header h1{
    text-align: center;
    font-family: 'Pathway Gothic One', sans-serif;
    font-weight: 900;
    letter-spacing: 0.5em;
    line-height: 100vh;
    width: 100%;
    animation: mainv 5s;
    transform-origin: left;
    background-image: url(../img/main_bg_sky.gif);
    background-repeat: no-repeat;
    -webkit-background-size: cover;
    background-size: cover;
    margin: 0;
}
header h1 span{
    color: #ccc;
    display: block;
    position: absolute;
    width: 100%;
    margin-top: -3em;
    font-size: 0.5em;
}
header h1::after{
    color: #ccc;
    content: "scroll";
    font-size: 0.5em;
    display: block;
    position: absolute;
    bottom: 2%;
    width: 100%;
    line-height: 1;
    letter-spacing: 0.1em;
}
@keyframes mainv {
    0%{
        opacity: 0;
        letter-spacing: -1em;
    }
    10%{
        letter-spacing: -1em;
    }
    25%{
        opacity: 0;
        letter-spacing: 0em;
    }
    40%{
        opacity: 1;
        letter-spacing: 0.5em;
    }
}
h2{
    font-family: 'Pathway Gothic One', sans-serif;
    color: #555;
    font-size: 2em;
    font-weight: normal;
    line-height: 1.5;
    letter-spacing: 0.1em;
    margin-bottom: 50px;
}

h3{
    font-family: 'Pathway Gothic One', sans-serif;
    color: #aaa;
    font-size: 11px;
    font-weight: normal;
    line-height: 1;
    margin-bottom: 0;
    padding-bottom: 8px;
}
section{
    padding-bottom: 50px;
}

section section p{
    margin-bottom: 0;
}
#contents:before{
    content: " ";
    background-size: 713px;
    position: absolute;
    top: -200px;
    left: 0;
    width:100%;
    height: 201px;
    margin: 0 auto;
}
#contents{
    position: relative;
    padding-top: 0;
    background: #fff;
}

@media(max-width:767px){
    header h1{
        font-size: 5vw;
    }
    #contents:before{
        top: -170px;
        height: 170px;
    }
}