@charset "UTF-8";#satei-irai{width:100%;display:flex;justify-content:space-around;text-align:center}#satei-irai img{width:98%}summary{list-style-type:none;cursor:pointer}summary::-webkit-details-marker{display:none}summary:before{position:relative;top:25px;left:550px;content:"+クリックして開く";font-size:20px;font-weight:700;padding:10px;border:1px solid #000;border-radius:5px;background-color:var(--itemlistcolor);color:#fff}details[open] summary:before,summary details[open] summary:before{content:"−クリックして閉じる"}@media (max-width:480px){summary:before{position:relative;top:15px;left:240px;content:"+クリックして開く";font-size:11px;font-weight:700;padding:5px;border:1px solid #000;border-radius:5px;background-color:var(--itemlistcolor);color:#fff}details[open] summary:before,summary details[open] summary:before{content:"−クリックして閉じる"}}