<div class="container">
  <img src="https://assets.codepen.io/221808/unilogo-white.svg" width="203" height="204" class="logo" alt="UNI" />
  <p>八番隊隊長 鹿猫抜雲斎</p>
</div>

.container {
  display: grid;
  place-content: center;
  place-items: center;
  grid-auto-flow: column;
}

/* その他のスタイル */

html,
body {
  background: #000;
  height: 100%;
}

body {
  color: white;
}

p {
  font-family: "Yuji Mai", serif;
  writing-mode: vertical-rl;
  font-size: clamp(16px, 100vh / 12, 32px);
}

.container {
  height: 100%;
  gap: 32px;
}

/* NaN・・・だと？ */