.okuyami-jump-btn{position:fixed;right:16px;bottom:72px;z-index:99999;width:56px;height:56px;border-radius:50%;border:0;background:#0073aa;color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 6px 18px rgba(0,0,0,.18);cursor:pointer;transition:transform .12s ease , box-shadow .12s ease , opacity .12s ease;opacity:1}.okuyami-jump-btn:hover{transform:translateY(-3px);box-shadow:0 10px 24px rgba(0,0,0,.22)}.okuyami-jump-btn:active{transform:translateY(0);box-shadow:0 6px 18px rgba(0,0,0,.18)}.okuyami-jump-btn:focus{outline:3px solid rgba(0,115,170,.25);outline-offset:2px}@media (max-width:768px){.okuyami-jump-btn{right:12px;bottom:64px;width:48px;height:48px}}.okuyami-jump-btn--hidden{opacity:0;pointer-events:none;transform:scale(.9)}.okuyami-jump-btn svg{width:20px;height:20px;display:block}.okuyami-jump-btn svg{pointer-events:none}@media (min-width:769px){.okuyami-jump-btn{display:none!important;pointer-events:none!important;visibility:hidden!important}}.okuyami-jump-btn{position:fixed!important;top:env(safe-area-inset-top,16px)!important;right:16px!important;bottom:auto!important;left:auto!important;z-index:99999!important}@media (max-width:768px){:root{--okuyami-top-offset: calc(env(safe-area-inset-top, 8px) + 48px);--okuyami-right-offset:24px}.okuyami-jump-btn{top:var(--okuyami-top-offset)!important;right:var(--okuyami-right-offset)!important;width:48px!important;height:48px!important}}.okuyami-jump-btn svg{transform:rotate(180deg);transition:transform .12s ease;pointer-events:none}