body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f8f8f8;
}

header {
  background-color: #4CAF50;
  color: white;
  padding: 20px;
  font-size: 24px;
  text-align: center;
}

.container {
  margin: 20px auto;
  background: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  justify-content: center;
  text-align: center;
}

.item {
  padding: 10px;
}

.item img {
  width: 100px;
  height: 100px;
  border-radius: 50%;
}

/* ハンバーガーメニューのスタイル */
.menu-container {
  position: relative;
}

.menu-icon {
  position: absolute;
  top: 10px;
  right: 15px;
  border-radius: 5px;
}

.menu-icon img {
  border-radius: 50%;
}

.menu {
  display: none;
  position: absolute;
  top: 50px;
  right: 15px;
  background: white;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
  border-radius: 5px;
  width: 200px;
}