@charset "UTF-8";

.site_frame {
    margin: 0 auto;
    max-width: 1800px;
    display: flex;
}
.btn-block {
    position: absolute;
    left: 0;
    top: 82%;
    text-align: center;
    width: 100%;
}
.site_frame .g-column {
    position: relative;
	overflow: hidden;
}
.site_frame .g-column img {
	transition: all 0.5s ease 0s;
	-webkit-transition: all 0.5s ease 0s;
	-moz-transition: all 0.5s ease 0s;
}
.site_frame .g-column img:hover {
	transform: scale(1.02);
}

@media screen and (min-width:1300px) {
    .site_frame {
        max-width: 3600px;
    }
}
@media only screen and (max-width:640px) {
    .site_frame {
        width: 100%;
        margin: 0;
        display: block;
    }
    .site_frame .btn-block {
        width: 100%;
        height: 100%;
        position: absolute;
        top: 0;
        left: 0;
    }
    .site_frame .btn-block .btn {
        display: block;
        width: 100%;
        height: 100%;
        opacity: 0; 
    }
}