:root{color-scheme:light;font:17px/1.65 system-ui;color:#45283f;background:#fcf6f3}*{box-sizing:border-box}body{margin:0}header,main,footer{max-width:780px;margin:auto;padding:24px}header{border-bottom:1px solid #eadce1}nav{display:flex;gap:18px;flex-wrap:wrap}a{color:#8b3650}h1{font-size:clamp(2rem,6vw,3.5rem);line-height:1.15}h2{line-height:1.3;margin-top:32px}section,.notice{background:white;border:1px solid #eadce1;border-radius:18px;padding:22px;margin:20px 0}.notice{background:#f1e5ea}label{display:block;margin:18px 0 5px}input,button{font:inherit;padding:12px;border-radius:10px;border:1px solid #b89aa9;max-width:100%}input:not([type=checkbox]){width:100%}button{color:white;background:#9f3f5b;cursor:pointer;margin-top:18px}button:disabled{opacity:.55}footer{font-size:.88rem;border-top:1px solid #eadce1}.price{font-size:1.5rem;font-weight:800}#result{white-space:pre-wrap}small{font-size:.86rem}