@charset "UTF-8";
/* CSS Document */

/* ===============================
厳選プログラム専用
=============================== */

/* 全体余白 */
.program {
	padding: 10rem 0 14rem;
	background: #efefef;
}

@media screen and (max-width: 520px) {
	.program {
		padding: 5rem 0 8rem;
	}
}

/* ===============================
講師紹介タイトル
=============================== */
.secTtl {
	font-size: 4.5rem;
	line-height: 1.2;
	letter-spacing: 0.08em;
	font-weight: 700;
	color: #aa9444;
	margin-bottom: 5rem;
	position: relative;
	padding-left: 1.2em;
}

.secTtl::before {
	content: "";
	position: absolute;
	left: 0;
	top: 50%;
	transform: translateY(-50%);
	width: 0.9em;
	height: 0.9em;
	background: url("../img/teaser/ttl-deco01.svg") no-repeat center / contain;
}

@media screen and (max-width: 520px) {
	.secTtl {
		font-size: 2.6rem;
		margin-bottom: 3rem;
	}
}

/* ===============================
日付ブロック
=============================== */
.lecture-day {
	margin-top: 5rem;
}

.lecture-heading {
	display: flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.6em;
	font-size: 2.8rem;
	font-weight: 500;
	color: #aa9444;
	border-bottom: 2px solid #aa9444;
	padding-bottom: 1rem;
	margin-bottom: 2.4rem;
}

.lecture-heading .date {
	font-size: 1.4em;
	color: #222;
}

.sun {
	color: #d70000;
}

.sat {
	color: #0d208e;
}
@media screen and (max-width: 520px) {
	.lecture-heading {
		font-size: 1.9rem;
		margin-bottom: 2rem;
	}

	.lecture-heading .date {
		font-size: 1.25em;
	}
}

/* ===============================
講師1件
=============================== */
.lecture-item {
	display: grid;
	grid-template-columns: 38rem 1fr;
	gap: 4rem;
    padding: 5rem 0 9rem;
	margin-bottom: 0;
	border-bottom: 2px dashed #cdbb7a;
}

@media screen and (max-width: 520px) {
	.lecture-item {
		grid-template-columns: 1fr;
		gap: 2rem;
	}
}

/* 画像 */
.lecture-img {
	overflow: hidden;
}

.lecture-img img {
	width: 100%;
	display: block;
	height: auto;
}

/* ===============================
テキスト
=============================== */
.lecture-time {
	font-size: 1.6rem;
	font-weight: 700;
	margin-bottom: 1rem;
}

.lecture-name {
	font-size: 5rem;
	font-weight: 700;
	color: #aa9444;
	line-height: 1.1;
	margin-bottom: 1rem;
}

.lecture-name span {
	font-size: 0.5em;
	color: #222;
	margin-left: 0.2em;
}

@media screen and (max-width: 520px) {
	.lecture-name {
		font-size: 3.2rem;
	}
}

/* 肩書き */
.lecture-role {
	font-size: 1.6rem;
	margin-bottom: 1rem;
	color: #333;
}

/* テーマ
※ 各講師の上に lecture-heading でテーマを出すなら未使用でもOK
*/
.lecture-theme {
	font-size: 1.6rem;
	font-weight: 600;
	margin-bottom: 1.5rem;
}

/* ===============================
本文
=============================== */
.lecture-text {
	font-size: 1.7rem;
	line-height: 1.9;
	letter-spacing: 0.08em;
	color: #222;
	overflow: hidden;
	transition: max-height 0.4s ease;
}

.lecture-text p {
	margin-top: 0.6em;
}

.lecture-text p:first-child {
	margin-top: 0;
}

@media screen and (max-width: 520px) {
	.lecture-text {
		font-size: 1.4rem;
	}
}

/* ===============================
7行フェード
=============================== */
.lecture-text.is-collapsed {
	position: relative;
}

.lecture-text.is-collapsed::after {
	content: "";
	position: absolute;
	left: 0;
	right: 0;
	bottom: 0;
	height: 6em;
	background: linear-gradient(to bottom, rgba(239,239,239,0), rgba(239,239,239,1));
	pointer-events: none;
}

/* ===============================
開閉ボタン
=============================== */
.lecture-toggle {
	display: flex;
	justify-content: center;
	margin-top: 2.5rem;
}

.lecture-toggle button {
	width: 5rem;
	height: 5rem;
	border-radius: 50%;
	border: 2px solid #aa9444;
	background: transparent;
	cursor: pointer;
	position: relative;
	transition: opacity 0.3s ease, transform 0.3s ease;
}

.lecture-toggle button:hover {
	opacity: 0.7;
}

.lecture-toggle button::before {
	content: "";
	position: absolute;
	left: 50%;
	top: 50%;
	transform: translate(-50%, -50%);
	border-left: 0.8rem solid transparent;
	border-right: 0.8rem solid transparent;
	border-top: 1.2rem solid #aa9444;
}

.lecture-toggle button.is-open::before {
	border-top: none;
	border-bottom: 1.2rem solid #aa9444;
}

/* ===============================
スマホ最適化
=============================== */
@media screen and (max-width: 520px) {
	.lecture-item {
		display: flex;
		flex-direction: column;
	}

	.lecture-img {
		order: 1;
	}
    .lecture-heading {
        font-size: 1.8rem;
        margin-bottom: 0.1rem;
    }
	.lecture-content {
		order: 1;
	}

	.lecture-toggle {
		margin-top: 2rem;
	}
	.lecture-time {
		font-size: 1.3rem;
	}
	.lecture-role{
		font-size: 1.3rem;
	}
	.lecture-toggle button {
		width: 4.4rem;
		height: 4.4rem;
	}
}