:root{--bg:#f6f8fb;--card:#fff;--ink:#17212b;--mute:#566474;--line:#dbe2ea;--brand:#0b5fd7;--brand2:#e8f0fd;--warn:#fff6e0;--warnline:#e8c25b;--ok:#e9f7ef;--bad:#fdecec}
*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}
body{margin:0;font:16px/1.7 -apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;color:var(--ink);background:var(--bg);word-break:keep-all;overflow-wrap:anywhere}
a{color:var(--brand)}a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible{outline:3px solid #7aa7f0;outline-offset:2px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}
header.site{background:#fff;border-bottom:1px solid var(--line)}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px 16px;padding:10px 0}
.brand{font-weight:800;font-size:1.05rem;color:var(--ink);text-decoration:none}
nav.main{display:flex;flex-wrap:wrap;gap:4px 12px;font-size:.92rem}
nav.main a{text-decoration:none;color:var(--mute);padding:4px 2px}nav.main a[aria-current="page"]{color:var(--brand);font-weight:700}
main{padding:20px 0 40px}
h1{font-size:1.55rem;line-height:1.35;margin:.2em 0 .4em}h2{font-size:1.2rem;margin:1.6em 0 .5em;line-height:1.4}h3{font-size:1.05rem;margin:1.2em 0 .4em}
.lead{color:var(--mute);margin:.2em 0 1em}
.crumb{font-size:.85rem;color:var(--mute)}.crumb a{color:var(--mute)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:14px 0}
.tool{border-color:#b8cdf0;box-shadow:0 1px 0 #cfe0fb}
.grid{display:grid;grid-template-columns:1fr;gap:12px}
@media(min-width:620px){.grid.two{grid-template-columns:1fr 1fr}.grid.three{grid-template-columns:repeat(3,1fr)}}
label{display:block;font-weight:600;font-size:.93rem;margin-bottom:4px}
.hint{font-weight:400;color:var(--mute);font-size:.82rem;display:block;margin-top:2px}
input[type=text],input[type=date],select{width:100%;min-height:46px;padding:9px 11px;border:1px solid #b9c4d1;border-radius:8px;font:inherit;background:#fff}
.chk{display:flex;gap:8px;align-items:flex-start;font-weight:500}.chk input{width:20px;height:20px;margin-top:3px;flex:none}
button.go,a.btn{display:inline-block;min-height:46px;padding:10px 18px;border:0;border-radius:8px;background:var(--brand);color:#fff;font:inherit;font-weight:700;cursor:pointer;text-decoration:none}
button.ghost{min-height:46px;padding:10px 14px;border:1px solid var(--brand);border-radius:8px;background:#fff;color:var(--brand);font:inherit;font-weight:600;cursor:pointer}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
.result{margin-top:14px}
.res-empty{color:var(--mute);background:var(--brand2);border-radius:8px;padding:12px}
.res-main{background:var(--brand2);border:1px solid #b8cdf0;border-radius:10px;padding:14px}
.res-main .big{font-size:1.7rem;font-weight:800;line-height:1.3;color:#0a3f94}
.res-main .sub{color:var(--mute);font-size:.9rem}
.res-bad{background:var(--bad);border:1px solid #efb4b4;border-radius:10px;padding:12px;margin-top:10px}
.res-ok{background:var(--ok);border:1px solid #a9d9bd;border-radius:10px;padding:12px;margin-top:10px}
.disc{background:var(--warn);border:1px solid var(--warnline);border-radius:8px;padding:10px 12px;margin-top:12px;font-size:.88rem}
table.t{width:100%;border-collapse:collapse;margin:10px 0;font-size:.92rem}
table.t th,table.t td{border-bottom:1px solid var(--line);padding:7px 6px;text-align:right}
table.t th:first-child,table.t td:first-child{text-align:left}
table.t thead th{background:#eef2f7;font-size:.85rem}
.tscroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
.tscroll table.t{min-width:520px}
.src{background:#fff;border:1px dashed #b5c0cd;border-radius:10px;padding:12px;margin:16px 0;font-size:.88rem}
.src h3{margin:0 0 6px;font-size:.95rem}.src ul{margin:0;padding-left:18px}
.after{margin-top:12px;font-size:.92rem}.after ul{margin:6px 0 0;padding-left:18px}
.tiles{display:grid;grid-template-columns:1fr;gap:10px}@media(min-width:620px){.tiles{grid-template-columns:1fr 1fr}}
.tile{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px;text-decoration:none;color:var(--ink)}
.tile b{display:block;color:var(--brand);margin-bottom:4px}.tile span{color:var(--mute);font-size:.9rem}
.tile:hover{border-color:var(--brand)}
details{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 14px;margin:8px 0}summary{cursor:pointer;font-weight:700}
.rel{display:flex;flex-wrap:wrap;gap:6px 14px;margin:8px 0;padding:0;list-style:none}
footer.site{border-top:1px solid var(--line);background:#fff;padding:18px 0 28px;font-size:.86rem;color:var(--mute)}
footer.site a{color:var(--mute)}footer.site .links{display:flex;flex-wrap:wrap;gap:4px 14px;margin-bottom:8px}
.badge{display:inline-block;background:#eef2f7;border-radius:6px;padding:1px 8px;font-size:.78rem;color:var(--mute)}
.unverified{color:#8a4b00}
ol.steps{padding-left:20px}ol.steps li{margin:6px 0}
@media(max-width:380px){h1{font-size:1.35rem}.res-main .big{font-size:1.45rem}}