:root { color-scheme: light; --ink: #1c1917; --muted: #57534e; --green: #15803d; --line: #e7e5e4; }
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 110px; }
body { margin: 0; background: #fafaf9; color: var(--ink); font-family: Inter, sans-serif; }
a { color: var(--green); text-underline-offset: 4px; }
a:hover { color: #166534; }
a:focus-visible, summary:focus-visible { outline: 3px solid #15803d; outline-offset: 5px; border-radius: 3px; }
.skip-link { position: fixed; top: -80px; left: 16px; background: white; padding: 12px; z-index: 100; }
.skip-link:focus { top: 12px; }
.site-header { background: white; border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 10; }
.site-nav { max-width: 1200px; margin: auto; padding: 0 32px; min-height: 80px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { display: inline-flex; gap: 12px; align-items: center; text-decoration: none; color: var(--ink); font: 700 27px Merriweather, Georgia, serif; letter-spacing: -1px; }
.brand span { color: var(--green); }
.brand svg { width: 42px; height: 42px; padding: 8px; border-radius: 12px; background: #f0fdf4; color: var(--green); }
.back-link { display: inline-flex; align-items: center; gap: 8px; color: var(--muted); font-size: 13px; font-weight: 600; text-decoration: none; }
.back-link svg { width: 18px; height: 18px; flex-shrink: 0; }
main { max-width: 1016px; margin: auto; padding: 56px 28px 72px; }
.article-kicker { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; font-size: 12px; margin-bottom: 22px; color: var(--muted); }
.article-kicker a { background: #f0fdf4; color: #166534; border: 1px solid #dcfce7; border-radius: 6px; padding: 6px 10px; text-decoration: none; font-weight: 700; letter-spacing: 1px; }
h1 { font: 700 clamp(31px, 4.3vw, 49px)/1.3 Merriweather, Georgia, serif; letter-spacing: -1.1px; margin: 0 0 24px; max-width: 900px; text-wrap: balance; }
.article-meta { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 24px; color: var(--muted); font-size: 13px; margin-bottom: 32px; }
.article-meta > * { display: inline-flex; align-items: center; gap: 7px; }
.article-meta svg { width: 16px; height: 16px; color: var(--green); }
.article-meta a { color: var(--muted); text-decoration: none; }
.article-hero { margin: 0 0 38px; }
.article-hero img { display: block; width: 100%; height: auto; border-radius: 16px; }
.article-body { max-width: 720px; margin: auto; }
.article-body p { font-size: 18px; line-height: 1.9; margin: 0 0 25px; }
.article-body .lead { font-size: 20px; line-height: 1.8; border-left: 3px solid var(--green); padding-left: 24px; margin-bottom: 32px; color: #44403c; }
.contents { border: 1px solid var(--line); border-radius: 12px; background: white; padding: 20px 24px; margin: 0 0 40px; }
.contents summary { cursor: pointer; color: var(--ink); font-weight: 600; font-size: 14px; }
.contents ol { padding-left: 23px; margin: 16px 0 0; display: grid; gap: 11px; font-size: 14px; line-height: 1.6; }
.contents a { text-decoration: none; }
h2 { font: 700 26px/1.5 Merriweather, Georgia, serif; letter-spacing: -.4px; margin: 44px 0 20px; text-wrap: balance; }
.article-end { border-top: 1px solid var(--line); padding-top: 28px; margin-top: 40px; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 18px; font-size: 14px; }
.article-end a { font-weight: 600; }
.circle-contact { background: #f0fdf4; border: 1px solid #bbf7d0; border-radius: 12px; padding: 24px; margin-top: 36px; overflow-wrap: anywhere; }
.circle-contact h2 { margin-top: 0; font-size: 23px; }
.circle-contact p { font-size: 16px; line-height: 1.7; margin-bottom: 18px; }
.circle-contact-links { display: flex; flex-wrap: wrap; gap: 12px; font-size: 14px; font-weight: 600; }
.circle-contact-links a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 11px 16px; background: white; border: 1px solid #86efac; border-radius: 8px; line-height: 1.5; text-align: center; text-decoration: none; }
.circle-contact-links a:hover { background: #dcfce7; border-color: var(--green); }
.circle-contact .circle-source { margin: 20px 0 0; font-size: 12px; color: var(--muted); }
.site-footer { background: #1c1917; color: #d6d3d1; padding: 32px 28px; font-size: 12px; line-height: 1.8; }
.footer-inner { max-width: 960px; margin: auto; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 16px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 12px 22px; }
.site-footer a { color: #d6d3d1; text-decoration: none; }
.site-footer a:hover { color: white; text-decoration: underline; }
@media (max-width: 600px) {
  html { scroll-padding-top: 90px; }
  .site-nav { padding: 0 20px; min-height: 70px; gap: 12px; }
  .brand { font-size: 21px; gap: 7px; }
  .brand svg { width: 35px; height: 35px; padding: 7px; }
  .back-link { font-size: 12px; }
  .back-link .desktop-label { display: none; }
  main { padding: 34px 20px 48px; }
  h1 { letter-spacing: -.7px; font-size: 31px; line-height: 1.35; margin-bottom: 22px; }
  .article-kicker { font-size: 11px; margin-bottom: 18px; }
  .article-meta { gap: 12px 16px; font-size: 12px; margin-bottom: 26px; }
  .article-hero { margin-bottom: 28px; }
  .article-hero img { border-radius: 10px; }
  .article-body p { font-size: 17px; line-height: 1.85; margin-bottom: 23px; }
  .article-body .lead { font-size: 18px; padding-left: 17px; }
  h2 { font-size: 23px; margin-top: 36px; }
  .contents { padding: 18px 20px; }
  .circle-contact-links { flex-direction: column; align-items: stretch; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
@media print { .site-header, .site-footer, .contents, .article-end, .skip-link { display: none; } main { padding: 0; } .article-body { max-width: none; } }