.hero {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-light) 100%);
    text-align: center;
    padding: 4rem 2rem;
    margin-bottom: 3rem;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: padding 0.3s ease;
}

.hero.compact {
    padding: 2rem 1rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.2;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero.compact .hero-title {
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.hero-subtitle {
    font-size: 1.2rem;
    color: var(--text-light);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero.compact .hero-subtitle {
    font-size: 1rem;
    margin-bottom: 1.5rem;
}

.search-container {
    max-width: 600px;
    margin: 0 auto;
}

.search-form {
    display: flex;
    gap: 0.5rem;
    background: var(--bg);
    padding: 0.5rem;
    border-radius: calc(var(--radius) + 0.25rem);
    box-shadow: var(--shadow-subtle);
}

.search-input-wrapper {
    flex: 1;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 1.1rem;
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: 1rem 1rem 1rem 3rem;
    border: none;
    border-radius: var(--radius);
    background: var(--bg-card);
    color: var(--text);
    font-size: 1rem;
    transition: all 0.3s ease;
    outline: none;
}

.search-input:focus {
    box-shadow: 0 0 0 2px var(--primary);
    transform: scale(1.01);
}

.search-btn {
    padding: 1rem 2rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border: none;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.search-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.search-btn:active {
    transform: translateY(0);
}

.search-results-section {
    margin-bottom: 3rem;
}

.search-results-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--border-light);
}

.results-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin: 0;
}

.results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.manga-item {
    display: flex;
    flex-direction: column;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.manga-item:hover {
    transform: translateY(-4px);
    border-color: var(--primary);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.manga-item:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

.manga-header {
    margin-bottom: 1.5rem;
}

.manga-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text);
    margin: 0 0 0.5rem 0;
    line-height: 1.3;
}

.manga-author {
    color: var(--text-light);
    font-size: 1rem;
    margin: 0 0 1rem 0;
    font-weight: 400;
}

.format-info-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.format-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text);
}

.format-count-badge {
    display: inline-block;
    background: linear-gradient(135deg, #6B7B8A, #7B8B9A);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.format-count-display {
    display: inline-block;
    background: linear-gradient(135deg, #7BA592, #8AB5A0);
    color: white;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.format-options {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2rem;
}

.format-button {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.25rem;
    background: var(--bg-light);
    color: var(--text);
    border: 2px solid var(--border);
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
}

.format-button.primary {
    background: linear-gradient(135deg, #4A5C6A, #5A6C7A);
    color: white;
    border-color: #4A5C6A;
}

.format-button.tanwa {
    background: linear-gradient(135deg, #F4E6D7, #F0DCC9);
    color: #8B6914;
    border-color: #E8D5C4;
}

.format-button:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.format-button.primary:hover {
    background: linear-gradient(135deg, #3A4C5A, #4A5C6A);
}

.format-button.tanwa:hover {
    background: linear-gradient(135deg, #F0DCC9, #ECD2BB);
    border-color: #DCC5B0;
}

.format-button.magazine {
    background: linear-gradient(135deg, #FFF9E6, #F5F0D6);
    color: #B8860B;
    border-color: #E6D700;
}

.format-button.magazine:hover {
    background: linear-gradient(135deg, #F5F0D6, #F0EBCC);
    border-color: #DCC700;
}

.format-button.gaiden:hover {
    background: linear-gradient(135deg, #F0EBCC, #ECD2BB);
    border-color: #DCC5B0;
}

.format-button.spinoff-hanashi {
    background: linear-gradient(135deg, #E8D5F2, #D5C2E8);
    color: #663399;
    border-color: #C5A3E0;
}

.format-button.spinoff-hanashi:hover {
    background: linear-gradient(135deg, #D5C2E8, #C2AFD5);
    border-color: #B396D3;
}

.format-button.gaiden-hanashi {
    background: linear-gradient(135deg, #F0E6FF, #E6CCFF);
    color: #6B46C1;
    border-color: #D1C4E9;
}

.format-button.gaiden-hanashi:hover {
    background: linear-gradient(135deg, #E6CCFF, #DDB3FF);
    border-color: #C5B3E6;
}

.format-icon {
    font-size: 1rem;
}

.manga-action {
    background: linear-gradient(135deg, #7BA592, #8AB5A0);
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    text-decoration: none;
    transition: all 0.3s ease;
    width: 100%;
    display: block;
    margin-top: auto;
    box-shadow: 0 2px 8px rgba(123, 165, 146, 0.3);
}

.manga-action:hover {
    background: linear-gradient(135deg, #6A9481, #79A48F);
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(123, 165, 146, 0.4);
    color: white;
    text-decoration: none;
}

.manga-action:active {
    transform: translateY(0);
}

/* 価格情報を削除し、フォーマット選択を重視 */
.manga-price {
    display: none;
}

.manga-meta {
    display: none;
}

.manga-info {
    width: 100%;
}

.no-results {
    text-align: center;
    padding: 4rem 2rem;
    background: var(--bg-card);
    border-radius: var(--radius);
    color: var(--text-light);
}

.no-results-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}

.no-results h2 {
    font-size: 1.5rem;
    color: var(--text);
    margin-bottom: 1rem;
}

.no-results p {
    font-size: 1rem;
    margin: 0.5rem 0;
}

.features {
    padding: 4rem 0;
    background: var(--bg-card);
    border-radius: var(--radius);
    box-shadow: var(--shadow-subtle);
}

.features-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 3rem;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    text-align: center;
    padding: 2rem 1.5rem;
    background: var(--bg);
    border-radius: var(--radius);
    border: 2px solid var(--border-light);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-4px);
    border-color: var(--accent);
    box-shadow: var(--shadow);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
    margin: 0;
}

.results-count {
    color: var(--text-light);
    font-size: 0.875rem;
    margin: 0;
}

@media (max-width: 768px) {
    .hero {
        padding: 2rem 1rem;
    }
    
    .hero.compact {
        padding: 1.5rem 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero.compact .hero-title {
        font-size: 1.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero.compact .hero-subtitle {
        font-size: 0.875rem;
    }
    
    .search-form {
        flex-direction: column;
        gap: 1rem;
    }
    
    .search-btn {
        border-radius: var(--radius);
        padding: 0.875rem 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .manga-item {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .manga-action {
        align-self: flex-end;
        margin-top: 1rem;
    }
    
    .manga-price {
        text-align: left;
        min-width: auto;
        margin: 0.5rem 0;
        align-items: flex-start;
    }
    
    .price-preview {
        align-items: flex-start;
    }
    
    .search-results-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }
    
    .manga-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
    
    .format-info {
        width: 100%;
        justify-content: space-between;
    }
}

@media (max-width: 480px) {
    .manga-item {
        padding: 1rem;
    }
    
    .manga-title {
        font-size: 1.1rem;
    }
    
    .format-count-badge {
        font-size: 0.7rem;
        padding: 0.2rem 0.6rem;
    }
    
    .format-selection-link {
        font-size: 0.75rem;
        padding: 0.2rem 0.4rem;
    }
}

/* パンくずリスト */
.breadcrumb {
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.breadcrumb-list {
    display: flex;
    align-items: center;
    list-style: none;
    padding: 0;
    margin: 0;
}

.breadcrumb-item {
    display: flex;
    align-items: center;
}

.breadcrumb-item:not(:last-child)::after {
    content: ">";
    margin: 0 0.5rem;
    color: var(--text-muted);
}

.breadcrumb-item a {
    color: var(--text-light);
    text-decoration: none;
    transition: color 0.3s ease;
}

.breadcrumb-item a:hover {
    color: var(--primary);
}

.breadcrumb-item.active {
    color: var(--text-muted);
}

/* 検索ヒント */
.search-hints {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.search-hint-label {
    font-size: 0.875rem;
    color: var(--text-muted);
    font-weight: 500;
}

.search-hint-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--bg-light);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.search-hint-tag:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}

/* 検索候補ドロップダウン */
.search-input-wrapper {
    position: relative;
}

.search-suggestions-dropdown {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    max-height: 300px;
    overflow-y: auto;
    display: none;
    margin-top: 4px;
}

.search-suggestion-item {
    padding: 0.75rem 1rem;
    cursor: pointer;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
}

.search-suggestion-item:last-child {
    border-bottom: none;
}

.search-suggestion-item:hover {
    background: var(--bg-light);
}

.suggestion-title {
    display: block;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 0.25rem;
}

.suggestion-author {
    display: block;
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* 検索フォーカススタイル */
.search-input-wrapper.search-focused .search-input {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(107, 138, 155, 0.1);
}

/* アニメーション効果 */
.fade-in-prepare {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* ページロード時のアニメーション */
.page-loaded .hero {
    animation: slideInFromTop 0.8s ease-out;
}

.page-loaded .search-container {
    animation: fadeInUp 1s ease-out 0.3s both;
}

.page-loaded .features {
    animation: fadeInUp 1s ease-out 0.6s both;
}

@keyframes slideInFromTop {
    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);
    }
}

/* タッチデバイス対応 */
.touch-hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* キーボードナビゲーション */
.using-keyboard *:focus {
    outline: 2px solid var(--primary);
    outline-offset: 2px;
}

/* スクロール時のヘッダー効果 */
.header.scrolled {
    background: rgba(247, 246, 244, 0.95);
    backdrop-filter: blur(10px);
}

[data-theme="dark"] .header.scrolled {
    background: rgba(51, 51, 51, 0.95);
}

/* 人気マンガランキング */
.popular-manga {
    margin-bottom: 3rem;
    padding: 2rem 0;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-subtle);
}

.section-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 2rem;
    text-align: center;
    justify-content: center;
}

.section-icon {
    font-size: 1.25rem;
}

.popular-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem;
}

.popular-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
}

.popular-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.rank-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.875rem;
    box-shadow: var(--shadow);
}

.popular-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin: 1rem 0 0.5rem 0;
}

.popular-author {
    font-size: 0.875rem;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.popular-link {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    transition: all 0.3s ease;
}

.popular-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

/* 最新セール情報 */
.sale-info {
    margin-bottom: 3rem;
    padding: 2rem 0;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-subtle);
}

.sale-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    padding: 0 2rem;
}

.sale-item {
    padding: 1.5rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.sale-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.sale-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--danger), #d4958a);
    color: white;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    box-shadow: var(--shadow);
}

.sale-store {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.sale-description {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.sale-period {
    display: inline-block;
    background: var(--bg-light);
    color: var(--text-muted);
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* 使い方ガイド */
.how-to-use {
    margin-bottom: 3rem;
    padding: 2rem 0;
    background: var(--bg-card);
    border-radius: 16px;
    box-shadow: var(--shadow-subtle);
}

.steps-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    padding: 0 2rem;
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg);
    border-radius: 12px;
    border: 1px solid var(--border-light);
    transition: all 0.3s ease;
}

.step-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    border-color: var(--primary);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.125rem;
    flex-shrink: 0;
    box-shadow: var(--shadow);
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 0.5rem;
}

.step-description {
    color: var(--text-light);
    line-height: 1.5;
    font-size: 0.875rem;
}

/* 検索サジェスト */
.search-suggestions {
    margin-top: 2rem;
    text-align: center;
}

.suggestion-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text);
    margin-bottom: 1rem;
}

.suggestion-tags {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.suggestion-tag {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--bg-light);
    color: var(--text-light);
    text-decoration: none;
    border-radius: 20px;
    font-size: 0.875rem;
    border: 1px solid var(--border);
    transition: all 0.3s ease;
}

.suggestion-tag:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-2px);
}