.guidelines-container {
  max-width: 800px;
  margin: 0 auto;
  padding: 4rem 2rem 6rem;
}

.guidelines-title {
  font-size: 2.5rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 3rem;
  letter-spacing: 0.05em;
}

.guidelines-intro {
  margin-bottom: 3rem;
  padding: 1.5rem;
  background-color: #252525;
  border-left: 4px solid #ffffff;
}

.guidelines-intro p {
  font-size: 1rem;
  line-height: 1.8;
  color: #cccccc;
  margin: 0;
}

.guidelines-section {
  margin-bottom: 3rem;
}

.guidelines-section h2 {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 1rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #333333;
  letter-spacing: 0.05em;
}

.guidelines-section p {
  font-size: 1rem;
  line-height: 1.8;
  color: #cccccc;
  margin-bottom: 1rem;
}

.guidelines-section ul {
  list-style: none;
  padding-left: 0;
  margin-top: 1rem;
}

.guidelines-section li {
  font-size: 1rem;
  line-height: 1.8;
  color: #cccccc;
  padding-left: 1.5rem;
  position: relative;
  margin-bottom: 0.5rem;
}

.guidelines-section li::before {
  content: "・";
  position: absolute;
  left: 0;
  color: #ffffff;
}

.guidelines-section a {
  color: #ffffff;
  text-decoration: underline;
  transition: color 0.3s ease;
}

.guidelines-section a:hover {
  color: #999999;
}

@media (max-width: 768px) {
  .guidelines-container {
    padding: 3rem 1.5rem 4rem;
  }

  .guidelines-title {
    font-size: 2rem;
  }

  .guidelines-section h2 {
    font-size: 1.3rem;
  }
}