/* このコラムにだけ適用する。共通の記事レイアウトと配色を引き継ぐ。 */
.shadow-ai-header { width: 100%; max-width: 720px; container-type: inline-size; }
.shadow-ai-article .article-title { font-size: clamp(18px, calc(7.2vw - 5.2px), 28px); font-size: clamp(18px, 7.2cqi, 28px); letter-spacing: .04em; line-height: 1.65; }
.shadow-ai-article .article-title .phrase { display: inline-block; white-space: nowrap; }
.shadow-ai-article .article-meta .date { color: var(--text-mute); }
.shadow-ai-byline { margin-top: 16px; font-size: 12px; line-height: 1.9; color: var(--text-mute); }
.shadow-ai-byline a { text-underline-offset: 3px; }
.shadow-ai-article .article-eyecatch { margin-top: 26px; }
.shadow-ai-article .article-eyecatch img { box-shadow: none; border: 1px solid var(--line); }
.shadow-ai-article .article-body h2 { scroll-margin-top: 125px; text-wrap: pretty; }
.shadow-ai-article .article-body .ai-rule-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; list-style: none; margin: 28px 0; padding: 0; }
.shadow-ai-article .ai-rule-grid li { margin: 0; padding: 22px; border: 1px solid var(--line); border-radius: 4px; background: #f0fafb; }
.ai-rule-grid__number { font-family: var(--serif); font-size: 21px; color: #087b8d; }
.shadow-ai-article .ai-rule-grid h3 { margin: 8px 0 0; font-size: 17px; line-height: 1.7; }
.shadow-ai-article .ai-rule-grid p { margin-top: 8px; font-size: 14px; line-height: 1.95; }
.ai-information-list { margin: 24px 0; }
.ai-information-list > div { padding: 22px 0; border-top: 1px solid var(--line); }
.ai-information-list > div:last-child { border-bottom: 1px solid var(--line); }
.ai-information-list dt { font-weight: 700; font-size: 16px; line-height: 1.8; color: #087b8d; }
.ai-information-list dd { margin: 8px 0 0; font-size: 15px; line-height: 2; color: var(--text); }
.ai-example { margin-top: 24px; padding: 24px; border-left: 2px solid #087b8d; background: #f0fafb; }
.shadow-ai-article .ai-example__label { margin-top: 0; font-size: 15px; font-weight: 700; }
.ai-example dl > div { margin-top: 18px; }
.ai-example dt { font-size: 14px; font-weight: 700; line-height: 1.8; }
.ai-example dd { margin: 4px 0 0; font-size: 14px; line-height: 1.95; }
.ai-article-faq details { border-bottom: 1px solid var(--line); padding: 20px 0; }
.ai-article-faq summary { cursor: pointer; font-size: 15px; font-weight: 700; line-height: 1.95; }
.ai-article-faq summary:focus-visible { outline: 2px solid #087b8d; outline-offset: 5px; }
.shadow-ai-article .ai-article-faq p { margin-top: 12px; }
.shadow-ai-article .article-body .ai-article-note { margin-top: 40px; font-size: 12px; color: var(--text-mute); }
@media (max-width: 600px) {
  .shadow-ai-article .article-body .ai-rule-grid { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .shadow-ai-article .ai-rule-grid li { padding: 18px 20px; }
  .shadow-ai-article .article-body h2 { font-size: 19px; letter-spacing: .035em; }
  .ai-example { padding: 20px; }
}