:root {
  --ink: #071a36;
  --ink-soft: #31415a;
  --muted: #66748a;
  --line: #dce3eb;
  --line-strong: #c9d4df;
  --paper: #ffffff;
  --wash: #f6f9fb;
  --wash-blue: #edf5f8;
  --deep: #062746;
  --deep-2: #073b42;
  --teal: #0b685e;
  --gold: #d9a64a;
  --radius: 8px;
  --shadow: 0 18px 48px rgba(11, 35, 62, 0.08);
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Yu Mincho", "Hiragino Mincho ProN", "Noto Serif JP", "Times New Roman", serif;
  font-size: 15px;
  line-height: 1.8;
  text-rendering: geometricPrecision;
}

body.nav-open {
  overflow: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

p,
h1,
h2,
h3 {
  margin: 0;
}

.container {
  width: min(calc(100% - 64px), var(--container));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 62px;
  padding: 0 clamp(18px, 4vw, 46px);
  background: rgba(255, 255, 255, 0.92);
  border-bottom: 1px solid rgba(213, 224, 234, 0.76);
  backdrop-filter: blur(14px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 13px;
  min-width: 0;
  color: var(--ink);
  font-weight: 700;
  letter-spacing: 0;
}

.brand-mark {
  display: block;
  width: 56px;
  height: 56px;
  flex: 0 0 auto;
}

.brand-mark::after {
  content: none;
}

.brand-mark img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand-name {
  display: block;
  width: 118px;
  height: 44px;
  flex: 0 0 auto;
}

.brand-name img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(20px, 3vw, 36px);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #16304f;
}

.site-nav a {
  position: relative;
  padding: 22px 0;
  white-space: nowrap;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 14px;
  height: 2px;
  content: "";
  background: var(--teal);
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 180ms ease;
}

.site-nav a:hover::after,
.site-nav a.is-active::after {
  transform: scaleX(1);
}

.nav-toggle {
  display: none;
  place-items: center;
  width: 42px;
  height: 42px;
  padding: 0;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px 0;
  background: var(--ink);
  transition: transform 180ms ease, opacity 180ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: clamp(470px, 58vw, 620px);
  overflow: hidden;
  isolation: isolate;
}

.hero-bg,
.hero-overlay {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-bg {
  object-fit: cover;
  object-position: center;
  z-index: -2;
}

.hero-overlay {
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 255, 255, 0.94) 30%, rgba(255, 255, 255, 0.22) 58%, rgba(255, 255, 255, 0) 100%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0) 64%, rgba(255, 255, 255, 0.2) 100%);
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  min-height: clamp(470px, 58vw, 620px);
  padding: 72px 0 86px;
}

.eyebrow,
.section-kicker {
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  color: var(--deep);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.hero h1 {
  width: min(100%, 720px);
  margin-top: 16px;
  color: #061633;
  font-size: clamp(44px, 6.2vw, 84px);
  font-weight: 700;
  line-height: 1.14;
  letter-spacing: 0;
}

.hero-title__line {
  display: inline-block;
  white-space: nowrap;
}

.hero p:not(.eyebrow) {
  width: min(100%, 560px);
  margin-top: 26px;
  font-size: clamp(15px, 1.7vw, 18px);
  font-weight: 700;
  line-height: 2;
}

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 28px;
  border: 1px solid currentColor;
  border-radius: 999px;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 800;
  line-height: 1.2;
  transition: transform 180ms ease, background 180ms ease, color 180ms ease, border-color 180ms ease;
}

.button::after,
.text-link::after {
  content: "›";
  margin-left: 12px;
  font-size: 18px;
  line-height: 1;
}

.button:hover,
.text-link:hover {
  transform: translateY(-1px);
}

.primary {
  margin-top: 32px;
  color: #fff;
  background: var(--deep);
  border-color: var(--deep);
}

.primary:hover {
  background: #0b3c67;
}

.overview {
  padding: clamp(34px, 4.2vw, 50px) 0 clamp(28px, 4vw, 44px);
  background: linear-gradient(180deg, #fff 0%, #f8fbfd 100%);
  border-bottom: 1px solid var(--line);
}

.overview-grid {
  display: grid;
  grid-template-columns: minmax(340px, 0.74fr) minmax(520px, 1.26fr);
  gap: 30px;
  align-items: start;
}

.overview-copy h2 {
  margin-top: 10px;
  font-size: clamp(23px, 2.35vw, 30px);
  line-height: 1.48;
  letter-spacing: 0;
}

.overview-copy p:not(.section-kicker) {
  margin-top: 18px;
  color: var(--ink-soft);
  font-weight: 700;
}

.map-panel {
  position: relative;
  min-height: 330px;
  padding-top: 30px;
}

.map-panel img {
  width: 100%;
  min-height: 270px;
  aspect-ratio: 1774 / 887;
  object-fit: contain;
  object-position: center;
}

.map-labels {
  position: absolute;
  inset: 0 0 auto;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  align-items: start;
  height: 150px;
  pointer-events: none;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 11px;
  font-weight: 800;
  color: #1f3854;
}

.map-labels span {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.map-labels span::after {
  position: absolute;
  top: 27px;
  left: 50%;
  width: 1px;
  height: 136px;
  content: "";
  background: rgba(24, 57, 84, 0.28);
}

.map-labels i,
.solution-item i,
.flow-item i,
.socials i {
  display: inline-grid;
  place-items: center;
  color: var(--teal);
}

i[data-icon] svg {
  width: 100%;
  height: 100%;
}

.map-labels i {
  width: 16px;
  height: 16px;
  flex: 0 0 auto;
}

.section {
  padding: clamp(44px, 6vw, 72px) 0;
}

.section.compact {
  padding-top: 6px;
}

.section-title {
  margin-bottom: 28px;
  text-align: center;
  color: var(--ink);
  font-size: clamp(25px, 3.1vw, 34px);
  line-height: 1.3;
}

.service-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 22px;
}

.service-card {
  display: grid;
  grid-template-columns: 94px 1fr;
  gap: 20px;
  min-height: 162px;
  padding: 24px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 14px 34px rgba(36, 70, 96, 0.05);
}

.service-card img {
  width: 94px;
  height: 104px;
  object-fit: contain;
}

.service-card h3,
.solution-item h3,
.thumb-card h3,
.flow-item h3 {
  color: #10243d;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  font-weight: 800;
  line-height: 1.45;
}

.service-card p,
.solution-item p,
.thumb-card p,
.flow-item p {
  margin-top: 9px;
  color: var(--ink-soft);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.75;
}

.text-link {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  color: var(--deep);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 800;
  transition: transform 180ms ease;
}

.solution-panel {
  padding: 28px 20px 20px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.solution-head {
  text-align: center;
}

.solution-head h2 {
  font-size: clamp(23px, 3vw, 32px);
  line-height: 1.35;
}

.solution-head p {
  width: min(100%, 760px);
  margin: 14px auto 0;
  color: var(--ink-soft);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 13px;
  font-weight: 700;
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.solution-item {
  display: grid;
  grid-template-columns: 70px 1fr;
  grid-template-rows: auto auto;
  column-gap: 18px;
  min-height: 110px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
}

.solution-item i {
  grid-row: span 2;
  align-self: center;
  width: 58px;
  height: 58px;
}

.solution-item p {
  margin-top: 5px;
}

.thumb-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.thumb-card {
  overflow: hidden;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.thumb-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.thumb-card img {
  width: 100%;
  aspect-ratio: 198 / 67;
  object-fit: cover;
}

.thumb-card div {
  position: relative;
  min-height: 92px;
  padding: 14px 36px 17px 15px;
}

.thumb-card div::after {
  position: absolute;
  right: 14px;
  bottom: 18px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  content: "›";
  color: var(--deep);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-weight: 800;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
}

.data-band {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  padding: 40px 0;
  color: #fff;
  background: var(--deep-2);
}

.data-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.data-band::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background:
    linear-gradient(90deg, rgba(2, 32, 42, 0.94) 0%, rgba(5, 59, 63, 0.88) 52%, rgba(5, 59, 63, 0.62) 100%),
    linear-gradient(180deg, rgba(0, 0, 0, 0.08), rgba(0, 0, 0, 0.18));
}

.data-content {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) minmax(460px, 0.98fr);
  gap: 36px;
  align-items: center;
}

.data-copy h2 {
  font-size: clamp(24px, 3vw, 33px);
  line-height: 1.45;
}

.data-copy p {
  width: min(100%, 640px);
  margin-top: 13px;
  color: rgba(255, 255, 255, 0.84);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-weight: 700;
}

.ghost {
  margin-top: 22px;
  color: #fff;
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.72);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.metric-card {
  min-height: 108px;
  padding: 15px 13px;
  border: 1px solid rgba(255, 255, 255, 0.3);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.07);
  backdrop-filter: blur(8px);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

.metric-card span {
  display: block;
  color: rgba(255, 255, 255, 0.8);
  font-size: 11px;
  font-weight: 800;
}

.metric-card strong {
  display: flex;
  align-items: baseline;
  gap: 2px;
  margin-top: 7px;
  font-family: "Times New Roman", "Yu Mincho", serif;
  font-size: 35px;
  font-weight: 400;
  line-height: 1;
}

.metric-card small {
  font-size: 14px;
}

.metric-card p {
  margin-top: 8px;
  color: rgba(255, 255, 255, 0.76);
  font-size: 11px;
  line-height: 1.45;
}

.metric-card.camera img {
  width: 100%;
  height: 48px;
  margin-top: 8px;
  object-fit: cover;
  border-radius: 5px;
}

.flow-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 28px;
  margin-top: 8px;
}

.flow-grid::before {
  position: absolute;
  top: 26px;
  left: 28px;
  right: 28px;
  height: 1px;
  content: "";
  background: var(--line-strong);
}

.flow-item {
  position: relative;
  padding-top: 46px;
}

.step-num {
  position: absolute;
  top: 14px;
  left: 0;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  color: #fff;
  background: var(--deep);
  border-radius: 50%;
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 10px;
  font-weight: 800;
}

.flow-item i {
  width: 38px;
  height: 38px;
  margin-bottom: 12px;
}

.cases {
  padding-top: 8px;
}

.centered {
  display: flex;
  width: fit-content;
  margin: 24px auto 0;
}

.outline {
  color: var(--deep);
  background: #fff;
  border-color: var(--line-strong);
}

.cta {
  position: relative;
  overflow: hidden;
  color: #fff;
  isolation: isolate;
}

.cta > img {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cta::after {
  position: absolute;
  inset: 0;
  z-index: -1;
  content: "";
  background: linear-gradient(90deg, rgba(5, 42, 70, 0.82), rgba(5, 42, 70, 0.5));
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 98px;
  padding: 20px 0;
}

.cta h2 {
  font-size: clamp(23px, 3vw, 34px);
  line-height: 1.35;
}

.cta p {
  margin-top: 6px;
  color: rgba(255, 255, 255, 0.82);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-weight: 700;
}

.primary.dark {
  flex: 0 0 auto;
  margin-top: 0;
  background: #05233f;
  border-color: #05233f;
}

.site-footer {
  color: #fff;
  background: #062746;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 74px;
}

.footer-brand {
  color: #fff;
}

.footer-brand .brand-name img {
  filter: brightness(0) invert(1);
}

.footer-brand .brand-mark img {
  filter: brightness(0) invert(1);
}

.site-footer nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 44px);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 12px;
  font-weight: 800;
  color: rgba(255, 255, 255, 0.84);
}

.socials {
  display: flex;
  align-items: center;
  gap: 12px;
}

.socials a {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  color: #fff;
}

.socials i {
  width: 20px;
  height: 20px;
}

@media (max-width: 980px) {
  .container {
    width: min(calc(100% - 36px), var(--container));
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    top: 62px;
    right: 18px;
    left: 18px;
    display: grid;
    gap: 0;
    padding: 8px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 180ms ease, transform 180ms ease;
  }

  .site-nav.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
  }

  .site-nav a {
    padding: 13px 14px;
  }

  .site-nav a::after {
    display: none;
  }

  .overview-grid,
  .data-content {
    grid-template-columns: 1fr;
  }

  .service-grid,
  .solution-grid {
    grid-template-columns: 1fr;
  }

  .thumb-grid,
  .case-grid,
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .flow-grid::before {
    display: none;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta-inner,
  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-footer nav {
    flex-wrap: wrap;
    gap: 14px 24px;
  }
}

@media (min-width: 981px) {
  .site-header {
    height: 58px;
  }

  .hero,
  .hero-content {
    min-height: clamp(360px, 33vw, 430px);
  }

  .hero-content {
    padding: 54px 0 56px;
  }

  .hero h1 {
    width: min(100%, 720px);
    font-size: clamp(44px, 4.9vw, 66px);
  }

  .hero p:not(.eyebrow) {
    width: min(100%, 540px);
    margin-top: 20px;
  }

  .primary {
    margin-top: 24px;
  }

  .overview {
    padding: 30px 0 30px;
  }

  .overview-grid {
    grid-template-columns: minmax(410px, 0.82fr) minmax(0, 1.18fr);
    gap: 34px;
    align-items: start;
  }

  .overview-copy {
    padding-top: 8px;
  }

  .overview-copy h2 {
    max-width: 430px;
    font-size: clamp(24px, 2.05vw, 29px);
    line-height: 1.46;
  }

  .overview-copy p:not(.section-kicker) {
    max-width: 420px;
    margin-top: 14px;
    font-size: 13px;
    line-height: 1.75;
  }

  .map-panel {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding-top: 0;
  }

  .map-labels {
    position: relative;
    inset: auto;
    z-index: 2;
    height: 56px;
    margin-bottom: -16px;
  }

  .map-labels span::after {
    top: 26px;
    height: 104px;
  }

  .map-panel img {
    width: min(100%, 600px);
    height: auto;
    min-height: 0;
    max-height: 300px;
    align-self: flex-end;
    aspect-ratio: auto;
    object-fit: contain;
  }

  .section {
    padding: 42px 0;
  }

  .section.compact {
    padding-top: 0;
  }

  .section-title {
    margin-bottom: 20px;
    font-size: clamp(24px, 2.2vw, 30px);
  }

  .service-grid {
    gap: 20px;
  }

  .service-card {
    min-height: 142px;
    padding: 22px 18px;
  }

  .solution-panel {
    padding: 24px 18px 18px;
  }

  .solution-head h2 {
    font-size: clamp(24px, 2.35vw, 31px);
  }

  .solution-grid {
    margin-top: 18px;
  }

  .thumb-card div {
    min-height: 86px;
  }

  .data-band {
    padding: 32px 0;
  }

  .flow-grid {
    gap: 24px;
  }
}

@media (max-width: 640px) {
  body {
    font-size: 14px;
  }

  .site-header {
    padding-inline: 14px;
  }

  .brand-name {
    width: 104px;
    height: 39px;
  }

  .brand-mark {
    width: 48px;
    height: 48px;
  }

  .footer-inner {
    padding-top: 20px;
  }

  .hero {
    min-height: 540px;
  }

  .hero-bg {
    object-position: 64% center;
  }

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(255, 255, 255, 0.96) 0%, rgba(255, 255, 255, 0.92) 47%, rgba(255, 255, 255, 0.32) 100%),
      linear-gradient(90deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.36));
  }

  .hero-content {
    min-height: 540px;
    justify-content: flex-start;
    padding-top: 64px;
  }

  .hero h1 {
    font-size: clamp(40px, 13vw, 56px);
  }

  .map-labels {
    display: none;
  }

  .map-panel {
    padding-top: 0;
  }

  .service-card,
  .solution-item {
    grid-template-columns: 76px 1fr;
    gap: 16px;
    padding: 18px;
  }

  .service-card img {
    width: 76px;
    height: 84px;
  }

  .solution-item i {
    width: 50px;
    height: 50px;
  }

  .thumb-grid,
  .case-grid,
  .flow-grid,
  .metric-grid {
    grid-template-columns: 1fr;
  }

  .data-band {
    padding: 36px 0;
  }

  .metric-card.camera img {
    height: 94px;
  }

  .button {
    width: 100%;
    padding-inline: 20px;
  }

  .centered {
    width: 100%;
  }
}
.hero-title__brand {
  display: block;
  margin-bottom: 0.75rem;
  font-size: clamp(0.9rem, 1.8vw, 1.1rem);
  font-weight: 600;
  letter-spacing: 0.18em;
}