.miniapp{--miniapp-primary:#000;--miniapp-secondary:#fff;--miniapp-gray-50:#f9fafb;--miniapp-gray-100:#f3f4f6;--miniapp-gray-200:#e5e7eb;--miniapp-gray-300:#d1d5db;--miniapp-gray-400:#9ca3af;--miniapp-gray-500:#6b7280;--miniapp-gray-600:#4b5563;--miniapp-gray-700:#374151;--miniapp-gray-800:#1f2937;--miniapp-gray-900:#111827;--miniapp-red-500:#ef4444;--miniapp-blue-500:#3b82f6;--miniapp-green-500:#10b981;--miniapp-green-600:#059669;overflow-x:hidden;margin:0;padding:0}.miniapp *{box-sizing:border-box;margin:0;padding:0}.miniapp-container{margin:0 auto}.miniapp-form{max-width:500px;background:var(--miniapp-secondary);padding:30px;border-radius:12px;box-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06);border:1px solid var(--miniapp-gray-200)}.miniapp-section{padding-bottom:1rem}.miniapp-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}.miniapp-section-title{font-size:1.2rem;font-weight:600;color:var(--miniapp-gray-900);margin-bottom:20px}.miniapp-field-group{display:flex;justify-content:space-between;gap:1rem;align-items:top}.miniapp-field{flex:1}.miniapp-label{display:block;margin-bottom:8px;font-weight:500;color:var(--miniapp-gray-700);font-size:1rem}.miniapp-input{width:100%;padding:10px 12px;margin-bottom:20px;border:1px solid var(--miniapp-gray-300);border-radius:6px;font-size:1rem;transition:all .15s ease;background:var(--miniapp-secondary);color:var(--miniapp-gray-900)}.miniapp-input:focus{outline:none;border-color:var(--miniapp-gray-400)}.miniapp-input.error{border-color:var(--miniapp-red-500)}.miniapp-button-group{display:flex;gap:12px;margin-top:25px}.miniapp-btn{flex:1;padding:10px 18px;border:1px solid transparent;border-radius:6px;font-size:14px;font-weight:500;cursor:pointer;transition:all .15s ease;line-height:20px}.miniapp-btn-primary{background:var(--miniapp-gray-900);color:var(--miniapp-secondary);border-color:var(--miniapp-gray-900)}.miniapp-btn-primary:hover{background:var(--miniapp-gray-800);border-color:var(--miniapp-gray-800)}.miniapp-btn-secondary{background:var(--miniapp-secondary);color:var(--miniapp-gray-700);border-color:var(--miniapp-gray-300)}.miniapp-btn-secondary:hover{background:var(--miniapp-gray-50)}.miniapp-card{background:var(--miniapp-secondary);padding:20px;border-radius:12px;box-shadow:0 1px 3px 0 rgba(0,0,0,.1),0 1px 2px 0 rgba(0,0,0,.06);border:1px solid var(--miniapp-gray-200)}.miniapp-cards-wrapper{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:15px;max-width:1200px;margin:0 auto 30px}@media (max-width:768px){.miniapp-cards-wrapper{grid-template-columns:1fr}}.miniapp-card-title{font-size:14px;color:var(--miniapp-gray-600);margin-bottom:8px;font-weight:500}.miniapp-card-text{font-size:24px;font-weight:600;color:var(--miniapp-gray-900)}.miniapp-error-message{color:var(--miniapp-red-500);font-size:12px;margin-top:-15px;margin-bottom:15px;display:none}.miniapp-error-message.show{display:block}.miniapp-cards-wrapper.hidden{display:none}.miniapp-info{background:var(--miniapp-gray-100);color:var(--miniapp-gray-600);padding:12px 16px;border-radius:6px;font-size:13px;margin-bottom:20px}.miniapp-recommendation{background:#fff;border-radius:12px;padding:24px;box-shadow:0 1px 3px rgba(0,0,0,.1);margin-bottom:20px}.miniapp-recommendation.benefit{border-left:4px solid var(--miniapp-green-500)}.miniapp-recommendation.loss{border-left:4px solid var(--miniapp-red-500)}.miniapp-recommendation h2{font-size:20px;margin-bottom:12px}.miniapp-recommendation p{font-size:16px;line-height:1.6;margin-bottom:8px}.hidden{display:none}.miniapp-calculation-step{background:var(--miniapp-gray-50);border:1px solid var(--miniapp-gray-200);border-radius:8px;padding:20px;margin-bottom:20px}.miniapp-step-title{font-size:18px;font-weight:600;color:var(--miniapp-gray-900);margin-bottom:12px}.miniapp-step-desc{font-size:15px;color:var(--miniapp-gray-700);line-height:1.6;margin-bottom:10px}.miniapp-step-formula{font-size:15px;color:var(--miniapp-gray-800);line-height:1.6;margin-bottom:16px;padding:12px;background:var(--miniapp-secondary);border-left:3px solid var(--miniapp-blue-500);border-radius:4px}.miniapp-step-list{list-style-position:inside;margin-bottom:16px;padding-left:8px}.miniapp-step-list li{font-size:15px;color:var(--miniapp-gray-700);line-height:1.8;margin-bottom:6px}.miniapp-calculation-detail{background:var(--miniapp-secondary);border-radius:6px;padding:16px;border:1px solid var(--miniapp-gray-200)}.miniapp-calc-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0}.miniapp-calc-row:last-of-type{border-bottom:none}.miniapp-calc-label{font-size:14px;color:var(--miniapp-gray-700);flex:1}.miniapp-calc-value{font-size:16px;font-weight:600;color:var(--miniapp-gray-900);text-align:right}.miniapp-calc-formula{font-size:13px;color:var(--miniapp-gray-600);font-family:'Courier New',monospace;padding:8px 12px;background:var(--miniapp-gray-50);border-radius:4px;margin-bottom:12px;overflow-x:auto}.miniapp-calc-result{background:var(--miniapp-gray-50);padding:12px;border-radius:6px;margin-top:8px}.miniapp-calc-result .miniapp-calc-label{font-weight:600;color:var(--miniapp-gray-900)}.miniapp-calc-result .miniapp-calc-value{font-size:18px;color:var(--miniapp-gray-900)}.miniapp-calc-comparison{background:var(--miniapp-green-50)}.miniapp-calc-comparison .miniapp-calc-value{line-height:1.6}@media (max-width:640px){.miniapp-field-group{grid-template-columns:1fr}.miniapp-calc-row{flex-direction:column;align-items:flex-start;gap:6px}.miniapp-calc-value{text-align:left}.miniapp-step-title{font-size:16px}.miniapp-calculation-step{padding:16px}}