:root{--color-primary: #1a365d;--color-primary-light: #2d4a7c;--color-primary-dark: #0f2340;--color-accent: #3182ce;--color-accent-light: #63b3ed;--color-success: #38a169;--color-warning: #d69e2e;--color-error: #e53e3e;--bg-primary: #f7fafc;--bg-secondary: #ffffff;--bg-tertiary: #edf2f7;--text-primary: #1a202c;--text-secondary: #4a5568;--text-muted: #718096;--shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, .05);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, .1), 0 10px 10px -5px rgba(0, 0, 0, .04);--border-radius: 8px;--border-radius-lg: 12px;--border-color: #e2e8f0;--transition-fast: .15s ease;--transition-normal: .25s ease}*{box-sizing:border-box;margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,Hiragino Kaku Gothic ProN,Hiragino Sans,Meiryo,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh}.header{background:linear-gradient(135deg,var(--color-primary) 0%,var(--color-primary-light) 100%);color:#fff;padding:1.5rem 2rem;box-shadow:var(--shadow-md)}.header__container{max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:1rem}.header__logo{width:48px;height:48px}.header__title{font-size:1.5rem;font-weight:700;letter-spacing:.05em}.header__subtitle{font-size:.875rem;opacity:.85;margin-top:.25rem}.main{max-width:1200px;margin:0 auto;padding:2rem}.alert{padding:1rem 1.25rem;border-radius:var(--border-radius);margin-bottom:1.5rem;display:flex;align-items:flex-start;gap:.75rem}.alert--warning{background:#fefcbf;border:1px solid #d69e2e;color:#744210}.alert--error{background:#fed7d7;border:1px solid #e53e3e;color:#742a2a}.alert--info{background:#bee3f8;border:1px solid #3182ce;color:#2a4365}.alert--success{background:#c6f6d5;border:1px solid #38a169;color:#22543d}.alert__icon{flex-shrink:0;font-size:1.25rem}.alert__content{flex:1}.alert__title{font-weight:600;margin-bottom:.25rem}.alert__message{font-size:.9rem}.steps{display:flex;justify-content:center;gap:2rem;margin-bottom:2rem;padding:1.5rem;background:var(--bg-secondary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-sm)}.step{display:flex;align-items:center;gap:.75rem;color:var(--text-muted);transition:color var(--transition-normal)}.step--active{color:var(--color-accent)}.step--completed{color:var(--color-success)}.step__number{width:32px;height:32px;border-radius:50%;background:var(--bg-tertiary);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:.875rem;transition:all var(--transition-normal)}.step--active .step__number{background:var(--color-accent);color:#fff}.step--completed .step__number{background:var(--color-success);color:#fff}.step__label{font-size:.9rem;font-weight:500}.step__connector{width:40px;height:2px;background:var(--border-color)}.card{background:var(--bg-secondary);border-radius:var(--border-radius-lg);box-shadow:var(--shadow-md);padding:2rem;margin-bottom:1.5rem}.card__title{font-size:1.25rem;font-weight:600;margin-bottom:1rem;color:var(--color-primary)}.upload-area{border:2px dashed var(--border-color);border-radius:var(--border-radius-lg);padding:3rem 2rem;text-align:center;cursor:pointer;transition:all var(--transition-normal);background:var(--bg-tertiary)}.upload-area:hover,.upload-area--active{border-color:var(--color-accent);background:#3182ce0d}.upload-area__icon{font-size:3rem;margin-bottom:1rem;color:var(--color-accent)}.upload-area__text{font-size:1.1rem;color:var(--text-secondary);margin-bottom:.5rem}.upload-area__hint{font-size:.875rem;color:var(--text-muted)}.file-list{margin-top:1.5rem}.file-item{display:flex;align-items:center;padding:.75rem 1rem;background:var(--bg-tertiary);border-radius:var(--border-radius);margin-bottom:.5rem;gap:.75rem}.file-item__icon{color:var(--color-error);font-size:1.25rem}.file-item__name{flex:1;font-size:.9rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.file-item__size{font-size:.8rem;color:var(--text-muted)}.file-item__status{font-size:.8rem;padding:.25rem .5rem;border-radius:4px;background:var(--color-success);color:#fff}.file-item__remove{background:none;border:none;color:var(--text-muted);cursor:pointer;padding:.25rem;transition:color var(--transition-fast)}.file-item__remove:hover{color:var(--color-error)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;padding:.75rem 1.5rem;font-size:1rem;font-weight:500;border:none;border-radius:var(--border-radius);cursor:pointer;transition:all var(--transition-fast)}.btn--primary{background:var(--color-accent);color:#fff}.btn--primary:hover:not(:disabled){background:var(--color-primary-light);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn--secondary{background:var(--bg-tertiary);color:var(--text-primary)}.btn--secondary:hover:not(:disabled){background:var(--border-color)}.btn--success{background:var(--color-success);color:#fff}.btn--success:hover:not(:disabled){background:#2f855a;transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn--lg{padding:1rem 2rem;font-size:1.1rem}.btn:disabled{opacity:.5;cursor:not-allowed}.result-table{width:100%;border-collapse:collapse;margin-top:1rem}.result-table th,.result-table td{padding:.75rem 1rem;text-align:left;border-bottom:1px solid var(--border-color)}.result-table th{background:var(--bg-tertiary);font-weight:600;color:var(--color-primary)}.result-table tr:hover{background:var(--bg-tertiary)}.result-table input{width:100%;padding:.5rem;border:1px solid var(--border-color);border-radius:4px;font-size:.9rem}.result-table input:focus{outline:none;border-color:var(--color-accent);box-shadow:0 0 0 3px #3182ce1a}.loading{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:3rem;gap:1rem}.loading__spinner{width:48px;height:48px;border:4px solid var(--bg-tertiary);border-top-color:var(--color-accent);border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loading__text{color:var(--text-secondary);font-size:1rem}.inheritance-chart{padding:2rem;background:#fff;border:1px solid var(--border-color);border-radius:var(--border-radius);overflow-x:auto}.chart-person{display:inline-block;padding:.75rem 1rem;background:var(--bg-tertiary);border:2px solid var(--color-primary);border-radius:var(--border-radius);text-align:center;min-width:150px}.chart-person--deceased{background:#feebc8;border-color:var(--color-warning)}.chart-person__name{font-weight:600;margin-bottom:.25rem}.chart-person__info{font-size:.8rem;color:var(--text-muted)}.footer{text-align:center;padding:2rem;color:var(--text-muted);font-size:.875rem}@media (max-width: 768px){.header{padding:1rem}.header__title{font-size:1.25rem}.main{padding:1rem}.steps{flex-wrap:wrap;gap:1rem}.step__connector{display:none}.card{padding:1.5rem}.upload-area{padding:2rem 1rem}}