@charset "UTF-8";
.hero {
  background-color: none;
  background-image: url(../img/main.jpg);
  background-size: 1140px 600px;
  background-repeat: no-repeat, repeat-x;
  background-position: center bottom;
}

@media screen and (max-width: 800px){
  .hero {
    background-image: url(../img/main_sp.jpg);
    background-size: contain;
  }

  .heroImg_img {
    width: 100%;
  }
}

.h3Collabo_img {
  margin: 8% auto 0;
}  

.table-collabo_prize th:nth-child(2) { width: 6em; }
.table-collabo_prize td:nth-child(1) { text-align: left; }

.table-collabo_login th:nth-child(1) { width: 13em; }
.table-collabo_login td:nth-child(2) { text-align: left; }

.contents .listEX {
  font-size: 18px;
  font-size: 1.8rem;
}

@media screen and (max-width: 640px) {
  .contents .listEX {
    font-size: 14px;
    font-size: 1.4rem;
  }
}

@media screen and (max-width: 360px) {
  .contents .listEX {
    font-size: 12px;
    font-size: 1.2rem;
  }
}

.step {
  margin-bottom: 3%;
}

.step dt {
  margin: 3% auto 0;
}