@charset "utf-8";
#main-visual {
 width: 100%;
 position: relative;
}
#main-visual h1 {
 width: 96%;
 font-size: 5.8vw;
 text-align: center;
 position: absolute;
 top: 40%;
 left: 2%;
}
.test_b picture img {
 width: 100%;
}
.read-campaign-btn {
 width: calc(100% / 1.1);
 display: block;
 position: absolute;
 top: 60%;
 left: 4.3%;
 transition: all .3s ease-in-out;
}
.read-campaign-btn:hover {
 opacity: .6;
}
@media screen and (min-width:801px){
 #main-visual h1 {
  width: calc(100% / 4.5);
  font-size: 2.4vw;
  text-align: center;
  position: absolute;
  top: 4%;
  left: 12%;
 }
 .read-campaign-btn {
  width: calc(100% / 2.8);
  max-width: 780px;
  top: 54%;
  left: 3%;
 }
}
@media screen and (min-width:1890px){
 #main-visual h1 {
  font-size: 2.8rem;
 }
}