<?php if ( $wp_query->max_num_pages > 1 ) : ?>
<div class="archive-nav clear">
<?php echo get_next_posts_link( __( 'Older posts', 'fukasawa' ) . ' →' ); ?>
<?php echo get_previous_posts_link( '← ' . __( 'Newer posts', 'fukasawa' ) ); ?>
</div><!-- .archive-nav -->
<?php endif; ?>