/*
Theme Name: Re:OAK Terrace Column
Theme URI: https://re-oak-terrace.com
Description: Re:OAK Terraceのコラムページ専用テーマ。メインサイトのstyle.cssを読み込みデザインを完全統一。
Author: Re:OAK Terrace
Version: 1.0
Text Domain: reoak-column
*/

/* ============================================= 
   ※ ヘッダー・フッターのスタイルは
   メインサイトの /assets/css/style.css から読み込まれます。
   このファイルにはコラム固有のスタイルのみ記述します。
   ============================================= */

/* ============================================= 
   Page Header (Column ページ上部)
   ============================================= */
.page-header {
    margin-top: 72px;
    padding: 80px 24px 60px;
    text-align: center;
    background: var(--color-bg-secondary, #F5F3EF);
}

.page-header__label {
    font-family: var(--font-display, 'Cormorant Garamond', serif);
    font-size: 12px;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-accent-gold, #C9A962);
    margin-bottom: 12px;
}

.page-header__title {
    font-family: var(--font-display, 'Cormorant Garamond', serif);
    font-size: 42px;
    font-weight: 300;
    letter-spacing: 0.1em;
    color: var(--color-text-main, #2C2C2C);
    margin-bottom: 16px;
}

.page-header__line {
    width: 40px;
    height: 0;
    border-top: 3px double var(--color-text-main, #2C2C2C);
    margin: 0 auto;
    opacity: 0.3;
}

/* ============================================= 
   Article List (記事一覧)
   ============================================= */
.articles-container {
    max-width: var(--container-width, 1100px);
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.article-card {
    background: var(--color-bg-primary, #FAFAFA);
    border: 1px solid var(--color-border, rgba(44, 44, 44, 0.1));
    border-radius: 4px;
    overflow: hidden;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.4s;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.article-card a {
    text-decoration: none;
    color: inherit;
}

.article-card__thumbnail {
    aspect-ratio: 16/10;
    overflow: hidden;
    background: var(--color-bg-tertiary, #ECEAE4);
}

.article-card__thumbnail img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.article-card:hover .article-card__thumbnail img {
    transform: scale(1.05);
}

.article-card__content {
    padding: 24px;
}

.article-card__meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.article-card__date {
    font-family: var(--font-english, 'Inter', sans-serif);
    font-size: 12px;
    color: var(--color-text-muted, #9B9B9B);
    letter-spacing: 0.05em;
}

.article-card__category {
    font-size: 11px;
    color: var(--color-accent-gold, #C9A962);
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid rgba(201, 169, 98, 0.25);
    padding: 2px 10px;
    border-radius: 2px;
    letter-spacing: 0.05em;
}

.article-card__title {
    font-size: 16px;
    font-weight: 500;
    line-height: 1.7;
    color: var(--color-text-main, #2C2C2C);
    margin-bottom: 8px;
}

.article-card__excerpt {
    font-size: 13px;
    color: var(--color-text-sub, #6B6B6B);
    line-height: 1.8;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

/* ============================================= 
   Single Article (記事詳細)
   ============================================= */
.single-article {
    max-width: 760px;
    margin: 0 auto;
    padding: 60px 24px 100px;
}

.single-article__meta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 24px;
}

.single-article__date {
    font-family: var(--font-english, 'Inter', sans-serif);
    font-size: 13px;
    color: var(--color-text-muted, #9B9B9B);
    letter-spacing: 0.05em;
}

.single-article__category {
    font-size: 11px;
    color: var(--color-accent-gold, #C9A962);
    background: rgba(201, 169, 98, 0.1);
    border: 1px solid rgba(201, 169, 98, 0.25);
    padding: 3px 12px;
    border-radius: 2px;
}

.single-article__title {
    font-family: var(--font-mincho, 'Noto Serif JP', serif);
    font-size: 28px;
    font-weight: 400;
    line-height: 1.7;
    letter-spacing: 0.05em;
    margin-bottom: 40px;
    padding-bottom: 32px;
    border-bottom: 1px solid var(--color-border, rgba(44, 44, 44, 0.1));
}

.single-article__thumbnail {
    margin-bottom: 40px;
    border-radius: 4px;
    overflow: hidden;
}

.single-article__thumbnail img {
    width: 100%;
    height: auto;
}

.single-article__content {
    font-size: 15px;
    line-height: 2.2;
    color: var(--color-text-main, #2C2C2C);
}

.single-article__content h2 {
    font-family: var(--font-mincho, 'Noto Serif JP', serif);
    font-size: 22px;
    font-weight: 400;
    letter-spacing: 0.05em;
    margin: 48px 0 20px;
    padding-bottom: 12px;
    border-bottom: 1px solid var(--color-border, rgba(44, 44, 44, 0.1));
}

.single-article__content h3 {
    font-size: 18px;
    font-weight: 500;
    margin: 36px 0 16px;
}

.single-article__content p {
    margin-bottom: 24px;
}

.single-article__content img {
    border-radius: 4px;
    margin: 24px 0;
}

.single-article__content blockquote {
    border-left: 3px solid var(--color-accent-gold, #C9A962);
    padding: 16px 24px;
    margin: 24px 0;
    background: var(--color-bg-secondary, #F5F3EF);
    font-style: italic;
    color: var(--color-text-sub, #6B6B6B);
}

.single-article__content ul,
.single-article__content ol {
    margin: 16px 0 24px 24px;
}

.single-article__content li {
    margin-bottom: 8px;
}

/* Back Link */
.back-to-list {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-english, 'Inter', sans-serif);
    font-size: 13px;
    letter-spacing: 0.1em;
    color: var(--color-text-sub, #6B6B6B);
    margin-top: 60px;
    padding-top: 32px;
    border-top: 1px solid var(--color-border, rgba(44, 44, 44, 0.1));
    transition: color 0.3s;
}

.back-to-list:hover {
    color: var(--color-accent-gold, #C9A962);
}

/* ============================================= 
   Pagination (ページネーション)
   ============================================= */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 60px;
}

.pagination a,
.pagination span {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    font-family: var(--font-english, 'Inter', sans-serif);
    font-size: 14px;
    border: 1px solid var(--color-border, rgba(44, 44, 44, 0.1));
    border-radius: 4px;
    color: var(--color-text-sub, #6B6B6B);
    transition: all 0.3s;
}

.pagination a:hover {
    background: var(--color-bg-tertiary, #ECEAE4);
    color: var(--color-text-main, #2C2C2C);
}

.pagination .current {
    background: var(--color-text-main, #2C2C2C);
    color: #FFFFFF;
    border-color: var(--color-text-main, #2C2C2C);
}

/* ============================================= 
   No Posts (記事なし)
   ============================================= */
.no-posts {
    text-align: center;
    padding: 80px 24px;
    color: var(--color-text-muted, #9B9B9B);
}

.no-posts__message {
    font-size: 16px;
    margin-bottom: 16px;
}

.no-posts__sub {
    font-family: var(--font-display, 'Cormorant Garamond', serif);
    font-size: 14px;
    letter-spacing: 0.15em;
}

/* ============================================= 
   WordPress Core
   ============================================= */
.wp-block-image {
    margin: 24px 0;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.alignleft {
    float: left;
    margin-right: 24px;
}

.alignright {
    float: right;
    margin-left: 24px;
}

.wp-caption {
    max-width: 100%;
}

.wp-caption-text {
    font-size: 12px;
    color: var(--color-text-muted, #9B9B9B);
    text-align: center;
    margin-top: 8px;
}

/* ============================================= 
   Responsive
   ============================================= */
@media screen and (max-width: 1024px) {
    .articles-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
}

@media screen and (max-width: 768px) {
    .page-header {
        padding: 60px 20px 40px;
    }

    .page-header__title {
        font-size: 32px;
    }

    .articles-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .single-article__title {
        font-size: 22px;
    }
}