*,
*::before,
*::after{box-sizing:border-box}

:root{
  --guide-ink:#102c38;
  --guide-copy:#354c5b;
  --guide-muted:#7b8996;
  --guide-blue:#5f9dd1;
  --guide-blue-strong:#4f8fd8;
  --guide-soft:#eef7ff;
  --guide-line:#dfe8f1;
  --guide-shell:min(1320px,calc(100% - 84px));
  --guide-serif:"Playfair Display","Fraunces","Georgia","Times New Roman",serif;
  --guide-sans:"Pretendard Variable","SF Pro KR","SF Pro Text",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
}
html,body{margin:0;min-height:100%}
body.guide-page{
  background:#fff;
  color:var(--guide-ink);
  font-family:var(--guide-sans);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
body.guide-page a{color:inherit;text-decoration:none}
body.guide-page img,
body.guide-page svg{display:block;max-width:100%}
:focus-visible{outline:2px solid rgba(79,143,216,.72);outline-offset:3px}

.guide-main{
  min-height:100svh;
  padding-top:74px;
  background:#fff;
}
.guide-shell{
  width:var(--guide-shell);
  margin-inline:auto;
}
.guide-hero{
  position:relative;
  min-height:292px;
  display:grid;
  grid-template-columns:minmax(0,.72fr) minmax(0,1.28fr);
  align-items:center;
  gap:42px;
  padding:46px max(42px,calc((100vw - 1320px) / 2)) 38px;
  border-bottom:1px solid var(--guide-line);
  overflow:hidden;
  background:
    radial-gradient(circle at 64% 48%,rgba(255,255,255,.95),rgba(255,255,255,0) 26%),
    linear-gradient(103deg,#f8fbff 0%,#f1f8ff 48%,#e4f1fb 100%);
}
.guide-eyebrow{
  margin:0 0 17px;
  color:#29404f;
  font-size:12px;
  font-weight:850;
  letter-spacing:.02em;
  text-transform:uppercase;
}
.guide-hero h1{
  margin:0;
  color:#102c38;
  font-family:var(--guide-serif);
  font-size:clamp(54px,5.9vw,78px);
  font-weight:700;
  line-height:.98;
  letter-spacing:-.05em;
}
.guide-hero p{
  margin:18px 0 0;
  color:#263f50;
  font-size:18px;
  font-weight:600;
  line-height:1.65;
  letter-spacing:-.025em;
}
.guide-hero__visual{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:1.25fr auto .82fr auto .92fr auto .9fr;
  align-items:center;
  gap:22px;
  min-width:0;
}
.guide-device,
.guide-file-card,
.guide-printer{
  border:1px solid #d7e7f7;
  border-radius:8px;
  background:rgba(255,255,255,.84);
  box-shadow:0 18px 44px rgba(62,119,162,.12);
}
.guide-device{
  display:grid;
  place-items:center;
  aspect-ratio:1.42 / 1;
  padding:18px;
}
.guide-device img{
  width:72%;
  height:100%;
  object-fit:contain;
  filter:saturate(.76) contrast(.98);
}
.guide-file-card{
  display:grid;
  place-items:center;
  gap:4px;
  min-height:82px;
  padding:16px 22px;
  color:#4f8fd8;
}
.guide-file-card strong{
  font-size:22px;
  font-weight:950;
}
.guide-file-card span{
  color:#8091a0;
  font-size:12px;
  font-weight:800;
}
.guide-printer{
  position:relative;
  aspect-ratio:1 / .78;
  min-height:116px;
  padding:16px;
}
.guide-printer::before{
  content:"";
  position:absolute;
  inset:18px 20px 30px;
  border:3px solid #243844;
  border-radius:6px;
}
.guide-printer::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:18px;
  width:54%;
  height:18px;
  border-radius:4px;
  background:#e6eef6;
  transform:translateX(-50%);
}
.guide-printer div{
  position:absolute;
  left:50%;
  top:36px;
  width:34px;
  height:28px;
  border-radius:5px;
  background:#455563;
  transform:translateX(-50%);
}
.guide-flow-arrow{
  color:#102c38;
  font-size:24px;
  font-weight:700;
}
.guide-figure{
  width:100%;
  max-height:190px;
  object-fit:contain;
  filter:saturate(.86) contrast(.98);
}

.guide-steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  margin-top:28px;
  border:1px solid var(--guide-line);
  border-radius:8px;
  background:#fff;
}
.guide-steps article{
  display:grid;
  grid-template-columns:42px auto;
  grid-template-areas:"icon meta" "icon title" "icon text";
  column-gap:15px;
  align-content:center;
  min-height:96px;
  padding:20px 26px;
}
.guide-steps article + article{
  border-left:1px solid var(--guide-line);
}
.guide-steps svg{
  grid-area:icon;
  width:34px;
  height:34px;
  color:#4f8fd8;
  align-self:center;
}
.guide-steps span{
  grid-area:meta;
  color:#4f8fd8;
  font-size:13px;
  font-weight:900;
}
.guide-steps strong{
  grid-area:title;
  color:#172b37;
  font-size:14px;
  font-weight:900;
  letter-spacing:-.025em;
}
.guide-steps p{
  grid-area:text;
  margin:2px 0 0;
  color:#728391;
  font-size:12px;
  font-weight:650;
}

.guide-section{
  padding-top:42px;
}
.guide-section__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  margin-bottom:18px;
}
.guide-section__head h2{
  margin:0;
  color:#102c38;
  font-family:var(--guide-serif);
  font-size:28px;
  font-weight:700;
  letter-spacing:-.035em;
}
.guide-section__head a{
  color:#6ba8dc;
  font-size:13px;
  font-weight:850;
}
.guide-card-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;
}
.guide-card{
  position:relative;
  min-height:172px;
  display:grid;
  align-content:start;
  gap:8px;
  overflow:hidden;
  padding:23px 22px;
  border:1px solid #e2eaf2;
  border-radius:8px;
  background:#fff;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.guide-card:hover{
  transform:translateY(-3px);
  border-color:#c8dbea;
  box-shadow:0 18px 40px rgba(43,83,112,.1);
}
.guide-card span{
  color:#172b37;
  font-size:16px;
  font-weight:900;
  letter-spacing:-.03em;
}
.guide-card p{
  position:relative;
  z-index:1;
  max-width:70%;
  margin:0;
  color:#687986;
  font-size:13px;
  font-weight:650;
  line-height:1.55;
}
.guide-card img{
  position:absolute;
  right:12px;
  bottom:8px;
  width:40%;
  height:54%;
  object-fit:contain;
  opacity:.88;
}
.guide-card b{
  margin-top:12px;
  color:#5b9bd0;
  font-size:12px;
  font-weight:900;
}

.guide-faq{
  padding-top:42px;
  padding-bottom:78px;
}
.guide-faq-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px 16px;
}
.guide-faq details{
  border:1px solid #e2eaf2;
  border-radius:8px;
  background:#fff;
}
.guide-faq summary{
  min-height:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:0 18px;
  color:#263b48;
  font-size:14px;
  font-weight:850;
  cursor:pointer;
  list-style:none;
}
.guide-faq summary::-webkit-details-marker{display:none}
.guide-faq summary::after{
  content:"⌄";
  color:#8aa0b1;
}
.guide-faq details[open] summary::after{
  transform:rotate(180deg);
}
.guide-faq details p{
  margin:0;
  padding:0 18px 18px;
  color:#687986;
  font-size:13px;
  font-weight:650;
  line-height:1.65;
}

@media(max-width:1100px){
  .guide-hero{
    grid-template-columns:1fr;
  }
  .guide-hero__visual{
    grid-template-columns:1fr auto 1fr auto 1fr;
  }
  .guide-figure,
  .guide-hero__visual .guide-flow-arrow:nth-of-type(3){
    display:none;
  }
  .guide-steps,
  .guide-card-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .guide-steps article:nth-child(3){
    border-left:0;
    border-top:1px solid var(--guide-line);
  }
  .guide-steps article:nth-child(4){
    border-top:1px solid var(--guide-line);
  }
}
@media(max-width:720px){
  :root{--guide-shell:min(100%,calc(100% - 28px))}
  .guide-main{padding-top:64px}
  .guide-hero{
    padding:42px 14px 34px;
    min-height:0;
  }
  .guide-hero h1{font-size:48px}
  .guide-hero p{font-size:15px}
  .guide-hero__visual{
    grid-template-columns:1fr;
    gap:12px;
  }
  .guide-flow-arrow{display:none}
  .guide-steps,
  .guide-card-grid,
  .guide-faq-grid{
    grid-template-columns:1fr;
  }
  .guide-steps article,
  .guide-steps article + article,
  .guide-steps article:nth-child(3),
  .guide-steps article:nth-child(4){
    border-left:0;
    border-top:1px solid var(--guide-line);
  }
  .guide-steps article:first-child{border-top:0}
  .guide-card p{max-width:78%}
}
