*{
    margin: 0;
    padding: 0;
}
main{
    text-align: center;
}
img.icon{
    width: 200px;
    border-radius: 100%;
    padding: 10px;
}
h1.title{
    padding: 10px;
}
header{
    background-color: rgb(160, 194, 38);
    position: sticky;
    top: 0;
    height: fit-content;
    box-shadow: 0px 17px 26px 0px #456550;
    width: 100%;
    display:flex;
    align-items: center;
    justify-content:space-between;
}
a.create_link{
    text-decoration: none;
    display: inline-block;
    width: 250px;
    border-radius: 100px;
}
p{
    color: #000;
}
div.create{
    background-color: rgb(214, 214, 214);
    width: 250px;
    height: 300px;
    border-radius: 100px;
    margin: 0 auto;
    box-shadow: 0px 17px 26px -5px #456550;
}
h2.back_home{
    color: #000;
}
ul{
    display:flex;
    list-style:none;
}
li{
    margin-left:40px;
}
a.menu{
    text-decoration:none;
    color:#333;
}
nav{
    padding: 20px;
}
a:hover{
    opacity:0.5;
    text-decoration: underline;
}
div.shokai{
    display:flex;
    width: 100%;
    justify-content: center;
}
iframe{
    height: 600px;
}
a{
    text-decoration: none;
}
.linestamp{
    background-color: #17196b;
    color: aliceblue;
    border-radius: 50px;
}
.nico_3d{
    background-color: #256b17;
    color: aliceblue;
    border-radius: 50px;
}
img.left{
    height: fit-content;
}