@media (min-width:780px){ .my-ad-pc{display:block} .my-ad-mobile{display:none} } @media (max-width:780px){ .my-ad-pc{display:none} .my-ad-mobile{display:block} } (adsbygoogle = window.adsbygoogle || []).push({}); (adsbygoogle = window.adsbygoogle || []).push({})..