body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  margin: 20px;
  background-color: #f9f9f9;
  color: #333;
}
h1 {
  text-align: center;
  color: #444;
}
form {
  margin-bottom: 20px;
  padding: 10px;
  background-color: #fff;
  border: 0px;
  border-radius: 5px;
}
form label {
  margin-right: 15px;
}
form select,
form button,
form a {
  margin-left: 5px;
  padding: 5px 10px;
  border: 1px solid #ccc;
  background-color: #fff;
  cursor: pointer;
}
form button:hover,
form a:hover {
  background-color: #f0f0f0;
}
/* フィルタボタンのカスタムスタイル */
form button[type="submit"] {
  background-color: #007bff;
  color: #fff;
  border: none;
  border-radius: 5px;
  padding: 5px 15px;
  transition: background-color 0.3s ease;
  -webkit-appearance: none;
  appearance: none;
}
form button[type="submit"]:hover {
  background-color: #0056b3;
}
table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
  background-color: #fff;
}
table,
th,
td {
  border: 1px solid #ddd;
}
th,
td {
  padding: 10px;
  text-align: center;
}
th {
  background-color: #f4f4f4;
}
tr:nth-child(even) {
  background-color: #f9f9f9;
}
tr:hover {
  background-color: #f1f1f1;
}
p a {
  display: inline-block;
  margin-top: 10px;
  padding: 8px 15px;
  background-color: #007bff;
  color: #fff;
  text-decoration: none;
  border-radius: 5px;
}
p a:hover {
  background-color: #0056b3;
}

.card-container {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin-top: 20px;
}
.card {
  border: 1px solid #ddd;
  border-radius: 5px;
  padding: 15px;
  background-color: #fff;
  width: 100%;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

@media (min-width: 768px) {
  .card {
    width: calc(33% - 20px);
  }
}

.card p {
  margin: 10px 0;
  font-size: 14px;
  line-height: 1.5;
}

.card strong {
  color: #333;
}