:root{color-scheme:light;--ink:#22342f;--muted:#53635c;--accent:#00675c;--paper:#faf9f4;--line:#d9e3dc}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;font-size:17px;line-height:1.9;overflow-wrap:anywhere}a{color:var(--accent);text-underline-offset:.25em}a:hover{text-decoration-thickness:2px}a:focus-visible{outline:3px solid #bf6b14;outline-offset:5px}header,main,footer{max-width:1080px;margin:auto;padding-left:28px;padding-right:28px}.header{display:flex;gap:16px;align-items:center;justify-content:space-between;padding-top:24px;padding-bottom:24px;border-bottom:1px solid var(--line)}.header span{font-size:14px;color:var(--muted)}.brand{font-size:24px;font-weight:800;text-decoration:none;white-space:nowrap}main{padding-top:30px;padding-bottom:64px}.hero{padding:32px 0 40px}.eyebrow{font-weight:700;color:var(--accent);font-size:14px;letter-spacing:.09em}h1{font-size:clamp(30px,5vw,50px);line-height:1.5;letter-spacing:.02em;margin:14px 0 24px}h2{font-size:25px;line-height:1.65;margin:0 0 18px}h3{font-size:20px;line-height:1.6;margin:10px 0}p{margin:0 0 18px}.lead{font-size:20px;max-width:790px}.notice{border-left:4px solid var(--accent);padding:14px 18px;background:#edf3ed;font-size:15px}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.cards article{background:white;border:1px solid var(--line);border-radius:16px;padding:24px}.cards p{font-size:16px;margin:0}.number{color:var(--accent);font-size:14px;font-weight:800}section+section{margin-top:44px}.panel{padding:28px;background:#eef3ef;border-radius:16px}.panel p:last-child{margin-bottom:0}footer{padding-top:28px;padding-bottom:34px;border-top:1px solid var(--line);color:var(--muted)}footer nav{display:flex;flex-wrap:wrap;gap:12px 24px;margin-bottom:20px}footer a{font-size:15px}small{font-size:13px}.document{max-width:860px;padding-top:46px}.document h1{font-size:clamp(29px,5vw,40px)}.document h2{font-size:22px}.updated{font-size:14px;color:var(--muted)}ul{padding-left:1.4em;margin:0 0 20px}li+li{margin-top:12px}strong{font-weight:700}@media(max-width:700px){header,main,footer{padding-left:22px;padding-right:22px}.header{align-items:flex-start;flex-direction:column;gap:2px}.header span{font-size:12px}.hero{padding-top:20px}.lead{font-size:18px}.cards{grid-template-columns:1fr}.cards article{padding:22px}.panel{padding:22px}h2{font-size:23px}.document h2{font-size:21px}footer nav{flex-direction:column;gap:12px}section+section{margin-top:34px}}