@charset "utf-8";
/* CSS Document */


* {
	box-sizing: border-box;
}

html {
	font-size: 62.5%;
	overflow: auto;
}

body {
	font-family: "Noto Sans JP", serif;
	font-optical-sizing: auto;
	font-style: normal;
	font-size: 1.6rem;
	color: #000348;
	line-height: 1.4;
}

img {
	max-width: 100%;
	height: auto;
	vertical-align: bottom;	
}

p {
	color: #000462;
}
a {
	display: block;
	text-decoration: none;
}
a,
a:hover,
a:visited{
    color: inherit;
}

ul {
	list-style-type: none!important;
}

img, svg {
    vertical-align: middle;
}
h1 {
	margin-bottom: 0.8rem;
}

.header_container {
	position: fixed;
	top: 0;
	z-index: 999;
	display: flex;
	justify-content: space-between;
	align-items: center;
	width: 100%;
	padding: 6px 20px;
	box-shadow: 4px 4px 4px #737373;
	background-color: #FFF;
}

.header_container nav {
	display: flex;
	align-items: center;
	color: #0D6EFD;
	list-style-type: none!important;
}
.header_container nav li {
	padding: 6px 12px 4px;
}
.header_container nav li:nth-of-type(1) {
	position: relative;
}
.page_nav_list {
	position: absolute;
	top: 48px;;
	font-size: 1.4rem;
	padding: 6px;
	border: solid 1px #737373;
    border-radius: 4px;
    box-shadow: 4px 4px 4px #737373;
	background-color: #FFF;
}
.page_nav_list_block {
	display: block!important;
}
.page_nav_list_none {
	display: none;
}
.icon_redirect {
	width: 16px;
    height: auto;
    margin: 2px 2px 4px;
}
.inquiry_btn a {
	color: #FFF;
	text-align: center;
	padding: 8px 26px;
	border-radius: 20px;
	background-color: #27ae60;
}
.keyvisual_area {
	width: 1200px;
	margin: 70px auto 20px;
	padding: 20px 0;
}
.keyvisual_area img {
	width: 100%;
	height: auto;
	margin-right: 60px;
}
h2 {
	font-size: 4.0rem;
	font-weight: 900;
	color: #3f82ff;
	text-align: center;
	text-shadow:
    3px 3px 2px #eef4f7,
    -3px 3px 2px #eef4f7,
    -3px -3px 0 #eef4f7,
    3px -3px 0 #eef4f7;
	margin-bottom: 40px;
}
.introduction_wrapper h2 {
	color: #9a37db;
	text-shadow: none;
}
.anchor_wrapper h2 {
	text-shadow: none;
}
.flow_area h3 {
	text-align: center;
	font-weight: 800;
	color: #000462;
	font-size: 3.0rem;
}
section {
	width: 1200px;
	margin: 0 auto;
	padding: 0 0 40px;
}
section::before {
    content: "";
    display: block;
    height: 60px;
    margin-top: -60px; 
    visibility: hidden;
}
.img_smartphone {
	width: 236px;
	height: auto;
}
.introduction_wrapper{
	width: 100vw;
	box-sizing: border-box;
	margin-bottom: 70px;
	margin-left: calc(-50vw + 50%);
	padding-bottom: 70px;
	background-color: #FFF;
}
.introduction_area {
	width: 1200px;
	margin: 0 auto;
}
.introduction_container {
	display: flex;
	justify-content: space-between; 
	align-items: center;
	background-color: #FFF;
}
.introduction_box {
	background: linear-gradient(90deg, rgba(132,42,193,1) 0%, rgba(226,25,155,1) 33%, rgba(246,72,43,1) 63%, rgba(247,179,46,1) 100%) ;
	border-radius: 34px;
    padding: 5px;
}
.introduction_box dl {
	text-align: center;
	width: 360px;
	height: 320px;
    border-radius: 30px;
    padding: 28px 16px;
	display: flex;
    flex-direction: column;
	justify-content: flex-start;
    align-items: center;
	background: #ffffff;
}
.introduction_box dl dt {
	font-size: 2.4rem;
	color:  #000462;
	font-weight: 600;
}
.introduction_box dl dt img {
	min-height: 90px;
}
.introduction_box dl dd {
	padding: 10px 0;
	text-align: left;
}
.flow_area {
	margin-bottom: 40px;
	padding: 40px;
	border-radius: 20px;
	background-color: #FFF;
}
.flow_area ul{
	margin: 20px;
	display: flex;
    justify-content: space-around;
	align-items: flex-end;
}
.flow_area ul li dl dt {
	font-size: 1.8rem;
	font-weight: 600;
	line-height: 1.2;
	text-align: center;
	min-height: 64px;
	display: flex;
    flex-direction: column;
    justify-content: center;
}
.sample_flow {
	text-align: center;
	padding: 20px 0 70px;
}
.sample_flow h3 {
	font-size: 3.0rem;
}
.sample_flow_container {
	padding: 20px 60px 40px;
	display: flex;
	justify-content: space-around;
	align-items: flex-end;
	/*border-bottom: dotted 6px #3f82ff;*/
}
.sample_flow_container li dl dt {
	color: #3f82ff;
	position: relative;
    bottom: -18px;
    left: -14px;
    z-index: 1;
	display: flex;
    align-items: center;
}

.sample_flow_container li dl dt span {
	margin-right: 10px;
}
.sample_flow_container li dl dt strong {
	padding-bottom: 18px;
}
.sample_flow_container li dl dd {
	position: relative;
    z-index: 2;
}

.anchor_wrapper {
	position: relative;
	width:100vw;
	box-sizing:border-box;
	margin-bottom: 70px;
	margin-left:calc(-50vw + 50%);
	background-color: #FFF;
}
.anchor_area {
	width: 1200px;
	margin: 0 auto;
}
.anchor_container {
	display: flex;
	justify-content: space-around;
	flex-wrap: wrap;
}
.triangle {
	position: absolute;
    width: 0;
    height: 0;
    border-style: solid;
    border-right: 90px solid transparent;
    border-left: 90px solid transparent;
    border-top: 60px solid #ffffff;
    border-bottom: 0;
    left: 0;
    right: 0;
    margin: 0 auto;
    bottom: -60px;
}
.anchor_box {
	position: relative;
	width: 540px;
	margin-bottom: 40px;
	padding: 30px;
	border-radius: 20px;
	background-color: #eef4f7;
}
.anchor_box::before {
	content: "";
	display: block;
	width: 100px;
	height: 100px;
	position: absolute;
	top: -22px;
    right: -40px;
}
.anchor_box:nth-of-type(1)::before {
	background: url("img/example_icon01.svg") no-repeat center left /70px 62px;
}
.anchor_box:nth-of-type(2)::before {
	background: url("img/example_icon02.svg") no-repeat center left /70px 58px;
}
.anchor_box:nth-of-type(3)::before {
	background: url("img/example_icon03.svg") no-repeat center left /70px 70px;
}
.anchor_box:nth-of-type(4)::before {
	background: url("img/example_icon04.svg") no-repeat center left /60px 79px;
}

.anchor_box dl dt {
	font-size: 2.8rem;
	font-weight: 700;
	text-align: center;
	margin-bottom: 10px;
}
.anchor_txt {
	min-height: 86px;
}
.anchor_txt span {
	font-weight: 900;
	color: #f12385;
}

.anchor_btn a {
	color: #FFF;
	text-align: center;
	display: block;
	margin-top: 20px;
	padding: 10px;
	background-color: #689cff;
	border-radius: 40px;
}

.case_study_wrapper {
	width:100vw;
	box-sizing:border-box;
	margin-bottom: 40px;
	margin-left:calc(-50vw + 50%);
	background-color: #eef4f7;
}
.case_study_wrapper:nth-of-type(2n) {
	background-color: #FFF;
}
.case_study_container {
	width: 1200px;
	margin: 0 auto;
}
.case_study_ttl {
	position: relative;
	font-size: 3.0rem;
	text-align: center;
	margin: 20px 40px;
	padding: 28px;
	border-radius: 60px;
	background-color: #FFF;
}
.case_study_wrapper:nth-of-type(2n) .case_study_ttl {
	background-color: #eef4f7;
}
.case_study_wrapper .case_study_ttl::before {
	content: "";
	display: block;
	width: 156px;
	height: 56px;
	position: absolute;
	top: 24px;
	left: 24px;
	background: url("img/example.svg") no-repeat left center /156px 56px; 
}
.case_study_wrapper .case_study_ttl::after {
	content: "";
	position: absolute;
	display: block;
	right: 10px;
	bottom: 18px;
	width: 100px;
	height: 100px;
}
.case_study_wrapper:nth-of-type(1) .case_study_ttl::after {
	background: url("img/example_icon01.svg") no-repeat;
}
.case_study_wrapper:nth-of-type(2) .case_study_ttl::after {
	background: url("img/example_icon02.svg") no-repeat;
}
.case_study_wrapper:nth-of-type(3) .case_study_ttl::after {
	background: url("img/example_icon03.svg") no-repeat;
}
.case_study_wrapper:nth-of-type(4) .case_study_ttl::after {
	background: url("img/example_icon04.svg") no-repeat;
}

.case_study_txt {
	font-size: 2.0rem;
	text-align: center;
	padding: 20px;
}
.case_study_step {
	padding: 20px 60px 0;
	display: flex;
    justify-content: space-around;
	flex-wrap: wrap;
	margin-right: 20px;
}
.case_study_step li p {
	color: #0059ff;
	font-weight: 600;
	padding: 10px;
}
.case_study_step li p span {
	margin-right: 10px;
}
.case_study_step .img_smartphone,
.case_study_step .img_monitor {
	position: relative;
    z-index: 2;
    bottom: 28px;
    left: 24px;
}
.method_area {
	margin-bottom: 40px;
}
.question_area {
	padding: 40px;
	border-radius: 20px;
	background-color: #FFF;
}
.question_area dl {
	margin-bottom: 26px;
    padding-bottom: 20px;
	border-bottom: solid 1px #00057a;
}
.question_area dt {
	display: flex;
	margin-bottom: 10px;
	padding: 10px;
}
.question_area dd {
	font-size: 1.8rem;
	display: flex;
}
.question_area dd span {
	color: #FFF;
	font-weight: 900;
	text-align: center;
	display: inline-block;
	margin-right: 10px;
	padding: 6px;
    width: 40px;
    height: 40px;
	background-color: #3f82ff;
	border-radius: 50%;
}
.question_area dd p {
	color: #3f82ff;
	font-weight: 600;
}

/*-----フッター-背景------*/
.bg-primary {
    background-color: #0d6efd !important;
}
.color-secondary {
    fill: #4C8BFF;
}
.color-grey-bright {
    color: #FFF;
    fill: #eef4f7;
}
.footer-background-image-layer-1 {
    margin-bottom: -58%;
}
.footer-background-image-layer-2 {
    margin-bottom: -52%;
}
.footer-background-image-layer-3 {
    margin-bottom: -52%;
}
.footer-background-image-layer-4 {
    margin-bottom: -52%;
}
.footer-background-image-layer-1, .footer-background-image-layer-2, .footer-background-image-layer-3, .footer-background-image-layer-4 {
    position: absolute;
    bottom: 0;
    width: 100%;
}
.footer-part2-color {
	position:relative; 
	z-index:10;
	padding-bottom: 100px;
    background-image: linear-gradient(#0B1A39, #050c1a);
}
.container {
	max-width: 1200px;
}



/*------要素------*/

footer p, 
footer dl,
footer h2 {
	color: #FFF;
	text-shadow: none;
}
footer h2 {
	font-size: 3.0rem;
	margin-top: 60px;
}
footer a,
footer a:hover, 
footer a:visited {
    color: #FFF;
}
.footer_inner {
	width: 1200px;
	margin: 0 auto;
}
.footer_service_series {
	position:relative; 
	z-index:99;
}
.services-picture {
    width: 120px;
    height: auto;
}
.footer_service_series_container {
	display: flex;
	justify-content: center !important;
	flex-wrap: wrap;
}
.footer_service_series_container div {
	/*flex: 0 0 auto;*/
	width: 180px;
	text-align: center;
}
.services-picture {
    width: 100px;
    height: auto;
}
.footer_inquiry_box {
	display: flex;
    justify-content: space-around;
}

.tell_box {
    width: 400px;
    padding: 10px 40px;
	color: #FFF;
	text-align: center;
	line-height: 3.0rem;
    border: 1px solid white;
    border-radius: 10px;
    background-color: rgba(255, 255, 255, 0.15);
}
.tell_box p strong {
	font-size: 2.4rem;
}

.footer_inquiry_btn a {
	width: 400px;
	display: block;
    padding: 10px 40px;
	font-size: 2.4rem;
	color: #FFF;
	text-align: center;
	line-height: 6.0rem;
    border-radius: 10px;
    background-color: #27AE60;
}

.sns_icon {
	margin-bottom: 10px;
	width: 40px;
	height: auto;
}
.footer_uv_rogo {
	width: 350px;
}
.footer_link_list_container {
	display: flex;
	justify-content: space-between;
	margin-bottom: 40px;
}
.footer_link_list_box dl dt {
	font-size: 1.8rem
}
.footer_link_list_box dl dt,
.footer_link_list_box dl dd {
	margin-bottom: 10px;
}
.copyright {
	color: #FFF;
	text-align: center;
}

@media screen and (min-width:768px) {
	body {
		background: url("img/kv_background_pc.png") no-repeat top right /auto #eef4f7;
	}
	.pc_only {
		display: block;
	}
	.sp_only {
		display: none;
	}
	.hamburger_icon {
		display: none;
	}
	#hamburger_menu {
		display: none;
	}
	.keyvisual_area img {
		max-height: 1200px;
    	width: 1000px;
        margin: 0 auto;
	}
	
	.main_wrapper {
		padding: 80px 0;
	}
}

@media screen and (max-width:767px) {
	body {
		background-color: #eef4f7;
	}
	.pc_only {
		display: none;
	}
	.sp_only {
		display: block;
	}
	section {
		width: 100%;
		margin: 0 auto 10vw;
		padding: 0;
	}
	section::before {
		height: 10vw;
		margin-top: -10vw;;
	}
	footer section::before {
		height: auto;
		margin-top: 0;
	}
	h1 {
		margin-left: 2vw;
	}
	h1 img {
		width: 60vw;
		height: auto;
	}
	h2 {
		font-size: 2.0rem;
		margin: 4vw 2vw;
		padding-bottom: 2vw;
	}
	p {
		font-size: 1.4rem;
	}	
	dd {
		font-size: 1.4rem;
	}
	.img_smartphone {
		width: 30vw;
	}
	.header_container {
		padding: 0;
	}
	.header_container nav.hamburger_menu {
		display: none;
	}
	.header_container nav.hamburger_menu li {
    	padding: 2vw 4vw;
	}
	.hamburger_menu {
		display: block;
		width: 100%;
		position: absolute;
		top: 60px;
		z-index: 999;
		padding-bottom: 2vw;
		background-color: #FFF;
		box-shadow: 4px 4px 4px #737373;
	}
	.hamburger_icon {
		position: absolute;
		right: 4vw;
		top: 12px;
		display: block;
		width: 60px;
		height: 40px;
		border: solid 1px rgb(0 0 0 / 10%);
		border-radius: 0.25rem;
		z-index: 10;
		cursor: pointer;
	}
	.hamburger_icon span {
		transition: all .2s;
		position: absolute;
		height: 2px;
		background-color: #707071;
		width: 30px;
        z-index: 10;
        left: 0;
        right: 0;
        margin: 0 auto;
	}
	.hamburger_icon span:nth-of-type(1) {
    	top: 10px;
	}
	.hamburger_icon span:nth-of-type(2) {
    	top: 18px;
	}
	.hamburger_icon span:nth-of-type(3) {
    	top: 26px;
	}
	.hamburger_icon.open span:nth-of-type(1) {
    	 transform: translateY(10px) rotate(-50deg);
	}
	.hamburger_icon.open span:nth-of-type(2) {
    	 opacity: 0;
	}
	.hamburger_icon.open span:nth-of-type(3) {
    	transform: translateY(-6px) rotate(50deg);
	}
	.header_container {
		height: 60px;
	}
	.page_nav_list {
		position: relative;
		top: 0;
		margin: 2vw;
		padding: 2vw;
		box-shadow: none;
	}
	.icon_redirect {
		height: auto;
		margin: 1vw;
	}
	.inquiry_btn a {
		padding: 8px;
	}
	.keyvisual_area {
		width: 100%;
		margin: auto;
	}
	.keyvisual_area img {
		margin-right: 0;
	}
	.introduction_wrapper {
		margin-bottom: 8vw;
		padding-bottom: 4vw;
	}
	.introduction_area {
		width: 100%;
	}
	.introduction_container {
		width: 100%;
		display: block;
		padding: 4%;
	}
	.introduction_box {
		margin-bottom: 6vw;
	}
	.introduction_box dl {
		width: 100%;
		height: auto;
		min-height: 44vw;
        padding: 4vw;
		flex-direction: column;
        justify-content: center;
	}
	.introduction_box dl dt {
		font-size: 1.6rem;
	}
	.introduction_box:nth-of-type(1) dl dt img {
		width: 48px;
		height: auto;
	}
	.introduction_box:nth-of-type(2) dl dt img {
		width: 36px;
		height: auto;
	}
	.introduction_box:nth-of-type(3) dl dt img {
		width: 62px;
		height: auto;
	}
	.flow_area {
		padding: 2vw;
	}
	.flow_area h3 {
		font-size: 1.8rem;
	}
	.flow_area ul {
		flex-wrap: wrap;
		margin: 2vw;
	}
	.flow_area ul li {
		width: 46vw;
		text-align: center;
		margin: 4vw 0;
	}
	.flow_area ul li dl dt {
		font-size: 1.6rem;
		min-height: auto;
		margin-bottom: 2vw;
	}
	.sample_flow {
		padding: 0;
	}
	.sample_flow_container {
		margin: 2vw;
		padding: 4vw 0;
		flex-wrap: wrap;
		align-items: flex-end;
	}
	.sample_flow_container li {
		width: 48vw;
		margin-top: 4vw;
	}
	.sample_flow_container li dl dt {
		font-size: 1.4rem;
		line-height: 1.2;
		left: 2vw;
		bottom: 1vw;
	}
	.sample_flow_container li dl dt span {
		margin-right: 1vw;
	}
	.sample_flow_container li dl dt strong {
		padding-bottom: 0;
	}
	.sample_flow h3 {
		font-size: 1.8rem;
	}
	.number {
		width: 8vw;
		height: auto;
	}
	.anchor_wrapper  {
		margin: 16vw 0;
	}
	.triangle {
		border-right: 30vw solid transparent;
		border-left: 30vw solid transparent;
		border-top: 20vw solid #ffffff;
		bottom: -12vw;
	}
	.anchor_area {
		width: 100%;
	}
	.anchor_container {
		padding: 0 8vw 4vw;
	}
	.anchor_box {
		width: 100%;
		margin-bottom: 4vw;
		padding: 8vw 6vw 6vw;
	}
	.anchor_box::before {
		width: 10vw;
        height: 16vw;
        top: -6vw;
        right: 2vw
	}
	
	.anchor_box:nth-of-type(1)::before {
		background: url("img/example_icon01.svg") no-repeat center left /100% auto;
	}
	.anchor_box:nth-of-type(2)::before {
		background: url("img/example_icon02.svg") no-repeat center left /100% auto;
	}
	.anchor_box:nth-of-type(3)::before {
		background: url("img/example_icon03.svg") no-repeat center left /100% auto;
	}
	.anchor_box:nth-of-type(4)::before {
		background: url("img/example_icon04.svg") no-repeat center left /100% auto;
	}

	.anchor_box dl dt {
		font-size: 1.8rem;
	}
	.case_study_container {
		width: 100%;
	}
	.case_study_ttl {
		font-size: 1.8rem;
		margin: 2vw;
    	padding: 4vw;
	}
	.case_study_wrapper .case_study_ttl::before {
		content: "";
		display: block;
		width: 20vw;
		height: 10vw;
		margin: auto;
		position: absolute;
		top: 0;
		bottom: 0;
        left: 4vw;
		background: url("img/example.svg") no-repeat left center /100% auto; 
	}
	.case_study_wrapper .case_study_ttl::after {
		width: 10vw;
        height: 16vw;
		margin: auto;
        top: 0vw;
		bottom: 0;
        right: 4vw;
	}
	.case_study_wrapper:nth-of-type(1) .case_study_ttl::after {
		background: url("img/example_icon01.svg") no-repeat center left /100% auto;
	}
	.case_study_wrapper:nth-of-type(2) .case_study_ttl::after {
		background: url("img/example_icon02.svg") no-repeat center left /100% auto;
	}
	.case_study_wrapper:nth-of-type(3) .case_study_ttl::after {
		background: url("img/example_icon03.svg") no-repeat center left /100% auto;
	}
	.case_study_wrapper:nth-of-type(4) .case_study_ttl::after {
		background: url("img/example_icon04.svg") no-repeat center left /100% auto;
	}
	.case_study_txt {
		font-size: 1.4rem;
		font-weight: 400;
		text-align: left;
		padding: 4vw;
	}

	.case_study_step {
		margin-right: auto;
		padding: 0 2vw 4vw;
	}
	
	.case_study_step li {
		width: 48vw;
		text-align: center;
	}
	.case_study_step li p {
		font-size: 1.4rem;
		padding: 0.8vw;
        text-align: left;
	}
	.case_study_step .img_smartphone, 
	.case_study_step .img_monitor {
		bottom: 10px;
   		left: 0;
	}
	.method_area {
		margin-bottom: 10vw;
		padding: 2vw;
	}
	.question_area {
		padding: 8vw;
	}
	.question_area dl {
		margin-bottom: 4vw;
		padding-bottom: 4vw
	}
	.question_area dd p {
		width: 80%;
	}
	footer h2 {
		font-size: 2.0rem;
		margin-top: 8vw;
	}
	
	.footer_inner {
		width: 100%;
	}
	.tell_box {
		width: 100%;
		
	}
	.footer-part2-color {
		padding-bottom: 20vw;;
	}
	.footer_service_series_container {
		width: 90vw;
        margin: 0 auto;
		justify-content: flex-start!important;
	}
	.footer_service_series_container div {
		text-align: center;
		margin-bottom: 4vw;
		width: 44vw;
	}
	.footer_inquiry_box {
		display: block;
		padding: 0 4vw;
		
	}
	.footer_inquiry_btn a {
		font-size: 2.0rem;
		line-height: 2.0rem;
		width: 100%;
		margin-top: 4vw;
		padding: 4vw;		
	}
	.footer_link_list_container {
		display: block;
		font-size: 2.0rem;
		margin-top: 0;
		padding: 4vw;
	}
	.footer_link_list_box {
		margin-bottom: 4vw;
	}
	.footer_uv_rogo {
		width: 56vw;
}
	
}



@media screen and  (min-width:640px) and (max-width: 1200px) {
	body {
		background-size: 90% auto;
	}
	h1 {
		width: 40%;
	}
	.keyvisual_area {
		width: 100%;
		height: 100%;
	}
	.keyvisual_area img {
		width: 80%;
        margin: 0 auto;
	}
	
	.main_visual_sp {
		margin-bottom: 8vw!important;
	}
	section {
		width: 100%;
	}
	h2 {
		font-size: 2.8rem;
	}
	.introduction_box:nth-of-type(1) dl dt img {
		width: 64px;
		height: auto;
	}
	.introduction_box:nth-of-type(2) dl dt img {
		width: 56px;
		height: auto;
	}
	.introduction_box:nth-of-type(3) dl dt img {
		width: 82px;
		height: auto;
	}
    .header_container {
        height: 60px;
    }
	.introduction_area {
    	width: 100%;
	}
	.flow_area {
		padding: 10px;
	}
	.anchor_area {
		width: 100%;
	}
	.anchor_box {
		width: 46%;
	}
	.anchor_box::before {
		right: -24px;
    	z-index: 999;
	}
	.anchor_container {
        padding: 0 4vw 4vw;
    }
	.anchor_box dl dt {
		font-size: 2.4rem;
	}
	.introduction_box {
        width: 60%;
        margin: 0 auto 6vw
    }
	.introduction_box dl {
		width: 100%;
		max-height: 286px;
	}
	.case_study_container {
		width: 100%
	}
	.case_study_ttl {
		font-size: 2.2rem;
	}
	#question {
		width: 100%;
	}
	.footer_inner {
		width: 100%;
	}
	.introduction_container {
		flex-wrap: wrap;
	}

	
}


/*▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼泡▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼*/

.footer-background-image-bubble-1,
.footer-background-image-bubble-2,
.footer-background-image-bubble-3,
.footer-background-image-bubble-4 {
position: absolute;
}

.footer-background-image-bubble-1 {
opacity: 0.5;
left: 20%;
bottom: 30%;
width: 3em;
}

@keyframes bubble-upgoing {
0% {
bottom: 0;
}

100% {
bottom: 2000px;
}
}

@keyframes bubble-delay {
0% {
display: none;
}

100% {}
}

.footer-background-image-bubble-1,
.footer-background-image-bubble-2,
.footer-background-image-bubble-3,
.footer-background-image-bubble-4 {
visibility: visible;
position: relative;
animation: bubble-upgoing ease-out 12s infinite,
bubble-delay linear 20s infinite;
}

.footer-background-image-bubble-1 {
opacity: 1;
left: 20%;
width: 6em;
animation-delay: 4s;
animation-duration: 18s;
}


.footer-background-image-bubble-2 {
opacity: 1;
left: 65%;
width: 1.5em;
animation-duration: 28s;
animation-delay: 9s;
}

.footer-background-image-bubble-3 {
opacity: 0.5;
left: 45%;
width: 1em;
animation-duration: 30s;
animation-delay: 25s;
}

.footer-background-image-bubble-4 {
opacity: 1;
left: 5%;
width: 1.5em;
animation-duration: 35s;
animation-delay: 4s;
}