body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif; background-color: #f0f2f5; color: #1c1e21; line-height: 1.6; margin: 0; padding: 20px; }
        .container { max-width: 750px; margin: auto; background: #fff; padding: 20px 40px; border-radius: 12px; box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08); }
            header { text-align: center; border-bottom: 1px solid #ddd; margin-bottom: 25px; padding-bottom: 15px; }
            h1 { color: #1877f2; }
            h2 { color: #333; }
            .question-block { margin-bottom: 20px; padding: 15px; background-color: #f7f8fa; border-radius: 8px; }
            .question-block p { font-weight: 600; margin: 0 0 10px 0; }
            .options label { display: block; margin-bottom: 8px; cursor: pointer; }
            input[type="radio"] { margin-right: 8px; }
            #submit-btn { display: block; width: 100%; padding: 15px; font-size: 18px; font-weight: bold; color: white; background-color: #1877f2; border: none; border-radius: 8px; cursor: pointer; margin-top: 20px; transition: background-color 0.2s; }
                #submit-btn:hover { background-color: #166fe5; }
                .hidden { display: none; }
                #result-container { margin-top: 30px; }
                
                #result-summary {
                    text-align: center;
                    padding: 20px;
                    border-radius: 8px;
                    margin-bottom: 25px;
                    background-color: #f7f8fa;
                    border: 1px solid #ddd;
                }
                
                /* ▼▼▼ このブロックを全面的に修正 ▼▼▼ */
                #percentage-label {
                    font-size: 18px;
                    font-weight: bold;
                    color: #333;
                    margin-bottom: 15px;
                }
                
                #result-percentage {
                    width: 160px;
                    height: 160px;
                    border-radius: 50%;
                    box-sizing: border-box;
                    margin: 0 auto 25px auto;
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    background-color: #fff;
                    border: 6px solid #ccc;
                    transition: border-color 0.5s;
                }
                
                #result-percentage .score {
                    font-size: 64px; /* 少し大きくしてインパクトを出す */
                    font-weight: bold;
                    line-height: 1;
                    color: #333;
                    transition: color 0.5s;
                }
                
                #result-percentage .score span {
                    font-size: 32px; /* %のサイズ */
                    font-weight: normal;
                    margin-left: 2px;
                }
                /* ▲▲▲ ここまで修正 ▲▲▲ */
                
                #result-level h3 { margin: 10px 0 5px 0; font-size: 24px; }
                #result-level p { margin: 0; color: #555; }
                
                /* 依存レベルに応じた色分け */
                .level-low #result-percentage { border-color: #3498db; }
                .level-low #result-percentage .score { color: #3498db; }
                .level-medium #result-percentage { border-color: #f39c12; }
                .level-medium #result-percentage .score { color: #f39c12; }
                .level-high #result-percentage { border-color: #e74c3c; }
                .level-high #result-percentage .score { color: #e74c3c; }
                
                .chart-container { max-width: 450px; margin: 0 auto 25px auto; }
                #result-prescription ul { list-style-type: '✅'; padding-left: 20px; }
                #result-prescription li { padding-left: 10px; margin-bottom: 10px; }
                #share-container { margin-top: 40px; padding-top: 20px; border-top: 1px solid #ddd; text-align: center; }
                .share-buttons { display: flex; justify-content: center; gap: 15px; margin-top: 15px; }
                .share-btn { display: inline-block; padding: 10px 20px; border-radius: 5px; color: #fff; text-decoration: none; font-weight: bold; font-size: 14px; transition: opacity 0.2s; }
                        .share-btn:hover { opacity: 0.8; }
                        .share-btn.twitter { background-color: #1DA1F2; }
                        .share-btn.line { background-color: #00B900; }
                        .share-btn.facebook { background-color: #1877F2; }