:root{
  --bg:#f6f7fb;--surface:#fff;--ink:#12142b;--muted:#5d6280;--line:#e3e6f0;
  --brand:#4f46e5;--brand-ink:#fff;--brand-soft:#eceafe;--accent:#12b886;
  --good:#12b886;--warn:#f59f00;--bad:#e03131;--good-soft:#e6f8f1;--warn-soft:#fff4dc;--bad-soft:#fdeaea;
  --radius:14px;--shadow:0 1px 2px rgba(18,20,43,.06),0 8px 24px rgba(18,20,43,.06);
}
@media (prefers-color-scheme:dark){:root:not([data-theme=light]){
  --bg:#0e1020;--surface:#171a31;--ink:#eef0ff;--muted:#a3a8cc;--line:#2a2e50;
  --brand:#7c74ff;--brand-ink:#0e1020;--brand-soft:#242255;--good-soft:#0f3a2e;--warn-soft:#3d3010;--bad-soft:#431a1a;--shadow:none}}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.6 "Pretendard","Noto Sans KR",system-ui,-apple-system,"Segoe UI",sans-serif}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.25;margin:0 0 .5em}h1{font-size:2rem}h2{font-size:1.35rem}h3{font-size:1.05rem}
p{margin:0 0 1em}small,.muted{color:var(--muted)}
.wrap{max-width:1120px;margin:0 auto;padding:0 16px}
.top{background:var(--surface);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:20px;height:64px}
.logo{font-weight:800;font-size:1.25rem;color:var(--ink);letter-spacing:-.02em}.logo b{color:var(--brand)}
.top nav{display:flex;gap:18px;margin-left:auto;align-items:center;flex-wrap:wrap}
.top nav a{color:var(--ink);font-weight:500}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--brand);background:var(--brand);color:var(--brand-ink);
  padding:10px 18px;border-radius:10px;font:inherit;font-weight:600;cursor:pointer;min-height:44px;text-decoration:none}
.btn:hover{filter:brightness(1.06);text-decoration:none}
.btn.ghost{background:transparent;color:var(--brand)}
.btn.danger{background:transparent;border-color:var(--bad);color:var(--bad)}
.btn.small{padding:6px 12px;min-height:34px;font-size:.9rem}
.btn:disabled{opacity:.5;cursor:not-allowed}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}
.grid{display:grid;gap:16px}.g2{grid-template-columns:repeat(2,1fr)}.g3{grid-template-columns:repeat(3,1fr)}
@media(max-width:820px){.g2,.g3{grid-template-columns:1fr}}
.hero{padding:64px 0 48px;text-align:center}
.hero h1{font-size:clamp(1.9rem,5vw,3rem);letter-spacing:-.03em}
.hero p{max-width:640px;margin:0 auto 24px;color:var(--muted);font-size:1.1rem}
.urlform{display:flex;gap:8px;max-width:620px;margin:0 auto;flex-wrap:wrap}
.urlform input{flex:1 1 260px}
input[type=text],input[type=email],input[type=password],input[type=url]{width:100%;padding:12px 14px;border:1px solid var(--line);border-radius:10px;
  font:inherit;background:var(--surface);color:var(--ink);min-height:46px}
input:focus-visible,.btn:focus-visible,a:focus-visible,button:focus-visible{outline:3px solid var(--brand);outline-offset:2px}
label{display:block;font-weight:600;margin:0 0 6px}
.field{margin-bottom:14px}
.alert{padding:12px 14px;border-radius:10px;margin:0 0 16px;border:1px solid transparent}
.alert.err{background:var(--bad-soft);border-color:var(--bad);color:var(--bad)}
.alert.ok{background:var(--good-soft);border-color:var(--good)}
.alert.info{background:var(--brand-soft)}
.pill{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.8rem;font-weight:700;background:var(--brand-soft);color:var(--brand)}
.pill.good{background:var(--good-soft);color:var(--good)}.pill.warn{background:var(--warn-soft);color:#b36b00}.pill.bad{background:var(--bad-soft);color:var(--bad)}
.shell{display:grid;grid-template-columns:230px 1fr;gap:24px;padding:24px 0}
@media(max-width:820px){.shell{grid-template-columns:1fr}}
.side{display:flex;flex-direction:column;gap:6px}
.side a{padding:10px 14px;border-radius:10px;color:var(--ink);font-weight:500}
.side a.on,.side a:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.side .usage{margin-top:12px;font-size:.9rem}
.bar{height:8px;background:var(--line);border-radius:99px;overflow:hidden}.bar>i{display:block;height:100%;background:var(--brand)}
.score{position:relative;width:150px;height:150px;flex:none}
.score svg{transform:rotate(-90deg)}
.score .num{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center}
.score .num b{font-size:2.6rem;line-height:1}.score .num span{font-size:.85rem;color:var(--muted)}
.ring-bg{stroke:var(--line)}.ring{transition:stroke-dashoffset .6s}
.good{color:var(--good)}.warn{color:var(--warn)}.bad{color:var(--bad)}
.row{display:flex;gap:16px;align-items:center;flex-wrap:wrap}.between{justify-content:space-between}
.sitecard{display:flex;gap:16px;align-items:center}
.sitecard .meta{flex:1;min-width:0}.sitecard .meta b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.mini{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.3rem;border:6px solid var(--line)}
.mini.good{border-color:var(--good)}.mini.warn{border-color:var(--warn)}.mini.bad{border-color:var(--bad)}
.spark{width:100%;max-width:280px;height:56px}.spark polyline{fill:none;stroke:var(--brand);stroke-width:2.5;stroke-linejoin:round;stroke-linecap:round}
.cat .bar{margin:6px 0 2px}
.issue{border-left:5px solid var(--warn);padding:12px 16px;background:var(--surface);border-radius:10px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:10px}
.issue.fail{border-left-color:var(--bad)}.issue h3{margin:0 0 4px}.issue p{margin:0 0 6px}
.lock{position:relative;text-align:center;padding:24px;border:2px dashed var(--line);border-radius:var(--radius);background:var(--brand-soft)}
.risk{background:var(--warn-soft);border:1px solid var(--warn);border-radius:var(--radius);padding:16px 20px;font-weight:600}
.risk.ok{background:var(--good-soft);border-color:var(--good)}
.facts{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px}
.fact{background:var(--bg);border-radius:10px;padding:10px 12px}.fact small{display:block}.fact b{word-break:break-all}
.fact.none b{color:var(--bad)}
pre.code{background:#0e1020;color:#e6e9ff;padding:16px;border-radius:12px;overflow:auto;font:13px/1.5 ui-monospace,Menlo,Consolas,monospace;max-height:340px}
details>summary{cursor:pointer;font-weight:700;padding:8px 0}
table{width:100%;border-collapse:collapse}th,td{text-align:left;padding:10px 8px;border-bottom:1px solid var(--line)}th{color:var(--muted);font-weight:600;font-size:.9rem}
.price{font-size:2.2rem;font-weight:800;letter-spacing:-.03em}.price small{font-size:1rem;font-weight:500}
.plan.hot{border:2px solid var(--brand)}
.plan ul{padding-left:1.2em;margin:12px 0}.plan li{margin-bottom:6px}
.social{display:grid;gap:10px;margin:12px 0}
.social a{display:flex;align-items:center;justify-content:center;gap:8px;padding:12px;border:1px solid var(--line);border-radius:10px;font-weight:600;color:var(--ink);background:var(--surface);min-height:46px}
.social a:hover{text-decoration:none;border-color:var(--brand)}
.social a.kakao{background:#fee500;border-color:#fee500;color:#191919}.social a.naver{background:#03c75a;border-color:#03c75a;color:#fff}
.social a.apple{background:#000;border-color:#000;color:#fff}
.divider{display:flex;align-items:center;gap:12px;color:var(--muted);margin:16px 0}.divider:before,.divider:after{content:"";flex:1;height:1px;background:var(--line)}
.authbox{max-width:440px;margin:40px auto}
footer.site{border-top:1px solid var(--line);margin-top:48px;padding:28px 0;color:var(--muted);font-size:.85rem}
footer.site a{color:var(--muted)}
.legal h2{margin-top:1.6em}
.steps{counter-reset:s;list-style:none;padding:0;display:grid;gap:12px}
.steps li{counter-increment:s;display:flex;gap:12px;align-items:flex-start}
.steps li:before{content:counter(s);flex:none;width:30px;height:30px;border-radius:50%;background:var(--brand);color:var(--brand-ink);display:flex;align-items:center;justify-content:center;font-weight:700}