:root {
  --bg: #050a14;
  --surface: rgba(255, 255, 255, 0.08);
  --surface-strong: rgba(255, 255, 255, 0.14);
  --text: #eef6ff;
  --text-dark: #0c1726;
  --muted: #a9b8cb;
  --muted-dark: #526176;
  --primary: #00a8ff;
  --primary-2: #0066ff;
  --accent: #48f1c7;
  --warning: #ffd166;
  --border: rgba(255, 255, 255, 0.16);
  --border-dark: rgba(9, 22, 38, 0.12);
  --white: #ffffff;
  --radius-xl: 34px;
  --radius-lg: 24px;
  --shadow: 0 30px 90px rgba(0, 0, 0, 0.35);
  --container: 1160px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.8;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -2;
  background:
    radial-gradient(circle at 12% 8%, rgba(0, 168, 255, 0.28), transparent 28%),
    radial-gradient(circle at 86% 10%, rgba(72, 241, 199, 0.16), transparent 26%),
    radial-gradient(circle at 50% 80%, rgba(0, 102, 255, 0.18), transparent 32%),
    linear-gradient(135deg, #050a14 0%, #091729 48%, #06111f 100%);
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  opacity: 0.35;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000, transparent 78%);
}

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

.container {
  width: min(100% - 44px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(5, 10, 20, 0.72);
  backdrop-filter: blur(22px);
  border-bottom: 1px solid var(--border);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-inner {
  min-height: 78px;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.04em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(72, 241, 199, 0.9), rgba(0, 102, 255, 0.96));
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 18px;
  box-shadow: 0 14px 36px rgba(0, 102, 255, 0.36);
  font-size: 15px;
  letter-spacing: 0.1em;
}

.logo-text {
  font-size: 16px;
}

.site-nav {
  display: flex;
  gap: 26px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.site-nav a {
  position: relative;
  padding: 8px 0;
}

.site-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), var(--primary));
  border-radius: 999px;
  transition: width 0.22s ease;
}

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

.site-nav a:hover::after {
  width: 100%;
}

.hero {
  position: relative;
  overflow: hidden;
  min-height: 760px;
  padding: 112px 0 96px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
}

.orb-1 {
  right: -160px;
  top: 70px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(0, 168, 255, 0.24), transparent 68%);
}

.orb-2 {
  left: 46%;
  bottom: 40px;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(72, 241, 199, 0.18), transparent 70%);
}

.grid-line {
  position: absolute;
  right: 8%;
  top: 150px;
  width: 330px;
  height: 330px;
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 42px;
  transform: rotate(14deg);
}

.grid-line::before,
.grid-line::after {
  content: "";
  position: absolute;
  inset: 42px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 32px;
}

.grid-line::after {
  inset: 86px;
  border-radius: 24px;
}

.hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1.14fr) minmax(330px, 0.86fr);
  align-items: center;
  gap: 58px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 28px;
  max-width: 840px;
  font-size: clamp(42px, 6.4vw, 82px);
  line-height: 1.12;
  letter-spacing: 0.02em;
}

h1::after {
  content: "";
  display: block;
  width: min(270px, 46vw);
  height: 5px;
  margin-top: 28px;
  background: linear-gradient(90deg, var(--accent), var(--primary), transparent);
  border-radius: 999px;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 48px);
  line-height: 1.32;
  letter-spacing: 0.02em;
}

h3 {
  margin-bottom: 12px;
  font-size: 21px;
  line-height: 1.45;
}

.lead {
  max-width: 760px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 34px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 54px;
  padding: 0 28px;
  border-radius: 999px;
  font-weight: 800;
  transition: transform 0.22s ease, box-shadow 0.22s ease, border-color 0.22s ease;
}

.button:hover {
  transform: translateY(-3px);
}

.button.primary {
  color: #031121;
  background: linear-gradient(135deg, var(--accent), #8ef9de);
  box-shadow: 0 18px 40px rgba(72, 241, 199, 0.26);
}

.button.secondary {
  color: var(--white);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.22);
}

.button.secondary:hover {
  border-color: rgba(72, 241, 199, 0.72);
  box-shadow: 0 18px 40px rgba(0, 102, 255, 0.18);
}

.status-panel {
  position: relative;
  overflow: hidden;
  padding: 42px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.055));
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
}

.status-panel::before {
  content: "";
  position: absolute;
  right: -70px;
  top: -70px;
  width: 190px;
  height: 190px;
  background: radial-gradient(circle, rgba(72, 241, 199, 0.38), transparent 66%);
}

.status-panel::after {
  content: "";
  position: absolute;
  left: -30px;
  bottom: 30px;
  width: 120%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(72, 241, 199, 0.48), transparent);
  transform: rotate(-18deg);
}

.panel-top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 26px;
}

.panel-label {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.live-dot {
  position: relative;
  width: 12px;
  height: 12px;
  background: var(--accent);
  border-radius: 50%;
  box-shadow: 0 0 24px var(--accent);
}

.live-dot::after {
  content: "";
  position: absolute;
  inset: -8px;
  border: 1px solid rgba(72, 241, 199, 0.45);
  border-radius: 50%;
}

.status-panel h2,
.status-panel p,
.domain-card {
  position: relative;
  z-index: 1;
}

.status-panel h2 {
  font-size: clamp(27px, 3vw, 38px);
}

.status-panel p {
  color: var(--muted);
}

.domain-card {
  margin-top: 30px;
  padding: 22px 24px;
  background: rgba(5, 10, 20, 0.46);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
}

.domain-card span {
  display: block;
  margin-bottom: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.domain-card strong {
  color: var(--white);
  font-size: clamp(26px, 3.1vw, 38px);
  line-height: 1.15;
}

.notice-section {
  position: relative;
  z-index: 3;
  margin-top: -54px;
  padding-bottom: 56px;
}

.notice {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 22px 24px;
  color: var(--text-dark);
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.72);
  border-radius: 24px;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.24);
  backdrop-filter: blur(16px);
}

.notice p {
  margin-bottom: 0;
}

.notice a {
  color: var(--primary-2);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.notice-badge {
  flex: none;
  padding: 4px 12px;
  color: #06223a;
  background: linear-gradient(135deg, var(--warning), #fff2ba);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 900;
}

.section {
  padding: 86px 0;
}

.message-section,
.company-section {
  color: var(--text-dark);
  background: #f4f8fc;
}

.message-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.92fr) minmax(0, 1.08fr);
  gap: 54px;
  align-items: center;
}

.message-section .eyebrow,
.business-section .eyebrow,
.company-section .eyebrow,
.contact-box .eyebrow {
  color: var(--primary-2);
}

.message-grid p:last-child,
.section-heading p,
.company-copy p,
.service-card p,
.company-list dd {
  color: var(--muted-dark);
}

.business-section {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    linear-gradient(180deg, rgba(5, 10, 20, 0.24), rgba(5, 10, 20, 0.82)),
    linear-gradient(135deg, #071527, #0a2038 48%, #06111f 100%);
}

.business-section::before {
  content: "";
  position: absolute;
  right: -180px;
  top: 140px;
  width: 460px;
  height: 460px;
  background: radial-gradient(circle, rgba(0, 168, 255, 0.22), transparent 70%);
}

.section-heading {
  position: relative;
  max-width: 780px;
  margin-bottom: 38px;
}

.service-grid {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.service-card {
  position: relative;
  overflow: hidden;
  min-height: 258px;
  padding: 30px;
  background: rgba(255, 255, 255, 0.075);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  transition: transform 0.24s ease, border-color 0.24s ease, background 0.24s ease;
}

.service-card::before {
  content: "";
  position: absolute;
  right: -32px;
  top: -32px;
  width: 100px;
  height: 100px;
  border: 18px solid rgba(255, 255, 255, 0.065);
  border-radius: 50%;
}

.service-card:hover {
  transform: translateY(-6px);
  border-color: rgba(72, 241, 199, 0.62);
  background: rgba(255, 255, 255, 0.11);
}

.service-card.featured {
  background: linear-gradient(145deg, rgba(0, 102, 255, 0.34), rgba(72, 241, 199, 0.13));
  border-color: rgba(72, 241, 199, 0.42);
}

.service-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  margin-bottom: 34px;
  color: #031121;
  background: linear-gradient(135deg, var(--accent), #c5fff0);
  border-radius: 16px;
  font-weight: 900;
}

.service-card p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.company-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.76fr) minmax(0, 1.24fr);
  gap: 58px;
  align-items: start;
}

.company-list {
  margin: 0;
  padding: 0;
  overflow: hidden;
  background: var(--white);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-xl);
  box-shadow: 0 24px 64px rgba(9, 22, 38, 0.08);
}

.company-list div {
  display: grid;
  grid-template-columns: 170px 1fr;
  gap: 20px;
  padding: 20px 26px;
  border-bottom: 1px solid var(--border-dark);
}

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

.company-list dt {
  color: var(--primary-2);
  font-weight: 900;
}

.company-list dd {
  margin: 0;
}

.contact-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(72, 241, 199, 0.2), transparent 30%),
    linear-gradient(135deg, #06111f, #0b2440 58%, #04101d 100%);
}

.contact-section::after {
  content: "";
  position: absolute;
  right: 8%;
  bottom: -90px;
  width: 280px;
  height: 280px;
  border: 38px solid rgba(255, 255, 255, 0.05);
  border-radius: 50%;
}

.contact-box {
  position: relative;
  z-index: 1;
  padding: 56px;
  text-align: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.contact-box h2 {
  color: var(--white);
}

.contact-box p {
  color: var(--muted);
}

.phone {
  margin: 22px 0 4px;
  font-size: clamp(30px, 4.4vw, 48px);
  font-weight: 900;
  line-height: 1.2;
}

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

.small {
  margin-bottom: 0;
  font-size: 14px;
}

.site-footer {
  padding: 26px 0;
  color: rgba(255, 255, 255, 0.72);
  background: #030811;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

.site-footer a {
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 980px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 16px 0;
  }

  .site-nav {
    width: 100%;
    overflow-x: auto;
    gap: 20px;
    padding-bottom: 4px;
  }

  .hero {
    min-height: auto;
    padding: 82px 0 96px;
  }

  .hero-grid,
  .message-grid,
  .company-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }

  .logo-text {
    font-size: 14px;
  }

  .hero {
    padding-top: 62px;
  }

  .status-panel,
  .contact-box {
    padding: 30px;
    border-radius: 26px;
  }

  .notice {
    flex-direction: column;
  }

  .section {
    padding: 68px 0;
  }

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

  .company-list div {
    grid-template-columns: 1fr;
    gap: 4px;
    padding: 18px 20px;
  }

  .footer-inner {
    align-items: flex-start;
    flex-direction: column;
  }
}