:root{--paper:#f3ead6;--card:#fbf6e8;--ink:#1c2a44;--mute:#625f55;--line:#d9cdb0;--stamp:#b8402c;
--serif:"Iowan Old Style","Palatino Linotype",Palatino,"Noto Serif KR","Noto Serif JP","Noto Serif SC","Hiragino Mincho ProN","Songti SC",Georgia,serif;
--sans:system-ui,-apple-system,"Segoe UI","Noto Sans KR","Hiragino Sans","PingFang SC",sans-serif}
@media(prefers-color-scheme:dark){:root{--paper:#16130f;--card:#1f1b15;--ink:#efe6d0;--mute:#a9a18c;--line:#3a3328;--stamp:#e0674f}}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:17px/1.65 var(--sans)}
.wrap{max-width:880px;margin:0 auto;padding:16px}
nav{display:flex;justify-content:space-between;align-items:center;padding:6px 0}
.logo{display:flex;gap:8px;align-items:center;font:700 20px var(--serif);color:var(--ink);text-decoration:none}
select{background:var(--card);color:var(--ink);border:1.5px solid var(--line);border-radius:8px;padding:8px 10px;min-height:44px;font:inherit}
.hero{padding:7vh 0 4vh}.kick{font:600 13px var(--sans);letter-spacing:.12em;text-transform:uppercase;color:var(--stamp);margin:0 0 10px}
h1{font:700 clamp(34px,7vw,60px)/1.08 var(--serif);letter-spacing:-.02em;margin:0 0 16px;max-width:18em;text-wrap:balance}
.lede{font-size:19px;color:var(--mute);max-width:46ch;margin:0 0 24px}
.btn{display:inline-flex;align-items:center;min-height:48px;padding:0 24px;border-radius:8px;background:var(--ink);color:var(--paper);font-weight:700;text-decoration:none;border:2px solid var(--ink)}
.btn.ghost{background:transparent;color:var(--ink)}.btn:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible{outline:3px solid var(--stamp);outline-offset:2px}
.fine{font-size:14px;color:var(--mute);margin-left:8px}
.demo{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;max-width:420px;margin-top:36px;transform:rotate(-1.5deg)}
.c{aspect-ratio:1;border-radius:50%;border:2px dashed var(--line);display:grid;place-items:center;font:600 12px var(--sans);color:var(--mute)}
.c.on{border:2.5px solid var(--stamp);color:var(--stamp);font-family:var(--serif);font-weight:700;position:relative}
.c.on:nth-child(odd){transform:rotate(-7deg)}.c.on:nth-child(even){transform:rotate(5deg)}
.c.on::after{content:"";position:absolute;inset:3px;border:1px solid var(--stamp);border-radius:50%;opacity:.5}
.c.n{border:2px solid var(--ink);color:var(--ink)}
h2{font:700 30px/1.2 var(--serif);margin:56px 0 16px;letter-spacing:-.01em}h3{font:700 19px var(--serif);margin:0 0 4px}
.steps{padding-left:1.2em;max-width:56ch}.steps li{margin:8px 0}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px;border-top:1.5px solid var(--line);padding-top:24px}
.grid3 p{color:var(--mute);margin:0}
.plans{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.plan{background:var(--card);border:1.5px solid var(--line);border-radius:12px;padding:20px}
.plan.pro{border-color:var(--ink);box-shadow:4px 4px 0 var(--line)}.amt{font:700 40px var(--serif);margin:0}
.plan ul{padding-left:1.1em;margin:12px 0 18px}.plan li{margin:4px 0}
details{border-top:1.5px solid var(--line);padding:12px 0}summary{cursor:pointer;font-weight:700;min-height:32px}details p{color:var(--mute);margin:8px 0 0;max-width:60ch}
footer{margin:56px 0 24px;color:var(--mute);font-size:14px}footer a{color:var(--mute)}
@media(max-width:640px){.grid3,.plans{grid-template-columns:1fr}.fine{display:block;margin:10px 0 0}}