body {
  font-family: 'Noto Sans JP', sans-serif;
  line-height: 1.6;
  color: #333;
  background: #f8f9fa;
}

.text-primary {
  color: #10a8eb !important;
}

.hero-section {
  /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
  color: white;
  padding: 0;
  position: relative;
  overflow: hidden;
}

.hero-banner {
  max-width: 960px;
  width: 100%;
  margin: 0 auto;
  height: auto;
  display: block;
}

.cta-section {
  background: linear-gradient(135deg, #10a8eb 0%, #1e3c8c 100%);
  padding: 40px 0;
  text-align: center;
}

.cta-button {
  background: white;
  border: 2px solid white;
  padding: 15px 40px;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: 50px;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
  color: #10a8eb;
  text-decoration: none;
  display: inline-block;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.95);
  color: #10a8eb;
  text-decoration: none;
  border-color: white;
}

.section-title {
  font-size: 2rem;
  font-weight: 700;
  color: #2c3e50;
  margin-bottom: 4rem;
  position: relative;
  text-align: center;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -20px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 3px;
  background: linear-gradient(45deg, #10a8eb, #1e3c8c);
}

.overview-section {
  padding: 40px 0;
}

.agenda-section {
  padding: 80px 0;
}

.event-details {
  padding: 80px 0;
  background: #f8f9fa;
}

.speakers-section {
  padding: 80px 0;
}

.form-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;
}

.card {
  border: none;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease;
}

.card-body {
  line-height: 1.8;
  padding: 32px;
}

.agenda-item {
  background: white;
  padding: 32px;
  margin-bottom: 20px;
  border-radius: 10px;
  /* border-left: 4px solid #10a8eb; */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.detail-item {
  background: white;
  padding: 24px;
  margin-bottom: 15px;
  border-radius: 8px;
  /* border-left: 3px solid #10a8eb; */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.detail-label {
  font-weight: 600;
  font-size: 1.2rem;
  color: #2c3e50;
  margin-bottom: 8px;
}

small.text-muted {
  font-size: 12px !important;
  line-height: 1 !important;
}

.speaker-card {
  background: white;
  border-radius: 15px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 30px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.speaker-photo {
  width: 200px;
  height: 200px;
  border-radius: 50%;
  object-fit: cover;
  margin: 0 auto 20px;
  border: 4px solid #10a8eb;
}

.speaker-info {
  padding: 30px;
  text-align: center;
}

.speaker-name {
  font-size: 1.4rem;
  font-weight: 600;
  color: #2c3e50;
  margin-bottom: 8px;
}

.speaker-title {
  color: #10a8eb;
  font-weight: 500;
  margin-bottom: 20px;
  font-size: 1.1rem;
}

.speaker-profile {
  text-align: left;
  color: #555;
  line-height: 1.6;
}

.form-container {
  background: white;
  padding: 40px;
  border-radius: 15px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.form-title {
  color: #2c3e50;
  font-size: 1.8rem;
  font-weight: 600;
  margin-bottom: 30px;
  text-align: center;
}

.smooth-scroll {
  scroll-behavior: smooth;
}

@media (max-width: 768px) {
  .section-title {
    font-size: 1.5rem;
  }

  .card-body {
    padding: 24px;
  }

  .speaker-card {
    margin-bottom: 20px;
  }

  .speaker-info {
    padding: 20px;
  }

  .speaker-name {
    font-size: 1.2rem;
  }

  .speaker-title {
    font-size: 1rem;
  }
}