/*
Theme Name: SMC Japan Astra Child
Theme URI: https://smc-japan.org/
Template: astra
Author: SMC Japan
Author URI: https://smc-japan.org/
Description: SMC Japan用 Astra子テーマ
Version: 1.0.0
*/

/* ==========================================================================
	CSS Variables
	========================================================================== */
:root {
	/* Colors - D1 (Design 1) */
	--d1-col-main: #B44219;
	--d1-col-main-deep: #D74F38;
	--d1-col-bg: #FFFCF5;
	--d1-col-bg2: #F2EDE0;
	--d1-col-sub: #CDC9BE;
	--d1-col-text: #000000;
	--d1-col-text-light: #666666;

	/* Colors - D2 (Design 2) */
	--d2-col-main-deep: #74698C;

	/* Typography */
	--d1-font-family: 'Roboto', 'Noto Sans JP', sans-serif;

	/* Layout */
	--d1-border-radius: 16px;
	--d1-border-radius-pill: 28px;
	--d1-container-max-width: 1512px;
	--d1-section-padding: 80px;

	/*
	 * Breakpoints (参照用 - CSS変数は@media内で使用不可)
	 * Astra標準ブレークポイントに準拠
	 *
	 * Tablet:   max-width: 921px
	 * Mobile:   max-width: 544px
	 */
}

/* ==========================================================================
	Global Reset & Base Styles
	========================================================================== */
body {
	background-color: var(--d1-col-bg);
	font-family: var(--d1-font-family);
	color: var(--d1-col-text);
}

/* Astra Scroll to Top ボタンを非表示 */
#ast-scroll-top {
	display: none !important;
}

/* Astra親テーマのフォント設定を上書き */
body,
h1, h2, h3, h4, h5, h6,
.site-title, .site-title a,
.entry-content h1, .entry-content h2, .entry-content h3,
.entry-content h4, .entry-content h5, .entry-content h6,
.entry-content :where(h1, h2, h3, h4, h5, h6),
.entry-content :where(h1, h2, h3, h4, h5, h6) a,
button, input, select, textarea,
.ast-button, .ast-custom-button {
	font-family: var(--d1-font-family);
}

/* Sticky headerを有効にするため、親要素のoverflowを解除 */
/* overflow-x: clipはSafariでstickyのバウンスを引き起こすため使用しない */
html,
body,
#page,
.site,
.site-content {
	overflow-y: visible !important;
}

/* Container */
.container {
	max-width: var(--d1-container-max-width);
	margin: 0 auto;
	padding: 0 72px;
}

@media (max-width: 921px) {
	.container {
		padding: 0 16px;
	}
}

/* ==========================================================================
	Header Styles
	========================================================================== */
.site-header,
#masthead {
	background-color: var(--d1-col-main) !important;
	position: -webkit-sticky !important;
	position: sticky !important;
	top: 0 !important;
	z-index: 1000 !important;
	overflow: visible;
}

/* タブレット時（921px以下）のヘッダー対応 */
@media (max-width: 921px) {

	.site-header,
	#masthead,
	.ast-mobile-header-wrap .ast-main-header-bar-alignment,
	.ast-header-break-point .site-header,
	.site-header-inner,
	.site-navigation,
	.site-branding,
	.nav-actions {
		background-color: var(--d1-col-main) !important;
	}

	/* ヘッダーメニューを非表示（モーダルメニューのみ表示） */
	.main-header-bar-navigation {
		display: none !important;
	}
}

/* PC版でメニューがはみ出す場合、メニューを非表示（モーダルメニューのみ表示） */
/* visibility + width:0 で非表示にし、scrollWidthで幅を取得可能にする */
.header-menu-overflow .main-header-bar-navigation {
	visibility: hidden;
	opacity: 0;
	width: 0;
	overflow: hidden;
	pointer-events: none;
}

.site-header-inner {
	max-width: var(--d1-container-max-width);
	margin: 0 auto;
	padding: 36px 36px;
	display: flex;
	justify-content: space-between;
	align-items: center;
	height: 104px;
	box-sizing: border-box;
	background-color: transparent !important;
}

.site-branding {
	flex-shrink: 0;
	margin-right: 0;
}

.site-logo-link {
	display: block;
}

.site-logo {
	width: 310px;
	height: 32px;
}

/* モバイル版: ロゴサイズ */
@media (max-width: 544px) {
	.site-logo {
		width: 192px;
		height: 20px;
	}
}

/* モバイル時（544px以下）のヘッダー高さ */
@media (max-width: 544px) {
	.site-header-inner {
		height: 48px !important;
		padding: 8px 16px !important;
	}
}

.site-navigation {
	display: flex;
	align-items: center;
	gap: 16px;
	overflow: visible;
	background-color: transparent !important;
}

/* ヘッダーナビゲーションコンテナ */
.main-header-bar-navigation,
.site-navigation .main-header-bar-navigation {
	overflow-x: auto;
	overflow-y: visible;
	-webkit-overflow-scrolling: touch;
	background-color: transparent !important;
	/* スクロールバーを非表示（リサイズ時のちらつき防止） */
	scrollbar-width: none; /* Firefox */
	-ms-overflow-style: none; /* IE, Edge */
}

.main-header-bar-navigation::-webkit-scrollbar {
	display: none; /* Chrome, Safari */
}

.main-header-menu {
	display: flex !important;
	align-items: stretch;
	gap: 16px !important;
	list-style: none;
	margin: 0;
	padding: 0;
	flex-wrap: nowrap;
}

/* メニューアイテム */
.main-header-menu>.menu-item {
	margin: 0 !important;
	padding: 0 !important;
	flex-shrink: 0;
	position: relative;
	display: flex;
	align-items: center;
}

/* ヘッダーメニューのリンクスタイル */
.main-header-menu .menu-item>.menu-link {
	color: white !important;
	font-size: 16px;
	font-weight: 700;
	text-decoration: none;
	display: flex !important;
	align-items: center;
	text-align: left !important;
	padding: 8px;
}

/* ホバー時のアンダーライン（ヘッダーバー下端に統一） */
.main-header-menu>.menu-item::before {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	right: 0;
	height: 1px;
	background-color: var(--d1-col-bg);
	transform: scaleX(0);
	transition: transform 0.3s ease;
}

.main-header-menu>.menu-item:hover::before,
.main-header-menu>.menu-item.focus::before {
	transform: scaleX(1);
}

/* サブメニューを持つ項目のリンクをflexboxで配置 */
.main-header-menu .menu-item-has-children>.menu-link {
	display: flex !important;
	align-items: center;
}

/* サブメニューを持つ項目の矢印アイコン */
.main-header-menu .menu-item-has-children>.menu-link::after {
	content: "" !important;
	display: block;
	width: 16px;
	height: 16px;
	margin-left: 8px;
	flex-shrink: 0;
	background-image: url('assets/images/icons/d1_Down.svg');
	background-size: contain;
	background-repeat: no-repeat;
	background-position: center;
}

/* サブメニュー（プルダウン） */
.main-header-menu>.menu-item>.sub-menu {
	position: fixed !important;
	top: 104px;
	left: 0;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.2s ease, visibility 0.2s ease;
	z-index: 100000;
	list-style: none;
	margin: 0;
	padding: 8px 0;
	background: rgba(215, 79, 56, 0.7) !important;
	backdrop-filter: blur(20px);
	-webkit-backdrop-filter: blur(20px);
	border: none !important;
	border-radius: 8px;
	box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15) !important;
	/* 7行を超えたら2列表示 */
	display: flex;
	flex-direction: column;
	flex-wrap: wrap;
	align-content: flex-start;
	max-height: calc(7 * 44px);
	width: max-content;
}

/* ホバー時にサブメニューを表示 */
.main-header-menu>.menu-item:hover>.sub-menu,
.main-header-menu>.menu-item.focus>.sub-menu {
	opacity: 1;
	visibility: visible;
}

/* ページ読み込み直後のhover残留を防止 */
.main-header-menu.is-hover-disabled>.menu-item:hover>.sub-menu {
	opacity: 0;
	visibility: hidden;
}

/* サブメニュー内のリンクスタイル */
.main-header-menu .sub-menu .menu-item {
	margin: 0;
	padding: 0;
	width: auto;
}

.main-header-menu .sub-menu .menu-link {
	color: #fff !important;
	padding: 12px 40px !important;
	font-size: 14px;
	font-weight: 400;
	line-height: 1.4 !important;
	display: flex !important;
	align-items: flex-start !important;
	text-decoration: none;
	white-space: nowrap;
}

/* サブメニュー内のリンクに矢印アイコンを追加 */
.main-header-menu .sub-menu .menu-link::before {
	content: "";
	display: inline-block;
	width: 16px;
	height: 16px;
	margin-right: 8px;
	flex-shrink: 0;
	align-self: center;
	background-color: #fff;
	mask-image: url('assets/images/icons/d1_Arrow.svg');
	mask-size: contain;
	mask-repeat: no-repeat;
	mask-position: center;
	-webkit-mask-image: url('assets/images/icons/d1_Arrow.svg');
	-webkit-mask-size: contain;
	-webkit-mask-repeat: no-repeat;
	-webkit-mask-position: center;
}

.main-header-menu .sub-menu .menu-link:hover {
	background: rgba(255, 255, 255, 0.1) !important;
	color: #fff !important;
}

.nav-actions {
	display: flex;
	align-items: center;
	gap: 16px;
}

.btn-lang-toggle {
	width: 64px;
	height: 32px;
	background-color: var(--d1-col-bg);
	border: none;
	border-radius: 16px;
	cursor: pointer;
	position: relative;
}

.lang-indicator {
	position: absolute;
	left: 4px;
	top: 4px;
	width: 24px;
	height: 24px;
	background-color: var(--d1-col-main);
	border-radius: 50%;
	transition: left 0.3s ease;
}

.btn-lang-toggle.active .lang-indicator {
	left: 36px;
}

.btn-search,
.btn-menu-toggle {
	background: transparent;
	border: none;
	color: var(--d1-col-main);
	cursor: pointer;
	padding: 4px;
}

.btn-search svg {
	display: block;
}

.btn-menu-toggle {
	display: flex;
	flex-direction: column;
	gap: 4px;
}

.menu-bar {
	display: block;
	width: 16px;
	height: 2px;
	background-color: var(--d1-col-main);
}


/* ==========================================================================
	Footer Styles
	========================================================================== */
.site-footer {
	background-color: var(--d1-col-bg2);
}

.site-footer-inner {
	max-width: var(--d1-container-max-width);
	margin: 0 auto;
	padding: 32px 33px;
	display: flex;
	justify-content: space-between;
	align-items: center;
}

.footer-navigation {
	flex: 1;
}

.footer-menu {
	display: flex;
	align-items: center;
	gap: 16px;
	list-style: none;
	margin: 0;
	padding: 0;
}

.footer-menu li a {
	color: var(--d1-col-text);
	font-size: 20px;
	font-weight: 400;
	text-decoration: none;
	line-height: 36px;
	padding: 0 16px;
	transition: opacity 0.3s ease;
}

.footer-menu li a:hover {
	opacity: 0.7;
}

.footer-logo {
	flex-shrink: 0;
}

.footer-site-logo {
	width: 220px;
	height: auto;
}

@media (max-width: 921px) {
	.site-footer-inner {
		flex-direction: column;
		align-items: flex-start;
		gap: 64px;
	}

	.footer-menu {
		flex-direction: column;
		align-items: flex-start;
		gap: 12px;
	}

	.footer-menu li a {
		font-size: 16px;
		padding: 0;
	}
}

/* ==========================================================================
	SMC Modal - トリガーボタン
	========================================================================== */
.smc-modal-trigger {
	display: flex;
	align-items: center;
	justify-content: center;
	gap: 0;
	background-color: var(--d1-col-bg) !important;
	border: none !important;
	border-radius: 24px !important;
	width: 64px;
	height: 32px;
	padding: 0 !important;
	cursor: pointer;
	transition: all 0.3s ease;
	will-change: transform;
}

.smc-modal-trigger:hover {
	background-color: var(--d1-col-bg) !important;
	opacity: 0.9;
	transform: scale(1.05);
}

.smc-modal-trigger:active,
.smc-modal-trigger:focus,
.smc-modal-trigger:focus-visible {
	background-color: var(--d1-col-bg) !important;
	outline: 2px solid var(--d1-col-main) !important;
	outline-offset: 2px !important;
	box-shadow: none !important;
}

/* SVGアイコン */
.smc-modal-trigger__icon--search,
.smc-modal-trigger__icon--menu {
	display: block;
	width: 16px;
	height: 16px;
	flex-shrink: 0;
}

/* ==========================================================================
	SMC Modal - オーバーレイ・コンテナ
	========================================================================== */
/* モーダル表示時のスクロール防止 */
html.smc-modal-open,
body.smc-modal-open {
	overflow: hidden !important;
	height: 100% !important;
}

.smc-modal-overlay {
	position: fixed;
	top: 0;
	left: 0;
	width: 100vw;
	height: 100vh;
	background: rgba(0, 0, 0, 0.5);
	z-index: 99999;
	overflow-y: auto;
	opacity: 0;
	visibility: hidden;
	transition: opacity 0.5s ease, visibility 0.5s ease;
}

.smc-modal-overlay.is-open {
	opacity: 1;
	visibility: visible;
}

.smc-modal-content-wrapper {
	position: relative;
	background: var(--d1-col-main-deep);
	width: 100%;
	min-height: 100vh;
	display: flex;
	flex-direction: column;
}

.smc-modal-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	height: 52px;
	background: var(--d1-col-main-deep);
	z-index: 1;
}

.smc-modal-close {
	position: absolute;
	top: 20px;
	right: 20px;
	background: none !important;
	border: none;
	font-size: 28px;
	cursor: pointer;
	color: #fff;
	line-height: 1;
	padding: 0;
	width: 32px;
	height: 32px;
}

.smc-modal-body {
	flex: 1;
	padding-top: 52px;
	display: flex;
	align-items: center;
	justify-content: center;
}

.smc-modal-close:hover {
	color: rgba(255, 255, 255, 0.7);
	background: none !important;
}

.smc-modal-close:focus,
.smc-modal-close:active {
	background: none !important;
	outline: none;
	box-shadow: none;
}

/* ==========================================================================
	SMC Modal - コンテンツ（2カラム）
	========================================================================== */
.smc-modal-content {
	display: grid;
	grid-template-columns: minmax(0, 552px) minmax(0, 552px);
	grid-template-rows: auto 1fr auto;
	grid-template-areas:
		"nav search"
		"nav tags"
		"nav logo";
	gap: 60px clamp(60px, 8vw, 120px);
	padding: 8px clamp(60px, 8vw, 120px) 60px;
	justify-content: center;
}

/* PC用：各エリアの配置 */
.smc-modal-search-area {
	grid-area: search;
}

.smc-modal-nav {
	grid-area: nav;
}

.smc-modal-tags-area {
	grid-area: tags;
}

.smc-modal-logo {
	grid-area: logo;
	margin-top: auto;
	text-align: right;
}

.smc-modal-heading {
	font-size: 20px;
	font-weight: normal;
	color: #fff;
	margin: 0 0 8px 0;
	padding-bottom: 0;
	line-height: 36px;
}

.smc-modal-heading--site,
.smc-modal-heading--search {
	margin-bottom: 30px;
}

.smc-modal-heading--tags {
	margin-bottom: 20px;
}

/* ==========================================================================
	SMC Modal - 左カラム（ナビゲーション）
	========================================================================== */
.smc-nav-menu {
	display: flex;
	flex-direction: column;
	gap: 24px;
}

.smc-nav-section {
	display: flex;
	flex-direction: column;
	gap: 8px;
}

.smc-nav-title {
	font-size: 16px;
	font-weight: bold;
	color: #333;
}

.smc-nav-list {
	list-style: none !important;
	margin: 0;
	padding: 0;
}

.smc-nav-list .sub-menu {
	list-style: none !important;
	margin: 0;
	padding: 30px 0 0 0;
}

.smc-nav-section--single .smc-nav-list {
	padding-left: 0;
}

.smc-nav-section--single .smc-nav-list li {
	margin-bottom: 16px;
}

.smc-nav-list li {
	margin: 0;
	line-height: 1.8;
	list-style: none !important;
}

/* 親メニュー項目（1階層目）の下にスペース */
.smc-nav-list>li {
	margin-bottom: 30px;
}

/* 子メニュー項目（2階層目）はスペースなし */
.smc-nav-list .sub-menu li {
	margin-bottom: 0;
}

/* Astraのドロップダウン矢印を非表示 */
.smc-nav-list .ast-header-navigation-arrow {
	display: none;
}

.smc-nav-list a,
.smc-nav-list a.menu-link {
	color: #fff;
	text-decoration: none;
	font-size: 24px;
	line-height: 36px;
	display: block;
	padding: 0;
}

/* 子メニューを持つ親要素はクリック不可 */
.smc-nav-list .menu-item-has-children > a {
	pointer-events: none;
	cursor: default;
}

/* 子メニュー項目の前に「・」を追加 */
.smc-nav-list .sub-menu a::before {
	content: "・";
	color: #fff;
}

/* 親メニュー項目の前には「・」を付けない */
.smc-nav-list>li>a::before {
	content: none;
}

.smc-nav-section--single .smc-nav-list a::before {
	content: none;
}

.smc-nav-list a:hover {
	color: rgba(255, 255, 255, 0.7);
	background-color: rgba(255, 255, 255, 0.1);
}

/* ==========================================================================
	SMC Modal - 検索フォーム・タグクラウド
	========================================================================== */

/* 検索フォーム */
.smc-search-form {
	display: flex;
	gap: 0;
	height: 60px;
}

.smc-search-field {
	flex: 1;
	height: 60px !important;
	box-sizing: border-box !important;
	padding: 0 16px !important;
	border: 1px solid #fff !important;
	border-right: none !important;
	border-radius: 9999px 0 0 9999px !important;
	font-size: 14px;
	outline: none;
	background: transparent !important;
	background-color: transparent !important;
	color: #fff !important;
	-webkit-appearance: none;
	-moz-appearance: none;
	appearance: none;
}

.smc-search-field:-webkit-autofill,
.smc-search-field:-webkit-autofill:hover,
.smc-search-field:-webkit-autofill:focus {
	-webkit-box-shadow: 0 0 0 1000px var(--d1-col-main-deep) inset !important;
	-webkit-text-fill-color: #fff !important;
}

.smc-search-field::placeholder {
	color: #ccc;
}

.smc-search-submit {
	padding: 12px 24px;
	background: #fff;
	color: var(--d1-col-main-deep);
	border: 1px solid #fff;
	border-radius: 0 9999px 9999px 0;
	font-size: 14px;
	cursor: pointer;
}

.smc-search-submit:hover {
	background: rgba(255, 255, 255, 0.9);
	color: var(--d1-col-main-deep);
}

/* タグクラウド */
.smc-tag-cloud {
	display: flex;
	flex-wrap: wrap;
	gap: 0 24px;
	font-size: 24px;
	line-height: 36px;
}

.smc-tag-cloud a {
	color: #fff;
	text-decoration: none;
	white-space: nowrap;
}

.smc-tag-cloud a:hover {
	color: rgba(255, 255, 255, 0.7);
	background-color: rgba(255, 255, 255, 0.1);
}

.smc-no-tags {
	color: #999;
	font-size: 14px;
}

.smc-modal-logo img {
	width: 240px;
	height: auto;
}

/* ==========================================================================
	SMC Modal - レスポンシブ（タブレット 921px以下）
	========================================================================== */
@media (max-width: 921px) {

	/* モーダルコンテンツを上寄せに変更 */
	.smc-modal-body {
		align-items: flex-start;
	}

	/* 閉じるボタンの位置調整 */
	.smc-modal-close {
		top: 12px;
		right: 12px;
	}

	/* 1カラムに変更 */
	.smc-modal-content {
		display: flex;
		flex-direction: column;
		gap: 52px;
		padding: 8px 24px 40px;
	}

	/* 順序: 検索 → ナビ → タグ → ロゴ */
	.smc-modal-search-area {
		order: 1;
	}

	.smc-modal-nav {
		order: 2;
	}

	.smc-modal-tags-area {
		order: 3;
	}

	.smc-modal-logo {
		order: 4;
		text-align: center;
		margin-top: 16px;
	}

	.smc-modal-logo img {
		width: 240px;
		height: auto;
	}

	/* モバイル用フォントサイズ */
	.smc-modal-heading {
		font-size: 20px;
		line-height: 36px;
	}

	.smc-modal-heading--site,
	.smc-modal-heading--search,
	.smc-modal-heading--tags {
		margin-bottom: 20px;
	}

	.smc-search-form {
		height: auto;
	}

	.smc-search-field {
		height: auto;
		padding: 12px 16px;
	}

	.smc-nav-list a,
	.smc-nav-list a.menu-link {
		font-size: 16px;
		line-height: 36px;
	}

	.smc-nav-list>li>a {
		padding: 4px 0 !important;
	}

	.smc-nav-list>li {
		margin-bottom: 8px;
	}

	.smc-nav-list .sub-menu {
		padding-top: 8px;
	}

	/* 子メニュー項目（・付き）の行間 */
	.smc-nav-list .sub-menu li {
		line-height: 30px;
	}

	/* タグクラウド */
	.smc-tag-cloud {
		gap: 0 16px;
		font-size: 16px;
		line-height: 30px;
	}
}

/* ==========================================================================
	SMC Modal - レスポンシブ（スマホ 544px以下）
	========================================================================== */
@media (max-width: 544px) {

	/* コンテンツのpadding調整 */
	.smc-modal-content {
		padding: 8px 16px 32px;
	}
}

/* ==========================================================================
	Astra互換スタイル
	========================================================================== */

/* デフォルトのシェブロンSVGを非表示（Astraテーマ用） */
.main-header-menu .menu-item-has-children>.menu-link .ast-header-navigation-arrow,
.ast-header-break-point .main-header-menu .ast-menu-toggle {
	display: none !important;
}

/* ==========================================================================
	Post Card List - 共通スタイル
	==========================================================================

	.post-card-list コンポーネントのレイアウト上書きルール

	■ ベーススタイル（front-page.css）
	  - .post-card-list: Newsセクション用（メタ情報横並び）

	■ グリッドレイアウト用（本セクション）
	  - .post-card-grid-layout: Expert Reaction / Archive 共通（メタ情報縦並び）

	■ 差分スタイル（各CSS）
	  - .expert-reaction-grid: 罫線あり、min-height: 300px
	  - .archive-grid: 罫線なし、min-height: 240px

	■ レスポンシブ
	  - タブレット/スマホ: 全セクション共通レイアウト
	========================================================================== */

/* --- PC版: 2列グリッド用の共通カードスタイル --- */

/* グリッドレイアウト */
.expert-reaction-grid .post-card-list__link,
.archive-grid .post-card-list__link {
	display: grid;
	grid-template-columns: 1fr 170px;
	grid-template-rows: auto 1fr;
	gap: 4px 12px;
	padding: 20px;
	box-sizing: border-box;
}

.expert-reaction-grid .post-card-list__content,
.archive-grid .post-card-list__content {
	display: contents;
}

/* メタ情報: 1行目、全幅、縦並び（日付→改行→カテゴリー） */
.expert-reaction-grid .post-card-list__meta,
.archive-grid .post-card-list__meta {
	grid-column: 1 / -1;
	grid-row: 1;
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 0;
	position: relative;
}

/* 矢印: メタ情報の右端、日付と同じ高さに配置 */
.expert-reaction-grid .post-card-list__arrow,
.archive-grid .post-card-list__arrow {
	position: absolute;
	right: 0;
	top: 0;
	height: 30px;
}

/* 日付: 16px、オレンジ */
.expert-reaction-grid .post-card-list__date,
.archive-grid .post-card-list__date {
	font-size: 16px;
	line-height: 30px;
	color: var(--d1-col-main);
	font-weight: 400;
}

/* カテゴリー: 18px、オレンジ */
.expert-reaction-grid .post-card-list__category,
.archive-grid .post-card-list__category {
	font-size: 18px;
	line-height: 30px;
	color: var(--d1-col-main);
	font-weight: 400;
	cursor: pointer;
}

/* タイトル: 2行目左側 */
.expert-reaction-grid .post-card-list__title,
.archive-grid .post-card-list__title {
	grid-column: 1;
	grid-row: 2;
	align-self: start;
	font-size: 26px;
	font-weight: 400;
	line-height: 36px;
	margin: 0;
}

/* サムネイル: 2行目右側、170×170px、縦中央 */
.expert-reaction-grid .post-card-list__thumbnail,
.archive-grid .post-card-list__thumbnail {
	grid-column: 2;
	grid-row: 2;
	width: 170px;
	height: 170px;
	align-self: center;
	border-radius: 16px;
	overflow: hidden;
}

.expert-reaction-grid .post-card-list__thumbnail img,
.archive-grid .post-card-list__thumbnail img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	border-radius: 16px;
}

/* サムネイルがない場合は非表示 */
.expert-reaction-grid .post-card-list__thumbnail--empty,
.archive-grid .post-card-list__thumbnail--empty {
	display: none;
}

/* ホバーエフェクト用トランジション */
.post-card-list__date {
	transition: opacity 0.3s ease;
}

.post-card-list__category {
	transition: opacity 0.3s ease, text-decoration 0.3s ease;
}

.post-card-list__title {
	transition: color 0.3s ease;
}

.post-card-list__thumbnail img {
	transition: opacity 0.3s ease;
}

.post-card-list__arrow {
	display: block;
	width: 32px;
	height: 32px;
	background-color: var(--d1-col-main);
	-webkit-mask-image: url('assets/images/icons/Arrow.svg');
	mask-image: url('assets/images/icons/Arrow.svg');
	-webkit-mask-size: contain;
	mask-size: contain;
	-webkit-mask-repeat: no-repeat;
	mask-repeat: no-repeat;
	-webkit-mask-position: center;
	mask-position: center;
	transition: opacity 0.3s ease;
}

/* ホバーエフェクト */
.post-card-list__link:hover .post-card-list__date,
.post-card-list__link:hover .post-card-list__category,
.post-card-list__link:hover .post-card-list__arrow {
	opacity: 0.5;
}

.post-card-list__link:hover .post-card-list__title {
	color: #aaaaaa;
}

.post-card-list__link:hover .post-card-list__thumbnail img {
	opacity: 0.8;
}

/* --- タブレット (921px以下): 共通レイアウト --- */
@media (max-width: 921px) {
	.expert-reaction-grid .post-card-list__link,
	.archive-grid .post-card-list__link {
		display: grid;
		grid-template-columns: 1fr 190px;
		grid-template-rows: auto 1fr;
		gap: 8px 24px;
		padding: 24px 0;
		min-height: 248px;
		box-sizing: border-box;
	}

	.expert-reaction-grid .post-card-list__meta,
	.archive-grid .post-card-list__meta {
		grid-column: 1 / -1;
		grid-row: 1;
	}

	.expert-reaction-grid .post-card-list__title,
	.archive-grid .post-card-list__title {
		grid-column: 1;
		grid-row: 2;
		font-size: 26px;
		line-height: 36px;
	}

	/* サムネイル: 190×160px */
	.expert-reaction-grid .post-card-list__thumbnail,
	.archive-grid .post-card-list__thumbnail {
		grid-column: 2;
		grid-row: 2;
		width: 190px;
		height: 160px;
	}
}

/* --- モバイル (544px以下): 縦並びレイアウト --- */
@media (max-width: 544px) {
	.expert-reaction-grid .post-card-list__link,
	.archive-grid .post-card-list__link {
		display: flex;
		flex-direction: column;
		align-items: stretch;
		min-height: auto;
		padding: 34px 8px 28px;
		gap: 17px;
	}

	.expert-reaction-grid .post-card-list__content,
	.archive-grid .post-card-list__content {
		display: flex;
		flex-direction: column;
		gap: 0;
	}

	/* サムネイルを上部に配置 */
	.expert-reaction-grid .post-card-list__thumbnail,
	.archive-grid .post-card-list__thumbnail {
		order: -1;
		width: 100%;
		height: 171px;
	}

	/* サムネイルがない場合は非表示 */
	.expert-reaction-grid .post-card-list__thumbnail--empty,
	.archive-grid .post-card-list__thumbnail--empty {
		display: none;
	}

	/* タイトルを上、メタ情報を下に */
	.expert-reaction-grid .post-card-list__title,
	.archive-grid .post-card-list__title {
		order: -1;
		font-size: 20px;
		line-height: 30px;
		margin-bottom: 8px;
	}

	/* メタ情報を縦並び */
	.expert-reaction-grid .post-card-list__meta,
	.archive-grid .post-card-list__meta {
		flex-direction: column;
		align-items: flex-start;
		gap: 0;
	}

	/* カテゴリーを上に */
	.expert-reaction-grid .post-card-list__category,
	.archive-grid .post-card-list__category {
		order: -1;
		font-size: 16px;
		line-height: 36px;
	}

	.expert-reaction-grid .post-card-list__date,
	.archive-grid .post-card-list__date {
		font-size: 16px;
		line-height: 36px;
	}

	/* スマホでは矢印を非表示 */
	.expert-reaction-grid .post-card-list__arrow,
	.archive-grid .post-card-list__arrow {
		display: none;
	}
}

/* ==========================================================================
	Comments Form - コメント投稿ボタン
	========================================================================== */
#comments .submit {
	border-radius: 24px !important;
}