:root{--color-primary: #2d7ff9;--color-primary-dark: #1763d8;--color-primary-light: #eaf2ff;--color-accent: #f59e0b;--color-text: #16243b;--color-text-secondary: #5a6b85;--color-text-muted: #7488a6;--color-bg: #eef3fb;--color-surface: #ffffff;--color-border: #e6edf7;--color-error: #e5484d;--color-error-light: #fdecec;--color-success: #15a05a;--color-success-light: #e4f7ec;--radius-sm: 10px;--radius-md: 14px;--radius-lg: 18px;--radius-xl: 24px;--shadow-sm: 0 2px 10px rgba(45, 127, 249, .07);--shadow-md: 0 6px 18px rgba(45, 127, 249, .1);--shadow-lg: 0 10px 28px rgba(45, 127, 249, .14);--font: "Pretendard Variable", "Pretendard", -apple-system, BlinkMacSystemFont, "Malgun Gothic", "Apple SD Gothic Neo", sans-serif;--header-h: 56px;color-scheme:only light}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%;scroll-behavior:smooth}body{font-family:var(--font);color:var(--color-text);background:var(--color-bg);line-height:1.6;min-height:100dvh;word-break:keep-all;overflow-wrap:break-word}#root{display:flex;flex-direction:column;min-height:100dvh}.container{width:100%;max-width:480px;margin:0 auto;padding:0 16px}.page{padding-top:calc(var(--header-h) + 16px);padding-bottom:80px;min-height:100dvh}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:15px 20px;border:none;border-radius:var(--radius-lg);background:var(--color-primary);color:#fff;font-family:var(--font);font-size:16px;font-weight:700;line-height:1.3;cursor:pointer;transition:background .15s,transform .1s,box-shadow .15s;text-decoration:none;-webkit-tap-highlight-color:transparent;-webkit-user-select:none;user-select:none}.btn:hover{background:var(--color-primary-dark)}.btn:active{transform:scale(.98)}.btn:disabled{background:var(--color-border);color:var(--color-text-muted);cursor:not-allowed;transform:none}.btn-outline{background:transparent;color:var(--color-primary);border:2px solid var(--color-primary)}.btn-outline:hover{background:var(--color-primary-light)}.btn-outline:disabled{border-color:var(--color-border);color:var(--color-text-muted);background:transparent}.btn-ghost{background:transparent;color:var(--color-primary);border:none;font-weight:600}.btn-ghost:hover{background:var(--color-primary-light)}.btn-sm{padding:10px 16px;font-size:14px;border-radius:var(--radius-md)}.btn-accent{background:var(--color-accent);color:#fff}.btn-accent:hover{background:#d97706}.card{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--color-border);overflow:hidden}.card-body{padding:20px}.form-group{display:flex;flex-direction:column;gap:6px}label{font-size:14px;font-weight:600;color:var(--color-text)}label .required{color:var(--color-error);margin-left:2px}input[type=text],input[type=tel],input[type=number],select,textarea{width:100%;padding:12px 14px;border:1.5px solid var(--color-border);border-radius:var(--radius-md);font-family:var(--font);font-size:15px;color:var(--color-text);background:#fff;transition:border-color .15s,box-shadow .15s;-moz-appearance:none;appearance:none;-webkit-appearance:none;outline:none}input[type=text]:focus,input[type=tel]:focus,input[type=number]:focus,select:focus,textarea:focus{border-color:var(--color-primary);box-shadow:0 0 0 3px #2d7ff926}input[type=number]{-moz-appearance:textfield}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{opacity:1}select{background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236b7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 12px center;padding-right:40px}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:999px;font-size:12px;font-weight:700;letter-spacing:.02em}.badge-primary{background:var(--color-primary-light);color:var(--color-primary)}.badge-accent{background:#fef3c7;color:#d97706}.badge-consult{background:#eff6ff;color:#2563eb}.divider{height:1px;background:var(--color-border);margin:20px 0}.alert{padding:12px 16px;border-radius:var(--radius-md);font-size:14px;font-weight:500;line-height:1.5}.alert-error{background:var(--color-error-light);color:var(--color-error);border:1px solid #fecaca}.alert-info{background:var(--color-primary-light);color:var(--color-primary-dark);border:1px solid #cfe0ff}.alert-warning{background:#fffbeb;color:#92400e;border:1px solid #fde68a}.section-title{font-size:18px;font-weight:800;color:var(--color-text);margin-bottom:12px}.section-sub{font-size:13px;color:var(--color-text-secondary);margin-bottom:16px}.header{position:fixed;top:0;left:0;right:0;height:var(--header-h);background:var(--color-surface);border-bottom:1px solid var(--color-border);z-index:100;box-shadow:var(--shadow-sm)}.header-inner{max-width:480px;margin:0 auto;height:100%;display:flex;align-items:center;justify-content:space-between;padding:0 16px}.steps{display:flex;align-items:center;gap:0;margin-bottom:24px}.step{flex:1;display:flex;flex-direction:column;align-items:center;gap:4px;font-size:11px;color:var(--color-text-muted);font-weight:600}.step-dot{width:24px;height:24px;border-radius:50%;background:var(--color-border);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:800;color:var(--color-text-muted);transition:background .2s}.step.active .step-dot{background:var(--color-primary);color:#fff}.step.done .step-dot{background:var(--color-primary-light);color:var(--color-primary)}.step-line{height:2px;flex:1;background:var(--color-border);margin-bottom:16px}.step-line.done{background:var(--color-primary)}.checkbox-row{display:flex;align-items:flex-start;gap:10px;cursor:pointer}.checkbox-row input[type=checkbox]{width:20px;height:20px;border:2px solid var(--color-border);border-radius:5px;accent-color:var(--color-primary);flex-shrink:0;margin-top:2px;cursor:pointer}.quote-table{width:100%;border-collapse:collapse;font-size:14px}.quote-table th{text-align:left;font-size:12px;font-weight:700;color:var(--color-text-secondary);padding:6px 8px;border-bottom:1px solid var(--color-border)}.quote-table td{padding:10px 8px;border-bottom:1px solid var(--color-border);vertical-align:top}.quote-table tr:last-child td{border-bottom:none}.quote-total-row td{font-weight:800;font-size:16px;color:var(--color-primary);border-top:2px solid var(--color-border);padding-top:12px}.consult-banner{background:var(--color-primary-light);border:1px solid #cfe0ff;border-radius:var(--radius-md);padding:14px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.consult-banner p{font-size:13px;color:var(--color-primary-dark);font-weight:600;line-height:1.4}.gallery-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.gallery-placeholder{aspect-ratio:1;background:var(--color-border);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--color-text-muted);font-size:24px}.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:7px}.product-btn{display:flex;flex-direction:column;align-items:center;justify-content:flex-start;gap:7px;padding:12px 5px;min-height:92px;background:var(--color-surface);border:1.5px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;text-align:center;transition:border-color .15s,background .15s,transform .1s;-webkit-tap-highlight-color:transparent}.product-btn:hover,.product-btn:focus-visible{border-color:var(--color-primary);background:var(--color-primary-light);outline:none}.product-btn:active{transform:scale(.97)}.product-btn-icon{font-size:24px;line-height:1}.product-btn-label{font-size:11.5px;font-weight:700;color:var(--color-text);line-height:1.25}.product-btn-sub{font-size:10px;font-weight:600;color:var(--color-text-secondary);line-height:1.2;margin-top:-3px}.room-item{background:#f9fafb;border:1px solid var(--color-border);border-radius:var(--radius-md);padding:14px}.room-item-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px}.room-item-title{font-size:14px;font-weight:700;color:var(--color-primary)}.btn-remove{background:none;border:none;color:var(--color-text-muted);cursor:pointer;font-size:18px;padding:2px 6px;border-radius:6px;transition:color .15s,background .15s;line-height:1}.btn-remove:hover{color:var(--color-error);background:var(--color-error-light)}.input-row{display:grid;grid-template-columns:1fr 1fr;gap:10px}.hint{font-size:12px;color:var(--color-text-muted);line-height:1.5}.spinner{display:inline-block;width:20px;height:20px;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.back-btn{background:none;border:none;font-size:22px;color:var(--color-text);cursor:pointer;padding:6px;border-radius:var(--radius-sm);line-height:1;-webkit-tap-highlight-color:transparent}.done-icon{width:80px;height:80px;background:var(--color-success-light);border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:40px;margin:0 auto 20px}.radio-group{display:flex;flex-direction:column;gap:8px}.radio-option{display:flex;align-items:center;gap:10px;padding:12px 14px;border:2px solid var(--color-border);border-radius:var(--radius-md);cursor:pointer;transition:border-color .15s,background .15s;-webkit-tap-highlight-color:transparent}.radio-option:has(input:checked){border-color:var(--color-primary);background:var(--color-primary-light)}.radio-option input[type=radio]{accent-color:var(--color-primary);width:18px;height:18px;flex-shrink:0;cursor:pointer}.radio-label{font-size:14px;font-weight:600;color:var(--color-text);cursor:pointer;flex:1}.radio-sub{font-size:12px;color:var(--color-text-muted);font-weight:400}