/* 機能セクション */
.features {
  padding: 80px 0;
}

.features .heading-lg {
  margin-bottom: 60px;
}

.feature-card {
  text-align: center;
  padding: 40px 20px;
  background: var(--bg-white);
  border-radius: var(--border-radius);
  box-shadow: var(--box-shadow);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.feature-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--box-shadow-lg);
}

.feature-card .icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 20px;
  background: var(--primary-gradient);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  flex-shrink: 0;
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
  color: var(--text-color);
}

.feature-card p {
  color: var(--text-light);
  line-height: 1.6;
  flex-grow: 1;
}

/* アニメーション */
.feature-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.feature-card.animate {
  opacity: 1;
  transform: translateY(0);
}

/* レスポンシブ */
@media (max-width: 768px) {
  .features {
    padding: 60px 0;
  }
  
  .features .heading-lg {
    margin-bottom: 40px;
  }
  
  .feature-card {
    padding: 30px 20px;
  }
  
  .feature-card .icon {
    width: 60px;
    height: 60px;
    font-size: 1.5rem;
  }
  
  .feature-card h3 {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .feature-card {
    padding: 25px 15px;
  }
  
  .feature-card .icon {
    width: 50px;
    height: 50px;
    font-size: 1.3rem;
    margin-bottom: 15px;
  }
}