@charset "utf-8";
/* reset */
* {
margin: 0;
padding: 0;
box-sizing: border-box;
word-break: break-all;
word-wrap: break-word;
}
html {
font-family: sans-serif;
-ms-text-size-adjust: 100%;
-webkit-text-size-adjust: 100%;
font-size: 16px;
line-height: 1.3;
}
body {
padding: 0;
margin: 0;
background: #fff;
color: #000;
font-size: 1rem;
font-family: 'Noto Sans JP', sans-serif;
font-weight: normal;
width: 100%;
height: 100%;
}
li{
list-style: none;
}
#wrap *::before,
#wrap *::after {
visibility: inherit;
}
*::before,
*::after,
ul::before,
ul::after,
ol::before,
ol::after,
dl::before,
dl::after {
display: none;
}
#wrap .box {
margin-top: 0;
}
img {
max-width: 100%;
vertical-align: top;
}
a {
color: var(--link_color);
}
/* reset end */

/* wrap */
	@media screen and (max-width: 768px) {
	html {
	font-size: 14px;
	}
	}
#wrap {
min-width: 320px;
padding-top: 80px;
overflow: hidden;
min-height: 100vh;
background: #000 url("../images/visual_bg.jpg") repeat-x center / auto 100%;
background-attachment: fixed;
animation: scroll-bg-2 100s linear infinite;
transition: .6s;
}
    @media screen and (min-width: 1400px) {
    #wrap {
    animation: scroll-bg 100s linear infinite;
    }
    }
    @media screen and (max-width: 768px) {
    #wrap {
    animation: scroll-bg-sp 100s linear infinite;
    }
    }
@keyframes scroll-bg {
from {
background-position: 0 0;
}
to {
background-position: -2000px 0;
}
}
@keyframes scroll-bg-2 {
from {
background-size: auto 80%;
background-position: 0 0;
}
to {
background-size: auto 80%;
background-position: -1600px 0;
}
}
@keyframes scroll-bg-sp {
from {
background-size: auto 50%;
background-position: 0 0;
}
to {
background-size: auto 50%;
background-position: -1000px 0;
}
}

	@media screen and (min-width: 768px) and (max-width: 3000px) {
	}
	@media screen and (max-width: 1200px) {
	}
    @media screen and (max-width: 768px) {
    #wrap {
    padding-top: 60px!important;
    }
    }
#wrap img {
vertical-align: top;
}
#wrap .area {
position: relative;
clear: both;
display: block;
z-index: 10;
padding: clamp(30px, 3.47vw, 50px) 0;
padding: clamp(60px, 6.94vw, 100px) 0;
}
	@media screen and (max-width: 768px) {
	}
#wrap .area_in {
display: flex;
flex-flow: column;
row-gap: clamp(30px, 3.47vw, 50px);
position: relative;
clear: both;
margin: 0 auto;
padding: 0 20px;
width: 100%;
max-width: 1440px;
}
/* 1440px最大
vw = px ÷ 14.4
100px ÷ 14.4 = 6.94vw
50px ÷ 14.4 = 3.47vw
40px ÷ 14.4 = 2.77vw
30px ÷ 14.4 = 2.08vw
20px ÷ 14.4 = 1.38vw
10px ÷ 14.4 = 0.69vw

padding: clamp(80px, 6.94vw, 100px) 0;
padding: clamp(40px, 4.16vw, 60px) 0;
padding: clamp(30px, 3.47vw, 50px) 0;
padding: clamp(20px, 2.77vw, 40px) 0;
font-size: clamp(16px, 2.08vw, 30px);
font-size: clamp(14px, 1.38vw, 20px);

*/
.pc {
display: block;
}
.sp {
display: none;
}
	@media screen and (max-width: 768px) {
	.pc {
	display: none;
	}
	.sp {
	display: block;
	}
	}
/* wrap end */

/* header */
#header {
position: absolute;
top: 0;
left: 0;
min-width: 320px;
width: 100%;
height: 80px;
z-index: 1;
z-index: 999;
transition: 0.2s;
}
#header * {
transition: 0.2s;
}
#header .area_in {
height: 100%;
max-width: 100%;
display: flex;
flex-flow: row nowrap;
justify-content: flex-start;
align-items: stretch;
padding: 0;
}
#header .branding {
position: relative;
flex: 0 0 320px;
align-self: center;
display: flex;
}
#header .logo {
align-self: center;
padding: 0 10px;
}
#header .logo a {
display: flex;
height: 100%;
}
#header .logo img {
max-height: inherit;
width: clamp(200px, 20.8vw, 300px);
height: auto;
}
	@media screen and (max-width: 768px) {
	#header {
	height: 60px;
	}
	#header .logo.my img {
	width: auto;
	height: 35px;
	}
	#header .area_in {
	padding-left: 0;
	padding-right: 50px;
	}
	}
	@media screen and (max-width: 500px) {
	#header .logo.my img {
	height: 30px;
	}
	}
/* header end */

/* menu */
#menubtn {
display: none;
position: absolute;
width: 50px;
height: 100%;
right: 0;
top: 0;
cursor: pointer;
transition: .3s;
background: var(--burger_icon);
z-index: 99999;
}
#menubtn.active {
background: var(--cross_icon);
}
	@media screen and (max-width: 768px) {
	#menubtn {
	display: block;
	}
	}
.menu li a {
display: inline-block;
text-decoration: none;
font-weight: bold;
text-align: center;
}
	@media screen and (min-width: 768px) {
	#menu {
	display: flex;
    display: none;
	flex: 1 0 0%;
	column-gap: 20px;
	align-items: center;
	padding: 0 20px;
	}
	#menu ul.menu {
	flex: 1 0 0%;
	display: flex;
	flex-flow: row wrap;
	justify-content: flex-end;
	align-items: center;
	font-size: 0.9rem;
	font-size: 1rem;
	gap: 5px 30px;
	}
	#menu ul.menu li a {
	width: 100%;
	height: 100%;
	padding: 0;
	color: var(--menu_txt_c);
	}
	#menu ul.menu li a:hover {
	color: var(--menu_txt_hover_c);
	}
	}
	@media screen and (max-width: 768px) {
	#menu {
	display: flex;
	position: fixed;
	left: 100%;
	top: 0;
	height: 100%;
	width: 100%;
	padding: 60px 0 0 0;
	padding: 60px 20px 0;
	background: var(--menu_sp_bg_c);
	transition: all 0.3s linear;
	z-index: 100;
	border-right: none;
	height: 100%;
	flex-flow: column nowrap;
	row-gap: 20px;
	}
	#menu.active {
	left: 0;
	}
	#menu ul.menu {
	display: block;
	}
	#menu ul.menu li a {
	display: block;
	width: 100%;
	height: 100%;
	padding: 0;
	text-align: center;
	padding: 10px;
	color: var(--menu_sp_link_c);
	}
	}
/* menu end */

/* visual */
#visual {
width: 100%;
height: auto;
padding: 0!important;
}
#visual::before {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
bottom: 0;
background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,0.5));
z-index: 1;
}
#wrap #visual .area_in {
display: flex;
flex-flow: column;
align-items: center;
justify-content: center;
max-width: 100%;
padding: 0;
z-index: 2;
}
#visual .visual_img {
background: url("../images/visual.png") no-repeat center / 100% auto;
max-width: 1000px;
width: 100%;
aspect-ratio: 1200 / 700;
padding: 0;
}
#visual .area_in img {
opacity: 0;
width: 100%;
height: auto;
aspect-ratio: 1200 / 700;
max-width: 100%;
}
#visual .contact_btn_box {
padding: 0 20px;
}
	@media screen and (min-width: 768px) and (max-width: 1200px) {
    #visual .visual_img {
	}
	}
	@media screen and (max-width: 768px) {
    #visual .visual_img {
    background-image: url("../images/visual_sp.png");
    aspect-ratio: 800 / 800;
	}
	}
#visual .logo {
display: flex;
flex-flow: column;
gap: 20px;
padding-top: clamp(80px, 6.94vw, 100px);
background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,0.5), rgba(0,0,0,0.5));
}
#visual .logo .bar {
text-align: center;
color: #fff;
font-size: clamp(1.5rem, 2.77vw, 2rem);
padding: 0 20px;
}
#visual .logo .bar b {
color: var(--main_c3);
font-weight: normal;
}
#visual .logo_box {
background: #fff;
padding: clamp(16px, 2.08vw, 20px) 0;
}
#visual .list_logo li {
padding: 0 10px;
}
/* visual end */

/* contact */
.contact_btn_box {
background: none;
width: 100%;
}
.contact_btn {
position: relative;
display: flex;
width: 100%;
height: 70px;
max-width: 500px;
margin: 0 auto;
align-items: center;
justify-content: center;
font-weight: 500;
text-decoration: none;
text-align: center;
color: var(--btn_txt_c);
font-size: 1.4rem;
border-radius: 10px;
transition: .3s;
background: var(--btn_bg_c);
box-shadow: 0 0 10px rgba(0,0,0,0.0);
}
.contact_btn span {
display: inline-block;
}
/*
.contact_btn::before {
content: "";
position: absolute;
right: 10px;
top: 50%;
width: 50px;
height: 50px;
background: var(--btn_icon_arrow);
transform: translate(0,-50%);
}
*/
.contact_btn::after {
content: "";
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
display: block;
background: rgba(255,255,255,0.0);
border-radius: 10px;
transition: .3s;
visibility: inherit;
}
.contact_btn:hover {
}
.contact_btn:hover::after {
background: rgba(255,255,255,0.2);
}
.contact_btn.contact_end {
background: #999;
}
	@media screen and (max-width: 768px) {
	.contact_btn {
	width: 100%;
	height: 80px;
	font-size: 1.5rem;
	}
	.contact_btn::before {
	width: 40px;
	height: 40px;
	}
	.contact_btn::after {
	border-radius: 40px;
	border-radius: 10px;
	}
	}
	@media screen and (max-width: 520px) {
	.contact_btn {
	height: 60px;
	font-size: 1.3rem;
	}
	.contact_btn::before {
	width: 30px;
	height: 30px;
	}
	.contact_btn::after {
	border-radius: 30px;
	border-radius: 10px;
	}
	}
/* contact end */

/* footer */
#wrap #footer {
background: #333;
color: #fff;
padding: clamp(30px, 3.47vw, 50px) 0;
}
#footer .area_in {
gap: 30px;
max-width: inherit;
}
.flogo {
text-align: center;
}
.flogo img {
width: clamp(200px, 20.8vw, 300px);
}
#footer .copy {
text-align: center;
font-size: 0.9rem;
}
#nav {
display: flex;
flex-flow: row nowrap;
justify-content: center;
align-items: stretch;
line-height: 1;
gap: 40px;
}
#nav li {
position: relative;
}
#nav li:not(:last-child)::before {
content: "";
display: block;
width: 1px;
height: 100%;
background: #ccc;
background: rgba(255,255,255,0.2);
position: absolute;
right: -20px;
top: 50%;
transform: translate(0,-50%);
}
#nav li a {
display: inline-block;
text-decoration: none;
color: #fff;
}
#nav li a:hover {
text-decoration: underline;
}
	@media screen and (min-width: 768px) {
	#nav li a:hover {
	text-decoration: underline;
	}
	}
	@media screen and (max-width: 768px) {
    #nav {
	gap: 0;
    flex-flow: column wrap;
    justify-content: flex-start;
    border-top: 1px solid rgba(255,255,255,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.2);
    }
	#nav li:not(:last-child)::before {
	width: 100%;
	height: 1px;
	top: inherit;
	bottom: 0;
	right: inherit;
	left: 0;
	transform: none;
	}
    #nav li a {
    display: block;
    padding: 20px 0;
    text-decoration: none;
    }
	}
	@media screen and (min-width: 768px) {
	#nav {
	flex-flow: row wrap;
	gap: 10px 40px;
	font-size: 0.9rem;
	}
	}
#nav li {
position: relative;
}
/* footer end */

/* pagetop */
#pagetop {
position: fixed;
right: 10px;
bottom: -100px;
transition: all 0.3s linear;
opacity: 0;
z-index: 100;
}
#pagetop.active {
bottom: 10px;
opacity: 0.9;
}
#pagetop:hover {
opacity: 0.6;
}
#pagetop a {
display: block;
width: 60px;
height: 60px;
border-radius: 30px;
background: rgba(0,0,0,0.8);
text-indent: -9999px;
}
#pagetop a:before {
display: block!important;
content: "";
position: absolute;
left: 50%;
top: 50%;
transform: translate(-50%,-50%);
width: 80%;
height: 80%;
background: var(--top_arrow_w);
}
	@media screen and (max-width: 768px) {
	#pagetop.active,
	#pagetop:hover {
	opacity: 0.8;
	}
	#pagetop a {
	width: 40px;
	height: 40px;
	border-radius: 20px;
	}
	}
/* pagetop end */


/* title */
.area_tit {
display: flex;
flex-flow: column;
align-items: flex-start;
justify-content: center;
gap: 10px;
line-height: 1.1;
}
.area_tit > b {
font-size: 1.3rem;
font-size: clamp(1.3rem, 1.5vw, 1.6rem);
color: var(--main_c3);
font-weight: 500;
text-shadow: 0 0 10px rgba(0,0,0,0.6);
}
.area_tit > span {
position: relative;
font-size: clamp(4rem, 8vw, 8rem);
font-family: var(--font_en);
font-weight: 700;
background: linear-gradient(to bottom, var(--main_c3), var(--main_c4));
-webkit-background-clip: text;
color: transparent;
filter: drop-shadow(0 0 10px rgba(0,0,0,0.8));
}
.area_tit > span > * {
display: inline-block;
margin-right: 0.2em;
}
	@media screen and (max-width: 768px) {
	}
	@media screen and (max-width: 520px) {
	}
/* title end */

/* about_area */
#about_area {
color: #fff;
background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,1));
}
#about_area .area_in {
}
.about_box {
display: flex;
flex-flow: column;
gap: 30px;
max-width: 800px;
margin: 0 auto;
}
.about_box .tit {
line-height: 1.6;
font-size: 1.5rem;
}
.about_box .txt {
line-height: 2;
}
/* about_area end */

/* issue_area */
#issue_area {
color: #fff;
background: url("../images/issue_bg.png") no-repeat center center / cover;
background-attachment: fixed;
}
#issue_area::before,
#issue_area::after {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
}
#issue_area::before {
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
#issue_area::after {
bottom: 0;
background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1));
}
#issue_area .area_tit b {
color: #fff;
}
#issue_area .area_tit span {
background: linear-gradient(to bottom, #fff, #555);
-webkit-background-clip: text;
color: transparent;
}
.issue_box {
max-width: 1250px;
margin: 0 auto;
}
.issue_list {
display: flex;
flex-flow: row wrap;
gap: 40px;
padding-bottom: 100px;
}
.issue_list li {
position: relative;
flex: 0 1 calc(25% - 30px);
background: #000;
border: 2px solid #666;
border-radius: 50px 0 0 0;
padding: 20px clamp(20px, 2.77vw, 40px) 30px;
}
.issue_list li:nth-child(even) {
transform: translate(0,50px);
}
.issue_list li::before,
.issue_list li::after {
position: absolute;
left: 50%;
top: 100%;
display: block;
content: "";
width: 0;
height: 0;
border-left: 16px solid transparent;
border-right: 16px solid transparent;
border-top: 30px solid #666;
transform: translate(-50%,0);
}
.issue_list li::before {
border-top: 30px solid #000;
transform: translate(-50%,-3px);
z-index: 2;
}
.issue_list li .img {
text-align: center;
}
.issue_list li .img img {
max-width: 100px;
}
.issue_list li .item {
display: flex;
flex-flow: column;
gap: 20px;
margin-top: 10px;
}
.issue_list li .tit {
font-size: 1.1rem;
text-align: center;
color: var(--main_c3);
}
.issue_list li .txt {
font-size: 0.9rem;
line-height: 1.6;
}
    @media screen and (max-width: 1000px) {
    .issue_list li {
    flex: 0 1 calc(50% - 20px);
    }
    }
    @media screen and (max-width: 768px) {
    .issue_list li::before,
    .issue_list li::after {
    left: 30%;
    }
    .issue_list li:nth-child(even)::before,
    .issue_list li:nth-child(even)::after {
    left: 70%;
    }
    }
    @media screen and (min-width: 420px) and (max-width: 768px) {
    .issue_list {
    flex-flow: column;
    }
    .issue_list li:nth-child(even) {
    transform: translate(0, 0);
    }
    .issue_list li {
    display: flex;
    padding: 20px;
    gap: 20px;
    }
    .issue_list li .img {
    display: flex;
    align-items: center;
    }
    .issue_list li .item {
    flex: 1 0 0%;
    margin: 0;
    gap: 10px;
    }
    .issue_list li .tit {
    text-align: left;
    }
    .issue_list li .tit br {
    display: none;
    }


    }
    @media screen and (max-width: 420px) {
    .issue_list {
    flex-flow: column;
    }
    .issue_list li:nth-child(even) {
    transform: translate(0, 0);
    }
    }
/* issue_area end */

/* solution_area */
#solution_area {
color: #fff;
background: linear-gradient(to bottom, rgba(0,0,0,0.5), rgba(0,0,0,0.9));
}
#solution_area::before,
#solution_area::after {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
}
#solution_area::before {
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
#solution_area::after {
bottom: 0;
background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1));
}
.solution_box {
background: url(../images/solution_bg.png) no-repeat center top / contain;
}
.solution_box .img {
text-align: center;
}
.solution_dlist {
padding: clamp(30px, 3.47vw, 50px) 0;
display: flex;
flex-flow: column;
gap: 40px;
max-width: 1040px;
margin: 0 auto;
}
.solution_dlist dl {
display: flex;
flex-flow: row wrap;
gap: 30px;
}
.solution_dlist dt {
flex: 0 1 clamp(300px, 27.77vw, 350px);
align-self: center;
color: var(--main_c3);
font-size: 1.6rem;
text-align: right;
}
.solution_dlist dd {
flex: 1 0 0%;
border-left: 2px solid var(--main_c3);
line-height: 1.6;
padding-left: 30px;
}
    @media screen and (max-width: 768px) {
    .solution_box {
    display: flex;
    flex-flow: column-reverse;
    background-position: center bottom;
    }
    .solution_dlist {
    padding-top: 0;
    }
    .solution_dlist dl {
    flex-flow: column;
    gap: 20px;
    }
    .solution_dlist dt {
    flex: 1 0 auto;
    text-align: left;
    }
    .solution_dlist dd {
    border-left: none;
    border-top: 2px solid var(--main_c3);
    padding-left: 0;
    padding-top: 20px;
    }
    }
/* solution_area end */

/* reason_area */
#reason_area {
color: #fff;
background: #333 url("../images/reason_bg.jpg") repeat-x center / auto 100%;
background-attachment: fixed;
animation: scroll-bg-2 100s linear infinite;
}
    @media screen and (min-width: 1400px) {
    #reason_area {
    animation: scroll-bg 100s linear infinite;
    }
    }
    @media screen and (max-width: 768px) {
    #reason_area {
    animation: scroll-bg-sp 100s linear infinite;
    }
    }
#reason_area::before,
#reason_area::after {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
}
#reason_area::before {
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
#reason_area::after {
bottom: 0;
background: linear-gradient(to bottom, rgba(0,0,0,0), rgba(0,0,0,1));
}
#reason_area .area_tit b {
color: #fff;
}
#reason_area .area_tit span {
background: linear-gradient(to bottom, #fff, #555);
-webkit-background-clip: text;
color: transparent;
}
.reason_list {
display: flex;
flex-flow: row wrap;
justify-content: center;
gap: 50px 40px;
}
.reason_list li {
position: relative;
display: flex;
flex-flow: column;
gap: 20px;
flex: 0 1 calc(33.33% - 27px);
border-radius: 10px;
background: #000;
padding: clamp(20px, 2.08vw, 30px);
padding-bottom: clamp(150px, 17.36vw, 300px);
}
    @media screen and (max-width: 1000px) {
    .reason_list {
    gap: 20px;
    }
    .reason_list li {
    flex: 0 1 calc(50% - 10px);
    padding-bottom: clamp(150px, 30vw, 350px);
    }
    }
    @media screen and (max-width: 520px) {
    .reason_list li {
    flex: 0 1 100%;
    padding-bottom: clamp(220px, 60vw, 400px);
    }
    }
.reason_list li > * {
position: relative;
z-index: 2;
}
.reason_list li .tit {
flex: 0 1 3rem;
display: flex;
justify-content: center;
align-items: center;
color: var(--main_c3);
text-align: center;
font-size: 1.4rem;
font-weight: 600;
}
.reason_list li .txt {
font-size: 1rem;
line-height: 1.6;
}
.reason_list li .img {
position: absolute;
left: 0;
bottom: 0;
z-index: 1;
}
.reason_list li .img img {
border-radius: 0 0 10px 10px;
}
.reason_list li .img::before {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
/* reason_area end */

/* usecase_area */
#wrap #usecase_area {
color: #fff;
background: rgba(0,0,0,1);
padding-bottom: 0;
}
#usecase_area::before {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
#usecase_area .contact_btn_box {
padding: 0 20px;
}
#usecase_area .area_tit {
width: 100%;
max-width: 1400px;
margin: 0 auto;
padding: 0 20px;
}
#usecase_area .area_in {
max-width: inherit;
padding: 0;
}
.usecase_list {
display: flex;
flex-flow: column;
gap: 40px;
}
.usecase_list li {
width: 100%;
position: relative;
overflow: hidden;
}
.usecase_list .item {
position: relative;
z-index: 3;
max-width: 1440px;
margin: 0 auto;
display: flex;
flex-flow: row wrap;
padding: clamp(60px, 6.94vw, 100px) 20px;
}
.usecase_list .item_box {
flex: 0 1 calc(50% - 20px);
flex: 0 1 clamp(500px, 47.2vw, 680px);
background: rgba(0,0,0,0.7);
border-radius: 10px;
padding: clamp(20px, 2.77vw, 40px);
display: flex;
flex-flow: column;
gap: 20px;
z-index: 3;
}
	@media screen and (max-width: 768px) {
    #wrap #usecase_area {
    padding-top: 0;
    }
   .usecase_list .item_box {
    flex: 0 1 100%;
    }
    }
.usecase_list li:nth-child(even) .item {
justify-content: flex-end;
}
.usecase_list .item_box .name {
font-size: 1.5rem;
font-weight: 600;
text-align: center;
}
.usecase_list .item_box .tit {
line-height: 1.2;
font-size: 1.2rem;
text-align: center;
font-weight: 600;
}
.usecase_list .item_box .txt {
line-height: 2;
font-size: 1rem;
}
.usecase_list .item_box .btn_box {
text-align: center;
}
.usecase_list .item_box .btn_box .btn {
position: relative;
display: flex;
width: 100%;
height: 40px;
max-width: 160px;
margin: 0 auto;
align-items: center;
justify-content: center;
font-weight: 500;
text-decoration: none;
text-align: center;
color: var(--btn_txt_c);
font-size: 1rem;
border-radius: 5px;
transition: .3s;
background: var(--btn_bg_c);
box-shadow: 0 0 10px rgba(0, 0, 0, 0.0);
}
.usecase_list .img {
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
overflow: hidden;
}
.usecase_list .img img {
position: absolute;
left: 50%;
bottom: 0;
transform: translate(-50%,0);
width: auto;
max-width: inherit;
height: 100%;
z-index: 1;
}
	@media screen and (min-width: 2000px) {
    .usecase_list .img img {
    width: 100%;
    height: auto;
    }
    }
.usecase_list .img::before {
content: "";
display: block;
width: 100%;
height: clamp(100px, 13.88vw, 200px);
position: absolute;
left: 0;
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
z-index: 2;
}
/* usecase_area end */

/* flow_area */
#flow_area {
color: #fff;
background: rgba(0,0,0,0.5);
}
#flow_area::before {
content: "";
display: block;
width: 100%;
height: 100px;
position: absolute;
left: 0;
top: 0;
background: linear-gradient(to bottom, rgba(0,0,0,1), rgba(0,0,0,0));
}
.flow_list {
display: flex;
background: #333;
border-radius: 10px;
gap: 80px;
padding: 0 40px;
}
.flow_list li {
flex: calc(25% - 60px);
position: relative;
padding: 30px 0;
display: flex;
flex-flow: column;
gap: 10px;
}
.flow_list li:not(:first-child) {
padding-left: 20px;
}
.flow_list li:not(:first-child)::before {
content: "";
display: block;
position: absolute;
right: 100%;
top: 5%;
width: 80px;
height: 90%;
background: url(../images/arrow.svg) no-repeat center / 100% 100%;
}
.flow_list li .num {
font-size: clamp(30px, 3.47vw, 50px);
color: #616161;
font-family: var(--font_en);
text-align: center;
font-weight: 600;
line-height: 1;
}
.flow_list li .tit {
color: var(--main_c3);
text-align: center;
font-size: clamp(18px, 2vw, 25px);
font-weight: 600;
}
.flow_list li .txt {
margin-top: 10px;
font-size: 1rem;
line-height: 1.6;
padding-bottom: 30px;
}
    @media screen and (max-width: 1000px) {
.flow_list {
flex-flow: column;
gap: 0;
padding: 0 20px;
}
.flow_list li {
flex: 1 0 auto;
padding: 40px 0 20px;
}
.flow_list li:not(:first-child) {
border-top: 3px solid #616161;
padding-left: 0;
}
.flow_list li:not(:first-child)::before,
.flow_list li:not(:first-child)::after {
content: "";
display: block;
position: absolute;
right: inherit;
left: 50%;
top: -1px;
bottom: inherit;
width: 40%;
height: 30px;
background: #616161;
clip-path: polygon(0 0, 100% 0, 50% 100%);
transform: translate(-50%,0);
}
.flow_list li:not(:first-child)::after {
background: #333;
top: -4px;
}
.flow_list li .txt {
padding: 0;
text-align: center;
}
    }
/* flow_area end */

/* faq_area */
#faq_area {
background: #DAE2E1;
}
#faq_area .area_tit > * {
text-shadow: none;
color: #333;
filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.0));
}
.faq_box {
max-width: 1000px;
margin: 0 auto;
}
.faq_list {
display: flex;
flex-flow: column;
gap: 20px;
}
.faq_list li {
display: flex;
flex-flow: column;
gap: 20px;
}
.faq_list li > * {
display: flex;
align-items: center;
gap: 20px;
}
.faq_list li > * b {
flex: 0 1 clamp(40px, 4.16vw, 60px);
display: flex;
align-items: center;
justify-content: center;
font-size: clamp(18px, 2vw, 25px);
font-family: var(--font_en);
text-align: center;
font-weight: 600;
line-height: 1;
border-radius: 5px;
width: clamp(40px, 4.16vw, 60px);
height: clamp(40px, 4.16vw, 60px);
}
.faq_list li > * span {
flex: 1 0 0%;
}
.faq_list li > *.q span {
font-size: 1.5rem;
line-height: 1.2;
font-weight: 600;
}
.faq_list li > *.q b {
background: #333;
color: #fff;
}
.faq_list li > *.a {
background: #fff;
border-radius: 5px;
padding: 20px 20px 20px 0;
}
.faq_list li > *.a b {
color: #dae2e1;
}
    @media screen and (max-width: 420px) {
    .faq_list li > *.a {
    padding-left: 20px;
    }
    .faq_list li > *.a b {
    display: none;
    }
    }
.faq_list li > *.a span {
line-height: 1.6;
}
.faq_txt {
text-align: center;
margin-top: 20px;
}
/* faq_area end */

/* materials_area */
#materials_area {
color: #fff;
background: rgba(0,0,0,0.5);
}
.materials_box {
max-width: 1040px;
margin: 0 auto;
}
.materials_list {
display: flex;
flex-flow: row wrap;
gap: 40px;
}
.materials_list li {
flex: 0 1 calc(25% - 30px);
max-width: 230px;
margin: 0 auto;
}
	@media screen and (max-width: 768px) {
    .materials_list {
    gap: 20px;
    }
    .materials_list li {
    flex: 0 1 calc(50% - 10px);
    }
    }
	@media screen and (max-width: 420px) {
    .materials_list li {
    flex: 0 1 100%;
    }
    }
.materials_list a {
color: #fff;
text-decoration: none;
display: flex;
flex-flow: column;
gap: 10px;
height: 100%;
transition: .6s;
}
.materials_list a:hover {
opacity: 0.7;
transform: translate(0,-10px);
}
.materials_list .img {
}
.materials_list .tit {
flex: 1 0 0%;
font-size: 1.2rem;
line-height: 1.4;
text-decoration: underline;
}
.materials_list .txt {
display: flex;
gap: 10px;
align-items: center;
}
.materials_list .txt::after {
content: "";
display: inline-block;
width: 20px;
height: 20px;
background: url(../images/icon_dl.png) no-repeat center / contain;
}
/* materials_area end */



/* effect */
#wrap.effectdelay #header .logo {
opacity: 0;
transform: translate(0,-100px);
transition: 1.2s;
transition-delay: .3s
}
#wrap.effectdelay .visual_img {
opacity: 0;
transform: translate(0,100px);
transition: 1.2s;
}
#wrap.effectdelay #visual .contact_btn_box {
opacity: 0;
transform: translate(0,0);
transition: 1.2s;
transition-delay: .3s
}
#wrap.effectdelay #visual .logo_box {
opacity: 0;
transform: translate(0,0);
transition: 1.2s;
}
#wrap.effectdelay.effect_active #header .logo,
#wrap.effectdelay.effect_active .visual_img,
#wrap.effectdelay.effect_active #visual .contact_btn_box,
#wrap.effectdelay.effect_active #visual .logo_box {
opacity: 1;
transform: translate(0,0);
}
.area .area_in.effect .area_tit {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
}
.area .area_in.effect.effect_active .area_tit {
opacity: 1;
transform: translate(0,0);
}
.area .area_in.effect .about_box {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .3s
}
.area .area_in.effect.effect_active .about_box {
opacity: 1;
transform: translate(0,0);
}
.issue_list.effectlist li {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
}
.issue_list.effectlist li:nth-child(1) {
transition-delay: .0s
}
.issue_list.effectlist li:nth-child(2) {
transition-delay: .3s
}
.issue_list.effectlist li:nth-child(3) {
transition-delay: .6s
}
.issue_list.effectlist li:nth-child(4) {
transition-delay: .9s
}
.issue_list.effectlist li.effect_active {
opacity: 1;
transform: translate(0,0);
}
    @media screen and (min-width: 768px) {
    .issue_list.effectlist li:nth-child(even).effect_active {
    transform: translate(0, 50px);
    }
    }
#solution_area .area_in.effect .solution_box .img {
opacity: 0;
transform: translate(-50%,0);
transition: .6s;
transition-delay: .3s
}
.solution_dlist.effectdlist dl {
opacity: 0;
transform: translate(-50%);
transition: .6s;
}
.solution_dlist.effectdlist dl:nth-child(1) {transition-delay: .0s}
.solution_dlist.effectdlist dl:nth-child(2) {transition-delay: .3s}
.solution_dlist.effectdlist dl:nth-child(3) {transition-delay: .6s}
#solution_area .area_in.effect.effect_active .solution_box .img {
opacity: 1;
transform: translate(0,0);
}
.solution_dlist.effectdlist dl.effect_active {
opacity: 1;
transform: translate(0,0);
}


.reason_list.effectlist li {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
}
.reason_list.effectlist li:nth-child(1) {transition-delay: .0s}
.reason_list.effectlist li:nth-child(2) {transition-delay: .3s}
.reason_list.effectlist li:nth-child(3) {transition-delay: .6s}
.reason_list.effectlist li:nth-child(4) {transition-delay: .9s}
.reason_list.effectlist li:nth-child(5) {transition-delay: 1.2s}
.reason_list.effectlist li.effect_active {
opacity: 1;
transform: translate(0,0);
}
.usecase_list.effectlist li .item {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .3s
}
.usecase_list.effectlist li .img {
opacity: 0;
transform: translate(0,0);
transition: .6s;
}
.usecase_list.effectlist li.effect_active .item,
.usecase_list.effectlist li.effect_active .img {
opacity: 1;
transform: translate(0,0);
}
.area .area_in.effect .flow_box {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .3s
}
.area .area_in.effect .flow_box + .contact_btn_box {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .6s
}
.area .area_in.effect.effect_active .flow_box,
.area .area_in.effect.effect_active .flow_box + .contact_btn_box {
opacity: 1;
transform: translate(0,0);
}
.area .area_in.effect .faq_box {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .3s
}
.area .area_in.effect.effect_active .faq_box {
opacity: 1;
transform: translate(0,0);
}
.area .area_in.effect .materials_box {
opacity: 0;
transform: translate(0,100px);
transition: .6s;
transition-delay: .3s
}
.area .area_in.effect.effect_active .materials_box {
opacity: 1;
transform: translate(0,0);
}
/* effect end */

/* root */
:root {
--font_en: 'Inter', 'Noto Sans JP', sans-serif;
--main_c: #478DF8;
--main_c2: #1B58B5;
--main_c3: #87B6FF;
--main_c4: #304b75;

--link_color: var(--main_c);

--btn_bg_c: linear-gradient(to right, var(--main_c), var(--main_c2));
--btn_txt_c: #fff;

--menu_txt_c: #000;
--menu_txt_c: #fff;
--menu_txt_hover_c: var(--main_c);
--menu_sp_bg_c: #000;
--menu_sp_btn_bg_c: #fff;
--menu_sp_btn_txt_c: #000;
--menu_sp_link_c: #fff;

--fb_icon_w: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M73.09,55.83l2.75-17.96h-17.23v-11.66c0-4.91,2.41-9.7,10.13-9.7h7.84V1.21s-7.11-1.21-13.91-1.21c-14.19,0-23.47,8.6-23.47,24.17v13.69h-15.78v17.96h15.78v44.17h19.42v-44.17h14.48Z" fill="%23ffffff" /%3E%3C/svg%3E') no-repeat center / contain;
--x_icon_w: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M59.31,42.34L95.74,0h-8.63l-31.63,36.77L30.21,0H1.08l38.2,55.6L1.08,100h8.63l33.4-38.83,26.68,38.83h29.14l-39.62-57.66h0ZM47.49,56.09l-3.87-5.54L12.82,6.5h13.26l24.85,35.55,3.87,5.54,32.31,46.21h-13.26l-26.36-37.71h0Z" fill="%23ffffff"  /%3E%3C/svg%3E') no-repeat center / contain;
--fb_icon: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M73.09,55.83l2.75-17.96h-17.23v-11.66c0-4.91,2.41-9.7,10.13-9.7h7.84V1.21s-7.11-1.21-13.91-1.21c-14.19,0-23.47,8.6-23.47,24.17v13.69h-15.78v17.96h15.78v44.17h19.42v-44.17h14.48Z" fill="%23021D40" /%3E%3C/svg%3E') no-repeat center / contain;
--x_icon: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M59.31,42.34L95.74,0h-8.63l-31.63,36.77L30.21,0H1.08l38.2,55.6L1.08,100h8.63l33.4-38.83,26.68,38.83h29.14l-39.62-57.66h0ZM47.49,56.09l-3.87-5.54L12.82,6.5h13.26l24.85,35.55,3.87,5.54,32.31,46.21h-13.26l-26.36-37.71h0Z" fill="%23021D40"  /%3E%3C/svg%3E') no-repeat center / contain;

--prev_arrow: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M65.6 24.57 62.77 21.75 37.32 47.2 34.49 50.03 37.32 52.86 37.32 52.86 62.77 78.31 65.6 75.49 40.14 50.03 65.6 24.57Z" fill="%23cccccc"  /%3E%3C/svg%3E') no-repeat center / contain;
--next_arrow: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M34.44 24.54 37.27 21.72 62.73 47.17 65.56 50 62.73 52.83 62.73 52.83 37.27 78.28 34.44 75.46 59.9 50 34.44 24.54Z" fill="%23cccccc"  /%3E%3C/svg%3E') no-repeat center / contain;
--prev_arrow_w: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M65.6 24.57 62.77 21.75 37.32 47.2 34.49 50.03 37.32 52.86 37.32 52.86 62.77 78.31 65.6 75.49 40.14 50.03 65.6 24.57Z" fill="%23fff"  /%3E%3C/svg%3E') no-repeat center / contain;
--next_arrow_w: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M34.44 24.54 37.27 21.72 62.73 47.17 65.56 50 62.73 52.83 62.73 52.83 37.27 78.28 34.44 75.46 59.9 50 34.44 24.54Z" fill="%23fff"  /%3E%3C/svg%3E') no-repeat center / contain;
--top_arrow_w: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M24.54 65.56 21.72 62.73 47.17 37.27 50 34.44 52.83 37.27 52.83 37.27 78.28 62.73 75.46 65.56 50 40.1 24.54 65.56Z" fill="%23fff"  /%3E%3C/svg%3E') no-repeat center / contain;

--cross_icon: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M70.55 32.35 67.72 29.52 50.04 47.2 32.37 29.52 29.54 32.35 47.22 50.03 29.54 67.71 32.37 70.54 50.04 52.86 67.72 70.54 70.55 67.71 52.87 50.03 70.55 32.35z" fill="%23fff"  /%3E%3C/svg%3E') no-repeat center / contain;
--burger_icon: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" width="100" height="100"%3E%3Cpath d="M72,32H28v-4h44v4ZM72,48H28v4h44v-4ZM72,68H28v4h44v-4Z" fill="%23ddd"  /%3E%3C/svg%3E') no-repeat center / contain;


｝
/* root end */