.header {
  background-color: transparent;
}
.gnb .menu li .mainmenu {
  color: #ffffff;
}
.sub {
  width: 100%;
  max-width: 1920px;
  min-width: 1400px;
  margin: 0 auto;
  overflow: hidden;
}
.sub .sub-top {
  width: 100%;
  height: 520px;
  background: url("../image/sub-top.jpg") no-repeat center/cover;
  display: flex;
  justify-content: center;
  align-items: center;
}
.sub .sub-top img {
}

.sub .sub-bottom {
  width: 100%;
  height: auto;
  max-width: 1300px;
  margin: 0 auto;

  padding-top: 80px;
  position: relative;
  padding-bottom: 80px;
}
.sub .sub-bottom h2 {
  color: #313131;
  font-size: 45px;
  text-align: center;
  padding-bottom: 100px;
}
.sub .sub-bottom img {
  width: 100%;
  padding-bottom: 100px;
}

.contact_link .naver_link1 {
  position: absolute;
  width: 202px;
  height: 44px;
  /* background-color: aquamarine; */
  top: 44%;
  right: 25.5%;
  display: block;
}
.contact_link .naver_link2 {
  position: absolute;
  width: 202px;
  height: 44px;
  /* background-color: rgb(69, 97, 88); */
  top: 44%;
  right: 9.5%;
  display: block;
}
.box {
  padding-top: 100px;
}
.box2 {
  padding-top: 0px;
  padding-bottom: 100px;
}
.duck {
  margin-top: 30px;
  text-align: center;
}

.gonggo_btn {
  position: absolute;
  top: 50%;
  width: 312px;
  height: 180px;
  z-index: 29;
}

.gonggo01_btn {
  left: 587px;
}

.gonggo02_btn {
  left: 915px;
}