body {
  font-family: Arial, sans-serif;
  margin: 20px;
}

.audio-image-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.audio-box, .image-box {
  flex: 1 1 300px;
}

/* Responsive layout: stack vertically on screens smaller than 768px */
@media (max-width: 768px) {
  .audio-image-container {
    flex-direction: column;
  }
  .audio-box, .image-box {
    flex: 1 1 100%;
  }
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

#contents {
  margin-top: 30px;
}

#contents h1 {
  font-size: 1.5em;
  margin-bottom: 10px;
}

#contents ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

#contents ul li {
  margin-bottom: 10px;
}

#contents ul li a {
  text-decoration: none;
  color: #0033cc;
  font-weight: bold;
  transition: color 0.3s ease;
}

#contents ul li a:hover,
#contents ul li a:focus {
  color: #ff9900;
  outline: none;
}

#footer {
  margin-top: 20px;
  font-size: 0.9em;
  color: #666666;
  text-align: center;
}