@media screen and (max-width: 480px) {

	.project_description .div_caption {
		width: 100%;
		height: 180px;
	}


/********************** update **********************/	
	.project_description .div_caption_update01 {
		width: 100%;
		height: 110px;
	}


/********************** company **********************/	
	
	.project_description .div_caption_img_youtube {
		width: 100%;
		height: 229px;
	}
	
	.project_description .div_caption_sample {
		width: 100%;
		height: 230px;
	}

	.project_description .titles {
		width: 95%;
		font-size: 24px;
	}

	.project_description .div_caption_sample_cover {
		width: 100%;
		height: 230px;
	}
	
	.project_description .div_caption_sample02 {
		width: 100%;
		height: 170px;
	}
	
	.project_description .div_caption_title04 {
		width: 100%;
		height: 70px;
	}
	.project_description .div_caption_title04_en {
		width: 100%;
		height: 70px;
	}