:root {
  --ink: #0d2034;
  --ink-soft: #385067;
  --navy: #0b2945;
  --navy-2: #123f64;
  --cyan: #12a9c7;
  --cyan-dark: #087d99;
  --sky: #eaf8fb;
  --mist: #f4f8fa;
  --line: #d7e3e9;
  --white: #ffffff;
  --success: #11754d;
  --warning: #9a5b00;
  --shadow: 0 22px 60px rgba(8, 38, 63, 0.12);
  --shadow-soft: 0 12px 36px rgba(8, 38, 63, 0.08);
  --radius: 18px;
  --radius-sm: 10px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

body.menu-open {
  overflow: hidden;
}

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

img,
svg {
  display: block;
  max-width: 100%;
}

button,
input,
select,
textarea {
  font: inherit;
}

button,
a {
  -webkit-tap-highlight-color: transparent;
}

:focus-visible {
  outline: 3px solid rgba(18, 169, 199, 0.45);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  z-index: 2000;
  top: 12px;
  left: 12px;
  transform: translateY(-150%);
  padding: 10px 16px;
  color: var(--white);
  background: var(--navy);
  border-radius: 8px;
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(calc(100% - 40px), var(--max));
  margin-inline: auto;
}

.section {
  padding: 104px 0;
}

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

.section--navy {
  color: var(--white);
  background:
    radial-gradient(circle at 82% 20%, rgba(18, 169, 199, 0.22), transparent 28%),
    linear-gradient(135deg, #071b2d, var(--navy));
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  color: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.eyebrow::before {
  width: 30px;
  height: 2px;
  content: "";
  background: currentColor;
}

.section--navy .eyebrow,
.hero .eyebrow {
  color: #5fe0f0;
}

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

h1,
h2,
h3 {
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.025em;
}

h1 {
  font-size: clamp(2.55rem, 5vw, 4.9rem);
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(2rem, 3.6vw, 3.25rem);
}

h3 {
  margin-bottom: 14px;
  font-size: 1.25rem;
}

.lead {
  color: var(--ink-soft);
  font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.section--navy .lead {
  color: #c8d9e5;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 52px;
}

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

.section-heading--center .eyebrow {
  justify-content: center;
}

.site-header {
  position: sticky;
  z-index: 1000;
  top: 0;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(215, 227, 233, 0.86);
  backdrop-filter: blur(16px);
}

.header-inner {
  display: flex;
  min-height: 80px;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  white-space: nowrap;
}

.brand-mark {
  position: relative;
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  overflow: hidden;
  background: linear-gradient(145deg, var(--navy), var(--navy-2));
  border-radius: 11px;
  box-shadow: 0 8px 22px rgba(11, 41, 69, 0.18);
}

.brand-mark::before,
.brand-mark::after {
  position: absolute;
  content: "";
  border: 2px solid var(--cyan);
  border-radius: 50%;
}

.brand-mark::before {
  width: 20px;
  height: 20px;
  transform: translate(-6px, -2px);
}

.brand-mark::after {
  width: 10px;
  height: 10px;
  transform: translate(8px, 8px);
  background: var(--cyan);
}

.brand-name {
  display: block;
  color: var(--navy);
  font-size: 1.05rem;
  font-weight: 900;
  letter-spacing: 0.06em;
}

.brand-sub {
  display: block;
  color: #698091;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-link {
  display: block;
  padding: 12px 14px;
  color: #425a6d;
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 8px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav-link:hover,
.nav-link[aria-current="page"] {
  color: var(--navy);
  background: var(--sky);
}

.nav-cta {
  margin-left: 8px;
  padding-inline: 19px;
  color: var(--white);
  background: var(--navy);
}

.nav-cta:hover,
.nav-cta[aria-current="page"] {
  color: var(--white);
  background: var(--navy-2);
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  padding: 0;
  color: var(--navy);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.menu-icon,
.menu-icon::before,
.menu-icon::after {
  display: block;
  width: 21px;
  height: 2px;
  content: "";
  background: currentColor;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-icon {
  position: relative;
}

.menu-icon::before {
  position: absolute;
  top: -7px;
}

.menu-icon::after {
  position: absolute;
  top: 7px;
}

.menu-button[aria-expanded="true"] .menu-icon {
  background: transparent;
}

.menu-button[aria-expanded="true"] .menu-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.menu-button[aria-expanded="true"] .menu-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    radial-gradient(circle at 82% 34%, rgba(18, 169, 199, 0.32), transparent 30%),
    linear-gradient(135deg, #061727 0%, #0b2945 54%, #0c3f5b 100%);
  background-size: 46px 46px, 46px 46px, auto, auto;
}

.hero::after {
  position: absolute;
  right: -8vw;
  bottom: -25%;
  width: 42vw;
  aspect-ratio: 1;
  content: "";
  border: 1px solid rgba(95, 224, 240, 0.18);
  border-radius: 50%;
  box-shadow: 0 0 0 80px rgba(95, 224, 240, 0.035), 0 0 0 160px rgba(95, 224, 240, 0.025);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  min-height: calc(100vh - 80px);
  align-items: center;
  gap: 72px;
  grid-template-columns: 1.08fr 0.92fr;
  padding-block: 84px;
}

.hero-copy h1 {
  max-width: 780px;
  margin-bottom: 28px;
}

.hero-copy .accent {
  color: #5fe0f0;
}

.hero-copy .lead {
  max-width: 650px;
  margin-bottom: 38px;
  color: #ccdae4;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.button {
  display: inline-flex;
  min-height: 52px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 24px;
  font-size: 0.95rem;
  font-weight: 800;
  border: 1px solid transparent;
  border-radius: 10px;
  transition: transform 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

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

.button--primary {
  color: #052838;
  background: #5fe0f0;
  box-shadow: 0 13px 28px rgba(18, 169, 199, 0.24);
}

.button--primary:hover {
  background: #86edf6;
}

.button--secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.3);
}

.button--dark {
  color: var(--white);
  background: var(--navy);
}

.button--dark:hover {
  background: var(--navy-2);
}

.button-arrow {
  font-size: 1.15rem;
}

.network-visual {
  position: relative;
  min-height: 430px;
}

.network-panel {
  position: absolute;
  inset: 20px 0 0 18px;
  overflow: hidden;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.13), rgba(255, 255, 255, 0.045));
  border: 1px solid rgba(255, 255, 255, 0.19);
  border-radius: 28px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.27);
  backdrop-filter: blur(14px);
}

.network-panel::before {
  position: absolute;
  inset: 0;
  content: "";
  background:
    linear-gradient(rgba(95, 224, 240, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 224, 240, 0.07) 1px, transparent 1px);
  background-size: 34px 34px;
}

.topology-line {
  position: absolute;
  z-index: 1;
  height: 2px;
  background: linear-gradient(90deg, rgba(95, 224, 240, 0.15), #5fe0f0, rgba(95, 224, 240, 0.15));
  transform-origin: left center;
}

.line-1 { top: 50%; left: 50%; width: 47%; transform: rotate(-142deg); }
.line-2 { top: 50%; left: 50%; width: 46%; transform: rotate(-38deg); }
.line-3 { top: 50%; left: 50%; width: 46%; transform: rotate(38deg); }
.line-4 { top: 50%; left: 50%; width: 47%; transform: rotate(142deg); }
.line-5 { display: none; }

.network-node {
  position: absolute;
  z-index: 2;
  display: grid;
  width: 108px;
  min-height: 76px;
  place-items: center;
  padding: 12px;
  text-align: center;
  background: rgba(7, 27, 45, 0.82);
  border: 1px solid rgba(95, 224, 240, 0.28);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.22);
}

.network-node strong {
  display: block;
  color: var(--white);
  font-size: 0.82rem;
}

.network-node span {
  display: block;
  color: #8fdde9;
  font-size: 0.63rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.node-core {
  top: 41%;
  left: 39%;
  width: 126px;
  min-height: 94px;
  background: linear-gradient(145deg, #0a758e, #0b3855);
  border-color: #5fe0f0;
}

.node-1 { top: 13%; left: 8%; }
.node-2 { top: 12%; right: 7%; }
.node-3 { right: 6%; bottom: 11%; }
.node-4 { bottom: 10%; left: 9%; }

.status-pill {
  position: absolute;
  z-index: 3;
  top: 18px;
  right: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 11px;
  color: #c8f7e4;
  font-size: 0.7rem;
  font-weight: 800;
  background: rgba(5, 63, 45, 0.75);
  border: 1px solid rgba(129, 245, 198, 0.35);
  border-radius: 99px;
}

.status-pill::before {
  width: 8px;
  height: 8px;
  content: "";
  background: #5ce5aa;
  border-radius: 50%;
  box-shadow: 0 0 0 5px rgba(92, 229, 170, 0.11);
}

.capability-strip {
  background: #071b2d;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-list {
  display: grid;
  margin: 0;
  padding: 0;
  color: #b9d1df;
  list-style: none;
  grid-template-columns: repeat(5, 1fr);
}

.capability-list li {
  padding: 20px 14px;
  text-align: center;
  font-size: 0.8rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  border-right: 1px solid rgba(255, 255, 255, 0.08);
}

.capability-list li:last-child {
  border-right: 0;
}

.card-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(3, 1fr);
}

.card {
  position: relative;
  overflow: hidden;
  padding: 34px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  content: "";
  background: linear-gradient(90deg, var(--cyan), transparent 75%);
}

.card-number {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  color: var(--cyan-dark);
  font-size: 0.78rem;
  font-weight: 900;
  background: var(--sky);
  border-radius: 12px;
}

.card p {
  margin-bottom: 20px;
  color: var(--ink-soft);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--cyan-dark);
  font-weight: 800;
}

.text-link:hover {
  color: var(--navy);
}

.split {
  display: grid;
  align-items: center;
  gap: 76px;
  grid-template-columns: 1fr 1fr;
}

.feature-list {
  display: grid;
  gap: 16px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

.feature-list li {
  position: relative;
  padding-left: 30px;
  color: var(--ink-soft);
}

.feature-list li::before {
  position: absolute;
  top: 0.55em;
  left: 0;
  width: 15px;
  height: 8px;
  content: "";
  border-bottom: 3px solid var(--cyan);
  border-left: 3px solid var(--cyan);
  transform: rotate(-45deg);
}

.principle-panel {
  padding: 42px;
  background:
    radial-gradient(circle at 80% 20%, rgba(18, 169, 199, 0.14), transparent 28%),
    var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.principle-grid {
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr 1fr;
}

.principle {
  min-height: 132px;
  padding: 22px;
  background: var(--mist);
  border: 1px solid var(--line);
  border-radius: 14px;
}

.principle strong {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
}

.principle span {
  color: var(--ink-soft);
  font-size: 0.88rem;
}

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

.process-item {
  position: relative;
  padding: 28px 22px;
  background: rgba(255, 255, 255, 0.05);
  border-top: 1px solid rgba(255, 255, 255, 0.16);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  border-left: 1px solid rgba(255, 255, 255, 0.16);
}

.process-item:first-child {
  border-radius: 14px 0 0 14px;
}

.process-item:last-child {
  border-right: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 0 14px 14px 0;
}

.process-step {
  display: block;
  margin-bottom: 12px;
  color: #5fe0f0;
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
}

.process-item strong {
  display: block;
  margin-bottom: 8px;
}

.process-item p {
  margin: 0;
  color: #b7cbda;
  font-size: 0.82rem;
}

.cta-panel {
  display: grid;
  align-items: center;
  gap: 32px;
  padding: 54px 58px;
  color: var(--white);
  background:
    radial-gradient(circle at 90% 0%, rgba(95, 224, 240, 0.25), transparent 30%),
    linear-gradient(135deg, var(--navy), #0d4f6d);
  border-radius: 26px;
  box-shadow: var(--shadow);
  grid-template-columns: 1fr auto;
}

.cta-panel h2 {
  margin-bottom: 12px;
  font-size: clamp(1.8rem, 3vw, 2.7rem);
}

.cta-panel p {
  margin-bottom: 0;
  color: #c9dce7;
}

.page-hero {
  position: relative;
  overflow: hidden;
  padding: 112px 0 88px;
  color: var(--white);
  background:
    linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px),
    radial-gradient(circle at 80% 15%, rgba(18, 169, 199, 0.25), transparent 28%),
    linear-gradient(135deg, #071b2d, #0c3e5c);
  background-size: 42px 42px, 42px 42px, auto, auto;
}

.page-hero h1 {
  max-width: 900px;
  margin-bottom: 22px;
  font-size: clamp(2.5rem, 5vw, 4.5rem);
}

.page-hero .lead {
  max-width: 720px;
  margin-bottom: 0;
  color: #cbdce6;
}

.breadcrumb {
  margin-bottom: 24px;
  color: #a9c4d4;
  font-size: 0.78rem;
  font-weight: 700;
}

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

.mission-box {
  padding: 56px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 24px;
  box-shadow: var(--shadow);
}

.mission-box blockquote {
  margin: 0 0 24px;
  color: var(--navy);
  font-size: clamp(1.7rem, 3vw, 2.7rem);
  font-weight: 900;
  line-height: 1.55;
}

.mission-box p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

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

.info-table th,
.info-table td {
  padding: 23px 20px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--line);
}

.info-table th {
  width: 28%;
  color: var(--navy);
  font-size: 0.9rem;
  background: var(--mist);
}

.value-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, 1fr);
}

.value-card {
  padding: 32px;
  border-left: 4px solid var(--cyan);
  background: var(--white);
  box-shadow: var(--shadow-soft);
}

.value-card span {
  display: block;
  margin-bottom: 14px;
  color: var(--cyan-dark);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.value-card p {
  margin-bottom: 0;
  color: var(--ink-soft);
}

.service-detail-grid {
  display: grid;
  gap: 28px;
}

.service-detail {
  display: grid;
  gap: 38px;
  padding: 42px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  grid-template-columns: 0.9fr 1.1fr;
}

.service-label {
  display: inline-block;
  margin-bottom: 14px;
  color: var(--cyan-dark);
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.service-detail p {
  color: var(--ink-soft);
}

.deliverable-list {
  display: grid;
  gap: 10px 24px;
  margin: 0;
  padding: 0;
  color: var(--ink-soft);
  list-style: none;
  grid-template-columns: 1fr 1fr;
}

.deliverable-list li {
  padding: 10px 14px;
  background: var(--mist);
  border-left: 3px solid var(--cyan);
  border-radius: 6px;
}

.scope-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.scope-badge {
  padding: 7px 11px;
  color: var(--navy-2);
  font-size: 0.78rem;
  font-weight: 800;
  background: var(--sky);
  border: 1px solid #c6e8ee;
  border-radius: 99px;
}

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

.faq-item {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.faq-item summary {
  padding: 20px 24px;
  color: var(--navy);
  font-weight: 800;
  cursor: pointer;
}

.faq-item p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--ink-soft);
}

.notice-box {
  padding: 20px 24px;
  color: #6b4d16;
  background: #fff8e9;
  border: 1px solid #efdbad;
  border-left: 4px solid #d89a22;
  border-radius: 10px;
}

.case-grid {
  display: grid;
  gap: 28px;
}

.case-card {
  display: grid;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: var(--shadow-soft);
  grid-template-columns: 0.38fr 0.62fr;
}

.case-side {
  position: relative;
  display: flex;
  min-height: 310px;
  flex-direction: column;
  justify-content: space-between;
  padding: 34px;
  color: var(--white);
  background:
    linear-gradient(rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.04) 1px, transparent 1px),
    linear-gradient(145deg, var(--navy), #0e5570);
  background-size: 28px 28px, 28px 28px, auto;
}

.case-index {
  color: #6ce2ef;
  font-size: 0.75rem;
  font-weight: 900;
  letter-spacing: 0.14em;
}

.case-side h2 {
  margin: 0;
  font-size: clamp(1.55rem, 2.5vw, 2.25rem);
}

.case-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.case-tag {
  padding: 5px 9px;
  color: #d7f7fa;
  font-size: 0.7rem;
  font-weight: 800;
  background: rgba(255,255,255,.09);
  border: 1px solid rgba(255,255,255,.16);
  border-radius: 99px;
}

.case-body {
  display: grid;
  gap: 24px;
  padding: 38px;
}

.case-row {
  display: grid;
  gap: 16px;
  grid-template-columns: 110px 1fr;
}

.case-row strong {
  color: var(--cyan-dark);
  font-size: 0.82rem;
}

.case-row p {
  margin: 0;
  color: var(--ink-soft);
}

.contact-grid {
  display: grid;
  align-items: start;
  gap: 48px;
  grid-template-columns: 0.72fr 1.28fr;
}

.contact-card {
  padding: 34px;
  color: var(--white);
  background: linear-gradient(145deg, var(--navy), #0d4e6a);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-card p {
  color: #c4d8e4;
}

.contact-mail {
  display: inline-block;
  margin: 12px 0 24px;
  color: #67e2ef;
  font-size: 1.08rem;
  font-weight: 900;
  word-break: break-all;
}

.contact-note {
  padding-top: 22px;
  color: #aec5d4;
  font-size: 0.83rem;
  border-top: 1px solid rgba(255,255,255,.16);
}

.contact-form {
  padding: 40px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
}

.form-grid {
  display: grid;
  gap: 22px;
  grid-template-columns: 1fr 1fr;
}

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

.form-label {
  display: block;
  margin-bottom: 8px;
  color: var(--navy);
  font-size: 0.88rem;
  font-weight: 800;
}

.required {
  margin-left: 6px;
  color: #b53e36;
  font-size: 0.7rem;
}

.form-control {
  width: 100%;
  min-height: 50px;
  padding: 12px 14px;
  color: var(--ink);
  background: #fbfdfe;
  border: 1px solid #c9d8e0;
  border-radius: 8px;
  transition: border 0.2s ease, box-shadow 0.2s ease;
}

.form-control:focus {
  border-color: var(--cyan);
  outline: 0;
  box-shadow: 0 0 0 4px rgba(18, 169, 199, 0.12);
}

textarea.form-control {
  min-height: 180px;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  color: var(--ink-soft);
  font-size: 0.87rem;
}

.checkbox-row input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--cyan-dark);
}

.form-help {
  margin-top: 12px;
  color: #667c8b;
  font-size: 0.78rem;
}

.form-status {
  display: none;
  margin-top: 18px;
  padding: 14px 16px;
  border-radius: 8px;
}

.form-status.is-visible {
  display: block;
}

.form-status.is-success {
  color: #0d5b3c;
  background: #e9f8f1;
  border: 1px solid #bde8d5;
}

.form-status.is-error {
  color: #8a2c28;
  background: #fff0ef;
  border: 1px solid #efc8c4;
}

.honeypot {
  position: absolute !important;
  left: -9999px !important;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.site-footer {
  color: #bccdd8;
  background: #061522;
}

.footer-main {
  display: grid;
  gap: 48px;
  padding: 70px 0 52px;
  grid-template-columns: 1.25fr 0.75fr 0.75fr;
}

.footer-brand .brand-name {
  color: var(--white);
}

.footer-brand p {
  max-width: 430px;
  margin: 22px 0 16px;
  color: #9db4c3;
  font-size: 0.9rem;
}

.footer-heading {
  margin-bottom: 18px;
  color: var(--white);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
}

.footer-links {
  margin: 0;
  padding: 0;
  list-style: none;
}

.footer-links li + li {
  margin-top: 9px;
}

.footer-links a {
  color: #a9bfcd;
  font-size: 0.88rem;
}

.footer-links a:hover {
  color: #5fe0f0;
}

.footer-bottom {
  display: flex;
  min-height: 70px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: #7993a4;
  font-size: 0.77rem;
  border-top: 1px solid rgba(255,255,255,.09);
}

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

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; }
  .reveal { opacity: 1; transform: none; }
}

@media (max-width: 1040px) {
  .header-inner { min-height: 72px; }
  .menu-button { display: flex; }
  .site-nav {
    position: fixed;
    z-index: 990;
    inset: 72px 0 auto;
    visibility: hidden;
    max-height: calc(100vh - 72px);
    overflow-y: auto;
    padding: 18px 20px 28px;
    opacity: 0;
    background: rgba(255,255,255,.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 18px 40px rgba(7,27,45,.12);
    transform: translateY(-10px);
    transition: opacity .2s ease, transform .2s ease, visibility .2s;
  }
  .site-nav.is-open { visibility: visible; opacity: 1; transform: translateY(0); }
  .nav-list { display: grid; gap: 4px; }
  .nav-link { padding: 14px 16px; }
  .nav-cta { margin: 8px 0 0; text-align: center; }
  .hero-inner { min-height: auto; grid-template-columns: 1fr; }
  .network-visual { min-height: 420px; }
  .card-grid { grid-template-columns: 1fr 1fr; }
  .process-list { grid-template-columns: 1fr; }
  .process-item { border-right: 1px solid rgba(255,255,255,.16); border-bottom: 0; }
  .process-item:first-child { border-radius: 14px 14px 0 0; }
  .process-item:last-child { border-bottom: 1px solid rgba(255,255,255,.16); border-radius: 0 0 14px 14px; }
  .case-card { grid-template-columns: 1fr; }
  .case-side { min-height: 240px; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 760px) {
  .container { width: min(calc(100% - 28px), var(--max)); }
  .section { padding: 76px 0; }
  .section-heading { margin-bottom: 38px; }
  .hero-inner { gap: 44px; padding-block: 68px; }
  .hero-copy h1 { font-size: clamp(2.4rem, 12vw, 3.7rem); }
  .network-visual { min-height: 340px; }
  .network-panel { inset: 0; }
  .network-node { width: 88px; min-height: 64px; padding: 8px; }
  .network-node strong { font-size: .72rem; }
  .node-core { width: 106px; min-height: 80px; left: 35%; }
  .capability-list { grid-template-columns: repeat(2, 1fr); }
  .capability-list li { border-bottom: 1px solid rgba(255,255,255,.08); }
  .card-grid, .value-grid { grid-template-columns: 1fr; }
  .split { gap: 44px; grid-template-columns: 1fr; }
  .principle-panel, .mission-box { padding: 28px; }
  .principle-grid { grid-template-columns: 1fr; }
  .cta-panel { padding: 38px 28px; text-align: left; grid-template-columns: 1fr; }
  .page-hero { padding: 84px 0 68px; }
  .info-table th, .info-table td { display: block; width: 100%; padding: 15px 16px; }
  .info-table th { border-bottom: 0; }
  .service-detail { padding: 28px; grid-template-columns: 1fr; }
  .deliverable-list { grid-template-columns: 1fr; }
  .case-body { padding: 28px; }
  .case-row { grid-template-columns: 1fr; gap: 6px; }
  .contact-form { padding: 28px 20px; }
  .form-grid { grid-template-columns: 1fr; }
  .footer-main { grid-template-columns: 1fr; }
  .footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding-block: 18px; }
}

@media (max-width: 440px) {
  .brand-sub { display: none; }
  .button-row { align-items: stretch; flex-direction: column; }
  .button { width: 100%; }
  .network-node { width: 78px; }
  .node-core { left: 33%; width: 100px; }
  .node-1, .node-4 { left: 4%; }
  .node-2, .node-3 { right: 4%; }
}