#header {
	height: 80px;
	width: 960px;
	margin: 0 auto;
	border:solid 1px #C7B299;
}

#logo img{
	position: absolute;
	top: 20px;
	left: 20px;
}

#ris_logo {
	position: absolute;
	top: 32px;
	right: 20px;
}

/*----------------------------------------------

	#nav

----------------------------------------------*/

#nav{
	margin:0 auto 1em;

}

#nav > ul{
    display: flex;
	margin:0 auto;
	width: 960px;
	background: #FFF;
	border:solid 1px #C7B299;
	border-top:none;
}

#nav > ul > li{
	display: inline-block;
	font-size: 0px;
	position:relative;
	line-height:40px;
    min-width: 112px;
}

#nav li#nav_08 a{
	border:none;
}

#nav > ul > li > a{
	display:block;
	line-height:28px;
	text-decoration:none;
	font-size: 12px;
	padding-left:2em;
	padding-right:1em;
	margin:6px 0;
	color: #666;
	border-right:solid 1px #C7B299;
}

#nav > ul > li > a:before{
	display:block;
	position:absolute;
	top:12px;
	left:14px;
	content:"";
	border-left:solid 6px #F18599;
	border-top:solid 6px transparent;
	border-bottom:solid 6px transparent;
	height:0;
	width:0;
	line-height:1;
}

#nav a:link,
#nav a:visited{
	color: #666;
}

#nav a:hover,
#nav a:active{
	color: #65E0E5;
}

#nav > ul > li > ul{
    position: relative;
    background: #FFF;
}

#nav > ul > li > ul{
    position: absolute;
    top: 40px;
    left: 0;
    display: none;
	font-size: 12px;
    width: 100%;
    z-index: 999;
}

#nav > ul > li#nav_01 > ul,
#nav > ul > li#nav_02 > ul,
#nav > ul > li#nav_07 > ul{
    width:max-content;
    white-space: nowrap;
}

#nav > ul > li:hover > ul{
    display: block;
}

#nav > ul > li > ul li{
}
#nav > ul > li > ul li a{
    display: block;
    padding: 0 1em;
    text-decoration: none;
}


#main_img{
	clear:both;
	margin:0 auto 1em;
}

#main_img img{
	width:100%;
	height:auto;
}

#topic_path {
	width:960px;
}


/*----------------------------------------------

	#footer

----------------------------------------------*/

#footer{
	width:960px;
	margin:0 auto;
}

#footer_logo {
	padding-left: 1em;
	width: 480px;
	height: 28px;
	overflow:hidden;
	float:left;
}

#footer_logo a{
	display:block;
	padding-top:40px;
	background:url(images/footer_logo_960.png) no-repeat scroll left top;
}

#footer_ris_logo {
	display:inline;
	float:right;
	margin:0 0 1em;
	padding:.5em 1em 0 0;
}


#footer_nav{
	background: #e0cab0;
	padding:0.5em;
	margin:0 auto 1em 0;
	font-size: 12px;
}

#footer_nav li{
	display:inline-block;
	text-align:left;
}

#footer_nav li a{
	display:block;
	padding:0 1em;
	color:#5f3300;
	text-decoration:none;
	border-right:solid 1px #5f3300;
}

#footer_sitemap{
	font-size:12px;
	margin-left:1em;
}

#footer_sitemap ul{
	margin:0 auto 2em;
}

#footer_sitemap>ul>li{
	display:inline;
	float:left;
	margin-right:2em;
}

#footer_sitemap a{
	text-decoration:none;
	color:#666;
}

#footer_sitemap li li {
	position:relative;
}

#footer_sitemap li li a{
	padding-left:.6em;
}

#footer_sitemap li li a:before{
	display:block;
	position:absolute;
	top:6px;
	left:0px;
	content:"";
	border-left:solid 4px #666;
	border-top:solid 4px transparent;
	border-bottom:solid 4px transparent;
	height:0;
	width:0;
	line-height:1;
}


#copy{
	clear:both;
	padding-left:1em;
	font-size:12px;
}

/*----------------------------------------------

	#main_img

----------------------------------------------*/

#main_img{
	clear:both;
	margin:0 auto 1em;
	background:#65e0e5;
}

#main_img img{
	display:block;
	max-width:960px;
	height:auto;
	margin:0 auto;
}


/*----------------------------------------------

	layout

----------------------------------------------*/
#contents{
	width:960px;
	margin:0 auto;
}
#index #contents{
	width:900px;
}

/*----------------------------------------------

	article

----------------------------------------------*/
.article{
	width:640px;
	float:right;
	display:inline;
}

/*----------------------------------------------

	aside

----------------------------------------------*/
.aside{
	width:240px;
	float:left;
	display:inline;
	box-sizing:border-box;
	border:solid 1px #C7B299;
	margin-left:10px;
	padding:20px 0;
	background: url(images/aside_bg.png) repeat scroll left top;
}

/*-----------------------------------

	バナーリンク

-----------------------------------*/

.link_aside {
	clear:both;
	position:relative;
	padding:1em 0;
	background: url(images/link_aside_bg.png) repeat scroll left top;
}

.link_aside ul{
	position:relative;
	width:900px;
	font-size:0;
	margin:0 auto 0 auto;
}
.link_aside li{
	display:inline-block;
	width:200px;
	margin-right:25px;
	height:90px;
}

.link_aside li:nth-child(4n){
	margin-right:0;
}

.link_aside li img{
	width:100%;
	height:auto;
}


/*----------------------------------------------

	Topics

----------------------------------------------*/
#topics {
	display:inline;
	float:left;
	position:relative;
	border: solid 2px #C7B299;
	box-sizing:border-box;
	background:#FFF;
	width: 420px;
	margin: 0 auto 3em;
}
#topics h2{
	display:inline-block;
	background:#F18599;
	color:#FFF;
	font-size:16px;
	padding:0 1em;
	margin:0 0 1em 1em;
}
#topics h2 span{
	font-size:12px;
}
#topics .view_list{
	position:absolute;
	top:.5em;
	right:1em;
}

.topics_list{
	padding:.5em 0;
	border-top:dotted 1px #666;
}
.topics_list dt{
	position:relative;
	margin: 0 0 .5em 0;
	margin: 0 0 0;
	padding-left:.6em;
	color:#F28C9F;
}
.topics_list dt:before{
	display:block;
	position:absolute;
	top:7px;
	left:0;
	content:"";
	border-left:solid 4px #65E0E5;
	border-top:solid 4px transparent;
	border-bottom:solid 4px transparent;
	height:0;
	width:0;
	line-height:1;
	
}
.topics_list dd{
	border-bottom:dotted 1px #666;
	padding-bottom: 0.2em;
	margin-bottom: .4em;

}
.topics_list dd a{
	display:block;
	text-decoration:none;
}
.topics_list dt .topi_ico{
	color:#FFF;
	display:inline-block;
	padding: 0 .5em;
	font-size: 12px;
	font-weight:normal;
	margin:0 0 0 1em;
}

#topics .section{
	margin-bottom:0;
}

/*-----------------------------------

	今月の写真トップ

-----------------------------------*/
#top_photo_gallery{
	display:inline;
	float:right;
	background: #FFF url(images/photo_gallery_frame.png) repeat scroll left top;
	box-sizing:border-box;
	padding: 6px;
	margin: 0 auto 2em;
	width: 420px;
}
#top_photo_gallery_wrap{
	background: #E2FFF0 url(images/photo_gallery_bg.png) repeat scroll left top;
	position: relative;
	padding-bottom:1em;
}

#top_photo_gallery h2{
	display:inline-block;
	background:#65E0E5;
	color:#FFF;
	font-size:16px;
	padding:0 1em;
	margin:0 0 1.5em ;
}
#top_photo_gallery h2 span{
	font-size:12px;
}
#top_photo_gallery .view_list{
	position:absolute;
	top:.5em;
	right:1em;
}

#top_photo_new{
	margin:0;
	padding: 50px 0 30px;
}

#top_photo_new img{
	display:block;
	width:90%;
	height:auto;
	border:solid 6px #FFF;
	margin:0 auto;
	box-shadow:rgba(0, 0, 0, 0.2) 4px 4px 5px 0px;
	-webkit-box-shadow:rgba(0, 0, 0, 0.2) 4px 4px 5px 0px;
	-moz-box-shadow:rgba(0, 0, 0, 0.2) 4px 4px 5px 0px;
	transform: rotate(3deg);
	-moz-transform: rotate(3deg);
	-webkit-transform: rotate(3deg);
	-o-transform: rotate(3deg);
	-ms-transform: rotate(3deg);
}

#top_photo_detail{
	position:relative;
	width:90%;
	margin:0 auto 20px;
}

#top_photo_detail dt{
	display:block;
	border-bottom:dotted 1px #998675;
	padding-left:.6em;
	font-weight:bold;
}


#top_photo_detail dt:before{
	display:block;
	position:absolute;
	top:7px;
	left:0;
	content:"";
	border-left:solid 4px #F28C9F;
	border-top:solid 4px transparent;
	border-bottom:solid 4px transparent;
	height:0;
	width:0;
	line-height:1;
}

#top_photo_detail dd{

}

#top_photo_detail dd a{
	display:block;

}
#top_photo_gallery{
	clear:none;
}


/*-----------------------------------

	ページレイアウト

-----------------------------------*/
#contents_page{
	width:960px;
	border:solid 1px #C7B299;
	border-top:6px double #F18599;
}



/*-----------------------------------

	分野

-----------------------------------*/

.bunya_photo{
	display:inline;
	float:right;
	width:248px;
	padding:0 0 1em 1em;
}

.bunya_photo img{
	display:block;
	width:100%;
	height:auto;
}

/*-----------------------------------

	興味

-----------------------------------*/
#keyword_list{
	position:relative;
	width:640px;
	margin-left:-20px;
}
#keyword_list li{
	background:none;
	padding:0;
	margin:0 0 2em 20px;
	width:140px;
	height:140px;
	float:left;
}
#keyword_list li img{
	width:140px;
	height:140px;
}
/*-----------------------------------

	教員紹介

-----------------------------------*/

#sub_staff li{
	width:32%;
}

/*-----------------------------------

	今月の地理写真

-----------------------------------*/
#month_view_list{
	border-top:solid 1px #CCC;
}
#month_view_list li{
	border-bottom: solid 1px #CCC;
}
#month_view_list .mv_list_img{
	width:120px;
	height:auto;
	float:left;
	padding-right:1em;
}
#month_view_list h2{
	line-height:1.2;
	padding-right:1em;

}
#month_view_list p{
	margin:0 auto .5em;
}


#wall_map iframe{
	width:100%;
	height:300px;
}



/*-----------------------------------

	汎用クラス

-----------------------------------*/

.article .article_photo_list{
	list-style:none;
	margin:0 auto 1em;
	font-size:0;
	width:620px;
	clear: both;
}
.article .article_photo_list li{
	display:inline-block;
	margin:0 auto 1em;
	font-size:14px;
	width:50%;
	text-align:center;
	vertical-align: top;
	background-image:none;
	padding:0;
}
.article .article_photo_list li img{
	width:90%;
	height:auto;
	margin:0 auto;
	display:block;
}

.article .article_photo_txt{
	display:inline-block;
	width:300px;
	padding:0 0 0 1em;
	box-sizing:border-box;
	vertical-align:top;
}

.article .article_photo{
	display:inline-block;
	width:310px;
	height:auto;
	margin:0 auto 0 0;
	text-align:center;
}
.article .article_photo img{
	width:90%;
}

/*-----------------------------------

	more_link

-----------------------------------*/
.more_link{
		border:solid 1px #65e0e5;
		padding:0;
		background:#65e0e5;
}

.more_link_title{
	display:table-cell;
	width:250px;
	float:left;
	vertical-align:middle;
}
.more_link_title img{
	width:100%;
	height:auto;
}

.more_link ul{
		padding:.5em 1em;
		margin:0;
		overflow:hidden;
		background:#FFF;
}
.more_link li{
	position:relative;
	line-height:50px;
	border-bottom:dotted 1px #CCC;
	background-image:none;
	padding:0;
}
.more_link li:last-child{
	border-bottom:none;
}

.more_link li a{
	display:block;
	padding:0 3em;
	text-decoration:none;
}

.more_link li a:before{
	position:absolute;
	top:4px;
	left:0;
	content:"";
	width:27px;
	height:30px;
	background:url(images/ico_hirameki.png) no-repeat;
}

.more_link li a:after{
	position:absolute;
	top:12px;
	right:0;
	content:"";
	width:32px;
	height:22px;
	background:url(images/ico_arrow_right.png) no-repeat;
}

/*-----------------------------------

	nav_list

-----------------------------------*/
.article .nav_list{
	list-style: none;
	margin: 0;
}
.article .nav_list li {
	border-bottom: 1px dotted #CCC;
	line-height:3;
	padding:0;
}
.article .nav_list li a{
	display:block;
	text-decoration:none;
	background: url(images/icon_arrow_03.gif) no-repeat 10px 16px;
	padding-left:26px;
}

.article .nav_list li a:link,
.article .nav_list li a:visited{
	background-color:#FFF;
}

.article .nav_list li a:hover,
.article .nav_list li a:active{
	color:#FFF;
	background-color:#65E0E5;
}

.article .nav_list li a[href*="http"]:after{
	display:inline-block;
	content:" ";
	background: url(images/ico_outlink.gif) no-repeat left top;
	width:17px;
	height:15px;
	margin-left:1em;
}

/*-----------------------------------

	サブナビゲーション

-----------------------------------*/

#sub_nav{
}
#sub_nav h2{
	background-color: #87E2F3;
	color: #FFF;
	border-top: double 6px #C7B299;
	border-bottom: double 6px #C7B299;
	font-size: 16px;
	line-height: 2;
	text-align: center;
	margin-bottom: 1em;
}
#sub_nav h2 a{
	color:#FFF;
	text-decoration:none;
}

#sub_nav ul{
	box-sizing:border-box;
	border:solid 1px #C7B299;
	width:190px;
	padding:1em;
	margin:0 auto;
	background:#FFF;
}

#sub_nav li{
	line-height:52px;
	overflow:hidden;
}
#sub_nav li a{
	border-bottom:dotted 1px #C7B299;
	display:block;
	background: url(images/icon_arrow_02.gif) no-repeat 10px 20px;
	text-decoration:none;
	padding-left:26px;
	font-size:13px;
}
/*-----------------------------------

	じおたん

-----------------------------------*/

#chiri .page_title:after{
	position:absolute;
	content:"";
	background:url(images/page_ico_chiri.png) no-repeat;
	width:157px;
	height:150px;
	right:10px;
	top:-20px;
}

/*-----------------------------------

	書籍一覧

-----------------------------------*/
.article ul.book_list{
    display: flex;
    flex-wrap: wrap;
    margin: 0 -20px -40px 0;
    padding: 0;
}
.article ul.book_list li{
    padding: 0 20px 40px 0;
    width: calc(100% / 3);
    display: flex;
    flex-direction: column;
}

/*=============== sticky_nav ===============*/
.sticky_nav {
  position: fixed;
  top: 28%;
  right: 0;
  writing-mode: vertical-rl;
  -ms-writing-mode: tb-rl;
  -webkit-writing-mode:vertical-rl;
  border-radius: 8px 0 0 8px;
}
.sticky_nav a {
  padding: 1em;
}
.sticky_nav a + a {
  padding: 1em;
}
.sticky_nav a:before,
.sticky_nav a+ a:before {
  margin-bottom: .5em;
}



#top_photo_gallery.fix h2{
	line-height: 1.4;
	margin-bottom: 1em;
}
#top_photo_gallery.fix h2 span{
	display: block;
}

#top_photo_gallery.fix #top_photo_new{
	padding-top: 20px;
}

/*-----------------------------------

	float

-----------------------------------*/
.fl_right {
	display:inline;
	float:right;
}
.fl_left {
	display:inline;
	float:left;
}
img.fl_right {
	height:auto;
	margin:0 auto 1em 1em;
}
img.fl_left {
	height:auto;
	margin:0 1em 1em auto;
}





#topics.fix {
	width: 560px;
}

#top_photo_gallery.fix{
	width: 320px;
}