.special-elite-regular {
  font-family: "Special Elite", system-ui;
  font-weight: 400;
  font-style: normal;
}

body {
    font-family: "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
    color: #333;
    background-color: #000000; 
    border: 0;
    padding: 0;
    margin: 0;
}

h1 {
    font-size: 300px;
    font-family: "Special Elite";
    margin: 100px auto auto auto;
    padding: auto;
    width: 900px;
    text-align: center;
    color: #eee;
}

img {
    width: 100%;
    margin-top: 20px;
}

p {
    font-size: 16px;
    margin: auto;
    line-height: 50px;
    width: 900px;
}

a {
    margin: 0 30px;
    color: #888;
    font-weight: 500;
    font-size: 30px;
    position: relative;
    transition: color 0.3s ease;
    text-decoration: none;
}

a::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 0;
  height: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(240, 168, 69, 0.7) 0%, rgba(255,255,200,0.2) 10%, transparent 30%);
  transition: width 0.3s ease, height 0.3s ease, opacity 0.3s ease;
  z-index: -1;
  opacity: 0;
}

a:hover {
  color: #ffe6b7; /* 光ったときの色 */
  text-shadow: 0 0 8px #ffe6b7, 0 0 20px #ffd381;
}

a:hover::before {
  width: 8em;
  height: 8em;
  opacity: 1;
}