*,*::before,*::after{box-sizing:border-box}

body{
  margin:0;
  min-height:100vh;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Hiragino Sans","Hiragino Kaku Gothic ProN","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-size-adjust:100%;
}

.en{display:block;font-size:.85em;font-weight:400;color:var(--muted);letter-spacing:.004em}
.en-i{font-size:.85em;font-weight:400;color:var(--muted)}
.en-i::before{content:"/ "}

a:focus-visible,button:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:3px;
  border-radius:.45rem;
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
}