/* フォントはY2K感を出すためにレトロで可愛い印象のものに */
@import url('https://fonts.googleapis.com/css2?family=Orbitron:wght@500&family=Zen+Kaku+Gothic+New:wght@400&display=swap');

body {
  background-color: #fff0f5; /* やさしいピンク */
  color: #5c5c5c; /* 黒に近いけど柔らかめのグレー */
  font-family: 'Zen Kaku Gothic New', sans-serif;
  margin: 0;
  padding: 0 20px;
  line-height: 1.8;
}

h1, h2, h3 {
  font-family: 'Orbitron', sans-serif;
  color: #ffcced; /* 少しくすんだ蛍光ピンク */
  text-shadow: 1px 1px 0px #ffd6f2;
  margin-top: 2em;
}

h1 {
  font-size: 2.2em;
  border-bottom: 2px dashed #ffcced;
  padding-bottom: 5px;
}

a {
  color: #cc7fa4;
  text-decoration: none;
  border-bottom: 1px dotted #cc7fa4;
}

a:hover {
  color: #ffb6c1;
  border-bottom: 1px solid #ffb6c1;
}

img {
  border: 2px solid #ffd6f2;
  border-radius: 8px;
  margin-top: 10px;
  margin-bottom: 20px;
}

p {
  max-width: 700px;
  background-color: #ffffffcc; /* 白に近い透明感 */
  padding: 10px 15px;
  border-left: 4px solid #ffcce7;
  border-radius: 8px;
  box-shadow: 1px 1px 3px #f0cfe2;
}

body::before {
  content: "";
  display: block;
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: url(“https://i.imgur.com/xcZZ6c5.png”); /* 好きなY2K風ノイズ・背景画像に差し替えてね */
  opacity: 0.1;
  z-index: -1;
  background-size: cover;
}

@media screen and (max-width: 600px) {
  body {
    padding: 10px;
  }

  img {
    width: 100%;
    height: auto;
  }
}

@media (max-width: 768px) {
  body {
    flex-direction: column;
    font-size: 18px;
  }

  nav {
    width: 100%;
    height: auto;
    position: static;
    box-sizing: border-box;
  }

  main {
    width: 100%;
    padding: 15px;
    box-sizing: border-box;
  }

  nav ul {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }

  nav ul li {
    margin: 10px;
  }
}

html, body {
  overflow-x: hidden;
}

* {
  box-sizing: border-box;
}