/* 非表示行 */
.cal_hidden {
	display: none;
}
/* 下部フェードマスク */
.table_hidden_wrap {
	position: relative;
}
.table_hidden_wrap::after {
	content: '';
	display: block;
	position: absolute;
	bottom: 60px;
	left: 0;
	width: 100%;
	height: 80px;
	background: linear-gradient(to bottom, rgba(255,255,255,0) 0%, rgba(255,255,255,0.85) 100%);
	pointer-events: none;
	transition: opacity 0.3s;
}
/* 展開済みはマスク非表示 */
.table_hidden_wrap.is-open::after {
	opacity: 0;
}
/* ボタン行セル */
.toggle_row {
	background-color: unset !important;
}
.toggle_row td {
	padding: 10px 0 4px;
	text-align: center;
	border: none !important;
	background: transparent;
}
/* ボタン本体 */
.toggle_cal_btn {
	display: inline-flex;
	align-items: center;
	gap: 6px;
	padding: 7px 20px;
	background: #f8f8f8;
	border-radius: 20px;
	color: #444;
	border: 2px solid #444;
	font-size: 0.9em;
	font-weight: bold;
	cursor: pointer;
	transition: background 0.2s, color 0.2s;
	letter-spacing: 0.03em;
}
/* アイコン部分（＋／－） */
.toggle_cal_btn .btn_icon {
	transition: transform 0.2s;
}
.toggle_cal_btn:hover {
	background: #444;
	color: #fff;
}