/* お知らせだけを白背景に固定。共有の詳細ページの配色は変更しない。 */
.detail-body.news-page { --detail-navy: #ffffff; --detail-text: #142335; --detail-muted: #526173; --detail-faint: #526173; --detail-line: #d9e1e8; --header-shade: #ffffff; --header-link: #142335; color-scheme: light; background: #ffffff; color: #142335; }
.news-page header { border-bottom: 1px solid #e4e9ee; }
.news-page header .logo-icon, .news-page header .logo-wordmark { filter: none; }
.news-page .news-main { padding-block: clamp(140px, 16vw, 210px) 100px; min-height: 72svh; background: #ffffff; }
.news-page .news-main::before { display: none; }
.news-shell { width: min(100%, 1000px); margin: 0 auto; padding-inline: clamp(24px, 6vw, 80px); }
.news-page h1 { margin-bottom: 32px; color: #142335; font-size: clamp(2rem, 3.5vw, 2.6rem); line-height: 1.4; overflow-wrap: anywhere; }
.news-empty { padding: 32px 0; border-block: 1px solid #d9e1e8; color: #526173; }
.news-list { list-style: none; padding: 0; margin: 0; }
.news-list li { border-top: 1px solid #d9e1e8; }
.news-list li:last-child { border-bottom: 1px solid #d9e1e8; }
.news-list a { display: grid; grid-template-columns: 110px minmax(0,1fr) 24px; gap: 24px; align-items: start; padding: 28px 0; color: #142335; text-decoration: none; line-height: 1.8; }
.news-list a:hover .news-list__title { text-decoration: underline; text-underline-offset: 5px; }
.news-list time, .news-list__date, .news-date { font-family: 'Inter', 'IBM Plex Sans JP', sans-serif; font-size: .86rem; color: #526173; }
.news-list__title { overflow-wrap: anywhere; }
.news-date { display: block; margin: 0 0 20px; }
.news-body { margin-top: 48px; line-height: 2.1; overflow-wrap: anywhere; }
.news-body p + p { margin-top: 24px; }
.news-body a, .news-back { color: #155682; text-underline-offset: 5px; }
.news-back { display: inline-block; margin-top: 64px; }
.news-page a:focus-visible { outline: 2px solid #155682; outline-offset: 5px; }
@media (max-width: 600px) { .news-list a { grid-template-columns: minmax(0,1fr) 24px; gap: 8px 16px; } .news-list time, .news-list__date { grid-column: 1 / -1; } }

.news-preview-note { margin: 0 0 24px; padding: 18px 20px; border: 1px solid #d9e1e8; border-left: 3px solid #155682; background: #ffffff; color: #526173; line-height: 1.9; }
.news-list__date { display: block; }
.detail-body.news-page footer { background: #ffffff; color: #142335; border-top: 1px solid #d9e1e8; }
.detail-body.news-page footer .footer-links h3 { color: #526173; }
.detail-body.news-page footer .footer-links a { color: #24364b; background-image: linear-gradient(#24364b, #24364b); }
.detail-body.news-page footer .footer-links a:hover { color: #155682; }
.detail-body.news-page footer .copyright { border-color: #d9e1e8; color: #526173; }