/* SEO kanji pages (scripts/build-seo.mjs). Loaded after the app CSS bundle,
   which provides the @font-face rules and base reset. */
.seo-body { margin: 0; background: #FAF9F7; color: #1a1a1a; font-family: 'DM Sans', 'Noto Sans JP', system-ui, sans-serif; line-height: 1.6; }
.seo-body a { color: #6D56E0; text-decoration: none; }
.seo-body a:hover { text-decoration: underline; }
.seo-header { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; padding: 14px 16px; border-bottom: 1px solid #EBE8E2; max-width: 1040px; margin: 0 auto; }
.seo-logo { display: inline-flex; align-items: center; gap: 8px; font-weight: 600; color: #1a1a1a !important; }
.seo-logo-mark { display: inline-flex; width: 24px; height: 24px; border-radius: 6px; align-items: center; justify-content: center; color: #fff; font-size: 12px; background: linear-gradient(135deg, #6D56E0, #9B85F5); }
.seo-nav { display: flex; gap: 12px; flex-wrap: wrap; font-size: 14px; flex: 1; }
.seo-btn { display: inline-block; padding: 12px 20px; border-radius: 10px; background: #6D56E0; color: #fff !important; font-weight: 600; }
.seo-btn:hover { background: #5C45D0; text-decoration: none !important; }
.seo-btn-small { padding: 8px 14px; font-size: 14px; }
.seo-main { max-width: 1040px; margin: 0 auto; padding: 24px 16px 48px; }
.seo-main h1 { font-size: 28px; line-height: 1.25; font-weight: 600; margin: 0 0 8px; }
.seo-main h3 { font-size: 16px; font-weight: 600; margin: 20px 0 8px; }
.seo-lede + .seo-muted, .seo-section > .seo-muted { display: block; margin: 0 0 16px; }
.seo-levels li { margin: 4px 0; }
.seo-hero { display: flex; gap: 24px; align-items: center; flex-wrap: wrap; margin-bottom: 24px; }
.seo-hero-k { font-family: 'Noto Serif JP', 'Noto Sans JP', serif; font-size: 96px; line-height: 1; padding: 16px 24px; border-radius: 16px; background: #F7F5FF; }
.seo-hero h1 { font-size: 24px; margin: 0 0 8px; }
.seo-facts { display: grid; grid-template-columns: auto 1fr; gap: 4px 16px; margin: 0; font-size: 15px; }
.seo-facts dt { color: #6B6560; }
.seo-facts dd { margin: 0; }
.seo-section { margin: 32px 0; }
.seo-section h2 { font-size: 20px; margin: 0 0 12px; }
.seo-words { list-style: none; margin: 0; padding: 0; border-top: 1px solid #EBE8E2; }
.seo-word { display: grid; grid-template-columns: minmax(64px, auto) minmax(80px, auto) 1fr auto; gap: 4px 16px; padding: 10px 0; border-bottom: 1px solid #EBE8E2; align-items: baseline; }
.seo-word-w { font-size: 18px; font-family: 'Noto Sans JP', sans-serif; }
.seo-word-r { color: #6B6560; font-family: 'Noto Sans JP', sans-serif; }
.seo-tier { font-size: 12px; color: #6B6560; }
.seo-ex { grid-column: 1 / -1; margin: 4px 0 0; font-size: 14px; color: #6B6560; }
.seo-teaser { padding: 16px 20px; border-radius: 12px; background: #F7F5FF; }
.seo-sample { margin: 8px 0 0; padding-left: 20px; }
.seo-cta { margin: 40px 0; padding: 24px 20px; border-radius: 16px; background: #F0EBFF; text-align: center; }
.seo-cta h2 { margin: 0 0 8px; font-size: 22px; }
.seo-cta p { margin: 0 0 16px; }
.seo-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 8px; }
.seo-cell { display: flex; flex-direction: column; align-items: center; padding: 10px 6px; border: 1px solid #EBE8E2; border-radius: 10px; background: #fff; color: #1a1a1a !important; min-width: 0; }
.seo-cell:hover { border-color: #9B85F5; text-decoration: none !important; }
.seo-cell-k { font-size: 28px; font-family: 'Noto Sans JP', sans-serif; line-height: 1.2; }
.seo-cell-m, .seo-cell-n { font-size: 12px; color: #6B6560; max-width: 100%; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.seo-levels { padding-left: 20px; }
.seo-muted { color: #6B6560; font-size: 14px; }
.seo-lede { font-size: 17px; }
.seo-pager { display: flex; justify-content: space-between; gap: 12px; margin-top: 32px; font-size: 15px; }
.seo-footer { border-top: 1px solid #EBE8E2; padding: 24px 16px; text-align: center; font-size: 12px; color: #6B6560; }
.seo-footer p { max-width: 720px; margin: 0 auto 8px; }
@media (max-width: 640px) {
  .seo-main h1 { font-size: 24px; }
  .seo-hero-k { font-size: 72px; }
  .seo-word { grid-template-columns: 1fr auto; }
  .seo-word-e { grid-column: 1 / -1; }
  .seo-nav { order: 3; flex-basis: 100%; }
}