:root {
  color-scheme: light;
  --ink: #123049;
  --muted: #60768a;
  --line: #d7e3ed;
  --soft: #f3f8fb;
  --white: #ffffff;
  --blue: #155a8a;
  --blue-deep: #0b3557;
  --aqua: #e1f3f5;
  --green: #7fa68d;
  --shadow: 0 24px 60px rgba(18, 48, 73, 0.12);
  font-family: "Helvetica Neue", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(225, 243, 245, 0.9), transparent 34rem),
    linear-gradient(180deg, #fbfdfe 0%, #f6fafc 52%, #ffffff 100%);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.9;
  letter-spacing: 0;
  text-align: center;
}

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

img {
  display: block;
  width: 100%;
  height: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 24px;
  align-items: center;
  min-height: 76px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(215, 227, 237, 0.8);
  backdrop-filter: blur(18px);
}

.brand,
.desktop-nav,
.site-footer nav {
  display: flex;
  align-items: center;
}

.brand {
  gap: 10px;
  font-size: 14px;
  color: var(--blue-deep);
  white-space: nowrap;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--white);
  background: var(--blue-deep);
  border-radius: 50%;
  font-size: 16px;
  font-weight: 400;
}

.desktop-nav {
  justify-content: center;
  gap: clamp(14px, 2.6vw, 32px);
  color: var(--muted);
  font-size: 13px;
}

.desktop-nav a,
.site-footer a {
  transition: color 180ms ease;
}

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

.header-cta,
.primary-button,
.mobile-fixed-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 24px;
  color: var(--white);
  background: var(--blue-deep);
  border: 1px solid var(--blue-deep);
  border-radius: 999px;
  font-size: 14px;
  line-height: 1.4;
  box-shadow: 0 14px 30px rgba(11, 53, 87, 0.18);
}

.header-cta {
  min-height: 42px;
  padding-inline: 18px;
  font-size: 13px;
}

.quiet-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  color: var(--blue);
  border-bottom: 1px solid currentColor;
  font-size: 14px;
}

.section {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: clamp(72px, 9vw, 124px) 0;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(320px, 0.74fr);
  gap: clamp(42px, 7vw, 80px);
  align-items: center;
  min-height: calc(100svh - 76px);
  padding-top: clamp(56px, 7vw, 96px);
}

.hero-copy,
.section-heading,
.final-cta {
  display: grid;
  justify-items: center;
  text-align: center;
}

.eyebrow {
  margin: 0 0 18px;
  color: var(--green);
  font-size: 12px;
  line-height: 1.6;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

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

h1,
h2,
h3 {
  font-weight: 400;
  letter-spacing: 0;
}

h1 {
  max-width: 780px;
  margin-bottom: 24px;
  font-size: clamp(34px, 5.4vw, 72px);
  line-height: 1.22;
}

h2 {
  max-width: 760px;
  margin-bottom: 22px;
  font-size: clamp(28px, 4vw, 52px);
  line-height: 1.32;
}

h3 {
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.45;
}

.lead,
.section-heading p,
.final-cta p {
  max-width: 720px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(16px, 1.5vw, 19px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin: 36px 0 34px;
}

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  width: min(720px, 100%);
  margin: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
  box-shadow: var(--shadow);
}

.proof-strip div {
  padding: 22px 18px;
  background: rgba(255, 255, 255, 0.92);
}

.proof-strip dt {
  margin-bottom: 4px;
  color: var(--blue-deep);
  font-size: 24px;
  line-height: 1.2;
}

.proof-strip dd {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.hero-visual {
  position: relative;
  margin: 0;
}

.hero-visual img {
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

figcaption,
.note {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.hero-visual figcaption {
  margin-top: 12px;
}

.pain-grid,
.work-grid,
.service-table,
.external-proof,
.company-list,
.faq-list {
  display: grid;
  gap: 16px;
  margin-top: 42px;
}

.pain-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pain-grid article,
.service-table article,
.faq-list details,
.company-list div {
  padding: 28px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pain-grid span,
.flow-list span,
.work-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--green);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.14em;
}

.pain-grid p,
.service-table p,
.faq-list p,
.work-card p,
.company-list dd,
.flow-list li {
  margin-bottom: 0;
  color: var(--muted);
}

.promise {
  width: min(1180px, calc(100% - 40px));
}

.wide-photo {
  margin: 0 0 clamp(44px, 6vw, 72px);
}

.wide-photo img {
  max-height: 560px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.process-line {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 900px;
  margin: 46px auto 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.process-line div {
  padding: 28px 22px;
  background: var(--white);
}

.process-line span {
  display: block;
  margin-bottom: 12px;
  color: var(--blue);
  font-size: 13px;
}

.process-line p {
  margin: 0;
  color: var(--muted);
}

.expertise {
  padding-block: clamp(64px, 8vw, 100px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.industry-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 820px;
  margin: 42px auto 0;
}

.industry-list span {
  padding: 10px 18px;
  color: var(--blue-deep);
  background: var(--aqua);
  border: 1px solid rgba(21, 90, 138, 0.14);
  border-radius: 999px;
  font-size: 14px;
}

.work-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.work-card {
  display: grid;
  align-content: start;
  min-height: 100%;
  overflow: hidden;
  text-align: center;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  transition:
    transform 180ms ease,
    box-shadow 180ms ease;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.work-card img {
  aspect-ratio: 16 / 9;
  object-fit: cover;
  background: var(--soft);
}

.work-card span,
.work-card h3,
.work-card p {
  padding-inline: 24px;
}

.work-card span {
  margin-top: 24px;
}

.work-card p {
  padding-bottom: 28px;
}

.external-proof {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 18px;
}

.external-proof a {
  display: grid;
  place-items: center;
  min-height: 112px;
  padding: 22px;
  color: var(--blue-deep);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.7;
}

.note {
  max-width: 760px;
  margin: 24px auto 0;
}

.service-table {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 900px;
  margin-inline: auto;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 12px;
  margin: 42px 0 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  min-height: 164px;
  padding: 28px 18px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.faq-list {
  max-width: 850px;
  margin-inline: auto;
  text-align: left;
}

.faq-list summary {
  cursor: pointer;
  color: var(--blue-deep);
  font-size: 18px;
  line-height: 1.6;
  text-align: center;
}

.faq-list p {
  margin-top: 16px;
  text-align: center;
}

.company-list {
  max-width: 860px;
  margin-inline: auto;
  text-align: center;
}

.company-list div {
  display: grid;
  grid-template-columns: minmax(130px, 0.32fr) 1fr;
  gap: 24px;
  align-items: center;
}

.company-list dt {
  color: var(--blue);
  font-size: 14px;
}

.company-list dd {
  margin: 0;
}

.final-cta {
  width: min(980px, calc(100% - 40px));
  padding-inline: clamp(28px, 6vw, 80px);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.88), rgba(255, 255, 255, 0.96)),
    linear-gradient(135deg, rgba(225, 243, 245, 0.9), rgba(215, 227, 237, 0.75));
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.final-cta .primary-button {
  margin-top: 34px;
}

.site-footer {
  display: grid;
  justify-items: center;
  gap: 20px;
  padding: 54px 20px 90px;
  color: var(--muted);
  background: #eef5f8;
  border-top: 1px solid var(--line);
  font-size: 13px;
  text-align: center;
}

.footer-brand {
  margin: 0;
  color: var(--blue-deep);
  font-size: 18px;
}

.site-footer nav {
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.site-footer p {
  margin: 0;
}

.copyright {
  font-size: 12px;
}

.mobile-fixed-cta {
  display: none;
}

@media (max-width: 920px) {
  .site-header {
    grid-template-columns: 1fr auto;
  }

  .desktop-nav {
    display: none;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
    padding-top: 56px;
  }

  .hero-visual {
    width: min(420px, 100%);
    margin: 12px auto 38px;
  }

  .pain-grid,
  .work-grid,
  .external-proof,
  .service-table,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .flow-list li {
    min-height: auto;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .site-header {
    min-height: 66px;
    padding-inline: 16px;
  }

  .brand span:last-child {
    max-width: 44vw;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .header-cta {
    display: none;
  }

  .section {
    width: min(100% - 28px, 1120px);
    padding-block: 70px;
  }

  .hero {
    padding-top: 42px;
  }

  h1 {
    font-size: clamp(32px, 11vw, 44px);
  }

  h2 {
    font-size: clamp(26px, 8vw, 34px);
  }

  .hero-actions {
    width: 100%;
  }

  .primary-button,
  .quiet-link {
    width: 100%;
  }

  .proof-strip,
  .process-line {
    grid-template-columns: 1fr;
  }

  .pain-grid article,
  .service-table article,
  .faq-list details,
  .company-list div {
    padding: 24px 20px;
  }

  .company-list div {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .mobile-fixed-cta {
    position: fixed;
    right: 14px;
    bottom: 14px;
    z-index: 30;
    display: inline-flex;
    min-height: 50px;
    padding-inline: 22px;
  }

  .site-footer {
    padding-bottom: 92px;
  }
}