.container{
  display: table-cell;
  vertical-align: middle;
  text-align: center;
  height: 100%;
  width: 100%;
  margin: 0 auto;
  display: block;
  margin-top: 60px;
}
button{
font-family: 'Noto Serif JP', serif;
  display: inline-block;
  position: relative;
  background: none;
  border: none;
  color:rgb(255, 255, 255);
  cursor: pointer;
  margin: 20px 20px;
  background-image: url("無題.png");
  background-size:cover;
  width: 360px;
  height: 120px;
}
.container a{
    color: pink;
    text-decoration: none;
}
.container a:hover{
    color:black;

}
.container span{
    width: 360px;
    height: 120px;
  display: block;
  line-height:40px;
  font-size: 40px;
  text-align:center
}
button:hover {
    cursor: pointer;
}
button:hover {
    background-image:url("本棚.png");
    background-size: cover;
}
.btn-2,.btn-6,.btn-8,.btn-10{
    background-image: url("無題2.png");
}
.btn-2:hover,.btn-6:hover,.btn-8:hover{
    background-image: url("本.png");
}
.btn-3{
    background-image: url("umiakone1.jpg");
}
.btn-3:hover{
    background-image: url("umiakone2.jpg");
}
.btn-4{
    background-image: url("しまち1.jpg");
}
.btn-4:hover{
    background-image: url("しまち2.jpg");
}
.btn-5{
    background-image: url("ダァト1.jpg");
}
.btn-5:hover{
    background-image: url("ダァト2.jpg");
}
.btn-7{
    background-image: url("本ノ虫1.jpeg");
}
.btn-7:hover{
    background-image: url("本ノ虫2.jpg");
}
.btn-9{
    background-image: url("U41.jpg");
}
.btn-9:hover{
    background-image: url("U42.jpg");
}


html,body{
    overflow-x: hidden;
    height: 100%;
}
    body {
        background: rgba(255, 255, 255, 0.699);
        padding: 0;
        margin: 0;
        font-family: 'Sawarabi Mincho', sans-serif;
        animation: fadeIn 2s ease 0s 1 normal;
        -webkit-animation: fadeIn 2s ease 0s 1 normal;
    }
    .header {
        text-align: center;
        font-size: 4em;
        color: rgb(187, 49, 25);
        font-family: 'Nanum Pen Script', cursive;
        display: block;
        margin: 0 auto;
        width: 100%;
        max-width: 100%;
        box-shadow: none;
        background-color: rgba(255, 255, 255, 0.637);
        position: fixed;
        height: 60px!important;
        overflow: hidden;
        z-index: 10;
    }
    #logo{
    width:220px!important;
        height: 60px!important;
    }
    .title{
        font-size: 2em;
        background-color: white;
        color: rgb(136, 86, 105);
        font-family: 'Noto Serif JP', serif;
        float: inline-start ;
        text-align: center;
        width:100%;
    
    }
    .mainInner{
        display: table;
        height: 100%;
        width: 100%;
        text-align: center;
        margin-top: 60px;
    }
    #sidebarMenu {
        height: 100%;
        position: fixed;
        font-family: 'Sawarabi Mincho', sans-serif;
        left: 0;
        width: 250px;
        margin-top: 60px;
        transform: translateX(-250px);
        transition: transform 250ms ease-in-out;
        background: rgba(228, 228, 228, 0.89);
        z-index: 10;
    }
    .sidebarMenuInner{
        margin:0;
        padding:0;
    }
    .sidebarMenuInner li{
        list-style: none;
        color:black;
        text-transform: uppercase;
        font-weight: bold;
        padding: 20px;
        -webkit-box-sizing: border-box;
        -moz-box-sizing: border-box;
        -webkit-user-select: none;
        cursor: default;
    }
    .sidebarMenuInner li:hover {
        cursor: pointer;
    }
    .sidebarMenuInner li:hover {
        color: #ffffff;
        background-color: #dd7878c0;
    }
    .sidebarMenuInner .o{
        background-color: rgba(22, 22, 22, 0.096);
    }
    .sidebarMenuInner .i{
        background-color: rgba(199, 199, 199, 0.096);
    }
    .sidebarMenuInner li span{
        display: block;
        font-size: 14px;
        color: rgb(100, 100, 100);
    }
    .sidebarMenuInner li a{
        color:rgb(0, 0, 0);
        text-transform: uppercase;
        font-weight: bold;
        cursor: pointer;
        text-decoration: none;
    }
    input[type="checkbox"]:checked ~ #sidebarMenu {
        transform: translateX(0);
    }
    
    input[type=checkbox] {
        transition: all 0.3s;
        box-sizing: border-box;
        display: none;
    }
    .sidebarIconToggle {
        transition: all 0.3s;
        box-sizing: border-box;
        cursor: pointer;
        position: absolute;
        z-index: 99;
        height: 100%;
        width: 100%;
        top: 22px;
        left: 15px;
        height: 22px;
        width: 22px;
    }
    .spinner {
        transition: all 0.3s;
        box-sizing: border-box;
        position: absolute;
        height: 3px;
        width: 100%;
        background-color: rgb(53, 53, 53);
    }
    .horizontal {
        transition: all 0.3s;
        box-sizing: border-box;
        position: relative;
        float: left;
        margin-top: 3px;
    }
    .diagonal.part-1 {
        position: relative;
        transition: all 0.3s;
        box-sizing: border-box;
        float: left;
    }
    .diagonal.part-2 {
        transition: all 0.3s;
        box-sizing: border-box;
        position: relative;
        float: left;
        margin-top: 3px;
    }
    input[type=checkbox]:checked ~ .sidebarIconToggle > .horizontal {
        transition: all 0.3s;
        box-sizing: border-box;
        opacity: 0;
    }
    input[type=checkbox]:checked ~ .sidebarIconToggle > .diagonal.part-1 {
        transition: all 0.3s;
        box-sizing: border-box;
        transform: rotate(135deg);
        margin-top: 8px;
    }
    input[type=checkbox]:checked ~ .sidebarIconToggle > .diagonal.part-2 {
        transition: all 0.3s;
        box-sizing: border-box;
        transform: rotate(-135deg);
        margin-top: -9px;
    }