:root {
  --about-ink: #15372a;
  --about-ink-soft: #3d5549;
  --about-muted: #6a7d73;
  --about-green: #087f5b;
  --about-green-dark: #07583f;
  --about-green-pale: #e9f5ee;
  --about-green-wash: #f4f8f4;
  --about-line: #d3e3d9;
  --about-line-strong: #a9c9b7;
  --about-yellow: #f6d95c;
  --about-white: #fff;
  --about-max: 1160px;
  --about-shadow: 0 18px 45px rgba(11, 65, 43, .08);
}

.about-page {
  margin: 0;
  min-width: 0;
  overflow-x: hidden;
  overflow-wrap: anywhere;
  background: var(--about-green-wash);
  color: var(--about-ink);
  font-family: "Pretendard", "Noto Sans KR", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: -.01em;
  word-break: keep-all;
}

.about-page *,
.about-page *::before,
.about-page *::after {
  box-sizing: border-box;
}

.about-page img {
  max-width: 100%;
}

.about-page a {
  color: inherit;
}

.about-page a:focus-visible,
.about-page button:focus-visible,
.about-page summary:focus-visible {
  outline: 3px solid var(--about-yellow);
  outline-offset: 4px;
}

.about-skip-link {
  position: fixed;
  z-index: 3000;
  top: 10px;
  left: 12px;
  transform: translateY(-160%);
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--about-ink);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .18s ease;
}

.about-skip-link:focus {
  transform: translateY(0);
}

.about-site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto auto;
  align-items: center;
  gap: 22px;
  min-height: 78px;
  padding: 10px max(20px, calc((100% - var(--about-max)) / 2));
  border-bottom: 1px solid rgba(169, 201, 183, .75);
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 3px 18px rgba(13, 65, 42, .04);
  backdrop-filter: blur(14px);
}

.about-site-header .logo-wrap {
  min-width: 0;
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: var(--about-ink);
  text-decoration: none;
}

.about-site-header .logo-wrap img {
  flex: 0 0 46px;
  width: 46px;
  height: 46px;
  object-fit: contain;
  border-radius: 11px;
}

.about-site-header .logo-text {
  white-space: nowrap;
  font-size: 15px;
  font-weight: 900;
  letter-spacing: -.05em;
}

.about-site-header .logo-text .accent {
  color: var(--about-green);
}

.about-site-header .nav-menu {
  min-width: 0;
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: clamp(10px, 1.5vw, 20px);
}

.about-site-header .nav-menu > a {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  color: var(--about-ink-soft);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}

.about-site-header .nav-menu > a:hover,
.about-site-header .nav-menu > a.active,
.about-site-header .nav-menu > a[aria-current="page"] {
  color: var(--about-green);
}

.about-site-header .sub-mobile-menu-head {
  display: none;
}

.about-site-header .nav-cta {
  display: flex;
  align-items: center;
  gap: 7px;
}

.about-site-header .nav-btn {
  min-height: 40px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 13px;
  border: 1px solid var(--about-line-strong);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 900;
  text-decoration: none;
  white-space: nowrap;
}

.about-site-header .nav-btn-outline {
  color: var(--about-green);
  background: #fff;
}

.about-site-header .nav-btn-fill {
  border-color: var(--about-green);
  background: var(--about-green);
  color: #fff;
}

.about-site-header .hamburger {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  gap: 5px;
  padding: 0;
  border: 1px solid var(--about-line);
  border-radius: 9px;
  background: #fff;
  cursor: pointer;
}

.about-site-header .hamburger span {
  width: 19px;
  height: 2px;
  display: block;
  border-radius: 2px;
  background: var(--about-ink);
  transition: transform .18s ease, opacity .18s ease;
}

.about-site-header .hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.about-site-header .hamburger.open span:nth-child(2) {
  opacity: 0;
}

.about-site-header .hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.about-page .menu-overlay {
  display: none;
}

.about-shell {
  width: min(var(--about-max), calc(100% - 48px));
  margin-inline: auto;
}

.about-hero {
  border-bottom: 1px solid var(--about-line);
  background:
    linear-gradient(135deg, rgba(233, 245, 238, .98), rgba(246, 250, 246, .98)),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(8, 127, 91, .05) 80px);
}

.about-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.18fr) minmax(280px, .82fr);
  align-items: end;
  gap: clamp(40px, 8vw, 110px);
  padding-top: clamp(76px, 10vw, 132px);
  padding-bottom: clamp(62px, 8vw, 96px);
}

.about-kicker,
.about-section-kicker,
.signal-label {
  margin: 0 0 15px;
  color: var(--about-green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .14em;
  line-height: 1.3;
}

.about-hero h1 {
  max-width: 760px;
  margin: 0;
  color: var(--about-ink);
  font-size: clamp(42px, 6.4vw, 84px);
  font-weight: 950;
  letter-spacing: -.085em;
  line-height: .98;
}

.about-hero-lead {
  max-width: 650px;
  margin: 28px 0 0;
  color: var(--about-ink-soft);
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 650;
  line-height: 1.7;
}

.about-disclosure {
  max-width: 680px;
  margin: 22px 0 0;
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.65;
}

.about-hero-actions,
.about-final-actions,
.about-route-action {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.about-hero-actions {
  margin-top: 30px;
}

.about-button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 17px;
  border: 1px solid var(--about-green);
  border-radius: 7px;
  background: var(--about-green);
  color: #fff !important;
  font-size: 14px;
  font-weight: 900;
  line-height: 1.25;
  text-align: center;
  text-decoration: none;
  transition: transform .18s ease, background .18s ease, box-shadow .18s ease;
}

.about-button:hover {
  transform: translateY(-2px);
  background: var(--about-green-dark);
  box-shadow: 0 10px 22px rgba(8, 127, 91, .16);
}

.about-button.secondary {
  border-color: var(--about-line-strong);
  background: transparent;
  color: var(--about-green-dark) !important;
}

.about-button.secondary:hover {
  background: rgba(255, 255, 255, .7);
}

.about-button.yellow {
  border-color: #d6b527;
  background: var(--about-yellow);
  color: #3c3504 !important;
}

.about-hero-signal {
  min-width: 0;
  padding: 26px 0 8px 28px;
  border-left: 1px solid var(--about-line-strong);
}

.signal-label {
  color: var(--about-muted);
}

.signal-track {
  min-width: 0;
  display: grid;
  grid-template-columns: auto minmax(22px, 1fr) auto minmax(22px, 1fr) auto;
  align-items: center;
  gap: 12px;
  color: var(--about-green-dark);
  font-size: clamp(22px, 3vw, 38px);
  font-weight: 950;
  letter-spacing: -.07em;
}

.signal-track i {
  height: 1px;
  display: block;
  background: var(--about-line-strong);
}

.signal-caption {
  max-width: 380px;
  margin: 20px 0 0;
  color: var(--about-ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.7;
}

.about-hero-facts {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border-top: 1px solid var(--about-line-strong);
}

.about-hero-facts > div {
  min-width: 0;
  display: grid;
  gap: 6px;
  padding: 22px 24px 26px;
  border-right: 1px solid var(--about-line-strong);
}

.about-hero-facts > div:first-child {
  padding-left: 0;
}

.about-hero-facts > div:last-child {
  padding-right: 0;
  border-right: 0;
}

.about-hero-facts b {
  color: var(--about-green-dark);
  font-size: clamp(17px, 2vw, 23px);
  font-weight: 950;
}

.about-hero-facts span {
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 750;
  line-height: 1.45;
}

.about-section {
  padding: clamp(72px, 9vw, 120px) 0;
  border-bottom: 1px solid var(--about-line);
  background: var(--about-green-wash);
}

.about-section-tinted {
  background: #eef7f1;
}

.about-section-heading {
  max-width: 800px;
  margin-bottom: 45px;
}

.about-section-heading h2 {
  margin: 0;
  color: var(--about-ink);
  font-size: clamp(31px, 4vw, 54px);
  font-weight: 950;
  letter-spacing: -.075em;
  line-height: 1.08;
}

.about-section-heading > p:last-child {
  max-width: 700px;
  margin: 19px 0 0;
  color: var(--about-ink-soft);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.8;
}

.about-role-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
}

.about-role {
  min-width: 0;
  padding: 32px 36px 36px 0;
}

.about-role + .about-role {
  padding-right: 0;
  padding-left: 36px;
  border-left: 1px solid var(--about-line-strong);
}

.about-role-label {
  margin: 0 0 23px;
  color: var(--about-green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .14em;
}

.about-role h3,
.about-network-row h3,
.about-route-list h3,
.about-scope-column h3 {
  margin: 0;
  color: var(--about-ink);
  font-size: clamp(22px, 2.5vw, 31px);
  font-weight: 900;
  letter-spacing: -.055em;
}

.about-role > p:not(.about-role-label) {
  max-width: 440px;
  margin: 14px 0 22px;
  color: var(--about-ink-soft);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.75;
}

.about-inline-link,
.about-source-link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  color: var(--about-green-dark) !important;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.5;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.about-inline-link:hover,
.about-source-link:hover {
  color: var(--about-green) !important;
  text-decoration: underline;
}

.about-role-note {
  max-width: 840px;
  margin: 26px 0 0;
  padding-left: 15px;
  border-left: 3px solid var(--about-green);
  color: var(--about-muted);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.75;
}

.about-timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
}

.about-timeline::before {
  position: absolute;
  top: 19px;
  bottom: 19px;
  left: 82px;
  width: 1px;
  background: var(--about-line-strong);
  content: "";
}

.about-timeline li {
  position: relative;
  display: grid;
  grid-template-columns: 164px minmax(0, 1fr);
  gap: 32px;
  align-items: start;
  min-width: 0;
  padding: 22px 0;
}

.about-timeline li::before {
  position: absolute;
  top: 31px;
  left: 77px;
  width: 11px;
  height: 11px;
  border: 3px solid #eef7f1;
  border-radius: 50%;
  background: var(--about-green);
  box-shadow: 0 0 0 1px var(--about-green);
  content: "";
}

.timeline-year {
  color: var(--about-green-dark);
  font-size: 16px;
  font-weight: 950;
  letter-spacing: .04em;
}

.about-timeline h3 {
  margin: 0;
  color: var(--about-ink);
  font-size: 21px;
  font-weight: 900;
  letter-spacing: -.045em;
}

.about-timeline p {
  max-width: 660px;
  margin: 9px 0 0;
  color: var(--about-ink-soft);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.75;
}

.about-service-map {
  display: grid;
  grid-template-columns: minmax(0, 1.3fr) minmax(250px, .7fr);
  gap: 48px;
  align-items: start;
}

.about-network-list {
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
}

.about-network-row {
  min-width: 0;
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) auto;
  gap: 20px;
  align-items: center;
  padding: 26px 0;
}

.about-network-row + .about-network-row {
  border-top: 1px solid var(--about-line);
}

.network-mark {
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--about-green);
  border-radius: 50%;
  background: var(--about-green);
  color: #fff;
  font-size: 24px;
  font-weight: 950;
}

.network-mark-l {
  border-color: #3d6e59;
  background: #fff;
  color: var(--about-green-dark);
}

.network-label {
  margin: 0 0 4px;
  color: var(--about-green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .12em;
}

.about-network-row h3 {
  font-size: 23px;
}

.about-network-row > div:nth-child(2) > p:last-child {
  margin: 8px 0 0;
  color: var(--about-muted);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.about-network-row .about-inline-link {
  justify-self: end;
  white-space: nowrap;
}

.about-billing-guide {
  padding: 28px;
  border-left: 3px solid var(--about-green);
  background: rgba(255, 255, 255, .52);
}

.about-billing-guide .about-role-label {
  margin-bottom: 17px;
}

.billing-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--about-line);
}

.billing-row b {
  color: var(--about-green-dark);
  font-size: 19px;
  font-weight: 950;
}

.billing-row span {
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 700;
  text-align: right;
}

.about-billing-guide > p:last-child {
  margin: 20px 0 0;
  color: var(--about-ink-soft);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.7;
}

.about-billing-guide a {
  color: var(--about-green-dark);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.about-map-note {
  margin: 23px 0 0;
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.6;
}

.about-route-list {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
}

.about-route-list li {
  min-width: 0;
  padding: 25px 24px 28px;
  border-right: 1px solid var(--about-line);
}

.about-route-list li:first-child {
  padding-left: 0;
}

.about-route-list li:last-child {
  padding-right: 0;
  border-right: 0;
}

.about-route-list li > span {
  display: block;
  margin-bottom: 26px;
  color: var(--about-green);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .12em;
}

.about-route-list h3 {
  font-size: 20px;
}

.about-route-list h3 a {
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

.about-route-list h3 a:hover {
  color: var(--about-green);
}

.about-route-list p {
  margin: 10px 0 0;
  color: var(--about-muted);
  font-size: 13px;
  font-weight: 650;
  line-height: 1.65;
}

.about-route-action {
  margin-top: 28px;
}

.about-route-action .about-button {
  max-width: 100%;
}

.about-scope-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
}

.about-scope-column {
  min-width: 0;
  padding: 30px 38px 34px 0;
}

.about-scope-column + .about-scope-column {
  padding-right: 0;
  padding-left: 38px;
  border-left: 1px solid var(--about-line-strong);
}

.about-scope-column h3 {
  font-size: 22px;
}

.about-scope-column ul {
  display: grid;
  gap: 12px;
  margin: 21px 0 0;
  padding: 0;
  list-style: none;
}

.about-scope-column li {
  position: relative;
  padding-left: 18px;
  color: var(--about-ink-soft);
  font-size: 14px;
  font-weight: 650;
  line-height: 1.65;
}

.about-scope-column li::before {
  position: absolute;
  top: .7em;
  left: 0;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--about-green);
  content: "";
}

.about-source-table-wrap {
  overflow-x: auto;
}

.about-source-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
  color: var(--about-ink-soft);
  font-size: 13px;
}

.about-source-table caption {
  margin-bottom: 13px;
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 700;
  text-align: left;
}

.about-source-table th,
.about-source-table td {
  padding: 17px 14px;
  border-bottom: 1px solid var(--about-line);
  vertical-align: top;
  text-align: left;
  line-height: 1.65;
}

.about-source-table th {
  color: var(--about-green-dark);
  font-size: 11px;
  font-weight: 950;
  letter-spacing: .08em;
}

.about-source-table th:first-child,
.about-source-table td:first-child {
  padding-left: 0;
  width: 27%;
}

.about-source-table th:last-child,
.about-source-table td:last-child {
  padding-right: 0;
  width: 18%;
  white-space: nowrap;
}

.about-source-table tbody tr:last-child td {
  border-bottom: 0;
}

.about-source-table a {
  color: var(--about-green-dark);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.about-faq-list {
  border-top: 1px solid var(--about-line-strong);
  border-bottom: 1px solid var(--about-line-strong);
}

.about-faq-item {
  min-width: 0;
}

.about-faq-item + .about-faq-item {
  border-top: 1px solid var(--about-line);
}

.about-faq-item summary {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 16px 0;
  color: var(--about-ink);
  font-size: 17px;
  font-weight: 850;
  line-height: 1.45;
  cursor: pointer;
  list-style: none;
}

.about-faq-item summary::-webkit-details-marker {
  display: none;
}

.about-faq-item summary::after {
  flex: 0 0 auto;
  color: var(--about-green);
  content: "+";
  font-size: 25px;
  font-weight: 400;
  line-height: 1;
}

.about-faq-item[open] summary::after {
  content: "−";
}

.about-faq-item > p {
  max-width: 820px;
  margin: -2px 0 24px;
  padding: 0 45px 0 0;
  color: var(--about-ink-soft);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.8;
}

.about-record-section {
  background: #e5f1e9;
}

.about-record {
  display: grid;
  grid-template-columns: minmax(180px, .35fr) minmax(0, 1fr);
  gap: clamp(32px, 7vw, 90px);
  align-items: start;
  padding-top: 32px;
  border-top: 1px solid var(--about-line-strong);
}

.about-record-figure {
  max-width: 220px;
  margin: 0;
}

.about-record-thumb {
  display: block;
  width: 220px;
  height: auto;
  aspect-ratio: 220 / 294;
  object-fit: cover;
  border: 1px solid var(--about-line-strong);
  background: #fff;
  box-shadow: var(--about-shadow);
}

.about-record-figure figcaption {
  margin-top: 10px;
  color: var(--about-muted);
  font-size: 11px;
  font-weight: 800;
}

.about-record-details {
  margin-top: 15px;
}

.about-record-details summary {
  color: var(--about-green-dark);
  font-size: 12px;
  font-weight: 900;
  cursor: pointer;
}

.about-record-details img {
  display: block;
  width: 100%;
  height: auto;
  margin-top: 12px;
  border: 1px solid var(--about-line);
  background: #fff;
}

.about-record-fields {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin: 0;
  border-top: 1px solid var(--about-line-strong);
}

.about-record-fields > div {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(110px, .7fr) minmax(0, 1fr);
  gap: 15px;
  padding: 15px 18px 15px 0;
  border-bottom: 1px solid var(--about-line);
}

.about-record-fields > div:nth-child(even) {
  padding-right: 0;
  padding-left: 18px;
  border-left: 1px solid var(--about-line);
}

.about-record-fields dt {
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 750;
}

.about-record-fields dd {
  min-width: 0;
  margin: 0;
  color: var(--about-ink);
  font-size: 13px;
  font-weight: 900;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

.about-record-note {
  margin: 23px 0 17px;
  color: var(--about-muted);
  font-size: 12px;
  font-weight: 650;
  line-height: 1.7;
}

.about-final-cta {
  padding: 76px 0 110px;
  background: var(--about-green-dark);
  color: #fff;
}

.about-final-cta .about-shell {
  text-align: center;
}

.about-final-cta .about-section-kicker {
  color: #a7e1c2;
}

.about-final-cta h2 {
  margin: 0;
  color: #fff;
  font-size: clamp(30px, 4.2vw, 56px);
  font-weight: 950;
  letter-spacing: -.08em;
  line-height: 1.1;
}

.about-final-cta p:not(.about-section-kicker) {
  max-width: 630px;
  margin: 18px auto 0;
  color: #d6eee0;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.75;
}

.about-final-actions {
  justify-content: center;
  margin-top: 28px;
}

.about-final-cta .about-button {
  border-color: #a7e1c2;
  background: #a7e1c2;
  color: var(--about-green-dark) !important;
}

.about-final-cta .about-button.secondary {
  border-color: rgba(255, 255, 255, .55);
  background: transparent;
  color: #fff !important;
}

.about-final-cta .about-button.yellow {
  border-color: var(--about-yellow);
  background: var(--about-yellow);
  color: #3c3504 !important;
}

.about-page .sub-footer {
  margin-top: 0;
  text-align: center;
}

.about-page .sub-footer-links {
  justify-content: center;
}

@media (min-width: 900px) {
  .about-page {
    padding-bottom: 0;
  }

}

@media (max-width: 1100px) and (min-width: 900px) {
  .about-site-header {
    gap: 13px;
    padding-inline: 18px;
  }

  .about-site-header .nav-menu {
    gap: 10px;
  }

  .about-site-header .nav-menu > a {
    font-size: 12px;
  }

  .about-site-header .nav-btn {
    padding-inline: 9px;
    font-size: 11px;
  }
}

@media (max-width: 899px) {
  .about-site-header {
    display: flex !important;
    flex-wrap: nowrap;
    gap: 10px;
    min-height: 68px;
    padding: 8px 16px;
  }

  .about-site-header .logo-wrap {
    flex: 1 1 auto;
    padding-right: 54px;
  }

  .about-site-header .logo-wrap img {
    flex-basis: 40px;
    width: 40px;
    height: 40px;
  }

  .about-site-header .logo-text {
    font-size: 13px;
  }

  .about-site-header .nav-cta {
    display: none !important;
  }

  .about-site-header .hamburger {
    position: absolute;
    top: 12px;
    right: 16px;
    display: flex !important;
    flex: 0 0 44px;
    margin-left: 0;
  }

  .about-site-header .nav-menu {
    position: fixed;
    top: 68px;
    right: 0;
    left: 0;
    z-index: 1100;
    display: none !important;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    align-items: stretch;
    max-height: calc(100dvh - 68px);
    margin: 0;
    padding: 17px 16px 22px;
    overflow-y: auto;
    border-bottom: 1px solid var(--about-line);
    background: #fff;
    box-shadow: 0 18px 32px rgba(13, 65, 42, .15);
  }

  .about-site-header .nav-menu.open {
    display: grid !important;
  }

  .about-site-header .sub-mobile-menu-head {
    display: flex;
    grid-column: 1 / -1;
    align-items: center;
    justify-content: space-between;
    min-height: 38px;
    color: var(--about-ink);
  }

  .about-site-header .sub-mobile-menu-head button {
    width: 36px;
    height: 36px;
    border: 1px solid var(--about-line);
    border-radius: 7px;
    background: #fff;
    color: var(--about-ink);
    font-size: 24px;
    line-height: 1;
    cursor: pointer;
  }

  .about-site-header .nav-menu > a {
    min-height: 50px;
    justify-content: center;
    padding: 10px 8px;
    border: 1px solid var(--about-line);
    color: var(--about-ink-soft);
    font-size: 13px;
    text-align: center;
    white-space: normal;
  }

  .about-page .menu-overlay.open {
    position: fixed;
    inset: 68px 0 0;
    z-index: 1050;
    display: block;
    background: rgba(16, 42, 32, .4);
  }

  .about-shell {
    width: min(var(--about-max), calc(100% - 36px));
  }

  .about-hero-grid {
    grid-template-columns: 1fr;
    gap: 46px;
    padding-top: 67px;
    padding-bottom: 55px;
  }

  .about-hero h1 {
    font-size: clamp(43px, 11vw, 70px);
  }

  .about-hero-signal {
    padding: 25px 0 0;
    border-top: 1px solid var(--about-line-strong);
    border-left: 0;
  }

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

  .about-hero-facts > div {
    padding: 17px 15px 20px;
    border-bottom: 1px solid var(--about-line-strong);
  }

  .about-hero-facts > div:nth-child(odd) {
    padding-left: 0;
  }

  .about-hero-facts > div:nth-child(even) {
    padding-right: 0;
    border-right: 0;
  }

  .about-hero-facts > div:nth-last-child(-n + 2) {
    border-bottom: 0;
  }

  .about-role-grid,
  .about-scope-grid {
    grid-template-columns: 1fr;
  }

  .about-role,
  .about-scope-column {
    padding: 28px 0 30px;
  }

  .about-role + .about-role,
  .about-scope-column + .about-scope-column {
    padding: 30px 0 0;
    border-top: 1px solid var(--about-line-strong);
    border-left: 0;
  }

  .about-role-note {
    margin-top: 22px;
  }

  .about-service-map {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .about-route-list li {
    padding: 23px 18px 26px;
    border-bottom: 1px solid var(--about-line);
  }

  .about-route-list li:nth-child(2n) {
    padding-right: 0;
    border-right: 0;
  }

  .about-route-list li:nth-child(2n + 1) {
    padding-left: 0;
  }

  .about-route-list li:nth-last-child(-n + 2) {
    padding-bottom: 22px;
    border-bottom: 0;
  }

  .about-record {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-record-figure {
    max-width: 180px;
  }

  .about-record-thumb {
    width: 180px;
  }

  .about-record-fields {
    grid-template-columns: 1fr;
  }

  .about-record-fields > div,
  .about-record-fields > div:nth-child(even) {
    grid-template-columns: minmax(120px, .7fr) minmax(0, 1fr);
    padding: 14px 0;
    border-left: 0;
  }

  .about-record-fields > div:last-child {
    border-bottom: 0;
  }
}

@media (max-width: 560px) {
  .about-shell {
    width: min(var(--about-max), calc(100% - 30px));
  }

  .about-site-header {
    padding-inline: 12px;
  }

  .about-hero-grid {
    padding-top: 54px;
  }

  .about-hero-lead {
    margin-top: 21px;
    font-size: 15px;
    line-height: 1.72;
  }

  .about-hero h1,
  .about-hero-lead,
  .about-disclosure {
    word-break: break-all;
  }

  .about-site-header .hamburger {
    top: 12px;
    right: 12px;
  }

  .about-disclosure {
    margin-top: 18px;
    font-size: 11px;
  }

  .about-hero-actions {
    align-items: stretch;
    flex-direction: column;
    margin-top: 23px;
  }

  .about-button {
    width: 100%;
  }

  .signal-track {
    gap: 8px;
    font-size: clamp(20px, 7.5vw, 32px);
  }

  .signal-caption {
    font-size: 13px;
  }

  .about-hero-facts b {
    font-size: 16px;
  }

  .about-hero-facts span {
    font-size: 11px;
  }

  .about-section {
    padding: 66px 0;
  }

  .about-section-heading {
    margin-bottom: 33px;
  }

  .about-section-heading > p:last-child {
    font-size: 14px;
    line-height: 1.75;
  }

  .about-role h3,
  .about-network-row h3 {
    font-size: 23px;
  }

  .about-timeline::before {
    left: 57px;
  }

  .about-timeline li {
    grid-template-columns: 114px minmax(0, 1fr);
    gap: 18px;
  }

  .about-timeline li::before {
    left: 52px;
  }

  .about-timeline h3 {
    font-size: 18px;
  }

  .about-timeline p {
    font-size: 13px;
  }

  .about-network-row {
    grid-template-columns: 43px minmax(0, 1fr);
    gap: 13px;
    align-items: start;
  }

  .network-mark {
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .about-network-row .about-inline-link {
    grid-column: 2;
    justify-self: start;
    margin-top: -3px;
  }

  .about-billing-guide {
    padding: 23px 18px;
  }

  .about-route-list {
    grid-template-columns: 1fr;
  }

  .about-route-list li,
  .about-route-list li:nth-child(2n),
  .about-route-list li:nth-child(2n + 1) {
    padding: 20px 0;
    border-right: 0;
    border-bottom: 1px solid var(--about-line);
  }

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

  .about-route-list li > span {
    margin-bottom: 12px;
  }

  .about-faq-item summary {
    min-height: 63px;
    gap: 13px;
    font-size: 15px;
  }

  .about-faq-item > p {
    padding-right: 25px;
    font-size: 13px;
  }

  .about-record {
    padding-top: 26px;
  }

  .about-record-fields > div,
  .about-record-fields > div:nth-child(even) {
    grid-template-columns: 112px minmax(0, 1fr);
  }

  .about-final-cta {
    padding: 63px 0 94px;
  }

  .about-final-actions {
    align-items: stretch;
    flex-direction: column;
  }

}

@media (max-width: 380px) {
  .about-shell {
    width: min(var(--about-max), calc(100% - 24px));
  }

  .about-site-header .logo-text {
    font-size: 12px;
  }

  .about-site-header .hamburger {
    width: 40px;
    height: 40px;
    top: 10px;
    right: 12px;
  }

  .about-hero h1 {
    font-size: 40px;
  }

  .about-hero-facts > div {
    padding-top: 15px;
    padding-bottom: 17px;
  }

  .about-hero-facts b {
    font-size: 15px;
  }

  .about-hero-facts span {
    font-size: 10px;
  }

  .about-record-fields > div,
  .about-record-fields > div:nth-child(even) {
    grid-template-columns: 100px minmax(0, 1fr);
    gap: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .about-page *,
  .about-page *::before,
  .about-page *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}