* {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        
        body {
            background-image: url(https://swy1ox.neocities.org/sora5.gif); 
            background-repeat: repeat;
            background-attachment: fixed;
            font-family: Arial, sans-serif;
            line-height: 1.6;
            color: #333;
            padding: 15px;
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
        }
        
        .to-dolist {
            background-image: url("https://swy1ox.neocities.org/anachdruk28background.gif");
            background-size: cover;
            background-position: center;
            width: 100%;
            max-width: 500px;
            padding: 20px;
            border-radius: 12px;
            max-height: 90vh;
            overflow-y: auto;
            border: 2px solid black;
        }
        
        .to-dolist::-webkit-scrollbar {
            width: 8px;
        }
        
        .to-dolist::-webkit-scrollbar-thumb {
            background-color: cyan;
            border: 2px solid #6a0dad;
            border-radius: 4px;
        }
        
        .text {
            padding: 10px;
        }
        
        h1 {
            color: #6a0dad;
            text-align: center;
            margin-bottom: 10px;
            font-size: 28px;
            text-shadow: 1px 1px 2px rgba(255, 255, 255, 0.7);
        }
        
        h2 {
            color: #4b0082;
            text-align: center;
            margin-bottom: 20px;
            font-size: 16px;
            font-weight: normal;
        }
        
        ul {
            list-style-type: none;
            margin: 20px 0;
            padding: 0;
        }
        
        details {
            margin-bottom: 15px;
            background-color: rgba(255, 255, 255, 0.8);
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }
        
        summary {
            padding: 12px 15px;
            background: linear-gradient(to right, #9370db, #6a5acd);
            color: white;
            cursor: pointer;
            font-weight: bold;
            font-size: 18px;
            transition: background 0.3s;
        }
        
        summary:hover {
            background: linear-gradient(to right, #8360c7, #5a4aad);
        }
        
        details[open] summary {
            border-bottom: 1px solid #ddd;
        }
        
        li {
            padding: 10px 15px;
            border-bottom: 1px dashed #ccc;
            font-size: 16px;
        }
        
        li:last-child {
            border-bottom: none;
        }
        
        s {
            color: #666;
            text-decoration: line-through;
        }
        
        .links {
            display: flex;
            justify-content: center;
            gap: 15px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        
        .links a {
            display: inline-block;
            padding: 10px 15px;
            background: linear-gradient(to right, #9370db, #6a5acd);
            color: white;
            text-decoration: none;
            border-radius: 5px;
            transition: all 0.3s;
            font-size: 14px;
            text-align: center;
            min-width: 140px;
        }
        
        .links a:hover {
            background: linear-gradient(to right, #8360c7, #5a4aad);
            transform: translateY(-2px);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
        }
        
        @media (max-width: 480px) {
            body {
                padding: 10px;
            }
            
            .to-dolist {
                padding: 15px;
                max-height: 85vh;
            }
            
            h1 {
                font-size: 24px;
            }
            
            h2 {
                font-size: 14px;
            }
            
            summary {
                font-size: 16px;
                padding: 10px;
            }
            
            li {
                font-size: 14px;
                padding: 8px 12px;
            }
            
            .links {
                flex-direction: column;
                align-items: center;
            }
            
            .links a {
                width: 100%;
                max-width: 250px;
            }
        }
        
        .to-dolist {
            animation: fadeIn 0.5s ease-out;
        }
        
        details {
            animation: fadeIn 0.3s ease-out;
        }