Callout

Precautions
Precautions and prohibitions for Ad Insertion
Rules for Using Characters and Symbols
1. Ad Insertion Rules
Text Number of characters Up to 25 characters
How to Count Count as 2 both for full-width char and half-width Katakana char, count as 1 for half-width alphanumeric
Number of supported symbols Up to one symbol character of the same type. Only quotation marks can be used up to one pair.
 
2. Supported character types, space type and Symbol types
 
Supported Character Types
Hiragana Double byte
Katakana Double byte
Alphanumeric Double byte/Single byte
Supported Space Type
Space Single byte
Supported Symbol Types
Types Symbols
Parentheses （ ） (Double byte)
( ) (Single byte)
Quotation mark ‘’｀´ “ ” (Double byte) " ' (Single byte)
Punctuation mark 。 、 (Double byte)
Middle dot ・ (Double byte)
Comma ， (Double byte) , (Single byte)
Dot ． (Double byte). (Single byte)
Wave dash 〜（Wave dash, Double byte）*Unicode: U+301C
～（Tilde, Double byte）*Unicode: U+FF5E
Percent ％ (Double byte) %（Single byte）
Ampersand ＆ (Double byte) &（Single byte）
Colon/semicolon ： ； (Double byte)
: ; (Single byte)
Three dot leader … (Double byte)
Hyphen ‐ (Double byte) - (Single byte)
Operator ＋ － ± × ÷ ＝ ≠ ∞ (Double byte)
- +(Single byte)
Slash ／ (Double byte)
/（Single byte）
Question/exclamation mark ？ ！ (Double byte)
? ! (Single byte)
Other ￥ ＠ ＃ ♯ (Double byte)
¥ @ # $（Single byte）
Greek /Cyrillic characters ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ (Double byte)
αβγδεζηθικλμνξοπρστυφχψω (Double byte)
АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ (Double byte)
абвгдеёжзийклмнопрстуфхцчшщъыьэюя (Double byte)
*No limit in number of punctuation marks, middle dots, commas, and periods.

Text	Number of characters	Up to 25 characters
	How to Count	Count as 2 both for full-width char and half-width Katakana char, count as 1 for half-width alphanumeric
	Number of supported symbols	Up to one symbol character of the same type. Only quotation marks can be used up to one pair.

Hiragana	Double byte
Katakana	Double byte
Alphanumeric	Double byte/Single byte

Types	Symbols
Parentheses	（） (Double byte) ( ) (Single byte)
Quotation mark	‘’｀´ “ ” (Double byte) " ' (Single byte)
Punctuation mark	。、 (Double byte)
Middle dot	・ (Double byte)
Comma	， (Double byte) , (Single byte)
Dot	． (Double byte). (Single byte)
Wave dash	〜（Wave dash, Double byte）Unicode: U+301C ～（Tilde, Double byte）Unicode: U+FF5E
Percent	％ (Double byte) %（Single byte）
Ampersand	＆ (Double byte) &（Single byte）
Colon/semicolon	：； (Double byte) : ; (Single byte)
Three dot leader	… (Double byte)
Hyphen	‐ (Double byte) - (Single byte)
Operator	＋－ ± × ÷ ＝ ≠ ∞ (Double byte) - +(Single byte)
Slash	／ (Double byte) /（Single byte）
Question/exclamation mark	？！ (Double byte) ? ! (Single byte)
Other	￥＠＃ ♯ (Double byte) ¥ @ # $（Single byte）
Greek /Cyrillic characters	ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ (Double byte) αβγδεζηθικλμνξοπρστυφχψω (Double byte) АБВГДЕЁЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ (Double byte) абвгдеёжзийклмнопрстуфхцчшщъыьэюя (Double byte)