:root { --ink: #040B1A; --abyss: #08183A; --surface: #0B1D42; --line: rgba(156,193,255,.14); --text: #EAF0FA; --muted: #8FA3C4; --ice: #9CC1FF; --gold: #E3C27A; --blue: #3A73FF; --r: 18px;
  --f: 'Pretendard', 'IBM Plex Sans KR', 'Hiragino Sans', 'Noto Sans JP', system-ui, -apple-system, 'Segoe UI', sans-serif; color-scheme: dark; }
* { box-sizing: border-box; }
html, body { margin: 0; background: radial-gradient(120% 60% at 50% -10%, #12306E 0%, var(--abyss) 42%, var(--ink) 100%) fixed, var(--ink); color: var(--text); font: 16px/1.65 var(--f); }
html:lang(ko) body { word-break: keep-all; overflow-wrap: break-word; }
a { color: var(--ice); }
.wrap { max-width: 760px; margin: 0 auto; padding: 20px 16px 56px; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 4px 0 20px; }
.brand { display: inline-flex; align-items: center; gap: 8px; color: var(--text); text-decoration: none; font-weight: 700; letter-spacing: -.01em; }
.brand img { width: 28px; height: 28px; }
.langs { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; }
.langs a { font-size: 12.5px; color: var(--muted); text-decoration: none; padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; }
.langs a.on { color: var(--text); border-color: var(--ice); }
h1 { font-size: clamp(26px, 6vw, 34px); line-height: 1.25; margin: 8px 0 6px; letter-spacing: -.015em; text-wrap: balance; }
h2 { font-size: 18px; margin: 30px 0 8px; }
p, li { color: #C9D6EC; text-wrap: pretty; }
.updated { color: var(--muted); font-size: 14px; margin: 0 0 18px; }
.intro { font-size: 16px; }
ul, ol { padding-left: 1.2em; }
li { margin: 4px 0; }
.tbl { width: 100%; border-collapse: collapse; margin: 10px 0 14px; font-size: 14px; }
.tbl th, .tbl td { text-align: left; vertical-align: top; padding: 10px 10px; border-bottom: 1px solid var(--line); }
.tbl th { color: var(--muted); font-weight: 600; font-size: 13px; }
@media (max-width: 640px) {
  .tbl thead { display: none; }
  .tbl, .tbl tbody, .tbl tr, .tbl td { display: block; width: 100%; }
  .tbl tr { border: 1px solid var(--line); border-radius: 14px; padding: 8px 12px; margin: 10px 0; background: rgba(11,29,66,.5); }
  .tbl td { border: 0; padding: 4px 0; }
  .tbl td::before { content: attr(data-label); display: block; font-size: 12px; color: var(--muted); }
}
.foot { margin-top: 44px; padding-top: 16px; border-top: 1px solid var(--line); font-size: 13px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 6px 14px; }
.foot a { color: var(--muted); }
/* landing */
.hero { text-align: center; padding: 10px 0 8px; }
.hero .logo { width: min(460px, 92%); height: auto; display: block; margin: 0 auto 6px; }
.hero p.lead { max-width: 34em; margin: 4px auto 22px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 52px; padding: 0 26px; border-radius: 14px; font: 600 16px var(--f); border: 0; cursor: pointer; text-decoration: none; }
.btn.primary { background: linear-gradient(180deg, #4C82FF, var(--blue)); color: #fff; box-shadow: 0 14px 30px -14px rgba(58,115,255,.9); }
.card { background: rgba(11,29,66,.7); border: 1px solid var(--line); border-radius: 22px; padding: 22px 18px; margin: 22px auto 0; max-width: 460px; }
.card h2 { margin: 0 0 4px; text-align: center; }
.card p { text-align: center; margin: 0 0 14px; }
.field { width: 100%; min-height: 50px; border-radius: 12px; border: 1px solid rgba(156,193,255,.28); background: rgba(4,11,26,.55); color: var(--text); font: 16px var(--f); padding: 0 14px; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: 13.5px; color: #C9D6EC; margin: 12px 0 14px; text-align: left; }
.check input { margin-top: 4px; width: 18px; height: 18px; flex: none; accent-color: var(--blue); }
.card .btn { width: 100%; }
.msg { min-height: 1.4em; font-size: 14px; text-align: center; margin-top: 10px; color: var(--gold); }
.msg.err { color: #FF8A93; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.qr { display: none; margin: 18px auto 0; text-align: center; color: var(--muted); font-size: 14px; }
.qr img { width: 150px; height: 150px; border-radius: 12px; background: #fff; padding: 8px; display: block; margin: 0 auto 8px; }
body.desktop .qr { display: block; }
.share { margin-top: 12px; background: transparent; color: var(--ice); border: 1px solid rgba(156,193,255,.35); }