.header.apply-header .nav-con {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.header.apply-header .nav-con__logo {
  margin: 0;
}

.yeseo-logo {
  position: relative;
  display: inline-block;
  width: 13rem;
  height: auto;
}

.yeseo-logo__img {
  display: block;
  width: 13rem;
  height: auto;
  transition: opacity 0.4s ease;
}

.yeseo-logo__img--blue {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.yeseo-header.scrollOn {
  background: #fff;
  box-shadow: rgba(150, 150, 150, 0.2) 2px 2px 10px;
  border-bottom: 1px solid #E6E8ED;
}

.yeseo-header.scrollOn .yeseo-logo__img--base {
  opacity: 0;
}

.yeseo-header.scrollOn .yeseo-logo__img--blue {
  opacity: 1;
}