body {
	font-family: "游ゴシック体", YuGothic, "游ゴシック", "Yu Gothic", "メイリオ", "Hiragino Kaku Gothic ProN", "Hiragino Sans", sans-serif;
	font-weight: 500;
	position: relative;
    left: 0;
    overflow-x: hidden;
	-webkit-text-size-adjust: 100%; /* iphone横向き 文字拡大防止 */
}
img {
	display: block;
	width: 100%;
	backface-visibility: hidden;
	-webkit-backface-visibility: hidden;
}
a {
	text-decoration: none;
	color: #000;
	transition: all .3s;
}
a:hover {
	opacity: 0.7;
}
p {
	line-height: 2;
}


/*==================================================================================
ヘッダー
==================================================================================*/
header {
	width: 100%;
	padding: 20px 0!important;
	background: rgba(255,255,255,0.7);
	box-shadow: 3px 3px 3px rgba(0,0,0,0.3);
	position: fixed;
	top: 0;
	left: 0;
	z-index: 9999;
}
header .logo {
	display: block;
	width: 300px;
}
nav.gnav ul {
	display: flex;
	flex-wrap: wrap;
	justify-content: flex-end;
}
nav.gnav ul li {
	margin-left: 60px;
}
nav.gnav ul li p {
	line-height: 1.1;
}
nav.gnav ul li ul {
	display: none;
}

/*==================================================================================
共通
==================================================================================*/
/* レイアウト */
main {
	padding-top: 80px!important;
}
section {
	padding: 80px 0!important;
	position: relative;
}
.container {
	width: calc(100% - 40px);
	max-width: 1000px;
	padding: 0 20px;
	margin: auto;
	
}
.max960 {
	max-width: 960px;
	margin: auto;
}
.row {
	display: flex;
	flex-wrap: wrap;
	justify-content: space-between;
}
.row.align_center {
	align-items: center;
}
.row.just_center {
	justify-content: center;
}
.row.just_start {
	justify-content: flex-start;
}
.col2 {
	width: 50%;
}
.col3 {
	width: calc(100% / 3 - 10px);
}

.mb_10 {
	margin-bottom: 10px;
}
.mb_20 {
	margin-bottom: 20px;
}
.mb_40 {
	margin-bottom: 40px;
}
.mb_80 {
	margin-bottom: 80px;
}
.mb_120 {
	margin-bottom: 120px;
}
.mr_20 {
	margin-right: 20px;
}

/* フォント */
h2 {
	font-size: 28px;
	font-weight: bold;
	text-align: center;
	line-height: 1.2;
}
h3 {
	color: #144b82;
	font-size: 86px;
}
h3 span {
	font-size: 34px;
}
.font_12 {
	font-size: 12px;
}
.font_14 {
	font-size: 14px;
}
.font_18 {
	font-size: 18px;
}
.font_24 {
	font-size: 24px;
	line-height: 1.4;
}
.font_46 {
	font-size: 46px;
	line-height: 1.4;
}
.txt_center {
	text-align: center;
}
.bold {
	font-weight: bold;
}
.eng {
	font-family: din-condensed, sans-serif;
	font-weight: 400;
}
.orange {
	color: #ff7f00;
}
.navy {
	color: #144b82;
}
.line1_4 {
	line-height: 1.4;
}
.indent {
	padding-left: 1em;
	text-indent: -1em;
}
/* ボタン */
.btn {
	display: inline-block;
	padding: 10px 40px;
	border: 3px #144b82 solid;
	background: #fff;
	line-height: 1;
}
.btn:hover {
	opacity: 1;
	background: #144b82;
	color: #fff;
}

/* アニメーション -----------*/
.animated.fadeinup {
	animation: fadeinup .6s;
}
@keyframes fadeinup {
	0% {opacity: 0; transform: translateY(30px);}
	100% {opacity: 1; transform: translateY(0);}
}
.animated.fadeinright {
	animation: fadeinright .6s;
}
@keyframes fadeinright {
	0% {opacity: 0; transform: translateX(30px);}
	100% {opacity: 1; transform: translateX(0);}
}
.animated.fadeinleft {
	animation: fadeinleft .6s;
}
@keyframes fadeinleft {
	0% {opacity: 0; transform: translateX(-30px);}
	100% {opacity: 1; transform: translateX(0);}
}

/*==================================================================================
INDEX
==================================================================================*/
section#main {
	background: #144b82 url("../img/bg.png") center top / 100% repeat-y;
}
section#main .container {
	max-width: 100%;
}
section#main .main_img {
	border-radius: 30px;
	overflow: hidden;
	position: relative;
}
section#main .main_img h1,
section#main .main_img .copy {
	width: 100%;
	color: #fff;
	font-size: 40px;
	font-weight: bold;
	text-align: center;
	letter-spacing: 0.06em;
	line-height: 1.4;
	text-shadow: 0 0 20px rgba(20,75,130,0.60), 0 0 20px rgba(20,75,130,0.60), 0 0 20px rgba(20,75,130,0.60);
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
	z-index: 2;
}
/* スライド装飾 */
section#main .sp-slide {
	transform: scale(0.8);
}
section#main .sp-slide.sp-selected {
	transform: scale(1);
}
section#main .sp-horizontal .sp-arrows {
	max-width: 1000px;
	left: 50%;
	transform: translateX(-50%);
}
section#main .sp-arrow {
	width: auto;
	height: auto;
	border: 14px transparent solid;
	border-left: none;
	border-right: 22px #ff7f00 solid;
}
section#main .sp-arrow::before,
section#main .sp-arrow::after {
	display: none;
}
section#main .sp-horizontal .sp-previous-arrow {
	left: 0;
}
section#main .sp-horizontal .sp-next-arrow {
	right: 0;
}
section#main h2 {
	color: #fff;
}
/* 製品一覧 -----------------------------------------------------------------------*/
section#top_product {
	background: #e1e8ef;
}
section#top_product::after {
	content: "";
	display: block;
	border: 20px transparent solid;
	border-bottom: none;
	border-top: 20px #144b82 solid;
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}
section#top_product h3 {
	margin-top: -70px;
	position: relative;
}
section#top_product h3 span {
	position: relative;
	z-index: 2;
}
section#top_product h3::before {
	content: "";
	display: block;
	width: 200px;
	height: 100px;
	border-radius: 100px 100px 0 0;
	background: #e1e8ef;
	position: absolute;
	left: 50%;
	bottom: 0;
	transform: translateX(-50%);
}
/* 会社概要 -----------------------------------------------------------------------*/
section#top_company {
	background: url("../img/bg2.png") center top / 100% repeat-y;
}

/*==================================================================================
製品一覧
==================================================================================*/
section#steel_pipe {
	min-height: 640px;
	background: url("../img/bg2.png") center top / 100% repeat-y;
	z-index: 2;
}
section#steel_pipe .container {
	position: relative;
}
section#steel_pipe .img {
	width: calc(50% + 60px);
	height: 800px;
	overflow: hidden;
	position: absolute;
	top: 0;
	right: -60px;
}
section#steel_pipe .img img {
	height: 100%;
	object-fit: cover;
}
/**/
section#solid_drawn {
	background: #e1e8ef;
}
/* 管財 */
section#tube_material {
	padding: 120px 0!important;
	background: url("../img/bg2.png") center top / 100% repeat-y;
}
section#tube_material .img {
	width: 60%;
	margin-left: -60px;
}
/* 事例紹介 */
section#case {
	background: #144b82;
	color: #fff;
}
section#case h3 {
	color: #fff;
	text-align: center;
}
section#case h3 span {
	display: inline-block;
	padding-bottom: 10px;
	letter-spacing: 0.1em;
	position: relative;
}
section#case h3 span::after {
	content: "";
	display: block;
	width: 100px;
	border-bottom: 2px #fff solid;
	position: absolute;
	left: 50%;
	bottom: 0;
	transform: translateX(-50%);
}

/*==================================================================================
会社概要
==================================================================================*/
section#company {
	background: #e1e8ef;
}
.boad {
	padding: 40px 60px;
	background: #fff;
}
section#company table {
	width: 100%;
}
section#company table p {
	line-height: 1.6;
}
section#company table tr {
	border-bottom: 1px #000 solid;
}
section#company table th {
	width: 180px;
	padding: 20px 0;
	text-align: left;
	position: relative;
}
section#company table th::after {
	content: "";
	display: block;
	width: 30px;
	height: 100%;
	background: #fff;
	position: absolute;
	right: 0;
	bottom: -1px;
}
section#company table td {
	width: calc(100% - 180px);
	padding: 20px 0;
	text-align: left;
}

/*==================================================================================
個人情報の取扱い
==================================================================================*/
section#policy {
	background: #e1e8ef;
}

/*==================================================================================
フッター
==================================================================================*/
footer {
	padding: 40px 0!important;
	background: #e1e8ef;
}


.tb {display: none;}
.pc {display: inline;}
.sp {display: none;}



@media screen and (max-width : 1280px) {
	/*==================================================================================
	メイン
	==================================================================================*/
	/* スライド装飾 */
	section#main .sp-horizontal .sp-arrows {
		max-width: 770px;
	}
}



@media screen and (max-width : 960px) {
	.pc {display: none;}
	.tb {display: inline;}
	
	p { font-size: 14px; line-height: 1.6; }
	/*==================================================================================
	ヘッダー
	==================================================================================*/
	header {
		padding: 15px 0!important;
	}
	header.active {
		background: #fff;
	}
	header .logo {
		width: 200px;
	}
	/* スマホ版 メニュー -----------------------*/
	nav.gnav {
	    z-index: 2;
	    width: 100%;
		height: calc(100vh - 53px);
		background: rgba(0,0,0,0.8);
		opacity: 0;
		visibility: hidden;
		transition: all 0.3s;
	    position: fixed;
	    top: 53px;
	    left: 0;
	}
	nav.gnav.active {
	    opacity: 1;
		visibility: visible;
	}
	nav.gnav ul {
	    width: calc(100% - 40px);
		padding: 20px 20px 40px;
	    background: #e1e8ef;
	}
	nav.gnav ul li {
	    width: 100%;
		max-width: 680px;
		margin: auto;
	    border-bottom: 1px dotted #ccc;
	}
	/* 最後はラインを描かない */
	nav.gnav ul li:last-child {
	    padding-bottom: 0;
	    border-bottom: none;
	}
	nav.gnav ul li a {
	    display: block;
		padding: 20px 0;
	}
	nav.gnav ul li a p {
		text-align: left;
	}
	nav.gnav ul li a p span {
		display: inline-block;
		margin-left: 20px;
	}
	nav.gnav ul li ul {
		display: block;
	    width: 100%;
		padding: 0 0 20px;
	}
	nav.gnav ul li ul li a {
		padding: 20px;
		background: #d7e0e9;
	}
	nav.gnav ul li ul li a p {
		padding-left: 12px;
		position: relative;
	}
	nav.gnav ul li ul li a p::before {
		content: "";
		display: block;
		width: 6px;
		border-bottom: 1px #000 solid;
		position: absolute;
		top: 50%;
		left: 0;
	}
	.gnavToggle {
	    z-index: 9999;
	    display: flex;
		flex-wrap: wrap;
		flex-direction: column;
		justify-content: center;
		align-items: center;
	    width: 40px;
	    height: 40px;
	    text-align: center;
	    cursor: pointer;
	    position: fixed;
	    right: 20px;
	    top: 8px;
	}
	.gnavToggle span {
	    display: block;
	    width: 100%;
		margin-bottom: 5px;
	    border-bottom: solid 2px #000;
	    transition: .35s ease-in-out;
	}
	.gnavToggle span:nth-child(3) {
		width: 100%;
		margin-bottom: 0;
	    border: none;
		text-align: center;
		letter-spacing: 0.05em;
	}
	.gnavToggle.active span {
	    margin-bottom: 4px;
	}
	.gnavToggle.active span:nth-child(3) {
	    margin-bottom: 0;
	}
	.gnavToggle.active span:nth-child(1) {
	    transform: translateY(3px) rotate(-15deg);
	}
	.gnavToggle.active span:nth-child(2) {
	    transform: translateY(-3px) rotate(15deg);
	}
	/*==================================================================================
	共通
	==================================================================================*/
	/* レイアウト */
	main {
		padding-top: 54px!important;
	}
	section {
		padding: 60px 0!important;
	}
	.container {
		max-width: 680px;
	}
	.col3 {
		width: calc(50% - 10px); 
		margin-bottom: 30px;
	}
	.mb_10 {
		margin-bottom: 5px;
	}
	.mb_20 {
		margin-bottom: 15px;
	}
	.mb_40 {
		margin-bottom: 30px;
	}
	.mb_80 {
		margin-bottom: 60px;
	}
	.mb_120 {
		margin-bottom: 80px;
	}
	/* フォント */
	h2 {
		font-size: 24px;
	}
	h3 {
		font-size: 50px;
	}
	h3 span {
		font-size: 20px;
	}
	.font_12 {
		font-size: 10px;
	}
	.font_14 {
		font-size: 12px;
	}
	.font_18 {
		font-size: 16px;
	}
	.font_24 {
		font-size: 20px;
	}
	.font_46 {
		font-size: 28px;
	}
	/*==================================================================================
	INDEX
	==================================================================================*/
	section#main .main_img {
		height: 460px;
		border-radius: 20px;
	}
	section#main .main_img img {
		height: 100%;
		object-fit: cover;
	}
	section#main .main_img h1,
	section#main .main_img .copy {
		font-size: 28px;
		letter-spacing: 0.03em;
	}
	/* スライド装飾 */
	section#main .sp-slide {
		transform: scale(0.85);
	}
	section#main .sp-horizontal .sp-arrows {
		max-width: 88%;
	}
	section#main .sp-arrow {
		border: 10px transparent solid;
		border-left: none;
		border-right: 16px #ff7f00 solid;
	}
	/* 製品一覧 -----------------------------------------------------------------------*/
	section#top_product::after {
		border: 16px transparent solid;
		border-top: 16px #144b82 solid;
	}
	section#top_product h3 {
		margin-top: -40px;
	}
	section#top_product h3::before {
		width: 140px;
		height: 70px;
		border-radius: 70px 70px 0 0;
	}
	/*==================================================================================
	製品一覧
	==================================================================================*/
	section#steel_pipe {
		min-height: 400px;
	}
	section#steel_pipe .img {
		width: calc(50% + 20px);
		height: 500px;
		right: -20px;
	}
	/**/
	section#solid_drawn .font_24 {
		font-size: 18px;
	}
	/* 管財 */
	section#tube_material {
		padding: 80px 0!important;
	}
	section#tube_material .img {
		margin-left: -20px;
	}
	/* 事例紹介 */
	section#case h3 span {
		display: inline-block;
		padding-bottom: 6px;
	}
	section#case h3 span::after {
		width: 60px;
	}
	/*==================================================================================
	会社概要
	==================================================================================*/
	.boad {
		padding: 20px 30px;
	}
	section#company table th {
		width: 120px;
	}
	section#company table th::after {
		width: 20px;
	}
	section#company table td {
		width: calc(100% - 120px);
	}
	/*==================================================================================
	フッター
	==================================================================================*/
	footer {
		padding: 30px 0!important;
	}
	footer ul {
		width: 100%;
		justify-content: center!important;
		margin-bottom: 15px;
	}
	footer p {
		width: 100%;
		text-align: center;
	}

}


@media screen and (max-width : 680px) {
	/*==================================================================================
	製品一覧
	==================================================================================*/
	section#steel_pipe {
		min-height: 400px;
	}
	.non680 {
		display: none;
	}
	section#steel_pipe .img {
		width: 100%;
		max-width: 460px;
		height: auto;
		margin: 40px 0 -80px;
		position: relative;
		right: 0;
	}
	/* 管財 */
	section#tube_material .img {
		width: 100%;
		margin: 0 0 40px 0;
	}
}


@media screen and (max-width : 540px) {
	.col2 {
		width: 100%;
		margin-bottom: 30px;
	}
	/*==================================================================================
	INDEX
	==================================================================================*/
	section#main .main_img h1,
	section#main .main_img .copy {
		font-size: 20px;
		text-shadow: 0 0 15px rgba(20,75,130,0.60), 0 0 15px rgba(20,75,130,0.60), 0 0 15px rgba(20,75,130,0.60);
	}
	/* スライド装飾 */
	section#main .sp-arrow {
		border: 6px transparent solid;
		border-left: none;
		border-right: 10px #ff7f00 solid;
	}
}


@media screen and (max-width : 460px) {
	.tb {display: none;}
	.sp {display: inline;}
	
	.col3 {
		width: 100%;
	}
	.col3:last-child {
		margin-bottom: 0;
	}
	.font_46 {
		font-size: 24px;
	}
	/*==================================================================================
	会社概要
	==================================================================================*/
	.boad {
		padding: 15px;
	}
	section#company table p {
		font-size: 12px;
	}
	section#company table th {
		width: 90px;
		padding: 15px 0;
	}
	section#company table th::after {
		width: 10px;
	}
	section#company table td {
		width: calc(100% - 90px);
		padding: 15px 0;
	}
	/*==================================================================================
	フッター
	==================================================================================*/
	/* ページトップへ戻るボタン */
	.btn_pagetop {
		display: none!important;
	}
}