:root {
  color-scheme: light;
  --bg: #f4f0e8;
  --fg: #1b1916;
  --muted: #5c564e;
  --line: #e4ddd2;
  --card: #fffcf7;
  --accent: #1e7a4d;
  --toss: #d24b45;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--fg);
  line-height: 1.55;
}
a { color: var(--accent); }
img { max-width: 100%; }
.wrap { max-width: 44rem; margin: 0 auto; padding: 0 1.25rem; }
.top {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 252, 247, 0.9);
}
.top .wrap, .foot .wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4rem;
}
.brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  color: var(--fg);
  text-decoration: none;
  font-weight: 700;
}
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav a { margin-left: 1rem; text-decoration: none; color: var(--muted); }
.nav a:hover { color: var(--fg); }
.hero { padding: 3rem 0 1rem; }
.hero img { width: 88px; height: 88px; border-radius: 22px; }
h1 { font-size: clamp(2rem, 5vw, 2.75rem); line-height: 1.1; letter-spacing: -0.03em; margin: 0.75rem 0; }
h2 { margin-top: 2rem; }
.lead { font-size: 1.15rem; }
.en, .meta { color: var(--muted); }
.grid { display: grid; grid-template-columns: 1fr; gap: 0.75rem; margin: 1.5rem 0 2rem; }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 1.1rem;
  padding: 1rem 1.1rem;
}
.card h2 { margin: 0 0 0.35rem; font-size: 1.05rem; }
.card p { margin: 0; }
.keep { color: var(--accent); }
.toss { color: var(--toss); }
.page { padding: 2rem 0 3rem; }
.foot {
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.9rem;
  padding-bottom: 2rem;
}
@media (min-width: 720px) {
  .grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 640px) {
  .top .wrap { align-items: flex-start; flex-direction: column; padding-top: 0.8rem; padding-bottom: 0.8rem; }
  .nav a { margin: 0 0.8rem 0 0; }
}