Warnings:
Consider avoiding viewport values that prevent users from resizing documents.
The first occurrence of ID “fb-root” was here.
Element name “gcse:searchbox-only” cannot be represented as XML 1.0.
The “banner” role is unnecessary for element “header”.
The “navigation” role is unnecessary for element “nav”.
Attribute “超"基礎テクニックセミナー（東京・大阪）」開催（ボーンデジタル）"” is not serializable as XML 1.0.
Section lacks heading. Consider using “h2”-“h6” elements to add identifying headings to all sections.
Attribute “ケタハズレ"のアニメづくりとは？"” is not serializable as XML 1.0.
The “contentinfo” role is unnecessary for element “footer”.
Errors:
Duplicate ID “fb-root”.
Bad element name “gcse:searchbox-only”: Code point “U+003A” is not allowed
Element “style” not allowed as child of element “div” in this context. (Suppressing further errors from this subtree.)
No space between attributes.
Quote “"” in attribute name. Probable cause: Matching quote missing somewhere earlier.
Attribute “超"基礎テクニックセミナー（東京・大阪）」開催（ボーンデジタル）"” not allowed on element “img” at this point.
The “font” element is obsolete. Use CSS instead.
No “li” element in scope but a “li” end tag seen.
Stray end tag “ul”.
Attribute “ケタハズレ"のアニメづくりとは？"” not allowed on element “img” at this point.
The text content of element “time” was not in the required format: The literal did not satisfy the time-datetime format.
Japan JP