html[lang="ja"] {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;
}

body {
	font-size: 14px;
	line-height: 28px;
	color: #202626;
	text-align: center;
	margin-top: 0px;
	margin-bottom: 0px;
	margin-right: auto;
	margin-left: auto;
	background-color: #FFFFFF;
	height:100%;
    background-image: url("img/Science Tokyo_element-RGB_yoko-11.jpg");
	background-position:top;
	background-repeat:repeat-y; 
}
#main {
	position: relative;
	height: auto !important;
	height:100%;
	min-height: 750px;
	max-width: 1000px;
	margin-top: 0px;
	margin-right: auto;
	margin-bottom: 0px;
	margin-left: auto;
	background-color: #f2f4f9;
}
#main a {
	color: #000000;
	text-decoration: none;
}
#main a:hover {
	text-decoration: underline;
}
div #header {
	width: 1000px;
	height: 70px;
	background-color: #FFFFFF;
	position: fixed;
	top: 0px;
}
div #label {
	float: left;
}

div #navi {
	text-align: right;
	font-size: 13px;
	font-weight: bold;
	white-space: nowrap;
	margin-right: 40px;
}
#navi a {
	line-height: 70px;
	padding-left: 11px;
	color:#1c3177;
}
div #contents {
	text-align: left;
	margin-top: 140px;
	width: 1000px;
	margin-left: auto;
	line-height: 40px;
	padding-bottom: 20px;
	margin-right: auto;
	margin-bottom: auto;
	overflow: hidden;
}
#contents iframe {
	padding-left: 20px;
}

#contents h {
	display: block;
	width: 840px;
	margin-bottom: 0px;
	margin-top: 0px;
	padding-left: 20px;
	font-size: 16px;
	font-weight: 600
}	

#contents p {
	display: block;
	margin-bottom: 0px;
	padding-top: 20px;
	margin-top: 0px;
	margin-left: 20px;
	color:seagreen;
}
#contents dl {
	width: 450px;
	margin-top: 0px;
	margin-left: 530px;
}
#contents dl dt {
	float:left;
	width:400px;
}
#contents dl dd {
	width:350px;
	margin-left: 100px;
}
div #footer {
	text-align: left;
	position: absolute;
	bottom: 0px;
	font-size: 10px;
	padding-left: 20px;
	height: 20px;
	margin-bottom: 0px;
}
#footer p {
	line-height: 20px;
	display: inline;
}
.mawari {
	float: left;
}
.spacing1 {
	letter-spacing: 0.5em;
}
.spacing2 {
	letter-spacing: 0.3em;
}
.spacing3 {
	letter-spacing: 0.1em;
}
.spacing4 {
	letter-spacing: 0.4em;
}

.rack {
    display: flex;
    justify-content: center;
}

.card {
  width: 300px;
  height: 315px;
  border: 1px solid lightgray;
  }

 .card:nth-child(2) {
  margin-right: 10px;
  margin-left: 10px;
  }

 .picture img {
  width: 100%;
  height: 200px;
  }

.description {
  width: 100%;
  height: 145px;
  padding-right: 12px;
  padding-left: 12px;
  box-sizing: border-box;
  }

.description p {
 font-size: 12px;
line-height: 13px;
 color: dimgray;
 }