:root{--color-bg:#eef1f5;--color-surface:#fff;--color-border:#d5dae2;--color-text:#1f2933;--color-text-weak:#64707d;--color-primary:#1d4ed8;--color-primary-weak:#e5edff;--color-danger:#d62828;--toolbar-height:52px;--palette-width:168px;--inspector-width:288px;--radius:8px;--tap-size:44px}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{color:var(--color-text);background:var(--color-bg);-webkit-text-size-adjust:100%;overscroll-behavior:none;font-family:Segoe UI,Yu Gothic UI,Hiragino Sans,Noto Sans JP,system-ui,sans-serif}button{font-family:inherit}.visually-hidden{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app{flex-direction:column;height:100%;min-height:0;display:flex}.app__body{grid-template-columns:var(--palette-width) minmax(0, 1fr) var(--inspector-width);flex:1;min-height:0;display:grid}.toolbar{background:var(--color-surface);border-bottom:1px solid var(--color-border);flex-wrap:wrap;align-items:center;gap:6px 12px;padding:6px 10px;display:flex}.toolbar__group{align-items:center;gap:4px;display:flex}.toolbar__group--status{color:var(--color-text-weak);gap:10px;margin-left:auto;font-size:12px}.toolbar__menu-toggle{display:none}.toolbar__file{text-overflow:ellipsis;white-space:nowrap;max-width:220px;overflow:hidden}.toolbar__value{text-align:center;font-variant-numeric:tabular-nums;min-width:56px;font-size:13px}.toolbar__save--saved{color:#1a7f37}.toolbar__save--error{color:var(--color-danger)}.btn{min-height:34px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;padding:0 12px;font-size:13px}.btn:hover:not(:disabled){background:#f3f6fb}.btn:disabled{opacity:.45;cursor:not-allowed}.btn--primary{color:#fff;background:var(--color-primary);border-color:var(--color-primary)}.btn--primary:hover:not(:disabled){background:#1740b5}.btn--icon{min-width:40px;padding:0 8px}.btn--ghost{background:0 0;border-color:#0000}.btn--danger{color:#fff;background:var(--color-danger);border-color:var(--color-danger)}.palette{background:var(--color-surface);border-right:1px solid var(--color-border);flex-direction:column;gap:10px;padding:12px 10px;display:flex;overflow-y:auto}.palette__title{color:var(--color-text-weak);letter-spacing:.08em;margin:0;font-size:12px;font-weight:600}.palette__items{flex-direction:column;gap:8px;display:flex}.palette__item{min-height:var(--tap-size);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;text-align:left;align-items:center;gap:10px;padding:6px 10px;display:flex}.palette__item--active{border-color:var(--color-primary);background:var(--color-primary-weak);box-shadow:inset 0 0 0 1px var(--color-primary)}.palette__label{font-size:13px}.palette__cursor{width:34px;height:34px;color:var(--color-text-weak);justify-content:center;align-items:center;font-size:18px;display:inline-flex}.palette__toggle{color:var(--color-text-weak);align-items:center;gap:8px;font-size:12px;display:flex}.palette__hint{color:var(--color-text-weak);margin:0;font-size:11px;line-height:1.5}.viewer{touch-action:none;-webkit-user-select:none;user-select:none;background:#6b7280;position:relative;overflow:hidden}.viewer--placing{cursor:crosshair}.viewer--empty{background:var(--color-bg);justify-content:center;align-items:center;display:flex}.viewer__placeholder{text-align:center;background:var(--color-surface);border:1px solid var(--color-border);border-radius:12px;max-width:420px;padding:24px}.viewer__placeholder-title{margin:0 0 8px;font-size:16px;font-weight:600}.viewer__placeholder-text{color:var(--color-text-weak);margin:0;font-size:13px;line-height:1.7}.viewer__stage{transform-origin:0 0;background:#fff;position:absolute;top:0;left:0;box-shadow:0 2px 12px #00000059}.viewer__canvas{pointer-events:none;display:block;position:absolute;top:0;left:0}.marker-layer{position:absolute;top:0;left:0;overflow:visible}.marker{cursor:grab}.marker__hit{fill:#0000;stroke:none}.marker__selection{fill:#1d4ed81f;stroke:var(--color-primary);stroke-width:1.5px;stroke-dasharray:4 3}.marker__label{paint-order:stroke;stroke:#fff;stroke-width:3px;stroke-linejoin:round;font-family:Yu Gothic,Hiragino Sans,Noto Sans JP,sans-serif;font-weight:700}.viewer__mode-badge{color:#fff;pointer-events:none;background:#111827d9;border-radius:999px;align-items:center;gap:8px;padding:6px 14px;font-size:12px;display:flex;position:absolute;top:10px;left:50%;transform:translate(-50%)}.viewer__mode-dot{border-radius:50%;width:10px;height:10px}.viewer__error{color:#fff;border-radius:var(--radius);background:#d62828eb;padding:8px 14px;font-size:12px;position:absolute;bottom:12px;left:50%;transform:translate(-50%)}.inspector{background:var(--color-surface);border-left:1px solid var(--color-border);flex-direction:column;gap:10px;padding:12px;display:flex;overflow-y:auto}.inspector--empty{justify-content:center}.inspector__empty-text{color:var(--color-text-weak);text-align:center;margin:0;font-size:12px;line-height:1.7}.inspector__header{justify-content:space-between;align-items:center;display:flex}.inspector__title{margin:0;font-size:15px}.inspector__close{min-width:32px;min-height:32px;font-size:14px}.field{color:var(--color-text-weak);flex-direction:column;gap:4px;font-size:12px;display:flex}.field--inline{flex-direction:row;align-items:center;gap:8px}.field__label{justify-content:space-between;display:flex}.field__value{color:var(--color-text);font-variant-numeric:tabular-nums}.field__control{min-height:38px;color:var(--color-text);background:var(--color-surface);border:1px solid var(--color-border);border-radius:var(--radius);padding:6px 8px;font-size:14px}.field__control--area{resize:vertical;min-height:64px}.field__control--range{min-height:var(--tap-size);background:0 0;border:none;padding:0}.inspector__meta{color:var(--color-text-weak);gap:16px;margin:0;font-size:11px;display:flex}.inspector__meta dt{font-weight:600}.inspector__meta dd{margin:2px 0 0}.inspector__delete{min-height:var(--tap-size);margin-top:auto}.notices{z-index:40;flex-direction:column;gap:8px;width:min(520px,100vw - 32px);display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.notice{color:#fff;border-radius:var(--radius);background:#1f2933f2;align-items:center;gap:12px;padding:10px 14px;font-size:13px;line-height:1.6;display:flex;box-shadow:0 4px 16px #00000040}.notice--error{background:#be1e1ef5}.notice__text{flex:1}.notice__close{color:inherit;cursor:pointer;background:0 0;border:none;font-size:14px}.busy{z-index:50;background:#0f172a59;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.busy__box{background:var(--color-surface);border-radius:var(--radius);padding:16px 24px;font-size:14px;box-shadow:0 6px 24px #0000004d}@media (max-width:1024px){.app__body{grid-template-rows:minmax(0,1fr) auto;grid-template-columns:minmax(0,1fr)}.palette{border-right:none;border-top:1px solid var(--color-border);flex-direction:row;grid-row:2;align-items:center;gap:12px;padding:8px 12px;overflow-x:auto}.palette__title{display:none}.palette__items{flex-direction:row}.palette__item{justify-content:center;min-width:96px}.palette__hint{display:none}.palette__toggle{white-space:nowrap}.inspector{z-index:30;border-left:none;border-top:1px solid var(--color-border);max-height:62vh;padding-bottom:calc(12px + env(safe-area-inset-bottom));border-radius:14px 14px 0 0;position:fixed;bottom:0;left:0;right:0;box-shadow:0 -6px 24px #00000038}.inspector--empty{display:none}.inspector__delete{margin-top:8px}}@media (max-width:640px){.toolbar{gap:4px 6px;padding:4px 6px}.toolbar__menu-toggle{order:-1;justify-content:center;align-items:center;display:inline-flex}.toolbar__group--files{display:none}.toolbar--menu-open .toolbar__group--files{flex-wrap:wrap;order:10;width:100%;display:flex}.toolbar__group--files .btn{flex:auto;padding:0 8px;font-size:12px}.toolbar__group--status{flex:1;justify-content:flex-end;font-size:11px}.toolbar__file{max-width:34vw}.toolbar__value{min-width:44px;font-size:12px}.btn{min-height:38px}.btn--icon{min-width:34px;padding:0 4px}.toolbar__group .btn--icon:not(.toolbar__menu-toggle){font-size:11px}.viewer__mode-badge{white-space:nowrap;max-width:92%;padding:4px 10px;font-size:11px}.palette__item{min-width:84px;min-height:48px}.inspector{max-height:66vh}}@media (pointer:coarse){.btn{min-height:40px}}