:root{--navy:#071525;--navy2:#0b2138;--blue:#2f7cf6;--cyan:#6ae1ff;--ink:#102033;--muted:#687687;--line:#dce3ea;--bg:#f5f7fa;--white:#fff;--radius:22px;--shadow:0 24px 70px rgba(4,18,35,.13)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);background:#fff;font-family:"Noto Sans KR",sans-serif;word-break:keep-all}a{color:inherit;text-decoration:none}button,input,textarea{font:inherit}button{cursor:pointer}.wrap{width:min(1180px,calc(100% - 40px));margin:auto}.skip{position:fixed;left:10px;top:-60px;background:#fff;color:#000;padding:12px 18px;z-index:999}.skip:focus{top:10px}.header{height:78px;position:fixed;inset:0 0 auto;z-index:50;color:#fff;border-bottom:1px solid rgba(255,255,255,.13);transition:.3s}.header.scrolled{background:rgba(7,21,37,.94);backdrop-filter:blur(16px);box-shadow:0 4px 30px rgba(0,0,0,.15)}.nav{height:100%;display:flex;align-items:center;justify-content:space-between}.brand{display:flex;align-items:center;gap:11px;font-family:Manrope,sans-serif;font-weight:800;letter-spacing:1.6px}.brand-mark{display:grid;place-items:center;width:40px;height:40px;border:1px solid rgba(255,255,255,.55);border-radius:11px;color:#fff;background:linear-gradient(145deg,rgba(255,255,255,.15),rgba(255,255,255,.03));font-size:13px}.brand small{display:block;font-size:7px;letter-spacing:2.7px;opacity:.6;margin-top:2px}.nav nav{display:flex;gap:38px;font-size:14px;color:rgba(255,255,255,.8)}.nav nav a:hover{color:#fff}.btn{min-height:54px;padding:0 24px;display:inline-flex;align-items:center;justify-content:center;border-radius:6px;border:0;font-weight:700;transition:.25s;gap:18px}.btn:hover{transform:translateY(-2px)}.btn-sm{min-height:40px;padding:0 17px;font-size:13px}.btn-outline{border:1px solid rgba(255,255,255,.45)}.btn-primary{background:linear-gradient(135deg,#3181ff,#1f64da);color:#fff;box-shadow:0 10px 30px rgba(37,113,238,.28)}.hero{position:relative;min-height:790px;color:#fff;background:#071525;overflow:hidden}.hero-bg{position:absolute;inset:0;background:linear-gradient(90deg,rgba(3,17,31,.97) 0%,rgba(4,21,37,.88) 31%,rgba(6,22,38,.25) 60%,rgba(4,15,25,.2)),url('hero-linknine.png') center/cover no-repeat;transform:scale(1.01)}.hero:after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(transparent,rgba(4,15,27,.35));pointer-events:none}.hero-grid{position:relative;z-index:2;min-height:790px;padding-top:138px;display:grid;grid-template-columns:1fr 290px;align-items:center;gap:50px}.hero-copy{max-width:690px}.eyebrow{display:flex;align-items:center;gap:10px;font:700 12px Manrope,sans-serif;letter-spacing:2.5px;color:var(--cyan);margin:0 0 25px}.eyebrow span{width:23px;height:2px;background:currentColor}.hero h1{font-size:clamp(45px,5vw,68px);line-height:1.18;letter-spacing:-3.6px;margin:0 0 25px;font-weight:700}.hero h1 em,.contact h2 em{font-style:normal;color:#65bdfb}.hero-desc{font-size:18px;line-height:1.8;color:rgba(255,255,255,.74);max-width:610px;margin:0 0 35px}.hero-actions{display:flex;gap:12px;flex-wrap:wrap}.btn-ghost{color:#fff;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18)}.phone-dot{color:#77f0ba;font-size:8px}.trust-list{display:flex;list-style:none;padding:0;margin:32px 0 0;gap:27px;color:rgba(255,255,255,.72);font-size:13px}.trust-list li:before{content:"✓";color:#68c7ff;margin-right:8px}.quick-card{align-self:end;margin-bottom:105px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(18px);padding:26px;border-radius:14px;box-shadow:0 24px 60px rgba(0,0,0,.22)}.quick-top{display:flex;justify-content:space-between;align-items:center;font:700 9px Manrope;letter-spacing:1.7px;color:#74dafa}.quick-top i{width:8px;height:8px;background:#6ae1ff;border-radius:50%;box-shadow:0 0 0 5px rgba(106,225,255,.12)}.quick-card p{font-size:13px;color:rgba(255,255,255,.65);margin:24px 0 5px}.quick-card strong{display:block;font-size:19px}.quick-card a{display:flex;justify-content:space-between;border-top:1px solid rgba(255,255,255,.18);margin-top:22px;padding-top:18px;font-size:13px;color:#fff}.scroll-cue{position:absolute;z-index:3;bottom:25px;left:50%;transform:translateX(-50%);font:600 8px Manrope;letter-spacing:2px;color:rgba(255,255,255,.45);display:flex;flex-direction:column;align-items:center;gap:9px}.scroll-cue span{height:28px;width:1px;background:linear-gradient(#fff,transparent)}.proof{background:#fff;position:relative;z-index:4;box-shadow:0 -10px 35px rgba(0,0,0,.06)}.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);padding:28px 0}.proof-grid>div{display:flex;align-items:center;justify-content:center;gap:20px;border-right:1px solid var(--line)}.proof-grid>div:last-child{border:0}.proof-grid b{font:800 30px Manrope;color:#dce5ee}.proof-grid p{margin:0}.proof-grid strong,.proof-grid span{display:block}.proof-grid strong{font-size:14px;margin-bottom:4px}.proof-grid span{font-size:12px;color:#8994a0}.section{padding:120px 0}.problems{background:var(--bg)}.section-head{max-width:610px;margin-bottom:55px}.section-head h2{font-size:clamp(34px,4vw,48px);line-height:1.3;letter-spacing:-2.5px;margin:0 0 17px}.section-head>p:last-child{color:var(--muted);line-height:1.8;margin:0}.eyebrow.dark{color:#327ce6}.problem-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.problem-card{position:relative;background:#fff;border:1px solid #e6ebf0;border-radius:var(--radius);padding:34px 32px 38px;min-height:330px;transition:.3s}.problem-card:hover{transform:translateY(-7px);box-shadow:var(--shadow)}.problem-card>span{position:absolute;right:28px;top:25px;color:#cdd5dc;font:700 12px Manrope}.problem-card .icon{width:55px;height:55px;border-radius:16px;background:#edf5ff;color:#2877ee;display:grid;place-items:center;font-size:28px;margin-bottom:45px}.problem-card h3{font-size:22px;line-height:1.5;margin:0 0 13px}.problem-card p{font-size:14px;line-height:1.8;color:#758191;margin:0}.problem-card.featured{background:var(--navy2);color:#fff;border-color:var(--navy2);box-shadow:0 22px 55px rgba(7,25,44,.18)}.problem-card.featured .icon{background:rgba(87,177,255,.12);color:#68c5ff}.problem-card.featured p{color:rgba(255,255,255,.58)}.services{background:linear-gradient(145deg,#071525,#0b2137);color:#fff;position:relative;overflow:hidden}.services:before{content:"L9";position:absolute;right:-30px;top:-95px;font:800 390px Manrope;color:rgba(255,255,255,.018)}.section-head.light>p:last-child{color:rgba(255,255,255,.56)}.service-grid{display:grid;grid-template-columns:repeat(4,1fr);border:1px solid rgba(255,255,255,.13)}.service-card{position:relative;padding:28px 25px 32px;min-height:420px;border-right:1px solid rgba(255,255,255,.13);transition:.3s}.service-card:last-child{border:0}.service-card:hover{background:rgba(255,255,255,.05)}.service-card>b{font:700 8px Manrope;letter-spacing:1.6px;color:#5dbbff}.service-no{position:absolute;right:24px;top:26px;color:rgba(255,255,255,.25);font:700 10px Manrope}.service-icon{margin:48px 0 36px;font-size:40px;color:#6ac9ff}.service-card h3{font-size:24px;margin:0 0 15px}.service-card p{font-size:13px;line-height:1.8;color:rgba(255,255,255,.56);min-height:72px}.service-card ul{list-style:none;padding:18px 0 0;margin:0;border-top:1px solid rgba(255,255,255,.1);font-size:12px;color:rgba(255,255,255,.7);line-height:2}.service-card li:before{content:"·";color:#54b9ff;margin-right:7px}.notice{color:rgba(255,255,255,.43);font-size:11px;line-height:1.7;margin:20px 0 0}.centered{text-align:center;margin:0 auto 65px}.centered .eyebrow{justify-content:center}.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr)}.steps li{text-align:center;position:relative;padding:0 15px}.steps li:not(:last-child):after{content:"";position:absolute;top:60px;left:70%;width:60%;border-top:1px dashed #cbd5df}.steps b{display:block;color:#307eea;font:800 10px Manrope;letter-spacing:1px}.step-icon{display:grid;place-items:center;margin:16px auto 26px;width:72px;height:72px;border-radius:50%;background:#f0f6fd;color:#2675e4;font-size:23px;border:8px solid #f8fafc}.steps h3{font-size:18px;margin:0 0 10px}.steps p{font-size:13px;line-height:1.7;color:#7a8794;margin:0}.faq{background:var(--bg)}.faq-layout{display:grid;grid-template-columns:350px 1fr;gap:90px}.text-link{display:inline-block;color:#226edf;font-size:13px;font-weight:700;margin-top:26px;border-bottom:1px solid #226edf;padding-bottom:4px}.accordion details{background:#fff;border-bottom:1px solid #e4e9ee}.accordion summary{list-style:none;display:flex;align-items:center;gap:15px;padding:25px 20px;cursor:pointer;font-weight:600}.accordion summary::-webkit-details-marker{display:none}.accordion summary b{color:#2975e4}.accordion summary span{margin-left:auto;font-size:20px;font-weight:300;transition:.2s}.accordion details[open] summary span{transform:rotate(45deg)}.accordion details p{margin:0;padding:0 50px 25px;color:#697685;font-size:13px;line-height:1.8}.contact{background:#081726;color:#fff;padding:105px 0}.contact-layout{display:grid;grid-template-columns:1fr 1.15fr;gap:85px}.contact h2{font-size:clamp(36px,4vw,50px);line-height:1.35;letter-spacing:-2.5px;margin:0 0 18px}.contact-copy>p:nth-of-type(2){color:rgba(255,255,255,.55)}.manager{display:flex;align-items:center;margin-top:50px;padding-top:28px;border-top:1px solid rgba(255,255,255,.13);max-width:340px}.avatar{width:55px;height:55px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#2f82ef,#57c6ef);font-weight:800;font-size:20px;margin-right:15px}.manager p,.manager strong,.manager a{display:block;margin:0}.manager small{font:600 8px Manrope;letter-spacing:1.4px;color:#58b8ee}.manager strong{font-size:14px;margin:4px 0}.manager a{font:700 19px Manrope}.contact-form{background:#fff;color:var(--ink);padding:38px;border-radius:18px;box-shadow:0 35px 80px rgba(0,0,0,.24)}.field-row{display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-form label,.contact-form legend{display:block;font-size:12px;font-weight:700}.contact-form label>span,.contact-form legend span{color:#2876ea}.contact-form input[type=text],.contact-form input[type=tel],.contact-form input:not([type]),.contact-form textarea{width:100%;border:1px solid #dce3e9;border-radius:5px;padding:14px;margin-top:9px;outline:none;background:#fbfcfd}.contact-form textarea{resize:vertical}.contact-form input:focus,.contact-form textarea:focus{border-color:#2e7df0;box-shadow:0 0 0 3px rgba(46,125,240,.1)}fieldset{border:0;padding:0;margin:24px 0}.checks{display:flex;gap:7px;margin-top:10px;flex-wrap:wrap}.checks label{cursor:pointer}.checks input{position:absolute;opacity:0}.checks span{display:block!important;color:#687584!important;border:1px solid #dce3e9;border-radius:5px;padding:10px 15px;font-size:11px}.checks input:checked+span{background:#edf5ff;color:#246edb!important;border-color:#3982ee}.privacy{display:flex!important;align-items:center;margin:17px 0 16px;font-weight:500!important;color:#596675}.privacy input{accent-color:#2877e8;margin:0 8px 0 0}.privacy span{color:inherit!important}.privacy span b{color:#2b76e5}.privacy button{border:0;background:none;text-decoration:underline;margin-left:auto;color:#7e8994;font-size:11px}.submit{width:100%;font-size:15px}.form-note{font-size:10px;line-height:1.6;color:#9099a4;text-align:center;margin:12px 0 0}.form-status{text-align:center;font-size:11px;line-height:1.6;margin:10px 0 0}.form-status.error{color:#d93d4c}.form-status.success{color:#167951}footer{background:#050e18;color:rgba(255,255,255,.5);padding:38px 0}.footer-grid{display:grid;grid-template-columns:190px 1fr 45px;align-items:center;gap:40px}.footer-brand{color:#fff}.footer-grid strong{color:rgba(255,255,255,.85);font-size:13px}.footer-grid p{font-size:10px;line-height:1.8}.footer-grid i{display:inline-block;height:8px;border-left:1px solid rgba(255,255,255,.25);margin:0 8px}.footer-grid small{font-size:9px}.top-btn{width:42px;height:42px;display:grid;place-items:center;border:1px solid rgba(255,255,255,.18);border-radius:50%}.floating{position:fixed;right:22px;bottom:25px;z-index:40;display:flex;flex-direction:column;gap:8px}.floating a{width:58px;height:58px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(0,0,0,.22)}.floating span{font-size:18px;line-height:1}.floating small{font-size:8px;margin-top:4px}.kakao{background:#fee500;color:#201f1d}.call{background:#2476ed;color:#fff}dialog{border:0;border-radius:18px;padding:32px;width:min(500px,calc(100% - 30px));box-shadow:0 25px 90px rgba(0,0,0,.3)}dialog::backdrop{background:rgba(2,12,23,.7);backdrop-filter:blur(4px)}dialog h2{font-size:22px;margin:0 0 25px}dialog dl{font-size:13px;line-height:1.7}dialog dt{font-weight:700;margin-top:14px}dialog dd{margin:3px 0;color:#657181}dialog p{font-size:11px;color:#84909a;line-height:1.7}.dialog-close{position:absolute;right:18px;top:15px;background:none;border:0;font-size:25px}.dialog-ok{width:100%;margin-top:12px}.reveal{opacity:0;transform:translateY(22px);transition:opacity .75s ease,transform .75s ease}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.nav nav{display:none}.hero,.hero-grid{min-height:750px}.hero-grid{grid-template-columns:1fr;padding-top:115px}.quick-card{display:none}.hero-bg{background:linear-gradient(90deg,rgba(3,17,31,.96),rgba(4,21,37,.74)),url('hero-linknine.webp') 64% center/cover}.service-grid{grid-template-columns:1fr 1fr}.service-card:nth-child(2){border-right:0}.service-card:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.13)}.faq-layout,.contact-layout{grid-template-columns:1fr;gap:45px}.faq-layout .section-head{margin-bottom:0}.problem-card{padding:28px 24px}.section{padding:90px 0}}
@media(max-width:640px){.wrap{width:min(100% - 28px,1180px)}.header{height:68px}.brand{font-size:13px}.brand-mark{width:36px;height:36px}.btn-sm{font-size:11px;padding:0 13px}.hero,.hero-grid{min-height:720px}.hero-grid{padding-top:106px;display:block}.hero h1{font-size:43px;letter-spacing:-2.8px}.hero-desc{font-size:15px;line-height:1.75}.hero-actions .btn{width:100%}.trust-list{gap:12px;flex-wrap:wrap;font-size:11px}.scroll-cue{display:none}.proof-grid{grid-template-columns:1fr;padding:10px 0}.proof-grid>div{border-right:0;border-bottom:1px solid var(--line);justify-content:flex-start;padding:15px 18px}.proof-grid>div:last-child{border:0}.proof-grid b{width:40px;font-size:23px}.section{padding:75px 0}.section-head{margin-bottom:38px}.section-head h2{font-size:34px;letter-spacing:-2px}.problem-grid{grid-template-columns:1fr}.problem-card{min-height:280px}.problem-card .icon{margin-bottom:30px}.service-grid{grid-template-columns:1fr}.service-card{border-right:0;border-bottom:1px solid rgba(255,255,255,.13)!important;min-height:auto}.service-card:last-child{border-bottom:0!important}.service-card p{min-height:auto}.steps{grid-template-columns:1fr 1fr;row-gap:45px}.steps li:after{display:none}.faq-layout{gap:25px}.accordion summary{padding:22px 14px;font-size:14px;align-items:flex-start}.accordion details p{padding:0 44px 22px;font-size:12px}.contact{padding:75px 0}.contact-form{padding:24px 18px}.field-row{grid-template-columns:1fr;gap:18px}.checks span{padding:9px 11px}.footer-grid{grid-template-columns:1fr;gap:20px}.top-btn{display:none}.floating{right:12px;bottom:14px;flex-direction:row}.floating a{width:54px;height:54px}.contact h2{font-size:35px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}.reveal{opacity:1;transform:none;transition:none}.btn{transition:none}}
.solution{background:#fff}.solution-layout{display:grid;grid-template-columns:1.02fr .98fr;gap:80px;align-items:center}.solution-visual{position:relative}.solution-visual:before{content:"";position:absolute;left:-22px;bottom:-22px;width:62%;height:68%;background:#eaf3ff;border-radius:22px;z-index:0}.solution-visual img{position:relative;z-index:1;display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;border-radius:22px;box-shadow:var(--shadow)}.solution-badge{position:absolute;z-index:2;right:-24px;bottom:34px;width:155px;height:155px;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;background:linear-gradient(145deg,#2f83f8,#195dc9);color:#fff;box-shadow:0 18px 45px rgba(35,108,219,.32)}.solution-badge strong{font:800 13px/1.15 Manrope;letter-spacing:1px}.solution-badge span{font-size:11px;line-height:1.45;margin-top:8px;color:rgba(255,255,255,.76)}.solution-copy h2{font-size:clamp(34px,4vw,48px);line-height:1.3;letter-spacing:-2.5px;margin:0 0 20px}.solution-copy h2 em{font-style:normal;color:#2d79e9}.solution-copy>p:not(.eyebrow){color:var(--muted);line-height:1.85;font-size:15px;margin:0 0 30px}.solution-points{display:grid;grid-template-columns:1fr 1fr;gap:22px 28px;margin-bottom:34px}.solution-points article{display:flex;gap:13px}.solution-points b{flex:0 0 27px;font:800 11px Manrope;color:#307eea;padding-top:4px}.solution-points h3{font-size:15px;margin:0 0 6px}.solution-points p{font-size:12px;line-height:1.65;color:#7a8794;margin:0}
@media(max-width:900px){.solution-layout{grid-template-columns:1fr;gap:65px}.solution-visual{max-width:700px}}
@media(max-width:640px){.solution-layout{gap:55px}.solution-visual:before{left:-8px;bottom:-12px}.solution-badge{width:115px;height:115px;right:-5px;bottom:-25px}.solution-badge strong{font-size:10px}.solution-badge span{font-size:9px}.solution-copy h2{font-size:34px;letter-spacing:-2px}.solution-points{grid-template-columns:1fr;gap:19px}}
.hero-bg{background-image:linear-gradient(90deg,rgba(3,17,31,.97) 0%,rgba(4,21,37,.88) 31%,rgba(6,22,38,.25) 60%,rgba(4,15,25,.2)),url('hero-linknine.webp')}
@media(max-width:900px){.hero-bg{background-image:linear-gradient(90deg,rgba(3,17,31,.96),rgba(4,21,37,.74)),url('hero-linknine.webp')}}