/*====================
archive-topics（お知らせ 一覧）
ブレイクポイント: variables.css 参照
====================*/
.topics-page {
	display: block;
	overflow: visible;
	background: var(--color-topics-bg);
}

.topics-page__inner {
	position: relative;
	z-index: 0;
	box-sizing: border-box;
	width: 1520px;
	max-width: 1520px;
	margin-inline: auto;
	padding: 72px 0 96px;
	overflow: visible;
}

@media screen and (max-width: 1919px) {
	.topics-page__inner {
		width: min(calc(100% - clamp(48px, 6vw, 80px)), 1520px);
		padding-inline: clamp(24px, 3.125vw, 40px);
	}

	.topics-page__inner > .topics-page__yuragi-slot {
		--topics-yuragi-inset-inline: clamp(24px, 3.125vw, 40px);
	}
}

@media screen and (max-width: 1365px) {
	.topics-page__inner {
		width: calc(100% - 48px);
		padding-inline: 24px;
	}
}

@media screen and (max-width: 1279px) {
	.topics-page__inner {
		width: 100%;
		max-width: 1520px;
		padding: 72px clamp(20px, 4vw, 32px) 80px;
	}

	.topics-page__inner > .topics-page__yuragi-slot {
		--topics-yuragi-inset-inline: clamp(20px, 4vw, 32px);
	}

	.topics-page__inner > .topics-page__yuragi-slot--top-right {
		--topics-yuragi-top: 0;
		transform: scale(0.72);
		transform-origin: top right;
	}

	.topics-page__inner > .topics-page__yuragi-slot--bottom-left {
		transform: scale(0.72);
		transform-origin: bottom left;
	}
}

@media screen and (max-width: 600px) {
	.topics-page__inner {
		padding: 48px 16px 64px;
	}
}

/* 一覧：ゆらぎ配置 */
.topics-page__inner > .topics-page__yuragi-slot {
	--topics-yuragi-inset-inline: 0;
}

.topics-page__inner > .topics-page__yuragi-slot--top-right {
	--topics-yuragi-top: 72px;

	top: var(--topics-yuragi-top);
	right: var(--topics-yuragi-inset-inline);
}

.topics-page__inner > .topics-page__yuragi-slot--bottom-left {
	--topics-yuragi-bottom: 44px;
	--topics-list-max: 1280px;

	right: auto;
	bottom: var(--topics-yuragi-bottom);
	left: max(
		var(--topics-yuragi-inset-inline),
		calc((100% - min(100%, var(--topics-list-max))) / 2)
	);
}

.topics-filters {
	position: relative;
	z-index: 20;
	overflow: visible;
	margin-bottom: 56px;
}

.topics-page:has(.topics-select.is-open) {
	position: relative;
	z-index: 100;
}

.topics-page:has(.topics-select.is-open) .topics-list-block {
	pointer-events: none;
}

@media screen and (max-width: 1279px) {
	.topics-filters {
		margin-bottom: 48px;
	}
}

@media screen and (max-width: 600px) {
	.topics-filters {
		margin-bottom: 40px;
	}
}

.topics-list-block {
	position: relative;
	z-index: 1;
}

/* フィルター（合計幅 936px・中央） */
.topics-filters__row {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 48px;
	width: 100%;
	max-width: 936px;
	margin-inline: auto;
	overflow: visible;
}

@media screen and (max-width: 1279px) {
	.topics-filters__row {
		gap: 32px;
	}
}

@media screen and (max-width: 600px) {
	.topics-filters__row {
		grid-template-columns: 1fr;
		gap: 48px;
	}
}

.topics-filters__field {
	--topics-filter-en-overlap: 0.55em;
	position: relative;
	z-index: 1;
	display: grid;
	grid-template-columns: 1fr;
	overflow: visible;
}

.topics-filters__field:has(.topics-select.is-open) {
	z-index: 100;
}

.topics-filters__label-en {
	position: relative;
	z-index: 0;
	grid-row: 1;
	grid-column: 1;
	margin: 0;
	padding: 0;
	color: rgba(51, 51, 51, 0.08);
	font-family: var(--font-en);
	font-size: 48px;
	font-style: italic;
	font-weight: 700;
	line-height: 0.72;
	letter-spacing: 0.02em;
	text-transform: uppercase;
	pointer-events: none;
	user-select: none;
	margin-bottom: 32px;
}

@media screen and (max-width: 1279px) {
	.topics-filters__label-en {
		font-size: 44px;
		line-height: 0.72;
	}
}

.topics-filters__label {
	position: relative;
	z-index: 1;
	grid-row: 1;
	grid-column: 1;
	align-self: end;
	margin: 0 0 10px;
	padding-top: 0.4em;
	color: var(--color-main);
	font-size: 32px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: 0.13em;
}

@media screen and (max-width: 1279px) {
	.topics-filters__field {
		--topics-filter-en-overlap: 0.62em;
	}

	.topics-filters__label {
		font-size: 28px;
		margin-bottom: 12px;
		padding-top: 0.38em;
	}
}

@media screen and (max-width: 600px) {
	.topics-filters__field {
		--topics-filter-en-overlap: 0.48em;
	}
}

.topics-select {
	position: relative;
	z-index: 2;
	grid-row: 2;
	grid-column: 1;
	margin-top: calc(-1 * var(--topics-filter-en-overlap) * 1em);
	overflow: visible;
}

.topics-select.is-open {
	z-index: 100;
}

.topics-select__toggle {
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	width: 100%;
	min-height: 56px;
	padding: 16px 48px 16px 24px;
	border: none;
	background: #00297d;
	color: #fff;
	font-family: var(--font-base);
	font-size: 18px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: 0.13em;
	text-align: center;
	cursor: pointer;
	transition: background-color 0.25s ease;
}

@media screen and (max-width: 1279px) {
	.topics-select__toggle {
		font-size: 16px;
	}
}

.topics-select__toggle:hover {
	background: #003694;
}

.topics-select__value {
	flex: 1;
	text-align: center;
}

.topics-select__chevron {
	position: absolute;
	top: 50%;
	right: 24px;
	display: block;
	flex-shrink: 0;
	width: 12px;
	height: 12px;
	margin: 0;
	border-right: 2px solid #fff;
	border-bottom: 2px solid #fff;
	transform: translateY(-65%) rotate(45deg);
	transition: transform 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-select.is-open .topics-select__chevron {
	transform: translateY(-35%) rotate(-135deg);
}

.topics-select__list {
	position: absolute;
	top: 100%;
	right: 0;
	left: 0;
	z-index: 101;
	margin: 0;
	padding: 0;
	list-style: none;
	background: #fff;
	box-shadow: 0 8px 24px rgba(0, 41, 125, 0.12);
}

.topics-select.is-open .topics-select__list {
	box-shadow: 0 12px 32px rgba(0, 41, 125, 0.2);
}

.topics-select__list[hidden] {
	display: none;
}

.topics-select__option {
	border-bottom: 1px solid #c5e4f4;
}

.topics-select__option:last-child {
	border-bottom: none;
}

.topics-select__option-btn {
	display: block;
	box-sizing: border-box;
	width: 100%;
	padding: 16px 24px;
	border: none;
	background: #fff;
	color: var(--color-main);
	font-family: var(--font-base);
	font-size: 18px;
	font-weight: 400;
	line-height: 1.4;
	letter-spacing: 0.13em;
	text-align: center;
	cursor: pointer;
	transition: background-color 0.2s ease;
}

@media screen and (max-width: 1279px) {
	.topics-select__option-btn {
		font-size: 16px;
	}
}

.topics-select__option-btn:hover {
	background: #f5f9fc;
}

.topics-select__option-btn.is-selected {
	background: #00297d;
	color: #fff;
}

/* 一覧（白背景・1080px） */
.topics-list-block {
	--topics-card-pad-x: 48px;
	--topics-card-pad-y: 32px;
	box-sizing: border-box;
	position: relative;
	z-index: 1;
	width: 100%;
	max-width: 1080px;
	margin-inline: auto;
	overflow: visible;
	background: #fff;
}

.topics-panel {
	position: relative;
	overflow: visible;
}

.topics-panel__body {
	position: relative;
	overflow: visible;
	padding-inline: 0;
}

.topics-panel.is-loading .topics-panel__body {
	pointer-events: none;
}

.topics-panel.is-loading .topics-panel__body::after {
	content: "";
	position: absolute;
	inset: 0;
	z-index: 5;
	background: rgba(255, 255, 255, 0.72);
}

.topics-list__empty {
	margin: 0;
	padding: 32px var(--topics-card-pad-x, 48px);
	color: var(--color-breadcrumb-muted);
	font-size: 14px;
	text-align: center;
}

.topics-list__items {
	margin: 0;
	padding: 0;
	list-style: none;
	border-top: 1px solid var(--color-brand-navy);
}

.topics-list__item {
	border-bottom: 1px solid var(--color-brand-navy);
}

.topics-card {
	position: relative;
	display: grid;
	grid-template-columns: 120px 160px minmax(0, 1fr) 28px;
	align-items: center;
	gap: 0 24px;
	box-sizing: border-box;
	width: 100%;
	padding: var(--topics-card-pad-y) var(--topics-card-pad-x);
	color: inherit;
	text-decoration: none;
	background-color: #fff;
	overflow: hidden;
	transition: background-color 0.35s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-card__fx {
	position: absolute;
	inset: 0;
	z-index: 0;
	pointer-events: none;
}

.topics-card__fx-beam {
	position: absolute;
	top: 0;
	bottom: 0;
	left: 0;
	width: 5px;
	background: var(--color-brand-navy);
	transform: scaleY(0);
	transform-origin: center bottom;
	transition: transform 0.5s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-card__fx-hatch {
	position: absolute;
	inset: 0;
	opacity: 0;
	background: repeating-linear-gradient(
		-45deg,
		transparent 0,
		transparent 10px,
		rgba(0, 41, 125, 0.045) 10px,
		rgba(0, 41, 125, 0.045) 11px
	);
	transition: opacity 0.35s ease;
}

.topics-card__fx-rule {
	position: absolute;
	right: 0;
	bottom: 0;
	left: 0;
	height: 2px;
	background: var(--color-brand-navy);
	transform: scaleX(0);
	transform-origin: left center;
	transition: transform 0.45s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-card__meta,
.topics-card__title,
.topics-card__arrow {
	position: relative;
	z-index: 1;
}

.topics-card__meta {
	display: contents;
}

.topics-card__date {
	box-sizing: border-box;
	width: 120px;
	flex-shrink: 0;
	grid-column: 1;
	color: var(--color-brand-navy);
	font-size: 16px;
	font-weight: 400;
	line-height: 1.4;
	letter-spacing: 0.13em;
	white-space: nowrap;
}

.topics-card__cat {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	width: 160px;
	height: 32px;
	padding: 8px;
	grid-column: 2;
	background: #00297d;
	color: #fff;
	font-size: 18px;
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0.13em;
	white-space: nowrap;
}

.topics-card__title {
	display: block;
	grid-column: 3;
	overflow: hidden;
	min-width: 0;
	color: var(--color-brand-navy);
	font-size: 16px;
	font-weight: 400;
	line-height: 1.5;
	text-align: left;
	text-overflow: ellipsis;
	white-space: nowrap;
	-webkit-line-clamp: unset;
	line-clamp: unset;
	transition:
		color 0.25s ease,
		transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-card:hover .topics-card__title,
.topics-card:focus-visible .topics-card__title {
	transform: translateX(4px);
}

@media screen and (max-width: 1279px) {
	.topics-list-block {
		--topics-card-pad-x: 40px;
		--topics-card-pad-y: 32px;
	}

	.topics-card {
		display: flex;
		flex-direction: column;
		align-items: stretch;
		gap: 12px;
		padding-right: calc(var(--topics-card-pad-x) + 28px);
	}

	.topics-card__meta {
		display: flex;
		flex-wrap: wrap;
		align-items: center;
		gap: 16px 24px;
	}

	.topics-card__arrow {
		position: absolute;
		top: 50%;
		right: var(--topics-card-pad-x);
		grid-column: auto;
		grid-row: auto;
		margin: 0;
		transform: translateY(-50%) translateX(-10px);
	}

	.topics-card:hover .topics-card__arrow,
	.topics-card:focus-visible .topics-card__arrow {
		transform: translateY(-50%) translateX(0);
	}

	.topics-card__date {
		width: auto;
	}

	.topics-card__title {
		display: -webkit-box;
		width: 100%;
		max-width: 100%;
		white-space: normal;
		word-break: break-word;
		overflow-wrap: break-word;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2;
		line-clamp: 2;
		transform: none;
	}

	.topics-card:hover .topics-card__title,
	.topics-card:focus-visible .topics-card__title {
		transform: none;
	}
}

.topics-card__arrow {
	display: block;
	grid-column: 4;
	grid-row: 1;
	justify-self: end;
	width: 20px;
	height: 20px;
	opacity: 0;
	transform: translateX(-10px);
	transition:
		opacity 0.3s ease,
		transform 0.4s cubic-bezier(0.65, 0, 0.35, 1);
}

.topics-card__arrow::before {
	content: "";
	display: block;
	box-sizing: border-box;
	width: 10px;
	height: 10px;
	margin: 5px 0 0 4px;
	border-right: 2px solid var(--color-brand-navy);
	border-bottom: 2px solid var(--color-brand-navy);
	transform: rotate(-45deg);
	transition: border-color 0.25s ease;
}

.topics-card:hover,
.topics-card:focus-visible {
	background-color: var(--color-topics-bg);
}

.topics-card:hover .topics-card__fx-beam,
.topics-card:focus-visible .topics-card__fx-beam {
	transform: scaleY(1);
	transform-origin: center top;
}

.topics-card:hover .topics-card__fx-hatch,
.topics-card:focus-visible .topics-card__fx-hatch {
	opacity: 1;
}

.topics-card:hover .topics-card__fx-rule,
.topics-card:focus-visible .topics-card__fx-rule {
	transform: scaleX(1);
}

.topics-card:hover .topics-card__arrow,
.topics-card:focus-visible .topics-card__arrow {
	opacity: 1;
	transform: translateX(0);
}

.topics-card:focus-visible {
	outline: 2px solid var(--color-brand-navy);
	outline-offset: -2px;
}

@media (prefers-reduced-motion: reduce) {
	.topics-card,
	.topics-card__fx-beam,
	.topics-card__fx-hatch,
	.topics-card__fx-rule,
	.topics-card__arrow {
		transition: none;
	}
}

/* ページネーション */
.topics-pagination {
	box-sizing: border-box;
	padding: 0 var(--topics-card-pad-x, 48px) 48px;
}

.topics-pagination__list {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 8px;
	margin: 40px 0 0;
	padding: 0;
	list-style: none;
}

.topics-pagination__item {
	display: flex;
}

.topics-pagination__link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	min-width: 40px;
	height: 40px;
	padding: 0 8px;
	border: 1px solid #d8d8d8;
	background: #fff;
	color: var(--color-main);
	font-family: var(--font-base);
	font-size: 14px;
	font-weight: 500;
	line-height: 1;
	text-decoration: none;
	cursor: pointer;
	transition:
		background-color 0.25s ease,
		border-color 0.25s ease,
		color 0.25s ease;
}

.topics-pagination__link:hover {
	border-color: #00297d;
}

.topics-pagination__link--current {
	border-color: #00297d;
	background: #00297d;
	color: #fff;
	cursor: default;
}

.topics-pagination__link--nav {
	min-width: 52px;
	padding: 0 14px;
	letter-spacing: 0.08em;
}

/* 中村建設グループ：外部お知らせ一覧へ */
.topics-list__more {
	display: flex;
	flex-direction: column;
	align-items: center;
	gap: 16px;
	box-sizing: border-box;
	margin: 40px 0 0;
	padding: 0 var(--topics-card-pad-x, 48px) 48px;
	text-align: center;
}

.topics-list__more-lead {
	margin: 0;
	color: var(--color-brand-navy);
	font-family: var(--font-base);
	font-size: 16px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: 0.09em;
}

.topics-list__more-btn {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	box-sizing: border-box;
	min-width: 280px;
	max-width: 100%;
	height: 48px;
	margin: 0;
	padding: 0 24px;
	border: 1px solid var(--color-brand-navy);
	border-radius: 0;
	background: #fff;
	color: var(--color-brand-navy);
	font-family: var(--font-base);
	font-size: 16px;
	font-weight: 500;
	line-height: 1.4;
	letter-spacing: 0.09em;
	text-decoration: none;
	transition: background-color 0.2s ease, color 0.2s ease;
}

.topics-list__more-btn:hover {
	background: var(--color-brand-navy);
	color: #fff;
}

.topics-list__more-btn:focus-visible {
	outline: 2px solid var(--color-brand-navy);
	outline-offset: 2px;
}

/* スマホ（600px以下） */
@media screen and (max-width: 600px) {
	.topics-list-block {
		--topics-card-pad-x: 16px;
		--topics-card-pad-y: 16px;
	}

	.topics-page__inner {
		padding: 48px 16px 64px;
	}

	.topics-filters__field {
		--topics-filter-en-overlap: 0.48em;
	}

	.topics-filters__row {
		grid-template-columns: 1fr;
		gap: 48px;
	}

	.topics-card {
		display: flex;
		flex-direction: column;
		align-items: stretch;
		gap: 8px;
		padding-right: calc(var(--topics-card-pad-x) + 24px);
	}

	.topics-card__meta {
		display: flex;
		flex-direction: column;
		align-items: flex-start;
		gap: 8px;
	}

	.topics-card__arrow {
		position: absolute;
		top: 50%;
		right: var(--topics-card-pad-x);
		transform: translateY(-50%) translateX(-8px);
	}

	.topics-card:hover .topics-card__arrow,
	.topics-card:focus-visible .topics-card__arrow {
		transform: translateY(-50%) translateX(0);
	}

	.topics-card__date {
		width: auto;
	}

	.topics-card__cat {
		width: 160px;
	}

	.topics-card__title {
		display: -webkit-box;
		overflow: hidden;
		width: 100%;
		font-size: 14px;
		line-height: 1.5;
		white-space: normal;
		text-overflow: ellipsis;
		word-break: break-word;
		overflow-wrap: break-word;
		-webkit-box-orient: vertical;
		-webkit-line-clamp: 2;
		line-clamp: 2;
	}

	.topics-select__toggle {
		min-height: 48px;
		padding: 12px 40px 12px 16px;
	}

	.topics-select__chevron {
		right: 16px;
	}

	.topics-select__option-btn {
		padding: 12px 16px;
	}

	.topics-pagination__link {
		min-width: 36px;
		height: 40px;
		font-size: 13px;
	}

	.topics-pagination__link--nav {
		min-width: 48px;
		padding: 0 10px;
	}
}