#header {
  position: relative;
  z-index: 99;
}
#header .header .header_inner .header_logo {
  width: 280px;
  padding: 20px;
  background-color: #FFFFFF;
  position: absolute;
  left: 0;
  top: 0;
}

#thankspage #header {
  position: relative;
  z-index: 99;
}
#thankspage #header .header {
  background: url(../img/mv-bg.jpg) no-repeat center top/cover;
}
#thankspage #header .header .header_inner .header_logo {
  width: 280px;
  padding: 20px;
  background-color: #FFFFFF;
  position: relative;
  left: 0;
  top: 0;
}
@media screen and (max-width: 768px) {
  #header .header .header_inner .header_logo {
    width: 200px;
  }
  #thankspage #header .header .header_inner .header_logo {
    width: 200px;
  }
}