/* 보도블럭시공배수 — 전용 스타일 (팔레트: #023E58 / #E6F4F1 / #00A6A6, 타입스케일 1.414, 패딩 120px, 라운드 4px) */
@font-face{
  font-family:"SUIT Variable";
  src:local("SUIT Variable");
  font-display:swap;
}
@import url('https://cdn.jsdelivr.net/gh/sunn-us/SUIT/fonts/variable/woff2/SUIT-Variable.css');

:root{
  --dp-drain-primary:#023E58;
  --dp-drain-bg:#E6F4F1;
  --dp-drain-accent:#00A6A6;
  --dp-drain-radius:4px;
  --dp-drain-font-head:"SUIT Variable","Pretendard","Noto Sans KR",sans-serif;
  --dp-drain-font-body:"Pretendard","Noto Sans KR",sans-serif;
}

.site-header{position:sticky;top:0;z-index:60;}

/* 섹션 패딩 120px 계열 */
.section{padding:120px 0;}
@media (max-width:768px){.section{padding:60px 0;}}

/* 타입 스케일 1.414 기준 */
.dp-drain-hero h1{font-family:var(--dp-drain-font-head);font-size:clamp(32px,5.4vw,52px);}
.dp-drain-body{font-family:var(--dp-drain-font-body);font-size:17px;line-height:1.9;color:#1c3f4c;max-width:820px;}
.dp-drain-lead{font-family:var(--dp-drain-font-body);font-size:19px;line-height:1.9;color:var(--dp-drain-primary);font-weight:700;}
.dp-drain-eyebrow{background:#cfeeea;color:#026a6a;border-radius:var(--dp-drain-radius);}
.section-head h2{font-family:var(--dp-drain-font-head);}

/* 히어로: 하단 와이드 배너(사진 없이 SVG로 표현) */
.dp-drain-hero{background:linear-gradient(180deg,var(--dp-drain-primary) 0%,#012a3d 100%);padding-bottom:0;overflow:hidden;}
.dp-drain-hero .btn-primary{background:var(--dp-drain-accent);color:#012a3d;border-radius:var(--dp-drain-radius);box-shadow:0 10px 24px rgba(0,166,166,.35);}
.dp-drain-hero .btn-primary:hover{background:#008a8a;}
.dp-drain-hero .btn-outline{border-radius:var(--dp-drain-radius);}
.dp-drain-wide{width:100%;line-height:0;margin-top:48px;}
.dp-drain-wide svg{width:100%;height:110px;display:block;}

/* SVG 도식 */
.dp-drain-svg{width:100%;height:auto;background:var(--dp-drain-bg);border-radius:var(--dp-drain-radius);padding:12px;}

/* 표 */
.dp-drain-table-wrap{overflow-x:auto;border-radius:var(--dp-drain-radius);border:1px solid #cfe4df;}
.dp-drain-table{width:100%;border-collapse:collapse;min-width:580px;background:#fff;}
.dp-drain-table caption{text-align:left;font-size:14px;font-weight:700;color:var(--dp-drain-primary);padding:14px 18px;background:#dcf0ec;}
.dp-drain-table th,.dp-drain-table td{padding:14px 18px;font-size:15px;text-align:left;border-bottom:1px solid #dcf0ec;}
.dp-drain-table th{background:var(--dp-drain-primary);color:#fff;font-weight:700;}
.dp-drain-table tbody tr:last-child td{border-bottom:none;}
.dp-drain-table-note{margin-top:14px;font-size:13.5px;color:#3d5c66;}

/* 사진 캡션 */
.photo-caption{margin-top:8px;font-size:13.5px;font-weight:700;color:var(--dp-drain-primary);text-align:center;}

/* 라운드 4px 정책 */
.guide-item,.process-item{border-radius:var(--dp-drain-radius);}

/* 접근성 · 모션 */
a:focus-visible,button:focus-visible{outline:3px solid var(--dp-drain-accent);outline-offset:2px;}
@media (prefers-reduced-motion:reduce){.process-item img{transition:none;}}

/* footer가 4열(브랜드/바로가기/관련페이지/문의)이라 전역 3열 정의에 최소 오버라이드 */
.footer-grid{grid-template-columns:1.3fr 1fr 1fr 1fr;}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;}}
@media (max-width:768px){.footer-grid{grid-template-columns:1fr;}}