@charset "utf-8";

/* main visual
------------------------------------------------------- */
.main-block {
	position: relative;
	width: 100%;
	height: 220px;
	background: linear-gradient(135deg, rgb(21, 32, 43) 0%, rgb(44, 54, 64) 60%);
	overflow: hidden;
}
.main-block-inner {
	margin: 0 auto;
	padding: 0 20px;
	max-width: 1280px;
}
.main-block .text-area {
	display: flex;
	flex-direction: column;
	justify-content: center;
	margin: 0 auto;
	height: 220px;
	color: #e7e9ea;
}
.main-block .text-area h1 {
	max-width: 48%;
	margin: 0;
	font-size: 3.2rem;
	font-weight: bold;
}
.main-block .text-area h1 span {
	display: block;
	font-size: 1.8rem;
}
.main-block .text-area p {
	max-width: 48%;
}
.main-block .bg-img {
	position: absolute;
	bottom: 0;
	right: 0;
	clip-path: polygon(16% 0, 100% 0, 100% 100%, 5% 100%);
	min-height: 220px;
	width: 50%;
	object-fit: cover;
}
@media only screen and (max-width: 768px) {
	.main-block .text-area h1 {
		font-size: 3rem;
	}
	.main-block .bg-img {
		clip-path: polygon(25% 0, 100% 0, 100% 100%, 10% 100%);
		width: 55%;
	}
}
@media only screen and (max-width: 480px) {
	.main-block {
		height: auto;
	}
	.main-block-inner {
		padding: 0;
	}
	.main-block .text-area {
		display: block;
		padding: 20px 20px 5px;
		width: 100%;
		height: auto;
	}
	.main-block .text-area h1 {
		max-width: none;
	}
	.main-block .text-area p {
		max-width: none;
		margin-bottom: 0;
	}
	.main-block .bg-img {
		position: static;
		clip-path: polygon(0 20%, 100% 0, 100% 100%, 0 100%);
		width: 100%;
		height: 200px;
	}
}

/* .flex-box.type-archive
------------------------------------------------------- */
/* 901px以上：3カラムが比率を保って伸縮 */
.flex-box.type-archive {
	display: grid;
	gap: 40px;
	/* 100%からgap(40px*2)を引いた残りを 1 : 1.8 : 1.2 の比率で分配 */
	grid-template-columns: 
		calc((100% - 80px) * 0.23) 
		calc((100% - 80px) * 0.46) 
		calc((100% - 80px) * 0.31);
	grid-template-areas:
		"nav main side";
	align-items: start;
	width: 100%;
	box-sizing: border-box;
	/* 描画の境界を独立させ、Safariの縦線ノイズを物理的に遮断 */
	isolation: isolate;
}

/* グリッドの中身がはみ出さないための保険 */
.flex-box.type-archive > div {
	min-width: 0;
}

.flex-box.type-archive > div:nth-child(1) { grid-area: main; }
.flex-box.type-archive > div:nth-child(2) { grid-area: nav; }
.flex-box.type-archive > div:nth-child(3) { grid-area: side; }

/* 900px以下：右カラムが下へ（ここも比率で伸縮） */
@media only screen and (max-width: 900px) {
	.flex-box.type-archive {
		gap: 30px;
		/* 比率 1 : 2.5 (合計3.5) で分配 */
		grid-template-columns: 
			calc((100% - 30px) * (1 / 3.5)) 
			calc((100% - 30px) * (2.5 / 3.5));
		grid-template-areas:
			"nav main"
			".   side";
	}
}

/* 600px以下：1カラム（縦並び） */
@media only screen and (max-width: 600px) {
	.flex-box.type-archive {
		grid-template-columns: 1fr;
		grid-template-areas:
			"main"
			"nav"
			"side";
		gap: 40px;
	}
}

/* leftnavi
------------------------------------------------------- */
.flex-box.type-archive .leftnavi ul {
	list-style: none;
	margin-top: 0;
	border-top: dotted 1px #aaa;
	padding: 0;
}
.flex-box.type-archive .leftnavi ul li {
	border-bottom: dotted 1px #aaa;
}
.flex-box.type-archive .leftnavi ul li a,
.flex-box.type-archive .leftnavi ul li span {
	display: block;
	padding: 15px 20px;
	color: #26303b;
	text-decoration: none;
	transition: .2s;
}
.flex-box.type-archive .leftnavi ul li a:hover,
.flex-box.type-archive .leftnavi ul li a:active,
.flex-box.type-archive .leftnavi ul li a:focus {
	background: #e0e0e0;
}
.flex-box.type-archive .leftnavi ul li span {
	font-weight: bold;
	background: #f0f0f0;
}
.flex-box.type-archive .leftnavi ul li span.none {
	font-weight: normal;
	background: #fff;
	opacity: 0.3;
}
.flex-box.type-archive .leftnavi ul li a,
.flex-box.type-archive .leftnavi ul li span {
	position: relative;
	padding-left: 40px;
}
.flex-box.type-archive .leftnavi ul li a::before,
.flex-box.type-archive .leftnavi ul li a::after,
.flex-box.type-archive .leftnavi ul li span::before,
.flex-box.type-archive .leftnavi ul li span::after {
	content: "";
	width: 9px;
	height: 9px;
	position: absolute;
	top: 27px;
	border-top: 2px solid #26303b;
	border-right: 2px solid #26303b;
	transform: translateY(-50%) rotate(45deg);
	transition: all 0.2s ease-in;
}
.flex-box.type-archive .leftnavi ul li a::before,
.flex-box.type-archive .leftnavi ul li span::before {
	left: 10px;
}
.flex-box.type-archive .leftnavi ul li a::after,
.flex-box.type-archive .leftnavi ul li span::after {
	left: 16px;
}

/* h2
------------------------------------------------------- */
/* --- type-archive-a START --- */
div:has(> h2.type-archive-a) {
	position: relative;
	margin-top: 40px !important;
	border-radius: 3px;
	padding: 8px 12px;
	background: linear-gradient(90deg, rgb(21, 32, 43), rgb(44, 54, 64));
}
div:has(> h2.type-archive-a):first-child {
	margin-top: 0 !important;
}
h2.type-archive-a {
	margin: 0;
	font-size: 1.8rem;
	font-weight: bold;
	color: #e7e9ea;
}
div:has(> h2.type-archive-a) a {
	position: absolute;
	top: 9px;
	right: 10px;
	transition: .3s;
}
div:has(> h2.type-archive-a) a .x {
	width: 14px;
}
div:has(> h2.type-archive-a) a:hover,
div:has(> h2.type-archive-a) a:active {
	opacity: .7;
}
/* --- type-archive-a END --- */

/* X画像
------------------------------------------------------- */
.x-media {
	--gap: 2px;
	--radius: 14px;
	--line-color: #cfd9de;
	margin-top: 25px;
	display: grid;
	gap: var(--gap);
	width: 100%;
	max-width: 640px;
	justify-self: start;
	overflow-anchor: none;
	contain: layout;
	
	/* Safariの縦線・ノイズ対策 */
	isolation: isolate; 
	-webkit-backface-visibility: hidden;
	
	/* 2枚以上の時のデフォルト（枠線あり・比率固定） */
	border: 1px solid var(--line-color);
	border-radius: var(--radius);
	overflow: hidden;
	aspect-ratio: 16 / 9;
	min-height: 180px;
	max-height: 520px;
}

/* ★1枚の時：2重線を防ぎ、バナーの高さに枠を合わせる */
.x-media[data-count="1"] {
	display: block !important;
	border: none !important;
	width: fit-content !important;
	max-width: 100%;
	height: auto !important;
	min-height: 0 !important;
	aspect-ratio: auto !important;
	background: none !important;
	overflow: visible;
}

.x-media[data-count="1"] .x-media__item {
	display: block;
	width: fit-content;
	height: auto;
}

.x-media[data-count="1"] .x-media__item img:not(.icon-a) {
	display: block;
	width: auto;
	height: auto;
	max-width: 100%;
	max-height: 520px;
	object-fit: contain;
	border: 1px solid var(--line-color) !important;
	border-radius: var(--radius);
	box-sizing: border-box;
}

/* ★2枚以上の時：Chrome/Edgeの3pxズレを「絶対配置」で封じ込める */
.x-media:not([data-count="1"]) .x-media__item {
	position: relative;
	overflow: hidden;
	width: 100%;
	height: 100%;
}

.x-media:not([data-count="1"]) .x-media__item img:not(.icon-a) {
	position: absolute;
	top: 0;
	left: 0;
	width: 100%;
	height: 100%;
	display: block;
	object-fit: cover;
}

/* --- リンク画像用のラベル設定 --- */
.x-media__item {
	position: relative;
	display: block;
}
.x-media__label {
	display: none; /* JSで表示 Safari対策 */
	position: absolute;
	bottom: 10px;
	left: 10px;
	max-width: calc(100% - 20px);
	background: rgba(0, 0, 0, 0.65);
	color: #fff;
	padding: 3px 3px 3px 7px;
	border-radius: 4px;
	font-size: 1.4rem;
	line-height: 1.4;
	pointer-events: none;
	z-index: 10;
	backdrop-filter: blur(2px);
}
.x-media__item--link > img {
	position: relative;
	top: -1px;
	transition: opacity 0.3s;
}
.x-media__item--link:hover > img {
	opacity: 0.8;
}

/* -----------------------------
	枚数ごとのレイアウト（2枚以上）
------------------------------ */
/* imgの基本設定は上の「not([data-count="1"])」で上書きされるため、ここはレイアウトのみ */
.x-media[data-count="2"] { grid-template-columns: 1fr 1fr; }
.x-media[data-count="4"] { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }

/* 3枚のレイアウト */
.x-media[data-count="3"][data-layout="split-v"] { grid-template-columns: 2fr 1fr; grid-template-rows: 1fr 1fr; }
.x-media[data-count="3"][data-layout="split-v"] > :nth-child(1) { grid-column: 1 / 2; grid-row: 1 / 3; }
.x-media[data-count="3"][data-layout="split-v"] > :nth-child(2) { grid-column: 2 / 3; grid-row: 1 / 2; }
.x-media[data-count="3"][data-layout="split-v"] > :nth-child(3) { grid-column: 2 / 3; grid-row: 2 / 3; }

.x-media[data-count="3"][data-layout="split-h"] { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.x-media[data-count="3"][data-layout="split-h"] > :nth-child(1) { grid-column: 1 / 3; grid-row: 1 / 2; }
.x-media[data-count="3"][data-layout="split-h"] > :nth-child(2) { grid-column: 1 / 2; grid-row: 2 / 3; }
.x-media[data-count="3"][data-layout="split-h"] > :nth-child(3) { grid-column: 2 / 3; grid-row: 2 / 3; }

.x-media:not([data-count="1"]) { aspect-ratio: 16 / 9; grid-auto-rows: 1fr; }

/* JSのdata-frame干渉を完全に無効化 */
.x-media[data-count="1"][data-frame] {
	width: fit-content !important;
	height: auto !important;
	aspect-ratio: auto !important;
}

/* quote
------------------------------------------------------- */
.quote {
	margin-top: 25px;
	border: solid 1px #ddd;
	border-radius: 10px;
	padding: 30px;
}

/* sequence-link
------------------------------------------------------- */
.flex-box.seq-link {
	justify-content: space-between;
	align-items: center;
	margin: 40px 0 10px;
	border-top: dotted 2px #26303b;
	border-bottom: dotted 2px #26303b;
	padding: 25px 0;
}
.flex-box.seq-link > div {
	max-width: 50%;
}
.flex-box.seq-link > div a {
	position: relative;
	display: inline-block;
}
.flex-box.seq-link > div a::before {
	content: "";
	width: 15px;
	height: 15px;
	position: absolute;
	top: 50%;
	transform: translateY(-50%) rotate(45deg);
}
.flex-box.seq-link > div.newer {
	padding-left: 10px;
}
.flex-box.seq-link > div.newer a {
	padding: 0 15px 0 30px;
}
.flex-box.seq-link > div.newer a::before {
	left: 0;
	border-bottom: 2px solid #26303b;
	border-left: 2px solid #26303b;
	transform: translateY(-50%) rotate(45deg);
}
.flex-box.seq-link > div.older {
	padding-right: 10px;
}
.flex-box.seq-link > div.older a {
	padding: 0 30px 0 15px;
}
.flex-box.seq-link > div.older a::before {
	right: 0;
	border-top: 2px solid #26303b;
	border-right: 2px solid #26303b;
	transform: translateY(-50%) rotate(45deg);
}
@media (max-width: 600px) {
	.flex-box.seq-link {
		display: none;
	}
}