/* ==========================================================================
   cases.css - 支援事例ページ（cases/index.html）固有のスタイル
   共通パーツ（変数・タイポグラフィ・ヘッダー・フッター・ボタン・アイコン等）は
   common.css を参照。このファイルは cases/index.html のみで読み込む。
   ========================================================================== */

section {
  padding: 56px 0;
}

@media (min-width: 900px) {
  section {
    padding: 88px 0;
  }
}

/* ==========================================================================
   1. ページ見出し
   ========================================================================== */

.cases-hero {
  background-color: var(--color-primary-light);
  text-align: center;
  padding-top: 40px;
}

.cases-hero__lead {
  display: inline-block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-white);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.cases-hero__title {
  margin-bottom: 16px;
}

.cases-hero__intro {
  max-width: 640px;
  margin: 0 auto 12px;
}

.cases-hero__intro:last-of-type {
  margin-bottom: 20px;
}

.cases-hero__note {
  max-width: 640px;
  margin: 0 auto;
  font-size: 14px;
  color: var(--color-text-light);
}

/* ==========================================================================
   2. まとめ画像
   ========================================================================== */

.cases-overview__inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.cases-overview__frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  margin-bottom: 16px;
}

.cases-overview__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.cases-overview__caption {
  font-size: 13px;
  color: var(--color-text-light);
}

/* ==========================================================================
   3. 支援事例の概要カード
   ========================================================================== */

.cases-list__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .cases-list__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }
}

.case-card {
  display: flex;
  flex-direction: column;
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-top: 3px solid var(--color-primary);
  border-radius: 8px;
  padding: 24px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.case-card:hover,
.case-card:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.08);
}

.case-card__number {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  border-radius: 999px;
  padding: 4px 12px;
  margin-bottom: 12px;
  align-self: flex-start;
}

.case-card__title {
  font-size: 19px;
  margin-bottom: 8px;
}

.case-card__text {
  font-size: 15px;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.case-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.case-card__tags li {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  border-radius: 999px;
  padding: 5px 12px;
}

.case-card__link {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary);
  margin-top: auto;
}

/* ==========================================================================
   4〜6. 事例詳細
   ========================================================================== */

.cases-detail {
  scroll-margin-top: 96px;
}

.cases-detail--alt {
  background-color: var(--color-primary-pale);
}

.cases-detail__inner {
  max-width: 760px;
  margin: 0 auto;
}

.cases-detail__frame {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.06);
  margin-bottom: 24px;
}

.cases-detail__frame img {
  display: block;
  width: 100%;
  height: auto;
}

.cases-detail__target {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text-light);
  margin-bottom: 8px;
}

.cases-detail__title {
  margin-bottom: 28px;
}

.cases-detail__heading {
  margin-top: 32px;
  margin-bottom: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.cases-detail__title + .cases-detail__heading {
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.cases-detail__text {
  margin-bottom: 12px;
}

.cases-detail__text:last-of-type {
  margin-bottom: 0;
}

.cases-detail__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.cases-detail__list--dot li {
  position: relative;
  padding-left: 20px;
}

.cases-detail__list--dot li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background-color: var(--color-text-light);
}

.cases-detail__list--check li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.cases-detail__list--check .icon-check {
  flex: none;
  width: 20px;
  height: 20px;
  color: var(--color-primary);
  margin-top: 2px;
}

.cases-detail__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
}

.cases-detail__tags li {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-primary-light);
  border-radius: 999px;
  padding: 6px 14px;
}

/* ==========================================================================
   7. 最終CTA
   ========================================================================== */

.section-final-cta {
  background-color: var(--color-primary-dark);
  color: var(--color-white);
  padding: 42px 0;
}

@media (min-width: 900px) {
  .section-final-cta {
    padding: 56px 0;
  }
}

.section-final-cta .section-heading {
  color: var(--color-white);
  margin-bottom: 20px;
}

.cases-final-cta__inner {
  text-align: center;
}

.cases-final-cta__lead {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-primary-dark);
  background-color: var(--color-white);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.cases-final-cta__inner .final-cta__note {
  max-width: 560px;
  margin: 0 auto 32px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.cases-final-cta__action .btn {
  width: 100%;
  max-width: 340px;
}

@media (min-width: 900px) {
  .cases-final-cta__action .btn {
    width: auto;
  }
}