index.php

<?php
get_header();

$notice_query = new WP_Query( [
	'category_name'  => 'notice',
	'posts_per_page' => 5,
] );

$new_book_query = new WP_Query( [
	'meta_key'       => 'published_date',
	'orderby'        => 'meta_value',
	'order'          => 'DESC',
	'post_type'      => 'book',
	'posts_per_page' => 5,
] );

$mytory_books_query = new WP_Query( [
	'post_type'      => 'book',
	'tax_query'      => [
		[
			'taxonomy' => 'book_publisher',
			'field'    => 'slug',
			'terms'    => 'mytory북스',
		]
	],
	'posts_per_page' => 5,
	'meta_key'       => 'published_date',
	'orderby'        => 'meta_value',
] );

require 'templates/main-slider.php';
?>
<div class="wrapper">
    <div class="layout-2-column">
        <div class="layout-item">
            <h2>신간</h2>
            <ul>
				<?php
				if ( $new_book_query->have_posts() ) {
					while ( $new_book_query->have_posts() ) {
						$new_book_query->the_post(); ?>
                        <li>
                            <a href="<?php the_permalink() ?>">
								<?php the_title(); ?>
                            </a>
                        </li>
						<?php
					}
					wp_reset_postdata();
				} ?>
            </ul>
        </div>

        <div class="layout-item">
            <h2>공지사항</h2>
            <ul>
				<?php
				if ( $notice_query->have_posts() ) {
					while ( $notice_query->have_posts() ) {
						$notice_query->the_post(); ?>
                        <li>
                            <a href="<?php the_permalink() ?>">
								<?php the_title(); ?>
                            </a>
                        </li>
						<?php
					}
					wp_reset_postdata();
				} ?>
            </ul>
        </div>

        <div class="layout-item">
            <h2>Mytory북스의 책들</h2>
            <ul>
				<?php
				if ( $mytory_books_query->have_posts() ) {
					while ( $mytory_books_query->have_posts() ) {
						$mytory_books_query->the_post(); ?>
                        <li>
                            <a href="<?php the_permalink() ?>">
								<?php the_title(); ?>
                            </a>
                        </li>
						<?php
					}
					wp_reset_postdata();
				} ?>
            </ul>
        </div>
    </div>
</div>

<?php get_footer() ?>