:root{
  --bg:#ffffff; --bg-soft:#f3f7f4; --bg-deep:#123a2e;
  --ink:#13261f; --sub:#53665e; --faint:#8a9a93;
  --green:#2c7a58; --green-strong:#1f5e43; --mint:#dcefe5; --line:#e2ebe6;
  --radius:18px; --wrap:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:"Pretendard Variable",Pretendard,"Apple SD Gothic Neo","Malgun Gothic",system-ui,sans-serif;
  font-size:17px;line-height:1.7;word-break:keep-all;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.eyebrow{font-size:14px;font-weight:700;letter-spacing:.12em;color:var(--green);text-transform:uppercase}
h1,h2,h3{line-height:1.3;letter-spacing:-.02em}
h2{font-size:clamp(26px,4vw,38px);margin:10px 0 14px}
h3{font-size:20px}
.lead{color:var(--sub);font-size:18px;max-width:640px}
section{padding:88px 0}
.soft{background:var(--bg-soft)}

/* header */
.top{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;font-weight:800}
.brand img{height:42px;width:auto}
.brand span{font-size:15px;color:var(--sub);font-weight:600}
.nav{display:flex;gap:26px;font-size:15px;font-weight:600}
.nav a{text-decoration:none;color:var(--sub)}
.nav a:hover{color:var(--ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 22px;border-radius:999px;
  font-weight:700;font-size:16px;text-decoration:none;border:1.5px solid transparent;cursor:pointer;font-family:inherit}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-strong)}
.btn-ghost{border-color:var(--line);background:#fff;color:var(--ink)}
.btn-ghost:hover{border-color:var(--green)}
.top .btn{min-height:42px;padding:0 18px;font-size:15px}

/* hero */
.hero{padding:72px 0 64px;background:linear-gradient(180deg,#eef6f1 0%,#fff 100%)}
.hero .wrap.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero h1{font-size:clamp(36px,6vw,60px);margin:14px 0 18px}
.hero .lead{font-size:19px}
.hero .ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-visual{position:relative;max-width:300px;width:100%;justify-self:end}
.hero-visual img{border-radius:var(--radius);aspect-ratio:1/1;object-fit:cover;width:100%;box-shadow:0 30px 60px -30px rgba(18,58,46,.45)}
.hero-visual figcaption{position:absolute;left:16px;bottom:16px;background:rgba(255,255,255,.94);border-radius:12px;padding:10px 14px;font-size:14px;font-weight:600}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:56px}
.stats div{background:#fff;padding:22px 20px}
.stats b{display:block;font-size:26px;letter-spacing:-.02em}
.stats span{font-size:14px;color:var(--sub)}

/* cards */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px}
.card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.card p{color:var(--sub);font-size:16px;margin-top:8px}
.num{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--mint);color:var(--green-strong);font-weight:800;align-items:center;justify-content:center;font-size:15px;margin-bottom:14px}

/* how it works */
.flow{margin-top:44px;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px}
.flow svg{width:100%;height:auto}
.flow-m{display:none}
.feat{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:20px}

/* spaces */
.space{overflow:hidden;padding:0;display:flex;flex-direction:column}
.space img{aspect-ratio:16/9;object-fit:cover;width:100%}
.space .body{padding:20px 22px 24px}
.space ul{margin:10px 0 0 18px;color:var(--sub);font-size:15px}

/* pricing */
.price{width:100%;border-collapse:collapse;margin-top:36px;background:#fff;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.price th,.price td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:16px}
.price thead th{background:var(--bg-deep);color:#fff;font-weight:700}
.price tbody th{color:var(--sub);font-weight:600;width:28%}
.price td b{font-size:19px}
.note{font-size:14px;color:var(--faint);margin-top:12px}
.product{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:center;margin-top:40px}
.product img{background:#fff;border-radius:var(--radius);border:1px solid var(--line);padding:24px;max-height:340px;margin:auto}
.spec{list-style:none;margin-top:10px}
.spec li{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0;font-size:16px}
.spec li span:first-child{color:var(--sub)}

/* cases */
.cases{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;max-width:960px;margin-top:40px}
.cases figure{position:relative;border-radius:14px;overflow:hidden;background:#ddd}
.cases img{aspect-ratio:4/3;object-fit:cover;width:100%}
.cases figcaption{position:absolute;inset:auto 0 0 0;padding:28px 12px 10px;font-size:14px;font-weight:600;color:#fff;background:linear-gradient(transparent,rgba(0,0,0,.65))}
.refs{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.refs h3{font-size:16px;color:var(--green-strong)}
.refs p{font-size:15px;color:var(--sub);margin-top:6px}

/* trust */
.trust{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:40px}
.trust .card h3{font-size:17px}

/* process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:40px;counter-reset:s}

/* faq */
.faq{max-width:820px;margin-top:36px}
.faq details{border-bottom:1px solid var(--line);padding:20px 0}
.faq summary{cursor:pointer;font-weight:700;font-size:18px;list-style:none;display:flex;justify-content:space-between;gap:16px}
.faq summary::after{content:"+";color:var(--green);font-size:24px;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq p{color:var(--sub);margin-top:10px;font-size:16px}

/* contact */
.contact{background:var(--bg-deep);color:#fff}
.contact .wrap{display:grid;grid-template-columns:.9fr 1.1fr;gap:48px}
.contact .eyebrow{color:#8fd8b3}
.contact .lead{color:#c5d8cf}
.contact .tel{display:block;font-size:34px;font-weight:800;margin-top:26px;text-decoration:none}
.contact small{color:#9fb8ad}
form{background:#fff;color:var(--ink);border-radius:var(--radius);padding:28px}
.row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
label{display:block;font-size:14px;font-weight:700;margin:14px 0 6px}
label .req{color:#c0392b}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1.5px solid var(--line);border-radius:12px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--green)}
textarea{min-height:96px;resize:vertical}
.consent{background:var(--bg-soft);border-radius:12px;padding:14px 16px;font-size:13.5px;color:var(--sub);margin-top:18px;line-height:1.6}
.consent ul{margin:6px 0 0 18px}
.check{display:flex;gap:10px;align-items:flex-start;font-size:15px;font-weight:600;margin-top:12px}
.check input{width:20px;height:20px;margin-top:3px;flex:none}
form .btn{width:100%;margin-top:18px}
.hp{position:absolute;left:-9999px}

/* footer */
footer{padding:36px 0 110px;font-size:14px;color:var(--sub);border-top:1px solid var(--line)}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px}
footer b{color:var(--ink)}
footer a{color:var(--sub)}

/* mobile bar */
.mbar{display:none}

@media (max-width:900px){
  section{padding:64px 0}
  .nav{display:none}
  .hero .wrap.split,.product,.contact .wrap{grid-template-columns:1fr}
  .hero-visual{order:-1;max-width:100%;justify-self:stretch}
  .hero-visual img{aspect-ratio:16/9;max-height:200px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .grid3,.grid4,.feat,.trust,.steps,.refs{grid-template-columns:1fr 1fr}
  .cases{grid-template-columns:repeat(2,1fr)}
  .top .btn{display:none}
  .mbar{display:grid;grid-template-columns:1fr 1fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid var(--line)}
  .mbar .btn{min-height:50px}
}
@media (max-width:560px){
  .grid3,.grid4,.feat,.trust,.steps,.refs,.row{grid-template-columns:1fr}
  .price th,.price td{padding:12px;font-size:15px}
  .flow{padding:18px}
  .flow svg{display:none}
  .flow-m{display:block;list-style:none;counter-reset:f}
  .flow-m li{counter-increment:f;position:relative;padding:14px 0 14px 52px;border-left:2px dashed #9fd3b9;margin-left:17px}
  .flow-m li:last-child{border-left-color:transparent}
  .flow-m li::before{content:counter(f);position:absolute;left:-18px;top:12px;width:34px;height:34px;border-radius:50%;background:var(--green);color:#fff;font-weight:800;display:flex;align-items:center;justify-content:center}
  .flow-m b{display:block;font-size:18px}
  .flow-m span{color:var(--sub);font-size:15px}
  .stats b{font-size:21px}
}