The Authentic Orthography
Northern Island · Northern sea circuit
Why hokkaidō.com is the correct form
北海道
The name in its original Japanese form. A name that carries the full phonetic weight of its source tradition.
HOKKAIDO
Stripped of its identity, the name was reduced to plain Latin letters. The original orthography — stress, length, breathing — was erased by systems that only understand A-Z.
Hokkaidō
The Unicode restoration recovers what ASCII destroyed. This is philological accuracy — not decoration. The domain encodes to Punycode, but the browser displays the truth.
hokkaidō.com → xn--hokkaid-cmb.com
The non-ASCII characters in Hokkaidō are encoded while the ASCII remains visible. To the DNS, it is Punycode. To humanity, it is Hokkaidō.
How hokkaido becomes Hokkaidō
| Step | ASCII | Unicode | Type | Scholarly Note | |
|---|---|---|---|---|---|
| 01 | h | → | H | Same | Same |
| 02 | o | → | o | Same | Short vowel |
| 03 | k | → | k | Same | Same |
| 04 | k | → | k | Same | Same |
| 05 | a | → | a | Same | Same |
| 06 | i | → | i | Same | Same |
| 07 | d | → | d | Same | Same |
| 08 | o | → | ō | Length | Macron: long vowel |
Why Hokkaidō is classified as Tier-1 Macron-Preserving
The Japanese original 北海道 contains both stress AND at least one long vowel. However, there is only one historically valid Unicode restoration. The ASCII fallback is modern English, not ancient canonical. This is the full scholarly orthography — a single-tier Tier-1 name.
See how Hokkaidō behaves in the PUNYCODEX Type Tool — with predictive autocomplete, character-by-character breakdown, and scholarly constraint validation.
hokkaido
→
Hokkaidō