/* 기본 설정 */
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: #333;
}

/* 타겟층 섹션 디자인 */
.target-audience-section {
  padding: 60px 20px;
  background-color: #f8fafc;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 40px auto;
}

.section-header h2 {
  font-size: 2rem;
  color: #1e293b;
  margin-bottom: 12px;
}

.section-header p {
  font-size: 1.1rem;
  color: #64748b;
}

/* 4개의 카드 반응형 배열 (모바일은 1줄, PC는 2~4줄) */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}

.benefit-card {
  background: #ffffff;
  border-radius: 12px;
  padding: 28px 22px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
  border: 1px solid #e2e8f0;
}

.card-icon {
  font-size: 2.5rem;
  margin-bottom: 14px;
}

.benefit-card h3 {
  font-size: 1.3rem;
  color: #0f172a;
  margin-bottom: 6px;
}

.card-subtitle {
  font-size: 0.95rem;
  color: #2563eb;
  font-weight: 600;
  margin-bottom: 16px;
}

.benefit-card ul {
  padding-left: 20px;
  margin: 0;
  color: #475569;
  font-size: 0.95rem;
  line-height: 1.6;
}

.benefit-card li {
  margin-bottom: 10px;
}