@charset "utf-8";

html{
    scroll-behavior: smooth;
}

body{
    margin :0 ;
    padding:0 ;
    background-color: #ffffff;
}

.wrap{
    background-color: #ffffff;
    width: 100%;
    height: 100%;
}

main{
    width: 100%;
    text-align: center;
    margin: 0 auto;
}



.top_img{
    width: 100%;
    height:0;
    padding-bottom: 800%; /* topとアコーディオンボタンの間の隙間 */
    background-image: url(img/top.png);
    background-repeat: no-repeat;
    background-position: top;
    background-size: 100%;
}

.btn1 {height: auto;
    width: 100%;
    position: absolute;
    top: 10vw;
    left:50%;
    transform: translate(-50%,1880%);
}

.btn2 {height: auto;
    width: 80%;
    position: absolute;
    top: 10vw;
    left:50%;
    transform: translate(-50%,3050%);
}

.video{
    margin: 0px auto 0 auto;
    position: relative;
    width: 70%;/* 動画の横 */
    height: 0;
    padding-top:43%;/* 動画自体の高さ(上下黒の余白) */
    text-align: center;
}

.video iframe{
    position: absolute;
    margin-top: 657%;/* 動画の上下位置 */
    left: 0;
    width: 100%;
    height: 100%;
}