:root{--bg:#f8fafc;--bg-soft:#eef4ff;--panel:#fff;--panel-soft:#f8fbff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;--line-strong:#d1d5db;--accent:#2563eb;--accent-soft:#eff6ff;--accent-strong:#1d4ed8;--success:#16a34a;--danger:#dc2626;--shadow:0 10px 30px #0f172a0f;--shadow-strong:0 18px 50px #0f172a1a;--radius:16px;--radius-lg:22px;--max:960px;--article-max:860px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--text);background:radial-gradient(circle at 0 0,#fff 0%,#f8fbff 38%,#f8fafc 100%);margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Hiragino Sans,Yu Gothic UI,Yu Gothic,Meiryo,sans-serif;line-height:1.7}a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}button,input,textarea{font:inherit}button{border:0}main{width:100%}.container{max-width:var(--max);margin:0 auto;padding:24px}.narrow-container,.article-shell{max-width:var(--article-max);margin:0 auto;padding:24px}.site-header{z-index:20;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f8fafcdb;border-bottom:1px solid #e5e7ebe6;position:sticky;top:0}.site-header-inner{max-width:var(--max);justify-content:space-between;align-items:center;gap:18px;margin:0 auto;padding:14px 24px;display:flex}.site-brand{flex-direction:column;gap:2px;display:flex}.site-brand-name{color:var(--text);letter-spacing:-.02em;font-size:20px;font-weight:900;text-decoration:none}.site-brand-name:hover{opacity:.9;text-decoration:none}.site-brand-sub{color:var(--muted);font-size:12px}.site-nav{flex-wrap:wrap;gap:14px;display:flex}.site-nav a{color:var(--text);border-radius:10px;padding:8px 10px;font-size:14px;font-weight:700}.site-nav a:hover{color:var(--accent-strong);background:#2563eb12;text-decoration:none}.site-footer{border-top:1px solid var(--line);background:#fff;margin-top:56px}.site-footer-inner{max-width:var(--max);gap:10px;margin:0 auto;padding:28px 24px;display:grid}.site-footer-links{flex-wrap:wrap;gap:16px;font-size:14px;display:flex}.page-eyebrow{color:var(--muted);letter-spacing:.01em;align-items:center;gap:8px;font-size:14px;font-weight:800;display:inline-flex}.page-title{letter-spacing:-.03em;margin:10px 0 0;font-size:40px;font-weight:900;line-height:1.2}.page-lead{color:#1f2937;margin-top:16px;font-size:18px}.section{margin-top:34px}.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px}.card-grid{gap:16px;display:grid}.soft-panel{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);background:linear-gradient(#fff 0%,#f8fbff 100%);padding:22px}.dark-panel{color:#fff;background:#111827;border-radius:14px;margin-top:16px;padding:14px}.dark-panel-title{opacity:.75;font-size:13px}.dark-panel-body{margin-top:6px;font-weight:800}.button-row{flex-wrap:wrap;gap:12px;margin-top:20px;display:flex}.button-primary,.button-secondary,.button-danger{border:1px solid var(--line);cursor:pointer;min-height:46px;box-shadow:none;border-radius:12px;justify-content:center;align-items:center;padding:12px 16px;font-size:14px;font-weight:800;transition:all .18s;display:inline-flex}.button-primary{background:var(--accent);color:#fff;border-color:var(--accent)}.button-primary:hover{background:var(--accent-strong);border-color:var(--accent-strong);text-decoration:none;transform:translateY(-1px)}.button-secondary{color:var(--text);background:#fff}.button-secondary:hover{background:#f9fafb;text-decoration:none;transform:translateY(-1px)}.button-danger{color:var(--danger);background:#fff;border-color:#fecaca}.button-danger:hover{background:#fff5f5;text-decoration:none}.muted{color:var(--muted)}.divider{border:0;border-top:1px solid var(--line);margin:30px 0}.hero-grid{grid-template-columns:1.2fr .8fr;align-items:center;gap:24px;display:grid}.info-grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;display:grid}.info-grid-4{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}.kpi-box{border:1px solid var(--line);background:#fff;border-radius:14px;padding:14px}.kpi-label{color:var(--muted);font-size:13px}.kpi-value{margin-top:4px;font-size:28px;font-weight:900}.form-label{display:block}.form-label-text{font-size:15px;font-weight:900}.form-input,.form-textarea,.form-select{border:1px solid var(--line);width:100%;color:var(--text);background:#fff;border-radius:12px;outline:none;margin-top:10px;padding:14px;font-size:15px;transition:border-color .18s,box-shadow .18s,background .18s}.form-input:hover,.form-textarea:hover,.form-select:hover{border-color:var(--line-strong)}.form-input:focus,.form-textarea:focus,.form-select:focus{background:#fff;border-color:#93c5fd;box-shadow:0 0 0 4px #2563eb1f}.form-help{color:var(--muted);margin-top:8px;font-size:13px}.status-box{white-space:pre-wrap;border:1px solid var(--line);background:#f9fafb;border-radius:12px;margin-top:16px;padding:14px}.article-hero{padding:40px 0 12px}.article-hero-card{border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);background:linear-gradient(#fff 0%,#f8fbff 100%);padding:24px}.article-meta{flex-wrap:wrap;gap:10px;margin-top:16px;display:flex}.article-chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px;font-weight:700}.article-body{gap:22px;display:grid}.article-section{margin-top:6px}.article-section-title{letter-spacing:-.01em;margin:0;font-size:26px;font-weight:900;line-height:1.35}.article-section-card{border:1px solid var(--line);box-shadow:var(--shadow);background:#fff;border-radius:18px;margin-top:14px;padding:22px}.article-section-card p{margin:0}.article-section-card p+p{margin-top:12px}.article-section-card ul,.article-section-card ol{margin:12px 0 0;padding-left:20px}.article-section-card li+li{margin-top:6px}.article-highlight{border-left:4px solid var(--accent);background:#f8fbff;border-radius:0 14px 14px 0;padding:16px 18px}.article-highlight strong{color:var(--accent)}.article-summary-box{box-shadow:var(--shadow);background:linear-gradient(#fff 0%,#f8fbff 100%);border:1px solid #dbeafe;border-radius:18px;padding:22px}.article-summary-box p{margin:0}.article-summary-box p+p{margin-top:12px}.related-grid{grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;display:grid}@media (max-width:920px){.hero-grid{grid-template-columns:1fr}}@media (max-width:720px){.site-header-inner{flex-direction:column;align-items:flex-start}.site-nav{gap:8px}.page-title{font-size:31px}.page-lead{font-size:16px}.article-section-title{font-size:22px}.container,.narrow-container,.article-shell{padding:18px}.button-primary,.button-secondary,.button-danger{width:100%}}