/* 記事ページ */
.article-page .container { max-width: 800px; }
.article { padding: 96px 0 64px; }
.breadcrumb { font-size: 12px; color: rgba(24,7,7,0.55); margin-bottom: 24px; }
.breadcrumb span { margin: 0 8px; }
.article-label { display: inline-block; font-size: 12px; letter-spacing: 0.08em; color: #FF3702; border: 1px solid #FF3702; border-radius: 999px; padding: 2px 12px; margin: 0 0 16px; line-height: 1.8; }
.article h1 { font-size: clamp(24px, 3vw, 32px); line-height: 1.6; letter-spacing: 0.03em; margin: 0 0 12px; }
.article-meta { font-size: 13px; color: rgba(24,7,7,0.55); margin: 0 0 32px; }
.article .lead { font-size: 16px; line-height: 2.1; }
.article .notice { font-size: 13px; color: rgba(24,7,7,0.6); background: #fff; border-radius: 8px; padding: 12px 16px; line-height: 1.9; }
.article h2 { font-size: 21px; letter-spacing: 0.03em; margin: 56px 0 16px; padding-left: 20px; position: relative; line-height: 1.6; }
.article h2::before { content: ''; position: absolute; left: 0; top: 0.55em; width: 10px; height: 10px; border-radius: 50%; background: #FF3702; }
.article p { font-size: 15px; line-height: 2.1; }
.spec { border-collapse: collapse; width: 100%; font-size: 14px; background: #fff; border-radius: 12px; overflow: hidden; }
.spec th, .spec td { padding: 12px 16px; text-align: left; vertical-align: top; border-bottom: 1px solid rgba(24,7,7,0.08); line-height: 1.9; }
.spec th { width: 32%; font-weight: 500; color: rgba(24,7,7,0.6); white-space: nowrap; }
.spec tr:last-child th, .spec tr:last-child td { border-bottom: none; }
.points { padding-left: 0; list-style: none; counter-reset: pt; margin: 8px 0; }
.points li { counter-increment: pt; position: relative; padding: 14px 0 14px 44px; font-size: 15px; line-height: 2; border-bottom: 1px solid rgba(24,7,7,0.12); }
.points li::before { content: counter(pt); position: absolute; left: 0; top: 16px; width: 28px; height: 28px; border-radius: 50%; background: #FF3702; color: #fff; font-weight: 700; font-size: 14px; display: flex; align-items: center; justify-content: center; line-height: 1; }
.usecases { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; margin: 16px 0 20px; }
.usecases div { background: #fff; border-radius: 12px; padding: 18px 20px; }
.usecases h3 { margin: 0 0 4px; font-size: 15px; }
.usecases p { margin: 0; font-size: 14px; line-height: 1.9; color: rgba(24,7,7,0.75); }
.timeline { list-style: none; padding: 0; margin: 12px 0; }
.timeline li { position: relative; padding: 10px 0 10px 28px; font-size: 15px; line-height: 2; }
.timeline li::before { content: ''; position: absolute; left: 6px; top: 0; bottom: 0; width: 2px; background: rgba(24,7,7,0.15); }
.timeline li::after { content: ''; position: absolute; left: 2px; top: 22px; width: 10px; height: 10px; border-radius: 50%; background: #FF3702; }
.timeline li span { display: inline-block; min-width: 9em; font-weight: 700; }
.article .faq-list { margin-top: 8px; }
.cta { background: #fff; border-radius: 16px; padding: 32px 32px 36px; margin-top: 56px; }
.cta h2 { margin-top: 0; }
.cta-button { display: inline-block; background: #FF3702; color: #fff; padding: 12px 32px; border-radius: 999px; font-weight: 500; margin-top: 8px; transition: opacity 0.2s; }
.cta-button:hover { opacity: 0.85; }
.article .article-list { margin-top: 24px; }
.article .article-list li { border-top: 1px solid rgba(24,7,7,0.12); border-bottom: none; }
.article .article-list li:last-child { border-bottom: 1px solid rgba(24,7,7,0.12); }
.article .article-list a { display: block; padding: 20px 0; }
.article .article-list-label { display: block; font-size: 12px; color: #FF3702; letter-spacing: 0.06em; line-height: 1.8; }
.article .article-list-date { color: rgba(24,7,7,0.45); margin-left: 12px; }
.article .article-list-title { display: block; font-size: 17px; font-weight: 700; line-height: 1.7; margin: 2px 0 4px; }
.article .article-list a:hover .article-list-title { color: #FF3702; }
.article .article-list-desc { display: block; font-size: 14px; color: rgba(24,7,7,0.7); line-height: 1.9; }
.sources { font-size: 12px; color: rgba(24,7,7,0.5); margin-top: 40px; }
@media (max-width: 768px) {
  .article { padding: 80px 0 48px; }
  .pc { display: none; }
  .usecases { grid-template-columns: 1fr; }
  .spec th { white-space: normal; width: 36%; }
  .cta { padding: 24px 20px 28px; }
}