.informationLeakageColumn{--cyan:#5bcefa;--cyan-deep:#3ab8e8;--cyan-soft:rgba(91,206,250,0.08);--white:#ffffff;--off-white:#fafbfd;--dark:#2d2d2d;--dark-sub:#5a5a5a;--dark-muted:#8a8a8a;--border:#e6e9ed;--border-light:#f0f2f5;scroll-behavior:smooth;font-family:Noto Sans JP,sans-serif;font-weight:400;color:var(--dark);background:var(--off-white);line-height:1.9;-webkit-font-smoothing:antialiased}.informationLeakageColumn *,.informationLeakageColumn :after,.informationLeakageColumn :before{box-sizing:border-box}.informationLeakageColumn .article-header{background:var(--white);border-bottom:1px solid var(--border-light);padding:100px 24px 0}.informationLeakageColumn .article-cover{max-width:960px;margin:40px auto 0;padding:0 24px 48px}.informationLeakageColumn .article-cover-img{display:block;width:100%;height:auto;border-radius:12px;border:1px solid var(--border-light);box-shadow:0 4px 20px rgba(0,0,0,.06)}.informationLeakageColumn .header-inner{max-width:760px;margin:0 auto}.informationLeakageColumn .category-tag{display:inline-block;font-size:12px;font-weight:500;color:var(--cyan-deep);background:var(--cyan-soft);padding:6px 14px;border-radius:100px;letter-spacing:.08em;margin-bottom:24px}.informationLeakageColumn .article-title{font-family:Shippori Mincho,serif;font-size:38px;font-weight:600;line-height:1.5;color:var(--dark);margin:0 0 20px;letter-spacing:.02em}.informationLeakageColumn .article-subtitle{font-size:16px;color:var(--dark-sub);line-height:1.85;margin:0 0 28px;max-width:36rem}.informationLeakageColumn .article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:16px;font-size:14px;color:var(--dark-muted);padding-top:20px;border-top:1px solid var(--border-light);margin:0}.informationLeakageColumn .article-meta .author{color:var(--dark-sub);font-weight:500}.informationLeakageColumn .article-meta .separator{color:var(--border)}@media (max-width:768px){.informationLeakageColumn .article-header{padding:60px 20px 0}.informationLeakageColumn .article-cover{margin-top:28px;padding:0 20px 36px}.informationLeakageColumn .article-title{font-size:26px;line-height:1.5}}