:root {
  --bg: #fff6e0; --surface: #ffffff; --ink: #111111; --muted: #5e573f;
  --accent: #c6ff3d; --pop: #ff6fb5; --line: #e3d6ae;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #14110c; --surface: #221d15; --ink: #fff6e0; --muted: #d2c9b0; --line: #4d4230; }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
header { border-bottom: 3px solid var(--ink); background: var(--accent); }
header .wrap { display: flex; align-items: center; justify-content: space-between; padding: 18px 20px; }
header a.brand { color: #111; font-weight: 800; font-size: 22px; text-decoration: none; letter-spacing: -0.01em; }
header nav a { color: #111; margin-left: 18px; font-weight: 600; font-size: 15px; }
.wrap { max-width: 760px; margin: 0 auto; padding: 0 20px; }
main { padding: 36px 0 64px; }
h1 { font-size: 38px; line-height: 1.15; margin: 0 0 6px; letter-spacing: -0.02em; }
h2 { font-size: 22px; margin: 36px 0 8px; padding-top: 6px; }
.meta { color: var(--muted); font-size: 15px; margin: 0 0 28px; }
a { color: var(--ink); text-underline-offset: 3px; text-decoration-thickness: 2px; text-decoration-color: var(--pop); }
ul { padding-left: 22px; } li { margin: 6px 0; }
.card { background: var(--surface); border: 3px solid var(--ink); border-radius: 12px; box-shadow: 5px 5px 0 var(--ink); padding: 18px 20px; margin: 22px 0; }
.card p { margin: 0; }
footer { border-top: 1px solid var(--line); color: var(--muted); font-size: 14px; padding: 22px 0 40px; }
footer a { color: var(--muted); }