@import url('https://cdn.jsdelivr.net/gh/orioncactus/pretendard@v1.3.9/dist/web/variable/pretendardvariable.css');

:root{
  --ink:#14181a;
  --ink-2:#20272a;
  --paper:#f4f6f4;
  --paper-2:#e9ece8;
  --verd:#3f8a76;
  --verd-dark:#2b6153;
  --verd-light:#6bbfa5;
  --brass:#a97a3a;
  --line:#d8ddd8;
  --muted:#5b6560;
  --max:1200px;
  --gap:clamp(20px,4vw,56px);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Pretendard Variable',Pretendard,-apple-system,'Malgun Gothic',sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;
  overflow-wrap:break-word;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gap)}
.eyebrow{
  font-size:13px;font-weight:600;letter-spacing:.04em;color:var(--verd-dark);
  display:flex;align-items:center;gap:10px;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:1.5px;background:var(--verd);display:inline-block}

/* ── nav ── */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:50;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--gap);
  transition:background .3s ease,padding .3s ease,box-shadow .3s ease;
}
.nav.solid{background:rgba(244,246,244,.92);backdrop-filter:saturate(140%) blur(10px);box-shadow:0 1px 0 var(--line);padding:12px var(--gap)}
.nav .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;letter-spacing:-.01em}
.nav .brand img{width:28px;height:28px}
.nav .brand .en{font-size:11px;font-weight:600;color:var(--muted);letter-spacing:.06em;display:block}
.nav ul{list-style:none;display:flex;gap:32px;margin:0;padding:0}
.nav a.link{font-size:14px;font-weight:500;color:var(--ink);opacity:.75}
.nav a.link:hover{opacity:1}
.nav-links{display:flex;align-items:center;gap:32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 24px;font-size:14px;font-weight:600;border-radius:3px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease,background .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--verd);color:#fff}
.btn-primary:hover{background:var(--verd-dark);transform:translateY(-1px)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:var(--paper)}
.btn-lg{padding:16px 30px;font-size:15px}
@media (max-width:900px){ .nav ul{display:none} }

/* ── hero ── */
.hero{
  position:relative;padding:168px var(--gap) 96px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:end;
  background:var(--paper);overflow:hidden;
}
.hero::before{
  content:"";position:absolute;left:0;right:0;top:0;height:100%;
  background:
    linear-gradient(180deg,transparent 0%,var(--paper) 96%),
    repeating-linear-gradient(90deg,var(--line) 0 1px,transparent 1px 120px);
  opacity:.5;pointer-events:none;z-index:0;
}
.hero-copy{position:relative;z-index:1}
.hero h1{
  font-size:clamp(38px,5.4vw,68px);line-height:1.04;letter-spacing:-.02em;
  margin:0 0 26px;font-weight:800;
}
.hero h1 .en{display:block;font-size:.28em;font-weight:600;color:var(--verd-dark);letter-spacing:.08em;margin-top:10px}
.hero .lead{font-size:18px;color:var(--ink-2);max-width:46ch;margin:0 0 34px}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:44px}
.hero-figure{
  position:relative;z-index:1;aspect-ratio:4/5;border-radius:4px;overflow:hidden;
  border:1px solid var(--line);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;transform:scale(1.08);transition:transform .6s ease}
.hero-figure .cap{
  position:absolute;left:0;right:0;bottom:0;padding:16px 18px;
  background:linear-gradient(0deg,rgba(20,24,26,.75),transparent);
  color:#fff;font-size:12.5px;letter-spacing:.02em;
}
.factbar{
  position:relative;z-index:1;grid-column:1/-1;margin-top:12px;
  display:grid;grid-template-columns:repeat(3,1fr);border-top:1px solid var(--line);
}
.factbar div{padding:20px 0 0}
.factbar b{display:block;font-size:24px;font-weight:800;letter-spacing:-.01em}
.factbar span{font-size:13px;color:var(--muted)}
@media (max-width:860px){
  .hero{grid-template-columns:1fr;padding-top:128px}
  .hero-figure{aspect-ratio:16/10;order:-1}
  .factbar{grid-template-columns:1fr 1fr 1fr;gap:14px}
}

/* ── section basics ── */
section{padding:96px var(--gap)}
.section-head{max-width:640px;margin-bottom:52px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);line-height:1.2;letter-spacing:-.01em;margin:0 0 14px;font-weight:800}
.section-head p{font-size:16px;color:var(--muted);margin:0}
.section-alt{background:var(--ink);color:var(--paper)}
.section-alt .section-head p{color:#9aa8a2}
.section-alt .eyebrow{color:var(--verd-light)}

/* ── why (asymmetric rows) ── */
.why-row{
  display:grid;grid-template-columns:.85fr 1.15fr;gap:var(--gap);
  padding:44px 0;border-top:1px solid var(--line);align-items:center;
}
.why-row:last-child{border-bottom:1px solid var(--line)}
.why-row:nth-child(even){grid-template-columns:1.15fr .85fr}
.why-row:nth-child(even) .why-figure{order:2}
.why-num{font-size:13px;font-weight:700;color:var(--verd-dark);letter-spacing:.06em;margin-bottom:10px;display:block}
.why-row h3{font-size:24px;margin:0 0 12px;font-weight:800;letter-spacing:-.01em}
.why-row p{color:var(--ink-2);margin:0;font-size:15.5px;max-width:52ch}
.why-figure{border-radius:4px;overflow:hidden;aspect-ratio:16/10;border:1px solid var(--line)}
.why-figure img{width:100%;height:100%;object-fit:cover}
@media (max-width:800px){
  .why-row,.why-row:nth-child(even){grid-template-columns:1fr}
  .why-row:nth-child(even) .why-figure{order:0}
}

/* ── services ── */
.cat-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:40px}
.cat-tab{
  padding:9px 16px;border:1px solid var(--line);border-radius:100px;font-size:13.5px;font-weight:600;
  color:var(--muted);cursor:pointer;background:transparent;transition:all .18s ease;
}
.cat-tab.active,.cat-tab:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.cat-group{margin-bottom:56px}
.cat-group h3{font-size:15px;font-weight:700;color:var(--verd-dark);margin:0 0 4px;display:flex;align-items:baseline;gap:10px}
.cat-group h3 span{font-size:13px;font-weight:500;color:var(--muted)}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:20px}
.svc-card{
  position:relative;border:1px solid var(--line);border-radius:4px;overflow:hidden;background:#fff;
  transition:transform .2s ease,box-shadow .2s ease;
}
.svc-card:hover{transform:translateY(-3px);box-shadow:0 14px 30px -18px rgba(20,24,26,.35)}
.svc-card .thumb{aspect-ratio:4/3;overflow:hidden}
.svc-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.svc-card:hover .thumb img{transform:scale(1.06)}
.svc-card .body{padding:18px}
.svc-card .body h4{font-size:16.5px;margin:0 0 6px;font-weight:700}
.svc-card .body p{font-size:13.5px;color:var(--muted);margin:0 0 14px;min-height:38px}
.svc-card .go{font-size:13px;font-weight:600;color:var(--verd-dark);display:inline-flex;align-items:center;gap:6px}
.svc-card .go svg{width:13px;height:13px;transition:transform .2s ease}
.svc-card:hover .go svg{transform:translate(3px,-3px)}
@media (max-width:900px){ .svc-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .svc-grid{grid-template-columns:1fr} }

/* ── process table ── */
.proc-table{width:100%;border-collapse:collapse;margin-top:8px}
.proc-table th,.proc-table td{text-align:left;padding:16px 18px;border-bottom:1px solid var(--line);font-size:14.5px}
.proc-table th{font-size:12.5px;letter-spacing:.04em;color:var(--muted);font-weight:700;border-bottom:1.5px solid var(--ink)}
.proc-table td:first-child{font-weight:700;white-space:nowrap;color:var(--verd-dark)}

/* ── faq ── */
.faq-item{border-top:1px solid var(--line);padding:26px 0}
.faq-item:last-child{border-bottom:1px solid var(--line)}
.faq-item h3{font-size:16.5px;font-weight:700;margin:0 0 10px;display:flex;gap:12px}
.faq-item h3 .q{color:var(--verd-dark)}
.faq-item p{margin:0;color:var(--ink-2);font-size:14.5px;max-width:70ch}

/* ── trust/footer ── */
.trust-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:start}
.trust-card{border:1px solid #34403b;border-radius:4px;padding:28px;background:#181f1c;color:var(--paper)}
.trust-card dt{font-size:12px;color:#8ea59b;letter-spacing:.03em;margin-bottom:4px}
.trust-card dd{margin:0 0 18px;font-size:15px;font-weight:600;color:var(--paper)}
.trust-card dd:last-child{margin-bottom:0}
.chan-row{display:flex;gap:12px;margin-top:20px;flex-wrap:wrap}
.chan-row a{border:1px solid #34403b;border-radius:3px;padding:10px 14px;font-size:13px;font-weight:600;color:#cfe0d8;white-space:nowrap}
.chan-row a:hover{border-color:var(--verd-light);color:var(--verd-light)}
.trust-grid-consult{grid-template-columns:1.1fr .9fr}
@media (max-width:700px){
  .trust-grid, .trust-grid-consult{grid-template-columns:1fr}
}

footer{padding:40px var(--gap);border-top:1px solid #262f2b;font-size:12.5px;color:#77887f;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}
footer .biz-info{max-width:640px}

/* ── reveal ── */
[data-reveal]{opacity:0;transform:translateY(24px);transition:opacity .7s cubic-bezier(.2,.7,.2,1),transform .7s cubic-bezier(.2,.7,.2,1)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="left"]{transform:translateX(-28px)}
[data-reveal="left"].in{transform:none}
[data-reveal="right"]{transform:translateX(28px)}
[data-reveal="right"].in{transform:none}
[data-reveal="scale"]{transform:scale(1.06);opacity:0}
[data-reveal="scale"].in{transform:none;opacity:1}
[data-reveal-group] [data-reveal]{transition-delay:calc(var(--d,0) * 80ms)}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1!important;transform:none!important;transition:none!important}
}