.sub {
  width: 100%;
  overflow: hidden;
}
.sub .sub_top {
  width: 100%;
  height: 50vw;
  background: url("../image/seb_top.png") no-repeat center bottom;
  background-size: cover;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sub .sub_top img {
  width: 80%;
  margin-top: 10%;
}
.sub .sub_top .title {
  font-family: "Nanum Myeongjo", serif;
  text-align: center;
  margin-top: 16%;
}
.sub .sub_top .title img {
  width: 62%;
}
.sub .sub_top .title h3 {
  font-size: 4.23vw;
  font-weight: 100;
  letter-spacing: 1px;
  color: #dbdbdb;
  margin-bottom: 2vw;

  animation: load_T 1.5s both;
  animation-delay: 0.65s;
  display: block;
}
.sub .sub_top .title h3 b {
  font-weight: 700;
  color: #fff;
}
.sub .sub_top .title p {
  font-size: 5vw;
  letter-spacing: 1.92;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;

  animation: load_T 1.5s both;
  animation-delay: 0.8s;
  display: block;
}

.sub .page {
  width: 98%;
  height: auto;
  margin: 10vw auto 15vw;
}
.sub .page img {
  width: 100%;
}

.sub .page .iframbox {
  width: 100%;
  margin: 0 auto;
}