@font-face{font-family:'Paperlogy';font-weight:700;font-style:normal;font-display:swap;
  src:url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-7Bold.woff2') format('woff2')}
@font-face{font-family:'Paperlogy';font-weight:800;font-style:normal;font-display:swap;
  src:url('https://cdn.jsdelivr.net/gh/fonts-archive/Paperlogy/Paperlogy-8ExtraBold.woff2') format('woff2')}
:root{
  --navy:#0b2447; --deep:#0062c4; --blue:#007bdd; --blue-2:#2b95ea; --sky:#36c2ff; --lime:#8cc21f; --orange:#f5a300;
  --ink:#16202e; --ink-2:#4a5566; --ink-3:#8a94a3;
  --line:#e2e8f0; --bg:#f3f6fa;
  --max:1400px; --head-h:88px;
  --ease:cubic-bezier(.22,.9,.28,1);
  --font-base:'Pretendard Variable',Pretendard,-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Noto Sans KR','Apple SD Gothic Neo','Malgun Gothic',sans-serif;
  --font-pt:'Paperlogy','Pretendard Variable',Pretendard,'Apple SD Gothic Neo','Malgun Gothic',sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;overflow-x:hidden}
@supports (overflow:clip){html,body{overflow-x:clip}}
body{margin:0;background:#fff;color:var(--ink);font-family:var(--font-base);font-size:18px;line-height:1.6;
  letter-spacing:-.02em;word-break:keep-all}
img{max-width:100%;border:0;vertical-align:middle}
a{color:inherit;text-decoration:none}
ul,ol,li{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,h5,p,figure,dl,dd{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;letter-spacing:inherit;padding:0}
input,select,textarea{font:inherit;color:inherit}
svg{display:block}
.blind{position:absolute;width:1px;height:1px;margin:-1px;padding:0;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
:focus-visible{outline:3px solid var(--sky);outline-offset:2px}
.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 28px}
.rv{opacity:0;transform:translateY(24px);transition:opacity .7s var(--ease),transform .7s var(--ease)}
.rv.in{opacity:1;transform:none}
.rv.d1{transition-delay:.1s}.rv.d2{transition-delay:.2s}.rv.d3{transition-delay:.3s}
@media (prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}
.skip a{position:absolute;left:-9999px;top:0;z-index:2000;background:var(--ink);color:#fff;padding:10px 16px}
.skip a:focus{left:10px;top:10px}

.hd{position:fixed;left:0;top:0;width:100%;height:var(--head-h);z-index:900;background:transparent;
  transition:background .3s var(--ease),box-shadow .3s var(--ease)}
.hd::before{content:'';position:absolute;inset:0 0 -40px;z-index:-1;pointer-events:none;
  background:linear-gradient(180deg,rgba(5,18,40,.5),rgba(5,18,40,0));transition:opacity .3s}
.hd.solid,.hd.mega-on{background:#fff;box-shadow:0 1px 0 var(--line),0 8px 24px rgba(15,30,60,.08)}
.hd.solid::before,.hd.mega-on::before{opacity:0}
.hd-in{position:relative;width:100%;max-width:1680px;margin:0 auto;padding:0 32px;height:100%;display:flex;align-items:center;gap:20px}
.logo{flex:0 0 auto}
.logo img{height:38px;filter:drop-shadow(0 2px 6px rgba(0,10,30,.45));transition:filter .3s}
.hd:not(.solid):not(.mega-on) .logo img{content:url(/new_css/images/ida_logo_w.png)}
.hd.solid .logo img,.hd.mega-on .logo img{filter:none}
#gnb{flex:1 1 auto;min-width:0;display:flex;justify-content:center}
.gnb{display:flex;align-items:center;gap:4px}
.gnb>li>a{position:relative;display:block;padding:12px 18px;font-size:20px;font-weight:700;color:#fff;white-space:nowrap;transition:color .3s}
.gnb>li>a::after{content:'';position:absolute;left:18px;right:18px;bottom:2px;height:3px;border-radius:2px;background:var(--lime);
  transform:scaleX(0);transition:transform .3s var(--ease)}
.gnb>li:hover>a::after,.gnb>li.on>a::after,.gnb>li.cur>a::after{transform:scaleX(1)}
.hd.solid .gnb>li>a,.hd.mega-on .gnb>li>a{color:var(--ink)}
.hd.solid .gnb>li:hover>a,.hd.mega-on .gnb>li.on>a,.hd.solid .gnb>li.cur>a{color:var(--blue)}
.hd.solid .gnb>li>a::after,.hd.mega-on .gnb>li>a::after{background:var(--blue)}
.hd-btns{display:flex;align-items:center;gap:6px;flex:0 0 auto;margin-left:auto}
.hd-util{display:flex;align-items:center;gap:16px;margin-right:6px}
.hd-util a{display:inline-flex;align-items:center;gap:6px;font-size:15.5px;font-weight:600;color:rgba(255,255,255,.95);white-space:nowrap;transition:color .3s}
.hd-util svg{width:19px;height:19px}
.hbtn{width:44px;height:44px;border-radius:8px;display:grid;place-items:center;color:#fff;transition:.2s}
.hbtn:hover{background:rgba(255,255,255,.16)}
.hbtn svg{width:25px;height:25px}
.hd.solid .hd-util a,.hd.mega-on .hd-util a,.hd.solid .hbtn,.hd.mega-on .hbtn{color:var(--ink)}
.hd.solid .hd-util a:hover,.hd.mega-on .hd-util a:hover{color:var(--blue)}
.hd.solid .hbtn:hover,.hd.mega-on .hbtn:hover{background:var(--bg);color:var(--blue)}
.mega{position:absolute;left:0;top:var(--head-h);width:100%;background:#fff;border-top:1px solid var(--line);
  box-shadow:0 18px 32px rgba(10,30,70,.12);opacity:0;visibility:hidden;transform:translateY(-8px);transition:.28s var(--ease)}
.hd.mega-on .mega{opacity:1;visibility:visible;transform:none}
.mega-in{max-width:1240px;margin:0 auto;padding:28px 28px 32px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.mega-in h3{font-family:var(--font-pt);font-size:17px;font-weight:800;padding-bottom:10px;margin-bottom:8px;border-bottom:2px solid var(--blue)}
.mega-in a{display:block;padding:7px 8px;border-radius:6px;font-size:16px;color:#4f5968}
.mega-in a:hover,.mega-in a.cur{background:#eaf4fd;color:var(--blue);font-weight:600}

.sv{position:relative;height:352px;color:#fff;overflow:hidden;background:var(--navy)}
.sv-bg{position:absolute;inset:0}
.sv-bg img{width:100%;height:100%;object-fit:cover;object-position:50% 45%;animation:svZoom 14s ease-out both}
@keyframes svZoom{from{transform:scale(1.07)}to{transform:scale(1)}}
.sv-bg::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,rgba(6,24,56,.78) 0%,rgba(6,24,56,.45) 45%,rgba(6,24,56,.1) 100%),linear-gradient(0deg,rgba(6,24,56,.55) 0%,rgba(6,24,56,0) 45%)}
.sv-in{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:flex-end;padding-bottom:58px}
.sv-cat{display:inline-block;align-self:flex-start;padding:6px 15px;border-radius:999px;background:var(--lime);color:#fff;font-size:15px;font-weight:800;letter-spacing:.02em}
.sv h1{margin-top:16px;font-family:var(--font-pt);font-size:clamp(36px,4vw,60px);font-weight:800;line-height:1.15;letter-spacing:-.04em}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin-top:18px;font-size:15.5px;color:rgba(255,255,255,.85)}
.crumb svg{width:15px;height:15px;opacity:.7}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .home svg{width:18px;height:18px;opacity:1}

.stab{position:sticky;top:var(--head-h);z-index:800;background:#fff;border-bottom:1px solid var(--line)}
.stab ul{display:flex;justify-content:center;gap:6px}
.stab a{position:relative;display:block;padding:22px 26px;font-size:18px;font-weight:700;color:var(--ink-2);white-space:nowrap;transition:color .2s}
.stab a::after{content:'';position:absolute;left:26px;right:26px;bottom:-1px;height:3px;background:var(--blue);transform:scaleX(0);transition:transform .3s var(--ease)}
.stab a:hover{color:var(--ink)}
.stab a.on{color:var(--blue)}
.stab a.on::after{transform:scaleX(1)}

.sc{padding:120px 0}
.sc.gray{background:var(--bg)}
.sc:not(.gray)+.sc:not(.gray){padding-top:0}
.sc[id]{scroll-margin-top:calc(var(--head-h) + 60px)}
.sc-h{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:20px;margin-bottom:56px}
.sc-h .no{display:block;font-family:var(--font-pt);font-size:17px;font-weight:800;color:var(--blue);letter-spacing:.06em}
.sc-h h2{margin-top:8px;font-family:var(--font-pt);font-size:clamp(30px,3vw,44px);font-weight:800;line-height:1.2;letter-spacing:-.04em}
.sc-h p{margin-top:12px;font-size:18px;color:var(--ink-2)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;border-radius:999px;font-size:16.5px;font-weight:700;transition:.25s var(--ease);white-space:nowrap}
.btn svg{width:18px;height:18px}
.btn-blue{background:var(--blue);color:#fff}
.btn-blue:hover{background:#0069c2}
.btn-line{border:1px solid var(--line);background:#fff;color:var(--ink)}
.btn-line:hover{border-color:var(--blue);color:var(--blue)}

.broll{border-top:1px solid var(--line);background:#fff}
.broll-in{max-width:var(--max);margin:0 auto;padding:16px 28px;display:flex;align-items:center;gap:20px}
.broll .nav{display:flex;gap:4px;flex:0 0 auto}
.broll .nav button{width:30px;height:30px;border-radius:4px;border:1px solid var(--line);display:grid;place-items:center;color:var(--ink-3)}
.broll .nav button:hover{background:#f2f5f9;color:var(--ink)}
.broll .nav svg{width:15px;height:15px}
.broll .view{flex:1;min-width:0;overflow:hidden}
.broll .track{display:flex;gap:44px;width:max-content;align-items:center}
.broll .track a{font-size:16px;color:#6f7a8c;transition:.2s}
.broll .track a:hover{color:var(--blue)}
.ft{background:#16202e;color:#aab4c3;padding:38px 0 46px}
.ft-in{max-width:var(--max);margin:0 auto;padding:0 28px;display:grid;grid-template-columns:auto minmax(0,1fr) 270px;gap:32px;align-items:start}
.ft-logo img{height:36px;filter:brightness(0) invert(1);opacity:.92}
.ft-links{display:flex;gap:18px;flex-wrap:wrap;margin-bottom:14px}
.ft-links a{font-size:15.5px;color:#d6dde7}
.ft-links a.em{color:#fff;font-weight:700}
.ft-links a:hover{text-decoration:underline}
.ft-info{font-size:15px;line-height:1.9;font-style:normal}
.ft-info span{margin-right:16px;display:inline-block}
.ft-copy{margin-top:12px;font-size:14px;color:#8f9aab}
.ft-sel{position:relative}
.ft-sel>button{width:100%;display:flex;align-items:center;justify-content:space-between;gap:10px;padding:13px 16px;
  border:1px solid #4d5c75;border-radius:6px;font-size:15.5px;color:#e3e8ef}
.ft-sel>button svg{width:16px;height:16px;transition:transform .3s}
.ft-sel.open>button svg{transform:rotate(180deg)}
.ft-sel ul{position:absolute;left:0;bottom:calc(100% + 6px);width:100%;background:#3a4964;border:1px solid #4d5c75;border-radius:6px;
  padding:6px;opacity:0;visibility:hidden;transform:translateY(8px);transition:.25s var(--ease);max-height:240px;overflow:auto;z-index:10}
.ft-sel.open ul{opacity:1;visibility:visible;transform:none}
.ft-sel ul a{display:block;padding:9px 12px;border-radius:4px;font-size:15px;color:#d6dde7}
.ft-sel ul a:hover{background:#4d5c75;color:#fff}
.topbtn{position:fixed;right:22px;bottom:24px;z-index:890;width:54px;height:54px;border-radius:50%;background:var(--ink);color:#fff;
  display:grid;place-items:center;align-content:center;box-shadow:0 10px 24px rgba(20,60,140,.35);opacity:0;visibility:hidden;transform:translateY(12px);transition:.3s var(--ease)}
.topbtn.on{opacity:1;visibility:visible;transform:none}
.topbtn svg{width:20px;height:20px}
.topbtn span{font-size:10px;font-weight:700;letter-spacing:.06em}

.layer{position:fixed;inset:0;z-index:1200;background:rgba(11,36,71,.97);color:#fff;opacity:0;visibility:hidden;transition:.3s var(--ease);overflow-y:auto}
.layer.on{opacity:1;visibility:visible}
.layer-top{max-width:var(--max);margin:0 auto;padding:22px 28px;display:flex;align-items:center;justify-content:space-between}
.layer-top img{height:34px;filter:brightness(0) invert(1)}
.layer-close{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.4);display:grid;place-items:center}
.layer-close:hover{background:rgba(255,255,255,.16)}
.layer-close svg{width:22px;height:22px}
.layer-mem{max-width:1200px;margin:0 auto;padding:0 28px 18px;display:flex;gap:10px;flex-wrap:wrap}
.layer-mem a{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border:1px solid rgba(255,255,255,.4);border-radius:999px;font-size:15.5px;font-weight:600}
.layer-mem a:hover{background:#fff;color:var(--ink)}
.layer-mem svg{width:18px;height:18px}
.layer-in{max-width:1200px;margin:0 auto;padding:16px 28px 70px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:22px}
.layer-in h3{font-family:var(--font-pt);font-size:20px;font-weight:800;padding-bottom:12px;border-bottom:2px solid rgba(255,255,255,.6);margin-bottom:10px}
.layer-in a{display:block;padding:8px 6px;font-size:16.5px;color:rgba(255,255,255,.85);border-radius:5px}
.layer-in a:hover{background:rgba(255,255,255,.14);color:#fff}
.slayer{display:grid;place-items:center}
.slayer form{width:min(680px,88vw)}
.slayer .lb{display:block;font-size:17px;margin-bottom:12px;opacity:.9}
.slayer .fld{display:flex;align-items:center;gap:10px;background:#fff;border-radius:999px;padding:8px 10px 8px 22px}
.slayer input{flex:1;min-width:0;border:0;font-size:18px;padding:11px 0;color:#222}
.slayer input:focus{outline:none}
.slayer .go{width:48px;height:48px;border-radius:50%;background:var(--blue);color:#fff;display:grid;place-items:center}
.slayer .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.slayer .tags a{font-size:15px;border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:6px 15px}
.slayer .tags a:hover{background:#fff;color:#222}
.mobar{display:none}

@media (max-width:1600px){
  .hd-util a span{display:none}
  .hd-util{gap:4px}
  .hd-util a{width:40px;height:40px;justify-content:center;border-radius:8px}
  .hd-util a:hover{background:rgba(255,255,255,.16)}
  .hd.solid .hd-util a:hover,.hd.mega-on .hd-util a:hover{background:var(--bg)}
  .hd-util svg{width:21px;height:21px}
}
@media (max-width:1280px){
  .hd-util{display:none}
  .hd-in{gap:12px}
  .logo img{height:32px}
  .gnb>li>a{padding:12px 11px;font-size:17.5px}
  .gnb>li>a::after{left:11px;right:11px}
}
@media (max-width:1080px){
  .sv{height:440px}
  .sc{padding:96px 0}
  .ft-in{grid-template-columns:minmax(0,1fr);gap:20px}
  .ft-sel{max-width:320px}
  .stab a{padding:20px 16px;font-size:17px}
  .stab a::after{left:16px;right:16px}
}
@media (max-width:860px){
  :root{--head-h:66px}
  .hd-in{padding:0 18px;gap:12px}
  .logo img{height:30px}
  #gnb,.mega{display:none}
  .sv{height:360px}
  .sv-in{padding-bottom:36px}
  .stab ul{justify-content:flex-start;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0}
  .stab li{border-right:1px solid var(--line);border-bottom:1px solid var(--line)}
  .stab li:nth-child(2n){border-right:0}
  .stab a{padding:13px 8px;font-size:15.5px;text-align:center;white-space:normal}
  .stab a::after{left:0;right:0}
  .stab a.on{background:#eaf4fd}
  .stab{position:relative;top:0}
  .sc-h{grid-template-columns:minmax(0,1fr);margin-bottom:36px}
  .sc-h .btn{justify-self:start;padding:11px 20px;font-size:15.5px}
  .mobar{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));position:fixed;left:0;right:0;bottom:0;z-index:940;
    background:rgba(255,255,255,.97);border-top:1px solid var(--line);box-shadow:0 -6px 18px rgba(20,40,80,.08);
    padding:7px 4px calc(7px + env(safe-area-inset-bottom))}
  .mobar a{display:grid;justify-items:center;gap:3px;font-size:12.5px;font-weight:700;color:#4b5666;padding:5px 2px}
  .mobar svg{width:23px;height:23px;color:var(--blue)}
  .topbtn{bottom:80px;width:46px;height:46px}
  body{padding-bottom:64px}
  .layer-in{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:560px){
  body{font-size:17px}
  .wrap,.broll-in,.ft-in{padding-left:16px;padding-right:16px}
  .sv{height:250px}
  .sv h1{margin-top:12px}
  .crumb{font-size:14px;margin-top:12px}
  .sc{padding:68px 0}
  .sc-h p{font-size:16px}
  .layer-in{grid-template-columns:minmax(0,1fr)}
  .layer-mem{padding:0 16px 10px}
  .broll .track{gap:26px}
  .broll .track a{font-size:14.5px}
}
@media (min-width:1601px){
  #gnb{position:absolute;left:50%;top:0;height:100%;transform:translateX(-50%);align-items:center}
}