.seo-page { background: #f4f7f6; }
.seo-page .site-header { position: sticky; top: 0; z-index: 10; }
.seo-page .site-header nav { display: flex; align-items: center; gap: 24px; }
.seo-main { min-height: 80vh; }
.seo-page .article-detail { padding-top: 28px; }
.seo-page .article-header h1 { max-width: 900px; margin: 18px 0 24px; color: #142c24; font-size: clamp(32px, 4vw, 48px); line-height: 1.28; }
.seo-page .article-section h2, .seo-page .related-cases h2, .seo-page .article-trial h2 { margin: 0 0 18px; font-size: 26px; line-height: 1.35; }
.seo-page .article-highlights h3 { margin: 0 0 8px; font-size: 18px; }
.seo-page .article-back { text-decoration: none; }
.text-join-link { margin-top: 18px; color: #d5eee5; font-weight: 700; }
.related-cases { width: min(980px, calc(100% - 48px)); margin: 0 auto; padding: 42px 0 60px; }
.related-cases > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; }
.related-cases a { display: grid; gap: 8px; padding: 20px; color: #142c24; background: #fff; border: 1px solid #dfe8e3; border-radius: 6px; text-decoration: none; }
.related-cases a:hover { border-color: #18a77b; transform: translateY(-1px); }
.related-cases span { color: #168563; font-size: 12px; font-weight: 800; }
.related-cases strong { font-size: 17px; line-height: 1.45; }
.related-cases small { color: #657c73; line-height: 1.65; }
.topic-main { width: min(1180px, calc(100% - 48px)); min-height: 80vh; margin: 0 auto; padding: 54px 0 80px; }
.topic-hero { padding: 42px; color: #fff; background: #173a32; border-radius: 8px; }
.topic-hero h1 { margin: 8px 0 16px; font-size: clamp(36px, 5vw, 58px); line-height: 1.15; }
.topic-hero p { max-width: 720px; color: #d5e4df; font-size: 17px; line-height: 1.8; }
.topic-hero strong { display: inline-block; margin-top: 18px; color: #6de0b4; }
.topic-list { margin-top: 24px; background: #fff; border: 1px solid #dfe8e3; border-radius: 8px; }
.topic-list article { display: grid; grid-template-columns: 1fr auto; gap: 24px; align-items: center; padding: 26px 30px; border-bottom: 1px solid #e7eeea; }
.topic-list article:last-child { border-bottom: 0; }
.topic-list span { color: #74877f; font-size: 12px; }
.topic-list h2 { margin: 6px 0 8px; font-size: 21px; line-height: 1.4; }
.topic-list h2 a { color: #142c24; text-decoration: none; }
.topic-list p { margin: 0; color: #657c73; line-height: 1.7; }
.topic-links { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.topic-links a { padding: 10px 14px; color: #31574b; background: #e9f2ee; border-radius: 4px; text-decoration: none; }
.directory-main { width: min(1180px, calc(100% - 48px)); min-height: 80vh; margin: 0 auto; padding: 54px 0 80px; }
.directory-hero { padding: 42px; color: #fff; background: #173a32; border-radius: 8px; }
.directory-hero h1 { margin: 8px 0 16px; font-size: clamp(36px, 5vw, 58px); line-height: 1.15; }
.directory-hero p { max-width: 780px; color: #d5e4df; font-size: 17px; line-height: 1.8; }
.directory-topics { display: flex; flex-wrap: wrap; gap: 10px; padding: 24px 0; }
.directory-topics a { padding: 10px 14px; color: #31574b; background: #e9f2ee; border-radius: 4px; text-decoration: none; }
.directory-groups { display: grid; gap: 18px; }
.directory-groups > section { overflow: hidden; background: #fff; border: 1px solid #dfe8e3; border-radius: 8px; }
.directory-groups h2 { display: flex; justify-content: space-between; margin: 0; padding: 20px 24px; color: #173a32; background: #edf5f1; font-size: 22px; }
.directory-groups h2 span { color: #587269; font-size: 14px; font-weight: 600; }
.directory-groups ol { margin: 0; padding: 0; list-style: none; }
.directory-groups li { display: grid; grid-template-columns: 100px 1fr auto; gap: 18px; align-items: center; padding: 15px 24px; border-top: 1px solid #e7eeea; }
.directory-groups time, .directory-groups li > span { color: #74877f; font-size: 12px; }
.directory-groups a { color: #142c24; font-weight: 700; line-height: 1.45; text-decoration: none; }
.directory-groups a:hover { color: #168563; }
@media (max-width: 760px) {
  .seo-page .site-header nav a:not(.nav-cta) { display: none; }
  .seo-page .article-detail { padding-top: 12px; }
  .seo-page .article-header h1 { font-size: 30px; }
  .related-cases { width: calc(100% - 32px); }
  .related-cases > div { grid-template-columns: 1fr; }
  .topic-main { width: calc(100% - 24px); padding-top: 18px; }
  .topic-hero { padding: 28px 22px; }
  .topic-list article { grid-template-columns: 1fr; padding: 22px 18px; }
  .topic-list .case-open { justify-self: start; }
  .directory-main { width: calc(100% - 24px); padding-top: 18px; }
  .directory-hero { padding: 28px 22px; }
  .directory-groups li { grid-template-columns: 1fr; gap: 5px; padding: 16px 18px; }
}