:root {
  --black: #050505;
  --ink: #1d1d1f;
  --muted: #6e6e73;
  --line: #d2d2d7;
  --page: #f5f5f7;
  --surface: #ffffff;
  --blue: #0071e3;
  --blue-soft: #e8f2ff;
  --shadow: 0 30px 80px rgba(0, 0, 0, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--page);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Hiragino Kaku Gothic ProN",
    "Yu Gothic",
    "Noto Sans JP",
    Meiryo,
    sans-serif;
  line-height: 1.65;
}

a {
  color: inherit;
}

h1,
h2,
h3,
p,
dd {
  overflow-wrap: anywhere;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 48px;
  padding: 0 clamp(18px, 5vw, 72px);
  background: rgba(245, 245, 247, 0.78);
  border-bottom: 1px solid rgba(210, 210, 215, 0.55);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
}

.brand-logo {
  display: block;
  width: 174px;
  height: auto;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 6px 22px;
  color: #424245;
  font-size: 12px;
}

.site-nav a {
  padding: 14px 0;
  text-decoration: none;
}

.site-nav a:hover {
  color: var(--blue);
}

.hero {
  display: grid;
  justify-items: center;
  min-height: calc(100svh - 48px);
  padding: clamp(52px, 8vw, 92px) clamp(20px, 5vw, 72px) 58px;
  text-align: center;
  background:
    radial-gradient(circle at 50% 42%, rgba(255, 255, 255, 0.92) 0, rgba(255, 255, 255, 0) 40%),
    linear-gradient(180deg, #fbfbfd 0%, #f5f5f7 100%);
}

.hero-copy {
  max-width: 980px;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 88px;
  line-height: 1.06;
  letter-spacing: 0;
}

.lead {
  max-width: 760px;
  margin: 22px auto 0;
  color: #424245;
  font-size: 24px;
  line-height: 1.48;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 13px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: fit-content;
  min-height: 42px;
  padding: 9px 20px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition:
    transform 160ms ease,
    background 160ms ease,
    color 160ms ease,
    box-shadow 160ms ease;
}

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

.button.primary {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 10px 24px rgba(0, 113, 227, 0.2);
}

.button.primary:hover {
  background: #0077ed;
}

.button.secondary {
  color: var(--blue);
  background: transparent;
  border: 1px solid rgba(0, 113, 227, 0.36);
}

.hero-visual {
  width: min(100%, 980px);
  margin: 44px auto 0;
  overflow: hidden;
  background: #fff;
  border: 1px solid rgba(210, 210, 215, 0.82);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: contain;
}

.statement {
  display: grid;
  place-items: center;
  min-height: 72svh;
  padding: clamp(64px, 9vw, 120px) clamp(22px, 5vw, 72px);
  color: #fff;
  background: #000;
}

.statement p {
  max-width: 980px;
  margin: 0;
  font-size: 50px;
  font-weight: 800;
  line-height: 1.22;
  text-align: center;
}

.feature {
  display: grid;
  justify-items: center;
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 72px);
  text-align: center;
}

.feature-copy {
  max-width: 880px;
}

h2 {
  margin: 0;
  font-size: 66px;
  line-height: 1.05;
  letter-spacing: 0;
}

.feature-copy p:last-child {
  max-width: 760px;
  margin: 24px auto 0;
  color: #424245;
  font-size: 22px;
}

.process-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 42px;
}

.process-line span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 92px;
  min-height: 42px;
  padding: 8px 18px;
  color: var(--blue);
  background: var(--blue-soft);
  border-radius: 999px;
  font-weight: 700;
}

.section {
  padding: clamp(58px, 8vw, 108px) clamp(16px, 4vw, 48px);
}

.section-heading {
  max-width: 1180px;
  margin: 0 auto 22px;
  text-align: center;
}

.service-block {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 1180px;
  margin: 0 auto;
}

.service-panel {
  display: flex;
  flex-direction: column;
  min-height: 680px;
  padding: clamp(30px, 4vw, 56px);
  background: #fff;
  border-radius: 8px;
  overflow: hidden;
}

.service-panel-dark {
  color: #fff;
  background: #000;
}

.service-number {
  margin: 0 0 auto;
  color: var(--blue);
  font-size: 16px;
  font-weight: 800;
}

.service-panel-dark .service-number,
.service-panel-dark .service-subtitle {
  color: #8cc7ff;
}

.service-panel h3 {
  margin: 40px 0 0;
  font-size: 54px;
  line-height: 1.08;
  letter-spacing: 0;
}

.service-subtitle {
  margin: 14px 0 28px;
  color: var(--blue);
  font-size: 22px;
  font-weight: 800;
}

.service-body {
  display: grid;
  gap: 18px;
  color: #424245;
  font-size: 16px;
}

.service-panel-dark .service-body {
  color: #f5f5f7;
}

.service-body p {
  margin: 0;
}

.company {
  background: #fff;
}

.company-list {
  max-width: 980px;
  margin: 30px auto 0;
  border-top: 1px solid var(--line);
}

.company-list div {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr);
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.company-list dt {
  color: var(--muted);
  font-weight: 700;
}

.company-list dd {
  margin: 0;
  color: var(--ink);
}

.contact {
  display: grid;
  justify-items: center;
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 72px);
  color: #fff;
  text-align: center;
  background:
    radial-gradient(circle at 50% 0, rgba(0, 113, 227, 0.44), transparent 44%),
    #000;
}

.contact .eyebrow {
  color: #8cc7ff;
}

.contact h2 {
  max-width: 850px;
}

.contact p:not(.eyebrow) {
  max-width: 660px;
  margin: 22px 0 26px;
  color: #f5f5f7;
  font-size: 20px;
}

.site-footer {
  display: flex;
  justify-content: center;
  padding: 28px 20px;
  color: var(--muted);
  background: #f5f5f7;
  border-top: 1px solid var(--line);
}

@media (max-width: 980px) {
  h1 {
    font-size: 66px;
  }

  .lead {
    font-size: 22px;
  }

  .statement p {
    font-size: 38px;
  }

  h2 {
    font-size: 52px;
  }

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

  .service-panel {
    min-height: auto;
  }

  .service-panel h3 {
    font-size: 46px;
  }
}

@media (max-width: 900px) {
  .site-header {
    position: static;
    align-items: flex-start;
    flex-direction: column;
    padding-top: 12px;
    padding-bottom: 12px;
  }

  .site-nav {
    justify-content: flex-start;
  }

  .site-nav a {
    padding: 4px 0;
  }
}

@media (max-width: 620px) {
  .hero {
    min-height: auto;
    padding-top: 46px;
  }

  h1 {
    font-size: 40px;
  }

  .lead {
    font-size: 18px;
  }

  .button {
    max-width: 100%;
  }

  .hero-visual {
    margin-top: 34px;
  }

  .statement {
    min-height: auto;
  }

  .statement p {
    font-size: 28px;
    text-align: left;
  }

  .feature {
    text-align: left;
  }

  h2 {
    font-size: 36px;
  }

  .feature-copy p:last-child {
    font-size: 18px;
  }

  .section-heading {
    text-align: left;
  }

  .process-line {
    justify-content: flex-start;
  }

  .service-panel h3 {
    font-size: 35px;
  }

  .service-subtitle {
    font-size: 19px;
  }

  .company-list div {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .contact p:not(.eyebrow) {
    font-size: 17px;
  }
}
