*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #0f172a;
  background: #ffffff;
  line-height: 1.6;
}
a { color: #2563eb; }
.site-header, main, .site-footer { padding-left: 16px; padding-right: 16px; }
.site-header { max-width: 1040px; margin: 0 auto; padding-top: 20px; padding-bottom: 8px; }
.site-logo { font-weight: 800; font-size: 1.25rem; color: #0f172a; text-decoration: none; }
main { max-width: 1040px; margin: 0 auto; }
.hero { padding: 40px 0 32px; }
.hero h1 { font-size: clamp(1.75rem, 4vw, 2.75rem); line-height: 1.15; margin: 0 0 12px; text-align: center; }
.hero-lead { font-size: 1.125rem; color: #475569; text-align: center; max-width: 640px; margin: 0 auto 28px; }
.features, .faq { padding: 32px 0; border-top: 1px solid #e2e8f0; }
.features h2, .faq h2 { font-size: 1.5rem; margin: 0 0 16px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.feature-grid article { background: #f8fafc; border: 1px solid #e2e8f0; border-radius: 12px; padding: 16px 18px; }
.feature-grid h3 { margin: 0 0 6px; font-size: 1.0625rem; }
.feature-grid p { margin: 0; color: #334155; font-size: .9375rem; }
.honesty { color: #334155; margin-top: 20px; }
.faq details { border-bottom: 1px solid #e2e8f0; padding: 12px 0; }
.faq summary { cursor: pointer; font-weight: 600; font-size: 1.0625rem; }
.faq details p { color: #334155; margin: 8px 0 4px; }
.site-footer { max-width: 1040px; margin: 0 auto; padding-top: 24px; padding-bottom: 32px; color: #64748b; font-size: .875rem; border-top: 1px solid #e2e8f0; }
.site-footer a { color: inherit; }
@media print { .site-header, .site-footer, .features, .faq, .hero h1, .hero-lead { display: none; } }
.terms { display: grid; grid-template-columns: minmax(0, 1fr); gap: .25rem; margin: 0; }
.terms dt { font-weight: 700; margin-top: .5rem; }
.terms dd { margin: 0; color: #334155; }
.method h2 { font-size: 1.25rem; margin: 1.5rem 0 .5rem; }
.method table { border-collapse: collapse; width: 100%; font-size: .9375rem; }
.method th, .method td { text-align: left; padding: .5rem; border-bottom: 1px solid #e2e8f0; vertical-align: top; }
.method .table-wrap { overflow-x: auto; }
.method .muted { color: #64748b; }