Fixed a bug where apps could crash when editing bridge piers.

The developer has changed from Googoleplex Ltd. to Hayashi Koichi's own business.
This is why the support URL has been changed.

Compatible with macOS Sonoma.
Fixed a bug where the help screen image was not displayed.
Fixed a bug where the "Privacy policy" item was not displayed in the Help menu.

-Supported macOS 11.
-Supported Apple Silicon.

Improved speed of application launch and memory usage.
Added menu item "Privacy policy" in "Help" menu.

Fixed a bug that nothing is displayed in the file list when launch with macos 10.10(Yosemite).

Improved UI at layout editing.

Added night view mode.

Added functions of cut, copy and paste item in edit mode.
Added function that unlimited undo and redo as far as disk space allows.

Fixed minor bugs.

Fixed a bug about item dragging.
Other bugs fixed.

-Improved user interface in edit mode.
-Fixed a bug when editing a track.