:root {
  --color-navy: #0b2a5b;
  --color-navy-deep: #061a38;
  --color-blue: #1d6fd6;
  --color-cyan: #22b8cf;
  --color-teal: #12a594;
  --color-lavender: #eef2ff;
  --color-sky: #eef8ff;
  --color-amber-soft: #fff7e6;
  --color-blue-soft: #eaf3ff;
  --color-teal-soft: #e9fbf7;
  --color-cyan-soft: #e7faff;
  --color-text: #172033;
  --color-muted: #64748b;
  --color-border: #dbe5f2;
  --color-white: #ffffff;
  --color-bg: #f7fbff;
  --shadow-soft: 0 18px 48px rgba(11, 42, 91, 0.09);
  --shadow-card: 0 10px 30px rgba(11, 42, 91, 0.075);
  --radius-lg: 26px;
  --radius-md: 18px;
  --radius-sm: 12px;
  --container: 1160px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--color-text);
  background: var(--color-white);
  font-family: "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 15.5px;
  line-height: 1.76;
  letter-spacing: 0.01em;
}

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

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

p {
  margin: 0;
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-navy-deep);
  line-height: 1.28;
  letter-spacing: -0.025em;
}

h1 {
  max-width: 780px;
  font-size: clamp(2rem, 5.2vw, 4.05rem);
  font-weight: 900;
}

h2 {
  font-size: clamp(1.55rem, 3.2vw, 2.45rem);
  font-weight: 850;
}

h3 {
  font-size: 1rem;
  font-weight: 850;
  line-height: 1.45;
}

ul {
  margin: 0;
  padding: 0;
}

li {
  list-style: none;
}

svg {
  display: block;
}

.svg-sprite {
  position: absolute;
  width: 0;
  height: 0;
  overflow: hidden;
}

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

.section {
  padding: 88px 0;
}

.skip-link {
  position: fixed;
  top: 12px;
  left: 12px;
  z-index: 999;
  padding: 10px 14px;
  color: var(--color-white);
  background: var(--color-navy);
  border-radius: var(--radius-sm);
  transform: translateY(-150%);
  transition: transform 0.2s ease;
}

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

:focus-visible {
  outline: 3px solid rgba(29, 111, 214, 0.38);
  outline-offset: 4px;
  border-radius: 8px;
}

/* Header */

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(219, 229, 242, 0.76);
  backdrop-filter: blur(16px);
  transition: box-shadow 0.2s ease, background 0.2s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 12px 30px rgba(11, 42, 91, 0.08);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 74px;
  gap: 24px;
}

.logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--color-navy);
  font-weight: 900;
  letter-spacing: -0.03em;
}

.logo-mark {
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--color-white);
  font-size: 0.98rem;
  background:
    linear-gradient(135deg, rgba(34, 184, 207, 0.24), transparent 48%),
    linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: 12px;
}

.logo-text {
  font-size: 1.05rem;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 25px;
  margin-left: auto;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 800;
}

.site-nav a {
  position: relative;
  padding: 25px 0;
}

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

.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: 20px;
  left: 0;
  height: 2px;
  content: "";
  background: linear-gradient(90deg, var(--color-blue), var(--color-cyan));
  transform: scaleX(0);
  transform-origin: center;
  transition: transform 0.18s ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
  transform: scaleX(1);
}

.header-actions {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.header-cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 0 18px;
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 850;
  background:
    linear-gradient(135deg, rgba(34, 184, 207, 0.28), transparent 40%),
    linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: 999px;
  box-shadow: 0 10px 24px rgba(11, 42, 91, 0.16);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}

.header-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 16px 30px rgba(11, 42, 91, 0.2);
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  margin: 4px auto;
  background: var(--color-navy);
  border-radius: 999px;
  transition: transform 0.2s ease, opacity 0.2s ease;
}

.menu-toggle.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}

.menu-toggle.is-open span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}

/* Hero */

.hero {
  position: relative;
  overflow: hidden;
  padding: 82px 0 104px;
  background:
    radial-gradient(circle at 84% 12%, rgba(34, 184, 207, 0.18), transparent 30%),
    radial-gradient(circle at 8% 80%, rgba(18, 165, 148, 0.1), transparent 28%),
    linear-gradient(180deg, #f7fbff 0%, #ffffff 100%);
}

.hero::before {
  position: absolute;
  inset: auto auto 80px -140px;
  width: 340px;
  height: 340px;
  content: "";
  background: rgba(29, 111, 214, 0.08);
  border-radius: 999px;
  filter: blur(8px);
}

.hero-grid,
.split-grid {
  display: grid;
  grid-template-columns: 1.04fr 0.96fr;
  align-items: center;
  gap: 54px;
}

.reverse .section-copy {
  order: 2;
}

.reverse .image-card {
  order: 1;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin-bottom: 16px;
  color: var(--color-blue);
  font-size: 0.72rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-subcopy {
  max-width: 740px;
  margin-top: 22px;
  color: var(--color-navy);
  font-size: clamp(1rem, 1.7vw, 1.22rem);
  font-weight: 800;
  line-height: 1.72;
}

.hero-lead {
  max-width: 740px;
  margin-top: 20px;
  color: #334155;
  font-size: clamp(0.96rem, 1.6vw, 1.05rem);
  font-weight: 500;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 23px;
  font-size: 0.92rem;
  font-weight: 850;
  border-radius: 999px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

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

.button-primary {
  color: var(--color-white);
  background:
    linear-gradient(135deg, rgba(34, 184, 207, 0.28), transparent 42%),
    linear-gradient(135deg, var(--color-navy), var(--color-blue));
  box-shadow: 0 16px 34px rgba(29, 111, 214, 0.22);
}

.button-secondary {
  color: var(--color-navy);
  background: var(--color-white);
  border: 1px solid var(--color-border);
}

.hero-visual,
.image-card,
.domain-image {
  position: relative;
  overflow: hidden;
  padding: 12px;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.82), rgba(247, 251, 255, 0.92));
  border: 1px solid rgba(219, 229, 242, 0.9);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.hero-visual img,
.image-card img,
.domain-image img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  background:
    linear-gradient(135deg, var(--color-blue-soft), var(--color-cyan-soft));
  border-radius: 22px;
}

.hero-data-card {
  position: absolute;
  right: 28px;
  bottom: 28px;
  max-width: 220px;
  padding: 15px 16px;
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: 18px;
  box-shadow: 0 18px 38px rgba(11, 42, 91, 0.14);
  backdrop-filter: blur(14px);
}

.hero-data-card span {
  display: block;
  color: var(--color-blue);
  font-size: 0.7rem;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-data-card strong {
  display: block;
  margin-top: 4px;
  color: var(--color-navy);
  font-size: 0.95rem;
  line-height: 1.35;
}

/* Sections */

.definition-section,
.onchain-section,
.important-notice-section {
  background: var(--color-white);
}

.why-now-section,
.domains-section,
.editorial-trust-section,
.final-cta {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.social-casino-section {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.1), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.section-copy p:not(.section-label),
.section-heading p:not(.section-label) {
  margin-top: 18px;
  color: #334155;
  font-size: 0.96rem;
  font-weight: 500;
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading .section-label {
  margin-inline: auto;
}

.concept-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.concept-list span {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  color: var(--color-navy);
  font-size: 0.82rem;
  font-weight: 850;
  background: var(--color-blue-soft);
  border: 1px solid rgba(29, 111, 214, 0.14);
  border-radius: 999px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 21px;
}

.feature-card,
.domain-card {
  position: relative;
  padding: 24px;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.9);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.feature-card::before,
.domain-card::before {
  position: absolute;
  top: 0;
  right: 24px;
  left: 24px;
  height: 3px;
  content: "";
  background: linear-gradient(90deg, var(--accent-color, var(--color-blue)), rgba(29, 111, 214, 0));
  border-radius: 999px;
}

.card-heading {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.card-icon {
  display: inline-grid;
  flex: 0 0 auto;
  place-items: center;
  width: 36px;
  height: 36px;
  color: var(--accent-color, var(--color-blue));
  background: var(--accent-soft, var(--color-blue-soft));
  border: 1px solid rgba(29, 111, 214, 0.14);
  border-radius: 12px;
}

.card-icon svg,
.mini-card svg {
  width: 18px;
  height: 18px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.9;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.card-heading h3 {
  padding-top: 3px;
}

.feature-card p,
.domain-card p {
  margin-top: 13px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.85;
}

.accent-blue {
  --accent-color: var(--color-blue);
  --accent-soft: var(--color-blue-soft);
}

.accent-cyan {
  --accent-color: var(--color-cyan);
  --accent-soft: var(--color-cyan-soft);
}

.accent-teal {
  --accent-color: var(--color-teal);
  --accent-soft: var(--color-teal-soft);
}

.accent-lavender {
  --accent-color: #6366f1;
  --accent-soft: var(--color-lavender);
}

.accent-amber {
  --accent-color: #d18b00;
  --accent-soft: var(--color-amber-soft);
}

.accent-soft {
  --accent-color: #5b7cfa;
  --accent-soft: #eef2ff;
}

.domain-layout {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: start;
  gap: 30px;
}

.domain-intro {
  position: sticky;
  top: 100px;
}

.domain-intro p:not(.section-label) {
  margin-top: 18px;
  color: #334155;
  font-size: 0.96rem;
  font-weight: 500;
}

.domain-image {
  margin-top: 28px;
}

.domain-main-cta {
  margin-top: 24px;
}

.domain-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.anchor-card {
  display: block;
  color: inherit;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.anchor-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 111, 214, 0.28);
  box-shadow: 0 16px 36px rgba(11, 42, 91, 0.11);
}

.anchor-card p::after {
  display: inline-block;
  margin-left: 6px;
  color: var(--accent-color, var(--color-blue));
  font-weight: 900;
  content: "→";
}

.policy-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 26px;
}

.policy-list li {
  padding: 13px 15px;
  color: var(--color-navy);
  font-size: 0.92rem;
  font-weight: 850;
  background: var(--color-blue-soft);
  border: 1px solid rgba(29, 111, 214, 0.12);
  border-radius: var(--radius-sm);
}

.notice-box {
  padding: clamp(28px, 5vw, 44px);
  background:
    radial-gradient(circle at top right, rgba(34, 184, 207, 0.1), transparent 34%),
    linear-gradient(135deg, #f4f8ff, #ffffff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.notice-box p:not(.section-label) {
  margin-top: 16px;
  color: #334155;
  font-size: 0.95rem;
  font-weight: 500;
}

.subtle-notice {
  margin-top: 28px;
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.12), transparent 34%),
    linear-gradient(135deg, var(--color-teal-soft), #ffffff);
}

.mini-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-top: 28px;
}

.mini-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 15px;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 18px rgba(11, 42, 91, 0.055);
}

.mini-card span {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: var(--color-blue);
  background: var(--color-blue-soft);
  border-radius: 12px;
}

.mini-card h3 {
  font-size: 0.92rem;
}

/* CTA */

.cta-box {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: clamp(30px, 5vw, 50px);
  color: var(--color-white);
  background:
    radial-gradient(circle at top right, rgba(34, 184, 207, 0.28), transparent 32%),
    radial-gradient(circle at bottom left, rgba(18, 165, 148, 0.2), transparent 34%),
    linear-gradient(135deg, var(--color-navy-deep), var(--color-navy));
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-soft);
}

.cta-box h2,
.cta-box .section-label,
.cta-box p {
  color: var(--color-white);
}

.cta-box p {
  max-width: 720px;
  margin-top: 14px;
  font-size: 0.96rem;
  font-weight: 500;
  opacity: 0.86;
}

/* Footer */

.site-footer {
  padding: 56px 0 26px;
  color: #cbd5e1;
  background:
    radial-gradient(circle at top right, rgba(34, 184, 207, 0.14), transparent 30%),
    var(--color-navy-deep);
}

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

.footer-logo {
  color: var(--color-white);
  font-size: 1.05rem;
}

.site-footer p {
  max-width: 420px;
  margin-top: 12px;
  color: #b6c4d8;
  font-size: 0.92rem;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: #dbeafe;
  font-size: 0.88rem;
  font-weight: 800;
}

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

.footer-bottom {
  margin-top: 38px;
  padding-top: 22px;
  border-top: 1px solid rgba(219, 229, 242, 0.18);
}

.footer-bottom small {
  color: #94a3b8;
  font-size: 0.82rem;
}

/* Future reusable legal classes */

.legal-layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  align-items: start;
  gap: 30px;
}

.legal-toc,
.legal-section {
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.legal-toc {
  position: sticky;
  top: 100px;
  padding: 22px;
}

.legal-section {
  padding: clamp(26px, 4vw, 42px);
  scroll-margin-top: 96px;
}

.legal-list {
  display: grid;
  gap: 10px;
  margin-top: 18px;
}

/* Responsive */

@media (max-width: 980px) {
  .header-inner {
    gap: 14px;
  }

  .site-nav {
    position: fixed;
    top: 76px;
    right: 20px;
    left: 20px;
    display: grid;
    gap: 0;
    margin-left: 0;
    padding: 12px;
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 18px;
    box-shadow: var(--shadow-soft);
    opacity: 0;
    pointer-events: none;
    transform: translateY(-10px);
    transition: opacity 0.2s ease, transform 0.2s ease;
  }

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

  .site-nav a {
    padding: 14px 16px;
    border-radius: 12px;
  }

  .site-nav a:hover,
  .site-nav a[aria-current="page"] {
    background: var(--color-blue-soft);
  }

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

  .header-cta {
    display: inline-flex;
    min-height: 38px;
    padding: 0 14px;
    font-size: 0.82rem;
  }

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

  .hero-grid,
  .split-grid,
  .domain-layout,
  .footer-grid,
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .reverse .section-copy,
  .reverse .image-card {
    order: initial;
  }

  .domain-intro {
    position: relative;
    top: auto;
  }

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

  .cta-box {
    align-items: flex-start;
    flex-direction: column;
  }

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

@media (max-width: 720px) {
  body {
    font-size: 15px;
  }

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

  .section {
    padding: 68px 0;
  }

  .hero {
    padding: 62px 0 76px;
  }

  h1 {
    font-size: clamp(1.9rem, 9vw, 2.65rem);
  }

  h2 {
    font-size: clamp(1.42rem, 7vw, 2rem);
  }

  .header-inner {
    min-height: 68px;
    gap: 10px;
  }

  .logo-mark {
    width: 34px;
    height: 34px;
  }

  .logo-text {
    font-size: 0.96rem;
  }

  .header-actions {
    gap: 8px;
  }

  .header-cta {
    min-height: 36px;
    padding: 0 12px;
    font-size: 0.78rem;
  }

  .menu-toggle {
    width: 40px;
    height: 40px;
  }

  .site-nav {
    top: 70px;
    right: 14px;
    left: 14px;
  }

  .hero-actions,
  .section-actions {
    flex-direction: column;
  }

  .button {
    width: 100%;
  }

  .hero-data-card {
    right: 22px;
    bottom: 22px;
    max-width: 190px;
  }

  .domain-grid,
  .policy-list,
  .mini-card-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .domain-card {
    padding: 22px;
  }

  .card-icon {
    width: 34px;
    height: 34px;
  }

  .card-icon svg {
    width: 17px;
    height: 17px;
  }

  .footer-nav {
    display: grid;
    gap: 10px;
  }
}

@media (max-width: 380px) {
  .logo-text {
    font-size: 0.88rem;
  }

  .header-cta {
    padding: 0 10px;
    font-size: 0.74rem;
  }

  .menu-toggle {
    width: 38px;
    height: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition: none !important;
    animation: none !important;
  }
}

.page-hero {
  padding: 82px 0 96px;
}

.domain-overview-section,
.market-map-section,
.domain-detail-section.alt,
.editorial-connection-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.domain-detail-section,
.social-domain-section {
  background: var(--color-white);
}

.overview-anchor-grid {
  margin-top: 34px;
}

.market-elements {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.market-elements span {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  color: var(--color-navy);
  font-size: 0.88rem;
  font-weight: 850;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 18px rgba(11, 42, 91, 0.045);
}

.domain-detail-section {
  scroll-margin-top: 96px;
}

.topic-title {
  margin-top: 28px;
  color: var(--color-navy);
  font-size: 0.98rem;
}

.topic-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.topic-list li {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 13px;
  color: var(--color-navy);
  font-size: 0.82rem;
  font-weight: 800;
  background: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: 999px;
}

.domain-detail-section.alt .topic-list li,
.social-domain-section .topic-list li {
  background: #fbfdff;
}

.quiet-note {
  margin-top: 22px;
  padding: 16px 18px;
  color: var(--color-navy);
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.75;
  background:
    radial-gradient(circle at top right, rgba(34, 184, 207, 0.1), transparent 34%),
    linear-gradient(135deg, #f4f8ff, #ffffff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.social-domain-section {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.1), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f7fbff 100%);
}

.social-domain-section .quiet-note {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.12), transparent 34%),
    linear-gradient(135deg, var(--color-teal-soft), #ffffff);
}

@media (max-width: 980px) {
  .market-elements {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .page-hero {
    padding: 62px 0 74px;
  }

  .overview-anchor-grid {
    margin-top: 28px;
  }

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

  .topic-list li {
    justify-content: flex-start;
    width: 100%;
    min-height: 38px;
  }
}

.editorial-principles-section,
.accuracy-section,
.casino-notice-section,
.prohibited-content-section,
.important-disclaimer-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.safety-regulation-section,
.advertising-policy-section,
.correction-policy-section {
  background: var(--color-white);
}

.principle-card-wrap {
  margin-top: 34px;
}

.compact-feature-grid {
  max-width: 980px;
  margin-inline: auto;
}

.policy-point-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.policy-point-grid span {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  color: var(--color-navy);
  font-size: 0.88rem;
  font-weight: 850;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 18px rgba(11, 42, 91, 0.045);
}

.policy-notice-box {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.12), transparent 34%),
    linear-gradient(135deg, var(--color-teal-soft), #ffffff);
}

.prohibited-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}

.prohibited-item {
  position: relative;
  padding: 16px 18px 16px 46px;
  color: var(--color-navy);
  font-size: 0.92rem;
  font-weight: 750;
  line-height: 1.75;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-card);
}

.prohibited-item::before {
  position: absolute;
  top: 18px;
  left: 18px;
  display: grid;
  place-items: center;
  width: 18px;
  height: 18px;
  color: var(--color-white);
  font-size: 0.72rem;
  font-weight: 900;
  content: "!";
  background: linear-gradient(135deg, var(--color-blue), var(--color-cyan));
  border-radius: 999px;
}

@media (max-width: 980px) {
  .policy-point-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .principle-card-wrap {
    margin-top: 28px;
  }

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

  .policy-point-grid span {
    min-height: 42px;
  }
}

.about-intro-section,
.about-definition-section,
.about-editorial-section {
  background: var(--color-white);
}

.about-mission-section,
.about-cover-section,
.about-audience-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.about-summary-box {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.12), transparent 34%),
    linear-gradient(135deg, var(--color-teal-soft), #ffffff);
}

.value-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.value-strip span {
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 15px;
  color: var(--color-navy);
  font-size: 0.84rem;
  font-weight: 850;
  background: var(--color-blue-soft);
  border: 1px solid rgba(29, 111, 214, 0.14);
  border-radius: 999px;
}

.about-domain-grid {
  margin-top: 34px;
}

.domain-cta {
  display: flex;
  justify-content: center;
  margin-top: 34px;
}

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

@media (max-width: 980px) {
  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .about-domain-grid {
    margin-top: 28px;
  }

  .domain-cta .button {
    width: 100%;
  }

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

.header-cta[aria-current="page"] {
  box-shadow: 0 0 0 4px rgba(29, 111, 214, 0.12), 0 10px 24px rgba(11, 42, 91, 0.16);
}

.contact-purpose-section,
.contact-flow-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.contact-main-section,
.contact-policy-note-section {
  background: var(--color-white);
}

.contact-main-section {
  scroll-margin-top: 96px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  align-items: start;
  gap: 28px;
}

.contact-form-card,
.contact-side-card {
  padding: clamp(26px, 4vw, 42px);
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.contact-side-card {
  position: sticky;
  top: 100px;
}

.contact-form-card h2,
.contact-side-card h2 {
  font-size: clamp(1.42rem, 3vw, 2rem);
}

.form-lead {
  margin-top: 14px;
  color: #334155;
  font-size: 0.96rem;
  font-weight: 500;
}

.contact-form {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.form-field {
  display: grid;
  gap: 8px;
}

.form-field label {
  color: var(--color-navy);
  font-size: 0.88rem;
  font-weight: 850;
}

.form-field label span,
.form-field label em {
  display: inline-flex;
  align-items: center;
  min-height: 20px;
  margin-left: 6px;
  padding: 0 7px;
  font-size: 0.72rem;
  font-style: normal;
  font-weight: 850;
  border-radius: 999px;
}

.form-field label span {
  color: var(--color-white);
  background: var(--color-blue);
}

.form-field label em {
  color: var(--color-muted);
  background: var(--color-blue-soft);
}

.form-field input,
.form-field select,
.form-field textarea {
  width: 100%;
  padding: 13px 14px;
  color: var(--color-text);
  font: inherit;
  font-size: 0.95rem;
  background: #fbfdff;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.form-field textarea {
  min-height: 170px;
  resize: vertical;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  background: var(--color-white);
  border-color: rgba(29, 111, 214, 0.55);
  outline: none;
  box-shadow: 0 0 0 4px rgba(29, 111, 214, 0.12);
}

.form-check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.form-check input {
  width: 18px;
  height: 18px;
  margin-top: 4px;
  accent-color: var(--color-blue);
}

.form-check label {
  color: #334155;
  font-size: 0.9rem;
  font-weight: 600;
  line-height: 1.75;
}

.form-check a {
  color: var(--color-blue);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.form-note {
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.7;
}

.form-note-list {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  background: linear-gradient(135deg, #f4f8ff, #ffffff);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.form-note-list li {
  position: relative;
  padding-left: 16px;
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.7;
}

.form-note-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 6px;
  height: 6px;
  content: "";
  background: var(--color-cyan);
  border-radius: 999px;
}

.form-submit {
  width: fit-content;
  border: 0;
  cursor: pointer;
}

.side-note-list {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.side-note-item {
  display: flex;
  gap: 13px;
  padding-bottom: 18px;
  border-bottom: 1px solid rgba(219, 229, 242, 0.9);
}

.side-note-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.side-note-item h3 {
  font-size: 0.98rem;
}

.side-note-item p {
  margin-top: 8px;
  color: var(--color-muted);
  font-size: 0.88rem;
  font-weight: 500;
  line-height: 1.8;
}

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

.process-card {
  padding: 24px;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.process-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  color: var(--color-white);
  font-size: 0.88rem;
  font-weight: 900;
  background:
    linear-gradient(135deg, rgba(34, 184, 207, 0.28), transparent 42%),
    linear-gradient(135deg, var(--color-navy), var(--color-blue));
  border-radius: 14px;
}

.process-card p {
  margin-top: 10px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.8;
}

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

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

  .contact-side-card {
    position: relative;
    top: auto;
    order: -1;
  }
}

@media (max-width: 720px) {
  .form-grid {
    grid-template-columns: 1fr;
  }

  .contact-form-card,
  .contact-side-card {
    padding: 24px;
  }

  .form-submit {
    width: 100%;
  }
}

.error-hero {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.13), transparent 30%),
    radial-gradient(circle at bottom right, rgba(238, 242, 255, 0.9), transparent 36%),
    linear-gradient(135deg, #ffffff 0%, #eef8ff 100%);
}

.error-code {
  display: inline-block;
  margin-bottom: 14px;
  color: transparent;
  font-size: clamp(4.4rem, 13vw, 9rem);
  font-weight: 900;
  letter-spacing: -0.08em;
  line-height: 0.9;
  background:
    linear-gradient(135deg, var(--color-navy), var(--color-blue) 55%, var(--color-cyan));
  -webkit-background-clip: text;
  background-clip: text;
}

.error-sub-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  margin-top: 22px;
}

.error-sub-actions a {
  color: var(--color-blue);
  font-size: 0.92rem;
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.suggested-links-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.contact-note-404-section {
  background: var(--color-white);
}

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

.suggested-link-card {
  display: block;
  min-height: 100%;
  padding: 24px;
  color: inherit;
  text-decoration: none;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.suggested-link-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 111, 214, 0.22);
  box-shadow: var(--shadow-soft);
}

.suggested-link-card p {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .suggested-link-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 720px) {
  .error-code {
    margin-bottom: 10px;
  }

  .error-sub-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .suggested-link-grid {
    grid-template-columns: 1fr;
  }

  .suggested-link-card {
    padding: 22px;
  }
}

.legal-hero {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.1), transparent 30%),
    radial-gradient(circle at bottom right, rgba(238, 242, 255, 0.86), transparent 36%),
    linear-gradient(135deg, #ffffff 0%, #eef8ff 100%);
}

.legal-updated {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  margin-top: 22px;
  padding: 0 14px;
  color: var(--color-navy);
  font-size: 0.86rem;
  font-weight: 850;
  background: var(--color-blue-soft);
  border: 1px solid rgba(29, 111, 214, 0.14);
  border-radius: 999px;
}

.legal-notice-section,
.related-policy-section {
  background:
    radial-gradient(circle at top left, rgba(34, 184, 207, 0.07), transparent 32%),
    var(--color-bg);
}

.legal-content-section,
.legal-contact-section {
  background: var(--color-white);
}

.legal-notice-box {
  background:
    radial-gradient(circle at top right, rgba(18, 165, 148, 0.12), transparent 34%),
    linear-gradient(135deg, var(--color-teal-soft), #ffffff);
}

.legal-heading {
  max-width: 880px;
}

.legal-layout {
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.legal-toc {
  position: sticky;
  top: 100px;
  padding: 22px;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.94);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.legal-toc h3 {
  margin-bottom: 16px;
  color: var(--color-navy);
  font-size: 1rem;
}

.legal-toc nav {
  display: grid;
  gap: 8px;
}

.legal-toc a {
  display: block;
  padding: 9px 10px;
  color: var(--color-muted);
  font-size: 0.84rem;
  font-weight: 700;
  line-height: 1.55;
  text-decoration: none;
  border-radius: 10px;
  transition: color 0.18s ease, background 0.18s ease;
}

.legal-toc a:hover {
  color: var(--color-blue);
  background: var(--color-blue-soft);
}

.legal-content {
  display: grid;
  gap: 18px;
}

.legal-article {
  scroll-margin-top: 102px;
  padding: clamp(22px, 4vw, 34px);
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.94);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
}

.legal-article h3 {
  color: var(--color-navy);
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  line-height: 1.55;
}

.legal-article p {
  margin-top: 14px;
  color: #334155;
  font-size: 0.94rem;
  font-weight: 500;
  line-height: 1.9;
}

.legal-article a {
  color: var(--color-blue);
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.legal-list {
  display: grid;
  gap: 9px;
  margin-top: 16px;
}

.legal-list li {
  position: relative;
  padding-left: 20px;
  color: #334155;
  font-size: 0.93rem;
  font-weight: 500;
  line-height: 1.85;
}

.legal-list li::before {
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 7px;
  height: 7px;
  content: "";
  background: var(--color-cyan);
  border-radius: 999px;
}

.legal-related-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.legal-related-card {
  display: block;
  min-height: 100%;
  padding: 24px;
  color: inherit;
  text-decoration: none;
  background: var(--color-white);
  border: 1px solid rgba(219, 229, 242, 0.92);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-card);
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.legal-related-card:hover {
  transform: translateY(-3px);
  border-color: rgba(29, 111, 214, 0.22);
  box-shadow: var(--shadow-soft);
}

.legal-related-card p {
  margin-top: 14px;
  color: var(--color-muted);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.8;
}

@media (max-width: 980px) {
  .legal-layout {
    grid-template-columns: 1fr;
  }

  .legal-toc {
    position: relative;
    top: auto;
  }

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

@media (max-width: 720px) {
  .legal-toc nav,
  .legal-related-grid {
    grid-template-columns: 1fr;
  }

  .legal-article {
    padding: 22px;
  }

  .legal-updated {
    width: fit-content;
  }
}

.legal-article h4 {
  margin-top: 22px;
  color: var(--color-navy);
  font-size: 0.98rem;
  font-weight: 850;
  line-height: 1.65;
}

.site-logo-img {
  display: block;
  width: 220px;
  height: auto;
}

@media (max-width: 720px) {
  .site-logo-img {
    width: 150px;
  }
}