@charset "utf-8";

/*↓header↓*/
header, .head--spacer {
	width: 100vw;
	height: 40px;
}
header, .one-column .head--spacer {
	position: fixed;
}
header {
	z-index: 1;
	position: fixed;
	top: 0;
	left: 0;
	background: #0F1F26;
	background: linear-gradient(to top, #0F1F26, #2F4F56);
}
header:after {
	position: absolute;
	bottom: 2px;
	left: 0;
	width: 100%;
	height: 2px;
	background: #C00;
	content: '';
}
/*↑header↑*/
/*↓ホーム↓*/
.head--logo {
	display: block;
	width: 120px;
	height: 24px;
	background: url('/img/akashic-logo/3w.png') center center no-repeat;
	background-size: contain;
}
.head--logo:hover {
	background-image: url('/img/akashic-logo/3r.png');
}
.SP--head--logo--box {
	display: none;
}
@media screen and (max-width:959px) {
	.SP--head--logo--box {
		z-index: 3;
		display: block;
		position: absolute;
		top: 8px;
		left: 60px;
		left: calc(env(safe-area-inset-left) + 60px);
	}
}
/*↑ホーム↑*/
/*↓SP：開閉↓*/
.SP--head--menu--show,
.SP--head--menu--hide {
	z-index: 9;
	display: none;
	position: fixed;
	top: 8px;
	left: 8px;
	left: calc(env(safe-area-inset-left) + 8px);
	width: 44px;
	height: 44px;
	box-shadow: 0 1px 2px rgba(15, 31, 38, 0.8);
	border: solid 1px #FFF;
	padding: 9px;
	cursor: pointer;
}
.SP--head--menu--show {
	background: #C00;
}
.SP--head--menu--hide {
	background: #012;
}
.SP--head--menu--show:after,
.SP--head--menu--hide:after {
	display: block;
	width: 24px;
	height: 24px;
	content: '';
}
.SP--head--menu--show:after {
	background: url('/img/akashic-logo/2w.png') center center no-repeat;
	background-size: contain;
}
.SP--head--menu--hide:after {
	background: url('/img/icons.png') 0 0 no-repeat;
	background-size: cover;
}
@media screen and (max-width:959px) {
	.SP--head--menu--show {
		display: block;
	}
}
/*↑SP：開閉↑*/
/*↓メニュー↓*/
.head--menu--outer {
	z-index: 2;
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 40px;
	padding-top: 8px;
}
.head--menu {
	height: 28px;
	text-align: center;
	margin: 0 auto;
}
.head--menu--item {
	position: relative;
	display: inline-block;
}
.head--menu--item {
	width: 104px;
	font-size: 12px;
	line-height: 1.0;
}
/* 3個目はロゴ */
.head--menu--item:nth-child(3) {
	width: 120px;
	margin: 0 8px 4px;
}
@media screen and (max-width:959px) {
	.head--menu--outer {
		z-index: 4;
		left: -100vw;
		overflow-y: scroll;
		width: calc(100vw - 20%);
		height: 100vh;
		background: #030609;
		box-shadow: 0 0 4px rgba(0, 0, 0, 0.8);
		padding-top: 0;
		opacity: 0.0;
		transition: left 0.5s, opacity 0.5s;
		-webkit-overflow-scrolling: auto;
	}
	.head--menu--outer::-webkit-scrollbar {
		display: none;
	}
	.head--menu--outer.show {
		left: 0;
		opacity: 1.0;
	}
	.head--menu:before,
	.head--menu:after {
		display: block;
		background: #001019 repeat-x;
		background-size: contain;
		width: 100%;
		opacity: 0.5;
		content: '';
	}
	.head--menu:before {
		height: 32px;
		background-image: url('/img/header/bg-1.png');
	}
	.head--menu:after {
		height: 96px;
		background-image: url('/img/header/bg-2.png');
	}
	.head--menu--item {
		width: 100%;
	}
	.head--menu--item:nth-child(3) {
		display: none;
	}
}
/*↑メニュー↑*/
/*↓メニュー＞タブ↓*/
.head--menu--item--tab {
	height: 28px;
}
.head--menu--item--tab:before,
.head--menu--item--tab:after {
	display: block;
	position: absolute;
	bottom: 0;
	left: 0;
}
.head--menu--item--tab:before {
	width: 100%;
	height: 0;
	background: #C00;
	background: linear-gradient(to top, #C00, #F00);
	border-radius: 4px 4px 0 0;
	opacity: 0.0;
	transition: height 0.25s;
	content: '';
}
.head--menu--item:hover .head--menu--item--tab:before {
	height: 100%;
	opacity: 1.0;
}
.head--menu--item--tab:after {
	width: 100%;
	color: #FFF;
	text-decoration: none !important;
	padding: 8px;
}
.head--menu--item:nth-child(1) .head--menu--item--tab:after {
	content: '入門';
}
.head--menu--item:nth-child(2) .head--menu--item--tab:after {
	content: 'ガイド';
}
.head--menu--item:nth-child(4) .head--menu--item--tab:after {
	content: 'リファレンス';
}
.head--menu--item:nth-child(5) .head--menu--item--tab:after {
	content: 'サンプルデモ';
}
@media screen and (max-width:959px) {
	.head--menu--item--tab {
		height: auto;
		background: #A00;
		background: linear-gradient(to top, #A00, #800);
		box-shadow: 0 0 2px #600 inset;
	}
	.head--menu--item--tab:before {
		display: none;
	}
	.head--menu--item--tab:after {
		position: static;
		text-shadow: 0 1px 1px #600;
	}
}
/*↑メニュー＞タブ↑*/
/*↓メニュー＞コンテンツ↓*/
.head--menu--item--list {
	position: absolute;
	top: 28px;
	left: 0;
	background: #C00;
	text-align: left;
	padding: 4px 0;
	visibility: hidden;
	opacity: 0.0;
	transition: visibility 0.25s, opacity 0.25s;
}
.head--menu--item:nth-child(n+4) .head--menu--item--list {
	left: auto;
	right: 0;
}
.head--menu--item:hover .head--menu--item--list {
	visibility: visible;
	opacity: 1.0;
}
.head--menu--item--list li {
	height: 0;
	transition: height 0.25s;
}
.head--menu--item:hover .head--menu--item--list li {
	height: 32px;
}
.head--menu--item--list li a {
	display: block;
	background: #C00;
	color: #FCC;
	white-space: nowrap;
	text-decoration: none;
	padding: 10px 16px;
	transition: background 0.25s, color 0.25s;
}
.head--menu--item--list li a:hover {
	background: #900;
	color: #FFF;
}
/* pc用 サンプルデモのリンク */
.head--menu--item--list#demo-sp {
	display: none;
}

@media screen and (max-width:959px) {
	.head--menu--item--list {
		visibility: visible;
		opacity: 1.0;
		position: static;
		text-align: center;
		border-top: solid 1px #F63;
		border-bottom: solid 1px #600;
		padding: 0;
	}
	.head--menu--item--list li,
	.head--menu--item:hover .head--menu--item--list li {
		height: auto;
	}
	.head--menu--item--list li a {
		padding: 14px 8px;
	}
	.head--menu--item--list li a:hover {
		background: #C00;
	}
	/* sp用 サンプルデモのメニュー */
	.head--menu--item--list#demo-pc {
		display: none;
	}
	.head--menu--item--list#demo-sp {
		display: block;
	}
}
/*↑メニュー＞コンテンツ↑*/

/* サンプルデモページ */
.demo .head--spacer {
	top: 0;
	position: fixed;
}