:root {
  color-scheme: light dark;
}

body {
  margin: 0 auto;
  padding: 24px 20px 64px;
  max-width: 720px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.8;
  font-size: 16px;
}

h1 {
  font-size: 22px;
  margin-bottom: 4px;
}

h2 {
  font-size: 18px;
  margin-top: 32px;
}

.updated {
  color: #6b7280;
  font-size: 13px;
  margin-top: 0;
}

ul {
  padding-left: 1.2em;
}

table {
  border-collapse: collapse;
  width: 100%;
  font-size: 14px;
}

th,
td {
  border: 1px solid #d1d5db;
  padding: 6px 8px;
  text-align: left;
  vertical-align: top;
}

footer {
  margin-top: 48px;
  font-size: 13px;
  color: #6b7280;
}