#main.p_ttl {
  background-image: url('../img/thinknow_ttl_bg.jpg');
  background-position: center center;
}
.tnc_lead {
	color: #333b4d;
	font-weight: bold;
}
.ga h2 {
	color: #333b4d;
	font-weight: bold;
}
#nav {
  background: #f5f5f6;
  overflow: hidden;
}
.anchor li {
  float: left;
  background-image: url('../img/arr_30_down.png');
  background-repeat: no-repeat;
  background-position: left center;
  background-size: 15px 15px;
}
.ie8 .anchor li {
  background-image: url('../img/arr_15_down.png');
}
.anchor a {
  color: #0cb4c8;
  font-weight: bold;
}
#s_history {
  background: #f5f5f6;
}
#s_history .box_history {
  border-left: 1px solid #333b4d;
}
#s_history .box_each {
  position: relative;
}
#s_history h3 {
	color: #0cb4c8;
	font-weight: bold;
	position: relative;
}
#s_history h3:before {
	content: '';
	height: 1px;
	background-color: #333b4d;
	position: absolute;
}
#s_history h3:after {
	content: '';
	width: 7px;
	height: 7px;
	border-radius: 3.5px;
	background-color: #333b4d;
	position: absolute;
}
#s_history h3 .num {
	font-family: 'din-condensed-web', sans-serif;
	font-style: normal;
	display: inline-block;
	vertical-align: middle;
	font-weight: 400;
}
#s_history .txt a {
  color: #0cb4c8;
}

@media screen and (min-width: 601px) {
	
	#main.p_ttl h1 img {
		width: 342px;
		height: auto;
	}
	.tnc_lead .inr {
		padding: 50px 0 60px;
	}
	.tnc_lead {
	  font-size: 1.8em;
	  line-height: 1.71;
	}
	.ga h2 {
		font-size: 3em;
	}

	#nav .inr {
	  padding: 48px 0;
	}
	#nav .inr ul li a {
	  font-size: 1.4em;
	}
	.anchor {
	  overflow: hidden;
	}
	.anchor li {
	  padding-left: 20px;
	  margin-right: 40px;
	}
	.anchor a {
	  font-size: 1.4em;
	  line-height: 15px;
	  display: inline-block;
	}

	#s_purpose .inr {
	  padding: 70px 0;
	}
	#s_purpose h2 {
	  margin-bottom: 30px;
	}
	#s_purpose .box_purpose .txt {
	  width: 630px;
	  float: left;
	}
	#s_purpose .box_purpose .txt p {
	  margin-bottom: 25px;
	  font-size: 1.4em;
	  line-height: 1.71;
	}
	#s_purpose .box_purpose .pic {
	  width: 297px;
	  float: right;
	}

	#s_history .inr {
	  padding: 70px 0;
	}
	#s_history h2 {
	  margin-bottom: 50px;
	}
	#s_history .box_history {
	  width: 850px;
	  margin-left: 4px;
	  padding-top: 20px;
	  padding-left: 60px;
	}
	#s_history .box_each {
	  margin-bottom: 35px;
	}
	#s_history h3 {
	  margin-bottom: 15px;
		font-size: 2.2em;
	}
	#s_history h3:before {
		width: 45px;
		left: -60px;
		top: 12px;
	}
	#s_history h3:after {
		left: -64px;
		top: 9px;
	}
	#s_history h3 .num {
		font-size: 32px;
		margin-top: -2px;
	}
	#s_history .txt {
	  width: 545px;
	  float: left;
	  font-size: 14px;
	  line-height: 24px;
	}
	#s_history .txt span {
	  font-size: 12px;
	  line-height: 18px;
	  display: block;
	}
	#s_history .pic {
	  width: 270px;
	  float: right;
	}
	
}

@media screen and (max-width: 600px) {
	
	#main.p_ttl h1 img {
		width: 200px;
		height: auto;
	}
	
	.tnc_lead .inr {
		padding: 30px 5%;
	}
	.tnc_lead p {
	  font-size: 1.2em;
	  line-height: 1.67;
	}
	.tnc_lead p br {
		display: none;
	}
	.ga h2 {
		font-size: 1.6em;
	}

	#nav .inr {
	  padding: 20px 5%;
	}
	#nav .anchor {
		margin-bottom: -10px;
	}
	#nav .anchor li {
		margin-bottom: 10px;
	}
	.anchor {
	  overflow: hidden;
	}
	.anchor li {
	  padding-left: 20px;
	  margin-right: 20px;
	}
	.anchor a {
	  font-size: 1.2em;
	  line-height: 15px;
	  display: inline-block;
	}

	#s_purpose .inr {
	  padding: 30px 5%;
	}
	#s_purpose h2 {
	  margin-bottom: 20px;
	}
	#s_purpose .box_purpose .txt p {
	  margin-bottom: 15px;
	  font-size: 1.2em;
	  line-height: 1.71;
	}
	#s_purpose .box_purpose .pic {
		padding-top: 5px;
		text-align: center;
	}
	#s_purpose .box_purpose .pic img {
		max-width: 100%;
		height: auto;
	}

	#s_history .inr {
	  padding: 30px 5%;
	}
	#s_history h2 {
	  margin-bottom: 20px;
	}
	#s_history .box_history {
	  padding-top: 20px;
	  padding-left: 20px;
	}
	#s_history .box_each {
	  margin-bottom: 35px;
	}
	#s_history .box_each:last-child {
		margin-bottom: 0;
	}
	#s_history h3 {
	  margin-bottom: 5px;
		font-size: 1.8em;
	}
	#s_history h3:before {
		width: 15px;
		left: -20px;
		top: 9px;
	}
	#s_history h3:after {
		left: -24px;
		top: 6px;
	}
	#s_history h3 .num {
		font-size: 24px;
		margin-top: -3px;
	}
	#s_history .txt {
	  font-size: 1.2em;
	  line-height: 1.71;
	}
	#s_history .y2017 .txt {
	  float: none;
	  width: auto;
	}
	#s_history .txt span {
	  font-size: 12px;
	  line-height: 18px;
	  display: block;
	}
	#s_history .pic {
		width: 100%;
		margin-top: 20px;
	}
	#s_history .pic img {
		max-width: 100%;
		height: auto;
	}

}