:root {
  --bg: #ffffff;
  --fg: #1a1a1a;
  --muted: #666666;
  --border: #dddddd;
  --accent: #2a6fb0;
  --table-head: #f5f5f5;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17181a;
    --fg: #e8e8e8;
    --muted: #9a9a9a;
    --border: #3a3b3e;
    --accent: #7ab3e8;
    --table-head: #232427;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Noto Sans JP", "Yu Gothic", sans-serif;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
}
main {
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}
h1 {
  font-size: 1.5rem;
  line-height: 1.4;
  margin: 1rem 0 0.25rem;
}
h2 {
  font-size: 1.15rem;
  margin: 2.5rem 0 0.75rem;
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--border);
}
h3 {
  font-size: 1rem;
  margin: 1.75rem 0 0.5rem;
}
p, li { font-size: 0.95rem; }
a { color: var(--accent); }
.store-link {
  display: inline-block;
  padding: 0.65rem 1rem;
  border: 1px solid currentColor;
  border-radius: 0.5rem;
  text-decoration: none;
}
.meta { color: var(--muted); font-size: 0.85rem; margin: 0 0 2rem; }
.site-header {
  font-size: 0.85rem;
  margin-bottom: 1.5rem;
}
.site-header a { text-decoration: none; }
.table-wrap { overflow-x: auto; }
table {
  border-collapse: collapse;
  width: 100%;
  min-width: 560px;
  font-size: 0.85rem;
  line-height: 1.6;
}
th, td {
  border: 1px solid var(--border);
  padding: 0.5rem 0.65rem;
  text-align: left;
  vertical-align: top;
}
th { background: var(--table-head); }
footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 1.25rem 3rem;
  color: var(--muted);
  font-size: 0.8rem;
}