:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f232c;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --muted: #9aa2b1;
  --accent: #d9a441;
  --accent-2: #6ea8fe;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.6;
}

.app {
  max-width: 760px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header .nav { margin: 0 0 12px; font-size: .9rem; }
header .nav a { color: var(--accent-2); text-decoration: none; }
header .nav a:hover { text-decoration: underline; }

header h1 { margin: 0 0 8px; font-size: 28px; }
.sub { margin: 0 0 24px; color: var(--muted); }

.search {
  width: 100%;
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  font-size: 15px;
}
.search:focus { outline: 2px solid var(--accent-2); outline-offset: 1px; }

.count { margin: 10px 2px; color: var(--muted); font-size: .85rem; }

.term-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.term-list li {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
}

.term-jp { display: block; font-weight: 700; color: var(--accent); margin-bottom: 4px; text-decoration: none; }
.term-jp:hover { text-decoration: underline; }
.term-desc { color: var(--muted); font-size: .92rem; }

.empty { color: var(--muted); text-align: center; margin-top: 24px; }

footer { margin-top: 32px; color: var(--muted); font-size: .82rem; }