.page-about {
  --ab-line: rgba(28, 39, 51, 0.14);
  --ab-line-dark: rgba(143, 161, 178, 0.28);
  --ab-soft: rgba(246, 248, 251, 0.78);
  background: var(--white);
  color: var(--graphite);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-about .ab-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  padding: clamp(26px, 5vw, 54px) 0 clamp(34px, 6vw, 76px);
}

.page-about .ab-hero::after {
  content: "";
  position: absolute;
  right: -12%;
  bottom: -26%;
  width: 58%;
  height: 78%;
  background: linear-gradient(200deg, rgba(22, 209, 196, 0.26), rgba(22, 209, 196, 0) 68%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-about .ab-hero::before {
  content: "";
  position: absolute;
  left: -6%;
  top: -30%;
  width: 44%;
  height: 130%;
  background: linear-gradient(180deg, rgba(226, 58, 46, 0.32), rgba(226, 58, 46, 0) 62%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-about .ab-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(26px, 5vw, 48px);
}

.page-about .ab-hero-copy .breadcrumb {
  margin-bottom: 18px;
}

.page-about .ab-hero-copy .eyebrow {
  margin: 0 0 14px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-about .ab-hero h1 {
  margin: 0 0 20px;
  font-family: var(--font-body);
  font-weight: 300;
  font-size: clamp(38px, 8.4vw, 84px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--white);
}

.page-about .ab-lead {
  margin: 0 0 22px;
  max-width: 48ch;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--ab-soft);
}

.page-about .ab-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .ab-hero-figure {
  margin: 0;
  position: relative;
}

.page-about .ab-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 420px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--ab-line-dark);
}

.page-about .ab-hero-figure .media-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(10, 26, 47, 0.82);
  color: var(--white);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.page-about .ab-stats {
  background: var(--ink);
  color: var(--white);
  border-top: 1px solid rgba(22, 209, 196, 0.4);
  padding: clamp(24px, 4vw, 42px) 0;
}

.page-about .ab-stats-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 16px;
}

.page-about .ab-stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding-left: 14px;
  border-left: 2px solid var(--red);
}

.page-about .ab-stat-num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: clamp(34px, 6vw, 54px);
  line-height: 1;
  color: var(--yellow);
}

.page-about .ab-stat-label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

.page-about .ab-body {
  padding: clamp(38px, 6vw, 76px) 0 clamp(46px, 7vw, 92px);
}

.page-about .ab-index {
  margin-bottom: clamp(30px, 5vw, 46px);
}

.page-about .ab-index-title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-about .ab-index-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-about .ab-index-list a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--ab-line);
  color: var(--graphite);
  font-size: 13px;
  text-decoration: none;
  transition: color var(--dur), border-color var(--dur), background-color var(--dur);
}

.page-about .ab-index-list a:hover,
.page-about .ab-index-list a:focus-visible {
  color: var(--red);
  border-color: var(--red);
  background: var(--red-soft);
}

.page-about .ab-index-num {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 13px;
  color: var(--teal);
}

.page-about .ab-index-cta {
  display: inline-flex;
}

.page-about .ab-sec {
  margin-bottom: clamp(48px, 7vw, 88px);
  scroll-margin-top: 84px;
}

.page-about .ab-sec:last-child {
  margin-bottom: 0;
}

.page-about .ab-sec-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ab-line);
}

.page-about .ab-sec-idx {
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.08em;
  color: var(--red);
}

.page-about .ab-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.2vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-about .ab-main p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-about .ab-quote {
  margin: 26px 0;
  padding: 20px 22px;
  background: var(--red-soft);
  border-left: 4px solid var(--red);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.page-about .ab-quote p {
  margin: 0 0 8px;
  font-size: clamp(17px, 2.4vw, 21px);
  line-height: 1.6;
  font-weight: 500;
  color: var(--ink);
}

.page-about .ab-quote cite {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--teal);
}

.page-about .ab-system-visual {
  display: grid;
  gap: 12px;
  margin-bottom: 22px;
}

.page-about .ab-flow-figure {
  margin: 0;
  background: var(--ink);
  border-radius: var(--radius-lg);
  padding: 18px 16px 14px;
  color: var(--white);
}

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

.page-about .ab-flow-line {
  fill: none;
  stroke: rgba(22, 209, 196, 0.55);
  stroke-width: 2;
  stroke-dasharray: 6 6;
}

.page-about .ab-flow-node circle {
  fill: var(--ink-2);
  stroke: var(--cyan);
  stroke-width: 2;
  transition: fill var(--dur), stroke var(--dur);
}

.page-about .ab-flow-node text {
  fill: var(--white);
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  text-anchor: middle;
}

.page-about .ab-flow-node:hover circle {
  fill: var(--red);
  stroke: var(--yellow);
}

.page-about .ab-flow-figure figcaption {
  margin-top: 10px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  text-align: center;
}

.page-about .ab-system-photo {
  margin: 0;
  position: relative;
}

.page-about .ab-system-photo img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-about .ab-system-photo .media-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(10, 26, 47, 0.82);
  color: var(--white);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.page-about .ab-caps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-cap {
  background: #ffffff;
  border: 1px solid var(--ab-line);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  transition: border-color var(--dur), transform var(--dur);
}

.page-about .ab-cap:hover,
.page-about .ab-cap:focus-within {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-about .ab-cap-idx {
  display: inline-block;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--red);
  margin-bottom: 8px;
}

.page-about .ab-cap h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
}

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

.page-about .ab-timeline-wrap {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(22px, 4vw, 40px);
}

.page-about .ab-timeline-wrap::after {
  content: "";
  position: absolute;
  right: -14%;
  top: -30%;
  width: 46%;
  height: 170%;
  background: linear-gradient(180deg, rgba(22, 209, 196, 0.16), rgba(22, 209, 196, 0) 70%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-about .ab-time {
  position: relative;
  z-index: 1;
  list-style: none;
  margin: 0;
  padding: 0 0 0 30px;
}

.page-about .ab-time::before {
  content: "";
  position: absolute;
  left: 9px;
  top: 10px;
  bottom: 12px;
  width: 2px;
  background: linear-gradient(180deg, var(--red), var(--cyan));
}

.page-about .ab-time-item {
  position: relative;
  padding-bottom: 26px;
  transition: transform var(--dur);
}

.page-about .ab-time-item:last-child {
  padding-bottom: 0;
}

.page-about .ab-time-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 12px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 3px solid var(--cyan);
  transition: border-color var(--dur), background-color var(--dur);
}

.page-about .ab-time-item:hover::before {
  border-color: var(--yellow);
  background: var(--red);
}

.page-about .ab-time-year {
  display: inline-block;
  background: var(--red);
  color: var(--white);
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 22px;
  line-height: 1;
  padding: 6px 16px 7px;
  border-radius: 4px;
  transform: skewX(-6deg);
  margin-bottom: 12px;
}

.page-about .ab-time-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-about .ab-time-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  transition: color var(--dur);
}

.page-about .ab-time-item:hover .ab-time-desc {
  color: var(--white);
}

.page-about .ab-roles {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-role {
  padding: 16px 18px;
  border-radius: var(--radius-md);
  border: 1px solid var(--ab-line);
  border-left: 4px solid var(--teal);
  background: #ffffff;
  transition: border-left-color var(--dur);
}

.page-about .ab-role:hover {
  border-left-color: var(--red);
}

.page-about .ab-role .pill {
  margin-bottom: 10px;
}

.page-about .ab-role p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
}

.page-about .ab-team-note {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  background: var(--red-soft);
  color: var(--ink) !important;
  font-size: 14px !important;
}

.page-about .ab-partner-map {
  list-style: none;
  margin: 0 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-about .ab-partner-node {
  position: relative;
  padding: 18px 18px 18px 58px;
  border-radius: var(--radius-md);
  background: var(--ink-2);
  color: var(--white);
  transition: background-color var(--dur);
}

.page-about .ab-partner-node:hover {
  background: var(--ink);
}

.page-about .ab-node-idx {
  position: absolute;
  left: 18px;
  top: 18px;
  font-family: var(--font-num);
  font-weight: 800;
  font-size: 20px;
  line-height: 1;
  color: var(--yellow);
}

.page-about .ab-partner-node strong {
  display: block;
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
}

.page-about .ab-node-type {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  border-radius: var(--radius-pill);
  background: rgba(22, 209, 196, 0.16);
  color: var(--cyan);
}

.page-about .ab-partner-node:hover .ab-node-type {
  background: var(--yellow);
  color: var(--ink);
}

.page-about .ab-partner-node p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--mist);
}

.page-about .ab-partner-figure {
  margin: 0;
  position: relative;
}

.page-about .ab-partner-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 320px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

.page-about .ab-partner-figure .media-label {
  position: absolute;
  left: 14px;
  bottom: 14px;
  background: rgba(10, 26, 47, 0.82);
  color: var(--white);
  font-size: 12px;
  padding: 6px 14px;
  border-radius: var(--radius-pill);
}

.page-about .ab-contact-card {
  position: relative;
  overflow: hidden;
  background: var(--ink);
  color: var(--white);
  border-radius: var(--radius-lg);
  padding: clamp(24px, 5vw, 48px);
}

.page-about .ab-contact-card::before {
  content: "";
  position: absolute;
  left: -12%;
  top: -40%;
  width: 62%;
  height: 180%;
  background: linear-gradient(160deg, rgba(226, 58, 46, 0.42), rgba(226, 58, 46, 0) 70%);
  transform: skewX(-6deg);
  pointer-events: none;
}

.page-about .ab-contact-card > * {
  position: relative;
  z-index: 1;
}

.page-about .ab-contact-kicker {
  margin: 0 0 12px !important;
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.22em;
  color: var(--cyan) !important;
}

.page-about .ab-contact-card h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 32px);
  line-height: 1.3;
  color: var(--white);
}

.page-about .ab-contact-card > p {
  color: var(--ab-soft);
  max-width: 56ch;
}

.page-about .ab-contact-grid {
  display: grid;
  gap: 12px;
  margin: 22px 0 16px;
}

.page-about .ab-contact-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-left: 14px;
  border-left: 2px solid var(--red);
}

.page-about .ab-contact-label {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-about .ab-contact-value {
  font-size: 15px;
  font-weight: 500;
  color: var(--white);
  word-break: break-word;
}

.page-about .ab-contact-note {
  font-size: 13px !important;
  color: var(--mist) !important;
}

.page-about .ab-contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 20px;
}

@media (min-width: 640px) {
  .page-about .ab-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

@media (min-width: 920px) {
  .page-about .ab-hero-grid {
    grid-template-columns: 1.08fr 0.92fr;
    align-items: center;
  }

  .page-about .ab-hero-figure img {
    max-height: 480px;
  }

  .page-about .ab-body {
    display: grid;
    grid-template-columns: 208px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: start;
  }

  .page-about .ab-index {
    position: sticky;
    top: 88px;
    margin-bottom: 0;
    padding-top: 6px;
    border-top: 2px solid var(--ink);
  }

  .page-about .ab-index-list {
    flex-direction: column;
    gap: 2px;
    margin-bottom: 22px;
  }

  .page-about .ab-index-list a {
    width: 100%;
    border: 0;
    border-left: 2px solid var(--ab-line);
    border-radius: 0;
    padding: 9px 0 9px 14px;
    font-size: 14px;
    justify-content: flex-start;
  }

  .page-about .ab-index-list a:hover,
  .page-about .ab-index-list a:focus-visible {
    background: transparent;
    border-left-color: var(--red);
    color: var(--red);
  }

  .page-about .ab-system-visual {
    grid-template-columns: 0.95fr 1.05fr;
    align-items: stretch;
    gap: 16px;
  }

  .page-about .ab-flow-figure {
    display: flex;
    flex-direction: column;
    justify-content: center;
  }

  .page-about .ab-system-photo img {
    height: 100%;
    max-height: none;
    min-height: 260px;
  }

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

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

  .page-about .ab-time::before {
    left: 13px;
  }

  .page-about .ab-time-item::before {
    left: -33px;
  }

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