.single-post .c-article__title { font-size: clamp(1.8rem, 3vw, 2.4rem); line-height: 1.3; }
.single-post .c-article__meta { display:flex; gap:.75rem; color:#666; font-size:.9rem; }
.single-post .c-article__thumb img { width:100%; height:auto; border-radius:10px; display:block; }
.single-post .c-article__content p { line-height:1.9; margin:1.2em 0; }
.single-post .c-article__content img { max-width:100%; height:auto; border-radius:8px; }
.post-nav { display:flex; justify-content:space-between; margin:3rem 0; }
/* MVのタイトルを改行ルールだけ揃える（他ページに合わせて微調整） */
.single-post .mv_title .m_h2 { margin: 0; }
.single-post .mv_background img { width: 100%; height: auto; display: block; }

/* 本文ブロックの左右余白・最大幅は他ページの .contents_wrapper/.contents_eria で統一される想定 */
/* もし行長が長い場合は本文だけ少し狭める */
.single-post .c-article__content { max-width: 72ch; margin: 0 auto; }

/* メタ・アイキャッチ・ナビの整え */
.single-post .post_meta { color: #aaa; font-size: .9rem; margin: 24px 0 16px; display: flex; gap: 12px; flex-wrap: wrap; }
.single-post .post_thumb { margin: 12px 0 24px; }
.single-post .post_nav { display:flex; justify-content:space-between; gap: 16px; margin: 40px 0 8px; }
.single-post .post_nav a { text-decoration: none; }