@charset "utf-8";
/* CSS Document - PC */

/* ==========================================================================
   ニュースレター一覧 (PC)
   ========================================================================== */

.nl_archive_section {
	padding: 70px 0 170px;
}

.nl_archive_inner {
	width: 100%;
	max-width: 1050px;
	padding: 0 25px;
	box-sizing: border-box;
	margin: 0 auto;
}

/* 絞り込みプルダウンエリア (PC) */
.nl_filter_area {
	width: 100%;
	display: flex;
	justify-content: flex-end;
	margin-bottom: 40px;
}

.nl_year_wrap {
	width: 160px;
	position: relative;
}

.nl_year_wrap select {
	width: 100%;
	height: 54px;
	border: none;
	outline: none;
	border-radius: 20px;
	background: url("../images/news/select_ico.svg") no-repeat #dce6ea right 18px center;
	background-size: 16px auto;
	padding-left: 24px;
	padding-right: 44px;
	box-sizing: border-box;
	font-family: "Noto Sans JP", sans-serif;
	font-weight: 700;
	font-size: 1.8rem;
	line-height: 1;
	color: #000;
	cursor: pointer;
	appearance: none;
	-webkit-appearance: none;
	-moz-appearance: none;
}

/* 3列グリッドレイアウト (PC時) */
.nl_archive_grid {
	display: grid;
	grid-template-columns: repeat(3, 1fr);
	gap: 40px 30px;
	list-style: none;
	padding: 0;
	margin: 0;
}

/* カードスタイル */
.nl_card {
	background: #ffffff;
	border-radius: 14px;
	box-shadow: 0 4px 18px rgba(8, 48, 90, 0.08);
	border: 1px solid rgba(8, 48, 90, 0.08);
	overflow: hidden;
	display: flex;
	flex-direction: column;
	transition: transform 0.3s ease, box-shadow 0.3s ease;
	position: relative;
}

.nl_card:hover {
	transform: translateY(-6px);
	box-shadow: 0 12px 28px rgba(8, 48, 90, 0.16);
}

/* サムネイル領域 (PDFへのリンク) */
.nl_thumb_wrap {
	display: block;
	width: 100%;
	aspect-ratio: 1 / 1.414; /* A4比率 */
	background: #eef2f5;
	position: relative;
	overflow: hidden;
	text-decoration: none;
}

.nl_thumb_wrap img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: top center;
	display: block;
	transition: transform 0.4s ease;
}

.nl_card:hover .nl_thumb_wrap img {
	transform: scale(1.03);
}

/* 本文情報領域 */
.nl_card_body {
	padding: 20px;
	display: flex;
	flex-direction: column;
	flex-grow: 1;
	box-sizing: border-box;
}

/* 発行日 */
.nl_card_date {
	font-family: "Noto Sans JP", sans-serif;
	font-size: 1.4rem;
	font-weight: 500;
	color: #666666;
	line-height: 1;
	margin: 0 0 10px 0;
	display: flex;
	align-items: center;
	gap: 6px;
}

.nl_card_date svg {
	width: 14px;
	height: 14px;
	fill: #08305a;
	opacity: 0.7;
}

/* タイトル */
.nl_card_title {
	font-family: "Noto Sans JP", sans-serif;
	font-size: 1.6rem;
	font-weight: 700;
	line-height: 1.5;
	margin: 0 0 16px 0;
	color: #08305a;
	flex-grow: 1;
}

.nl_card_title a {
	color: #08305a;
	text-decoration: none;
	transition: color 0.2s ease;
}

.nl_card_title a:hover {
	color: #0e4b8a;
	text-decoration: underline;
}

/* PDF閲覧リンクボタン */
.nl_btn_area {
	margin-top: auto;
	padding-top: 10px;
}

.nl_pdf_btn {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 8px;
	width: 100%;
	box-sizing: border-box;
	padding: 10px 16px;
	background: #08305a;
	color: #ffffff;
	font-family: "Noto Sans JP", sans-serif;
	font-size: 1.4rem;
	font-weight: 700;
	text-decoration: none;
	border-radius: 8px;
	transition: background-color 0.25s ease, transform 0.2s ease;
}

.nl_pdf_btn:hover {
	background: #0e4b8a;
}

.nl_pdf_btn svg {
	width: 14px;
	height: 14px;
	fill: currentColor;
}

/* 該当記事なし表示 */
.nl_no_posts {
	text-align: center;
	font-family: "Noto Sans JP", sans-serif;
	font-size: 1.8rem;
	font-weight: 500;
	color: #666666;
	padding: 60px 0;
}