.site-logo img, a[href="/index.html"] img[src*="ph-top2"], img[alt*="ロゴ"], img[src*="ph-top2.jpg"] {
  width: 320px !important;
  max-width: 90vw;
  height: auto !important;
}
h1 { font-size: 1.35rem; line-height: 1.5; }