body {
  margin: 0;
  font-family: 'Noto Sans KR', sans-serif;
  background: #f7f8fa;
}

.screen {
  display: none;
  max-width: 720px;
  margin: auto;
  padding: 24px;
}

.screen.active {
  display: block;
}

h1, h2, h3 {
  text-align: center;
}

input {
  width: 100%;
  padding: 14px;
  font-size: 16px;
  margin-top: 12px;
}

button {
  width: 100%;
  padding: 14px;
  margin-top: 16px;
  font-size: 16px;
  border: none;
  border-radius: 8px;
  background: #5b7cfa;
  color: #fff;
  cursor: pointer;
}

.option {
  background: #fff;
  border: 1px solid #ddd;
  border-radius: 10px;
  padding: 14px;
  margin: 10px 0;
  cursor: pointer;
}

.option:hover {
  background: #eef2ff;
}

.result-img {
  width: 100%;
  border-radius: 14px;
  margin: 20px 0;
}

button {
  position: relative;
  z-index: 10;
}

#result {
  position: relative;
  z-index: 5;
}

.screen {
  pointer-events: none;
}

.screen.active {
  pointer-events: auto;
}