/* ===============================
   blog-search: テーマ・キーワード・年月の絞り込み
   =============================== */

.blog-archive {
	transition: opacity var(--duration-fast);
}

.blog-archive.is-archive-loading {
	cursor: progress;
	opacity: 0.68;
}

.blog-search {
	padding-block: 2px 6.5px;
	background: var(--color-bg);
}

.blog-search__inner {
	width: 343px;
	max-width: 100%;
	margin-inline: 0 auto;
	padding-inline: 11px;
}

.blog-search__details > summary {
	list-style: none;
}

.blog-search__details > summary::-webkit-details-marker {
	display: none;
}

.blog-search__summary {
	position: relative;
	display: flex;
	align-items: center;
	gap: 5px;
	color: var(--color-primary);
	font-size: 12px;
	font-weight: var(--fw-medium);
	letter-spacing: 0.08em;
	cursor: pointer;
	padding-right: 24px;
}

.blog-search__summary::before,
.blog-search__summary::after {
	flex: 1;
	border-top: 1px solid var(--color-main);
	content: "";
}

.blog-search__summary::before {
	flex-grow: 1.24;
}

.blog-search__summary-text {
	position: relative;
	left: 0;
}

.blog-search__summary-chevron {
	position: absolute;
	top: 50%;
	right: 5px;
	width: 8px;
	height: 8px;
	border-right: 1px solid var(--color-primary);
	border-bottom: 1px solid var(--color-primary);
	transform: translateY(-70%) rotate(45deg);
}

.blog-search__details:not([open]) .blog-search__summary-chevron {
	transform: translateY(-30%) rotate(-135deg);
}

.blog-search__themes {
	display: flex;
	align-items: center;
	justify-content: flex-start;
	gap: 24px;
	padding-left: 47px;
	overflow-x: auto;
	scrollbar-width: none;
	margin-top: 2px;
}

.blog-search__themes::-webkit-scrollbar {
	display: none;
}

.blog-search__theme {
	position: relative;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 16px;
	color: var(--color-text);
	font-size: 9px;
	letter-spacing: 0.04em;
	white-space: nowrap;
	flex: none;
}

.blog-search__theme--active {
	color: var(--color-primary);
}

.blog-search__theme--active::after {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	border-bottom: 1px solid var(--color-primary);
	content: "";
}

.blog-search__controls {
	display: grid;
	grid-template-columns: 1fr;
	gap: 6px;
	margin-top: 0;
}

.blog-search__keyword input,
.blog-search__select select {
	width: 100%;
	height: 22px;
	padding-inline: 8px;
	background: var(--color-white);
	border: 1px solid var(--color-border);
	border-radius: 2px;
	color: var(--color-text);
	font: inherit;
	font-size: 8px;
	letter-spacing: 0.04em;
}

.blog-search__keyword input::placeholder {
	color: var(--color-text-muted);
}

.blog-search__submit {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-height: 22px;
	padding-inline: var(--space-4);
	background: var(--color-primary);
	border-radius: 2px;
	color: var(--color-white);
	font-size: 8px;
	letter-spacing: 0.12em;
}

.blog-search__keyword,
.blog-search__select {
	position: relative;
}

.blog-search__keyword::before,
.blog-search__select::before {
	position: absolute;
	inset: -6px 0;
	content: "";
	pointer-events: none;
}

.blog-search__select--period select {
	appearance: none;
	padding-right: 26px;
}

.blog-search__select--period::after {
	position: absolute;
	top: 50%;
	right: 10px;
	width: 6px;
	height: 6px;
	border-right: 1px solid var(--color-text-muted);
	border-bottom: 1px solid var(--color-text-muted);
	content: "";
	transform: translateY(-70%) rotate(45deg);
	pointer-events: none;
}

@media (max-width: 1023px) {
	.blog-search {
		padding-block: var(--space-5) var(--space-7);
	}

	.blog-search__inner {
		width: 100%;
		margin-inline: auto;
		padding-inline: var(--space-5);
	}

	.blog-search__summary {
		min-height: 48px;
		gap: var(--space-3);
		padding-right: var(--space-7);
		font-size: var(--fs-h2-mobile);
		line-height: var(--lh-tight);
	}

	.blog-search__themes {
		gap: var(--space-3);
		margin-top: var(--space-3);
		padding-left: 0;
	}

	.blog-search__theme {
		min-height: 48px;
		padding-inline: var(--space-3);
		font-size: var(--fs-body);
	}

	.blog-search__controls {
		grid-template-columns: 1fr;
		gap: var(--space-3);
		margin-top: var(--space-3);
	}

	.blog-search__keyword input,
	.blog-search__select select {
		height: 48px;
		min-height: 48px;
		padding-inline: var(--space-4);
		font-size: var(--fs-body-pc);
	}

	.blog-search__submit {
		min-height: 48px;
		font-size: var(--fs-body-pc);
	}
}

@media (min-width: 1024px) {
	.blog-search {
		min-height: 263px;
		padding-block: var(--space-7);
	}

	.blog-search__inner {
		width: 100%;
		max-width: 1306px;
		margin-inline: auto;
		padding-inline: 0;
	}

	.blog-search__summary {
		gap: var(--space-7);
		color: var(--color-text);
		font-size: 36px;
		letter-spacing: 0.08em;
		cursor: default;
		padding-right: 0;
	}

	.blog-search__summary::before {
		display: none;
	}

	.blog-search__summary::after {
		margin-right: 0;
	}

	.blog-search__summary-chevron {
		display: none;
	}

	.blog-search__summary-text {
		left: 0;
	}

	.blog-search__themes {
		justify-content: flex-start;
		gap: 0;
		margin-top: var(--space-5);
		padding-left: 0;
		overflow: visible;
	}

	.blog-search__theme {
		min-width: 156px;
		min-height: 48px;
		padding-inline: var(--space-5);
		border-right: 1px solid var(--color-border);
		font-size: var(--fs-body-pc);
	}

	.blog-search__theme:first-child {
		justify-content: flex-start;
		min-width: 130px;
		padding-left: var(--space-5);
	}

	.blog-search__theme--active::after {
		right: var(--space-5);
		left: var(--space-5);
	}

	.blog-search__controls {
		display: grid;
		grid-template-columns: minmax(0, 1fr) minmax(194px, 260px) 104px;
		gap: var(--space-3);
		align-items: center;
		margin-top: var(--space-5);
	}

	.blog-search__keyword input,
	.blog-search__select select {
		height: 48px;
		padding-inline: var(--space-5);
		font-size: var(--fs-body);
	}

	.blog-search__submit {
		display: inline-flex;
		align-items: center;
		justify-content: center;
		width: 100%;
		height: 48px;
		background: var(--color-primary);
		color: var(--color-white);
		font-size: var(--fs-body-pc);
		letter-spacing: 0.12em;
	}

	.blog-search__select {
		display: block;
	}
}

/* タブレット・PC共通の読みやすい本文幅と記事密度。 */

@media (min-width: 768px) {
 .blog-search { min-height: 0; padding-block: var(--space-6); }
 .blog-search__inner { width: 100%; max-width: calc(var(--space-13) * 8 + var(--space-9)); margin-inline: auto; padding-inline: var(--space-6); }
 .blog-search__summary { min-height: var(--space-9); font-size: var(--fs-h2-mobile); gap: var(--space-5); }
 .blog-search__controls { grid-template-columns: minmax(0,1fr) minmax(0,1fr) var(--space-12); margin-top: var(--space-3); gap: var(--space-3); }
 .blog-search__keyword input, .blog-search__select select, .blog-search__submit { height: var(--space-9); min-height: var(--space-9); font-size: var(--fs-body-pc); }
 .blog-search__themes { flex-wrap: wrap; overflow: visible; padding-left: 0; gap: var(--space-2); }
 .blog-search__theme, .blog-search__theme:first-child { min-width: 0; font-size: var(--fs-body); padding-inline: var(--space-3); }
}