/* DIYガイド（記事ページ）。ヘッダー・フッターは assets/hub-chrome.css */
.guide-page {
  --ink: #262624; --muted: #6B6A66; --rule: #E3E2DE; --paper: #FAFAFA; --tint: #F1F0EC;
  margin: 0; background: var(--paper); color: var(--ink);
  font-family: "Zen Kaku Gothic New", "Hiragino Sans", "Noto Sans JP", sans-serif;
  -webkit-font-smoothing: antialiased;
}
.article { max-width: 720px; margin: 0 auto; padding: 32px 20px 72px; }
.breadcrumb { display: flex; gap: 8px; font-size: 12px; color: var(--muted); letter-spacing: .04em; }
.breadcrumb a { color: var(--muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--ink); text-decoration: underline; }
.article h1 { margin: 20px 0 8px; font-weight: 700; font-size: clamp(24px, 4.4vw, 32px); line-height: 1.45; letter-spacing: .03em; }
.article-date { margin: 0 0 32px; font-size: 13px; color: var(--muted); }
.article-lead { margin: 0 0 32px; font-size: 15px; line-height: 2; color: var(--muted); }
.article-body { font-size: 16px; line-height: 2; letter-spacing: .03em; }
.article-body > p:first-child { font-size: 17px; }
.article-body h2 { margin: 56px 0 16px; padding-top: 24px; border-top: 1px solid var(--rule); font-size: 22px; line-height: 1.5; letter-spacing: .03em; }
.article-body h3 { margin: 32px 0 8px; font-size: 18px; line-height: 1.6; }
.article-body p { margin: 0 0 16px; }
.article-body ul, .article-body ol { margin: 0 0 20px; padding-left: 1.4em; }
.article-body li { margin-bottom: 8px; }
.article-body ol > li::marker { font-weight: 700; }
.article-body a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.article-body a:hover { text-decoration-thickness: 2px; }
.article-body strong { font-weight: 700; background: linear-gradient(transparent 62%, #F3E3C0 62%); }
.article-body table { width: 100%; margin: 8px 0 12px; border-collapse: collapse; font-size: 14px; line-height: 1.7; display: block; overflow-x: auto; }
.article-body th, .article-body td { padding: 10px 12px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; }
.article-body th { font-weight: 700; background: var(--tint); white-space: nowrap; }
.article-body td:nth-child(2) { white-space: nowrap; }
.article-body .note { font-size: 13px; line-height: 1.8; color: var(--muted); }
.article-body img { display: block; width: 100%; height: auto; margin: 24px 0 8px; border: 1px solid var(--rule); border-radius: 8px; }
.guide-cta { margin: 24px 0 8px; }
.guide-cta a { display: inline-flex; gap: 10px; align-items: center; padding: 14px 24px; border-radius: 999px; background: var(--ink); color: #FAFAFA; text-decoration: none; font-weight: 700; font-size: 15px; letter-spacing: .06em; }
.guide-cta a:hover { opacity: .88; text-decoration: none; }
.guide-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--rule); }
.guide-list li { border-bottom: 1px solid var(--rule); }
.guide-list a { display: grid; gap: 6px; padding: 20px 0; color: var(--ink); text-decoration: none; }
.guide-list a:hover .guide-list-title { text-decoration: underline; }
.guide-list-title { font-size: 18px; font-weight: 700; line-height: 1.6; }
.guide-list-desc { font-size: 14px; line-height: 1.8; color: var(--muted); }
.guide-list time { font-size: 12px; color: var(--muted); }
@media (max-width: 600px) {
  .article { padding: 24px 16px 56px; }
  .article-body { font-size: 15px; }
  .article-body h2 { font-size: 20px; margin-top: 44px; }
}
.article-body ol > li > strong:first-child { display: block; background: none; }
.article-body td:first-child { white-space: nowrap; }