/* 2004年版から現代版への切り替え（templates/_theme_bar.html）。2004年版の飾りに埋もれないよう、今どきの見た目で出す */
.theme-bar {
  position: relative; z-index: 20;
  background: #1a1a1c; color: #ffffff; text-align: center;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  font-size: 14px; line-height: 1.5; padding: 8px 12px; margin: -12px 0 12px;
}
.lp .theme-bar { margin: -26px 0 18px; }
.theme-bar-btn {
  display: inline-block; margin-left: 8px; padding: 4px 14px; border-radius: 999px;
  background: #ffffff; color: #1a1a1c !important; font-weight: 700; text-decoration: none;
}
.theme-bar-btn:hover { background: #ffd84a; }
.theme-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 30;
  display: inline-flex; align-items: center; gap: 6px; min-height: 44px; padding: 8px 18px; border-radius: 999px;
  background: #1f4fd1; color: #ffffff !important; text-decoration: none; font-weight: 700; font-size: 15px;
  font-family: system-ui, -apple-system, "Hiragino Sans", "Yu Gothic UI", Meiryo, sans-serif;
  box-shadow: 0 4px 14px rgba(0, 0, 0, 0.3);
}
.theme-float:hover { background: #163a9c; }
.theme-bar a:focus, .theme-float:focus { outline: 3px solid #ffb000; outline-offset: 2px; }
@media (max-width: 780px) {
  .theme-bar { margin: 0; font-size: 13px; }
  .lp .theme-bar { margin: 0; }
  /* 狭い画面では、右下のボタンが本文のボタン（ログインなど）に重なる。最上部の帯だけにする */
  .theme-float { display: none; }
}