:root{
    --ink:#16324A; --moss:#1F9AC9; --moss-deep:#137099; --moss-soft:#8ED4EC;
    --cream:#FFFFFF; --cream-alt:#F0F8FC; --line:#E0ECF2; --muted2:#5C7386;
    --white:#FFFFFF; --radius:4px; --maxw:1160px;
    --serif:'Noto Serif KR', serif;
    --sans:-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Malgun Gothic",sans-serif;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{font-family:var(--sans);color:var(--ink);background:var(--white);line-height:1.75;
    -webkit-font-smoothing:antialiased;word-break:keep-all;}
  img,svg{display:block;max-width:100%;}
  a{color:inherit;text-decoration:none;}
  ul{list-style:none;}
  .wrap{max-width:var(--maxw);margin:0 auto;padding:0 28px;}
  h1,h2,h3,h4{letter-spacing:-0.02em;}

  header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.92);
    backdrop-filter:blur(6px);border-bottom:1px solid var(--line);}
  header .wrap{display:flex;align-items:center;justify-content:space-between;min-height:82px;
    flex-wrap:wrap;gap:12px;padding-top:8px;padding-bottom:8px;}
  .logo{font-family:var(--serif);font-weight:700;font-size:20px;}
  .logo span{display:block;font-family:var(--sans);font-size:10px;font-weight:600;
    color:var(--muted2);letter-spacing:.16em;margin-top:2px;}
  .mainnav{display:flex;align-items:center;gap:30px;}
  .navlinks{display:none;gap:36px;}
  @media(min-width:900px){.navlinks{display:flex;}}
  .navlinks a{font-size:14px;font-weight:600;position:relative;padding-bottom:4px;}
  .navlinks a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:1.5px;
    background:var(--moss);transition:width .2s ease;}
  .navlinks a:hover::after{width:100%;}
  .navlinks a.on::after{width:100%;}
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;
    border-radius:var(--radius);font-weight:700;font-size:14.5px;border:1.5px solid transparent;
    transition:background .16s ease,transform .16s ease,border-color .16s ease;white-space:nowrap;}
  .btn-primary{background:var(--moss-deep);color:#fff;}
  .btn-primary:hover{background:var(--ink);}
  .btn-line{background:#fff;color:var(--ink);border-color:var(--line);}
  .btn-line:hover{border-color:var(--moss);color:var(--moss-deep);}

  .crumb{font-size:12.5px;color:var(--muted2);padding:22px 0 0;font-weight:600;}
  .crumb a:hover{color:var(--moss);} .crumb span{margin:0 7px;opacity:.5;}

  .ihero{padding:38px 0 56px;border-bottom:1px solid var(--line);}
  .label{font-size:12.5px;font-weight:700;color:var(--moss);letter-spacing:.14em;
    text-transform:uppercase;margin-bottom:18px;display:block;}
  .ihero h1{font-family:var(--serif);font-size:clamp(28px,4vw,44px);font-weight:600;
    line-height:1.32;margin-bottom:18px;}
  .ihero p{font-size:16.5px;color:var(--muted2);max-width:720px;}

  .toc{background:var(--cream-alt);border:1px solid var(--line);border-radius:10px;
    padding:26px 28px;margin:40px 0 0;}
  .toc h2{font-size:14px;font-weight:700;color:var(--moss-deep);margin-bottom:16px;}
  .toc ol{display:grid;grid-template-columns:repeat(3,1fr);gap:10px 26px;list-style:none;counter-reset:t;}
  @media(max-width:860px){.toc ol{grid-template-columns:1fr 1fr;}}
  @media(max-width:560px){.toc ol{grid-template-columns:1fr;}}
  .toc li{counter-increment:t;font-size:14.5px;font-weight:600;}
  .toc li::before{content:counter(t,decimal-leading-zero);color:var(--moss);
    font-family:var(--serif);font-size:12.5px;margin-right:9px;}
  .toc a:hover{color:var(--moss-deep);}

  section{padding:64px 0;border-bottom:1px solid var(--line);}
  section:last-of-type{border-bottom:none;}
  section.tint{background:var(--cream-alt);}
  h2.sec{font-family:var(--serif);font-size:clamp(22px,2.9vw,32px);font-weight:600;
    margin-bottom:14px;scroll-margin-top:100px;}
  .lede{font-size:15.5px;color:var(--muted2);max-width:760px;margin-bottom:34px;}
  .body p{font-size:15.5px;color:var(--ink);max-width:820px;margin-bottom:16px;line-height:1.9;}
  .body p.note{color:var(--muted2);font-size:14.5px;}

  .kinds{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  @media(max-width:900px){.kinds{grid-template-columns:1fr 1fr;}}
  @media(max-width:580px){.kinds{grid-template-columns:1fr;}}
  .kind{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px 24px 28px;}
  .kind .ic{width:46px;height:46px;border-radius:50%;background:var(--cream-alt);
    display:grid;place-items:center;margin-bottom:18px;}
  .kind .ic svg{width:22px;height:22px;color:var(--moss-deep);}
  .kind h3{font-size:17px;font-weight:700;margin-bottom:9px;}
  .kind p{font-size:14px;color:var(--muted2);line-height:1.75;margin-bottom:14px;}
  .kind .fit{font-size:13px;font-weight:700;color:var(--moss-deep);
    background:var(--cream-alt);border-radius:6px;padding:9px 12px;display:block;}

  .tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:10px;background:#fff;}
  table{width:100%;border-collapse:collapse;min-width:520px;}
  th,td{padding:15px 18px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);}
  th{background:var(--cream-alt);font-weight:700;font-size:13.5px;color:var(--moss-deep);}
  td:nth-child(2){font-weight:700;color:var(--moss-deep);white-space:nowrap;}
  tr:last-child td{border-bottom:none;}

  .calc{background:var(--ink);color:#fff;border-radius:10px;padding:30px 32px;margin-top:26px;}
  .calc h4{font-size:15px;color:var(--moss-soft);margin-bottom:14px;font-weight:700;}
  .calc .f{font-family:var(--serif);font-size:clamp(17px,2.3vw,23px);line-height:1.7;margin-bottom:16px;}
  .calc p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.85;}
  .calc b{color:#fff;}

  .steps2{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
  @media(max-width:760px){.steps2{grid-template-columns:1fr;}}
  .s2{display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px;}
  .s2 .n{font-family:var(--serif);font-size:14px;color:var(--moss);flex:none;width:24px;}
  .s2 h4{font-size:15.5px;font-weight:700;margin-bottom:7px;}
  .s2 p{font-size:14px;color:var(--muted2);line-height:1.75;}

  .checks li{position:relative;padding:13px 0 13px 32px;font-size:15px;font-weight:600;
    border-bottom:1px dashed var(--line);max-width:820px;}
  .checks li:last-child{border-bottom:none;}
  .checks li::before{content:"";position:absolute;left:2px;top:20px;width:16px;height:16px;
    border-radius:50%;background:var(--cream-alt);}
  .checks li::after{content:"";position:absolute;left:6.5px;top:24px;width:7px;height:3.5px;
    border-left:2px solid var(--moss);border-bottom:2px solid var(--moss);transform:rotate(-45deg);}
  .checks li small{display:block;font-weight:500;font-size:13.5px;color:var(--muted2);margin-top:3px;}

  .terms{display:grid;grid-template-columns:repeat(2,1fr);gap:0 40px;}
  @media(max-width:760px){.terms{grid-template-columns:1fr;}}
  .terms dt{font-size:15px;font-weight:700;margin-top:20px;}
  .terms dd{font-size:14px;color:var(--muted2);line-height:1.8;padding-bottom:18px;
    border-bottom:1px solid var(--line);}

  .warn{background:#FFF8E8;border:1px solid #F5E2B8;border-radius:10px;padding:24px 26px;margin-top:26px;}
  .warn h4{font-size:15px;font-weight:700;color:#8A6410;margin-bottom:10px;}
  .warn p{font-size:14.5px;color:#7A5A12;line-height:1.85;}

  .cta{background:linear-gradient(140deg,#123246 0%,#137099 55%,#1F9AC9 100%);color:#fff;
    border-radius:12px;padding:60px 40px;text-align:center;}
  @media(max-width:640px){.cta{padding:44px 22px;}}
  .cta h2{font-family:var(--serif);font-size:clamp(23px,3vw,32px);font-weight:600;
    color:#fff;margin-bottom:12px;}
  .cta p{color:#CFE8F0;font-size:15.5px;margin-bottom:26px;}
  .cta .phone{display:inline-flex;align-items:center;gap:11px;color:#fff;
    font-family:var(--serif);font-size:clamp(25px,3.3vw,36px);font-weight:600;margin-bottom:24px;}
  .cta .phone svg{width:26px;height:26px;}
  .cta .row{display:flex;gap:11px;justify-content:center;flex-wrap:wrap;}
  .cta .w{background:#fff;color:var(--moss-deep);}
  .cta .g{background:rgba(255,255,255,.16);color:#fff;border:1.5px solid rgba(255,255,255,.5);}

  footer{padding:76px 0 32px;background:var(--cream-alt);border-top:1px solid var(--line);}
  .fcontact{display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:start;
    padding-bottom:48px;border-bottom:1px solid var(--line);margin-bottom:26px;}
  @media(max-width:860px){.fcontact{grid-template-columns:1fr;gap:36px;}}
  .fc-title{font-family:var(--serif);font-size:clamp(22px,2.7vw,30px);font-weight:600;
    margin-bottom:20px;line-height:1.4;}
  .phone-big{font-family:var(--serif);font-size:clamp(26px,3.4vw,38px);color:var(--ink);
    margin-bottom:22px;display:block;font-weight:600;}
  .fbtns{display:flex;gap:12px;flex-wrap:wrap;}
  .info-list{border-top:1px solid var(--line);}
  .info-list li{display:flex;justify-content:space-between;padding:16px 0;gap:18px;
    border-bottom:1px solid var(--line);font-size:14px;color:var(--muted2);}
  .info-list li b{color:var(--ink);font-weight:600;text-align:right;}
  .fbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:14px;}
  .fbrand{font-family:var(--serif);font-weight:700;font-size:15px;}
  .flinks{display:flex;gap:26px;font-size:13px;color:var(--muted2);flex-wrap:wrap;}
  .fmeta{font-size:12px;color:var(--muted2);width:100%;padding-top:18px;
    border-top:1px solid var(--line);margin-top:18px;}

  .float-group{position:fixed;right:22px;bottom:22px;z-index:80;display:flex;
    flex-direction:column;gap:12px;align-items:center;}
  .float-btn{width:56px;height:56px;border-radius:50%;display:flex;align-items:center;
    justify-content:center;box-shadow:0 10px 26px rgba(0,0,0,.28);transition:transform .15s ease;}
  .float-btn:hover{transform:translateY(-2px);}
  .float-btn svg{width:23px;height:23px;}
  .float-btn.text{background:#fff;color:var(--moss-deep);border:1px solid var(--line);}
  .float-btn.call{background:var(--moss-deep);color:#fff;}

/* ── 연재 글 ─────────────────────────────────────────────── */
.art-meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13px;
  color:var(--muted2);font-weight:600;margin-bottom:20px;}
.art-meta .no{background:var(--moss-deep);color:#fff;border-radius:999px;padding:5px 13px;
  font-size:12px;font-weight:700;}
.art-lead{font-size:17px;color:var(--ink);line-height:1.9;max-width:820px;
  padding-left:20px;border-left:3px solid var(--moss);font-weight:500;}
.arts{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
@media(max-width:900px){.arts{grid-template-columns:1fr 1fr;}}
@media(max-width:580px){.arts{grid-template-columns:1fr;}}
.art-card{display:block;background:#fff;border:1px solid var(--line);border-radius:10px;
  padding:26px 24px 28px;transition:transform .16s ease,box-shadow .16s ease,border-color .16s ease;}
.art-card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(23,66,94,.10);
  border-color:var(--moss-soft);}
.art-card .n{font-family:var(--serif);font-size:12.5px;color:var(--moss);display:block;margin-bottom:12px;}
.art-card h3{font-size:17px;font-weight:700;line-height:1.5;margin-bottom:9px;}
.art-card p{font-size:14px;color:var(--muted2);line-height:1.7;}
.art-card .go{display:inline-block;margin-top:14px;font-size:13.5px;font-weight:700;color:var(--moss-deep);}
.art-card.soon{background:var(--cream-alt);border-style:dashed;pointer-events:none;opacity:.72;}
.art-card.soon .go{color:var(--muted2);}
.deep{display:inline-flex;align-items:center;gap:7px;margin-top:6px;font-size:14px;
  font-weight:700;color:var(--moss-deep);}
.deep:hover{text-decoration:underline;}
.artnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:12px;}
@media(max-width:640px){.artnav{grid-template-columns:1fr;}}
.artnav a{background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 22px;}
.artnav a:hover{border-color:var(--moss);}
.artnav span{display:block;font-size:12px;color:var(--muted2);font-weight:700;margin-bottom:6px;}
.artnav b{font-size:15px;font-weight:700;line-height:1.5;}
.artnav a.next{text-align:right;}

/* ===== 시공사례 상세 (case-01~26) ===== */
  .cinfo{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:34px;
    background:var(--line);border:1px solid var(--line);border-radius:10px;overflow:hidden;max-width:820px;}
  @media(min-width:760px){.cinfo{grid-template-columns:repeat(4,minmax(0,1fr));}}
  .cinfo div{background:#fff;padding:17px 18px;}
  .cinfo dt{font-size:11.5px;font-weight:700;color:var(--moss-deep);letter-spacing:.06em;margin-bottom:6px;}
  .cinfo dd{font-size:14.5px;font-weight:600;line-height:1.55;}

  .ba{display:grid;grid-template-columns:1fr;gap:14px;margin:6px 0 30px;}
  @media(min-width:720px){.ba{grid-template-columns:1fr 1fr;}}
  .bahalf{position:relative;border-radius:10px;overflow:hidden;border:1px solid var(--line);background:#fff;}
  .bahalf img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}
  .bahalf figcaption{position:absolute;left:12px;top:12px;font-size:12px;font-weight:700;
    color:#fff;background:rgba(22,50,74,.82);padding:6px 12px;border-radius:100px;letter-spacing:.02em;}
  .bahalf.af figcaption{background:var(--moss-deep);}

  .oneshot{border-radius:10px;overflow:hidden;border:1px solid var(--line);margin:6px 0 12px;max-width:820px;}
  .oneshot img{width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;}
  .cap{font-size:13px;color:var(--muted2);margin-bottom:30px;}

  .pts{max-width:860px;margin-top:8px;}
  .pts li{position:relative;padding:16px 0 16px 34px;border-bottom:1px solid var(--line);
    font-size:15px;line-height:1.8;}
  .pts li:last-child{border-bottom:none;}
  .pts li::before{content:"";position:absolute;left:4px;top:24px;width:9px;height:9px;
    border-radius:50%;background:var(--moss);}
  .pts li b{font-weight:700;}

  .rgrid{display:grid;grid-template-columns:1fr;gap:16px;}
  @media(min-width:640px){.rgrid{grid-template-columns:repeat(3,1fr);}}
  .rcard{background:#fff;border:1px solid var(--line);border-radius:10px;overflow:hidden;
    display:block;transition:border-color .2s ease,transform .2s ease;}
  .rcard:hover{border-color:var(--moss);transform:translateY(-2px);}
  .rcard img{width:100%;height:auto;aspect-ratio:4/3;object-fit:cover;}
  .rc-cat{display:block;font-size:11px;font-weight:700;color:var(--moss-deep);
    letter-spacing:.06em;padding:15px 17px 0;}
  .rc-t{display:block;font-size:14.5px;font-weight:700;line-height:1.5;padding:6px 17px 18px;}

  .qas{max-width:860px;display:grid;gap:14px;}
  .qa{background:#fff;border:1px solid var(--line);border-radius:10px;padding:24px 26px;}
  .qa h3{font-size:15.5px;font-weight:700;margin-bottom:9px;position:relative;padding-left:24px;}
  .qa h3::before{content:"Q";position:absolute;left:0;top:0;color:var(--moss);font-family:var(--serif);font-weight:700;}
  .qa p{font-size:14.5px;color:var(--muted2);line-height:1.85;padding-left:24px;}