.page-about {
  --about-w: 60%;
  --about-shadow: 6px 6px 0 var(--ink);
  background: var(--paper);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-about .about-wrap {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-about .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- breadcrumb ---------- */
.page-about .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 24px 0 0;
  font-size: 0.8rem;
  letter-spacing: 0.05em;
}

.page-about .breadcrumb__item {
  color: var(--text);
  text-decoration: none;
}

.page-about .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-about .breadcrumb__item[aria-current="page"] {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- hero ---------- */
.page-about .about-hero {
  padding: 32px 0 40px;
}

.page-about .about-hero__kicker {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-about .about-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(2.1rem, 8.5vw, 4.6rem);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--ink);
  max-width: 18ch;
}

.page-about .about-hero__lede {
  margin-top: 20px;
  max-width: 64ch;
  font-size: 1.02rem;
}

.page-about .about-hero__facts {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
  margin: 34px 0 0;
  padding: 0;
}

.page-about .fact {
  padding-left: 12px;
  border-left: 4px solid var(--orange);
}

.page-about .fact__label {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--text);
}

.page-about .fact__num {
  margin: 2px 0 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--ink);
}

/* ---------- section shell ---------- */
.page-about .about-sec {
  padding: 56px 0;
}

.page-about .about-sec--white {
  background: var(--white);
}

.page-about .about-sec--ink {
  background: var(--ink);
  color: #b9c4dc;
}

.page-about .about-sec__rule {
  display: block;
  height: 6px;
  width: 100%;
  background: var(--grad-warm);
}

.page-about .about-sec__head {
  display: grid;
  gap: 10px;
  margin-top: 22px;
}

.page-about .about-sec__no {
  font-size: 0.92rem;
  letter-spacing: 0.16em;
  color: var(--orange);
}

.page-about .about-sec__title {
  margin: 4px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.55rem, 5.4vw, 2.6rem);
  line-height: 1.2;
  color: var(--ink);
}

.page-about .about-sec__lede {
  margin-top: 12px;
  max-width: 66ch;
}

.page-about .about-sec--ink .about-sec__title {
  color: var(--white);
}

.page-about .about-sec--ink .about-sec__lede {
  color: #b9c4dc;
}

/* ---------- media ---------- */
.page-about .about-media {
  margin: 30px 0 0;
}

.page-about .about-media .media__frame {
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--about-shadow);
  overflow: hidden;
  background: var(--paper);
}

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

.page-about .about-media .media__caption {
  margin-top: 12px;
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

/* ---------- 01 origin ---------- */
.page-about .origin-grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-about .note-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 16px;
}

.page-about .note-list li {
  position: relative;
  padding-left: 26px;
  border-bottom: 2px solid var(--line);
  padding-bottom: 16px;
}

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

.page-about .note-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--mint);
  border: 2px solid var(--ink);
}

.page-about .note-card {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--about-shadow);
  padding: 22px 20px;
}

.page-about .note-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.12rem;
  color: var(--ink);
}

.page-about .note-card__text {
  margin: 0;
  font-size: 0.96rem;
}

/* ---------- 02 team ---------- */
.page-about .team-grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-about .team-card {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--about-shadow);
  padding: 22px 20px 24px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .team-card:hover,
.page-about .team-card:focus-within {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--ink);
  border-color: var(--orange);
}

.page-about .team-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-about .team-card__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  font-size: 0.82rem;
  color: var(--white);
  background: var(--ink);
  border-radius: 6px;
}

.page-about .team-card__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.18rem;
  color: var(--ink);
}

.page-about .team-card__count {
  margin: 14px 0 8px;
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
  color: var(--orange);
}

.page-about .team-card__countunit {
  font-size: 0.9rem;
  letter-spacing: 0.04em;
  color: var(--text);
}

.page-about .team-card__text {
  margin: 0;
  font-size: 0.96rem;
}

.page-about .team-card__list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
  font-size: 0.9rem;
}

.page-about .team-card__list li {
  padding-left: 18px;
  position: relative;
}

.page-about .team-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 03 timeline ---------- */
.page-about .yearbook {
  display: grid;
  gap: 26px;
  margin-top: 30px;
}

.page-about .yearbook__aside .about-media {
  margin-top: 0;
}

.page-about .spine {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 18px;
}

.page-about .spine__bar {
  flex: 1 1 auto;
  height: 6px;
  background: var(--ink);
  border-radius: 3px;
}

.page-about .spine__label {
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--ink);
}

.page-about .tl {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .tl__item {
  position: relative;
  padding: 0 0 26px 26px;
}

.page-about .tl__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  bottom: 0;
  width: 3px;
  background: var(--line);
}

.page-about .tl__item:last-child::before {
  bottom: auto;
  height: 26px;
}

.page-about .tl__mark {
  position: absolute;
  left: -6px;
  top: 12px;
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--mint);
  border: 3px solid var(--paper);
  box-shadow: 0 0 0 2px var(--ink);
}

.page-about .tl__year {
  margin: 0 0 4px;
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-about .tl__body {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  padding: 16px 18px;
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .tl__item:hover .tl__body {
  transform: translateY(-2px);
  box-shadow: 1px 1px 0 var(--ink);
  border-color: var(--orange);
}

.page-about .tl__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--ink);
}

.page-about .tl__text {
  margin: 0;
  font-size: 0.95rem;
}

/* ---------- 04 coverage ---------- */
.page-about .cover-stack {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-about .cover-panel {
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--about-shadow);
  overflow: hidden;
}

.page-about .cover-panel__tab {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  background: var(--paper);
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1rem;
  color: var(--ink);
}

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

.page-about .cover-panel[open] .cover-panel__tab {
  background: var(--grad-warm);
  color: var(--white);
}

.page-about .cover-panel__tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 6px;
  font-size: 0.8rem;
  background: var(--ink);
  color: var(--white);
}

.page-about .cover-panel[open] .cover-panel__tag {
  background: var(--white);
  color: var(--coral);
}

.page-about .cover-panel__body {
  padding: 20px 18px 22px;
}

.page-about .cover-panel__text {
  margin: 16px 0 0;
  font-size: 0.96rem;
}

.page-about .dotmap {
  height: 150px;
  border-radius: 10px;
  border: 2px solid var(--line);
  background-color: var(--paper);
  background-image: radial-gradient(var(--ink) 1.6px, transparent 1.7px);
  background-size: 16px 16px;
}

.page-about .meter {
  margin-bottom: 18px;
}

.page-about .meter__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-about .meter__label {
  font-weight: 700;
  font-size: 0.94rem;
  color: var(--ink);
}

.page-about .meter__val {
  font-weight: 700;
  color: var(--orange);
}

.page-about .meter__track {
  margin-top: 6px;
  height: 12px;
  border: 2px solid var(--ink);
  border-radius: 999px;
  background: var(--paper);
  overflow: hidden;
}

.page-about .meter__fill {
  display: block;
  height: 100%;
  width: var(--about-w, 60%);
  background: var(--grad-warm);
}

.page-about .statline {
  margin: 6px 0 0;
  font-size: 0.9rem;
  color: var(--text);
}

.page-about .statline strong {
  color: var(--ink);
}

/* ---------- 05 process ---------- */
.page-about .steps {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-about .step {
  background: var(--white);
  border: 2px solid var(--ink);
  border-top: 6px solid var(--ink-2);
  border-radius: var(--radius);
  padding: 16px 18px 18px;
  transition: border-color 0.18s var(--ease), transform 0.18s var(--ease);
}

.page-about .step:hover {
  border-color: var(--orange);
  border-top-color: var(--orange);
  transform: translateY(-2px);
}

.page-about .step--focus {
  background: var(--grad-warm);
  border-color: var(--coral);
  border-top-color: var(--coral);
  color: #ffe9e0;
}

.page-about .step__no {
  margin: 0;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-about .step--focus .step__no {
  color: var(--white);
}

.page-about .step__title {
  margin: 6px 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.06rem;
  color: var(--ink);
}

.page-about .step--focus .step__title {
  color: var(--white);
}

.page-about .step__text {
  margin: 0;
  font-size: 0.93rem;
}

.page-about .step__out {
  margin: 14px 0 0;
  padding-top: 10px;
  border-top: 2px dashed var(--line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-about .step--focus .step__out {
  border-top-color: rgba(255, 255, 255, 0.5);
  color: #ffe9e0;
}

.page-about .process-note {
  margin: 24px 0 0;
  padding: 16px 18px;
  border-left: 6px solid var(--mint);
  background: var(--white);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.95rem;
  color: var(--ink);
}

/* ---------- 06 credentials ---------- */
.page-about .cred-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about .cred-card {
  background: var(--ink-2);
  border: 2px solid #35496f;
  border-radius: var(--radius);
  padding: 20px 18px 22px;
}

.page-about .cred-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.08rem;
  color: var(--white);
}

.page-about .cred-card__title::before {
  content: "";
  display: inline-block;
  width: 10px;
  height: 10px;
  margin-right: 10px;
  border-radius: 50%;
  background: var(--mint);
}

.page-about .cred-card__text {
  margin: 0;
  font-size: 0.95rem;
  color: #c6d0e6;
}

/* ---------- 07 next ---------- */
.page-about .next-grid {
  display: grid;
  gap: 16px;
  margin-top: 28px;
}

.page-about .next-card {
  display: block;
  text-decoration: none;
  background: var(--white);
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  box-shadow: var(--about-shadow);
  padding: 22px 20px;
  transition: transform 0.18s var(--ease), box-shadow 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-about .next-card:hover,
.page-about .next-card:focus {
  transform: translateY(-2px);
  box-shadow: 2px 2px 0 var(--ink);
  border-color: var(--orange);
}

.page-about .next-card__title {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 1.14rem;
  color: var(--ink);
}

.page-about .next-card__text {
  margin: 0;
  font-size: 0.94rem;
  color: var(--text);
}

.page-about .next-card__go {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--coral);
}

.page-about .next-foot {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 2px solid var(--line);
  font-size: 0.94rem;
}

.page-about .next-foot a {
  color: var(--ink);
  font-weight: 700;
  text-decoration: underline;
  text-decoration-thickness: 3px;
  text-decoration-color: var(--orange);
  text-underline-offset: 3px;
}

.page-about .next-foot a:hover {
  color: var(--coral);
}

.page-about a:focus-visible {
  outline: 3px solid var(--mint);
  outline-offset: 3px;
}

/* ---------- tablet ---------- */
@media (min-width: 720px) {
  .page-about .about-hero__facts {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-about .about-sec__head {
    grid-template-columns: 84px minmax(0, 1fr);
    gap: 20px;
  }

  .page-about .about-sec__no {
    padding-top: 8px;
  }

  .page-about .origin-grid {
    grid-template-columns: 1.15fr 0.85fr;
    align-items: start;
  }

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

  .page-about .team-card--wide {
    grid-column: span 2;
  }

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

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

  .page-about .cred-card--wide {
    grid-column: span 2;
  }

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

  .page-about .dotmap {
    height: 180px;
  }
}

/* ---------- desktop ---------- */
@media (min-width: 1024px) {
  .page-about .about-hero {
    padding: 56px 0 64px;
  }

  .page-about .about-hero__lede {
    font-size: 1.08rem;
  }

  .page-about .about-sec {
    padding: 88px 0;
  }

  .page-about .about-sec__head {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 32px;
    margin-top: 26px;
  }

  .page-about .team-grid {
    grid-template-columns: 0.95fr 1.25fr 0.9fr;
    gap: 20px;
    align-items: start;
  }

  .page-about .team-card--wide {
    grid-column: auto;
  }

  .page-about .team-card--slim {
    margin-top: 26px;
  }

  .page-about .yearbook {
    grid-template-columns: 300px minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }

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

  .page-about .tl__item {
    padding-left: 30px;
    padding-bottom: 30px;
  }

  .page-about .tl__mark {
    left: -7px;
  }

  .page-about .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 12px;
  }

  .page-about .dotmap {
    height: 200px;
  }

  .page-about .next-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}