.seo-article-page { --seo-header-height: 85px; font-weight: 400; color: #273744; }
.seo-article-page .top_h { height: var(--seo-header-height); margin: 0; }
.seo-article-page .header { height: auto; min-height: 85px; }
.seo-article-page .header .top { min-height: 74px; }
.seo-article-page .header .logo01 { height: 70px; flex-shrink: 0; }
.seo-article-page .header .logo01 img { object-fit: contain; }
.seo-article-page .fixed_right { display: none; }
.seo-article { max-width: 1224px; padding: 44px 32px 64px; margin: 0 auto; font-weight: 400; }
.seo-article *, .seo-article *::before, .seo-article *::after { box-sizing: border-box; }
.seo-breadcrumb { color: #657683; font-size: 13px; line-height: 1.8; margin-bottom: 30px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.seo-breadcrumb a { color: #123a5f; display: inline-flex; align-items: center; min-height: 44px; }
.seo-article-heading { border-bottom: 1px solid #dce3e8; padding-bottom: 28px; margin-bottom: 36px; }
.seo-article .seo-article-heading h1 { width: auto; max-width: 100%; margin: 0 0 18px; font-size: 38px; line-height: 1.5; font-weight: 700; color: #123a5f; text-wrap: wrap; overflow-wrap: anywhere; }
.seo-article .seo-article-heading p { width: auto; max-width: 100%; font-size: 17px; line-height: 1.9; font-weight: 400; color: #637480; margin: 16px 0 0; overflow-wrap: anywhere; }
.seo-article-heading time { color: #657683; font-size: 14px; }
.seo-article-layout { display: grid; grid-template-columns: minmax(0,760px) minmax(0,250px); gap: 80px; align-items: start; }
.seo-article-layout.without-toc { display: block; }
.seo-article-layout.without-toc .seo-article-body { max-width: 760px; }
.seo-article-body { grid-column: 1; grid-row: 1; min-width: 0; font-size: 17px; line-height: 1.95; font-weight: 400; overflow-wrap: anywhere; }
.seo-article-body h2, .seo-article-body h3, .seo-article-body h4, .seo-article-body h5, .seo-article-body h6 { width: auto; max-width: 100%; color: #123a5f; font-weight: 700; line-height: 1.6; scroll-margin-top: calc(var(--seo-header-height) + 20px); }
.seo-article-body h2 { font-size: 25px; margin: 36px 0 16px; }
.seo-article-body h3 { font-size: 21px; margin: 28px 0 14px; }
.seo-article-body h4, .seo-article-body h5, .seo-article-body h6 { font-size: 18px; margin: 24px 0 12px; }
.seo-article-body > :first-child { margin-top: 0; }
.seo-article-body p { margin: 0 0 20px; }
.seo-article-body ul, .seo-article-body ol { padding-left: 26px; margin: 0 0 24px; }
.seo-article-body li { padding-left: 4px; margin: 7px 0; }
.seo-article-body img { max-width: 100%; height: auto; display: block; margin: 24px auto; }
.seo-article-body figure { margin: 24px 0; }
.seo-article-body figcaption { font-size: 14px; color: #637480; text-align: center; }
.seo-article-body blockquote { border-left: 3px solid #d8a12b; padding: 12px 24px; margin: 24px 0; background: #f5f7f9; }
.seo-article-body a { color: #123a5f; text-decoration: underline; text-underline-offset: 4px; }
.seo-table-scroll { overflow-x: auto; max-width: 100%; margin: 24px 0; }
.seo-article-body table { border-collapse: collapse; min-width: 100%; font-size: 15px; }
.seo-article-body th, .seo-article-body td { padding: 14px; border-bottom: 1px solid #dce3e8; min-width: 100px; }
.seo-article-body th { background: #f1f5f8; color: #123a5f; }
.seo-article-body pre { max-width: 100%; overflow-x: auto; padding: 18px; background: #f1f5f8; font-size: 14px; white-space: pre; }
.seo-article-body hr { border: 0; border-top: 1px solid #dce3e8; margin: 30px 0; }
.seo-toc { grid-column: 2; grid-row: 1; position: sticky; top: calc(var(--seo-header-height) + 24px); max-height: calc(100vh - var(--seo-header-height) - 48px); overflow-y: auto; min-width: 0; border-top: 3px solid #d8a12b; padding-top: 10px; }
.seo-toc summary { color: #123a5f; font-weight: 700; cursor: pointer; padding: 12px 0; min-height: 44px; }
.seo-toc ol { margin: 0; padding: 0; list-style: none; }
.seo-toc a { display: block; padding: 10px 0; min-height: 44px; color: #596f80; font-size: 14px; font-weight: 400; line-height: 1.7; overflow-wrap: anywhere; }
.seo-toc .seo-toc-sub a { padding-left: 16px; }
.seo-contact { margin: 40px 0 0; border-top: 1px solid #dce3e8; padding-top: 26px; display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.seo-contact strong { font-size: 19px; color: #123a5f; }
.seo-contact .seo-contact-link { background: #d8a12b; color: #102e49; padding: 14px 24px; text-align: center; font-weight: 700; white-space: nowrap; text-decoration: none; min-height: 44px; }
.seo-related { margin-top: 44px; border-top: 1px solid #dce3e8; padding-top: 24px; }
.seo-related h2 { font-size: 23px; color: #123a5f; font-weight: 700; margin-bottom: 12px; }
.seo-related-links { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 0 32px; }
.seo-related-links a { font-size: 16px; font-weight: 400; line-height: 1.7; border-bottom: 1px solid #dce3e8; padding: 18px 0; color: #123a5f; overflow-wrap: anywhere; min-height: 44px; }
.seo-article a:focus-visible, .seo-article summary:focus-visible, .seo-table-scroll:focus-visible { outline: 3px solid #d8a12b; outline-offset: 4px; }
.seo-article a:hover { text-decoration: underline; }
.seo-error-page { min-height: 45vh; }
.seo-error-link { display: inline-flex; padding: 14px 24px; margin-top: 24px; background: #123a5f; color: #fff; }
@media (max-width:1200px) { .seo-article-layout { grid-template-columns: minmax(0,1fr) 230px; gap: 45px; } }
@media (max-width:900px) {
    .seo-article { padding: 28px 24px 44px; }
    .seo-breadcrumb { margin-bottom: 24px; }
    .seo-article .seo-article-heading h1 { font-size: 26px; line-height: 1.55; }
    .seo-article .seo-article-heading p { font-size: 16px; }
    .seo-article-heading { padding-bottom: 24px; margin-bottom: 24px; }
    .seo-article-layout { display: flex; flex-direction: column; gap: 28px; }
    .seo-toc { position: static; max-height: none; width: 100%; border-bottom: 1px solid #dce3e8; }
    .seo-article-body { width: 100%; font-size: 16px; line-height: 1.9; }
    .seo-article-body h2 { font-size: 22px; }
    .seo-contact { display: block; }
    .seo-contact .seo-contact-link { display: block; margin-top: 18px; }
    .seo-related-links { grid-template-columns: 1fr; }
}
@media (prefers-reduced-motion:reduce) { .seo-article * { scroll-behavior: auto; transition: none; } }