@charset "UTF-8";

/* maintenance
---------------------------------------------------------------------------*/
.txt-img {
	width: 910px;
	margin-bottom: 70px;
}

.txt-img .txt {
	padding-left: 60px;
}

.txt-img .txt h3 {
	font-size: 22px;
}


/* .sec-maintenance
---------------------------------------------------------------------------*/
.sec-maintenance {
	width: 910px;
	margin: 0 auto 90px;
}

.sec-maintenance > figure {
	margin-bottom: 100px;
}

.sec-maintenance .en {
	font-size: 14px;
	font-weight: 400;
	letter-spacing: 0.1em;
}

.sec-maintenance h2 {
	font-size: 22px;
}


/* .sec-detail
---------------------------------------------------------------------------*/
.sec-detail {
	width: 910px;
	margin: 0 auto 170px;
}

.sec-detail .inner2 {
	position: relative;
	-webkit-box-align: start;
	align-items: flex-start;
}

.sec-detail .inner2 .txt h3 {
	margin: 0 0 16px 1px;
}

/* .biofilm
------------------------------------*/
.biofilm {
	position: absolute;
	bottom: 0;
	left: 0;
	display: -webkit-box;
	display: flex;
	-webkit-box-align: end;
	align-items: flex-end;
	width: 455px;
}

.biofilm figure {
	width: 216px;
	min-width: 216px;
}

.biofilm .txt-s {
	padding: 0 5px 0 25px;
}

.biofilm h4 {
	margin-bottom: 20px;
	font-size: 14px;
	letter-spacing: 0.15em;
}

.biofilm h4 i {
	display: inline-block;
	margin-right: 8px;
	transform: translateY(5px);
}

.txt-img .txt .biofilm p {
	font-size: 12px;
	line-height: 1.9;
}

/* .pmtc
------------------------------------*/
.pmtc {
	position: relative;
	margin-top: 70px;
}

.pmtc h4 {
	margin-bottom: 18px;
}

.pmtc h4 em {
	display: block;
	margin-bottom: 20px;
	font-size: 18px;
	font-weight: 300;
	line-height: 1.6;
	letter-spacing: 0.07em;
}

.pmtc h4 strong {
	font-size: 19px;
	letter-spacing: 0.18em;
}

.pmtc h4 strong span {
	padding-left: 8px;
	color: #7A6856;
	font-size: 36px;
	font-weight: 300;
}

.pmtc h5 {
	position: absolute;
	top: -45px;
	right: 30px;
}

.txt-img .txt .pmtc p {
	font-size: 13px;
	line-height: 1.9;
	letter-spacing: 0.08em;
}


/* .sec-optimal
---------------------------------------------------------------------------*/
.sec-optimal {
	background-color: #FFFFFF;
	width: 100%;
}

.sec-optimal h2 {
	padding: 35px 0;
	color: #FFFFFF;
	text-align: center;
}

.sec-optimal h2 em {
	display: block;
	margin-bottom: 18px;
	font-size: 15px;
	letter-spacing: 0.25em;
}

.sec-optimal h2 strong {
	font-size: 22px;
	letter-spacing: 0.2em;
}

.optimal-list {
	display: -webkit-box;
	display: flex;
	flex-wrap: wrap;	
}

.optimal-list .inner {
	display: -webkit-box;
	display: flex;
	flex-wrap: wrap;	
	box-sizing: border-box;
	border-right: 1px solid #F2EFE2;
	border-bottom: 1px solid #F2EFE2;
	width: 50%;
}

.optimal-list .inner:nth-child(odd) {
	-webkit-box-pack: end;
	justify-content: flex-end;
}

.optimal-list .inner:nth-child(even) {
	-webkit-box-pack: start;
	justify-content: flex-start;
}

.optimal-list .inner-s {
	position: relative;
	display: -webkit-box;
	display: flex;
	flex-wrap: wrap;
	box-sizing: border-box;
	min-height: 440px;
	padding: 92px 50px 50px;
}

.optimal-list h3 {
	position: absolute;
	top: 50px;
	left: 50px;
	margin-bottom: 18px;
}

.optimal-list figure {
	width: 216px;
	min-width: 216px;
}

.optimal-list .txt {
	box-sizing: border-box;
	width: calc(100% - 216px);
	max-width: 320px;
	padding-left: 35px;
}

.optimal-list h4 {
	position: absolute;
	bottom: 50px;
	left: 50px;
}

.optimal-list h4 strong {
	display: block;
	margin-bottom: -3px;
	font-size: 18px;
	line-height: 1.7;
	letter-spacing: 0.15em;
}

.optimal-list h4 em {
	display: block;
	margin-top: 11px;
	font-size: 13px;
	letter-spacing: 0.2em;
}

.optimal-list p {
	margin-bottom: 15px;
	text-align: justify;
}

.optimal-list .btn-link {
	margin: 25px 0 0 -4px;
}

.optimal-list .tel-wrap {
	margin-top: 30px;
	white-space: nowrap;
}

.optimal-list .tel-wrap h5 {
	margin-bottom: 8px;
	font-size: 13px;
	line-height: 1.6;
	letter-spacing: 0.15em;
}

.optimal-list .tel-wrap .tel {
	font-size: 23px;
	font-weight: 300;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}


/* media query
---------------------------------------------------------------------------*/
/*
@media (min-width: 1600px) {
	.optimal-list p {
		font-size: 15px;
	}
}
*/

@media (max-width: 1380px) {
	.optimal-list figure {
		width: 180px;
		min-width: 180px;
	}
	.optimal-list figure img {
		width: 100%;
		height: auto;
		-webkit-backface-visibility: hidden;
	}
	.optimal-list .txt {
		width: calc(100% - 180px);
	}
}