.img_wrap_pc{
  border: 0px solid #ddd;
  height: 55px;
  margin: 0 auto;
  overflow: hidden;
}
.img_wrap_pc img{
  width: 100%;
  cursor: pointer;
  transition-duration: 0.3s;
}
.img_wrap_pc:hover img{
  opacity: 0.4;
  transition-duration: 0.3s;
}

.img_wrap_sp{
 border: 0px solid #ddd;
 width: 100%;
 margin: 0 auto;
 overflow: hidden;
}
.img_wrap_sp img{
  width: 100%;
  cursor: pointer;
  transition-duration: 0.3s;
}