.guide { max-width: 850px; margin: 60px auto 90px; }
.guide h1 { max-width: 720px; font-size: clamp(2.5rem, 6vw, 4.5rem); line-height: 1.05; }
.guide .intro { max-width: 660px; font-size: 1.125rem; line-height: 1.7; margin: 24px 0 36px; }
.guide section { padding: 32px 0; border-top: 1px solid var(--line, #d6d2c9); }
.guide h2 { font-size: clamp(1.75rem, 4vw, 2.5rem); margin: 0 0 18px; }
.guide h3 { font-family: Arial, sans-serif; font-size: 1rem; margin: 24px 0 8px; }
.guide p, .guide li { font-size: 1rem; line-height: 1.75; }
.guide p { margin: 12px 0; }
.guide li { margin-bottom: 12px; }
.guide a { color: #315e4c; text-underline-offset: 4px; }
.guide .example { background: #fffdfb; padding: clamp(18px, 4vw, 32px); border-radius: 20px; }
.guide table { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; margin: 24px 0; }
.guide th, .guide td { border-bottom: 1px solid #ddd8d0; padding: 12px 8px; text-align: right; }
.guide th:first-child, .guide td:first-child { text-align: left; width: 50%; }
.guide thead { font-size: .875rem; }
.guide .boundary { color: #575b54; font-size: .9375rem; }
@media (max-width: 600px) {
  .guide-header { flex-wrap: wrap; gap: 16px; }
  .guide-header .wordmark span { white-space: nowrap; }
  .guide { margin-top: 36px; }
  .guide th, .guide td { font-size: .875rem; padding-inline: 4px; }
}