:root{--ink:#18233d;--muted:#68728b;--blue:#3157d5;--purple:#7048d8;--line:#dce4f2;--bg:#f6f8ff;--card:#fff}*{box-sizing:border-box}html{scroll-behavior:smooth}body.global-article{margin:0;background:var(--bg);color:var(--ink);font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;line-height:1.75}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:12px;top:12px;z-index:99;background:#fff;padding:10px}.global-header{display:flex;align-items:center;gap:22px;padding:14px max(24px,calc((100vw - 1160px)/2));background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;backdrop-filter:blur(14px)}.global-header>a{display:flex;align-items:center;gap:10px;color:var(--ink);text-decoration:none}.global-header nav{display:flex;gap:18px;margin-left:auto}.global-header nav a{color:var(--muted);font-weight:750;text-decoration:none}.global-header label{display:flex;align-items:center;gap:7px;color:var(--muted);font-size:.8rem}.global-header select{border:1px solid var(--line);border-radius:999px;padding:7px 10px;background:#fff}.article-hero{max-width:1120px;margin:0 auto;padding:60px 28px 34px}.breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px 14px;padding:0;list-style:none;color:var(--muted);font-size:.84rem}.breadcrumbs a{color:inherit}.article-heading{max-width:900px;margin:30px auto;text-align:center}.category{display:inline-flex;padding:7px 12px;border-radius:999px;background:#e7ecff;color:#2f4eb0;font-weight:850;font-size:.8rem}.article-heading h1{font-size:clamp(2rem,5vw,4.4rem);line-height:1.08;letter-spacing:-.04em;margin:18px 0;text-wrap:balance}.article-deck{max-width:800px;margin:0 auto;color:var(--muted);font-size:clamp(1rem,2vw,1.22rem)}.byline{display:flex;flex-wrap:wrap;justify-content:center;gap:8px 18px;margin-top:22px;color:var(--muted);font-size:.88rem}.hero-image{max-width:980px;margin:32px auto 0;border-radius:28px;overflow:hidden;box-shadow:0 24px 70px rgba(39,53,105,.15)}.hero-image img{display:block;width:100%;height:auto}.article-shell{max-width:930px;margin:0 auto;padding:0 24px 80px}.article-content{background:#fff;border:1px solid var(--line);border-radius:28px;padding:clamp(28px,6vw,64px);box-shadow:0 20px 60px rgba(45,59,105,.08)}.article-content>p,.article-content section p,.article-content li{font-size:1.03rem;line-height:1.9}.reader-hook{font-size:1.27rem!important;font-weight:760;line-height:1.65!important}.article-content section{margin:56px 0 0;scroll-margin-top:100px}.article-content h2{font-size:clamp(1.55rem,3vw,2.15rem);line-height:1.3;letter-spacing:-.02em;margin:0 0 18px}.article-content h3{font-size:1.2rem;line-height:1.45;margin:30px 0 10px}.summary-box{padding:25px;border-radius:20px;background:linear-gradient(145deg,#edf1ff,#f8f5ff);border:1px solid #d8e1ff}.summary-box h2{font-size:1.25rem}.check-list,.step-list,.source-list{display:grid;gap:10px;padding-left:1.3rem}.local-note{padding:28px;border-left:5px solid var(--blue);background:#f7f9ff;border-radius:0 20px 20px 0}.field-note{padding:32px;border-radius:24px;background:#15213d;color:#fff}.field-note h2,.field-note p,.field-note li{color:#fff}.field-note .kicker{font-size:.75rem!important;text-transform:uppercase;letter-spacing:.1em;color:#9db1ff!important;font-weight:850}.source-list a{color:var(--blue);overflow-wrap:anywhere}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.related-card{display:flex;flex-direction:column;gap:8px;padding:18px;border:1px solid var(--line);border-radius:18px;text-decoration:none;color:var(--ink);background:#fff}.related-card span{font-size:.75rem;color:var(--blue);font-weight:850}.related-card small{color:var(--muted)}.faq-list{display:grid;gap:10px}.faq-list details{padding:16px 18px;border:1px solid var(--line);border-radius:16px}.faq-list summary{font-weight:850;cursor:pointer}.article-cta{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:30px;border-radius:24px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff}.article-cta h2,.article-cta p{color:#fff}.article-cta a{display:inline-flex;padding:12px 18px;border-radius:999px;background:#fff;color:#244bc4;text-decoration:none;font-weight:850;white-space:nowrap}.global-footer{display:flex;justify-content:space-between;gap:20px;max-width:1120px;margin:0 auto;padding:32px 28px 50px;color:var(--muted)}.global-footer a{color:inherit}.rebuilt-core-section pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#111a30;color:#fff;padding:20px;border-radius:16px}.rebuilt-core-section table{width:100%;border-collapse:collapse}.rebuilt-core-section td,.rebuilt-core-section th{border:1px solid var(--line);padding:10px}.prompt-box,.example-answer,.compare-card,.use-case{border:1px solid var(--line);border-radius:18px;padding:18px;background:#fbfcff}@media(max-width:780px){.global-header nav{display:none}.global-header label{margin-left:auto}.article-hero{padding-top:38px}.article-content{padding:26px 20px;border-radius:20px}.related-grid{grid-template-columns:1fr}.article-cta,.global-footer{flex-direction:column;align-items:flex-start}.article-cta a{width:100%;justify-content:center}}


/* 2026-08-20 reader-first layout review — all active blog articles */
html { background:#f6f8ff; }
body.global-article { overflow-x:hidden; }
.global-header { min-height:70px; box-shadow:0 1px 0 rgba(23,33,58,.03); }
.global-header > a strong { letter-spacing:-.01em; }
.article-hero { max-width:1180px; padding:54px 28px 38px; }
.article-heading { max-width:980px; margin:28px auto 30px; }
.article-heading h1 { max-width:960px; margin:18px auto; font-size:clamp(2.15rem,4.4vw,3.9rem); line-height:1.14; }
.article-deck { max-width:820px; line-height:1.75; }
.hero-image { max-width:1040px; border:1px solid rgba(220,228,242,.8); background:#fff; }
.article-shell { max-width:1040px; padding:0 28px 88px; }
.article-content { padding:clamp(32px,5vw,60px); border-radius:26px; }
.article-content > p,.article-content section p,.article-content li { overflow-wrap:break-word; }
.article-content section { margin-top:50px; }
.article-content h2 { line-height:1.38; text-wrap:balance; }
.article-content h3 { line-height:1.5; text-wrap:balance; }
.reader-hook { max-width:800px; margin:0 0 26px; }
.summary-box,.local-note,.field-note,.prompt-box,.example-answer,.compare-card,.use-case { min-width:0; }
.rebuilt-core-section pre,.prompt-box pre { max-width:100%; overflow:auto; white-space:pre-wrap; overflow-wrap:anywhere; }
.rebuilt-core-section table,.article-content table { width:100%; max-width:100%; display:block; overflow-x:auto; border-collapse:collapse; }
.article-content img { max-width:100%; height:auto; }
.source-list { padding-left:0; list-style:none; }
.source-list li { min-width:0; }
.source-list a { overflow-wrap:anywhere; }
.related-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:18px; }
.related-card { min-width:0; min-height:190px; padding:22px; border-radius:18px; box-shadow:0 9px 26px rgba(45,59,105,.055); }
.related-card strong { font-size:1.03rem; line-height:1.52; letter-spacing:-.01em; text-wrap:balance; }
.related-card small { font-size:.89rem; line-height:1.72; overflow-wrap:break-word; }
.article-cta { margin-top:56px; padding:32px; }
.article-cta > div { min-width:0; }
.article-cta h2 { margin:5px 0 10px; }
.global-footer { max-width:1040px; }
html:lang(ja) body.global-article,html:lang(ko) body.global-article,html:lang(zh-CN) body.global-article,html:lang(zh-TW) body.global-article { font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic UI","Yu Gothic","Noto Sans CJK JP","Noto Sans CJK KR","Noto Sans CJK SC","Noto Sans CJK TC",sans-serif; }
html:lang(ja) .article-heading h1,html:lang(ko) .article-heading h1,html:lang(zh-CN) .article-heading h1,html:lang(zh-TW) .article-heading h1 { line-height:1.28; letter-spacing:-.035em; }
html:lang(ja) .related-card strong,html:lang(ko) .related-card strong,html:lang(zh-CN) .related-card strong,html:lang(zh-TW) .related-card strong { line-height:1.65; word-break:normal; overflow-wrap:break-word; }
@media (max-width:820px) {
  .global-header { padding-left:18px; padding-right:18px; gap:12px; }
  .article-hero { padding:38px 18px 28px; }
  .article-shell { padding:0 16px 62px; }
  .article-content { padding:28px 22px; border-radius:20px; }
  .related-grid { grid-template-columns:1fr; }
  .related-card { min-height:0; }
  .article-cta { flex-direction:column; align-items:flex-start; padding:26px 22px; }
  .article-cta a { width:100%; justify-content:center; }
}
@media (max-width:520px) {
  .global-header label span { display:none; }
  .global-header select { max-width:122px; }
  .article-heading h1 { font-size:clamp(1.9rem,9vw,2.5rem); }
  .article-deck { font-size:1rem; }
  .byline { font-size:.8rem; }
  .article-content { padding:24px 18px; }
  .article-content section { margin-top:42px; }
  .field-note,.local-note,.summary-box { padding:22px 18px; }
}

/* Critical compatibility fix: blog/styles.css defines a two-column article shell for legacy TOC pages.
   Rebuilt global articles have no TOC column, so force a single editorial column. */
body.global-article .article-shell {
  display:block !important;
  grid-template-columns:none !important;
  justify-content:initial !important;
  gap:0 !important;
}
body.global-article .article-content { width:100%; max-width:none; }