/* FONTS */

@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@300;700&display=swap');
@font-face {
  font-family: 'AktivGrotesk';
  src: url('./fonts/AktivGroteskLight.woff2') format('woff2'), url('./fonts/AktivGroteskLight.woff') format('woff');
  font-weight: normal;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'AktivGrotesk';
  src: url('./fonts/AktivGroteskBold.woff2') format('woff2'), url('./fonts/AktivGroteskBold.woff') format('woff');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

/* ELEMENTS */

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Noto Sans JP', 'HiraginoSans-W3', "ヒラギノ角ゴ Pro W3", "Hiragino Kaku Gothic Pro", Osaka, メイリオ, Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", "ＭＳ ゴシック", "MS Gothic", "Noto Sans CJK JP", TakaoPGothic, sans-serif;
  color: #868d92;
  overflow-x: hidden;
}

a {
  color: #23aff7;
  text-decoration: none;
  position: relative;
  display: inline-block;
  transition: 200ms all ease-out;
}

a::after {
  content: '';
  width: 0px;
  height: 1px;
  display: block;
  background: #024aa2;
  top: -2px;
  position: relative;
  transition: all 0.15s ease-out;
}

a:hover {
  color: #024aa2;
}

a:hover::after {
  width: 100%;
}

.no_break {
  word-break: keep-all;
}

.content-area {
  max-width: 1200px;
  margin: auto;
  position: relative;
}

.header {
  background-color: #000;
  background-image: url(./images/header_bg.jpeg);
  background-position: center center;
  background-size: cover;
  color: #fff;
  position: relative;
}

.header .nav-area-holder {
  position: absolute;
  width: 100%;
  z-index: 1;
}

.header .nav-area-holder .nav-area {
  max-width: 1920px;
  margin: auto;
}

.header .nav-area-holder .nav-area .logo {
  height: 164px;
  width: 136px;
  background: #fff;
  padding: 40px 24px 0px;
  margin-left: 40px;
}

.header .nav-area-holder .nav-area .logo img {
  width: 100%;
}

.header .content-area {
  max-width: 100%;
  background-image: radial-gradient(circle at 50% 50%, #00103d, rgba(3, 16, 51, 0.3) 44%);
  height: 700px;
  max-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.header .content-area .title {
  text-align: center;
  padding: 0 40px;
}

.header .content-area .title h2 {
  font-family: AktivGrotesk;
  font-size: 56px;
  font-weight: bold;
  line-height: 1.29;
  margin: 0;
  text-shadow: 1px 2px 0 rgba(0, 0, 0, 0.5);
}

.header .content-area .title h3 {
  font-size: 28px;
  font-weight: bold;
  line-height: 1.5;
  letter-spacing: 1.5px;
  margin: 0;
  text-shadow: 1px 2px 0 rgba(0, 0, 0, 0.5);
}

.header .content-area .title h4 {
  font-size: 22px;
  font-weight: normal;
  line-height: 1.64;
  letter-spacing: 1.65px;
  margin: 0;
  text-shadow: 1px 2px 0 rgba(0, 0, 0, 0.5);
}

.page {
  background-color: #024aa2;
  color: #fff;
}

.page .page_bg {
  background-image: url(./images/bg.png);
  background-position: center center;
  background-size: cover;
  padding: 120px 40px 200px;
}

.page .brief {
  margin-bottom: 100px;
  display: block;
}

.page .brief .title {
  width: 45%;
  display: inline-block;
  vertical-align: top;
}

.page .brief .title h3 {
  font-family: AktivGrotesk;
  font-size: 44px;
  font-weight: bold;
  line-height: 1.18;
  margin: 0 0 8px;
}

.page .brief .title h3 .thin_blue {
  color: #1a9bdb;
  font-weight: normal;
}

.page .brief .title h3 .thin_blue .white {
  color: #ffffff;
}

.page .brief .title h4 {
  font-size: 18px;
  font-weight: normal;
  line-height: 1.78;
  letter-spacing: 0.5px;
  color: #23aff7;
  margin: 0;
}

.page .brief .desc {
  width: 50%;
  display: block;
  float: right;
}

.page .brief .desc p {
  font-size: 18px;
  font-weight: normal;
  line-height: 1.78;
  letter-spacing: 0.56px;
  margin: 0;
}

.page .main_content {
  font-size: 18px;
  font-weight: normal;
  line-height: 1.78;
  letter-spacing: 0px;
  border-top: 2px solid rgba(255, 255, 255, 0.2);
  padding: 80px 0;
}

.page .main_content h4 {
  margin: 0 0 16px 0;
  font-weight: normal;
  color: #1a9bdb;
}

.page .main_content h4 span {
  font-weight: bold;
  color: #fff;
}

.page .main_content h4 span.en {
  font-family: AktivGrotesk;
}

.page .main_content p {
  margin: 0 0 16px 0;
}

.page .main_content ul {
  line-height: 1.78;
  list-style: none;
}

.page .main_content ul li::before {
  content: '・';
  position: absolute;
  left: 0px;
}

.page .profile {
  border: solid 2px rgba(255, 255, 255, 0.2);
  background-color: rgba(3, 48, 144, 0.14);
  font-size: 16px;
  font-weight: normal;
  line-height: 1.75;
  position: relative;
}

.page .profile_wrapper {
  position: relative;
  padding: 80px 80px 64px;
}

.page .profile::before {
  content: ' ';
  width: 40px;
  height: 40px;
  display: block;
  position: absolute;
  top: -2px;
  left: -2px;
  border-top: 2px solid #fff;
  border-left: 2px solid #fff;
}

.page .profile::after {
  content: ' ';
  width: 40px;
  height: 40px;
  display: block;
  position: absolute;
  top: -2px;
  right: -2px;
  border-top: 2px solid #fff;
  border-right: 2px solid #fff;
}

.page .profile_wrapper::before {
  content: ' ';
  width: 40px;
  height: 40px;
  display: block;
  position: absolute;
  bottom: -2px;
  right: -2px;
  border-bottom: 2px solid #fff;
  border-right: 2px solid #fff;
}

.page .profile_wrapper::after {
  content: ' ';
  width: 40px;
  height: 40px;
  display: block;
  position: absolute;
  bottom: -2px;
  left: -2px;
  border-bottom: 2px solid #fff;
  border-left: 2px solid #fff;
}

.page .profile h4 {
  margin: 0 0 40px;
  font-size: 22px;
  font-weight: normal;
  line-height: 1.5;
  color: #ffffff;
}

.page .profile .dl_item {
  margin: 0 0 16px;
}

.page .profile .dl_item .dt {
  display: inline-block;
  vertical-align: top;
  width: 320px;
}

.page .profile .dl_item .dd {
  display: inline-block;
  vertical-align: top;
}

.page .profile .dl_item .dd p {
  margin: 0 0 8px;
}

.page .profile h4 span.eng {
  font-family: AktivGrotesk;
  font-size: 24px;
  font-weight: bold;
}

.footer {
  padding: 80px 40px;
  font-size: 14px;
  line-height: 2;
  letter-spacing:0.03em;
}

.footer .contact {
  position: absolute;
  text-align: right;
  width: 100%;
}

@media (max-width: 1200px) {
  .page .brief .title {
    width: 45%;
  }
  .page .brief .desc {
    width: 50%;
  }
}

@media (max-width: 1000px) {
  .page .profile .dl_item .dt {
    width: 160px;
  }
}

@media (max-width: 850px) {
  .page .profile .dl_item .dt {
    display: block;
  }
  .page .brief .title {
    width: 100%;
    margin-bottom: 80px;
  }
  .page .brief .desc {
    width: 100%;
    float: none;
  }
  .footer .contact {
    position: relative;
    text-align: left;
    margin-bottom: 16px;
  }
}

@media (max-width: 600px) {
  .header .nav-area-holder .nav-area .logo {
    height: 106px;
    width: 90px;
    padding: 24px 16px 0;
    margin-left: 20px;
  }
  .header .content-area {
    background-image: radial-gradient(circle at 50% 50%, #00103d 0%, rgba(2, 14, 45, 0.15) 79%);
    height: 667px;
  }
  .header .content-area .title {
    padding: 0 20px;
  }
  .header .content-area .title h4 {
    font-size: 18px;
    line-height: 1.78;
    letter-spacing: 1px;
  }
  .header .content-area .title h2 {
    font-size: 44px;
    line-height: 1.27;
  }
  .header .content-area .title h3 {
    font-size: 22px;
    line-height: 1.91;
    letter-spacing: 1px;
  }
  .page .brief .title h3 {
    font-size: 32px;
    line-height: 1.18;
  }
  .page .page_bg {
    padding: 120px 20px 200px;
  }
  .page .profile_wrapper {
    padding: 80px 20px 64px;
  }
}

/* KEYFRAMES */

@keyframes spin {
  from {
    transform: rotate(0);
  }
  to {
    transform: rotate(359deg);
  }
}

/* GRID STYLING */

#loader {
  min-height: 100vh;
  background-color: #ffffff;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  align-items: flex-start;
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
}

.spinner-box {
  width: 100px;
  height: 100px;
  display: flex;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  justify-content: center;
  align-items: center;
  background-color: transparent;
}

/* ALTERNATING ORBITS */

.circle-border {
  width: 50px;
  height: 50px;
  padding: 2px;
  display: flex;
  justify-content: center;
  align-items: center;
  border-radius: 50%;
  background: rgb(0, 102, 214);
  background: linear-gradient(0deg, rgba(0, 102, 214, 0.05) 33%, rgba(0, 102, 214, 0.4) 66%, rgba(0, 55, 153, 1) 100%);
  animation: spin .8s linear 0s infinite;
}

.circle-core {
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  border-radius: 50%;
}