main{
    background-image:url(../images/karatsu-LP-taiwan_bg.png);
    background-position: top;
    background-repeat: repeat-y;
    background-size: contain;
    max-width: 1200px;
    margin: 0 auto;
    padding-bottom: 50px;
}
img{
    vertical-align: bottom;
}
.btnArea {
    max-width: 700px;
    margin: 0 auto;
    padding: 0 30px;
}
.btnArea a:hover {
    opacity: 0.5;
}