@font-face {
    font-family: 'NaikaiFont';
    src: url('NaikaiFont-Regular.woff2') format('woff2');
    font-weight: normal;
    font-style: normal;
}

body {
    font-family: 'NaikaiFont', Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    margin: 0;
    padding: 20px;
}

.container {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    margin: auto;
}

h1 {
    color: #333;
}

.file-section {
    margin-top: 20px;
}

.upload-btn, .search-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 10px;
    font-family: 'NaikaiFont', Arial, sans-serif;
}

.upload-btn:hover, .search-btn:hover {
    background-color: #45a049;
}

input[type="file"] {
    margin-top: 10px;
    padding: 10px;
    border: 2px solid #ddd;
    border-radius: 5px;
    font-family: 'NaikaiFont', Arial, sans-serif;
    background-color: #fff;
    width: 80%;
    cursor: pointer;
}

input[type="file"]:hover {
    border-color: #4CAF50;
}

input[type="file"]:focus {
    border-color: #4CAF50;
    outline: none;
}

.red-text {
    color: red;
}