body {
  font-family: system-ui, sans-serif;
  background-color: #f9f9f9;
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

form {
  background: #ffffff;
  padding: 30px;
  border-radius: 12px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  max-width: 500px;
  width: 100%;
  box-sizing: border-box;
}

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: 12px 14px;
  margin-top: 8px;
  margin-bottom: 20px;
  border: 1px solid #ddd;
  border-radius: 6px;
  font-size: 14px;
  box-sizing: border-box;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

button {
  background-color: #333;
  color: white;
  padding: 12px 20px;
  font-size: 15px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease-in-out;
}

button:hover {
  background-color: #555;
}


h1 {
  font-size: 22px;
  margin-bottom: 20px;
  text-align: center;
  color: #333;
}


.notice {
  font-size: 14px;
  color: #555;
  margin-top: 20px;
  line-height: 1.5;
}


.footer {
  margin-top: 30px;
  text-align: center;
  color: #999;
  font-size: 13px;
  width: 100%;
}


@media screen and (max-width: 600px) {
  body {
    padding: 20px;
  }

  form {
    padding: 20px;
  }
}