*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    line-height: 1.6;
    font-size: 13px;
    color: #595757;
}
.content{
    max-width: 700px;
    min-height: calc(100vh - 28px);
    margin: 0 auto;
    padding: 0 16px;
}
.header{
    padding: 40px 0;
}
.footer{
    padding: 6px;
    text-align: center;
    font-size: 10px;
    color: #fff;
    background: #0069ac;
}
.copyright .small{
    font-size: 12px;
}
.mb-16{margin-bottom: 16px;}
.mb-32{margin-bottom: 32px;}
.mt-15{margin-top: 15px;}

@media screen and (min-width: 768px){
    .is-sp{
        display: none !important;
    }
}

@media screen and (max-width: 767px){
    .content {
        min-height: calc(100vh - 44px);
    }
}