:root {
  --blue: #0099cc;
  --blue-dark: #06324a;
  --blue-deep: #0a4f78;
  --red-brown: #7a3340;
  --ink: #1c2730;
  --muted: #65727c;
  --line: #d8e3e8;
  --soft: #f4f8fa;
  --white: #fff;
  --shadow: 0 18px 45px rgba(5, 39, 58, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, Arial, sans-serif;
  line-height: 1.8;
  background: #fff;
}

img {
  max-width: 100%;
  height: auto;
}

a {
  color: var(--blue-deep);
  text-decoration: none;
}

a:hover {
  color: var(--red-brown);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(0, 153, 204, 0.18);
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  gap: 26px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex: 0 0 auto;
  color: var(--blue-dark);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  width: 118px;
  height: auto;
  display: block;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 18px;
  width: 100%;
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  color: #27414f;
  white-space: nowrap;
}

.site-nav .nav-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 18px;
  border-radius: 4px;
  color: #fff;
  background: var(--blue-deep);
  box-shadow: 0 8px 18px rgba(10, 79, 120, 0.18);
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    linear-gradient(120deg, rgba(6, 50, 74, 0.96) 0%, rgba(6, 50, 74, 0.9) 44%, rgba(0, 153, 204, 0.7) 100%),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.09) 0 1px, transparent 1px 70px);
  color: #fff;
}

.hero-inner {
  width: min(1120px, calc(100% - 40px));
  min-height: 620px;
  margin: 0 auto;
  padding: 88px 0 72px;
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(320px, 0.92fr);
  align-items: center;
  gap: 56px;
}

.eyebrow {
  margin: 0 0 16px;
  color: #b9ecff;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

.hero h1,
.page-hero h1 {
  margin: 0;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.24;
  letter-spacing: 0;
}

.hero-lead,
.page-lead {
  margin: 24px 0 0;
  font-size: 18px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-actions,
.section-actions {
  margin-top: 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 700;
  line-height: 1.4;
}

.button.primary {
  color: #fff;
  background: var(--blue);
}

.button.secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.48);
}

.button.light {
  color: var(--blue-dark);
  background: #fff;
  border-color: #fff;
}

.hero-panel {
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  box-shadow: var(--shadow);
}

.hero-panel h2 {
  margin: 0 0 18px;
  font-size: 20px;
  color: #fff;
}

.stack-list,
.check-list {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.stack-list li,
.check-list li {
  position: relative;
  padding-left: 20px;
}

.stack-list li::before,
.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.hero-panel .stack-list li::before {
  background: #8ee7ff;
}

.hero-strip {
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(2, 27, 41, 0.28);
}

.hero-strip-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 18px 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
  color: #dff7ff;
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding: 86px 0;
}

.section.soft {
  background: var(--soft);
}

.section.dark {
  color: #fff;
  background: var(--blue-dark);
}

.section-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.section-head {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-head.center {
  margin-inline: auto;
  text-align: center;
}

.section-kicker {
  margin: 0 0 8px;
  color: var(--blue-deep);
  font-size: 13px;
  font-weight: 800;
}

.dark .section-kicker {
  color: #93e7ff;
}

h2 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(27px, 2.7vw, 36px);
  line-height: 1.35;
  letter-spacing: 0;
}

.dark h2 {
  color: #fff;
}

.section-head p {
  margin: 16px 0 0;
  color: var(--muted);
}

.dark .section-head p,
.dark p {
  color: rgba(255,255,255,0.78);
}

.grid {
  display: grid;
  gap: 22px;
}

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

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

.grid.cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 26px;
  background: #fff;
  box-shadow: 0 10px 28px rgba(6, 50, 74, 0.05);
}

.card h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 21px;
  line-height: 1.42;
}

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

.card .meta {
  margin: 0 0 12px;
  color: var(--red-brown);
  font-size: 13px;
  font-weight: 800;
}

.story-panel {
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  padding: 34px 0;
}

.story-panel p {
  margin: 0;
  color: #40525d;
  font-size: 18px;
}

.story-panel p + p {
  margin-top: 16px;
}

.note {
  color: var(--muted);
  font-size: 14px;
}

.work-type {
  display: grid;
  gap: 18px;
}

.work-type h3 {
  margin-bottom: 6px;
}

.spec-list {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.spec-list li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
}

.spec-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--blue);
}

.effort {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  margin-top: 16px;
  padding: 3px 10px;
  border: 1px solid rgba(0, 153, 204, 0.24);
  border-radius: 999px;
  color: var(--blue-dark);
  background: #eef8fb;
  font-size: 13px;
  font-weight: 800;
}

.image-card {
  overflow: hidden;
  padding: 0;
}

.image-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.image-card .card-body {
  padding: 24px;
}

.feature-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
  gap: 46px;
  align-items: center;
}

.feature-media {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

.feature-media img {
  display: block;
  width: 100%;
}

.visual-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow);
}

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

.feature-layout .grid.cols-3 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.policy-content {
  display: grid;
  gap: 28px;
}

.policy-content h3 {
  margin: 0 0 12px;
  color: var(--blue-dark);
  font-size: 24px;
}

.policy-content h4 {
  margin: 22px 0 8px;
  color: var(--red-brown);
  font-size: 17px;
}

.policy-content p,
.policy-content li {
  color: var(--muted);
}

.policy-content ol,
.policy-content ul {
  margin-top: 10px;
  padding-left: 1.4em;
}

.page-hero {
  color: #fff;
  background:
    linear-gradient(125deg, rgba(6,50,74,0.98), rgba(10,79,120,0.84)),
    repeating-linear-gradient(90deg, rgba(255,255,255,0.08) 0 1px, transparent 1px 64px);
}

.page-hero-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 86px 0 66px;
}

.breadcrumbs {
  margin: 0 0 18px;
  color: #b9ecff;
  font-size: 13px;
}

.breadcrumbs a {
  color: #dff7ff;
}

.two-column {
  display: grid;
  grid-template-columns: minmax(0, 0.72fr) minmax(260px, 0.28fr);
  gap: 38px;
  align-items: start;
}

.side-box {
  border-left: 4px solid var(--blue);
  padding: 22px;
  background: var(--soft);
}

.side-box h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
}

.flow-list {
  display: grid;
  gap: 18px;
  counter-reset: flow;
}

.flow-item {
  position: relative;
  padding: 24px 24px 24px 82px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.flow-item::before {
  counter-increment: flow;
  content: counter(flow, decimal-leading-zero);
  position: absolute;
  left: 24px;
  top: 25px;
  color: var(--blue);
  font-size: 24px;
  font-weight: 800;
  line-height: 1;
}

.flow-item h3,
.faq-item h3 {
  margin: 0 0 8px;
  color: var(--blue-dark);
}

.flow-item p,
.faq-item p {
  margin: 0;
  color: var(--muted);
}

.faq-list {
  display: grid;
  gap: 16px;
}

.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 0 0 20px;
}

.company-table {
  width: 100%;
  border-collapse: collapse;
  border-top: 1px solid var(--line);
}

.company-table th,
.company-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.company-table th {
  width: 220px;
  color: var(--blue-dark);
  background: var(--soft);
}

.cta-band {
  color: #fff;
  background:
    linear-gradient(115deg, rgba(6,50,74,0.98), rgba(0,153,204,0.82));
}

.cta-band .section-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: center;
  gap: 28px;
}

.cta-band h2 {
  color: #fff;
}

.cta-band p {
  margin: 12px 0 0;
  color: rgba(255,255,255,0.82);
}

.site-footer {
  color: #d6e4ea;
  background: #052537;
}

.footer-inner {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
  padding: 42px 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr);
  gap: 34px;
}

.footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: #fff;
  font-size: 18px;
  font-weight: 800;
}

.footer-mark {
  display: block;
  width: 118px;
  height: auto;
  background: #fff;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px 18px;
  font-size: 14px;
}

.footer-links a {
  color: #d6e4ea;
}

.copyright {
  margin: 16px 0 0;
  color: #9cb2bd;
  font-size: 13px;
}

@media (max-width: 980px) {
  .header-inner {
    flex-wrap: wrap;
    padding: 14px 0;
  }

  .site-nav {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero-inner,
  .feature-layout,
  .two-column,
  .cta-band .section-inner,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-inner {
    min-height: auto;
  }

  .hero-strip-inner,
  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2,
  .feature-layout .grid.cols-3 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .footer-links {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  .header-inner,
  .hero-inner,
  .hero-strip-inner,
  .section-inner,
  .page-hero-inner,
  .footer-inner {
    width: min(100% - 28px, 1120px);
  }

  .brand {
    font-size: 16px;
  }

  .brand-mark,
  .footer-mark {
    width: 96px;
    height: auto;
  }

  .site-nav {
    gap: 14px;
    font-size: 13px;
  }

  .hero-inner,
  .page-hero-inner {
    padding: 56px 0 46px;
  }

  .hero h1,
  .page-hero h1 {
    font-size: 34px;
  }

  .hero-lead,
  .page-lead {
    font-size: 16px;
  }

  .hero-strip-inner,
  .grid.cols-4,
  .grid.cols-3,
  .grid.cols-2,
  .feature-layout .grid.cols-3 {
    grid-template-columns: 1fr;
  }

  .section {
    padding: 58px 0;
  }

  .card {
    padding: 22px;
  }

  .flow-item {
    padding: 22px;
  }

  .flow-item::before {
    position: static;
    display: block;
    margin-bottom: 12px;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 14px 16px;
  }
}