.history-hero {
  position: relative;
  min-height: clamp(540px, 75vh, 760px);
  display: flex;
  align-items: center;
  padding: clamp(7rem, 14vh, 10rem) 5% clamp(5rem, 8vh, 7rem);
  background: #f5f6f8;
  overflow: hidden;
}
.history-hero-inner {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 3fr 2fr;
  gap: clamp(3rem, 6vw, 7rem);
  align-items: end;
}
.block-line-wrapper {
  position: relative;
  display: block;
}
.block-line {
  position: relative;
  display: block;
}
.block-revealer {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  will-change: transform;
  z-index: 1;
}
.page-section-split {
  background: #f5f6f8;
  padding: clamp(5rem, 10vh, 8rem) 5%;
}
.page-section-split__inner {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(3rem, 8vw, 8rem);
  align-items: start;
}
.page-section-split__label {
  font-family: "Courier New", "Courier", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: #6b6560;
  margin: 0 0 1.75rem;
}
.page-section-split__heading {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 400;
  color: #2a2520;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin: 0;
}
.page-section-split__right p {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.85;
  color: #4a4540;
  margin: 0 0 1.5rem;
}
.history-hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 4.25rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: #111111;
  margin: 0;
}
.history-hero-sub {
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 1.2vw, 1.05rem);
  line-height: 1.85;
  color: #777777;
  margin: 0;
}
.material-section {
  background: #f5f6f8;
  padding: clamp(4rem, 8vh, 6.5rem) 5%;
}
.material-inner {
  max-width: 1200px;
  margin: 0 auto;
}
.material-group {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 2.4fr);
  gap: clamp(2rem, 5vw, 5rem);
  padding: clamp(2rem, 4vw, 3rem) 0;
  border-top: 1px solid #dfe1e5;
}
.material-group:first-child {
  padding-top: 0;
  border-top: 0;
}
.material-group__label {
  margin: 0 0 0.75rem;
  font-family: "Courier New", "Courier", monospace;
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: #6b6560;
}
.material-group__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.85rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: #2a2520;
}
.material-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}
.material-card {
  padding: 1rem 1.15rem;
  border: 1px solid #dfe1e5;
  border-radius: 10px;
  transition: border-color 0.2s ease;
}
.material-card:hover {
  border-color: var(--brand);
}
.material-card__title {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.35;
  color: #111111;
}
.material-card__title i {
  width: 1.1rem;
  font-size: 0.9rem;
  text-align: center;
  color: var(--brand);
}
.material-card__desc {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.9rem;
  line-height: 1.6;
  color: #4a4540;
}
.material-warning {
  margin-top: 2.5rem;
  background: var(--brand-soft);
  border-left: 3px solid var(--brand);
  border-radius: 0 8px 8px 0;
  padding: 1.25rem 1.5rem;
}
.material-warning__title {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--brand);
}
.material-warning__text {
  margin: 0;
  font-family: var(--font-body);
  font-size: 0.95rem;
  line-height: 1.65;
  color: #4a4540;
}
.material-warning__text strong {
  color: #111111;
}
.material-warning__text a {
  color: var(--brand);
  font-weight: 600;
}
.material-note {
  margin: 1rem 0 0;
  font-family: var(--font-body);
  font-size: 0.88rem;
  color: #6b7280;
}
@media (max-width: 1000px) {
  .material-group {
    grid-template-columns: 1fr;
    gap: 1.25rem;
  }
}
@media (max-width: 700px) {
  .history-hero-inner,
  .page-section-split__inner {
    grid-template-columns: 1fr;
  }
  .material-grid {
    grid-template-columns: 1fr;
  }
}