.page-about {
  --about-ease: cubic-bezier(0.2, 0.8, 0.2, 1);
  --about-panel-pad: 56px 0;
  background: var(--c-bg);
  overflow-x: hidden;
}

.page-about .about-breadcrumb {
  padding: 18px 0 8px;
}

.page-about .about-breadcrumb .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0 24px;
  font-family: var(--font-body);
  font-size: 0.875rem;
  color: var(--c-accent);
}

.page-about .about-breadcrumb .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--c-accent);
}

.page-about .about-breadcrumb .breadcrumb-link {
  color: var(--c-link);
  text-decoration: none;
}

.page-about .about-breadcrumb .breadcrumb-link[aria-current="page"] {
  color: var(--c-accent);
  cursor: default;
}

.page-about .about-hero {
  position: relative;
  margin: 0 12px 48px;
  padding: 56px 0 68px;
  background: var(--gradient-primary);
  color: var(--c-text-on-dark);
  clip-path: polygon(0 0, 100% 0, 100% 94%, 0 100%);
  overflow: hidden;
}

.page-about .about-hero-glow {
  position: absolute;
  top: -90px;
  right: -70px;
  width: 280px;
  height: 280px;
  background: var(--gradient-accent);
  opacity: 0.16;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-about .about-hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 32px;
}

.page-about .about-hero-copy {
  flex: 1 1 58%;
}

.page-about .about-hero-overline {
  margin: 0 0 12px;
  font-family: var(--font-latin);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-secondary);
}

.page-about .about-hero-copy .headline {
  margin: 0 0 18px;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.18;
  color: var(--c-text-on-dark);
  letter-spacing: -0.02em;
}

.page-about .about-hero-lead {
  margin: 0 0 28px;
  max-width: 44em;
  font-size: 1.0625rem;
  line-height: 1.75;
  color: rgba(234, 240, 246, 0.86);
}

.page-about .about-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 22px;
}

.page-about .about-hero-actions .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.55);
  background: transparent;
  color: var(--c-text-on-dark);
}

.page-about .about-hero-actions .btn-outline:hover,
.page-about .about-hero-actions .btn-outline:focus {
  border-color: var(--c-text-on-dark);
  background: rgba(255, 255, 255, 0.08);
}

.page-about .about-hero-note {
  margin: 0;
  font-size: 0.875rem;
  color: rgba(234, 240, 246, 0.62);
}

.page-about .about-hero-note .latin {
  margin-right: 4px;
  font-family: var(--font-latin);
  font-weight: 700;
  color: var(--c-secondary-2);
}

.page-about .about-hero-link {
  color: var(--c-secondary-2);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-hero-visual {
  flex: 1 1 38%;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-about .about-hero-visual-frame {
  position: relative;
  padding: 8px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transform: rotate(1.5deg);
  transition: transform 300ms var(--about-ease);
}

.page-about .about-hero-visual-frame:hover,
.page-about .about-hero-visual-frame:focus-within {
  transform: rotate(0deg);
}

.page-about .about-hero-img {
  display: block;
  width: 100%;
  max-width: 400px;
  height: auto;
  object-fit: cover;
}

.page-about .about-panel {
  position: relative;
  padding: var(--about-panel-pad);
  background: var(--c-bg);
}

.page-about .about-panel + .about-panel {
  border-top: 1px solid var(--c-border);
}

.page-about .about-panel-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-about .about-panel-meta {
  display: flex;
  align-items: baseline;
  gap: 6px;
  font-family: var(--font-latin);
}

.page-about .about-panel-index {
  font-size: 2.75rem;
  font-weight: 700;
  line-height: 1;
  color: var(--c-secondary);
}

.page-about .about-panel-total {
  font-size: 0.875rem;
  color: var(--c-accent);
}

.page-about .about-panel-content {
  min-width: 0;
}

.page-about .about-section-head {
  margin-bottom: 24px;
}

.page-about .about-panel-tag {
  margin: 0 0 8px;
  font-family: var(--font-latin);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-secondary);
}

.page-about .about-panel-content .page-title {
  margin: 0;
  font-family: var(--font-headline);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  line-height: 1.25;
  color: var(--c-text);
}

.page-about .about-panel-content .body-text {
  color: var(--c-text);
  line-height: 1.8;
}

.page-about .about-quote {
  position: relative;
  margin: 28px 0 0;
  padding: 16px 18px;
  border-left: 4px solid var(--c-secondary);
  background: rgba(255, 92, 53, 0.06);
}

.page-about .about-quote p {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--c-primary);
  line-height: 1.6;
}

.page-about .about-position-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-position-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-position-item {
  position: relative;
  padding: 20px 20px 20px 52px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--c-border);
}

.page-about .about-position-num {
  position: absolute;
  top: 20px;
  left: 18px;
  font-family: var(--font-latin);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--c-secondary);
}

.page-about .about-position-title {
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--c-primary);
}

.page-about .about-position-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-about .about-archive-intro {
  margin: 0 0 28px;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--c-text);
}

.page-about .about-archive-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 28px;
}

.page-about .about-archive-map-wrap {
  min-width: 0;
  background: var(--c-primary);
  padding: 12px;
}

.page-about .archive-map {
  display: block;
  width: 100%;
  height: auto;
  min-height: 320px;
}

.page-about .map-link {
  fill: none;
  stroke: var(--c-accent);
  stroke-width: 1.5;
}

.page-about .map-link--dashed {
  stroke-dasharray: 5 5;
  stroke-width: 1;
  opacity: 0.55;
}

.page-about .map-hub-rect {
  fill: var(--c-primary-2);
  stroke: var(--c-secondary);
  stroke-width: 3;
}

.page-about .map-hub-text {
  fill: var(--c-text-on-dark);
  font-family: var(--font-headline);
  font-size: 18px;
  font-weight: 900;
}

.page-about .map-hub-sub {
  fill: rgba(255, 255, 255, 0.72);
  font-family: var(--font-body);
  font-size: 12px;
}

.page-about .map-node-rect {
  fill: var(--c-bg);
  stroke: var(--c-primary);
  stroke-width: 2;
  transition: fill 200ms var(--about-ease), stroke 200ms var(--about-ease);
}

.page-about .map-node-text {
  fill: var(--c-text);
  font-family: var(--font-headline);
  font-size: 14px;
  font-weight: 800;
}

.page-about .map-node-sub {
  fill: var(--c-accent);
  font-family: var(--font-body);
  font-size: 11px;
}

.page-about .map-node:target .map-node-rect,
.page-about .map-node:hover .map-node-rect,
.page-about .map-node:focus-within .map-node-rect {
  stroke: var(--c-secondary);
  stroke-width: 3;
  fill: rgba(255, 92, 53, 0.08);
}

.page-about .about-archive-aside {
  min-width: 0;
}

.page-about .about-archive-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 800px;
  object-fit: cover;
}

.page-about .about-archive-aside-note {
  margin: 10px 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-accent);
}

.page-about .about-archive-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-about .about-archive-item {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--c-border);
  border-left: 4px solid var(--c-primary);
  transition: border-left-color 200ms var(--about-ease), transform 200ms var(--about-ease);
}

.page-about .about-archive-item:hover,
.page-about .about-archive-item:focus-within {
  border-left-color: var(--c-secondary);
  transform: translateX(4px);
}

.page-about .about-archive-title {
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  font-weight: 800;
}

.page-about .about-archive-title a {
  color: var(--c-text);
  text-decoration: none;
}

.page-about .about-archive-title a:hover,
.page-about .about-archive-title a:focus {
  color: var(--c-link);
}

.page-about .about-archive-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-about .about-service-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-service-copy {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-about .about-service-item {
  padding: 18px 20px;
  background: rgba(255, 255, 255, 0.5);
  border: 1px solid var(--c-border);
}

.page-about .about-service-title {
  margin: 0 0 6px;
  font-family: var(--font-headline);
  font-size: 1.0625rem;
  font-weight: 800;
  color: var(--c-primary);
}

.page-about .about-service-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-about .about-service-visual {
  min-width: 0;
}

.page-about .about-service-img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 600px;
  object-fit: cover;
}

.page-about .about-service-note {
  margin: 10px 0 0;
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--c-accent);
}

.page-about .about-timeline-wrap {
  position: relative;
}

.page-about .about-timeline {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 8px;
  width: 2px;
  background: var(--c-primary);
  opacity: 0.35;
}

.page-about .about-timeline-item {
  position: relative;
  margin-bottom: 20px;
  padding: 18px 18px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--c-border);
  transition: border-color 200ms var(--about-ease), background 200ms var(--about-ease);
}

.page-about .about-timeline-item:hover,
.page-about .about-timeline-item:focus-within {
  border-color: var(--c-secondary);
  background: rgba(255, 255, 255, 0.8);
}

.page-about .about-timeline-marker {
  position: absolute;
  top: 24px;
  left: -24px;
  width: 13px;
  height: 13px;
  background: var(--c-secondary);
  border: 3px solid var(--c-bg);
  box-shadow: 0 0 0 1px var(--c-secondary);
}

.page-about .about-timeline-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 8px;
}

.page-about .about-timeline-phase {
  font-family: var(--font-latin);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--c-secondary);
}

.page-about .about-timeline-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 800;
  color: var(--c-primary);
}

.page-about .about-timeline-detail {
  max-height: 200px;
  opacity: 1;
  transition: max-height 300ms var(--about-ease), opacity 250ms var(--about-ease);
}

.page-about .about-timeline-detail p {
  margin: 8px 0 0;
  font-size: 0.925rem;
  line-height: 1.7;
  color: var(--c-text);
}

.page-about .about-contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
}

.page-about .about-contact-main {
  padding: 20px;
  background: rgba(255, 255, 255, 0.55);
  border: 1px solid var(--c-border);
}

.page-about .about-contact-main .body-text {
  margin-top: 0;
}

.page-about .about-contact-list {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  border-top: 1px solid var(--c-border);
}

.page-about .about-contact-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 12px 0;
  border-bottom: 1px solid var(--c-border);
}

.page-about .about-contact-label {
  font-family: var(--font-latin);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--c-secondary);
}

.page-about .about-contact-value {
  font-size: 1rem;
  color: var(--c-text);
  word-break: break-word;
}

.page-about .about-contact-note {
  margin: 16px 0 0;
  font-size: 0.875rem;
  color: var(--c-accent);
}

.page-about .about-contact-cta {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 10px;
  padding: 28px 24px;
  background: var(--gradient-primary);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--c-text-on-dark);
}

.page-about .about-contact-cta-title {
  margin: 0;
  font-family: var(--font-headline);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--c-text-on-dark);
}

.page-about .about-contact-cta-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.78);
}

.page-about .about-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 8px;
}

.page-about .about-contact-actions .btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.6);
  background: transparent;
  color: var(--c-text-on-dark);
}

.page-about .about-contact-actions .btn-outline:hover,
.page-about .about-contact-actions .btn-outline:focus {
  border-color: var(--c-text-on-dark);
  background: rgba(255, 255, 255, 0.08);
}

.page-about .about-panel[data-appear] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity 400ms var(--about-ease), transform 400ms var(--about-ease);
}

.page-about .about-panel[data-appear].is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (min-width: 640px) {
  .page-about .about-archive-grid {
    grid-template-columns: 3fr 2fr;
    align-items: start;
  }

  .page-about .about-service-grid {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }

  .page-about .about-contact-grid {
    grid-template-columns: 1fr 1fr;
    align-items: stretch;
  }

  .page-about .about-position-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-about .about-archive-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 768px) {
  .page-about .about-hero {
    margin: 0 24px 56px;
    padding: 72px 0 88px;
  }

  .page-about .about-hero-inner {
    flex-direction: row;
    align-items: center;
  }

  .page-about .about-panel {
    padding: 72px 0;
  }

  .page-about .about-panel-inner {
    grid-template-columns: 90px 1fr;
    gap: 28px;
  }

  .page-about .about-timeline {
    padding-left: 40px;
  }

  .page-about .about-timeline-marker {
    left: -38px;
  }

  .page-about .about-timeline-detail {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
  }

  .page-about .about-timeline-item:hover .about-timeline-detail,
  .page-about .about-timeline-item:focus-within .about-timeline-detail {
    max-height: 200px;
    opacity: 1;
  }
}

@media (min-width: 1024px) {
  .page-about .about-position-grid {
    grid-template-columns: 3fr 2fr;
    gap: 48px;
  }

  .page-about .about-service-copy {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-about .about-service-visual {
    grid-column: 1 / -1;
    display: flex;
    flex-direction: column;
    align-items: center;
  }
}