:root {
  color-scheme: light;
  --canvas: #f8f3e4;
  --paper: #fffdf7;
  --ink: #213024;
  --leaf: #2f6b45;
  --leaf-soft: #dce9c8;
  --sun: #f2942e;
  --line: rgba(33, 48, 36, 0.14);
}

* { box-sizing: border-box; }
html { background: var(--canvas); }
body { margin: 0; color: var(--ink); background: var(--canvas); font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif; line-height: 1.8; }
a { color: var(--leaf); }
.site-header { display: flex; justify-content: space-between; align-items: center; gap: 20px; max-width: 980px; margin: 0 auto; padding: 22px 24px; border-bottom: 1px solid var(--line); }
.brand { color: var(--ink); font-weight: 800; text-decoration: none; letter-spacing: .02em; }
.brand span { color: var(--sun); margin-right: 6px; }
nav { display: flex; gap: 18px; }
nav a { font-size: .92rem; font-weight: 700; text-decoration: none; }
main { max-width: 820px; min-height: calc(100vh - 170px); margin: 0 auto; padding: 64px 24px 88px; }
article { background: var(--paper); border: 1px solid var(--line); border-radius: 28px; padding: clamp(26px, 6vw, 64px); box-shadow: 0 18px 55px rgba(33, 48, 36, .08); }
.hero { background: radial-gradient(circle at 90% 8%, rgba(242,148,46,.18), transparent 28%), var(--paper); }
.eyebrow { margin: 0 0 8px; color: var(--leaf); font-size: .78rem; font-weight: 900; letter-spacing: .18em; }
h1 { margin: 0 0 20px; font-size: clamp(2rem, 7vw, 4.2rem); line-height: 1.2; letter-spacing: -.03em; }
h2 { margin: 2.2em 0 .45em; padding-top: .2em; font-size: 1.25rem; line-height: 1.5; }
p, li { font-size: 1rem; }
.lead { max-width: 650px; color: rgba(33,48,36,.74); font-size: 1.08rem; }
.notice { margin: 24px 0; padding: 18px 20px; border-left: 5px solid var(--sun); border-radius: 12px; background: #fff4df; font-weight: 650; }
.cards { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin-top: 36px; }
.card { display: flex; flex-direction: column; gap: 4px; min-height: 120px; padding: 22px; color: var(--ink); background: var(--leaf-soft); border-radius: 20px; text-decoration: none; }
.card strong { font-size: 1.15rem; }
.card span { color: rgba(33,48,36,.65); font-size: .9rem; }
footer { display: flex; justify-content: center; flex-wrap: wrap; gap: 18px; padding: 28px 24px 42px; color: rgba(33,48,36,.6); font-size: .82rem; }
footer a { color: inherit; }
@media (max-width: 600px) {
  .site-header { align-items: flex-start; }
  nav { gap: 10px; }
  .cards { grid-template-columns: 1fr; }
  main { padding-top: 28px; }
}