.site-footer {
			background-color: #ffffff;
			padding: 20px 0;
			text-align: center;
			font-size: 0.8em;
			color: #000;
			border-top: 1px solid #eee;
			margin-top: 40px; /* 他のコンテンツとの間隔を調整 */
		}

		.site-footer .container {
			max-width: 1100px;
			margin: 0 auto;
			padding: 0 20px;
			display: flex;
			justify-content: space-between;
			align-items: center;
			flex-wrap: wrap;
		}

		.site-footer .copyright {
			margin-bottom: 10px;
		}

		.site-footer .powered-by {
			margin-bottom: 10px;
		}

		.site-footer a {
			color: #0073aa;
			text-decoration: none;
		}

		.site-footer a:hover {
			text-decoration: underline;
		}

		@media (max-width: 600px) {
			.site-footer .container {
				flex-direction: column;
				text-align: center;
			}
			.site-footer .copyright,
			.site-footer .powered-by {
				margin-bottom: 5px;
			}
		}

		/* Optional: Add some basic styling for success/error messages */
		.success-message {
			color: green;
			font-weight: bold;
			margin-bottom: 15px;
		}
		.error-message {
			color: red;
			font-weight: bold;
			margin-bottom: 15px;
		}