.p-single__layout { display: grid; padding-block: 28px 72px; gap: 48px; }
.p-single__main { display: block; width: 100%; min-width: 0; }
.p-single__main .p-article-hero,
.p-single__main .p-article-hero.has-eyecatch { display: flex; width: 100%; padding-top: 0; align-items: stretch; flex-direction: column; }
.p-article-header { min-width: 0; padding-top: 0; }
.p-article-header__top { display: flex; margin-bottom: 8px; align-items: center; gap: 8px 14px; flex-wrap: wrap; }
.p-article-header h1 { margin: 8px 0 10px; font-size: clamp(27px, 6.5vw, 36px); text-align: left; }
.p-article-header__lead { margin: 14px 0 0; font-size: 16px; text-align: left; }
.p-article-meta { display: flex; gap: 6px 16px; flex-wrap: wrap; color: var(--color-secondary); font-size: 12px; }
.p-article-eyecatch { width: min(100%, 680px); margin: 22px auto 0; }
.p-article-eyecatch img { width: 100%; height: auto; max-height: 380px; object-fit: cover; border-radius: var(--radius); }
.p-article-intro { display: grid; grid-template-columns: minmax(0, 1fr); margin-bottom: 36px; gap: 18px; }
.p-article-intro > div { width: 100%; height: auto; padding: 22px; overflow: visible; background: var(--color-bg-ivory); border-radius: var(--radius); }
.p-article-intro > div + div { background: var(--color-bg-green); }
.p-article-intro h2 { margin-bottom: 10px; color: var(--color-primary-dark); font-size: 18px; }
.p-article-intro p { margin: 0; overflow: visible; overflow-wrap: anywhere; }
.p-article-toc { margin: 40px 0 48px; color: var(--color-text); }
.p-article-toc__details { overflow: hidden; background: var(--color-white); border: 1px solid var(--color-border); border-radius: 10px; }
.p-article-toc summary { display: flex; min-height: 52px; padding: 12px 18px; align-items: center; justify-content: space-between; color: var(--color-primary-dark); cursor: pointer; font-size: 18px; font-weight: 700; list-style: none; }
.p-article-toc summary::-webkit-details-marker { display: none; }
.p-article-toc__toggle::before { content: "開く"; font-size: 12px; font-weight: 600; }
.p-article-toc details[open] .p-article-toc__toggle::before { content: "閉じる"; }
.p-article-toc__list { padding: 2px 20px 20px; margin: 0; list-style: none; }
.p-article-toc__list > li + li { margin-top: 13px; }
.p-article-toc a { display: flex; gap: 7px; overflow-wrap: anywhere; color: var(--color-text); line-height: 1.65; text-decoration: none; }
.p-article-toc a:hover { text-decoration: underline; }
.p-article-toc__number { flex: 0 0 auto; color: var(--color-primary); font-weight: 700; }
.p-article-toc ul { padding: 6px 0 0 28px; margin: 0; list-style: none; }
.p-article-toc ul li + li { margin-top: 5px; }
.p-article-toc ul a { color: var(--color-secondary); font-size: 14px; }
.p-article-toc ul a::before { content: "・"; flex: 0 0 auto; }
.p-post-end, .p-author-box { padding: 24px; margin-top: 56px; background: var(--color-bg-green); border-radius: var(--radius); }
.p-post-end h2, .p-author-box h2 { font-size: 23px; }
.p-author-box { background: var(--color-bg-ivory); }
.p-category-cta { margin-top: 28px; text-align: center; }
.p-single__aside { display: none; }
.p-side-card { padding: 20px; border: 1px solid var(--color-border); border-radius: var(--radius); }
.p-side-card h2 { margin-bottom: 12px; color: var(--color-primary-dark); font-size: 15px; }
.p-side-card a { font-size: 14px; font-weight: 600; }
.p-side-toc ol, .p-side-toc ul, .p-side-related ul { padding: 0; margin: 0; list-style: none; }
.p-side-toc > ol { max-height: 42vh; overflow: auto; }
.p-side-toc > ol > li + li, .p-side-related li + li { padding-top: 10px; margin-top: 10px; border-top: 1px solid var(--color-border-light); }
.p-side-toc li { line-height: 1.55; }
.p-side-toc ul { padding: 6px 0 0 12px; }
.p-side-toc ul li + li { margin-top: 5px; }
.p-side-toc ul a { color: var(--color-secondary); font-size: 12px; font-weight: 500; }
.p-side-toc ul a::before { content: "・"; }
.p-side-related a { display: block; line-height: 1.6; }
.p-article-cta { padding: 24px; margin-top: 56px; background: var(--color-bg-green); border: 1px solid var(--color-border); border-radius: var(--radius); }
.p-article-cta h2 { margin-bottom: 10px; font-size: 22px; }
.p-article-cta .c-button { margin-top: 8px; }
.p-related-posts { margin-top: 56px; }
.p-related-posts > h2 { margin-bottom: 20px; font-size: 24px; }
.p-related-posts__grid { display: grid; gap: 18px; }
.p-author-profile { display: grid; padding: 24px; margin-top: 56px; gap: 18px; background: var(--color-bg-ivory); border: 1px solid var(--color-border-light); border-radius: var(--radius); }
.p-author-profile__avatar img { display: block; border-radius: 50%; }
.p-author-profile__label { margin: 0 0 3px; color: var(--color-primary); font-size: 12px; font-weight: 700; }
.p-author-profile h2 { margin-bottom: 4px; font-size: 21px; }
.p-author-profile__title { margin-bottom: 8px; color: var(--color-secondary); font-size: 14px; font-weight: 600; }
.p-author-profile__links { display: flex; margin-top: 10px; gap: 16px; flex-wrap: wrap; font-size: 14px; font-weight: 600; }
.p-post-navigation { display: grid; margin-top: 44px; gap: 12px; }
.p-post-navigation a { display: flex; min-width: 0; padding: 18px; gap: 5px; flex-direction: column; border: 1px solid var(--color-border); border-radius: 8px; color: inherit; text-decoration: none; overflow-wrap: anywhere; }
.p-post-navigation span { color: var(--color-primary); font-size: 12px; font-weight: 700; }
.p-post-navigation strong { line-height: 1.6; }
@media (min-width: 768px) {
	.p-article-toc summary { cursor: default; }
	.p-article-toc__toggle { display: none; }
	.p-article-toc__list { padding: 8px 24px 24px; }
	.p-related-posts__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.p-author-profile { grid-template-columns: 96px minmax(0, 1fr); }
	.p-post-navigation { grid-template-columns: repeat(2, minmax(0, 1fr)); }
	.p-post-navigation__next { grid-column: 2; text-align: right; }
}
@media (min-width: 1024px) {
	.p-single__layout { grid-template-columns: minmax(0, 760px) 280px; padding-top: 18px; align-items: start; justify-content: center; }
	.p-single__main { grid-column: 1; grid-row: 1; }
	.p-single__aside { display: flex; position: sticky; grid-column: 2; grid-row: 1; top: 104px; height: max-content; gap: 16px; flex-direction: column; }
	.p-editor-content > .p-article-toc { display: none; }
	.p-article-header__lead { font-size: 17px; }
}