/* ふわっと表示する共通クラス */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 2s ease forwards;
}

.fade-in2 {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 3s ease forwards;
}

.fade-in3 {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 4s ease forwards;
}

/* アニメーション定義 */
@keyframes fadeInUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

body {
  margin: 0;
  background-color: #fefae0;
  font-family: sans-serif;
  color: #264653;
}
canvas {
  display: block;
  width: 100%;
}
.container {
  padding: 2rem;
  max-width: 768px;
  margin: auto;
}
h2 {
  color: #2a9d8f;
  margin-bottom: 1rem;
}
ul {
  list-style-type: disc;
  padding-left: 1.5rem;
}
.card {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
  margin-bottom: 2rem;
}
.button-container {
  text-align: center;
}
button {
  background-color: #2a9d8f;
  color: white;
  padding: 0.5rem 1.5rem;
  border: none;
  border-radius: 9999px;
  font-size: 1rem;
  cursor: pointer;
}
button:hover {
  background-color: #21867a;
}