/* ==========================================================================
   Comic - Kindleセールページ
   ========================================================================== */

.comic-sale {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}
.comic-sale h1 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 2px solid #1f2937;
}

.sale-filters {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
}
.sale-filter-btn {
    padding: 8px 20px;
    border-radius: 6px;
    font-size: 0.9rem;
    text-decoration: none;
    border: 1px solid #d1d5db;
    color: #374151;
    background: #fff;
}
.sale-filter-btn.active {
    background: #1f2937;
    color: #fff;
    border-color: #1f2937;
}
.sale-filter-btn:hover {
    background: #f3f4f6;
    color: #111827;
}
.sale-filter-btn.active:hover {
    background: #374151;
    color: #fff;
}

.sale-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}
.sale-card {
    background: #fff;
    border: 1px solid #e5e7eb;
    border-radius: 8px;
    overflow: hidden;
    transition: box-shadow .2s;
}
.sale-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,.1);
}
.sale-card img {
    width: 100%;
    aspect-ratio: 3/4;
    object-fit: contain;
    background: #f9fafb;
    padding: 8px;
}
.sale-card-body {
    padding: 12px;
}
.sale-card-title {
    font-size: 0.82rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 6px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sale-card-title a {
    color: #111827;
    text-decoration: none;
}
.sale-card-title a:hover {
    color: #f97316;
}
.sale-card-price {
    font-size: 1rem;
    font-weight: 700;
    color: #dc2626;
}
.sale-card-point {
    font-size: 0.78rem;
    color: #059669;
}
.sale-free-badge {
    display: inline-block;
    background: #dc2626;
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: 4px;
    margin-bottom: 6px;
}
.sale-count {
    font-size: 0.85rem;
    color: #6b7280;
    margin-bottom: 12px;
}

@media (max-width: 640px) {
    .sale-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
}