.back-to-top{position:fixed;right:max(22px,env(safe-area-inset-right));bottom:calc(24px + env(safe-area-inset-bottom));z-index:90;display:grid;place-items:center;width:48px;height:48px;padding:10px;border:2px solid #e25523;border-radius:50%;background:#f5d6ea;color:#8d0f12;cursor:pointer;box-sizing:border-box;box-shadow:0 2px 8px #400c2820;touch-action:manipulation}
.back-to-top svg{display:block;width:100%;height:100%;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.back-to-top:focus-visible{outline:3px solid #8d0f12;outline-offset:4px}
@media(max-width:700px){.back-to-top{width:44px;height:44px;right:max(12px,env(safe-area-inset-right));bottom:calc(16px + env(safe-area-inset-bottom))}}
@media print{.back-to-top{display:none}}