.background .main {
  overflow: hidden;
  display: flex;
  justify-content: flex-start;
  align-items: flex-end;
  align-content: auto;
  flex-direction: auto;
  flex-wrap: auto;
  padding-bottom: 80px;
  position: relative;
  z-index: 10;
}
.background .main .mainBG {
  background-image: url(../image/04sub_main.png);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 60vh;
  transition: transform 2s;
}
.background .main h2 {
  line-height: 90px;
  color: #fefefe;
  z-index: 11;
  font-size: 70px;
  padding-bottom: 60px;
}
.background .main h2 .vis {
  display: none;
}
.background .main:hover .mainBG {
  transform: scale(1.1) translateZ(1px);
}
.background .maintxt {
  height: 40vh;
}
.background .maintxt h4, .background .maintxt h5 {
  text-align: center;
}
.background .maintxt h4 {
  padding: 100px 0 10px;
}
.background .maintxt h5 {
  color: #6563FF;
  padding: 10px 0 60px;
}

@media screen and (min-width: 768px) and (max-width: 1023px) {
  body .wrap .background .main {
    height: 50vh;
    padding-bottom: 20px;
  }
  body .wrap .background .main h2 {
    font-weight: auto;
    font-size: 48px;
    line-height: 60px;
    color: auto;
  }
  body .wrap .background .maintxt {
    height: 50vh;
  }
  body .wrap .background .maintxt h4 {
    font-size: 30px;
  }
  body .wrap .background .maintxt h5 {
    font-size: 24px;
  }
}
@media screen and (max-width: 767px) {
  body .wrap .background .main {
    height: 50vh;
    padding-bottom: 20px;
  }
  body .wrap .background .main h2 {
    font-weight: auto;
    font-size: 36px;
    line-height: 50px;
    color: auto;
  }
  body .wrap .background .maintxt {
    height: 50vh;
  }
  body .wrap .background .maintxt h4 {
    font-size: 20px;
    padding-bottom: 0;
    padding-top: 60px;
  }
  body .wrap .background .maintxt h5 {
    font-size: 18px;
    padding-top: 0;
  }
}