:root {
  --navy: #001f4a;
  --blue: #0056ad;
  --blue2: #0a67be;
  --pale: #f7fbff;
  --line: #dce9f5;
  --text: #091b34;

  /* ページ共通のコンテンツ幅 */
  --content-width: 1024px;
  --content-gutter: clamp(20px, 3.9vw, 40px);

  /* ヘッダー内の文章幅。文章だけ広げたい場合はこの値を変更 */
  --hero-copy-width: 430px;
  --hero-min-height: 427px
}

* {
  box-sizing: border-box
}

html, body {
  margin: 0;
  min-width: 320px;
  background: #fff;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  -webkit-font-smoothing: antialiased
}

body {
  font-weight: 500
}

img, svg {
  display: block
}

a {
  color: inherit;
  text-decoration: none
}

/* PCでのみ改行する <br class="br-pc"> */
.br-pc {
  display: inline
}

/* スマートフォンでのみ改行する <br class="br-sp"> */
.br-sp {
  display: none
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden
}

.site {
  width: 100%;
  overflow: hidden;
  background: #fff
}

.frame {
  position: relative;
  width: min(100%, var(--content-width));
  height: 100%;
  margin: 0 auto
}

.hero {
  height: auto;
  min-height: max(var(--hero-min-height), 37.5vw);
  background-color: #eef7ff;
  background-image: url("../assets/header.jpg");
  background-repeat: no-repeat;
  background-position: center top;
  background-size: 100% auto
}

.hero__frame {
  overflow: visible
}

.hero__copy {
  position: absolute;
  left: var(--content-gutter);
  top: clamp(38px, 3.6vw, 58px);
  z-index: 2;
  width: min(var(--hero-copy-width), calc(100% - (var(--content-gutter) * 2)))
}

.brand {
  height: 66px;
  line-height: 1;
  letter-spacing: -4px;
  white-space: nowrap
}

.brand__gg, .brand__map {
  display: inline-block;
  font-family: Arial, "Helvetica Neue", sans-serif;
  font-weight: 700;
  font-size: 65px;
}

.brand__gg img{
  color: #075eb5;
  width: 60%;
  height: auto;
}

.brand__map {
  color: #001b45;
  letter-spacing: -5px
}

.brand__tagline {
  margin: 5px 0 0;
  font-family: Arial, "Helvetica Neue", sans-serif;
  font-size: 17px;
  line-height: 1.35;
  font-weight: 700;
  letter-spacing: .1px;
  color: #001438
}

.hero h1 {
  margin: 21px 0 0;
  font-size: 28px;
  line-height: 1.54;
  letter-spacing: .2px;
  font-weight: 800;
  color: #001d49
}

.hero__lead {
  margin: 10px 0 0;
  font-size: 17px;
  line-height: 1.55;
  font-weight: 700;
  letter-spacing: .1px;
  color: #001d49
}

.hero__note {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.7;
  font-weight: 500;
  color: #0c2441
}

.hero__city {
  position: absolute;
  left: 300px;
  top: 320px;
  width: 130px;
  height: 107px;
  object-fit: contain;
  z-index: 0
}

.hero__visual {
  position: absolute;
  left: 420px;
  top: 65px;
  width: 595px;
  height: 355px;
  object-fit: contain;
  z-index: 1
}

.about {
  height: 212px;
  background: linear-gradient(90deg, #fff 0%, #fbfdff 55%, #f8fbfe 100%);
  border-top: 1px solid #d7e9f7;
  border-bottom: 1px solid #d7e9f7
}

.about__copy {
  position: absolute;
  left: 39px;
  top: 30px;
  width: 390px
}

.about h2 {
  margin: 0 0 12px;
  font-size: 23px;
  line-height: 1.3;
  color: #001e47;
  font-weight: 800
}

.about h2 span, .platform h2 span {
  color: #0867bc
}

.about__copy p {
  margin: 0 0 10px;
  font-size: 13px;
  line-height: 1.75;
  color: #141e2b
}

.flow {
  position: absolute;
  left: 462px;
  top: 38px;
  width: 500px;
  text-align: center
}

.flow__row {
  display: flex;
  align-items: center;
  justify-content: space-between
}

.flow__item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 103px;
  height: 103px;
  border: 1px solid #d9dfe6;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 0 16px rgba(0, 40, 90, .025)
}

.flow__item svg {
  width: 39px;
  height: 39px;
  color: #0966bd;
  margin-bottom: 8px
}

.flow__item strong {
  font-size: 16px;
  line-height: 1;
  color: #001d47
}

.flow__arrow {
  position: relative;
  top: -2px;
  color: #979797;
  font-family: Arial, sans-serif;
  font-size: 36px;
  font-weight: 300;
  line-height: 1
}

.flow>p {
  margin: 13px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: #172133
}

.features {
  height: 242px;
  background: #fff;
  border-bottom: 1px solid #d7e9f7
}

.features__frame {
  padding-top: 17px
}

.section-title {
  position: relative;
  margin: 0;
  text-align: center;
  font-size: 20px;
  line-height: 1.3;
  font-weight: 800;
  color: #001e47
}

.section-title::after {
  content: "";
  display: block;
  width: 41px;
  height: 3px;
  margin: 8px auto 0;
  background: #0664bb
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(9, 1fr);
  gap: 5px;
  padding: 12px 21px 0
}

.feature-card {
  height: 153px;
  padding: 12px 5px 7px;
  text-align: center;
  background: #fff;
  border: 1px solid #e4e8ed;
  border-radius: 5px;
  box-shadow: 0 3px 12px rgba(0, 27, 67, .09)
}

.feature-card svg {
  width: 40px;
  height: 40px;
  margin: 0 auto 8px;
  color: #075fb6
}

.feature-card h3 {
  min-height: 22px;
  margin: 0 0 6px;
  font-size: 13px;
  line-height: 1.18;
  font-weight: 800;
  color: #00356e;
  letter-spacing: -.2px
}

.feature-card p {
  margin: 0;
  font-size: 9.8px;
  line-height: 1.58;
  color: #162033;
  font-weight: 500;
  letter-spacing: -.15px
}

.platform {
  height: 262px;
  background: #fff;
  border-bottom: 1px solid #d7e9f7
}

.platform__copy {
  position: absolute;
  left: 39px;
  top: 61px;
  width: 270px
}

.platform__copy h2 {
  margin: 0 0 10px;
  font-size: 23px;
  line-height: 1.35;
  color: #0757a8;
  font-weight: 800
}

.platform__copy p {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: #151f2c
}

.platform-map {
  position: absolute;
  left: 330px;
  top: 17px;
  width: 640px;
  height: 220px
}

.platform-map__lines {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none
}

.system-box {
  position: absolute;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 37px;
  border: 1px solid #1d78ce;
  border-radius: 4px;
  background: #fff;
  color: #0053a1;
  font-size: 12px;
  font-weight: 700;
  box-shadow: 0 0 3px rgba(0, 74, 142, .05)
}

.system-box--l1, .system-box--l2, .system-box--l3 {
  left: 0;
  width: 164px
}

.system-box--r1, .system-box--r2, .system-box--r3 {
  right: 0;
  width: 164px
}

.system-box--l1, .system-box--r1 {
  top: 19px
}

.system-box--l2, .system-box--r2 {
  top: 70px
}

.system-box--l3, .system-box--r3 {
  top: 121px
}

.platform-core {
  position: absolute;
  left: 244px;
  top: 14px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 152px;
  height: 152px;
  border-radius: 50%;
  color: #fff;
  text-align: center;
  background: radial-gradient(circle at 35% 28%, #0b70ce 0%, #005bb8 48%, #00479a 100%);
  box-shadow: 0 8px 14px rgba(0, 52, 108, .16)
}

.platform-core strong {
  font: 700 30px/1 Arial, sans-serif;
  letter-spacing: -1px
}

.platform-core span {
  margin-top: 7px;
  font: 700 10px/1.35 Arial, sans-serif
}

.system-box--bottom {
  left: 199px;
  top: 178px;
  width: 242px;
  height: 37px
}

.platform__note {
  position: absolute;
  left: 440px;
  bottom: 4px;
  margin: 0;
  font-size: 9px;
  color: #6a7580
}

.footer {
  height: 141px;
  color: #fff;
  background: linear-gradient(90deg, #004585 0%, #00376f 55%, #003266 100%)
}

.footer__lead {
  position: absolute;
  left: 40px;
  top: 24px;
  font-size: 17px;
  line-height: 1.72;
  font-weight: 600
}

.footer__lead strong {
  font-weight: 700
}

.footer__links {
  position: absolute;
  right: 39px;
  top: 19px;
  display: flex;
  height: 82px
}

.footer-card {
  display: flex;
  align-items: flex-start;
  width: 205px;
  height: 82px;
  padding: 13px 20px;
  border-left: 1px solid rgba(255, 255, 255, .24)
}

.footer-card:last-child {
  width: 198px
}

.footer-card svg {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  margin: 2px 12px 0 0;
  color: #fff
}

.footer-card strong {
  display: block;
  font-size: 14px;
  line-height: 1.4;
  font-weight: 700
}

.footer-card span {
  display: block;
  margin-top: 10px;
  font-size: 10px;
  line-height: 1.45;
  font-weight: 600
}

.copyright {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 6px;
  margin: 0;
  text-align: center;
  font: 400 10px/1.2 Arial, sans-serif;
  color: rgba(255, 255, 255, .95)
}

@media (max-width: 1024px) {
  .frame {
    width: 100%
  }

  .hero__city {
    left: 29.3%
  }

  .hero__visual {
    left: 41%;
    width: 58.1%;
    height: auto
  }

  .hero__copy {
    left: var(--content-gutter)
  }

  .about__copy {
    left: 3.8%
  }

  .flow {
    left: 45.1%;
    width: 48.8%
  }

  .feature-grid {
    padding-left: 2.05%;
    padding-right: 2.05%
  }

  .platform__copy {
    left: 3.8%
  }

  .platform-map {
    left: 32.2%;
    width: 62.5%
  }

  .platform__note {
    left: 43%
  }

  .footer__lead {
    left: 3.9%
  }

  .footer__links {
    right: 3.8%
  }

}

@media (max-width: 820px) {
  .hero {
    height: auto;
    min-height: 0;
    overflow: hidden;
    padding-bottom: 40px;
    background-position: center top;
    background-size: auto 100%;
  }

  .hero__frame {
    height: auto;
    overflow: hidden
  }

  .br-pc {
    display: none
  }

  .br-sp {
    display: inline
  }

  .hero__copy {
    position: relative;
    left: auto;
    top: auto;
    width: min(var(--hero-copy-width), 100%);
    padding: 34px var(--content-gutter) 0
  }

  .hero__city {
    display: none
  }

  .hero__visual {
    position: relative;
    left: auto;
    top: auto;
    width: min(680px, 100%);
    height: auto;
    margin: 20px auto 0
  }

  .brand__gg, .brand__map {
    font-size: 54px
  }

  .brand {
    height: 56px
  }

  .hero h1 {
    font-size: 25px
  }

  .about {
    height: auto
  }

  .about__frame {
    padding: 30px 24px 35px
  }

  .about__copy, .flow {
    position: relative;
    left: auto;
    top: auto;
    width: auto
  }

  .flow {
    margin-top: 24px
  }

  .flow__row {
    justify-content: center;
    gap: 10px
  }

  .flow__arrow {
    font-size: 25px
  }

  .flow__item {
    width: 86px;
    height: 86px
  }

  .features {
    height: auto
  }

  .features__frame {
    padding: 24px 0 30px
  }

  .feature-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 18px 18px 0
  }

  .feature-card {
    height: 165px
  }

  .platform {
    height: auto
  }

  .platform__frame {
    padding: 38px 24px 25px
  }

  .platform__copy, .platform-map, .platform__note {
    position: relative;
    left: auto;
    top: auto;
    bottom: auto;
    width: auto
  }

  .platform-map {
    width: 640px;
    max-width: 100%;
    margin: 24px auto 0;
    transform-origin: top left
  }

  .platform__note {
    text-align: center;
    margin-top: 8px
  }

  .footer {
    height: auto;
    min-height: 260px
  }

  .footer__frame {
    padding: 28px 24px 36px
  }

  .footer__lead, .footer__links, .copyright {
    position: relative;
    left: auto;
    right: auto;
    top: auto;
    bottom: auto
  }

  .footer__links {
    margin-top: 24px
  }

  .footer-card {
    flex: 1;
    width: auto
  }

  .copyright {
    margin-top: 22px
  }

}

@media (max-width: 560px) {
  .hero {
    min-height: 0;
    padding-bottom: 36px
  }

  .hero__copy {
    width: 100%;
    padding: 28px var(--content-gutter) 0
  }

  .brand__gg, .brand__map {
    font-size: 46px
  }

  .brand {
    height: 49px
  }

  .brand__tagline {
    font-size: 13px
  }

  .hero h1 {
    font-size: 22px
  }

  .hero__lead {
    font-size: 15px
  }

  .hero__note {
    font-size: 13px
  }

  .flow__row {
    display: grid;
    grid-template-columns: 1fr 10px 1fr 10px 1fr 10px 1fr;
    gap: 2px
  }

  .flow__item {
    width: 70px;
    height: 70px
  }

  .flow__item svg {
    width: 28px;
    height: 28px;
    margin-bottom: 5px
  }

  .flow__item strong {
    font-size: 13px
  }

  .feature-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr))
  }

  .platform-map {
    height: 360px
  }

  .platform-map__lines {
    display: none
  }

  .platform-core {
    left: 50%;
    top: 0;
    transform: translateX(-50%)
  }

  .system-box {
    width: 46%!important;
    left: auto!important;
    right: auto!important
  }

  .system-box--l1 {
    top: 170px;
    left: 0!important
  }

  .system-box--r1 {
    top: 170px;
    right: 0!important
  }

  .system-box--l2 {
    top: 215px;
    left: 0!important
  }

  .system-box--r2 {
    top: 215px;
    right: 0!important
  }

  .system-box--l3 {
    top: 260px;
    left: 0!important
  }

  .system-box--r3 {
    top: 260px;
    right: 0!important
  }

  .system-box--bottom {
    top: 307px;
    left: 10%!important;
    width: 80%!important
  }

  .footer__links {
    display: block;
    height: auto
  }

  .footer-card, .footer-card:last-child {
    width: 100%;
    border-left: 0;
    border-top: 1px solid rgba(255, 255, 255, .24)
  }

}
