@charset "UTF-8";

html {
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}
body {
  margin: 0;
  color: #333;
  font: 100% / 1.7 'Open Sans', sans-serif;
  text-rendering: optimizeLegibility;
}
nav ul:after,
header:after,
article:after,
main > dl > dd:after,
main > h1 + ul:after,
figure:after,
footer:after {
  display: block;
  clear: both;
  content: "";
}

body > div {
	max-width: 80.75em;
	margin-top: 0;
	margin-right: auto;
	margin-bottom: 0;
	margin-left: auto;
	padding-top: 3em;
	padding-right: 0.625em;
	padding-bottom: 1em;
	padding-left: 0.625em;
}
@media screen and (max-width: 641px) {
  body > div {
    padding: 3em 1em;
  }
}

h1 {
  margin-bottom: 0.4em;
  font-size: 1.8em;
  line-height: 1.4;
}
h2 {
  margin: 2em 0 0.8em;
  padding-bottom: 0.25em;
  font-size: 1.5em;
  line-height: 1.45;
  border-bottom: 1px solid #eee;
}
h3 {
  margin: 2.5em 0 1em;
  font-size: 1.125em;
  line-height: 1.5;
}
h3:before {
  content: "";
  display: block;
  margin: 2.5em auto;
  width: 60%;
  border-width: 1px 0 0 0;
  border-style: solid;
  background: #eee;
  color: #eee;
}
h2 + h3 {
  margin-top: 0;
}
h2 + h3:before {
  display: none;
}
h4 {
  margin: 1em 0 0.875em;
}
h4:before {
  content: "";
  display: block;
  margin: 2.5em auto;
  width: 40%;
  border-width: 1px 0 0 0;
  border-style: solid;
  background: #eee;
  color: #eee;
}
h3 + h4:before {
  display: none;
}
h5, h6 {
  margin: 1em 0 0.92em;
}

a {
  color: #4183c4;
}
a:hover {
  color: #ba3925;
  text-decoration: underline;
}

div > header {
  position: relative;
  margin: 0 0 6em;
  font-size: 0.875em;
}
div > header:before,
footer:before {
  position: absolute;
  top: 50%;
  z-index: -1;
  display: block;
  width: 100%;
  height: 1px;
  border-bottom: 1px solid #f2f2f0;
  content: "";
}
div > header h1 {
  float: right;
  margin: 0;
  padding: 0 0 0 0.4em;
  background: #fff;
  font-weight: 400;
}
div > header h1 a:hover {
  text-decoration: none;
}
div > header nav ul,
footer nav ul {
  float: left;
  margin: 0 0 0 -0.3125em;
  padding: 0.2em 0 0 0;
}
div > header nav li,
footer nav li {
  float: left;
  margin-right: 0.75em;
  padding: 0 0.3125em;
  background: #fff;
  list-style: none;
}
div > header nav li a,
footer a {
  color: #b3b3b3;
  text-decoration: none;
}

article:not(:last-child),
main > dl:not(:last-child) {
  margin-bottom: 2.5em;
  padding-bottom: 2.5em;
  border-bottom: 1px solid #f2f2f0;
}
main > dl dt a {
  color: inherit;
  text-decoration: none;
  font-weight: bold;
}
article header {
  margin-bottom: 3.13em;
}
article h1 + p {
  margin-bottom: 0.3125em;
  color: #929292;
}
article h1 ~ dl,
article header dl,
main > dl dl {
  float: left;
  margin: 0 1.25em 0 0;
  color: #b3b3b3;
  font-size: 0.875em;
}
h1 a,
article h1 ~ dl a,
article header dl a,
main > dl dl a {
  color: inherit;
  text-decoration: none;
}
article h1 ~ dl dt,
article header dl dt,
main > dl dl dt,
article nav dl dt {
  float: left;
}
article h1 ~ dl dd,
article header dl dd,
main > dl dl dd {
  float: left;
  margin: 0;
}
article h1 ~ dl ul,
article header dl ul,
main > dl dl ul {
  margin: 0;
  padding: 0;
  list-style: none;
}
article h1 ~ dl li,
article header dl li,
main > dl dl li {
  float: left;
  margin-left: 0.5em;
}
article h1 ~ dl li:first-child,
article header dl li:first-child,
main > dl dl li:first-child,
main > dl > dd,
main > h1 + ul li:first-child {
  margin-left: 0;
}
article h1 ~ dl li:not(:last-child):after,
article header dl li:not(:last-child):after,
main > dl dl li:not(:last-child):after,
main > h1 + ul li:not(:last-child):after {
  margin-left: 0.1em;
  content: ",";
}
article nav {
  margin-top: 3.625em;
  padding-top: 2.185em;
  border-top: 1px solid #f2f2f0;
}
article nav dl {
  margin: 0.315em 0 0 0;
}
article nav dl dd {
  overflow: hidden;
  margin: 0;
  padding-left: 0.25em;
}
main > dl:nth-of-type(1) {
  margin-top: 2.63em;
}
main > dl > dt {
  font-size: 1.125em;
}
main > dl > dt:after {
  display: none;
}

article div, p, dl, figure, ul, ol, pre, table {
	margin-top: 0;
	margin-right: 0;
	margin-bottom: 0,56;
	margin-left: 0;
}
img {
  max-width: 100%;
  height: auto;
}
hr {
  margin: 3em auto;
  width: 40%;
  border-width: 1px 0 0 0;
  border-style: solid;
  background: #eee;
  color: #eee;
}
dt:after {
  margin: 0 0.35em;
  content: ":";
}
pre {
  padding: 0.5em 1em;
  border: 1px solid #ddd;
  border-radius: 3px;
  background-color: #f8f8f8;
  word-wrap: break-word;
  line-height: 1.4;
}
code {
  font-size: 0.875em;
  font-family: Consolas, Inconsolata, Monaco, "Andale Mono", monospace;
}
p code {
  display: inline-block;
  margin: 0 0.5em;
  padding: 0 0.3125em;
  border: 1px solid #ddd;
  border-radius: 3px;
  background-color: #f8f8f8;
  vertical-align: 0.125em;
  line-height: 1.2;
}
blockquote {
  margin: 0 0 0.5em;
  padding: 0 0 0 2.375em;
  border-left: 0.25em solid #eee;
  color: #929292;
  font-style: italic;
}
blockquote *:last-child {
  margin-bottom: 0;
}
figcaption {
  float: right;
  font-size: 0.875em;
}
figcaption:before {
  margin-right: 0.125em;
  content: "−";
}
table {
  border-collapse: collapse;
}
th, td {
  padding: 0.125em 0.5em;
  border: 1px solid #ddd;
}
th {
  background-color: #f8f8f8;
}
ins {
  display: inline-block;
  padding-left: 3.5em;
  text-decoration: none;
}
ins:before {
  margin-left: -4em;
  content: "【追記】";
}
ins:after {
  content: "［ " attr(datatime) " ］";
}

main > h1 + ul li {
  float: left;
  margin-left: 0.75em;
  list-style: none;
  font-size: 0.94em;
}
main > h1 + ul li {
  margin-left: 0.5em;
}
main > h1 + ul {
  margin-top: 1.5em;
  padding: 0.75em 0;
  border-top: 1px solid #f2f2f0;
  border-bottom: 1px solid #f2f2f0;
}
footer {
  position: relative;
  margin-top: 5.5em;
}
footer nav ul {
  font-size: 0.875em;
}
footer p {
  float: right;
  margin: 0 -0.3125em 0 0;
  padding: 0.1em 0.3125em 0;
  background: #fff;
  color: #b3b3b3;
}

.h-code {
  margin: 1.56em 0 6px;
}
.demo {
  margin-bottom: 0;
}
.demo * {
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 14px;
  line-height: 1.8;
}
.demo ul {
  list-style: none;
}
.demo .demo-content {
	position: relative;
	width: 940px;
	max-width: 100em;
	height: 600px;
}
.demo .demo-content ul {
  position: relative;
  width: 100%;
  height: 0;
  padding-top: 56.25%;
}
.demo .demo-content li {
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 100%;
  -webkit-background-size: 100%;
  background-size: 100%;
}
.demo .load {
	position: absolute;
	line-height: 10px;
	text-align: center;
	width: 1000px;
	height: 800px;
}