/* 使い方・規約・プライバシーポリシーの静的ページ共通 */
:root { color-scheme: dark; }
body { font-family: -apple-system, 'Hiragino Sans', 'Noto Sans JP', sans-serif; background: #161618; color: #ececee; line-height: 1.85; max-width: 720px; margin: 0 auto; padding: 24px 18px 64px; }
header.site { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 20px; font-size: 13px; }
header.site a.brand { font-family: ui-monospace, Menlo, monospace; letter-spacing: 0.12em; color: #ececee; text-decoration: none; }
a { color: #ff7a2e; }
h1 { font-size: 26px; line-height: 1.4; margin: 8px 0 12px; }
h2 { font-size: 19px; margin-top: 40px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.08); }
h3 { font-size: 16px; margin-top: 24px; }
p, li { color: #cfcfd5; }
.lead { font-size: 16px; color: #ececee; }
.cta { display: inline-block; margin: 12px 0 4px; padding: 12px 22px; border-radius: 999px; background: #ff6b1a; color: #111; font-weight: 700; text-decoration: none; }
table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 14px; }
th, td { border-bottom: 1px solid rgba(255,255,255,0.1); padding: 8px 6px; text-align: left; vertical-align: top; }
th { color: #94949b; font-weight: 600; }
code { font-family: ui-monospace, Menlo, monospace; background: rgba(255,255,255,0.08); padding: 1px 6px; border-radius: 6px; }
.note { background: rgba(255,255,255,0.05); border-radius: 12px; padding: 12px 16px; }
footer.site { margin-top: 48px; padding-top: 16px; border-top: 1px solid rgba(255,255,255,0.08); font-size: 13px; color: #94949b; display: flex; gap: 16px; flex-wrap: wrap; }
code { white-space: nowrap; }
/* 記事内の広告枠。前後のリンクやボタンと離して誤タップを防ぐ。配信がない時は枠ごと隠す */
.ad { margin: 36px 0; }
.ad span { display: block; font-size: 10px; letter-spacing: 0.1em; color: #94949b; margin-bottom: 4px; }
.ad:has(ins.adsbygoogle[data-ad-status='unfilled']) { display: none; }
.article-list { list-style: none; padding: 0; }
.article-list li { padding: 14px 0; border-bottom: 1px solid rgba(255,255,255,0.08); }
.article-list a { text-decoration: none; }
.article-list span { font-size: 13px; color: #94949b; }
.date { font-size: 12px; color: #94949b; margin: -4px 0 12px; }