/* スライドインメニューに必要なところ */

body {
	position: relative;
	right: 0;
	overflow-x: hidden;
}
/* 下に移動

#slide_menu{
	position: fixed;
	top: 0;
	right: -240px;
	width: 240px;
	height: 100%;
    background: url(../images/bg_nav.png) 
		0px 0px 
		repeat-y;
} */

@media only screen and (max-width: 640px) {
	
	#slide_menu li{
	background: url(../images/bg_nav.png) 
		0px 0px 
		repeat-y;
}
	
}

@media only screen and (min-width: 641px)  and (max-width: 1024px) {

#slide_menu li{
	background: url(../images/bg_nav.png) 
		0px 0px 
		repeat-y;
}

}


@media only screen and (max-width: 1024px) {

#slide_menu{
	position: fixed;
	top: 0;
	right: -240px;
	width: 240px;
	height: 100%;
    background: url(../images/bg_nav.png) 
		0px 0px 
		repeat-y;
}

/* 以下装飾など */

#slide_menu ul{
    padding: 0;
    margin: 0;
	background: #ffe1cd;
}
#slide_menu li + li{
    border-top: solid 1px #f39191; 
}
#slide_menu li{
   border-bottom: solid 1px #d56767; 
    list-style: none;
}
#slide_menu li a{
    display: block;
    padding: 20px;
    color: #fff;
    text-decoration: none;
}


.container{
    margin: 0 auto;
    width: 750px;
}
.container h1{
    padding-left: 90px;
}
.content h2{
    margin: 60px 0 20px;
    font-size: 26px;
    color: #666;
}
.content p{
    float: left;
    margin: 0 0 10px;
    line-height: 1.3;
}
.content img{
    display: block;
    margin: 0 auto 15px;
    width: 450px;
    border: solid 15px #fff;
    box-shadow: 0 1px 8px #ccc;
}

/* ボタン */
#button{
    position: absolute;
    top: 10px;
	right: 0px;
    width: 50px;
    height: 50px;
    outline: none;
	background: none;
    border: none;
    color: #fff;
    font-size: 20px;
    cursor: pointer;
}
#button:before {
  content: "";
  position: absolute;
  top: 0px;
  right: 10px;
  border-bottom: 17px double #333;
  border-top: 6px solid #333;
  width: 30px;
  height: 5px;
}


} <!-- 1024px -->