themes-wordpress/masu/parts/header.html

<!-- wp:group {"style":{"spacing":{"padding":{"top":"max(4vw, 32px)","bottom":"max(2vw, 32px)"}}},"className":"gapless-group","layout":{"inherit":"true","type":"constrained"}} -->
<div class="wp-block-group gapless-group" style="padding-top:max(4vw, 32px);padding-bottom:max(2vw, 32px)"><!-- wp:group {"align":"wide","style":{"spacing":{"blockGap":"2rem"}},"layout":{"type":"flex","justifyContent":"space-between"}} -->
<div class="wp-block-group alignwide"><!-- wp:group {"style":{"spacing":{"blockGap":"2rem"}},"layout":{"type":"flex"}} -->
<div class="wp-block-group"><!-- wp:site-logo /-->

<!-- wp:site-title {"style":{"elements":{"link":{"color":{"text":"var:preset|color|foreground"}}}}} /--></div>
<!-- /wp:group -->

<!-- wp:navigation {"overlayBackgroundColor":"background","overlayTextColor":"primary","layout":{"type":"flex","setCascadingProperties":true,"justifyContent":"right","orientation":"horizontal"},"style":{"spacing":{"margin":{"top":"0"},"blockGap":"1.41em"}}} /--></div>
<!-- /wp:group --></div>
<!-- /wp:group -->