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

html, body, button, input, select, textarea {
	font-family: Inter, "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, -apple-system, "Segoe UI", sans-serif;
}

.item_list {
	margin: 0px;
	top: 8px;
	position: relative;
	border: 2px solid #BCEAF3;
	right: 0px;
	left: 10px;
	width: 110px;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: large;
	line-height: 22px;
	text-indent: 0px;
	font-style: normal;
	font-weight: normal;
	text-align: left;
	letter-spacing: 0em;
	vertical-align: baseline;
	padding-top: 3px;
	padding-right: 0px;
	padding-bottom: 3px;
	padding-left: 10px;
	background-color: #FFFFFF;
}
.experiment {
	position: relative;
	top: 15px;
	width: 110px;
	left: 10px;
	border: 2px solid #FFCCFF;
	line-height: 22px;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: large;
	font-style: normal;
	padding-top: 3px;
	padding-right: 0px;
	padding-bottom: 3px;
	padding-left: 10px;
}
#about_menu {
	background-image: url(images/menu_title.png);
	height: 30px;
	width: 150px;
	font-size: 14pt;
	line-height: 22px;
	color: #000000;
	text-align: left;
	margin-top: 0px;
	margin-left: 0px;
	font-family: Arial, Helvetica, sans-serif;
	font-style: normal;
	padding-top: 0px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 10px;
	font-weight: bold;
	font-variant: normal;
}
#bg {
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 10px;
	padding-top: 0px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 0px;
	width: 160px;
}
.menu_title {
	width: 120px;
	left: 11px;
	top: 5px;
	position: relative;
	text-align: center;
	font-size: x-large;
	font-style: normal;
	color: #000099;
	padding: 0px;
	margin: 0px;
}
#About_menu_item {
	background-image: url(images/menu_item_middle.png);
	height: 25px;
	width: 135px;
	margin-left: 0px;
	font-family: arial, "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 13pt;
	line-height: 23px;
	text-align: left;
	font-weight: normal;
	vertical-align: baseline;
	padding-left: 25px;
	white-space: normal;
}
#Title_top {
	margin-top: 10px;
	margin-left: 0px;
}
#Main_title_css {
	width: 600px;
	font-size: 13pt;
	background-color: #FFFFFF;
	color: #000000;
	height: 25px;
	margin-right: 0px;
	margin-bottom: 0px;
	margin-left: 0px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 15px;
	padding-top: 0px;
	line-height: 24px;
	font-family: arial, "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-weight: bold;
	background-image: url(images/back1.png);
	background-repeat: no-repeat;
}
#Main_contents_css {
	width: 590px;
	border: 1px none #CCCCCC;
	padding-left: 25px;
	margin-top: 5px;
	text-align: justify;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 11pt;
	float: none;
}
#Principle_image_css {
	width: 400px;
	position: relative;
	visibility: visible;
	float: none;
	border: 1px none #999999;
	clear: none;
	text-align: center;
}
#image_research {
	float: right;
	padding: 0px;
	margin-left: 15px;
}
	
#Sub_title_css {
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 13pt;
	height: 25px;
	padding-left: 15px;
	line-height: 25px;
	width: 570px;
	color: #000033;
	background-color: #005900;
	clear: both;
	margin-left: 30px;
	margin-top: 10px;
	font-weight: bold;
	background-image: url(images/back2.png);
	background-repeat: repeat-x;
}
#Sub_contents_css {
	margin-top: 5px;
	padding-left: 35px;
	width: 550px;
	color: #000000;
	background-color: #FFFFFF;
	margin-left: 30px;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 11pt;
}
#AGNES_image_css {
	clear: both;
	float: none;
	width: 633px;
	margin-left: 0px;
	padding-left: 0px;
	text-align: right;
	position: relative;
	top: 30px;
}
#Sub_Sub_title_css {
	font-family: arial, "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 13pt;
	height: 25px;
	padding-left: 15px;
	line-height: 25px;
	width: 510px;
	color: #000000;
	background-color: #B5D5FF;
	clear: both;
	margin-left: 90px;
	margin-top: 15px;
	font-weight: bold;
	background-image: url(images/back3.png);
}
#Sub_Sub_contents_css {
	margin-top: 5px;
	padding-left: 35px;
	width: 490px;
	color: #000000;
	background-color: #FFFFFF;
	margin-left: 90px;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 11pt;
}
	
#about_count {
	background-image: url(images/menu_count.png);
	height: 25px;
	width: 135px;
	font-family: arial, "ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: 13pt;
	line-height: 23px;
	text-align: right;
	font-weight: normal;
	vertical-align: baseline;
	padding-left: 0px;
	white-space: normal;
	padding-right: 25px;
}
.main_box {
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 0px;
	padding-top: 0px;
	padding-right: 0px;
	padding-bottom: 0px;
	padding-left: 0px;
	background-image: url(images/back4.png);
	background-repeat: repeat-y;
}
.menu_box {
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 0px;
	background-image: url(images/menu_back.png);
	background-repeat: repeat-y;
	padding: 0px;
	width: 165px;
}
.bottom {
	margin: 0px;
	top: 8px;
	position: relative;
	right: 0px;
	left: 0px;
	width: 625px;
	font-family: arial,"ＭＳ Ｐゴシック", Osaka, "ヒラギノ角ゴ Pro W3";
	font-size: large;
	line-height: 22px;
	text-indent: 0px;
	font-style: normal;
	font-weight: normal;
	text-align: left;
	letter-spacing: 0em;
	vertical-align: baseline;
	background-color: #FFFFFF;
}
.English_main {
	margin: 0px;
	padding: 0px;
	width: 800px;
	float: left;
}
#top_image {
	margin: 0px;
	padding: 0px;
	height: 85px;
	width: 640px;
}
.English_left {
	margin: 0px;
	padding: 0px;
	width: 150px;
	float: left;
	height: 100%;
	display: block;
}
.English_right {
	margin: 0px;
	padding: 0px;
	width: 10%;
	float: right;
}
.English_menu {
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 0px;
	background-image: url(images/menu_back.png);
	background-repeat: repeat-y;
	padding: 0px;
	width: 165px;
}
.English_content {
	background-color: #FFFFFF;
	margin-left: 0px;
	margin-top: 0px;
	background-image: url(images/menu_back.png);
	background-repeat: repeat-y;
	padding: 0px;
	width: 635px;
	float: right;
}

/* 2026 visual refresh: keep the original page structure while modernizing type and surfaces. */
body,
.item_list,
.experiment,
#about_menu,
#About_menu_item,
#Main_title_css,
#Main_contents_css,
#Sub_title_css,
#Sub_contents_css,
#Sub_Sub_title_css,
#Sub_Sub_contents_css,
#about_count,
.bottom {
	font-family: Inter, "Noto Sans JP", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", system-ui, -apple-system, "Segoe UI", sans-serif;
}
body {
	color: #15313c;
	font-size: 16px;
	line-height: 1.6;
}
.main_box {
	width: min(940px, calc(100% - 40px));
	margin: 0 auto;
	padding: 28px 26px 50px;
	background: #fff;
}
#Main_title_css {
	width: auto;
	height: auto;
	min-height: 42px;
	padding: 9px 16px;
	border-left: 5px solid #18a6a6;
	border-radius: 0 9px 9px 0;
	background: #e9f5f5;
	color: #082c3e;
	font-size: 17px;
	line-height: 24px;
}
#Main_contents_css {
	width: auto;
	padding: 13px 17px 0;
	font-size: 15px;
	line-height: 1.75;
}
#Sub_title_css,
#Sub_Sub_title_css {
	height: auto;
	min-height: 38px;
	padding-top: 7px;
	padding-bottom: 7px;
	border-radius: 8px;
	background: #e9f5f5;
	color: #082c3e;
	line-height: 24px;
}
a { color: #08777d; text-underline-offset: 3px; }
.English_left,
.English_menu {
	display: none;
}
.English_main {
	float: none;
	width: min(940px, calc(100% - 40px));
	margin: 0 auto;
	padding: 26px 24px 50px;
}
.English_content {
	float: none;
	width: auto;
	background: #fff;
}
#top_image {
	max-width: 100%;
	height: auto;
	margin-bottom: 24px;
}
#top_image img {
	max-width: 100%;
	height: auto;
}
@media (max-width: 700px) {
	.main_box { width: 100%; padding: 20px 14px 40px; }
	#Main_contents_css { padding-left: 10px; padding-right: 10px; }
	#Sub_title_css, #Sub_contents_css, #Sub_Sub_title_css, #Sub_Sub_contents_css {
		width: auto;
		margin-left: 0;
	}
	img { max-width: 100%; height: auto; }
	.English_main { width: 100%; padding: 18px 14px 40px; }
}