/* ==========================================
   Case Studies Page
   ========================================== */

.tai-case-studies-page {
  --case-red: #d9001b;
  --case-text: #222;
  --case-muted: #737373;
  overflow: hidden;
  background: #fff;
  color: var(--case-text);
  font-family: var(--font-ja);
}

.tai-case-studies-page *,
.tai-case-studies-page *::before,
.tai-case-studies-page *::after {
  box-sizing: border-box;
}

.tai-case-studies-page a {
  color: inherit;
  text-decoration: none;
}

.tai-case-studies-page h1,
.tai-case-studies-page h2,
.tai-case-studies-page p {
  margin: 0;
}

.case-index {
  padding: 30px 0 346px;
}

.case-filters {
  display: grid;
  gap: 25px;
  margin-top: 114px;
}

.case-filter-row {
  display: grid;
  grid-template-columns: 130px minmax(0, 1fr);
  align-items: center;
  gap: 40px;
}

.case-filter-row > p {
  color: #222;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.4;
}

.case-filter-buttons {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 13px;
}

.case-filter-buttons a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 5px 13px 6px;
  border: 1px solid var(--case-red);
  border-radius: 7px;
  background: #fff;
  color: var(--case-red);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  transition: background 0.2s ease, color 0.2s ease;
}

.case-filter-buttons a.is-active {
  background: var(--case-red);
  color: #fff;
}

.case-filter-buttons a:not(.is-active):hover {
  background: rgba(197, 0, 24, 0.06);
}

.case-filter-divider {
  display: block;
  width: 1px;
  height: 32px;
  margin: 0 25px;
  background: #d7d7d7;
}

.case-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 71px 48px;
  margin-top: 66px;
}

.case-card-image {
  overflow: hidden;
  border-radius: 13px;
}

.case-card img {
  aspect-ratio: 331 / 222;
  object-fit: cover;
}

.case-card-body {
  padding-top: 35px;
}

.case-card time {
  display: block;
  color: var(--case-red);
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700 !important;
  line-height: 1.35;
}

.case-card h2 {
  margin-top: 5px;
  font-size: 18px;
  font-weight: 700 !important;
  line-height: 1.45 !important;
}

.case-card p {
  margin-top: 21px;
  color: var(--case-muted);
  font-size: 14px;
  font-weight: 500 !important;
  line-height: 1.8 !important;
  letter-spacing: 0.03em;
}

.case-pagination {
  display: flex;
  justify-content: center;
  margin-top: 78px;
}

.case-pagination ul.page-numbers {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  justify-content: center;
  width: auto;
  max-width: 100%;
  height: auto;
  gap: 8px;
  margin: 0;
  padding: 0;
  border: 0;
  line-height: normal;
  list-style: none;
}

.case-pagination a.page-numbers,
.case-pagination span.page-numbers {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 44px;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid var(--case-red);
  border-radius: 8px;
  background: #fff;
  color: var(--case-red);
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
}

.case-pagination span.page-numbers.current,
.case-pagination a.page-numbers:hover {
  background: var(--case-red);
  color: #fff;
}

@media screen and (max-width: 767px) {
  .case-filters {
    gap: 18px;
    margin-top: 47px;
  }

  .case-filter-row {
    gap: 9px;
  }

  .case-filter-row > p {
    font-size: 11px;
  }

  .case-filter-buttons {
    gap: 6px;
  }

  .case-filter-buttons a {
    min-height: 21px;
    padding: 3px 7px 4px;
    border-radius: 4px;
    font-size: 8px;
  }

  .case-filter-divider {
    display: none;
  }

  .case-grid {
    display: block;
    margin-top: 40px;
  }

  .case-card {
    padding-bottom: 32px;
    border-bottom: 1px solid rgba(217, 0, 27, 0.45);
  }

  .case-card + .case-card {
    padding-top: 32px;
  }

  .case-card-image {
    border-radius: 8px;
  }

  .case-card img {
    aspect-ratio: 318 / 190;
  }

  .case-card-body {
    padding-top: 22px;
  }

  .case-card time {
    font-size: 10px;
  }

  .case-card h2 {
    margin-top: 3px;
    font-size: 14px;
    line-height: 1.45;
  }

  .case-card p {
    display: none;
  }

  .case-pagination {
    margin-top: 43px;
  }

  .case-pagination a.page-numbers,
  .case-pagination span.page-numbers {
    min-width: 38px;
    min-height: 38px;
    padding: 8px 12px;
    font-size: 12px;
  }
}