:root{
    /* 브랜드: 로고 로얄 네이비 #0b0b55 */
    --navy:#0b0b55; --teal:#2438a6; --teal-dk:#1a2a85; --sand:#f2b23e; --sand-dk:#d99a1f;
    --bg:#f7f8fc; --card:#ffffff; --line:#e2e5f0; --tx:#232640; --tx2:#5c6180; --tx3:#9598b0;
    --r:14px; --shadow:0 2px 14px rgba(11,11,85,.08);
  }
  *{margin:0;padding:0;box-sizing:border-box}
  html{scroll-behavior:smooth}
  body{font-family:'Pretendard',-apple-system,BlinkMacSystemFont,'Malgun Gothic','Apple SD Gothic Neo',sans-serif;background:var(--bg);color:var(--tx);line-height:1.65;word-break:keep-all}
  img{max-width:100%}
  a{text-decoration:none;color:inherit}
  .wrap{max-width:1080px;margin:0 auto;padding:0 22px}
  .badge{display:inline-block;font-size:12.5px;font-weight:700;color:var(--teal);background:#e9ecfa;border:1px solid #d4daf2;border-radius:999px;padding:4px 12px;margin-bottom:14px;letter-spacing:.02em}
  .btn{display:inline-block;padding:13px 26px;border-radius:10px;font-weight:700;font-size:15px;transition:.18s;cursor:pointer;border:none}
  .btn-p{background:var(--sand);color:#2b1e04}
  .btn-p:hover{background:var(--sand-dk)}
  .btn-o{background:transparent;color:#fff;border:1.5px solid rgba(255,255,255,.55)}
  .btn-o:hover{background:rgba(255,255,255,.12)}
  .btn-t{background:var(--teal);color:#fff}
  .btn-t:hover{background:var(--teal-dk)}
  .btn-g{background:#edf0fa;color:var(--teal-dk)}
  .btn-g:hover{background:#e0e5f6}
  section{padding:76px 0}
  .sec-tag{font-size:13px;font-weight:800;color:var(--sand-dk);letter-spacing:.14em;margin-bottom:10px}
  h2{font-size:clamp(24px,3.4vw,32px);font-weight:800;color:var(--navy);letter-spacing:-.01em;margin-bottom:14px}
  .sec-desc{font-size:16px;color:var(--tx2);max-width:640px}
  .center{text-align:center}
  .center .sec-desc{margin:0 auto}

  /* ── top note ── */
  .draft-note{background:#07073d;color:#c0c6ea;font-size:12.5px;text-align:center;padding:7px 14px}
  .draft-note b{color:#f4cd7e}

  /* ── nav ── */
  nav{position:sticky;top:0;z-index:50;background:rgba(253,251,247,.92);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav-in{display:flex;align-items:center;justify-content:space-between;height:64px}
  .logo{display:flex;align-items:center;gap:9px;font-weight:800;font-size:18px;color:var(--navy)}
  .logo-mark{width:34px;height:34px;border-radius:9px;background:var(--teal);display:flex;align-items:center;justify-content:center}
  .nav-links{display:flex;gap:4px;font-size:14.5px;font-weight:600;color:var(--tx2)}
  .nav-links a{padding:8px 11px;border-radius:8px}
  .nav-links a:hover{background:#edf0fa;color:var(--teal-dk)}
  .nav-cta{font-size:14px;padding:9px 18px}
  .nav-burger{display:none;background:none;border:none;cursor:pointer;padding:8px;border-radius:8px}
  .nav-burger span{display:block;width:22px;height:2.5px;background:var(--navy);border-radius:2px;margin:4.5px 0;transition:.2s}
  .m-menu{display:none;background:var(--card);border-bottom:1px solid var(--line);box-shadow:0 12px 24px rgba(11,11,85,.1)}
  .m-menu.open{display:block}
  .m-menu a{display:block;padding:15px 24px;font-size:15.5px;font-weight:700;color:var(--navy);border-top:1px solid var(--line)}
  .m-menu a:active{background:#edf0fa}
  @media(max-width:900px){
    .nav-links{display:none}
    .nav-cta{display:none}
    .nav-burger{display:block}
  }

  /* ── 모바일 퀵 상담바 ── */
  .quickbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;grid-template-columns:repeat(4,1fr);background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 18px rgba(11,11,85,.12);padding-bottom:env(safe-area-inset-bottom)}
  .quickbar a{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;padding:9px 4px 8px;font-size:11.5px;font-weight:800;min-height:54px}
  .quickbar .q-ico{width:26px;height:26px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:14px;color:#fff}
  .q-tel .q-ico{background:var(--navy)} .q-tel{color:var(--navy)}
  .q-nbook .q-ico{background:#03c75a} .q-nbook{color:#059741}
  .q-ntalk .q-ico{background:#00c3bd} .q-ntalk{color:#00958f}
  .q-kakao .q-ico{background:#fee500;color:#3c1e1e} .q-kakao{color:#8a6d00}
  @media(max-width:900px){
    .quickbar{display:grid}
    body{padding-bottom:64px}
  }

  /* ── hero ── */
  .hero{background:linear-gradient(135deg,#07073d 0%,#0b0b55 55%,#1e2a8a 100%);color:#fff;padding:92px 0 88px;position:relative;overflow:hidden}
  .hero::after{content:"";position:absolute;right:-120px;top:-80px;width:460px;height:460px;border-radius:50%;background:rgba(255,255,255,.05)}
  .hero::before{content:"";position:absolute;right:60px;bottom:-160px;width:340px;height:340px;border-radius:50%;background:rgba(242,178,62,.14)}
  .hero .wrap{position:relative;z-index:1}
  .hero-badges{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
  .hero-badges span{font-size:12.5px;font-weight:700;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.22);border-radius:999px;padding:5px 13px}
  .hero h1{font-size:clamp(30px,4.6vw,46px);font-weight:800;line-height:1.28;letter-spacing:-.015em;margin-bottom:18px}
  .hero h1 em{font-style:normal;color:#f4cd7e}
  .hero p{font-size:clamp(15px,1.8vw,17.5px);color:#d5daf3;max-width:620px;margin-bottom:10px}
  .hero .sub2{font-size:14.5px;color:#9ba4d6;max-width:600px;margin-bottom:30px}
  .hero-ctas{display:flex;gap:11px;flex-wrap:wrap}

  /* ── strengths ── */
  .grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:40px}
  @media(max-width:960px){.grid4{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.grid4{grid-template-columns:1fr}}
  .s-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 22px;box-shadow:var(--shadow)}
  .s-num{font-size:12px;font-weight:800;color:var(--sand-dk);letter-spacing:.1em;margin-bottom:12px}
  .s-card h3{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:9px;line-height:1.4}
  .s-card p{font-size:14px;color:var(--tx2)}

  /* ── courses ── */
  .courses{background:#eef0f8}
  .grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:40px}
  @media(max-width:920px){.grid3{grid-template-columns:repeat(2,1fr)}}
  @media(max-width:560px){.grid3{grid-template-columns:1fr}}
  .c-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:26px 24px;box-shadow:var(--shadow);display:flex;flex-direction:column;transition:.18s}
  .c-card:hover{transform:translateY(-3px);box-shadow:0 8px 22px rgba(29,58,58,.13)}
  .c-ico{width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:16px}
  .c-card h3{font-size:18px;font-weight:800;color:var(--navy);margin-bottom:8px}
  .c-card p{font-size:14px;color:var(--tx2);flex:1;margin-bottom:16px}
  .c-link{font-size:14px;font-weight:800;color:var(--teal)}
  .c-link:hover{color:var(--sand-dk)}

  /* ── practice ── */
  .practice-in{display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
  @media(max-width:880px){.practice-in{grid-template-columns:1fr}}
  .practice p{font-size:15.5px;color:var(--tx2);margin-bottom:14px}
  .p-points{list-style:none;margin:22px 0 26px;display:grid;gap:11px}
  .p-points li{display:flex;gap:11px;align-items:flex-start;font-size:15px;font-weight:600;color:var(--tx)}
  .p-points li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:#e9ecfa;color:var(--teal);font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;margin-top:2px}
  .p-visual{border-radius:18px;overflow:hidden;box-shadow:var(--shadow)}
  .ph-img{position:relative;display:flex;align-items:center;justify-content:center;color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em}
  .ph-img small{position:absolute;bottom:10px;right:14px;font-size:11px;font-weight:600;opacity:.75}
  .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:34px;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;background:var(--card)}
  @media(max-width:720px){.steps{grid-template-columns:repeat(2,1fr)}}
  .step{padding:20px 18px;border-right:1px solid var(--line)}
  .step:last-child{border-right:none}
  @media(max-width:720px){.step:nth-child(2){border-right:none}.step:nth-child(-n+2){border-bottom:1px solid var(--line)}}
  .step b{display:block;font-size:12px;color:var(--sand-dk);letter-spacing:.1em;margin-bottom:7px}
  .step span{font-size:14px;font-weight:700;color:var(--navy)}

  /* ── teachers / results ── */
  .duo{display:grid;grid-template-columns:1fr 1fr;gap:18px}
  @media(max-width:820px){.duo{grid-template-columns:1fr}}
  .duo-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:34px 30px;box-shadow:var(--shadow)}
  .duo-card h3{font-size:20px;font-weight:800;color:var(--navy);margin-bottom:12px;line-height:1.4}
  .duo-card p{font-size:14.5px;color:var(--tx2);margin-bottom:20px}

  /* ── branches ── */
  .branches{background:linear-gradient(160deg,#07073d,#141a70);color:#fff}
  .branches h2{color:#fff}
  .branches .sec-desc{color:#c0c6ea}
  .b-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:14px;margin-top:38px}
  @media(max-width:1000px){.b-grid{grid-template-columns:repeat(3,1fr)}}
  @media(max-width:640px){.b-grid{grid-template-columns:1fr 1fr}}
  @media(max-width:440px){.b-grid{grid-template-columns:1fr}}
  .b-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);padding:22px 18px;transition:.18s}
  .b-card:hover{background:rgba(255,255,255,.12);transform:translateY(-2px)}
  .b-card h3{font-size:17px;font-weight:800;margin-bottom:4px}
  .b-card .b-tag{font-size:11px;font-weight:700;color:#f4cd7e;margin-bottom:10px}
  .b-card p{font-size:12.8px;color:#c0c6ea;margin-bottom:5px;line-height:1.5}
  .b-card .tel{font-size:14px;font-weight:800;color:#fff;margin-top:8px}
  .b-card .todo{color:#f4cd7e;font-size:12px;font-weight:700}
  .b-cta{margin-top:30px;text-align:center}

  /* ── FAQ ── */
  .faq-list{max-width:760px;margin:36px auto 0}
  details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:10px;overflow:hidden}
  summary{cursor:pointer;padding:17px 20px;font-size:15.5px;font-weight:700;color:var(--navy);list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
  summary::-webkit-details-marker{display:none}
  summary::after{content:"+";font-size:20px;font-weight:400;color:var(--tx3);transition:.2s;flex:none}
  details[open] summary::after{transform:rotate(45deg);color:var(--sand-dk)}
  details p{padding:0 20px 18px;font-size:14.5px;color:var(--tx2)}

  /* ── bottom CTA ── */
  .cta-banner{background:linear-gradient(120deg,#f2b23e 0%,#f6c964 100%);border-radius:22px;padding:52px 40px;text-align:center;color:#2b1e04}
  .cta-banner h2{color:#2b1e04;margin-bottom:12px}
  .cta-banner p{max-width:640px;margin:0 auto 26px;font-size:15.5px;color:#54400f}
  .cta-banner .btn-p{background:var(--navy);color:#fff}
  .cta-banner .btn-p:hover{background:#07073d}
  .cta-banner .btn-w{background:#fff;color:var(--navy)}
  .cta-banner .btn-w:hover{background:#eef0f8}

  /* ── footer ── */
  footer{background:#07073d;color:#9ba4d6;padding:46px 0 38px;font-size:13px}
  .f-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:34px;margin-bottom:28px}
  @media(max-width:760px){.f-grid{grid-template-columns:1fr}}
  footer h4{color:#fff;font-size:14.5px;font-weight:800;margin-bottom:12px}
  footer li{list-style:none;margin-bottom:7px}
  .f-note{border-top:1px solid rgba(255,255,255,.12);padding-top:18px;font-size:12px;color:#6d76ad}

  /* ── 모바일 최적화 (터치·가독성·밀도) ── */
  @media(max-width:640px){
    section{padding:52px 0}
    .wrap{padding:0 18px}
    .hero{padding:56px 0 60px}
    .hero-ctas .btn{flex:1 1 100%;text-align:center}
    .hero-ctas{gap:9px}
    .btn{padding:14px 22px;font-size:15px}
    h2{margin-bottom:11px}
    .grid4,.grid3{gap:13px;margin-top:28px}
    .s-card,.c-card{padding:22px 19px}
    .practice-in{gap:30px}
    .ph-img{height:240px !important}
    .duo-card{padding:26px 22px}
    .cta-banner{padding:38px 22px;border-radius:16px}
    .cta-banner .btn{display:block;width:100%;margin:9px 0 0 !important}
    summary{padding:15px 16px;font-size:14.5px}
    details p{padding:0 16px 15px}
    .b-cta .btn{display:block}
  }

  /* ── 지점 선택 시트 (대표홈 → 지점 채널 연결) ── */
  .sheet-bg{position:fixed;inset:0;background:rgba(7,7,61,.55);z-index:80;display:none;backdrop-filter:blur(2px)}
  .sheet-bg.open{display:block}
  .sheet{position:fixed;left:0;right:0;bottom:0;z-index:81;background:#fff;border-radius:20px 20px 0 0;padding:22px 20px calc(18px + env(safe-area-inset-bottom));transform:translateY(105%);transition:.25s ease;max-width:520px;margin:0 auto;box-shadow:0 -10px 40px rgba(7,7,61,.25)}
  .sheet.open{transform:translateY(0)}
  @media(min-width:900px){.sheet{bottom:auto;top:50%;left:50%;right:auto;width:440px;border-radius:18px;transform:translate(-50%,-45%) scale(.97);opacity:0;pointer-events:none}
    .sheet.open{transform:translate(-50%,-50%) scale(1);opacity:1;pointer-events:auto}}
  .sheet h3{font-size:17px;font-weight:800;color:var(--navy);margin-bottom:3px}
  .sheet .sheet-sub{font-size:13px;color:var(--tx2);margin-bottom:14px}
  .sheet-x{position:absolute;top:14px;right:14px;background:#eef0f8;border:none;width:30px;height:30px;border-radius:50%;font-size:15px;color:var(--tx2);cursor:pointer}
  .sheet-list{display:grid;gap:8px}
  .sheet-list a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 15px;border:1px solid var(--line);border-radius:12px;font-size:15px;font-weight:700;color:var(--navy);transition:.15s;min-height:50px}
  .sheet-list a:hover{border-color:var(--teal);background:#f4f6fd}
  .sheet-list .b-region{font-size:12px;font-weight:600;color:var(--tx3)}
  .sheet-list .b-go{font-size:12.5px;font-weight:800;color:var(--teal);flex:none}
  .sheet-list a.dis{opacity:.5;pointer-events:none}
  .sheet-list a.dis .b-go{color:var(--tx3)}

  /* ── 서브페이지 공통 ── */
  .crumb{font-size:12.5px;color:var(--tx3);padding:14px 22px 0;max-width:1080px;margin:0 auto}
  .crumb a{color:var(--tx2)} .crumb a:hover{color:var(--teal)} .crumb b{font-weight:400;margin:0 2px}
  .page-hero{background:linear-gradient(135deg,#07073d 0%,#0b0b55 55%,#1e2a8a 100%);color:#fff;padding:56px 0 52px;position:relative;overflow:hidden}
  .page-hero::after{content:"";position:absolute;right:-140px;top:-120px;width:400px;height:400px;border-radius:50%;background:rgba(255,255,255,.05)}
  .page-hero .wrap{position:relative;z-index:1}
  .page-hero h1{font-size:clamp(25px,3.6vw,36px);font-weight:800;line-height:1.3;letter-spacing:-.01em;margin-bottom:13px}
  .page-hero h1 em{font-style:normal;color:#f4cd7e}
  .page-hero p{font-size:15.5px;color:#d5daf3;max-width:660px}
  .page-hero .hero-ctas{margin-top:24px}
  .prose{max-width:760px}
  .prose p{font-size:15.5px;color:var(--tx2);margin-bottom:14px}
  .prose strong{color:var(--navy)}
  .info-list{list-style:none;display:grid;gap:10px;margin:18px 0}
  .info-list li{display:flex;gap:11px;align-items:flex-start;font-size:15px;color:var(--tx)}
  .info-list li::before{content:"✓";flex:none;width:22px;height:22px;border-radius:50%;background:#e9ecfa;color:var(--teal);font-size:12px;font-weight:900;display:flex;align-items:center;justify-content:center;margin-top:2px}
  .kv{display:grid;grid-template-columns:120px 1fr;gap:8px 14px;font-size:14.5px;margin:16px 0}
  .kv dt{font-weight:800;color:var(--navy)} .kv dd{color:var(--tx2)}
  @media(max-width:560px){.kv{grid-template-columns:96px 1fr}}
  .tbl{width:100%;border-collapse:collapse;font-size:14px;margin:20px 0;background:var(--card);border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
  .tbl th{background:var(--navy);color:#fff;padding:12px 12px;text-align:left;font-weight:700;white-space:nowrap}
  .tbl td{padding:12px;border-bottom:1px solid var(--line);color:var(--tx2)}
  .tbl tr:last-child td{border-bottom:none}
  .tbl-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
  .sec-alt{background:#eef0f8}
  .cta-inline{background:linear-gradient(120deg,#f2b23e 0%,#f6c964 100%);border-radius:16px;padding:30px 26px;margin:34px 0 0;color:#2b1e04}
  .cta-inline h3{font-size:19px;font-weight:800;margin-bottom:8px}
  .cta-inline p{font-size:14.5px;color:#54400f;margin-bottom:16px}
  .cta-inline .btn-p{background:var(--navy);color:#fff}
  .fact{border-left:4px solid var(--teal);background:#f4f6fd;border-radius:0 12px 12px 0;padding:16px 18px;font-size:15px;color:var(--tx);margin:0 0 22px}
  .tabbar{display:flex;gap:8px;flex-wrap:wrap;margin:26px 0 6px}
  .tabbar a{font-size:13.5px;font-weight:700;color:var(--teal-dk);background:#e9ecfa;border-radius:999px;padding:8px 15px}
  .tabbar a:hover{background:var(--teal);color:#fff}
  .course-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:36px}
  .course-nav a{border:1px solid var(--line);background:var(--card);border-radius:12px;padding:14px 16px;font-size:14px;font-weight:700;color:var(--navy)}
  .course-nav a:hover{border-color:var(--teal)}
  .course-nav .dir{font-size:11.5px;color:var(--tx3);display:block;font-weight:600}