/* src/layouts/BlogLayout.astro・AffiButton.astro から移植 */
  .blog-article { max-width: 720px; margin: 0 auto; padding-bottom: 24px; }
  .blog-article__meta { display: flex; flex-wrap: wrap; gap: 8px 16px; color: var(--muted); font-size: 13px; }
  .blog-article__body iframe { max-width: 100%; border: 0; }
  .affi-button { margin: 20px 0; text-align: center; }
  .affi-button__copy { margin: 0 0 8px; font-size: 14px; font-weight: 700; color: var(--text-2); line-height: 1.6; }
  .affi-button__link { min-height: 52px; max-width: 420px; margin: 0 auto; font-size: 16px; }