body {
  background-color: antiquewhite;
  font-family: sans-serif;
  color: cadetblue;
}

h2 {
  font-family: Georgia, serif;
}

img {
  width: 20%;
  height: auto;
}

.homepage {
  position: relative;
  height: 100vh;
  background-image: url(%E7%85%A7%E7%89%87/%E8%83%8C%E6%99%AF.PNG);
  background-size: cover;
  background-position: center;
}

h1 {
  color: white;
  font-size: 3rem;
  text-align: center;
  text-shadow: 2px 2px black;
  margin-top: 0;
}

nav {
  background-color: rgba(255, 255, 255, 0.5);
  box-shadow: 0px 2px 4px rgba(0, 0, 0, 0.3);
  height: 60px;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 0 20px;
}

nav ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
}

nav ul li {
  margin-left: 20px;
}

nav ul li:first-child {
  margin-left: 0;
}

nav ul li a {
  color: #333;
  text-decoration: none;
  font-weight: bold;
  font-size: 18px;
  transition: all 0.2s ease-in-out;
}

nav ul li a:hover {
  color: #e67e22;
}

header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
}