body {
  background-color: #f8f8f8;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
  font-family: 'Hiragino Mincho ProN', 'MS PMincho', serif;
}

.omikuji-container {
  background-color: #fff;
  border: 2px solid #c00;
  border-radius: 10px;
  padding: 40px;
  text-align: center;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

h1 {
  color: #c00;
  font-size: 2.5em;
  margin-bottom: 20px;
}

#draw-button {
  background-color: #c00;
  color: #fff;
  border: none;
  padding: 15px 30px;
  font-size: 1.2em;
  cursor: pointer;
  border-radius: 5px;
  transition: background-color 0.3s;
}

#draw-button:hover {
  background-color: #a00;
}

#result-area {
  margin-top: 30px;
  font-size: 2em;
  font-weight: bold;
  color: #333;
}

#post-button-area {
  margin-top: 20px;
}

.post-button {
  background-color: #1da1f2;
  color: #fff;
  border: none;
  padding: 10px 20px;
  font-size: 1em;
  cursor: pointer;
  border-radius: 5px;
  text-decoration: none;
  display: inline-block;
}

.post-button:hover {
  background-color: #0c85d0;
}