:root {
  --bg: #050204;
  --surface: rgba(10, 4, 6, 0.9);
  --surface-strong: rgba(15, 5, 8, 0.95);
  --text: #f5f1eb;
  --body: rgba(236, 228, 218, 0.9);
  --muted: rgba(200, 150, 140, 0.56);
  --line: rgba(200, 40, 50, 0.24);
  --line-strong: rgba(200, 40, 50, 0.42);
  --accent: #c82832;
  --accent-soft: rgba(200, 40, 50, 0.15);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 16% 0%, rgba(160, 18, 28, 0.34), transparent 30rem),
    radial-gradient(circle at 85% 12%, rgba(160, 18, 28, 0.2), transparent 22rem),
    var(--bg);
  color: var(--text);
  font-family:
    "Soukou Mincho", "Yu Mincho", "游明朝", "Hiragino Mincho ProN",
    "Times New Roman", serif;
  line-height: 1.85;
  letter-spacing: 0.02em;
}

body::after {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 100;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.08) 2px,
    rgba(0, 0, 0, 0.08) 4px
  );
  opacity: 0.5;
}

a {
  color: inherit;
}

.page-frame {
  position: relative;
  width: min(100%, 1280px);
  min-height: 100vh;
  margin: 0 auto;
  border-inline: 1px solid var(--line);
}

.page-frame::before,
.page-frame::after {
  content: "";
  position: absolute;
  top: 0;
  width: 34px;
  height: 34px;
  border-color: var(--line-strong);
  border-style: solid;
  pointer-events: none;
}

.page-frame::before {
  left: 0;
  border-width: 2px 0 0 2px;
}

.page-frame::after {
  right: 0;
  border-width: 2px 2px 0 0;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 18px clamp(20px, 5vw, 56px);
  border-bottom: 1px solid var(--line);
  background: rgba(5, 2, 4, 0.86);
  backdrop-filter: blur(12px);
}

.brand {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  text-decoration: none;
}

.brand-mark {
  font-family: Impact, "Arial Black", sans-serif;
  font-size: 1.9rem;
  line-height: 1;
  letter-spacing: 0.08em;
}

.brand-sub,
.nav {
  color: var(--muted);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.nav {
  display: flex;
  gap: 18px;
  font-family: Impact, "Arial Black", sans-serif;
}

.nav a {
  text-decoration: none;
}

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

.hero {
  position: relative;
  display: grid;
  align-content: center;
  min-height: 58vh;
  padding: 76px clamp(20px, 6vw, 88px);
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -2;
  background:
    linear-gradient(180deg, rgba(5, 2, 4, 0.14), rgba(5, 2, 4, 0.88)),
    url("https://creepyhub.com/images/inakuro%20eiko%20_eye.png") center / cover;
  opacity: 0.26;
}

.hero::after {
  content: "";
  position: absolute;
  width: 620px;
  height: 620px;
  right: -180px;
  bottom: -260px;
  z-index: -1;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(200, 40, 50, 0.35), transparent 68%);
}

.hub-logo {
  width: 74px;
  height: auto;
  margin-bottom: 18px;
  filter: drop-shadow(0 0 24px rgba(200, 40, 50, 0.28));
}

.eyebrow {
  margin: 0 0 10px;
  color: rgba(220, 120, 130, 0.78);
  font-family: Impact, "Arial Black", sans-serif;
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 12px;
  font-family: Impact, "Arial Black", sans-serif;
  font-size: clamp(4.8rem, 15vw, 10rem);
  line-height: 0.9;
  letter-spacing: 0.08em;
  text-shadow:
    0 0 60px rgba(200, 40, 50, 0.25),
    0 3px 6px rgba(0, 0, 0, 0.8);
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.2;
}

h3 {
  margin-bottom: 6px;
  font-size: 1.35rem;
}

.lead {
  max-width: 760px;
  margin: 0;
  color: var(--body);
  font-size: clamp(1rem, 2vw, 1.22rem);
}

.section {
  padding: 58px clamp(20px, 6vw, 88px);
  border-bottom: 1px solid var(--line);
}

.surface {
  background: linear-gradient(180deg, rgba(10, 4, 6, 0.72), rgba(5, 2, 4, 0.78));
}

.media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 260px));
  gap: 36px;
}

.media-card {
  display: grid;
  gap: 4px;
  align-content: start;
  padding: 0 0 10px;
  border-bottom: 1px solid rgba(200, 40, 50, 0.26);
  background: transparent;
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.media-card:hover {
  transform: translateY(-2px);
  border-color: rgba(200, 40, 50, 0.72);
}

.media-card h3 {
  margin: 0;
  font-size: 1.2rem;
}

.media-card span {
  color: var(--muted);
  font-family: Impact, "Arial Black", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.footer {
  display: grid;
  grid-template-columns: minmax(180px, 1fr) minmax(180px, 1fr) auto;
  gap: 22px;
  align-items: start;
  padding: 24px clamp(20px, 6vw, 88px);
  border-top: 1px solid rgba(200, 40, 50, 0.12);
  color: var(--muted);
  font-size: 0.76rem;
  line-height: 1.55;
}

.footer p {
  margin-bottom: 0;
}

.footer-title {
  color: rgba(245, 241, 235, 0.74);
  font-family: Impact, "Arial Black", sans-serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.footer-info a {
  color: rgba(245, 241, 235, 0.72);
  text-decoration-color: rgba(200, 40, 50, 0.42);
  text-underline-offset: 4px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
}

@media (max-width: 720px) {
  .site-header,
  .footer {
    align-items: flex-start;
  }

  .site-header {
    flex-direction: column;
  }

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

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

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

  .nav {
    flex-wrap: wrap;
  }

  .hero {
    min-height: 54vh;
  }

}