:root{--ink:#17202b;--muted:#667486;--line:#dfe4ea;--blue:#1559b7;--blue-dark:#0d428b;--soft:#f6f8fa;--max:1040px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;-webkit-font-smoothing:antialiased;background:#fff}a{color:inherit;text-decoration:none}.wrap{width:min(var(--max),calc(100% - 48px));margin:auto}.header{height:68px;border-bottom:1px solid var(--line);display:flex;align-items:center;background:#fff;position:sticky;top:0;z-index:10}.headerIn{display:flex;align-items:center;justify-content:space-between;gap:24px}.brand{font-weight:850;letter-spacing:-.025em;display:flex;align-items:center;gap:10px}.mark{width:26px;height:26px;border:2px solid var(--blue);border-radius:5px;display:grid;place-items:center;color:var(--blue);font-size:14px}.back{font-size:12px;font-weight:750;color:#536071}.back:hover{color:var(--blue)}main{padding:72px 0 100px}.eyebrow{font-size:11px;font-weight:850;letter-spacing:.12em;color:var(--blue);text-transform:uppercase;margin-bottom:14px}h1{font-size:clamp(34px,5vw,54px);line-height:1.2;letter-spacing:-.04em;margin:0 0 20px}.lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:760px;margin:0}.meta{margin-top:18px;font-size:11px;color:#8a95a2}.content{margin-top:54px;display:grid;gap:42px}.section{border-top:1px solid var(--line);padding-top:26px}.section h2{font-size:22px;line-height:1.45;letter-spacing:-.02em;margin:0 0 14px}.section h3{font-size:16px;line-height:1.55;margin:22px 0 8px}.section p,.section li{font-size:13px;line-height:1.95;color:#556477}.section ul{margin:10px 0 0;padding-left:1.3em}.notice{padding:17px 19px;background:var(--soft);border-left:3px solid var(--blue);font-size:12px;line-height:1.85;color:#5d6b7b}.contactBox{border:1px solid var(--line);border-radius:10px;padding:24px;margin-top:18px}.contactBox b{display:block;font-size:14px;margin-bottom:8px}.mailBtn{display:inline-flex;margin-top:14px;padding:12px 16px;background:var(--blue);color:#fff;border-radius:7px;font-size:13px;font-weight:800}.mailBtn:hover{background:var(--blue-dark)}.footer{border-top:1px solid var(--line);padding:28px 0;color:#7d8896;font-size:11px}.footerIn{display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.links{display:flex;gap:16px;flex-wrap:wrap}.links a:hover{color:var(--blue)}@media(max-width:640px){.wrap{width:calc(100% - 28px)}.header{height:60px}.brand{font-size:13px}main{padding:52px 0 72px}.content{margin-top:42px;gap:34px}.section h2{font-size:20px}}