html {
  font-size: 16px;
  background-color: rgba(245, 245, 240, 1);
  font-family: "Kosugi Maru", sans-serif;
  color: rgba(10, 10, 10, 1);
}

body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
}

.container {
  width: 80%;
  max-width: 40rem;
  text-align: center;
  padding: 2rem;
  background-color: rgba(255, 255, 255, 0.95);
  border-radius: 0.5rem;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.2);
  border: 2px solid rgba(10, 10, 10, 0.5);
}

header h1 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
  color: rgba(10, 10, 10, 0.9);
}

.haiku-box {
  background-color: rgba(255, 255, 255, 0.85);
  padding: 2rem;
  margin-bottom: 1.5rem;
  border-radius: 0.5rem;
  min-height: 12rem;
  font-size: 1.8rem;
  font-family: "Kosugi Maru", sans-serif;
  line-height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(10, 10, 10, 0.9);
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.15);
}

button {
  background-color: rgba(10, 10, 10, 0.85);
  color: rgba(255, 255, 255, 0.87);
  border: none;
  padding: 1rem 2rem;
  font-size: 1.2rem;
  font-family: "Kosugi Maru", sans-serif;
  cursor: pointer;
  border-radius: 0.5rem;
  transition: background-color 0.3s;
}

button:hover {
  background-color: rgba(200, 0, 0, 0.85);
}

footer {
  margin-top: 2rem;
  font-size: 1rem;
  color: rgba(10, 10, 10, 0.6);
}

footer a {
  color: rgba(10, 10, 10, 0.7);
  text-decoration: none;
}

footer a:hover {
  color: rgba(200, 0, 0, 1);
}