.header_back {
  background: url(../images/main_back_gk.png) center top / cover no-repeat
    transparent;
}

.box27 {
  background: url(../images/USP_back_gk.png) center top / cover no-repeat
    transparent;
}

.header_inner {
  padding: 90px 0px 0px;
}

.backcolor3 {
  background: #f3f7f8 url(../images/bg_diagonal.webp) repeat;
}

@media screen and (max-width: 769px) {
  .header_inner {
    padding: 0px 0px 0px;
  }
}

section#nayami > div {
  width: 100%;
}
.onaymi_area {
  margin: 0 auto;
  padding-left: 80px;
  flex-wrap: wrap;
  /* width: 750px; */
}

@media screen and (max-width: 769px) {
  .onaymi_area {
    padding-left: 0;
  }
}

.onayami_box {
  margin: 0 0;
  width: 30%;
}

#nayami .contents_title {
  color: rgb(77, 77, 77);
  background-color: unset;
  font-weight: bold;
  padding: 75px 0 0;
}

@media screen and (max-width: 769px) {
  #nayami .contents_title {
    font-size: 1.8rem;
    padding: 40px 0 0;
  }

  .onayami_box {
    width: 50%;
  }
}