/*
 * 導入事例ページ 2026-10 追加:「この事例の柱」と「同じ柱の事例」
 * - 「関連する事例」の直前に置く。柱は事例の「課題解決」の項目から決めている（各ページのコメント参照）
 * - 柱は /benefits/#pillar-* へ。文字組みは /benefits/ と同じ基準（assets/css/benefits-v2.css 冒頭の表）
 * - 変更したら、読み込んでいる事例ページ（16ページ）の ?v= を上げる
 */

.p-casePillar {
  padding: 40px 20px;
  background: #f9ffeb;
}
.p-casePillar__inner {
  max-width: 1100px;
  margin: 0 auto;
}
.p-casePillar__label,
.p-casePillar__subhead {
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
  color: #1d3d36;
}
.p-casePillar__subhead {
  margin-top: 3.2rem;
}
.p-casePillar__pillar {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .4rem;
  max-width: 760px;
  margin: 1.2rem auto 0;
  padding: 2rem 2.4rem;
  border: 1px solid #cfe9e4;
  border-radius: 8px;
  background: #fff;
  color: #1d3d36;
  transition: box-shadow .3s;
}
.p-casePillar__pillar b {
  font-size: 1.8rem;
  font-weight: 700;
  line-height: 1.4;
  color: #29baa2;
}
.p-casePillar__pillar span {
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.8;
}
.p-casePillar__pillar + .p-casePillar__pillar {
  margin-top: .8rem;
}
.p-casePillar__pillar span::after {
  content: " →";
  color: #1f8f7c;
}
.p-casePillar__list {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.2rem;
}
.p-casePillar__case {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 1.6rem 2rem;
  border: 1px solid #cfe9e4;
  border-radius: 8px;
  background: #fff;
  color: #000;
  transition: box-shadow .3s;
}
.p-casePillar__pillar:hover,
.p-casePillar__pillar:focus-visible,
.p-casePillar__case:hover,
.p-casePillar__case:focus-visible {
  box-shadow: 0 4px 16px rgba(41, 186, 162, .2);
}
.p-casePillar__caseName {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.6;
  color: #1f8f7c;
}
.p-casePillar__caseTxt {
  margin-top: .4rem;
  font-size: 1.4rem;
  font-weight: 500;
  line-height: 1.8;
}

@media screen and (min-width: 768px), print {
  .p-casePillar {
    padding: 56px 32px;
  }
  .p-casePillar__label,
  .p-casePillar__subhead {
    font-size: 1.6rem;
  }
  .p-casePillar__pillar {
    flex-direction: row;
    justify-content: center;
    gap: 1.6rem;
  }
  .p-casePillar__pillar b {
    font-size: 2rem;
  }
  .p-casePillar__pillar span {
    font-size: 1.6rem;
  }
  .p-casePillar__list {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.6rem;
  }
}