body {
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background-color: #f0f8ff;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin: 0;
}

.login-container {
  background-color: white;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 0 10px rgba(0,0,0,0.1);
  width: 300px;
  text-align: center;
}

h1 {
  color: #2a6f97;
  margin-bottom: 10px;
}

input[type="password"] {
  width: 100%;
  padding: 10px;
  margin-top: 10px;
  font-size: 16px;
  border: 1px solid #ccc;
  border-radius: 6px;
}

button {
  background-color: #2a6f97;
  color: white;
  padding: 10px 20px;
  margin-top: 20px;
  font-size: 16px;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  width: 100%;
}

button:hover {
  background-color: #1c4f6d;
}

.error-msg {
  color: #d9534f;
  margin-top: 10px;
  font-size: 14px;
}