/* 基本のスタイル */
body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4;
}

.header {
  background-color: #333;
  color: #fff;
  padding: 20px;
  text-align: center;
}

.nav {
  margin-top: 10px;
}

.nav .btn {
  color: #fff;
  text-decoration: none;
  padding: 10px 20px;
  background-color: #555;
  border-radius: 5px;
}

.nav .btn:hover {
  background-color: #777;
}

.main {
  padding: 20px;
}

h1, h2 {
  margin-bottom: 20px;
}

.song-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

.song-table th, .song-table td {
  border: 1px solid #ddd;
  padding: 10px;
  text-align: center;
}

.song-table th {
  background-color: #f8f8f8;
}

.artwork-thumb {
  width: 50px;
  height: 50px;
  object-fit: cover;
  border-radius: 5px;
}

.btn {
  text-decoration: none;
  padding: 8px 15px;
  background-color: #008CBA;
  color: white;
  border-radius: 5px;
  font-size: 14px;
  display: inline-block;
  margin-top: 10px;
}

.btn:hover {
  background-color: #007B9E;
}

button[type="submit"] {
  padding: 10px 20px;
  background-color: #f44336;
  color: white;
  border-radius: 5px;
  border: none;
  font-size: 16px;
}

button[type="submit"]:hover {
  background-color: #d32f2f;
}
/* アップロードフォームのスタイル */
form {
  margin-top: 20px;
  background-color: #fff;
  padding: 20px;
  border-radius: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

form label {
  display: block;
  margin-bottom: 8px;
  font-weight: bold;
}

form input[type="text"],
form input[type="file"] {
  width: 100%;
  padding: 10px;
  margin-bottom: 15px;
  border: 1px solid #ddd;
  border-radius: 5px;
  font-size: 14px;
}

form button {
  padding: 10px 20px;
  background-color: #008CBA;
  color: white;
  border-radius: 5px;
  border: none;
  font-size: 16px;
  cursor: pointer;
}

form button:hover {
  background-color: #007B9E;
}
/* レスポンシブデザイン */
@media (max-width: 768px) {
  .header {
    padding: 15px;
  }

  .song-table th, .song-table td {
    padding: 8px;
  }

  .artwork-thumb {
    width: 40px;
    height: 40px;
  }

  .song-table {
    margin-top: 15px;
  }

  .btn, button[type="submit"] {
    font-size: 12px;
    padding: 6px 12px;
  }

  .nav .btn {
    padding: 8px 16px;
    font-size: 14px;
  }
}

@media (max-width: 480px) {
  .song-table th, .song-table td {
    font-size: 12px;
  }

  .nav .btn {
    padding: 6px 12px;
    font-size: 12px;
  }

  .main {
    padding: 10px;
  }
}