Recommended Environment.

Recommended Environment

OS: Windows Vista / Windows 7 / Windows 8

Mac OS X(10.4 or later)

■Monitor resolution
1024×768 pixels or greater

■Internet connection speed
56kpbs or over (some contents are for broadband connection)

Web Browsers

Microsoft Internet Explorer 8.0 or later;
the latest Apple Safari, the latest Mozilla Firefox, the latest Google Chrome
* We recommend the latest version of any browser software to use our site safely.


Some portions of this website use JavaScript. If JavaScript is not enabled in the settings of the browser you are using, some pages may not function or be displayed properly.
To ensure that you can view all of the content on the site, we recommend enabling JavaScript in your browser settings. Set the security level to medium or higher when using Internet Explorer.
For more details, please refer websites of each browser software.


Most portions of this website use CSS (cascading style sheets) for HTML coding.
If you are not using CSS browser or turning CSS off, it may show differently from the original.


"cookie information" refers to the information transferred to your hard disk from the website using "cookie", an industrial standard technology, for the purpose of storing records.
Your operation on the frequently used services will be simplified by using cookie.
Most browsers are initially set to support cookie, although cookie can be rejected by changing the user setting.
However, please note that some contents or functions may become unavailable due to such a change.


Our website is secured based on METI ministerial ordinance Article 17 and 18 of the Guideline for privacy protection related to electronic data processing in the private sector .
Your registered information are protected with password to secure your privacy.
Our website uses the industry standard SSL-secure transmission when necessary.
Cache function (when the screen shows old data)
When the screen shows old data, old image or broken layout, old cache data may be remaining in your PC.
If you delete the data in the cache folder, an updated page will show. In such case, take the following steps.

How to delete cache data

■Internet Explorer
Click Tools on the menu bar, then Internet Option. Under the General tab, click Delete in the Browsing History. Under the Temporary Internet Files, select Delete.

Click Safari on the menu bar, then Empty Cache and Empty.

Click Tools on the menu bar, then Option. Under the Details, select Network tab, and under the Offline Section, click Clear Now.

Click Tools on the menu bar, then Clear Browsing Data. Choose the period and click Empty the Cache, and then Clear Browsing Data.