.blog-shell { width: min(1160px, calc(100% - 48px)); margin-inline: auto; }
.apracom-blog-invite { padding: 76px 0 64px; background: #fff; color: #002b49; scroll-margin-top: 90px; }
.blog-invite-heading { margin-bottom: 34px; }
.blog-invite-heading h2 { font-size: clamp(1.9rem, 3vw, 2.6rem); line-height: 1.2; max-width: 580px; letter-spacing: -.025em; }
.blog-invite-heading h2 span { color: #007780; }
.blog-feature { display: grid; grid-template-columns: .9fr 1.1fr; background: #fff; border-radius: 16px; overflow: hidden; }
.blog-feature-image { display: grid; place-items: center; background: #e0eef2; padding: 28px; }
.blog-feature-image img { display: block; width: 100%; max-width: 440px; height: auto; transition: transform 220ms ease-out; }
.blog-feature-image:hover img { transform: translateY(-4px); }
.blog-feature-copy { padding: clamp(26px, 4vw, 52px); align-self: center; }
.blog-feature-copy h3 { font-size: clamp(1.4rem, 2.2vw, 1.85rem); line-height: 1.35; letter-spacing: -.02em; margin: 0 0 18px; }
.blog-feature-copy h3 a { color: #002b49; text-decoration: none; }
.blog-feature-copy h3 a:hover { text-decoration: underline; text-underline-offset: 5px; }
.blog-feature-copy p { color: #405c69; line-height: 1.75; margin: 0 0 26px; }
a.blog-button { display: inline-flex; align-items: center; justify-content: center; gap: 22px; min-height: 48px; padding: 13px 22px; border-radius: 8px; background: #007780; color: #fff; text-decoration: none; font-weight: 600; line-height: 1.5; transition: background-color 160ms ease-out; }
a.blog-button:hover { background: #005e66; }
.blog-text-link { display: inline-flex; align-items: center; gap: 14px; min-height: 44px; color: #006b74; font-weight: 600; text-decoration: underline; text-underline-offset: 5px; }
.apracom-blog-page #main-header { background: #002b49; }
.apracom-blog-page #main-header.scrolled { background: #fff; }
.blog-index, .blog-article { padding-top: 126px; padding-bottom: 88px; color: #002b49; }
.blog-breadcrumb { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; font-size: .85rem; line-height: 1.65; color: #405c69; margin-bottom: 38px; }
.blog-breadcrumb a { display: inline-flex; align-items: center; min-height: 32px; color: #006b74; text-underline-offset: 4px; }
.blog-index-heading { max-width: 860px; margin-bottom: 46px; }
.blog-index-heading h1 { font-size: clamp(2rem, 4vw, 3.3rem); line-height: 1.18; letter-spacing: -.03em; margin-bottom: 0; }
.blog-index-heading p { font-size: 1.1rem; line-height: 1.8; max-width: 710px; color: #405c69; }
.blog-line { scroll-margin-top: 100px; }
.blog-line-heading { display: flex; align-items: center; gap: 20px; margin-bottom: 22px; }
.blog-line-heading::after { content: ''; flex: 1; height: 1px; background: #d7e5e9; }
.blog-line-heading h2 { margin: 0; color: #002b49; font-size: clamp(1.45rem, 2.5vw, 2rem); line-height: 1.25; letter-spacing: -.02em; }
.blog-index .blog-feature { border: 1px solid #d7e5e9; }
.blog-article-intro { max-width: 990px; padding-bottom: 40px; }
.blog-article-intro h1 { font-size: clamp(2rem, 3.8vw, 3.2rem); line-height: 1.2; letter-spacing: -.03em; margin: 0 0 26px; }
.blog-article-intro h1 span { color: #007780; }
.blog-authors { margin-top: 30px; padding-top: 26px; }
.blog-authors h2 { margin: 0 0 18px; color: #405c69; font-size: .85rem; font-weight: 600; letter-spacing: .02em; }
.blog-author-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 22px 38px; max-width: 780px; }
.blog-author { display: grid; grid-template-columns: 72px minmax(0, 1fr); align-items: center; gap: 15px; min-width: 0; }
.blog-author img { display: block; width: 72px; height: 90px; border-radius: 10px; object-fit: cover; background: #edf5f6; }
.blog-author strong, .blog-author span { display: block; }
.blog-author strong { margin-bottom: 3px; color: #002b49; font-size: .98rem; line-height: 1.4; }
.blog-author span { color: #405c69; font-size: .8rem; line-height: 1.5; }
.blog-author .blog-author-role { color: #007780; font-weight: 600; }
.blog-reading-layout { display: grid; grid-template-columns: 220px minmax(0, 740px); gap: 66px; padding-top: 48px; align-items: start; }
.blog-toc { position: sticky; top: 102px; }
.blog-toc p { font-weight: 700; margin-bottom: 14px; font-size: .95rem; }
.blog-toc a { display: flex; align-items: center; min-height: 44px; padding: 9px 0; color: #405c69; font-size: .87rem; text-decoration: none; border-bottom: 1px solid #d7e5e9; line-height: 1.5; }
.blog-toc a:hover { color: #006b74; text-decoration: underline; text-underline-offset: 4px; }
.blog-prose { min-width: 0; color: #233f4d; font-size: 1.02rem; line-height: 1.85; }
.blog-prose p { margin-bottom: 20px; }
.blog-prose h2 { color: #002b49; font-size: clamp(1.5rem, 2.4vw, 1.95rem); line-height: 1.3; letter-spacing: -.02em; margin: 48px 0 20px; }
.blog-prose section { scroll-margin-top: 110px; }
.blog-authorities { margin: 26px 0; }
.blog-authorities > div { padding: 22px 0; border-top: 1px solid #d7e5e9; }
.blog-authorities dt { color: #006b74; font-weight: 700; margin-bottom: 8px; }
.blog-authorities dd { margin: 0; }
.blog-benefit-list { padding-left: 22px; margin-bottom: 26px; }
.blog-benefit-list li { padding-left: 5px; margin-bottom: 15px; }
.blog-benefit-list li::marker { color: #007780; }
.blog-product { margin: 30px 0 0; padding: 30px; background: #edf5f6; border-radius: 12px 12px 0 0; text-align: center; }
.blog-product img { width: min(100%, 450px); height: auto; display: block; margin: auto; }
.blog-product figcaption { color: #405c69; font-size: .82rem; line-height: 1.6; max-width: 420px; margin: 12px auto 0; }
.blog-targets { display: flex; flex-wrap: wrap; list-style: none; gap: 8px 22px; padding: 20px 26px; margin: 0 0 26px; background: #002b49; color: #fff; border-radius: 0 0 12px 12px; font-size: .88rem; }
.blog-table-wrap { margin: 28px 0; }
.blog-facts { border-collapse: collapse; width: 100%; font-size: .94rem; }
.blog-facts caption { text-align: left; color: #002b49; font-weight: 700; padding-bottom: 14px; }
.blog-facts th, .blog-facts td { padding: 16px 14px; border-bottom: 1px solid #d7e5e9; text-align: left; vertical-align: top; }
.blog-facts th { width: 38%; color: #002b49; font-weight: 600; }
.blog-facts tr:nth-child(odd) { background: #f2f7f8; }
.blog-shell :focus-visible { outline: 3px solid #007780; outline-offset: 5px; }
.blog-shell .blog-button:focus-visible { outline-color: #002b49; }
.blog-shell ::selection { background: #c8e8ea; color: #002b49; }
@media (max-width: 900px) {
    .blog-reading-layout { grid-template-columns: 1fr; gap: 30px; }
    .blog-toc { position: static; display: flex; flex-wrap: wrap; gap: 0 20px; padding-bottom: 22px; border-bottom: 1px solid #d7e5e9; }
    .blog-toc p { width: 100%; }
    .blog-toc a { border: 0; text-decoration: underline; text-underline-offset: 4px; }
}
@media (max-width: 640px) {
    .blog-shell { width: calc(100% - 36px); }
    .apracom-blog-invite { padding: 50px 0 40px; }
    .blog-feature { grid-template-columns: 1fr; }
    .blog-feature-image { padding: 20px; }
    .blog-feature-image img { max-width: 290px; }
    .blog-feature-copy { padding: 26px 22px; }
    .blog-index, .blog-article { padding-top: 112px; padding-bottom: 56px; }
    .blog-breadcrumb { margin-bottom: 24px; }
    .blog-reading-layout { padding-top: 28px; }
    .blog-author-list { grid-template-columns: 1fr; gap: 18px; }
    .blog-author { grid-template-columns: 64px minmax(0, 1fr); }
    .blog-author img { width: 64px; height: 80px; }
    .blog-prose { font-size: 1rem; }
    .blog-product { padding: 20px; }
    .blog-targets { flex-direction: column; }
    .blog-facts th, .blog-facts td { padding: 13px 9px; font-size: .86rem; overflow-wrap: anywhere; }
}
@media (prefers-reduced-motion: reduce) {
    .blog-feature-image img, a.blog-button { transition: none; }
    .blog-feature-image:hover img { transform: none; }
    html:has(.blog-article) { scroll-behavior: auto; }
}