/*トップに戻るボタン------------------------*/

#page-top {
	position: fixed;
	bottom: 20px;
	right: 20px;
	font-size: 50%;
	clear: left;
}
#page-top a {
	text-decoration: none;
	color: #FFF;
	width: 50px;
	text-align: center;
	display: block;
	border-radius: 5px;
	background-color: #223035;
	padding-top: 10px;
	padding-bottom: 10px;
}
#page-top a:hover {
	text-decoration: none;
	background-color: #45616B;
}

#menu div {
  position: relative;
}

/* index ------------------------------- */

.bit_index_1 {
	float: left;
	background-color: #FEFBF9;
	padding: 30px;
	width: 100%;
	box-sizing: border-box;
	border-right-width: 1px;
	border-bottom-width: 1px;
	border-right-style: solid;
	border-bottom-style: solid;
	border-right-color: #BEBCBA;
	border-bottom-color: #BEBCBA;
}

.parts_head {
	clear: left;
	font-size: 14px;
	background-color: #228C00;
	color: #FFF;
	border-radius: 5px 5px 0px 0px;
	-moz-border-radius: 5px 5px 0px 0px;
	-webkit-border-radius: 5px 5px 0px 0px;
	padding-top: 15px;
	padding-right: 15px;
	padding-bottom: 10px;
	padding-left: 15px;
}

.parts_main {
	clear: left;
	font-size: 13px;
	background-color: #FFFFFF;
	padding-top: 15px;
	padding-right: 15px;
	padding-bottom: 25px;
	padding-left: 15px;
	border-radius: 0px 0px 5px 5px;
	-moz-border-radius: 0px 0px 5px 5px;
	-webkit-border-radius: 0px 0px 5px 5px;
}


.back_01 {
	width: 100%;
	background-color: #FFF1EA;
	overflow: auto;
	box-sizing: border-box;
	background-image: url(../images/back_01.jpg);
	background-repeat: repeat-x;
}

.back_02 {
	width: 100%;
	background-color: #EEEEEE;
	overflow: auto;
	box-sizing: border-box;
	background-image: url(../images/back_02.jpg);
	background-repeat: no-repeat;
}

.back_03 {
	width: 100%;
	background-color: #CCCCCC;
	overflow: auto;
	box-sizing: border-box;
	background-image: url(../images/back_03.jpg);
	background-repeat: no-repeat;
}

.back_04 {
	width: 100%;
	background-color: #E85400;
	overflow: auto;
	box-sizing: border-box;
}

/* contact ------------------------------- */

.column_bit_contact {
	float: left;
	width: 60%;
	padding: 40px;
	margin-right: 20%;
	margin-left: 20%;
	box-sizing: border-box;
	overflow: auto;
	background-color: #FFF;
	
}

@media only screen and (max-width: 1280px) {

.column_bit_contact {
	float: left;
	width: 90%;
	padding: 20px;
	margin-right: 5%;
	margin-left: 5%;
}

}