:root{font-family: 'Hiragino Kaku Gothic ProN','Noto Sans JP',system-ui,sans-serif;color:#3d332c;background:#f4f0e8}*{box-sizing:border-box}body{margin:0;min-height:100vh;display:grid;place-items:center;padding:25px;background:radial-gradient(ellipse at top,#fffdf8,#eee7da)}.card{width:min(100%,620px);padding:clamp(24px,6vw,60px);text-align:center;background:#fffdf9;border:1px solid #d9c8a5;box-shadow:0 16px 60px #6c573b18;position:relative}.card:before{content:"";position:absolute;inset:9px;border:1px solid #eadfca;pointer-events:none}.eyebrow,footer{font-size:10px;letter-spacing:.24em;color:#a38b60}.seal{font-size:31px;color:#b49b6a;margin:27px 0 12px}h1{font-family:Georgia,'Yu Mincho',serif;font-weight:400;font-size:clamp(24px,5vw,34px);line-height:1.5;margin:0 0 15px}.sub{font-size:13px;line-height:2;color:#867c6c;margin-bottom:35px}form{text-align:left;max-width:360px;margin:auto}label{display:block;font-size:12px;margin-bottom:10px}input{width:100%;border:1px solid #d7cbb6;border-radius:2px;background:#fff;padding:15px;font-size:16px;outline-color:#b49b6a}button{display:block;width:100%;max-width:360px;margin:17px auto 0;padding:15px;border:0;background:#65543c;color:white;cursor:pointer;font-size:13px;letter-spacing:.1em}button:hover{background:#4c3d2b}.secondary{background:transparent;color:#65543c;border:1px solid #d7cbb6}#error{min-height:1.5em;font-size:12px;color:#a53c31}#art{display:block;width:100%;max-width:450px;max-height:60vh;object-fit:contain;margin:25px auto}#message{font-size:15px;line-height:2;white-space:pre-wrap;margin:20px 0 35px}footer{margin-top:42px}