/* apps.aiuenu.com — 最小構成のスタイル（1ファイルで完結・外部読み込みなし） */
:root {
  --bg: #0f1115;
  --panel: #171a21;
  --line: #262b35;
  --text: #e8eaed;
  --muted: #9aa3b2;
  --accent: #4c8dff;
  --accent-ink: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

a { color: var(--accent); }

.wrap { max-width: 1000px; margin: 0 auto; padding: 0 20px; }

/* --- header --- */
.site-header { border-bottom: 1px solid var(--line); background: var(--panel); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 62px; }
.brand { font-weight: 700; font-size: 1.1rem; color: var(--text); text-decoration: none; letter-spacing: .02em; }
.nav { display: flex; gap: 18px; flex-wrap: wrap; }
.nav a { color: var(--muted); text-decoration: none; font-size: .92rem; }
.nav a:hover { color: var(--text); }

/* --- hero --- */
.hero { padding: 56px 0 28px; }
.hero h1 { font-size: 1.9rem; margin: 0 0 12px; line-height: 1.5; }
.hero p { color: var(--muted); margin: 0; max-width: 62ch; }

/* --- products --- */
.section-title { font-size: 1.25rem; margin: 40px 0 16px; }
.grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 16px; }
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 18px;
  display: flex;
  flex-direction: column;
}
.card h3 { margin: 0 0 6px; font-size: 1.02rem; }
.card .tagline { color: var(--muted); font-size: .88rem; margin: 0 0 14px; flex: 1; }
.card .price { font-weight: 700; font-size: 1.1rem; margin: 0 0 12px; }
.btn {
  display: inline-block;
  background: var(--accent);
  color: var(--accent-ink);
  text-decoration: none;
  text-align: center;
  padding: 9px 16px;
  border-radius: 7px;
  font-size: .92rem;
  font-weight: 600;
}
.btn:hover { filter: brightness(1.08); }
.btn--muted { background: #2a3040; color: var(--muted); }

.empty {
  border: 1px dashed var(--line);
  border-radius: 10px;
  padding: 28px;
  color: var(--muted);
  text-align: center;
}

/* --- legal pages --- */
.doc { max-width: 760px; padding: 32px 0 8px; }
.doc h1 { font-size: 1.5rem; }
.doc h2 { font-size: 1.05rem; margin-top: 28px; }
.doc p, .doc li { color: #cdd3dd; }

/* --- footer --- */
.site-footer { border-top: 1px solid var(--line); margin-top: 64px; padding: 26px 0 40px; background: var(--panel); }
.foot-nav { display: flex; gap: 18px; flex-wrap: wrap; margin-bottom: 12px; }
.foot-nav a { color: var(--muted); text-decoration: none; font-size: .88rem; }
.foot-nav a:hover { color: var(--text); }
.foot-note, .foot-copy { color: var(--muted); font-size: .82rem; margin: 6px 0 0; }

@media (max-width: 640px) {
  .hero { padding: 36px 0 20px; }
  .hero h1 { font-size: 1.5rem; }
  .header-inner { height: auto; padding: 12px 0; flex-direction: column; align-items: flex-start; }
}