@charset "UTF-8";

* {
	margin: 0;
	padding: 0;
	line-height: 1.0;
	font-weight: inherit;
	font-style:  inherit;
	text-spacing: ideograph-alpha;  /* https://drafts.csswg.org/css-text-4/#text-spacing */
}
img {
	border: none;
}
a {
	text-decoration: none;
	transition: -webkit-filter 0.3s;
}
ul li {
	list-style: none;
}



/* anchors */
a:link,
a:visited {
	color: #1a2;
}
a:link:hover {
	color: #1ec816;
}
a:not([href]) {
	color: inherit;
}
a > sup {
	color: hsl(0,0%,50%);
	font-size: 70%;
	margin: 0 1px;
}



main h1 {
	font-weight: 600;
}


main h2,
main h3,
main h4,
main dt {
	font-weight: 300;
}

/* basic spacing */
main p,
main dd,
main li {
	line-height: 1.6;
}
main h1,
main h2,
main h3,
main h4,
main dt {
	line-height: 1.4;
}

main p {
	margin: 1em 0;
}
section {
	margin: 2em 0 3em;
}
section > section {
	margin: 1em 0;
}

/* list marker */
main ul li {
	list-style-type: circle;
	margin-left: 1.5em;
}
main li+li {
	margin-top: 0.2em;
}

/* table */
table {
	border-spacing: 0;
	border-collapse: collapse;
}
table tr > * {
	padding: 0.2em 0.5em;
	line-height: 1.5;
}
table thead tr > * {
	font-weight: 500;
	border-bottom: 0.5px solid hsla(0,0%,0%,.8);
}
table tbody tr > * {
	border-bottom: 0.5px solid hsla(0,0%,0%,.08);
}

/* footnote */
bsection > footer > ol,
article > footer > ol,
main > footer > ol {
	font-size: 85%;
	margin-left: 20px;
}

/* code */
code {
	font: 94% 'SF Mono', Menlo, monospace;
	color: hsla(0,0%,0%,.8);
	background-color: hsl(0,0%,98%);
	border: 1px solid hsl(0,0%,93%);
	border-radius:2px;
	padding:0.1em 0.3em;
}
pre code {
	display: block;
	width: 80%;
	padding: 0.3em 1em;
	line-height: 1.6;
}

/* other styles */
strong {
	font-weight: bold;
}
dfn {
	font-style: italic;
}

/* font override */
body,
header,
main,
footer {
	font: 14px -apple-system, 'Helvetica Neue', sans-serif;
}

/* body */
body {
	color: hsl(0,0%,10%);
	
	background: white;
	padding: 15px 20px;
}


/* header */
body > header {
	font-size: 19px;
	font-weight: 700;
	color: hsl(0,0%,11%);
	min-height: 16px;
	clear:both;
	margin-bottom: 20px;
}
body > header a {
	color: inherit !important;
	background: transparent !important;
	
	position: relative;
/*	transition: all 0.3s ease; */
	display: inline-block;
}

body > header > a:first-child {
	font-size: 40px;
}
body > header > a:first-child::before {
	display: inline-block;
	content: '';
	width: 48px;
	height: 48px;
	background:url('../images/see5-64@2x.png');
	background-size: 48px;
	vertical-align: -4px;
	margin-right: 8px;
}
body > header > nav {
	text-align: right;
	font-weight: 600;
	position: absolute;
	top: 8px;
	right: 0;
	text-align: right;
	padding: 1em 2em;
}
body > header > nav li {
	display: inline;
	margin: 0 0.4em;
}
body > header > nav > ul > li > a > img {
	width: 28px;
	height: 28px;
}


/* main */
main {
	margin: 30px auto;
	width: 80%;
	max-width: 1000px;
}

/* footer */
body > footer {
	font-size: 13px;
	text-align: center;
	margin-top: 40px;
}

body > footer > p {
	padding: 2px;
}

/* sns */
aside.sns li {
	display: inline-block;
	max-width: 90px;
	vertical-align: top;
}
aside.sns li+li {
	margin-left: 10px;
}


/* FQA */

dl.fqa {
	margin: 1em 0;
}
dl.fqa > dt {
	font-size: 120%;
}
dl.fqa > * {
	text-indent: -1.8em;
	margin-left: 1.8em;
	margin-bottom: 0.2em;
}
dl.fqa > dd + dt {
	margin-top: 1.5em;
}
dl.fqa > ::before {
	font-weight: 200;
	font-size: 20px;
	margin-right: 0.3em;
}
dl.fqa > dt::before {
	content: 'Q.';
	color: hsl(200,60%,45%);
}
dl.fqa > dd::before {
	content: 'A.';
	color: hsl(30,75%,45%);
}
dl.fqa > dd > ul,
dl.fqa > dd > ol,
dl.fqa > dd > dl {
	margin: 0.5em 3em;
}
dl.fqa > dd > dl dt {
	font-weight: 500;
	display: list-item;
	list-style: circle inside;
	margin-left: -1em;
}
dl.fqa > dd > dl dd {
	margin-bottom: 0.5em;
}