In Japan on Japan Rail, the first class seating trains are called GREEN CARS. They require you to purchase GREEN CAR ticket. On Shinkansen, GREEN cars has 2x2 setting where regular glass cars have 2x3 seating.
If you travel to Japan and if you have JR Rail Pass ... Unless it says GREEN PASS, you are limited to seat on regular class. In addition, JR Rail Pass does not allow you to ride on NOZOMI SUPER EXPRESS. You need to ride on HIKARI or KODAMA SUPER EXPRESS. Between Tokyo and Shin-Osaka, NOZOMI is about 20 minutes faster. There is no JR Rail Pass that allow you to ride on NOZOMI.
Since 1996, Japanese-Online has been provided as a free service from PSPinc with the purpose of providing resources to individuals interested in learning about the Japanese Language and culture.
Japanese-Online has content suited to varying levels of study, including lessons for beginners as well as lessons tailored for those who need grammar and writing resources. Lessons are best suited to those who have basic understanding of hiragana and katakana alphabets before moving on to the more advanced grammar and particle lessons. Grammar lessons focus on learning about writing and creating more complex sentences and most lessons will not use romaji (Japanese sounds written with roman letters). Kanji is used in the lessons with hiragana and English translations provided.