/* セミナー詳細ページ専用のスタイル */

/* ページ全体のスタイル */
a {
	color: #af9448;
	text-decoration: none;
}
.seminar-single-container {
	max-width: 1200px;
	margin: 0 auto;
	padding: 20px;
}

/* ヘッダー */
.page-header-seminar {
	background-image: url('../images/seminar-header.png');
	background-size: cover;
	background-position: center;
	height: 350px;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	position: relative;
}

/* PC版では head-container 内のテキスト要素を非表示 */
.page-header-seminar .head-container {
	display: none;
}

.breadcrumb {
	position: absolute;
	bottom: 10px;
	right: 50%;
	transform: translateX(-50%);
	background-color: rgba(0, 0, 0, 0.5);
	color: #fff;
	padding: 5px 10px;
	border-radius: 5px;
}
/* コンテンツ全体のレイアウト */
.seminar-section {
	max-width: 1000px;
	margin: 0 auto;
	display: flex;
	justify-content: space-between;
	gap: 50px;
	padding: 126px 0;
}
/* 左カラム（コンテンツ） */
.seminar-text {
	width: 500px;
	float: left;
}
.thumbnail img {
	width: 100%;
	max-height: fit-content;
	border-radius: 10px;
}
.seminar-text img {
	width: 100%;
	border-radius: 10px;
}

.seminar-text h2 {
	font-size: 24px;
	color: #af9448;
	margin: 20px 0;
}
.seminar-text h3 {
	font-size: 20px;
	font-weight: bold;
	margin: 40px 0 20px;
	padding: 0.5em; /*文字周りの余白*/
	/* 色5cb531 */
	color: #af9448;
	border-left: solid 5px #af9448; /*左線（実線 太さ 色）*/
	text-align: left;
}
.seminar-text h4 {
	font-size: 16px;
	font-weight: bold;
	margin: 16px 0;
	text-align: left;
}
.seminar-text p {
	font-size: 15px;
	line-height: 1.8;
	margin-bottom: 20px;
}
.seminar-text a {
	text-decoration: none;
}

/* 右カラム（フォーム） */
.contact-form {
	width: 500px;
	height: 100%;
	float: right;
	background-color: #f9f9f9;
	padding: 20px;
	border-radius: 10px;
	box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.contact-form h2 {
	font-size: 18px;
	margin-bottom: 20px;
}

.contact-form form {
	display: flex;
	flex-direction: column;
	gap: 10px;
}

/* 前後ナビゲーション */
/* ナビゲーションリンクのスタイル */
.post-navigation {
	display: flex;
	justify-content: space-between;
	align-items: center;
	max-width: 1200px;
	margin: 50px auto;
	padding: 20px 0;
	border-top: 1px solid #ddd;
}

.post-navigation .prev-post a,
.post-navigation .next-post a,
.post-navigation .back-to-list a {
	display: inline-block;
	padding: 15px 30px;
	font-size: 12px;
	font-weight: bold;
	color: #fff;
	background-color: #3e3a39;
	border-radius: 5px;
	text-decoration: none;
	transition: all 0.3s ease;
}

.post-navigation .prev-post a:hover,
.post-navigation .next-post a:hover,
.post-navigation .back-to-list a:hover {
	background-color: #af9448;
}

/* 一覧に戻るボタンを中央に配置 */
.back-to-list {
	text-align: center;
	flex-grow: 1;
}

/* 登壇者セクション */
.speakers {
	display: flex;
	flex-direction: column;
	gap: 20px;
	margin-top: 30px;
}

.speaker {
	display: flex;
	gap: 20px;
	align-items: flex-start;
	background: #fff;
	border-radius: 10px;
	padding: 15px;
}

.speaker-photo img {
	width: 120px; /* 画像の固定幅 */
	height: auto;
	border-radius: 10px;
}

.speaker-details {
	flex: 1;
}

.speaker-details h3 {
	font-size: 18px;
	font-weight: bold;
	margin-bottom: 10px;
	text-align: left;
}

.speaker-details p {
	font-size: 14px;
	line-height: 1.6;
	color: #333;
	margin: 5px 0;
}

.speaker-note {
	font-style: italic;
	color: #666;
}

/* レスポンシブ対応 */
@media (max-width: 1200px) {
	.seminar-section {
		flex-direction: column;
		align-items: center;
	}

	.seminar-text,
	.contact-form {
		width: 100%;
	}
}
@media (max-width: 768px) {
	.page-header-seminar {
		background-image: none !important;
		height: 200px;
		margin: 10px auto;
		padding: 10px 23px;
		font-family: 'Noto Sans JP';
		position: relative;
		overflow: hidden;
		display: block;
	}

	.page-header-seminar::before {
		content: '';
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		background: linear-gradient(to bottom, #af9448, #8b7a3a);
		z-index: 1;
	}

	.page-header-seminar::after {
		content: '';
		position: absolute;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		background: linear-gradient(180deg, #c8dcd0 13.32%, #fff 64.82%);
		mix-blend-mode: multiply;
		z-index: 2;
	}

	.page-header-seminar .head-container {
		position: relative;
		z-index: 3;
		display: block !important; /* PC版の非表示設定を上書き */
	}

	.page-header-seminar .head-container h1 {
		color: #fff;
		font-family: 'Noto Sans JP';
		font-size: 24px;
		font-style: normal;
		font-weight: 700;
		line-height: normal;
	}

	.page-header-seminar .head-container p {
		color: #fff;
		font-family: 'Noto Sans JP';
		font-size: 14px;
		font-style: normal;
		font-weight: 400;
		line-height: 26px;
	}

	.seminar-title-header {
		margin: 30px 0 10px;
		padding: 0;
		color: #fff;
		font-family: 'Plus Jakarta Sans';
		font-size: 14px;
		font-style: normal;
		font-weight: 700;
		line-height: normal;
	}
	.seminar-section {
		padding: 50px 0;
	}

	.seminar-text h2 {
		font-size: 20px;
	}

	.seminar-text p {
		font-size: 14px;
	}
}

.closed-message {
	font-size: 18px;
	color: #ffffff;
	text-align: center;
	padding: 20px;
	border: 1px solid #a0a0a0;
	border-radius: 5px;
	background-color: #a0a0a0;
}