body{margin: calc(50% - 50vw);}

.container{
    padding-top: 100px;
    display :flex ;
    flex-direction: column;
    justify-content:center;
}

.releasenote{
    display:inline-block;
    opacity: 0;
    transition: 1s ease-in;
    width:auto;height:auto;
    display :flex ;
    align-items: center;
    transition: 1s ease-in;
    padding:5vw 0 7.5vw 0;
    margin: 0 5vw;
    border-bottom: solid #d4cac0 1px;
}

.releasenote-left{
    text-align: center;
    width:20vw;height:auto;
    position:relative;
    margin:0 5vw 0 0;
}

.releasenote-right{
    width:65vw;height:auto;
    position: relative;
    right:0;
}

section{color: #666666;}

.heading{
    width:auto;margin:0px 15% 80px 15%;
    border-radius: 50px;
}

h1{ color: #666666;
    text-align: center;
    font-family : 'ヒラギノ丸ゴ ProN W4';
    font-size: min(5vw,3rem);
    text-decoration: none;
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

h2{ color: #666666;
    text-align: left;
    font-family : 'ヒラギノ丸ゴ ProN W4';
    font-size: min(4vw,2rem);
    font-style: normal;
    font-weight: 400;
    line-height: normal;
}

h3{ color: #666666;
    display:inline-block;
    text-align: left;
    font-family : 'ヒラギノ丸ゴ ProN W4';
    font-size: min(4vw,2rem);
    font-style: normal;
    font-weight: 400;
    line-height: normal;
    border-bottom:dotted;
}