*, *::before, *::after { box-sizing: border-box; }
:root {
  --bg: #F3EFE7;
  --paper: #FBF8F1;
  --ink: #1A1A19;
  --ink-2: #4F4D48;
  --ink-3: #78756F;
  --border: #DDD5C2;
  --notice: #EFE2C7;
  --notice-border: #9B7432;
}
html, body { margin: 0; background: var(--bg); color: var(--ink); font-family: Archivo, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; font-size: 16px; line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-underline-offset: 3px; }
.wrap { width: min(760px, calc(100% - 48px)); margin: 0 auto; }
header { border-bottom: 1px solid var(--border); }
header .row { min-height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.brand { font-size: 13px; font-weight: 650; letter-spacing: .08em; text-decoration: none; text-transform: uppercase; }
.back { color: var(--ink-2); font-size: 14px; text-decoration: none; }
main { padding: 72px 0 96px; }
h1 { margin: 0 0 44px; font-size: clamp(44px, 8vw, 72px); line-height: 1; letter-spacing: -.04em; }
h2 { margin: 48px 0 12px; font-size: 24px; line-height: 1.2; letter-spacing: -.02em; }
h3 { margin: 28px 0 8px; font-size: 18px; }
p, ul { margin: 0 0 16px; }
ul { padding-left: 22px; }
.lead { max-width: 650px; color: var(--ink-2); font-size: 18px; }
.todo { margin: 28px 0; padding: 18px 20px; background: var(--notice); border-left: 3px solid var(--notice-border); color: var(--ink); }
.todo strong { display: block; margin-bottom: 4px; }
.muted { color: var(--ink-3); font-size: 14px; }
footer { padding: 32px 0 44px; border-top: 1px solid var(--border); color: var(--ink-3); font-size: 12px; }
footer .row { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; }
footer .design { margin-top: 2px; font-size: 11px; }
@media (max-width: 560px) {
  .wrap { width: min(100% - 36px, 760px); }
  main { padding: 52px 0 72px; }
  header .row { gap: 16px; }
  .brand, .back { line-height: 1.35; }
  .back { max-width: 144px; text-align: right; }
  h1 {
    margin-bottom: 34px;
    hyphens: auto;
    overflow-wrap: break-word;
    text-wrap: balance;
  }
  h1.long-title { font-size: clamp(32px, 9vw, 40px); }
  h2, h3 { hyphens: auto; overflow-wrap: break-word; text-wrap: balance; }
  main a { overflow-wrap: anywhere; }
  .todo { padding: 16px; }
  footer .row { align-items: flex-start; }
}
