@charset "utf-8";

html {
	font-size: 62.5%;
	word-break: break-word;
}

body {
	font-size: 1.4rem;
	line-height: 1.5;
	font-family: "游明朝", YuMincho, "ヒラギノ明朝 ProN W3", "Hiragino Mincho ProN", "HG明朝E", "ＭＳ Ｐ明朝", serif;
	color: #232323;
}

h1,
h2,
h3,
h4,
h5,
h6 {
	margin: 0;
}

a {
	text-decoration: none;
}

img {
	border: 0;
	max-width: 100%;
}

.inner {
	width: 90%;
	position: relative;
	max-width: 1100px;
	margin: 0 auto;
}

.clear:after {
	display: block;
	content: "clear";
	width: 0;
	height: 0;
	clear: both;
	overflow: hidden;
	visibility: hidden;
}

.fade {
	-webkit-transition: .3s ease-in-out;
	-moz-transition: .3s ease-in-out;
	-o-transition: .3s ease-in-out;
	transition: .3s ease-in-out;
}

/* -------------------- header -------------------- */

header {
	width: 100%;
	top: 0;
	left: 0;
	z-index: 1000;
	position: sticky;
	background-color: #1881b9;
	color: #FFFFFF;
	border-bottom: 6px solid #282728;
}

header .inner {
	position: relative;
	display: flex;
	padding: 30px 0;
	align-items: center;
}

.logo {
	width: 107px;
}

.logo a {
	width: 100%;
	display: block;
	position: relative;
}

.logo a img {
	display: block;
}

.ttl_h1{
	font-size: 4rem;
	margin-left: 25px;
}

/* -------------------- footer -------------------- */
footer {
	width: 100%;
	background-color: #eeeeee;
	padding: 40px 0;
}

.footer_tit {
	font-size: 2.4rem;
	font-weight: bold;
	color: #1881b9;
}

.footer_nav {
	margin: 15px auto 30px auto;
	font-size: 1.6rem;
	line-height: 1.75;
	font-weight: bold;
}
.footer_nav a{
	color: #232323;
}
.footer_link{
	border-top: 1px solid #222222;
	padding-top: 10px;
	padding-bottom: 20px;
}
.footer_link a{
	color: #232323;
	text-decoration: underline;
}
.copyright{
	text-align: center;
	font-size: 1.4rem;
}

.pagetop {
	display: none;
	position: fixed;
	width: 35px;
	height: 35px;
	border-radius: 50%;
	background-color: #FFFFFF;
	border: 3px solid #1881b9;
	right: 100px;
	bottom: 100px;
	z-index: 999;
}

.pagetop:hover {
	transform: translateY(-10px);
}

.pagetop img {
	display: block;
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	right: 0;
	margin: auto;
}

@media only screen and (max-width:1200px) {

	.fade {
		-webkit-transition: none;
		-moz-transition: none;
		-o-transition: none;
		transition: none;
	}
	
	/* -------------------- header -------------------- */

	.ttl_h1{
		font-size: 3.6rem;
	}
}

@media only screen and (max-width:1024px) {

	/* -------------------- header -------------------- */

	header {
		border-bottom: 6px solid #282728;
	}

	header .inner {
		padding: 20px 0;
	}

	.ttl_h1{
		font-size: 3.2rem;
		margin-left: 20px;
	}
	.ttl_h1 br{
		display: none;
	}

	/* -------------------- footer -------------------- */
	.pagetop {
		right: 50px;
		bottom: 50px;
	}
}

@media only screen and (max-width:768px) {
	/* -------------------- header -------------------- */

	header {
		border-bottom-width: 4px;
	}

	.logo {
		width: 80px;
	}

	.ttl_h1{
		font-size: 2.6rem;
	}

	/* -------------------- footer -------------------- */

	.footer_tit {
		font-size: 2rem;
	}

	.footer_nav {
		width: 100%;
	}

	.pagetop {
		border-width: 2px;
		right: 20px;
		bottom: 60px;
	}
}

@media only screen and (max-width: 480px) {
	/* -------------------- header -------------------- */

	header .inner {
		padding: 15px 0;
	}

	.ttl_h1{
		font-size: 1.8rem;
	}

	/* -------------------- footer -------------------- */

	.footer_tit {
		font-size: 1.8rem;
	}
	.footer_nav{
		font-size: 1.4rem;
	}
	.copyright{
		font-size: 1.2rem;
	}

	.pagetop {
		width: 30px;
		height: 30px;
	}

}