.sec_block {
  margin-top: 80px;
}
.image_col {
  width: auto;
}
.image_col._02 {
  width: 240px;
  text-align: center;
}
.use_image{
  height: 144px;
}

@media screen and (min-width:641px){
  .mLImg40 {
    margin-left: 40px;
  }
}
@media screen and (max-width:640.999px){
  .sec_block {
    margin-top: 55px;
  }
  .image_col._02 {
    width: 49%;
    text-align: center;
  }
  .image_col {
    width: 33%;
  }
  .spW70 {
    width: 70%;
    margin: 0 auto;
  }
  .mLImg40 {
    margin-left: 30px;
  }
  .mR10 {
    margin-right: 10px !important;
  }
  .use_image{
  height:auto;
}
}