html{
    font-size: 14px; 
    box-sizing: border-box;
}
body{
    margin:0;
    padding:12px;
    box-sizing: border-box;
    font-family: "メイリオ", "Meiryo","游ゴシック","ヒラギノ角ゴ Pro",sans-serif;
    box-sizing: border-box;
    overflow:hidden;
}

#contents {
    width: 100%;
    text-align: center;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    border: 0;
    margin-top: 18px;
}
#contents img.logo{
    width: 12%;
    min-width: 100px;
    max-width: 130px;
}
.header{
    margin: auto;
    margin-top: 18px;
    width: 85%;
}
.header h2{
    margin: 0;
    margin-bottom: 18px;
    padding: 0;
    border: 0;
    font-size: 38px;
    line-height: 0.9;
}

#btn{
    margin-top: 18px;
    min-width: 180px;
    max-width: 250px;
    padding: 4px 8px;
    
    font-size: 28px;
    font-family: 'Ropa Sans', sans-serif;
    transition: border-color 0.2s, color 0.2s;
    transition-timing-function: cubic-bezier(0.2, 1, 0.3, 1);
}
.btn-buy{
    background: #39298C;
    color: #fff;
    border: 1px solid #555;
}
.btn-buy:hover {
    transition: 0.5s;
    background: linear-gradient(180deg, #666, #444);
    
}

#powerd{
    position: fixed;
    right: 12px;
    bottom: 12px;
}

#buy-button{
    margin-top: 18px;
    width: 180px;
    height: 48px;
    max-width:180px;
    margin: auto;
}

#balance{
    margin-top: 48px;
    font-size: 0.5em;
}
#balance span{
    font-weight: 900;
}
/* ========================================================
   loading spinner animated
   --------------------------------------------------------
   lukehaas/css-loaders
   https://github.com/lukehaas/css-loaders
*/
.loader,
.loader:after {
  background: #39298C;
  border-radius: 80%;
  width: 18px;
  height: 18px;
}
.loader {
  margin: auto;
  font-size: 10px;
  position: relative;
  text-indent: -9999em;
  border-top: 1.1em solid rgba(255, 255, 255, 0.2);
  border-right: 1.1em solid rgba(255, 255, 255, 0.2);
  border-bottom: 1.1em solid rgba(255, 255, 255, 0.2);
  border-left: 1.1em solid #ffffff;
  -webkit-transform: translateZ(0);
  -ms-transform: translateZ(0);
  transform: translateZ(0);
  -webkit-animation: load8 1s infinite linear;
  animation: load8 1s infinite linear;
}
@-webkit-keyframes load8 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
@keyframes load8 {
  0% {
    -webkit-transform: rotate(0deg);
    transform: rotate(0deg);
  }
  100% {
    -webkit-transform: rotate(360deg);
    transform: rotate(360deg);
  }
}
/* --------------------------------------------------------
*/