/* ==============================================
   換気部材割付システム ページ専用スタイル
   Body class: .un_bm_ventilation_layout
   ============================================== */

/* -----------------------------------------------
   Utility
----------------------------------------------- */
@media screen and (max-width: 768px) {
	.un_bl_br_pc_only {
		display: none;
	}
}

/* -----------------------------------------------
   Hero
----------------------------------------------- */
.un_bm_ventilation_layout .un_bm_vl_hero {
	position: relative;
	width: 100%;
	background-color: rgba(0, 0, 0, 0.5);
	display: flex;
	align-items: center;
	justify-content: center;
	min-height: 180px;
	text-align: center;
}

.un_bm_ventilation_layout .un_bm_vl_hero::before {
	content: "";
	position: absolute;
	inset: 0;
	background: rgba(128, 128, 128, 1);
}

.un_bm_ventilation_layout .un_bm_vl_hero_title {
	position: relative;
	z-index: 1;
	color: #fff;
	font-size: 46px;
	font-weight: 500;
	letter-spacing: 0.04em;
	line-height: 1.4;
}

/* -----------------------------------------------
   Breadcrumb
----------------------------------------------- */
.un_bm_ventilation_layout .ly_main { margin-top: 147px; }
@media screen and (max-width: 1200px) {
	.un_bm_ventilation_layout .ly_main { margin-top: 100px; }
}
@media screen and (max-width: 768px) {
	.un_bm_ventilation_layout .ly_main { margin-top: 72px; }
}


/* -----------------------------------------------
   Intro Section
----------------------------------------------- */
.un_bm_ventilation_layout .un_bm_vl_intro {
	background: #fff;
	padding: 60px 92px 100px;
	text-align: center;
}

.un_bm_ventilation_layout .un_bm_vl_intro_label {
	display: inline-block;
	font-size: 16px;
	font-weight: 400;
	letter-spacing: 0.04em;
	color: #858585;
	margin-bottom: 45px;
}

.un_bm_ventilation_layout .un_bm_vl_intro_heading {
	font-size: 38px;
	font-weight: 500;
	color: #000000;
	line-height: 1.42;
	letter-spacing: 0.04em;
	margin: 0 0 38px;
}

.un_bm_ventilation_layout .un_bm_vl_intro_desc {
	font-size: 20px;
	color: #545454;
	letter-spacing: 0.04em;
	margin: 0;
	line-height: 2.2;
}

/* -----------------------------------------------
   Section Heading（共通）
----------------------------------------------- */
.un_bm_ventilation_layout .un_bm_vl_section_heading {
	font-size: 36px;
	font-weight: 500;
	color: #282828;
	letter-spacing: 0.04em;
	line-height: 36px;
	text-align: center;
}

.un_bm_vl_section_wrapper {
	background: #fbf6f6;
	padding: 100px 20px;
}

/* -----------------------------------------------
   Section 1: 使い方
----------------------------------------------- */
.un_bm_vl_section_wrapper .un_bm_vl_howto {
	background: #fff;
	padding: 52px 20px 65px;
	max-width: 1366px;
	margin: 0 auto;
}

.un_bm_ventilation_layout .un_bm_vl_steps {
	display: flex;
	margin: 89px auto 0;
	justify-content: center;
	align-items: stretch;
	gap: 51px;
	position: relative;
}

/* ステップカード */
.un_bm_ventilation_layout .un_bm_vl_step {
	flex: 1;
	min-width: 0;
	width: 100%;
	max-width: 575px;
	background: #f8f8f8;
	padding: 30px 40px 54px;;
	position: relative;
}

.un_bm_ventilation_layout .un_bm_vl_step_header {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	margin-bottom: 48px;
}

.un_bm_ventilation_layout .un_bm_vl_step_badge {
	display: none;
}

.un_bm_ventilation_layout .un_bm_vl_step_num {
	font-size: 30px;
	font-weight: 700;
	color: #fff;
	background: #a72126;
	width: 55px;
	height: 55px;
	border-radius: 50%;
	display: flex;
	align-items: center;
	justify-content: center;
	line-height: 1;
	padding-bottom: 4px;
	flex-shrink: 0;
	position: absolute;
	top: -25px;
	left: 50%;
	transform: translateX(-50%);
}

.un_bm_ventilation_layout .un_bm_vl_step_title {
	width: 100%;
	font-size: 30px;
	font-weight: 500;
	color: #282828;
	letter-spacing: 0.04em;
	line-height: 1.2;
	padding: 33px 0 28px;
	text-align: center;
	border-bottom: 1px solid #a72126;
}

.un_bm_ventilation_layout .un_bm_vl_step_body {
	display: flex;
	flex-direction: column;
	gap: 22px;
}

.un_bm_ventilation_layout .un_bm_vl_step_img {
	width: 100%;
	height: auto;
	display: block;
}

.un_bm_ventilation_layout .un_bm_vl_step_text {
	font-size: 20px;
	color: #282828;
	font-weight: 500;
	line-height: 1.8;
	letter-spacing: 0.04em;
	margin: 0;
}

.un_bm_ventilation_layout .un_bm_vl_step_text span {
	display: inline-block;
	font-size: 18px;
	color: #282828;
	font-weight: 400;
	letter-spacing: 0.04em;
	line-height: 1.8;
}

.un_bm_ventilation_layout .un_bm_vl_step_note--sub {
	font-size: 18px;
	color: #282828;
	letter-spacing: 0.04em;
	font-weight: 400;
	line-height: 1.6;
	margin: 0;
}

.un_bm_ventilation_layout .un_bm_vl_step_note--caution {
	font-size: 16px;
	color: #000000;
	font-weight: 500;
	letter-spacing: 0.04em;
	line-height: 1.6;
	margin: 0;
}

/* ステップ間の矢印（PC: 横向き） */
.un_bm_ventilation_layout .un_bm_vl_step_arrow {
	position: absolute;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 85px;
	z-index: 10;
	top: 55%;
	left: 50%;
	transform: translate(-50%, -55%);
}

.un_bm_ventilation_layout .un_bm_vl_step_arrow svg {
	width: 60px;
	height: 44px;
}

/* -----------------------------------------------
   Section 2: 特徴
----------------------------------------------- */
.un_bm_vl_section_wrapper .un_bm_vl_features {
	background: #fff;
	padding: 52px 20px 59px;
	max-width: 1366px;
	margin: 59px auto 0;
}

.un_bm_ventilation_layout .un_bm_vl_features_grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	gap: 68px 45px;
	margin: 92px auto 0;
}

.un_bm_ventilation_layout .un_bm_vl_feature_card {
	position: relative;
	background: #f8f8f8;
	padding: 30px 40px 54px;
	max-width: 575px;
	width: 100%;
	display: flex;
	flex-direction: column;
}

.un_bm_ventilation_layout .un_bm_vl_feature_card:nth-child(odd) {
	justify-self: end;
}

.un_bm_ventilation_layout .un_bm_vl_feature_card:nth-child(even) {
	justify-self: start;
}

.un_bm_ventilation_layout .un_bm_vl_feature_badge {
	position: absolute;
	top: -25px;
	left: 50%;
	transform: translateX(-50%);
	width: 55px;
	height: 55px;
	border-radius: 50%;
	background: #a72126;
	color: #fff;
	font-size: 30px;
	font-weight: 700;
	display: flex;
	align-items: center;
	justify-content: center;
	flex-shrink: 0;
}

.un_bm_ventilation_layout .un_bm_vl_feature_img {
	order: 2;
	width: 100%;
	max-width: 395px;
	height: 282px;
	object-fit: contain;
	object-position: center;
	display: block;
	margin: 48px auto 0;
}

.un_bm_ventilation_layout .un_bm_vl_feature_title {
	order: 1;
	width: 100%;
	font-size: 28px;
	font-weight: 500;
	color: #282828;
	letter-spacing: 0.04em;
	line-height: 1.2;
	padding: 33px 0 28px;
	text-align: center;
	border-bottom: 1px solid #a72126;
	margin: 0;
}

.un_bm_ventilation_layout .un_bm_vl_feature_text {
	order: 3;
	font-size: 18px;
	color: #000000;
	line-height: 1.8;
	letter-spacing: 0.04em;
	margin: 39px 0 0;
	list-style: none;
	padding: 0;
}

.un_bm_ventilation_layout .un_bm_vl_feature_text li {
	padding-left: 1em;
	text-indent: -1em;
}

.un_bm_ventilation_layout .un_bm_vl_feature_text li::before {
	content: "";
	display: inline-block;
	width: 8px;
	height: 8px;
	border-radius: 50%;
	background-color: currentColor;
	vertical-align: middle;
	margin-right: 11px;
	margin-bottom: 4px;
}

/* -----------------------------------------------
   Section 3: 動作環境
----------------------------------------------- */
.un_bm_vl_section_wrapper .un_bm_vl_environment {
	background: #fff;
	padding: 37px 20px 46px;
	max-width: 1366px;
	margin: 50px auto 0;
}
.un_bm_ventilation_layout .un_bm_vl_environment .un_bm_vl_section_inner {
	width: 100%;
	max-width: 1199px;
	margin: 0 auto;
}

.un_bm_ventilation_layout .un_bm_vl_environment_inner {
	max-width: 960px;
	margin: 0 auto;
	background: #fff;
}

.un_bm_ventilation_layout .un_bm_vl_environment_list {
	width: 100%;
}

.un_bm_ventilation_layout .un_bm_vl_environment_row {
	display: flex;
	padding-top: 20px;
}

.un_bm_ventilation_layout .un_bm_vl_environment_row:first-child {
	margin-top: 29px;
	padding-top: 32px;
	border-top: 1px solid #a72126;
}

.un_bm_ventilation_layout .un_bm_vl_environment_th {
	font-size: 18px;
	max-height: 152px;
	font-weight: 400;
	color: #000000;
	letter-spacing: 0.04em;
	flex-shrink: 0;
	background: #f8f8f8;
	padding: 20px 15px;
	display: flex;
	align-items: center;
	justify-content: center;
	text-align: center;
}

.un_bm_ventilation_layout
	.un_bm_vl_environment_row:nth-child(2)
	.un_bm_vl_environment_th {
	writing-mode: vertical-rl;
	text-orientation: mixed;
}

.un_bm_ventilation_layout .un_bm_vl_environment_td {
	font-size: 18px;
	color: #000000;
	letter-spacing: 0.04em;
	line-height: 1.8;
	padding: 12px 35px;
	flex: 1;
	margin: 0;
}

.un_bm_ventilation_layout
	.un_bm_vl_environment_row:nth-child(2)
	.un_bm_vl_environment_td {
	padding: 0px 35px;
}

.un_bm_ventilation_layout .un_bm_vl_environment_note {
	font-size: 15px;
}

.un_bm_ventilation_layout .un_bm_vl_br_sp {
	display: none;
}

.un_bm_ventilation_layout .un_bm_vl_environment_spec {
	display: inline-block;
   margin-top: 2px;
}

/* -----------------------------------------------
   Responsive: 1024px以下
----------------------------------------------- */
@media screen and (max-width: 1024px) {
	.un_bm_ventilation_layout .un_bm_vl_hero_title {
		font-size: 40px;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro {
		padding: 60px 40px 80px;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro_heading {
		font-size: 34px;
	}

	.un_bm_ventilation_layout .un_bm_vl_section_heading {
		font-size: 30px;
	}
}

/* -----------------------------------------------
   Responsive: 768px以下（SP）
----------------------------------------------- */
@media screen and (max-width: 768px) {
	.un_bm_ventilation_layout .un_bm_vl_hero {
		min-height: 105px;
	}

	.un_bm_vl_section_wrapper {
		background-color: #fff;
		padding: 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_hero_title {
		font-size: 26px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step {
		width: 100%;
		max-width: none;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_body {
		gap: 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_img {
		margin-bottom: 36px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_text {
		margin-bottom: 31px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_note--sub {
		margin-bottom: 18px;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro_label {
		display: none;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro {
		padding: 40px 27px 45px 28px;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro_heading {
		font-size: 22px;
		line-height: 1.5;
		letter-spacing: 0;
		margin-bottom: 30px;
	}

	.un_bm_ventilation_layout .un_bm_vl_intro_desc {
		padding: 0 2px;
		font-size: 16px;
		line-height: 2;
		letter-spacing: 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_section_heading {
		font-size: 20px;
		line-height: 1.3;
		margin-bottom: 27px;
	}

	.un_bm_ventilation_layout .un_bm_vl_howto {
		padding: 0px 20px;
	}

	.un_bm_ventilation_layout .un_bm_vl_steps {
		margin-top: 35px;
		flex-direction: column;
		gap: 32px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_arrow {
		flex: none;
		width: 100%;
		justify-content: center;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_arrow svg {
		transform: rotate(90deg);
		width: 44px;
		height: 60px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_title {
		font-size: 20px;
		padding: 20px 0;
		line-height: 1.8;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_text {
		margin-top: 15px;
		font-size: 18px;
	}

	.un_bm_ventilation_layout .un_bm_vl_features_grid {
		grid-template-columns: 1fr;
		gap: 62px;
		margin: 62px 0 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_title {
		font-size: 20px;
		margin: 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_text {
		font-size: 16px;
		margin: 36px 0 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_th {
		width: fit-content;
		display: inline-flex;
		font-size: 18px;
		padding: 0;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_th:nth-child(1) {
		width: 60px;
		height: 32px;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_row:nth-child(2) {
		gap: 8px;
	}

	.un_bm_ventilation_layout
		.un_bm_vl_environment_row:nth-child(2)
		.un_bm_vl_environment_th {
		width: 108px;
		height: 32px;
		writing-mode: horizontal-tb;
	}

	.un_bm_ventilation_layout
		.un_bm_vl_environment_row:nth-child(2)
		.un_bm_vl_environment_td,
	.un_bm_ventilation_layout .un_bm_vl_environment_td {
		padding: 0;
		font-size: 14px;
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_badge,
	.un_bm_ventilation_layout .un_bm_vl_step_num {
		font-size: 20px;
		top: -22px;
		width: 44px;
		height: 44px;
	}

	.un_bm_vl_section_wrapper .un_bm_vl_features {
		margin: 50px 0 0;
		padding: 0 20px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step {
		padding: 20px 17px 39px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step:nth-child(odd) {
		margin-top: 22px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_note--sub,
	.un_bm_ventilation_layout .un_bm_vl_step_note--caution {
		font-size: 14px;
		line-height: 1.8;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_header {
		margin-bottom: 35px;
	}

	.un_bm_ventilation_layout .un_bm_vl_step_arrow {
		position: relative;
		width: 53px;
		top: 0;
		transform: translate(-50%, 0);
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_card {
		max-width: none;
		width: 100%;
		padding: 20px 17px 39px;
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_card:nth-child(odd),
	.un_bm_ventilation_layout .un_bm_vl_feature_card:nth-child(even) {
		justify-self: center;
	}

	.un_bm_vl_section_wrapper .un_bm_vl_environment {
		margin: 0;
		padding: 40px 30px 25px;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_row {
		flex-direction: column;
		gap: 10px;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_row:nth-child(1) {
		padding-top: 35px;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_row:nth-child(2) {
		padding-top: 37px;
	}

	.un_bm_ventilation_layout .un_bm_vl_environment_note {
		font-size: 14px;
	}

	.un_bm_ventilation_layout .un_bm_vl_br_sp {
		display: inline;
	}

	.un_bm_ventilation_layout .un_bm_vl_feature_img {
		margin: 40px auto 0;
		width: 100%;
		max-width: none;
		height: auto;
	}
}