.page-about {
  --about-index-width: 216px;
  --about-gap: clamp(28px, 5vw, 88px);
  --about-chapter-pad: clamp(34px, 5vw, 68px);
  color: var(--paper);
  padding-bottom: clamp(48px, 8vw, 120px);
}

.page-about .about-hero {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
  padding-top: clamp(20px, 4vw, 48px);
  padding-bottom: clamp(44px, 7vw, 100px);
}

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

.page-about .about-title {
  margin: 0 0 24px;
  font-family: var(--font-serif);
  font-size: clamp(42px, 8vw, 92px);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.035em;
  color: var(--paper);
  text-wrap: balance;
}

.page-about .about-lede {
  max-width: 38em;
  margin: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
}

.page-about .about-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.page-about .about-hero__note {
  margin: 18px 0 0;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.02em;
}

.page-about .about-hero__media {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--panel);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.32);
}

.page-about .about-hero__media .media__img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: 220px;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.page-about .about-layout {
  display: grid;
  gap: var(--about-gap);
  padding-top: clamp(24px, 4vw, 44px);
}

.page-about .about-index {
  min-width: 0;
  border-top: 1px solid var(--line);
  padding-top: 16px;
}

.page-about .about-index__label {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-about .about-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-about .about-index__list li {
  flex: 0 0 auto;
}

.page-about .about-index__list a {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 14px;
  text-decoration: none;
  border: 1px solid var(--line);
  border-radius: 2px;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-about .about-index__list a:hover,
.page-about .about-index__list a:focus-visible {
  color: var(--paper);
  border-color: var(--cyan);
  background: var(--panel);
  outline: none;
}

.page-about .about-index__list .mono {
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.page-about .about-index__foot {
  padding-top: 14px;
}

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

.page-about .about-chapter {
  border-top: 1px solid var(--line);
  padding: var(--about-chapter-pad) 0;
  scroll-margin-top: 24px;
}

.page-about .about-chapter:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-about .about-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.5vw, 28px);
  align-items: start;
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-about .about-chapter__num {
  color: var(--cyan);
  font-size: clamp(30px, 5vw, 62px);
  font-weight: 500;
  line-height: 0.92;
  letter-spacing: -0.04em;
}

.page-about .about-chapter__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(27px, 3.8vw, 46px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-chapter__body {
  max-width: 760px;
}

.page-about .about-chapter__body p {
  margin: 0;
  color: var(--paper);
  font-size: 16px;
  line-height: 1.85;
}

.page-about .about-chapter__body p + p {
  margin-top: 18px;
}

.page-about .about-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.page-about .about-link:hover,
.page-about .about-link:focus-visible {
  color: var(--paper);
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-about .about-facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-about .about-fact {
  padding: 18px 16px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.page-about .about-fact__num {
  display: block;
  color: var(--cyan);
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-about .about-fact__label {
  display: block;
  margin-top: 10px;
  color: var(--muted);
  font-size: 13px;
}

.page-about .about-principles {
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--line);
}

.page-about .about-principle {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-principle__num {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .about-principle h3 {
  margin: 0 0 8px;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
}

.page-about .about-principle p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-version-grid {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(26px, 4vw, 42px);
}

.page-about .about-timeline {
  position: relative;
  min-width: 0;
  padding-left: 26px;
}

.page-about .about-timeline::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  left: 8px;
  width: 1px;
  background: var(--line);
}

.page-about .about-version {
  position: relative;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.page-about .about-version + .about-version {
  margin-top: 6px;
}

.page-about .about-version__summary {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr) 24px;
  gap: 10px;
  align-items: center;
  padding: 14px 0;
  cursor: pointer;
  list-style: none;
}

.page-about .about-version__summary::-webkit-details-marker {
  display: none;
}

.page-about .about-version__summary::marker {
  content: "";
}

.page-about .about-version__summary:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

.page-about .about-version__dot {
  position: absolute;
  left: -18px;
  top: 24px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  transform: rotate(45deg);
  box-shadow: 0 0 0 3px var(--ink);
}

.page-about .about-version--turn .about-version__dot {
  background: linear-gradient(135deg, var(--magenta-a), var(--magenta-b));
}

.page-about .about-version__code {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.06em;
}

.page-about .about-version__name {
  color: var(--paper);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
}

.page-about .about-version__toggle {
  position: relative;
  width: 20px;
  height: 20px;
  border: 1px solid var(--line);
}

.page-about .about-version__toggle::before {
  content: "+";
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
}

.page-about .about-version[open] .about-version__toggle::before {
  content: "−";
  color: var(--cyan);
}

.page-about .about-version[open] .about-version__name {
  color: var(--cyan);
}

.page-about .about-version__body {
  padding: 0 28px 16px 56px;
}

.page-about .about-version__body p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-about .about-version__media {
  margin: 0;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--layer);
}

.page-about .about-version__media .media__img,
.page-about .about-team-media .media__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-about .about-sports {
  display: flex;
  gap: 10px;
  margin-top: 26px;
  padding: 4px 0 12px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-about .about-sport {
  flex: 0 0 auto;
  padding: 9px 18px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.page-about .about-content-types {
  margin-top: 26px;
  border-top: 1px solid var(--line);
}

.page-about .about-content-type {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 15px;
  align-items: start;
  padding: 17px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-content-type .tag {
  justify-self: start;
  margin-top: 2px;
}

.page-about .about-content-type p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-about .about-team-stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}

.page-about .about-team-stat {
  padding: 18px 15px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--panel);
  transition: background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-about .about-team-stat:hover,
.page-about .about-team-stat:focus-visible {
  background: var(--layer);
  border-color: var(--cyan);
  outline: none;
}

.page-about .about-team-stat__num {
  display: block;
  color: var(--cyan);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-about .about-team-stat__label {
  display: block;
  margin-top: 8px;
  color: var(--paper);
  font-size: 14px;
  font-weight: 600;
}

.page-about .about-team-stat__desc {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  opacity: 0.86;
  transition: opacity 180ms var(--ease);
}

.page-about .about-team-stat:hover .about-team-stat__desc,
.page-about .about-team-stat:focus-visible .about-team-stat__desc {
  opacity: 1;
}

.page-about .about-team-media {
  margin: 0 0 clamp(24px, 4vw, 36px);
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
  background: var(--layer);
}

.page-about .about-partner-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0;
  margin: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-about .about-partner-stat {
  padding: 18px 12px;
  border-right: 1px solid var(--line);
}

.page-about .about-partner-stat:last-child {
  border-right: 0;
}

.page-about .about-partner-stat__num {
  display: block;
  color: var(--cyan);
  font-size: clamp(26px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.04em;
}

.page-about .about-partner-stat__label {
  display: block;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.5;
}

.page-about .about-coop {
  margin-top: clamp(26px, 4vw, 38px);
  border-top: 1px solid var(--line);
}

.page-about .about-coop__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}

.page-about .about-coop__num {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-about .about-coop__item h3 {
  margin: 0 0 7px;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
}

.page-about .about-coop__item p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.page-about .about-coop + .about-chapter__body {
  margin-top: 24px;
}

.page-about .about-cta {
  position: relative;
  overflow: hidden;
  margin-top: clamp(20px, 4vw, 40px);
  padding: clamp(32px, 5vw, 64px);
  border: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(18, 24, 32, 0.96), rgba(8, 17, 31, 0.98) 62%),
    var(--panel);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  scroll-margin-top: 24px;
}

.page-about .about-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(260px, 46%);
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta-b), var(--orange));
}

.page-about .about-cta__num {
  display: block;
  margin-bottom: 16px;
  color: var(--cyan);
  font-size: clamp(34px, 5vw, 58px);
  line-height: 0.9;
  letter-spacing: -0.04em;
}

.page-about .about-cta__title {
  max-width: 15em;
  margin: 0 0 22px;
  font-family: var(--font-serif);
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
  text-wrap: balance;
}

.page-about .about-cta__body {
  max-width: 720px;
}

.page-about .about-cta__body p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-about .about-cta__body p + p {
  margin-top: 12px;
}

.page-about .about-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

@media (min-width: 700px) {
  .page-about .about-facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-content-type {
    grid-template-columns: 96px minmax(0, 1fr);
  }

  .page-about .about-team-stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-about .about-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-about .about-version-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    align-items: start;
  }

  .page-about .about-chapter__body {
    padding-left: clamp(0px, 4vw, 58px);
  }

  .page-about .about-facts,
  .page-about .about-principles {
    margin-left: clamp(0px, 4vw, 58px);
  }

  .page-about .about-version-grid,
  .page-about .about-sports,
  .page-about .about-content-types,
  .page-about .about-team-stats,
  .page-about .about-team-media,
  .page-about .about-partner-stats,
  .page-about .about-coop {
    margin-left: clamp(0px, 4vw, 58px);
  }
}

@media (min-width: 1000px) {
  .page-about .about-layout {
    grid-template-columns: var(--about-index-width) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-index {
    position: sticky;
    top: 32px;
  }

  .page-about .about-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-about .about-index__list li + li {
    margin-top: 8px;
  }

  .page-about .about-index__list a {
    width: 100%;
    padding: 8px 0;
    border: 0;
    border-bottom: 1px solid transparent;
    background: transparent;
    border-radius: 0;
  }

  .page-about .about-index__list a:hover,
  .page-about .about-index__list a:focus-visible {
    border-bottom-color: var(--cyan);
    background: transparent;
  }

  .page-about .about-index__foot {
    padding-top: 18px;
  }
}

@media (max-width: 480px) {
  .page-about .about-title {
    font-size: clamp(38px, 13vw, 54px);
  }

  .page-about .about-chapter__head {
    grid-template-columns: 38px minmax(0, 1fr);
  }

  .page-about .about-chapter__num {
    font-size: 28px;
  }

  .page-about .about-version__summary {
    grid-template-columns: 40px minmax(0, 1fr) 22px;
  }

  .page-about .about-version__body {
    padding-left: 46px;
  }

  .page-about .about-content-type {
    grid-template-columns: 68px minmax(0, 1fr);
    gap: 10px;
  }

  .page-about .about-cta {
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  }
}
<<<END>>>