/* Article UI shares the live LP's white/ink palette, radii and typography. */
.article-container{max-width:1120px;margin:0 auto;padding:64px 24px 96px}.article-container>article{max-width:780px;margin:0 auto}.article-heading h1,.article-index-heading h1{font-size:clamp(32px,4.3vw,52px);line-height:1.25;letter-spacing:-.035em;font-weight:750}.article-index-heading{padding:24px 0 32px}.article-index-heading h1{font-size:clamp(40px,6vw,64px)}.doc__lead{margin-top:20px;color:var(--ink-2);font-size:18px;line-height:1.8}.article-summary{margin-top:24px;font-size:19px;line-height:1.9}.article-summary p{margin:0;color:var(--ink-2)}.article-meta{margin-top:22px;color:var(--ink-2);font-size:12px}.article-applicable{margin-top:20px;font-size:12px;color:var(--ink-2)}.article-breadcrumb{max-width:780px;margin:0 auto 32px;font-size:12px;color:var(--ink-2)}.article-breadcrumb a:hover{text-decoration:underline}.article-draft{margin-top:16px;color:var(--ink-2);font-size:12px}.article-review{margin-top:8px;font-size:12px;color:var(--ink-2)}.article-review summary{cursor:pointer}.article-review ul{padding:12px 0 12px 20px;list-style:disc}.article-toc{padding:24px 28px;background:var(--canvas);border-radius:var(--r-card);margin-top:32px}.article-toc h2{font-size:14px;margin:0 0 12px}.article-toc ol{list-style:none;padding:0;display:grid;gap:8px}.article-toc a{font-size:14px;color:var(--ink-2)}.article-toc a:hover{color:var(--ink)}.toc--3{margin-left:16px}.article-prose{margin-top:40px;font-size:16px;line-height:2;overflow-wrap:anywhere}.article-prose h2,.article-sources h2,.article-container article>section>h2{font-size:28px;line-height:1.45;letter-spacing:-.025em;margin:56px 0 20px;scroll-margin-top:88px}.article-prose h3{font-size:21px;margin:32px 0 16px;scroll-margin-top:88px}.article-prose p{margin:16px 0}.article-prose a,.article-sources a{border-bottom:1px solid #bababc}.article-prose a:hover,.article-sources a:hover{border-color:var(--ink)}.article-prose ul,.article-prose ol,.article-sources ul{padding-left:1.3em;list-style:disc;margin:20px 0}.article-prose ol{list-style:decimal}.article-prose li+li{margin-top:8px}.article-prose blockquote{margin:24px 0;padding:8px 24px;background:var(--canvas);border-radius:var(--r-card)}.article-prose .table{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);margin:28px 0}.article-prose table{width:100%;min-width:620px;border-collapse:collapse;font-size:14px;line-height:1.7}.article-prose th,.article-prose td{padding:16px 20px;text-align:left;border-bottom:1px solid var(--line)}.article-prose th{background:var(--canvas);font-weight:600;white-space:nowrap}.article-prose tr:last-child td{border-bottom:0}.article-table-caption{position:absolute;width:1px;height:1px;clip-path:inset(50%);overflow:hidden}.article-sources{margin-top:56px;border-top:1px solid var(--line);font-size:12px;line-height:1.8;color:var(--ink-2);overflow-wrap:anywhere}.article-sources h2{font-size:17px;margin-top:28px}.article-sources p{margin-top:4px}.article-cta{margin:40px 0;padding:32px;background:var(--canvas);border-radius:var(--r-sheet)}.article-cta a{color:white}.article-categories{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0 32px}.article-categories a{padding:9px 15px;background:var(--canvas);border-radius:999px;font-size:13px;color:var(--ink-2)}.article-categories a:hover{background:#e9e9ec;color:var(--ink)}.article-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}.article-card{display:block;overflow:hidden;border:1px solid var(--line);border-radius:var(--r-card);background:var(--surface);transition:transform .2s var(--ease),box-shadow .2s var(--ease)}.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-card)}.article-card-copy{padding:22px}.article-card-tags{display:flex;flex-wrap:wrap;gap:6px;margin-bottom:12px}.article-card h3{font-size:18px;line-height:1.6;letter-spacing:-.02em;margin:0}.article-card p{color:var(--ink-2);font-size:13px;line-height:1.8;margin:12px 0 18px;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-card small{font-size:11px;color:var(--ink-2);display:flex;justify-content:space-between}.article-thumbnail{position:relative;background:#f2f2f4;aspect-ratio:16/9;padding:24px;display:flex;flex-direction:column;justify-content:space-between;overflow:hidden}.thumbnail-kicker{font-size:9px;letter-spacing:.04em;color:var(--ink-2)}.article-thumbnail strong{position:relative;z-index:1;max-width:78%;font-size:22px;letter-spacing:-.04em;line-height:1.4;text-wrap:balance;font-weight:700}.thumbnail-caption{font-size:9px;color:var(--ink-2);z-index:1}.thumbnail-diagram{position:absolute;right:22px;bottom:20px;display:flex;align-items:end;gap:5px;width:20%;height:40%;opacity:.12;transform:rotate(-8deg)}.thumbnail-diagram span{width:33%;background:var(--ink);border-radius:5px 5px 0 0;height:100%}.thumbnail-diagram span:nth-child(2){height:65%}.thumbnail-diagram span:nth-child(3){height:40%}.thumbnail--how-to{background:#edf1ed}.thumbnail--comparison{background:#eceff3}.thumbnail--free{background:#f1eee7}.thumbnail--migration{background:#f0edf2}.thumbnail--oss-ai{background:#e9efee}.article-thumbnail--hero{margin-top:32px;border-radius:var(--r-card);padding:40px}.article-thumbnail--hero strong{font-size:clamp(26px,5vw,46px);max-width:70%}.article-thumbnail--hero .thumbnail-kicker,.article-thumbnail--hero .thumbnail-caption{font-size:12px}.article-figure{margin:28px 0}.article-figure img{width:100%;height:auto;border:1px solid var(--line);border-radius:16px}.article-figure figcaption{margin-top:12px;font-size:12px;color:var(--ink-2);line-height:1.7}.article-skip{position:fixed;top:-100px;left:12px;z-index:1000;background:white;padding:12px}.article-skip:focus{top:12px}.article-body .nav__inner{gap:16px}.article-body .nav__links{display:flex}.article-body .footer__row{flex-wrap:wrap;gap:16px}.article-body .footer nav{display:flex;flex-wrap:wrap;gap:16px}.article-prose pre{max-width:100%;overflow-x:auto;padding:20px;background:var(--canvas);border:1px solid var(--line);border-radius:16px;font-size:13px;line-height:1.7;color:var(--ink)}.article-prose code{font-family:var(--mono)}.article-prose .codeblock code{color:var(--ink)}.article-prose :not(pre)>code{padding:2px 6px;background:var(--canvas);border-radius:5px;font-size:.85em}
@media(max-width:900px){.article-cards{grid-template-columns:repeat(2,minmax(0,1fr))}.article-nav-cta{display:none}.article-body .nav__links{gap:18px}}
@media(max-width:600px){.article-container{padding:32px 18px 64px}.article-heading h1{font-size:32px}.article-index-heading{padding:20px 0}.article-summary{font-size:17px}.article-meta{line-height:1.8}.article-breadcrumb{margin-bottom:24px}.article-body .nav__inner{flex-wrap:wrap;padding:12px 18px;gap:10px}.article-body .nav__links{width:100%;justify-content:space-between;font-size:12px;gap:10px}.article-body .brand .chip{font-size:9px}.article-toc{padding:22px}.article-prose{font-size:16px;line-height:1.95;margin-top:32px}.article-prose h2{font-size:24px;margin-top:44px}.article-prose h3{font-size:20px}.article-prose th,.article-prose td{padding:12px 16px}.article-cards{grid-template-columns:1fr;gap:24px}.article-card-copy{padding:22px}.article-thumbnail{padding:24px}.article-thumbnail strong{font-size:26px}.article-thumbnail--hero{padding:24px}.article-thumbnail--hero strong{font-size:29px;max-width:80%}.article-thumbnail--hero .thumbnail-kicker,.article-thumbnail--hero .thumbnail-caption{font-size:10px}.article-cta{padding:24px}.article-cta .btn{width:100%;font-size:14px;padding:0 12px}.article-sources{font-size:12px}.article-categories{gap:6px}.article-categories a{font-size:12px;padding:8px 12px}}
.article-thumbnail strong{white-space:pre-line}.thumbnail-photo,.thumbnail-photo-shade{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.thumbnail-photo-shade{background:linear-gradient(100deg,rgba(245,245,247,.97) 15%,rgba(245,245,247,.84) 55%,rgba(245,245,247,.16))}.thumbnail-kicker{position:relative;z-index:1}
.article-summary p{white-space:pre-line;color:var(--ink);font-weight:500}.billing-comparison{padding:28px;background:var(--canvas);border-radius:var(--r-card);margin:24px 0 32px}.billing-comparison-title{font-size:23px;font-weight:700;letter-spacing:-.025em;line-height:1.4;margin-bottom:24px}.billing-row{margin:20px 0}.billing-row>div{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;line-height:1.6}.billing-row strong{font-size:18px;font-variant-numeric:tabular-nums}.billing-bar{display:block;height:16px;margin-top:8px;border-radius:5px;background:#c2c2c7}.billing-bar--annual{background:var(--ink)}.billing-comparison figcaption{font-size:11px;line-height:1.8;color:var(--ink-2);margin-top:20px}.billing-comparison figcaption a{border-color:#bababd}@media(max-width:600px){.billing-comparison{padding:22px}.billing-comparison-title{font-size:21px}.billing-row>div{font-size:13px}.billing-row strong{font-size:17px}}
.article-thumbnail strong{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-prose .table::after{content:'← 横にスクロールして比較 →';display:none;padding:8px 16px;font-size:11px;color:var(--ink-2);background:var(--canvas)}@media(max-width:600px){.article-prose .table::after{display:block}}
.article-sources{margin-top:32px;font-size:11px;line-height:1.75;padding-top:18px}.article-sources h2{font-size:13px;font-weight:600;letter-spacing:0;margin:0 0 10px}.article-sources ul{margin:0;padding-left:16px}.article-sources li+li{margin-top:4px}.article-cta{margin:24px 0 0}.article-figure img{background:var(--canvas)}
.article-container article>.article-sources>h2{font-size:13px;font-weight:600;letter-spacing:0;line-height:1.6;margin:0 0 10px}.article-container article>.article-sources{padding-top:18px;margin-top:32px;font-size:11px}.article-sources li{color:var(--ink-2)}
@media(max-width:600px){.article-container article>.article-sources{font-size:12px}.article-figure figcaption{font-size:12px}}
.article-prose .article-image-link{display:block;border-bottom:0;border-radius:16px;overflow:hidden}.article-image-hint{display:block;color:var(--ink-2)}
.article-container article>.article-sources{font-size:12px}.article-sources-date{margin:0 0 8px;color:var(--ink-2)}
/* Article-specific diagrams retain their own readable layout and exact dimensions. */
.article-thumbnail--diagram{padding:0;aspect-ratio:1200/630;background:#fbfcfa}.article-thumbnail--diagram img{display:block;width:100%;height:100%;object-fit:contain}.article-figure--guide{max-width:720px;margin:28px auto}.article-figure--guide img{background:#fbfcfa}.article-figure-text{font-size:13px;line-height:1.8;margin-top:10px;color:var(--ink-2)}.article-figure-text summary{cursor:pointer}.article-figure-text ul{margin:12px 0;padding-left:1.3em}.article-breadcrumb{display:flex;flex-wrap:wrap;gap:6px;line-height:1.8}.article-breadcrumb [aria-current]{overflow-wrap:anywhere}.article-meta a{text-decoration:underline;text-underline-offset:3px}.article-sources ol{padding-left:1.4em;margin:12px 0}.article-sources p{margin:8px 0}.article-sources li+li{margin-top:6px}