:root {
  color-scheme: dark;
  font-family: Manrope, Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #edf4f0;
  background: #0b1315;
  --muted: #a3b2ac;
  --line: rgba(201, 222, 215, .13);
  --mint: #83e6bd;
  --panel: #111d1f;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; background: radial-gradient(ellipse at 12% 0, rgba(56, 108, 91, .15), transparent 38rem), #0b1315; }
a { color: var(--mint); text-underline-offset: 4px; }
a:hover { color: #b0f2d3; }
code { color: #a9f0cd; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .92em; }
.skip-link { position: absolute; top: -100px; left: 12px; z-index: 4; padding: 10px 14px; border-radius: 8px; background: var(--mint); color: #0b1315; }
.skip-link:focus { top: 12px; }
.site-header { min-height: 76px; width: min(1180px, calc(100% - 48px)); margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 20px; border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 10px; color: #c2d0ca; font-size: 10px; font-weight: 800; letter-spacing: .15em; text-decoration: none; }
.brand img { border-radius: 9px; object-fit: cover; }
.site-header nav { display: flex; align-items: center; gap: 20px; font-size: 12px; }
.site-header nav a { color: #d6e1dc; text-decoration: none; }
.site-header nav a:hover { color: var(--mint); }
.site-header nav .contact-link { color: var(--mint); }
.page-wrap { width: min(1050px, calc(100% - 48px)); margin: 0 auto; padding: 22px 0 70px; }
.breadcrumbs { display: flex; align-items: center; gap: 9px; margin-bottom: 26px; color: #8b9b95; font-size: 11px; }
.breadcrumbs a { color: #b5c4bd; }
.article-header { max-width: 800px; padding: 12px 0 30px; }
.eyebrow { margin: 0 0 14px; color: var(--mint); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 10px; letter-spacing: .15em; }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 790px; margin-bottom: 18px; color: #f3f7f5; font-size: clamp(38px, 6vw, 64px); line-height: 1.04; letter-spacing: -.055em; }
.article-lead { max-width: 760px; margin-bottom: 18px; color: #c1d0c8; font-size: clamp(17px, 2.4vw, 20px); line-height: 1.7; }
.byline { margin: 0; color: #82938c; font-size: 11px; }
.notice, .summary-card { padding: 23px 25px; border: 1px solid rgba(131, 230, 189, .19); border-radius: 14px; background: linear-gradient(130deg, rgba(131, 230, 189, .075), rgba(17, 29, 31, .88)); }
.notice { margin: 4px 0 18px; }
.notice-label { margin: 0 0 9px; color: var(--mint); font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; letter-spacing: .14em; }
.notice h2, .summary-card > strong { margin-bottom: 10px; color: #eaf4ef; font-size: 18px; }
.notice p, .summary-card p { margin-bottom: 10px; color: #b5c4bd; font-size: 13px; line-height: 1.8; }
.notice p:last-child, .summary-card p:last-child { margin-bottom: 0; }
.source-links { display: flex; flex-wrap: wrap; gap: 16px; }
.source-links a { font-size: 11px; font-weight: 700; }
.summary-card { margin-bottom: 42px; padding: 20px 22px; }
.summary-card > strong { display: block; }
.summary-card p { margin: 0; }
.article-layout { display: grid; grid-template-columns: 205px minmax(0, 1fr); align-items: start; gap: clamp(32px, 6vw, 72px); }
.contents { position: sticky; top: 20px; display: grid; gap: 12px; padding: 18px 16px; border: 1px solid var(--line); border-radius: 11px; background: rgba(17, 29, 31, .75); }
.contents strong { margin-bottom: 2px; color: #e1ece6; font-size: 12px; }
.contents a { color: #9eafa7; font-size: 11px; line-height: 1.45; text-decoration: none; }
.contents a:hover { color: var(--mint); }
.article-body { min-width: 0; }
.article-body section { margin-bottom: 42px; scroll-margin-top: 24px; }
.article-body h2 { margin-bottom: 14px; color: #eaf2ee; font-size: clamp(23px, 3vw, 30px); line-height: 1.25; letter-spacing: -.035em; }
.article-body h3 { margin: 24px 0 8px; color: #e4eee8; font-size: 16px; }
.article-body p, .article-body li { color: #aebdb6; font-size: 14px; line-height: 1.85; }
.article-body p { margin-bottom: 14px; }
.steps, .safety-list { display: grid; gap: 13px; margin: 18px 0 0; padding-left: 22px; }
.steps li, .safety-list li { padding-left: 5px; }
.steps strong, .safety-list strong { color: #dce9e2; }
.faq-section h3 { margin-top: 22px; }
.faq-section p { margin-bottom: 12px; }
.closing-cta { display: flex; align-items: center; justify-content: space-between; gap: 26px; margin-top: 6px; padding: 27px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }
.closing-cta .eyebrow { margin-bottom: 8px; }
.closing-cta h2 { margin-bottom: 8px; color: #ecf4f0; font-size: 20px; }
.closing-cta p:not(.eyebrow) { margin: 0; color: var(--muted); font-size: 12px; line-height: 1.65; }
.primary-link { flex: 0 0 auto; display: inline-flex; align-items: center; gap: 14px; padding: 13px 16px; border-radius: 8px; background: var(--mint); color: #0b1713; font-size: 12px; font-weight: 800; text-decoration: none; }
.primary-link:hover { background: #b0f2d3; color: #0b1713; }
.site-footer { min-height: 68px; padding: 18px 24px; display: flex; align-items: center; justify-content: center; gap: 22px; border-top: 1px solid var(--line); color: #889990; font-size: 10px; }
.site-footer a:first-child { color: #b9c9c1; text-decoration: none; }
.site-footer a:last-child { color: var(--mint); }

@media (max-width: 720px) {
  .site-header { width: min(100% - 32px, 1180px); min-height: 68px; }
  .brand { font-size: 8px; letter-spacing: .11em; }
  .brand img { width: 32px; height: 32px; }
  .site-header nav { gap: 12px; font-size: 10px; }
  .page-wrap { width: min(100% - 32px, 1050px); padding-top: 18px; }
  .article-header { padding-bottom: 24px; }
  .article-layout { grid-template-columns: 1fr; gap: 30px; }
  .contents { position: static; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 11px 16px; }
  .contents strong { grid-column: 1 / -1; }
  .article-body section { margin-bottom: 34px; }
  .closing-cta { align-items: flex-start; flex-direction: column; }
  .site-footer { flex-wrap: wrap; gap: 9px 16px; }
}

@media (max-width: 390px) {
  .brand span { max-width: 110px; line-height: 1.4; }
  .site-header nav { gap: 9px; }
  .site-header nav a { font-size: 9px; }
  .notice, .summary-card, .closing-cta { padding: 18px; }
  .site-footer { padding-inline: 16px; }
}