:root{--bg:#F4F6F8;--surface:#fff;--ink:#14212E;--ink-soft:#44525F;--ink-faint:#7B8894;--line:#D9DFE5;--accent:#0F3556;--accent-dark:#0A2540;--accent-soft:#E4ECF3;--cta:#D9692A;--cta-dark:#B8551C;--panel:#0B1C2C;--panel-text:#F1F4F7;--radius:3px;--pill:999px;--maxw:1280px;--gutter:clamp(20px,4vw,48px);--sec:clamp(56px,8vw,104px);--ease:cubic-bezier(.22,1,.36,1);--font:'Pretendard Variable','Pretendard',-apple-system,BlinkMacSystemFont,system-ui,'Segoe UI',sans-serif}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:72px}
body{font-family:var(--font);color:var(--ink);background:var(--surface);line-height:1.7;font-size:1rem;letter-spacing:-0.01em;word-break:keep-all;-webkit-text-size-adjust:100%}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
h1,h2,h3{line-height:1.25;letter-spacing:-0.02em}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:900px}
.sr,.skip:not(:focus){position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip:focus{position:fixed;top:8px;left:8px;background:#fff;padding:8px 14px;z-index:100}
/* header */
.hdr{position:fixed;inset:0 0 auto 0;z-index:50;background:linear-gradient(180deg,rgba(6,16,26,.55),rgba(6,16,26,0));transition:background .3s var(--ease)}
.hdr.solid,body:not(:has(.hero)) .hdr{background:var(--panel)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:1.1rem}
.logo-mark{display:grid;place-items:center;width:32px;height:32px;border-radius:8px;background:var(--cta);font-size:.95rem}
.nav{display:flex;align-items:center;gap:28px;color:#fff;font-size:.95rem;font-weight:600}
.nav a:not(.btn):hover{opacity:.7}
.nav-toggle{display:none;background:none;border:0;width:40px;height:40px;cursor:pointer;flex-direction:column;justify-content:center;gap:5px;align-items:center}
.nav-toggle span{display:block;width:22px;height:2px;background:#fff}
/* hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;color:#fff;background:var(--panel);overflow:hidden}
.hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:'';position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,16,26,.82),rgba(6,16,26,.5) 50%,rgba(6,16,26,.3))}
.hero-text{position:relative;z-index:2;padding-top:96px;padding-bottom:40px;width:100%}
.hero h1{font-size:clamp(2.4rem,6.5vw,6rem);font-weight:900;line-height:1.05;letter-spacing:-0.02em;margin-bottom:18px}
.hero-sub{max-width:620px;color:rgba(255,255,255,.88);margin-bottom:26px}
.eyebrow{display:inline-block;font-size:.78rem;font-weight:700;letter-spacing:.12em;color:#F7B27F;margin-bottom:14px}
.eyebrow.dark{color:var(--cta)}
/* buttons */
.btn-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}
.btn{display:inline-block;padding:.9rem 1.5rem;min-height:48px;border-radius:var(--pill);font-weight:700;font-size:.95rem;border:1px solid transparent;cursor:pointer;transition:.25s var(--ease);text-align:center;font-family:inherit}
.btn-sm{padding:.5rem 1.1rem;min-height:0;font-size:.85rem}
.btn-lg{padding:1.05rem 2rem;font-size:1rem}
.btn-primary{background:var(--cta);color:#fff}
.btn-primary:hover{background:var(--cta-dark)}
.btn-ghost{border-color:rgba(255,255,255,.6);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12)}
.btn-outline{border-color:var(--accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:var(--accent);color:#fff}
/* sections */
.sec{padding:var(--sec) 0}
.sec-alt{background:var(--bg)}
.sec-dark{background:var(--panel);color:var(--panel-text)}
.sec-cta{background:var(--accent);color:#fff;text-align:center}
.sec-title{font-size:clamp(1.6rem,3.6vw,2.6rem);margin-bottom:14px}
.sec-lead{color:var(--ink-soft);max-width:680px;margin-bottom:36px}
.about{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(24px,5vw,72px);align-items:start}
.about p{color:var(--ink-soft);margin-bottom:14px}
.about strong{color:var(--ink)}
.cta .btn{margin-top:20px}
/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{display:block;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;transition:transform .3s var(--ease),box-shadow .3s var(--ease)}
.card:hover{transform:translateY(-4px);box-shadow:0 14px 32px rgba(15,53,86,.14)}
.card>img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card-body{padding:18px 20px 22px}
.card-body h3{font-size:1.1rem;margin-bottom:6px}
.card-body p{font-size:.9rem;color:var(--ink-soft)}
.compare{display:grid;grid-template-columns:1fr 1fr;gap:2px;background:var(--line)}
.compare figure{position:relative}
.compare img{width:100%;aspect-ratio:1/1;object-fit:cover}
.compare figcaption{position:absolute;left:8px;top:8px;background:rgba(11,28,44,.78);color:#fff;font-size:.72rem;font-weight:700;padding:2px 9px;border-radius:var(--pill)}
.case-card[hidden]{display:none}
.more-row{text-align:center;margin-top:32px}
.more-row [hidden]{display:none}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:24px}
/* steps */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:32px}
.steps li{border-top:2px solid var(--cta);padding-top:18px}
.steps b{color:var(--cta);font-size:.9rem;letter-spacing:.1em}
.steps h3{font-size:1.15rem;margin:6px 0}
.steps p{font-size:.92rem;opacity:.82}
.steps-light{grid-template-columns:repeat(3,1fr);margin-bottom:48px}
.steps-light li{border-color:var(--accent)}
.steps-light b{color:var(--accent)}
.steps-light p{opacity:1;color:var(--ink-soft)}
/* tables (모바일: 가로 스크롤) */
.table-wrap{overflow-x:auto;margin:18px 0 24px;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:480px;background:var(--surface)}
th,td{padding:14px 16px;border:1px solid var(--line);text-align:left;font-size:.95rem;vertical-align:top}
thead th{background:var(--accent);color:#fff}
tbody th{background:var(--accent-soft);width:30%;white-space:nowrap}
/* faq */
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{list-style:none;cursor:pointer;padding:20px 40px 20px 0;position:relative}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:1.05rem;font-weight:700}
.faq-item summary::after{content:'+';position:absolute;right:6px;top:50%;transform:translateY(-50%);font-size:1.5rem;color:var(--cta);transition:transform .2s}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg)}
.faq-item p{padding:0 0 22px;color:var(--ink-soft)}
/* sub pages */
.page-head{padding:calc(68px + var(--sec)/2) 0 40px;background:var(--bg)}
.page-head h1{font-size:clamp(2rem,5vw,3.4rem);font-weight:800;margin-bottom:18px}
.answer{font-size:1.08rem;color:var(--ink-soft);max-width:760px}
.crumb{font-size:.85rem;color:var(--ink-faint);margin-bottom:16px}
.crumb a:hover{text-decoration:underline}
.story h2,.sec-alt .narrow h2,.narrow>h2{font-size:clamp(1.3rem,2.6vw,1.8rem);margin:40px 0 14px}
.story h2:first-child{margin-top:0}
.story p{margin-bottom:16px;color:var(--ink-soft)}
.shot{margin:24px 0}
.shot img{width:100%;max-height:640px;object-fit:contain;background:var(--bg);border-radius:var(--radius)}
.shot figcaption{font-size:.85rem;color:var(--ink-faint);margin-top:8px}
.check{margin:10px 0 18px}
.check li{position:relative;padding:6px 0 6px 26px;color:var(--ink-soft)}
.check li::before{content:'';position:absolute;left:4px;top:15px;width:10px;height:10px;border:2px solid var(--cta);border-radius:50%}
.check b{color:var(--ink)}
.quote{margin:32px 0;padding:22px 26px;background:var(--surface);border-left:4px solid var(--cta)}
.quote footer{margin-top:8px;font-size:.88rem;color:var(--ink-faint)}
.modified{margin:20px 0;font-size:.85rem;color:var(--ink-faint)}
.link-strong{color:var(--accent);font-weight:700;border-bottom:2px solid var(--cta)}
.meta tbody th{width:28%}
/* footer */
.ftr{background:var(--panel);color:#B6C2CD;padding:48px 0 96px;font-size:.9rem}
.ftr-in{display:grid;gap:22px}
.ftr-brand{color:#fff;font-size:1.2rem;font-weight:800}
.ftr-links{display:flex;flex-wrap:wrap;gap:8px 22px}
.ftr-links a:hover{color:#fff}
.ftr-biz{font-style:normal;line-height:1.9}
.float-cta{position:fixed;right:18px;bottom:18px;z-index:40;background:var(--cta);color:#fff;font-weight:700;padding:14px 22px;border-radius:var(--pill);box-shadow:0 8px 24px rgba(0,0,0,.25);font-size:.92rem}
.float-cta:hover{background:var(--cta-dark)}
@media (max-width:960px){
  .grid3,.rel-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .about{grid-template-columns:1fr}
}
@media (max-width:760px){
  .nav-toggle{display:flex}
  .nav{position:absolute;top:68px;left:0;right:0;background:var(--panel);flex-direction:column;align-items:flex-start;padding:20px var(--gutter);gap:16px;display:none}
  .nav.open{display:flex}
  .hdr:has(.nav.open){background:var(--panel)}
}
@media (max-width:640px){
  .grid3,.rel-grid,.steps,.steps-light{grid-template-columns:1fr}
  .float-cta{left:18px;text-align:center}
}
/* ── v2 디자인 보강 ── */
.sec+.sec{border-top:1px solid var(--line)}
.sec-alt,.sec-dark,.sec-cta{border-top:0!important}
.sec-title{position:relative;padding-top:18px;font-weight:800}
.sec-title::before{content:'';position:absolute;left:0;top:0;width:44px;height:4px;background:var(--cta);border-radius:2px}
.sec-cta .sec-title::before{left:50%;transform:translateX(-50%)}
.eyebrow.dark+.sec-title{margin-top:0}
.sec-lead{font-size:1.05rem}
.worry-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:44px}
.worry-grid li{background:var(--bg);border:1px solid var(--line);border-left:4px solid var(--cta);border-radius:var(--radius);padding:22px 22px 24px}
.worry-grid h3{font-size:1.08rem;margin-bottom:8px;color:var(--accent-dark)}
.worry-grid p{font-size:.92rem;color:var(--ink-soft)}
.sub-title{font-size:1.15rem;margin:0 0 14px;padding-top:28px;border-top:1px dashed var(--line);color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px}
.chips li{padding:8px 16px;border:1px solid var(--accent);border-radius:var(--pill);font-size:.92rem;font-weight:600;color:var(--accent);background:var(--accent-soft)}
.note{color:var(--ink-soft);font-size:.95rem;max-width:760px}
.note strong{color:var(--ink)}
/* 번호 대신 막대 마커 */
.steps li{position:relative;border-top:0;padding:20px 20px 22px;background:rgba(255,255,255,.06);border-radius:var(--radius)}
.steps li::before{content:'';position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--cta);border-radius:var(--radius) 0 0 var(--radius)}
.steps h3{margin-top:0}
.steps-light li{background:var(--bg)}
.steps-light li::before{background:var(--accent)}
.card-body h3{font-size:1.1rem;font-weight:800}
.card{box-shadow:0 1px 2px rgba(15,53,86,.05)}
.faq-item summary h3{font-size:1.02rem}
.faq-item[open] summary h3{color:var(--accent)}
.story h2{padding-left:14px;border-left:4px solid var(--cta)}
.story h3{margin:26px 0 10px;font-size:1.1rem;color:var(--accent-dark)}
@media (max-width:960px){.worry-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){
  .worry-grid{grid-template-columns:1fr}
  .hero{min-height:88svh}
  .hero-text{padding-top:88px}
  .hero-sub{font-size:.95rem}
  .btn-row{flex-direction:column;gap:10px}
  .btn-row .btn,.cta .btn,.more-row .btn{display:block;width:100%;min-height:52px;font-size:1rem}
  .sec-cta .btn{max-width:420px;margin-left:auto;margin-right:auto}
  .float-cta{left:0;right:0;bottom:0;border-radius:0;padding:16px 18px calc(16px + env(safe-area-inset-bottom));font-size:1rem;box-shadow:0 -4px 16px rgba(0,0,0,.2)}
  .ftr{padding-bottom:110px}
  th,td{padding:12px;font-size:.9rem}
  table{min-width:420px}
}
@media (max-width:640px){
  table{min-width:0}
  tbody th{white-space:normal;width:34%}
  th,td{word-break:keep-all;overflow-wrap:anywhere}
}
/* ── 주제(가이드) 페이지 ── */
.blk{padding:clamp(34px,5vw,60px) 0;border-top:1px solid var(--line)}
.blk-table,.blk-compare{background:var(--bg)}
.blk-quote{background:var(--accent);border-top:0}
.blk-quote .quote{margin:0;background:transparent;border-left:4px solid var(--cta);color:#fff;font-size:1.1rem;line-height:1.8}
.blk-quote .quote footer{color:#B6C2CD}
.blk-faq{background:var(--bg)}
.blk h2{font-size:clamp(1.3rem,2.8vw,1.9rem);margin:0 0 16px;padding-left:14px;border-left:4px solid var(--cta)}
.blk p{margin-bottom:14px;color:var(--ink-soft)}
.blk .steps{grid-template-columns:repeat(2,1fr);margin-top:20px;margin-bottom:8px}
.cmp-card{max-width:760px;margin:20px 0 0}
.cmp-card .link-strong{display:inline-block;margin-top:10px}
@media (max-width:640px){.blk .steps{grid-template-columns:1fr}}