:root {
  --bg: #120909;
  --bg-elevated: rgba(31, 12, 12, 0.82);
  --panel: rgba(35, 12, 12, 0.82);
  --panel-strong: #1d0d0d;
  --card: rgba(32, 9, 9, 0.85);
  --card-soft: rgba(220, 38, 38, 0.08);
  --text: #fff2f2;
  --muted: #f1c7c7;
  --line: rgba(248, 113, 113, 0.22);
  --primary: #dc2626;
  --primary-strong: #991b1b;
  --secondary: #ef4444;
  --accent: #f59e0b;
  --gold: #fbbf24;
  --shadow: rgba(33, 7, 7, 0.48);
  --radius: 22px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  background:
    radial-gradient(circle at top left, rgba(220, 38, 38, 0.28), transparent 28%),
    radial-gradient(circle at bottom right, rgba(251, 191, 36, 0.12), transparent 24%),
    var(--bg);
  color: var(--text);
  line-height: 1.8;
}

a {
  color: inherit;
}

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

header.hero {
  position: relative;
  min-height: 440px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(25, 5, 5, 0.78), rgba(72, 9, 9, 0.45)),
    linear-gradient(120deg, rgba(220, 38, 38, 0.52), rgba(127, 29, 29, 0.36)),
    url("https://images.unsplash.com/photo-1518546305927-5a555bb7020d?auto=format&fit=crop&w=1600&q=80") center/cover no-repeat;
}

header.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 11, 19, 0.15), rgba(6, 11, 19, 0.8));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(1100px, calc(100% - 40px));
  text-align: center;
  padding: 72px 20px 80px;
}

.eyebrow {
  display: inline-block;
  padding: 0.45rem 0.9rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 999px;
  background: rgba(15, 23, 42, 0.35);
  backdrop-filter: blur(8px);
  color: #d7e6ff;
  letter-spacing: 0.12em;
  font-size: 0.7rem;
  text-transform: uppercase;
  margin-bottom: 18px;
}

header.hero h1 {
  margin: 0;
  font-size: clamp(2.5rem, 5vw, 5.4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
  text-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

.subheading {
  margin: 18px auto 0;
  max-width: 700px;
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: rgba(237, 244, 255, 0.8);
}

.hero-actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 24px;
}

nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(7, 17, 31, 0.8);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
}

nav ul {
  list-style: none;
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  max-width: 1100px;
}

nav li {
  display: inline-flex;
}

nav a {
  text-decoration: none;
  color: var(--muted);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 10px 16px;
  border-radius: 999px;
  transition: 0.25s ease;
  border: 1px solid transparent;
}

nav a:hover,
nav a:focus-visible {
  background: rgba(220, 38, 38, 0.18);
  color: var(--text);
  border-color: rgba(248, 113, 113, 0.35);
}

main {
  max-width: 1100px;
  margin: 0 auto;
  padding: 34px 20px 72px;
}

main h2 {
  margin: 0 0 20px;
  color: var(--text);
  font-size: clamp(2rem, 3vw, 2.9rem);
  line-height: 1.2;
  letter-spacing: -0.04em;
}

main h3 {
  margin: 0 0 18px;
  font-size: clamp(1.3rem, 2vw, 1.8rem);
  letter-spacing: -0.03em;
}

main h4 {
  margin: 0 0 10px;
  font-size: 1.08rem;
}

section {
  background: linear-gradient(180deg, rgba(17, 28, 48, 0.88), rgba(12, 21, 36, 0.9));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 18px 38px var(--shadow);
  padding: 26px 28px;
  margin-bottom: 24px;
}

section p,
section li,
section strong,
section span {
  color: var(--muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.card,
.stat-card {
  background: linear-gradient(180deg, rgba(19, 31, 53, 0.95), rgba(15, 23, 42, 0.9));
  border: 1px solid rgba(148, 163, 184, 0.18);
  border-radius: 18px;
  padding: 20px 18px;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.card p,
.stat-card p,
.card li,
.stat-card li {
  margin: 0;
}

.stat {
  display: block;
  margin-top: 10px;
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 800;
  color: #f8fafc;
}

.news-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.news-list li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  padding: 12px 14px;
  background: rgba(148, 163, 184, 0.06);
  border: 1px solid rgba(148, 163, 184, 0.14);
  border-radius: 14px;
}

.news-list li::before {
  content: "✦";
  color: var(--gold);
  font-size: 1.1rem;
}

.button,
.button-large {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.9rem 1.35rem;
  text-decoration: none;
  font-weight: 800;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}

.button:hover,
.button-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(124, 58, 237, 0.28);
}

.button {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: #fff;
}

.button-large {
  background: linear-gradient(135deg, #fbbf24, #f59e0b);
  color: #1f120d;
}

.button:hover,
.button-large:hover {
  box-shadow: 0 12px 24px rgba(220, 38, 38, 0.35);
}

.button.secondary,
.button-large.secondary {
  background: transparent;
  color: var(--text);
  border-color: rgba(148, 163, 184, 0.28);
}

ul {
  padding-left: 1.2rem;
}

pre {
  margin: 0;
  overflow-x: auto;
  background: rgba(15, 23, 42, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 18px 20px;
  color: #dbeafe;
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.92rem;
  line-height: 1.8;
}

footer {
  text-align: center;
  padding: 28px 20px 40px;
  color: var(--muted);
  background: rgba(8, 15, 26, 0.9);
  border-top: 1px solid var(--line);
}

@media (max-width: 768px) {
  header.hero {
    min-height: 340px;
  }

  .hero-content {
    padding-top: 48px;
  }

  nav ul {
    justify-content: flex-start;
    overflow-x: auto;
    white-space: nowrap;
  }

  nav li {
    flex: 0 0 auto;
  }

  main {
    padding-left: 14px;
    padding-right: 14px;
  }

  section {
    padding: 22px 18px;
  }

  .grid-3 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .hero-actions {
    flex-direction: column;
  }

  .button,
  .button-large {
    width: 100%;
  }

  nav a {
    padding: 9px 12px;
    font-size: 0.82rem;
  }

  main h2 {
    font-size: 1.7rem;
  }

  section p,
  section li,
  section strong {
    font-size: 0.95rem;
  }
}