@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+KR:wght@400;500;600;700;800&display=swap');

:root{
  --ink:#101827; --muted:#687083; --line:#e7eaf0; --bg:#f6f7f9;
  --accent:#2767f0; --deep:#0c1422; --white:#fff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:'Noto Sans KR',system-ui,-apple-system,sans-serif;color:var(--ink);background:#fff;line-height:1.65}
img{display:block;width:100%;height:auto}
a{color:inherit;text-decoration:none}
.wrap{width:min(calc(100% - 40px),var(--max));margin:auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(16,24,39,.08)}
.nav{height:72px;display:flex;align-items:center;gap:30px}
.brand{font-weight:800;letter-spacing:.08em}
nav{display:flex;gap:26px;margin-left:auto;font-size:14px;color:#4b5565}
.nav-cta{margin-left:10px;background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-weight:700;font-size:14px}
.hero{padding:72px 0 64px;background:linear-gradient(180deg,#fff 0%,#f5f7fb 100%)}
.hero-grid{display:grid;grid-template-columns:.9fr 1.25fr;gap:70px;align-items:center}
.eyebrow{font-size:13px;letter-spacing:.16em;font-weight:800;color:var(--accent);margin:0 0 18px}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(42px,5.2vw,74px);line-height:1.12;letter-spacing:-.055em;margin-bottom:26px}
h1 span{color:var(--accent)}
.lead{font-size:20px;color:#4f596b;margin-bottom:26px}
.badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.badges span{padding:8px 13px;border:1px solid #dce1e9;border-radius:999px;background:#fff;font-size:14px;font-weight:700}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:12px;font-weight:800;transition:.2s transform,.2s opacity}
.btn:hover{transform:translateY(-2px)}
.primary{background:var(--accent);color:#fff}
.secondary{background:#fff;border:1px solid #dce1e9}
.micro{font-size:13px;color:#7b8495;margin:14px 0 0}
.hero-media{margin:0;border-radius:28px;overflow:hidden;box-shadow:0 24px 70px rgba(15,23,42,.18);background:#111}
.hero-media img{aspect-ratio:16/10;object-fit:cover}
.proof-strip{border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr)}
.proof-grid div{padding:28px 24px;border-right:1px solid var(--line)}
.proof-grid div:last-child{border-right:0}
.proof-grid strong,.proof-grid span{display:block}
.proof-grid span{font-size:13px;color:var(--muted);margin-top:6px}
.section{padding:110px 0}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.section-head.left{text-align:left;margin-left:0}
.section-head h2,.split h2,.use h2,.final-cta h2{font-size:clamp(32px,4vw,52px);line-height:1.2;letter-spacing:-.045em;margin-bottom:20px}
.section-head>p:last-child,.split-copy>p{color:var(--muted);font-size:18px}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{padding:34px;border:1px solid var(--line);border-radius:22px;background:#fff}
.num{font-size:13px;font-weight:800;color:var(--accent)}
.card h3{font-size:22px;margin:42px 0 12px}
.card p{color:var(--muted);margin:0}
.dark{background:var(--deep);color:#fff}
.split{display:grid;grid-template-columns:.8fr 1.2fr;gap:70px;align-items:center}
.dark .split-copy>p{color:#aab4c4}
.text-link{display:inline-block;margin-top:14px;color:#fff;font-weight:700}
.image-panel{margin:0;border-radius:24px;overflow:hidden}
.image-panel img{aspect-ratio:16/10;object-fit:cover}
.custom{background:var(--bg)}
.gallery{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px;align-items:stretch}
.gallery figure{margin:0;background:#fff;border-radius:20px;overflow:hidden;border:1px solid var(--line)}
.gallery img{height:420px;object-fit:cover}
.gallery-main img{height:420px;object-position:center 35%}
.gallery figcaption{padding:16px 18px;color:#5b6575;font-size:14px}
.notice{margin-top:28px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:30px;display:grid;grid-template-columns:1fr auto;gap:10px 24px;align-items:center}
.notice strong{font-size:20px}
.notice p{margin:0;color:var(--muted)}
.notice .btn{grid-column:2;grid-row:1/3}
.use-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:80px}
.use ul{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.use li{display:flex;gap:24px;padding:23px 0;border-bottom:1px solid var(--line);font-size:18px}
.use li span{font-size:13px;font-weight:800;color:var(--accent);padding-top:4px}
.narrow{max-width:840px}
.faq{background:#fff}
details{border-bottom:1px solid var(--line);padding:22px 0}
summary{cursor:pointer;font-weight:700;font-size:18px}
details p{color:var(--muted);margin:14px 0 0}
.final-cta{padding:100px 0;text-align:center;background:linear-gradient(135deg,#2463ee,#1147b8);color:#fff}
.final-cta .eyebrow{color:#dce8ff}
.center{justify-content:center}
.light{background:#fff;color:#174cb6}
.outline-light{border:1px solid rgba(255,255,255,.55);color:#fff}
footer{padding:42px 0;background:#0a101b;color:#fff}
.footer-grid{display:flex;justify-content:space-between;gap:30px}
footer p{margin:4px 0 0;color:#9ca7b6;font-size:14px}
.floating-buy{display:none;position:fixed;left:16px;right:16px;bottom:14px;z-index:60;background:var(--accent);color:#fff;text-align:center;padding:15px;border-radius:14px;font-weight:800;box-shadow:0 10px 30px rgba(0,0,0,.25)}

@media (max-width:900px){
  nav{display:none}
  .hero{padding-top:44px}
  .hero-grid,.split,.use-grid{grid-template-columns:1fr;gap:40px}
  .hero-copy{text-align:center}
  .actions,.badges{justify-content:center}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .proof-grid div:nth-child(2){border-right:0}
  .proof-grid div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .cards{grid-template-columns:1fr}
  .gallery{grid-template-columns:1fr 1fr}
  .gallery-main{grid-column:1/-1}
  .notice{grid-template-columns:1fr}
  .notice .btn{grid-column:1;grid-row:auto;margin-top:10px}
}
@media (max-width:640px){
  .wrap{width:min(calc(100% - 28px),var(--max))}
  .nav{height:62px}
  .nav-cta{font-size:13px;padding:8px 13px}
  .hero{padding:36px 0 44px}
  h1{font-size:40px}
  .lead{font-size:17px}
  .hero-media{border-radius:18px}
  .proof-grid div{padding:20px 14px}
  .section{padding:76px 0}
  .section-head{margin-bottom:36px}
  .section-head h2,.split h2,.use h2,.final-cta h2{font-size:34px}
  .gallery{grid-template-columns:1fr}
  .gallery-main{grid-column:auto}
  .gallery img,.gallery-main img{height:auto;max-height:520px;object-fit:cover}
  .footer-grid{display:block}
  .footer-grid>div+div{margin-top:22px}
  .floating-buy{display:block}
  footer{padding-bottom:90px}
}

/* Inner sheet feature */
.inner-sheet{background:#fff}
.sheet-layout{display:grid;grid-template-columns:1fr 1fr;gap:70px;align-items:center}
.sheet-visual{position:relative;min-height:560px;display:flex;align-items:center;justify-content:center}
.paper{position:absolute;width:min(78%,420px);aspect-ratio:210/297;border-radius:8px;background:#fff;border:1px solid #dfe3ea;box-shadow:0 24px 55px rgba(15,23,42,.13);display:flex;align-items:center;justify-content:center;color:#8a93a3;font-weight:700}
.paper.back{transform:translate(54px,-18px) rotate(5deg);background:#f0f3f8}
.paper.middle{transform:translate(28px,-8px) rotate(2.5deg);background:#f8fafc}
.paper.front{position:relative;transform:translate(-22px,15px) rotate(-2deg);overflow:hidden;flex-direction:column}
.paper.front em{position:absolute;right:20px;bottom:46px;font-style:normal;font-size:13px;color:#8d96a6}
.clip{position:absolute;left:0;right:0;height:42px;background:linear-gradient(180deg,rgba(39,103,240,.18),rgba(39,103,240,.08));border-color:rgba(39,103,240,.28);display:flex;align-items:center;justify-content:center;font-size:12px;color:#2864dc;font-weight:800;letter-spacing:.04em}
.clip.top{top:0;border-bottom:1px solid}
.clip.bottom{bottom:0;border-top:1px solid}
.music-lines{position:relative;width:72%;height:170px;display:flex;flex-direction:column;justify-content:center;gap:12px}
.music-lines i{height:1px;background:#b8c0ce;display:block}
.music-lines b{position:absolute;left:38%;top:35px;font-size:64px;color:#3c4657;font-weight:400}
.sheet-points{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.sheet-points article{display:grid;grid-template-columns:50px 1fr;gap:18px;padding:26px 0;border-bottom:1px solid var(--line)}
.sheet-points h3{font-size:22px;margin:0 0 9px}
.sheet-points p{margin:0;color:var(--muted)}
.sheet-highlight{margin-top:52px;padding:28px 32px;border-radius:18px;background:#edf3ff;display:flex;align-items:center;justify-content:space-between;gap:25px}
.sheet-highlight strong{font-size:21px;color:#164cb8}
.sheet-highlight span{color:#4f6181}
@media(max-width:900px){
  .sheet-layout{grid-template-columns:1fr;gap:30px}
  .sheet-visual{min-height:500px}
}
@media(max-width:640px){
  .sheet-visual{min-height:420px}
  .paper{width:76%}
  .sheet-highlight{display:block;padding:24px}
  .sheet-highlight strong,.sheet-highlight span{display:block}
  .sheet-highlight span{margin-top:8px}
}

/* Inquiry form */
.inquiry-section{background:#f3f6fb}
.inquiry-grid{display:grid;grid-template-columns:.72fr 1.28fr;gap:70px;align-items:start}
.inquiry-intro{position:sticky;top:110px}
.inquiry-intro h2{font-size:clamp(34px,4vw,54px);line-height:1.18;letter-spacing:-.045em;margin-bottom:22px}
.inquiry-intro>p{font-size:17px;color:var(--muted)}
.inquiry-help{margin-top:34px;padding:24px;border-radius:18px;background:#fff;border:1px solid var(--line)}
.inquiry-help strong{font-size:17px}
.inquiry-help ul{margin:14px 0 0;padding-left:20px;color:#5e6879}
.inquiry-form{background:#fff;border:1px solid var(--line);border-radius:26px;padding:38px;box-shadow:0 22px 60px rgba(15,23,42,.08)}
.field-row{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-bottom:22px}
.field-row.three{grid-template-columns:repeat(3,1fr)}
.inquiry-form label>span,.inquiry-form legend{display:block;font-size:14px;font-weight:800;margin-bottom:9px;color:#30394a}
.inquiry-form span b,.inquiry-form legend b{color:#e23a3a}
.inquiry-form span em{font-style:normal;font-size:11px;color:#9099a8;margin-left:4px}
.inquiry-form input[type=text],.inquiry-form input[type=tel],.inquiry-form input[type=email],
.inquiry-form input[type=date],.inquiry-form select,.inquiry-form textarea{
  width:100%;border:1px solid #d9dee7;border-radius:11px;background:#fff;padding:13px 14px;
  font:inherit;font-size:15px;color:var(--ink);outline:none;transition:border .2s,box-shadow .2s
}
.inquiry-form input:focus,.inquiry-form select:focus,.inquiry-form textarea:focus{
  border-color:var(--accent);box-shadow:0 0 0 4px rgba(39,103,240,.1)
}
.inquiry-form textarea{resize:vertical;min-height:145px}
.inquiry-form fieldset{border:0;margin:0 0 24px;padding:0}
.choice-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}
.choice{position:relative;cursor:pointer}
.choice input{position:absolute;opacity:0;pointer-events:none}
.choice span{display:flex!important;align-items:center!important;justify-content:center;min-height:48px;margin:0!important;padding:8px!important;
 border:1px solid #dce1e9;border-radius:10px;font-weight:700!important;text-align:center;background:#fff;color:#596273!important}
.choice input:checked+span{border-color:var(--accent);background:#edf3ff;color:#1e56c7!important;box-shadow:inset 0 0 0 1px var(--accent)}
.full-field{display:block;margin-bottom:20px}
.privacy-check{display:flex!important;gap:10px;align-items:flex-start;margin:10px 0 22px}
.privacy-check input{margin-top:5px}
.privacy-check span{font-size:13px!important;font-weight:500!important;color:#687184!important;margin:0!important}
.submit-btn{width:100%;border:0;border-radius:13px;background:var(--accent);color:#fff;min-height:62px;
 display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;font-family:inherit}
.submit-btn span{font-size:18px;font-weight:800}
.submit-btn small{font-size:12px;opacity:.78;margin-top:2px}
.submit-btn:hover{filter:brightness(.96)}
.form-note{text-align:center;font-size:12px;color:#8a93a3;margin:12px 0 0}
.hp-field{display:none!important}
@media(max-width:900px){
  .inquiry-grid{grid-template-columns:1fr;gap:35px}
  .inquiry-intro{position:static}
}
@media(max-width:640px){
  .inquiry-form{padding:24px 18px;border-radius:20px}
  .field-row,.field-row.three{grid-template-columns:1fr;gap:15px;margin-bottom:18px}
  .choice-grid,.print-grid{grid-template-columns:1fr 1fr}
}

/* V4 simplified inquiry */
.simple-help p{margin:10px 0 0;color:var(--muted)}
.inquiry-form>.full-field:first-of-type{margin-bottom:18px}

/* V5 brand and CTA refinements */
:root{
  --accent:#e43d21;
}
.brand{display:flex;align-items:center}
.brand img{width:150px;height:auto;object-fit:contain}
.nav-cta{background:#e43d21}
.store-link{font-weight:700;color:#4f596b}
.footer-brand img{width:170px;height:auto;background:#fff;border-radius:6px}
.final-cta{background:linear-gradient(135deg,#e74423,#b92518)}
.final-cta .eyebrow{color:#ffe3da}
.light{color:#bb2b1a}
.floating-buy{background:#e43d21}
details[open] summary{margin-bottom:8px}
@media(max-width:640px){
  .brand img{width:128px}
}

/* V10 phone contact */
.phone-contact{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:18px;
  padding:12px 18px;
  border:1px solid #d9dee7;
  border-radius:999px;
  background:#fff;
  font-weight:800;
  color:var(--ink);
}
.phone-contact:hover{
  border-color:var(--accent);
  color:var(--accent);
}
.footer-grid>div:last-child a{
  display:block;
  font-weight:700;
  margin-bottom:4px;
}

/* V11 SEO content */
.seo-content{background:#fff}
.seo-copy{font-size:17px;color:#4f596b;line-height:1.95}
.seo-copy p{margin-bottom:22px}
.seo-copy strong{color:var(--ink)}