:root {
	--color-bg: #f4f4f2;
	--color-surface: #fafaf8;
	--color-text: #131c2d;
	--color-line: #cdd1d7;
	--color-accent: #2f3e57;
	--color-footer: #111a2c;
	--font-heading: "Cormorant Garamond", "Noto Serif JP", serif;
	--font-display: "Bodoni Moda", "Cormorant Garamond", "Noto Serif JP", serif;
	--font-body: "Inter", "Noto Sans JP", sans-serif;
	--space-xs: 0.5rem;
	--space-sm: 0.75rem;
	--space-md: 1.2rem;
	--space-lg: 2rem;
	--space-xl: 4rem;
	--space-2xl: 7rem;
	--container: 1200px;
	--line-thin: 1px;
	--radius-sm: 4px;
	--ease: 0.35s ease;
}

*,
*::before,
*::after {
	box-sizing: border-box;
}

html {
	scrollbar-gutter: stable;
}

body {
	margin: 0;
	font-family: var(--font-body);
	color: var(--color-text);
	background: var(--color-bg);
	line-height: 1.7;
}

a {
	color: inherit;
	text-decoration: none;
}

img {
	max-width: 100%;
	display: block;
}

button,
input {
	font: inherit;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

.container {
	width: min(100% - 2.4rem, var(--container));
	margin-inline: auto;
}

.section {
	padding-block: clamp(3rem, 7vw, 6rem);
}

#papers,
#theory,
#projects,
#concepts,
#media,
#about {
	scroll-margin-top: 5.5rem;
}

.section + .section {
	border-top: var(--line-thin) solid var(--color-line);
}

.section-head {
	display: flex;
	justify-content: space-between;
	align-items: end;
	gap: var(--space-lg);
	margin-bottom: var(--space-lg);
}

.section-head h2 {
	margin: 0;
	font-family: var(--font-heading);
	font-size: clamp(1.45rem, 2.4vw, 2.1rem);
	font-weight: 600;
	line-height: 1.2;
	letter-spacing: 0.01em;
}

.section-head h2 span {
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.42em;
	font-weight: 500;
	letter-spacing: 0.08em;
	color: rgba(19, 28, 45, 0.6);
	margin-left: 0.35rem;
}

.text-link {
	font-size: 0.72rem;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.7);
	padding-bottom: 0.18rem;
	border-bottom: 1px solid rgba(19, 28, 45, 0.25);
	transition: color var(--ease), border-color var(--ease);
}

.text-link:hover {
	color: var(--color-text);
	border-color: var(--color-text);
}

.eyebrow {
	margin: 0 0 var(--space-md);
	font-size: 0.7rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.72);
}

.button-outline,
.banner-link {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	margin-top: var(--space-md);
	padding: 0.75rem 1.4rem;
	border: var(--line-thin) solid rgba(19, 28, 45, 0.4);
	font-size: 0.74rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	background: transparent;
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.button-outline:hover,
.banner-link:hover {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.site-header {
	position: fixed;
	top: 0;
	left: 0;
	width: 100%;
	z-index: 50;
	background: rgba(244, 244, 242, 0.94);
	border-bottom: var(--line-thin) solid transparent;
}

.site-header.is-scrolled {
	border-color: var(--color-line);
}

.site-header__inner {
	display: flex;
	align-items: center;
	justify-content: space-between;
	min-height: 70px;
	gap: 1rem;
}

.site-logo {
	font-family: var(--font-display);
	font-size: 1.2rem;
	letter-spacing: 0.08em;
}

.site-header__right {
	display: flex;
	align-items: center;
	gap: 0.9rem;
}

.language-switcher-area {
	min-width: 84px;
	font-size: 0.75rem;
	white-space: nowrap;
}

.site-nav {
	position: fixed;
	inset: 70px 0 auto 0;
	background: var(--color-bg);
	border-bottom: var(--line-thin) solid var(--color-line);
	opacity: 0;
	pointer-events: none;
	transform: translateY(-8px);
	transition: all var(--ease);
}

.site-nav.is-open {
	opacity: 1;
	pointer-events: auto;
	transform: translateY(0);
}

.site-nav__menu {
	display: flex;
	flex-direction: column;
	list-style: none;
	margin: 0;
	padding: 0.7rem 1.2rem 1rem;
	gap: 0.4rem;
}

.site-nav__menu a {
	display: inline-block;
	padding: 0.4rem 0;
	text-transform: uppercase;
	font-size: 0.82rem;
	letter-spacing: 0.11em;
}

.menu-toggle {
	width: 38px;
	height: 38px;
	display: grid;
	place-content: center;
	background: transparent;
	border: var(--line-thin) solid var(--color-line);
	border-radius: var(--radius-sm);
	cursor: pointer;
}

.menu-toggle__line {
	display: block;
	width: 18px;
	height: 1px;
	background: var(--color-text);
	margin: 2px 0;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.site-content {
	padding-top: 70px;
}

.hero {
	position: relative;
	min-height: calc(100vh - 70px);
	display: grid;
	align-items: start;
	padding-block: 0.6rem var(--space-2xl);
}

.hero__inner {
	display: grid;
	gap: var(--space-lg);
}

.hero__visual {
	position: relative;
	z-index: 1;
	border: 0;
	background: transparent;
	overflow: visible;
	max-width: 516px;
	margin-top: 0;
}

.hero__visual picture {
	display: block;
	width: 100%;
}

.hero__visual img {
	width: 100%;
	height: auto;
	max-width: 100%;
	object-fit: contain;
	object-position: center;
	transform: none;
}

.hero__keywords {
	position: absolute;
	left: 0.85rem;
	top: 55%;
	font-size: 0.58rem;
	letter-spacing: 0.14em;
	line-height: 1.9;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-weight: 500;
	color: rgba(19, 28, 45, 0.9);
	text-transform: uppercase;
}

.hero__keywords span {
	display: block;
}

.hero__keywords::after {
	content: "";
	display: block;
	width: 1px;
	height: 44px;
	margin-top: 0.7rem;
	background: rgba(19, 28, 45, 0.22);
}

.hero__mini-title {
	font-family: "EB Garamond", "Cormorant Garamond", "Noto Serif JP", serif;
	font-size: clamp(1.05rem, 1.45vw, 1.35rem);
	font-weight: 500;
	font-style: normal;
	letter-spacing: 0.005em;
	line-height: 1.4;
	margin: 0 0 1.2rem;
	color: rgba(19, 28, 45, 0.92);
}

.hero__title {
	font-family: var(--font-display);
	font-weight: 400;
	font-size: clamp(1.9rem, 6.6vw, 4.9rem);
	line-height: 0.96;
	letter-spacing: 0.06em;
	margin: 0;
	padding-right: clamp(1rem, 3vw, 2rem);
	color: #172238;
	transform: scaleX(1.04);
	transform-origin: left center;
}

.hero__line {
	width: 100%;
	height: 1px;
	background: var(--color-line);
	margin-block: var(--space-md);
}

.hero__tagline-ja,
.hero__tagline-en {
	font-family: "Inter", "Noto Sans JP", sans-serif;
	margin: 0;
	color: rgba(19, 28, 45, 0.9);
}

.hero__tagline-ja {
	font-size: 1.06rem;
	font-weight: 300;
	letter-spacing: 0.12em;
}

.hero__tagline-en {
	margin-top: 0.2rem;
	font-size: 0.95rem;
	font-weight: 300;
	letter-spacing: 0.08em;
}

.hero__scroll {
	margin-top: 1.5rem;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.68rem;
	font-weight: 500;
	letter-spacing: 0.2em;
	color: rgba(19, 28, 45, 0.84);
}

/* ============================================
   PAPER CARD — base (used by /papers/ archive)
   ============================================ */
.paper-grid {
	display: grid;
	gap: var(--space-md);
}

.paper-card {
	display: flex;
	flex-direction: column;
	gap: 0.55rem;
	padding: 1rem 1rem 1.1rem;
	background: var(--color-surface);
	border: var(--line-thin) solid var(--color-line);
	transition: transform var(--ease), box-shadow var(--ease);
}

.paper-card:hover {
	transform: translateY(-2px);
	box-shadow: 0 12px 28px -22px rgba(19, 28, 45, 0.35);
}

.paper-card__head {
	display: flex;
	align-items: center;
	gap: 0.45rem;
}

.paper-card__label {
	font-size: 0.62rem;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.6);
}

.paper-card__version {
	font-size: 0.6rem;
	letter-spacing: 0.06em;
	padding: 0.12rem 0.45rem;
	border: var(--line-thin) solid rgba(19, 28, 45, 0.25);
	border-radius: 2px;
	color: rgba(19, 28, 45, 0.7);
}

.paper-card__thumb {
	aspect-ratio: 4 / 3;
	overflow: hidden;
	background: #ecedf0;
	margin-top: 0.2rem;
}

.paper-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	mix-blend-mode: multiply;
	opacity: 0.92;
}

.paper-card__title {
	margin: 0.45rem 0 0;
	font-family: var(--font-heading);
	font-size: 1.05rem;
	font-weight: 600;
	line-height: 1.28;
	letter-spacing: 0.005em;
	color: var(--color-text);
}

.paper-card__date {
	font-size: 0.7rem;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.55);
}

.paper-card__actions {
	display: flex;
	gap: 0.4rem;
	margin-top: auto;
	padding-top: 0.5rem;
}

.paper-card__btn {
	flex: 1;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	padding: 0.45rem 0.5rem;
	font-size: 0.68rem;
	letter-spacing: 0.16em;
	text-transform: uppercase;
	border: var(--line-thin) solid rgba(19, 28, 45, 0.35);
	color: var(--color-text);
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.paper-card__btn:hover {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.paper-card__btn--filled {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.paper-card__btn--filled:hover {
	background: transparent;
	color: var(--color-text);
}

/* ============================================
   PAPERS ARCHIVE — /papers/ page only
   ============================================ */
.section-papers-archive .paper-grid {
	display: grid;
	grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
	gap: clamp(0.9rem, 1.6vw, 1.4rem);
	align-items: stretch;
}

.section-papers-archive .paper-grid__empty {
	grid-column: 1 / -1;
	margin: 0;
	color: rgba(19, 28, 45, 0.55);
	font-size: 0.9rem;
}

.section-papers-archive .paper-card {
	display: flex;
	flex-direction: column;
	gap: 0;
	padding: 0;
	background: #ffffff;
	border: 0.5px solid rgba(19, 28, 45, 0.12);
	border-radius: 8px;
	overflow: hidden;
	transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}

.section-papers-archive .paper-card:hover {
	border-color: rgba(19, 28, 45, 0.32);
	box-shadow: 0 14px 32px -24px rgba(19, 28, 45, 0.35);
	transform: translateY(-2px);
}

.section-papers-archive .paper-card__thumb {
	width: 100%;
	aspect-ratio: 16 / 9;
	overflow: hidden;
	background: #ecedf0;
	margin-top: 0;
}

.section-papers-archive .paper-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	display: block;
	mix-blend-mode: normal;
	opacity: 1;
}

.section-papers-archive .paper-card__thumb--placeholder {
	background: linear-gradient(135deg, #e9eaee 0%, #dcdee3 100%);
}

.section-papers-archive .paper-card__body {
	display: flex;
	flex-direction: column;
	gap: 0.45rem;
	padding: 1rem 1.1rem 1.1rem;
	flex: 1 1 auto;
}

.section-papers-archive .paper-card__number {
	margin: 0;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.66rem;
	font-weight: 500;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.5);
	display: inline-flex;
	flex-wrap: wrap;
	align-items: baseline;
	gap: 0.4rem;
}

.section-papers-archive .paper-card__number-jp {
	letter-spacing: 0.16em;
	font-family: "Noto Serif JP", "Cormorant Garamond", serif;
}

.section-papers-archive .paper-card__number-sep {
	opacity: 0.4;
}

.section-papers-archive .paper-card__number-en {
	letter-spacing: 0.24em;
}

.section-papers-archive .paper-card__title {
	margin: 0.1rem 0 0;
	font-family: var(--font-heading);
	font-size: 1.125rem;
	font-weight: 600;
	line-height: 1.35;
	letter-spacing: 0.005em;
	color: var(--color-text);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	word-break: break-word;
}

.section-papers-archive .paper-card__subtitle {
	margin: 0;
	font-size: 0.8125rem;
	line-height: 1.55;
	color: rgba(19, 28, 45, 0.62);
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
}

.section-papers-archive .paper-card__meta {
	margin: 0.15rem 0 0;
	font-size: 0.7rem;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.55);
	display: inline-flex;
	align-items: baseline;
	gap: 0.35rem;
	flex-wrap: wrap;
}

.section-papers-archive .paper-card__version {
	font-size: 0.68rem;
	letter-spacing: 0.04em;
	padding: 0;
	border: 0;
	border-radius: 0;
	color: rgba(19, 28, 45, 0.6);
}

.section-papers-archive .paper-card__meta-sep {
	opacity: 0.45;
}

.section-papers-archive .paper-card__date {
	font-size: 0.7rem;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.55);
}

.section-papers-archive .paper-card__actions {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 0.5rem;
	margin-top: auto;
	padding-top: 0.85rem;
}

.section-papers-archive .paper-card__actions--single {
	grid-template-columns: 1fr;
}

.section-papers-archive .paper-card__btn {
	flex: initial;
	display: inline-flex;
	align-items: center;
	justify-content: center;
	gap: 0.35rem;
	padding: 0.55rem 0.6rem;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.7rem;
	font-weight: 500;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	border-radius: 4px;
	border: 0.5px solid rgba(19, 28, 45, 0.4);
	color: var(--color-text);
	background: transparent;
	cursor: pointer;
	text-align: center;
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.section-papers-archive .paper-card__btn:hover,
.section-papers-archive .paper-card__btn:focus-visible {
	background: var(--color-text);
	color: #ffffff;
	border-color: var(--color-text);
}

.section-papers-archive .paper-card__btn--filled {
	background: var(--color-text);
	color: #ffffff;
	border-color: var(--color-text);
}

.section-papers-archive .paper-card__btn--filled:hover,
.section-papers-archive .paper-card__btn--filled:focus-visible {
	background: transparent;
	color: var(--color-text);
}

.section-papers-archive .paper-card__btn--ghost {
	background: transparent;
}

.section-papers-archive .paper-card__btn-arrow {
	font-size: 0.85em;
	line-height: 1;
	transform: translateY(-1px);
	transition: transform var(--ease);
}

.section-papers-archive .paper-card__btn--ghost:hover .paper-card__btn-arrow,
.section-papers-archive .paper-card__btn--ghost:focus-visible .paper-card__btn-arrow {
	transform: translate(2px, -1px);
}

@media (max-width: 479px) {
	.section-papers-archive .paper-grid {
		grid-template-columns: 1fr;
	}

	.section-papers-archive .paper-card__title {
		font-size: 1.05rem;
	}

	.section-papers-archive .paper-card__actions {
		grid-template-columns: 1fr;
	}
}

.project-carousel {
	position: relative;
	display: grid;
	grid-template-columns: auto 1fr auto;
	align-items: stretch;
	gap: 0.4rem;
	--project-category-min: clamp(240px, 28vw, 320px);
}

.project-carousel__nav {
	display: none;
	place-content: center;
	width: 36px;
	min-height: 100%;
	background: transparent;
	border: var(--line-thin) solid var(--color-line);
	color: rgba(19, 28, 45, 0.55);
	font-size: 1.25rem;
	line-height: 1;
	cursor: pointer;
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.project-carousel.is-carousel .project-carousel__nav {
	display: grid;
}

.project-carousel__nav:hover {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.project-category-list {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: clamp(0.6rem, 1.4vw, 1.4rem);
}

.project-carousel.is-carousel .project-category-list {
	display: flex;
	overflow-x: auto;
	scroll-snap-type: x mandatory;
	overscroll-behavior-x: contain;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: none;
}

.project-carousel.is-carousel .project-category-list::-webkit-scrollbar {
	display: none;
}

.project-carousel.is-carousel .project-category {
	flex: 0 0 var(--project-category-min);
	scroll-snap-align: start;
	min-width: 0;
}

.project-category {
	display: flex;
	flex-direction: column;
	gap: 0.6rem;
}

.project-category__head {
	border-bottom: var(--line-thin) solid var(--color-line);
	padding-bottom: 0.5rem;
}

.project-category h3 {
	margin: 0;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.74rem;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.78);
}

.project-grid {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.4rem;
}

.project-card {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.project-card__thumb {
	aspect-ratio: 1 / 1;
	overflow: hidden;
	background: var(--color-surface);
}

.project-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	transition: transform 0.6s ease;
}

.project-card:hover .project-card__thumb img {
	transform: scale(1.05);
}

.project-card__title {
	margin: 0;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.72rem;
	letter-spacing: 0.05em;
	color: rgba(19, 28, 45, 0.78);
	text-align: center;
}

.project-grid__empty {
	grid-column: 1 / -1;
	font-size: 0.78rem;
	color: rgba(19, 28, 45, 0.55);
	margin: 0;
}

/* PROJECTS page — compact card thumbnails */
.projects-page .project-category + .project-category {
	margin-top: var(--space-lg);
}

.projects-page .project-category h2 {
	margin: 0 0 0.6rem;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.74rem;
	font-weight: 600;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.78);
}

.projects-page .project-card {
	align-items: center;
}

.projects-page .project-card__thumb {
	aspect-ratio: 1 / 1;
	width: clamp(88px, 12vw, 140px);
	height: auto;
}

.two-col {
	display: grid;
	gap: var(--space-xl);
}

.concept-archive__lead {
	max-width: 36ch;
	font-size: 0.88rem;
	line-height: 1.8;
	color: rgba(19, 28, 45, 0.72);
	margin: 0 0 var(--space-md);
}

.concept-archive__tags {
	list-style: none;
	padding: 0;
	margin: 0 0 var(--space-md);
	display: flex;
	flex-wrap: wrap;
	gap: 0.4rem;
	max-width: 460px;
}

.concept-archive__tags a {
	display: inline-block;
	padding: 0.35rem 0.85rem;
	font-size: 0.74rem;
	letter-spacing: 0.04em;
	border: var(--line-thin) solid var(--color-line);
	background: var(--color-surface);
	color: rgba(19, 28, 45, 0.78);
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.concept-archive__tags a:hover {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.concept-archive__cta {
	margin-top: 0.5rem;
}

.news-list {
	list-style: none;
	padding: 0;
	margin: 0;
	border-top: var(--line-thin) solid var(--color-line);
}

.news-list__item {
	display: grid;
	grid-template-columns: 88px 92px 1fr;
	align-items: center;
	gap: 0.8rem;
	padding: 0.85rem 0.2rem;
	border-bottom: var(--line-thin) solid var(--color-line);
	font-size: 0.84rem;
}

.news-list__item time {
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.74rem;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.65);
}

.news-list__category {
	justify-self: start;
	display: inline-block;
	padding: 0.2rem 0.55rem;
	font-size: 0.62rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	border: var(--line-thin) solid rgba(19, 28, 45, 0.35);
	color: rgba(19, 28, 45, 0.7);
}

.news-list__title {
	font-size: 0.86rem;
	line-height: 1.5;
	color: var(--color-text);
	transition: color var(--ease);
}

.news-list__title:hover {
	color: var(--color-accent);
}

.impact-map {
	border: var(--line-thin) solid var(--color-line);
	padding: var(--space-md);
	color: rgba(19, 28, 45, 0.45);
	margin-bottom: var(--space-md);
}

.impact-map svg,
.impact-map img {
	width: 100%;
	height: auto;
	display: block;
}

.impact-stats {
	display: grid;
	grid-template-columns: repeat(3, minmax(0, 1fr));
	gap: 0.4rem 0;
	margin: 0;
	border-top: var(--line-thin) solid var(--color-line);
	border-left: var(--line-thin) solid var(--color-line);
}

.impact-stats__item {
	padding: 0.85rem 0.7rem;
	border-right: var(--line-thin) solid var(--color-line);
	border-bottom: var(--line-thin) solid var(--color-line);
	background: var(--color-surface);
}

.impact-stats__item dt {
	font-size: 0.62rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.6);
	margin: 0 0 0.25rem;
}

.impact-stats__item dd {
	margin: 0;
	font-family: var(--font-heading);
	font-size: 1.85rem;
	font-weight: 600;
	line-height: 1;
	color: var(--color-text);
}

.impact-stats__item dd .js-countup {
	display: inline-block;
	min-width: 2.5ch;
	font-variant-numeric: tabular-nums;
	text-align: right;
}

.section-media-impact .js-reveal {
	opacity: 1;
	transition: none;
}

.about-band {
	display: grid;
	gap: clamp(1.2rem, 2.5vw, 2rem);
	align-items: start;
	contain: layout style;
}

.about-band__quote {
	margin: 0;
	max-width: 42ch;
	font-family: var(--font-heading);
	font-size: clamp(1.05rem, 1.8vw, 1.28rem);
	font-weight: 500;
	line-height: 1.75;
	letter-spacing: 0.02em;
	color: rgba(19, 28, 45, 0.88);
}

.about-band__profile {
	min-width: 0;
}

.about-band__photo {
	width: 100%;
	aspect-ratio: 3 / 4;
	overflow: hidden;
	background: rgba(19, 28, 45, 0.04);
}

.about-band__photo img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	object-position: center top;
}

.about-band__eyebrow {
	margin: 0.85rem 0 0;
	line-height: 1.6;
}

.about-band__timeline-wrap {
	display: flex;
	flex-direction: column;
	min-width: 0;
}

.about-band__timeline-wrap .timeline-list {
	margin-top: 0;
}

.about-band__signature {
	display: flex;
	justify-content: flex-end;
	margin-top: clamp(1rem, 2vw, 1.6rem);
}

.about-band__signature .signature-placeholder {
	width: clamp(140px, 22vw, 220px);
}

.signature-placeholder {
	width: min(220px, 55%);
	height: auto;
	aspect-ratio: 9 / 5;
	object-fit: contain;
	opacity: 0.92;
}

.timeline-list {
	margin: var(--space-lg) 0 0;
	padding: 0;
	display: grid;
	gap: 0;
	border-top: var(--line-thin) solid var(--color-line);
}

.timeline-list__row {
	display: grid;
	grid-template-columns: 7.5rem minmax(0, 1fr);
	align-items: baseline;
	gap: clamp(1rem, 2vw, 2rem);
	padding: 0.85rem 0;
	border-bottom: var(--line-thin) solid var(--color-line);
}

.timeline-list__meta {
	display: flex;
	gap: 0.35rem;
	align-items: baseline;
	justify-content: flex-end;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	text-align: right;
}

.timeline-list__year {
	font-weight: 600;
	font-size: 0.86rem;
	font-variant-numeric: tabular-nums;
	color: var(--color-text);
}

.timeline-list__age {
	font-size: 0.72rem;
	font-variant-numeric: tabular-nums;
	color: rgba(19, 28, 45, 0.5);
}

.timeline-list__text {
	margin: 0;
	font-size: 0.84rem;
	line-height: 1.6;
	color: rgba(19, 28, 45, 0.82);
}

.section-theory__inner {
	display: grid;
	gap: var(--space-lg);
	align-items: center;
}

.section-theory {
	padding-block: clamp(3.2rem, 7.5vw, 5.6rem);
}

.section-theory__copy h3 {
	margin: 0 0 0.7rem;
	font-family: var(--font-heading);
	font-size: clamp(1.25rem, 2vw, 1.7rem);
	font-weight: 600;
	line-height: 1.35;
	letter-spacing: 0.02em;
	color: var(--color-text);
}

.section-theory__copy p {
	max-width: 36ch;
	margin: 0;
	font-size: 0.88rem;
	line-height: 1.82;
	letter-spacing: 0.01em;
	color: rgba(19, 28, 45, 0.72);
}

.section-theory__copy .button-outline {
	margin-top: 1.2rem;
}

.section-theory__map-wrap {
	padding: clamp(0.4rem, 1.2vw, 0.9rem);
}

/* === Theory Map (constellation) === */
.theory-map {
	position: relative;
	width: 100%;
	max-width: 1400px;
	height: clamp(320px, 32vw, 420px);
	margin: 0 auto;
	overflow: hidden;
	background: #f4f4f4;
	font-family: "Times New Roman", "Yu Mincho", "Hiragino Mincho ProN", serif;
}

.theory-lines {
	position: absolute;
	inset: 0;
	width: 100%;
	height: 100%;
	z-index: 1;
	pointer-events: none;
}

.theory-lines line {
	stroke: rgba(130, 130, 130, 0.26);
	stroke-width: 1.1;
}

.theory-center {
	position: absolute;
	left: 50%;
	top: 50%;
	width: 170px;
	height: 170px;
	transform: translate(-50%, -50%);
	border-radius: 50%;
	background: radial-gradient(circle at 35% 30%, #24303d, #0d1218 72%);
	color: #fff;
	display: grid;
	place-items: center;
	z-index: 3;
	box-shadow:
		0 18px 40px rgba(0, 0, 0, 0.14),
		inset 0 0 24px rgba(255, 255, 255, 0.06);
}

.theory-center span {
	font-size: 24px;
	line-height: 1.18;
	font-weight: 700;
	letter-spacing: 0.01em;
	text-align: left;
}

.theory-map::before,
.theory-map::after {
	content: "";
	position: absolute;
	left: 50%;
	top: 50%;
	border-radius: 50%;
	transform: translate(-50%, -50%);
	border: 1px solid rgba(0, 0, 0, 0.05);
	z-index: 0;
}

.theory-map::before {
	width: 220px;
	height: 220px;
}

.theory-map::after {
	width: 290px;
	height: 290px;
}

.theory-node {
	position: absolute;
	display: flex;
	align-items: center;
	gap: 14px;
	z-index: 2;
	color: rgba(40, 40, 40, 0.78);
	will-change: transform;
}

.theory-node.vertical {
	flex-direction: column;
	align-items: center;
	gap: 10px;
}

.node-dot {
	width: 28px;
	height: 28px;
	border-radius: 50%;
	background: rgba(155, 155, 155, 0.78);
	box-shadow:
		0 0 0 10px rgba(160, 160, 160, 0.06),
		0 6px 18px rgba(0, 0, 0, 0.06);
	flex: 0 0 auto;
}

.theory-node p {
	margin: 0;
	font-size: 21px;
	line-height: 1.25;
	font-weight: 700;
	white-space: nowrap;
}

.theory-node small {
	font-size: 14px;
	letter-spacing: 0.04em;
}

.node-1 {
	left: 50%;
	top: 7%;
	transform: translateX(-50%);
}

.node-2 {
	right: 18%;
	top: 8%;
}

.node-3 {
	right: 4%;
	top: 45%;
}

.node-4 {
	right: 9%;
	top: 67%;
}

.node-5 {
	left: 59%;
	bottom: 7%;
}

.node-6 {
	left: 36%;
	bottom: 6%;
}

.node-7 {
	left: 14%;
	bottom: 25%;
}

.node-8 {
	left: 4%;
	top: 45%;
}

.node-9 {
	left: 12%;
	top: 8%;
}

@media (max-width: 768px) {
	.theory-map {
		height: 240px;
	}

	.theory-center {
		width: 112px;
		height: 112px;
	}

	.theory-center span {
		font-size: 16px;
	}

	.theory-map::before {
		width: 170px;
		height: 170px;
	}

	.theory-map::after {
		width: 215px;
		height: 215px;
	}

	.node-dot {
		width: 20px;
		height: 20px;
	}

	.theory-node {
		gap: 9px;
	}

	.theory-node p {
		font-size: 15px;
	}

	.theory-node small {
		font-size: 11px;
	}

	.node-1 { left: 50%; top: 6%; }
	.node-2 { right: 2%; top: 13%; }
	.node-3 { right: 1%; top: 40%; }
	.node-4 { right: 2%; top: 64%; }
	.node-5 { left: 50%; bottom: 8%; }
	.node-6 { left: 25%; bottom: 7%; }
	.node-7 { left: 2%; bottom: 28%; }
	.node-8 { left: 2%; top: 40%; }
	.node-9 { left: 4%; top: 14%; }
}

.yt-grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
	gap: 0.85rem;
}

.yt-card {
	display: block;
	border-top: var(--line-thin) solid var(--color-line);
	padding-top: 0.55rem;
}

.yt-thumb img {
	width: 100%;
	aspect-ratio: 16 / 9;
	object-fit: cover;
}

.yt-card-t {
	margin-top: 0.45rem;
	font-size: 0.9rem;
}

.page-header {
	padding-block: var(--space-xl) var(--space-lg);
	border-bottom: var(--line-thin) solid var(--color-line);
}

.page-header__breadcrumb {
	font-size: 0.76rem;
	margin: 0 0 0.5rem;
	letter-spacing: 0.08em;
	text-transform: uppercase;
}

.page-header__title {
	margin: 0;
	font-family: var(--font-heading);
	font-size: clamp(2.3rem, 6vw, 4.8rem);
	line-height: 0.94;
}

.page-header__subtitle {
	font-size: 0.9rem;
	margin-top: 0.7rem;
	letter-spacing: 0.12em;
	text-transform: uppercase;
}

.page-section,
.page-default {
	padding-block: var(--space-xl);
}

.filter-bar {
	display: flex;
	flex-wrap: wrap;
	gap: var(--space-sm);
	margin-bottom: var(--space-lg);
}

.filter-bar label {
	display: grid;
	gap: 0.3rem;
	font-size: 0.82rem;
	text-transform: uppercase;
	letter-spacing: 0.06em;
}

.filter-bar input,
.filter-bar select {
	min-width: 150px;
	border: var(--line-thin) solid var(--color-line);
	background: transparent;
	padding: 0.45rem 0.55rem;
}

.filter-bar button {
	border: var(--line-thin) solid var(--color-line);
	background: transparent;
	padding: 0.45rem 1rem;
	cursor: pointer;
}

.site-footer {
	background: var(--color-footer);
	color: #ebedf1;
	padding-block: var(--space-xl) var(--space-md);
}

.site-footer__grid {
	display: grid;
	gap: var(--space-lg);
}

.site-footer__brand {
	display: flex;
	flex-direction: column;
	gap: 0.4rem;
}

.site-footer__logo {
	font-family: var(--font-display);
	font-size: 1.1rem;
	letter-spacing: 0.06em;
	margin: 0;
}

.site-footer__copy {
	margin: 0;
	font-size: 0.7rem;
	letter-spacing: 0.06em;
	color: rgba(235, 237, 241, 0.55);
	text-transform: none;
}

.site-footer__heading {
	margin: 0 0 0.65rem;
	font-size: 0.7rem;
	letter-spacing: 0.22em;
	text-transform: uppercase;
	color: rgba(235, 237, 241, 0.85);
	font-weight: 600;
}

.site-footer__col {
	min-width: 0;
}

.site-footer__col--hidden {
	display: none;
}

.footer-menu {
	list-style: none;
	margin: 0;
	padding: 0;
	display: grid;
	gap: 0.4rem;
}

.footer-menu a {
	font-size: 0.78rem;
	letter-spacing: 0.02em;
	color: rgba(235, 237, 241, 0.7);
	transition: color var(--ease);
}

.footer-menu a:hover {
	color: #fff;
}

.sns-list {
	list-style: none;
	margin: 0;
	padding: 0;
	display: flex;
	gap: 0.65rem;
	align-items: center;
}

.sns-list a {
	display: inline-grid;
	place-content: center;
	width: 34px;
	height: 34px;
	border: var(--line-thin) solid rgba(235, 237, 241, 0.25);
	color: rgba(235, 237, 241, 0.85);
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.sns-list a:hover {
	background: rgba(235, 237, 241, 0.92);
	color: var(--color-footer);
	border-color: rgba(235, 237, 241, 0.92);
}

.site-footer__legal {
	display: flex;
	justify-content: flex-end;
	gap: var(--space-md);
	padding-top: var(--space-lg);
	margin-top: var(--space-lg);
	border-top: var(--line-thin) solid rgba(255, 255, 255, 0.12);
	font-size: 0.7rem;
	letter-spacing: 0.18em;
	text-transform: uppercase;
}

.site-footer__legal-links {
	display: flex;
	gap: var(--space-md);
	color: rgba(235, 237, 241, 0.55);
}

.site-footer__legal-links a {
	color: rgba(235, 237, 241, 0.6);
	transition: color var(--ease);
}

.site-footer__legal-links a:hover {
	color: #fff;
}

.js-reveal {
	opacity: 0;
	transition: opacity 0.7s ease;
}

.js-reveal.is-visible {
	opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
	.js-reveal {
		opacity: 1;
		transition: none;
	}
}

@keyframes line-draw {
	to {
		stroke-dashoffset: 0;
	}
}

@keyframes node-pop {
	from {
		opacity: 0;
		transform: scale(0.8);
	}
	to {
		opacity: 1;
		transform: scale(1);
	}
}

@keyframes node-pulse {
	0%,
	100% {
		opacity: 0.6;
	}
	50% {
		opacity: 1;
	}
}

@media (min-width: 780px) {
	.site-nav {
		position: static;
		inset: auto;
		background: transparent;
		border: 0;
		opacity: 1;
		pointer-events: auto;
		transform: none;
	}

	.site-nav__menu {
		flex-direction: row;
		padding: 0;
		gap: 0.9rem;
	}

	.menu-toggle {
		display: none;
	}

	.hero__inner {
		grid-template-columns: 1fr 1fr;
		align-items: start;
		gap: clamp(1.5rem, 3.5vw, 3.5rem);
	}

	.hero__visual img {
		transform: none;
		object-position: center;
	}

	.hero__visual {
		justify-self: start;
		align-self: start;
		width: 100%;
		max-width: clamp(384px, 46vw, 564px);
		margin-top: 0;
	}

	.hero__content {
		justify-self: start;
		align-self: center;
		max-width: 100%;
		padding-top: clamp(2rem, 6vw, 5rem);
	}

	.paper-grid {
		grid-template-columns: repeat(4, minmax(0, 1fr));
	}

	.project-category-list {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: clamp(0.6rem, 1.4vw, 1.4rem);
	}

	.project-grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.two-col {
		grid-template-columns: 1fr 1fr;
	}

	.about-band {
		grid-template-columns: minmax(220px, 0.38fr) minmax(0, 1fr);
		grid-template-areas:
			"profile quote"
			"profile timeline";
		column-gap: clamp(2rem, 4vw, 4rem);
		row-gap: clamp(1.2rem, 2.5vw, 1.8rem);
		align-items: start;
	}

	.about-band__profile {
		grid-area: profile;
	}

	.about-band__quote {
		grid-area: quote;
		max-width: 48ch;
	}

	.about-band__timeline-wrap {
		grid-area: timeline;
	}

	.impact-stats {
		grid-template-columns: repeat(5, minmax(0, 1fr));
	}

	.section-theory__inner {
		grid-template-columns: minmax(270px, 0.78fr) minmax(0, 1.22fr);
		gap: clamp(1.2rem, 2.8vw, 3rem);
	}

	.site-footer__grid {
		grid-template-columns: 1.4fr repeat(4, minmax(0, 1fr)) auto;
		align-items: start;
		gap: clamp(1rem, 2vw, 2.4rem);
	}
}

/* タブレット幅: 2カラムで縦が短くなるため、画面高さ固定と大きめ余白を緩和 */
@media (min-width: 780px) and (max-width: 1199px) {
	.hero {
		min-height: auto;
		padding-bottom: var(--space-xl);
	}

	.hero__content {
		align-self: start;
		padding-top: clamp(1rem, 3vw, 2rem);
	}

	.theory-map {
		height: clamp(250px, 28vw, 290px);
	}

	.theory-center {
		width: 120px;
		height: 120px;
	}

	.theory-center span {
		font-size: 17px;
	}

	.theory-map::before {
		width: 165px;
		height: 165px;
	}

	.theory-map::after {
		width: 220px;
		height: 220px;
	}

	.node-dot {
		width: 20px;
		height: 20px;
	}

	.theory-node {
		gap: 9px;
	}

	.theory-node p {
		font-size: 15px;
	}

	.theory-node small {
		font-size: 11px;
	}

	.node-1 { left: 50%; top: 6%; }
	.node-2 { right: 2%; top: 13%; }
	.node-3 { right: 1%; top: 40%; }
	.node-4 { right: 2%; top: 64%; }
	.node-5 { left: 50%; bottom: 8%; }
	.node-6 { left: 25%; bottom: 7%; }
	.node-7 { left: 2%; bottom: 28%; }
	.node-8 { left: 2%; top: 40%; }
	.node-9 { left: 4%; top: 14%; }
}

@media (max-width: 779px) {
	.hero__visual {
		max-width: none;
		width: 100%;
	}

	.section-head {
		flex-wrap: wrap;
		align-items: flex-end;
		gap: 0.6rem;
	}

	.project-carousel {
		--project-category-min: clamp(200px, 72vw, 280px);
	}

	.section-theory__inner {
		grid-template-columns: 1fr;
	}

	.section-news-concepts .two-col__right,
	.section-media-impact .two-col__right {
		padding-top: var(--space-xl);
		margin-top: var(--space-xl);
		border-top: var(--line-thin) solid var(--color-line);
	}

	.news-list__item {
		grid-template-columns: auto 1fr;
		grid-template-areas:
			"date     category"
			"title    title";
		align-items: center;
		row-gap: 0.45rem;
		column-gap: 0.7rem;
		font-size: 0.78rem;
	}

	.news-list__item time {
		grid-area: date;
	}

	.news-list__category {
		grid-area: category;
		justify-self: start;
	}

	.news-list__title {
		grid-area: title;
		font-size: 0.95rem;
	}

	.timeline-list__row {
		grid-template-columns: 6.5rem minmax(0, 1fr);
		gap: 1rem;
	}

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

	.about-band__quote {
		max-width: none;
	}

	.about-band__photo {
		max-width: min(320px, 100%);
		margin-inline: auto;
	}

	.about-band__signature .signature-placeholder {
		width: min(200px, 55%);
	}
}

/* ============================================
   LATEST PAPERS — front-page section scoped
   ============================================ */
.section-papers .paper-grid {
	display: flex;
	flex-wrap: nowrap;
	gap: 0.9rem;
	overflow-x: auto;
	overflow-y: hidden;
	padding-bottom: 0.6rem;
	scroll-snap-type: x proximity;
	-webkit-overflow-scrolling: touch;
	scrollbar-width: thin;
	scrollbar-color: rgba(19, 28, 45, 0.18) transparent;
}

.section-papers .paper-grid::-webkit-scrollbar {
	height: 6px;
}

.section-papers .paper-grid::-webkit-scrollbar-track {
	background: transparent;
}

.section-papers .paper-grid::-webkit-scrollbar-thumb {
	background: rgba(19, 28, 45, 0.18);
	border-radius: 3px;
}

.section-papers .paper-card {
	flex: 0 0 calc(25% - 0.675rem);
	max-width: calc(25% - 0.675rem);
	min-width: 290px;
	box-sizing: border-box;
	display: flex;
	flex-direction: row;
	align-items: stretch;
	gap: 0.85rem;
	padding: 0.9rem 1rem;
	background: #ffffff;
	border: 1px solid rgba(19, 28, 45, 0.1);
	border-radius: 4px;
	box-shadow: none;
	scroll-snap-align: start;
	text-decoration: none;
	color: inherit;
	cursor: pointer;
	transition: border-color var(--ease), background var(--ease);
}

.section-papers .paper-card:hover,
.section-papers .paper-card:focus-visible {
	transform: none;
	box-shadow: none;
	border-color: rgba(19, 28, 45, 0.4);
	background: #fafaf8;
}

.section-papers .paper-card:focus-visible {
	outline: 2px solid var(--color-accent);
	outline-offset: 2px;
}

.section-papers .paper-card__thumb {
	flex: 0 0 76px;
	width: 76px;
	aspect-ratio: 3 / 4;
	margin-top: 0;
	background: #ecedf0;
	border-radius: 2px;
	overflow: hidden;
}

.section-papers .paper-card__thumb img {
	width: 100%;
	height: 100%;
	object-fit: cover;
	mix-blend-mode: normal;
	opacity: 1;
}

.section-papers .paper-card__body {
	flex: 1 1 auto;
	min-width: 0;
	display: flex;
	flex-direction: column;
	gap: 0.35rem;
}

.section-papers .paper-card__head {
	display: flex;
	align-items: center;
	gap: 0.45rem;
}

.section-papers .paper-card__label {
	font-size: 0.7rem;
	letter-spacing: 0.2em;
}

.section-papers .paper-card__version {
	font-size: 0.66rem;
	padding: 0.1rem 0.4rem;
	letter-spacing: 0.06em;
}

.section-papers .paper-card__title {
	margin: 0.15rem 0 0;
	font-family: var(--font-heading);
	font-size: 1.1rem;
	font-weight: 600;
	line-height: 1.3;
	display: -webkit-box;
	-webkit-line-clamp: 2;
	line-clamp: 2;
	-webkit-box-orient: vertical;
	overflow: hidden;
	word-break: break-word;
}

.section-papers .paper-card__date {
	font-size: 0.78rem;
	letter-spacing: 0.06em;
	margin-top: auto;
}

.section-papers .paper-grid--single {
	justify-content: flex-start;
	overflow-x: visible;
	scroll-snap-type: none;
}

.section-papers .paper-grid__empty {
	flex: 1 1 100%;
	margin: 0;
	color: rgba(19, 28, 45, 0.55);
	font-size: 0.85rem;
}

@media (max-width: 779px) {
	/* 2-up grid instead of a 1-at-a-time carousel */
	.section-papers .paper-grid {
		display: grid;
		grid-template-columns: repeat(2, minmax(0, 1fr));
		gap: 0.7rem;
		overflow: visible;
		padding-bottom: 0;
		scroll-snap-type: none;
	}

	.section-papers .paper-card {
		flex: initial;
		max-width: none;
		min-width: 0;
		flex-direction: column;
		align-items: stretch;
		gap: 0.5rem;
		padding: 0.7rem 0.75rem 0.8rem;
	}

	/* smaller cover image */
	.section-papers .paper-card__thumb {
		flex: none;
		width: 60px;
		aspect-ratio: 3 / 4;
	}

	/* "PAPER" label removed on mobile (version badge stays) */
	.section-papers .paper-card__label {
		display: none;
	}

	.section-papers .paper-card__title {
		font-size: 0.92rem;
	}

	.section-papers .paper-card__date {
		font-size: 0.72rem;
	}

	/* a lone paper spans full width */
	.section-papers .paper-grid--single {
		grid-template-columns: 1fr;
		overflow-x: visible;
	}

	.section-papers .paper-grid--single .paper-card {
		flex: initial;
		max-width: none;
	}
}

/* ============================================
   NEWS ARCHIVE — /news/ page
   ============================================ */
.news-archive {
	padding-block: clamp(2.4rem, 5vw, 4.5rem);
}

.news-archive__list {
	list-style: none;
	margin: 0;
	padding: 0;
	border-top: var(--line-thin) solid var(--color-line);
}

.news-archive__item {
	display: grid;
	grid-template-columns: 110px 110px 1fr;
	align-items: center;
	gap: clamp(0.8rem, 1.8vw, 1.4rem);
	padding: clamp(0.95rem, 2vw, 1.25rem) 0.2rem;
	border-bottom: var(--line-thin) solid var(--color-line);
}

.news-archive__date {
	font-family: var(--font-display);
	font-size: 0.95rem;
	font-weight: 500;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.7);
	white-space: nowrap;
}

.news-archive__category {
	justify-self: start;
	display: inline-block;
	padding: 0.26rem 0.7rem;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.62rem;
	font-weight: 600;
	letter-spacing: 0.2em;
	text-transform: uppercase;
	background: rgba(19, 28, 45, 0.06);
	color: rgba(19, 28, 45, 0.78);
	border-left: 2px solid rgba(19, 28, 45, 0.4);
}

.news-archive__category--paper {
	background: rgba(47, 62, 87, 0.1);
	color: #2f3e57;
	border-left-color: #2f3e57;
}

.news-archive__category--event {
	background: rgba(176, 95, 60, 0.1);
	color: #b05f3c;
	border-left-color: #b05f3c;
}

.news-archive__category--project {
	background: rgba(54, 102, 96, 0.1);
	color: #366660;
	border-left-color: #366660;
}

.news-archive__category--media {
	background: rgba(102, 91, 124, 0.1);
	color: #665b7c;
	border-left-color: #665b7c;
}

.news-archive__category--release {
	background: rgba(19, 28, 45, 0.06);
	color: rgba(19, 28, 45, 0.78);
	border-left-color: rgba(19, 28, 45, 0.4);
}

.news-archive__title {
	font-family: var(--font-heading);
	font-size: clamp(1rem, 1.4vw, 1.15rem);
	font-weight: 500;
	line-height: 1.5;
	letter-spacing: 0.005em;
	color: var(--color-text);
	transition: color var(--ease);
}

.news-archive__title:hover {
	color: var(--color-accent);
}

/* Pagination */
.news-pagination {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	align-items: center;
	gap: 0.4rem;
	margin-top: clamp(2rem, 4vw, 3.4rem);
	padding-top: clamp(1.5rem, 3vw, 2.2rem);
	border-top: var(--line-thin) solid var(--color-line);
}

.news-pagination .page-numbers {
	display: inline-flex;
	align-items: center;
	justify-content: center;
	min-width: 2.4rem;
	height: 2.4rem;
	padding: 0 0.6rem;
	font-family: "Inter", "Noto Sans JP", sans-serif;
	font-size: 0.78rem;
	font-weight: 500;
	letter-spacing: 0.1em;
	color: rgba(19, 28, 45, 0.78);
	border: var(--line-thin) solid rgba(19, 28, 45, 0.18);
	background: transparent;
	transition: background var(--ease), color var(--ease), border-color var(--ease);
}

.news-pagination .page-numbers:hover {
	background: rgba(19, 28, 45, 0.05);
	border-color: rgba(19, 28, 45, 0.45);
	color: var(--color-text);
}

.news-pagination .page-numbers.current {
	background: var(--color-text);
	color: #fff;
	border-color: var(--color-text);
}

.news-pagination .page-numbers.dots {
	border-color: transparent;
	background: transparent;
}

.news-pagination .page-numbers.prev,
.news-pagination .page-numbers.next {
	letter-spacing: 0.18em;
	padding: 0 1rem;
}

/* Empty state */
.news-archive__empty {
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
	gap: 0.9rem;
	padding: clamp(3rem, 8vw, 5.5rem) 1rem;
	text-align: center;
	border: var(--line-thin) dashed rgba(19, 28, 45, 0.22);
	background: var(--color-surface);
}

.news-archive__empty-eyebrow {
	margin: 0;
	font-family: var(--font-display);
	font-size: 0.78rem;
	letter-spacing: 0.32em;
	color: rgba(19, 28, 45, 0.45);
	text-transform: uppercase;
}

.news-archive__empty-text {
	margin: 0;
	max-width: 36rem;
	font-size: 0.88rem;
	line-height: 1.7;
	color: rgba(19, 28, 45, 0.7);
}

/* Single news article */
.news-single__article {
	max-width: 760px;
	margin-inline: auto;
	padding-block: clamp(1rem, 2vw, 1.6rem);
}

.news-single__breadcrumb {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.4rem;
	margin: 0 0 1.4rem;
	font-size: 0.74rem;
	letter-spacing: 0.1em;
	text-transform: uppercase;
	color: rgba(19, 28, 45, 0.55);
}

.news-single__breadcrumb a {
	color: rgba(19, 28, 45, 0.78);
	transition: color var(--ease);
}

.news-single__breadcrumb a:hover {
	color: var(--color-text);
}

.news-single__breadcrumb span:not(:last-child) {
	color: rgba(19, 28, 45, 0.32);
}

.news-single__meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 0.9rem;
	margin-bottom: 1rem;
	font-family: var(--font-display);
	font-size: 0.9rem;
	letter-spacing: 0.06em;
	color: rgba(19, 28, 45, 0.7);
}

.news-single__title {
	margin: 0 0 1.6rem;
	font-family: var(--font-heading);
	font-size: clamp(1.7rem, 3.6vw, 2.7rem);
	font-weight: 600;
	line-height: 1.25;
	letter-spacing: 0.005em;
	color: var(--color-text);
}

.news-single__content {
	font-size: 0.95rem;
	line-height: 1.95;
	color: rgba(19, 28, 45, 0.86);
}

.news-single__content p {
	margin: 0 0 1.2rem;
}

.news-single__content a {
	border-bottom: 1px solid rgba(19, 28, 45, 0.3);
	transition: color var(--ease), border-color var(--ease);
}

.news-single__content a:hover {
	color: var(--color-accent);
	border-color: var(--color-accent);
}

.news-single__footer {
	margin-top: clamp(2rem, 4vw, 3rem);
	padding-top: clamp(1.4rem, 3vw, 2rem);
	border-top: var(--line-thin) solid var(--color-line);
}

@media (max-width: 779px) {
	.news-archive__item {
		grid-template-columns: auto auto;
		grid-template-areas:
			"date     category"
			"title    title";
		row-gap: 0.5rem;
		column-gap: 0.7rem;
		align-items: center;
		padding-block: 0.95rem;
	}

	.news-archive__date {
		grid-area: date;
		font-size: 0.85rem;
	}

	.news-archive__category {
		grid-area: category;
		justify-self: start;
		font-size: 0.58rem;
		padding: 0.22rem 0.55rem;
	}

	.news-archive__title {
		grid-area: title;
		font-size: 0.95rem;
		line-height: 1.55;
	}

	.news-pagination .page-numbers {
		min-width: 2rem;
		height: 2rem;
		font-size: 0.7rem;
	}
}

/* --- Theory map: reduce label collisions on small phones --- */
@media (max-width: 479px) {
	.theory-map {
		height: 230px;
	}

	.theory-center {
		width: 100px;
		height: 100px;
	}

	.theory-center span {
		font-size: 14px;
	}

	.theory-node p {
		font-size: 12.5px;
	}

	.theory-node small {
		font-size: 9.5px;
	}

	.node-dot {
		width: 17px;
		height: 17px;
	}
}