:root{color-scheme:light;--ink:#252335;--muted:#696578;--accent:#6b50ce;--line:#e5e0ef;--surface:#fff;--bg:#f7f5fc}*{box-sizing:border-box}body{margin:0;color:var(--ink);background:var(--bg);font:15px/1.7 Pretendard,system-ui,sans-serif;word-break:keep-all}header,main,footer{max-width:960px;margin:auto;padding:24px}header{display:flex;justify-content:space-between;align-items:center}a{color:var(--accent);text-underline-offset:4px}.brand{font-weight:750;font-size:22px;text-decoration:none;color:var(--ink)}h1{font-size:28px;margin:12px 0}h2{font-size:20px}p{color:var(--muted)}section{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:28px;margin:20px 0}label{display:block;margin:14px 0}input[type=email],input[type=text]{display:block;width:100%;max-width:460px;min-height:44px;border:1px solid #b7aecb;border-radius:10px;padding:10px 12px;font:inherit;margin-top:6px}input[type=checkbox]{margin-right:8px}button,.button{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 18px;margin:8px 8px 8px 0;background:var(--accent);border:1px solid transparent;border-radius:10px;color:white;text-decoration:none;font:inherit;cursor:pointer}button.secondary{color:var(--accent);background:white;border-color:var(--line)}button:disabled{opacity:.6;cursor:wait}button:focus-visible,a:focus-visible,input:focus-visible{outline:3px solid #9e8ade;outline-offset:3px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.stats div{padding:16px;background:var(--bg);border-radius:12px}.stats dt{font-size:13px;color:var(--muted)}.stats dd{font-size:22px;font-weight:700;margin:6px 0 0}.history{list-style:none;padding:0}.history li{display:flex;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:12px 0}.notice{font-size:14px}#error{color:#9e2538}footer{text-align:center;font-size:13px}footer a{margin:0 10px}[hidden]{display:none!important}@media(max-width:600px){header,main,footer{padding:16px}section{padding:20px}.stats{grid-template-columns:1fr}.history li{display:block}}