.menu-btn {
  position: absolute;
  top: 30px;
  right: 30px;
  width: 50px;
  height: 50px;
  background-color: black;
  border: none;
  cursor: pointer;
  z-index: 1000;
}


a:hover{
	color:orangered;
}




nav.hidden {
  display: none;
}

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

nav li {
  margin: 0.5em 0;
}

nav a {
  color: #fff;
  text-decoration: none;
}
.movie-section {
  padding: 2em;
}

.movie-section h2 {
  margin-top: 2em;
}

.video-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5em;
  margin-top: 1em;
}

.video-item {
  flex: 1 1 300px;
  max-width: 400px;
}

.video-item iframe {
  width: 100%;
  height: 225px;
  background-color: #ddd;
}

.video-title {
  font-size: 0.9em;
  margin-top: 0.3em;
}

a{
  color: gray;
  text-decoration: none;
}

a:visited{
	color: black;
}

a:hover{
	color:orangered;
}

footer {
  background-color: #000;
  color: #fff;
  text-align: center;
  padding: 0.1em 3em;
  margin-top: 3em;
}

.sns-icons img {
  height: 20px;
  margin: 0 5px;
}

/* メニュー基本 */
nav {
  position: absolute;
  top: 50px;
  right: 1em;
  background-color: rgba(0, 0, 0, 0.9);
  padding: 1em;
  border-radius: 4px;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: opacity 0.4s ease, transform 0.4s ease, visibility 0.4s ease;
}

nav.show {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* メニューリスト */
nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

nav li {
  margin: 0.5em 0;
}

nav a {
  color: #fff;
  text-decoration: none;
  font-size: 1.1em;
}

nav a:hover {
  text-decoration: underline;
}