:root{--text:#202122;--muted:#54595d;--link:#36c;--border:#a2a9b1;--line:#eaecf0;--bg:#fff;--panel:#f8f9fa;--head:#e7e8ec;--danger:#b32424}*{box-sizing:border-box}body{margin:0;color:var(--text);background:var(--bg);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic",Meiryo,sans-serif;line-height:1.72}.topbar{height:58px;display:flex;align-items:center;gap:14px;padding:0 18px;background:var(--head);border-bottom:1px solid #c8ccd1;position:sticky;top:0;z-index:20}.icon{font-size:25px;border:0;background:transparent;cursor:pointer}.brand{font-family:Georgia,"Yu Mincho",serif;font-size:26px;color:var(--text);text-decoration:none;line-height:1}.brand span{display:block;font-family:inherit;font-size:10px;color:var(--muted);letter-spacing:.08em;margin-top:4px}.search{display:flex;flex:1;max-width:440px;margin-left:20px}.search input{flex:1;min-width:0;border:1px solid var(--border);padding:7px 10px}.search button,.btn{border:1px solid var(--border);background:#fff;padding:7px 12px;cursor:pointer;border-radius:2px}.admin{margin-left:auto;color:var(--link);text-decoration:none;font-weight:600}.layout{max-width:1280px;margin:auto;display:grid;grid-template-columns:190px minmax(0,1fr);gap:28px;padding:0 24px}.sidebar{padding:26px 18px 40px 0;border-right:1px solid var(--line);min-height:calc(100vh - 58px)}.sidebar a{display:block;color:var(--link);text-decoration:none;padding:5px 0}.main{padding:28px 0 70px;min-width:0}.page-title{font-family:Georgia,"Yu Mincho",serif;font-weight:400;font-size:36px;border-bottom:1px solid var(--border);margin:0 0 8px;padding-bottom:7px}.subtitle{color:var(--muted);margin-bottom:18px}.notice,.message{border:1px solid var(--border);background:var(--panel);padding:14px 16px;margin:16px 0}.success{border-left:6px solid #14866d}.error{border-left:6px solid var(--danger);color:#7c1616}.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.card{border:1px solid var(--border);background:var(--panel);padding:14px}.card h3{margin:0 0 5px}.list{border-top:1px solid var(--line)}.list-row{display:flex;justify-content:space-between;gap:18px;padding:11px 4px;border-bottom:1px solid var(--line)}a{color:var(--link)}.muted{color:var(--muted);font-size:.9em}.article-actions{display:flex;gap:16px;border-bottom:1px solid var(--line);padding:8px 0 12px;margin-bottom:18px}.article-body{font-size:16px;overflow-wrap:anywhere}.article-body h2{font-family:Georgia,"Yu Mincho",serif;font-weight:400;border-bottom:1px solid var(--border);margin-top:28px}.article-body img{max-width:100%;height:auto}.article-body .infobox{float:right;max-width:340px;margin:0 0 20px 24px}.article-body table{border-collapse:collapse;max-width:100%}.article-body th,.article-body td{border:1px solid var(--border);padding:7px}.category-box{clear:both;border:1px solid var(--border);background:var(--panel);padding:10px;margin-top:28px}.form{display:grid;gap:10px;max-width:900px}.form label{font-weight:700}.form input,.form textarea,.form select{width:100%;border:1px solid var(--border);padding:9px;font:inherit}.form textarea{min-height:360px;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}.toolbar{display:flex;gap:9px;flex-wrap:wrap;margin:12px 0}.btn{text-decoration:none;color:var(--text)}.btn.primary{background:#36c;color:#fff;border-color:#36c}.btn.danger{background:var(--danger);color:#fff;border-color:var(--danger)}.login-box{max-width:520px;border:1px solid var(--border);background:var(--panel);padding:20px}.loading{text-align:center;color:var(--muted);padding:60px}.image-placeholder{border:1px dashed var(--border);padding:30px;text-align:center;color:var(--muted);background:var(--panel)}code{background:#eaecf0;padding:2px 4px}@media(max-width:800px){.topbar{padding:0 12px}.brand{font-size:22px}.search{margin-left:auto;max-width:140px}.search button{display:none}.layout{display:block;padding:0 14px}.sidebar{display:none;position:fixed;left:0;top:58px;bottom:0;width:250px;background:#fff;z-index:30;padding:20px;border-right:1px solid var(--border)}.sidebar.open{display:block}.main{padding-top:20px}.page-title{font-size:31px}.article-body .infobox{float:none;max-width:none;margin:18px 0}.list-row{display:block}.admin{font-size:14px}}

.admin{position:relative;z-index:50;display:inline-flex;align-items:center;min-height:44px;padding:0 8px;touch-action:manipulation;cursor:pointer}

.media-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px}.media-card{border:1px solid var(--border);background:var(--panel);padding:12px;display:grid;gap:8px}.media-card img{width:100%;height:190px;object-fit:contain;background:#fff;border:1px solid var(--line)}.media-upload{border:1px solid var(--border);background:var(--panel);padding:16px}.media-insert{display:grid;grid-template-columns:minmax(180px,1fr) auto auto;gap:8px;align-items:end;border:1px solid var(--line);background:var(--panel);padding:10px}.media-insert label{grid-column:1/-1}.article-image{margin:14px auto;text-align:center;max-width:520px}.article-image img,.portrait-image{display:block;width:100%;height:auto;margin:auto}.article-image figcaption{font-size:.85em;color:var(--muted);padding-top:5px}.infobox .portrait-image{width:100%;max-height:520px;object-fit:cover;background:#fff}@media(max-width:700px){.media-insert{grid-template-columns:1fr}.media-insert label{grid-column:auto}.media-card img{height:auto}}