/*
Theme Name:fukasawa-child
Template:fukasawa
Version:1.76
*/

a {
color: #5484C8;
text-decoration: underline;
}
<script>
document.addEventListener('DOMContentLoaded', function() {
  const sliders = document.querySelectorAll('.fixed-aspect-slider .otter-slider-inner');
  sliders.forEach(slider => {
    function resizeSlider() {
      const width = slider.offsetWidth;
      const aspectRatio = 16 / 9; // PCで使っている比率
      slider.style.height = (width / aspectRatio) + 'px';
    }
    resizeSlider(); // ページ読み込み時に計算
    window.addEventListener('resize', resizeSlider); // 画面サイズ変更時も再計算
  });
});
</script>