@media screen and (max-width: 479px){

* {
    box-sizing: border-box;
    margin:0 auto;
    
}
/* html{
    width: 768px;
    height:1024px ;
    margin:0 auto;

} */

header{
    position:fixed;
    display:block;
    width:100%;
    height:50px;
    z-index: 30;
    opacity: 0.9;
    background-color: rgb(255, 255, 255);
    border-bottom: rgb(38, 74, 218);
    border-bottom-style: solid;
}

header a .img{
    /* position: relative; */
    position:fixed;
    /* width:15%; */
    width: 100px;
    height: auto;
    margin-top:10px;
    margin-left:15px;

}

main{
    display: block;
    width: 100%;
    height: 90vh;
    margin-top:18%;
    z-index: 10;
    /* margin: 0 auto; */
}
/* hr{
    color: rgb(4, 4, 193);
    height: 10px;
} */

.container{
    position: relative;
    display:block;
    width: 100%;
    /* height: 680px; */
    margin:0 auto;
    overflow: hidden;

}

.container img {
    width:90%;
    margin-right: 5%;
    margin-left: 5%;
    text-align: center;
}




/* .slideshow{
    position: absolute;
    width: 100%;
    height:auto;
    
    margin:0 auto;

} */


/* JavaScript　無効時　*/
/* .no-js .slideshow img:first-child {
    display:inline;
    
} */

.aud{
    display: block;
    width:100%;
    height: auto;
    margin:0 auto;
}

.aud audio{
    display: block;
    width:70%;
    height: 30px;
    margin-top:10%;
    margin-right: auto;
    margin-left: auto;
    text-align: center;
}
.aud p{
    display: block;
    width:30%;
    margin-right: auto;
    margin-left: auto;
    text-align: center;

}




.aud button{
    display: block;
    color: rgb(255, 255, 255);
    background-color:rgb(38, 74, 218) ;
    border: none;
    margin-top:50px;
    font-size: 20px;
    margin-right: auto;
    margin-left: auto;
    text-align: center;

}

}