.introduce-wrap {
  padding: 70px 0 55px;
  background: url(/images/tissue_bg_1.png) no-repeat center;
  background-size: cover;
}
.introduce-wrap .rw {
  display: flex;
  align-items: center;
}
.introduce-wrap h2 {
  font-size: 30px;
  font-weight: 400;
  color: #000000;
  margin: unset;
}
.introduce-wrap img {
  max-width: 80%;
  width: 640px;
  display: block;
  margin: 60px auto 0;
}


.vi-wrap {
  padding: 55px 0;
  background: url("/images/temp/banner2.png") no-repeat center;
  background-size: cover;
}
.vi-wrap .container .wrap {
  display: flex;
  justify-content: space-around;
}
.vi-wrap .container img {
  width: calc(50% - 10px);
  display: block;
  max-width: 80%;
  object-fit: contain;
}
.vi-wrap .container img + img {
  margin-left: 20px;
}

@media screen and (max-width: 640px) {
  .introduce-wrap {
    padding: 30px 0;
  }
  .introduce-wrap h2 {
    font-size: 18px;
  }
  .introduce-wrap img {
    margin: 30px auto 0;
    max-width: 100%;
  }
  .vi-wrap {
    padding: 30px 0;
  }
  .vi-wrap .container img {
    width: 45%;
  }
}