:root {
  --about-ink: #1c2023;
  --about-muted: #626a70;
  --about-line: rgba(24, 31, 35, 0.16);
}

.about-page-body {
  background: var(--color-background-light);
  color: var(--about-ink);
}

.site-nav__link.is-current,
.footer-nav__link.is-current {
  color: var(--color-brand);
}

.about-section {
  position: relative;
  padding-block: clamp(5.5rem, 7.5vw, 7.5rem);
  overflow: clip;
}

.about-section--perspective,
.about-section--related {
  background: var(--color-background-light);
}

.about-section--approach,
.about-section--fee {
  background: var(--color-background);
}

.about-section--approach { isolation: isolate; }
.about-section--approach::before { position: absolute; z-index: 0; inset: 12% -12% -8% 35%; background: url("../images/visual/approach-ghost-01.webp") 68% 70% / cover no-repeat; content: ""; filter: saturate(0.2); opacity: 0.06; pointer-events: none; -webkit-mask-image: radial-gradient(ellipse at 72% 70%, #000 0%, #000 28%, rgba(0, 0, 0, 0.72) 47%, rgba(0, 0, 0, 0.22) 67%, transparent 88%); mask-image: radial-gradient(ellipse at 72% 70%, #000 0%, #000 28%, rgba(0, 0, 0, 0.72) 47%, rgba(0, 0, 0, 0.22) 67%, transparent 88%); }
.about-section--approach > .page-frame { position: relative; z-index: 1; }

.about-section--ai { background: var(--color-background-light); scroll-margin-top: 8rem; }

.about-section--information { background: var(--color-background-light); }

.about-editorial {
  display: grid;
  grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1.66fr);
  gap: 2rem clamp(3rem, 7vw, 7.5rem);
  align-items: start;
}

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

.about-section-label {
  display: inline-flex;
  width: max-content;
  max-width: 100%;
  flex-direction: column;
  align-items: flex-start;
  justify-self: start;
  margin: 0;
  padding-top: 0.45rem;
  color: var(--about-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  line-height: 1.5;
}

.about-section-label::after {
  display: block;
  width: 115%;
  height: 1px;
  margin-top: 0.48rem;
  background: var(--color-brand);
  content: "";
}

.js .about-section-label::after {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 650ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js .about-section-label.is-visible::after {
  transform: scaleX(1);
}

.about-section-label--light {
  color: rgba(255, 255, 255, 0.58);
}

.about-editorial .display-heading,
.about-visualization .display-heading,
.about-related-heading .display-heading {
  max-width: 34ch;
}

.about-copy {
  max-width: 54rem;
  margin-top: clamp(2.25rem, 4vw, 3.25rem);
  color: var(--about-muted);
  font-size: var(--type-body);
  line-height: 1.95;
}

.about-copy p {
  word-break: auto-phrase;
  text-wrap: pretty;
}

.about-copy p + p {
  margin-top: 1.35rem;
}

.about-copy__note {
  max-width: 48rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--about-line);
  font-size: 0.94em;
}

.about-section--visualization {
  overflow: clip;
  padding-top: clamp(5rem, 6.5vw, 6.5rem);
  color: var(--color-white);
  background:
    radial-gradient(ellipse at 78% 12%, rgba(89, 132, 149, 0.12), transparent 38%),
    linear-gradient(145deg, #172127 0%, #11191e 64%, #0d1418 100%);
}

.about-visualization {
  display: grid;
  grid-template-columns: minmax(0, 0.96fr) minmax(20rem, 1.04fr);
  gap: clamp(3.25rem, 4vw, 5rem);
  align-items: center;
}

.about-copy--light {
  max-width: 48rem;
  color: rgba(255, 255, 255, 0.68);
}

.about-visualization__media {
  width: calc(100% + clamp(2.5rem, 5vw, 5.5rem));
  min-height: 0;
  margin-top: clamp(1.25rem, 2.25vw, 2.5rem);
  margin-right: clamp(-5.5rem, -5vw, -2.5rem);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: #27343a;
}

.about-visualization__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 62% 52%;
  filter: saturate(0.82) brightness(0.88);
}

.about-section--information {
  padding-block: clamp(3rem, 4vw, 4rem);
  scroll-margin-top: 8rem;
}

.about-information-panel {
  display: grid;
  grid-template-columns: minmax(10rem, 0.3fr) minmax(0, 1.7fr);
  gap: 2rem clamp(3rem, 6vw, 6.5rem);
  align-items: start;
}

.about-information {
  margin: 0;
  padding-block: clamp(1.35rem, 2vw, 1.8rem);
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.about-ai__intro { max-width: 55rem; }

.ai-study { max-width: 55rem; margin-top: clamp(3.5rem, 5vw, 5rem); padding-block: 1.5rem 0.2rem; border-top: 1px solid var(--about-line); }
.ai-study__eyebrow, .about-ai-faq__label { color: var(--color-brand); font-size: 0.68rem; font-weight: 700; letter-spacing: 0.15em; line-height: 1.5; }
.ai-study__title { margin-top: 0.8rem; color: var(--about-ink); font-size: clamp(1.45rem, 2vw, 1.9rem); font-weight: 500; letter-spacing: 0.035em; line-height: 1.45; }
.ai-study__subtitle, .about-ai-faq__heading { margin-top: 0.8rem; color: var(--about-ink); font-size: clamp(1.2rem, 1.55vw, 1.55rem); font-weight: 500; letter-spacing: -0.03em; line-height: 1.55; }
.ai-study__meta { margin-top: 0.85rem; color: var(--about-muted); font-size: 0.76rem; font-weight: 600; letter-spacing: 0.045em; line-height: 1.7; }
.ai-study__copy { margin-top: 1.5rem; color: var(--about-muted); font-size: var(--type-body); line-height: 1.95; }
.ai-study__copy p + p { margin-top: 1rem; }

.ai-study-viewer { margin-top: clamp(2.5rem, 4vw, 3.75rem); }
.ai-study-viewer__tabs { display: flex; max-width: 100%; overflow-x: auto; overflow-y: hidden; border-bottom: 1px solid var(--about-line); scrollbar-width: thin; scrollbar-color: rgba(128, 204, 227, 0.55) transparent; }
.ai-study-viewer__tab { position: relative; flex: 1 0 auto; min-height: 3.25rem; padding: 0.65rem clamp(0.7rem, 1.5vw, 1.2rem); color: rgba(28, 32, 35, 0.56); border: 0; background: transparent; font-size: clamp(0.65rem, 0.72vw, 0.73rem); font-weight: 700; letter-spacing: 0.08em; cursor: pointer; transition: color 220ms ease, background-color 220ms ease; }
.ai-study-viewer__tab::after { position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--color-brand); content: ""; opacity: 0; transform: scaleX(0.45); transition: opacity 220ms ease, transform 220ms ease; }
.ai-study-viewer__tab:hover { color: var(--about-ink); background: rgba(128, 204, 227, 0.06); }
.ai-study-viewer__tab:focus-visible { z-index: 2; color: var(--about-ink); outline: 2px solid var(--color-brand); outline-offset: -2px; }
.ai-study-viewer__tab.is-active { color: var(--about-ink); }
.ai-study-viewer__tab.is-active::after { opacity: 1; transform: scaleX(1); }
.ai-study-viewer__stage { position: relative; isolation: isolate; aspect-ratio: 16 / 10; overflow: hidden; background: #162128; }
.ai-study-viewer__panel { position: absolute; z-index: 0; inset: 0; opacity: 0; visibility: hidden; pointer-events: none; transition: opacity 320ms ease, visibility 0s linear 320ms; }
.ai-study-viewer__panel.is-active { z-index: 1; opacity: 1; visibility: visible; pointer-events: auto; transition-delay: 0s; }
.ai-study-viewer__panel img,
.ai-study-viewer__panel video { display: block; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.ai-study-viewer__watermark { position: absolute; z-index: 3; right: 2.5%; bottom: 2.5%; width: 16%; aspect-ratio: 566.92 / 71.29; background: url("../assets/brand/logo-negative.svg") center / contain no-repeat; opacity: 0.28; pointer-events: none; }
.ai-study-viewer__motion-control { position: absolute; z-index: 4; right: 1rem; bottom: 1rem; display: none; min-width: 5.5rem; min-height: 2.75rem; padding: 0.55rem 0.9rem; color: #fff; border: 1px solid rgba(255, 255, 255, 0.48); background: rgba(12, 19, 24, 0.72); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.08em; cursor: pointer; }
.ai-study-viewer.is-reduced-motion.is-motion-active .ai-study-viewer__motion-control { display: inline-flex; align-items: center; justify-content: center; }
.ai-study-viewer__motion-control:focus-visible { outline: 2px solid var(--color-brand); outline-offset: 2px; }
.ai-study-viewer__caption { display: grid; grid-template-columns: minmax(10rem, 0.45fr) minmax(0, 1.55fr); gap: 1rem 2rem; padding-block: 1.15rem; border-bottom: 1px solid var(--about-line); }
.ai-study-viewer__caption-title { color: var(--about-ink); font-size: 0.72rem; font-weight: 700; letter-spacing: 0.1em; line-height: 1.7; }
.ai-study-viewer__caption-body { color: var(--about-muted); font-size: 0.9rem; line-height: 1.7; }
.ai-study-viewer__note { margin-top: 0.9rem; color: rgba(98, 106, 112, 0.78); font-size: 0.76rem; line-height: 1.75; }

.about-ai-faq { max-width: 55rem; margin-top: clamp(4rem, 6vw, 6rem); }
.about-ai-faq__list { margin-top: 1.5rem; border-top: 1px solid var(--about-line); }
.about-ai-faq details { border-bottom: 1px solid var(--about-line); }
.about-ai-faq summary { display: grid; grid-template-columns: minmax(0, 1fr) 2.75rem; align-items: center; gap: 1rem; min-height: 4.5rem; padding-block: 0.85rem; color: var(--about-ink); font-size: clamp(0.96rem, 1vw, 1.04rem); font-weight: 600; line-height: 1.65; cursor: pointer; list-style: none; }
.about-ai-faq summary::-webkit-details-marker { display: none; }
.about-ai-faq__icon { position: relative; display: grid; width: 2.75rem; height: 2.75rem; place-items: center; }
.about-ai-faq__icon::before, .about-ai-faq__icon::after { position: absolute; width: 0.9rem; height: 1px; background: var(--color-brand); content: ""; transition: transform var(--transition); }
.about-ai-faq__icon::after { transform: rotate(90deg); }
.about-ai-faq details[open] .about-ai-faq__icon::after { transform: rotate(0deg); }
.about-ai-faq__answer { max-width: 49rem; padding: 0 3.75rem 1.5rem 0; color: var(--about-muted); font-size: 0.94rem; line-height: 1.9; }
.about-ai-faq__answer p + p { margin-top: 0.7rem; }
.about-ai-faq summary:hover, .about-ai-faq summary:focus-visible { color: #315f6c; }

.about-information__columns {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(3rem, 6vw, 6rem);
}

.about-information__column {
  display: flex;
  min-width: 0;
  margin: 0;
  flex-direction: column;
  gap: clamp(1.3rem, 1.8vw, 1.65rem);
}

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

.about-information__item dt {
  color: var(--about-muted);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  line-height: 1.65;
}

.about-information__item dd {
  margin: 0.34rem 0 0;
  color: var(--about-ink);
  font-size: clamp(0.96rem, 1vw, 1.04rem);
  font-weight: 400;
  line-height: 1.65;
  text-wrap: pretty;
}

.about-information__secondary {
  display: block;
  margin-top: 0.08rem;
  color: var(--about-muted);
  font-size: 0.86rem;
}

.about-information__full {
  display: grid;
  gap: 1rem;
  margin-top: clamp(1.4rem, 2vw, 1.8rem);
  padding-top: clamp(1.4rem, 2vw, 1.8rem);
  border-top: 1px solid var(--about-line);
}

.about-information__full dl { margin: 0; }

.about-section--fee {
  padding-block: clamp(4.5rem, 6vw, 6rem);
}

.about-fee__pricing {
  margin-top: clamp(2rem, 3vw, 2.75rem);
  color: var(--about-ink);
}

.about-fee__pricing-label {
  color: var(--about-muted);
  font-size: var(--type-body);
  font-weight: 600;
  letter-spacing: 0.025em;
}

.about-fee__list {
  margin: 1rem 0 0;
  border-top: 1px solid var(--about-line);
  border-bottom: 1px solid var(--about-line);
}

.about-fee__item {
  position: relative;
  display: grid;
  grid-template-columns: minmax(11rem, 0.42fr) minmax(0, 1fr);
  align-items: center;
  gap: 1rem clamp(2rem, 4vw, 4rem);
  min-height: 4.5rem;
  padding-block: 0.9rem;
}

.about-fee__item + .about-fee__item::before {
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 1px;
  background: rgba(24, 31, 35, 0.1);
  content: "";
}

.about-fee__item dt,
.about-fee__item dd {
  color: var(--about-ink);
  font-size: var(--type-body);
  line-height: 1.7;
}

.about-fee__item dt { font-weight: 500; }
.about-fee__item dd { margin: 0; font-weight: 600; }

.about-fee__note {
  display: block;
  margin-top: 0.85rem;
  color: var(--about-muted);
  font-size: 0.86rem;
  font-weight: 400;
  line-height: 1.7;
}

.about-fee__copy { max-width: 52rem; margin-top: 1.8rem; }

.about-fee__link {
  display: inline-flex;
  align-items: center;
  gap: 1.25rem;
  min-height: 2.75rem;
  margin-top: 1.75rem;
  padding-bottom: 0.35rem;
  border-bottom: 1px solid rgba(24, 31, 35, 0.42);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.055em;
  transition: gap var(--transition), border-color var(--transition);
}

.about-fee__link:hover,
.about-fee__link:focus-visible { gap: 1.65rem; border-color: var(--color-brand); }

.about-maps-link {
  display: inline-flex;
  align-items: center;
  justify-content: space-between;
  width: max-content;
  max-width: 100%;
  min-height: 2.75rem;
  margin-top: -0.15rem;
  padding: 0.55rem 0.85rem;
  color: var(--about-ink);
  border: 1px solid var(--about-line);
  background: rgba(255, 255, 255, 0.32);
  font-size: 0.74rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  transition: color var(--transition), border-color var(--transition), background-color var(--transition);
}

.about-maps-link:hover,
.about-maps-link:focus-visible {
  color: var(--about-ink);
  border-color: var(--color-brand);
  background: rgba(128, 204, 227, 0.12);
}

.about-maps-link:hover .cta-arrow,
.about-maps-link:focus-visible .cta-arrow { transform: translate(0.18rem, -0.08rem); }

.about-information__item a {
  display: inline-flex;
  align-items: center;
  min-height: 32px;
  border-bottom: 1px solid rgba(24, 31, 35, 0.34);
  font-size: inherit;
  font-weight: 600;
}

.about-related-heading {
  display: grid;
  grid-template-columns: minmax(9rem, 0.34fr) minmax(0, 1.66fr);
  gap: 2rem clamp(3rem, 7vw, 7.5rem);
  align-items: start;
}

.about-page-related__links {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: clamp(3rem, 5vw, 4.5rem) 0 0 auto;
}

.about-page-related__links .related-link {
  position: relative;
  min-height: 8.75rem;
  overflow: hidden;
  background: transparent;
  box-shadow: 0 0 0 rgba(8, 24, 32, 0);
  transition:
    color var(--transition),
    border-color var(--transition),
    background-color var(--transition),
    box-shadow var(--transition),
    transform var(--transition);
}

.about-page-related__links .related-link::after {
  position: absolute;
  right: 1.5rem;
  bottom: 0.95rem;
  left: 1.5rem;
  height: 1px;
  background: var(--color-brand);
  content: "";
  transform: scaleX(0.18);
  transform-origin: left;
  transition: transform var(--transition);
}

.about-page-related__links .related-link:hover {
  box-shadow: 0 0.9rem 2rem rgba(8, 24, 32, 0.08);
  transform: translateY(-0.18rem);
}

.about-page-related__links .related-link:hover::after {
  transform: scaleX(1);
}

.about-contact__content {
  max-width: var(--content-max);
}

.about-contact .display-heading {
  max-width: 30ch;
  margin-top: 1.4rem;
}

.about-contact .contact__body {
  margin-top: clamp(2.25rem, 4vw, 3.5rem);
}

.about-contact .section-cta {
  justify-content: flex-start;
  margin-top: clamp(2.75rem, 4vw, 3.5rem);
}

@media (max-width: 1100px) {
  .about-editorial,
  .about-related-heading {
    grid-template-columns: minmax(8rem, 0.3fr) minmax(0, 1.7fr);
    gap: 2rem 3.5rem;
  }

  .about-visualization {
    grid-template-columns: minmax(0, 0.96fr) minmax(18rem, 0.84fr);
    gap: clamp(3rem, 4vw, 4rem);
  }

  .about-visualization__media {
    width: calc(100% + clamp(1.5rem, 4vw, 3rem));
    margin-top: 1.25rem;
    margin-right: clamp(-3rem, -4vw, -1.5rem);
  }

  .about-information-panel {
    grid-template-columns: minmax(9rem, 0.28fr) minmax(0, 1.72fr);
    gap: 2.5rem 3.5rem;
  }

  .about-page-related__links {
    gap: 0.8rem;
  }
}

@media (max-width: 960px) {
  .about-section {
    padding-block: clamp(4.75rem, 10vw, 6.25rem);
  }

  .about-editorial,
  .about-related-heading,
  .about-visualization,
  .about-information-panel {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-visualization__media {
    width: 100%;
    min-height: 0;
    margin: 1.5rem 0 0;
    aspect-ratio: 16 / 10;
  }

  .about-page-related__links {
    grid-template-columns: 1fr;
    margin-top: 3rem;
  }

  .about-maps-link { grid-column: 1; margin-top: 0; }
}

@media (max-width: 768px) {
  .about-information__columns {
    grid-template-columns: 1fr;
    gap: 1.2rem;
  }

  .about-information__column { display: contents; }
  .about-information__item--trade-name { order: 1; }
  .about-information__item--representative { order: 2; }
  .about-information__item--founded { order: 3; }
  .about-information__item--address { order: 4; }
  .about-information__item--tel { order: 5; }
  .about-information__item--invoice { order: 6; }
}

@media (max-width: 600px) {
  .about-section {
    padding-block: 4.5rem;
  }

  .about-copy {
    margin-top: 2rem;
    line-height: 1.9;
  }

  .about-section--information {
    padding-block: 3rem;
  }

  .about-section--approach::before { inset: auto -18% -8% 12%; height: 48%; background-position: 68% 70%; }

  .about-information-panel {
    gap: 1.75rem;
  }

  .about-information { padding-block: 1.2rem; }
  .about-information__columns { gap: 1rem; }

  .about-fee__item {
    grid-template-columns: 1fr;
    gap: 0.2rem;
    padding-block: 0.95rem;
  }

  .about-contact .display-heading {
    max-width: 13ch;
  }

  .about-ai-faq summary { grid-template-columns: minmax(0, 1fr) 2.5rem; min-height: 4.25rem; }
  .about-ai-faq__answer { padding-right: 0; }

  .ai-study-viewer { width: calc(100vw - (var(--gutter) * 2)); max-width: 100%; }
  .ai-study-viewer__tabs { margin-inline: 0; padding-bottom: 0.15rem; }
  .ai-study-viewer__tab { min-height: 2.75rem; padding-inline: 0.8rem; }
  .ai-study-viewer__stage { aspect-ratio: 4 / 3; }
  .ai-study-viewer__caption { grid-template-columns: 1fr; gap: 0.15rem; padding-block: 0.9rem; }
  .ai-study-viewer__watermark { width: 22%; }
}

@media (hover: none) {
  .about-page-related__links .related-link:hover {
    box-shadow: none;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-visualization__media img {
    transform: none;
  }

  .about-ai-faq__icon::before,
  .about-ai-faq__icon::after { transition: none; }

  .ai-study-viewer__panel,
  .ai-study-viewer__tab,
  .ai-study-viewer__tab::after { transition: none; }
}