html,
body {
  height: 100%;
}

body {
  font-family: "Helvetica Neue", Arial, sans-serif;
  background-color: #f2f2f2;
  margin: 0;
  padding: 0;
}

header {
  background-color: orange;
  padding: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

#logo-container img {
  display: block;
}

#logo {
  margin-bottom: 5px;
}

/* トグルボタンのスタイル */
.menu-toggle {
  display: none;
}

.menu-toggle-label {
  display: block;
  cursor: pointer;
  padding: 10px;
  color: #fff;
  font-size: 24px;
}

/* メニューのスタイル */
.menu {
  display: none;
  position: absolute;
  right: 10px;
  background-color: #f26522;
  padding: 0;
  list-style-type: none;
  text-align: right;
}

.menu li {
  margin-top: 10px;
}

.menu li a {
  display: block;
  padding: 10px;
  color: #fff;
  text-decoration: none;
  transition: background-color 0.3s ease;
}

.menu li a:hover {
  background-color: #e1561c;
}

#content {
  max-width: 800px;
  margin: 20px auto;
  padding: 20px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

h2 {
  margin: 0 0 20px;
  font-size: 24px;
  color: #333;
}

p {
  margin-bottom: 20px;
  font-size: 16px;
  line-height: 1.5;
  color: #555;
}

footer {
  position: sticky;
  top: 100vh;
  background-color: #333;
  padding: 20px;
  text-align: center;
  color: #fff;
}