*{
    font-family: '游明朝','Yu Mincho',YuMincho,'Hiragino Mincho Pro',serif;
    color: #3e3e3e;
    background-color: #EFEFEF;
}
.maintext{
    width: 100%;
    height: auto;
    position: absolute;
}
img{
    width: 20%;
    height: auto;
    vertical-align: middle;
}
h1{
    font-size: 3rem;
    text-align: center;
    margin-top: 100px;
}
p{
    font-size: 1.7rem;
    text-align: center;
}
.lds-dual-ring {
    margin-left: 50%;
    margin-right: 50%;
    display: inline-block;
    width: 80px;
    height: 80px;
  }
  .lds-dual-ring:after {
    content: " ";
    display: block;
    width: 64px;
    height: 64px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #fff;
    border-color: #a1c3d7 transparent #1b3444b8 transparent;
    animation: lds-dual-ring 1.2s linear infinite;
  }
  @keyframes lds-dual-ring {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
@media (width < 600px){
img{
    width: 50%;
    height: auto;
    vertical-align: middle;
}
h1{
    font-size: 1rem;
    text-align: center;
    margin-top: 100px;
}
p{
    font-size: 0.6rem;
    text-align: center;
}
.lds-dual-ring {
    margin-left: 40%;
    margin-right: 40%;
    display: inline-block;
    width: 80px;
    height: 80px;
  }
  .lds-dual-ring:after {
    content: " ";
    display: block;
    width: 50px;
    height: 50px;
    margin: 8px;
    border-radius: 50%;
    border: 6px solid #fff;
    border-color: #a1c3d7 transparent #1b3444b8 transparent;
    animation: lds-dual-ring 1.2s linear infinite;
  }
  @keyframes lds-dual-ring {
    0% {
      transform: rotate(0deg);
    }
    100% {
      transform: rotate(360deg);
    }
  }
}