
  :root {
    --teal: #0F4B4A; --marigold: #E6A03C; --mist: #F2F4F3; --ink: #1A1D21; --slate: #4F5E5C; --marigold-deep: #9A5B0B; --tint: #F8E3BF; --line: #DCE2E0;
  }
  * { box-sizing: border-box; }
  html { -webkit-text-size-adjust: 100%; }
  body { margin: 0; background: #FFFFFF; color: var(--ink); font: 17px/1.65 "Figtree", -apple-system, "Helvetica Neue", Arial, sans-serif; }
  a { color: var(--teal); font-weight: 600; }
  a:hover { color: #0A3534; }
  h1, h2, h3 { font-family: "Bricolage Grotesque", "Figtree", sans-serif; font-weight: 700; color: var(--teal); letter-spacing:-.01em; line-height: 1.15; }
  h1 { font-size: clamp(34px, 6vw, 52px); margin: 0 0 14px; }
  h2 { font-size: clamp(25px, 4vw, 32px); margin: 56px 0 14px; }
  h3 { font-size: 20px; margin: 28px 0 8px; }
  p { margin: 0 0 16px; }
  ul, ol { margin: 0 0 18px; padding-left: 22px; }
  li { margin-bottom: 8px; }
  .wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
  header.site { border-bottom: 1px solid var(--line); background: #FFFFFF; }
  header.site .wrap { max-width: 1080px; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
  header.site .logo svg { height: 34px; width: auto; display: block; }
  header.site nav { display: flex; gap: 20px; flex-wrap: wrap; font-size: 15px; }
  header.site nav a { text-decoration: none; color: var(--ink); font-weight: 600; }
  .hero { background: var(--mist); padding: 56px 0 44px; }
  .eyebrow { font-size: 14px; font-weight: 700; letter-spacing: 0.1em; text-transform: uppercase; color: var(--marigold-deep); margin-bottom: 10px; }
  .lede { font-size: 20px; color: var(--slate); max-width: 620px; }
  .meta { font-size: 14px; color: var(--slate); margin: 18px 0 0; }
  .toc { border: 1px solid var(--line); border-radius: 14px; padding: 18px 22px; margin: 36px 0 8px; }
  .toc strong { display: block; margin-bottom: 6px; }
  .toc ol { margin: 0; }
  .toc li { margin-bottom: 4px; }
  figure { margin: 24px 0 28px; background: var(--mist); border-radius: 16px; padding: 18px; }
  figure svg { width: 100%; height: auto; display: block; }
  figcaption { font-size: 14px; color: var(--slate); margin-top: 10px; }
  .tip { background: #FFFFFF; border: 1px solid var(--line); border-left: 5px solid var(--marigold); border-radius: 10px; padding: 14px 18px; margin: 20px 0 24px; }
  .tip p:last-child { margin: 0; }
  .steps { counter-reset: s; list-style: none; padding: 0; }
  .steps > li { counter-increment: s; position: relative; padding-left: 52px; margin-bottom: 18px; }
  .steps > li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 34px; height: 34px; border-radius: 50%; background: var(--teal); color: #FFFFFF; font-weight: 700; display: flex; align-items: center; justify-content: center; font-size: 16px; }
  .mistakes li strong { color: var(--ink); }
  .sheet { border: 2px solid var(--teal); border-radius: 16px; padding: 22px; margin: 24px 0; }
  .sheet h3 { margin-top: 0; }
  .sheet-table-wrap { overflow-x: auto; }
  .sheet table { width: 100%; border-collapse: collapse; font-size: 15px; min-width: 540px; }
  .sheet th, .sheet td { border: 1px solid var(--line); padding: 10px 8px; text-align: left; }
  .sheet th { background: var(--mist); font-weight: 700; }
  .sheet td { height: 40px; }
  .btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 12px 22px; border-radius: 999px; font-weight: 700; font-size: 16px; text-decoration: none; border: 2px solid var(--teal); cursor: pointer; font-family: inherit; }
  .btn-primary { background: var(--teal); color: #FFFFFF; }
  .btn-primary:hover { background: #0A3534; color: #FFFFFF; }
  .btn-secondary { background: #FFFFFF; color: var(--teal); }
  .btn-accent { background: var(--marigold); border-color: var(--marigold); color: var(--ink); }
  .cta { background: var(--teal); color: #F2F4F3; border-radius: 22px; padding: 34px 28px; margin: 56px 0 28px; }
  .cta h2 { color: #FFFFFF; margin-top: 0; }
  .cta p { color: #E3ECEB; }
  .cta .row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 18px; }
  .cta .btn-secondary { background: transparent; color: #FFFFFF; border-color: #F2F4F3; }
  details { border-bottom: 1px solid var(--line); padding: 14px 0; }
  details summary { font-weight: 700; cursor: pointer; font-size: 18px; color: var(--ink); }
  details p { margin: 10px 0 0; }
  .more { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 18px 0 0; }
  .more a { display: block; border: 1px solid var(--line); border-radius: 12px; padding: 16px; text-decoration: none; color: var(--ink); }
  .more a span { display: block; font-size: 14px; color: var(--slate); font-weight: 400; margin-top: 4px; }
  footer.site { margin-top: 64px; background: var(--mist); padding: 28px 0; font-size: 14px; color: var(--slate); }


  main { padding-bottom: 64px; }
  main a:focus-visible, main button:focus-visible, main summary:focus-visible { outline: 3px solid var(--marigold-deep); outline-offset: 4px; }
  .guide-list { list-style: none; padding: 0; margin: 0; }
  .guide-list li { margin: 0; border-bottom: 1px solid var(--line); }
  .guide-list a { display: block; padding: 27px 0; text-decoration: none; }
  .guide-list h2 { margin: 0 0 9px; font-size: clamp(23px, 4vw, 28px); }
  .guide-list p { margin: 0; color: var(--slate); font-weight: 400; }
  .guide-list a:hover h2 { text-decoration: underline; text-underline-offset: 4px; }
  @media print {
    @page { margin: 16mm; }
    body:has(#sheet) > :not(main), body:has(#sheet) main > :not(.wrap), body:has(#sheet) main > .wrap > :not(#sheet) { display: none !important; }
    body:has(#sheet), body:has(#sheet) main, body:has(#sheet) main > .wrap { margin: 0; padding: 0; max-width: none; background: white; }
    #sheet { margin: 0; width: 100%; border-color: #000; break-inside: avoid; }
    #sheet .no-print { display: none !important; }
    #sheet .sheet-table-wrap { overflow: visible; }
    #sheet table { min-width: 0; }
  }
