.property-table th,
        .property-table td {
            padding: 0.75rem;
            text-align: left;
            border: 1px solid var(--border-color);
        }
        .input-group-custom {
            margin-bottom: 1rem;
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .unit-note {
            font-size: 0.9rem;
            color: #6c757d;
        }
        .coord-input {
            margin-bottom: 0.5rem;
        }
        .japanese-output {
            font-size: 1.8rem;
            padding: 1rem;
            background-color: #f8f9fa;
            border-radius: 8px;
            border: 1px solid #e9ecef;
            margin: 0.5rem 0;
            font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
            word-break: break-all;
        }
        .japanese-output .label {
            font-size: 0.9rem;
            color: #6c757d;
            display: block;
            font-family: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        .japanese-output .kanji {
            font-size: 2.2rem;
            letter-spacing: 0.05em;
        }
        .japanese-output .romaji {
            font-size: 1.2rem;
            font-family: 'Courier New', monospace;
            color: #2c3e50;
        }
        .japanese-output .hiragana {
            font-size: 1.6rem;
            font-family: 'Noto Sans JP', 'Hiragino Sans', 'Yu Gothic', sans-serif;
            color: #5a2d8a;
        }
        .place-value-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .place-value-item {
            background: white;
            border: 1px solid #dee2e6;
            border-radius: 6px;
            padding: 0.5rem;
            text-align: center;
        }
        .place-value-item .digit {
            font-size: 1.8rem;
            font-weight: 600;
            color: var(--primary-color);
        }
        .place-value-item .unit-label {
            font-size: 0.8rem;
            color: #6c757d;
        }
        .conversion-tabs .conversion-tabs .result-card {
            background: white;
            border-radius: 8px;
            border: 1px solid #e9ecef;
            padding: 1.5rem;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .result-card h5 {
            color: var(--accent-color);
            font-weight: 600;
            margin-bottom: 0.75rem;
        }
        .badge-japanese {
            background-color: #a52a2a;
            color: white;
            font-size: 0.7rem;
            padding: 0.25rem 0.6rem;
            border-radius: 12px;
            vertical-align: middle;
        }
        .input-number {
            font-size: 1.4rem;
            padding: 0.75rem 1rem;
        }
        .example-badge {
            cursor: pointer;
            transition: all 0.15s;
        }
        .example-badge:hover {
            transform: scale(1.05);
            background-color: var(--primary-color) !important;
            color: white !important;
        }
        @media (max-width: 576px) {
            .japanese-output .kanji {
                font-size: 1.6rem;
            }
            .japanese-output .hiragana {
                font-size: 1.2rem;
            }
            .japanese-output .romaji {
                font-size: 1rem;
            }
        }