@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700&family=Inter:wght@400;500;600;700&display=swap";
.column-page{max-width:1200px;margin:0 auto;padding:3rem 1.5rem 6rem;font-family:Noto Sans JP,Inter,sans-serif}.column-hero{text-align:center;margin-bottom:3rem}.column-hero h1{background:linear-gradient(135deg,#1e293b 0%,#3b82f6 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin-bottom:.75rem;font-size:2.25rem;font-weight:700}.column-hero p{color:#64748b;max-width:600px;margin:0 auto;font-size:1.05rem}.column-categories{flex-wrap:wrap;justify-content:center;gap:.5rem;margin-bottom:2.5rem;display:flex}.column-categories button{color:#64748b;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:9999px;padding:.4rem 1rem;font-size:.85rem;transition:all .2s}.column-categories button:hover{color:#3b82f6;border-color:#3b82f6}.column-categories button.active{color:#fff;background:#3b82f6;border-color:#3b82f6}.column-grid{grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem;display:grid}.column-card{color:inherit;background:#fff;border:1px solid #e2e8f0;border-radius:16px;flex-direction:column;padding:1.5rem;text-decoration:none;transition:all .25s;display:flex}.column-card:hover{border-color:#93c5fd;transform:translateY(-2px);box-shadow:0 8px 24px #3b82f614}.column-card-category{color:#3b82f6;background:#eff6ff;border-radius:4px;margin-bottom:.75rem;padding:.2rem .6rem;font-size:.75rem;font-weight:600;display:inline-block}.column-card h3{color:#1e293b;margin-bottom:.5rem;font-size:1.15rem;font-weight:600;line-height:1.5}.column-card p{color:#64748b;flex:1;font-size:.875rem;line-height:1.6}.column-card-date{color:#94a3b8;border-top:1px solid #f1f5f9;margin-top:1rem;padding-top:.75rem;font-size:.75rem}.column-article{max-width:800px;margin:0 auto;padding:3rem 1.5rem 4rem;font-family:Noto Sans JP,Inter,sans-serif}.column-article-header{border-bottom:1px solid #e2e8f0;margin-bottom:2.5rem;padding-bottom:1.5rem}.column-article-header h1{color:#1e293b;margin-bottom:.75rem;font-size:2rem;font-weight:700;line-height:1.4}.column-article-meta{color:#94a3b8;align-items:center;gap:1rem;font-size:.85rem;display:flex}.column-body h2{color:#1e293b;border-bottom:2px solid #e2e8f0;margin:2.5rem 0 1rem;padding-bottom:.5rem;font-size:1.5rem;font-weight:700}.column-body h3{color:#334155;margin:2rem 0 .75rem;font-size:1.2rem;font-weight:600}.column-body p{color:#475569;margin-bottom:1.25rem;font-size:1rem;line-height:1.9}.column-body ul,.column-body ol{color:#475569;margin-bottom:1.25rem;padding-left:1.5rem;line-height:1.8}.column-body li{margin-bottom:.3rem}.column-body blockquote{color:#475569;background:#f8fafc;border-left:4px solid #3b82f6;border-radius:0 8px 8px 0;margin:1.5rem 0;padding:1rem 1.5rem}.column-body code{color:#be185d;background:#f1f5f9;border-radius:4px;padding:.15rem .4rem;font-size:.9em}.column-body pre{color:#e2e8f0;background:#1e293b;border-radius:12px;margin:1.5rem 0;padding:1.25rem;overflow-x:auto}.column-body pre code{color:inherit;background:0 0;padding:0}.column-body table{border-collapse:collapse;width:100%;margin:1.5rem 0}.column-body th,.column-body td{text-align:left;border:1px solid #e2e8f0;padding:.75rem 1rem;font-size:.9rem}.column-body th{color:#334155;background:#f8fafc;font-weight:600}.column-body strong{color:#1e293b;font-weight:600}.column-body a{color:#3b82f6;text-decoration:underline}.column-body img{border-radius:12px;max-width:100%;margin:1.5rem 0}.column-cta{text-align:center;color:#fff;background:linear-gradient(135deg,#1e293b 0%,#334155 100%);border-radius:20px;margin-top:4rem;padding:2.5rem}.column-cta h2{margin-bottom:.75rem;font-size:1.5rem;font-weight:700}.column-cta p{color:#94a3b8;margin-bottom:1.5rem;font-size:.95rem}.column-cta-buttons{flex-wrap:wrap;justify-content:center;gap:1rem;display:flex}.column-cta-buttons a{border-radius:12px;align-items:center;gap:.5rem;padding:.75rem 1.5rem;font-size:.9rem;font-weight:600;text-decoration:none;transition:all .2s;display:inline-flex}.column-cta-buttons a.primary{color:#fff;background:#3b82f6}.column-cta-buttons a.primary:hover{background:#2563eb;transform:translateY(-1px)}.column-cta-buttons a.secondary{color:#e2e8f0;background:#ffffff1a;border:1px solid #fff3}.column-cta-buttons a.secondary:hover{background:#ffffff26}.column-back{color:#3b82f6;align-items:center;gap:.5rem;margin-bottom:2rem;font-size:.9rem;text-decoration:none;transition:color .2s;display:inline-flex}.column-back:hover{color:#1d4ed8}@media (max-width:768px){.column-hero h1{font-size:1.75rem}.column-grid{grid-template-columns:1fr}.column-article-header h1{font-size:1.5rem}.column-cta{padding:2rem 1.5rem}.column-cta-buttons{flex-direction:column;align-items:center}}
