@charset "UTF-8";#satei-irai{width:100%;display:flex;justify-content:space-around;text-align:center}#satei-irai img{width:98%}.inner_container summary{list-style-type:none;cursor:pointer}.inner_container summary::-webkit-details-marker{display:none}.inner_container 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}.inner_container details[open] summary:before,.inner_container summary details[open] summary:before{content:"−クリックして閉じる"}@media (max-width:480px){.inner_container 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}.inner_container details[open] summary:before,.inner_container summary details[open] summary:before{content:"−クリックして閉じる"}}