body {
            font-family: sans-serif;
            margin: 0;
            background-color: #f8f8f8;
            color: #333;
        }

        header {
            background-color: #ffcc00; /* 黄色 */
            padding: 20px;
            text-align: center;
        }

        h1 {
            font-size: 2em;
            color: #fff;
        }

        h2{
	padding-left: 30px;
	background-color:#FFCC00;
	border-radius: 10px;
	}

        h3{
	padding-left: 50px;
	border-bottom: 3px dotted #CCCCCC;
	width: 80%;
	
	}

	a#hiddenLink{
		text-decoration: none;
		color: #FFF;
	}

        nav {
            background-color: #FFF;
            text-align: center;
	padding: 20px;
        }

        nav a {
            display: inline-block;
            margin: 0 10px;
            padding: 10px;
            text-decoration: none;
            color: #333;
        }


        nav a:hover{
	background-color: #FFCC00;
	border-radius: 10px;
        }

        main {
            padding: 20px;
		width: 80%;
	margin: 0 auto;

        }



        .container {
            max-width: 960px;
            margin: 0 auto;
        }

        .content {
            background-color: #FFF;
            padding: 20px;
	padding-left:50px;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

	#co-info th, #container{
	box-sizing: border-box;
	height: 60px;
	line-height: 60px;
	width: 120px;
	border: 1px solid #FFCC00;
	}

	#box{
	display: flex;
	}

	.common{
	padding-left:60px;
}

	.common p{
	margin: 5px 20px;
	}

	#container{
	flex: 0 0 120px;
	text-align: center;
	font-weight: bold;

	}
#co-info td{
	text-align: left;
	padding-top: 20px;
	padding-left: 20px;
}

.item{
	margin: 0 20;
}

.description, .description-etc{
	margin: 0 40;
}



.description-etc::after {
  content: " etc…\a\a" ;
  white-space: pre-wrap; /* 改行を有効にする */
	margin-bottom: 10px;
}



.item::before {
  content: "●";
  color: #FFCC00;
}





	#contents{
	padding-left: 20px;
	}

.timeline p{
	margin: 0px;
	margin-left:80px;
	padding: 2px 0px 2px 30px;
	border-left: 2px solid #FFCC00;
}

       .timeline h3{
	border: 1px solid #FFCC00;
	border-radius: 30px;
	width: 110px;
	height:40px;
	line-height: 40px;
	}

        footer {
            background-color: #FFF;
            color: #000;
            padding: 10px;
            text-align: center;
        }

	footer::after{
	content: "© NO-BRAINER Corp. All Rights Reserved";
        text-align: center;
		display: block;
}



        /* スマートフォン対応 */
@media screen and (max-width: 480px) {


	main, table #co-info, .common{
		margin: 0;
		padding-left: 0px;
	}

	main{
		width: 100%;
	}

	h2, h3{
		width:80%;
		margin: 0 auto;
		margin-bottom:10px;
	}

	table,　th, td, tr, #box{
	display: block;
	}
	

	#co-info th, #container{
	height: 40px;
	line-height: 40px;
	}
	
	table, #box{
		margin-left: 10px;
	}

	#co-info td, #contents{
		margin: 0px 0px 0px 30px;
		padding-left: 0px;
	}

	#contents{
	margin: 20px 10px 20px 10px;
}
	


	.timeline p {
		margin-left: 30px;
		margin-right: 10px;
		padding: 2px 0px 2px 20px;
	}

	.timeline h3{
	margin:10px 0px;
	
}


		
            .container {
                max-width: 100%;
                padding: 10px;
            }

            h1 {
                font-size: 1.5em;
            }



            nav a {
                display: block;
                margin: 5px 0;
            }

            .content {
                padding: 10px;
            }
        }