@charset "utf-8";

/* CSS Document */
/*********************************
preset variables
*********************************/
:root {
	/* color preset */
	--mainColor: #56b1cc;
	--mainDarkColor: #367297;
	--mainLightColor: #dbf2f8;
	--subColor: #32b16c;
	--subDarkColor: ;
	--subLightColor: ;
	--bgColor: #c9ebf5;
	--fontColor: #000;
	/* width preset */
	/*--breakpoint: 700px;*/
	/*--gutter: 1.3rem;*/
	--gap: 30px;
	/*--headerHeight: ;*/
	--contentWidth: 1000px;
}

/*************************************
* START common
*************************************/
html {
	font-family: "Times New Roman", "YuMincho", "Hiragino Mincho ProN", "Yu Mincho", "MS PMincho", serif;
	font-size: 14px;
	color: var(--fontColor);
	line-height: 1.8;
	font-weight: 500;
}

body {
	text-align: center;
	background: url("../img/bg_img.png") no-repeat top center;
	background-color: var(--bgColor);
	overflow-y: scroll;
}

a {
	color: var(--mainDarkColor);
}

a:hover {
	text-decoration: underline;
}

ul,
ol {
	list-style-type: none;
}

ul.disc,
ol.disc {
	padding-left: 1.5em;
	list-style-type: disc;
}

ul.circle,
ol.circle {
	padding-left: 1.5em;
	list-style-type: circle;
}

ul.square,
ol.square {
	padding-left: 1.5em;
	list-style-type: square;
}

ul.disc,
ol.square {
	padding-left: 1.5em;
	list-style-type: disc;
}

ul.decimal,
ol.dicimal {
	padding-left: 1.5em;
	list-style-type: decimal;
}

ul.decimal-lz,
ol.decimal-lz {
	padding-left: 2.5em;
	list-style-type: decimal-leading-zero;
}

ul.u-latin,
ol.u-latin {
	list-style-type: upper-latin;
}

dl.uniq-dl {
	margin-bottom: 3rem;
}

dl.uniq-dl dt {
	margin-top: 1rem;
}

dl.uniq-dl dd {
	margin-left: 20px;
}

dl.qa-dl {
	margin-bottom: 3rem;
	display: flex;
	flex-wrap: wrap;
}

dl.qa-dl dt {
	width: 5%;
}

dl.qa-dl dd {
	width: 90%;
}

blockquote,
q {
	quotes: none
}

blockquote:before,
blockquote:after,
q:before,
q:after {
	content: '';
	content: none;
}

sup {
	font-size: 0.5em;
	vertical-align: super;
}

sub {
	font-size: 0.5em;
	vertical-align: sub;
}

strong {
	font-weight: bolder;
}

em {
	font-weight: 700;
}

table {
	width: max-content;
	border-collapse: collapse;
	border-spacing: 0;
}

button,
input {
	border: none;
	background: transparent;
}

button {
	cursor: pointer;
}

img {
	display: block;
	object-fit: cover;
	max-width: 100%;
	flex-shrink: 0;
}

img.contain {
	object-fit: cover;
}

/*************************************
* START common2
*************************************/
#container {
	width: var(--contentWidth);
	margin: 0 auto;
	position: relative;
}

.text_clear {
	font: 0/0 a;
	color: transparent;
	text-shadow: none;
	white-space: nowrap;
}

.red {
	color: #d30000;
}

.attn {
	color: #d30000;
	font-weight: bold;
}

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

.l_float {
	float: left;
	margin-bottom: 1.5em;
	margin-right: 1.5em;
}

.r_float {
	float: right;
	margin-bottom: 1.5em;
	margin-left: 1.5em;
}

.pagetop {
	text-align: right;
}

/*************************************
* START arrow
*************************************/
.arrow {
	position: relative;
	vertical-align: middle;
	text-decoration: none;
}

.arrow::before,
.arrow::after {
	position: absolute;
	top: 0;
	bottom: 0;
	right: 0;
	margin: auto;
	content: "";
	vertical-align: middle;
}

.arrow_type_1::before {
	width: 15px;
	height: 100%;
	background: var(--mainColor);
}

.arrow_type_1::after {
	right: -3px;
	box-sizing: border-box;
	width: 7px;
	height: 7px;
	border: 7px solid transparent;
	border-left: 7px solid #fff;
}

/*************************************
* START header
*************************************/
header div.header_txt {
	border-bottom: 5px solid var(--mainColor);
}

header div.header_txt span {
	display: block;
	width: var(--contentWidth);
	margin: 0 auto;
	padding-bottom: calc(var(--gap) / 3);
	padding-top: calc(var(--gap) / 3);
	text-align: left;
	font-size: 1.2rem;
}

.header_inner {
	width: var(--contentWidth);
	margin: 40px auto;
	text-align: left;
}

header h1#site_id {
	display: block;
	width: 540px;
	height: 87px;
	background: url("../img/site_id_img.png") no-repeat top left;
	text-indent: -9999px;
	overflow: hidden;
}

/*************************************
* START main
*************************************/
main {
	width: var(--contentWidth);
	margin-top: var(--gap);
	display: flex;
}

main p {
	margin-bottom: 1rem;
}

main h2 {
	font-size: 1.8rem;
	color: var(--mainDarkColor);
	margin-bottom: calc(var(--gap) / 3);
	font-weight: bold;
}

main h3 {
	font-size: 1.6rem;
	margin-bottom: calc(var(--gap) / 3);
}

main h4 {
	font-size: 1.4rem;
	margin-bottom: calc(var(--gap) / 3);
}

/*************************************
* START main right_col
*************************************/
main .right_col {
	width: calc(710px - var(--gap));
	text-align: left;
	order: 2;
}

.content_01,
.topics {
	margin-bottom: var(--gap);
	background-color: rgba(255, 255, 255, 0.8);
	padding: var(--gap);

}

.topics h2 {
	color: var(--subColor);
}

.topics article {
	margin-bottom: var(--gap);
}

.topics article dt {
	font-size: 1.2rem;
	color: var(--subColor)
}

.topics article dt::before {
	content: " ";
	display: inline-block;
	box-sizing: border-box;
	width: 7px;
	height: 7px;
	border: 7px solid transparent;
	border-left: 7px solid var(--subColor);
}

.topics div.topics_list_btn {
	text-align: right;
}

.topics div.topics_list_btn a {
	font-size: 1.2rem;
}

.topics div.topics_list_btn a:hover {
	color: var(--subColor);
}

img.f-item {
	display: inline-block;
	height: 200px;
	margin: 0 5px;
}

a.btn {
	line-height: 1.5;
    width: 100%;
	display: block;
	padding: 1rem 2rem;
	text-align: center;
	color: #fff;
	background: var(--mainColor);
	border-radius: 0.5rem;
	margin-bottom: 2rem;
    text-decoration: none;
}
a.btn:hover {
	background: var(--subColor);
}

/*************************************
* START main left_col
*************************************/
main .left_col {
	width: calc(var(--contentWidth) - 710px);
	margin-right: var(--gap);
	order: 1;
	text-align: left;
}

main .left_col nav a {
	color: var(--fontColor);
}

main .left_col nav li.current {
	display: block;
	background-color: var(--mainColor);
	margin-bottom: calc(var(--gap) / 2);
	padding: calc(var(--gap) / 3);
	font-size: 1.2rem;
	color: #FFF;
	text-decoration: none;
}

main .left_col nav li a {
	display: block;
	background-color: rgba(255, 255, 255, 0.8);
	margin-bottom: calc(var(--gap) / 2);
	font-size: 1.2rem;
	padding: calc(var(--gap) / 3);
	text-decoration: none;
}

main .left_col nav li:hover a {
	background-color: var(--mainColor);
	color: #FFF !important;
}

.related_links {
	background-color: rgba(255, 255, 255, 0.8);
	padding-bottom: calc(var(--gap) / 2);
	padding-left: calc(var(--gap) * 1.2);
	padding-right: var(--gap);
	padding-top: calc(var(--gap) / 2);
	font-size: 1.1rem;
}

.related_links li {
	margin-bottom: calc(var(--gap) / 3);
	text-indent: -1rem;
}

.related_links li a {
	color: var(--fontColor);
}

.related_links li a:hover {
	color: var(--subColor);
}

.related_links li::before {
	content: " ";
	display: inline-block;
	box-sizing: border-box;
	width: 7px;
	height: 7px;
	border: 7px solid transparent;
	border-left: 7px solid var(--mainColor);
}

/*************************************
* START footer
*************************************/
footer {
	background: url("../img/footer_bg.png") no-repeat top center;
	color: #FFF;
	padding: var(--gap);
}

footer small {
	font-size: 1rem;
}

/*************************************
* START footer nav
*************************************/
ul.footer_nav {
	display: flex;
	justify-content: center;
	font-size: 1.2rem;
	margin-bottom: 0.5rem;
	margin-top: 50px;
}

ul.footer_nav li {
	border-left: 1px solid #FFF;
	padding-left: 1em;
	padding-right: 1em;
}

ul.footer_nav li:last-child {
	border-right: 1px solid #FFF;
}

ul.footer_nav li a {
	color: #fff;
	padding: 5px;
	text-decoration: none;
}

ul.footer_nav li a:hover {
	text-decoration: underline;
}

/*************************************
* START lower page  breadcrumb
*************************************/
.breadcrumb_area {
	margin-bottom: calc(var(--gap) / 3);
	padding-left: 25px;
	background: url("../img/breadcrumb_mark.png") no-repeat left center;
}

.breadcrumb {
	margin: 0;
	padding: 0;
	list-style: none;
}

ol.breadcrumb {
	margin-left: 0 !important;
	margin-bottom: 1rem !important;
}

ol.breadcrumb li {
	display: inline;
	list-style: none;
}

ol.breadcrumb li:after {
	content: '>';
	padding: 0 0.2em;
	color: #333;
}

ol.breadcrumb li:last-child:after {
	content: '';
}

ol.breadcrumb li a {
	color: var(--mainColor);
	text-decoration: underline;

}

/*************************************
* START lower page  right_col_item
*************************************/
/*ul ol*/
main .right_col ul {
	margin-left: var(--gap);
	margin-bottom: var(--gap);
}

main .right_col ul li {
	margin-bottom: 1rem;
}

main .right_col ol {
	margin-left: var(--gap);
	margin-bottom: var(--gap);
}

main .right_col ol li {
	margin-bottom: 1rem;
}

/*table*/
main .right_col table {
	width: 100%;
	margin-bottom: 1rem;
}

main .right_col table caption {
	font-size: 1.2rem;
	text-align: left;
	line-height: 1.5;
	margin-bottom: .5rem;
}

main .right_col table th {
	border: 1px solid #999;
	padding: calc(var(--gap) / 4);
}

main .right_col table td {
	border: 1px solid #999;
	padding: calc(var(--gap) / 4);
}

main .right_col table tr:nth-child(even) {
	background-color: var(--mainLightColor);
}

a.long-url {
	overflow-wrap: break-word;
}

.archive article {
	margin-bottom: var(--gap);
}