/* === nihongonote ログイン画面用デザイン（login.php専用） === */

body {
  font-family: 'Helvetica Neue', sans-serif;
  background-color: #f0f2f5;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
}

.logo-container {
  text-align: center;
  margin-bottom: 20px;
}

.logo {
  max-width: 120px;
  height: auto;
  display: block;
  margin: 0 auto;
}

h2 {
  font-size: 24px;
  font-weight: bold;
  color: #333;
  margin-bottom: 25px;
  text-align: center;
}

.login-container {
  background-color: #ffffff;
  border: 1px solid #ddd;
  border-radius: 12px;
  padding: 40px 30px;
  max-width: 480px;
  width: 100%;
  margin: 0 auto;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  box-sizing: border-box;
}

.login-container label {
  display: block;
  font-size: 14px;
  color: #444;
  margin-bottom: 6px;
}

.login-container input[type="text"],
.login-container input[type="email"],
.login-container input[type="password"] {
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 20px;
  border: 1px solid #ccc;
  border-radius: 6px;
  font-size: 15px;
  box-sizing: border-box;
  background-color: #fafafa;
}

.login-container input[type="submit"] {
  width: 100%;
  padding: 10px;
  font-size: 15px;
  font-weight: bold;
  color: #fff;
  background-color: #28a745;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.login-container input[type="submit"]:hover {
  background-color: #218838;
}

.error {
  color: red;
  font-size: 13px;
  margin-bottom: 20px;
  text-align: center;
}

.register-link {
  text-align: center;
  margin-top: 28px;
  font-size: 14px;
  color: #333;
}

.register-link a {
  color: #007bff;
  text-decoration: none;
}

.register-link a:hover {
  text-decoration: underline;
}