/*案1の色・余白・タイポグラフィを引き継ぎ、実証実験の問いを一覧で見せる。*/
.validation {
  background: #eef1e9;
}

.validation__grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  align-items: start;
  gap: 90px;
}

.validation__intro {
  max-width: 460px;
  margin: 24px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
}

.partner-card p.partner-card__benefit {
  max-width: 430px;
  margin: 18px 0 10px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.7;
}

.validation__list {
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.validation__item {
  display: grid;
  grid-template-columns: 42px minmax(90px, 0.45fr) minmax(0, 1fr);
  align-items: baseline;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line);
}

.validation__number {
  color: #638267;
  font-size: 12px;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.validation__item h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
}

.validation__item p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.9;
}

.validation__note {
  margin: 16px 0 0;
  color: var(--ink-soft);
  font-size: 12px;
}

/* Keep the inherited composition while bringing small supporting text to AA contrast. */
.concept-validation .hero__note {
  color: #5d6b62;
}

.concept-validation .visual__title,
.concept-validation .visual__caption {
  color: #4e6753;
}

.concept-validation .visual__number {
  color: #52635a;
  opacity: 1;
}

.concept-validation .visual__card--employee .visual__number {
  color: #d5e0d5;
}

.concept-validation .section-label:not(.section-label--light),
.concept-validation .step__number,
.validation__number {
  color: #4e6753;
}

.concept-validation .steps__arrow {
  color: #526b56;
}

@media (max-width: 980px) {
  .validation__grid {
    gap: 50px;
  }
}

@media (max-width: 720px) {
  .validation__grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .validation__item {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 4px 12px;
    padding: 19px 0;
  }

  .validation__number {
    grid-row: span 2;
    align-self: start;
    padding-top: 2px;
  }

  .validation__item p {
    grid-column: 2;
  }
}