:root{--bg:#ffffff;--bg-soft:#f4f6f7;--bg-tint:#eef7f3;--card:#ffffff;--card-2:#fbfcfc;--ink:#16181b;--ink-soft:#4a4f56;--ink-faint:#868d96;--ink-dim:#aeb4bb;--line:#e9ebee;--line-2:#dfe2e6;--accent:#159c74;--accent-deep:#0f7e5d;--accent-ink:#ffffff;--accent-tint:#e7f4ef;--danger:#c0392b;--danger-tint:#fbecea;--warn:#b8860b;--dark:#16201d;--radius:18px;--radius-sm:12px;--radius-lg:28px;--radius-pill:999px;--maxw:940px;--shadow-sm:0 1px 2px rgba(20,30,40,.04),0 4px 12px -6px rgba(20,30,40,.10);--shadow:0 1px 2px rgba(20,30,40,.05),0 18px 40px -22px rgba(20,30,40,.22);--sans:"Pretendard",-apple-system,BlinkMacSystemFont,"Segoe UI","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;--mono:"Space Mono",ui-monospace,SFMono-Regular,Menlo,monospace;--t-fast:200ms cubic-bezier(.2,.7,.2,1)}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}h1,h2,h3,h4,h5{margin:0;font-weight:700;letter-spacing:-.02em;line-height:1.2;text-wrap:balance}p{text-wrap:pretty}p,ul{margin:0}ul{padding:0;list-style:none}.wrap{width:min(100% - 40px,var(--maxw));margin-inline:auto}.eyebrow{display:inline-block;font:700 12px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}.muted{color:var(--ink-faint)}.section{padding:44px 0}.page-head{padding:56px 0 8px}.page-head h1{font-size:clamp(28px,5vw,40px);margin-bottom:10px}.page-head .lead{color:var(--ink-soft);font-size:17px;max-width:60ch}.stack{gap:8px}.stack,.stack-lg{display:flex;flex-direction:column}.stack-lg{gap:28px}.masthead{position:-webkit-sticky;position:sticky;top:0;z-index:20;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}.masthead .wrap{justify-content:space-between;height:62px;gap:16px}.brand,.masthead .wrap{display:flex;align-items:center}.brand{gap:9px;font-weight:700;letter-spacing:-.02em}.brand .mark{width:26px;height:26px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font:700 14px var(--mono)}.brand .tag{color:var(--accent);font:700 12px var(--mono);letter-spacing:.1em;text-transform:uppercase;margin-left:2px}.nav{display:flex;align-items:center;gap:4px}.nav a{padding:8px 12px;border-radius:var(--radius-pill);font-size:14.5px;color:var(--ink-soft)}.nav a:hover{color:var(--accent);background:var(--accent-tint)}@media (max-width:620px){.nav a{padding:8px 9px;font-size:13.5px}.masthead .wrap{height:56px}}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:12px 20px;border-radius:var(--radius-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:var(--t-fast)}.btn-primary{background:var(--accent);color:var(--accent-ink)}.btn-primary:hover{background:var(--accent-deep)}.btn-ghost{background:var(--card);color:var(--ink);border-color:var(--line-2)}.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}.btn:disabled{opacity:.55;cursor:not-allowed}.hero{padding:64px 0 24px}.hero h1{font-size:clamp(32px,6vw,48px);margin:14px 0 12px}.hero p{color:var(--ink-soft);font-size:18px;max-width:54ch}.cards{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:18px;gap:18px}@media (max-width:760px){.cards{grid-template-columns:1fr}}.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow-sm);transition:var(--t-fast)}.card:hover{border-color:var(--accent);box-shadow:var(--shadow);transform:translateY(-2px)}.card h3{font-size:18px;margin-bottom:6px}.card p{color:var(--ink-faint);font-size:14.5px}.card .ic{width:40px;height:40px;border-radius:11px;background:var(--accent-tint);color:var(--accent-deep);display:grid;place-items:center;margin-bottom:14px}.faq{border-top:1px solid var(--line)}.faq details{border-bottom:1px solid var(--line);padding:6px 0}.faq summary{cursor:pointer;list-style:none;padding:16px 4px;font-weight:600;font-size:16px;display:flex;justify-content:space-between;gap:12px}.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";color:var(--accent);font:700 20px var(--mono)}.faq details[open] summary:after{content:"–"}.faq .ans{padding:0 4px 18px;color:var(--ink-soft);font-size:15px}.notice-list{border-top:1px solid var(--line)}.notice-item{display:flex;gap:16px;align-items:baseline;padding:18px 4px;border-bottom:1px solid var(--line)}.notice-item time{color:var(--ink-dim);font:500 13px var(--mono);white-space:nowrap}.notice-item .t{font-weight:600}.notice-item .d{color:var(--ink-faint);font-size:14.5px;margin-top:3px}.form{gap:18px;max-width:620px}.field,.form{display:flex;flex-direction:column}.field{gap:7px}.field label{font-size:14px;font-weight:600;color:var(--ink-soft)}.field .hint{font-size:12.5px;color:var(--ink-dim)}.field input,.field select,.field textarea{font-family:inherit;font-size:15px;color:var(--ink);padding:12px 14px;border:1px solid var(--line-2);border-radius:var(--radius-sm);background:var(--card);transition:var(--t-fast);width:100%}.field textarea{min-height:140px;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-tint)}.callout{border:1px solid var(--line-2);background:var(--bg-soft);border-radius:var(--radius);padding:20px 22px}.callout.warn{background:var(--danger-tint);border-color:#eecfca}.callout.accent{background:var(--accent-tint);border-color:#cfe8de}.callout h4{font-size:15px;margin-bottom:6px}.callout p{font-size:14px;color:var(--ink-soft)}.badge{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:var(--radius-pill);font:600 12px var(--mono)}.badge.open{background:var(--accent-tint);color:var(--accent-deep)}.badge.waiting{background:#fdf3e0;color:var(--warn)}.badge.resolved{color:var(--ink-faint)}.badge.resolved,.footer{background:var(--bg-soft)}.footer{margin-top:40px;border-top:1px solid var(--line);padding:40px 0 48px}.footer .wrap{display:flex;flex-wrap:wrap;gap:14px 28px;justify-content:space-between;align-items:center}.footer .links{display:flex;flex-wrap:wrap;gap:16px;font-size:14px}.footer .links a{color:var(--ink-soft)}.footer .links a:hover{color:var(--accent)}.footer .copy{color:var(--ink-dim);font-size:13px}