/* ================= 기본 ================= */
:root{
  --navy:#10233f;
  --navy-2:#1b3a66;
  --blue:#1e6fd4;
  --blue-d:#1857a8;
  --red:#e63027;
  --red-d:#c41f17;
  --ink:#1f2733;
  --gray:#5a6675;
  --line:#e3e8ef;
  --bg:#f5f7fa;
  --white:#fff;
  --radius:12px;
  --shadow:0 8px 30px rgba(16,35,63,.10);
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:'Noto Sans KR',-apple-system,BlinkMacSystemFont,sans-serif;
  color:var(--ink);
  background:var(--white);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  word-break:keep-all;       /* 한글이 단어 중간에서 끊기지 않게 */
  overflow-wrap:break-word;  /* 긴 단어는 넘치지 않게 */
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
em{font-style:normal}

.container{max-width:1400px;margin:0 auto;padding:0 20px}
.container-narrow{max-width:760px}

/* ================= 버튼 ================= */
.btn-primary,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;border-radius:50px;cursor:pointer;border:2px solid transparent;
  transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  padding:13px 26px;font-size:1rem;
}
.btn-lg{padding:16px 34px;font-size:1.1rem}
.btn-primary{background:var(--red);color:#fff;box-shadow:0 6px 18px rgba(230,48,39,.35)}
.btn-primary:hover{background:var(--red-d);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-ghost:hover{background:rgba(255,255,255,.12)}

/* ================= 헤더 ================= */
.site-header{
  position:sticky;top:0;z-index:100;background:var(--white);
  border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(0,0,0,.04);
}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.logo{display:flex;align-items:center;gap:8px;font-size:1.35rem;font-weight:900;color:var(--navy)}
.logo-icon{font-size:1.4rem}
.logo-text strong{color:var(--blue)}
.gnb{display:flex;gap:56px;flex:1;justify-content:center}
.gnb a{font-weight:500;color:var(--gray);font-size:.97rem;white-space:nowrap;transition:color .15s}
.gnb a:hover{color:var(--blue)}
.btn-call-top{
  background:var(--navy);color:#fff;font-weight:700;padding:11px 20px;border-radius:50px;
  font-size:.95rem;white-space:nowrap;transition:background .15s,transform .15s;
}
.btn-call-top:hover{background:var(--blue-d);transform:translateY(-1px)}

/* ================= 히어로 ================= */
.hero{
  background:linear-gradient(135deg,var(--navy) 0%,var(--navy-2) 100%);
  color:#fff;text-align:center;padding:84px 0 72px;position:relative;overflow:hidden;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 80% 20%,rgba(30,111,212,.25),transparent 45%);
}
.hero-inner{position:relative;z-index:1}
.hero-eyebrow{
  display:inline-block;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);
  padding:7px 18px;border-radius:50px;font-size:.9rem;font-weight:500;margin-bottom:22px;
}
.hero-title{font-size:2.6rem;font-weight:900;line-height:1.35;margin-bottom:18px}
.hero-title em{color:#ffd34d}
.hero-desc{font-size:1.15rem;color:rgba(255,255,255,.85);margin-bottom:34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-bottom:40px}
.hero-badges{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero-badges li{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  padding:10px 18px;border-radius:10px;font-size:.95rem;color:rgba(255,255,255,.9);
}
.hero-badges strong{color:#fff}

/* ================= 신뢰 배지 ================= */
.trust{background:var(--navy-2);color:#fff}
.trust-inner{display:flex;justify-content:space-around;flex-wrap:wrap;padding:26px 20px;gap:18px}
.trust-item{display:flex;flex-direction:column;align-items:center;min-width:120px}
.trust-num{font-size:1.7rem;font-weight:900;color:#ffd34d}
.trust-label{font-size:.95rem;color:rgba(255,255,255,.8)}

/* ================= 섹션 공통 ================= */
.section{padding:78px 0}
.section-alt{background:var(--bg)}
.section-head{text-align:center;max-width:680px;margin:0 auto 46px}
.section-eyebrow{color:var(--blue);font-weight:700;letter-spacing:.15em;font-size:.85rem;margin-bottom:10px}
.section-title{font-size:2rem;font-weight:900;color:var(--navy);line-height:1.4;margin-bottom:14px}
.section-sub{color:var(--gray);font-size:1.05rem}

/* ================= 탭 ================= */
.tabs{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-bottom:34px}
.tab-btn{
  display:inline-flex;align-items:center;gap:8px;font-family:inherit;cursor:pointer;
  background:#fff;border:2px solid var(--line);color:var(--gray);
  font-weight:700;font-size:1.05rem;padding:14px 28px;border-radius:50px;
  transition:all .18s ease;
}
.tab-emoji{font-size:1.2rem}
.tab-btn:hover{border-color:var(--blue);color:var(--blue)}
.tab-btn.is-active{background:var(--navy);border-color:var(--navy);color:#fff;box-shadow:var(--shadow)}

.tab-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:42px 44px;box-shadow:var(--shadow);
}
.tab-panel[hidden]{display:none}
.panel-title{font-size:1.55rem;font-weight:900;color:var(--navy);margin-bottom:14px}
.panel-lead{font-size:1.1rem;color:var(--ink);margin-bottom:28px}
.panel-sub{
  font-size:1.15rem;font-weight:700;color:var(--blue);
  margin:28px 0 14px;padding-left:14px;border-left:4px solid var(--blue);
}
.check-list li,.num-list li{position:relative;padding:8px 0 8px 32px;color:var(--ink);border-bottom:1px dashed var(--line)}
.check-list li:last-child,.num-list li:last-child{border-bottom:0}
.check-list li::before{content:"✔";position:absolute;left:4px;color:var(--blue);font-weight:900}
.num-list{counter-reset:n}
.num-list li{counter-increment:n}
.num-list li::before{
  content:counter(n);position:absolute;left:0;top:9px;
  width:22px;height:22px;background:var(--navy);color:#fff;border-radius:50%;
  font-size:.8rem;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.callout{border-radius:10px;padding:16px 20px;margin:22px 0;font-size:.98rem;line-height:1.65}
.callout-warn{background:#fff5f4;border:1px solid #ffd5d1;color:#9a2b24}

/* 비용 상담 CTA */
.price-cta{
  margin-top:34px;background:linear-gradient(135deg,var(--navy),var(--navy-2));
  color:#fff;border-radius:var(--radius);padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.price-cta h3{font-size:1.4rem;font-weight:900;margin-bottom:8px}
.price-cta p{color:rgba(255,255,255,.85)}

/* ================= 비용 안내 ================= */
.cost-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:34px}
.cost-grid.cols-2{grid-template-columns:repeat(2,1fr);max-width:820px;margin-left:auto;margin-right:auto}
.cost-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow)}
.cost-grid.cols-2 .cost-card{text-align:center;padding:34px 30px;border-top:4px solid var(--blue)}
.cost-ico{font-size:1.8rem;display:block;margin-bottom:12px}
.cost-grid.cols-2 .cost-ico{font-size:2.2rem}
.cost-card h3{font-size:1.12rem;color:var(--navy);margin-bottom:8px}
.cost-grid.cols-2 .cost-card h3{font-size:1.3rem}
.cost-card p{color:var(--gray);font-size:.96rem}

/* ================= 내시경/고압세척 장비 ================= */
.equip-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.equip-card{
  background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);
  border-radius:var(--radius);padding:28px 30px;box-shadow:var(--shadow);
}
.equip-num{display:inline-block;font-size:.78rem;font-weight:800;letter-spacing:.08em;color:#fff;background:var(--blue);padding:4px 12px;border-radius:50px;margin-bottom:14px}
.equip-card h3{font-size:1.2rem;color:var(--navy);margin-bottom:10px}
.equip-card p{color:var(--gray);font-size:.98rem}

/* ================= 시공 사례 ================= */
.case-list{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.case-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow);display:flex;flex-direction:column}
.case-tag{align-self:flex-start;background:var(--navy);color:#fff;font-size:.8rem;font-weight:700;padding:5px 14px;border-radius:50px;margin-bottom:14px}
.case-card h3{font-size:1.18rem;color:var(--navy);line-height:1.45;margin-bottom:14px}
.case-card p{font-size:.96rem;color:var(--ink);margin-bottom:12px}
.case-card .case-prob{color:var(--gray)}
.case-card p strong{color:var(--blue)}
.case-card .case-sol strong{color:var(--red)}

/* ================= 예방 습관 표 ================= */
.prevent-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.prevent-table th,.prevent-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);font-size:.97rem;vertical-align:top}
.prevent-table thead th{background:var(--navy);color:#fff;font-weight:700;border-bottom:0}
.prevent-table tbody tr:last-child td{border-bottom:0}
.prevent-table td:first-child{font-weight:700;color:var(--navy);white-space:nowrap}
.prevent-table td:last-child{color:var(--gray)}
.prevent-table strong{color:var(--red)}

/* ================= 시공 절차 ================= */
.process-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.process-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px 24px;position:relative}
.process-num{font-size:2rem;font-weight:900;color:var(--blue);opacity:.35;display:block;margin-bottom:8px}
.process-item h3{font-size:1.15rem;color:var(--navy);margin-bottom:8px}
.process-item p{color:var(--gray);font-size:.96rem}

/* ================= 후기 ================= */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.review-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow)}
.stars{color:#ffb400;font-size:1.15rem;letter-spacing:2px;margin-bottom:12px}
.review-card blockquote{color:var(--ink);font-size:1rem;margin-bottom:14px}
.review-card figcaption{color:var(--gray);font-size:.92rem;font-weight:500}

/* ================= 지역 ================= */
.area-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.area-list li{
  background:#fff;border:1px solid var(--line);border-radius:50px;
  padding:10px 22px;font-weight:500;color:var(--navy);
}
.area-note{text-align:center;color:var(--gray);font-size:.9rem;margin-top:20px}

/* 지역(동) 키워드 카드 그리드 */
.area-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.area-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;box-shadow:var(--shadow)}
.area-card h3{font-size:1.15rem;color:var(--navy);margin-bottom:8px}
/* 키워드 한 단위(○○동 서비스)는 줄 중간에서 끊기지 않고, 구분점은 줄 머리에 오지 않게 */
.area-card p{display:flex;flex-wrap:wrap;gap:4px 0;color:var(--gray);font-size:.92rem;line-height:1.55}
.area-card p span{white-space:nowrap}
.area-card p span:not(:last-child)::after{content:"·";margin:0 8px;color:var(--blue)}

/* ================= FAQ ================= */
.faq-item{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden}
.faq-item summary{
  cursor:pointer;padding:18px 22px;font-weight:700;color:var(--navy);
  list-style:none;position:relative;padding-right:48px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:1.4rem;color:var(--blue);transition:transform .2s;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 22px 20px;color:var(--gray)}

/* ================= 푸터 ================= */
.site-footer{background:var(--navy);color:rgba(255,255,255,.8)}
.footer-inner{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;padding:50px 20px}
.footer-brand .logo-text{font-size:1.5rem;font-weight:900;color:#fff;display:block;margin-bottom:14px}
.footer-brand .logo-text strong{color:var(--blue)}
.footer-brand p{font-size:.95rem;line-height:1.7}
.footer-info p{font-size:.95rem;margin-bottom:6px}
.footer-info a{color:#ffd34d;font-weight:700}
.footer-copy{border-top:1px solid rgba(255,255,255,.12);padding:18px 0;font-size:.88rem;color:rgba(255,255,255,.55)}

/* ================= 하단 고정 전화 바 ================= */
.floating-call{
  position:fixed;left:0;right:0;bottom:0;z-index:200;display:none;
  background:var(--red);color:#fff;text-align:center;font-weight:700;font-size:1.05rem;
  padding:16px;box-shadow:0 -4px 16px rgba(0,0,0,.2);
}
.floating-call:hover{background:var(--red-d)}

/* ================= 반응형 ================= */
@media (max-width:900px){
  .process-list{grid-template-columns:repeat(2,1fr)}
  .review-grid{grid-template-columns:1fr}
  .cost-grid{grid-template-columns:repeat(2,1fr)}
  .equip-grid{grid-template-columns:1fr}
  .case-list{grid-template-columns:1fr}
  .area-grid{grid-template-columns:repeat(2,1fr)}
  .gnb{display:none}
}
@media (max-width:640px){
  .header-inner{height:60px}
  .logo{font-size:1.15rem}
  .btn-call-top{padding:9px 14px;font-size:.82rem}
  .hero{padding:60px 0 56px}
  .hero-title{font-size:1.8rem}
  .hero-desc{font-size:1rem}
  .section{padding:54px 0}
  .section-title{font-size:1.55rem}
  .tab-btn{font-size:.95rem;padding:11px 18px}
  .tab-panel{padding:28px 22px}
  .process-list{grid-template-columns:1fr}
  .cost-grid,.cost-grid.cols-2{grid-template-columns:1fr}
  .price-cta{padding:26px 24px}
  .price-cta h3{font-size:1.2rem}
  .prevent-table th,.prevent-table td{padding:12px 12px;font-size:.9rem}
  .prevent-table td:first-child{white-space:normal}
  /* 모바일에서는 강제 줄바꿈(<br>)을 풀어 자연스럽게 흐르게 */
  .hero-title br,.hero-desc br,.price-cta p br,.footer-brand p br{display:none}
  body{padding-bottom:60px}      /* 고정 전화 바 공간 */
  .floating-call{display:block}
}
@media (max-width:480px){
  .cost-grid,.area-grid{grid-template-columns:1fr}
  .hero-title{font-size:1.6rem}
  .hero-badges{gap:8px}
  .hero-badges li{padding:8px 12px;font-size:.85rem}
}