.bc-calendar {
	--bc-accent: #3cbfae;
	--bc-shipping-bg: rgba(60, 191, 174, 0.18);
	--bc-long-holiday-bg: rgba(60, 191, 174, 0.12);
	--bc-long-holiday-border: rgba(60, 191, 174, 0.85);
	--bc-long-holiday-overlay: rgba(255, 255, 255, 0.55);
	--bc-border: #d8ece8;
	--bc-red: #d64545;
	--bc-blue: #4a7fd4;
	--bc-text: #333;
	--bc-mark: var(--bc-accent);
	max-width: 100%;
	color: var(--bc-text);
}

/* 見出しスタイルはテーマ側に委ね、余白のみ確保 */
.bc-calendar__heading {
	margin: 0 0 1em;
}

.bc-calendar__legend {
	display: flex;
	flex-wrap: wrap;
	gap: 1.25em;
	margin: 0 0 1.25em;
	padding: 0;
	list-style: none;
	font-size: 0.85rem;
}

.bc-calendar__legend-item {
	display: inline-flex;
	align-items: center;
	gap: 0.45em;
}

.bc-calendar__legend-swatch,
.bc-calendar__legend-mark {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	width: 1.1em;
	height: 1.1em;
}

.bc-calendar__legend-swatch {
	border: 1px solid var(--bc-border);
}

.bc-calendar__legend-swatch--shipping {
	background: var(--bc-shipping-bg);
}

.bc-calendar__legend-mark {
	font-weight: 700;
	color: var(--bc-mark);
}

.bc-calendar__month + .bc-calendar__month {
	margin-top: 2.5em;
}

.bc-calendar__month-header {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	margin-bottom: 0.75em;
	color: inherit;
	text-decoration: none;
}

.bc-calendar__month-title,
.bc-calendar__year {
	font-weight: 700;
	color: var(--bc-accent);
}

.bc-calendar__month-title {
	font-size: 1.35rem;
}

.bc-calendar__year {
	font-size: 1.1rem;
}

.bc-calendar__grid {
	display: grid;
	grid-template-columns: repeat(7, 1fr);
	position: relative;
}

.bc-calendar__dow {
	padding: 0.45em 0;
	font-size: 0.75rem;
	font-weight: 700;
	text-align: center;
	border-bottom: 1px solid var(--bc-border);
}

.bc-calendar__dow--sun {
	color: var(--bc-red);
}

.bc-calendar__dow--sat {
	color: var(--bc-blue);
}

.bc-calendar__cell {
	position: relative;
	min-height: 3.4rem;
	padding: 0.35em;
	text-align: center;
	border: 1px solid var(--bc-border);
	background: #fff;
}

.bc-calendar__cell--empty {
	background: #fafafa;
}

.bc-calendar__cell--shipping {
	background: var(--bc-shipping-bg);
}

.bc-calendar__cell--closed {
	background: var(--bc-long-holiday-bg);
}

.bc-calendar__cell--red .bc-calendar__date {
	color: var(--bc-red);
}

.bc-calendar__cell--blue .bc-calendar__date {
	color: var(--bc-blue);
}

.bc-calendar__date {
	display: block;
	font-size: 0.95rem;
	font-weight: 600;
	line-height: 1.2;
}

.bc-calendar__mark {
	display: block;
	margin-top: 0.15em;
	font-size: 1rem;
	font-weight: 700;
	color: var(--bc-mark);
	line-height: 1;
}

/*
 * 長期休暇帯は grid-row/column で位置だけ決め、absolute で重ねる。
 * 通常配置のままだと帯がセルを占有し、以降の日付が横にずれる。
 */
.bc-calendar__long-holiday {
	position: absolute;
	inset: 0.1em;
	display: flex;
	align-items: flex-end;
	justify-content: center;
	z-index: 2;
	pointer-events: none;
	border: 2px solid var(--bc-long-holiday-border);
	border-radius: 2px;
	background: var(--bc-long-holiday-overlay);
	box-sizing: border-box;
}

.bc-calendar__long-holiday--border-only {
	background: transparent;
}

/* 週をまたぐ帯：前週の右端・翌週の左端は閉じない */
.bc-calendar__long-holiday--open-end {
	border-right-width: 0;
	border-top-right-radius: 0;
	border-bottom-right-radius: 0;
}

.bc-calendar__long-holiday--open-start {
	border-left-width: 0;
	border-top-left-radius: 0;
	border-bottom-left-radius: 0;
}

.bc-calendar__long-holiday-label {
	padding: 0 0.4em 0.15em;
	font-size: 0.8rem;
	font-weight: 700;
	color: var(--bc-accent);
	text-align: center;
	line-height: 1.2;
	white-space: nowrap;
}

.bc-calendar__notes {
	margin-top: 1.25em;
	font-size: 0.95rem;
	line-height: 1.7;
}

.bc-calendar__note {
	margin: 0 0 0.35em;
}

.bc-calendar__note--small {
	font-size: 80%;
}

@media (max-width: 640px) {
	.bc-calendar__cell {
		min-height: 2.8rem;
		padding: 0.2em;
	}

	.bc-calendar__date {
		font-size: 0.8rem;
	}

	.bc-calendar__long-holiday-label {
		font-size: 0.65rem;
	}
}