:root {
  --ink: #101214;
  --muted: #65717a;
  --line: rgba(16, 18, 20, 0.12);
  --paper: #f7f8f6;
  --white: #ffffff;
  --aqua: #1cc7d0;
  --blue: #2455ff;
  --green: #a5df35;
  --coral: #ff6f61;
  --radius: 8px;
  --shadow: 0 24px 70px rgba(16, 18, 20, 0.14);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family:
    "Inter", "Helvetica Neue", Arial, "Hiragino Kaku Gothic ProN",
    "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.75;
  letter-spacing: 0;
}

img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

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

.site-header {
  position: fixed;
  z-index: 30;
  top: 0;
  left: 0;
  right: 0;
  height: 76px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(16, 18, 20, 0.08);
  backdrop-filter: blur(18px);
}

.nav {
  width: min(100%, var(--max));
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  width: 150px;
  min-width: 0;
}

.brand-logo {
  width: 150px;
  height: auto;
  object-fit: contain;
}

.nav-links {
  display: flex;
  justify-content: center;
  gap: clamp(16px, 2vw, 30px);
  color: #293037;
  font-size: 13px;
  font-weight: 700;
}

.nav-links a[aria-current="page"] {
  color: var(--blue);
}

.nav-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
  transition:
    transform 220ms ease,
    background 220ms ease,
    color 220ms ease;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

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

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  position: relative;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  border: 0;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  width: 27px;
  height: 2px;
  border-radius: 99px;
  background: currentColor;
  transition:
    transform 240ms ease,
    opacity 180ms ease,
    width 240ms ease;
  transform-origin: center;
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  position: fixed;
  z-index: 29;
  top: 76px;
  left: 16px;
  right: 16px;
  display: grid;
  gap: 2px;
  padding: 10px;
  border: 1px solid rgba(16, 18, 20, 0.1);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 24px 70px rgba(16, 18, 20, 0.16);
  backdrop-filter: blur(18px);
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
  transition:
    opacity 220ms ease,
    transform 220ms ease;
}

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

.mobile-menu a {
  display: flex;
  min-height: 48px;
  align-items: center;
  padding: 0 14px;
  border-radius: var(--radius);
  color: #20272e;
  font-size: 14px;
  font-weight: 800;
}

.mobile-menu a:hover,
.mobile-menu a[aria-current="page"] {
  background: #eef2f2;
}

.page-hero {
  min-height: 74svh;
  padding: 128px 22px 54px;
  display: grid;
  align-items: end;
  position: relative;
  overflow: hidden;
  background: #101214;
  color: var(--white);
}

.page-hero.policy-hero {
  min-height: 48svh;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(16, 18, 20, 0.58), rgba(16, 18, 20, 0.2) 48%, rgba(16, 18, 20, 0.02)),
    linear-gradient(180deg, rgba(16, 18, 20, 0) 58%, rgba(16, 18, 20, 0.42));
  pointer-events: none;
}

.page-hero img {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.96;
  filter: brightness(1.12) saturate(1.06);
  transform: scale(1.04);
  animation: slowZoom 18s ease-in-out infinite alternate;
}

.page-hero .hero-inner {
  text-shadow: 0 2px 20px rgba(16, 18, 20, 0.34);
}

.hero-inner,
.section-inner {
  position: relative;
  z-index: 2;
  width: min(100%, var(--max));
  margin: 0 auto;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

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

h1 {
  max-width: 820px;
  font-size: clamp(46px, 7vw, 96px);
  line-height: 0.98;
}

h2 {
  font-size: clamp(32px, 5vw, 64px);
  line-height: 1.08;
}

h2.single-line {
  font-size: clamp(40px, 4.2vw, 58px);
  white-space: nowrap;
}

h3 {
  font-size: clamp(21px, 2.3vw, 30px);
  line-height: 1.25;
}

.hero-lead {
  max-width: 660px;
  margin-top: 24px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(16px, 1.5vw, 20px);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

section {
  padding: 104px 22px;
}

.section-head {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(28px, 7vw, 92px);
  align-items: end;
  margin-bottom: 42px;
}

.section-head.stacked {
  grid-template-columns: 1fr !important;
  gap: 18px;
  max-width: 900px;
}

.section-head.stacked > div,
.section-head.stacked .lead {
  max-width: 900px;
}

.section-head.stacked.align-right {
  margin-left: auto;
  justify-items: end;
  text-align: right;
}

.section-head.stacked.align-right .lead {
  max-width: 760px;
}

.section-head.stacked.align-left {
  margin-right: auto;
  justify-items: start;
  text-align: left;
}

.section-head.stacked.align-left .lead {
  max-width: 820px;
}

.lead {
  color: #39434b;
  font-size: 16px;
  font-weight: 700;
}

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

.feature-card,
.text-panel {
  min-height: 310px;
  display: grid;
  align-content: space-between;
  gap: 20px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.feature-card small {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.feature-card h3 {
  width: fit-content;
  max-width: 100%;
  white-space: nowrap;
  font-size: clamp(22px, 1.6vw, 25px);
}

.feature-card p,
.text-panel p,
.step p {
  color: #52606a;
  font-size: 14px;
  font-weight: 700;
}

.about-identity {
  display: grid;
  grid-template-columns: 1fr 0.82fr;
  gap: 14px;
  align-items: stretch;
}

.about-identity-panel {
  min-height: 540px;
  display: grid;
  align-content: space-between;
  gap: 30px;
  padding: clamp(30px, 5vw, 58px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.about-identity-panel p {
  color: #34404a;
  font-size: clamp(17px, 1.65vw, 22px);
  font-weight: 800;
}

.about-identity-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
}

.about-identity-stat {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7f8f6;
}

.about-identity-stat strong {
  display: block;
  font-size: clamp(26px, 3vw, 42px);
  line-height: 1;
}

.about-identity-stat span {
  display: block;
  margin-top: 8px;
  color: #52606a;
  font-size: 12px;
  font-weight: 900;
}

.about-identity-image {
  min-height: 540px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #dfe8e4;
}

.about-strengths {
  background: #eef2f2;
}

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

.about-strength-card {
  min-height: 300px;
  display: grid;
  align-content: space-between;
  gap: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.about-strength-card small,
.about-way-card small {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.about-strength-card p,
.about-way-card p {
  color: #52606a;
  font-size: 14px;
  font-weight: 800;
}

.about-way {
  background: var(--ink);
  color: var(--white);
}

.about-way .lead,
.about-way-card p {
  color: rgba(255, 255, 255, 0.72);
}

.about-way-layout {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 14px;
  align-items: stretch;
}

.about-way-image {
  min-height: 620px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #1b2227;
}

.about-way-list {
  display: grid;
  gap: 12px;
}

.about-way-card {
  display: grid;
  gap: 14px;
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: #1b2227;
}

.about-message {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 14px;
  align-items: stretch;
}

.about-message-panel {
  min-height: 400px;
  display: grid;
  align-content: start;
  gap: 20px;
  padding: clamp(30px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.about-message-panel.dark {
  background:
    radial-gradient(circle at 18% 20%, rgba(36, 85, 255, 0.22), transparent 34%),
    var(--ink);
  color: var(--white);
}

.about-message-panel p {
  color: #52606a;
  font-weight: 800;
}

.about-message-panel.dark p {
  color: rgba(255, 255, 255, 0.78);
}

.about-message-panel .button {
  justify-self: start;
}

.about-message-panel.dark .button {
  border-color: var(--white);
  background: var(--white);
  color: var(--ink);
}

.business-overview {
  padding-bottom: 0;
}

.business-focus-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 14px;
  align-items: stretch;
}

.business-focus-card {
  position: relative;
  overflow: hidden;
  min-height: 470px;
  display: grid;
  align-content: center;
  gap: 22px;
  padding: clamp(28px, 5vw, 56px);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--white);
  isolation: isolate;
}

.business-focus-card img {
  position: absolute;
  inset: 0;
  z-index: -2;
  opacity: 0.6;
  filter: saturate(1.1) contrast(1.04);
}

.business-focus-card::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(90deg, rgba(16, 18, 20, 0.92), rgba(16, 18, 20, 0.48)),
    linear-gradient(180deg, rgba(16, 18, 20, 0.12), rgba(16, 18, 20, 0.76));
}

.business-focus-card h2 {
  max-width: 760px;
  font-size: clamp(38px, 5.5vw, 74px);
}

.business-focus-card p {
  max-width: 720px;
  color: rgba(255, 255, 255, 0.82);
  font-size: clamp(15px, 1.35vw, 18px);
  font-weight: 800;
}

.business-focus-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.business-pill {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  font-weight: 900;
}

.business-side-stack {
  display: grid;
  gap: 14px;
}

.business-side-card {
  display: grid;
  align-content: space-between;
  gap: 22px;
  min-height: 228px;
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.business-side-card.is-ses {
  border-color: rgba(36, 85, 255, 0.34);
  background:
    linear-gradient(135deg, rgba(36, 85, 255, 0.12), rgba(165, 223, 53, 0.08)),
    var(--white);
}

.business-side-card small,
.service-detail small,
.business-process-card small {
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.business-side-card h3 {
  font-size: clamp(24px, 2.6vw, 34px);
}

.business-side-card p {
  color: #52606a;
  font-size: 14px;
  font-weight: 800;
}

.service-detail-section {
  padding-top: 86px;
}

.service-detail-list {
  display: grid;
  gap: 12px;
}

.service-detail {
  display: grid;
  grid-template-columns: 112px 1fr minmax(260px, 0.6fr);
  gap: 28px;
  align-items: start;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.service-detail.is-primary {
  background:
    linear-gradient(135deg, rgba(36, 85, 255, 0.12), rgba(16, 18, 20, 0.02)),
    var(--white);
  border-color: rgba(36, 85, 255, 0.28);
}

.service-detail.is-ses {
  background:
    linear-gradient(135deg, rgba(165, 223, 53, 0.16), rgba(255, 255, 255, 0.86)),
    var(--white);
  border-color: rgba(165, 223, 53, 0.46);
}

.service-no {
  color: rgba(16, 18, 20, 0.22);
  font-size: clamp(42px, 5vw, 68px);
  font-weight: 900;
  line-height: 0.9;
}

.service-detail h3 {
  margin-top: 12px;
  font-size: clamp(26px, 3vw, 42px);
}

.service-detail p {
  color: #4d5962;
  font-size: 15px;
  font-weight: 800;
}

.service-detail ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.service-detail li {
  position: relative;
  padding-left: 18px;
  color: #34404a;
  font-size: 14px;
  font-weight: 800;
}

.service-detail li::before {
  content: "";
  position: absolute;
  top: 0.75em;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--blue);
}

.business-process {
  background: var(--ink);
  color: var(--white);
}

.business-process .lead,
.business-process-card p {
  color: rgba(255, 255, 255, 0.72);
}

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

.business-process-card {
  min-height: 250px;
  display: grid;
  grid-template-rows: auto minmax(70px, auto) 1fr;
  align-content: start;
  gap: 18px;
  padding: 26px;
  border: 1px solid rgba(255, 255, 255, 0.11);
  border-radius: var(--radius);
  background: #1b2227;
}

.business-process-card h3 {
  font-size: clamp(19px, 2vw, 26px);
}

.business-cta {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 14px;
  align-items: stretch;
}

.business-cta-panel {
  display: grid;
  align-content: center;
  gap: 20px;
  min-height: 360px;
  padding: clamp(28px, 5vw, 54px);
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.business-cta-panel.dark {
  background:
    radial-gradient(circle at 20% 15%, rgba(36, 85, 255, 0.24), transparent 28%),
    var(--ink);
  color: var(--white);
}

.business-cta-panel.dark p {
  color: rgba(255, 255, 255, 0.78);
}

.business-cta-panel p {
  color: #52606a;
  font-weight: 800;
}

.business-cta-panel .button {
  justify-self: start;
}

.business-cta-panel.dark .button {
  border-color: var(--white);
  background: var(--white);
  color: var(--ink);
}

.ai-implementation {
  padding-bottom: 0;
}

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

.ai-usecase-card {
  min-height: 280px;
  display: grid;
  align-content: space-between;
  gap: 18px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.ai-usecase-card strong {
  font-size: clamp(20px, 2vw, 26px);
  line-height: 1.28;
}

.ai-usecase-card p {
  color: #52606a;
  font-size: 14px;
  font-weight: 800;
}

.ai-architecture {
  display: grid;
  grid-template-columns: 0.92fr 1.08fr;
  gap: 14px;
  align-items: stretch;
}

.ai-architecture-visual {
  min-height: 620px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #dfe8e4;
}

.ai-architecture-list {
  display: grid;
  gap: 12px;
}

.ai-architecture-item {
  display: grid;
  grid-template-columns: 54px 1fr;
  gap: 16px;
  align-items: start;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.ai-architecture-item b {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 12px;
}

.ai-architecture-item p {
  margin-top: 6px;
  color: #52606a;
  font-size: 14px;
  font-weight: 800;
}

.ai-governance {
  background: #eef2f2;
}

.ai-governance-grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 14px;
  align-items: stretch;
}

.ai-governance-panel {
  min-height: 430px;
  display: grid;
  align-content: center;
  gap: 18px;
  padding: clamp(28px, 5vw, 54px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.ai-governance-panel.dark {
  background:
    radial-gradient(circle at 20% 20%, rgba(36, 85, 255, 0.2), transparent 34%),
    var(--ink);
  color: var(--white);
}

.ai-governance-panel.dark p {
  color: rgba(255, 255, 255, 0.76);
}

.ai-governance-panel p {
  color: #52606a;
  font-weight: 800;
}

.ai-governance-points {
  display: grid;
  gap: 12px;
}

.ai-governance-point {
  display: grid;
  gap: 8px;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.ai-governance-point p {
  color: #52606a;
  font-size: 14px;
  font-weight: 800;
}

.media-grid {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 14px;
  margin-top: 18px;
}

.media-tile {
  min-height: 420px;
  overflow: hidden;
  border-radius: var(--radius);
  background: #dfe8e4;
}

.media-tile.small {
  min-height: 300px;
}

.dark-band {
  background: var(--ink);
  color: var(--white);
}

.dark-band .lead,
.dark-band .feature-card p {
  color: rgba(255, 255, 255, 0.72);
}

.dark-band .feature-card {
  background: #1b2227;
  border-color: rgba(255, 255, 255, 0.1);
}

.steps {
  display: grid;
  gap: 12px;
}

.step {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 18px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.step-num {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--white);
  font-size: 13px;
  font-weight: 900;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 18px;
}

.contact-box {
  display: grid;
  gap: 14px;
  padding: 34px;
  border-radius: var(--radius);
  background: var(--white);
  border: 1px solid var(--line);
}

.contact-box a {
  color: var(--blue);
  font-weight: 900;
}

.contact-form-layout {
  margin-top: 34px;
  align-items: start;
}

.contact-guide {
  position: sticky;
  top: 100px;
  min-height: 100%;
  align-content: start;
}

.contact-guide-list {
  display: grid;
  gap: 12px;
  margin-block: 10px;
}

.contact-guide-list div {
  display: grid;
  gap: 5px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f7f9fb;
}

.contact-guide-list strong {
  font-size: 17px;
}

.contact-guide-list span {
  color: #52606a;
  font-size: 13px;
  font-weight: 800;
}

.contact-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
  padding: clamp(26px, 4vw, 44px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  box-shadow: 0 26px 70px rgba(16, 18, 20, 0.08);
}

.form-field {
  display: grid;
  gap: 9px;
}

.form-field.full,
.form-actions.full,
.form-status.full {
  grid-column: 1 / -1;
}

.form-field label {
  color: var(--ink);
  font-size: 13px;
  font-weight: 900;
}

.form-field label span {
  display: inline-flex;
  margin-left: 6px;
  padding: 2px 7px;
  border-radius: 99px;
  background: var(--blue);
  color: var(--white);
  font-size: 10px;
  line-height: 1.4;
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  border: 1px solid #d7dde2;
  border-radius: var(--radius);
  background: #f8fafb;
  color: var(--ink);
  font: inherit;
  font-size: 15px;
  font-weight: 700;
  outline: none;
  transition:
    border-color 180ms ease,
    box-shadow 180ms ease,
    background 180ms ease;
}

.form-field input,
.form-field select {
  height: 54px;
  min-height: 54px;
  padding: 0 16px;
}

.form-field select {
  -webkit-appearance: none;
  appearance: none;
  padding-right: 48px;
  background-image:
    linear-gradient(45deg, transparent 50%, #27313a 50%),
    linear-gradient(135deg, #27313a 50%, transparent 50%);
  background-position:
    calc(100% - 22px) 50%,
    calc(100% - 14px) 50%;
  background-size:
    8px 8px,
    8px 8px;
  background-repeat: no-repeat;
  line-height: 54px;
}

.form-field textarea {
  min-height: 220px;
  resize: vertical;
  padding: 16px;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  border-color: var(--blue);
  background: var(--white);
  box-shadow: 0 0 0 4px rgba(36, 85, 255, 0.12);
}

.form-field select:focus {
  background-image:
    linear-gradient(45deg, transparent 50%, #27313a 50%),
    linear-gradient(135deg, #27313a 50%, transparent 50%);
  background-position:
    calc(100% - 22px) 50%,
    calc(100% - 14px) 50%;
  background-size:
    8px 8px,
    8px 8px;
  background-repeat: no-repeat;
}

.form-field input.err,
.form-field select.err,
.form-field textarea.err,
#captcha.err {
  border-color: #df0814;
  background: #fff7f7;
  box-shadow: 0 0 0 4px rgba(223, 8, 20, 0.1);
}

#captcha {
  width: fit-content;
  max-width: 100%;
  padding: 10px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  background: #f8fafb;
}

.form-field textarea::placeholder {
  color: #8b98a3;
}

.form-status {
  padding: 16px 18px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 900;
}

.form-status.success {
  border: 1px solid rgba(27, 143, 74, 0.28);
  background: #eefaf3;
  color: #15683a;
}

.form-status.error {
  border: 1px solid rgba(223, 8, 20, 0.22);
  background: #fff2f2;
  color: #a20812;
}

.form-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}

.form-actions p {
  max-width: 520px;
  color: #52606a;
  font-size: 12px;
  font-weight: 800;
}

.policy-section {
  background: #f5f8fa;
}

.policy-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 18px;
  align-items: start;
}

.policy-nav {
  position: sticky;
  top: 100px;
  display: grid;
  gap: 10px;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.policy-nav h2 {
  font-size: 24px;
}

.policy-nav a {
  display: grid;
  align-items: center;
  min-height: 46px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f8fafb;
  color: #52606a;
  font-size: 13px;
  font-weight: 900;
  line-height: 1.45;
}

.policy-nav a[aria-current="page"] {
  border-color: rgba(36, 85, 255, 0.28);
  background: rgba(36, 85, 255, 0.08);
  color: var(--blue);
}

.policy-content {
  padding: clamp(28px, 5vw, 56px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.policy-intro {
  margin-bottom: 28px;
  color: #39434b;
  font-size: 16px;
  font-weight: 750;
  line-height: 1.85;
}

.policy-item {
  display: grid;
  gap: 8px;
  padding-block: 22px;
  border-top: 1px solid var(--line);
}

.policy-item:last-child {
  padding-bottom: 0;
}

.policy-item h3 {
  font-size: clamp(20px, 1.75vw, 26px);
  line-height: 1.35;
}

.policy-item p,
.policy-item li,
.policy-table td,
.policy-table th {
  color: #52606a;
  font-size: 14px;
  font-weight: 750;
  line-height: 1.75;
}

.policy-item ul {
  display: grid;
  gap: 8px;
  padding-left: 1.2em;
}

.policy-table {
  width: 100%;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #f8fafb;
}

.policy-table th,
.policy-table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.policy-table tr:last-child th,
.policy-table tr:last-child td {
  border-bottom: 0;
}

.policy-table th {
  width: 28%;
  background: #eef3f6;
  color: var(--ink);
  font-weight: 900;
}

.company-layout {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 18px;
  align-items: stretch;
}

.company-card {
  display: grid;
  gap: 20px;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
  align-content: start;
  min-height: 100%;
}

.company-card .button {
  justify-self: start;
  margin-top: auto;
}

.company-profile-section {
  padding-top: 56px;
}

.company-profile-section .reveal {
  transition-delay: 0ms !important;
}

.company-profile-section .company-card,
.company-profile-section .company-table {
  transform: none;
}

.company-table {
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.company-row {
  display: grid;
  grid-template-columns: 190px 1fr;
  border-bottom: 1px solid var(--line);
}

.company-row:last-child {
  border-bottom: 0;
}

.company-row dt,
.company-row dd {
  margin: 0;
  padding: 18px 22px;
}

.company-row dt {
  background: #eef2f2;
  color: #27313a;
  font-size: 13px;
  font-weight: 900;
}

.company-row dd {
  color: #364149;
  font-size: 14px;
  font-weight: 700;
}

.company-row dd a {
  color: var(--blue);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.company-row ul {
  margin: 0;
  padding-left: 1.2em;
}

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

.map-frame {
  overflow: hidden;
  min-height: 450px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--white);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 450px;
  border: 0;
}

.site-footer {
  background: #080a0d;
  color: var(--white);
}

.footer-bar {
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  background: #050607;
  padding: 16px 22px;
}

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

.footer-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  color: rgba(255, 255, 255, 0.74);
  font-size: 13px;
  font-weight: 800;
}

.to-top {
  color: var(--white);
  text-transform: uppercase;
}

.to-top::after {
  content: "↑";
  margin-left: 8px;
  color: var(--red);
}

.footer-content {
  padding: 62px 22px 70px;
  background:
    radial-gradient(circle at 50% 15%, rgba(223, 8, 20, 0.18), transparent 34%),
    #121519;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr 1fr;
  align-items: center;
  gap: 44px;
}

.footer-policy h3 {
  margin: 0 0 18px;
  color: var(--white);
  font-size: 20px;
  line-height: 1;
  text-transform: uppercase;
}

.footer-policy a {
  display: flex;
  align-items: center;
  width: min(100%, 260px);
  min-height: 34px;
  padding: 7px 0;
  color: rgba(255, 255, 255, 0.72);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.45;
}

.footer-policy a:hover {
  color: var(--white);
}

.footer-logo {
  display: grid;
  justify-items: center;
  gap: 14px;
  text-align: center;
}

.footer-logo img {
  width: min(240px, 64vw);
  height: auto;
  object-fit: contain;
}

.footer-logo strong {
  color: var(--white);
  font-size: 16px;
  letter-spacing: 0.08em;
}

.footer-note {
  justify-self: end;
  max-width: 260px;
  color: rgba(255, 255, 255, 0.58);
  font-size: 13px;
  font-weight: 800;
  line-height: 1.9;
  text-align: right;
}

.reveal {
  opacity: 0;
  transform: translateY(34px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes slowZoom {
  to {
    transform: scale(1.12);
  }
}

@media (max-width: 980px) {
  .site-header {
    height: 68px;
  }

  .nav {
    grid-template-columns: 1fr auto;
  }

  .nav-links {
    display: none;
  }

  .nav-cta {
    display: none;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .section-head,
  .media-grid,
  .contact-layout,
  .contact-form,
  .company-layout,
  .about-identity,
  .about-way-layout,
  .about-message,
  .business-focus-grid,
  .service-detail,
  .business-cta,
  .ai-architecture,
  .ai-governance-grid,
  .policy-layout {
    grid-template-columns: 1fr;
  }

  .section-head.stacked,
  .section-head.stacked.align-right,
  .section-head.stacked.align-left {
    justify-items: start;
    margin-left: 0;
    margin-right: 0;
    text-align: left;
  }

  .contact-guide {
    position: static;
  }

  .policy-nav {
    position: static;
  }

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

  .about-strength-grid,
  .business-process-grid,
  .ai-usecase-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  .site-header,
  .page-hero,
  section {
    padding-inline: 16px;
  }

  .brand,
  .brand-logo {
    width: 128px;
  }

  .nav-cta {
    min-height: 40px;
    padding-inline: 13px;
    font-size: 12px;
  }

  .mobile-menu {
    top: 68px;
  }

  .page-hero {
    min-height: 68svh;
    padding-top: 104px;
  }

  h1 {
    font-size: clamp(42px, 14vw, 64px);
  }

  h2.single-line {
    white-space: normal;
  }

  section {
    padding-block: 76px;
  }

  .company-profile-section {
    padding-top: 42px;
  }

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

  .feature-card,
  .text-panel,
  .about-identity-panel,
  .about-identity-image,
  .about-strength-card,
  .about-way-image,
  .about-message-panel,
  .business-focus-card,
  .business-side-card,
  .service-detail,
  .business-process-card,
  .business-cta-panel,
  .ai-usecase-card,
  .ai-governance-panel {
    min-height: auto;
  }

  .feature-card h3 {
    white-space: normal;
  }

  .business-focus-card,
  .service-detail,
  .business-side-card,
  .about-identity-panel,
  .about-strength-card,
  .about-way-card,
  .about-message-panel,
  .contact-box,
  .contact-form,
  .policy-nav,
  .policy-content,
  .business-process-card,
  .business-cta-panel,
  .ai-usecase-card,
  .ai-architecture-item,
  .ai-governance-panel,
  .ai-governance-point {
    padding: 24px;
  }

  .form-actions {
    display: grid;
    justify-items: start;
  }

  .policy-table,
  .policy-table tbody,
  .policy-table tr,
  .policy-table th,
  .policy-table td {
    display: block;
    width: 100%;
  }

  .policy-table th {
    border-bottom: 0;
  }

  .business-focus-meta {
    gap: 8px;
  }

  .about-identity-stats,
  .about-strength-grid,
  .business-process-grid,
  .ai-usecase-grid,
  .ai-governance-grid {
    grid-template-columns: 1fr;
  }

  .about-identity-image,
  .about-way-image,
  .ai-architecture-visual {
    min-height: 250px;
  }

  .ai-architecture-item {
    grid-template-columns: 1fr;
  }

  .media-tile,
  .media-tile.small {
    min-height: 260px;
  }

  .company-row {
    grid-template-columns: 1fr;
  }

  .company-row dt,
  .company-row dd {
    padding: 14px 16px;
  }

  .map-frame,
  .map-frame iframe {
    min-height: 340px;
    height: 340px;
  }

  .footer-bar-inner {
    display: grid;
    justify-content: start;
    gap: 10px;
  }

  .to-top {
    width: fit-content;
    white-space: nowrap;
  }

  .step {
    grid-template-columns: 54px 1fr;
    gap: 14px;
  }

  .step-num {
    width: 44px;
    height: 44px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    justify-items: start;
    gap: 36px;
  }

  .footer-logo {
    justify-self: center;
  }

  .footer-note {
    justify-self: start;
    text-align: left;
  }
}