:root{--ink:#1b1530;--muted:#655e79;--paper:#fbf9ff;--night:#25164a;--violet:#7149d8;--coral:#ff6f70;--cyan:#56d4d8;--lime:#d8ee75;--line:#d9d0ec;--white:#fff;--soft:#f0ebfb;--shadow:0 24px 70px #25164a24;font-family:Inter,Pretendard,"Noto Sans KR",ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;font-size:16px;line-height:1.72;background:var(--paper);word-break:keep-all;overflow-wrap:break-word}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}a[href^="mailto:"],.contact-email,.official-source a{overflow-wrap:anywhere}.skip{position:fixed;top:.5rem;left:.5rem;z-index:30;padding:.7rem 1rem;background:var(--night);color:#fff;transform:translateY(-140%)}.skip:focus{transform:none}.page-shell{max-width:1480px;margin:auto;background:var(--paper)}
.site-header{min-height:82px;display:flex;align-items:center;gap:2rem;padding:1rem clamp(1.2rem,5vw,5rem);border-bottom:1px solid var(--line);background:#fbf9fff2;backdrop-filter:blur(16px)}.brand{display:flex;align-items:center;gap:.8rem;margin-right:auto;font-size:.82rem;line-height:1.15;letter-spacing:.02em}.brand img{width:46px;height:46px;border-radius:14px;box-shadow:5px 5px 0 var(--cyan)}.brand strong{color:var(--violet);font-size:.72rem;letter-spacing:.12em}.site-header nav,footer nav{display:flex;flex-wrap:wrap;gap:1.35rem}.site-header nav a,.language{font-size:.88rem;font-weight:850}.site-header nav a:hover,.language:hover,.text-link:hover{color:var(--violet)}.language{padding:.45rem .8rem;border:1px solid var(--line);border-radius:999px;background:#fff}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(280px,.72fr) minmax(250px,.55fr);gap:clamp(2rem,4vw,4.5rem);align-items:center;padding:clamp(4.5rem,8vw,8rem) clamp(1.2rem,5vw,5rem);overflow:hidden;background:linear-gradient(135deg,#fbf9ff 0 60%,#f0ebfb 60%)}.hero:before{content:"SPRINT 01  /  INSPECT  /  ADAPT";position:absolute;top:1.4rem;right:clamp(1.2rem,5vw,5rem);color:#7149d870;font-size:.7rem;font-weight:900;letter-spacing:.18em}.hero:after{content:"";position:absolute;inset:auto -80px -150px auto;width:420px;height:420px;border:72px solid #56d4d81f;border-radius:50%;pointer-events:none}.hero>*{position:relative;z-index:1}.eyebrow{margin:0 0 .85rem;color:var(--violet);font-size:.76rem;font-weight:950;letter-spacing:.12em;text-transform:uppercase}.hero h1,.page-intro h1,.article header h1{margin:0;max-width:900px;font-size:clamp(2.8rem,6vw,6.3rem);line-height:1.02;letter-spacing:-.06em}.hero h1 span{color:var(--coral);text-decoration:underline;text-decoration-color:var(--cyan);text-decoration-thickness:.12em;text-underline-offset:.14em}.lede{max-width:46rem;margin:1.4rem 0 0;color:var(--muted);font-size:clamp(1.04rem,1.8vw,1.22rem)}
.hero-metrics{display:grid;gap:1rem}.hero-metrics>article{display:grid;gap:.25rem;padding:1.15rem 1.25rem;border:1px solid var(--line);border-left:7px solid var(--coral);background:#fff;box-shadow:8px 8px 0 #e8e0f7}.hero-metrics b{color:var(--violet);font-size:.72rem;letter-spacing:.1em}.hero-metrics strong{font-size:1.08rem}.hero-metrics span{color:var(--muted);font-size:.86rem}.domain-board{display:grid;gap:.7rem;padding:1.2rem;background:var(--night);color:#fff;border-radius:4px;box-shadow:10px 10px 0 var(--cyan)}.domain-board div{display:grid;grid-template-columns:1fr auto;gap:.25rem .8rem;align-items:center}.domain-board span,.domain-board b{font-size:.78rem}.domain-board i{grid-column:1/-1;display:block;height:5px;background:linear-gradient(90deg,var(--coral) var(--weight),#ffffff22 var(--weight));border-radius:999px}.phone-stage{margin:0;padding:9px;border-radius:1.7rem;background:var(--night);box-shadow:var(--shadow);transform:rotate(1.2deg)}.phone-stage img{display:block;border-radius:1.25rem}
.store-block{margin-top:1.7rem}.store-row{display:flex;flex-wrap:wrap;align-items:center;gap:.75rem}.store-link{display:inline-flex;align-items:center}.store-link img{display:block}.data-ribbon{display:grid;grid-template-columns:repeat(4,1fr);background:var(--night);color:#fff}.data-ribbon span{padding:.85rem;border-right:1px solid #ffffff20;text-align:center;font-size:.74rem;font-weight:900;letter-spacing:.1em}
.section,.page-intro,.article,.policy,.faq-list,.support-grid,.official-source{margin-inline:clamp(1.2rem,5vw,5rem)}.section{padding-block:clamp(4rem,8vw,7rem)}.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(320px,.9fr);gap:clamp(2.5rem,8vw,8rem);align-items:start}.split h2,.section-heading h2,.final-cta h2,.page-intro h1{margin:.2rem 0 1rem;font-size:clamp(2rem,4vw,3.8rem);line-height:1.12;letter-spacing:-.045em}.split p{max-width:44rem;color:var(--muted)}.text-link{display:inline-block;margin-top:1rem;color:var(--violet);font-weight:900;border-bottom:2px solid var(--coral)}.workflow{display:grid;gap:.7rem}.workflow div{display:grid;grid-template-columns:3.2rem 1fr;gap:1rem;padding:1.05rem;border:1px solid var(--line);background:#fff}.workflow div:nth-child(even){transform:translateX(1rem)}.workflow b{color:var(--coral)}
.app-preview{margin-inline:0;padding-inline:clamp(1.2rem,5vw,5rem);background:var(--night);color:#fff}.app-preview .eyebrow{color:var(--cyan)}.app-preview .section-heading>p{color:#d8d1e7}.section-heading{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(240px,.8fr);gap:2rem;align-items:end;margin-bottom:2.4rem}.section-heading>p{color:var(--muted)}.screens{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,3vw,2.2rem)}.screens figure{margin:0;padding:1rem;border:1px solid #ffffff32;background:#ffffff0d}.screens figure:nth-child(2){transform:translateY(1.5rem)}.screens img{display:block;width:100%;border-radius:1rem}.screens figcaption{padding:.9rem .2rem 0;font-weight:800}
.guide-preview{border-top:1px solid var(--line)}.guide-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}.guide-card{min-height:230px;padding:1.55rem;border:1px solid var(--line);background:#fff;box-shadow:6px 6px 0 var(--soft);transition:.2s ease}.guide-card:nth-child(3n+2){border-top:6px solid var(--cyan)}.guide-card:nth-child(3n+1){border-top:6px solid var(--coral)}.guide-card:nth-child(3n){border-top:6px solid var(--lime)}.guide-card:hover{transform:translateY(-4px);box-shadow:8px 10px 0 #ded4f1}.guide-card span{color:var(--violet);font-size:.75rem;font-weight:900;letter-spacing:.07em}.guide-card h2,.guide-card h3{margin:.7rem 0;font-size:1.25rem;line-height:1.35}.guide-card p{margin:0;color:var(--muted)}
.final-cta{margin:0 clamp(1.2rem,5vw,5rem) clamp(4rem,8vw,7rem);padding:clamp(2rem,5vw,4rem);background:linear-gradient(135deg,var(--violet),var(--night));color:#fff;box-shadow:14px 14px 0 var(--cyan)}.final-cta .eyebrow{color:var(--cyan)}.final-cta h2{max-width:780px}.page-intro{padding:clamp(4rem,8vw,7rem) 0 3rem;border-bottom:6px solid var(--cyan)}.page-intro p{max-width:760px;color:var(--muted);font-size:1.1rem}.all-guides{margin:3rem clamp(1.2rem,5vw,5rem) 5rem}
.article{padding-block:3rem 6rem}.breadcrumbs{display:flex;flex-wrap:wrap;gap:.65rem;margin-bottom:3.5rem;color:var(--muted);font-size:.84rem}.article header{max-width:1000px}.article header h1{font-size:clamp(2.5rem,5vw,5.4rem)}.article-meta{color:var(--muted);font-size:.84rem}.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:clamp(2rem,7vw,7rem);margin-top:4rem;align-items:start}.article-copy{max-width:780px}.article-copy section{padding:0 0 2.4rem}.article-copy h2,.policy h2{margin:0 0 .8rem;font-size:1.52rem;line-height:1.35}.article-copy p,.policy p{color:#514a63}.article-copy .domain-board{margin:0 0 2.8rem}.article-aside{position:sticky;top:1rem;padding:1.5rem;border:1px solid var(--line);background:#fff;box-shadow:8px 8px 0 var(--soft)}.article-aside>img{border-radius:20px}.article-aside h2{margin:.9rem 0 .4rem}.article-aside p{color:var(--muted)}
.official-source{margin-block:3rem;padding:1.5rem;border-left:6px solid var(--coral);background:var(--soft)}.official-source h2{margin-top:0}.official-source div{display:flex;flex-wrap:wrap;gap:.7rem 1.3rem}.official-source a{color:var(--violet);font-weight:850;text-decoration:underline}.related{margin-top:4rem;border-top:1px solid var(--line);padding-top:3rem}.faq-list{padding-block:3rem}.faq-list details{border-bottom:1px solid var(--line);background:#fff}.faq-list summary{cursor:pointer;padding:1.3rem;font-size:1.05rem;font-weight:900}.faq-list details p{margin:0;padding:0 1.3rem 1.4rem;color:var(--muted)}
.policy{max-width:820px;padding-block:clamp(4rem,8vw,7rem)}.policy h1{font-size:clamp(2.4rem,5vw,4.8rem);line-height:1.1}.policy h2{margin-top:2.4rem}.primary-button,.contact-email{display:inline-flex;margin-top:1rem;padding:.85rem 1.1rem;background:var(--violet);color:#fff;font-weight:900}.support-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-block:3rem 6rem}.support-grid>div{padding:1.5rem;border:1px solid var(--line);background:#fff}.support-grid h2{margin-top:0}.support-grid p{color:var(--muted)}.contact{min-height:60vh}.source-note{color:var(--muted);font-size:.82rem}footer{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:2rem;padding:2.5rem clamp(1.2rem,5vw,5rem);border-top:1px solid var(--line);background:var(--soft)}footer p{max-width:760px;margin:.5rem 0 0}footer .source-note{grid-column:1/-1}
/* store-badge-frame-sync: equal marketplace frames, official artwork ratios preserved */
.store-row>.store-link{width:194px;height:75px;min-width:194px;min-height:75px;flex:0 0 194px;align-items:center;justify-content:center}.store-row>.store-link img{width:auto;height:auto;max-width:100%;max-height:100%;object-fit:contain}.store-row>.store-link img[src*="google-play"]{width:194px;height:75px}.store-row>.store-link img[src*="app-store"]{width:180px;height:60px}
:focus-visible{outline:3px solid var(--coral);outline-offset:4px}@media(max-width:1060px){.hero{grid-template-columns:1fr 1fr}.hero-copy{grid-column:1/-1}.phone-stage{width:min(100%,310px);justify-self:center}.guide-grid{grid-template-columns:repeat(2,1fr)}}@media(max-width:760px){.site-header{flex-wrap:wrap;gap:.8rem 1rem}.site-header nav{order:3;width:100%;padding-top:.8rem;border-top:1px solid var(--line)}.hero,.split,.section-heading,.article-layout{grid-template-columns:1fr}.hero-copy{grid-column:auto}.hero{padding-top:4.5rem;background:var(--paper)}.data-ribbon{grid-template-columns:repeat(2,1fr)}.screens{grid-template-columns:1fr;max-width:430px;margin:auto}.screens figure:nth-child(2){transform:none}.article-aside{position:static}.support-grid{grid-template-columns:1fr}footer{grid-template-columns:1fr}}@media(max-width:520px){.hero h1{font-size:clamp(2.5rem,14vw,4rem)}.guide-grid{grid-template-columns:1fr}.workflow div:nth-child(even){transform:none}.store-row{align-items:stretch;flex-direction:column}.store-row>.store-link{max-width:100%}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.guide-card{transition:none}}