body {
    font-family: "Helvetica Neue", Arial, sans-serif;
    background-color: #f4f4f4;
    text-align: center;
    padding: 50px;
}
.notice {
    background-color: #fff;
    margin: 0 auto;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.15);
    max-width: 700px;
}
h1, h2 {
    color: #333;
    margin-bottom: 10px;
}
p, li {
    color: #555;
    font-size: 16px;
    line-height: 1.6;
    margin-bottom: 10px;
}
.date, .thank-you {
    color: #007bff;
    font-weight: bold;
    margin-top: 15px;
    font-style: italic;
}
.english {
    color: #333;
    font-size: 14px;
    margin-bottom: 20px;
}
.sticky {
    position: -webkit-sticky;
    position: sticky;
    top: 0;
    background-color: #ffcc00;
    color: #333;
    font-size: 20px;
    font-weight: bold;
    padding: 10px;
    border-bottom: 3px solid #007bff;
    z-index: 1000;
    text-align: center;
    box-shadow: 0px 5px 10px rgba(0, 0, 0, 0.2);
}
.news-container {
    background-color: #e8e8e8;
    border-radius: 8px;
    padding: 15px;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.1);
    margin-top: 20px;
    margin-bottom: 20px;
}
.news-item {
    color: #333;
    font-weight: bold;
    margin-bottom: 8px;
}
.btn {
    background-color: #007bff;
    color: #fff;
    padding: 10px 20px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    box-shadow: 0px 4px 8px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease;
}
.btn:hover {
    background-color: #0056b3;
}
ul {
    list-style-position: inside;
    padding-left: 20px;
}
li {
    text-align: left;
    margin-bottom: 5px;
}