* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Malgun Gothic", sans-serif;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #f8f9fa;
}

header {
  background-color: #34495e;
  color: #ecf0f1;
  padding: 1.5rem 0;
  text-align: center;
}

header h1 {
  font-size: 1.8rem;
  margin-bottom: 1rem;
}

nav {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 1.5rem;
}

nav a {
  color: #ecf0f1;
  text-decoration: none;
  font-size: 0.95rem;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  transition: background-color 0.3s;
}

nav a:hover {
  background-color: #2c3e50;
}

main {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

.site-disclaimer {
  background-color: #e8f4f8;
  border-left: 4px solid #3498db;
  padding: 1rem 1.2rem;
  margin-bottom: 2rem;
  font-size: 0.9rem;
  color: #34495e;
}

.content-section,
.info-section,
.text-section {
  background-color: #ffffff;
  padding: 2rem;
  margin-bottom: 2rem;
  border-radius: 6px;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
}

h2 {
  font-size: 1.5rem;
  color: #2c3e50;
  margin-bottom: 1rem;
  border-bottom: 2px solid #ecf0f1;
  padding-bottom: 0.5rem;
}

p {
  margin-bottom: 1rem;
  text-align: justify;
}

img {
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin: 2rem 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.info-section ul {
  list-style-position: inside;
  padding-left: 0;
}

.info-section li {
  margin-bottom: 0.7rem;
  line-height: 1.8;
}

.info-section a {
  color: #3498db;
  text-decoration: none;
  transition: color 0.3s;
}

.info-section a:hover {
  color: #2980b9;
  text-decoration: underline;
}

footer {
  background-color: #34495e;
  color: #ecf0f1;
  text-align: center;
  padding: 1.5rem 0;
  margin-top: 3rem;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  header h1 {
    font-size: 1.5rem;
  }

  nav {
    gap: 1rem;
  }

  nav a {
    font-size: 0.85rem;
  }

  .content-section,
  .info-section,
  .text-section {
    padding: 1.5rem;
  }

  h2 {
    font-size: 1.3rem;
  }
}