.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{width:var(--sidebar-width);background:var(--color-accent);color:#fff;display:flex;flex-direction:column;flex-shrink:0;overflow-y:auto}.sidebar-header{display:flex;align-items:center;gap:10px;padding:20px 16px 16px;border-bottom:1px solid rgba(255,255,255,.12)}.sidebar-logo{width:36px;height:36px;background:#ffffff26;border-radius:8px;display:flex;align-items:center;justify-content:center;flex-shrink:0}.sidebar-logo-mark{font-size:13px;font-weight:700;letter-spacing:.5px}.sidebar-title{font-size:13px;font-weight:700;line-height:1.3}.sidebar-subtitle{font-size:11px;opacity:.7}.sidebar-nav{padding:12px 8px;display:flex;flex-direction:column;gap:2px}.sidebar-link{display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:var(--radius);color:#ffffffbf;font-size:13px;font-weight:500;transition:background .15s,color .15s;text-decoration:none}.sidebar-link:hover{background:#ffffff1a;color:#fff;text-decoration:none}.sidebar-link.active{background:#ffffff2e;color:#fff}.app-main{flex:1;overflow-y:auto;background:var(--color-bg)}.page{max-width:860px;margin:0 auto;padding:28px 24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:12px}.page-title{font-size:18px;font-weight:700;color:var(--color-text)}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius);border:none;font-weight:500;cursor:pointer;transition:background .15s;white-space:nowrap}.btn-primary{background:var(--color-accent);color:#fff}.btn-primary:hover{background:var(--color-accent-hover)}.btn-secondary{background:var(--color-surface);color:var(--color-text);border:1px solid var(--color-border)}.btn-secondary:hover{background:var(--color-bg)}.btn-danger{background:var(--color-surface);color:var(--color-danger);border:1px solid var(--color-border)}.btn-danger:hover{background:#fef2f2}.btn-sm{padding:4px 10px;font-size:12px}.card{background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);box-shadow:var(--shadow)}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:14px}.form-label{font-size:12px;font-weight:600;color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.5px}.form-input,.form-textarea{width:100%;padding:8px 10px;border:1px solid var(--color-border);border-radius:var(--radius);color:var(--color-text);background:var(--color-surface);transition:border-color .15s;outline:none}.form-input:focus,.form-textarea:focus{border-color:var(--color-accent-light);box-shadow:0 0 0 3px #2d5a9e1a}.form-textarea{resize:vertical;min-height:80px}.loading{display:flex;align-items:center;justify-content:center;padding:60px;color:var(--color-text-secondary);font-size:13px}.error-msg{background:#fef2f2;border:1px solid #fecaca;color:var(--color-danger);padding:10px 14px;border-radius:var(--radius);font-size:13px;margin-bottom:16px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:100px;font-size:11px;font-weight:600;gap:4px}.badge-pin{background:#fef3c7;color:var(--color-pin)}.badge-archive{background:#f3f4f6;color:var(--color-text-secondary)}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--color-surface);border-radius:10px;box-shadow:0 20px 60px #0003;width:100%;max-width:480px;padding:24px}.modal-title{font-size:16px;font-weight:700;margin-bottom:16px}.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px}@media(max-width:640px){.app-layout{flex-direction:column}.sidebar{width:100%;height:auto}.sidebar-nav{flex-direction:row;padding:8px;overflow-x:auto}.app-main{height:calc(100vh - 120px)}.page{padding:16px}}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--color-bg: #f5f6f8;--color-surface: #ffffff;--color-border: #e2e4e9;--color-text: #1a1d23;--color-text-secondary: #6b7280;--color-accent: #1e3a5f;--color-accent-light: #2d5a9e;--color-accent-hover: #162d4a;--color-danger: #dc2626;--color-success: #16a34a;--color-pin: #d97706;--sidebar-width: 240px;--radius: 6px;--shadow: 0 1px 3px rgba(0,0,0,.08), 0 1px 2px rgba(0,0,0,.04)}html,body,#root{height:100%}body{font-family:Noto Sans JP,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:14px;line-height:1.6;color:var(--color-text);background:var(--color-bg);-webkit-font-smoothing:antialiased}a{color:var(--color-accent-light);text-decoration:none}a:hover{text-decoration:underline}button{cursor:pointer;font-family:inherit;font-size:13px}input,textarea{font-family:inherit;font-size:14px}