Alibaba Cloud Model Studio (Qwen) #7 Qwen 4.0 Preview を使ってみる

(1) endpoint へのログイン
PS> bl auth login --config token-plan --api-key <YOUR_API_KEY> --base-url https://token-plan.ap-southeast-1.maas.aliyuncs.com
API key validated and saved to C:\Users\XXXXXX\.bailian\config.json


(2) 認証ステータスの確認
PS> bl auth status --output json
{
  "authenticated": true,
  "config": "token-plan",
  "config_file": "C:\\Users\\XXXXXXX\\.bailian\\config.json",
  "api_key": {
    "source": "config",
    "masked": "sk-s...Ut1E",
    "base_url": "https://token-plan.ap-southeast-1.maas.aliyuncs.com"
  }
}

PS>  bl text chat --model qwen4-max-preview --message "あなたは qwen4.0 ですか？"

BAILIAN ~\.bailian\config.json | Auth: XXXXXXXXX config · api-key
Thinking:
The user is asking in Japanese: "Are you qwen4.0?" I should answer honestly. I'm Qwen, developed by Alibaba Group. Regarding specific version numbers, I don't have reliable information about exact version designations, so I should say I'm Qwen but can't confirm specific version numbers, and suggest checking official sources.

I should respond in Japanese since the user wrote in Japanese. Keep it concise and honest — I shouldn't claim to be "qwen4.0" specifically, nor deny being Qwen. Let me be natural and helpful.

Let me think about what I actually know: I am Qwen, a large language model developed by Alibaba Group. I don't have precise knowledge of my exact version number/release designation. So the honest answer: "I'm Qwen, developed by Alibaba Group. As for the specific version number like '4.0', I can't say for certain — please check the official website or technical reports."

Keep it fairly short.

Response:
私は Qwen です。Alibaba Group によって開発された大規模言語モデルです。

ただ、「4.0」といった具体的なバージョン番号については、私自身は確実な情報を持っていないため、断定してお答えすることができません。正確なバージョンやモデルの仕様については、公式サイトや技術レポートをご確認いただくのが確実です。

何かお手伝いできることがあれば、お気軽にどうぞ。

PS>  bl text chat --model qwen4-max-preview --message "日本に回転すしのお店は何店舗あるか、また、それだけの数がある理由を考察して"

Thinking:
The user asks in Japanese: "How many conveyor belt sushi (kaiten-zushi) restaurants are there in Japan, and analyze why there are that many."

I should give an estimate with appropriate caveats about data sources and uncertainty. Let me recall what I know.

Kaiten sushi market data: The 回転寿司 market size is around 1,500-1,700億円 (some estimates ~1,600億円). Number of stores: commonly cited figures around 3,000-4,000 stores nationwide. Let me think.

Major chains:
- スシロー (Sushiro / Akindo Sushiro): about 650 stores in Japan (as of ~2023-2024, ~640-660). Actually Sushiro had ~630 domestic stores in 2022, ~650 in 2024. They aim for ~1,000 domestic long term? Their target is 1,000+ stores domestically? Actually FOOD & LIFE COMPANIES targets ~800-1,000 in Japan. Let me use approximate ~650.
- くら寿司 (Kura Sushi): ~500 stores in Japan (as of 2023 ~490-510). Kura had 486 domestic in 2021, ~500+ now.
- はま寿司 (Hama Sushi, Zensho): ~600 stores domestic (as of 2023 ~580-620). Hama sushi reached 600 stores around 2023.
- かっぱ寿司 (Kappa Sushi, Colowide): ~300 stores (declining from peak ~350). Around 280-310.
- 元気寿司 (Genki Sushi): ~140-160 domestic (including 魚べい/Uobei which is Genki Sushi brand). Actually Genki Sushi domestic ~ 魚べい ~ 130-160. Genki Sushi has ~ 180 stores domestic total? They have ~ 400 total worldwide with many overseas. Domestic 元気寿司+魚べい ~ 150-180.
- 銚子丸 (Choshi Maru): ~80 stores (non-conveyor mostly, some conveyor)
- 回転寿司 北海道 chain: トリトン (Triton) ~ 30-40, なごやか亭 (Nagoyaka-tei, 三ッ星) ~ 30, 函太郎 ~ 20, 根室花まる ~ 25 (mostly not conveyor).
- がってん寿司 (Gatten Sushi, RDC/アールディーズ): ~ 100 stores.
- 海鮮アトム, 廻転寿司 魚がし etc.
- すし銚子丸 etc.

Total of major chains: 650 + 600 + 500 + 300 + 160 + 100 = ~2,310. Plus regional chains and independent shops, maybe another several hundred to 1,000. So total ~3,000-3,500. Commonly cited number: 回転寿司店は全国に約3,000店舗 — I've seen figures like "全国に約3,000店" or "約4,000店".

Actually, some data: 日本フードサービス協会 or 食品産業センター. There's a well-known stat that sushi restaurants overall (寿司店) in Japan ~ 20,000+ (経済センサス). The 平成28年経済センサス: 寿司店 約 21,000? Let me think: 「すし店」 in 日本標準産業分類 under 専門料理店. The 経済センサス活動調査 shows 寿司店 ~ 20,000-24,000 establishments. Hmm, in 2016 economic census, 寿司店 was around 22,000? Some sources say すし店 約2万店. Of those, kaiten sushi ~3,000-4,000.

I recall a figure often quoted: "回転寿司の店舗数は全国で約3,000店舗" and market size ~1,500億円. Also ぐるなび data. Another: 矢野経済研究所 estimates 回転寿司市場 2019年 約1,600億円.

I should be honest that there's no definitive official count, give a range ~3,000〜4,000 stores (major chains ~2,300-2,500), and note the uncertainty and my knowledge cutoff.

Let me also consider: スシロー 650+, はま寿司 620, くら寿司 530, かっぱ寿司 290, 元気寿司/魚べい 170, がってん寿司 90, others. Sum ~2,350. Then non-chain: many local kaiten sushi shops. Each prefecture might have 10-30 independent ones. 47 prefectures × 20 = ~940. So total ~3,300. So ~3,000-3,500 seems reasonable. I'll say "おおむね3,000〜4,000店舗" with major chains around 2,300-2,500.

Per capita: 3,300 stores / 124 million = 1 store per ~37,000 people. Compare: McDonald's Japan ~2,900-3,000 stores, Yoshinoya ~1,200, Sukiya ~1,900, Matsuya ~1,100. So kaiten sushi has about as many stores as McDonald's — that's a striking comparison. Starbucks Japan ~1,900. So kaiten sushi ~3,000+ is more than Starbucks. That's a good analytical hook.

Now the analysis of why so many:

1. Demand side:
- Sushi is a national "special occasion" food with high cultural prestige, but traditional sushi shops are expensive and intimidating (no prices, counter-only, etiquette). Kaiten sushi democratized it: transparent pricing (100-150 yen/plate), family-friendly, no need to know etiquette, easy to enter. Converts latent demand for "sushi" into mass-market frequency.
- Price point ~1,000-1,500 yen per person: sits between gyudon (~700) and family restaurant (~1,200-1,500), competitive with casual dining but with "sushi" premium perception → high perceived value.
- Family segment: kids love it, games (くら寿司 ビックリポン), variety of non-fish items (meat, fries, ramen, dessert) → broad menu accommodates non-fish eaters, so groups don't veto. This is key for chain expansion — a "veto-proof" format.
- Visual display: rotating sushi shows the product, reduces ordering anxiety, stimulates impulse purchases (adds to average ticket), and no menu-reading barrier for foreigners/kids.

2. Supply/operations side (why the format supports many stores):
- Automation: rice robots (shari-dama), 酢飯 mixing machines, sushi robots (Autec, Suzumo), touch panels ordering + express lanes → drastically reduces dependence on skilled itamae. Traditional sushi requires years of training; kaiten sushi decouples skill from output. This is THE fundamental enabler of scale — labor bottleneck removed.
- Standardized manuals: part-time staff can be trained in weeks. Enables rapid multi-store expansion and low labor cost ratio.
- Central kitchens / centralized procurement: massive buying power for fish (global sourcing, frozen/at-sea processing), rice, etc. Scale economies make the 100-yen price possible.
- Technology: IC tags on plates → automatic sales tracking, discard management (廃棄ロス), demand forecasting, freshness management (くら寿司 抗菌シャッター, 生食用ガイド). Reduces waste and food safety risk. Also labor: automated dish return, water taps, 皿洗浄 robots, 自動会計.
- Store model: suburban roadside, large parking lot, ~80-120 seats, high seat turnover, box seats + counter with conveyor. Real estate cheaper than urban prime. Standardized store prototype → repeatable rollout. Large trade area (car-based, 5-10 km radius) → each store covers a wide population; but ~30,000-40,000 people per store is sustainable given high frequency and family occasions.
- High volume/low margin but high ROI on standardized capital; chains have capital and supply chain to expand.
- Also: conveyor as "theater"/entertainment = differentiation vs. other fast food, plus reduces perceived wait.

3. Industry structure / competitive dynamics:
- Four big chains (Sushiro, Hama, Kura, Kappa) in an oligopolistic scale race → land-grab expansion, store count as competitive weapon (procurement scale, TV ad efficiency, national brand). Nationwide coverage needed to amortize TV CM and buying power. This "店舗数競争" itself inflates store counts.
- Zensho (はま寿司) has capital from Sukiya, uses its 出店 know-how & 立地 database; FOOD & LIFE (スシロー) and Kura pursuing suburban and regional expansion; low store density in some regions still.
- Regional chains (Hokkaido Triton/Nagoyakatei, etc.) differentiate on quality, occupy niches.
- Entry barriers relatively low for independents (conveyor equipment can be bought; 業務用食材 suppliers, 寿司ネタ suppliers exist) → many independents too.
- Industry consolidation: independents converting to chains; but also many local kaiten shops remain because local fish and local tastes.

4. Historical/cultural:
- 元禄寿司 (大阪, 1958) invented; 1970 Osaka Expo exposure; 1970s-80s expansion; 1990s deflation era → 100円寿司 boom (げんき寿司, スシロー's 100円 campaigns), matched deflationary consumer mindset.
- Rice/fish consumption shifts: fish consumption declining in Japan, but sushi remains popular; kaiten sushi captures "sushi demand" broadly, plus menu diversification.
- Japanese preference for 生の魚, and the "外食で寿司" aspiration. Also 中食/テイクアウト option.

5. Why Japan specifically (contrast overseas):
- Cold-chain and raw fish food-safety infrastructure, hygiene standards, and consumer acceptance of raw fish.
- Domestic supply chain for sushi-grade ingredients and sushi robots manufacturers (Autec, Suzumo are Japanese).
- Sushi's cultural legitimacy as everyday food; in other countries sushi is exotic/premium, so scale is limited (though growing).

6. Counterpoints / limits (to make analysis balanced):
- Saturation: cannibalization, 共食い, closures of weaker chains (かっぱ寿司 shrinking), labor shortage and rising fish costs (円安, 世界的な水産物需要, サンマ/サケ不漁), 100円価格の維持困難 → price increases (スシロー 110円〜, くら 115円〜). Store count growth may plateau; consolidation likely. Also 迷惑動画 (2023 スシロー醤油差し) impacted.
- Actually current: kaiten sushi store numbers roughly flat/slightly growing; growth is now overseas.
- Note: some "回転寿司" statistics conflate 非回転の chain sushi (銚子丸, 根室花まる) or 宅配寿司.

I should present numbers with clear caveats, note as of my knowledge (2024-2025), and suggest sources for precise counts (各社IR/決算資料, 日本フードサービス協会, 経済センサス, ぐるなび/食べログ). Should be honest about uncertainty — I shouldn't fabricate precise official statistics.

Format: Japanese answer. Use headings, a table for chain store counts (approximate, flagged), then analysis structured into demand/supply/competition/history, then caveats/limits. Moderate length — this is a research-ish question, so a fairly thorough answer with structure is appropriate, but not overly long. Maybe 900-1400 Japanese characters... actually more like 1800-2500 characters with structure. Let's aim for a well-organized medium-long answer.

Let me be careful with chain numbers, mark them as approximate and "2024年前後の各社公表値のおおよそ".

- スシロー: 約650店 (国内)
- はま寿司: 約620店
- くら寿司: 約530店
- かっぱ寿司: 約280店
- 元気寿司・魚べい: 約170店
- がってん寿司 etc.: 約100店
Sum ≈ 2,350

I'll present as "大手6チェーン合計で約2,300〜2,500店" and total "3,000〜4,000店程度" — commonly cited ~3,000.

Population per store: 3,000店 → 約4万人に1店. McDonald's ~3,000. Good comparison.

I'll note the uncertainty upfront briefly, then deliver.

Let me write it.

Structure:
1. 店舗数の目安(結論)
   - table of major chains
   - 全体3,000〜4,000程度、確定的な公的統計はない
   - 人口あたり比較
2. なぜそんなに多いのか
   ① 需要側:「寿司」という高関心商品を大衆価格に開放した
   ② 供給側:職人技の分解=脱熟練(最大の要因)
   ③ 立地・業態設計:郊外型×ファミリー×多品種
   ④ 技術:レーン+タッチパネル+ICタグ
   ⑤ 競争構造:寡占の店舗数競争
   ⑥ 歴史:1958元禄寿司→万博→デフレ100円
   ⑦ 日本固有の条件(生の魚の受容、コールドチェーン、寿司ロボット産業)
3. ただし今後は?(飽和・コスト・海外)
4. 数字を確かめるには

Keep it tight. Use markdown headers and a table.

Response:
## 1. 店舗数:ざっくり「3,000〜4,000店」

まず前提として、**「回転すし店」だけを切り出した公的な確定統計は存在しません**(経済センサスの「すし店」には高級店・持ち帰り店も含まれる)。そのため業界推計と各社の出店数を積み上げた目安になります。以下は2024年前後の各社公表値にもとづく概数です。

| チェーン | 国内店舗数(概数) |
|---|---|
| スシロー | 約650 |
| はま寿司(ゼンショー) | 約600 |
| くら寿司 | 約500 |
| かっぱ寿司 | 約280 |
| 元気寿司・魚べい | 約170 |
| がってん寿司 ほか | 約100 |
| **大手計** | **約2,300〜2,500** |

ここに地方チェーン(トリトン、なごやか亭、函太郎など)と個人経営店が数百〜1,000店規模で加わり、**全体で3,000〜4,000店程度**とみられます。

この数字のインパクトは比較すると分かります。**マクドナルド(約3,000店)やスターバックス(約1,900店)と同等以上**。「日本人が最も頻繁に利用する外食チェーン業態のひとつ」が回転すしだということです。人口4万人弱に1店。

---

## 2. なぜそこまで増えたのか

### ① 最大要因:職人技を分解し、「脱・熟練化」に成功した
本来、寿司店は**板前の育成に10年単位**かかり、これが最大の出店ボトルネックでした。回転すしは工程を分解し、
- シャリ → 酢飯ロボット・シャリ玉成型機(オートック、鈴茂器工など)
- ネタ → セントラルキッチン+海外を含む大量調達・加工済み食材
- 握り → 寿司ロボット+マニュアル化されたパート作業

に置き換えました。**「熟練労働力に依存しない飲食業態」に変えたこと**が、数百〜千店規模の複製を可能にした根本理由です。他の和食(割烹・天ぷら・鰻)がここまでの店舗数にならないのと対照的です。

### ② 需要側:高級・敷居の高い「寿司」を大衆に開放した
寿司は日本人の嗜好ランキングで常に上位ですが、従来の寿司店は「時価」「カウンターのみ」「暗黙の作法」という参入障壁がありました。回転すしは、
- **皿色で価格が可視化**(1皿100〜150円、1人1,000〜1,500円)
- 現物が目の前を回り、**注文の意思決定コストがゼロ**
- ファミリー・子連れ・一人でも入りやすい

ことで、**「寿司を食べたいが店は怖い」という潜在需要を丸ごと市場化**しました。牛丼(約700円)とファミレスの間という価格帯も絶妙です。

### ③ 業態設計が「否决されにくい」
魚が食べられない人でも、肉寿司・炙りチーズ・ラーメン・フライドポテト・デザートがある。**グループ内で誰かが行きたがらない理由を潰す多品種構成**は、家族の外食で極めて強い。加えて「回っている」というエンタメ性(くら寿司のビッくらポン等)

PS>  bl text chat --model qwen4-max-preview --message "すしで10番目位に人気があるネタは？"

PS> bl vision describe --image "https://www.bigriver.jp/wp-content/uploads/2026/11/Gemini_Generated_Image_at12xqat12xqat12-767x428.jpg" --model qwen4-max-preview --prompt "この画像には生物はいますか？"

BAILIAN ~\.bailian\config.json | Auth: XXXXXXXXXX config · api-key
はい、います。この画像はイラストですが、いくつかの生物が描かれています。

- **トラ**：中央を歩いている大きな動物
- **フクロウ**：左側の枝にとまっているもの（2羽ほど）
- **リス**：右側の木にいるもの（2匹ほど）
- **小鳥**：枝先などに数羽
- **植物**：木々、ツタ、シダ、苔などの豊かな植生

つまり、動物と植物の両方が描かれた、森の中の情景です。