/* ページを移る時の解像（js/page-transition.js）。着いたページは最初の描画から白で覆い、JS が升の波で引く。JS が来なくても 1.6 秒で消える */
html.pt-in::after { content: ""; position: fixed; inset: 0; z-index: 2147483000; background: #fff; pointer-events: none; animation: pt-safe 0s 1.6s forwards; }
@keyframes pt-safe { to { visibility: hidden; } }
.pt-cv { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 2147483001; pointer-events: none; }
@media (prefers-reduced-motion: reduce) { html.pt-in::after { display: none; } }