body {
  font-family: "Noto Sans KR", sans-serif;
  background: snow;
  padding: 20px; /* reduced padding for mobile */
  margin: 0;
  box-sizing: border-box;
}

h1 {
  text-align: center;
  font-size: 1.8rem; /* slightly smaller on small screens */
  margin-bottom: 20px;
}

form {
  max-width: 500px;
  margin: 0 auto;
  padding: 10px;
}

input, textarea {
  width: 100%;
  padding: 12px;
  margin-bottom: 12px;
  font-size: 16px; /* easier to type on mobile */
  border: 1px solid #ccc;
  border-radius: 5px;
  box-sizing: border-box;
}

textarea {
  min-height: 120px; /* more space for messages */
  resize: vertical; /* user can resize vertically */
}

button {
  width: 100%;
  padding: 12px;
  background: black;
  color: white;
  border: none;
  border-radius: 5px;
  font-size: 16px;
  cursor: pointer;
}

button:hover {
  background: #333;
}

.note {
  text-align: center;
  margin-top: 15px;
  font-size: 14px;
  color: gray;
}

/* Mobile-specific tweaks using media queries */
@media (max-width: 480px) {
  bo