:root { --ink: #1f2430; --muted: #5b6372; --line: #e3e6ec; --bg: #ffffff; --panel: #f5f7fa; --accent: #2563c9; --warn: #b42318; }
@media (prefers-color-scheme: dark) { :root { --ink: #e8eaee; --muted: #a4abb7; --line: #2c313a; --bg: #15181d; --panel: #1d2128; --accent: #7aa7f5; --warn: #f97066; } }
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.75 system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif; -webkit-text-size-adjust: 100%; }
header.site { border-bottom: 1px solid var(--line); }
header.site .inner { max-width: 820px; margin: 0 auto; padding: 12px 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
header.site .brand { font-weight: 800; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: 0.02em; }
header.site nav { display: flex; gap: 14px; flex-wrap: wrap; font-size: 14px; }
header.site nav a { color: var(--accent); text-decoration: none; }
main { max-width: 820px; margin: 0 auto; padding: 24px 16px 48px; }
footer.site { border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer.site .inner { max-width: 820px; margin: 0 auto; padding: 16px; display: flex; gap: 14px; flex-wrap: wrap; }
footer.site a { color: var(--muted); }
h1 { font-size: 26px; line-height: 1.3; margin: 8px 0 4px; }
h2 { font-size: 19px; margin: 32px 0 8px; padding-top: 12px; border-top: 1px solid var(--line); }
h3 { font-size: 16px; margin: 20px 0 6px; }
p, li { margin: 6px 0; }
a { color: var(--accent); }
.meta { color: var(--muted); font-size: 14px; }
.lang { display: flex; gap: 8px; margin: 12px 0 20px; flex-wrap: wrap; }
.lang a { border: 1px solid var(--line); border-radius: 999px; padding: 2px 12px; text-decoration: none; font-size: 14px; }
table { width: 100%; border-collapse: collapse; font-size: 15px; }
th, td { border-bottom: 1px solid var(--line); padding: 8px 6px; text-align: left; vertical-align: top; }
th { width: 34%; color: var(--muted); font-weight: 600; }
.fill { color: var(--warn); font-weight: 700; }
.game { display: flex; gap: 20px; align-items: center; background: var(--panel); border-radius: 16px; padding: 20px; margin: 16px 0 8px; flex-wrap: wrap; }
.game img { width: 128px; height: 128px; border-radius: 28px; flex: none; }
.game .text { flex: 1 1 260px; min-width: 0; }
.game .tag { font-size: 20px; font-weight: 800; margin: 0 0 4px; }
.faq dt { font-weight: 700; margin-top: 18px; }
.faq dd { margin: 4px 0 0; }
pre { white-space: pre-wrap; font-size: 13px; background: var(--panel); padding: 12px; border-radius: 8px; overflow-x: auto; }