.top-images {
  position: relative;
  height: 100vh;
}

.service-wrap {
  margin: 0 50px 8vw;
}
.service-wrap:last-child {
  margin-bottom: 0;
}
.service-title {
  text-align: center;
}
.service-list {
  display: -ms-flexbox;
  display: flex;
  -webkit-flex-wrap: wrap;
  flex-wrap: wrap;
  max-width: 1000px;
  margin: -2% auto;
}
.service-item {
  position: relative;
  width: 46%;
  margin: 2%;
}
.service-img {
  position: relative;
  padding-bottom: 60%;
  background-size: cover;
  background-position: center;
}
.service-img:after {
  content: "";
  position: absolute;
  bottom: 0;
  width: 100%;
  height: 100%;
  background: #FFF;
  -moz-transition: height 0.6s;
  -o-transition: height 0.6s;
  -webkit-transition: height 0.6s;
  transition: height 0.6s;
}
.show .service-img:after {
  height: 0;
}
.service-content {
  position: relative;
  padding-top: 80px;
  box-sizing: border-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: flex-end;
  align-items: flex-end;
}
.service-step {
  position: absolute;
  top: 0;
  right: 20px;
  color: #eee;
  font-size: 3em;
  opacity: 0;
  -moz-transition: opacity 0.6s, right 0.6s;
  -o-transition: opacity 0.6s, right 0.6s;
  -webkit-transition: opacity 0.6s, right 0.6s;
  transition: opacity 0.6s, right 0.6s;
}
.show .service-step {
  right: 0;
  opacity: 1;
}
.service-subtitle {
  position: absolute;
  top: 30px;
  right: 55px;
  left: 0px;
  color: #000;
  background: #FFF;
  display: -ms-flexbox;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  white-space: nowrap;
  opacity: 0;
  -moz-transition: opacity 0.6s, right 0.6s;
  -o-transition: opacity 0.6s, right 0.6s;
  -webkit-transition: opacity 0.6s, right 0.6s;
  transition: opacity 0.6s, right 0.6s;
}
.show .service-subtitle {
  right: 35px;
  opacity: 1;
}
.service-subtitle:before {
  content: "";
  display: block;
  height: 1px;
  width: 100%;
  margin-right: 100%;
  background: #cbc6b2;
  -moz-transition: margin 0.6s;
  -o-transition: margin 0.6s;
  -webkit-transition: margin 0.6s;
  transition: margin 0.6s;
}
.show .service-subtitle:before {
  margin-right: 10px;
}
.service-text li {
  margin-bottom: 5px;
  list-style-type: disc;
  margin-left: 20px;
}
.service-text li.remark {
  list-style-type: none;
  font-size: 0.75rem;
}

@media screen and (max-width: 1100px) {
  .service-wrap {
    margin-bottom: 160px;
  }
  .service-list {
    margin: -2%;
  }
}
@media screen and (max-width: 800px) {
  .service-list {
    display: block;
    margin: 0;
  }
  .service-item {
    width: auto;
    margin: 40px 0;
  }
  .service-item:last-child {
    margin-bottom: 0;
  }
}
@media screen and (max-width: 640px) {
  .service-wrap {
    margin: 0 20px 160px;
  }
}