body {
  margin: 0;
  font-family: 'Arial', sans-serif;
  background-color: #ffffff;
  color: #333;
  text-align: center;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
  padding: 20px;
}

header {
  background-color: #ffffff;
  padding: 20px;
  border-bottom: 2px solid #ccc;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 20px;
}

.channel-logo {
  height: 80px;
  width: 80px;
  border-radius: 50%;
}

.header-title {
  font-size: 2.5rem;
  margin: 0;
}

nav {
  background-color: #ffffff;
  text-align: left;
  padding: 10px 20px;
  border-bottom: 4px solid #00adfc;
  margin-bottom: 30px;
}

nav a {
  color: #00adfc;
  text-decoration: none;
  margin-right: 20px;
  font-size: 1.1rem;
}

nav a:hover {
  color: #007bbd;
  text-decoration: underline;
}

.video-section {
  margin: 40px 0;
}

iframe {
  width: 80%;
  max-width: 800px;
  height: 450px;
  border: none;
}

.link-box {
  background-color: #f9f9f9;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 0 10px rgba(0,0,0,0.05);
  margin-bottom: 40px;
}

.link-list {
  list-style: none;
  padding: 0;
}

.link-list li {
  margin: 10px 0;
}

.link-list a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  font-size: 1.2rem;
  color: #00adfc;
}

.link-list img {
  width: 40px;
  height: 40px;
  margin-right: 10px;
  border-radius: 8px;
}

footer {
  background-color: #f0f0f0;
  color: #666;
  padding: 20px;
  font-size: 0.9rem;
}