@font-face {
	font-family: 'Iosevka Web';
	font-weight: 400;
	font-style: normal;
	src: url('/iosevka-regular.woff2') format('woff2');
}

@font-face {
	font-family: 'Iosevka Web';
	font-weight: 400;
	font-style: italic;
	src: url('/iosevka-italic.woff2') format('woff2');
}

@font-face {
	font-family: 'Iosevka Web';
	font-weight: 700;
	font-style: normal;
	src: url('/iosevka-bold.woff2') format('woff2');
}

@font-face {
	font-family: 'Iosevka Web';
	font-weight: 700;
	font-style: italic;
	src: url('/iosevka-bolditalic.woff2') format('woff2');
}

/* @font-face {
	font-family:Font Awesome\ 5 Brands;
	font-style:normal;
	font-weight:400;
	src:url("https://use.fontawesome.com/releases/v5.0.13/webfonts/fa-brands-400.woff2") format("woff2");
}

@font-face {
	font-family:Font Awesome\ 5 Free;
	font-style:normal;
	font-weight:400;
	src:url("https://use.fontawesome.com/releases/v5.0.13/webfonts/fa-solid-900.woff2") format("woff2");
}

@font-face {
	font-family: "Material Design Icons";
	src: url("https://cdn.materialdesignicons.com/2.4.85/fonts/materialdesignicons-webfont.woff2?v=2.4.85") format("woff2");
	font-weight: normal;
	font-style: normal;
}
 */

html {
	font-size: 1em;
}
body {
	/*font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", "Segoe UI", "Noto Sans Japanese", "ヒラギノ角ゴ ProN W3", Meiryo, sans-serif;*/
	font-family: sans-serif;
	color: black;
	background-color: white;
	overflow-y: scroll;
	line-height: 1.2;
	hyphens: auto;
	text-align: justify;
}

@media (prefers-color-scheme: dark) {
	body {
		color: #EEE;
		background-color: black;
	}
	h1 img, .fa, .fas {
		filter: invert();
	}
}

a {
	color: #006DFB;
	text-decoration: none;
}
a:hover, a:active {
	color: #5090ff;
}

hr {
	height: 1px;
	border: 0;
	border-top: solid 1px lightgray;
	margin: 0;
}
pre, code {
	font-family: 'Iosevka Web', monospace/*, serif*/;
	/*background-color: lightgray;*/
	/*padding-left: 4px;
	padding-right: 4px;*/
}
pre {
	/*padding: 4px;*/
	padding: 1rem;
}
blockquote {
	margin: 0;
	margin-left: 40px;
	border-left: solid 4px #b4c6c7;
	padding-left: 8px;
	font-style: normal;
	color: #7080a0;
}
blockquote blockquote {
	margin-left: 0;
	border-left-color: #e7c3e5;
}
blockquote blockquote blockquote {
	border-left-color: #c3e7d2;
}
blockquote blockquote blockquote blockquote {
	border-left-color: lightgray;
}

/* Site header */
.site-header {
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
}
.site-navi {
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: flex-end;
	justify-content: flex-end;
	-webkit-align-items: baseline;
	align-items: baseline;
	margin-top: 0;
	padding-bottom: 8px;
}
.site-navi a {
	color: inherit;
	text-decoration: none;
}
.site-navi a:hover, .site-navi a:active {
	color: gray;
}
.site-title {
	-webkit-flex-grow: 1;
	flex-grow: 1;
	font-size: 2rem;
	margin: 0;
	margin-top: 10px;
	padding: 0;
	font-weight: normal;
}
.site-navi-items {
	-webkit-flex-grow: 0;
	flex-grow: 0;
	display: -webkit-flex;
	display: flex;
	-webkit-align-items: flex-end;
	-webkit-flex-wrap: wrap;
	-webkit-justify-content: flex-end;
	justify-content: flex-end;
	flex-wrap: wrap;
	align-items: flex-end;
	font-size: 1.2em;
	list-style-type: none;
	margin: 0;
	margin-top: 10px;
	padding: 0;
}
.site-navi-items li {
	padding-left: 1ch;
	white-space: nowrap;
}
.site-header-bottom {
	margin-top: 0;
	margin-bottom: 2rem;
	margin-left: auto;
	margin-right: auto;
	width: 100%;
}

/* Breadcrumb */
.breadcrumb {
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
	margin-bottom: 20px;
	font-size: 1.6em;
}

/* Main contents */
.main {
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
}

/* article */
.article {
	margin-bottom: 1rem;
	line-height: 1.5;
}
.article img {
	text-align: center;
	max-width: 50%;
	box-sizing: border-box;
	/*border: solid 1px lightgray;*/

}
.article > table {
	width: auto;
	overflow-x: auto;
	overflow-y: hidden;
	border: solid 1px lightgray;
	border-spacing: 0;
	border-collapse: collapse;
}
.article > table th, .article > table td {
	border: solid 1px lightgray;
	padding: 4px;
}
.article > div {
	width: auto;
	overflow-x: auto;
	overflow-y: hidden;
}
.article > pre {
	width: auto;
	overflow-x: auto;
	overflow-y: hidden;
}
.article-image {
	width: 100%;
	box-sizing: border-box;
	margin-bottom: 20px;
}
.article-title {
	margin: 0;
	padding: 0;
}
.article-subtitle {
	margin: 0;
	padding: 0;
}
.article-title-series {
	margin: 0;
	padding: 0;
}
.article-title-series a {
	color: inherit;
}
.article-title-series a:hover, .article-title-series a:active {
	color: gray;
}
.article-title-bottom {
	margin-top: 5px;
}
.about .article-title-bottom {
	margin-bottom: 40px;
}
.article .article-meta {
	list-style-type: none;
	padding: 0;
	margin: 5px 0 40px 0;
	display: -webkit-flex;
	display: flex;
	-webkit-align-items: flex-end;
	align-items: flex-end;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
}
.article-meta a {
	color: inherit;
}
.article-meta li a:hover, .article-meta li a:active {
	color: gray;
}
.article-meta li{
	padding: 0;
	padding-right: 1ch;
	margin: 0;
}

.article-series {
	margin-bottom: 40px;
}
.article-series .series-title a {
	color: inherit;
}
.article-series .series-title a:hover, .article-series .series-title a:active {
	color: gray;
}
.article-series .active {
}

.article-share {
	list-style-type: none;
	padding: 0;
	margin: 0;
	margin-bottom: 40px;
	display: -webkit-flex;
	display: flex;
	-webkit-align-items: flex-end;
	align-items: flex-end;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
}
.article-share li {
	margin-right: 4px;
	vertical-align: bottom;
	padding: 0;
}
.article-share li .fb_iframe_widget > span {
	vertical-align: baseline !important;
}
.article-share li .pocket-btn {
	display: inline-block;
	height: 20px;
	overflow: hidden;
}

.disqus-comments {
	margin-bottom: 40px;
}
.article-pager {
}

.toc {
	float: right;
	padding: 4px;
	margin: 0;
	margin-left: 10px;
	margin-bottom: 10px;
	border: solid 1px lightgray;
}
.toc ul {
	list-style-type: none;
	padding: 0;
	padding-left: 12px;
	margin: 0;
}
.toc nav > ul {
	padding-left: 0;
}

/* pager */
.pager {
	list-style-type: none;
	padding: 0;
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: center;
	justify-content: center;
}
.pager-newer {
	margin-right: 40px;
}
.pager-older {
}
.pager-noitem {
	color: gray;
}

/* About */
.about {
	text-align: center;
}
.author {
}
.author-name {
	font-size: 1.2em;
	font-weight: bold;
	margin-bottom: 10px;
}
.author-avatar-wrapper {
	margin-left: auto;
	margin-right: auto;
	padding: 0;
	width:158px;
	height:158px;
	border-radius: 50%;
	border: solid 1px lightgray;
}
.author-avatar {
	width:150px;
	height:150px;
	margin: 4px;
	border-radius: 50%;
	background-color: lightgray;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: contain;
}
.author-social {
	list-style-type: none;
	padding: 0;
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: center;
	justify-content: center;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
}
.author-social li {
	font-size: 1.5em;
	margin-left: 6px;
	margin-right: 6px;
}
.author-social a {
	color: inherit;
}
.author-social a:hover, .author-social a:active {
	color: gray;
}
.about ul:not(.author-social)  {
	margin-left: auto;
	margin-right: auto;
	display: -webkit-flex;
	display: flex;
	-webkit-flex-direction: column;
	flex-direction: column;
	-webkit-align-items: center;
	align-items: center;
	padding: 0;
}

/* List page */
.list {
}
.list .article {
	padding-bottom: 1rem;
	margin-bottom: 1rem;
	border-bottom: solid 1px lightgray;
}
.list .article-titles {
	color: inherit;
}
.list .article-titles:hover, .list .article-titles:active {
	color: gray;
}
.list .article-meta {
	margin-top: 6px;
	margin-bottom: 15px;
}
.list .article-image {
	display: block;
	margin: 0 auto .5rem;
}
.list .article-content {
	text-align: justify;
}
.list .article-readmore {
}
.list .article-floatclear {
	clear: both;
	height: 0;
}

/* Site footer */
.site-footer {
	max-width: 900px;
	margin-left: auto;
	margin-right: auto;
	margin-top: 70px;
	margin-bottom: 20px;
	font-size: 0.8rem;
	display: -webkit-flex;
	display: flex;
	-webkit-align-items: baseline;
	align-items: baseline;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;

}

/* Footer */
.site-footer .copyright {
	-webkit-flex-grow: 0;
	flex-grow: 0;
	margin-right: 10px;
}
.site-footer-items {
	-webkit-flex-grow: 0;
	flex-grow: 0;
	list-style-type: none;
	margin: 0;
	padding: 0;
	display: -webkit-flex;
	display: flex;
	-webkit-align-items: baseline;
	align-items: baseline;
	-webkit-flex-wrap: wrap;
	flex-wrap: wrap;
}
.site-footer-items li {
	font-size: 0.8rem;
	margin: 0 4px 0 4px;
	padding: 0;
}
.site-footer .powerdby {
	-webkit-flex-grow: 1;
	flex-grow: 1;
	margin-left: 10px;
	text-align: right;
}

/* Terms page */
.terms {
	padding: 0 20px 0 20px;
}
.terms > ul {
	list-style-type: none;
	margin: 0;
	padding: 0;
}
.terms > ul > li {
	padding: 0 0 3px 0;
	margin: 0 0 3px 0;
	border-bottom: 1px solid lightgray;
	display: -webkit-flex;
	display: flex;
}
.archives > ul > li > a {
	-webkit-flex-grow: 0;
	flex-grow: 0;
}
.terms > ul > li time {
	-webkit-flex-grow: 1;
	flex-grow: 1;
	text-align: right;
}

/* Archives page */
.archives {
	padding: 0 20px 0 20px;
}
.archives ul:not(.taxonomies) {
	list-style-type: none;
	margin: 0;
	padding: 0;
}
.archives .archives-month, .archives .archives-item {
	padding: 0 0 3px 0;
	margin: 0 0 3px 0;
	border-bottom: 1px solid lightgray;
	display: -webkit-flex;
	display: flex;
}
.archives .archives-monthly-container {
	padding: 0;
	margin: 0;
	margin-bottom: 20px;
	border: 0;
}
.archives .archives-item > a {
	-webkit-flex-grow: 0;
	flex-grow: 0;
}
.archives .archives-item time {
	-webkit-flex-grow: 1;
	flex-grow: 1;
	text-align: right;
}
.archives ul.taxonomies {
	-webkit-flex-grow: 0;
	flex-grow: 0;
	list-style-type: none;
	margin: 0;
	padding: 0 0 0 10px;
	display: -webkit-flex;
	display: flex;
}
.archives ul.taxonomies li {
	padding: 0 0 0 8px;
}
.archives ul.taxonomies li a {
	color: inherit;
	font-size: 0.8em;
}
.archives ul.taxonomies li a:hover, .archives ul.taxonomies li a:active {
	color: gray;
}

.pagination {
	list-style-type: none;
	padding: 0;
	margin-top: 20px;
	margin-bottom: 0px;
	display: -webkit-flex;
	display: flex;
	-webkit-justify-content: center;
	justify-content: center;
}
.pagination li {
	padding: 0 5px 0 5px;
}
.pagination li.active a {
	pointer-events: none;
	cursor: default;
	text-decoration:none;
	color: inherit;
}
.pagination li.active a:hover, .pagination li.active a:active {
	color: gray;
}

.icon {
	display: inline-block;
	width: 1em;
	height: 1em;
	stroke-width: 0;
	stroke: currentColor;
	fill: currentColor;
}

.404 h1 {
	text-align: center;
}

/* Mobile */
@media screen and (max-width: 768px) {
	.site-header, .site-header-bottom, .main, .breadcrumb, .site-footer {
		width: 98%;
		box-sizing: border-box;
	}
	.list .article-image {
		width: 100%;
		box-sizing: border-box;
		float: none;
	}
	.article img {
		max-width: 100%;
	}
	.toc {
		display: none;
	}
	.archives ul.taxonomies, .archives .archives-item time {
		display: none;
	}
	.terms > ul > li time {
		display: none;
	}
	.site-navi {
		-webkit-flex-wrap: wrap;
		flex-wrap: wrap;
	}
	.terms, .archives {
		padding: 0;
	}
}

@media print {
	.site-header, .site-header-bottom, .toc, .site-footer, .pager, .disqus-comments, .article-share {
		display: none;
	}
	.main, .breadcrumb {
		width: 100%;
		box-sizing: border-box;
	}
	
}




img {
	max-width: 100%;
	height: auto;
} 

.fa {
	height: .8rem;
}

.fas {
	height: 3rem;
}

.right {
	text-align: right;
}

.twitter {
	color: #006DFB;
}

.twitter:hover a, .twitter:active a {
	color: #5090ff;
}