シャフト: http://www.shaft-web.co.jp/home.html highres:
High resolution images.
An image with this tag should be more than 1700 pixels wide and 700 pixels tall.
This tag is automatically added to images. wide image:
An image that has aspect ratio of more than 8:5 (width bigger than height in1.6+ times).
This tag is automatically added to images.