.tos-footer-container{margin-top:20px;padding-top:20px;border-top:1px solid #eee}.digital-signature-label{display:block;margin-bottom:8px;font-weight:600;font-size:14px}.tos-agreement-text{font-size:12px;color:#666;margin-bottom:10px}.tos-link{color:#E21E26;text-decoration:underline;cursor:pointer}.signature-input-field{width:100%;padding:10px;border:1px solid #ccc;border-radius:4px;font-size:16px;margin-bottom:15px}.tos-buttons-wrapper{display:flex;justify-content:flex-end;gap:10px}.btn-cancel-style{background:#ddd;color:#333}.btn-agree-style{background:#E21E26;opacity:0.5;pointer-events:none}.invoice-backdrop-style{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.5);z-index:150;display:none;opacity:0;transition:opacity 0.3s}.invoice-backdrop-footer-style{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,0.3);z-index:-1;display:none;opacity:0;transition:opacity 0.3s}.visual-video-style{width:100%;height:100%;object-fit:cover}.invoice-disclaimer{padding:10px 30px;border-top:1px solid #f0f0f0;background:#fafafa;font-size:13px;color:#666}.back-to-top-btn{position:fixed;bottom:75px;right:20px;width:44px;height:44px;background:#fff;color:#000;z-index:9999;clip-path:polygon(0 0,100% 0,100% 70%,70% 100%,0 100%);display:flex;flex-direction:column;align-items:center;justify-content:center;cursor:pointer;box-shadow:0 4px 15px rgba(0,0,0,0.1);opacity:0;visibility:hidden;transform:translateY(20px);transition:all 0.4s cubic-bezier(0.16,1,0.3,1);border:1px solid #e5e5e5}.back-to-top-btn.visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top-btn svg{width:14px;height:14px;margin-bottom:-2px;transition:transform 0.3s ease}.back-to-top-btn span{font-family:'Space Mono',monospace;font-size:8px;font-weight:700;letter-spacing:0.1em;color:#000}.back-to-top-btn:active{background:#E21E26;border-color:#E21E26;transform:scale(0.95)}@media (min-width:1024px){.back-to-top-btn{display:none}}