/*
  本文　　　　　font-family: 'BIZ UDPMincho', serif;
  ロゴfrontONE font-family: 'Dela Gothic One', cursive;
  行書体　　　　font-family: 'Yuji Syuku', serif;
　ロゴ有限会社　font-family: 'Mochiy Pop One', sans-serif;
*/
:root{
  --background: #d7effa;
  --navmain: #3bbcf7;
  --navsub: ##a8e4f7;
  --lightshadow: #c7c7c7;
  --section: ;
  --github: ;
}

html {
  background-color: #d7effa;
  height: 100%;
  color: #00283d;
  font-size: 27px;
}

body {
  height: 100%;
  margin: 0;
}

nav {
  z-index: 1000;
  background-color: #ffffff;
  padding-top: 0px;
  width: 100%;
  margin: 0px;
  font-size: 20px;
  position: fixed;
  top:0;
  left:0;
}

nav ul {
  margin-top: 0px;
  margin-bottom: 0px;
  text-align: center;
}

nav li {
  background-color: #3bbcf7;
  display: inline-block;
  margin: 0px;
  border: #fff 2px solid;
  box-shadow: 1px 1px 1px #000000;
  border-radius: 10px;
  padding-right: 60px;
  padding-left: 60px;
}

nav a {
  color: #ffffff;
  text-decoration: none;
}
nav li:hover {
  background-color: #a8e4f7;
  box-shadow: 1px 1px 1px #c7c7c7;
  color: #949cf0;
}
nav a:hover {
  color: #949cf0;
}
h1{

}
h2{
  text-align: center;
  font-size: 50px;
}
h3{
  text-align: center;
}
h4 {
  text-align: center;
  font-size:70px;
  margin-top: 310px;
  margin-bottom: 50px;
  color: #ffffff;
}
h5 {
  text-align: center;
  font-size: 30px;
  margin-bottom: 50px;
  color: #ffffff;
}
#top{
  background-image: url("../img/top.png");
  background-size: cover;
  background-position: center;
  height: auto;
  color: #ffffff;
  padding: 30px;
  padding-left: 20%;
  padding-right: 20%;
  border-top: solid 5px #000;
}

#what div p{
  text-align:center;
  line-height: 400%;
}
#what div p b{
  font-size: 125%;
}
#game div p{
  text-align: cener;
}

.top-div{
  width: 100%;
  padding-top: 4%;
  height: auto;
}

section{
  color: #505050;
  padding: 30px;
  padding-left: 20%;
  padding-right: 20%;
}

.aireturn{
  background-color: rgba(255,255,255,0.7) !important;
  font-size: 20px;
  padding-top: 10px;
  padding-bottom: 10px;
  padding-left: 20px;
  padding-right: 20px;
  border-radius: 30px;
}
footer{
  text-align: center;
  font-size: 15px;
}

.download{
  background-color: #3bbcf7;
  padding-top: 10px;
  padding-left: 20px;
  padding-right: 20px;
  padding-bottom: 10px;
  width: 500px;
  height: auto;
  color: white;
  border-radius: 20px;
  border-color: white solid 8px;
  text-decoration: none;
}
.download:hover{
  background-color: #a8e4f7;
}

#github{
  text-align: center;
  background-color: #4d5354;
  color: white;
}
#github a{
  color: lightblue;
}

#game{
    text-align: center ;
}


@media only screen and (max-width: 1000px) /*smartphone*/
{
  .big{
    width: 660px;
    height: 400px;
  }
  section{
    padding-left: 7% !important;
    padding-right: 7% !important;
  }
}