/* コラムアーカイブページ専用スタイル */
.column-archive {
    min-height: calc(100vh - 160px);
}

.column-archive .container {
    max-width: 1200px;
    margin: 0 auto;
}

.column-archive-content {
    max-width: 980px;
    margin: 0 auto;
}

.page-title-section {
    margin-bottom: 60px;
}

/* カテゴリフィルター */
.column-archive .category-filter {
    margin-bottom: 30px;
    background: #fff;
    padding: 20px;
    border-radius: 12px;
    border: 1px solid #C9D7E5;
}

.column-archive .filter-label {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    font-weight: 600;
    color: #495057;
}

.column-archive .filter-icon {
    color: #0093D5;
    margin-right: 8px;
    font-size: 0.8rem;
}

.column-archive .filter-text {
    font-size: 0.95rem;
}

.column-archive .filter-tabs {
    display: flex;
    justify-content: flex-start;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 3rem;

}

.column-archive .filter-tab {
    padding: 10px 20px;
    background: #E2E2E2;
    border: none;
    border-radius: 25px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: none;
    white-space: nowrap;
}

.column-archive .filter-tab:hover {
    background: #ced4da;
    color: #495057;
}

.column-archive .filter-tab.active {
    background: #0093D5;
    color: white;
    transform: none;
}

/* コラムグリッド */
.column-archive .column-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.column-archive .column-card {
    background: white;
    border: 1px solid #C9D7E5;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    padding: 0;
}

.column-archive .column-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.column-archive .column-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    margin: 15px 15px 0 15px;
    border-radius: 8px;
}

.column-archive .column-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    border-radius: 8px;
}

/* ノーイメージ用のスタイル */
.column-archive .column-image.no-image {
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    display: flex;
    align-items: center;
    justify-content: center;
}

.column-archive .column-image.no-image img {
    opacity: 0.7;
    filter: grayscale(20%);
}

.column-archive .column-card:hover .column-image img {
    transform: scale(1.05);
}

.column-archive .column-category-tag {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    text-shadow: none;
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    background: #E2E2E2;
}

/* .column-archive .column-category-tag.jobseeker {
    background: #E2E2E2;
}

.column-archive .column-category-tag.advisor {
    background: #E2E2E2;
} */

.column-archive .column-date {
    position: absolute;
    top: 10px;
    right: 10px;
    padding: 6px 10px;
    background: rgba(0,0,0,0.8);
    color: white;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.column-archive .column-content {
    padding: 15px 15px 25px 15px;
}

.column-archive .column-title {
    font-size: 15px;
    font-weight: 600;
    color: #2E2E2E;
    margin: 0 0 12px 0;
    line-height: 1.4;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-archive .column-excerpt {
    font-size: 0.9rem;
    color: #666;
    line-height: 1.5;
    margin: 0 0 16px 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-archive .column-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #999;
}

.column-archive .post-date {
    font-weight: 500;
}

.column-archive .advisor-name {
    font-style: italic;
    color: #4ecdc4;
    font-weight: 500;
}

/* ページネーション */
.column-archive .pagination-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 40px;
    padding: 20px 0;
    gap: 10px;
}

.column-archive .pagination-wrapper .page-numbers {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 10px;
    border-radius: 4px;
    color: #2E2E2E;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    background: #fff;
    border: 1px solid #7195b5;
}

.column-archive .pagination-wrapper .page-numbers:hover,
.column-archive .pagination-wrapper .page-numbers.current {
    background: #7195B5;
    color: white;
    border-color: #7195B5;
}
.column-archive .pagination-wrapper .prev,
.column-archive .pagination-wrapper .next {
    font-size: 18px;
    font-weight: bold;
    border: none;
    background: none;
    color: #7195b5;
}

/* 投稿なしの状態 */
.column-archive .no-posts {
    text-align: center;
    padding: 80px 20px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    margin: 40px 0;
}

.column-archive .no-posts-content i {
    font-size: 4rem;
    color: #dee2e6;
    margin-bottom: 20px;
}

.column-archive .no-posts-content h3 {
    font-size: 1.5rem;
    color: #495057;
    margin: 0 0 15px 0;
}

.column-archive .no-posts-content p {
    color: #6c757d;
    margin: 0 0 30px 0;
    line-height: 1.6;
}

.column-archive .btn-home {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.column-archive .btn-home:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* おすすめセクション */
.column-archive .recommended-section {
    margin-top: 60px;
    padding: 50px;
    background: white;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}

.column-archive .section-title {
    text-align: center;
    font-size: 2rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 40px 0;
    padding-bottom: 15px;
    border-bottom: 3px solid #667eea;
    position: relative;
}

.column-archive .section-title::after {
    content: '';
    position: absolute;
    bottom: -3px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: #764ba2;
}

.column-archive .recommended-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.column-archive .recommended-item {
    text-align: center;
    padding: 30px 20px;
    background: #f8f9fa;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.column-archive .recommended-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.column-archive .recommended-icon {
    font-size: 3rem;
    color: #667eea;
    margin-bottom: 20px;
}

.column-archive .recommended-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #2c3e50;
    margin: 0 0 15px 0;
}

.column-archive .recommended-item p {
    color: #6c757d;
    line-height: 1.6;
    margin: 0 0 25px 0;
}

.column-archive .btn-recommended {
    display: inline-block;
    padding: 10px 20px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-decoration: none;
    border-radius: 6px;
    font-weight: 500;
    transition: all 0.3s ease;
}

.column-archive .btn-recommended:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

/* レスポンシブ対応 */
@media (max-width: 1280px) {
    .column-archive .column-archive-content{
        width: 90%;
        max-width: 980px;
    }
    .column-archive .subpage-header {
        width: 100%;
        margin: 0;
    }
}
/* タブレット横（1024px以下） */
@media (max-width: 1024px) {
    .column-archive .column-grid {
        gap: 25px;
    }
}

/* タブレット（960px以下） */
@media (max-width: 960px) {
    .column-archive {
        padding: 30px 0;
    }
    
    .page-title-section {
        margin-bottom: 40px;
    }
    
    .column-archive .page-title-wrapper {
        padding: 40px 30px;
    }
    
    .column-archive .title-en {
        font-size: 1rem;
    }
    
    .column-archive .title-jp {
        font-size: 2rem;
    }
    
    .column-archive .category-filter {
        padding: 15px;
        margin-bottom: 25px;
    }
    
    .column-archive .filter-label {
        font-size: 0.9rem;
        margin-bottom: 12px;
    }
    
    .column-archive .filter-tabs {
        gap: 6px;
    }
    
    .column-archive .filter-tab {
        padding: 8px 16px;
        font-size: 0.85rem;
    }
    
    .column-archive .column-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
        margin-bottom: 40px;
    }
    
    .column-archive .column-image {
        height: 160px;
        margin: 12px 12px 0 12px;
    }
    
    .column-archive .column-content {
        padding: 12px 20px 20px 20px;
    }
    
    .column-archive .column-title {
        font-size: 1rem;
        margin-bottom: 10px;
    }
    
    .column-archive .column-excerpt {
        font-size: 0.85rem;
        margin-bottom: 12px;
    }
    
    .column-archive .column-meta {
        font-size: 0.8rem;
    }
    
    /* ページネーション（タブレット） */
    .column-archive .pagination-wrapper {
        margin-top: 30px;
    }
    
    .column-archive .pagination-wrapper .page-numbers {
        padding: 8px 12px;
        font-size: 0.9rem;
        margin: 0 3px;
    }
    .column-archive .pagination-wrapper{
        padding: 30px 0 10px;
    }
}

/* スマートフォン横（768px以下） */
@media (max-width: 768px) {
    .column-archive .column-archive-content{
        width: auto;
        max-width: unset;
        margin: 0 20px;
    }
    .column-archive .column-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .column-archive .column-card {
        max-width: 100%;
    }
    
    .column-archive .column-image {
        height: 200px;
    }
    .column-archive .pagination-wrapper{
        padding: 50px 0 60px;
    }
}

/* スマートフォン（480px以下） */
@media (max-width: 480px) {
    .page-title-section {
        margin-bottom: 30px;
    }
    
    .column-archive .page-title-wrapper {
        padding: 30px 20px;
    }
    
    .column-archive .title-en {
        font-size: 0.9rem;
    }
    
    .column-archive .title-jp {
        font-size: 1.8rem;
    }
    
    .column-archive .category-filter {
        padding: 12px;
        margin-bottom: 20px;
    }
    
    .column-archive .filter-label {
        font-size: 0.85rem;
        margin-bottom: 10px;
    }
    
    .column-archive .filter-tabs {
        flex-direction: column;
        gap: 10px;
        align-items: stretch;
    }
    
    .column-archive .filter-tab {
        width: 100%;
        max-width: none;
        padding: 15px 20px;
        font-size: 0.9rem;
        text-align: center;
    }
    
    .column-archive .column-grid {
        gap: 15px;
        margin-bottom: 30px;
    }
    
    .column-archive .column-image {
        height: 180px;
        margin: 10px 10px 0 10px;
    }
    
    .column-archive .column-content {
        padding: 10px 15px 15px 15px;
    }
    
    .column-archive .column-category-tag {
        font-size: 10px;
        padding: 4px 8px;
        margin-bottom: 6px;
    }
    
    .column-archive .column-title {
        font-size: 0.95rem;
        line-height: 1.3;
        margin-bottom: 8px;
    }
    
    .column-archive .column-excerpt {
        font-size: 0.8rem;
        line-height: 1.4;
        margin-bottom: 10px;
    }
    
    .column-archive .column-meta {
        font-size: 0.75rem;
    }
    
    .column-archive .post-date {
        font-size: 0.75rem;
    }
    
    .column-archive .advisor-name {
        font-size: 0.75rem;
    }
    
    /* ページネーション（スマートフォン） */
    .column-archive .pagination-wrapper {
        margin-top: 25px;
        text-align: center;
    }
    
    .column-archive .pagination-wrapper .page-numbers {
        padding: 10px 8px;
        font-size: 0.85rem;
        margin: 0 2px;
        min-width: 36px;
    }
    
    .column-archive .pagination-wrapper .prev,
    .column-archive .pagination-wrapper .next {
        font-size: 0.8rem;
        padding: 10px 8px;
    }
    .column-archive .pagination-wrapper{
        padding: 10px 0 20px;
    }
}

/* 極小画面（360px以下） */
@media (max-width: 360px) {
    .column-archive .container {
        padding: 0 8px;
    }
    
    .column-archive .page-title-wrapper {
        padding: 25px 15px;
    }
    
    .column-archive .title-jp {
        font-size: 1.6rem;
    }
    
    .column-archive .category-filter {
        padding: 10px;
    }
    
    .column-archive .column-image {
        height: 160px;
        margin: 8px 8px 0 8px;
    }
    
    .column-archive .column-content {
        padding: 8px 12px 12px 12px;
    }
    
    /* ページネーション（極小画面） */
    .column-archive .pagination-wrapper .page-numbers {
        padding: 8px 6px;
        font-size: 0.8rem;
        margin: 0 1px;
        min-width: 32px;
    }
    
    .column-archive .pagination-wrapper .prev,
    .column-archive .pagination-wrapper .next {
        font-size: 0.75rem;
        padding: 8px 6px;
    }
}

/* アニメーション効果 */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.column-archive .column-card {
    animation: fadeInUp 0.6s ease-out;
}

.column-archive .column-card:nth-child(even) {
    animation-delay: 0.1s;
}

.column-archive .column-card:nth-child(3n) {
    animation-delay: 0.2s;
}