:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Microsoft YaHei", sans-serif;
  color: #1a1b1f;
  background: #f7f8fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  line-height: 1.75;
}

header {
  background: #0058bc;
  color: #fff;
}

.header-inner,
main,
footer {
  width: min(860px, calc(100% - 40px));
  margin: 0 auto;
}

.header-inner {
  padding: 34px 0 30px;
}

.brand {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
}

h1 {
  margin: 0;
  font-size: clamp(28px, 6vw, 42px);
  letter-spacing: 0;
}

main {
  padding: 34px 0 48px;
}

h2 {
  margin: 34px 0 10px;
  font-size: 21px;
  letter-spacing: 0;
}

p,
li {
  font-size: 16px;
}

.meta {
  color: #59616d;
}

.notice {
  padding: 16px 18px;
  border-left: 4px solid #006e28;
  background: #eaf4ed;
}

a {
  color: #0058bc;
  text-underline-offset: 3px;
}

.button {
  display: inline-block;
  min-height: 44px;
  margin: 8px 8px 8px 0;
  padding: 9px 16px;
  border: 1px solid #0058bc;
  border-radius: 6px;
  font-weight: 700;
  text-decoration: none;
}

.button.primary {
  color: #fff;
  background: #0058bc;
}

footer {
  padding: 22px 0 36px;
  border-top: 1px solid #d9dde3;
  color: #59616d;
  font-size: 14px;
}

nav a {
  margin-right: 14px;
}

@media (max-width: 520px) {
  .header-inner,
  main,
  footer {
    width: min(100% - 28px, 860px);
  }
}