/* ============================================================
   Column (オウンドメディア) 専用スタイル
   style.css の後に読み込む前提。既存トークン(--primary-green等)を再利用
   ============================================================ */

/* ---------- 一覧ページ ---------- */
.column-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.column-card {
    display: flex;
    flex-direction: column;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.column-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

.column-card-thumb {
    aspect-ratio: 16 / 10;
    background: #eef5f0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 14px;
}

.column-card-thumb img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

.column-card-body {
    padding: 20px 22px 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
}

.column-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--text-light);
}

.column-chip {
    display: inline-block;
    padding: 3px 12px;
    border-radius: 999px;
    background: rgba(82, 184, 112, 0.12);
    color: #2e7d4a;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    white-space: nowrap;
}

.column-card-title {
    font-size: 1.12rem;
    font-weight: 700;
    line-height: 1.55;
    color: var(--text-color);
}

.column-card-excerpt {
    font-size: 0.9rem;
    line-height: 1.75;
    color: var(--text-secondary);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.column-card-more {
    margin-top: auto;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--primary-green);
}

/* ---------- 記事ページ ---------- */
.article-hero {
    padding: 7.5rem 0 1rem;
}

.article-container {
    max-width: 780px;
    margin: 0 auto;
    padding: 0 24px;
}

.breadcrumbs {
    font-size: 0.8rem;
    color: var(--text-light);
    margin-bottom: 1.6rem;
}

.breadcrumbs a {
    color: var(--text-light);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: var(--primary-green);
}

.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.85rem;
    color: var(--text-light);
    margin-bottom: 1.1rem;
}

.article-title {
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.5;
    color: var(--text-color);
    margin-bottom: 1.2rem;
}

.article-section {
    padding: 1rem 0 3rem;
}

.article-body {
    font-size: 1.02rem;
    line-height: 2.0;
    color: var(--text-color);
}

.article-body p {
    margin-bottom: 1.7em;
}

.article-body h2 {
    font-size: 1.32rem;
    font-weight: 700;
    line-height: 1.6;
    margin: 3.2rem 0 1.3rem;
    padding-left: 14px;
    border-left: 4px solid var(--primary-green);
}

.article-fig {
    margin: 2.4rem 0;
}

.article-fig img {
    width: 100%;
    height: auto;
    display: block;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: #ffffff;
}

.article-fig figcaption {
    margin-top: 10px;
    font-size: 0.82rem;
    line-height: 1.7;
    color: var(--text-light);
    text-align: center;
}

/* 参考資料 */
.article-refs {
    margin-top: 3.5rem;
    padding: 1.6rem 1.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.article-refs h3 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.article-refs ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.article-refs li {
    font-size: 0.82rem;
    line-height: 1.9;
    color: var(--text-secondary);
}

.article-refs a {
    color: var(--text-secondary);
    text-decoration: underline;
    text-decoration-color: rgba(0, 0, 0, 0.2);
    word-break: break-all;
}

.article-refs a:hover {
    color: var(--primary-green);
}

/* 執筆者 */
.article-author {
    display: flex;
    align-items: center;
    gap: 18px;
    margin-top: 2.5rem;
    padding: 1.4rem 1.6rem;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 12px;
}

.article-author img {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    object-fit: cover;
    flex-shrink: 0;
}

.article-author-label {
    font-size: 0.75rem;
    color: var(--text-light);
    margin-bottom: 2px;
}

.article-author-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-color);
    margin-bottom: 4px;
}

.article-author-bio {
    font-size: 0.83rem;
    line-height: 1.7;
    color: var(--text-secondary);
}

/* 記事下CTA */
.article-cta {
    margin-top: 2.5rem;
    padding: 2.4rem 2rem;
    background: linear-gradient(135deg, rgba(82, 184, 112, 0.08), rgba(82, 184, 112, 0.16));
    border: 1px solid rgba(82, 184, 112, 0.3);
    border-radius: 16px;
    text-align: center;
}

.article-cta-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.6rem;
    color: var(--text-color);
}

.article-cta-text {
    font-size: 0.92rem;
    line-height: 1.9;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.article-cta-btns {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
}

.article-cta-sub {
    font-size: 0.92rem;
    font-weight: 700;
    color: var(--text-color);
    text-decoration: none;
    padding: 1.05rem 2rem;
    border: 1.5px solid var(--text-color);
    transition: all 0.3s ease;
}

.article-cta-sub:hover {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

/* 関連記事 */
.article-related {
    margin-top: 3.5rem;
}

.article-related h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    color: var(--text-color);
}

/* ---------- レスポンシブ ---------- */
@media (max-width: 768px) {
    .article-hero {
        padding: 6.5rem 0 0.5rem;
    }

    .article-title {
        font-size: 1.45rem;
    }

    .article-body {
        font-size: 0.98rem;
        line-height: 1.95;
    }

    .article-body h2 {
        font-size: 1.15rem;
        margin: 2.6rem 0 1.1rem;
    }

    .article-author {
        align-items: flex-start;
    }

    .article-cta-btns {
        flex-direction: column;
    }

    .article-cta-btns .btn-glow,
    .article-cta-sub {
        width: 100%;
        box-sizing: border-box;
    }
}