WordPressでカスタム投稿タイプの記事一覧を実際のページに表示させる1番基本のソースコード【2024年版】

<?php
    $post_type = get_post_type();
    $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;
    $args = array(
        'paged' => $paged,
        'post_type' => $post_type,
    );
    $the_query = new WP_Query($args);

    if($the_query->have_posts()): ?>
        <div class="article__list">
            <?php while($the_query->have_posts()) :$the_query->the_post();?>
                <article class="article__item">
                    <a href="<?php the_permalink(); ?>">
                        <div class="article__img">
                            <img src="<?php get_the_post_thumbnail_url(); ?>" alt="<?php the_title(); ?>">
                        </div>
                        <div class="article__content">
                            <time datetime="<?php the_time('Y-m-d'); ?>"><?php the_time('Y.m.d'); ?></time>
                            <p class="article__ttl"><?php the_title(); ?></p>
                            <div class="article-readmore">
                                <span>記事を読む</span>
                                <span class="arrow-right icon-circle"></span>
                            </div>
                        </div>
                    </a>
                </article>
            <?php endwhile; ?>
        </div>
    <?php endif;
    wp_reset_postdata();
?>
<div class="archive-pagination">
    <?php 
        $args = array(
            'mid_size' => 1,
            'prev_text' => '<',
            'next_text' => '>',
        );
        echo paginate_links($args);
    ?>
</div>

.article__list {
    display: flex;
    flex-wrap: wrap;
    column-gap: 4%;
    row-gap: 24px;
}
.article__item {
    width: 48%;
    border-radius: 10px;
    box-shadow: 0 0 3px rgba(0, 0, 0, 0.12);
    transition: all 0.3s ease-in-out;
    cursor: pointer;
}
.article__item:hover {
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.24);
    transform: translateY(-3px);
}
.article__img {
    position: relative;
}
.article__img::before {
    content: "";
    display: block;
    padding-top: 75%;
}
.article__img img {
    width: 100%;
    height: auto;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}
.article__content {
    position: relative;
    font-size: 14px;
    padding: 15px;
    background-color: #fff;
}
.article-readmore {
    position: relative;
    color: #fff;
    background-color: #333;
    font-size: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
    line-height: 40px;
}
.icon-circle {
    display: inline-block;
    width: 25px;
    height: 25px;
    position: absolute;
    top: 50%;
    right: 0;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    background-color: #fff;
}
.arrow-right::before {
    content: "";
    width: 10px;
    height: 10px;
    position: absolute;
    top: 50%;
    right: 6px;
    border-top: 2px solid #191919;
    border-right: 2px solid #191919;
    transform: translate(0, -50%) rotate(45deg);
}
.arrow-right::after {
    content: "";
    width: 15px;
    height: 2px;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #191919;
}

$args = array(
    'paged' => $paged,
    'post_type' => $post_type,
    'posts_per_page' => 12,
);
$the_query = new WP_Query($args);