/* 読み物・一覧専用。共通シェルや固有ツールへセレクタを漏らさない。 */
.content-layout {
    --content-ad-top: 77px; /* sticky header: 60px + border 1px + gap 16px */
    box-sizing: border-box;
    display: grid;
    grid-template-columns: minmax(0, 1fr);
    gap: 32px;
    width: 100%;
    max-width: 1200px;
    margin-inline: auto;
    padding: 24px 24px 48px;
    flex: 1;
}

.content-layout__main,
.content-layout__header,
.content-layout .content-sidebar {
    min-width: 0;
    overflow-wrap: anywhere;
}

.content-layout__main > .container {
    padding-inline: 0;
    max-width: none;
}

.content-layout__header > .article-wrapper {
    width: 100%;
    max-width: 950px;
    margin-inline: auto;
    padding-inline: 0;
}

.content-layout__main > .article-wrapper {
    /* 従来の740px（左右24px込み）と同じ本文の最大幅。 */
    max-width: 692px;
    padding-inline: 0;
}

.content-layout__header .article-header {
    margin-bottom: 0;
    text-align: left;
}
.content-layout__header .article-title { text-align: left; }
.content-layout__header .article-meta { justify-content: flex-start; }

.content-layout__main > .tool-directory--index { padding-top: 0; }
.content-layout__main > .tool-directory--index > .section:first-child { padding-top: 0; }
.content-layout__main > .tool-directory--category { padding-top: 0; }
.content-layout__main > .tool-directory--category > .section:first-child { padding-top: 0; }
.content-layout__main > .blog-index > .category-section { padding-top: 0; }
.content-layout__header > .category-page-header { padding: 0 0 28px; margin-bottom: 0; }

.content-layout__main :is(img, video, iframe) { max-width: 100%; }
.content-layout__main :is(img, video) { height: auto; }
.content-layout__main pre { max-width: 100%; overflow-x: auto; }
.content-layout__main table {
    display: block;
    max-width: 100%;
    overflow-x: auto;
}
.content-layout__main :is(.posts-grid, .related-posts-grid) {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr));
}
.content-layout__main .blog-card-body { min-width: 0; }
.content-layout__main .blog-card.featured { flex-direction: column; }
.content-layout__main .blog-card.featured .blog-card-banner {
    width: 100%;
    min-width: 0;
    height: 140px;
    min-height: 0;
}
.content-layout__main .category-page-title { flex-wrap: wrap; }

.content-layout .content-sidebar {
    position: static;
    align-self: stretch;
}
.content-layout .content-sidebar__sections {
    display: grid;
    gap: 24px;
}
.content-layout .content-sidebar__section {
    min-width: 0;
    padding: 20px;
    border: 1px solid var(--border);
    border-radius: 12px;
    background: var(--surface);
}
.content-layout .content-sidebar h2 {
    margin: 0 0 12px;
    font-size: 1rem;
    line-height: 1.5;
    color: var(--heading);
}
.content-layout .content-sidebar__links { list-style: none; margin: 0; padding: 0; }
.content-layout .content-sidebar__links li + li { border-top: 1px solid var(--border); }
.content-layout .content-sidebar__links a {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 12px;
    padding-block: 10px;
    font-size: 0.875rem;
}
.content-layout .content-sidebar a:hover { text-decoration: underline; }
.content-layout .content-sidebar__count { flex-shrink: 0; color: var(--text-muted); font-size: 0.75rem; }
.content-layout .content-sidebar__more { display: inline-block; margin-top: 12px; font-size: 0.875rem; }

.content-layout .content-sidebar__ad {
    width: 300px;
    max-width: 100%;
}
.content-layout .content-sidebar__ad:has(> *) {
    margin: 0 auto 24px;
}
.content-layout .content-sidebar__ad:not(:has(> *)) { display: none; }
@media (max-width: 1023px) {
    .content-layout .content-sidebar__ad:has(> .content-sidebar-ad[data-provider='rakuten'][data-sp-ready='false']:not([data-initial-viewport])) { display: none; }
}
@media (min-width: 1024px) {
    .content-layout .content-sidebar__ad:has(> .content-sidebar-ad[data-provider='rakuten'][data-pc-ready='false']:not([data-initial-viewport])) { display: none; }
}

@media (min-width: 1024px) {
    .content-layout { grid-template-columns: minmax(0, 1fr) 300px; }
    .content-layout--has-header .content-layout__header { grid-column: 1 / -1; grid-row: 1; }
    .content-layout--has-header .content-layout__main { grid-column: 1; grid-row: 2; }
    .content-layout--has-header .content-sidebar { grid-column: 2; grid-row: 2; }
    /* 広告だけをgrid行とsidebarの自然な終端まで追従させる。
       下のsectionsは通常フローで通過するため、広告面を不透明にして文字との混在を防ぐ。 */
    @media (min-height: 600px) {
        .content-layout .content-sidebar__ad--sticky:has(> *) {
            position: sticky;
            top: var(--content-ad-top);
            z-index: 1;
            background: var(--surface);
        }
    }
}

@media (max-width: 600px) {
    .content-layout { padding: 16px 16px 32px; }
}
/* 320pxでも300pxのcreativeを縮小せず収める。 */
@media (max-width: 331px) {
    .content-layout { padding-inline: 10px; }
}