@charset "utf-8";

/*--------------------
base
--------------------*/
body, html {
  overflow-x: hidden;
}
html {
  font-size: 16px;
  font-weight: 400;
  margin-top: 104px;
}
:root {
  --headingBefore-font-size: 5rem;
  --font-size-40: 2.5rem;

  --greenBlue: #3BDCD4;
  --greenBlue-rgb: 59, 220, 212;
  --darkBlue: #172A89;
  --darkBlue-rgb: 23, 42, 137;
  --lightBlue: #E3F1FB;
  --paleBlue: #87BFE9;
  --paleBlue-rgb: 135, 191, 233;
}
@media screen and (max-width: 600px) {
  html {
    margin-top: 72px;
  }
  :root {
    --font-size-40: 1.875rem
  }
}

body,h1,h2,h3,h4,h5,p,ul,li {
  margin: 0;
  padding: 0;
}
body {
  font-family:  "Noto Sans JP", "游ゴシック体", "YuGothic", "游ゴシック Medium", "Yu Gothic Medium", "游ゴシック", "Yu Gothic",'Hiragino Kaku Gothic Pro', 'ヒラギノ角ゴ Pro W3', "メイリオ", "Meiryo", "ＭＳ Ｐゴシック", sans-serif;
  color: #fff;
  letter-spacing: 0.08em;
}
p {
  line-height: 2;
}
a {
  text-decoration: none;
  color: #fff;
}
li {
  list-style: none;
}
img {
  width: 100%;
  height: auto;
}



/*--------------------
custom
--------------------*/
.container {
  margin-left: auto;
  margin-right: auto;
}
.btn {
  display: block;
  color: #fff;
  line-height: 1;
  border-radius: 28px;
  padding: 20px 0px;
  width: 236px;
  text-align: center;
  background: 
    url(assets/img/common/btn-arrow.svg) no-repeat,
    linear-gradient(to right, #13C6D6 0%, #13D6CC 4%, #C8EF9D 100%);
  background-size: auto, cover;
  background-position: right 30px center, 0 0;
}



/*--------------------
header
--------------------*/
#header {
  width: 100%;
  position: fixed;
  top: 0;
  z-index: 10;
}
#header .header {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: auto;
  max-height: 100vh;
  overflow-y: auto;
}
#header .inner {
  max-width: 1440px;
}
#header .top {
  padding: 24px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
#header .right {
  display: flex;
  align-items: center;
}
#header .right .btn::before {
  content: url(assets/img/common/btn-mail.svg);
  padding-right: 16px;
}
#header .right .btn {
  background: linear-gradient(to right, #13C6D6 0%, #13D6CC 4%, #C8EF9D 100%);
  margin-right: 48px;
}
#header .translation {
  margin-right: 48px;
}
#header .hamburger {
  cursor: pointer;
  border: 1px solid #fff;
  border-radius: 50%;
  padding: 21.5px 20px;
}
#header .hamburger span {
  display: block;
  width: 16px;
  height: 1px;
  background-color: #fff;
  transition: 0.5s;
}
#header .hamburger span:not(:first-child) {
  margin-top: 5px;
}
/*----- open -----*/
#header .open {
  background-color: var(--darkBlue)
}
#header .open .top {
  justify-content: end;
}
#header .open .header-logo {
  display: none;
}
#header .open .right .btn {
  display: none;
}
#header .open .hamburger {
  background-color: #fff;
}
#header .open .hamburger span {
  background-color: var(--darkBlue);
}
#header .open .hamburger span:nth-child(1) {
  transform: translateY(6px) rotate(-315deg);
}
#header .open .hamburger span:nth-child(2) {
  opacity: 0;
}
#header .open .hamburger span:nth-child(3) {
  transform: translateY(-6px) rotate(315deg);
}
/*----- mask -----*/
#header .mask {
  display: none;
  width: 100%;
  min-height: calc(100vh - 106px);
  background: var(--darkBlue);
}
#header .open .mask {
  display: block;
}
#header .mask .inner {
  max-width: 1440px;
  min-height: calc(100vh - 106px);
  background: url(assets/img/common/mask-logo.svg);
  background-repeat: no-repeat;
  background-position: right bottom;
}
#header .mask .nav-list {
  display: flex;
  justify-content: space-between;
  width: 85.1555555%;
  max-width: 1440px; 
  padding-left: 4.65277%;
}
#header .mask .nav-items .nav-item:not(:first-child) {
  padding-top: 20px;
}
#header .mask .nav-item .title {
  font-family: "Federo", sans-serif;
  opacity: 0.3;
  font-size: 3rem;
  font-weight: 400;
  line-height: 1.3;
  letter-spacing: 0.03em;
}
#header .mask .nav-item .items {
  padding-left: 19px;
  line-height: 1.6;
}
#header .mask .nav-item .items .main-item {
  margin-top: -6.76px;
}
#header .mask .nav-item .items .main-item a { 
  font-size: 1.125rem;
  font-weight: 600;
}
#header .mask .nav-item .items .sub-item {
  padding-top: 10px;
}
#header .mask .nav-item .items .sub-item a {
  color: var(--paleBlue);
  font-size: 0.9375rem;
}
#header .mask .btns {
  width: 85.1555555%;
  margin-top: -80px;
  padding-right: 38px;
  padding-bottom: 38px;
  margin-left: auto;
  margin-right: auto;
}
#header .mask .btns .btn:nth-child(1) {
  margin-bottom: 20px;
}
#header .mask .btn {
  width: 312px;
  margin-left: auto;
}
@media screen and (max-width: 1053px) {
  #header .mask .inner {
    box-sizing: border-box;
    width: 100%;
    padding-left: 67px;
    background-size: 100% auto;
  }
  #header .mask .nav-list {
    display: block;
    padding-left: 0;
  }
  #header .mask .nav-items .nav-item {
    padding-top: 32px;
  }
  #header .mask .nav-items .nav-item:not(:first-child) {
    padding-top: 32px;
  }
  #header .mask .nav-items:nth-child(1) .nav-item:nth-child(1) {
    padding-top: 0;
  }
  #header .mask .btns {
    width: 100%;
    display: flex;
    justify-content: start;
    margin-top: 66px;
    padding-right: 0;
    margin-left: 0;
  }
  #header .mask .btn {
    margin-left: 0;
  }
  #header .mask .btns .btn:nth-child(1) {
    margin-right: 24px;
    margin-bottom: 0;
  }
}
@media screen and (max-width: 837px) {
  #header .right .btn {
    display: none;
  }
}
@media screen and (max-width: 781px) {
  #header .mask .btns {
    display: block;
  }
  #header .mask .btns .btn:nth-child(1) {
    margin-bottom: 24px;
    margin-right: 24px;
  }
}
@media screen and (max-width: 600px) {
  #header .top {
    padding: 8px 16px 8px 24px;
  }
  #header .header-logo img {
    width: 231px;
    height: auto;
  }
  #header .right .translation {
    display: none;
  }
  /*----- open -----*/
  #header .open .right .translation {
    display: block;
  }
  /*----- mask -----*/
  #header .mask .inner {
    padding-left: 32px;
    background: url(assets/img/common/mask-logo-sp.svg) no-repeat;
    background-position: 37px calc(100% - 13px);
  }
  #header .mask .nav-item .title {
    display: none;
  }
  #header .mask .btns {
    margin-top: 38px;
  }
}
@media screen and (max-width: 374px) {
  #header .mask .inner {
    max-width: 312px;
    padding-left: 0;
    margin-left: auto;
    margin-right: auto;
  }
}
#header .open .mask {
  display: block;
}



/*--------------------
footer-contact
--------------------*/
#footer-contact .inner {
  padding-top: 24px;
  padding-bottom: 24px;
  padding-left: 20px;
  padding-right: 20px;
}
#footer-contact .box {
  max-width: 1392px;
  background-color: rgba(255, 255, 255, 0.8);
  padding: 104px 0;
  border-radius: 16px;
}
#footer-contact h2 {
  color: var(--darkBlue);
  text-align: center;
  margin-bottom: 40px;
}
#footer-contact .description {
  width: 86.0058%;
  color: var(--darkBlue);
  text-align: center;
  font-size: 1.25rem;
  margin-bottom: 40px;
}
#footer-contact .btns {
  display: flex;
  justify-content: space-between;
  max-width: 816px;
}
#footer-contact .btn {
  width: 384px;
  border-radius: 40px;
  font-size: 1.25rem;
  line-height: 2;
}
@media screen and (max-width: 896px) {
  #footer-contact .btns {
    display: block;
  }
  #footer-contact .btn {
    margin-left: auto;
    margin-right: auto;
  }
  #footer-contact .btn:first-child {
    margin-bottom: 24px;
  }
}
@media screen and (max-width: 760px) {
  #footer-contact .description {
    text-align: left;
  }
  #footer-contact .d-760_over {
    display: none;
  }
}
@media screen and (max-width: 600px) {
  #footer-contact .inner {
    padding-left: 0;
    padding-right: 0;
  }
  #footer-contact .box {
    width: 91.4666%;
    padding-top: 80px;
    padding-bottom: 80px;
  }
  #footer-contact .btn {
    width: 312px;
    font-size: 1.125rem;
  }
}



/*--------------------
footer
--------------------*/
footer {
  background-color: var(--darkBlue);
}
footer .inner {
  padding-top: 88px;
  padding-bottom: 39px;
  max-width: 1296px;
}
footer .top-content {
  display: flex;
  justify-content: space-between;
  max-width: 1280px;
  margin-bottom: 121px;
}
footer .top-content img {
  margin-bottom: 24px;
  display: block;
  width: 156px;
}
footer .top-content .left .company {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 2;
  margin-bottom: 1px;
}
footer .top-content .left .address {
  font-size: 0.9375rem;
  line-height: 2;
  color: var(--paleBlue);
}
footer .right {
  max-width: 998px;
  line-height: 1.6;
}
footer .right > nav > ul {
  display: flex;
  flex-wrap: wrap;
}
footer .nav-item {
  width: 20%;
}
footer .nav-item:nth-child(n+6):nth-child(-n+10) {
  margin-top: 48px;
}
footer .main-item {
  font-size: 1.125rem;
  font-weight: 600;
  line-height: 1.6;
}
footer .sub-item li {
  margin-top: 10px;
  font-size: 0.9375rem;
  line-height: 1.6;
}
footer .sub-item a {
  color: var(--paleBlue);
}
footer .bottom-content {
  display: flex;
  justify-content: space-between;
}
footer .bottom-content small {
  font-size: 0.75rem;
  line-height: 1;
  letter-spacing: 0;
  color: rgba(255, 255, 255, 0.7);
}
@media screen and (max-width: 1316px) {
  footer .inner {
    padding-left: 10px;
    padding-right: 10px;
  }
}
@media screen and (max-width: 1275px) {
  footer .inner {
    width: 83.333333%;
    padding-top: 72px;
    max-width: 640px;
  }
  footer .top-content {
    display: block;
  }
  footer .left {
    margin-bottom: 64px;
  }
  footer .nav-item {
    width: 50%;
  }
  footer .nav-item:nth-child(n+3):nth-child(-n+8) {
    margin-top: 48px;
  }
  footer .d-1275_over {
    display: none;
  }
}
@media screen and (max-width: 600px) {
  footer .inner {
    max-width: 325px;
    padding-top: 51px;
    padding-bottom: 22px;
  }
  footer .top-content {
    margin-bottom: 51px;
  }
  footer .left {
    margin-bottom: 48px;
  }
  footer .left img {
    width: 124px;
    height: auto;
  }
  footer .nav-item {
    width: 100%;
  }
  footer .nav-item:nth-child(n+2):nth-child(-n+8) {
    margin-top: 24px;
  }
  footer .d-over600 {
    display: none;
  }
  footer .bottom-content {
    display: block;
  }
  footer .bottom-content .translation {
    margin-bottom: 23px;
  }
}



/*--------------------
canvas
--------------------*/
canvas {
  position: fixed;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}



/*--------------------
particle-canvas
--------------------*/
#particle-canvas {
  width: 100%;
}



/*--------------------
sphere
--------------------*/
#sphere {
  width: 100vw;
  height: 100%;
  position: fixed;
  top: 0;
  left: 0;
  z-index: -999;
  background-color: #2284CD;
}
/* こちらで球体をぼかす */
#sphere::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  backdrop-filter: blur(100px);
  background-color: rgba(255, 255, 255, 0.15);
  z-index: 1;
}