/* ------------------------------------------------------------
 * 事業内容ページ
 * ------------------------------------------------------------ */

/* ------------------------------------------------------------
 * 1. FV (ファーストビュー)
 * ------------------------------------------------------------ */
.business-fv {
	position: relative;
	width: 100%;
	height: 700px;
	overflow: hidden;
	background: #dfe5e8;
}

.business-fv__img-wrapper {
	width: 100%;
	height: 100%;
}

.business-fv__img,
.business-fv__img-wrapper img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center;
	display: block;
}

.business-fv__content {
	position: absolute;
	left: 64px;
	bottom: 64px;
	display: flex;
	flex-direction: column;
	gap: 8px;
	z-index: 2;
	margin: 0;
	color: #ffffff;
	text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
	font-family: 'Noto Sans JP', sans-serif;
}

.business-fv__title,
.business-fv__sub {
	display: block;
}

.business-fv__title {
	font-family: 'Noto Sans JP', sans-serif;
	font-size: 48px;
	font-weight: 500;
	line-height: 1;
	letter-spacing: 0.05em;
	margin: 0;
	color: #ffffff;
}

.business-fv__sub {
	font-size: 16px;
	font-weight: 400;
	line-height: 1;
	margin: 0;
	color: #ffffff;
}

/* ------------------------------------------------------------
 * 2. BUSINESS Section (事業について)
 * ------------------------------------------------------------ */
.business-list {
	width: 100%;
	padding: 120px 0;
	background: #ffffff;
}

.business-list__inner {
	width: 90%;
	max-width: 1080px;
	margin: 0 auto;
}

.business-list__header {
	margin-bottom: 60px;
}

.business-list__items {
	display: flex;
	flex-direction: column;
	gap: 32px;
	margin: 0;
	padding: 0;
	list-style: none;
}

.business-card {
	display: flex;
	align-items: center;
	gap: 40px;
	padding: 32px;
	background: var(--bg-gradient);
	border-radius: 4px;
}

.business-card__img-wrapper {
	flex: 0 0 50%;
	max-width: 50%;
	overflow: hidden;
	border-radius: 2px;
}

.business-card__img {
	width: 100%;
	height: auto;
	display: block;
	object-fit: cover;
}

.business-card__body {
	flex: 1;
	min-width: 0;
}

.business-card__title {
	font-size: 24px;
	font-weight: 500;
	line-height: 1.5;
	margin: 0 0 16px;
	color: #333333;
}

.business-card__desc {
	font-size: 16px;
	line-height: 1.85;
	color: #333333;
}

.business-card__desc p {
	margin: 0;
	font-size: 14px;
	line-height: 1.85;
}

.business-card__desc p + p {
	margin-top: 12px;
}

.business-card__link {
	display: inline-block;
	margin-top: 16px;
	font-size: 14px;
	color: #2b7094;
	text-decoration: underline;
}

/* ------------------------------------------------------------
 * 3. WORKS Section (案件実績)
 * ------------------------------------------------------------ */
.business-works {
	width: 100%;
	padding: 120px 0;
	background: var(--bg-gradient);
}

.business-works__inner {
	width: 90%;
	max-width: 1080px;
	margin: 0 auto;
}

.business-works__header {
	margin-bottom: 60px;
}

.business-works__grid {
	display: grid;
	grid-template-columns: repeat(2, 1fr);
	align-items: start;
	gap: 20px;
}

.business-works__item {
	padding: 20px 24px;
	background: rgba(255, 255, 255, 0.5);
	border-radius: 4px;
	overflow: hidden;
}

.business-works__summary {
	list-style: none;
	cursor: pointer;
	display: flex;
	align-items: center;
	justify-content: space-between;
	gap: 16px;
}

.business-works__summary::-webkit-details-marker {
	display: none;
}

.business-works__summary:focus-visible {
	outline: 2px solid #2b7094;
	outline-offset: -2px;
}

.business-works__category {
	font-size: 20px;
	font-weight: 500;
	line-height: 1.5;
	margin: 0;
	color: #333333;
}

.business-works__icon {
	position: relative;
	flex-shrink: 0;
	width: 24px;
	height: 24px;
	border-radius: 50%;
	background: linear-gradient(90deg, #E3F1F4, #F8F8E5);
}

.business-works__icon::before,
.business-works__icon::after {
	content: '';
	position: absolute;
	left: 50%;
	top: 50%;
	background: var(--color-text);
	transform: translate(-50%, -50%);
}

.business-works__icon::before {
	width: 10px;
	height: 2px;
}

.business-works__icon::after {
	width: 2px;
	height: 10px;
	transition: transform 0.2s ease;
}

.business-works__item[open] .business-works__icon::after {
	transform: translate(-50%, -50%) scaleY(0);
}

.business-works__list {
	list-style: none;
	margin: 16px 0 0;
	padding: 16px 0 0;
	border-top: 1px solid #e6ecef;
}

.business-works__list-item {
	position: relative;
	padding: 6px 0 6px 20px;
	font-size: 16px;
	line-height: 1.7;
	color: #333333;
}

.business-works__list-item::before {
	content: '';
	position: absolute;
	left: 4px;
	top: 15px;
	width: 6px;
	height: 6px;
	border-radius: 50%;
	background: var(--color-gold);
}

/* ------------------------------------------------------------
 * レスポンシブ (SP)
 * ------------------------------------------------------------ */
@media (max-width: 767px) {
	.business-fv {
		height: 320px;
	}

	.business-fv__content {
		left: 5vw;
		bottom: 40px;
	}

	.business-fv__title {
		font-size: 36px;
	}

	.business-fv__sub {
		font-size: 14px;
	}

	.business-list {
		padding: 80px 0;
	}

	.business-list__header {
		margin-bottom: 40px;
	}

	.business-list__items {
		gap: 24px;
	}

	.business-card {
		flex-direction: column;
		align-items: stretch;
		gap: 20px;
		padding: 24px;
	}

	.business-card__img-wrapper {
		flex: none;
		max-width: 100%;
	}

	.business-card__title {
		font-size: 20px;
		margin-bottom: 12px;
	}

	.business-card__desc {
		font-size: 14px;
	}

	.business-card__desc p {
		font-size: 14px;
	}

	.business-works {
		padding: 80px 0;
	}

	.business-works__header {
		margin-bottom: 40px;
	}

	.business-works__grid {
		grid-template-columns: 1fr;
		gap: 16px;
	}

	.business-works__item {
		padding: 16px 20px;
	}

	.business-works__category {
		font-size: 18px;
	}

	.business-works__list {
		padding: 12px;
	}

	.business-works__list-item {
		font-size: 14px;
	}
}