body {
		background-color: #009e97;
		color: white;
	}

	a:link { 
		color: white;
		text-decoration: none;
		}
	a:visited { color: white; }
	a:hover { color: navy; }
	a:active { color: white; }


	.hr2 {
		border-top: 6px solid navy;
	}

	.center-container {
		position: relative;
		height: 100vh;
	}
	.center-content {
		position: absolute;
		top: 50%;
		left: 50%;
		transform: translate(-50%, -50%);
		width: 100%;
		max-width: 500px; /* 必要に応じて幅を調整 */
	}