@charset "utf-8";
/* CSS Document */

html,
html * {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	font-family: Arial, Helvetica, Verdana, sans-serif;
}

header {
	padding: 20px;
}

body {
	margin-left: auto;
	margin-right: auto;
}

footer {
	padding: 20px 30px;
	/*background-color: aquamarine*/
}

h1 {
    text-align: center;
    padding: 8px;
}

h2 {
	font-size: 18px;
	margin: 15px 0px 10px 20px;
}

h3 {
	font-size: 15px;
	margin: 10px 0px 0px 40px;
}

ol {
	margin: 10px 50px;
}

ol.lv2 {
	font-size: 18px;
	font-weight: bold;
	margin: 15px 0px 10px 70px;
}

ul {
	margin: 0px 50px;
}

ul.research-items {
	margin: 0px 0px;
}

img.face-photo {
	width: 150px;
	margin: 0px 10px;
	float: left;
}

img.abst-image {
	width: 300px;
	margin-left: auto;
	margin-right: auto;
	display: block;
}

p.abst {
	margin: 20px;
}

p.abst:after {
	content: "";
	display: block;
	clear: both;
}

footer {
	background-color: #2D56A0;
}

p.footer {
    color: lightgray;
}

p.footer a {
	color: lightgray;
}

.language {
	float: right;
}

.language:after {
	clear: both;
}

.logo {
    text-align: center;
    font-size: 32px;
}

.logo a {
	color: #2D56A0;
	text-decoration: none;
}

.nav ul {
	list-style-type: none;
}

.nav ul {
    text-align: center;
}

.nav ul li a {
	font-size: 20px;
    text-decoration: none;
    color: #2F322A;
    display: block;
    padding: 12px;
}

.top-news {
    background-color: PaleTurquoise;
    color: black;
    margin-top: 0px;
	padding-top: 10px;
}

.top-news ul {
	padding: 20px 40px;
}

.top-news li {
	padding: 5px;
}

.top-news ul li a {
	text-decoration: none;
	color: darkblue;
}

.col {
	width: 100%;
}

.row {
	padding: 10px 0px;
}

.row:after {
	content: "";
	display: block;
	clear: both;
}

.beige-box {
	background-color: beige;
	padding: 20px 30px;
}

.white-box {
	background-color: white;
	padding: 20px 30px;
}

.green-box {
	background-color: lightgreen;
	padding: 20px 30px;
}

.red-box {
	background-color: #F7ADA4;
	padding: 20px 30px;
}

.research-category h2 {
	text-align: center;
	font-size: 24px;
	margin-bottom: 20px;
}

.research-category ul {
	list-style-type: none;
}

.research-category ul li {
	text-align: center;
	padding: 20px 0px;
}

.research-category ul li a {
	text-decoration: none;
	border: thin black solid;
	padding: 8px 20px;
	border-radius: 30px;
}

.accordion label {
    position: relative;
    display: block;
	line-height: 1em;
    background-color: #2D56A0;
    padding: 20px 20px 20px 60px;
    margin: 10px 0px;
    color: white;
    cursor: pointer;
    font-weight: bold;
	font-size: 20px;
}

.accordion .accordion-content {
	opacity: 0;
	display: none;
	background-color: #fff;
	padding: 15px;
}

input[type=checkbox]:checked~ .accordion-content {
	display: block;
	opacity: 1;
}

input[type=checkbox] {
	display: none;
	position: relative;
}

.accordion label:before {
    position: absolute;
    left: 20px;
    top: 0;
    display: block;
    /*width: 3em;
    height: 3em;*/
    line-height: 3;
    text-align: center;
    -webkit-transition: all .35s;
    -o-transition: all .35s;
    transition: all .35s;
}

input[type=checkbox] + label:before {
	content: "＋";
	font-size: 20px;
}

input[type=checkbox]:checked + label:before {
	transform: rotate(45deg);
}

.accordion-content li{
	margin-left: 70px;
}


summary {
	list-style-type: none;
    background-color: #2D56A0;
    padding: 20px 20px 20px 20px;
    /*margin: 10px 0px;*/
    color: white;
    cursor: pointer;
    font-weight: bold;
	font-size: 20px;
}
summary::-webkit-details-marker {
	display: none;
}
summary:before {
	display: inline-block;
	width: 20px; 
	margin-right: 10px;
    text-align: center;
	content: "＋";
	font-size: 20px;
}
details {
    margin-bottom: 20px;
}
details[open] summary:before,
summary details[open] summary:before {
	transform: rotate(45deg);
}



/* For tablets */
@media (min-width: 768px){
	body {
		max-width: 778px;
	}
	
	.nav ul li {
		display: inline-block;
	}
	
	.nav ul {
		text-align: center;
	}
	
	.col {
		width: 50%;
		float: left
	}
	
	.research-category h2 {
		font-size: 20px;
		margin-bottom: 30px;
	}

	img.abst-image {
		margin-left: 30px;
		margin-right: 30px;
		float: left;
	}
}

/* For Desktop PCs */
@media (min-width: 1024px){
/*	header {
		padding-bottom: 50px;
	}*/

	.head::after {
		content: "";
  		display: block;
  		clear: both;
	}	
	
	body {
		max-width: 1000px;
	}
	
	.logo {
		width: 50%;
		float: left;
	}
	
	.nav {
		width: 50%;
		float: right;
	}
	
	.col {
		width: 33.33%;
		float: left
	}
}