The DEMO version only includes 4 pages:
http://yume-kaigyou.com
http://yume-kaigyou.com/greeting.html
http://yume-kaigyou.com/recruitment.html
http://yume-kaigyou.com/flow.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page