<!DOCTYPE html>
<html lang="ja">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>ネオン文字</title>
  <style>
    body {
      background-color: #ffffff;
      font-family: "Noto Sans JP", "Noto Sans CJK JP", "源ノ角ゴシック", sans-serif;
      font-size: 1rem;
      padding: 20px;
    }

    .neon {
      color: #ffffff;
      /* 陰影の色 */
      text-shadow:
        0 0 2px rgb(255 127 191 / 1),
        1px 0 3px rgb(255 127 191 / 1),
        -1px 0 3px rgb(255 127 191 / 1),
        0 1px 3px rgb(255 127 191 / 1),
        0 -1px 3px rgb(255 127 191 / 1),
        1px 1px 5px rgb(255 127 191 / 0.9),
        -1px -1px 5px rgb(255 127 191 / 0.9),
        1px -1px 5px rgb(255 127 191 / 0.9),
        -1px 1px 5px rgb(255 127 191 / 0.9),
        0 0 10px rgb(255 127 191 / 0.8),
        0 0 20px rgb(255 127 191 / 0.7),
        0 0 30px rgb(255 127 191 / 0.6);
    }
  </style>
</head>

<body>
  <p class="neon">これは均等に光るネオン文字のサンプルです。</p>
</body>

</html>

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