body { margin: 0; background: #ffffff; }
  a { color: #2f5fd1; }
  a:hover { color: #24478f; }
  #en, #ja { scroll-margin-top: 90px; }
  @keyframes cotmBlink { 0%, 100% { opacity: 1; } 50% { opacity: .25; } }
  @keyframes cotmPing { 0% { box-shadow: 0 0 0 0 rgba(63,191,143,.5); } 70% { box-shadow: 0 0 0 7px rgba(63,191,143,0); } 100% { box-shadow: 0 0 0 0 rgba(63,191,143,0); } }