/**
 * noras original theme
 * Single CSS: コラム記事
 * @author: shirako
 * @link: https://norasinc.jp
 * @license: http://www.gnu.org/licenses/gpl-2.0.html GPL v2 or later
 */

/* ===========================================
   Mobile First Base Styles
   =========================================== */

/* コラム記事ページ専用スタイル */
.un_column {
    background-color: var(--color-white);
    padding-inline: 8px;
    padding-block: 20px 80px;
}

.un_column .ly_normalSec {
    border-radius: 12px;
    background-color: var(--color-cream);
    padding-inline: 12px;
    padding-block: 20px;
}

.bl_column_content {
    max-width: 880px;
    margin-inline: auto;
}

/* サムネイル */
.un_column .bl_postThumbnail {
    margin-bottom: 24px;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    border-radius: 18px;
}

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

.un_column .bl_postHeader {
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 2px solid var(--color-cream-dark);
}

/* 目次 */
.un_column .bl_toc {
    background-color: var(--color-white);
    border-radius: 12px;
    padding: 20px 16px;
    margin-bottom: 24px;
}

.un_column .bl_toc_ttl {
    font-size: 16px;
    font-weight: var(--font-bold);
    color: var(--color-dark);
    margin-bottom: 12px;
}

.un_column .bl_toc_list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.un_column .bl_toc_item a {
    color: var(--color-dark);
    text-decoration: none;
    transition: color 0.3s;
}

.un_column .bl_toc_item a:hover {
    color: var(--color-primary);
}

.un_column .bl_toc_item--h2 a {
    font-size: 18px;
}

.un_column .bl_toc_item--h3 {
    padding-left: 1em;
}

.un_column .bl_toc_item--h3 a {
    font-size: 16px;
}

/* 投稿日とカテゴリー 横並び */
.un_column .el_postMeta {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.un_column .el_postMeta time {
    font-size: var(--font-sm);
    color: var(--color-gray);
}

.un_column .el_postCat {
    font-size: var(--font-xs);
    padding: var(--space-2xs) var(--space-xs);
    border-radius: var(--radius-xs);
    background: var(--color-primary);
    color: white;
}

/* タイトル */
.un_column .el_postTtl {
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    color: var(--color-dark);
}

/* 監修者情報 */
.un_column .bl_supervisor {
    margin-top: 40px;
}

.un_column .bl_supervisor_ttl {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 16px;
}

.un_column .bl_supervisor_ttl span {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.un_column .bl_supervisor_card {
    background-color: var(--color-cream-dark);
    border-radius: 16px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.un_column .bl_supervisor_img {
    width: 160px;
    height: 160px;
    border-radius: 12px;
    overflow: hidden;
    flex-shrink: 0;
    margin-inline: auto;
    background-color: #ccc;
}

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

.un_column .bl_supervisor_body {
    flex: 1;
}

.un_column .bl_supervisor_role {
    display: inline-block;
    font-size: var(--font-sm);
    color: var(--color-white);
    background-color: var(--color-primary);
    padding: 4px 12px;
    border-radius: 4px;
    margin-bottom: 12px;
}

.un_column .bl_supervisor_name {
    font-size: var(--font-xl);
    font-weight: var(--font-bold);
    color: var(--color-dark);
    margin-bottom: 16px;
}

.un_column .bl_supervisor_position {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
}

.un_column .bl_supervisor_position li {
    font-size: var(--font-sm);
    color: var(--color-dark);
}

.un_column .bl_supervisor_position li::before {
    content: '・';
}

.un_column .bl_supervisor_desc {
    font-size: var(--font-sm);
    color: var(--color-dark);
}

/* 一覧へ戻るボタン */
.un_column .bl_column_btnWrap {
    margin-top: 40px;
    text-align: center;
}

.un_column .bl_column_btnWrap .el_greenBtn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gradient-green);
    color: var(--color-white);
    font-weight: var(--font-bold);
    padding: 12px 32px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 2px 4px 8px 2px rgba(35, 24, 21, 0.15);
    transition: opacity 0.3s;
}

.un_column .bl_column_btnWrap .el_greenBtn:hover {
    opacity: 0.8;
}

.un_column .bl_column_btnWrap .el_greenBtn img {
    width: 24px;
    height: 24px;
}

/* 関連記事 */
.ly_relatedPosts {
    padding-block: 40px;
}

.bl_relatedPosts_ttl {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 20px;
    color: var(--color-primary);
    margin-bottom: 20px;
}

.bl_relatedPosts_ttl span {
    display: inline-block;
    width: 20px;
    height: 20px;
    background-color: var(--color-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

.bl_relatedPosts_list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.bl_relatedPosts_item {
    display: block;
    background-color: var(--color-cream-dark);
    border-radius: 16px;
    padding: 16px;
    text-decoration: none;
    transition: opacity 0.3s;
}

.bl_relatedPosts_item:hover {
    opacity: 0.8;
}

.bl_relatedPosts_img {
    aspect-ratio: 16 / 9;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 12px;
    background-color: #ccc;
}

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

.bl_relatedPosts_meta {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.bl_relatedPosts_meta time {
    font-size: var(--font-sm);
    color: var(--color-gray);
}

.bl_relatedPosts_cat {
    font-size: var(--font-xs);
    padding: 4px 10px;
    border-radius: 4px;
    background-color: var(--color-primary);
    color: var(--color-white);
}

.bl_relatedPosts_ttlItem {
    font-size: var(--font-base);
    font-weight: var(--font-bold);
    color: var(--color-dark);
}

/* ===========================================
   Tablet (768px ~)
   =========================================== */
@media screen and (min-width: 768px) {
    .un_column {
        padding-inline: 40px;
    }

    .un_column .ly_normalSec {
        padding-inline: 40px;
        padding-block: 60px;
    }

    .un_column .el_postMeta time {
        font-size: var(--font-base);
    }

    .un_column .el_postCat {
        font-size: var(--font-sm);
    }

    .un_column .el_postTtl {
        font-size: var(--font-2xl);
    }

    .un_column .bl_postThumbnail {
        border-radius: 32px;
    }

    .un_column .bl_toc {
        padding: 24px;
    }

    .un_column .bl_toc_ttl {
        font-size: 20px;
    }

    .un_column .bl_supervisor_ttl {
        font-size: 28px;
    }

    .un_column .bl_supervisor_card {
        flex-direction: row;
        align-items: stretch;
        padding: 40px;
        border-radius: 32px;
        gap: 32px;
    }

    .un_column .bl_supervisor_img {
        width: 200px;
        height: auto;
        border-radius: 16px;
        margin-inline: 0;
    }

    .un_column .bl_supervisor_name {
        font-size: var(--font-2xl);
    }

    .un_column .bl_supervisor_desc {
        font-size: var(--font-base);
    }

    .ly_relatedPosts {
        padding-block: 60px;
    }

    .bl_relatedPosts_ttl {
        font-size: 28px;
    }

    .bl_relatedPosts_list {
        flex-direction: row;
        gap: 24px;
    }

    .bl_relatedPosts_item {
        flex: 1;
        max-width: 400px;
        padding: 20px;
        border-radius: 24px;
    }

    .bl_relatedPosts_img {
        border-radius: 16px;
    }

    .un_column .bl_column_btnWrap {
        margin-top: 60px;
    }

    .un_column .bl_column_btnWrap .el_greenBtn {
        padding: 16px 48px;
        font-size: var(--font-lg);
    }
}

/* ===========================================
   Desktop (1024px ~)
   =========================================== */
@media screen and (min-width: 1024px) {
    .un_column {
        padding-block: 20px 120px;
    }

    .ly_relatedPosts {
        max-width: 1224px;
        margin-inline: auto;
        padding-block: 80px;
    }

    .un_column .ly_normalSec {
        padding-block: 80px 120px;
        max-width: 1224px;
        margin-inline: auto;
        border-radius: 48px;
    }

    .un_column .el_postTtl {
        font-size: var(--font-3xl);
    }
}