:root {
  color-scheme: light;
  --cream: #f7f5df;
  --paper: #fffef4;
  --mint: #b9edcb;
  --mint-deep: #126f5c;
  --yellow: #fff0ae;
  --purple: #e8d9ff;
  --ink: #16231f;
  --muted: #5e6f68;
  --line: #d9dfd5;
}

* { box-sizing: border-box; }
html { background: var(--cream); }
body {
  margin: 0;
  color: var(--ink);
  background: linear-gradient(180deg, #f7f5df 0, #ffffff 460px);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}

main { width: min(920px, calc(100% - 32px)); margin: 0 auto; padding: 48px 0 72px; }
header { padding: 30px; border-radius: 24px; background: var(--paper); border: 1px solid var(--line); }
.eyebrow { margin: 0 0 6px; color: var(--mint-deep); font-size: 14px; font-weight: 700; letter-spacing: .08em; }
h1 { margin: 0; font-size: clamp(30px, 7vw, 48px); line-height: 1.2; }
.meta { margin: 14px 0 0; color: var(--muted); font-size: 14px; }
.notice { margin: 20px 0 0; padding: 18px 20px; border-radius: 16px; background: var(--mint); }
article { margin-top: 22px; padding: 30px; border-radius: 24px; background: #fff; border: 1px solid var(--line); }
h2 { margin: 32px 0 10px; font-size: 22px; line-height: 1.35; }
h2:first-child { margin-top: 0; }
p, ul { margin: 10px 0; }
ul { padding-left: 1.4em; }
a { color: var(--mint-deep); text-underline-offset: 3px; }
table { width: 100%; margin: 14px 0; border-collapse: collapse; font-size: 14px; }
th, td { padding: 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { background: var(--cream); }
.rights { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px; margin: 18px 0; }
.right-card { padding: 18px; border-radius: 16px; background: var(--purple); }
.right-card:nth-child(2n) { background: var(--yellow); }
.right-card h3 { margin: 0 0 6px; font-size: 17px; }
footer { padding: 22px 8px 0; color: var(--muted); font-size: 13px; text-align: center; }
code { padding: 2px 6px; border-radius: 6px; background: var(--cream); }

@media (max-width: 640px) {
  main { width: min(100% - 20px, 920px); padding-top: 18px; }
  header, article { padding: 21px; border-radius: 18px; }
  .rights { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
}