:root{--bg:#F4F2ED;--paper:#fff;--ink:#202321;--mute:#727671;--acc:#E66B35;--acc-d:#c4561f;--soft:#E7E7E1;--line:#D3D4CD;--max:1240px;--pad:clamp(20px,4vw,56px)}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:Pretendard,"Noto Sans KR","Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;background:var(--bg);color:var(--ink);line-height:1.75;font-size:17px;word-break:keep-all;overflow-wrap:break-word}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--pad)}
.eyebrow{font:600 12px/1 Inter,Pretendard,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--mute)}
.eyebrow b{color:var(--acc);font-weight:700}
h1,h2,h3{line-height:1.25;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5vw,4.4rem);font-weight:800;letter-spacing:-.045em;line-height:1.05}
h2{font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:800;margin-bottom:20px}
h3{font-size:1.15rem;font-weight:700;margin-bottom:8px}
p+p{margin-top:14px}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:10px 14px;z-index:100}.skip:focus{left:0}
/* header */
.hd{position:fixed;inset:0 0 auto 0;z-index:50;background:transparent;border-bottom:1px solid transparent;transition:background .2s,border-color .2s}
.hd.on,.hd.open,body.sub .hd{background:var(--bg);border-color:var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:64px;gap:24px}
.logo{display:flex;align-items:center;gap:10px;text-decoration:none;font:800 18px/1 Inter,Pretendard,sans-serif;letter-spacing:.14em}
.logo img{width:28px;height:28px}
.nav ul{display:flex;gap:26px;list-style:none;align-items:center}
.nav a{text-decoration:none;font-size:15px;font-weight:600;padding:8px 0;border-bottom:2px solid transparent}
.nav a:hover,.nav a[aria-current=page]{border-color:var(--acc)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 24px;font-weight:700;font-size:16px;text-decoration:none;border:2px solid var(--ink);background:transparent;color:var(--ink);cursor:pointer;font-family:inherit;border-radius:0}
.btn.pri{background:var(--acc);border-color:var(--acc);color:#fff}.btn.pri:hover{background:var(--acc-d);border-color:var(--acc-d)}
.btn.dk{background:var(--ink);color:#fff}.btn:hover{background:var(--ink);color:#fff}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid var(--acc);outline-offset:2px}
.hd .btn{min-height:40px;padding:0 16px;font-size:14px}
.burger{display:none;background:none;border:2px solid var(--ink);width:44px;height:44px;cursor:pointer;font-size:0;position:relative}
.burger:before,.burger:after{content:"";position:absolute;left:10px;right:10px;height:2px;background:var(--ink)}.burger:before{top:15px;box-shadow:0 7px 0 var(--ink)}.burger:after{top:29px}
/* hero */
.hero{padding:calc(64px + clamp(32px,6vw,80px)) 0 clamp(40px,6vw,80px);background:var(--bg)}
.hero .grid{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:clamp(24px,4vw,64px);align-items:end}
.hero h1{margin:18px 0 24px}
.hero .sub{font-size:clamp(1.05rem,1.6vw,1.3rem);font-weight:600;line-height:1.6}
.hero .desc{color:var(--mute);margin-top:14px}
.cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero figure{position:relative}
.hero figure img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:center 45%}
.hero figcaption,figcaption{font-size:13px;color:var(--mute);margin-top:8px;display:flex;gap:10px}
figcaption b{color:var(--acc);font:700 12px/1.8 Inter,sans-serif;letter-spacing:.1em}
.hero.sm h1{font-size:clamp(2rem,4.6vw,3.6rem)}
.hero.txt .grid{grid-template-columns:1fr}
.crumb{font-size:13px;color:var(--mute);margin-bottom:6px}.crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:6px}.crumb li+li:before{content:"/";margin-right:6px}.crumb a{text-decoration:none}.crumb a:hover{color:var(--acc)}
/* sections */
section{padding:clamp(48px,7vw,104px) 0}
.s-white{background:var(--paper)}.s-soft{background:var(--soft)}.s-dark{background:var(--ink);color:#fff}.s-dark .eyebrow{color:#aaa}.s-dark .mute{color:#bbb}
.sec-h{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,7fr);gap:clamp(16px,4vw,64px);margin-bottom:clamp(28px,4vw,52px);border-top:2px solid var(--ink);padding-top:18px}
.s-dark .sec-h{border-color:#fff}
.sec-h .lead{color:var(--mute);max-width:62ch}.s-dark .sec-h .lead{color:#ccc}
.mute{color:var(--mute)}
.cols{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(20px,4vw,56px);align-items:start}
.cols.r{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}.cols.l{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.fig img{width:100%;aspect-ratio:4/3;object-fit:cover}.fig.nat img{aspect-ratio:auto;object-fit:contain;background:var(--soft)}.fig.tall img{aspect-ratio:3/4}
.list-n{list-style:none;counter-reset:n;border-top:1px solid var(--line)}
.list-n li{counter-increment:n;display:grid;grid-template-columns:56px 1fr;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}
.list-n li:before{content:counter(n,decimal-leading-zero);font:700 14px/2 Inter,sans-serif;color:var(--acc);letter-spacing:.08em}
.list-n h3{margin-bottom:2px}.list-n p{color:var(--mute);font-size:.95rem;margin:0}
.svc{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:1px solid var(--line);background:var(--paper)}
.svc a{display:block;text-decoration:none;padding:0 0 20px;border-right:1px solid var(--line)}.svc a:last-child{border-right:0}
.svc img{width:100%;aspect-ratio:1/1;object-fit:cover}
.svc .t{padding:16px 16px 0}.svc .n{font:700 12px Inter,sans-serif;color:var(--acc);letter-spacing:.12em}.svc h3{margin:6px 0}.svc p{font-size:.9rem;color:var(--mute);line-height:1.6}
.svc a:hover h3{color:var(--acc)}
.chk{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:0;border:1px solid var(--line)}
.chk div{padding:18px;border-right:1px solid var(--line);background:var(--paper);font-weight:600;font-size:.95rem}.chk div:last-child{border:0}.chk span{display:block;font:700 12px Inter,sans-serif;color:var(--acc);letter-spacing:.1em;margin-bottom:6px}
/* process */
.proc{list-style:none;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));border-top:2px solid var(--ink)}
.proc li{padding:20px 18px 0 0;position:relative}.proc li+li{padding-left:18px;border-left:1px solid var(--line)}
.proc .n{font:800 2.2rem/1 Inter,sans-serif;color:var(--acc);display:block;margin-bottom:12px}.proc h3{font-size:1rem}
.proc p{font-size:.88rem;color:var(--mute);line-height:1.6}
/* cases */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:clamp(16px,2.4vw,32px)}
.card{display:block;text-decoration:none;background:var(--paper);border:1px solid var(--line)}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card .b{padding:16px 18px 20px}.card .k{font:700 12px Inter,sans-serif;letter-spacing:.12em;color:var(--acc)}.card h3{margin:6px 0 6px;font-size:1.05rem}.card p{font-size:.9rem;color:var(--mute);line-height:1.6}
.card:hover h3{color:var(--acc)}
.arch{list-style:none;border-top:2px solid var(--ink)}
.arch li{display:grid;grid-template-columns:84px 72px minmax(0,1fr) 140px;gap:16px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.arch img{width:72px;height:54px;object-fit:cover}.arch .id{font:700 13px Inter,sans-serif;color:var(--acc);letter-spacing:.08em}.arch .m{font-size:13px;color:var(--mute);text-align:right}
.gal{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}.gal img{width:100%}
.tbl{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;min-width:480px}th,td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top;font-size:.95rem}th{font:700 12px Inter,Pretendard,sans-serif;letter-spacing:.1em;text-transform:uppercase;color:var(--mute);background:var(--soft)}
/* faq */
.faq{border-top:2px solid var(--ink)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;gap:16px;padding:20px 0;font-weight:700;font-size:1.05rem}
.faq summary::-webkit-details-marker{display:none}.faq summary:after{content:"+";font:400 28px/1 Inter,sans-serif;color:var(--acc);flex:none}
.faq details[open] summary:after{content:"−"}
.faq .a{padding:0 0 22px;color:#3a3d3b;max-width:72ch}
.faq details[hidden]{display:none}
.more{margin-top:20px}
/* diagram */
.plan{width:100%;height:auto;background:var(--paper);border:1px solid var(--line)}
/* cta band */
.band{background:var(--ink);color:#fff;padding:clamp(48px,7vw,96px) 0}.band h2{color:#fff}.band p{color:#ccc;max-width:56ch}
.band .btn{border-color:#fff;color:#fff}.band .btn.pri{border-color:var(--acc)}.band .btn:hover{background:#fff;color:var(--ink)}.band .btn.pri:hover{background:var(--acc-d);color:#fff}
.copy{background:none}
/* footer */
.ft{background:var(--bg);border-top:2px solid var(--ink);padding:48px 0 40px;font-size:14px;color:#454845}
.ft .g{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px}
.ft dl{display:grid;grid-template-columns:96px 1fr;gap:6px 12px}.ft dt{color:var(--mute)}
.ft ul{list-style:none;display:flex;flex-wrap:wrap;gap:8px 20px}.ft a{text-decoration:none}.ft a:hover{color:var(--acc)}
.ft .cp{margin-top:28px;color:var(--mute);font-size:13px}
.fab{display:none}
@media(max-width:1000px){.svc,.chk,.proc{grid-template-columns:repeat(2,minmax(0,1fr))}.svc a:nth-child(2n){border-right:0}.svc a{border-bottom:1px solid var(--line)}.chk div{border-bottom:1px solid var(--line)}.proc li{padding:20px 16px 20px 0}.proc li:nth-child(odd){padding-left:0;border-left:0}.proc li:nth-child(even){padding-left:16px}.cards{grid-template-columns:repeat(2,minmax(0,1fr))}.cols,.cols.r,.cols.l,.hero .grid,.sec-h,.ft .g{grid-template-columns:1fr}}
@media(max-width:820px){.burger{display:block}.nav{position:fixed;inset:64px 0 auto 0;background:var(--bg);border-bottom:1px solid var(--line);padding:12px var(--pad) 24px;display:none}.hd.open .nav{display:block}.nav ul{flex-direction:column;align-items:stretch;gap:0}.nav li{border-bottom:1px solid var(--line)}.nav a{display:block;padding:14px 0}.hd>.wrap>.btn{display:none}}
@media(max-width:640px){body{font-size:16px;padding-bottom:72px}.svc,.chk,.proc,.cards,.gal{grid-template-columns:1fr}.svc a{border-right:0}.proc li,.proc li:nth-child(even){padding:18px 0;border-left:0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:56px 1fr;gap:0 12px}.proc .n{font-size:1.6rem;grid-row:span 2;margin:0}.arch li{grid-template-columns:64px minmax(0,1fr);gap:8px 12px}.arch .id{grid-column:2}.arch .m{grid-column:2;text-align:left}.arch li img{grid-row:1/4;width:64px;height:48px}.arch .t{grid-column:2}
.fab{display:grid;grid-template-columns:1fr 1fr;position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--ink);border-top:1px solid #000}.fab a{display:flex;align-items:center;justify-content:center;min-height:56px;color:#fff;font-weight:700;text-decoration:none}.fab a:first-child{background:var(--acc)}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}