.research-content-section {
	padding: 72px 0 90px;
}

.research-content-container {
	width: 100%;
	max-width: 1200px;
	margin: 0 auto;
	padding: 0 60px;
}

.research-intro,
.research-lab,
.research-fields,
.research-achievements {
	margin-top: 52px;
}

.research-intro {
	margin-top: 0;
}

.research-lab {
	margin-top: 80px;
}

.research-intro,
.research-lab,
.research-fields,
.research-achievements {
	padding: 0 20px;
}

.research-section-title {
	margin: 0;
	font-size: var(--fz-h2);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.08em;
	text-align: center;
	color: var(--c-main);
}

.research-section-title::after {
	content: "";
	display: block;
	width: 40px;
	height: 4px;
	margin: 12px auto 0;
	background-color: var(--c-sub);
}

.research-intro-subtitle {
	margin: 24px 0 0;
	font-size: var(--fz-h4);
	font-weight: 700;
	line-height: 1.8;
	letter-spacing: 0.08em;
	text-align: center;
	color: var(--c-main);
}

.research-intro-subtitle-sp-break {
	display: none;
}

.research-intro-texts {
	max-width: none;
	width: 100%;
	margin: 20px auto 0;
}

.research-intro-text {
	margin: 0;
	font-size: var(--fz-p-en);
	font-weight: 400;
	line-height: 1.9;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

.research-intro-text + .research-intro-text {
	margin-top: 1em;
}

.research-lab-text {
	max-width: none;
	width: 100%;
	margin: 18px auto 0;
	font-size: var(--fz-p-en);
	font-weight: var(--fw-regular);
	line-height: 1.9;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

.research-intro-visual {
	max-width: none;
	width: 100%;
	margin: 20px auto 0;
}

.research-intro-image {
	display: block;
	width: 100%;
	height: auto;
}

.research-subsection-title {
	margin: 0;
	padding-bottom: 10px;
	border-bottom: 2px solid var(--c-line-soft);
	font-size: var(--fz-h4);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-subsection-title--label {
	margin-bottom: 16px;
	padding-bottom: 14px;
	font-size: var(--fz-h3);
	position: relative;
}

.research-subsection-title--label::after {
	content: "";
	position: absolute;
	left: 0;
	bottom: -2px;
	width: 40px;
	height: 2px;
	background-color: var(--c-sub);
}

.research-field-group + .research-field-group {
	margin-top: 52px;
}

.research-placeholder {
	width: 100%;
	background-color: var(--c-base);
	border-radius: 8px;
}

.research-lab-visual {
	max-width: none;
	width: 100%;
	margin: 20px auto 0;
}

.research-lab-image {
	display: block;
	width: 100%;
	height: auto;
}

.research-lab-caption {
	margin: 12px 0 0;
	font-size: var(--fz-p-jp);
	font-weight: 700;
	line-height: 1.8;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-field-list {
	margin-top: 0;
}

.research-field-item {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 380px;
	gap: 20px;
	align-items: center;
	padding: 20px 0;
	border-bottom: 2px solid var(--c-line-soft);
}

.research-field-group .research-field-item {
	border-top: 0;
	border-bottom: 0;
	align-items: flex-start;
	gap: 40px;
	padding-top: 0;
	padding-bottom: 0;
}

.research-field-group .research-field-item__description {
	margin-top: 0;
	font-size: var(--fz-p-en);
	font-weight: 400;
}

.research-field-item__title {
	margin: 0;
	font-size: 18px;
	font-weight: 700;
	line-height: 1.5;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-field-item__description {
	margin: 10px 0 0;
	font-size: var(--fz-p-jp);
	font-weight: 500;
	line-height: 1.8;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

.research-placeholder--field {
	width: 196px;
	height: 110px;
}

.research-field-image-wrap {
	width: 380px;
	height: auto;
}

.research-field-image {
	display: block;
	width: 100%;
	height: auto;
}

.research-achievement-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 12px;
	margin-top: 18px;
}

.research-achievements-text {
	margin: 16px 0 0;
	font-size: var(--fz-p-en);
	font-weight: 400;
	line-height: 1.8;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

.research-achievement-card {
	display: flex;
	flex-direction: column;
	padding: 10px;
	background-color: var(--c-white);
}

.research-achievement-card--featured {
	padding: 20px;
	background-color: var(--c-base);
}

.research-achievement-card__heading {
	margin: 0;
	padding-bottom: 10px;
	border-bottom: 2px solid var(--c-line-soft);
	font-size: var(--fz-h5);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-achievement-card__content {
	display: flex;
	gap: 20px;
	justify-content: space-between;
	margin-top: 16px;
}

.research-achievement-card__text {
	flex: 1 1 auto;
	min-width: 0;
}

.research-achievement-card__meta {
	display: flex;
	gap: 8px;
	align-items: baseline;
	flex-wrap: wrap;
}

.research-achievement-card__feature-title {
	margin: 0;
	font-size: var(--fz-h6);
	font-weight: 700;
	line-height: 1.4;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-achievement-card__feature-subtitle {
	margin: 0;
	font-size: var(--fz-p-sm);
	font-weight: var(--fw-bold);
	line-height: 1.8;
	letter-spacing: 0.08em;
	color: var(--c-font-opa70);
}

.research-achievement-card__feature-description {
	margin: 12px 0 0;
	font-size: var(--fz-p-sm);
	font-weight: var(--fw-regular);
	line-height: 1.8;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

.research-achievement-card__image-wrap {
	flex: 0 0 172px;
	width: 172px;
	height: 172px;
}

.research-achievement-card__image {
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
}

.research-achievement-card__image-placeholder {
	width: 100%;
	height: 100%;
	background-color: var(--c-white);
	border: 1px solid var(--c-line-soft);
}

.research-placeholder--card {
	height: 84px;
	border-radius: 4px;
}

.research-achievement-card__title {
	margin: 10px 0 0;
	font-size: var(--fz-p-jp);
	font-weight: 700;
	line-height: 1.5;
	letter-spacing: 0.08em;
	color: var(--c-main);
}

.research-achievement-card__description {
	margin: 8px 0 0;
	font-size: var(--fz-p-xs);
	font-weight: 500;
	line-height: 1.7;
	letter-spacing: 0.08em;
	color: var(--c-font);
}

@media screen and (max-width: 1200px) {
	.research-content-container {
		padding: 0 20px;
	}
}

@media screen and (max-width: 1023px) {
	.research-intro {
		padding-left: 0;
		padding-right: 0;
	}

	.research-lab {
		padding-left: 0;
		padding-right: 0;
	}

	.research-fields,
	.research-achievements {
		padding-left: 0;
		padding-right: 0;
	}

	.research-content-section {
		padding: 56px 0 70px;
	}

	.research-section-title {
		font-size: var(--fz-h3);
	}

	.research-subsection-title {
		font-size: var(--fz-h4);
	}

	.research-subsection-title--label {
		font-size: var(--fz-h4);
	}

	.research-intro-subtitle {
		font-size: var(--fz-h5);
	}

	.research-lab-visual {
		max-width: 100%;
	}

	.research-placeholder--field {
		width: 100%;
		max-width: 280px;
		height: 140px;
	}

	.research-field-image-wrap {
		width: 100%;
		max-width: 380px;
		height: auto;
	}

	.research-achievement-grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
	}

	.research-achievement-card__content {
		gap: 14px;
	}
}

@media screen and (max-width: 767px) {
	.research-content-section {
		padding-top: 64px;
		padding-bottom: 56px;
	}

	.research-section-title {
		font-size: var(--fz-h4);
	}

	.research-intro-subtitle {
		font-size: var(--fz-h6);
	}

	.research-intro-text {
		font-size: var(--fz-p-sm);
	}

	.research-intro-subtitle-sp-break {
		display: block;
	}

	.research-field-item {
		grid-template-columns: 1fr;
	}

	.research-field-group .research-field-item {
		gap: 14px;
	}

	.research-field-group .research-field-item__description,
	.research-lab-text {
		font-size: var(--fz-p-sm);
	}

	.research-field-image-wrap {
		width: 100%;
		max-width: none;
	}

	.research-placeholder--field {
		max-width: none;
	}

	.research-lab-caption {
		font-size: var(--fz-p-xs);
	}

	.research-achievements-text {
		font-size: var(--fz-p-sm);
	}

	.research-subsection-title {
		font-size: var(--fz-h5);
	}

	.research-subsection-title--label {
		font-size: var(--fz-h5);
		padding-bottom: 10px;
	}

	.research-achievement-card__heading {
		font-size: var(--fz-h5);
	}

	.research-achievement-card__feature-title {
		font-size: var(--fz-h6);
	}

	.research-achievement-card__feature-subtitle {
		font-size: var(--fz-p-sm);
		font-weight: var(--fw-bold);
	}

	.research-achievement-card__feature-description {
		font-size: var(--fz-p-sm);
	}

	.research-achievement-card__image-wrap {
		flex-basis: 120px;
		width: 120px;
		height: 120px;
	}
}

@media screen and (max-width: 749px) {
	.research-achievement-grid {
		grid-template-columns: 1fr;
	}

	.research-achievement-card__content {
		flex-direction: column;
	}

	.research-achievement-card__image-wrap {
		flex-basis: auto;
		width: 100%;
		height: auto;
	}

	.research-achievement-card__image {
		width: 100%;
		height: auto;
	}
}