.page-about {
  --about-toc-w: 240px;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about a:focus-visible,
.page-about .tl-item:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 4px;
}

.page-about .about-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(20px, 4vw, 40px) 0 clamp(44px, 7vw, 88px);
  background:
    radial-gradient(110% 80% at 88% -15%, rgba(255, 122, 26, 0.18), transparent 58%),
    linear-gradient(158deg, var(--ink-2) 0%, var(--ink) 52%, var(--ink-deep) 100%);
  border-bottom: 1px solid var(--line);
}

.page-about .about-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -16%;
  top: -34%;
  width: 64%;
  height: 200%;
  background: repeating-linear-gradient(122deg, rgba(46, 107, 88, 0.3) 0 2px, transparent 2px 24px);
  transform: rotate(-6deg);
  opacity: 0.55;
  pointer-events: none;
}

.page-about .about-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(20px, 4vw, 44px);
}

.page-about .about-hero__eyebrow {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--signal);
  text-transform: uppercase;
}

.page-about .about-hero h1 {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(40px, 8.4vw, 104px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-about .about-hero__intro {
  margin: 0;
  max-width: 34em;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.85;
  color: var(--paper-2);
}

.page-about .fact-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-about .fact {
  background: rgba(11, 31, 26, 0.88);
  padding: 16px 18px;
}

.page-about .fact dt {
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--mute);
}

.page-about .fact dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper);
}

.page-about .fact dd .mono {
  margin-right: 4px;
  font-size: 23px;
  font-weight: 700;
  color: var(--signal);
}

.page-about .about-body {
  display: grid;
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(32px, 5vw, 72px);
  padding-bottom: clamp(40px, 6vw, 96px);
}

.page-about .about-toc {
  border-top: 2px solid var(--signal);
  padding-top: 14px;
}

.page-about .about-toc__head {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--mute);
}

.page-about .about-toc__list {
  display: grid;
  gap: 2px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-about .about-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 7px 8px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper-2);
  text-decoration: none;
  transition: background var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-about .about-toc__list a .mono {
  font-size: 12px;
  color: var(--signal);
  letter-spacing: 0.06em;
}

.page-about .about-toc__list a:hover,
.page-about .about-toc__list a:focus-visible {
  background: var(--seat);
  color: var(--paper);
}

.page-about .about-toc__note {
  margin: 0;
  padding-left: 12px;
  border-left: 2px solid var(--line);
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mute);
}

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

.page-about .chapter {
  padding-bottom: clamp(30px, 4vw, 52px);
  margin-bottom: clamp(30px, 4vw, 52px);
  border-bottom: 1px solid rgba(46, 107, 88, 0.42);
}

.page-about .chapter:last-of-type {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-about .chapter__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(14px, 2vw, 20px);
}

.page-about .chapter__num {
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  line-height: 1;
  color: var(--signal);
}

.page-about .chapter h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 40px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .chapter p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-2);
}

.page-about .chapter p a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-about .chapter__lead {
  font-size: clamp(16px, 2vw, 18px);
  line-height: 1.8;
  color: var(--paper);
}

.page-about .pullquote {
  margin: clamp(22px, 3vw, 34px) 0;
  padding: 6px 0 6px 22px;
  border-left: 4px solid var(--signal);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(20px, 3vw, 28px);
  line-height: 1.35;
  color: var(--glow);
}

.page-about .about-figure {
  margin: clamp(20px, 3vw, 30px) 0;
}

.page-about .about-figure .img-frame {
  max-width: 100%;
  overflow: hidden;
  border-radius: var(--radius-organic);
}

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

.page-about .about-figure__cap {
  margin-top: 9px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mute);
}

.page-about .timeline {
  position: relative;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline::before {
  content: "";
  position: absolute;
  left: 7px;
  top: 12px;
  bottom: 30px;
  width: 2px;
  background: linear-gradient(180deg, var(--signal) 0%, var(--line) 58%, rgba(46, 107, 88, 0) 100%);
}

.page-about .tl-item {
  position: relative;
  padding: 0 0 clamp(18px, 2.6vw, 26px) 34px;
  border-radius: 12px;
  transition: background var(--dur) var(--ease);
}

.page-about .tl-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 5px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--signal);
  box-sizing: border-box;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-about .tl-item--major::before {
  border-color: var(--danger);
  background: var(--danger);
}

.page-about .tl-item:hover::before,
.page-about .tl-item:focus-within::before,
.page-about .tl-item:focus-visible::before {
  transform: scale(1.2);
  background: var(--signal);
}

.page-about .tl-item:hover,
.page-about .tl-item:focus-visible {
  background: rgba(28, 74, 62, 0.4);
}

.page-about .tl-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 5px;
}

.page-about .tl-season {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--signal);
}

.page-about .tl-ver {
  padding: 1px 9px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  color: var(--mute);
}

.page-about .tl-title {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-about .tl-desc {
  max-width: 40em;
  margin: 0 0 7px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-2);
}

.page-about .tl-note {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--mute);
  transition: color var(--dur) var(--ease);
}

.page-about .tl-item:hover .tl-note,
.page-about .tl-item:focus-within .tl-note {
  color: var(--glow);
}

.page-about .team-grid {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 28px) 0;
}

.page-about .team-card {
  padding: 16px 18px;
  background: var(--seat);
  border-left: 3px solid var(--signal);
  border-radius: 4px 18px 18px 4px;
}

.page-about .team-card__num {
  margin: 0 0 2px;
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--signal);
}

.page-about .team-card__name {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--paper);
}

.page-about .team-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-2);
}

.page-about .stand-figure {
  margin: clamp(20px, 3vw, 30px) 0;
  padding: 14px;
  background: rgba(18, 51, 43, 0.55);
  border: 1px solid var(--line);
  border-radius: var(--radius-soft);
}

.page-about .about-svg {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-about .about-svg text {
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  fill: var(--paper);
}

.page-about .about-svg .svg-signal {
  fill: var(--signal);
  font-weight: 700;
}

.page-about .about-svg .svg-mono {
  font-family: var(--font-mono);
  font-size: 12px;
  fill: var(--glow);
  letter-spacing: 0.04em;
}

.page-about .ver-list {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 3vw, 26px) 0;
}

.page-about .ver-row {
  display: grid;
  gap: 8px;
  padding: 14px 16px;
  background: rgba(28, 74, 62, 0.5);
  border: 1px solid rgba(46, 107, 88, 0.6);
  border-radius: 16px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-about .ver-row:hover {
  transform: translateY(-2px);
  border-color: var(--signal);
}

.page-about .ver-row--major {
  background: rgba(196, 58, 47, 0.16);
  border-color: rgba(196, 58, 47, 0.55);
}

.page-about .ver-no {
  font-size: 19px;
  font-weight: 700;
  color: var(--signal);
}

.page-about .ver-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--paper-2);
}

.page-about .eco-list {
  display: grid;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0;
  padding: 0;
  list-style: none;
}

.page-about .eco-list li {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 12px 0;
  border-bottom: 1px dashed rgba(46, 107, 88, 0.55);
}

.page-about .eco-list li:last-child {
  border-bottom: 0;
}

.page-about .eco-list__key {
  font-size: 24px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--signal);
}

.page-about .eco-list li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--paper-2);
}

.page-about .promise-list {
  display: grid;
  gap: 10px;
  margin: clamp(18px, 3vw, 26px) 0;
  padding: 0;
  list-style: none;
  counter-reset: promise;
}

.page-about .promise-list li {
  position: relative;
  padding: 12px 14px 12px 46px;
  background: rgba(18, 51, 43, 0.6);
  border-radius: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-2);
  counter-increment: promise;
}

.page-about .promise-list li::before {
  content: counter(promise, decimal-leading-zero);
  position: absolute;
  left: 14px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--signal);
}

.page-about .promise-list li a {
  color: var(--signal);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-about .about-next {
  margin-top: clamp(30px, 4vw, 52px);
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 2px solid var(--signal);
}

.page-about .about-next__head {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.6vw, 26px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-about .about-next__list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .about-next__list a {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: rgba(28, 74, 62, 0.45);
  border-radius: 12px;
  font-size: 15px;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-about .about-next__list a .mono {
  font-size: 12px;
  color: var(--signal);
}

.page-about .about-next__list a:hover {
  background: var(--seat);
  transform: translateY(-2px);
}

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

  .page-about .about-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-about .ver-row {
    grid-template-columns: 84px minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 900px) {
  .page-about .about-hero__grid {
    grid-template-columns: 7fr 5fr;
    align-items: end;
  }

  .page-about .about-hero__facts {
    justify-self: end;
    width: 100%;
  }
}

@media (min-width: 980px) {
  .page-about .about-body {
    grid-template-columns: var(--about-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-about .about-toc {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-about .about-body {
    grid-template-columns: var(--about-toc-w) minmax(0, 1fr) 180px;
    gap: clamp(32px, 3vw, 56px);
  }

  .page-about .about-content {
    grid-column: 2 / 3;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-about .tl-item,
  .page-about .tl-item::before,
  .page-about .ver-row,
  .page-about .about-next__list a,
  .page-about .tl-note,
  .page-about .about-toc__list a {
    transition: none;
  }

  .page-about .ver-row:hover,
  .page-about .about-next__list a:hover,
  .page-about .tl-item:hover::before {
    transform: none;
  }
}