.page-about {
  --aside-width: 80px;
  display: flex;
  flex-direction: column;
  min-height: 60vh;
  position: relative;
}
.about-aside {
  background: var(--color-primary);
  color: var(--color-white);
  writing-mode: horizontal-tb;
  padding: 0.5em 1em;
  text-align: center;
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 900;
  letter-spacing: 0.1em;
  font-size: 1rem;
}
.about-content {
  flex: 1;
  padding: 2rem 1rem;
  max-width: var(--site-max-width);
  margin: 0 auto;
  width: 100%;
}
.about-breadcrumb {
  margin-bottom: 2rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--color-silver);
}
.about-breadcrumb a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.about-breadcrumb a:hover,
.about-breadcrumb a:focus-visible {
  color: var(--color-accent);
}
.about-breadcrumb .breadcrumb-sep {
  margin: 0 0.5em;
  color: var(--color-silver);
}
.about-section {
  margin-bottom: 4rem;
}
.about-section h1,
.about-section h2 {
  font-family: var(--font-heading);
  font-style: italic;
  font-weight: 900;
  color: var(--color-primary);
  margin-bottom: 1rem;
}
.about-section h1 {
  font-size: 2.5rem;
}
.about-section h2 {
  font-size: 2rem;
}
.about-mission {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}
.about-mission-text {
  order: 1;
}
.about-mission-visual {
  order: 2;
}
.about-mission-visual img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.1);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}
.about-mission-visual img:hover {
  transform: scale(1.02);
  box-shadow: 0 8px 30px rgba(0,0,0,0.15);
}
.about-service {
  background: linear-gradient(135deg, var(--color-light) 0%, var(--color-white) 100%);
  padding: 2rem;
  border-radius: 12px;
  position: relative;
  overflow: hidden;
}
.about-service::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, var(--color-silver) 10px, var(--color-silver) 11px);
  opacity: 0.05;
  pointer-events: none;
}
.about-service-inner {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.about-service-text {
  flex: 2;
}
.about-service-image {
  flex: 1;
}
.about-service-image img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  transition: filter var(--transition-fast), transform var(--transition-fast);
}
.about-service-image img:hover {
  filter: brightness(1.1) saturate(1.2);
  transform: scale(1.01);
}
.about-benefits {
  background-color: var(--color-white);
  border: 2px solid var(--color-primary);
  padding: 2rem;
  border-radius: 12px;
  position: relative;
}
.about-benefits::after {
  content: '';
  position: absolute;
  bottom: 0;
  right: 0;
  width: 80px;
  height: 80px;
  background: var(--color-accent);
  clip-path: polygon(100% 0, 0 100%, 100% 100%);
  opacity: 0.3;
}
.about-benefits-inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.about-benefits-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.about-benefits-list li {
  font-family: var(--font-body);
  font-weight: 400;
  padding: 0.75rem 1rem;
  background: var(--color-light);
  border-left: 4px solid var(--color-accent);
  transition: background var(--transition-fast), transform var(--transition-fast), color var(--transition-fast);
}
.about-benefits-list li:hover,
.about-benefits-list li:focus-within {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateX(4px);
}
.about-benefits-icon {
  text-align: center;
}
.about-benefits-icon img {
  max-width: 100%;
  height: auto;
  border-radius: 4px;
}
.about-benefits-cta {
  margin-top: 2rem;
  font-family: var(--font-body);
}
.about-benefits-cta a {
  color: var(--color-accent);
  font-weight: bold;
  text-decoration: underline;
  transition: color var(--transition-fast);
}
.about-benefits-cta a:hover {
  color: var(--color-primary);
}
@media (min-width: 768px) {
  .page-about {
    flex-direction: row;
    align-items: stretch;
  }
  .about-aside {
    width: var(--aside-width);
    min-height: 80vh;
    position: sticky;
    top: 0;
    writing-mode: vertical-rl;
    text-orientation: mixed;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    padding: 1em 0.5em;
    font-size: 1.25rem;
  }
  .about-content {
    padding: 3rem 3rem 3rem 2rem;
    max-width: calc(var(--site-max-width) - var(--aside-width));
  }
  .about-mission {
    flex-direction: row;
    align-items: center;
  }
  .about-mission-text {
    flex: 1;
    order: 1;
    margin-right: 2rem;
  }
  .about-mission-visual {
    flex: 1;
    order: 2;
    transform: rotate(2deg) scale(0.95);
  }
  .about-service-inner {
    flex-direction: row;
  }
  .about-benefits-inner {
    flex-direction: row;
    align-items: flex-start;
  }
  .about-benefits-list {
    flex: 2;
    grid-template-columns: 1fr 1fr;
  }
  .about-benefits-icon {
    flex: 1;
    padding-left: 1rem;
  }
}
@media (max-width: 767px) {
  .about-breadcrumb {
    font-size: 0.75rem;
  }
  .about-section h1 {
    font-size: 2rem;
  }
  .about-section h2 {
    font-size: 1.5rem;
  }
  .about-benefits-list {
    grid-template-columns: 1fr;
  }
}