/* ==========================================================
   コラム(一覧・記事)用スタイル
   ========================================================== */

.column-page {
    padding: calc(var(--header-height) + 40px) 0 80px;
    min-height: 60vh;
}

.column-page h1 {
    font-size: 2rem;
    color: var(--text-color);
    margin-bottom: 16px;
}

.column-hero {
    position: relative;
    overflow: hidden;
    margin-bottom: 34px;
    padding: 34px 36px;
    border: 1px solid #dce8ec;
    border-radius: 12px;
    background:
        linear-gradient(90deg, rgba(255,255,255,0.96), rgba(255,255,255,0.86)),
        url('/images/チームワーク.jpg') center / cover no-repeat;
    box-shadow: 0 14px 34px rgba(15, 44, 74, 0.07);
}

.column-kicker {
    margin: 0 0 10px;
    color: var(--primary-color);
    font-size: 0.82rem;
    font-weight: 700;
}

.column-lead {
    color: var(--light-text);
    max-width: 760px;
    margin-bottom: 0;
}

.column-hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 20px;
}

.column-hero-tags span {
    display: inline-flex;
    align-items: center;
    min-height: 30px;
    padding: 5px 12px;
    border: 1px solid #cfe0e5;
    border-radius: 999px;
    background: rgba(255,255,255,0.86);
    color: #0f2c4a;
    font-size: 0.84rem;
    font-weight: 700;
}

/* パンくず */
.breadcrumb {
    margin-bottom: 24px;
    font-size: 0.85rem;
}

.breadcrumb-list {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    color: var(--light-text);
}

.breadcrumb-list li:not(:last-child)::after {
    content: "›";
    margin: 0 6px;
    color: #aaa;
}

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

.breadcrumb-list a:hover {
    text-decoration: underline;
}

/* カテゴリ絞り込み */
.column-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 32px;
}

.column-filter-btn {
    border: 1px solid var(--primary-color);
    background: var(--white);
    color: var(--primary-color);
    border-radius: 999px;
    padding: 6px 18px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background 0.2s, color 0.2s;
}

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

/* 記事カード一覧 */
.column-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 24px;
    margin-bottom: 56px;
}

.column-empty {
    color: var(--light-text);
    grid-column: 1 / -1;
}

.column-card {
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s, box-shadow 0.2s;
}

.column-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}

.column-card-link {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.column-card-thumb img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 12px 12px 0 0;
}

.column-card-body {
    display: flex;
    flex-direction: column;
    flex-grow: 1;
    padding: 24px;
}

.column-card-meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
    font-size: 0.85rem;
    color: var(--light-text);
}

.column-card-category {
    background: var(--primary-color);
    color: var(--white);
    border-radius: 4px;
    padding: 2px 10px;
    font-size: 0.8rem;
}

.column-card-title {
    font-size: 1.1rem;
    color: var(--text-color);
    margin-bottom: 10px;
    line-height: 1.5;
}

.column-card-excerpt {
    font-size: 0.9rem;
    color: var(--light-text);
    flex-grow: 1;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-card-more {
    color: var(--primary-color);
    font-size: 0.9rem;
    font-weight: 600;
}

.column-card-more::after {
    content: " →";
}

/* ==========================================================
   記事ページ
   ========================================================== */

.column-article {
    max-width: 760px;
    margin: 0 auto;
    background: var(--white);
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    padding: 40px 32px;
}

.article-header {
    margin-bottom: 24px;
}

.article-header h1 {
    font-size: 1.7rem;
    line-height: 1.5;
    margin-top: 12px;
}

.article-eyecatch {
    margin: 0 0 28px;
}

.article-eyecatch img {
    display: block;
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    border-radius: 10px;
    box-shadow: 0 12px 28px rgba(15, 44, 74, 0.12);
}

.article-lead {
    font-size: 1.05rem;
    color: var(--text-color);
    background: #f0f5fb;
    border-left: 4px solid var(--primary-color);
    padding: 16px 20px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 32px;
}

.column-article h2 {
    font-size: 1.3rem;
    color: var(--text-color);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: 8px;
    margin: 40px 0 16px;
}

.column-article h3 {
    font-size: 1.1rem;
    margin: 28px 0 12px;
}

.column-article p {
    margin-bottom: 16px;
}

.column-article ul,
.column-article ol {
    margin: 0 0 16px 24px;
}

.column-article li {
    margin-bottom: 6px;
}

.column-article img {
    border-radius: 8px;
    margin: 8px 0 16px;
}

.column-article table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 16px;
    font-size: 0.95rem;
}

.column-article th,
.column-article td {
    border: 1px solid #ddd;
    padding: 10px 12px;
    text-align: left;
}

.column-article th {
    background: #f0f5fb;
}

/* 監修者 */
.article-author {
    background: #f8f9fa;
    border: 1px solid #e5e8eb;
    border-radius: 8px;
    padding: 20px 24px;
    margin: 48px 0 32px;
}

.article-author-label {
    font-size: 0.8rem;
    color: var(--light-text);
    margin-bottom: 6px;
}

.article-author-name {
    font-weight: 700;
    margin-bottom: 6px;
}

.article-author-bio {
    font-size: 0.9rem;
    color: var(--light-text);
    margin-bottom: 0;
}

/* CTA */
.column-cta {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border-radius: 12px;
    padding: 40px 32px;
    text-align: center;
}

.column-cta h2 {
    font-size: 1.3rem;
    margin-bottom: 12px;
    border-bottom: none;
    color: var(--white);
}

.column-article .column-cta h2 {
    margin-top: 0;
    padding-bottom: 0;
}

.column-cta p {
    max-width: 620px;
    margin: 0 auto 24px;
    font-size: 0.95rem;
}

.column-cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 14px;
}

.column-cta-btn {
    display: inline-block;
    border-radius: 999px;
    padding: 12px 28px;
    font-weight: 600;
    transition: opacity 0.2s, transform 0.2s;
}

.column-cta-btn:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.column-cta-btn.primary {
    background: var(--white);
    color: var(--primary-color);
}

.column-cta-btn.secondary {
    border: 2px solid var(--white);
    color: var(--white);
}

/* 関連記事・戻るリンク */
.article-related ul {
    list-style: none;
    margin-left: 0;
}

.article-related a {
    color: var(--primary-color);
}

.article-related a:hover {
    text-decoration: underline;
}

.article-back {
    margin-top: 32px;
}

.article-back a {
    color: var(--primary-color);
    font-weight: 600;
}

.article-back a:hover {
    text-decoration: underline;
}

/* モバイル */
@media (max-width: 768px) {
    .column-page h1 {
        font-size: 1.6rem;
    }

    .column-hero {
        padding: 28px 22px;
    }

    .column-article {
        padding: 28px 20px;
    }

    .article-header h1 {
        font-size: 1.4rem;
    }

    .column-cta {
        padding: 32px 20px;
    }
}