Very nice Matt...thats a
Fatsia japonica by the Buddha, Piet...
I see a tree on the first inside curve; what type is it? I applaud the planting of the tree where it will obscure the rest of the path in a few years; excellent use of hide and reveal. In a smaller garden like yours it shows you have grasped the salient design issue and dealt with it nicely. Kudos.
The one thing that I feel you might be missing is rock; it is the bones of any Japanese garden; in some cases, it's the garden...

But a few stones of size help anchor pathways and bridges, draw eyes, and stabilize the visual movement of other elements. Now I know you don't have the ridiculous luxury of having had several Ice Ages deposit loads of stone in your neighborhood, like has in mine; in fact any loose stone in your country has been long turned into Stonehenge or a cathedral or something, but it really can change the feel of a garden, anchoring, stabilizing...
Here's the most famous example...
[url]https://learn.bowdoin.edu/japanesegardens/gardens/ryoan/ryoan-ji.html[/url]
but here's one with some plants as well...few stones, but see how powerful?
[url]https://learn.bowdoin.edu/japanesegardens/gardens/nanzen/nanzen-ji.html[/url]
Here's a quick overview of stone in the garden...
[url]https://learn.bowdoin.edu/japanesegardens/elements/stones/stones.html[/url]
Can you tell I like this site?
Just some musings...one should not concentrate on any one feature above others. It's a lovely beginning and and a few years will put it in a place you won't recognize. Well done...
HG