#contents {
	position: static;
	background: #fff;
}
.mincho {
	font-family: 'ヒラギノ明朝 ProN','Hiragino Mincho ProN','Yu Mincho Light','YuMincho','Yu Mincho','游明朝体','ＭＳ 明朝', 'MS Mincho',sans-serif;
}
#mainImage {
	width: 100%;
	height: 720px;
	background: url(../images/about/mainImage_bg.jpg) center no-repeat;
	margin-bottom: 100px;
}
#mainImage .mainImage_wrap {
	position: relative;
	height: 640px;
}
#mainImage .main_logo {
	position: absolute;
	top: 150px;
	left: 0;
	right: 0;
	margin: auto;
}
#mainImage h2 {
	position: absolute;
	bottom: 30px;
	left: 0;
	right: 0;
	margin: auto;
	font-size: 48px;
	text-align: center;
	letter-spacing: 0.1em;
	color: #fff;
	text-shadow: 0 2px 5px rgba(0, 0, 0, .5);
}
#about {
	padding-bottom: 170px;
}
#about .about_box {
	width: 1077px;
	margin: 0 auto 80px;
}
#about .about_box h3 {
	font-size: 30px;
	text-align: center;
	line-height: 130%;
	margin-bottom: 45px;
}
#about .about_box h3 br {
	display: none;
}
#about .text_box {
	width: 1010px;
	margin: 0 auto 60px;
}
#about .text_box p {
	font-size: 18px;
	line-height: 180%;
}
#about .about_bg {
	margin-bottom: 80px;
}
#about .about_bg img {
	width: 100%;
	min-width: 1077px;
}
.bottom_bg img {
	width: 100%;
	min-width: 1077px;
	margin-bottom: -60px;
}
footer {
	padding-top: 70px;
}


@media screen and (max-width:1123px){

	#mainImage {
		height: 500px;
		margin-bottom: 45px;
		background-size: cover;
	}
	#mainImage .mainImage_wrap {
		height: 500px;
	}
	#mainImage .main_logo {
		top: 18%;
	}
	#mainImage h2 {
		font-size: 30px;
		bottom: 10%;
	}
	#about {
		padding-bottom: 0;
	}
	#about .about_box {
		width: 100%;
		margin-bottom: 50px;
		padding: 0 4%;
	}
	#about .about_box h3 {
		font-size: 20px;
		margin-bottom: 30px;
	}
	#about .about_box h3 br {
		display: block;
	}
	#about .text_box {
		width: 100%;
		margin-bottom: 20px;
	}
	#about .text_box p {
		font-size: 14px;
	}
	#about .about_box img {
		width: 100%;
	}
	#about .about_bg {
		margin-bottom: 40px;
	}
	#about .about_bg img {
		min-width: 100%;
	}
	.bottom_bg img {
		min-width: 100%;
		margin-bottom: -20px;
	}
	footer {
		padding-top: 0;
	}

}

@media screen and (max-width:952px){

	#mainImage .main_logo {
		top: 12%;
	}
	#mainImage h2 {
		bottom: 10%;
	}

}

@media screen and (max-width:580px){

	#mainImage {
		height: 300px;
		margin-bottom: 45px;
		background-size: cover;
	}
	#mainImage .mainImage_wrap {
		height: 300px;
	}
	#mainImage .main_logo {
		max-width: 160px;
		top: 12%;
	}
	#mainImage h2 {
		font-size: 18px;
		bottom: 10%;
	}

}