
:root{--ink:#171f3d;--soft:#4d5679;--accent:#4e57ca;--line:#e2e5f2;--paper:#fff;--bg:#f0f2fa}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.95 -apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;overflow-wrap:anywhere}a{color:var(--accent);text-underline-offset:4px}a:focus-visible{outline:2px solid var(--accent);outline-offset:4px}header,main,footer{width:min(100% - 40px,820px);margin-inline:auto}header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:15px 0}.brand{font-size:23px;font-weight:700;letter-spacing:-1px;text-decoration:none}.site-language{flex:0 0 auto;align-self:auto}main{background:var(--paper);padding:clamp(22px,5vw,48px);border:1px solid var(--line);border-radius:24px;margin-block:10px 30px;box-shadow:0 18px 60px -48px #222a69}h1{font-size:clamp(23px,4.6vw,32px);line-height:1.55;letter-spacing:-.02em;margin:8px 0 12px}h2{font-size:20px;line-height:1.65;margin:32px 0 10px}p{margin:12px 0}ul,ol{padding-left:1.4em}li{margin:7px 0}.tag{color:var(--accent);font-size:12px;font-weight:700;letter-spacing:.07em}.meta{font-size:12px;color:var(--soft)}.notice{background:#f4f4fe;border-left:3px solid #747ce1;padding:14px 18px;border-radius:0 12px 12px 0}.intro{color:var(--soft)}.cards{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:24px 0}.card{border:1px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;color:var(--ink)}.card strong{display:block;color:var(--accent);font-size:18px}.card span{display:block;font-size:14px;line-height:1.8;margin-top:6px}.card:hover{background:#f7f7fe}dl{margin:15px 0}dt{font-weight:700;margin-top:20px}dd{margin:6px 0;color:var(--soft)}footer{font-size:12px;color:var(--soft);padding-bottom:28px}footer nav{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:16px}footer a{padding:5px 0}.back{font-size:13px}.source{font-size:13px}.version{font-family:ui-monospace,monospace;font-size:11px}@media(max-width:430px){body{font-size:15px}header,main,footer{width:calc(100% - 24px)}header{gap:8px}.cards{grid-template-columns:1fr}main{border-radius:18px}h2{font-size:18px}}
