.page-about {
  --about-green: #1A3C34;
  --about-green-mid: #4A7C6F;
  --about-gold: #D4AF37;
  --about-gold-muted: #C9A84C;
  --about-red: #8B0000;
  --about-paper: #F5F0E6;
  --about-white: #FFFFFF;
  --about-ink: #1F1F1F;
  --about-border: #D8CDB2;
  background-color: var(--about-paper);
  color: var(--about-ink);
  overflow-x: hidden;
}

.page-about .slash-label {
  color: var(--about-gold-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
}

.page-about .mission-block {
  position: relative;
  display: grid;
  gap: 36px;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 44px var(--container-padding) 64px;
  background-image: radial-gradient(circle, rgba(26, 60, 52, 0.08) 1px, transparent 1px);
  background-size: 26px 26px;
}

.page-about .mission-copy h1 {
  font-size: 28px;
  line-height: 1.3;
  margin: 18px 0 16px;
  color: var(--about-ink);
}

.page-about .mission-copy p {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.85;
  color: #4a4a4a;
  margin: 0 0 14px;
}

.page-about .mission-lead {
  font-size: 17px;
  font-weight: 600;
  color: var(--about-green);
}

.page-about .mission-points {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 2px solid var(--about-gold-muted);
}

.page-about .mission-points li {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--about-border);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
}

.page-about .mission-points li::before {
  content: "→";
  flex: 0 0 auto;
  color: var(--about-red);
  font-weight: 700;
}

.page-about .mission-figure {
  position: relative;
  margin: 0;
  padding: 14px;
  background: var(--about-green);
  box-shadow: var(--shadow-card);
}

.page-about .mission-figure::after {
  content: "";
  position: absolute;
  right: -10px;
  bottom: -10px;
  width: 44px;
  height: 44px;
  border-right: 3px solid var(--about-gold);
  border-bottom: 3px solid var(--about-gold);
}

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

.page-about .mission-figure figcaption {
  padding: 12px 4px 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: #e5dfcf;
}

.page-about .update-stamp {
  border-top: 2px solid var(--about-gold);
  border-bottom: 2px solid var(--about-gold);
  background: rgba(212, 175, 55, 0.14);
}

.page-about .update-stamp p {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 22px var(--container-padding);
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: var(--about-ink);
  font-weight: 500;
}

.page-about .capability-strip {
  background: var(--about-green);
  color: var(--about-paper);
}

.page-about .strip-inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 56px var(--container-padding);
}

.page-about .strip-heading p {
  margin: 12px 0 28px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.72);
}

.page-about .strip-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin: 0;
}

.page-about .stat-card {
  margin: 0;
  padding: 18px;
  background: rgba(245, 240, 230, 0.06);
  border-left: 3px solid var(--about-gold);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 16px 100%, 0 calc(100% - 16px));
}

.page-about .stat-card dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: rgba(245, 240, 230, 0.62);
}

.page-about .stat-value {
  margin: 10px 0 0;
  font-size: 32px;
  font-weight: 900;
  line-height: 1;
  color: var(--about-gold);
}

.page-about .timeline-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 72px var(--container-padding) 64px;
  background-image: radial-gradient(circle, rgba(26, 60, 52, 0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}

.page-about .section-heading h2 {
  margin: 12px 0 12px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--about-ink);
}

.page-about .section-heading h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background: var(--about-gold);
  margin-top: 12px;
}

.page-about .section-heading > p {
  max-width: 660px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: #5a5a5a;
}

.page-about .timeline-list {
  list-style: none;
  margin: 44px 0 0;
  padding: 0;
  position: relative;
}

.page-about .timeline-list::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 16px;
  width: 3px;
  background: linear-gradient(to bottom, var(--about-gold), var(--about-green-mid));
}

.page-about .timeline-item {
  position: relative;
  box-sizing: border-box;
  padding-left: 56px;
  padding-bottom: 44px;
}

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

.page-about .timeline-node {
  position: absolute;
  top: 4px;
  left: 6px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--about-paper);
  border: 3px solid var(--about-gold);
  box-shadow: 0 0 0 4px rgba(212, 175, 55, 0.18);
}

.page-about .timeline-card {
  background: var(--about-white);
  border: 1px solid var(--about-border);
  border-left: 4px solid var(--about-gold);
  padding: 18px;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.2s ease;
}

.page-about .timeline-card:hover {
  box-shadow: var(--shadow-card-hover);
}

.page-about .timeline-card h3 {
  margin: 8px 0 10px;
  font-size: 20px;
  line-height: 1.3;
  color: var(--about-ink);
}

.page-about .timeline-card p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: #4a4a4a;
}

.page-about .timeline-figure {
  margin: 14px 0 0;
}

.page-about .timeline-figure img {
  display: block;
  width: 100px;
  height: 100px;
  object-fit: cover;
  border-radius: 50%;
  border: 2px solid var(--about-gold-muted);
}

.page-about .capability-section {
  background: var(--about-green);
  color: var(--about-paper);
  padding: 72px 0;
}

.page-about .capability-copy,
.page-about .capability-grid,
.page-about .capability-figure {
  max-width: var(--container-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.page-about .capability-copy h2 {
  margin: 12px 0 12px;
  font-size: 30px;
  line-height: 1.2;
  color: var(--about-white);
}

.page-about .capability-copy h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  background: var(--about-gold);
  margin-top: 12px;
}

.page-about .capability-copy p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.8;
  color: rgba(245, 240, 230, 0.7);
}

.page-about .capability-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 28px;
}

.page-about .capability-card {
  background: rgba(245, 240, 230, 0.06);
  border-top: 3px solid var(--about-gold);
  padding: 18px;
}

.page-about .capability-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.3;
  color: var(--about-gold);
}

.page-about .capability-card p {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 240, 230, 0.85);
}

.page-about .capability-figure {
  margin-top: 24px;
}

.page-about .capability-figure img {
  display: block;
  width: 100%;
  height: auto;
  border: 2px solid var(--about-gold-muted);
}

.page-about .capability-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: rgba(245, 240, 230, 0.6);
}

.page-about .guarantee-section {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 72px var(--container-padding) 80px;
}

.page-about .guarantee-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 32px;
}

.page-about .guarantee-card {
  background: var(--about-white);
  border: 1px solid var(--about-border);
  padding: 22px;
  box-shadow: var(--shadow-card);
}

.page-about .guarantee-card h3 {
  margin: 0 0 10px;
  padding-left: 14px;
  border-left: 3px solid var(--about-red);
  font-size: 16px;
  line-height: 1.3;
  color: var(--about-ink);
}

.page-about .guarantee-card p {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.75;
  color: #4a4a4a;
}

.page-about .contact-line {
  color: var(--about-green);
  font-weight: 700;
}

.page-about .guarantee-note {
  background: var(--about-green);
  color: var(--about-paper);
  border-left: 4px solid var(--about-gold);
  padding: 24px;
  margin-top: 32px;
}

.page-about .guarantee-note p {
  margin: 0 0 18px;
  max-width: 760px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.9;
}

.page-about .guarantee-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-about .guarantee-cta,
.page-about .guarantee-cta-secondary {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  text-decoration: none;
  border: 1px solid var(--about-gold);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.page-about .guarantee-cta {
  background: transparent;
  color: var(--about-gold);
}

.page-about .guarantee-cta:hover {
  background: rgba(212, 175, 55, 0.12);
}

.page-about .guarantee-cta-secondary {
  background: var(--about-gold);
  color: var(--about-green);
}

.page-about .guarantee-cta-secondary:hover {
  background: var(--about-gold-muted);
}

.page-about .js-reveal {
  transition: opacity 0.5s ease, transform 0.5s ease;
}

.page-about .js-reveal[data-reveal-hidden] {
  opacity: 0;
  transform: translateY(24px);
}

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

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

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

@media (min-width: 900px) {
  .page-about .mission-block {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-about .mission-copy h1 {
    font-size: 36px;
  }

  .page-about .timeline-section {
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .page-about .capability-section {
    padding: 96px 0;
  }

  .page-about .capability-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 18px;
  }

  .page-about .capability-figure img {
    max-width: 860px;
    margin-left: auto;
    margin-right: 0;
  }

  .page-about .guarantee-section {
    padding-top: 88px;
    padding-bottom: 96px;
  }

  .page-about .timeline-list::before {
    left: 50%;
  }

  .page-about .timeline-item {
    width: 50%;
    padding-left: 0;
    padding-right: 60px;
  }

  .page-about .timeline-item:nth-child(even) {
    margin-left: 50%;
    padding-left: 60px;
    padding-right: 0;
  }

  .page-about .timeline-node {
    left: auto;
    right: -10px;
  }

  .page-about .timeline-item:nth-child(even) .timeline-node {
    right: auto;
    left: -10px;
  }
}