body {
  margin: 0;
  padding: 0;
  width: 3440px;
  height: 1440px;
  background: transparent;
  font-family: 'Segoe UI', sans-serif;
  color: white;
}

.overlay {
  padding: 80px;
  background: rgba(0, 0, 0, 0.6);
  border-radius: 20px;
  width: 90%;
  margin: auto;
  animation: fadeIn 2s ease-in-out;
}

.title {
  font-size: 96px;
  margin-bottom: 60px;
  text-align: center;
  color: #00d9ff;
  animation: glow 3s infinite alternate;
}

.planning-list {
  list-style: none;
  padding: 0;
  font-size: 64px;
}

.planning-list li {
  margin: 40px 0;
  animation: slideIn 1s ease-in-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideIn {
  from { opacity: 0; transform: translateX(-100px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes glow {
  from { text-shadow: 0 0 10px #00d9ff, 0 0 20px #00d9ff; }
  to { text-shadow: 0 0 30px #00d9ff, 0 0 60px #00d9ff; }
}