:root{--ink:#2B2F36;--sub:#5b626d;--line:#e3e7ec;--bg:#f6f7f9;--card:#fff;--sage:#5E9A78;--sage-l:#E3F0E7;--sky:#7FB2DA;--sky-l:#E2EFF8;--coral:#E06B55;--coral-l:#FBE3DC;--code:#1f2329}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:56px}
body{margin:0;background:var(--bg);color:var(--ink);font-family:Pretendard,-apple-system,"Malgun Gothic",sans-serif;line-height:1.65;font-size:16px;word-break:keep-all;overflow-wrap:anywhere}
.wrap{max-width:860px;margin:0 auto;padding:0 16px}
.hero{background:var(--ink);color:#fff;padding:36px 0 30px}
.eyebrow{margin:0 0 10px;font-size:13px;opacity:.75}
.hero h1{margin:0 0 12px;font-size:28px;line-height:1.3;letter-spacing:-.5px}
.lead{margin:0;font-size:15.5px;opacity:.92}
.tabs{position:sticky;top:0;z-index:5;background:#fff;border-bottom:1px solid var(--line)}
.tabs .wrap{display:flex;gap:6px;overflow-x:auto;padding:8px 16px;scrollbar-width:none}
.tabs a{flex:0 0 auto;font-size:14px;text-decoration:none;color:var(--ink);border:1px solid var(--line);border-radius:999px;padding:5px 12px;background:#fff}
section{padding:26px 0 6px}
h2{font-size:22px;margin:0 0 6px;letter-spacing:-.4px}
.sec-lead{margin:0 0 12px;color:var(--sub);font-size:15px}
.ready{background:var(--sky-l);border-radius:14px;padding:14px 16px;font-size:15px}
.rules{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:12px 0}
@media(max-width:640px){.rules{grid-template-columns:1fr}}
.rule{background:#fff;border:1px solid var(--line);border-left:4px solid var(--coral);border-radius:12px;padding:12px 14px}
.rule span{display:inline-block;width:22px;height:22px;border-radius:50%;background:var(--coral);color:#fff;text-align:center;font-size:13px;line-height:22px;margin-right:6px}
.rule p{margin:4px 0 0;font-size:14px;color:var(--sub)}
.note{font-size:13.5px;color:var(--sub)}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:18px 16px;margin:14px 0;box-shadow:0 2px 0 #CFD8E2}
.head{display:flex;flex-wrap:wrap;align-items:center;gap:6px 8px}
.head h3{flex-basis:100%;margin:4px 0 0;font-size:19px;line-height:1.4;letter-spacing:-.3px}
.card>h3{margin:0;font-size:19px}
.num{font-size:13px;font-weight:700;color:#fff;background:var(--ink);border-radius:8px;padding:2px 9px}
.where{font-size:12.5px;background:var(--sage-l);border-radius:999px;padding:2px 9px}
.sub{margin:6px 0 10px;color:var(--sub);font-size:15px}
.lbl{margin:12px 0 6px;font-size:13.5px;font-weight:700;color:var(--sub)}
.pbox{position:relative}
pre{white-space:pre-wrap;word-break:keep-all;overflow-wrap:anywhere;background:var(--code);color:#f2f4f7;border-radius:12px;padding:44px 14px 14px;margin:0;font-family:Pretendard,monospace;font-size:14.5px;line-height:1.7}
.copy{position:absolute;top:8px;right:8px;background:var(--sky);color:#fff;border:0;border-radius:8px;padding:6px 14px;font-weight:700;font-size:14px;cursor:pointer;font-family:inherit}
.copy.ok{background:var(--sage)}
.see{background:var(--sky-l);border-radius:10px;padding:10px 12px;font-size:14.5px;margin:10px 0 0}
.check{background:var(--coral-l);border-radius:10px;padding:10px 12px;font-size:14.5px;margin:12px 0 0}
.check b{display:block;color:var(--coral);font-size:13px}
details{margin-top:10px;border:1px solid var(--line);border-radius:10px;padding:8px 12px;background:#fff}
summary{cursor:pointer;font-weight:700;font-size:14.5px}
details[open] summary{margin-bottom:8px}
.answer p{margin:0;font-size:15px}
.six{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}
@media(max-width:640px){.six{grid-template-columns:1fr 1fr}}
.six div{background:var(--bg);border-radius:10px;padding:10px}
.six span{font-size:12.5px;font-weight:700;color:var(--sage)}
.six b{display:block;font-size:14.5px}
.six p{margin:4px 0 0;font-size:13.5px;color:var(--sub)}
.week{width:100%;border-collapse:collapse;background:#fff;border-radius:12px;overflow:hidden;border:1px solid var(--line)}
.week th,.week td{padding:10px;border-bottom:1px solid var(--line);font-size:15px;text-align:left;vertical-align:top}
.week th{width:42px;background:var(--sage-l)}
.week td.u{width:70px;font-size:13px;color:var(--sub)}
footer{margin-top:30px;background:#fff;border-top:1px solid var(--line);padding:22px 0 40px}
footer p{margin:0 0 6px;font-weight:700}
footer .small{font-weight:400;font-size:13px;color:var(--sub)}
a{color:#2e6fa8}