/* CSS Document */

html, 
html * {
	padding: 0;
	margin: 0;
	box-sizing: border-box;
	font-family: 'Arial','Meiryo UI','Hiragino Kaku Gothic ProN','ヒラギノ角ゴ ProN W3',sans-serif;
}

a:link { color: #fff; }
a:visited { color: #fff; }
a:hover { color: #ff0000; }
a:active { color: #ff8000; }

.nav-bar{
	background-color: #888888;
	color: #ffffff;
	min-height: 50px;
	vertical-align: middle;
	position: fixed;
	z-index: 2;
	width: 100%;
}

body{
    min-height: 100vh;
    display: flex;
    margin-left: auto;
    margin-right: auto;
    flex-direction: column;
    background-color: #DDDDDD;
}


main {
	padding: 20px 10px 20px 10px;
	background-color: #004400;
	color: #ffffff;
	margin-top: 50px;
}

.title{
	text-align: center;
}

.back {
	margin-top: 50px;
	margin-bottom: 10px;
	height: auto;
	text-align: center;
}

.boshu{font-size: 50px;
}

.footer{
    background-color: #004400;
    vertical-align: middle;
    text-align: center;
    color:#fff;
}

.researchhighlight{
	margin-left: 20px;
	margin-right: 20px;
}

table.prof{margin-left: auto;
	margin-right: auto;
	width: 75%;
	border-collapse: collapse;
	border: 1px solid #004400;
	background-color: #004400;
}

table.chronology{
  border-color:#888888;
  border-collapse: collapse;
}

table.chronology th{
  padding: 10px;
  width:auto;
  text-align: right;
  vertical-align: top;
}

table.chronology td{
  padding: 10px;
  width:auto;
  text-align: left;
  vertical-align: top;
}

h1 {
	font-size: 45px;
	margin-bottom: 10px;
	text-align: center;
}

h2 {
	font-size: 30px;
	font-weight: 200;
	margin-bottom: 10px;
	text-align: center;
}

h3 {
	font-size: 16px;
	font-weight: 200;
	padding-top: 50px;
	margin-bottom: 20px;
}

h4 {
	font-size: 16px;
	font-weight: 200;
	margin-top: 12px;
	text-align: center;
	vertical-align: middle;
}

p {
	font-size: 16px;
	font-weight: 400;
	margin-bottom: 35px;
}

.res-result{
	margin-left: 20px;
	margin-top: 0px;
}

.res-list{
	padding: 2px 0px;
	font-size: 18px;
}

img.research{
	width: auto;
	max-width: 100%;
	height: auto;
	vertical-align: middle;
}
img.research-cal{
	width: auto;
	max-width: 50%;
	height: auto;
	text-align: center;
}

img.memories{
	width: auto;
	max-width: 100%;
	height: auto;
	vertical-align: middle;
}

img.link {
	height: auto;
	vertical-align: middle;
}

.center{
	text-align: center;
}

.contents{
	clear: left;
	text-align: center;
	padding-top: 50px;
}

.col{
	margin-top: 10px;
	margin-left: auto;
	margin-right: auto;
}

.theme li{
   text-indent: -1em;
   padding-left: 1em;
}

#page_top{
  width: 40px;
  height: 40px;
  position: fixed;
  right: 5px;
  bottom: 50px;
  background: #888888;
  opacity: 0.6;
  border-radius: 50%;
}

#page_top a{
  position: relative;
  display: block;
  width: 40px;
  height: 40px;
  text-decoration: none;
}

#page_top a::before{
  color: #fff;
  position: absolute;
  width: 25px;
  height: 25px;
  top: -5px;
  bottom: 0;
  right: 0;
  left: 0;
  margin: auto;
  text-align: center;
  content: '▲';
  font-size: 18px;
  font-weight: bold;
}

/*Tablet View*/

@media (min-width: 768px){
	
	body {
		max-width: 778px;
	}
	
	main{
		margin-top: 0px;
	}
	
	h1 {
		font-size: 55px;
		text-align: center;
	}
	
	h2 {
		margin-bottom: 16px;
	}
	.nav-bar{
		position: relative;
	}
	
	img.memories{
	width: auto;
	max-width: 80%;
	height: auto;
	vertical-align: middle;
	}
	
	.col {
		float: left;
		padding: 0px 3px 10px;
	}
	
	.col-md-one-half {
		width: 50%;
		padding-left: auto;
		padding-right: auto;
	}

	img.link{
		min-width: 25%;
		max-width: 25%;
	}
	
	.solo{
		margin-top: 10px;
		margin-left: auto;
		margin-right: auto;
		max-width: 75%;
	}
}

/*Desktop View*/

@media (min-width: 1024px){
	
	body {
		max-width: 1200px;
	}
	
	h4 {
	font-size: 20px;
	font-weight: 200;
	}
	
	img.link{
	min-width: 25%;
	max-width: 25%;
	}
	
	.col-lg-one-fourth {
	width: 50%;
	max-width: 80%;
	padding-left: auto;
	padding-right: auto;
	}
	
	.solo{
		max-width: 75%;
	}
}







.icon-hamburger {
	display: none;
	overflow: hidden;
	z-index: 1;
	position: fixed;	
	background: #888888;
	border: 1px solid #888888;
	cursor: pointer;
	height: 50px;
	width: 50px;
	margin-bottom: 0.4em;
}

.icon-hamburger span {
  background: #ffffff;
  display: block;
  height: 16%;
  left: 50%;
  margin: -8% 0 0 -42%;
  position: absolute;
  top: 50%;
  width: 84%;
}

.icon-hamburger span::before,
.icon-hamburger span::after {
  background: #ffffff;
  content: "";
  display: block;
  height: 100%;
  left: 50%;
  margin: -8% 0 0 -50%;
  position: absolute;
  top: 50%;
  width: 100%;
}

.icon-hamburger span::before {
  margin-top: -38%;
}

.icon-hamburger span::after {
  margin-top: 19%;
}

@media screen and (max-width: 768px) {
  .icon-hamburger {
    display: inline-block;
  }
}

.menu-container {
  margin: 0;
  position: relative;
}

.menu-container .menu {
  border: 1px solid #888888;
  display: flex;
  justify-content: space-between;
  list-style: none;
  margin: 0;
  padding: 0;
}

.menu-container .menu .menu-item {
  flex: 1;
}

.menu-container .menu .menu-item a {
  background: #888888;
  border-right: 1px solid #ccc;
  color: #ffffff;
  display: block;
  padding: 0.6em 0.4em;
  text-align: center;
  text-decoration: none;
}

.menu-container .menu .menu-item a:hover {
  background: #ffffff;
  color: #000000;
}

.menu-container .menu .menu-item:last-child a {
  border-right: none;
}

@media screen and (max-width: 768px) {
  .menu-container .menu {
    display: none;
    position: absolute;
    width: 100%;
  }
  .menu-container .menu .menu-item a {
    border-bottom: 1px solid #ccc;
    border-right: none;
  }
  .menu-container .menu .menu-item:last-child a {
    border-bottom: none;
  }
}