.main-content {
    padding-bottom: var(--spacing-section);
}

.section {
    padding: var(--spacing-section) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.section-title i {
    margin-right: 0.5rem;
    color: var(--color-accent);
}

.section-description {
    color: var(--color-text-light);
    font-size: 1.1rem;
}

/* -----------------------------------------------------------------------------
   Card Memorial Style
   ----------------------------------------------------------------------------- */
.card-memorial {
    background: var(--color-bg-card);
    border-radius: var(--border-radius);
    padding: 2rem;
    box-shadow: 0 4px 20px var(--color-shadow);
    border: 1px solid var(--color-border);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card-memorial:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 30px var(--color-shadow);
}

/* -----------------------------------------------------------------------------
   About Section
   ----------------------------------------------------------------------------- */
.about-section {
    background: var(--color-bg-section);
}

.about-content p {
    margin-bottom: 1rem;
    text-align: justify;
}

.about-content h3 {
    color: var(--color-primary);
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.about-content img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--color-shadow);
    margin: 1rem 0;
    display: block;
}

/* 店舗変遷タブ */
.store-history-section {
    margin-top: 2rem;
}

.store-history-section h3 {
    color: var(--color-primary);
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.store-history-section .nav-tabs {
    border-bottom: 2px solid var(--color-primary);
}

.store-history-section .nav-link {
    color: var(--color-text-secondary);
    font-weight: 500;
    border: none;
    border-bottom: 3px solid transparent;
    padding: 0.75rem 1rem;
    transition: all 0.3s ease;
}

.store-history-section .nav-link:hover {
    color: var(--color-primary);
    background-color: rgba(139, 115, 85, 0.05);
}

.store-history-section .nav-link.active {
    color: var(--color-primary);
    background-color: transparent;
    border-bottom: 3px solid var(--color-primary);
}

.store-image-container {
    padding: 1.5rem;
    background: white;
    border-radius: var(--border-radius);
    box-shadow: 0 2px 10px var(--color-shadow);
}

.store-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 15px var(--color-shadow);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .store-history-section .nav-link {
        font-size: 0.85rem;
        padding: 0.5rem 0.5rem;
    }
}

/* -----------------------------------------------------------------------------
   Menu Statistics Section - 横棒グラフ
   ----------------------------------------------------------------------------- */
.menu-stats-section {
    background: var(--color-bg-section);
}

.menu-chart-container {
    max-height: 400px;
    overflow-y: auto;
    padding: 0.5rem;
    margin-top: 1.5rem;
}

.menu-chart-item {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.menu-chart-label {
    min-width: 120px;
    max-width: 120px;
    font-weight: 500;
    color: var(--color-text);
    font-size: 0.95rem;
    text-align: right;
    padding-right: 0.75rem;
    flex-shrink: 0;
}

.menu-chart-bar-wrapper {
    flex: 1;
    position: relative;
    height: 32px;
    background: var(--color-bg-section);
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.menu-chart-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-right: 0.75rem;
    padding-left: 0.75rem;
    transition: all 0.3s ease;
    position: relative;
    min-width: 60px;
}

.menu-chart-bar:hover {
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-primary));
    box-shadow: 0 2px 8px var(--color-shadow);
}

.menu-chart-value {
    font-weight: 700;
    color: white;
    font-size: 0.9rem;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
    white-space: nowrap;
}

/* スクロールバーのスタイリング */
.menu-chart-container::-webkit-scrollbar {
    width: 6px;
}

.menu-chart-container::-webkit-scrollbar-track {
    background: var(--color-bg-section);
    border-radius: 3px;
}

.menu-chart-container::-webkit-scrollbar-thumb {
    background: var(--color-primary-light);
    border-radius: 3px;
}

.menu-chart-container::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .menu-chart-container {
        max-height: 350px;
        padding: 0.25rem;
    }
    
    .menu-chart-item {
        margin-bottom: 0.75rem;
        gap: 0.75rem;
    }
    
    .menu-chart-label {
        min-width: 100px;
        max-width: 100px;
        font-size: 0.85rem;
        padding-right: 0.5rem;
    }
    
    .menu-chart-bar-wrapper {
        height: 28px;
    }
    
    .menu-chart-bar {
        min-width: 50px;
        padding-right: 0.5rem;
        padding-left: 0.5rem;
    }
    
    .menu-chart-value {
        font-size: 0.8rem;
    }
}

@media (max-width: 576px) {
    .menu-chart-container {
        max-height: 300px;
    }
    
    .menu-chart-label {
        min-width: 80px;
        max-width: 80px;
        font-size: 0.8rem;
    }
    
    .menu-chart-bar-wrapper {
        height: 26px;
    }
    
    .menu-chart-value {
        font-size: 0.75rem;
    }
}

/* -----------------------------------------------------------------------------
   Comments Timeline
   ----------------------------------------------------------------------------- */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(to bottom, 
        var(--color-accent-soft), 
        var(--color-primary-light), 
        var(--color-accent-soft));
    transform: translateX(-50%);
    border-radius: 3px;
}

.timeline-item {
    position: relative;
    width: 50%;
    padding: 1rem 2rem;
    animation: fadeIn 0.6s ease;
}

.timeline-left {
    left: 0;
    padding-right: 3rem;
}

.timeline-right {
    left: 50%;
    padding-left: 3rem;
}

.timeline-marker {
    position: absolute;
    top: 1.5rem;
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px var(--color-shadow);
}

.timeline-left .timeline-marker {
    right: -20px;
}

.timeline-right .timeline-marker {
    left: -20px;
}

.timeline-content {
    position: relative;
}

.timeline-left .timeline-content::after {
    content: '';
    position: absolute;
    top: 1.5rem;
    right: -10px;
    border: 10px solid transparent;
    border-left-color: var(--color-bg-card);
}

.timeline-right .timeline-content::after {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: -10px;
    border: 10px solid transparent;
    border-right-color: var(--color-bg-card);
}

.comment-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
    flex-wrap: wrap;
    gap: 0.5rem;
}

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

.comment-author i {
    margin-right: 0.5rem;
}

.comment-date {
    font-size: 0.875rem;
    color: var(--color-text-muted);
}

.comment-date i {
    margin-right: 0.25rem;
}

.comment-body p {
    margin: 0;
    line-height: 1.9;
    white-space: pre-wrap;
}

.comment-photo {
    margin-top: 1rem;
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    max-width: 100%;
}

.comment-photo img {
    width: 100%;
    max-width: 400px;
    height: auto;
    display: block;
    transition: transform 0.3s ease;
}

.comment-photo:hover img {
    transform: scale(1.05);
}

.comment-photo .photo-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(139, 115, 85, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
    cursor: pointer;
}

.comment-photo .photo-overlay i {
    font-size: 2rem;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.comment-photo:hover .photo-overlay {
    background: rgba(139, 115, 85, 0.6);
}

.comment-photo:hover .photo-overlay i {
    opacity: 1;
    transform: scale(1);
}

/* レスポンシブ: タイムラインをシングルカラムに */
@media (max-width: 768px) {
    .timeline::before {
        left: 20px;
    }
    
    .timeline-item {
        width: 100%;
        padding-left: 60px;
        padding-right: 1rem;
    }
    
    .timeline-left,
    .timeline-right {
        left: 0;
        padding-left: 60px;
        padding-right: 1rem;
    }
    
    .timeline-left .timeline-marker,
    .timeline-right .timeline-marker {
        left: 0;
        right: auto;
    }
    
    .timeline-left .timeline-content::after,
    .timeline-right .timeline-content::after {
        left: -10px;
        right: auto;
        border-right-color: var(--color-bg-card);
        border-left-color: transparent;
    }
}

/* -----------------------------------------------------------------------------
   Gallery Section
   ----------------------------------------------------------------------------- */
.gallery-section {
    background: var(--color-bg-section);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    aspect-ratio: 4 / 3;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: 0 4px 20px var(--color-shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.gallery-item:hover img {
    transform: scale(1.1);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(139, 115, 85, 0);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s ease;
}

.gallery-overlay i {
    font-size: 2.5rem;
    color: white;
    opacity: 0;
    transform: scale(0.5);
    transition: all 0.3s ease;
}

.gallery-item:hover .gallery-overlay {
    background: rgba(139, 115, 85, 0.6);
}

.gallery-item:hover .gallery-overlay i {
    opacity: 1;
    transform: scale(1);
}

/* -----------------------------------------------------------------------------
   Empty State
   ----------------------------------------------------------------------------- */
.empty-state {
    padding: 3rem 2rem;
}

.empty-icon {
    font-size: 4rem;
    color: var(--color-accent-soft);
    margin-bottom: 1rem;
}

/* -----------------------------------------------------------------------------
   Footer
   ----------------------------------------------------------------------------- */
.footer {
    background: var(--color-primary);
    color: white;
    padding: 3rem 0;
    text-align: center;
}

.footer-content {
    max-width: 600px;
    margin: 0 auto;
}

.footer-text {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.footer-text i {
    color: var(--color-accent);
    margin: 0 0.5rem;
}

.footer-meta {
    font-size: 0.875rem;
    opacity: 0.8;
}

.footer-github {
    margin-top: 1rem;
}

.github-link {
    color: white;
    text-decoration: none;
    font-size: 0.9rem;
    opacity: 0.9;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.github-link:hover {
    opacity: 1;
    color: var(--color-accent);
    transform: translateY(-2px);
}

.github-link i {
    font-size: 1.2rem;
}

/* -----------------------------------------------------------------------------
   Animations
   ----------------------------------------------------------------------------- */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* -----------------------------------------------------------------------------
   Utility Classes
   ----------------------------------------------------------------------------- */
.text-primary {
    color: var(--color-primary) !important;
}

.bg-primary {
    background-color: var(--color-primary) !important;
}

/* -----------------------------------------------------------------------------
   Responsive Adjustments
   ----------------------------------------------------------------------------- */
@media (max-width: 576px) {
    :root {
        --spacing-section: 50px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .card-memorial {
        padding: 1.5rem;
    }
}

/* ========================================
   投稿ボタン（SNSスタイル）
======================================== */

/* 大きなCTAボタン */
.btn-submit-memory {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 20px rgba(255, 107, 107, 0.4);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-submit-memory:hover {
    background: linear-gradient(135deg, #FF8E53, #FF6B6B);
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(255, 107, 107, 0.6);
    color: white;
}

.btn-submit-memory i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* 写真投稿ボタン */
.btn-submit-photo {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: linear-gradient(135deg, #4ECDC4, #44A08D);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1.1rem;
    box-shadow: 0 4px 20px rgba(78, 205, 196, 0.4);
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-submit-photo:hover {
    background: linear-gradient(135deg, #44A08D, #4ECDC4);
    transform: translateY(-3px);
    box-shadow: 0 6px 30px rgba(78, 205, 196, 0.6);
    color: white;
}

.btn-submit-photo i {
    margin-right: 0.5rem;
    font-size: 1.2rem;
}

/* フローティングアクションボタン（FAB）コンテナ */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

/* フローティングアクションボタン（FAB） */
.floating-submit-btn {
    width: 60px;
    height: 60px;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    animation: pulse-float 2s ease-in-out infinite;
}

.floating-comment-btn {
    background: linear-gradient(135deg, #FF6B6B, #FF8E53);
}

.floating-comment-btn:hover {
    background: linear-gradient(135deg, #FF8E53, #FF6B6B);
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(255, 107, 107, 0.7);
    color: white;
    animation: none;
}

.floating-photo-btn {
    background: linear-gradient(135deg, #4ECDC4, #44A08D);
}

.floating-photo-btn:hover {
    background: linear-gradient(135deg, #44A08D, #4ECDC4);
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(78, 205, 196, 0.7);
    color: white;
    animation: none;
}

/* パルスアニメーション */
@keyframes pulse-float {
    0%, 100% {
        transform: translateY(0);
        box-shadow: 0 4px 20px rgba(255, 107, 107, 0.5);
    }
    50% {
        transform: translateY(-5px);
        box-shadow: 0 8px 25px rgba(255, 107, 107, 0.6);
    }
}

/* レスポンシブ対応 */
@media (max-width: 768px) {
    .floating-buttons {
        bottom: 20px;
        right: 20px;
        gap: 12px;
    }
    
    .floating-submit-btn {
        width: 55px;
        height: 55px;
        font-size: 1.3rem;
    }
    
    .btn-submit-memory,
    .btn-submit-photo {
        padding: 0.8rem 1.5rem;
        font-size: 0.95rem;
    }
    
    .hero-cta {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    
    .hero-cta .me-2 {
        margin-right: 0 !important;
    }
}