body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 10px;
    background-color: #f4f4f4;
    color: #333;
}

.container {
    max-width: 600px;
    margin: 20px auto;
    background-color: #fff;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

h1 {
    text-align: center;
    color: #0056b3;
    margin-bottom: 20px;
    font-size: 1.5em;
}

.search-section {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

#searchInput {
    flex-grow: 1;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1em;
}

#searchButton {
    padding: 10px 15px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 1em;
}

#searchButton:hover {
    background-color: #0056b3;
}

.result-item {
    background-color: #e9ecef;
    border: 1px solid #dee2e6;
    border-radius: 4px;
    padding: 15px;
    margin-bottom: 10px;
}

.result-item h3 {
    margin-top: 0;
    color: #0056b3;
    font-size: 1.2em;
}

.result-item p {
    margin: 5px 0;
    font-size: 0.9em;
}

.error-message {
    color: red;
    text-align: center;
    margin-top: 20px;
}

@media (max-width: 600px) {
    .search-section {
        flex-direction: column;
    }
    #searchButton {
        width: 100%;
    }
}

.memo-section {
    margin-top: 15px;
    padding-top: 10px;
    border-top: 1px solid #ccc;
}

.memo-section h4 {
    margin-top: 0;
    margin-bottom: 5px;
    color: #0056b3;
}

.memo-section textarea {
    width: 100%;
    padding: 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
    box-sizing: border-box; /* Include padding and border in the element's total width and height */
    margin-bottom: 5px;
}

.memo-section button {
    padding: 8px 12px;
    background-color: #28a745;
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 0.9em;
}

.memo-section button:hover {
    background-color: #218838;
}