:root{--max-w:1200px;--primary:#2b3192;--white:#fff;--gray-100:#f5f7fa;--gray-200:#e8ecf2;--gray-300:#ccc;--gray-400:#9ba5b4;--gray-600:#5a6070;--label-blue:#325bac;--border:#d0d6e2;--brand:#2b3192;--brand-primary:#325bac;--brand-dark:#1e3778;--brand-navy:#1a3566;--brand-blue:#325bac;--text-gray:#666;--text-light:#888;--text-dark:#333;--text-mid:#555;--navy-dark:#1a2f5e;--bg-white:#fff;--bg-light:#fafafa;--hero-bg:#d0e7ef;--border-light:#e0e0e0}*{box-sizing:border-box;margin:0;padding:0}body{color:#666;font-family:Noto Sans JP,sans-serif;line-height:1.7;overflow-x:hidden}.hero-nabber-small{background-image:url(https://244658012.fs1.hubspotusercontent-na2.net/hubfs/244658012/raw_assets/public/ait_owned/images/hero-banner-small.png);background-position:50%;background-repeat:no-repeat;background-size:cover;height:175px;margin:0 auto;max-width:1200px}.hero,.hero-nabber-small{overflow:hidden;position:relative;width:100%}.hero{background:linear-gradient(135deg,#c8d8ea,#d8e6f2 40%,#e4eef7 70%,#cdd9e8);height:160px}.page-content{background:var(--white);background-color:#fafafa;box-sizing:border-box;margin:0 auto;max-width:1200px;padding:20px 0 40px;width:100%}.page-inner{margin:0 auto;max-width:1100px;padding:0 24px;text-align:center}.article-card{background:var(--white);border:1px solid var(--gray-300);border-radius:4px;margin:0 auto 50px;max-width:900px;padding:40px 48px 48px}.article-card__title{color:var(--brand-dark);font-size:22px;font-weight:700;line-height:1.5;margin-bottom:16px}.article-body{color:var(--text-body);font-size:12px;line-height:1.6;text-align:left}.article-more{margin-top:48px;text-align:center}.article-more__btn{background:var(--brand);border:1px solid #2e3192;color:#fff;display:inline-block;font-size:14px;font-weight:500;padding:4px 14px;text-decoration:none;transition:all .3s ease}.article-more__btn:hover{background:#fff;color:var(--brand)}.sec-head{align-items:center;display:flex;flex-direction:column;gap:4px;margin-bottom:50px;text-align:center}.sec-head__en{font-size:44px;letter-spacing:-.02em;line-height:1;margin-bottom:5px;margin-top:5px}.sec-head__en,.sec-head__ja{color:var(--primary);font-weight:700}.sec-head__ja{font-size:14px;margin:0}.sec-head__bar{background:var(--primary);display:block;height:2px;margin:0;width:32px}.sec-head__desc{color:var(--text-dark);font-size:14px;font-weight:400;margin:0}.field-group{margin-bottom:28px;margin-top:24px}.field-group:last-of-type{margin-bottom:0}.btn-contact{background:var(--brand-primary);border-radius:4px;color:#fff;display:inline-block;font-size:12px;font-weight:600;padding:8px 30px;text-decoration:none}.btn-contact:hover{background:var(--brand-dark)}.news-grid{display:grid;gap:32px 40px;grid-template-columns:1fr 1fr}.news-card{align-items:flex-start;display:flex;gap:16px}.news-card__thumb{align-items:center;aspect-ratio:4/3;background:var(--gray-200);border-radius:4px;display:flex;justify-content:center;min-width:130px;overflow:hidden;width:130px}.news-card__thumb img{height:100%;object-fit:cover;width:100%}.news-card__thumb-placeholder{text-align:center}.news-card__thumb-placeholder span{color:var(--brand);display:block;font-size:9px;font-weight:700;line-height:1.4}.news-card__body{flex:1}.news-card__meta{align-items:center;display:flex;gap:8px;margin-bottom:8px}.news-card__tag{background:var(--brand);border-radius:20px;color:var(--white);font-size:9px;font-weight:700;padding:2px 10px}.news-card__date{color:var(--text-gray);font-size:11px}.news-card__title{color:var(--brand-dark);font-size:13px;font-weight:700;line-height:1.6}.news-card:hover .news-card__title{color:var(--brand)}.blog-card{background:#fff;border:1px solid var(--border-light);display:flex;flex-direction:column}.blog-card-img-placeholder{align-items:center;aspect-ratio:16/9;background:linear-gradient(135deg,#1a1a3e,#2a2a5e 40%,#1e3a6e);color:hsla(0,0%,100%,.3);display:flex;font-size:12px;justify-content:center;width:100%}.blog-card-body{display:flex;flex:1;flex-direction:column;padding:20px 20px 16px}.blog-tag{align-self:flex-start;background:var(--primary);border-radius:20px;color:#fff;display:inline-block;font-size:10px;font-weight:700;margin-bottom:10px;padding:3px 10px}.blog-card-title{color:var(--text-dark);flex:1;font-size:13px;font-weight:700;line-height:1.6;margin-bottom:16px}.blog-card-link{align-items:center;color:var(--text-dark);display:flex;font-size:12px;font-weight:500;gap:8px;margin-top:auto;text-decoration:none}.blog-card-link:after{color:var(--text-dark);content:"——";font-size:10px}@media (max-width:768px){.header{gap:8px;height:auto;padding:12px 20px}.header,.header__nav{display:flex;flex-wrap:wrap}.header__nav{gap:12px}.header__nav-link{font-size:12px}}