:root{
  --ink:#0f1e36; --ink-2:#3a4a63; --ink-3:#5b6b83;
  --paper:#faf8f4; --card:#fff; --line:#e6e1d6;
  --navy:#0f1e36; --navy-2:#1a2f52;
  --accent:#c2410c; --accent-d:#9a3412; --accent-soft:#fdeee3; --accent-light:#fdba74;
  --radius:16px;
  --shadow:0 1px 2px rgba(15,30,54,.06),0 8px 24px rgba(15,30,54,.06);
  --font:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,"Malgun Gothic","맑은 고딕",system-ui,sans-serif;
  color-scheme:light;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;scroll-padding-top:80px}
body{margin:0;font-family:var(--font);font-size:1rem;line-height:1.7;color:var(--ink);background:var(--paper);word-break:keep-all;overflow-wrap:break-word;-webkit-font-smoothing:antialiased}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em;margin:0;text-wrap:balance}
p{margin:0}
a{color:inherit}
ul,ol,dl,dd{margin:0;padding:0;list-style:none}
svg{display:block}
:focus-visible{outline:3px solid var(--accent);outline-offset:3px;border-radius:6px}
.skip{position:absolute;left:12px;top:-56px;background:var(--ink);color:#fff;padding:12px 16px;border-radius:8px;z-index:100;transition:top .2s}
.skip:focus{top:12px}
.wrap{width:min(1120px,100% - 40px);margin-inline:auto}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(250,248,244,.9);-webkit-backdrop-filter:saturate(1.4) blur(10px);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;letter-spacing:-.02em;text-decoration:none}
.brand svg{width:34px;height:34px;flex:none}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a:not(.btn){padding:0 14px;min-height:44px;display:inline-flex;align-items:center;border-radius:10px;text-decoration:none;font-weight:600;color:var(--ink-2);transition:background-color .2s,color .2s}
.nav-links a:not(.btn):hover{background:#efeae0;color:var(--ink)}
.nav-links .btn{min-height:44px;padding:0 18px;margin-left:6px}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:52px;padding:0 26px;border-radius:12px;font-weight:700;font-size:1rem;text-decoration:none;border:1.5px solid transparent;transition:background-color .2s,color .2s,border-color .2s,transform .15s;cursor:pointer}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-d)}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--ink)}
.btn-light:hover{background:var(--accent-soft)}
.btn:active{transform:translateY(1px)}

/* hero */
.hero{padding:clamp(48px,8vw,104px) 0 clamp(56px,8vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(32px,5vw,72px);align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:.875rem;font-weight:700;color:var(--accent-d);background:var(--accent-soft);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero h1{font-size:clamp(2.1rem,5.2vw,3.7rem);font-weight:800;line-height:1.18}
.hero h1 em{font-style:normal;color:var(--accent)}
.lead{margin-top:22px;font-size:clamp(1.05rem,1.6vw,1.2rem);color:var(--ink-2);max-width:32em}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.chips{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:34px;color:var(--ink-3);font-size:.9375rem;font-weight:600}
.chips li{display:flex;align-items:center;gap:8px}
.chips li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent);flex:none}

.stairs-wrap{padding-bottom:0}
.stairs{display:flex;align-items:flex-end;gap:8px;height:clamp(260px,34vw,380px);border-bottom:3px solid var(--ink)}
.stairs li{flex:1;height:var(--h);border-radius:14px 14px 0 0;background:var(--c);color:#fff;padding:14px 8px 0;display:flex;flex-direction:column;gap:2px;align-items:flex-start;animation:rise .7s cubic-bezier(.2,.8,.2,1) both;animation-delay:calc(var(--i)*90ms)}
.stairs b{font-size:.75rem;opacity:.8;font-weight:700;letter-spacing:.04em}
.stairs span{font-size:1rem;font-weight:800}
.stairs-cap{margin-top:14px;text-align:center;color:var(--ink-3);font-size:.9375rem;font-weight:600}
@keyframes rise{from{transform:translateY(36px);opacity:0}to{transform:none;opacity:1}}

/* sections */
.section{padding:clamp(56px,8vw,104px) 0}
.section-alt{background:#fff;border-block:1px solid var(--line)}
.sec-head{max-width:40em;margin-bottom:clamp(28px,4vw,48px)}
.sec-kicker{display:block;font-size:.875rem;font-weight:800;letter-spacing:.08em;color:var(--accent-d);margin-bottom:10px}
.sec-head h2,.split h2{font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800}
.sec-head p{margin-top:14px;color:var(--ink-2);font-size:1.0625rem}

.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,250px),1fr));gap:20px}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:28px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:14px;transition:transform .2s,box-shadow .2s}
.card:hover{transform:translateY(-3px);box-shadow:0 2px 4px rgba(15,30,54,.06),0 14px 32px rgba(15,30,54,.1)}
.ico{width:48px;height:48px;border-radius:12px;background:var(--navy);color:#fff;display:grid;place-items:center}
.ico svg{width:24px;height:24px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.card h3{font-size:1.25rem;font-weight:800}
.card .tag{color:var(--ink-2);font-weight:600}
.ticks{display:grid;gap:8px;margin-top:4px}
.ticks li{position:relative;padding-left:24px;color:var(--ink-2);font-size:.9375rem}
.ticks li::before{content:"";position:absolute;left:2px;top:.62em;width:11px;height:6px;border-left:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:rotate(-45deg)}

/* process: 오른쪽으로 갈수록 높아지는 계단 */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;align-items:end}
.step{background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 26px}
.step:nth-child(1){min-height:200px}
.step:nth-child(2){min-height:240px}
.step:nth-child(3){min-height:280px}
.step:nth-child(4){min-height:320px;background:var(--navy);border-color:var(--navy);color:#fff}
.step .no{font-size:2.4rem;font-weight:800;line-height:1;color:var(--accent);letter-spacing:-.03em}
.step:nth-child(4) .no{color:var(--accent-light)}
.step h3{margin-top:14px;font-size:1.2rem;font-weight:800}
.step p{margin-top:8px;color:var(--ink-2);font-size:.9375rem}
.step:nth-child(4) p{color:#c9d3e3}

/* price */
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(24px,4vw,64px);align-items:start}
.split .body p{margin-top:16px;color:var(--ink-2);font-size:1.0625rem}
.note-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow)}
.note-card h3{font-size:1.1rem;font-weight:800;margin-bottom:14px}
.note-card .ticks li{font-size:1rem}

/* faq */
.faq{max-width:820px;display:grid;gap:12px}
.faq details{background:var(--paper);border:1px solid var(--line);border-radius:14px}
.faq summary{cursor:pointer;list-style:none;position:relative;display:flex;align-items:center;min-height:58px;padding:14px 56px 14px 22px;font-weight:700}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:24px;top:50%;width:9px;height:9px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:translateY(-25%) rotate(-135deg)}
.faq .ans{padding:0 22px 20px;color:var(--ink-2)}
.faq .ans a{color:var(--accent-d);font-weight:600}

/* contact */
.contact{background:var(--navy);color:#fff}
.contact .sec-kicker{color:var(--accent-light)}
.contact h2{color:#fff;font-size:clamp(1.6rem,3.4vw,2.4rem);font-weight:800}
.contact .desc{margin-top:14px;color:#c9d3e3;font-size:1.0625rem;max-width:30em}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,72px);align-items:center}
.contact .hero-cta{margin-top:28px}
.info-list{display:grid}
.info-list li{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14)}
.info-list li:first-child{border-top:1px solid rgba(255,255,255,.14)}
.info-list svg{width:24px;height:24px;flex:none;margin-top:3px;fill:none;stroke:var(--accent-light);stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.info-list small{display:block;color:#9fb0c9;font-size:.8125rem;font-weight:700;letter-spacing:.04em}
.info-list span{font-size:1.0625rem;font-weight:600}
.info-list a{text-decoration:none}
.info-list a:hover{text-decoration:underline}

/* footer */
.site-footer{background:#0a1526;color:#aab6ca;padding:44px 0 52px;font-size:.875rem}
.foot-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px 32px}
.foot-brand{color:#fff}
.foot-brand svg rect{fill:#1a2f52}
.foot-links{display:flex;gap:6px}
.foot-links a{min-height:44px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px;text-decoration:none;color:#c9d3e3}
.foot-links a:hover{background:#15243d;color:#fff}
.biz{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,270px),1fr));gap:8px 32px;margin-top:22px;padding-top:22px;border-top:1px solid #1d2c47}
.biz div{display:flex;gap:12px}
.biz dt{flex:none;min-width:8.6em;color:#8291ac}
.biz dd{color:#c9d3e3}
.copy{margin-top:22px;color:#8291ac}

/* legal pages */
.doc{padding:clamp(40px,7vw,80px) 0 clamp(64px,9vw,112px)}
.doc .inner{max-width:780px}
.doc h1{font-size:clamp(1.8rem,4vw,2.5rem);font-weight:800}
.doc .meta{margin-top:12px;color:var(--ink-3);font-weight:600}
.doc .intro{margin-top:24px;color:var(--ink-2)}
.doc h2{margin-top:40px;font-size:1.2rem;font-weight:800;padding-top:24px;border-top:1px solid var(--line)}
.doc p,.doc li{margin-top:10px;color:var(--ink-2)}
.doc ol.num{list-style:decimal;padding-left:1.4em}
.doc ol.num li{padding-left:.2em}
.doc ul.dot{list-style:disc;padding-left:1.4em}
.doc a{color:var(--accent-d);font-weight:600}
.doc .tbl{width:100%;border-collapse:collapse;margin-top:14px;font-size:.9375rem}
.doc .tbl th,.doc .tbl td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top;background:#fff}
.doc .tbl th{background:#f1ede4;color:var(--ink);font-weight:700;white-space:nowrap}
.back{display:inline-flex;align-items:center;min-height:44px;margin-bottom:12px;font-weight:700;color:var(--accent-d);text-decoration:none}
.back:hover{text-decoration:underline}

/* responsive */
@media (max-width:900px){
  .hero-grid,.split,.contact-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:repeat(2,1fr);align-items:stretch}
  .step,.step:nth-child(n){min-height:0}
}
@media (max-width:760px){
  .nav-links a:not(.btn){display:none}
  .nav-links .btn{margin-left:0}
}
@media (max-width:560px){
  .steps{grid-template-columns:1fr}
  .hero-cta .btn{flex:1 1 100%}
  .biz div{flex-direction:column;gap:2px}
  .doc .tbl th{white-space:normal}
  .stairs{gap:6px}
  .stairs li{padding:12px 6px 0}
  .stairs span{font-size:.875rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}