html {scroll-behavior: smooth;}
body {margin:0px;font-size:20px;line-height:1.5;font-feature-settings:"palt";font-family: "游ゴシック Medium", "Yu Gothic Medium", 游ゴシック体, YuGothic, "ヒラギノ角ゴ ProN W3", "Hiragino Kaku Gothic ProN", メイリオ, Meiryo, verdana, sans-serif;}
img{border:none;margin:0px;padding:0px;height:auto;display:block;width:100%;max-width:100%;}
a {text-decoration: none;color: black;}
a img:hover,a:hover{opacity:0.6;transition-duration:0.3s;transform:translate(2px, 2px);}
.pc{display:block;}
.sp{display:none;}
ul,ol{list-style-type:none;margin:0;padding:0;}
/* ヘッダー */

header,article,footer,nav{width:100%;max-width:50em;margin:0 auto;position:relative;}
section{width:100%;position:relative;overflow:hidden;}
#navi ul{width:41.2em;margin:3em auto;display:grid;grid-template-columns:repeat(4, 1fr);column-gap:1em;row-gap: 1em;}
#e-power img{margin:1em auto;}
#present > img{width:42.7em;margin:8em auto 1.5em;}
#present a{width:28.85em;margin:0 auto 10em;display:block;}
#shijyou a{width:43.35em;margin:0 auto 5em;display:block;}

@media all and (min-width: 0) and (max-width:999px) {
body {font-size:2vw;}
}