#reform section.reform_top figure div {
  position: relative;
}
#reform section.reform_top figure div::before {
  content: "";
  width: 120px;
  height: 120px;
  position: absolute;
  bottom: 0;
  left: -130px;
  background: url("../images/reform/exterior/fence/fence_sub2.jpg") no-repeat top left/cover;
}
#reform section.list a:first-child {
  position: relative;
}
#reform section.list a:first-child::before {
  content: "";
  width: 160px;
  height: 160px;
  position: absolute;
  bottom: 0;
  left: -170px;
  background: url("../images/reform/exterior/fence/fence_sub.png") no-repeat top left/cover;
}

@media only screen and (max-width: 768px) {
  #reform section.reform_top figure div {
    width: 100%;
    max-width: 100%;
    text-align: right;
  }
  #reform section.reform_top figure div img {
    width: 75%;
  }
  #reform section.reform_top figure div::before {
    left: 0;
    width: 20vw;
    height: 20vw;
  }
  #reform section.list a:first-child::before {
    width: 20vw;
    height: 20vw;
    left: 0;
    z-index: 1;
  }
}