CSS text-orientation Property - Playground Example

<!DOCTYPE html><html><head><style type="text/css">/* Layout */
.container {
  display: flex;
  gap: 16px;
  padding: 20px;
  background: #fff;
  font-family: "Yu Mincho", "Hiragino Mincho Pro", "Hiragino Kaku Gothic ProN", "Segoe UI", Roboto, sans-serif;
}

/* Card that demonstrates vertical text */
.card {
  width: 160px;
  height: 240px;
  padding: 12px;
  box-sizing: border-box;
  border: 1px solid #dcdcdc;
  border-radius: 6px;
  background: #fafafa;

  /* Enable vertical writing mode */
  writing-mode: vertical-rl;
  -webkit-writing-mode: vertical-rl;

  /* Keep the main paragraph vertical */
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
}

/* Make the heading readable in horizontal orientation */
.card h3 {
  writing-mode: horizontal-tb;
  margin: 0 0 8px 0;
  font-size: 14px;
  text-align: center;
}

.card p {
  margin: 0;
  font-size: 18px;
  line-height: 1;
  text-align: center;
}

/* Different text-orientation values */
.upright {
  text-orientation: upright;
  -webkit-text-orientation: upright;
}

.mixed {
  text-orientation: mixed;
  -webkit-text-orientation: mixed;
}
</style></head><body><div class="container">
  <div class="card upright">
    <h3>text-orientation: upright</h3>
    <p>縦書きテキスト Example 123 ABC</p>
  </div>
  <div class="card mixed">
    <h3>text-orientation: mixed</h3>
    <p>縦書きテキスト Example 123 ABC</p>
  </div>
</div></body></html>