* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Microsoft Yahei", sans-serif;
  line-height: 1.6;
  color: #333;
}

.hero {
  height: 100vh;
  background: url("../images/main-visual.png") no-repeat center center/cover;
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.overlay {
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  padding: 40px;
  text-align: center;
  border-radius: 12px;
}

main {
  padding: 40px 20px;
  max-width: 900px;
  margin: auto;
}

h1 {
  font-size: 3em;
  margin-bottom: 10px;
}

h2 {
  font-size: 2em;
  margin-top: 40px;
}

ul {
  list-style: none;
  padding-left: 20px;
}

ul li::before {
  content: "🌟";
  margin-right: 8px;
}

footer {
  text-align: center;
  padding: 20px;
  background-color: #f5f5f5;
  font-size: 0.9em;
}

footer a {
  color: #666;
  text-decoration: none;
}