.page-about {
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

.page-about .about-hero {
  margin-top: 26px;
  margin-bottom: 34px;
}

.page-about .about-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-about .about-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 32px;
  line-height: 1.16;
  letter-spacing: 0.005em;
  color: var(--deep-900);
  max-width: 15em;
  text-wrap: balance;
}

.page-about .about-hero__lead {
  margin: 18px 0 0;
  max-width: 36em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-about .about-hero__facts {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .about-hero__facts > li {
  border-left: 2px solid var(--jade);
  padding-left: 14px;
}

.page-about .about-hero__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 23px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--deep-900);
}

.page-about .about-hero__lbl {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--muted);
}

.page-about .about-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
  margin-top: 6px;
  margin-bottom: 72px;
}

.page-about .about-body__main {
  min-width: 0;
}

.page-about .about-rail {
  background: var(--stone);
  border-radius: var(--radius-md);
  padding: 20px 18px 22px;
  min-width: 0;
}

.page-about .about-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--lake);
}

.page-about .about-rail__toc {
  display: grid;
  gap: 2px;
}

.page-about .about-rail__toc a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 10px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.45;
  color: var(--deep-700);
  text-decoration: none;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-about .about-rail__toc a span {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--jade);
}

.page-about .about-rail__toc a:hover {
  background: rgba(22, 166, 160, 0.14);
  color: var(--deep-900);
}

.page-about .about-rail__toc a[aria-current="true"] {
  background: var(--deep-700);
  color: var(--paper);
}

.page-about .about-rail__toc a[aria-current="true"] span {
  color: var(--jade-soft);
}

.page-about .about-rail__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-about .about-rail__note-k {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--lake);
}

.page-about .about-rail__note p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--muted);
}

.page-about .about-sec {
  padding-top: 6px;
}

.page-about .about-sec + .about-sec {
  margin-top: 52px;
  padding-top: 40px;
  border-top: 1px solid var(--line);
}

.page-about .about-sec__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--jade);
}

.page-about .about-sec__title {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 26px;
  line-height: 1.22;
  letter-spacing: 0.005em;
  color: var(--deep-900);
}

.page-about .about-sec__body {
  margin-top: 15px;
  max-width: 34em;
}

.page-about .about-sec__body p {
  margin: 0 0 13px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .about-sec__body p:last-child {
  margin-bottom: 0;
}

.page-about .about-sec a {
  color: var(--deep-700);
  text-decoration: underline;
  text-decoration-color: var(--jade-soft);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-about .about-sec a:hover {
  color: var(--jade);
}

.page-about .figure {
  margin: 22px 0 0;
}

.page-about .figure__frame {
  overflow: hidden;
  border-radius: var(--radius-md) 4px var(--radius-md) 4px;
  background: var(--stone);
}

.page-about .figure__frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-about .figure__caption {
  margin-top: 8px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--muted);
}

.page-about .about-figure {
  margin-top: 20px;
}

.page-about .tl {
  margin-top: 24px;
}

.page-about .tl-track {
  display: flex;
  gap: 14px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 2px 0 16px;
}

.page-about .tl-track::-webkit-scrollbar {
  height: 6px;
}

.page-about .tl-track::-webkit-scrollbar-track {
  background: var(--stone);
  border-radius: 999px;
}

.page-about .tl-track::-webkit-scrollbar-thumb {
  background: var(--line);
  border-radius: 999px;
}

.page-about .tl-node {
  flex: 0 0 min(266px, 76vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  padding: 16px 16px 18px;
  background: var(--stone);
  border-left: 3px solid var(--jade);
  border-radius: 4px var(--radius-md) var(--radius-md) var(--radius-md);
}

.page-about .tl-node__year {
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--jade-soft);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--deep-900);
}

.page-about .tl-node__title {
  margin: 12px 0 6px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--deep-900);
}

.page-about .tl-node__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .tl-toggle {
  margin-top: auto;
  align-self: flex-start;
  padding: 5px 13px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-family: var(--font-body);
  font-size: 12.5px;
  color: var(--deep-700);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}

.page-about .tl-toggle:hover {
  border-color: var(--jade);
  color: var(--jade);
}

.page-about .tl-toggle::after {
  content: "＋";
  margin-left: 6px;
  font-family: var(--font-mono);
}

.page-about .tl-toggle[aria-expanded="true"]::after {
  content: "−";
}

.page-about [data-panel] {
  display: none;
}

.page-about [data-panel][data-open] {
  display: block;
}

.page-about .tl-node__panel {
  margin-top: 12px;
  padding: 12px 12px 4px;
  background: var(--paper);
  border-top: 2px solid var(--orange-soft);
  border-radius: 4px 8px 8px 8px;
}

.page-about .tl-node__panel p {
  margin: 0 0 8px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .steps {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-about .step {
  padding: 14px 14px 16px;
  background: var(--stone);
  border-left: 3px solid var(--jade);
  border-radius: 4px 12px 12px 12px;
}

.page-about .step__idx {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--paper);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--lake);
}

.page-about .step__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--deep-900);
}

.page-about .step p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.68;
  color: var(--muted);
}

.page-about .step--final {
  background: var(--deep-900);
  border-left-color: var(--orange);
}

.page-about .step--final .step__idx {
  background: var(--orange-soft);
  color: var(--deep-900);
}

.page-about .step--final .step__title {
  color: var(--paper);
}

.page-about .step--final p {
  color: var(--jade-soft);
}

.page-about .seal-note {
  margin-top: 16px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: var(--deep-900);
  border-top: 2px solid var(--jade);
  border-radius: var(--radius-md);
}

.page-about .seal-note__k {
  margin: 0;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--orange-soft);
}

.page-about .seal-note__t {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}

.page-about .team {
  margin-top: 22px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-about .team__fig {
  margin: 0;
}

.page-about .team__fig .figure__frame {
  border-radius: var(--radius-md) 4px var(--radius-md) var(--radius-md);
}

.page-about .team__roles {
  border-bottom: 1px solid var(--line);
  min-width: 0;
}

.page-about .role {
  border-top: 1px solid var(--line);
}

.page-about .role__btn {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 2px;
  background: none;
  border: 0;
  font-family: var(--font-body);
  text-align: left;
  cursor: pointer;
  color: var(--ink);
}

.page-about .role__count {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--jade);
}

.page-about .role__name {
  flex: 1 1 auto;
  font-size: 16px;
  font-weight: 600;
  color: var(--deep-900);
}

.page-about .role__mark {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  color: var(--orange);
}

.page-about .role__mark::before {
  content: "＋";
}

.page-about .role__btn[aria-expanded="true"] .role__mark::before {
  content: "−";
}

.page-about .role__mark::before {
  font-size: 14px;
}

.page-about .role__panel {
  padding: 0 2px 14px;
}

.page-about .role__panel p {
  margin: 0;
  max-width: 34em;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .archive {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
}

.page-about .archive__text p {
  margin: 0 0 13px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--ink);
}

.page-about .archive__text p:last-child {
  margin-bottom: 0;
}

.page-about .archive__fig {
  margin: 0;
}

.page-about .archive__fig .figure__frame {
  border-top: 2px solid var(--jade);
  border-radius: 4px var(--radius-md) var(--radius-md) var(--radius-md);
}

.page-about .partners {
  margin-top: 24px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .partner {
  padding: 16px 16px 18px;
  background: var(--stone);
  border-bottom: 2px solid var(--jade);
  border-radius: var(--radius-md) 4px var(--radius-md) var(--radius-md);
}

.page-about .partner__k {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--lake);
}

.page-about .partner__t {
  margin: 8px 0;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.32;
  color: var(--deep-900);
}

.page-about .partner__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .promises {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-about .promise {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 14px 16px;
  background: var(--stone);
  border-radius: var(--radius-md) 4px var(--radius-md) var(--radius-md);
}

.page-about .promise__num {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  margin-top: 2px;
  border: 1px solid var(--orange);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}

.page-about .promise__t {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--deep-900);
}

.page-about .promise p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--muted);
}

.page-about .promises__foot {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: 54px;
  padding: 30px 22px 28px;
  border-radius: var(--radius-lg);
  background-color: var(--deep-900);
  background-image: radial-gradient(circle at 2px 2px, rgba(127, 214, 201, 0.22) 1.5px, transparent 0);
  background-size: 20px 20px;
  color: var(--paper);
}

.page-about .about-cta::after {
  content: "";
  position: absolute;
  right: -50px;
  bottom: -80px;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 166, 160, 0.42), transparent 68%);
  pointer-events: none;
}

.page-about .about-cta__k {
  position: relative;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange-soft);
}

.page-about .about-cta__t {
  position: relative;
  margin: 10px 0 0;
  max-width: 16em;
  font-family: var(--font-display);
  font-size: 25px;
  font-weight: 800;
  line-height: 1.26;
  color: var(--paper);
}

.page-about .about-cta__d {
  position: relative;
  margin: 12px 0 0;
  max-width: 34em;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--jade-soft);
}

.page-about .about-cta__acts {
  position: relative;
  margin-top: 22px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 640px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-about .about-hero__facts > li {
    margin-bottom: 0;
    padding-right: 18px;
  }
}

@media (min-width: 700px) {
  .page-about .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-about .team {
    grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
    gap: 24px;
    align-items: start;
  }

  .page-about .team__fig {
    margin-top: 8px;
  }

  .page-about .archive {
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 24px;
    align-items: start;
  }

  .page-about .partners {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    padding-bottom: 48px;
  }

  .page-about .partners > *:nth-child(2) {
    margin-top: 24px;
  }

  .page-about .partners > *:nth-child(3) {
    margin-top: 48px;
  }
}

@media (min-width: 768px) {
  .page-about .about-hero__title {
    font-size: 46px;
  }

  .page-about .about-hero__lead {
    font-size: 17px;
  }

  .page-about .about-sec__title {
    font-size: 32px;
  }

  .page-about .about-sec + .about-sec {
    margin-top: 68px;
    padding-top: 52px;
  }

  .page-about .about-cta {
    padding: 38px 34px 34px;
  }

  .page-about .about-cta__t {
    font-size: 31px;
  }
}

@media (min-width: 1024px) {
  .page-about .about-body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 4fr);
    gap: 72px;
    align-items: start;
  }

  .page-about .about-rail {
    position: sticky;
    top: 96px;
    padding: 22px 20px 24px;
  }

  .page-about .archive {
    grid-template-columns: minmax(0, 1fr) 230px;
  }

  .page-about .team {
    grid-template-columns: minmax(0, 250px) minmax(0, 1fr);
  }
}

@media (min-width: 1180px) {
  .page-about .about-hero__title {
    font-size: 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-about .about-rail__toc a,
  .page-about .tl-toggle {
    transition: none;
  }

  .page-about .tl-track {
    scroll-behavior: auto;
  }
}