@charset "UTF-8";
/*!
 * know専用
*/

/* =========================================================
 * 共通
 * @
 * ====================================================== */

/* ------------------------------
 * 全体
 * --------------------------- */

/*ページ内リンクの上余白*/
#know01,#know02,#know03{
	padding-top:60px;
	margin-top:-30px;
}

.computeFlatTypeSection{
	margin-bottom:0;
}
.know_contents_inner{
	width:980px;
	margin:0 auto;
}
.know_contents_inner img{
	width:100%;
}
.know_contents_inner.in_margin{
	padding-left:30px;
	padding-right:30px;
}
/*リセット*/
.know_contents_inner h2,
.know_contents_inner h3,
.know_contents_inner h4{
	margin:0;
	padding:0;
}
.know_contents_inner .know_hd{
	margin-bottom:20px;
	font-size:30px;
}
.know_contents_inner .know_hd_t{
	margin-bottom:15px;
	color:#022565;
	font-size:18px;
	font-weight:bold;
}
.know_contents_inner ul{
	margin:0;
	padding:0;
}

@media screen and (max-width: 480px) {
	.know_contents_inner{
		width: 100%;
		padding: 0 5%;
	}
	#know01, #know02, #know03 {padding-top: 30px;}
	.know_contents_inner .know_hd {
		margin-bottom: 20px;
		font-size: 24px;
		line-height:1.5;
	}
	.know_contents_inner .know_hd_t{
		margin-bottom: 20px;
	}
}



/* =========================================================
 * ビジュアル
 * @
 * ====================================================== */
 .main_visual{
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/know_main_bg.png) no-repeat right center;
	background-size: 33%;
}

.main_visual .txt{
	background:#ed6893;
	width:660px;
	padding:30px;
	font-size:16px;
}

.main_visual p{
	line-height: 1.7;
	padding-right: 5rem;
	padding-left: 1.2rem;
	margin-top: .5rem;
}

.main_visual_ttl{
	font-size:18px;
	font-weight: bold;
	line-height: 1.7;
	border-bottom: 1px solid #000;
}


@media screen and (max-width: 480px) {
	.main_visual{
		background: none;
	}
	.main_visual .txt{
		width: 100%;
		padding: 1.6rem;
	}
}




/* =========================================================
 * ページ上部　リンク
 * @
 * ====================================================== */

/*ページ内リンク*/
.page_inner_link{
	border-bottom:1px solid #1b3a74;;
}
.page_inner_link ul{
	width:980px;
	margin-left:0;
	margin-right:0;
	padding:0;
	margin:30px  auto 0;
	list-style:none;
	display:table;
	table-layout:fixed;
}
.page_inner_link ul li{
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/pageinnerlink_arrow.png) no-repeat bottom 10px center #022565;
	display:table-cell;
	text-align:center;
}
.page_inner_link ul li:not( :first-child ){
	border-left:1px solid #fff;
}
.page_inner_link ul li a{
	color:#fff;
	display:block;
	padding:10px 10px 25px;
}
.page_inner_link ul li:hover{
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/pageinnerlink_arrow.png) no-repeat bottom 10px center #005193;
}

@media screen and (max-width: 480px) {
	.page_inner_link {
		display: none;
	}
}



/* =========================================================
 * コンテンツのレイアウト
 * @
 * ====================================================== */
.border_read{
	border-left:5px solid #022565;
	padding-left:30px;
	margin-left:80px;
	font-size:16px;
	margin-bottom:20px;
}

@media screen and (max-width: 480px) {
	.border_read {
		margin-left: 0;
		padding-left: 0;
		border-left: none;
	}
}


.tips_area{
	margin-left:55px;
	display: flex;
	display: -ms-flexbox; /* IE10 */
	display: -webkit-box; /* Android4.3以下、Safari3.1〜6.0 */
	display: -webkit-flex; /* Safari6.1以降 */
	flex-direction: row;
	-ms-flex-direction: row; /*IE10*/
	-webkit-box-direction: row; /* Android4.3以下、Safari3.1〜6.0 */ /* Safari6.1以降 */
	margin-bottom:55px;
}
.tips_area .tips span{
	border-bottom:5px solid #022565;
	font-weight:bold;
}
.tips_area .tips_box{
	margin-left:15px;
	width:100%;
}
.tips_area .tips_box .title{
	background:#022565;
	color:#fff;
	font-size:16px;
	padding:5px 25px;
}
.tips_area .tips_box .bt_box{
	background:#f2f2f2;
	padding:25px 25px 20px;
}
.tips_area .tips_box .bt_box .up{
	font-weight:bold;
	font-size:16px;
}

@media screen and (max-width: 480px) {
	.tips_area {
		-webkit-box-orient: vertical;
		-webkit-box-direction: normal;
		    -ms-flex-direction: column;
		        flex-direction: column;
		margin-left: 0;
		margin-bottom:30px;
	}

	.tips_area .tips span{
		padding-left: .8rem;
		border-bottom: none;
		border-left: 5px solid #022565;
	}

	.tips_area .tips_box{
		margin-top: 1rem;
		margin-left: 0;
	}

}


.inside_area{
	margin-left:100px;
}
.inside_area p{
	line-height:1.8;
}

.inside_area .consideration{
	border: none;
	margin: 20px 0;
	padding: 25px 0;
}

.inside_area .consideration .consideration_ttl{
	margin-bottom: 20px;
	text-align: center;
}

@media screen and (max-width: 480px) {
	.inside_area {
		margin-left: 0;
	}
}




.fl_area{
	margin:55px 0 30px;
}
.fl_area .left_area{
	float:left;
	width:50%;
	padding-right:40px;
}
.fl_area .right_area{
	float:right;
	width:50%;
	padding-left:40px;
	border-left:2px solid #e0e0e0;
}
.fl_area .right_area.noborder{
	border-left:none;
}

/*Jun.25.2018*/
.text_underline {
	text-decoration: underline;
}


@media screen and (max-width: 480px) {
	.fl_area{
		margin:25px 0 30px;
	}
	.fl_area .left_area {
		float: none;
		width: 100%;
		padding-right: 0;
	}
	.fl_area .right_area{
		float: none;
		width: 100%;
		margin-top:55px;
		padding-left: 0;
		border-left: none;
	}
}



.caption{
	font-size:10px;
	color:#666;
	margin-top:25px;
}
.bt_area{
	margin-top:30px;
	text-align:center;
}
.bt_area a{
	background:#022565;
	padding:20px 30px;
	color:#fff;
	display:inline-block;
}
.bt_area a:hover{
	background:#005193;
}



.column_area{
	margin-left:20px;
	display: flex;
	display: -ms-flexbox; /* IE10 */
	display: -webkit-box; /* Android4.3以下、Safari3.1〜6.0 */
	display: -webkit-flex; /* Safari6.1以降 */
	flex-direction: row;
	-ms-flex-direction: row; /*IE10*/
	-webkit-box-direction: row; /* Android4.3以下、Safari3.1〜6.0 */ /* Safari6.1以降 */
	margin-bottom:55px;
}
.column_area .column span{
	border-bottom:5px solid #022565;
	font-weight:bold;
}
.column_area .accordion_component.know{
	margin-left:15px;
	width:100%;
	border:5px solid #0e306c;
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/column_bg.png);
	padding:20px;
	color:#022565;
}
.column_area .accordion_component.know .accordion_header{
	padding:0;
	font-size:18px;
	color:#022565;
}
.column_area .accordion_component.know .accordion_contents{
	padding-bottom:0;
}
.column_area .accordion_component.know .accordion_contents p{
	margin-bottom:20px;
}
.column_area .accordion_component.know .accordion_header::after {
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/icon_plus.png) left top no-repeat;
	background-size: cover;
}
.column_area .accordion_component.know .accordion_header.accordion-close::after{
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/icon_minus.png) left top no-repeat;
}

@media screen and (max-width: 480px) {
	.column_area {
		margin-left: 0;
		-webkit-box-orient: vertical;
		-webkit-box-direction: normal;
		    -ms-flex-direction: column;
		        flex-direction: column;
		margin-bottom: 55px;
	}
	.column_area .column span {
		padding-left: .8rem;
		border-bottom: none;
		border-left: 5px solid #022565;
	}

	.column_area .accordion_component.know {
		margin-top: 1rem;
		margin-left: 0;
	}

}





.left_fl_box .img_area{
	float:left;
	width:400px;
	padding:0 30px 20px 0;
}
.left_fl_box .txt_area p{
	margin-bottom:20px;
}
.left_fl_box .txt_area .note{
	font-size:10px;
	color:#666;
	text-align:right;
}
.right_fl_box .img_area{
	float:right;
	width:400px;
	padding:0 0 20px 20px;
}
.right_fl_box .txt_area p{
	margin-bottom:20px;
}
.right_fl_box .txt_area .note{
	font-size:10px;
	color:#666;
	text-align:right;
}
.t_deco{
	text-decoration:underline;
}
.t_green{
	color:#74a940;
	font-weight:bold;
}

@media screen and (max-width: 480px) {
	.left_fl_box .img_area {
		float: none;
		width: 100%;
		padding: 0;
		margin-bottom:20px;
	}

	.right_fl_box .img_area {
		float: none;
		width: 100%;
		padding: 0;
	}
}




/*次世代のインターネット環境へ*/

.know03_hd{
	background:url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/column_bg2.png);
	padding:60px 0;
}
.know03_hd h2{
	color:#fff;
	font-size:30px;
}
.know03_wrap{
	background:#e6e9f0;
	padding:50px 0;
}
.know03_wrap .read{
	width:90%;
	font-size:14px;
	line-height:1.8;
	margin:0 auto 60px;
}
.know03_wrap h3{
	font-size:30px;
	font-weight:bold;
	text-align:center;
}
.know03_wrap h3 + p{
	width:90%;
	margin:10px auto 20px;
	line-height: 1.8;
}
@media screen and (max-width: 480px) {
	.contents_inner{
		width:98%;
	}
	.page_inner_link ul{
		width:100%;
	}
	.know03_hd{
		padding:30px 0;
	}
	.know03_hd h2{
		font-size:24px;
	}
	.know03_wrap{
		padding:30px 0;
	}
	.know03_wrap .read{
		margin-bottom:30px;
	}
	.know03_wrap h3{
		font-size:24px;
	}
	.know03_wrap h3 + p{
		width:100%;
	}
}


/* -------------
 * OCN 光 IPoEサービスの5分割のボタン
 * ---------- */
.know_ipoeService_options {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	width: 100%;
}
.know_ipoeService_options li {
	position: relative;
	display: block;
	width: calc((100% - 4px) / 5);
	background: #022565;
	color: #fff;
}
.know_ipoeService_options li:not(:first-child) {
	margin-left: 1px;
}
.know_ipoeService_options li:after {
	content: url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/link_arrow.png);
	position: absolute;
	left: 50%;
	bottom: 20px;
	-webkit-transform: translateX(-50%);
	        transform: translateX(-50%);
}

.know_ipoeService_options a {
	display: block;
	height: 120px;
	padding: 20px;
	color: #fff;
	text-align: center;
}
.know_ipoeService_options a span{
	display: block;
}

@media screen and (max-width: 480px) {
	.know_ipoeService_options {
		-webkit-box-orient: vertical;
		-webkit-box-direction: normal;
		    -ms-flex-direction: column;
		        flex-direction: column;
	}

	.know_ipoeService_options li {
		width: 100%;
	}
	.know_ipoeService_options li:not(:first-child) {
		margin-left: 0;
		margin-top: 1rem;
	}
	.know_ipoeService_options li:after {
		left: auto;
		right: 1rem;
		top: 50%;
		bottom: auto;
		-webkit-transform: translate(0, -50%);
		        transform: translate(0, -50%);
	}

	.know_ipoeService_options a {
		height: auto;
		text-align: left;
	}
	.know_ipoeService_options a span{
		display: inline;
	}


}



/* -------------
 * フローティングのボタン
 * ---------- */
.know_floatingBtn {
	z-index: 999;
	position: fixed;
	top: 50%;
	left: 0;
	-webkit-transform: translateY(-50%);
	        transform: translateY(-50%);
	-webkit-box-shadow: 1px -2px 4px rgba(105, 105, 105, .4);
	        box-shadow: 1px -2px 4px rgba(105, 105, 105, .4);
}

.know_floatingBtn a {
	display: block;
	padding: 38px 30px;
	background: #022565;
	color: #fff;
	line-height: 1.6;
}


@media screen and (max-width: 480px) {
	.know_floatingBtn {
		display: none;
	}
}



/** ==================================================
 * 26.Nov.2018
 * ================================================ */

/* -------------
 * フローティングのボタン
 * ---------- */
.know_floatingBox {
	z-index: 999;
	position: fixed;
	top: 50%;
	left: 0;
	/* -webkit-transform: translateY(-50%);
	        transform: translateY(-50%); */
}

.floatingBox_item {
	display: -webkit-box;
	display: -ms-flexbox;
	display: flex;
	-webkit-box-pack: center;
	    -ms-flex-pack: center;
	        justify-content: center;
	-webkit-box-align: center;
	    -ms-flex-align: center;
	        align-items: center;
	width: 130px;
	height: 50px;
	background: #022565;
}
.floatingBox_item:not(:first-child) {
	margin-top: 30px;
}

.floatingBox_item a {
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	color: #fff;
	line-height: 1.6;
}

@media screen and (max-width: 480px) {
	.know_floatingBox {
		display: none;
	}
}


/* -------------
 * 上部コンテンツ
 * ---------- */
.know_catch {
	font-size: 20px;
	font-weight: bold;
	text-align: center;
}

.know_topCta {
	margin-top: 28px;
/*
	padding: 52px 0;
	background: #F4F5F7;
	border-top: 5px solid #929FBF;
	border-bottom: 5px solid #929FBF;
*/
}

.topCta_container {
	display: flex;
	justify-content: space-between;
}


/* ----- 左側本文 ----- */
.topCta_item_txt {
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	width: 644px;
}
.topCta_item_txt p {
	/*color: #929FBF;*/
}

.txt_bottom {
	display: flex;
	padding: 20px;
	background-color: #E1E3E6;
}

/* 挿絵 */
.txt_bottom_img {
	margin-right: 30px;
}

/* リスト */
.txt_bottom_body {
	flex-grow: 1;
}
.txt_bottom_body ul {
	list-style: none;
}
.txt_bottom_body li {
	line-height: 1;
}
.txt_bottom_body li:not(:first-child) {
	margin-top: 10px;
}
.txt_bottom_body li::before {
	content: "■";
}
.txt_bottom_body a {
	display: inline-block;
	width: 100%;
	margin-top: 20px;
	padding: 10px;
	background: #fed531;
	color: #004386;
	text-align: center;
}



/* ----- 右側イメージ ----- */
.topCta_item_img {
	width: 320px;
}
.topCta_item_img img {
	vertical-align: bottom;
}


@media screen and (max-width: 480px) {
/*
	.know_topCta {
		padding: 32px 0;
	}
*/
	.topCta_container {
		display: block;
	}


	/* ----- 左側本文 ----- */
	.topCta_item_txt {
		width: 100%;
	}

	.txt_bottom {
		margin-top: 1rem;
	}

	/* 挿絵 */
	.txt_bottom_img {
		display: none;
	}


	/* ----- 右側イメージ ----- */
	.topCta_item_img {
		width: 100%;
		margin-top: 1.6rem;
	}
}



/* -------------
 * バナー
 * ---------- */
.ex_linkBanner {
	margin-top: 48px;
}

@media screen and (max-width: 480px) {
	.ex_linkBanner {
		margin-top: 1.6rem;
	}	
}



/* -------------
 * OCN光 IPoEサービス
 * ---------- */
.border_read_postscript {
	margin-left: calc(115px - 1rem);
}

/* ----- 見出し ----- */
.postscript_hd {
	color: #002565;
	font-size: 18px;
}
.postscript_hd:nth-child(n + 2) {
	margin-top: 50px;
}


/* ----- コンテンツ部分 ----- */
.postscript_box {
	margin-top: 40px;
	padding-left: 1rem;
}

/* 横並びナビ */
.postscript_box nav {
	z-index: initial;
	position: static;
	width: auto;
}

.postscript_box ul {
	display: flex;
	list-style: none;
}
.postscript_box li {
	display: flex;
	justify-content: center;
	align-items: center;
	width: 20%;
}
.postscript_box li:not(:first-child) {
	border-left: 1px solid #fff;
}

.postscript_box nav a {
	display: block;
	width: 100%;
	padding: 20px 0;
	background: #022565;
	color: #fff;
	text-align: center;
}

.postscript_box nav + p {
	margin-top: 40px;
}

.appServices_section {
	margin-top: 50px;
}


@media screen and (max-width: 480px) {

	.border_read_postscript {
		margin-left: 0;
	}
	
	/* ----- 見出し ----- */
	.postscript_hd:nth-child(n + 2) {
		margin-top: 2.4rem;
	}
	
	/* ----- コンテンツ部分 ----- */
	.postscript_box {
		margin-top: 1rem;
		padding-left: 0;
	}
	
	/* 横並びナビ */
	.postscript_box ul {
		display: block;
	}
	.postscript_box li {
		width: 100%;
	}
	.postscript_box li:not(:first-child) {
		border-left: none;
		margin-top: 1rem;
	}
	
	.postscript_box nav a {
		position: relative;
		padding: 20px;
		text-align: left;
	}
	
	.postscript_box nav a:after {
		content: url(/content/dam/nttcom/hq/jp/business/services/network/internet-connect/ocn-business/ftth/img/link_arrow.png);
		position: absolute;
		top: 50%;
		right: 0;
		-webkit-transform: translate(-100%, -50%);
		transform: translate(-100%, -50%);
	}
	

}


.inner_link_up_txt{
	font-size:20px;
	font-weight:bold;
	text-align:center;
	margin-top:40px;
}
.mgt120{margin-top:120px;}
.oyakudachi_box{
	background:#f4f5f6;
	padding:20px;
	margin-top:30px;
}
.oyakudachi_box h3{
	margin-bottom:10px;
}
.oyakudachi_box h3 a{
	font-size:20px;
	font-weight:bold;
	text-decoration:underline;
}
.oyakudachi_box ul{
	list-style:none;
}
.oyakudachi_box ul li{
	display:inline;
}
.oyakudachi_box ul a{
	text-decoration:underline;
	color:#333;
}
@media screen and (max-width: 480px) {
	.mgt120{margin-top:40px;}
	.inner_link_up_txt{
		padding-left: 30px;
		padding-right: 30px;
	}
	.oyakudachi_box ul br{
		display:none;
	}
	.oyakudachi_box ul li{
		display:block;
	}
}