/* Blog Filters */
.blog-filters {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 40px;
}

/* Reusing filter-btn from about.css (conceptually, but defining here for isolation) */
.filter-btn {
    padding: 8px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    background-color: var(--color-white);
    transition: var(--transition-base);
    font-size: 0.9rem;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-main);
    color: var(--color-white);
    border-color: var(--color-main);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

@media (min-width: 768px) {
    .blog-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .blog-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.blog-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-base);
    transition: var(--transition-base);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.blog-card.hidden {
    display: none;
}

.blog-card.show {
    display: block;
    animation: fadeIn 0.5s ease;
}

.blog-img {
    width: 100%;
    height: 200px;
    position: relative;
}

.blog-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.blog-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    padding: 4px 12px;
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-white);
    z-index: 2;
}

.tag-notice {
    background-color: #2196F3;
}

/* 青系 */
.tag-column {
    background-color: #4CAF50;
}

/* 緑系 */
.tag-campaign {
    background-color: #FF9800;
}

/* オレンジ系 */

.blog-content {
    padding: 24px;
}

.blog-date {
    display: block;
    font-family: var(--font-number);
    color: var(--color-sub-text);
    font-size: 0.85rem;
    margin-bottom: 8px;
}

.blog-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 12px;
    line-height: 1.5;
    color: var(--color-text);
    transition: color 0.3s;
}

.blog-card:hover .blog-title {
    color: var(--color-main);
}

.blog-excerpt {
    font-size: 0.9rem;
    color: var(--color-sub-text);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    line-height: 1.6;
}

.blog-link-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 10;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 60px;
}

.page-link {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 1px solid var(--color-border);
    font-family: var(--font-number);
    color: var(--color-text);
    transition: var(--transition-base);
}

.page-link:hover,
.page-link.active {
    background-color: var(--color-main);
    color: var(--color-white);
    border-color: var(--color-main);
}

.page-dots {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-sub-text);
    padding: 0 8px;
}