/* ==========================================
   講座内容ページ専用スタイル
========================================== */

/* ページヘッダー */
.page-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 5rem 2rem 4rem;
  text-align: center;
  color: var(--bg-white);
}

.page-title {
  font-size: 3rem;
  color: var(--bg-white);
  margin-bottom: 1rem;
}

.page-subtitle {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 800px;
  margin: 0 auto;
  line-height: 1.8;
}

/* イントロボックス */
.intro-box {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
  padding: 3rem;
  background-color: var(--bg-warm);
  border-radius: 20px;
  border: 2px solid var(--border-color);
}

.intro-title {
  color: var(--primary-color);
  font-size: 1.8rem;
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.intro-text {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.9;
}

/* キーワードセクション */
.keyword-section {
  display: grid;
  gap: 3rem;
}

.keyword-card {
  background-color: var(--bg-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-color);
}

.keyword-header {
  background: linear-gradient(135deg, var(--secondary-color) 0%, var(--secondary-light) 100%);
  padding: 2.5rem;
  text-align: center;
  border-bottom: 3px solid var(--primary-color);
}

.keyword-icon {
  font-size: 4rem;
  display: block;
  margin-bottom: 1rem;
}

.keyword-title {
  color: var(--primary-color);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.keyword-subtitle {
  color: var(--text-secondary);
  font-size: 1.1rem;
}

.keyword-body {
  padding: 2.5rem;
  font-size: 1.05rem;
}

.keyword-body p {
  line-height: 1.9;
}

.keyword-body strong {
  color: var(--primary-color);
  font-weight: 600;
}

/* コンピテンシーグリッド */
.competency-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.competency-item {
  text-align: center;
  padding: 1.5rem;
  background-color: var(--bg-warm);
  border-radius: 12px;
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.competency-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-sm);
  border-color: var(--primary-color);
}

.competency-number {
  display: inline-block;
  width: 40px;
  height: 40px;
  line-height: 40px;
  background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
  color: var(--bg-white);
  border-radius: 50%;
  font-weight: 700;
  font-size: 1.2rem;
  margin-bottom: 1rem;
}

.competency-item h4 {
  color: var(--primary-color);
  font-size: 1.2rem;
  margin-bottom: 0.5rem;
}

.competency-item small {
  font-size: 0.85rem;
}

.competency-item p {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.6;
  margin: 0;
}

/* コース詳細 */
.course-detail {
  background-color: var(--bg-white);
  border-radius: 20px;
  overflow: hidden;
  margin-bottom: 3rem;
  box-shadow: var(--shadow-md);
  border: 2px solid var(--border-color);
  transition: all 0.3s ease;
}

.course-detail:hover {
  box-shadow: var(--shadow-lg);
}

.course-header {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 2rem 2.5rem;
  display: flex;
  align-items: center;
  gap: 2rem;
}

.course-number {
  background-color: rgba(255, 255, 255, 0.25);
  color: var(--bg-white);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1.1rem;
  white-space: nowrap;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.course-info {
  flex: 1;
}

.course-title {
  color: var(--bg-white);
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.course-period {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1rem;
}

.course-content {
  padding: 2.5rem;
  display: grid;
  gap: 2rem;
}

.course-objective,
.course-topics {
  background-color: var(--bg-warm);
  padding: 2rem;
  border-radius: 12px;
  border-left: 4px solid var(--primary-color);
}

.course-objective h4,
.course-topics h4 {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.course-objective h4::before {
  content: "🎯";
  font-size: 1.5rem;
}

.course-topics h4::before {
  content: "📚";
  font-size: 1.5rem;
}

.course-objective p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0;
}

.course-topics ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.course-topics li {
  color: var(--text-secondary);
  padding: 0.75rem 0 0.75rem 2rem;
  position: relative;
  line-height: 1.7;
  border-bottom: 1px solid var(--border-color);
}

.course-topics li:last-child {
  border-bottom: none;
}

.course-topics li::before {
  content: "✓";
  position: absolute;
  left: 0;
  color: var(--primary-color);
  font-weight: 700;
  font-size: 1.2rem;
}

/* 特長カード */
.feature-card {
  background-color: var(--bg-white);
  border-radius: 16px;
  padding: 2rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
  border: 2px solid var(--border-color);
}

.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: var(--primary-color);
}

.feature-icon {
  font-size: 3rem;
  display: block;
  margin-bottom: 1rem;
}

.feature-card h3 {
  color: var(--primary-color);
  font-size: 1.3rem;
  margin-bottom: 1rem;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.8;
  margin: 0;
}

/* CTAセクション */
.cta-section {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--accent-color) 100%);
  padding: 5rem 2rem;
  text-align: center;
}

.cta-content {
  max-width: 800px;
  margin: 0 auto;
}

.cta-title {
  color: var(--bg-white);
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.cta-text {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.1rem;
  margin-bottom: 2.5rem;
  line-height: 1.9;
}

.btn-large {
  padding: 1.25rem 3rem;
  font-size: 1.1rem;
  background-color: var(--bg-white);
  color: var(--primary-color);
  font-weight: 700;
}

.btn-large:hover {
  background-color: var(--secondary-light);
  color: var(--primary-dark);
}

/* レスポンシブ */
@media (max-width: 768px) {
  .page-header {
    padding: 4rem 1.5rem 3rem;
  }

  .page-title {
    font-size: 2.2rem;
  }

  .page-subtitle {
    font-size: 1.05rem;
  }

  .intro-box {
    padding: 2rem 1.5rem;
  }

  .intro-title {
    font-size: 1.4rem;
  }

  .intro-text {
    font-size: 1rem;
  }

  .keyword-header {
    padding: 2rem 1.5rem;
  }

  .keyword-icon {
    font-size: 3rem;
  }

  .keyword-title {
    font-size: 1.6rem;
  }

  .keyword-body {
    padding: 2rem 1.5rem;
    font-size: 1rem;
  }

  .competency-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .course-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
  }

  .course-title {
    font-size: 1.5rem;
  }

  .course-content {
    padding: 1.5rem;
  }

  .course-objective,
  .course-topics {
    padding: 1.5rem;
  }

  .cta-title {
    font-size: 1.8rem;
  }

  .cta-text {
    font-size: 1rem;
  }
}

@media (max-width: 480px) {
  .course-topics li {
    padding-left: 1.5rem;
    font-size: 0.95rem;
  }
}