:root {
  color-scheme: light;
  --ink: #171315;
  --paper: #fffdfa;
  --canvas: #f5f1e9;
  --yellow: #f5d66f;
  --yellow-soft: #fff1b8;
  --plum: #4a123e;
  --coral: #ef4026;
  --green: #4b8650;
  --line: #d9cfc2;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--canvas); font: 18px/1.65 Arial, Helvetica, sans-serif; }
a { color: var(--plum); text-underline-offset: .18em; }
a:hover { text-decoration-thickness: 2px; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--coral); outline-offset: 4px; border-radius: 4px; }
.skip-link { position: absolute; left: 16px; top: -80px; z-index: 5; padding: 12px 16px; background: var(--ink); color: white; }
.skip-link:focus { top: 12px; }
.site-header { min-height: 82px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px clamp(20px, 4vw, 64px); border-bottom: 1px solid var(--line); background: var(--paper); }
.brand { min-height: 44px; display: inline-flex; align-items: center; gap: 10px; color: var(--ink); text-decoration: none; }
.brand-word { font-size: clamp(28px, 3vw, 38px); font-weight: 900; letter-spacing: -.06em; }
.brand-word em { color: var(--coral); font-family: Georgia, serif; font-weight: 500; }
.brand-domain { color: #6f6864; font-size: 12px; font-weight: 700; letter-spacing: .04em; }
.header-action { min-height: 44px; display: inline-flex; align-items: center; font-size: 15px; }
.breadcrumbs { max-width: 1120px; margin: 0 auto; padding: 18px clamp(20px, 4vw, 56px); font-size: 14px; color: #665d59; }
.breadcrumbs ol { display: flex; flex-wrap: wrap; gap: 8px; margin: 0; padding: 0; list-style: none; }
.breadcrumbs li:not(:last-child)::after { content: "/"; margin-left: 8px; color: #9c8f89; }
.hero { display: grid; grid-template-columns: minmax(250px, .78fr) minmax(0, 1.22fr); max-width: 1200px; margin: 0 auto 48px; background: var(--paper); border: 1px solid var(--line); border-radius: 28px; overflow: hidden; }
.hero-mark { padding: clamp(34px, 5vw, 70px); background: var(--yellow); }
.eyebrow { margin: 0 0 24px; font-size: 13px; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
.hero-copy { padding: clamp(34px, 5vw, 72px); }
h1, h2, h3 { line-height: 1.15; letter-spacing: -.035em; }
h1 { margin: 0 0 24px; font-size: clamp(38px, 5.3vw, 70px); }
h2 { margin: 64px 0 20px; font-size: clamp(28px, 3.6vw, 42px); }
h3 { margin: 32px 0 12px; font-size: 23px; }
.lead { margin: 0; max-width: 760px; color: #524a47; font-size: clamp(19px, 2vw, 23px); }
.content-shell { max-width: 960px; margin: 0 auto; padding: 0 clamp(20px, 4vw, 56px) 80px; }
.article-body > section:first-of-type h2 { margin-top: 18px; }
.article-body p, .article-body li { max-width: 780px; }
.article-body li + li { margin-top: 8px; }
.article-body table { width: 100%; border-collapse: collapse; margin: 28px 0; background: var(--paper); }
.article-body th, .article-body td { padding: 14px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
.seo-image { display: block; width: 100%; height: auto; aspect-ratio: 16 / 9; margin: 34px 0 54px; border: 1px solid var(--line); border-radius: 24px; background: var(--paper); }
.primary-cta { display: inline-flex; min-height: 52px; align-items: center; justify-content: center; margin: 28px 0 12px; padding: 13px 22px; border-radius: 14px; background: var(--plum); color: white; font-weight: 800; text-decoration: none; box-shadow: 0 12px 28px rgb(74 18 62 / .16); }
.primary-cta::after { content: "→"; margin-left: 16px; }
.primary-cta:hover { background: #631653; }
.note { margin: 34px 0; padding: 22px 24px; border-left: 6px solid var(--green); border-radius: 0 18px 18px 0; background: var(--paper); }
.faq { margin-top: 72px; padding: clamp(28px, 5vw, 48px); border-radius: 26px; background: var(--yellow-soft); }
.faq h2 { margin-top: 0; }
.faq-item { padding: 18px 0; border-top: 1px solid #d9bd58; }
.faq-item h3 { margin: 0 0 8px; font-size: 21px; }
.faq-item p { margin: 0; }
.related { margin-top: 48px; padding: 28px; border: 1px solid var(--line); border-radius: 22px; background: var(--paper); }
.related h2 { margin-top: 0; font-size: 30px; }
.related ul { margin-bottom: 0; }
.site-footer { padding: 40px clamp(20px, 4vw, 64px); color: #5d5551; border-top: 1px solid var(--line); background: var(--paper); font-size: 14px; }
.site-footer p { max-width: 920px; margin: 0 auto; }
@media (max-width: 720px) {
  body { font-size: 17px; }
  .site-header { align-items: flex-start; }
  .brand-domain { display: none; }
  .header-action { text-align: right; }
  .hero { grid-template-columns: 1fr; margin: 0 12px 36px; border-radius: 22px; }
  .hero-mark { padding: 24px; }
  .hero-copy { padding: 30px 24px 36px; }
  .content-shell { padding-inline: 20px; }
  .article-body table { display: block; overflow-x: auto; }
  .seo-image { margin-block: 28px 42px; border-radius: 16px; }
}
@media (max-width: 360px) {
  .site-header { padding-inline: 16px; }
  .brand-word { font-size: 27px; }
  .header-action { font-size: 13px; }
  h1 { font-size: 36px; }
  .content-shell { padding-inline: 16px; }
}