:root{--primary:#2563eb;--primary-dark:#1d4ed8;--primary-light:#eff6ff;--secondary:#64748b;--danger:#dc2626;--success:#16a34a;--warning:#d97706;--bg:#f8fafc;--white:#fff;--border:#e2e8f0;--text:#1e293b;--text-muted:#64748b;--radius:8px;--shadow:0 1px 3px #00000014, 0 1px 2px #0000000f;--shadow-md:0 4px 6px #00000012, 0 2px 4px #0000000f}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);min-font-size:14px;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Hiragino Kaku Gothic ProN,Noto Sans JP,sans-serif;font-size:16px;line-height:1.6}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}.header{background:var(--white);border-bottom:1px solid var(--border);z-index:100;height:56px;box-shadow:var(--shadow);justify-content:space-between;align-items:center;padding:0 20px;display:flex;position:sticky;top:0}.header-logo{color:var(--primary);align-items:center;gap:8px;font-size:17px;font-weight:700;text-decoration:none;display:flex}.header-nav{gap:4px;display:flex}.header-nav a{border-radius:var(--radius);color:var(--text-muted);padding:6px 12px;font-size:14px;font-weight:500;text-decoration:none}.header-nav a:hover,.header-nav a.active{background:var(--primary-light);color:var(--primary)}.container{max-width:900px;margin:0 auto;padding:24px 20px}.page-title{margin-bottom:20px;font-size:22px;font-weight:700}.card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:20px}.card+.card{margin-top:12px}.notice-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);color:var(--text);padding:16px 20px;text-decoration:none;transition:box-shadow .15s;display:block}.notice-card:hover{box-shadow:var(--shadow-md)}.notice-card+.notice-card{margin-top:10px}.notice-card-title{margin-bottom:4px;font-size:16px;font-weight:600}.notice-card-meta{color:var(--text-muted);flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;display:flex}.notice-card-body{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;margin-top:8px;font-size:14px;overflow:hidden}.badge{border-radius:99px;align-items:center;padding:2px 8px;font-size:12px;font-weight:600;display:inline-flex}.badge-new{color:#92400e;background:#fef3c7}.badge-all{color:#0369a1;background:#f0f9ff}.badge-leader{color:#7e22ce;background:#fdf4ff}.badge-draft{color:#475569;background:#f1f5f9}.badge-scheduled{color:#15803d;background:#f0fdf4}.badge-published{color:#1d4ed8;background:#eff6ff}.badge-archived{color:#991b1b;background:#fef2f2}.btn{border-radius:var(--radius);cursor:pointer;border:none;justify-content:center;align-items:center;gap:6px;padding:9px 18px;font-size:14px;font-weight:600;text-decoration:none;transition:background .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark);color:#fff;text-decoration:none}.btn-secondary{background:var(--white);color:var(--text);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg);text-decoration:none}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{color:#fff;background:#b91c1c}.btn-sm{padding:6px 12px;font-size:13px}.icon-btn{justify-content:center;align-items:center;padding:6px 8px;display:inline-flex;position:relative}.icon-btn:after{content:attr(title);color:#fff;white-space:nowrap;pointer-events:none;opacity:0;background:#000000bf;border-radius:4px;padding:3px 7px;font-size:11px;transition:opacity .15s;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%)}.icon-btn:hover:after{opacity:1}.btn-lg{padding:12px 24px;font-size:16px}.btn-full{width:100%}.btn:disabled{opacity:.6;cursor:not-allowed}.form-group{margin-bottom:18px}.form-label{margin-bottom:6px;font-size:14px;font-weight:600;display:block}.form-label .required{color:var(--danger);margin-left:4px}.form-control{border:1px solid var(--border);border-radius:var(--radius);width:100%;color:var(--text);background:var(--white);outline:none;padding:10px 12px;font-family:inherit;font-size:15px;transition:border-color .15s}.form-control:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}textarea.form-control{resize:vertical;min-height:120px}.form-hint{color:var(--text-muted);margin-top:4px;font-size:13px}.form-error{color:var(--danger);margin-top:4px;font-size:13px}.search-bar{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);margin-bottom:20px;padding:16px 20px}.search-row{flex-wrap:wrap;align-items:flex-end;gap:10px;display:flex}.search-row .form-group{flex:1;min-width:140px;margin-bottom:0}.section-heading{justify-content:space-between;align-items:center;margin-bottom:14px;display:flex}.section-heading h2{font-size:17px;font-weight:700}.table{border-collapse:collapse;width:100%}.table th,.table td{text-align:left;border-bottom:1px solid var(--border);padding:12px 16px;font-size:14px}.table th{color:var(--text-muted);background:var(--bg);font-size:13px;font-weight:600}.table tr:last-child td{border-bottom:none}.table tr:hover td{background:var(--bg)}.admin-layout{min-height:calc(100vh - 56px);display:flex}.admin-sidebar{background:var(--white);border-right:1px solid var(--border);flex-shrink:0;width:220px;padding:20px 12px}.admin-sidebar-item{border-radius:var(--radius);color:var(--text-muted);cursor:pointer;align-items:center;gap:8px;margin-bottom:2px;padding:9px 12px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.admin-sidebar-item:hover,.admin-sidebar-item.active{background:var(--primary-light);color:var(--primary);text-decoration:none}.admin-sidebar-section{color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;margin-top:8px;padding:8px 12px 4px;font-size:11px;font-weight:700}.admin-content{flex:1;padding:28px 32px}.stats-grid{grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:16px;margin-bottom:28px;display:grid}.stat-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px}.stat-card-label{color:var(--text-muted);margin-bottom:6px;font-size:13px}.stat-card-value{color:var(--primary);font-size:28px;font-weight:700}.file-upload{border:2px dashed var(--border);border-radius:var(--radius);text-align:center;color:var(--text-muted);cursor:pointer;padding:32px;transition:border-color .15s,background .15s}.file-upload:hover{border-color:var(--primary);background:var(--primary-light)}.pagination{justify-content:center;gap:4px;margin-top:24px;display:flex}.page-btn{border-radius:var(--radius);border:1px solid var(--border);background:var(--white);cursor:pointer;width:36px;height:36px;color:var(--text);justify-content:center;align-items:center;font-size:14px;display:flex}.page-btn.active{background:var(--primary);color:#fff;border-color:var(--primary)}.page-btn:hover:not(.active){background:var(--bg)}.alert{border-radius:var(--radius);margin-bottom:16px;padding:12px 16px;font-size:14px}.alert-info{background:var(--primary-light);color:#1e40af;border:1px solid #bfdbfe}.alert-error{color:#991b1b;background:#fef2f2;border:1px solid #fecaca}.divider{border:none;border-top:1px solid var(--border);margin:20px 0}.loading{text-align:center;color:var(--text-muted);padding:40px;font-size:14px}.rich-editor{border:1px solid var(--border);border-radius:var(--radius)}.rich-editor-toolbar{background:var(--bg);border-bottom:1px solid var(--border);flex-wrap:wrap;align-items:center;gap:2px;padding:6px 8px;display:flex;overflow:visible}.rich-editor-toolbar button{cursor:pointer;color:var(--text);background:0 0;border:1px solid #0000;border-radius:4px;min-width:30px;padding:4px 8px;font-size:13px;position:relative}.rich-editor-toolbar button:hover{background:var(--white);border-color:var(--border)}.rich-editor-toolbar button:after{content:attr(title);color:#fff;white-space:nowrap;pointer-events:none;opacity:0;background:#000000bf;border-radius:4px;padding:3px 7px;font-size:11px;transition:opacity .15s;position:absolute;bottom:calc(100% + 6px);left:50%;transform:translate(-50%)}.rich-editor-toolbar button:hover:after{opacity:1}.rich-editor-toolbar button.active{background:var(--primary-light);color:var(--primary);border-color:var(--primary)}.rich-editor-toolbar button:disabled{opacity:.4;cursor:not-allowed}.rich-editor-separator{background:var(--border);width:1px;height:20px;margin:0 4px}.rich-editor-content{min-height:160px;padding:10px 12px}.rich-editor-content .tiptap{outline:none;min-height:140px;line-height:1.7}.rich-editor-content .tiptap p{margin-bottom:.5em}.rich-editor-content .tiptap a{color:var(--primary);text-decoration:underline}.rich-editor-content .tiptap ul,.rich-editor-content .tiptap ol{margin-bottom:.5em;padding-left:1.5em}.notice-body{line-height:1.8}.notice-body p{margin-bottom:.75em}.notice-body a{color:var(--primary);text-decoration:underline}.notice-body ul,.notice-body ol{margin-bottom:.75em;padding-left:1.5em}.notice-body h1,.notice-body h2,.notice-body h3{margin-bottom:.5em;font-weight:700}.viewer-bottom-nav{display:none}.admin-hamburger{cursor:pointer;color:var(--text);background:0 0;border:none;padding:4px 8px;font-size:22px;display:none}.admin-sidebar-overlay{z-index:99;background:#0000004d;display:none;position:fixed;inset:0}@media (width<=640px){.header-nav{display:none}.admin-hamburger{display:block}.admin-sidebar{z-index:100;height:calc(100vh - 56px);transition:transform .2s;display:block;position:fixed;top:56px;left:0;transform:translate(-100%)}.admin-sidebar.open{transform:translate(0)}.admin-sidebar-overlay{display:block}.admin-content,.container{padding:16px}.stats-grid{grid-template-columns:1fr 1fr}.viewer-bottom-nav{background:var(--white);border-top:1px solid var(--border);z-index:50;display:flex;position:fixed;bottom:0;left:0;right:0}.viewer-bottom-nav a,.viewer-bottom-nav button{padding:8px 0 calc(8px + env(safe-area-inset-bottom));color:var(--text-muted);cursor:pointer;background:0 0;border:none;flex-direction:column;flex:1;justify-content:center;align-items:center;gap:3px;font-size:10px;text-decoration:none;display:flex}.viewer-bottom-nav a.active{color:var(--primary)}.viewer-bottom-nav .nav-icon{font-size:20px}.viewer-bottom-nav-spacer{height:64px}}