body{
    height: 100%;
    margin: 0 auto;
    min-height: 100vh;
    position: relative; /*相対位置*/
    padding-bottom: 100px; /*footerの高さ*/
    box-sizing: border-box; /*全て含めてmin-height*/
}
.bgcolor{
    background: #0063B1;
}
iframe{
    width: 100%;
    height: 70px;
    border: none;
} header iframe {
    position: fixed;
    top: 0;
    border-bottom:solid thin white;
    box-shadow:rgba(122, 122, 122, 0.5) 0px 0px 6px 3px;
} footer iframe {
    position: absolute;
    bottom: 0px;
}
.wrapper{
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 100px 25px;
}
.title {
    color: #0063B1;
    font-size: xx-large;
    font-weight: bold;
    text-align: center;
    margin: auto;
} 
.sub{
    display: block;
    max-width : 1280px;
    margin: 25px auto;
    background-color: #0063B1;
    color: white;
    text-align: center;
    padding: 10px;
    border-radius: 100vh;
}
.pic{
    background-color: whitesmoke;
    border-radius: 25px;
}
.container{
    display: flex;
    justify-content: space-around;
    margin: 0 auto;
    overflow-x: auto;
}.container p{
    margin: 20px;
}.container img{
    width: auto;
    white-space: nowrap;
}

#page_top{
    position: fixed;
    right: 25px;
    bottom: 25px;
    z-index: 1;
    opacity: 0.5;
    }
    #page_top:hover{
    opacity: 1;
    }
    #page_top a{
    text-decoration: none;
    }
    #page_top a::before{
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    content: '\f139';
    font-size: 50px;
    color: #3fefee;
    text-align: center;
}