:root{font-family:Inter,Segoe UI,system-ui,sans-serif;color:#17314d;background:#f3f6fa;font-synthesis:none}*{box-sizing:border-box}body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 90% 0%,#dbe8f8 0,transparent 48%),#f3f6fa}.signin-shell{width:min(100% - 40px,510px);margin:0 auto;padding:clamp(48px,12vh,124px) 0 32px}.brand{display:flex;align-items:center;gap:14px;font-size:11px;font-weight:700;letter-spacing:1.5px;margin:0 0 28px 5px;color:#486078}.brand-mark{display:grid;place-items:center;background:#184c7f;color:white;border-radius:8px;width:49px;height:40px;letter-spacing:0;font-size:15px}.brand-divider{color:#94a6b9;padding:0 6px}.signin-card{background:white;border:1px solid #dce4ed;border-radius:18px;padding:44px 38px 30px;box-shadow:0 20px 60px #1639560b}.eyebrow{font-size:11px;font-weight:750;letter-spacing:1.8px;color:#4c7399;margin-bottom:17px}h1{font-size:clamp(29px,5vw,36px);line-height:1.18;letter-spacing:-1px;margin:0 0 16px;font-weight:650}.intro{font-size:16px;line-height:1.65;color:#607084;margin:0 0 32px;max-width:355px}.signin-button{display:flex;align-items:center;justify-content:center;gap:12px;background:#174f84;color:white;border-radius:8px;text-decoration:none;font-size:14px;font-weight:600;padding:16px 12px;min-height:54px;transition:background .15s}.signin-button:hover{background:#103e6a}.signin-button:focus-visible{outline:3px solid #4d8bc3;outline-offset:4px}.signin-button>span:last-child{margin-left:auto;font-size:20px}.microsoft-mark{display:grid;grid-template-columns:repeat(2,7px);gap:2px;margin-right:auto}.microsoft-mark i{display:block;width:7px;height:7px;background:white}.signin-help{font-size:12px;color:#68788b;line-height:1.7;margin:17px 3px 27px}.access-note{display:flex;gap:12px;border-top:1px solid #e6ebf1;padding-top:22px;color:#748397}.access-note p{margin:0;line-height:1.65;font-size:12px}.lock{color:#6c8bab;margin-top:2px}.account{font-size:13px;line-height:1.6;overflow-wrap:anywhere;color:#536981}.notice{font-size:13px;line-height:1.6;background:#fff7e7;border:1px solid #ecd7ac;padding:12px;border-radius:7px;color:#755319}footer{display:flex;justify-content:space-between;gap:15px;margin:25px 6px;color:#7b8b9d;font-size:11px}@media(max-width:480px){.signin-card{padding:32px 24px 24px}.brand{font-size:9px;letter-spacing:1px}.signin-button{font-size:12px}footer{font-size:10px}}