.bg-fullscreen {

  	background-size: cover;
  	background-position: bottom;
	background-repeat: no-repeat;

}


@media screen and (min-device-width:2559px){

	/* index */

		.bg-index-VR-starry {background-image: url(../image/index/4K/VR_starry_experience.jpg);}

		.bg-index-VR-hanabi {background-image: url(../image/index/4K/VR_hanabi_experience.jpg);}

		.bg-index-nightscape {background-image: url(../image/index/4K/VR_nightscape_experience.jpg);}

	/* VR 星空の旅 */

		.bg-VR-Starry-top {background-image: url(../image/starry/4K/VR_starry_milkyway.jpg);}

	/* VR 花火の旅 */

		.bg-VR-fireworks-top {background-image: url(../image/fireworks/4K/fireworks.jpg);}

	/* VR 夜景の旅 */

		.bg-VR-Nightscape-top {background-image: url(../image/nightscape/4K/nightscape.jpg);}

		.bg-nightscape-NipponYakei-0-cover-image {background-image: url(../image/nightscape/NipponYakei/4K/cover_image.jpg);}

	/* Contents 星空の国 */

		.bg-contents-NZ-cover-image {background-image: url(../image/contents/NZ/4K/cover_image.jpg);}

	/* Contents 星月夜 */

		.bg-contents-hoshidukiyo-cover-image {background-image: url(../image/contents/hoshidukiyo/4K/cover_image.jpg);}

	/* Contents 天月ノ詠 */

		.bg-contents-amatsuki-cover-image {background-image: url(../image/contents/amatsuki/4K/cover_image.jpg);}

	/* Contents 旅夜の空 */

		.bg-contents-ryoya-cover-image {background-image: url(../image/contents/ryoya/4K/cover_image.jpg);}

	/* Contents 富士山 */

		.bg-contents-fujisan-cover-image {background-image: url(../image/contents/fujisan/4K/cover_image.jpg);}

	/* Contents 星空探訪1 */

		.bg-contents-hoshizora_1-cover-image {background-image: url(../image/contents/hoshizora_1/4K/cover_image.jpg);}

	/* Contents 星空探訪2 */

		.bg-contents-hoshizora_2-cover-image {background-image: url(../image/contents/hoshizora_2/4K/cover_image.jpg);}

	/* Contents 星空探訪3 */

		.bg-contents-hoshizora_3-cover-image {background-image: url(../image/contents/hoshizora_3/4K/cover_image.jpg);}

	/* Contents 星空探訪4 */

		.bg-contents-hoshizora_4-cover-image {background-image: url(../image/contents/hoshizora_4/4K/cover_image.jpg);}

	/* Contents 汐彩 */

		.bg-contents-shiosai-cover-image {background-image: url(../image/contents/shiosai/4K/cover_image.jpg);}

	/* Contents 待機映像 */

		.bg-contents-earth-cover-image {background-image: url(../image/contents/earth/4K/cover_image.jpg);}

}



@media screen and (max-device-width:1920px){

	/* index */

		.bg-index-VR-starry {background-image: url(../image/index/HD/VR_starry_experience.jpg);}

		.bg-index-VR-hanabi {background-image: url(../image/index/HD/VR_hanabi_experience.jpg);}

		.bg-index-nightscape {background-image: url(../image/index/HD/VR_nightscape_experience.jpg);}

	/* VR 星空の旅 */

		.bg-VR-Starry-top {background-image: url(../image/starry/HD/VR_starry_milkyway.jpg);}

	/* VR 花火の旅 */

		.bg-VR-fireworks-top {background-image: url(../image/fireworks/HD/fireworks.jpg);}

	/* VR 夜景の旅 */

		.bg-VR-Nightscape-top {background-image: url(../image/nightscape/HD/nightscape.jpg);}

		.bg-nightscape-NipponYakei-0-cover-image {background-image: url(../image/nightscape/NipponYakei/HD/cover_image.jpg);}

	/* Contents 星空の国 */

		.bg-contents-NZ-cover-image {background-image: url(../image/contents/NZ/HD/cover_image.jpg);}

	/* Contents 星月夜 */

		.bg-contents-hoshidukiyo-cover-image {background-image: url(../image/contents/hoshidukiyo/HD/cover_image.jpg);}

	/* Contents 天月ノ詠 */

		.bg-contents-amatsuki-cover-image {background-image: url(../image/contents/amatsuki/HD/cover_image.jpg);}

	/* Contents 旅夜の空 */

		.bg-contents-ryoya-cover-image {background-image: url(../image/contents/ryoya/HD/cover_image.jpg);}

	/* Contents 星空探訪1 */

		.bg-contents-hoshizora_1-cover-image {background-image: url(../image/contents/hoshizora_1/HD/cover_image.jpg);}

	/* Contents 星空探訪2 */

		.bg-contents-hoshizora_2-cover-image {background-image: url(../image/contents/hoshizora_2/HD/cover_image.jpg);}

	/* Contents 星空探訪3 */

		.bg-contents-hoshizora_3-cover-image {background-image: url(../image/contents/hoshizora_3/HD/cover_image.jpg);}

	/* Contents 星空探訪4 */

		.bg-contents-hoshizora_4-cover-image {background-image: url(../image/contents/hoshizora_4/HD/cover_image.jpg);}

	/* Contents 富士山 */

		.bg-contents-fujisan-cover-image {background-image: url(../image/contents/fujisan/HD/cover_image.jpg);}

	/* Contents 汐彩 */

		.bg-contents-shiosai-cover-image {background-image: url(../image/contents/shiosai/HD/cover_image.jpg);}

	/* Contents 待機映像 */

		.bg-contents-earth-cover-image {background-image: url(../image/contents/earth/HD/cover_image.jpg);}

}


@media screen and (max-device-width:1025px){

	/* index */

		.bg-index-VR-starry {background-image: url(../image/index/HD/VR_starry_experience.jpg);}

		.bg-index-VR-hanabi {background-image: url(../image/index/HD/VR_hanabi_experience.jpg);}

		.bg-index-nightscape {background-image: url(../image/index/HD/VR_nightscape_experience.jpg);}

	/* VR 星空の旅 */

		.bg-VR-Starry-top {background-image: url(../image/starry/HD/VR_starry_milkyway.jpg);}

	/* VR 花火の旅 */

		.bg-VR-fireworks-top {background-image: url(../image/fireworks/HD/fireworks.jpg);}

	/* VR 夜景の旅 */

		.bg-VR-Nightscape-top {background-image: url(../image/nightscape/HD/nightscape.jpg);}

		.bg-nightscape-NipponYakei-0-cover-image {background-image: url(../image/nightscape/NipponYakei/HD/cover_image.jpg);}

	/* Contents 星空の国 */

		.bg-contents-NZ-cover-image {background-image: url(../image/contents/NZ/HD/cover_image.jpg);}

	/* Contents 星月夜 */

		.bg-contents-hoshidukiyo-cover-image {background-image: url(../image/contents/hoshidukiyo/HD/cover_image.jpg);}

	/* Contents 天月ノ詠 */

		.bg-contents-amatsuki-cover-image {background-image: url(../image/contents/amatsuki/HD/cover_image.jpg);}

	/* Contents 旅夜の空 */

		.bg-contents-ryoya-cover-image {background-image: url(../image/contents/ryoya/HD/cover_image.jpg);}

	/* Contents 星空探訪1 */

		.bg-contents-hoshizora_1-cover-image {background-image: url(../image/contents/hoshizora_1/HD/cover_image.jpg);}

	/* Contents 星空探訪2 */

		.bg-contents-hoshizora_2-cover-image {background-image: url(../image/contents/hoshizora_2/HD/cover_image.jpg);}

	/* Contents 星空探訪3 */

		.bg-contents-hoshizora_3-cover-image {background-image: url(../image/contents/hoshizora_3/HD/cover_image.jpg);}

	/* Contents 星空探訪4 */

		.bg-contents-hoshizora_4-cover-image {background-image: url(../image/contents/hoshizora_4/HD/cover_image.jpg);}

	/* Contents 富士山 */

		.bg-contents-fujisan-cover-image {background-image: url(../image/contents/fujisan/HD/cover_image.jpg);}

	/* Contents 汐彩 */

		.bg-contents-shiosai-cover-image {background-image: url(../image/contents/shiosai/HD/cover_image.jpg); background-position : 30% 50%;}

	/* Contents 待機映像 */

		.bg-contents-earth-cover-image {background-image: url(../image/contents/earth/HD/cover_image.jpg);}

}