@charset "UTF-8";

:root {
	--bg-height: calc(100vw * 2.8125);/*背景画像の高さ定義*/
	--bg-height-pc: calc(1000px * 2.8125);/*背景画像の高さ定義 PC用*/
	--fontFamily: "Kosugi Maru", sans-serif;
	--gradient-bg: linear-gradient(0deg, rgb(0, 0, 0), rgb(50, 67, 141));
	--white: #fff;
	--box-bg: #000d2e;
}

body {
	background-image: linear-gradient(0deg, rgb(0, 0, 0), rgb(50, 67, 141));
}
@media screen and (min-width: 751px) {
	body {
		min-width: 1080px;
	}
}

/* 背景画像
--------------------------------------------------------------------*/
.sticky-bg-container {
	display: grid;
	grid-template-areas: "stack";
	position: relative;
	width: min(1000px, 100%);
	margin-inline: auto;
}
.bg-image {
	grid-area: stack;
	position: sticky;
	top: calc(100vh - var(--bg-height));
	height: var(--bg-height);
	background-image: url('../img/main-bg.webp');
	background-size: cover;
	background-position: center;
	z-index: 1;
}
.content {
	grid-area: stack;
	padding-bottom: 50vw;
	z-index: 2;
	text-align: center;
	font-family: var(--fontFamily);
	font-weight: 400;
	font-style: normal;
}
@media screen and (min-width: 751px) {
	.sticky-bg-container {
		width: 1000px;
		margin-inline: auto;
	}
	.bg-image {
		top: calc(100vh - var(--bg-height-pc));
		height: var(--bg-height-pc);
	}	
	.content {
		padding-bottom: 300px;
	}
}

/* hero
--------------------------------------------------------------------*/
.hero {
	width: min(1000px, 100%);
	height: auto;
	aspect-ratio: 40 / 27;
}
.sr-only {
	position: absolute !important;
	width: 1px !important;
	height: 1px !important;
	padding: 0 !important;
	margin: -1px !important;
	overflow: hidden !important;
	clip: rect(0, 0, 0, 0) !important;
	white-space: nowrap !important;
	border: 0 !important;
}

/* overview
--------------------------------------------------------------------*/
.overview {
	width: min(833px, 100%);
	aspect-ratio: 400 / 633;
	margin-inline: auto;
	padding: 0 11vw;
	background: url('../img/overview-bg-sp.png') no-repeat 0 0;
	background-size: contain;
}
.overview-head {
	margin-inline: auto;
	padding-top: 23.75vw;
}
.overview-body {
	padding: 7.5vw 0;
	font-size: max(1.3rem, 3.9vw);
	text-shadow: 0px 0px 10px rgba(0, 9, 33, 1);
	text-align: left;
	line-height: 1.6;
	color: var(--white);
}
.sns-list {
	display: flex;
	justify-content: center;
	gap: 26px;
}
.sns-link {
	width: 45px;
	height: 45px;
}
.tver-link {
	width: min(327px, 70vw);
	margin-inline: auto;
	padding: 4% 0;
}

@media screen and (min-width: 751px) {
	.overview {
		aspect-ratio: 119 / 79;
		padding: 0 140px;
		background: url('../img/overview-bg-pc.png') no-repeat 0 0;
		background-size: contain;
	}
	.overview-head {
		padding: 126px 0 30px;
	}
	.overview-body {
		padding: 0;
		font-size: 1.6rem;
	}
	.sns-link  {
		width: 50px;
		height: 50px;
		padding-top: 30px;
		-webkit-transition: all 0.3s;
		transition: all 0.3s;
	}
	.sns-link:hover {
		transform: scale(1.1);
	}
}

/* panel
--------------------------------------------------------------------*/
.panels {
	padding: 3.6% 0;
}
.panel-item {
	width: min(632px, 95%);
	margin-inline: auto;
	padding-bottom: 1.8%;
	& a {
		display: block;
		width: 100%;
		aspect-ratio: 316 / 239;
	}
	& img {
		margin-left: -6%;
	}
}
.no-copy {
    pointer-events: none;
    user-select: none;
}

/* archives
--------------------------------------------------------------------*/
.archives {
	width: min(594px, 90%);
	margin-inline: auto;
	padding: 2vw;
	background: var(--box-bg);
	border-radius: 2vw;
}
.archive-ttl {
	font-size: 2.6rem;
    font-weight: bold;
    margin-bottom: 15px;
    color: #fff;
    letter-spacing: 2px;
}
.archive-list {
	display: flex;
	justify-content: space-between;
	flex-wrap: wrap;
    gap: 2rem 0.5rem;
	& li {
		width: calc(50% - 0.5rem);
		& a {
			display: block;
			width: 100%;
			aspect-ratio: 264 / 181;
		}
	}
}
@media screen and (min-width: 751px) {
	.archives {
		padding: 20px;
		border-radius: 20px;
	}
}

/* footer
--------------------------------------------------------------------*/
.footer_simple {
    background-color: var(--box-bg);
}
.footer_simple .copyright {
    color: var(--white);
    font-size: 1.3rem;
}