/* ランディングページ風のスタイル - サイトカラーを活用 */
.seminar-landing {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 32px;
}

.seminar-section {
  padding: 80px 0;
  text-align: center;
}

.seminar-section-alt {
  background: linear-gradient(135deg, #f5f5f5 0%, #ffffff 100%);
  margin: 0 -32px;
  padding: 60px 32px;
}

.seminar-section-dark {
  background: linear-gradient(135deg, #234056 0%, #1a2f3f 100%);
  color: #ffffff;
  margin: 0 -32px;
  padding: 60px 32px;
}

.seminar-section-dark .seminar-section-subtitle,
.seminar-section-dark .seminar-lead {
  color: #ffffff;
}

.seminar-section-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: #234056;
  margin: 0 0 24px;
  line-height: 1.3;
}

.seminar-section-subtitle {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  font-weight: 700;
  color: #234056;
  margin: 48px 0 24px;
  line-height: 1.3;
}

.seminar-kicker {
  font-size: 0.95rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e7ae46;
  font-weight: 700;
  margin: 0 0 16px;
}

.seminar-lead {
  font-size: clamp(1.1rem, 2vw, 1.25rem);
  line-height: 1.8;
  color: #28292a;
  margin: 0 0 32px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.seminar-question-list {
  list-style: none;
  padding: 0;
  margin: 32px 0;
  text-align: left;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.seminar-question-list li {
  padding: 16px 20px;
  border-left: 4px solid #e7ae46;
  background: rgba(231, 174, 70, 0.05);
  margin-bottom: 12px;
  border-radius: 4px;
  font-size: 1.1rem;
  line-height: 1.7;
  color: #234056;
  font-weight: 500;
}

.seminar-question-list li:last-child {
  margin-bottom: 0;
}

.seminar-feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin: 48px 0;
  text-align: left;
}

.seminar-feature-item {
  padding: 32px;
  background: #ffffff;
  border-radius: 8px;
  border: 2px solid #e7ae46;
  box-shadow: 0 4px 12px rgba(35, 64, 86, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.seminar-feature-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 20px rgba(35, 64, 86, 0.15);
}

.seminar-feature-item strong {
  display: block;
  font-size: 1.25rem;
  color: #234056;
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid #e7ae46;
}

.seminar-feature-item p {
  margin: 0;
  line-height: 1.7;
  color: #28292a;
}

.seminar-highlight-box {
  background: linear-gradient(135deg, rgba(231, 174, 70, 0.1) 0%, rgba(231, 174, 70, 0.05) 100%);
  border: 2px solid #e7ae46;
  padding: 40px;
  border-radius: 12px;
  margin: 32px 0;
  box-shadow: 0 4px 16px rgba(35, 64, 86, 0.1);
}

.seminar-highlight-box h4 {
  font-size: 1.5rem;
  font-weight: 700;
  color: #234056;
  margin: 0 0 24px;
}

.seminar-highlight-box ol {
  text-align: left;
  max-width: 600px;
  margin: 0 auto;
  padding-left: 24px;
  line-height: 2;
  color: #234056;
}

.seminar-highlight-box ol li {
  margin-bottom: 8px;
}

.seminar-highlight-box p {
  margin-top: 24px;
  line-height: 1.8;
  color: #28292a;
}

.seminar-cta {
  background: linear-gradient(135deg, #234056 0%, #1a2f3f 100%);
  color: white;
  padding: 60px 32px;
  border-radius: 12px;
  margin: 60px 0;
  box-shadow: 0 8px 24px rgba(35, 64, 86, 0.3);
}

.seminar-cta-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  margin: 0 0 24px;
  color: #ffffff;
}

.seminar-cta-text {
  font-size: 1.1rem;
  line-height: 1.8;
  margin: 0 0 32px;
  color: rgba(255, 255, 255, 0.95);
}

.seminar-cta-actions {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

.seminar-accent-text {
  color: #e7ae46;
  font-weight: 600;
}

/* 背景イラストスタイル */
.seminar-section-with-bg {
  position: relative;
  overflow: hidden;
}

.seminar-bg-illustration {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 0;
  opacity: 0.25;
  pointer-events: none;
  width: 100%;
  max-width: 800px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.seminar-bg-illustration img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  width: auto;
  height: auto;
  transform: scale(1.3);
}

.seminar-bg-illustration-rotate-right {
  transform: translate(-50%, -50%);
}

.seminar-bg-illustration-rotate-left {
  transform: translate(-50%, -50%);
}

.seminar-content-overlay {
  position: relative;
  z-index: 1;
}

/* 通常のイラストスタイル */
.seminar-illustration {
  max-width: 100%;
  height: auto;
  max-height: 300px;
  object-fit: contain;
  filter: drop-shadow(0 8px 16px rgba(35, 64, 86, 0.15));
}

.seminar-illustration-rotate-left {
  transform: none;
}

.seminar-illustration-rotate-right {
  transform: none;
}

/* 家族イラストの2カラムレイアウト */
.seminar-family-illustrations {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  margin: 32px 0 48px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.seminar-family-illustration-item {
  text-align: center;
  animation: fadeInUp 0.8s ease-out;
}

.seminar-family-illustration-item:nth-child(2) {
  animation-delay: 0.2s;
  animation-fill-mode: both;
}

/* フィーチャーアイテム内のイラスト */
.seminar-feature-item-with-image {
  position: relative;
  overflow: hidden;
}

.seminar-feature-image {
  margin: -32px -32px 24px -32px;
  text-align: center;
  background: linear-gradient(135deg, rgba(231, 174, 70, 0.05) 0%, rgba(231, 174, 70, 0.02) 100%);
  padding: 20px;
  border-radius: 8px 8px 0 0;
}

.seminar-feature-image img {
  max-width: 100%;
  height: auto;
  max-height: 180px;
  object-fit: contain;
  filter: drop-shadow(0 4px 8px rgba(35, 64, 86, 0.1));
}

.seminar-feature-image-rotate-left {
  transform: none;
}

.seminar-feature-image-rotate-right {
  transform: none;
}

/* アニメーション */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ダークセクション内の背景イラスト */
.seminar-section-dark .seminar-bg-illustration {
  opacity: 0.2;
}

/* 左側に背景イラストを配置（テキストの裏側） */
.seminar-section-with-bg-left {
  position: relative;
  overflow: hidden;
}

.seminar-bg-illustration-left {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 0;
  opacity: 0.25;
  pointer-events: none;
  width: 300px;
  max-width: 30%;
  height: 100%;
  display: flex;
  align-items: flex-start;
  justify-content: flex-start;
  padding-left: 20px;
  padding-top: 60px;
}

.seminar-bg-illustration-left img {
  max-width: 100%;
  max-height: 280px;
  object-fit: contain;
  width: auto;
  height: auto;
}

@media (max-width: 768px) {
  .seminar-landing {
    padding: 0 16px;
  }

  .seminar-section {
    padding: 60px 0;
  }

  .seminar-section-alt,
  .seminar-section-dark {
    margin: 0 -16px;
    padding: 40px 16px;
  }

  .seminar-feature-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .seminar-feature-item {
    padding: 24px;
  }

  .seminar-cta {
    padding: 40px 24px;
  }

  .seminar-cta-actions {
    flex-direction: column;
  }

  .seminar-cta-actions .btn {
    width: 100%;
  }

  .seminar-highlight-box {
    padding: 24px;
  }

  .seminar-illustration {
    max-height: 200px;
  }

  .seminar-family-illustrations {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    max-width: 100%;
  }

  .seminar-family-illustration-item img {
    max-width: 100%;
    max-height: 150px;
  }

  .seminar-feature-image {
    margin: -24px -24px 20px -24px;
    padding: 16px;
  }

  .seminar-feature-image img {
    max-height: 140px;
  }

  .seminar-bg-illustration {
    max-width: 400px;
    opacity: 0.1;
  }

  .seminar-bg-illustration-rotate-right,
  .seminar-bg-illustration-rotate-left {
    transform: translate(-50%, -50%);
  }

  .seminar-bg-illustration-left {
    width: 200px;
    max-width: 30%;
    opacity: 0.2;
    padding-left: 10px;
    padding-top: 40px;
  }

  .seminar-bg-illustration-left img {
    max-height: 180px;
  }
}