@charset "utf-8";
/* CSS Document */
*{
	margin:0;
	padding:0;
	text-decoration:none;
	list-style:none;
	font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", Meiryo, "sans-serif";
    font-size: 18px;
	color: #373737;
}

html {
    height: 100%;
}

img {
	vertical-align:top;
}

body {
    min-height: 100%;
    display: flex;
    flex-direction: column;
    background-color: #EFFCFF;
}

.contents {
    flex: 1;
}

/* header */
header {
    background-color: #003571;
}

.header_nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    
    width: 80%;
    margin: 0 auto;
}

.logo img {
    padding: 10px 0;
}

.nav ul {
    display: flex;
}

.nav ul li a {
    position: relative;
    
    padding: 0 10px;
    color: #FFFFFF;
}

.nav ul li a::after {
    position: absolute;
    
    left: 0;
    content: '';
    width: 100%;
    height: 2px;
    background: #FFFFFF;
    bottom: 20px; /*アンダーラインが現れ始める位置（aタグの下辺からの高さ）*/
    opacity: 0;
    visibility: hidden;
    transition: 0.3s;
}

.nav ul li  a:hover::after {
    visibility: visible;
    bottom: -5px; /*アニメーションが止まる位置*/
    opacity: 1;
}

/* top-img */
.top-img {
    width: 100%;
    background-image: url( "../images/top-img.jpg"); /* 画像のURLを指定してください */
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    aspect-ratio: 16 / 2;
}

.heading-img img {
    width: 100%;
    height: auto;
    display: block;
    aspect-ratio: 16 / 2;
}


/* wrapper */
#wrapper {
    margin: 10px auto;
    width: 80%;
}

.heading{
    margin-bottom: 10px;
	width:100%;
	text-align:center;
}
.heading h1 {
	position:relative;
	display:inline-block;
    font-size: 40px;
    font-family: YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";
    color: #6cc7c8;
}
.heading h1:before, 
.heading h1:after {
	content:"";
	display:block;
	width:50px;
	height:1px;
	border:1px solid #6cc7c8;
    background-color: #6cc7c8;
	position:absolute;
	top:50%;
	margin-top:-2px;
}

.heading h1:before {
    left:-90px;
}

.heading h1:after {
    right:-90px;
}

/*footer*/
footer {
    width: 100%;
    background-color: #dbe4ed;
}

/*footer_top*/
.footer_top {
    display: flex;
    justify-content: space-between;
    
    margin: 0 auto;
    padding: 10px 0;
    width: 80%;
}

.footer_top h1 {
    font-size: 2em;
    font-family: YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";
    color: #003571;
}

.address ul li,
.link_list ul li a {
    color: #003571;
}

.link_list {
    display: flex;
}

.link_list ul li a {
    display: block;
    padding: 5px 20px;
}

.link_list ul li a:hover {
    color: #85BFFF;
}

.bold {
    color: #003571;
    font-weight: bold;
}

.disc {
    display: block;
    margin-left: 10px;
}

/*span*/
.none {
    user-select:none
}

/*footer_bottom*/
.footer-bottom {
    margin: 0;
    padding: 0;
    background-color: #003571;
}

.footer-bottom p {
    margin-bottom: 0;
    padding: 10px 0;
    color: #FFFFFF;
    text-align: center;
    font-size: 0.8em;
}