html {
	scroll-behavior: smooth;
}

body {
	background-image: url('./icon_lily.svg');
	background-attachment: fixed;
	background-position: left bottom;
	background-repeat: no-repeat;
	background-size: 512px;
	background-color: rgba(238, 238, 238, 0.75);
	background-blend-mode: soft-light;
	color: #222;
	width: 100%;
	padding: 0;
	margin: 0;
	min-width: 400px;
}

h1 {
	background: #fff;
	border-radius: 5px;
	color: #1976D2;
	padding: 10px;
	display: block;
	margin: 0;
}

h2 {
	background: #1976D2;
	color: #fff;
	padding: 10px;
	display: block;
	margin: 0;
	border-radius: 5px;
}

pre, .copy-block {
	position: relative;
	margin: 1em 0;
	padding: 0;
	line-height: 1;
	font-size: 15px;
	background: #eee;
	border-radius: 5px;
}

pre code, .copy-text {
	display: block;
	margin: 0;
	padding: 2em 1em;
	max-height: 240px;
	line-height: 1.4;
	overflow: auto;
}

.copy-button {
	position: absolute;
	top: 0;
	right: 0;
	display: flex;
	justify-content: center;
	align-items: center;
	appearance: none;
	-moz-appearance: none;
	-webkit-appearance: none;
	margin: 0 auto;
	padding: 0 1em;
	height: 24px;
	border: none;
	line-height: 1;
	font-weight: bold;
	background: #455A64;
	color: #fff;
	cursor: pointer;
	border-radius: 5px;
}

.copy-button:hover {
	background: #999;
}

em {
	font-style: normal;
	font-weight: bold;
	color: #F44336;
}

.side ul {
	padding: 0;
	margin-block-end: 0;
	margin-block-start: 0;
	width: 290px;
}

.side ul li {
	width: auto;
	color: #222;
	border-left: solid 6px #2196F3; /* 左側の線 */
	background: #B3E5FC; /* 背景色 */
	margin-bottom: 5px; /* 下のバーとの余白 */
	line-height: 1.5;
	padding: 0.2em;
	padding-left: 0.5em;
	padding-right: 3em;
	list-style-type: none !important; /* ポチ消す */
	vertical-align: middle;
	box-shadow: 1px 1px 3px #666;
}
.officialweb {
	border-left: solid 6px #4CAF50 !important; /* 左側の線 */
	background: #DCEDC8 !important; /* 背景色 */
}

.returntotop {
	border-left: solid 6px #FFC107 !important; /* 左側の線 */
	background: #FFECB3 !important; /* 背景色 */
}

.differentpage {
	border-left: solid 6px #E91E63 !important; /* 左側の線 */
	background: #F8BBD0 !important; /* 背景色 */
}

.side ul li:hover {
	background: #fff !important; /* 背景 */
}

.side ul li a {
	text-decoration: none;
	display: block;
	color: #000;
}

.container {
	padding: 0;
	margin: 0;
}

.header,
.footer {
	display: flex;
	align-items: center;
	justify-content: center;
	height: 100px;
}

.content {
	display: flex;
	justify-content: center;
	flex-direction: row;
	align-items: flex-start;
	align-content: flex-start;
	flex-wrap: wrap;
}

.main {
	line-height: 1.5em;
	width: 100%;
	height: 100%;
	max-width: 600px;
	min-width: 100px;
	margin-left: 0;
	padding-left: 0;
}

.main::before {
	position: absolute;
	width: 100%;
	height: 100%;
}

.main p {
	margin: 1em 0;
}

.side {
	display: flex;
	align-items: center;
	justify-content: center;
	position: -webkit-sticky;
	position: sticky;
	top: 5px; /* 追従する */
	height: 100%;
	width: 270px;
	min-width: 270px;
	margin: 0;
	margin-right: -2.5em;
	padding: 0;
	white-space: nowrap;
}

.item {
	background: #fff;
	margin: 0;
	margin-top: 5px;
	margin-bottom: 10px;
	padding: 20px;
	position: relative;
	box-shadow: 2px 2px 5px #666;
}

hr {
	border-width: 0 0 1px;
	border-style: solid;
	border-color: #ccc;
}

#page_top {
	display: block;
	opacity: 0;
	transition: opacity 0.4s ease-in ease-out;
	pointer-events: none;
}

@media screen and (max-height: 800px),
screen and (max-width: 850px) {

	body {
		background-size: 256px !important;
	}

	.side {
		top: auto; /* 追従しない */
		margin-top: 5px;
	}

	#page_top {
		display: block;
		opacity: 0;
		transition: opacity 0.4s ease-in;
		pointer-events: none;
	}

	#page_top a {
		text-decoration: none;
		position: fixed;
		right: 20px;
		bottom: 20px;
		z-index: 100;
		color: rgb(255, 193, 7);
		background-color: rgb(255, 236, 179);
		width: 50px;
		height: 50px;
		line-height: 50px;
		font-size: 2em;
		border-radius: 50%;
		border: solid 4px rgb(255, 193, 7);
		text-align: center;
		overflow: hidden;
		box-shadow: 1px 1px 5px #666;
		margin: 0;
		padding: 0;
	}

	#page_top a:hover {
		background-color: #fff;
		cursor: pointer;
	}

	#page_top.fadein {
		opacity: 0.5;
		pointer-events: auto;
	}

}