body{margin:0;background:#f6f7f9;color:#1f2933;font-family:system-ui,-apple-system,'Hiragino Kaku Gothic ProN',Meiryo,sans-serif;line-height:1.75}header,main,footer{max-width:850px;margin:auto;padding:16px 24px}header{display:flex;gap:16px;flex-wrap:wrap;border-bottom:1px solid #d8dfe5}a{color:#174f8a}main{padding-top:28px;padding-bottom:48px}h1{line-height:1.3}section{margin-top:28px}ul{padding-left:1.4em}li{margin:.4em 0}.meta{color:#52616f}.skip{position:absolute;left:-9999px}.skip:focus{left:12px;top:12px;background:white;padding:8px}footer{border-top:1px solid #d8dfe5}@media(max-width:600px){header,main,footer{padding:16px}}