/* テーマ選択メニューページ用CSS */

.theme-card {
    display: block;
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    text-decoration: none;
}

.theme-card:hover {
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    transform: translateY(-4px);
}

.theme-preview {
    height: 12rem;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.theme-preview::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 0%, rgba(255, 255, 255, 0.1) 100%);
}

.theme-icon {
    font-size: 4rem;
    line-height: 1;
    transition: transform 0.3s ease;
}

.theme-card:hover .theme-icon {
    transform: scale(1.1);
}

.theme-content {
    padding: 1.5rem;
}

.theme-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #111827;
    margin-bottom: 0.5rem;
}

.theme-description {
    font-size: 0.875rem;
    color: #6b7280;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.theme-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.theme-tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* レスポンシブ調整 */
@media (max-width: 640px) {
    .theme-preview {
        height: 10rem;
    }

    .theme-icon {
        font-size: 3rem;
    }

    .theme-content {
        padding: 1.25rem;
    }

    .theme-title {
        font-size: 1.125rem;
    }
}