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<script type="text/javascript"><!--
google_ad_client = "xxxxxxxxxxxxxxx";
width = document.documentElement.clientWidth;
      /* PC版 */
      google_ad_slot = "xxxxxxxxx";
      google_ad_width = 728;
      google_ad_height = 90;
      //-->
if (width < 1140) {
      /* タブレット */
      google_ad_slot = "xxxxxxxxx";
      google_ad_width = 468;
      google_ad_height = 60;
      //-->
    }
if (width < 468) {
      /* スマホ */
      google_ad_slot = "xxxxxxxxx";
      google_ad_width = 320;
      google_ad_height = 100;
    }
</script>