@charset "utf-8";

#wrap {
	width:100%;
	position:relative; 
	margin:0 auto;
}
#header {
	width:100%;
	z-index:300;
	margin:0 auto;
	position:fixed;
	background:#fff;
	top:0px;
	box-shadow: rgba(0, 0, 0, 0.2) 0px 4px 6px -1px, rgba(0, 0, 0, 0.06) 0px 2px 4px -1px;
}
#container {
	width:100%;
	min-height:400px;
	position:relative; 
	margin:118px auto 0;
	letter-spacing:-0.03em;
	text-align:left;
	line-height:1.55rem
}
.container2 {
	width:100%;
	position:relative;
}
.contents {
	width:1100px;
	position:relative; 
	margin:40px auto 50px;
	overflow:hidden;
}
#footer{
	width:100%;
	clear:both;
	position:relative; 
	margin:0 auto;
	font-size:15px;
	background:#333;
	line-height:1.4em;
	font-weight:400;
}
#footer .inner {	
	display:flex;
	flex-wrap: wrap;
	text-align:left;
	color:#fff !important;
	font-weight:300;
	position:relative; 
	margin:0 auto;
}
.ft_copy a {color:#fff;}
html {
  scroll-behavior: smooth;
}

body.mobile-menu-open {
  overflow: hidden;
}

body.page-ready #container > *,
body.page-ready #footer {
  opacity: 0;
}

.js.ui-preload body.page-ready #container > *,
.js.ui-preload body.page-ready #footer {
  opacity: 0;
}

.js body.page-ready.is-page-loaded #container > *,
.js body.page-ready.is-page-loaded #footer {
  animation: pageFadeIn .45s ease forwards;
}

.js body.page-ready.is-page-loaded #container > *:nth-child(2) { animation-delay: .05s; }
.js body.page-ready.is-page-loaded #container > *:nth-child(3) { animation-delay: .15s; }
.js body.page-ready.is-page-loaded #container > *:nth-child(4) { animation-delay: .20s; }
.js body.page-ready.is-page-loaded #container > *:nth-child(5) { animation-delay: .25s; }
.js body.page-ready.is-page-loaded #container > *:nth-child(6) { animation-delay: .30s; }
.js body.page-ready.is-page-loaded #footer { animation-delay: .35s; }

.main_quick,
.n_main_like,
.main_con1 .main_noti,
.mb_bn,
.main_con3,
.m_column .main_con2,
.sub_inner > *,
.about_pros > p,
.about_vod,
.tc_txt,
.teacher_intro > * {
  will-change: opacity, transform;
}

.reveal-on-scroll,
.reveal-left-on-scroll {
  opacity: 0;
}
/* guide page: prevent first-paint flash before JS reveal init */
.guide_wrp > div
 {
  opacity: 0;
}

.reveal-on-scroll {
  transform: translate3d(0, 20px, 0);
  transition: opacity .5s ease, transform .5s ease;
}

.reveal-left-on-scroll {
  transform: translate3d(-44px, 0, 0);
  transition: opacity .8s ease-in, transform .8s ease-in;
}

.reveal-on-scroll.is-visible,
.reveal-left-on-scroll.is-visible {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.about_vod_trigger {
  display: block;
  position: relative;
  cursor: pointer;
}

.about_vod_trigger::after {

}

.about_vod_trigger img {
  display: block;
  width: 100%;
  height: auto;
}

.video_modal {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  background: rgba(0, 0, 0, 0.84);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .25s ease, visibility .25s ease;
  z-index: 5000;
}

.video_modal.is-open {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.video_modal_dialog {
  position: relative;
  width: min(1200px, 100%);
  padding-top: min(56.25%, 680px);
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 18px 50px rgba(0,0,0,.35);
}

.video_modal_dialog iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

.video_modal_close {
  position: absolute;
  top: 18px;
  right: 18px;
  width: 52px;
  height: 52px;
  border: 0;
  border-radius: 999px;
  background: rgba(255,255,255,.96);
  color: #111;
  font-size: 24px;
  font-weight: 700;
  line-height: 52px;
  text-align: center;
  cursor: pointer;
  z-index: 5001;
  box-shadow: 0 10px 28px rgba(0,0,0,.25);
}

.video_modal_close:hover,
.video_modal_close:focus {
  background: #fff;
}

@keyframes pageFadeIn {
  from {
    opacity: 0;
    transform: translate3d(0, 22px, 0);
  }
  to {
    opacity: 1;
    transform: translate3d(0, 0, 0);
  }
}


/* main page reveal fix: keep .main_con3 hidden until its own scroll reveal */
.js body.page-ready #container > .main_con3,
.js.ui-preload body.page-ready #container > .main_con3,
.js body.page-ready.is-page-loaded #container > .main_con3 {
  opacity: 0 !important;
  visibility: hidden;
  transform: translate3d(0, 20px, 0) !important;
  animation: none !important;
}

.js body.page-ready #container > .main_con3.is-visible,
.js body.page-ready.is-page-loaded #container > .main_con3.is-visible {
  opacity: 1 !important;
  visibility: visible;
  transform: translate3d(0, 0, 0) !important;
  transition: opacity .5s ease, transform .5s ease;
}