:root{
    --navy:#0c2a5e;
    --navy-2:#143a7a;
    --blue:#2a6bd4;
    --sky:#e8f1ff;
    --red:#e62b3c;
    --gold:#f5b53d;
    --ink:#1b2330;
    --muted:#5b6675;
    --line:#e4e9f2;
    --bg:#f5f8fd;
    --white:#fff;
    --radius:18px;
    --shadow:0 10px 30px rgba(12,42,94,.12);
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth;scroll-padding-top:118px}
  body{
    font-family:'Noto Sans KR',system-ui,sans-serif;
    color:var(--ink);
    background:var(--bg);
    line-height:1.65;
    -webkit-font-smoothing:antialiased;
  }
  .wrap{max-width:880px;margin:0 auto;padding:0 20px}
  section{padding:64px 0}
  .display{font-family:'Noto Sans KR',sans-serif;font-weight:900;letter-spacing:0;line-height:1.35}
  .eyebrow{
    display:inline-block;color:var(--blue);font-weight:700;font-size:14px;
    letter-spacing:2px;margin-bottom:10px;text-transform:uppercase;
  }
  h2.sec-title{font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:clamp(26px,5vw,38px);text-align:center;line-height:1.4;letter-spacing:-.3px}
  h2.sec-title .hl{color:var(--blue)}
  .sec-sub{text-align:center;color:var(--muted);margin-top:14px;font-size:16px}
  .center{text-align:center}

  /* ===== Top bar ===== */
  .topbar{
    position:sticky;top:0;z-index:50;background:rgba(12,42,94,.96);
    backdrop-filter:blur(6px);color:#fff;
  }
  .topbar .wrap{display:flex;align-items:center;justify-content:space-between;height:60px}
  .topbar .brand{font-weight:900;font-size:18px;letter-spacing:-.5px}
  .topbar .brand a{color:#fff;text-decoration:none;display:inline-flex;align-items:center}
  .topbar .brand b{color:var(--gold)}
  .logo-mark{
    display:inline-grid;place-items:center;width:27px;height:27px;border-radius:50%;
    background:var(--red);color:#fff;font-weight:900;font-size:15px;margin-right:9px;flex:0 0 auto;
  }
  .topbar .tel{display:flex;align-items:center;gap:8px;font-weight:700}
  .topbar .tel a{color:#fff;text-decoration:none;font-size:16px}
  .topbar .tel .dot{width:8px;height:8px;border-radius:50%;background:#37d67a;box-shadow:0 0 0 4px rgba(55,214,122,.25)}

  /* ===== Category nav ===== */
  .nav{position:sticky;top:60px;z-index:49;background:#fff;border-bottom:1px solid var(--line);box-shadow:0 2px 10px rgba(12,42,94,.05)}
  .nav .wrap{display:flex;gap:6px;overflow-x:auto;height:52px;align-items:center;-ms-overflow-style:none;scrollbar-width:none}
  .nav .wrap::-webkit-scrollbar{display:none}
  .nav a{flex:0 0 auto;color:var(--navy);text-decoration:none;font-weight:700;font-size:14.5px;padding:8px 14px;border-radius:999px;white-space:nowrap;transition:background .15s,color .15s}
  .nav a:hover{background:var(--sky)}
  .nav a.active{background:var(--navy);color:#fff}
  .nav a.featured{background:var(--red);color:#fff}
  .nav a.featured:hover{background:#c81f2f}

  /* ===== Page head (inner pages) ===== */
  .page-head{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:#fff;text-align:center;padding:58px 0 52px}
  .page-head .eyebrow{color:var(--gold)}
  .page-head h1{font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:clamp(28px,6vw,42px);line-height:1.3}
  .page-head p{margin:14px auto 0;max-width:560px;color:#d7e3f7;font-size:16px}

  /* ===== Hero ===== */
  .hero{
    background:linear-gradient(160deg,var(--navy) 0%,var(--navy-2) 55%,#1d4ea0 100%);
    color:#fff;text-align:center;padding:80px 0 90px;position:relative;overflow:hidden;
  }
  .hero::after{
    content:"";position:absolute;inset:auto -10% -40% -10%;height:240px;
    background:radial-gradient(ellipse at center,rgba(245,181,61,.25),transparent 70%);
  }
  .hero .badge{
    display:inline-block;border:2px solid var(--gold);color:var(--gold);
    border-radius:999px;padding:7px 18px;font-weight:700;font-size:14px;margin-bottom:22px;
  }
  .hero h1{font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:clamp(32px,7vw,54px);line-height:1.4;letter-spacing:-.3px}
  .hero h1 .pt{color:var(--gold)}
  .hero p.lead{margin:22px auto 0;max-width:560px;font-size:clamp(16px,2.4vw,20px);color:#d7e3f7}
  .hero .cta-row{margin-top:36px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap;position:relative;z-index:2}

  .btn{
    display:inline-flex;align-items:center;gap:10px;border:none;cursor:pointer;
    font-family:'Noto Sans KR';font-weight:700;font-size:17px;text-decoration:none;
    padding:16px 30px;border-radius:999px;transition:transform .15s ease,box-shadow .15s ease;
  }
  .btn:hover{transform:translateY(-2px)}
  .btn-red{background:var(--red);color:#fff;box-shadow:0 8px 22px rgba(230,43,60,.4)}
  .btn-gold{background:var(--gold);color:#3a2a00;box-shadow:0 8px 22px rgba(245,181,61,.4)}
  .btn-ghost{background:transparent;color:#fff;border:2px solid rgba(255,255,255,.5)}

  /* ===== Features (이러한 선생님) ===== */
  .features{background:var(--white)}
  .feat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:18px;margin-top:40px}
  .feat{
    background:var(--sky);border-radius:var(--radius);padding:26px 24px;position:relative;
    border:1px solid #d7e6ff;
  }
  .feat .num{
    position:absolute;top:-14px;left:22px;width:34px;height:34px;border-radius:50%;
    background:var(--navy);color:#fff;display:grid;place-items:center;font-weight:900;font-size:15px;
  }
  .feat h3{font-size:17px;margin-bottom:6px;color:var(--navy)}
  .feat p{font-size:14.5px;color:var(--muted)}

  /* ===== Trust strip ===== */
  .trust{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;text-align:center}
  .trust .big{font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:clamp(28px,5vw,44px)}
  .trust .stats{display:flex;gap:18px;justify-content:center;flex-wrap:wrap;margin-top:34px}
  .trust .stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:16px;padding:22px 30px;min-width:150px}
  .trust .stat b{display:block;font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:34px;color:var(--gold)}
  .trust .stat span{font-size:14px;color:#cfdcf3}

  /* ===== Subjects table ===== */
  .subjects{background:var(--white)}
  .tbl{margin-top:36px;border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line)}
  .tbl .row{display:grid;grid-template-columns:130px 1fr;border-bottom:1px solid var(--line)}
  .tbl .row:last-child{border-bottom:none}
  .tbl .row .k{background:var(--navy);color:#fff;font-weight:700;padding:18px 16px;display:flex;align-items:center;justify-content:center;text-align:center}
  .tbl .row .v{padding:18px 20px;font-size:15px;color:var(--ink);background:#fff;display:flex;align-items:center;flex-wrap:wrap;gap:6px}
  .chip{display:inline-block;background:var(--sky);color:var(--navy-2);border:1px solid #cfe0ff;border-radius:999px;padding:4px 12px;font-size:13px;font-weight:500}

  /* ===== Ranking / specialty ===== */
  .rank{background:var(--bg)}
  .rank-card{max-width:520px;margin:34px auto 0;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);overflow:hidden;border:1px solid var(--line)}
  .rank-card .hd{background:var(--navy);color:#fff;text-align:center;padding:16px;font-weight:700}
  .rank-card .item{display:flex;align-items:center;gap:14px;padding:16px 22px;border-bottom:1px solid var(--line)}
  .rank-card .item:last-child{border-bottom:none}
  .rank-card .item .r{width:30px;height:30px;border-radius:8px;background:var(--sky);color:var(--navy);font-weight:900;display:grid;place-items:center}
  .rank-card .item.top{background:#fff7e9}
  .rank-card .item.top .r{background:var(--gold);color:#3a2a00}
  .rank-card .item .t{font-weight:600}

  /* ===== Reviews ===== */
  .reviews{background:var(--white)}
  .rev-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;margin-top:40px}
  .rev{background:var(--bg);border:1px solid var(--line);border-radius:var(--radius);padding:24px}
  .rev .stars{color:var(--gold);font-size:16px;letter-spacing:2px}
  .rev p{font-size:14.5px;color:var(--ink);margin:12px 0}
  .rev .who{font-size:13px;color:var(--muted);font-weight:700}

  /* ===== Chart ===== */
  .grades{background:linear-gradient(135deg,#103a85,#1d56b0);color:#fff;text-align:center}
  .grades h2{color:#fff}
  .chart-wrap{max-width:580px;margin:42px auto 0;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:26px 22px 18px}
  .chart-svg{width:100%;height:auto;display:block}
  .chart-line{stroke-dasharray:600;stroke-dashoffset:600;animation:drawLine 1.9s ease .2s forwards}
  @keyframes drawLine{to{stroke-dashoffset:0}}
  .improve-badge{
    display:inline-flex;align-items:center;gap:8px;margin-top:22px;
    background:var(--gold);color:#3a2a00;font-weight:800;font-size:15px;
    padding:11px 22px;border-radius:999px;box-shadow:0 6px 18px rgba(245,181,61,.35);
  }

  /* ===== Recommend ===== */
  .reco{background:var(--bg)}
  .reco-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:38px}
  .reco-item{background:#fff;border:1px solid var(--line);border-left:5px solid var(--blue);border-radius:14px;padding:20px 22px;font-weight:500;font-size:15.5px;box-shadow:0 4px 14px rgba(12,42,94,.05)}
  .reco-item b{color:var(--blue)}

  /* ===== Steps ===== */
  .steps{background:var(--white)}
  .step-list{margin-top:42px;display:grid;gap:16px}
  .step{
    display:flex;align-items:center;gap:22px;background:var(--bg);border:1px solid var(--line);
    border-radius:var(--radius);padding:22px 26px;transition:transform .15s;
  }
  .step:hover{transform:translateX(6px)}
  .step .no{
    flex-shrink:0;width:56px;height:56px;border-radius:16px;background:var(--navy);color:#fff;
    font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:20px;display:grid;place-items:center;
  }
  .step:nth-child(odd) .no{background:var(--blue)}
  .step h3{font-size:18px;color:var(--navy)}
  .step p{font-size:14px;color:var(--muted)}

  /* ===== CTA / Contact ===== */
  .cta{background:linear-gradient(135deg,var(--navy),#0a234f);color:#fff;text-align:center}
  .cta .rank1{display:inline-block;background:var(--gold);color:#3a2a00;font-weight:900;border-radius:999px;padding:8px 22px;margin-bottom:18px;font-size:15px}
  .cta h2{color:#fff}
  .cta .tel-big{font-family:'Noto Sans KR',sans-serif;font-weight:900;font-size:clamp(30px,6vw,50px);color:var(--gold);margin:10px 0 6px}
  .form{max-width:460px;margin:34px auto 0;background:#fff;border-radius:var(--radius);padding:28px;color:var(--ink);text-align:left;box-shadow:var(--shadow)}
  .form label{display:block;font-weight:700;font-size:14px;margin:14px 0 6px;color:var(--navy)}
  .form input,.form select,.form textarea{
    width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:12px;font-size:15px;font-family:inherit;
  }
  .form input:focus,.form select:focus,.form textarea:focus{outline:none;border-color:var(--blue)}
  .form .btn{width:100%;justify-content:center;margin-top:22px}
  .form .note{font-size:12px;color:var(--muted);margin-top:12px;text-align:center}

  /* ===== Study abroad / destinations ===== */
  .abroad{background:var(--white)}
  .path-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:38px}
  .path{background:var(--sky);border:1px solid #d7e6ff;border-radius:var(--radius);padding:26px 22px;text-align:center}
  .path .ic{font-size:34px}
  .path h3{color:var(--navy);font-size:17px;margin:10px 0 6px}
  .path p{font-size:14px;color:var(--muted)}
  .block-title{text-align:center;font-size:19px;color:var(--navy);font-weight:900;margin:48px 0 22px}
  .country-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:14px}
  .country{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
  .country b{display:block;color:var(--navy);font-size:15.5px;margin-bottom:4px}
  .country span{font-size:13px;color:var(--muted)}
  .hl-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px;margin-top:36px}
  .hl-card{background:linear-gradient(135deg,var(--navy),var(--navy-2));color:#fff;border-radius:var(--radius);padding:28px}
  .hl-card h3{font-size:18px;margin-bottom:10px;color:#fff}
  .hl-card p{font-size:14.5px;color:#d7e3f7}
  .hl-card b{color:var(--gold)}

  /* ===== Managed schools ===== */
  .schools{background:var(--bg)}
  .school-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin-top:38px}
  .school-card{display:block;background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:16px;padding:22px;text-decoration:none;color:inherit;box-shadow:0 4px 14px rgba(12,42,94,.05);transition:transform .15s,box-shadow .15s}
  .school-card:hover{transform:translateY(-4px);box-shadow:0 12px 26px rgba(12,42,94,.12)}
  .school-card .tag{display:inline-block;background:var(--sky);color:var(--navy-2);border:1px solid #cfe0ff;border-radius:999px;padding:3px 11px;font-size:12px;font-weight:700}
  .school-card h3{color:var(--navy);font-size:17px;margin:12px 0 8px;line-height:1.4}
  .school-card p{font-size:14px;color:var(--muted);min-height:42px}
  .school-card .more{display:inline-block;margin-top:10px;color:var(--blue);font-weight:700;font-size:13.5px}
  .school-card .cities{display:block;margin-top:8px;font-size:12.5px;color:#8a94a3;line-height:1.5}
  .school-search{max-width:560px;margin:0 auto 8px}
  .school-search input{
    width:100%;padding:16px 22px;border:2px solid var(--line);border-radius:999px;
    font-size:16px;font-family:inherit;box-shadow:var(--shadow);
  }
  .school-search input:focus{outline:none;border-color:var(--blue)}
  .search-empty{display:none;text-align:center;color:var(--muted);margin-top:20px;font-size:15px}

  /* ===== Back link ===== */
  .backlink{text-align:center;padding:0 0 50px;background:var(--bg)}
  .backlink a{color:var(--blue);text-decoration:none;font-weight:700;font-size:15px}
  .backlink a:hover{text-decoration:underline}

  /* ===== Footer ===== */
  footer{background:#081a3a;color:#9fb3d6;text-align:center;padding:36px 20px;font-size:13px}
  footer b{color:#fff}

  /* ===== Sticky mobile CTA ===== */
  .sticky-cta{
    position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
    background:var(--red);color:#fff;text-align:center;padding:14px;font-weight:700;
    text-decoration:none;font-size:16px;box-shadow:0 -4px 20px rgba(0,0,0,.2);
  }

  /* ===== KakaoTalk floating button ===== */
  .kakao-fab{
    position:fixed;right:20px;bottom:24px;z-index:70;
    display:inline-flex;align-items:center;gap:7px;
    background:#FAE100;color:#3C1E1E;font-weight:800;font-size:15px;
    padding:13px 20px;border-radius:999px;text-decoration:none;white-space:nowrap;
    box-shadow:0 6px 20px rgba(0,0,0,.22);
    transition:transform .15s ease;
    animation:kakaoPulse 2.2s ease-in-out infinite;
  }
  .kakao-fab:hover{transform:translateY(-2px)}
  @keyframes kakaoPulse{
    0%,100%{box-shadow:0 6px 20px rgba(0,0,0,.22),0 0 0 0 rgba(250,225,0,.55)}
    50%{box-shadow:0 6px 20px rgba(0,0,0,.22),0 0 0 12px rgba(250,225,0,0)}
  }

  @media (max-width:640px){
    .topbar .tel a{font-size:14px}
    .sticky-cta{display:block}
    body{padding-bottom:54px}
    .step{flex-direction:row}
    .kakao-fab{bottom:66px;right:14px;padding:11px 16px;font-size:14px}
  }