.ready {
  width: 100%;
  height:100vh;
}

.ready video {
  height:100%;
  object-fit:cover;
}

.ready .ready-text {
  position:absolute;
  left:50%;
  top:50%;
  transform: translate(-50%,-50%);
  text-align: center;
  color:#fff;
  font-size:3rem;
  font-weight:bold;
}

.ready .ready-text div:first-child{
  font-family: "LINESeedKR-Bd";
  font-size:4rem;
}

.nc-top {
  background-image:url(../img/nc-visual-img.png);
}

.sec3 {
  padding:240px 0;
}

.sec3 .section-txt {
  text-align: center;
  margin-bottom: 40px;
}

.sec3 .sec3-img img {
  width: 100%;
}

.sec3 .sec3-img .sec3-bg-m {
  display: none;
}


.sec4 {
  padding: 164px 0 240px 0;
}

@media (max-width:1079px) {
  .sec3 {
    padding:160px 0;
  }

  .sec3 .section-txt {
    padding:0 20px;
  }
}

@media (max-width:719px) {
  .sec3 {
    padding:116px 0 40px 0;
  }

  .sec3 .sec3-img .sec3-bg-w {
    display: none;
  }

  .sec3 .sec3-img .sec3-bg-m {
    display: block;
    width: 100%;
  }

  .sec4 {
    padding:40px 0 120px 0;
  }

  .ready .ready-text div:first-child {
    line-height: 64px;
  }

  .ready-text div {
    font-size:1.5rem;
  }

  .ready-text div span {
    display: block;
  }
}