Start of placement, confirmation, and end of placement time
Time to start placement
0 a.m. on the first day of placement or the first day of a change in ads placed
Placement confirmation period
By noon on the first day of placement (If the placement starts on a weekend or a holiday, by noon the next business day)
*In case any inadequacies concerning placement are found during the confirmation period, they will be excluded from placement compensation.
Time to end placement
0 a.m. on the day of end of placement
Change to the placement period
Please let us know beforehand if you would like to specify a specific start and end time during your ad placement period.
Text ads (Revised April 3, 2017)
Please note one-byte katakana characters cannot be used. Please avoid using one-byte characters that are difficult to read on-screen in sequence as much as possible. Characters used only on specific operating systems or personal computers cannot be used.

List of usable symbols

Two-byte symbols

,.´¨_-±×÷´"§ΛΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩαβγδεζηθικμνξοπρστυφχψωАБВГДЕЖЗИЙК ЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыьэюя

One-byte symbols


Third-party ad-serving
Please comply with ad insertion specifications and ad regulations.
Change of ad materials
If you need to change your ad materials or link URL due to a compelling reason such as a server error on linked pages, we can change them only on business days. You will not be able to designate dates or times for such changes.
Audio ads
You can place audio ads only if the audio is muted by default. Please avoid using uncomfortable sounds such as sirens, cataclysmic noises, and voices of animals causing harm. Please make sure to explicitly display a button to control volume or to turn on and off the audio. Please contact us for details regarding output time, volumes, and other details based on your ad materials.
Placement of multiple ads
You can place up to four ad materials (each with a single link) in the same ad spot during the placement period. Please submit all materials at the same time, along with linked URLs, by the submission deadline.
Animation videos
Please make sure to avoid displaying harmful animations, based on JBA's guidelines on animations and other video expressions (available only in Japanese).
We do not accept rapidly changing image cuts, image transitions accompanied by brightly blinking images resulting from highly contrasting screen color inversions irrespective of color, or images in which large spaces are covered with regular patterns (stripes, whirlpools, concentric circles, etc.)
No imitated ads
- No ad content that may result to unintentional or accidental clicks, such as OS/application windows, icons, cursors, buttons, etc. This includes showing search boxes that does not have search function.
- No ads that may mimic content and brand of the Asahi Shimbun Digital (color patterns, designs, etc.).

Open ad in the same window with a back button
For better user experience, please make sure users can come back to The Asahi Shimbun Digital by opening the link in the same window with a back button. For ads that may open in a new window such as third party ad serving, please specify the size to be smaller than the users' original window.
Other notes
Disclaimer due to maintenance of systems related to the Asahi Shimbun Digital, etc.
The following are excluded from placement compensation.

In case Asahi Shimbun Digital-related systems suspend the distribution of ads owing to maintenance at midnight or during other time slots.
In case a system error occurs owing to access concentration for serious incidents, accidents, etc., or the placement of the ad is cancelled in order to constrain system errors and other problems.
Responsibility for advertisement
In the event of problems arising from the content of the ads or any loss to our company as a result of the ad placement, the relevant advertisers shall address all such problems and cover all costs for the losses.
Exclusion of competitors
We do not make adjustments such as business type, ad content or ad placement to eliminate competition between advertisers' business within the websites and pages related to The Asahi Shimbun Digital.
Other inquiries
For other inquiries, please kindly find contact information of the relevant teams, and contact the team accordingly. For detailed contact information, please visit the website below.

- Opinions and inquiries about The Asahi Shimbun, newspaper articles, etc.