:root {
  --bg-color: #202030;
  --text-color: #e0e0e8;
  --accent-color: #8080a0;
  --hover-color: #b0b0c8;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: 'Space Grotesk', 'Noto Sans JP', sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  text-align: center;
  line-height: 1.5;
}

.visually-hidden {
  clip: rect(0 0 0 0);
  clip-path: inset(50%);
  height: 1px;
  overflow: hidden;
  position: absolute;
  white-space: nowrap;
  width: 1px;
}

.container {
  max-width: 750px;
  width: 100%;
}

.artist {
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
  font-weight: 600;
}

.romaji {
  font-size: 1.25rem;
  color: var(--accent-color);
  margin-bottom: 2rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.track-title {
  font-size: 1rem;
  font-weight: normal;
}

.track-title + .track-title {
  color: var(--accent-color);
  margin-top: 0.5rem;
  margin-bottom: 1.5rem;
}

.primary-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1rem;
  margin-bottom: 2rem;
  list-style: none;
}

@media (min-width: 480px) {
  .primary-links {
      grid-template-columns: repeat(4, 1fr);
  }
}

.primary-link {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text-color);
  transition: all 0.2s ease;
}

.primary-link:hover,
.primary-link:focus {
  background: rgba(255, 255, 255, 0.2);
  color: var(--hover-color);
}

.primary-link img {
  width: 24px;
  height: 24px;
  fill: currentColor;
  filter: brightness(0) saturate(100%) invert(93%) sepia(7%) saturate(188%) hue-rotate(202deg) brightness(97%) contrast(93%);
  transition: filter 0.2s ease;
}

.primary-link:hover img {
  filter: brightness(0) saturate(100%) invert(83%) sepia(11%) saturate(238%) hue-rotate(202deg) brightness(94%) contrast(92%);
}

.secondary-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 1rem;
  list-style: none;
}

.secondary-link {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.2s ease;
  padding: 0.25em;
}

.secondary-link:hover,
.secondary-link:focus {
  color: var(--hover-color);
}

.footer {
  margin-top: 2rem;
  font-size: 0.75rem;
  color: var(--accent-color);
}

@media (prefers-reduced-motion: reduce) {
  .primary-link,
  .secondary-link,
  .primary-link img {
      transition: none;
  }
}