@charset "utf-8";

/* =========================================================
   바다등대박물관 — demo main page
   ========================================================= */

:root{
  --navy:#213444;
  --navy-2:#2b4055;
  --blue:#1983b5;
  --blue-2:#1786a9;
  --blue-deep:#025e8e;
  --teal:#009a91;
  --sky:#51c8ff;
  --ink:#1c2733;
  --gray:#858999;
  --gray-2:#6c7382;
  --line:#e3e6ea;
  --side-w:375px;
  --head-h:150px;
}

*{margin:0;padding:0;box-sizing:border-box;}
body{
  font-family:"Pretendard Variable",Pretendard,-apple-system,BlinkMacSystemFont,system-ui,"Apple SD Gothic Neo","Noto Sans KR","Malgun Gothic",sans-serif;
  color:var(--ink);background:#fff;font-size:16px;line-height:1.6;
  -webkit-font-smoothing:antialiased;word-break:keep-all;overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
em,i{font-style:normal;}
html{scroll-behavior:smooth;}

.skip{position:absolute;left:-9999px;top:0;z-index:300;background:var(--navy);color:#fff;padding:10px 18px;}
.skip:focus{left:0;}

/* shared */
.sub-title{font-size:24px;font-weight:700;letter-spacing:-.045em;color:#15202b;}
.btn-plus{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  color:#4a5666;border-radius:50%;transition:.25s;
}
.btn-plus:hover{background:#eef3f7;color:var(--blue);transform:rotate(90deg);}
.btn-pause{
  width:24px;height:24px;border-radius:50%;border:1px solid #c3cad3;color:#4a5666;
  display:inline-flex;align-items:center;justify-content:center;transition:.2s;
}
.btn-pause:hover{border-color:var(--blue);color:var(--blue);}
.btn-pause .ic-play{display:none;}
.btn-pause:not(.is-playing) .ic-play{display:block;}
.btn-pause:not(.is-playing) .ic-pause{display:none;}
.dots{display:flex;align-items:center;gap:9px;}
.dots button{width:11px;height:11px;border-radius:50%;border:1.4px solid #9aa4b0;background:transparent;transition:.2s;}
.dots button.is-active{background:#2b3846;border-color:#2b3846;}

/* reveal */
.sr{opacity:0;transform:translateY(28px);transition:opacity 1s cubic-bezier(.4,0,.2,1),transform 1s cubic-bezier(.4,0,.2,1);}
.sr.is-in{opacity:1;transform:none;}

/* =========================================================
   HEADER
   ========================================================= */
.header{
  position:fixed;top:0;left:0;width:100%;z-index:120;
  transition:background .35s,box-shadow .35s;
}
.header.is-solid{background:rgba(24,40,56,.96);box-shadow:0 2px 20px rgba(0,0,0,.25);}
.header-top{display:flex;justify-content:center;padding:34px 0 18px;transition:padding .3s;}
.header.is-solid .header-top{padding:16px 0 8px;}
.logo{display:flex;align-items:center;gap:11px;}
.logo-mark{display:inline-flex;}
.logo-text{display:flex;flex-direction:column;line-height:1.1;}
.logo-text strong{font-size:26px;font-weight:800;color:#fff;letter-spacing:-.05em;}
.logo-text em{font-size:9.5px;letter-spacing:.24em;color:rgba(255,255,255,.72);margin-top:4px;}

.header-bottom{position:relative;display:flex;justify-content:center;}
.gnb .depth1{display:flex;gap:56px;}
.gnb .depth1>li>a{
  display:block;padding:14px 4px 20px;font-size:17px;font-weight:600;color:rgba(255,255,255,.92);
  letter-spacing:-.03em;position:relative;
}
.gnb .depth1>li>a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;background:var(--sky);
  transform:scaleX(0);transition:transform .3s;
}
.gnb .depth1>li:hover>a::after{transform:scaleX(1);}

.mega{
  position:absolute;left:50%;transform:translateX(-50%);top:100%;width:100vw;max-width:1440px;
  background:#fff;border-top:1px solid rgba(255,255,255,.2);
  opacity:0;visibility:hidden;transition:.28s;box-shadow:0 18px 34px rgba(0,0,0,.14);
}
.gnb .depth1>li:hover .mega{opacity:1;visibility:visible;}
.mega-inner{display:flex;gap:60px;padding:40px 60px 46px;max-width:1240px;margin:0 auto;}
.mega-title{flex:0 0 280px;}
.mega-title strong{display:block;font-size:24px;font-weight:800;color:var(--navy);letter-spacing:-.04em;}
.mega-title p{margin-top:12px;font-size:14px;color:var(--gray-2);line-height:1.7;}
.depth2{display:flex;flex-wrap:wrap;gap:8px 34px;align-content:flex-start;}
.depth2 a{display:block;padding:7px 0;font-size:15px;color:#42505f;border-bottom:1px solid transparent;}
.depth2 a:hover{color:var(--blue-deep);font-weight:700;border-bottom-color:var(--blue-deep);}

.header-util{position:absolute;right:30px;top:6px;display:flex;align-items:center;gap:14px;}
.btn-en{
  font-size:13px;font-weight:700;letter-spacing:.06em;color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.4);border-radius:999px;padding:6px 14px;transition:.25s;
}
.btn-en:hover{background:rgba(255,255,255,.16);}
.btn-all{display:flex;align-items:center;gap:9px;color:#fff;font-size:14px;font-weight:600;}
.btn-all .bars{display:flex;flex-direction:column;gap:4px;}
.btn-all .bars i{display:block;width:20px;height:1.8px;background:#fff;border-radius:2px;}

/* all menu */
.allmenu{
  position:fixed;inset:0;z-index:200;background:#fff;
  transform:translateY(-100%);transition:transform .45s cubic-bezier(.4,0,.2,1);
  overflow-y:auto;
}
.allmenu.is-open{transform:none;}
.allmenu-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:26px 40px;border-bottom:1px solid var(--line);
}
.allmenu-logo{font-size:22px;font-weight:800;color:var(--navy);letter-spacing:-.05em;}
.allmenu-close{width:44px;height:44px;display:flex;align-items:center;justify-content:center;color:var(--navy);}
.allmenu-body{display:grid;grid-template-columns:repeat(6,1fr);gap:30px;padding:48px 40px 70px;max-width:1440px;margin:0 auto;}
.am-h{display:block;width:100%;text-align:left;font-size:19px;font-weight:800;color:var(--navy);padding-bottom:14px;border-bottom:2px solid var(--navy);letter-spacing:-.04em;}
.am-col ul{margin-top:16px;}
.am-col li a{display:block;padding:8px 0;font-size:15px;color:#4c5866;}
.am-col li a:hover{color:var(--blue-deep);text-decoration:underline;}
.dim{position:fixed;inset:0;background:rgba(0,0,0,.45);opacity:0;visibility:hidden;transition:.3s;z-index:150;}
.dim.is-on{opacity:1;visibility:visible;}

/* =========================================================
   SECTION COMMON
   ========================================================= */
.sec{position:relative;min-height:100vh;display:flex;}
.sec-body{display:flex;width:100%;}

/* left visual panel */
.side{
  position:relative;flex:0 0 var(--side-w);width:var(--side-w);
  background:#1b2a38 no-repeat center center/cover;overflow:hidden;
  display:flex;flex-direction:column;
}
.side::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(14,26,38,.78),rgba(14,26,38,.86));}
.side--ghost{background:rgba(12,28,44,.24);}
.side--ghost::before{background:linear-gradient(180deg,rgba(11,28,46,.30),rgba(11,28,46,.48));}
.side-in{position:relative;z-index:3;padding:185px 30px 0 105px;}
.side-in::before{content:"";position:absolute;left:-15px;top:-185px;width:1px;height:330px;background:rgba(255,255,255,.35);}
.side-title{font-size:30px;font-weight:800;color:#fff;letter-spacing:-.05em;}
.side-desc{margin-top:22px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.85);letter-spacing:-.02em;font-weight:500;}
.side-art{
  position:absolute;left:12px;bottom:58px;width:190px;z-index:2;opacity:.5;pointer-events:none;
}
.side-nav{position:relative;z-index:3;margin-top:auto;padding:0 0 92px 84px;}
.side-nav li{position:relative;}
.side-nav a{display:flex;align-items:center;gap:0;padding:14px 0;}
.side-nav i{
  width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.45);flex:0 0 7px;
  position:relative;transition:.25s;
}
.side-nav i::after{
  content:"";position:absolute;left:14px;top:50%;width:52px;height:1px;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,.5) 0 3px,transparent 3px 7px);
}
.side-nav span{margin-left:80px;font-size:14px;color:rgba(255,255,255,.62);letter-spacing:-.03em;transition:.25s;}
.side-nav li.on i{background:#fff;box-shadow:0 0 0 4px rgba(255,255,255,.18);}
.side-nav li.on span{color:#fff;font-weight:700;}
.side-nav a:hover span{color:#fff;}
.side-btns{position:absolute;left:0;bottom:0;width:100%;display:flex;z-index:4;}
.side-btns a{
  flex:1;height:58px;display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;color:#fff;letter-spacing:-.03em;
  background:rgba(255,255,255,.12);border-top:1px solid rgba(255,255,255,.2);transition:.25s;
}
.side-btns a+a{border-left:1px solid rgba(255,255,255,.2);}
.side-btns a:hover{background:var(--blue);}

/* right content */
.cont{position:relative;flex:1;min-width:0;display:flex;align-items:center;overflow:hidden;}
.cont-in{position:relative;z-index:2;width:100%;padding:0 32px 0 30px;}
.cont-title{font-size:28px;font-weight:800;letter-spacing:-.05em;color:#15202b;margin-bottom:48px;}
.cont-title span{position:relative;display:inline-block;padding:0 6px;}
.cont-title span::before{
  content:"";position:absolute;left:0;right:0;bottom:1px;height:14px;background:#cfe4f2;z-index:-1;
}
.cont-title--light{color:#fff;}
.cont-title--light span::before{background:rgba(255,255,255,.28);}
.watermark{
  position:absolute;left:-30px;bottom:26px;z-index:1;
  font-size:86px;font-weight:800;letter-spacing:.14em;color:#f2f4f6;white-space:nowrap;line-height:1;
  pointer-events:none;
}

/* =========================================================
   SECTION 1 : HERO
   ========================================================= */
.sec-hero{align-items:center;justify-content:center;background:#0d2033;overflow:hidden;}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(120% 78% at 78% 22%,rgba(43,102,148,.65),transparent 62%),
  linear-gradient(180deg,#123049 0%,#0f2740 42%,#0a1b2c 100%);}
.hero-beam{
  position:absolute;right:16%;top:22%;width:74%;height:58%;pointer-events:none;
  background:conic-gradient(from 196deg at 100% 12%,rgba(255,236,164,0) 0deg,rgba(255,236,164,.16) 10deg,rgba(255,236,164,0) 22deg);
  filter:blur(1px);animation:beam 9s ease-in-out infinite alternate;
  transform-origin:100% 12%;
}
@keyframes beam{from{transform:rotate(-8deg);opacity:.55;}to{transform:rotate(8deg);opacity:1;}}
.hero-art{position:absolute;inset:0;width:100%;height:100%;}
.hero-inner{position:relative;z-index:3;text-align:center;padding:60px 24px 0;}
.hero-title .line{display:block;color:#fff;letter-spacing:-.045em;}
.hero-title .en{
  font-size:15px;font-weight:600;letter-spacing:.34em;color:rgba(255,255,255,.72);
  margin-bottom:26px;text-transform:uppercase;
}
.hero-title .line:nth-child(2){font-size:34px;font-weight:500;color:rgba(255,255,255,.9);}
.hero-title .big{font-size:60px;font-weight:800;margin-top:10px;text-shadow:0 6px 34px rgba(0,0,0,.35);}
.hero-title .line{animation:heroUp 1.1s cubic-bezier(.2,.7,.3,1) both;}
.hero-title .line:nth-child(2){animation-delay:.15s;}
.hero-title .big{animation-delay:.3s;}
@keyframes heroUp{from{opacity:0;transform:translateY(26px);}to{opacity:1;transform:none;}}

.scroll-down{
  margin-top:70px;display:inline-flex;flex-direction:column;align-items:center;gap:12px;color:#fff;
}
.mouse{
  width:26px;height:42px;border:1.6px solid rgba(255,255,255,.7);border-radius:16px;
  display:flex;justify-content:center;padding-top:8px;
}
.mouse i{display:block;width:3px;height:7px;border-radius:2px;background:#fff;animation:wheel 1.7s ease-in-out infinite;}
@keyframes wheel{0%{opacity:0;transform:translateY(-4px);}35%{opacity:1;}100%{opacity:0;transform:translateY(12px);}}
.scroll-down .msg{font-size:12px;letter-spacing:.22em;color:rgba(255,255,255,.8);}

.hero-info{position:absolute;left:0;right:0;bottom:68px;z-index:4;padding:0 80px;}
.info-wrap{display:flex;max-width:1280px;margin:0 auto;backdrop-filter:blur(3px);}
.info-title{
  flex:0 0 270px;height:72px;display:flex;align-items:center;gap:9px;padding:0 26px;
  background:rgba(26,63,90,.85);color:var(--sky);font-size:15px;font-weight:700;letter-spacing:-.03em;
}
.info-title .ic{display:inline-flex;}
.info-list{
  flex:1;height:72px;display:flex;align-items:center;justify-content:space-around;gap:6px;
  background:rgba(16,28,40,.72);padding:0 18px;
}
.info-list li{display:flex;align-items:center;gap:9px;position:relative;padding:0 14px;}
.info-list li+li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:18px;background:rgba(255,255,255,.18);}
.info-list strong{display:flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:#fff;white-space:nowrap;}
.info-list span{font-size:14px;color:rgba(255,255,255,.75);white-space:nowrap;}

/* =========================================================
   SECTION 2 : 교육·행사
   ========================================================= */
.sec-edu .cont{background:#fff;}
.sec-edu .cont-in{padding-left:30px;max-width:1065px;}
.prog-head{display:flex;align-items:center;gap:24px;margin-bottom:28px;}
.prog-ctrl{display:flex;align-items:center;gap:16px;}
.btn-plus{margin-left:auto;}

.prog-view{overflow:hidden;}
.prog-track{display:flex;gap:34px;transition:transform .6s cubic-bezier(.4,0,.2,1);}
.prog-card{flex:0 0 calc((100% - 102px) / 4);min-width:0;}
.poster{
  display:block;width:100%;aspect-ratio:224/315;border-radius:2px;overflow:hidden;position:relative;
}
.poster svg{width:100%;height:100%;}
.poster.p1{background:linear-gradient(150deg,#2f88c4,#1a5d92 55%,#123f68);}
.poster.p2{background:linear-gradient(150deg,#2fb5a8,#0f7d86 55%,#0b5567);}
.poster.p3{background:linear-gradient(150deg,#3e6fbd,#22437f 55%,#172b58);}
.poster.p4{background:linear-gradient(150deg,#e9a13b,#c9622f 55%,#8d3a29);}
.prog-card a:hover .poster{filter:brightness(1.08);}
.badges{display:flex;gap:6px;margin-top:22px;}
.badges em{font-size:12.5px;font-weight:600;padding:4px 10px;border-radius:2px;letter-spacing:-.02em;}
.b-close{background:#2b3846;color:#fff;}
.b-open{background:var(--blue);color:#fff;}
.b-type{background:#eef1f4;color:#5a6472;}
.p-title{
  margin-top:14px;font-size:16px;font-weight:700;line-height:1.45;letter-spacing:-.04em;color:#1b2733;
  display:-webkit-box;-webkit-line-clamp:2;line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.prog-card a:hover .p-title{color:var(--blue-deep);text-decoration:underline;}
.p-date{margin-top:16px;font-size:13.5px;color:#9aa1ac;letter-spacing:.01em;}

/* =========================================================
   SECTION 3 : 전시안내
   ========================================================= */
.sec-exhibit{color:#fff;}
.ex-bg{
  position:absolute;inset:0;background:url('./img/exhibit-bg.jpg') no-repeat center center/cover;
}
.ex-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(18,49,82,.62),rgba(13,38,66,.78));}
.sec-exhibit .sec-body{position:relative;z-index:2;}
.sec-exhibit .cont-in{max-width:1065px;padding-left:30px;}

.ex-grid{display:flex;gap:26px;}
.ex-left{flex:1;min-width:0;display:flex;flex-direction:column;gap:10px;}
.ex-row{display:flex;background:#fff;overflow:hidden;min-height:272px;}
.ex-text{flex:0 0 45%;padding:34px 30px 30px;position:relative;color:var(--ink);}
.ex-cat{font-size:14px;font-weight:600;color:#7b8694;letter-spacing:-.02em;}
.ex-name{margin-top:8px;font-size:25px;font-weight:800;letter-spacing:-.05em;color:#14202c;}
.ex-desc{margin-top:26px;font-size:14px;line-height:1.75;color:#69727e;letter-spacing:-.02em;}
.ex-go{
  position:absolute;left:30px;bottom:30px;width:34px;height:34px;border-radius:50%;
  border:1px solid #cfd6dd;color:#41505f;display:flex;align-items:center;justify-content:center;transition:.25s;
}
.ex-go:hover{background:var(--blue);border-color:var(--blue);color:#fff;}
.ex-photo{flex:1;min-width:0;overflow:hidden;}
.ex-photo img{width:100%;height:100%;object-fit:cover;transition:transform .6s;}
.ex-row:hover .ex-photo img{transform:scale(1.05);}

.ex-right{flex:0 0 320px;display:flex;flex-direction:column;gap:25px;}
.plan-card{
  flex:1;background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  backdrop-filter:blur(4px);padding:30px 26px 22px;display:flex;flex-direction:column;min-height:300px;
}
.plan-view{overflow:hidden;flex:1;}
.plan-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);height:100%;}
.plan-item{flex:0 0 100%;min-width:0;}
.plan-cat{font-size:14px;color:rgba(255,255,255,.8);}
.plan-title{
  margin-top:14px;font-size:21px;font-weight:700;line-height:1.45;letter-spacing:-.045em;color:#fff;
  display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.plan-date{margin-top:18px;font-size:14px;color:rgba(255,255,255,.8);}
.plan-foot{display:flex;align-items:center;justify-content:space-between;margin-top:22px;}
.plan-foot .dots button{border-color:rgba(255,255,255,.7);}
.plan-foot .dots button.is-active{background:#fff;border-color:#fff;}
.plan-go{
  width:34px;height:34px;border-radius:50%;border:1px solid rgba(255,255,255,.5);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:.25s;
}
.plan-go:hover{background:#fff;color:var(--blue-deep);}

.ex-btn{
  flex:0 0 58px;display:flex;align-items:center;justify-content:space-between;
  padding:0 24px;background:var(--blue);color:#fff;font-size:16px;font-weight:700;letter-spacing:-.04em;
  transition:.25s;
}
.ex-btn:hover{background:#0f6fa0;}

/* =========================================================
   SECTION 4 : 박물관소식
   ========================================================= */
.sec-news .cont{background:#fff;}
.sec-news .cont-in{max-width:1065px;padding-left:30px;}
.news-grid{display:flex;gap:36px;}
.collection{flex:0 0 330px;}
.col-thumb{display:block;margin-top:24px;border:1px solid var(--line);background:#f4f5f7;overflow:hidden;}
.col-thumb img{width:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .5s;}
.col-thumb:hover img{transform:scale(1.04);}
.col-name{margin-top:14px;font-size:15px;color:#5a6472;letter-spacing:-.03em;}

.notice{flex:1;min-width:0;padding-left:36px;border-left:1px solid var(--line);}
.notice-head{display:flex;align-items:center;gap:8px;margin-bottom:22px;}
.notice-list li+li{margin-top:12px;}
.notice-list a{
  display:flex;align-items:center;gap:16px;padding:19px 22px;border:1px solid var(--line);
  transition:.25s;background:#fff;
}
.notice-list a:hover{border-color:var(--blue);box-shadow:0 8px 20px rgba(25,131,181,.12);}
.n-title{
  flex:1;min-width:0;font-size:15.5px;color:#26313d;letter-spacing:-.035em;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.notice-list a:hover .n-title{color:var(--blue-deep);}
.n-date{font-size:13.5px;color:#9aa1ac;white-space:nowrap;}
.n-arrow{
  width:17px;height:17px;flex:0 0 17px;background:no-repeat center/17px 17px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23566270' stroke-width='1.6' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 12h15M13 6l6 6-6 6'/%3E%3C/svg%3E");
}

.bottom-grid{display:flex;gap:28px;margin-top:42px;}
.calendar{flex:1;min-width:0;border:1px solid #1f88b4;}
.cal-head{display:flex;align-items:center;background:linear-gradient(90deg,#1b88b4,#1a7fae);color:#fff;padding:0 6px;height:100px;}
.cal-month{flex:0 0 118px;text-align:center;line-height:1.05;}
.cal-month strong{display:block;font-size:32px;font-weight:800;letter-spacing:-.02em;}
.cal-month span{display:block;font-size:12.5px;opacity:.85;margin-top:3px;}
.cal-days{flex:1;display:flex;}
.cal-days li{flex:1;text-align:center;}
.cal-days em{display:block;font-size:12.5px;font-weight:600;opacity:.9;}
.cal-days span{display:inline-flex;align-items:center;justify-content:center;width:30px;height:30px;border-radius:50%;margin-top:9px;font-size:15px;font-weight:600;}
.cal-days li.today span{background:#fff;color:#1b88b4;}
.cal-all{
  flex:0 0 76px;text-align:center;font-size:12.5px;font-weight:600;line-height:1.3;
  border-left:1px solid rgba(255,255,255,.35);padding:8px 0;
}
.cal-all svg{margin:4px auto 0;}
.cal-body{background:#fff;height:66px;display:flex;align-items:center;padding:0 20px;}
.cal-body a{display:flex;align-items:center;gap:14px;min-width:0;width:100%;}
.cal-chip{flex:0 0 auto;background:#54606e;color:#fff;font-size:12.5px;font-weight:600;padding:5px 11px;}
.cal-body span{
  font-size:15px;color:#2a343f;letter-spacing:-.035em;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.cal-body a:hover span{color:var(--blue-deep);text-decoration:underline;}

.promo{flex:0 0 348px;position:relative;}
.promo-view{overflow:hidden;height:130px;}
.promo-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);height:100%;}
.promo-item{
  flex:0 0 100%;min-width:0;position:relative;display:flex;align-items:center;
  padding:0 26px;overflow:hidden;
}
.promo-item.pr1{background:linear-gradient(120deg,#1e8fc4,#0f5f8e);}
.promo-item.pr2{background:linear-gradient(120deg,#12a396,#0a6a72);}
.promo-txt{position:relative;z-index:2;display:flex;flex-direction:column;gap:7px;color:#fff;}
.promo-txt em{font-size:13px;opacity:.85;letter-spacing:-.02em;}
.promo-txt b{font-size:19px;font-weight:800;letter-spacing:-.05em;}
.promo-art{position:absolute;right:6px;bottom:0;width:120px;height:90px;opacity:.85;}
.promo-ctrl{
  display:flex;align-items:center;justify-content:center;gap:10px;height:36px;margin-top:0;
  background:#f3f5f7;
}
.pr-arrow{width:24px;height:24px;display:flex;align-items:center;justify-content:center;color:#4a5666;}
.pr-arrow:hover{color:var(--blue);}
.pr-count{font-size:13px;color:#4a5666;letter-spacing:.02em;}

/* =========================================================
   FOOTER
   ========================================================= */
.footer{background:var(--navy);}
.related{background:#3a5570;border-bottom:1px solid rgba(255,255,255,.12);}
.related-in{display:flex;align-items:center;max-width:1440px;margin:0 auto;height:60px;padding:0 40px;}
.related-label{flex:0 0 330px;display:flex;align-items:center;gap:8px;color:#fff;}
.related-label>span{font-size:15px;font-weight:600;letter-spacing:-.03em;margin-right:10px;}
.rel-btn{width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.85);transition:.2s;}
.rel-btn:hover{background:rgba(255,255,255,.16);color:#fff;}
.rel-btn .ic-play{display:none;}
.rel-btn:not(.is-playing) .ic-play{display:block;}
.rel-btn:not(.is-playing) .ic-pause{display:none;}
.related-view{flex:1;min-width:0;overflow:hidden;}
.related-track{display:flex;transition:transform .55s cubic-bezier(.4,0,.2,1);}
.related-track li{flex:0 0 25%;min-width:0;text-align:center;position:relative;}
.related-track li::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:rgba(255,255,255,.28);}
.related-track a{display:block;font-size:15px;color:rgba(255,255,255,.92);letter-spacing:-.03em;padding:6px 8px;}
.related-track a:hover{text-decoration:underline;}

.foot-main{padding:44px 0 46px;}
.foot-in{display:flex;gap:56px;max-width:1440px;margin:0 auto;padding:0 40px;}
.foot-brand{flex:0 0 250px;padding-left:130px;}
.foot-logo{display:flex;align-items:center;gap:9px;}
.foot-logo .t{display:flex;flex-direction:column;line-height:1.1;}
.foot-logo strong{font-size:19px;font-weight:800;color:#fff;letter-spacing:-.05em;}
.foot-logo em{font-size:8px;letter-spacing:.15em;color:rgba(255,255,255,.6);margin-top:3px;white-space:nowrap;}
.foot-sns{display:flex;gap:9px;margin-top:26px;}
.foot-sns a{
  width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.12);color:#fff;
  display:flex;align-items:center;justify-content:center;transition:.25s;
}
.foot-sns a:hover{background:var(--blue);}

.foot-info{flex:1;min-width:0;}
.foot-policy{display:flex;align-items:center;gap:20px;}
.foot-policy a{font-size:14px;color:rgba(255,255,255,.82);letter-spacing:-.03em;}
.foot-policy a.strong{color:#fff;font-weight:700;text-decoration:underline;}
.foot-policy a:hover{color:#fff;}
.foot-addr{margin-top:22px;font-size:14px;color:rgba(255,255,255,.78);letter-spacing:-.02em;}
.foot-tel{margin-top:8px;font-size:14px;color:rgba(255,255,255,.78);display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.foot-tel strong{color:#fff;font-weight:700;}
.foot-tel .bar{width:1px;height:12px;background:rgba(255,255,255,.28);display:inline-block;margin:0 6px;}
.foot-copy{margin-top:14px;font-size:13.5px;color:rgba(255,255,255,.62);}
.foot-demo{margin-top:7px;font-size:11px;color:rgba(255,255,255,.4);}

.foot-hours{flex:0 0 400px;}
.foot-hours dl{display:flex;gap:14px;margin-bottom:9px;}
.foot-hours dt{flex:0 0 66px;font-size:14px;font-weight:700;color:#fff;letter-spacing:-.03em;}
.foot-hours dd{font-size:14px;color:rgba(255,255,255,.78);line-height:1.6;letter-spacing:-.02em;}

/* to top */
.to-top{
  position:fixed;right:28px;bottom:28px;z-index:110;width:48px;height:48px;border-radius:50%;
  background:rgba(33,52,68,.9);color:#fff;display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transform:translateY(10px);transition:.3s;box-shadow:0 8px 20px rgba(0,0,0,.24);
}
.to-top.is-on{opacity:1;visibility:visible;transform:none;}
.to-top:hover{background:var(--blue);}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width:1439px){
  .mega-inner{padding:36px 40px 42px;gap:40px;}
  .mega-title{flex:0 0 220px;}
  .foot-brand{padding-left:0;flex:0 0 210px;}
  .foot-in{gap:34px;}
  .foot-hours{flex:0 0 330px;}
}

@media (max-width:1279px){
  :root{--side-w:300px;}
  .gnb .depth1{gap:34px;}
  .gnb .depth1>li>a{font-size:16px;}
  .header-util{right:18px;}
  .side-in{padding:150px 24px 0 56px;}
  .side-in::before{left:-20px;top:-150px;height:280px;}
  .side-title{font-size:26px;}
  .side-nav{padding:0 0 78px 44px;}
  .side-nav span{margin-left:74px;}
  .side-art{width:150px;}
  .cont-in{padding:0 28px;}
  .cont-title{font-size:25px;margin-bottom:36px;}
  .prog-card{flex:0 0 calc((100% - 60px) / 3);}
  .prog-track{gap:30px;}
  .watermark{font-size:62px;}
  .ex-right{flex:0 0 270px;}
  .ex-name{font-size:22px;}
  .ex-text{padding:26px 22px;}
  .ex-go{left:22px;bottom:22px;}
  .collection{flex:0 0 260px;}
  .notice{padding-left:28px;}
  .bottom-grid{flex-direction:column;gap:20px;}
  .promo{flex:none;width:100%;}
  .promo-view{height:120px;}
  .hero-info{padding:0 30px;bottom:44px;}
  .info-list{flex-wrap:wrap;height:auto;padding:12px 10px;}
  .info-title{flex:0 0 220px;}
}

@media (max-width:1023px){
  :root{--head-h:104px;}
  .sec{min-height:0;display:block;}
  .sec-body{display:block;}
  .gnb,.btn-en{display:none;}
  .header-top{padding:22px 0 12px;}
  .header.is-solid .header-top{padding:14px 0 10px;}
  .header-bottom{min-height:44px;}
  .header-util{right:16px;top:-46px;}
  .btn-all .txt{display:none;}

  .side{
    width:100%;flex:none;min-height:0;background-image:none !important;
    background:#152838;padding:70px 20px 0;text-align:center;
  }
  .side::before{display:none;}
  .side--ghost{background:transparent;}
  .side-in{padding:0;}
  .side-in::before{display:none;}
  .side-title{font-size:26px;}
  .side-desc{margin-top:14px;font-size:14px;}
  .side-art,.side-nav{display:none;}
  .side-btns{position:static;margin-top:30px;}
  .side-btns a{height:54px;background:var(--blue);}
  .side-btns a+a{background:var(--teal);border-left:0;}

  .sec-edu .side,.sec-news .side{background:#152838;}
  .sec-exhibit .side{background:transparent;padding-top:70px;}
  .cont{display:block;}
  .cont-in{padding:56px 20px 70px;max-width:none;}
  .cont-title{text-align:center;display:none;}
  .watermark{display:none;}

  .prog-card{flex:0 0 calc((100% - 40px) / 2);}
  .prog-track{gap:20px;}

  .ex-grid{flex-direction:column;gap:18px;}
  .ex-left{gap:18px;}
  .ex-row{flex-direction:column;min-height:0;}
  .ex-photo{order:1;height:220px;}
  .ex-text{order:2;flex:none;padding:24px 22px 64px;}
  .ex-right{flex:none;width:100%;gap:14px;}
  .plan-card{min-height:230px;}

  .news-grid{flex-direction:column;gap:34px;}
  .collection{flex:none;width:100%;}
  .col-thumb img{aspect-ratio:4/3;}
  .notice{padding-left:0;border-left:0;}
  .cal-head{height:auto;flex-wrap:wrap;padding:14px 10px;}
  .cal-month{flex:0 0 78px;text-align:left;padding-left:8px;}
  .cal-month strong{font-size:26px;}
  .cal-days{flex:1;}
  .cal-days em{font-size:11px;}
  .cal-all{flex:0 0 62px;}

  .foot-in{flex-wrap:wrap;gap:28px;padding:0 20px;}
  .foot-brand{flex:0 0 100%;}
  .foot-info{flex:0 0 100%;}
  .foot-hours{flex:0 0 100%;}
  .related-in{height:auto;flex-direction:column;align-items:stretch;padding:12px 20px;gap:8px;}
  .related-label{flex:none;justify-content:center;}
  .related-track li{flex:0 0 50%;}

  .allmenu-body{grid-template-columns:repeat(2,1fr);gap:22px;padding:30px 20px 60px;}
  .hero-info{position:static;padding:0;margin-top:56px;}
  .sec-hero{padding:120px 0 40px;min-height:100vh;}
  .info-wrap{flex-direction:column;}
  .info-title{flex:none;height:56px;justify-content:center;}
  .info-list{flex-direction:column;align-items:flex-start;gap:12px;padding:18px 24px;}
  .info-list li{padding:0;}
  .info-list li+li::before{display:none;}
}

@media (max-width:767px){
  .header-top{padding:16px 0 10px;}
  .logo-mark svg{width:32px;height:32px;}
  .logo-text strong{font-size:20px;}
  .logo-text em{font-size:8px;letter-spacing:.18em;}
  .header-util{top:-40px;right:12px;}

  .hero-title .en{font-size:12px;letter-spacing:.26em;margin-bottom:18px;}
  .hero-title .line:nth-child(2){font-size:22px;}
  .hero-title .big{font-size:35px;}
  .scroll-down{margin-top:46px;}
  .info-list strong{font-size:13px;}
  .info-list span{font-size:13px;}

  .side{padding:56px 16px 0;}
  .side-title{font-size:23px;}
  .side-btns{flex-direction:column;gap:10px;}
  .side-btns a{height:50px;}
  .side-btns a+a{border-left:0;}

  .cont-in{padding:44px 16px 56px;}
  .sub-title{font-size:20px;}
  .prog-head{gap:10px 12px;margin-bottom:20px;flex-wrap:wrap;}
  .prog-head .sub-title{flex:0 0 100%;}
  .prog-card{flex:0 0 74%;}
  .prog-track{gap:14px;}
  .p-title{font-size:15px;min-height:44px;}

  .ex-photo{height:180px;}
  .ex-name{font-size:21px;}
  .plan-title{font-size:19px;}
  .ex-btn{flex-basis:54px;font-size:15px;padding:0 18px;}

  .notice-list a{padding:15px 16px;gap:10px;flex-wrap:wrap;}
  .n-title{flex:1 1 100%;white-space:normal;}
  .n-date{font-size:12.5px;}
  .n-arrow{margin-left:auto;}
  .cal-month{flex:0 0 60px;}
  .cal-days span{width:26px;height:26px;font-size:13px;margin-top:6px;}
  .cal-days em{font-size:0;}
  .cal-days em::first-letter{font-size:11px;}
  .cal-all{flex:0 0 52px;font-size:11px;}
  .cal-body{height:auto;padding:14px 14px;}
  .cal-body a{flex-wrap:wrap;gap:8px;}
  .cal-body span{flex:1 1 100%;white-space:normal;}

  .promo-view{height:112px;}
  .promo-txt b{font-size:17px;}
  .promo-art{width:96px;height:72px;}

  .related-track li{flex:0 0 50%;}
  .related-track a{font-size:14px;}
  .foot-logo strong{font-size:17px;}
  .foot-hours dl{flex-direction:column;gap:2px;margin-bottom:12px;}
  .foot-hours dt{flex:none;}
  .to-top{right:14px;bottom:14px;width:42px;height:42px;}
}