@charset "utf-8";

/*リセットCSS*/

body,div,dl,dt,dd,ul,ol,li,
h1,h2,h3,h4,h5,h6,
pre,form,fieldset,input,p,blockquote{
	margin: 0;
	padding: 0;
}

address,caption,cite,code,dfn,h1,h2,h3,h4,var{
	font-style: normal;
	font-weight: normal;
}

fieldset,img,abbr{ border: 0; }
caption,th{ text-align: left; }
q:before,q:after{ content: ''; }
img{
	border: none;
	vertical-align: bottom;
}

ol, ul, li {
	list-style: none;
}

/*ここまで*/

a:hover img {
	opacity: .7;
}

.left {
	float: left;
}

.right {
	float: right;
}

.center {
	margin: 0 auto;
}

.clear {
	clear: both;
}

a {
	color: #282828;
}

.note {
	font-size: 12px;
	text-align: center;
	line-height: 1.2;
}

body {
	width: 960px;
	background: #f2f2f4;
	color: #282828;
	margin: 0 auto;
	padding: 0;
	font-family: 'Avenir','Helvetica Neue','Helvetica','Arial','Hiragino Sans','ヒラギノ角ゴシック',YuGothic,'Yu Gothic','メイリオ', Meiryo,'ＭＳ Ｐゴシック','MS PGothic';
	font-size: 14px;
	line-height: 1.5em;
	text-align: left;
	text-decoration: none;
}

/* ヘッダー */
#header {
	background: #ffffff;
	overflow: hidden;
}

/* サイドナビ */

#sidenavi {
	margin: 40px 20px 0 0;
	float: left;
}

#sidenavi a {
	width: 220px;
	height: 48px;
	border-bottom: 2px solid #f2f2f4;
	background: url(../img/sidenavi_off.png) top left no-repeat;
	display: block;
	text-align: center;
	line-height: 1.4;
    padding-top: 12px;
	text-decoration: none;
}

#sidenavi a.one {
	line-height: 3.0;
}

#sidenavi a:hover {
	background: url(../img/sidenavi_on.png) top left no-repeat;
}

#sidenavi a.hover {
	background: url(../img/sidenavi_on.png) top left no-repeat;
}

/* コンテンツ */

#content {
	width: 680px;
	padding: 40px 20px;
	margin: 40px 0;
	overflow: hidden;
	float: left;
	background: #ffffff;
}

.layout {
	width: 680px;
	overflow: hidden;
	margin-bottom:20px;
}

.layout_l {
	float: left;
	width: 480px;
	margin-right:20px;
	overflow: hidden;
}

.layout_r {
	float: right;
	width: 180px;
	overflow: hidden;
}

.layout_r>img {
	margin-bottom: 10px;
}

h2 {
	font-size: 18px;
	font-weight: bold;
	line-height: 2.4;
	margin-bottom: 20px;
}

h2:before {
	content: " ";
    position: relative;
    display: block;
    height: 45px;
    width: 41px;
    float: left;
	margin-right: 15px;
}

h3{
	font-size: 16px;
	font-weight: bold;
	display: inline-block;
	padding-right: 10px;
	margin-bottom: 20px;
}

h3:before {
	content: "■";
	margin-right: 10px;
}

ul.list {
	margin: 0 0 20px 20px;
}

ul.list li:before {
	content: "■";
	color: #eaeaea;
	margin-right: 10px;
}

.news {
	display: block;
	width: 620px;
	overflow: hidden;
	padding: 20px;
	border: 2px solid #6bdec7;
}

dl {
	margin: 0 20px 20px;
    float: left;
    width: 180px;
}

dd {
	font-size: 12px;
	text-align: center;
}

dd.name {
	font-weight: bold;
}

.bt2 {
	margin: 20px 0;
	text-align: right;
}

.bt {
	margin: 20px 0;
	overflow: hidden;
	text-align: right;
	width: 680px;
}
.bt a,
.bt a span {
	height: 40px;
}

.bt a {
	background: url(../img/bt_inquiry_on.jpg) 0 0 no-repeat;
	display: inline-block;
	text-align: right;
	width: 240px;
}
.bt a span {
	background: url(../img/bt_inquiry_off.jpg) 0 0 no-repeat;
}

.bt_top a,
.bt_top span {
	height: 30px;
}

.bt a span,
.bt_top a span {
	display: block;
	overflow: hidden;
	text-indent: 100%;
	white-space: nowrap;
}
.bt a:hover span,
.bt_top a:hover span {
	background-position: -100px -100px;
}
.bt_top {
	margin: 10px 0 3em;
}

.bt_top a {
	background: url(../img/bt_top_on.png) 0 0 no-repeat;
	display: inline-block;
	width: 190px;
}
.bt_top a span {
	background: url(../img/bt_top_off.png) 0 0 no-repeat;
}



/* 個別 */

#index_navi {
	clear: both;
	margin: 40px 0;
	display: inline-block;
}

#index_navi li {
	float: left;
}

#navi {
	width: 680px;
	overflow: hidden;
	margin-bottom: 40px;
}

#oil-marine_navi {
	clear: both;
	width: 500px;
    margin: 40px auto 0;
}

#oil-marine_navi li {
	margin-right: 30px;
	float: left;
}

#water {
	margin-bottom: 40px;
}

#water h2 {
	border-bottom: 2px solid #3381bf;
}

#water h2:before {
    background: url(../img/water-ic.jpg) bottom left no-repeat;
}

#water h3 {
	border-bottom: 1px solid #3381bf;
}

#water h3:before {
	color: #3381bf;
}

#energy {
	margin-bottom: 40px;
}

#energy h2 {
	border-bottom: 2px solid #eb5c4e;
}

#energy h2:before {
    background: url(../img/energy-ic.jpg) bottom left no-repeat;
}

#energy h3 {
	border-bottom: 1px solid #eb5c4e;
}

#energy h3:before {
	color: #eb5c4e;
}

#chemical {
	margin-bottom: 40px;
}

#chemical h2 {
	border-bottom: 2px solid #ffcd20;
}

#chemical h2:before {
    background: url(../img/chemical-ic.jpg) bottom left no-repeat;
}

#chemical h3 {
	border-bottom: 1px solid #ffcd20;
}

#chemical h3:before {
	color: #ffcd20;
}

#news {
	margin-bottom: 40px;
}

#news h2 {
	border-bottom: 2px solid #6bdec7;
}

#news h2:before {
    background: url(../img/news-ic.jpg) bottom left no-repeat;
}

#inquiry {
	margin-bottom: 40px;
}

#inquiry h2 {
	border-bottom: 2px solid #f88522;
}

#inquiry h2:before {
    background: url(../img/inquiry-ic.jpg) bottom left no-repeat;
}

#ship {
	margin-bottom: 40px;
}

#ship h2 {
	border-bottom: 2px solid #52bbf7;
}

#ship h2:before {
    background: url(../img/ship-ic.jpg) bottom left no-repeat;
}

#ship h3 {
	border-bottom: 1px solid #52bbf7;
}

#ship h3:before {
	color: #52bbf7;
}

#oil {
	margin-bottom: 40px;
}

#oil h2 {
	border-bottom: 2px solid #6e6e6e;
}

#oil h2:before {
    background: url(../img/oil-ic.jpg) bottom left no-repeat;
}

#oil h3 {
	border-bottom: 1px solid #6e6e6e;
}

#oil h3:before {
	color: #6e6e6e;
}

/* 会社概要 */

#pankuzu {
	font-size: 12px;
	text-align: left;
	display: block;
	margin: -20px 0 40px;
}

#company #catch {
	width: 300px;
    float: left;
    font-weight: bold;
}

#company h2 {
	border-bottom: 2px solid #add9df;
}

#company h2:before {
    background: url(../img/company-ic.jpg) bottom left no-repeat;
}

#company h3 {
	border-bottom: 1px solid #add9df;
}

#company h3:before {
	color: #add9df;
}

#company .box {
	margin-bottom: 40px;
}

.affiliated-companies {
	display: flex;
	flex-wrap: wrap;
	gap: 2em 25px;
}
.affiliated-companies .list {
	overflow: hidden;
	margin: 0;
	width: 210px;
}
.affiliated-companies .list dt {
	font-weight: 700;
	text-align: center;
}


.pic_product {
	display: flex;
	flex-wrap: wrap;
	gap: 2em 20px;
	justify-content: left;
}
.pic_product dl {
	margin: 0;
	width: 155px;
}

.pic_product dl:nth-of-type(6) {
	width: 160px;
}
.pic_product dt {
	display: block;
	height: 132px;
	overflow: hidden;
	position: relative;
}
.pic_product img {
	display: block;
	height: auto;
	width: 155px;
}
.pic_product dl:first-of-type img {
	position: absolute;
	right: -5px;
	top: 50%;
	transform: translateY(-50%);
	width: 180px;
}

dl.pr_comp {
	width: 440px;
	margin-right: 20px;
}
.pr_comp dt {
	width: 110px;
	display: inline-block;
	float: left;
}
.pr_comp dd {
	float: left;
	width: 330px;
	text-align: left;
}

dl.history {
	display: flex;
	gap: .5em 1em;
	flex-wrap: wrap;
	margin-right: 0;
	width: 460px;
}

.history dt {
	width: 80px;
}
.history dd {
	text-align: justify;
  width: 350px;
}

dl.standards {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
	margin: 0 20px 20px;
	width: 640px;
}
.standards dt {
	display: block;
	margin: 1em 0 0 0;
	font-weight: bold;
	width: 100%;
}
.pr_comp dt:before,
.standards dt:before {
	content: "■";
	color: #add9df;
	margin-right: 10px;
}

.standards dd {
	display: block;
	text-align: justify;
	width: 540px;
}

.standards dd.mark {
	width: 80px;
}

/* WPSフッター */
#fotter_wps {
 text-align: center;
 clear: both;
 overflow: hidden;
 zoom: 1;
 background-color: #FFF;
 border-top: 1px solid #ccc;
 line-height: 0px;
}

#fotter_wps p {
 font-size: 10px;
 line-height: 120%;
 clear: both;
 display: block;
 padding: 10px 0;
 margin: 0px;
 background-color: #E8E8E8;
}

#fotter_wps p a {
 text-decoration: none;
}

#fotter_wps a img:hover {
 filter: Alpha(Opacity=70);
 opacity:0.7;
}