.page-about {
  --arch-line: rgba(201, 164, 74, .46);
  --arch-panel: rgba(245, 240, 230, .08);
  --arch-mut: rgba(245, 240, 230, .76);
  max-width: 100%;
  overflow-x: hidden;
  background-color: var(--ivory);
  color: var(--ink);
  font-family: var(--serif);
  line-height: 1.7;
}

.page-about .container {
  width: min(100% - 40px, var(--w));
  margin-inline: auto;
}

.page-about .idx {
  display: inline-block;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .18em;
  line-height: 1;
  text-transform: uppercase;
  color: var(--red);
  border-bottom: 1px solid rgba(140, 47, 47, .3);
  padding-bottom: 4px;
}

.page-about .section-head {
  margin-bottom: 38px;
}

.page-about .section-title {
  margin: 12px 0 8px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.65rem, 4.2vw, 2.45rem);
  line-height: 1.25;
  letter-spacing: .02em;
  color: var(--green);
}

.page-about .section-sub {
  max-width: 720px;
  margin: 0;
  font-size: .98rem;
  line-height: 1.7;
  color: rgba(43, 43, 40, .68);
}

.page-about .about-hero {
  position: relative;
  padding: 40px 0 120px;
  color: var(--ivory);
  background:
    repeating-linear-gradient(115deg, transparent 0 18px, rgba(245, 240, 230, .025) 18px 19px),
    linear-gradient(120deg, var(--gray) 0%, var(--green) 72%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 3.25rem), 0 100%);
}

.page-about .breadcrumb {
  margin: 0;
  font-family: var(--mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--arch-mut);
}

.page-about .breadcrumb a {
  color: var(--glow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s var(--ease);
}

.page-about .breadcrumb a:hover {
  border-color: var(--gold);
}

.page-about .breadcrumb .sep {
  margin: 0 8px;
  opacity: .6;
}

.page-about .hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 44px;
  align-items: start;
}

.page-about .hero-copy .idx {
  color: var(--gold);
  border-color: rgba(201, 164, 74, .4);
}

.page-about .hero-copy h1 {
  margin: 16px 0 18px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: clamp(1.75rem, 5.2vw, 3.1rem);
  line-height: 1.2;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-about .hero-lead {
  margin: 0;
  max-width: 620px;
  font-size: 1.04rem;
  line-height: 1.75;
  color: var(--arch-mut);
}

.page-about .manifesto-card {
  margin-top: 28px;
  padding: 22px;
  border: 1px solid var(--arch-line);
  border-left: 3px solid var(--gold);
  background: var(--arch-panel);
}

.page-about .manifesto-card h2 {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: 1.28rem;
  letter-spacing: .03em;
  color: var(--glow);
}

.page-about .manifesto-card p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.7;
  color: var(--arch-mut);
}

.page-about .manifesto-list {
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  font-size: .92rem;
  color: var(--arch-mut);
}

.page-about .manifesto-list li {
  position: relative;
  padding-left: 20px;
}

.page-about .manifesto-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-about .manifesto-list strong {
  color: var(--ivory);
  font-family: var(--sans);
}

.page-about .hero-media {
  margin: 0;
  padding: 9px;
  border: 1px solid var(--arch-line);
  background: rgba(11, 61, 46, .35);
  clip-path: polygon(0 0, calc(100% - 2rem) 0, 100% 2rem, 100% 100%, 0 100%);
}

.page-about .hero-media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-about .hero-media figcaption {
  margin-top: 12px;
  font-family: var(--mono);
  font-size: .8rem;
  letter-spacing: .08em;
  color: var(--arch-mut);
}

.page-about .about-timeline {
  padding: 64px 0 56px;
}

.page-about .timeline-fig {
  margin: 0 0 40px;
  padding: 8px;
  border: 1px solid var(--arch-line);
  background: rgba(11, 61, 46, .04);
}

.page-about .timeline-fig img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: cover;
  object-position: center;
}

.page-about .timeline {
  position: relative;
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-about .timeline-item {
  position: relative;
}

.page-about .tl-year {
  display: inline-block;
  padding: 14px 0 6px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.8rem;
  line-height: 1;
  letter-spacing: .06em;
  color: var(--green);
}

.page-about .tl-card {
  margin: 0;
  padding: 20px;
  border-left: 3px solid var(--gold);
  border-radius: 0 12px 12px 0;
  background: rgba(255, 255, 255, .62);
  box-shadow: 0 2px 12px rgba(11, 61, 46, .05);
}

.page-about .tl-card summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.08rem;
  line-height: 1.4;
  color: var(--green);
}

.page-about .tl-card summary::-webkit-details-marker {
  display: none;
}

.page-about .tl-card summary::after {
  content: "+";
  float: right;
  font-family: var(--mono);
  font-weight: 400;
  color: var(--gold);
  transition: transform .25s var(--ease);
}

.page-about .tl-card[open] summary::after {
  transform: rotate(45deg);
}

.page-about .tl-card[open] {
  border-left-color: var(--red);
}

.page-about .tl-detail {
  padding-top: 10px;
}

.page-about .tl-detail p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.72;
  color: rgba(43, 43, 40, .75);
}

.page-about .about-data {
  padding: 72px 0 60px;
  color: var(--ivory);
  background:
    repeating-linear-gradient(0deg, transparent 0 42px, rgba(245, 240, 230, .02) 42px 43px),
    var(--green);
}

.page-about .about-data .section-title {
  color: var(--ivory);
}

.page-about .about-data .section-sub {
  color: var(--arch-mut);
}

.page-about .about-data .idx {
  color: var(--gold);
  border-color: rgba(201, 164, 74, .4);
}

.page-about .dl-grid {
  display: grid;
  gap: 14px;
}

.page-about .dl-item {
  position: relative;
  padding: 24px;
  border-top: 2px solid var(--gold);
  border-radius: 0 0 12px 12px;
  background: rgba(245, 240, 230, .09);
}

.page-about .dl-highlight {
  border-top-color: var(--clay);
  background: rgba(198, 125, 94, .14);
}

.page-about .dl-num {
  display: block;
  margin-bottom: 10px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: clamp(2.2rem, 5vw, 3rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--gold);
}

.page-about .dl-highlight .dl-num {
  color: var(--clay);
}

.page-about .dl-item h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: .02em;
  color: var(--ivory);
}

.page-about .dl-item p {
  margin: 0;
  font-size: .92rem;
  line-height: 1.65;
  color: var(--arch-mut);
}

.page-about .flow-panel {
  display: grid;
  gap: 26px;
  margin-top: 44px;
  padding: 26px;
  border: 1px solid rgba(201, 164, 74, .3);
  border-radius: 0 18px 18px 18px;
  background: rgba(11, 61, 46, .32);
}

.page-about .flow-copy h3 {
  margin: 0 0 12px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--glow);
}

.page-about .flow-copy p {
  margin: 0 0 12px;
  font-size: .95rem;
  line-height: 1.72;
  color: var(--arch-mut);
}

.page-about .flow-note a {
  color: var(--gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 164, 74, .4);
}

.page-about .flow-note a:hover {
  border-color: var(--gold);
}

.page-about .flow-media {
  margin: 0;
  border: 1px solid var(--arch-line);
  padding: 7px;
  background: rgba(11, 61, 46, .4);
}

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

.page-about .about-team {
  padding: 64px 0;
  background: linear-gradient(180deg, rgba(11, 61, 46, 0), rgba(11, 61, 46, .045) 40%, rgba(11, 61, 46, .07));
}

.page-about .team-grid {
  display: grid;
  gap: 18px;
}

.page-about .team-card {
  position: relative;
  padding: 26px;
  border: 1px solid rgba(11, 61, 46, .13);
  border-radius: 4px 18px 4px 18px;
  background: rgba(255, 255, 255, .55);
  box-shadow: 0 4px 18px rgba(11, 61, 46, .04);
}

.page-about .team-icon {
  display: block;
  width: 54px;
  height: 54px;
  margin-bottom: 18px;
  color: var(--gold);
}

.page-about .team-card h3 {
  margin: 0 0 10px;
  font-family: var(--sans);
  font-weight: 900;
  font-size: 1.22rem;
  letter-spacing: .02em;
  color: var(--green);
}

.page-about .team-card p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.72;
  color: rgba(43, 43, 40, .74);
}

.page-about .team-card a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 47, 47, .3);
}

.page-about .team-card a:hover {
  border-color: var(--red);
}

.page-about .about-cred {
  padding: 8px 0 56px;
}

.page-about .cred-grid {
  display: grid;
  gap: 16px;
}

.page-about .cred-item {
  position: relative;
  min-height: 128px;
  padding: 24px 20px 20px 82px;
  border: 1px solid rgba(11, 61, 46, .12);
  background: rgba(255, 255, 255, .5);
}

.page-about .cred-num {
  position: absolute;
  left: 22px;
  top: 26px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.5rem;
  line-height: 1;
  color: var(--red);
}

.page-about .cred-item h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-weight: 700;
  font-size: 1.1rem;
  letter-spacing: .02em;
  color: var(--green);
}

.page-about .cred-item p {
  margin: 0;
  font-size: .94rem;
  line-height: 1.7;
  color: rgba(43, 43, 40, .72);
}

.page-about .about-notice {
  width: min(100% - 40px, var(--w));
  margin: 16px auto 72px;
  padding: 22px 26px;
  border-left: 4px solid var(--red);
  background: rgba(140, 47, 47, .07);
}

.page-about .about-notice .container {
  width: auto;
  padding: 0;
  margin: 0;
}

.page-about .notice-mark {
  margin: 0 0 6px;
  font-family: var(--mono);
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--red);
}

.page-about .about-notice p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.72;
  color: rgba(43, 43, 40, .76);
}

.page-about .about-notice a {
  color: var(--red);
  text-decoration: none;
  border-bottom: 1px solid rgba(140, 47, 47, .3);
}

.page-about .about-notice a:hover {
  border-color: var(--red);
}

@media (min-width: 768px) {
  .page-about .dl-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .page-about .cred-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .page-about .team-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .page-about .team-feature {
    transform: translateY(-12px);
  }
}

@media (min-width: 960px) {
  .page-about .hero-grid {
    grid-template-columns: 1.05fr .9fr;
    gap: 48px;
    align-items: center;
  }

  .page-about .about-hero {
    padding: 48px 0 148px;
  }

  .page-about .timeline-item {
    display: grid;
    grid-template-columns: 220px 1fr;
    column-gap: 0;
  }

  .page-about .timeline {
    gap: 0;
  }

  .page-about .timeline::before {
    content: "";
    position: absolute;
    left: 212px;
    top: 18px;
    bottom: 18px;
    width: 2px;
    background: linear-gradient(to bottom, var(--gold), rgba(201, 164, 74, .12));
  }

  .page-about .tl-year {
    justify-self: end;
    padding: 24px 26px 24px 0;
  }

  .page-about .tl-card {
    margin-bottom: 30px;
    margin-left: 0;
  }

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

  .page-about .flow-panel {
    grid-template-columns: 1fr 1.05fr;
    gap: 40px;
    align-items: center;
  }
}