.siwa_banner{
  display:block;
  max-width:800px;
  margin:60px auto 40px;
}
.siwa_banner img{
  width:100%;
  height:auto;
}

#top_20260925{display:block;background:#f4f4f4;padding:40px 15px;text-align:center}#top_20260925 h2{display:flex;justify-content:center;align-items:center;font-size:20px;font-weight:bold;font-family:YuMincho, "Yu Mincho", "Hiragino Mincho ProN", "serif";margin-bottom:20px}#top_20260925 h2:before,#top_20260925 h2:after{display:block;width:2em;height:1px;content:"";background:#000;margin:0 0.5em}#top_20260925 h2 br{display:none}@media (max-width: 640px){#top_20260925 h2{font-size:16px}#top_20260925 h2:before,#top_20260925 h2:after{display:none}#top_20260925 h2 br{display:block}}#top_20260925 ul.biyoueki_list{display:grid;grid-template-columns:repeat(4, 1fr);gap:20px;list-style-type:none;padding:0;max-width:1080px;margin:0 auto}#top_20260925 ul.biyoueki_list li a{display:block;background:#fff;padding:15px;border-radius:10px;box-shadow:0 0 8px rgba(0,0,0,0.3);text-align:center;text-decoration:none;height:100%;box-sizing:border-box}#top_20260925 ul.biyoueki_list li a img{display:block;width:auto;height:200px;margin:0 auto 5px}#top_20260925 ul.biyoueki_list li a b{display:block;font-size:13px;color:#000;line-height:1.2}@media (max-width: 640px){#top_20260925 ul.biyoueki_list{grid-template-columns:repeat(2, 1fr)}#top_20260925 ul.biyoueki_list li a{padding:10px}#top_20260925 ul.biyoueki_list li a img{height:130px}}