:root {
  --bg: #0f1117;
  --card: rgba(255, 255, 255, 0.04);
  --panel: #0f131d;
  --text: #e9ecf5;
  --muted: #9aa3b5;
  --accent: #7ce7c1;
  --accent-2: #8ab8ff;
  --border: rgba(255, 255, 255, 0.08);
  --shadow: 0 20px 60px rgba(0, 0, 0, 0.35);
  --radius: 16px;
  --radius-sm: 10px;
  --max-width: 1200px;
  font-family: "Noto Sans JP", "Hiragino Sans", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
}

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

body {
  margin: 0;
  background: radial-gradient(1200px at 20% 20%, rgba(124, 231, 193, 0.08), transparent),
    radial-gradient(1400px at 80% 0%, rgba(138, 184, 255, 0.08), transparent),
    var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
  padding: 0 20px 60px;
}

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

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(15, 17, 23, 0.85);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.4px;
}

.brand .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  box-shadow: 0 0 12px rgba(124, 231, 193, 0.9);
}

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

.nav a {
  padding: 8px 10px;
  font-weight: 500;
  color: var(--muted);
  border-radius: 999px;
  transition: color 0.2s ease, background 0.2s ease;
}

.nav a:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.06);
}

.button {
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 16px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.button.primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #0c1018;
  border: none;
  box-shadow: 0 10px 30px rgba(124, 231, 193, 0.25);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  border: 1px solid var(--border);
}

.button.ghost {
  background: transparent;
  color: var(--text);
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
}

main {
  max-width: var(--max-width);
  margin: 0 auto;
  padding-top: 30px;
}

.hero {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 26px;
  padding: 40px 0 30px;
  align-items: center;
}

.hero__content h1 {
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.2;
  margin: 10px 0 12px;
}

.hero__content .lede {
  color: var(--muted);
  margin-bottom: 18px;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.hero__card {
  display: flex;
  justify-content: flex-end;
}

.glass {
  width: 100%;
  padding: 22px;
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.05), rgba(255, 255, 255, 0.02));
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}

.glass h3 {
  margin: 6px 0 8px;
}

.glass .small {
  color: var(--muted);
}

.video-embed {
  margin-top: 16px;
  border-radius: var(--radius-sm);
  overflow: hidden;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.04);
  aspect-ratio: 16 / 9;
}

.video-embed iframe {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.1em;
  font-size: 12px;
  color: var(--accent);
  margin: 0;
}

.label {
  font-size: 13px;
  color: var(--muted);
  margin: 0 0 4px;
}

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

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  margin: 16px 0;
  box-shadow: var(--shadow);
}

.panel.alt {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0.01));
}

.panel__header h2 {
  margin: 6px 0 10px;
  font-size: 24px;
}

.panel__content.two-col {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.bullet {
  padding-left: 18px;
  color: var(--muted);
}

.bullet li + li {
  margin-top: 6px;
}

.bullet.compact li + li {
  margin-top: 4px;
}

.pill-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.pill-card {
  background: var(--card);
  padding: 16px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
}

.project {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: var(--card);
  border: 1px solid var(--border);
  display: grid;
  gap: 6px;
}

.project h3 {
  margin: 6px 0 4px;
}

.tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

.tags span {
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.03);
}

.timeline {
  display: grid;
  gap: 12px;
}

.timeline__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 10px;
  align-items: start;
}

.timeline__item .dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  margin-top: 6px;
  box-shadow: 0 0 10px rgba(124, 231, 193, 0.8);
}

.contact {
  background: linear-gradient(135deg, rgba(124, 231, 193, 0.08), rgba(138, 184, 255, 0.06));
}

.contact__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 14px;
  align-items: center;
}

.contact__card {
  padding: 16px;
  border-radius: var(--radius-sm);
  background: rgba(0, 0, 0, 0.25);
  border: 1px solid var(--border);
}

.contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 12px 0 4px;
}

.site-footer {
  max-width: var(--max-width);
  margin: 20px auto 0;
  padding: 20px 0 0;
  color: var(--muted);
  font-size: 14px;
  text-align: center;
  border-top: 1px solid var(--border);
}

.disclaimer {
  margin: 8px 0 0;
  font-size: 12px;
  color: rgba(154, 163, 181, 0.5);
}

.resource-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: flex-end;
  align-items: center;
}

@media (max-width: 720px) {
  .site-header {
    padding: 12px 0;
    gap: 8px;
    flex-wrap: wrap;
  }

  .panel,
  .hero {
    padding: 20px 16px;
  }
}