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app.py
CHANGED
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@@ -1,11 +1,7 @@
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from fastapi import FastAPI, HTTPException
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from fastapi.middleware.cors import CORSMiddleware
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from pydantic import BaseModel
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from fastapi.responses import FileResponse
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from fastapi.staticfiles import StaticFiles
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import os
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import re
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import gradio as gr
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try:
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from llama_cpp import Llama
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from transformers import AutoModelForCausalLM, AutoTokenizer
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print("llama-cpp-python is not installed. Falling back to transformers inference.")
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app = FastAPI()
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# CORS configuration to allow the frontend to communicate with this API
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"], # Allows all origins for local development
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allow_credentials=True,
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allow_methods=["*"], # Allows all methods
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allow_headers=["*"], # Allows all headers
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)
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class TextRequest(BaseModel):
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text: str
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class MapResponse(BaseModel):
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markdown: str
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# ---------------------------------------------------------
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# AI Model Initialization
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# ---------------------------------------------------------
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if USE_LLAMA_CPP:
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import os
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GGUF_FILENAME = "production_mindmap_model.gguf"
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if os.path.exists(f"./{GGUF_FILENAME}"):
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GGUF_PATH = f"./{GGUF_FILENAME}"
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@@ -82,19 +58,14 @@ STRICT_SYSTEM_PROMPT = """あなたは極めて優秀で厳密な情報抽出ア
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2. ただし、情報を階層化して分かりやすく整理するための「一般的なカテゴリ名(例:背景、特徴、課題、概要など)」を親見出しとして補足することは許可します。
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3. あなたの推測や外部知識を一切混ぜず、入力文章内の事実のみを構造化してください。"""
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import spaces
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@app.post("/generate", response_model=MapResponse)
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@spaces.GPU(duration=120)
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def generate_mindmap(
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input_text =
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if not input_text:
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print(f"
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print("AIが推論(Markdown構造)を生成中...")
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# Qwen用のチャットプロンプト構築
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USER_PROMPT = f"""以下の文章から論理構造を抽出し、Markdown形式の目次(マインドマップ)を出力してください。
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【出力時の厳守ルール(違反厳禁)】
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@@ -113,81 +84,145 @@ def generate_mindmap(request: TextRequest):
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response = model.create_chat_completion(
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messages=messages,
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max_tokens=1024,
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temperature=0.0,
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repeat_penalty=1.1
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)
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generated_markdown = response['choices'][0]['message']['content'].strip()
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else:
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# トークナイザーでプロンプト化
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prompt = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=1024,
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do_sample=False,
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repetition_penalty=1.1,
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pad_token_id=tokenizer.pad_token_id,
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eos_token_id=tokenizer.eos_token_id
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)
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# 4. 入力プロンプト部分を切り落として、新しく生成された部分だけを取り出す
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input_length = inputs["input_ids"].shape[1]
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generated_tokens = outputs[0][input_length:]
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# 5. 数値(トークン)を人間が読めるMarkdownテキストにデコード
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generated_markdown = tokenizer.decode(generated_tokens, skip_special_tokens=True).strip()
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# 【超重要】T5トークナイザーが改行(\n)を消してしまう問題の対策
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# 見出し記号(#)の前に強制的に改行を挿入して、Markmapが認識できるようにする
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generated_markdown = re.sub(r'\s*(#+ )', r'\n\1', generated_markdown).strip()
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# Markmapは必ず「#(大見出し)」から始まる必要があるため、存在しない場合は強制付与
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if not generated_markdown.startswith('#'):
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if '##' in generated_markdown or '###' in generated_markdown:
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generated_markdown = "# マインドマップ\n" + generated_markdown
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else:
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generated_markdown = "# マインドマップ\n## 抽出結果\n- " + generated_markdown.replace('\n', '\n- ')
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return FileResponse(file_path)
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raise HTTPException(status_code=404, detail="File not found")
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raise HTTPException(status_code=404, detail="File not found")
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# ---------------------------------------------------------
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#
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# ---------------------------------------------------------
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@
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import uvicorn
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uvicorn.run(app, host="0.0.0.0", port=7860)
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import os
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import re
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import gradio as gr
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import spaces
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try:
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from llama_cpp import Llama
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from transformers import AutoModelForCausalLM, AutoTokenizer
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print("llama-cpp-python is not installed. Falling back to transformers inference.")
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# ---------------------------------------------------------
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# AI Model Initialization
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# ---------------------------------------------------------
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if USE_LLAMA_CPP:
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GGUF_FILENAME = "production_mindmap_model.gguf"
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if os.path.exists(f"./{GGUF_FILENAME}"):
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GGUF_PATH = f"./{GGUF_FILENAME}"
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2. ただし、情報を階層化して分かりやすく整理するための「一般的なカテゴリ名(例:背景、特徴、課題、概要など)」を親見出しとして補足することは許可します。
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3. あなたの推測や外部知識を一切混ぜず、入力文章内の事実のみを構造化してください。"""
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@spaces.GPU(duration=120)
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def generate_mindmap(input_text: str):
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input_text = input_text.strip()
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if not input_text:
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return "<div style='color: red; padding: 20px;'>文章を入力してください。</div>"
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print(f"推論を開始します(文字数: {len(input_text)}文字)")
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USER_PROMPT = f"""以下の文章から論理構造を抽出し、Markdown形式の目次(マインドマップ)を出力してください。
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【出力時の厳守ルール(違反厳禁)】
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response = model.create_chat_completion(
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messages=messages,
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max_tokens=1024,
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temperature=0.0,
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repeat_penalty=1.1
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)
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generated_markdown = response['choices'][0]['message']['content'].strip()
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else:
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prompt = tokenizer.apply_chat_template(
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messages,
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tokenize=False,
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add_generation_prompt=True
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)
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inputs = tokenizer(prompt, return_tensors="pt").to(model.device)
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with torch.no_grad():
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outputs = model.generate(
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**inputs,
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max_new_tokens=1024,
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do_sample=False,
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repetition_penalty=1.1,
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pad_token_id=tokenizer.pad_token_id,
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eos_token_id=tokenizer.eos_token_id
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)
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input_length = inputs["input_ids"].shape[1]
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generated_tokens = outputs[0][input_length:]
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generated_markdown = tokenizer.decode(generated_tokens, skip_special_tokens=True).strip()
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generated_markdown = re.sub(r'\s*(#+ )', r'\n\1', generated_markdown).strip()
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if not generated_markdown.startswith('#'):
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if '##' in generated_markdown or '###' in generated_markdown:
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generated_markdown = "# マインドマップ\n" + generated_markdown
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else:
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generated_markdown = "# マインドマップ\n## 抽出結果\n- " + generated_markdown.replace('\n', '\n- ')
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# Markmap 用のHTMLを動的に構築して返す
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html_output = f"""
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<div class="markmap" style="width: 100%; height: 100%; min-height: 500px;">
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<script type="text/template">
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{generated_markdown}
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</script>
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</div>
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<script>
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// GradioのHTML更新後にMarkmapを強制再レンダリングする
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setTimeout(() => {{
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if (window.markmap && window.markmap.autoLoader) {{
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window.markmap.autoLoader.renderAll();
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}}
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}}, 100);
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</script>
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"""
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return html_output
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# ---------------------------------------------------------
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# UI Construction (Native Gradio)
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# ---------------------------------------------------------
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custom_css = """
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@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&display=swap');
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body {
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font-family: -apple-system, BlinkMacSystemFont, "Inter", "Segoe UI", "Roboto", "Helvetica Neue", sans-serif;
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background-color: #fafafa !important;
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}
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/* GradioのデフォルトUIを上書きしてガラス風のプレミアムデザインにする */
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.gradio-container {
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max-width: 1200px !important;
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margin: 0 auto !important;
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padding: 24px !important;
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}
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#sidebar {
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background-color: #ffffff;
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border-radius: 12px;
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padding: 24px;
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box-shadow: 0 4px 20px rgba(0,0,0,0.04);
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border: 1px solid #eaeaea;
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}
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#canvas {
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background-color: #fafafa;
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border-radius: 12px;
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padding: 24px;
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border: 1px solid #eaeaea;
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background-image: radial-gradient(#e5e7eb 1px, transparent 1px);
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background-size: 20px 20px;
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min-height: 600px;
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box-shadow: inset 0 2px 10px rgba(0,0,0,0.02);
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}
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.submit-btn {
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background: #000000 !important;
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color: #ffffff !important;
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border-radius: 8px !important;
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font-weight: 500 !important;
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padding: 12px !important;
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border: none !important;
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transition: all 0.2s ease !important;
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}
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.submit-btn:hover {
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background: #333333 !important;
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transform: translateY(-1px);
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}
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textarea {
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border-radius: 8px !important;
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border: 1px solid #eaeaea !important;
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box-shadow: 0 1px 2px rgba(0,0,0,0.02) !important;
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}
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"""
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head_scripts = """
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<script src="https://cdn.jsdelivr.net/npm/d3@7"></script>
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<script src="https://cdn.jsdelivr.net/npm/markmap-view"></script>
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<script src="https://cdn.jsdelivr.net/npm/markmap-autoloader"></script>
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"""
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with gr.Blocks(css=custom_css, head=head_scripts, theme=gr.themes.Default(primary_hue="zinc")) as demo:
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with gr.Row():
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with gr.Column(scale=3, elem_id="sidebar"):
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gr.Markdown("## 🧠 MindMap Studio")
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gr.Markdown("AIが入力された文章を分析し、論理的なマインドマップを自動生成します。\n\n*Hugging Face ZeroGPU Native Version*")
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text_input = gr.Textbox(
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lines=12,
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label="入力文章",
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placeholder="ここに議事録やニュース記事を入力してください...",
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elem_id="input-box"
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)
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submit_btn = gr.Button("マインドマップを生成", elem_classes="submit-btn")
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with gr.Column(scale=7, elem_id="canvas"):
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map_output = gr.HTML(
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"<div style='text-align:center; padding-top:200px; color:#a1a1aa; font-weight: 500;'>ここにマインドマップが表示されます</div>"
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)
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submit_btn.click(
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fn=generate_mindmap,
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inputs=text_input,
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outputs=map_output,
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api_name="generate"
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)
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demo.launch()
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