:root { color-scheme: light dark; }
* { box-sizing: border-box; }
body {
  margin: 0 auto; padding: 32px 20px 80px; max-width: 760px;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.85; color: #1a1a1a; background: #ffffff;
  font-size: 16px; word-break: break-word;
}
@media (prefers-color-scheme: dark) {
  body { color: #e8e8e8; background: #101418; }
  a { color: #7fb2ff; }
  hr { border-color: #2a3038; }
  .meta { color: #93a0ae; }
}
h1 { font-size: 24px; margin: 0 0 8px; }
h2 { font-size: 18px; margin: 40px 0 8px; }
.meta { color: #666; font-size: 14px; margin: 0 0 32px; }
ul { padding-left: 20px; }
li { margin: 4px 0; }
hr { border: 0; border-top: 1px solid #e5e5e5; margin: 40px 0; }
table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: 15px; }
th, td { border: 1px solid #ddd; padding: 8px 10px; text-align: left; vertical-align: top; }
@media (prefers-color-scheme: dark) { th, td { border-color: #2a3038; } }
th { background: rgba(127,127,127,.12); }
.nav { font-size: 14px; margin-bottom: 24px; }