:root {
  color-scheme: dark;
  --bg: #050711;
  --text: #f5f7ff;
  --muted: #b0bad3;
  --muted-2: #8d98b6;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #7ab8ff;
  --accent-2: #a88cff;
  --shadow: 0 28px 90px rgba(0, 0, 0, 0.45);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --content-width: min(1180px, calc(100% - 32px));
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Inter", "Noto Sans JP", system-ui, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 10%, rgba(122, 184, 255, 0.2), transparent 26%),
    radial-gradient(circle at 90% 18%, rgba(168, 140, 255, 0.18), transparent 24%),
    linear-gradient(180deg, #0a0d18 0%, #070a12 40%, #050711 100%);
  overflow-x: hidden;
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
}

body::before {
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.028) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.7), transparent 82%);
}

body::after {
  background:
    radial-gradient(circle at 20% 20%, rgba(255, 255, 255, 0.09), transparent 22%),
    radial-gradient(circle at 80% 32%, rgba(255, 255, 255, 0.05), transparent 18%);
  filter: blur(70px);
  opacity: 0.5;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

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

p {
  margin-bottom: 0;
}

.card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(22px);
  -webkit-backdrop-filter: blur(22px);
}

.card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08), transparent 34%, transparent 68%, rgba(255, 255, 255, 0.04));
  pointer-events: none;
}

.site-header {
  position: sticky;
  top: 14px;
  z-index: 20;
  width: var(--content-width);
  margin: 14px auto 0;
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  border-radius: 22px;
  background: rgba(10, 13, 24, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.1);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 14px 40px rgba(0, 0, 0, 0.26);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand__mark {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #06101f;
  box-shadow: 0 10px 30px rgba(122, 184, 255, 0.3);
}

.site-nav {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}

.site-nav a {
  padding: 10px 14px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-size: 0.94rem;
}

.page {
  width: var(--content-width);
  margin: 18px auto 80px;
  display: grid;
  gap: 22px;
}

.hero {
  padding: 42px 34px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top left, rgba(122, 184, 255, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(168, 140, 255, 0.16), transparent 28%),
    rgba(10, 13, 24, 0.78);
}

.hero__copy,
.feature-card,
.directory-card,
.cta {
  position: relative;
  z-index: 1;
}

.hero__copy--full {
  max-width: 860px;
}

.hero__identity {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 16px;
}

.hero__icon {
  width: 72px;
  height: 72px;
  border-radius: 22px;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: 0 16px 44px rgba(122, 184, 255, 0.2);
}

.eyebrow,
.section__label,
.feature-card__eyebrow {
  margin-bottom: 10px;
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted-2);
}

.hero h1 {
  margin-bottom: 14px;
  font-size: clamp(3.3rem, 9vw, 6rem);
  line-height: 0.95;
  letter-spacing: -0.05em;
}

.hero__subline {
  color: var(--accent);
  font-size: 1.05rem;
  font-weight: 700;
}

.hero__lead,
.section__intro,
.feature-card p,
.list-link span,
.cta p,
.footer,
.footer__note {
  color: var(--muted);
  line-height: 1.8;
}

.hero__lead {
  max-width: 760px;
  font-size: 1.06rem;
}

.hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.hero__chips span {
  display: inline-flex;
  align-items: center;
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--muted);
  font-size: 0.92rem;
}

.hero__actions,
.cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 168px;
  padding: 14px 20px;
  border-radius: 999px;
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 700;
  transition: transform 0.22s ease;
}

.button:hover,
.feature-card:hover,
.list-link:hover {
  transform: translateY(-2px);
}

.button--primary {
  color: #07101f;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
}

.button--secondary {
  color: var(--text);
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--line);
}

.section {
  display: grid;
  gap: 18px;
}

.section__head {
  padding: 4px 6px 0;
}

.section__head h2,
.cta h2 {
  margin-bottom: 10px;
  font-size: clamp(1.9rem, 4vw, 3rem);
  letter-spacing: -0.04em;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(12, minmax(0, 1fr));
  gap: 18px;
}

.feature-card {
  grid-column: span 6;
  min-height: 240px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 26px;
  border-radius: 28px;
  text-decoration: none;
  background: linear-gradient(180deg, rgba(16, 21, 37, 0.92), rgba(13, 17, 30, 0.86));
}

.feature-card--primary {
  grid-column: span 7;
  background:
    radial-gradient(circle at top left, rgba(122, 184, 255, 0.2), transparent 36%),
    linear-gradient(180deg, rgba(17, 24, 43, 0.96), rgba(11, 15, 28, 0.92));
}

.feature-card--violet {
  grid-column: span 5;
  background:
    radial-gradient(circle at top right, rgba(168, 140, 255, 0.2), transparent 36%),
    linear-gradient(180deg, rgba(17, 24, 43, 0.94), rgba(11, 15, 28, 0.92));
}

.feature-card h3 {
  margin-bottom: 12px;
  font-size: 1.75rem;
}

.feature-card span,
.list-link em {
  color: var(--accent);
  font-weight: 700;
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.directory-card {
  padding: 24px;
  border-radius: 28px;
  background: rgba(11, 15, 26, 0.8);
}

.directory-card__head {
  margin-bottom: 18px;
}

.directory-card h3 {
  margin-bottom: 0;
  font-size: 1.42rem;
}

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

.list-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.03);
  text-decoration: none;
}

.list-link strong {
  display: block;
  margin-bottom: 4px;
  font-size: 1rem;
}

.list-link span {
  display: block;
  font-size: 0.92rem;
}

.list-link em {
  font-style: normal;
  font-size: 1.2rem;
}

.cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 28px;
  border-radius: var(--radius-xl);
  background:
    radial-gradient(circle at top right, rgba(122, 184, 255, 0.16), transparent 30%),
    linear-gradient(180deg, rgba(15, 20, 35, 0.9), rgba(10, 14, 25, 0.92));
}

.cta__copy {
  max-width: 760px;
}

.contact-mail {
  margin-top: 14px;
  font-weight: 600;
}

.contact-mail a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
}

.footer {
  padding: 6px 6px 0;
  text-align: center;
}

.footer__note {
  font-size: 0.88rem;
}

@media (max-width: 900px) {
  .featured-grid,
  .directory-grid {
    grid-template-columns: 1fr;
  }

  .feature-card,
  .feature-card--primary,
  .feature-card--violet {
    grid-column: span 12;
  }

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

@media (max-width: 760px) {
  .site-header {
    width: min(100% - 16px, 1180px);
    margin-top: 8px;
    padding: 12px 14px;
    border-radius: 18px;
    flex-direction: column;
    align-items: flex-start;
  }

  .page {
    width: min(100% - 16px, 1180px);
    margin: 14px auto 60px;
  }

  .hero,
  .directory-card,
  .feature-card,
  .cta {
    border-radius: 24px;
  }

  .hero {
    padding: 28px 18px;
  }

  .hero__identity {
    align-items: flex-start;
  }

  .hero__icon {
    width: 60px;
    height: 60px;
    border-radius: 18px;
  }

  .hero__lead br {
    display: none;
  }
}