.guestbook-home-stack{--guestbook-spread-max-w:min(100%, 75rem);--guestbook-spread-max-h:min(calc(100dvh - 16rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px)), 46rem);width:min(var(--guestbook-spread-max-w), calc(var(--guestbook-spread-max-h) * 4 / 3));max-width:100%;margin-inline:auto}.guestbook-home-stack__header{width:100%;padding-bottom:clamp(.65rem,1.4vw,.9rem)}.guestbook-home-stack__book{width:100%;padding-top:clamp(.15rem,.6vw,.35rem)}@media (max-width:899px){.guestbook-home-stack{--guestbook-spread-max-h:min(calc(100dvh - 15rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px)), 40rem)}}@media (max-width:639px){.guestbook-home-stack{--guestbook-spread-max-w:min(100%, 94vw);--guestbook-spread-max-h:min(calc(100dvh - 14.25rem - env(safe-area-inset-top,0px) - env(safe-area-inset-bottom,0px)), 36rem)}.guestbook-home-stack__header{padding-bottom:.5rem}}