/*html {
    position:absolute;
    background: url(../images/design.png) center top no-repeat;
    background-size: 100%;
    width: 1600px;
    margin: auto;
    left:0;
    right: 0;
    height: 6630px;
    
    opacity: 0.5;
    z-index: -1;
}
body {
    position: relative;
    z-index: 1;
}*/

nav {
	position: absolute;
	/* top: 850px; */
}


#mainvisual{
	height: 880px;
	background-color: unset;
	background-image: unset;
}
.mainvisual_wrap{
	height: 880px;
}

@media screen and (max-width:640px) {
	
#wrapper, html, body, #main{
	min-height:500px;
}

.mainvisual_wrap{
	height: 360px;
}

#main,
#main .inner{
	width:100%;
	min-width:100%;
}
#main{
	background-size: auto 100% !important; 
}
#main h1, #main h1 img {
width: 168px;
height: 102px;
}
#main h1{
	top: 144px;
	padding:0;
}
#main h2{
	top: 258px;
	padding: 0 12%;
}
	
#mainvisual{
	height:360px;
}

.top_greet .text{
	width:88%;
	padding:0 6%;
}
/*.top_greet .box{
	padding:70px 0 480px;
}*/
.top_greet_img{
	position:relative !important;
	right:0;
	top:0;
	bottom:0;
	width: 210px;
	height: auto;
	margin:0 auto 30px !important;
}
.top_greet_doctor{
	float:none;
	margin-bottom:20px;
}
.top_greet_doctor dd span{
	margin-right:0;
}
.top_greet .btn01{
	float:none;
	margin:auto;
}

	#container {
		padding-top: 0;
		padding-bottom: 60px;
	}
}