body {
  margin: 0;
  color: #24313d;
  background: #fbfcfd;
  font: 16px/1.6 system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

main {
  max-width: 920px;
  margin: 0 auto;
  padding: 28px 20px 64px;
}

nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin: 0 0 28px;
  font-size: 14px;
}

a {
  color: #2166a5;
}

h1 {
  margin: 0 0 10px;
  color: #14212c;
  font-size: 34px;
  line-height: 1.2;
}

h2 {
  margin: 30px 0 8px;
  color: #14212c;
  font-size: 22px;
}

h3 {
  margin: 22px 0 6px;
  color: #14212c;
  font-size: 18px;
}

.summary {
  padding: 12px 14px;
  border: 1px solid #cfd8e3;
  border-radius: 8px;
  background: #eef6fd;
}

.notice {
  padding: 12px 14px;
  border: 1px solid #d5b96a;
  border-radius: 8px;
  background: #fff8e1;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0;
}

th,
td {
  padding: 8px 10px;
  border: 1px solid #d8e0e8;
  text-align: left;
  vertical-align: top;
}

th {
  background: #eef2f6;
  color: #14212c;
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}