@charset "UTF-8";
:root{--aio-ink:#101c30;--aio-blue:#2b6fd4;--aio-muted:#5a6a85;--aio-line:#e3ecf8;--aio-tint:#f3f7fc}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px}body{margin:0;background:#fdfeff;color:var(--aio-ink);font-family:'Noto Serif JP',serif;-webkit-font-smoothing:antialiased}a{color:var(--aio-blue);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible,button:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible,[tabindex]:focus-visible{outline:3px solid #2b6fd4;outline-offset:4px}p,li,td{line-height:1.95}img{max-width:100%}.aio-container{width:min(1120px,calc(100% - 40px));margin-inline:auto}.aio-section{padding:72px 0;scroll-margin-top:120px}.aio-section h2,.aio-article h2{font-size:clamp(23px,3vw,32px);line-height:1.6;margin:0 0 22px}.aio-tint{background:var(--aio-tint)}.aio-eyebrow{font-family:'Cormorant Garamond',Georgia,serif;letter-spacing:.23em;font-size:14px!important;color:var(--aio-blue);margin:0 0 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var(--aio-blue);font-size:13px!important;color:var(--aio-muted)}.aio-related{padding-top:34px;border-top:1px solid var(--aio-line);margin-bottom:48px}.aio-article-cta{background:#eaf2fc;border-radius:18px;padding:38px}.aio-article-cta p{font-size:15px}.aio-skip{position:absolute;top:-100px;left:16px;z-index:100;background:#fff;padding:12px 18px;border:2px solid var(--aio-blue)}.aio-skip:focus{top:12px}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap}form{margin:0}select{font:inherit;min-height:46px;padding:10px 12px;border:1px solid #d7e0ed;border-radius:8px;background:#fff;color:#1a2333;width:100%}footer [style*="minmax(300px"]{grid-template-columns:repeat(auto-fit,minmax(min(100%,300px),1fr))!important}
@media(max-width:760px){.aio-home-header-inner{gap:12px!important;padding:12px 0!important}.aio-home-header nav{gap:12px 16px!important;margin-left:0!important;font-size:12px!important}.aio-nav-inner{flex-direction:column;align-items:flex-start;gap:12px}.aio-detail-header nav{width:100%;gap:12px 18px;flex-wrap:wrap}.aio-section{padding:48px 0}.aio-article{padding-top:24px}.aio-breadcrumb{margin-bottom:28px}.aio-lead{font-size:15px}.aio-table-wrap th,.aio-table-wrap td{padding:14px;min-width:110px}.aio-table-wrap table{font-size:13px}.aio-article-section{margin-bottom:40px}.aio-toc{padding:20px}.aio-article-cta{padding:26px 22px}.aio-article-cta .aio-actions{align-items:stretch;flex-direction:column;gap:12px}.aio-faq{padding-inline:18px}.aio-faq p{padding-left:0}.aio-faq summary{font-size:14px}.aio-footer-links{padding-top:24px}.aio-hero-intro{font-size:13px}.aio-byline{gap:8px 20px}.aio-home-header{position:relative!important}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.aio-mobile-nav{display:none}
@media(max-width:760px){.aio-home-header{position:sticky!important}.aio-home-header-inner{position:relative;flex-wrap:nowrap!important}.aio-home-header-inner>div:first-child{min-width:0!important}.aio-home-header-inner>nav{display:none!important}.aio-mobile-nav{display:block;margin-left:auto;flex:none}.aio-mobile-nav summary{cursor:pointer;list-style:none;font-size:12px;font-weight:600;border:1px solid #d7e0ed;border-radius:999px;padding:9px 16px;background:#fff}.aio-mobile-nav[open] summary{color:#2b6fd4;border-color:#2b6fd4}.aio-mobile-nav nav{position:absolute;top:calc(100% + 8px);right:0;width:min(320px,calc(100vw - 40px));background:#fff;padding:22px;border:1px solid #e3ecf8;border-radius:14px;box-shadow:0 12px 28px #101c301a;display:flex!important;flex-direction:column;align-items:stretch!important;gap:18px!important;margin:0!important}.aio-mobile-nav nav a{font-size:14px!important}.aio-mobile-nav nav a[href="/consult/"]{text-align:center}}

/* ---- blog-specific (loaded after training-aio.css rules) ---- */
.blog-hero{background:linear-gradient(180deg,#f3f7fc 0%,#fdfeff 100%);border-bottom:1px solid var(--aio-line);padding:56px 0 40px;text-align:center}
.blog-hero h1{font-size:clamp(28px,4vw,40px);line-height:1.5;margin:0 0 14px;letter-spacing:.02em}
.blog-hero .aio-eyebrow{margin-bottom:12px!important}
.blog-hero p.lead{margin:0 auto;max-width:640px;font-size:15px;color:var(--aio-muted);line-height:1.9}
.cat-nav{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin:32px auto 8px}
.cat-nav a{display:inline-block;border:1px solid #c6d6ee;border-radius:999px;padding:8px 16px;font-size:13px;color:var(--aio-ink);background:#fff;text-decoration:none!important}
.cat-nav a:hover{border-color:var(--aio-blue);color:var(--aio-blue)}
.cat-nav a.is-current{background:var(--aio-blue);border-color:var(--aio-blue);color:#fff}
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,300px),1fr));gap:26px;margin:36px 0 48px}
.blog-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--aio-line);border-radius:16px;overflow:hidden;color:var(--aio-ink);text-decoration:none!important;transition:box-shadow .2s,border-color .2s}
.blog-card:hover{border-color:var(--aio-blue);box-shadow:0 10px 28px #2b6fd414}
.blog-thumb{aspect-ratio:1200/630;background:#eaf2fc;overflow:hidden}
.blog-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.blog-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px}
.blog-date{font-family:'Cormorant Garamond',Georgia,serif;font-size:13px;letter-spacing:.08em;color:var(--aio-muted);margin:0;display:flex;gap:12px;align-items:center}
.blog-date .cat{font-family:'Noto Serif JP',serif;font-size:11px;letter-spacing:.04em;color:var(--aio-blue);border:1px solid #c6d6ee;border-radius:999px;padding:2px 10px}
.blog-card h3{font-size:16px;line-height:1.7;margin:0;font-weight:700}
.blog-card p.ex{font-size:13px;color:var(--aio-muted);margin:0;line-height:1.85;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.blog-card .more{margin-top:auto;font-size:12.5px;color:var(--aio-blue);font-weight:600}
.pager{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin:8px 0 60px;font-size:13px}
.pager a,.pager span{min-width:38px;text-align:center;padding:8px 12px;border:1px solid var(--aio-line);border-radius:10px;background:#fff;text-decoration:none!important}
.pager span.cur{background:var(--aio-blue);color:#fff;border-color:var(--aio-blue)}
.post-head h1{font-size:clamp(26px,3.6vw,38px);line-height:1.6;margin:0 0 20px;padding-left:18px;border-left:5px solid var(--aio-blue)}
.post-meta{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:12.5px;color:var(--aio-muted);margin:0 0 28px}
.post-meta a{color:var(--aio-blue)}
.post-hero{margin:0 0 34px}
.post-hero img{width:100%;height:auto;border-radius:16px;border:1px solid var(--aio-line);display:block}
.post-keypoints{background:var(--aio-tint);border:1px solid var(--aio-line);border-left:4px solid var(--aio-blue);border-radius:14px;padding:22px 26px;margin:0 0 34px}
.post-keypoints p.t{margin:0 0 10px;font-weight:700;font-size:14px;color:var(--aio-blue)}
.post-keypoints ul{margin:0;padding-left:22px;font-size:14px}
.post-keypoints li{padding:3px 0;line-height:1.9}
.post-keypoints li strong{color:var(--aio-ink)}
.post-intro p{font-size:15.5px;line-height:2.05}
.post-body h2{font-size:clamp(21px,2.6vw,27px);line-height:1.6;margin:52px 0 20px;padding-bottom:12px;border-bottom:2px solid var(--aio-line);position:relative}
.post-body h2::after{content:'';position:absolute;left:0;bottom:-2px;width:72px;height:2px;background:var(--aio-blue)}
.post-body h3{font-size:17px;line-height:1.7;margin:30px 0 12px;color:#1e5aa8}
.post-body p{font-size:15.5px;line-height:2.05;margin:0 0 18px}
.post-body ul,.post-body ol{padding-left:26px;margin:0 0 20px}
.post-body li{font-size:15px;line-height:1.95;padding:3px 0}
.post-body .aio-note{margin:0 0 22px;border-radius:0 12px 12px 0}
.post-faq h3{display:flex;gap:12px;align-items:baseline;color:var(--aio-ink);margin-top:26px}
.post-faq h3::before{content:'Q.';color:var(--aio-blue);font-family:Georgia,serif;font-size:19px;flex:none}
.post-faq p{padding-left:34px;color:#3a4660}
.post-summary{background:#fff;border:1px solid var(--aio-line);border-radius:16px;padding:26px 30px;margin:40px 0}
.post-summary h2{margin-top:0;border:0;padding:0}
.post-summary h2::after{display:none}
.post-links{margin:28px 0 48px;padding:20px 24px;background:var(--aio-tint);border-radius:14px;font-size:14px}
.post-links p.t{margin:0 0 8px;font-weight:700}
.post-links a{display:block;padding:4px 0}
.post-related h2{font-size:20px;margin:0 0 6px}
.post-related .blog-grid{margin-top:18px}
.post-prevnext{display:flex;justify-content:space-between;gap:16px;margin:0 0 40px;font-size:13px}
.post-prevnext a{flex:1;border:1px solid var(--aio-line);border-radius:12px;padding:14px 16px;color:var(--aio-ink);text-decoration:none!important;line-height:1.7}
.post-prevnext a:hover{border-color:var(--aio-blue)}
.post-prevnext small{display:block;color:var(--aio-muted);margin-bottom:4px}
.post-notice{font-size:12px;color:var(--aio-muted);line-height:1.9;border-top:1px solid var(--aio-line);padding-top:16px;margin:0 0 30px}
.blog-container{width:min(1120px,calc(100% - 40px));margin-inline:auto}
.blog-sub{display:flex;flex-wrap:wrap;gap:10px 16px;font-size:12px;color:var(--aio-muted);margin:0 0 6px;justify-content:center}
.blog-sub a{color:var(--aio-blue)}
@media(max-width:760px){.blog-hero{padding:40px 0 28px}.blog-grid{gap:18px}.post-head h1{padding-left:14px}.post-keypoints{padding:18px}.post-summary{padding:20px}.post-prevnext{flex-direction:column}}
/* ---- hero with background photo (2026-10-15・staneer-ai.com/blog を見本に) ---- */
.blog-hero{position:relative;overflow:hidden;background:#101c30;color:#fff;border-bottom:1px solid var(--aio-line);padding:0;text-align:left}
.blog-hero-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:50% 45%;filter:saturate(.8) brightness(.78)}
.blog-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(16,28,48,.86) 0%,rgba(16,28,48,.66) 50%,rgba(16,28,48,.38) 100%)}
.blog-hero-inner{position:relative;z-index:1;width:min(1120px,calc(100% - 40px));margin:0 auto;padding:clamp(52px,7vw,96px) 0 clamp(44px,6vw,80px)}
.blog-hero-eyebrow{display:flex;align-items:center;gap:14px;margin:0 0 16px;color:#9cc3ff;font-family:'Cormorant Garamond',Georgia,serif;font-size:14px;letter-spacing:.24em}
.blog-hero-eyebrow::before{content:"";width:28px;height:1px;background:#9cc3ff}
.blog-hero h1{margin:0;font-size:clamp(26px,3.8vw,44px);line-height:1.45;letter-spacing:.02em;color:#fff;text-shadow:0 1px 2px rgba(0,0,0,.35)}
.blog-hero-lead{margin:18px 0 0;max-width:720px;font-size:clamp(13.5px,1.5vw,15.5px);line-height:2;color:rgba(255,255,255,.9)}
.blog-hero .blog-sub{justify-content:flex-start;margin-top:14px;color:rgba(255,255,255,.75)}
.blog-hero .blog-sub a{color:#9cc3ff}
.post-hero{margin:0 0 34px}
.post-hero img{width:100%;height:auto;aspect-ratio:1200/630;object-fit:cover;border-radius:16px;border:1px solid var(--aio-line);display:block}