:root{
  --h: 35;
  --bg: hsl(var(--h) 12% 93%);
  --ink: hsl(var(--h) 20% 15%);
  --ink-soft: hsl(var(--h) 12% 36%);
  --line: hsl(var(--h) 15% 72%);
  --accent: hsl(var(--h) 75% 40%);
  --accent-dark: hsl(var(--h) 70% 30%);
  --accent-tint: hsl(var(--h) 55% 90%);
  --radius: 0;
  --font: "Noto Sans KR", -apple-system, "Malgun Gothic", sans-serif;
}

*{box-sizing:border-box;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font);
  font-size:16px;
  line-height:1.7;
  overflow-x:hidden;
  max-width:100%;
}
img{max-width:100%;display:block;}
a{color:var(--accent-dark);}
h1,h2,h3{color:var(--ink);line-height:1.35;}

.r03-header-inner,.r03-hero-inner,.r03-summary-inner,.r03-gallery-inner,
.r03-body,.r03-body2-inner,.r03-cards-inner,.r03-cta-inner,.r03-faq-inner,.r03-footer-inner{
  max-width:1080px;
  margin:0 auto;
  padding:0 20px;
}

/* header */
.r03-header{background:hsl(var(--h) 12% 96%);border-bottom:3px double var(--line);}
.r03-header-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;}
.r03-sitename{margin:0;font-weight:700;font-size:1.1rem;}
.r03-nav{display:flex;flex-wrap:wrap;gap:6px 16px;}
.r03-nav a{text-decoration:none;color:var(--ink-soft);font-size:.92rem;min-height:44px;display:inline-flex;align-items:center;}
.r03-nav a:hover{color:var(--accent-dark);}

/* hero: 상단 얇은 액센트 바 */
.r03-accent-bar{height:6px;background:var(--accent);}
.r03-hero{padding:36px 0 8px;}
.r03-hero h1{font-size:clamp(1.8rem, 5.6vw, 2.8rem);margin:0 0 16px;}
.r03-lead{color:var(--ink-soft);font-size:1.02rem;margin:0 0 20px;max-width:720px;}
.r03-hero-cta{
  display:inline-flex;align-items:center;min-height:44px;padding:0 22px;
  background:var(--accent);color:#fff;text-decoration:none;font-weight:700;
}
.r03-hero-cta:hover{background:var(--accent-dark);}

/* summary */
.r03-summary{padding:20px 0 28px;}
.r03-summary-title{font-size:1.2rem;margin:0 0 12px;}
.r03-summary ul{margin:0;padding-left:1.2em;color:var(--ink-soft);}
.r03-summary li{margin-bottom:6px;}

/* gallery: 3+1 */
.r03-gallery{padding:8px 0 28px;}
.r03-gallery-inner{display:flex;flex-direction:column;gap:10px;}
.r03-gallery-main img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);}
.r03-gallery-sub{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;}
.r03-gallery-sub img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);}
@media (min-width:760px){
  .r03-gallery-inner{flex-direction:row;}
  .r03-gallery-main{flex:2;}
  .r03-gallery-sub{flex:1;grid-template-columns:1fr;}
}

/* body: 2컬럼 텍스트 */
.r03-body{
  display:flex;flex-direction:column;gap:0 40px;
  padding:12px 20px 8px;border-top:3px double var(--line);
}
.r03-body-col{flex:1;}
.r03-body h2{font-size:clamp(1.2rem,3.4vw,1.45rem);margin:28px 0 12px;}
.r03-body h2:first-of-type{margin-top:16px;}
.r03-body h3{font-size:1.08rem;margin:20px 0 8px;}
.r03-body p{margin:0 0 14px;}
@media (min-width:820px){
  .r03-body{flex-direction:row;}
}

.r03-table-wrap{overflow-x:auto;margin:14px 0;}
.r03-body table{width:100%;border-collapse:collapse;min-width:480px;}
.r03-body caption{text-align:left;font-weight:700;margin-bottom:8px;color:var(--ink-soft);}
.r03-body th,.r03-body td{border:1px solid var(--line);padding:9px 10px;text-align:left;font-size:.92rem;}
.r03-body thead th{background:var(--accent-tint);}

/* body2: dl + checklist */
.r03-body2{padding:8px 0 30px;}
.r03-body2-inner{max-width:840px;}
.r03-body2 h2{font-size:clamp(1.2rem,3.4vw,1.45rem);margin:28px 0 12px;}
.r03-dl dt{font-weight:700;margin-top:14px;}
.r03-dl dd{margin:6px 0 0;color:var(--ink-soft);}
.r03-checklist{padding-left:1.3em;margin:0;}
.r03-checklist li{margin-bottom:8px;}
.r03-updated{margin-top:26px;font-size:.88rem;color:var(--ink-soft);}

/* cards: 3x2 넘버링 */
.r03-cards{padding:24px 0;border-top:3px double var(--line);}
.r03-cards-title{font-size:1.3rem;margin:0 0 18px;}
.r03-cards-grid{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:760px){.r03-cards-grid{grid-template-columns:repeat(3,1fr);}}
.r03-card{
  position:relative;display:block;border:1px solid var(--line);padding:20px 16px 16px;
  text-decoration:none;color:var(--ink);min-height:44px;background:hsl(var(--h) 12% 97%);
}
.r03-card:hover{border-color:var(--accent);}
.r03-card-num{
  position:absolute;top:-12px;left:16px;background:var(--accent);color:#fff;
  font-weight:800;font-size:.8rem;padding:2px 8px;
}
.r03-card-title{font-weight:700;margin:10px 0 8px;}
.r03-card-desc{margin:0;color:var(--ink-soft);font-size:.92rem;}

/* cta: 박스 아웃라인 */
.r03-cta{padding:36px 0;}
.r03-cta-inner{
  border:2px solid var(--accent-dark);padding:28px 24px;text-align:center;
}
.r03-cta h2{margin:0 0 10px;font-size:1.3rem;}
.r03-cta p{margin:0 0 18px;color:var(--ink-soft);}
.r03-cta-btn{
  display:inline-flex;align-items:center;min-height:44px;padding:0 24px;
  background:var(--accent-dark);color:#fff;text-decoration:none;font-weight:700;
}

/* faq */
.r03-faq{padding:32px 0 44px;}
.r03-faq h2{font-size:1.3rem;margin:0 0 16px;}
.r03-faq details{border-bottom:1px solid var(--line);padding:14px 0;}
.r03-faq summary{cursor:pointer;font-weight:700;min-height:44px;display:flex;align-items:center;}
.r03-faq p{margin:10px 0 0;color:var(--ink-soft);}

/* footer */
.r03-footer{background:hsl(var(--h) 15% 16%);color:hsl(var(--h) 10% 88%);padding:28px 0;}
.r03-biz-title{margin:0 0 10px;font-weight:700;color:#fff;}
.r03-biz-list{list-style:none;margin:0 0 12px;padding:0;font-size:.9rem;}
.r03-biz-list li{margin-bottom:4px;}
.r03-copy{margin:0;font-size:.82rem;opacity:.8;}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
}
@media (prefers-color-scheme: dark){
  :root{
    --bg: hsl(var(--h) 15% 11%);
    --ink: hsl(var(--h) 10% 92%);
    --ink-soft: hsl(var(--h) 8% 74%);
    --line: hsl(var(--h) 15% 30%);
    --accent-tint: hsl(var(--h) 35% 22%);
  }
  .r03-header{background:hsl(var(--h) 15% 9%);}
  .r03-card{background:hsl(var(--h) 15% 13%);}
}