:root{color-scheme:light;--ink:#162b2a;--muted:#536c69;--green:#087e70;--line:#dce6e3;--paper:#fff;--wash:#f4f8f6}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",Meiryo,sans-serif;font-size:16px;line-height:1.85;overflow-wrap:anywhere}a{color:var(--green);text-underline-offset:4px}a:focus-visible{outline:3px solid #74c7b7;outline-offset:5px;border-radius:2px}.site-header{max-width:1060px;margin:auto;padding:26px 36px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:24px}.site-header .brand{font-size:24px;font-weight:750;letter-spacing:-.04em;color:var(--ink);text-decoration:none}.site-header>a:last-child{font-size:14px}main{max-width:900px;margin:0 auto;padding:64px 36px 72px}.eyebrow{color:var(--green);font-size:12px;font-weight:700;letter-spacing:.18em;margin:0 0 16px}h1{font-size:clamp(29px,5vw,46px);line-height:1.5;letter-spacing:-.035em;margin:0 0 18px;font-weight:750}.updated{font-size:13px;color:var(--muted);margin:0 0 32px}.lead{font-size:18px;line-height:1.9;margin-bottom:30px}.summary{border:1px solid #c2ddd3;background:#f0f8f4;border-radius:16px;padding:18px 24px;margin:30px 0}.summary ul{margin:0;padding-left:1.4em}.summary li+li{margin-top:12px}nav{display:flex;flex-wrap:wrap;gap:9px 20px;margin:28px 0 50px;padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}nav a{font-size:14px}section{margin-top:48px}h2{font-size:23px;line-height:1.6;letter-spacing:-.025em;margin:0 0 20px}h3{font-size:18px;margin:28px 0 12px}p{margin:0 0 18px}ul{padding-left:1.4em}li+li{margin-top:9px}dl{margin:0}dt{font-weight:700;margin-top:22px}dd{margin:7px 0 20px;color:#314c48}.table-wrap{overflow-x:auto;margin:18px 0 22px;border:1px solid var(--line);border-radius:12px}table{width:100%;border-collapse:collapse;font-size:15px;line-height:1.8;text-align:left}th,td{vertical-align:top;padding:16px 20px;border-bottom:1px solid var(--line)}thead th{background:var(--wash);font-weight:650}tbody th{width:38%;font-weight:600}tr:last-child>*{border-bottom:0}.contact{border-top:1px solid var(--line);padding-top:32px}footer{max-width:1060px;margin:auto;padding:28px 36px;border-top:1px solid var(--line);display:flex;justify-content:space-between;gap:24px;font-size:13px;color:var(--muted)}@media(max-width:600px){.site-header{padding:20px 22px}main{padding:42px 22px 48px}.lead{font-size:16px}.summary{padding:17px 18px}nav{gap:8px 16px;margin-bottom:36px}section{margin-top:38px}h2{font-size:21px}th,td{padding:13px 14px}tbody th{width:40%}footer{padding:24px 22px;flex-direction:column;gap:10px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}@media print{.site-header,nav,footer{display:none}main{max-width:none;padding:0}section{break-inside:avoid}a{color:inherit}}