/* =========================================================
   research.css
   - 研究活動ページ専用スタイル
   - 実績カウンター / 支援体制 / 活動実績リスト
========================================================= */

/* 背景色ユーティリティ */
.bg-gray {
  background-color: var(--color-gray-light);
  padding: 5rem 0; /* 80px */
}
.mt-4 {
  margin-top: 2rem;
}

/* ---------------------------------------------------------
   2. Research Stats (4 Columns) - 実績カウンター
--------------------------------------------------------- */
.research-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-top: 40px;
}

.stat-item {
  background: #fff;
  border-radius: 8px;
  padding: 30px 20px;
  text-align: center;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  border-bottom: 4px solid var(--color-primary);
  transition: transform 0.3s;
}
.stat-item:hover {
  transform: translateY(-5px);
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 10px;
}

.stat-value {
  color: var(--color-primary-dark);
  line-height: 1;
}

.stat-value .count {
  font-size: 3.5rem;
  font-weight: 700;
  font-family: 'Helvetica Neue', sans-serif;
  letter-spacing: -0.02em;
}

.stat-value .unit {
  font-size: 1rem;
  font-weight: 700;
  margin-left: 4px;
  color: var(--text-sub);
}

.note-text {
  font-size: 0.8rem;
  color: #888;
  margin-top: 20px;
}

/* ---------------------------------------------------------
   3. Support Grid (Photo Card Style) - 支援体制
--------------------------------------------------------- */
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.support-card {
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  height: 100%;
  border: 1px solid var(--color-gray-border);
  transition: transform 0.3s;
}
.support-card:hover {
  transform: translateY(-5px);
}

.support-thumb {
  width: 100%;
  height: 280px;
  overflow: hidden;
}
.support-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.support-card:hover .support-thumb img {
  transform: scale(1.05);
}

.support-body {
  padding: 25px;
}
.support-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
  line-height: 1.4;
  padding-left: 12px;
  border-left: 4px solid var(--color-secondary);
}
.support-body p {
  font-size: 0.9rem;
  color: var(--text-main);
  line-height: 1.7;
}

/* ---------------------------------------------------------
   4. Achievements Filter & List - 活動実績リスト
--------------------------------------------------------- */
.achievements-filter {
  margin-bottom: 50px;
  text-align: center;
}

.filter-group {
  display: flex;
  justify-content: center;
  gap: 15px;
  flex-wrap: wrap;
}

/* 検索フォーム */
.filter-input,
.filter-select {
  padding: 12px 16px;
  border: 1px solid #ccc;
  border-radius: 4px;
  font-size: 0.95rem;
  background: #fff;
  font-family: inherit;
  color: var(--text-main);
}
.filter-input {
  width: 300px;
}
.filter-select {
  width: 180px;
  cursor: pointer;
}

/* カードリスト (コンテナ) */
.achievement-list-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  max-width: 1000px;
  margin: 0 auto;
}

/* ★重要★ 生成されるカードのスタイル */
.achievement-item {
  background: #fff;
  padding: 24px;
  border-radius: 8px;
  border-left: 5px solid var(--color-gray-border);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  transition: all 0.2s;
  text-align: left;

  /* ★修正: JS追加要素が透明にならないよう強制表示 */
  opacity: 1 !important;
  transform: translateY(0) !important;
}

.achievement-item:hover {
  transform: translateX(5px) !important; /* ホバー時の動きは許可 */
  border-left-color: var(--color-primary);
}

.achieve-meta {
  display: flex;
  gap: 12px;
  margin-bottom: 8px;
  font-size: 0.85rem;
  align-items: center;
}
.achieve-year {
  font-weight: 700;
  color: var(--color-primary-dark);
}
.achieve-type {
  background: #eee;
  padding: 2px 10px;
  border-radius: 4px;
  color: #666;
  font-size: 0.75rem;
  font-weight: 700;
}
.achieve-date {
  /* 日付は右寄せ */
  margin-left: auto;
  color: #999;
}

.achieve-title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text-main);
}
.achieve-details p {
  font-size: 0.9rem;
  color: var(--text-sub);
  line-height: 1.5;
  margin-bottom: 4px;
}
.achieve-details strong {
  color: var(--text-main);
  font-weight: 600;
  margin-right: 6px;
}

/* 該当なしメッセージ */
.achievement-list-grid p.text-center {
  text-align: center;
  color: #666;
  padding: 20px;
}

/* ---------------------------------------------------------
   6. Ethics (Block) - 倫理審査
--------------------------------------------------------- */
.ethics-block {
  text-align: center;
}
.ethics-block p {
  font-size: 1rem;
  line-height: 2;
  margin-bottom: 30px;
  text-align: justify;
}
.ethics-link {
  margin-top: 20px;
}

.text-link-external {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: underline;
  position: relative;
  padding-right: 1.2em;
}
.text-link-external::after {
  content: '↗';
  position: absolute;
  right: 0;
  top: -0.1em;
  font-size: 0.9em;
  font-family: sans-serif;
}
.text-link-external:hover {
  color: var(--color-primary-dark);
  text-decoration: none;
}

/* ---------------------------------------------------------
   Responsive
--------------------------------------------------------- */
@media (max-width: 900px) {
  .research-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .support-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .research-stats {
    gap: 15px;
  }
  .stat-item {
    padding: 20px 10px;
  }
  .stat-value .count {
    font-size: 2.5rem;
  }

  .support-grid {
    grid-template-columns: 1fr;
  }

  .filter-input,
  .filter-select {
    width: 100%;
  }

  /* スマホでのリスト表示調整 */
  .achieve-meta {
    flex-wrap: wrap;
    gap: 8px;
  }
  .achieve-date {
    margin-left: 0;
    width: 100%;
  }
}

/* --- Load More Button --- */
.load-more-area {
  margin-top: 40px;
  text-align: center;
}

/* common.cssの .btn を継承しつつ、少し色を変える場合 */
.btn-secondary {
  background-color: #fff;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}
.btn-secondary:hover {
  background-color: var(--color-primary);
  color: #fff;
}

/* --- Extra: Photo Highlights Slider --- */
.research-swiper {
  padding-bottom: 50px; /* ページネーション用の余白 */
}

.highlight-card {
  position: relative;
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.highlight-card img {
  width: 100%;
  height: 250px; /* 高さを揃える */
  object-fit: cover;
  display: block;
  transition: transform 0.5s ease;
}
.highlight-card:hover img {
  transform: scale(1.05);
}

.highlight-caption {
  background: #fff;
  padding: 15px 20px;
  border: 1px solid var(--color-gray-border);
  border-top: none;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
}

.highlight-caption .date {
  display: block;
  font-size: 0.75rem;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 5px;
}

.highlight-caption p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-main);
  margin: 0;
}

/* Swiper Pagination Custom */
.swiper-pagination-bullet-active {
  background-color: var(--color-primary) !important;
}