:root {
  --ink: #111827;
  --muted: #566172;
  --subtle: #f4f7f9;
  --line: #dce4ea;
  --panel: #ffffff;
  --navy: #0c1b2a;
  --navy-2: #12334b;
  --cyan: #10a7c5;
  --cyan-on-light: #087891;
  --green: #19a974;
  --orange: #f59e0b;
  --shadow: 0 20px 60px rgba(14, 31, 45, 0.14);
  --radius: 8px;
  --max: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 88px;
}

body {
  margin: 0;
  color: var(--ink);
  background: #ffffff;
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

img,
svg {
  display: block;
}

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

button,
input,
textarea {
  font: inherit;
}

.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  padding: 14px clamp(20px, 4vw, 56px);
  color: #ffffff;
  background: rgba(9, 20, 31, 0.36);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, color 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 8px 28px rgba(15, 23, 42, 0.08);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-logo {
  flex: 0 0 45px;
  width: 45px;
  height: 38px;
  object-fit: contain;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(14px, 2vw, 24px);
  font-size: 13px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
}

.site-nav a::after {
  position: absolute;
  left: 0;
  right: 0;
  bottom: -8px;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 160ms ease;
  content: "";
}

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

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  color: inherit;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 8px;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: currentColor;
}

.hero {
  position: relative;
  min-height: 84vh;
  overflow: hidden;
  color: #ffffff;
  display: grid;
  align-items: center;
  padding: 96px clamp(20px, 5vw, 56px) 26px;
}

.hero-media,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  background:
    linear-gradient(90deg, rgba(6, 16, 25, 0.95) 0%, rgba(9, 25, 39, 0.76) 48%, rgba(9, 25, 39, 0.18) 100%),
    linear-gradient(180deg, rgba(6, 16, 25, 0.15) 0%, rgba(6, 16, 25, 0.72) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  color: var(--cyan);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  max-width: 760px;
  font-size: clamp(36px, 5vw, 62px);
  line-height: 1.12;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 680px;
  margin: 20px 0 0;
  color: rgba(255, 255, 255, 0.86);
  font-size: clamp(16px, 2vw, 19px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 26px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 8px;
  font-weight: 800;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button:disabled,
.button[disabled] {
  cursor: not-allowed;
  opacity: 0.62;
  box-shadow: none;
}

.button:disabled:hover,
.button[disabled]:hover {
  transform: none;
}

.button-primary {
  color: #07131d;
  background: var(--orange);
  box-shadow: 0 16px 32px rgba(245, 158, 11, 0.28);
}

.button-secondary {
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.46);
  background: rgba(255, 255, 255, 0.1);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  width: min(860px, 100%);
  margin: 34px 0 0;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-stats div {
  padding: 14px 18px;
  background: rgba(7, 19, 29, 0.54);
}

.hero-stats dt {
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 26px;
  font-weight: 800;
  line-height: 1.1;
}

.hero-stats dd {
  margin: 6px 0 0;
  color: rgba(255, 255, 255, 0.76);
  font-size: 13px;
}

.section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 56px);
  scroll-margin-top: 88px;
}

#services,
#strengths,
#coverage,
#examples,
#consultation,
#results,
#flow,
#contact {
  scroll-margin-top: 88px;
}

.section-inner {
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.split {
  display: grid;
  grid-template-columns: 0.9fr 1.4fr;
  gap: clamp(28px, 6vw, 80px);
  align-items: start;
}

.section h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(30px, 4.2vw, 48px);
  line-height: 1.22;
  letter-spacing: 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 38px;
}

.section-heading p:last-child,
.sticky-copy p,
.contact-section p {
  color: var(--muted);
}

.problem-section {
  background: var(--subtle);
}

.section:not(.strengths-section) .section-kicker,
.contact-form .section-kicker {
  color: var(--cyan-on-light);
}

.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.problem-grid article,
.service-card,
.examples article,
.flow-list li {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.problem-grid article {
  padding: 24px;
}

.mini-icon,
.strength-list span,
.flow-list span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--cyan);
  background: rgba(16, 167, 197, 0.1);
  border-radius: 8px;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-weight: 800;
}

.problem-section .mini-icon,
.services-section .service-icon,
.coverage-section .tag,
.examples-section .tag,
.consultation-section .section-kicker,
.results-section .section-kicker {
  color: var(--cyan-on-light);
}

h3 {
  margin: 16px 0 8px;
  font-size: 20px;
  line-height: 1.35;
}

article p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.services-section {
  background: #ffffff;
}

.section-cta {
  padding: clamp(34px, 5vw, 52px) clamp(20px, 5vw, 56px);
  color: #ffffff;
  background: linear-gradient(135deg, #0b2232, #11495d);
}

.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  width: min(var(--max), 100%);
  margin: 0 auto;
}

.cta-inner h2 {
  margin: 0;
  font-size: clamp(24px, 3.2vw, 36px);
  line-height: 1.32;
}

.cta-inner .section-kicker {
  color: #48d0e8;
}

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

.coverage-section {
  background: var(--subtle);
}

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

.coverage-grid article,
.consultation-list article,
.results-grid article {
  padding: 28px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.coverage-grid .tag {
  margin-bottom: 8px;
}

.service-card {
  padding: 26px;
  box-shadow: 0 8px 36px rgba(15, 23, 42, 0.06);
}

.service-icon {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--cyan);
  background: #edf9fb;
  border-radius: 8px;
}

.service-icon svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 1.8;
}

.strengths-section {
  color: #ffffff;
  background:
    linear-gradient(135deg, rgba(12, 27, 42, 0.96), rgba(15, 54, 70, 0.96)),
    var(--navy);
}

.strengths-layout {
  display: grid;
  grid-template-columns: 0.88fr 1.12fr;
  gap: clamp(32px, 7vw, 84px);
}

.sticky-copy {
  position: sticky;
  top: 110px;
  align-self: start;
}

.sticky-copy p {
  color: rgba(255, 255, 255, 0.76);
}

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

.strength-list article {
  padding: 26px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: var(--radius);
}

.strength-list p {
  color: rgba(255, 255, 255, 0.74);
}

.examples-section {
  background: #ffffff;
}

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

.examples article {
  padding: 28px;
  background:
    linear-gradient(180deg, rgba(16, 167, 197, 0.08), rgba(255, 255, 255, 0) 44%),
    #ffffff;
}

.consultation-section {
  background: var(--subtle);
}

.consultation-layout {
  display: grid;
  grid-template-columns: 0.78fr 1.22fr;
  gap: clamp(30px, 6vw, 72px);
  align-items: start;
}

.consultation-layout > div:first-child p:last-child {
  color: var(--muted);
}

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

.consultation-list article h3 {
  margin-top: 0;
}

.results-section {
  background: #ffffff;
}

.results-grid article {
  display: grid;
  gap: 10px;
}

.results-grid span {
  display: inline-flex;
  width: fit-content;
  padding: 5px 10px;
  color: var(--navy-2);
  background: #eaf6f8;
  border-radius: 8px;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.results-grid p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.inline-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  margin-top: 28px;
  padding: 24px;
  color: #ffffff;
  background: var(--navy);
  border-radius: var(--radius);
}

.inline-cta p {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-weight: 700;
}

.tag {
  display: inline-flex;
  margin: 0;
  padding: 5px 10px;
  color: var(--navy-2);
  background: #eaf6f8;
  border-radius: 8px;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 12px;
  font-weight: 800;
}

.flow-section {
  background: var(--subtle);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  padding: 0;
  margin: 0;
  list-style: none;
}

.flow-list li {
  position: relative;
  min-height: 218px;
  padding: 24px;
}

.flow-list p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.contact-section {
  padding: clamp(72px, 9vw, 120px) clamp(20px, 5vw, 56px);
  color: #ffffff;
  background:
    linear-gradient(120deg, rgba(7, 19, 29, 0.98), rgba(18, 51, 75, 0.95)),
    var(--navy);
}

.contact-inner {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: clamp(32px, 7vw, 86px);
  width: min(var(--max), 100%);
  margin: 0 auto;
  align-items: start;
}

.contact-section p {
  color: rgba(255, 255, 255, 0.75);
}

.contact-assurance {
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 28px 0 0;
  list-style: none;
}

.contact-assurance li {
  position: relative;
  padding-left: 26px;
  color: rgba(255, 255, 255, 0.86);
  font-weight: 700;
}

.contact-assurance li::before {
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 10px;
  height: 10px;
  background: var(--orange);
  border-radius: 50%;
  content: "";
}

.contact-form {
  display: grid;
  gap: 16px;
  padding: clamp(22px, 4vw, 34px);
  color: var(--ink);
  background: #ffffff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.form-trap {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form label {
  display: grid;
  gap: 7px;
  font-weight: 700;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--ink);
  background: #f8fafc;
  border: 1px solid var(--line);
  border-radius: 8px;
  outline: none;
}

.contact-form input:focus,
.contact-form textarea:focus {
  border-color: var(--cyan-on-light);
  box-shadow: 0 0 0 4px rgba(8, 120, 145, 0.14);
}

.contact-form .button {
  width: 100%;
  cursor: pointer;
}

.form-note {
  margin: 0;
  color: var(--muted) !important;
  font-size: 12px;
  line-height: 1.6;
}

.form-status {
  min-height: 1.4em;
  margin: 0;
  color: var(--cyan-on-light) !important;
  font-size: 13px;
  font-weight: 700;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 56px);
  color: #dbe6ee;
  background: #07131d;
}

.site-footer p,
.site-footer small {
  margin: 0;
  color: #9fb0bf;
}

@media (max-width: 980px) {
  .split,
  .strengths-layout,
  .consultation-layout,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .sticky-copy {
    position: static;
  }

  .problem-grid,
  .service-grid,
  .coverage-grid,
  .examples,
  .results-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .flow-list {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 720px) {
  .site-header {
    min-height: 64px;
    padding: 10px 18px;
  }

  .nav-toggle {
    display: block;
  }

  .site-nav {
    position: fixed;
    top: 64px;
    left: 14px;
    right: 14px;
    display: grid;
    gap: 0;
    padding: 10px;
    color: var(--ink);
    background: #ffffff;
    border: 1px solid var(--line);
    border-radius: 8px;
    box-shadow: var(--shadow);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    visibility: hidden;
    transition: opacity 160ms ease, transform 160ms ease;
  }

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

  .site-nav a {
    padding: 13px 12px;
    border-radius: 8px;
  }

  .site-nav a:hover {
    background: var(--subtle);
  }

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

  .hero {
    min-height: 90vh;
    padding: 86px 20px 24px;
  }

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

  .hero-overlay {
    background:
      linear-gradient(180deg, rgba(6, 16, 25, 0.92) 0%, rgba(6, 16, 25, 0.78) 62%, rgba(6, 16, 25, 0.9) 100%);
  }

  .hero-actions {
    display: grid;
  }

  .hero-stats,
  .problem-grid,
  .service-grid,
  .coverage-grid,
  .examples {
    grid-template-columns: 1fr;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

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

  .hero-stats {
    margin-top: 26px;
  }

  .hero-stats div {
    padding: 12px 10px;
  }

  .hero-stats dt {
    font-size: 20px;
  }

  .hero-stats dd {
    font-size: 11px;
    line-height: 1.45;
  }

  .section {
    padding: 66px 20px;
    scroll-margin-top: 76px;
  }

  html {
    scroll-padding-top: 76px;
  }

  #services,
  #strengths,
  #coverage,
  #examples,
  #consultation,
  #results,
  #flow,
  #contact {
    scroll-margin-top: 76px;
  }

  .site-footer {
    display: grid;
    justify-items: start;
  }
}