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(width<=640px),(pointer:coarse) and (orientation:portrait){.invite-cover{width:100vw;height:var(--app-height);min-height:100svh;box-shadow:none;position:fixed;inset:0}.title-block{top:12.8%}.envelope-button{width:94.5%;top:39.2%}.open-hint{bottom:12.8%}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.001ms!important;animation-duration:.001ms!important;animation-iteration-count:1!important;animation-delay:0s!important}}