JSFiddle - React, Tailwind, and code Playground

HTML

<h1>
  <slide-up>titre en texte vertical</slide-up>
</h1>

CSS

html {
  display: grid;
  min-height: 100%;
}

body {
  margin: 0;
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-auto-flow: row dense;
  gap: 1em;
}

body>h1 {
  margin: 0;
  writing-mode: vertical-rl;
  transform: scale(-1);
  grid-column: 3;
  overflow: hidden;
  display: grid;
  align-items: center;
  max-height: 100vh;
}

body>h1>slide-up {
  margin: auto;
  animation: slideUp 8s infinite linear;
  font-size: 30em;
  white-space: pre;
  text-shadow: 0 10.85em darkgreen, 0 -10.85em darkblue;
  padding: 1em 0;
  transition:0.5s;
}

@keyframes slideUp {
  from {
    transform: translatey(100%);
  }
}

to {
  transform: translatey(-100%);
}