/* style01.css */

body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #fff;
    color: #000;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    text-align: center;
}

.header {
    margin-bottom: 20px;
}

.title {
    text-align: center;
    margin: 0;
    color: #000;
}

.return-button {
    position: fixed;
    top: 20px;
    right: 20px;
    display: inline-block;
    width: 40px;
    height: 40px;
    background-color: #000;
    color: #FFF;
    text-align: center;
    line-height: 40px;
    text-decoration: none;
    border-radius: 50%;
    border: 2px solid #FFF;
    transition: background-color 0.3s ease;
    cursor: pointer;
}

.return-button:hover {
    background-color: #FFF;
    color: #000;
}

.return-button:before {
    content: "←";
    display: inline-block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #FFF;
}

.return-button:hover:before {
    color: #000;
}

.content {
    margin: 0 auto;
    text-align: center;
    padding-bottom: 40px;
}

.content a {
    font-size: 24px;
    color: #888;
    text-decoration: none;
    display: block;
    margin: 10px 0;
}

.content a span {
    font-weight: normal;
}

.content a:hover {
    color: #555;
}

footer {
    text-align: center;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px 0;
    background-color: transparent;
    color: #fff;
}

.social-media-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
}

.social-media-links li {
    margin: 0 10px;
}

.social-media-links a {
    display: block;
    color: #fff;
    text-decoration: none;
}

.social-media-links img {
    width: 40px;
    height: 40px;
}

.return-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 40px;
    height: 40px;
    background-color: #000;
    color: #FFF;
    text-align: center;
    line-height: 40px;
    border-radius: 50%;
    border: 2px solid #FFF;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.return-to-top:hover {
    background-color: #FFF;
    color: #000;
}

.return-to-top span {
    display: inline-block;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    color: #FFF;
}

.return-to-top:hover span {
    color: #000;
}

@media (max-width: 600px) {
    .container {
        padding: 10px;
    }
    .title {
        font-size: 1.5em;
    }
    .content a {
        font-size: 1.2em;
    }
}

table {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
}

th, td {
    border: 1px solid #ddd;
    padding: 8px;
    text-align: left;
    word-wrap: break-word;
}

th {
    background-color: #f2f2f2;
}

th:nth-child(1) {
    width: 20%;
}

th:nth-child(2) {
    width: 15%;
}

th:nth-child(3) {
    width: 60%;
}

th:nth-child(4) {
    width: 5%;
}