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

body {
  font-family: system-ui, -apple-system, sans-serif;
  background: #faf9f6;
  color: #1a1a1a;
  line-height: 1.5;
}

header {
  text-align: center;
  padding: 2rem 1rem 1rem;
}

header h1 {
  font-size: 1.8rem;
  font-weight: 700;
}

header p {
  color: #666;
  margin-top: 0.25rem;
  font-size: 0.95rem;
}

main {
  max-width: 720px;
  margin: 1rem auto 4rem;
  padding: 0 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  text-align: left;
  padding: 0.5rem 0.75rem;
  border-bottom: 2px solid #ddd;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #888;
}

tbody tr {
  cursor: pointer;
  transition: background 0.15s;
}

tbody tr:hover {
  background: #eee;
}

tbody tr.playing {
  background: #e0f0e8;
}

tbody tr.playing td {
  font-weight: 600;
}

td {
  padding: 0.6rem 0.75rem;
  border-bottom: 1px solid #eee;
}

td.num {
  width: 2.5rem;
  color: #aaa;
  font-size: 0.85rem;
  text-align: right;
  padding-right: 1rem;
}

td.kn {
  font-size: 1.05rem;
}

td.en {
  color: #555;
  font-size: 0.95rem;
}

@media (max-width: 500px) {
  header h1 { font-size: 1.4rem; }
  td { padding: 0.5rem 0.4rem; }
  td.kn { font-size: 0.95rem; }
  td.en { font-size: 0.85rem; }
}