body {
	margin: 0;
	padding: 0;
	color: #000000;
}

body img {
	border: 0;
	vertical-align: bottom;/*余白削除*/
}


#st_wrapper a { 
	text-decoration: none;
}

#st_wrapper img {
	width: 100%;
	vertical-align: bottom;
}

#st_wrapper {
	text-align: center;
	max-width: 1000px;
	width: 100%;
	margin:0 auto;
	padding: 0;
	font-family: 'Noto Sans JP', sans-serif;
	font-weight: 400;
	letter-spacing: 0.045em;
	color: #000000;
}

#st_wrapper p{
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 13px;
	font-weight: 100;
	line-height: 1.6em;
    margin: 3% 0;
	text-align: left;
}


#st_wrapper h1 {
	font-size: 28px;
	font-weight: 600;
	line-height: 2.0em;
	letter-spacing: 0.01em;
	margin:0 auto 3%;
	padding: 0;
	text-align: center;
	color: #000;
}

#st_wrapper h1 span {
	padding: 8px 40px;
	border: solid 2px #000;
	border-radius: 50px;
}

#st_wrapper h2 {
	font-family: 'Roboto', sans-serif;
	font-size: 36px;
	font-weight: 600;
	line-height: 1.6em;
	letter-spacing: 0.01em;
	margin: 1% auto;
	text-align: center;
}

#st_wrapper h3 {
	font-family: 'Roboto', sans-serif;
	font-size: 20px;
	font-weight: 500;
	line-height: 1.6em;
	letter-spacing: 0.01em;
	margin: 1% auto 2%;
	text-align: center;
	color: #e8380d;
}

#st_wrapper h4 {
	font-family: 'BIZ UDGothic', sans-serif;
	font-size: 20px;
	font-weight: 700;
	line-height: 1.4em;
	letter-spacing: 0.08em;
	margin: 2% auto 0;
	text-align: center;
}


.top_box {
	background-color: #39393a;
	padding: 5px 10px;
	text-align: right;
	font-size: 18px;
	color: #FFFFFF;
	display: flex;
	justify-content: flex-end
}

.sub {
	background-color: #fff;
    width: 170px;
	padding: 3px 10px;
    margin: 1% 0;
	text-align: center;
	font-size: 14px;
	color: #39393a;
    border-radius: 20px;
}

.visual {
	width: 100%;
	margin: 0;
	padding: 0;
	position: relative;
}

.tt01 {
	font-family: 'BIZ UDGothic', sans-serif;
	font-size: 43px;
	line-height: 1.5em;
	letter-spacing: 0.145em;
	font-weight: 600;
	text-align: left;
	writing-mode: vertical-rl;
	color: #fff;
	position: absolute;
	top: 10%;
	left: 7%;
	z-index: 10;
}

.tt02 {
	width: 40%;
	position: absolute;
	bottom: 5%;
	right: 5%;
	z-index: 10;
}

.lead {
	font-family: 'BIZ UDGothic', sans-serif;
    text-align: center;
    font-size: 17px;
    line-height: 1.8em;
    padding: 0;
    margin: 0 auto 5%;
}


.box_material {
    background-image: url("../images/material_airthermal.jpg");
    background-size: cover;
    background-repeat: no-repeat;
    position: relative;
    margin: 0 auto;
    padding: 3%;
}

.p_box {
	margin: 4% 0 2%;
	display: flex;
	align-items: center;
}


.box_beige {
	padding: 4% 10% 4%;
	text-align: center;
    background: rgb(240,227,210);
	background: linear-gradient(180deg, rgba(240,227,210,1) 0%, rgba(249,244,239,1) 100%);
}

.box_gry .txt01 {
	text-align: left;
}


.box_w {
	padding: 6% 2% 4%;
	background-color:#FFFFFF;	
	text-align: center;
}

.box_bder {
    margin: 6% 5%;
    padding: 3% 4%;
	border: solid 3px #e8380d;
    border-radius: 40px;
}


.circle{
  display: inline-block;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: #FFFFFF;
  text-align:center;
  line-height: 160px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: #0097D8;	
}



.txt01 {
	font-family: 'BIZ UDGothic', sans-serif;
	font-size: 20px;
	line-height: 1.6em;
	font-weight: 500;
	margin: 2% auto ;
	text-align: left;
}


.txt02 {
	font-family: 'BIZ UDGothic', sans-serif;
	font-size: 28px;
	line-height: 1.6em;
	font-weight: 600;
	margin: 2% auto;
	text-align: center;
}

.cap {
	font-size: 18px;
	line-height: 1.8em;
	margin: 5% auto;
	text-align: center;
}

.catch {
  display: flex;
  align-items: center; /* 垂直中心 */
  justify-content: center; /* 水平中心 */
}
.catch:before, .catch:after {
  border-top: 1px solid ;
  content: "";
  width: 8em; /* 線の長さ */
}
.catch:before {
  margin-right: 1em; /* 文字の右隣 */
}
.catch:after {
  margin-left: 1em; /* 文字の左隣 */
}

.flxbox {
	width: 90%;
	margin: 0 auto 5%;
	display: flex;
	gap: 3%;
}

.com_box {
	width: 50%;
	background-color: #fff;
	padding: 3%;
	font-size: 13px;
	line-height: 1.5em;
	color: #000000;
	text-align: left;
	border-radius: 10px;
	position: relative;
}

/*.com_box :before {
  content: "";
  position: absolute;
  right: 0;
  top: -40px;
  left: 0;
  width: 0px;
  height: 0px;
  margin: auto;
  border-style: solid;
  border: 20px solid transparent;
  border-bottom: 20px solid #fff;
}*/


/*リンク*/

.box_link {
	width: 100%;
	max-width: 600px;
	margin: 3% auto;
	display: flex;
	flex-direction: row;
	justify-content: space-around;
}


.item {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 18px;
	line-height: 1.4em;
	font-weight: 500;
	text-align: center;
}

.item img{
	width: 100%;
}


.Sml {
	font-size:11px;
	line-height:1.7em;
	text-align: center;
}

.c01 {
	color: #FFFFFF;
}

.c02 {
	color: #e8380d;
}

.c03 {
    color: #fffbc2;
}

.toTop {
	width: 30px;
	margin: 5% auto 1%;
}

.toTop img {
	width: 100%;
}

.bdr {
	border-bottom: solid 2px #0097D8;
	width: 30px;
	margin: 5% auto 6%;
}

.bdr_w {
	border: solid 8px #FFFFFF;
	box-sizing: border-box;
}

.clear {
	clear: both;
}

.MT20 {
	margin-top: 15%;
}

.w_30 {
	width: 23%;
	margin: 0 2% 0 0;
}

.w_70 {
	width: 75%;
}

.w_60 {
	width: 90%;
	max-width: 700px;
	margin: 3% auto 5%;
}


.brand_list {
	max-width:1000px;
	width:100%;
	margin:0 auto 0;
	border-top: solid 0 #000000;
}

.brand_list ul {
	padding:0;
	margin:0;
}

.brand_list li {
	width:17%;
	box-sizing:border-box;
	padding:1% 2%;
	margin:1.5%;
	float:left;
	list-style:none;
	background-color: #fff;
	border:2px solid #000;
	border-radius: 6px;
	line-height:0;
}


/* General button style (reset) */
.btn {
	border: none;
	font-family: inherit;
	font-size: 20px;
	color: inherit;
	background: none;
	cursor: pointer;
	padding: 20px 50px;
	display: inline-block;
	margin: 2% auto;
	letter-spacing: 0.15em;
	font-weight: 100;
	outline: none;
	position: relative;
	text-align: center;
	
}


/* Button 1 */
.btn-1 {
	cursor: pointer;
	padding: 15px 30px;
	display: inline-block;
	letter-spacing: 0.15em;
	font-weight: 400;
	outline: none;
	position: relative;
	width: 500px;
	font-size: 20px;
	margin: 10px auto 30px;
	background-color: #000000;
	color: #fff;
}

.btn-2 {
	border: none;
	cursor: pointer;
	display: inline-block;
	letter-spacing: 0.15em;
    font-family: 'Lato', sans-serif;
	font-weight: 400;
	outline: none;
	position: relative;
	width: 31.3%;
	margin: 1% 1% 5%;
	font-size: 26px;
	text-align: center;
	padding: 20px 0;
	color: #FFFFFF;
	background: rgb(201,47,33);
    background: linear-gradient(0deg, rgba(201,47,33,1) 10%, rgba(225,117,33,1) 100%);
	float: left;
}


.sp {
	display: none;
}

.br_pc{
	display: block;
}

.br_sp{
	display: none;
}	


@media only screen and (max-width:750px){
	
	#st_wrapper {
		width: 100%;
	}
	
	.tt01 {
		font-size: 26px;
		top: 8%;
	}
	
	.tt02 {
		width: 70%;
		right: 15%;
	}
		
	#st_wrapper img {
		width: 100%;
	}
	#st_wrapper h1 {
    	font-size: 18px;
		margin: 3% auto 4%
	}
	#st_wrapper h2 {
    	font-size: 24px;
		line-height: 1.4em;
	}
	#st_wrapper h2 span{
		font-size: 20px;
		margin: 4% auto;
	}
	#st_wrapper h3 {
    	font-size: 16px;
		margin: 0 0 1%;
	}
	#st_wrapper h4 {
    	font-size: 15px;
	}	
	
	#st_wrapper p{
		font-size: 12px;
		line-height:1.6em;
	}
    .sub {
        width: 145px;
        font-size: 12px;
        padding: 3px 5px;
    }
	.lead {
    	text-align: left;
    	font-size: 13px;
    	line-height: 1.8em;
    	padding: 0;
    	margin: 0 10px 20px;
	}
	
	.lead br {
		display: none;
	}
	
	.box_info {
		width: 100%;
        height: auto;
		padding: 8% 0;
	}
	
	.box_beige {
		padding: 7% 4% 6%;
	}
    
    .dot_box {
        margin: -8% auto 5%;
    }
    
	.p_box {
		width: 100%;
		margin: 2% 0;
	}
	
	.w_30 {
    	width: 25%;
    	margin: -2% 2% 0 0;
	}

    .box_bder {
		margin: 4% 0;
		padding: 3%;
        border: solid 2px #e8380d;
        border-radius: 20px;
    }

	.flxbox {
		width: 98%;
	}
			
	.txt01 {
		font-size: 13px;
		line-height: 1.4em;
		margin: 3% 0;
	}
	
	.txt01 br {
		display: none;
	}
	
	.txt02 {
		font-size: 17px;
	}
	
	.catch:before, .catch:after {
	  width: 4em; /* 線の長さ */
	}
	
	.com_box {
		font-size: 11px;
	}
	
	.cap {
		font-size: 12px;
	}
	
	/*リンク*/
	
	.box_link, .box_link2 {
		width: 90%;
		margin: 0 auto;
		display: block;
	}
	
	.item {
		width: 48%;
		margin: 0 1% 4%;
		float: left;
		font-size: 14px;
	}
	
	.box_link2 .item {
		width: 48%;
		margin: 0 1% 4%;
		float: left;
		font-size: 14px;
	}
	
    .brand_list li {
	    width:30.3%;
    	padding:1%;
    	margin:1.5%;
    	border:2px solid #000;
	    border-radius: 6px;
    }
    		
	.Sml {
		font-size: 10px;
		text-align: left;
	}
	.toTop {
	width: 10%;
	margin: 10% auto 1%;
	}

    
	/* Button 1 */
	.btn-1 {
		width: 60%;
		margin: 1% auto 5%;
		padding: 2%;
		font-size: 13px;
		position: relative;
	}
	.btn-2 {
		width: 31.3%;
		margin: 1% 1% 5%;
		font-size: 13px;
		text-align: center;
		padding: 10px 0;
		color: #FFFFFF;
		float: left;
	}
	
	
	.pc {
		display: none;
	}
	
	.sp {
		display: block;
	}
	
	.br_pc{
		display: none;
	}

	.br_sp{
		display: flex;
	}			
		
	
}