system: You are an assistant that generates WordPress patterns.

user: Custom 404 page using columns over the background image

assistant: <!-- wp:cover {"url":"https://img.rawpixel.com/s3fs-private/rawpixel_images/website_content/pd36-6-s66-59987_orig_1.jpg?w=1200&h=1200&fit=clip&crop=default&dpr=1&q=75&vib=3&con=3&usm=15&cs=srgb&bg=F4F4F3&ixlib=js-2.2.1&s=76105b69ccf4ff2a7c162bbf48de3e12","id":null,"dimRatio":50,"focalPoint":{"x":"0.90","y":"0.49"},"minHeight":100,"minHeightUnit":"vh","contentPosition":"top right","isDark":false,"align":"full","style":{"spacing":{"padding":{"top":"0px","bottom":"0px","right":"120px"}}}} -->
<div class="wp-block-cover alignfull is-light has-custom-content-position is-position-top-right" style="padding-top:0px;padding-right:120px;padding-bottom:0px;min-height:100vh"><span aria-hidden="true" class="wp-block-cover__background has-background-dim"></span><img class="wp-block-cover__image-background" alt="" src="https://img.rawpixel.com/s3fs-private/rawpixel_images/website_content/pd36-6-s66-59987_orig_1.jpg?w=1200&amp;h=1200&amp;fit=clip&amp;crop=default&amp;dpr=1&amp;q=75&amp;vib=3&amp;con=3&amp;usm=15&amp;cs=srgb&amp;bg=F4F4F3&amp;ixlib=js-2.2.1&amp;s=76105b69ccf4ff2a7c162bbf48de3e12" style="object-position:90% 49%" data-object-fit="cover" data-object-position="90% 49%" /><div class="wp-block-cover__inner-container"><!-- wp:columns {"style":{"spacing":{"blockGap":"0px","padding":{"top":"120px"}}},"backgroundColor":"white"} -->
<div class="wp-block-columns has-white-background-color has-background" style="padding-top:120px"><!-- wp:column -->
<div class="wp-block-column"><!-- wp:heading {"level":1,"style":{"typography":{"fontStyle":"normal","fontWeight":"900","fontSize":"169px"}},"textColor":"black"} -->
<h1 class="has-black-color has-text-color" style="font-size:169px;font-style:normal;font-weight:900">404</h1>
<!-- /wp:heading -->

<!-- wp:heading {"textColor":"black"} -->
<h2 class="has-black-color has-text-color">We couldn't find the page you are looking for</h2>
<!-- /wp:heading -->

<!-- wp:buttons {"style":{"spacing":{"margin":{"top":"4em"}}}} -->
<div class="wp-block-buttons" style="margin-top:4em"><!-- wp:button -->
<div class="wp-block-button"><a class="wp-block-button__link wp-element-button">ホームページに戻る</a></div>
<!-- /wp:button --></div>
<!-- /wp:buttons -->

<!-- wp:spacer {"height":"536px"} -->
<div style="height:536px" aria-hidden="true" class="wp-block-spacer"></div>
<!-- /wp:spacer --></div>
<!-- /wp:column --></div>
<!-- /wp:columns --></div></div>
<!-- /wp:cover -->