html,body{
  background:#fff; color:var(--color-text);
  margin:0; padding:0;
  font-family:"AlphaNumFont","游ゴシック体","Yu Gothic",YuGothic,system-ui,-apple-system,Segoe UI,Roboto,"Hiragino Kaku Gothic ProN","Hiragino Sans","Noto Sans",Meiryo,sans-serif;
  line-height:1.9; font-size:clamp(18px,2.5vw,22px);
  -webkit-text-size-adjust:100%; text-size-adjust:100%;
}
h1{ font-size:1em; margin:0 0 16px; font-weight:400; }
h2{
  font-size:1em; margin:32px 0 6px; font-weight:400;
  display:inline-block; background:var(--color-accent); padding:0 4px;
}
a, a:visited{ color:blue; text-decoration:none; }
a:hover{ color:#000; }
a:focus{ outline:2px solid #000; outline-offset:2px; }
img{ max-width:100%; height:auto; display:block; }