生成AI×株式市場2025: 取引革新と69.6B資金の実態

import React from 'react';

const AIFinanceAnalysis = () => {
  const impactData = [
    {
      category: "市場インフラ",
      items: [
        { name: "注文執行の効率化", impact: "高", description: "リアルタイムデータ処理により取引速度が向上" },
        { name: "取引コストの最適化", impact: "高", description: "AIアルゴリズムによるコスト構造の改善" },
        { name: "価格決定メカニズム", impact: "中", description: "証券価格形成モデルの進化" },
        { name: "市場流動性", impact: "中", description: "資産の流動性向上と取引の円滑化" }
      ]
    },
    {
      category: "リスク管理",
      items: [
        { name: "リアルタイムデータ処理", impact: "高", description: "複数情報源からの即時分析" },
        { name: "予測分析", impact: "高", description: "過去データから将来リスクを予測" },
        { name: "センチメント分析", impact: "中", description: "NLPによる市場心理の評価" },
        { name: "自動リスク監視", impact: "高", description: "異常検知とアラート機能" }
      ]
    },
    {
      category: "生成AI応用",
      items: [
        { name: "合成データ生成", impact: "中", description: "リスク評価用データセット作成" },
        { name: "アルゴリズム取引高度化", impact: "高", description: "複雑な取引戦略の自動化" },
        { name: "投資調査の深化", impact: "中", description: "大量文書の分析と洞察抽出" },
        { name: "顧客サービス向上", impact: "中", description: "チャットボットによる対応強化" }
      ]
    }
  ];

  const riskManagementUseCases = [
    { useCase: "信用リスクモデリング", description: "借り手データ分析による高リスク検出", example: "融資決定の迅速化" },
    { useCase: "詐欺検出", description: "異常取引のリアルタイム特定", example: "Mastercard: 検出率2倍、誤検知200%削減" },
    { useCase: "行動監視", description: "従業員行動の複雑パターン追跡", example: "コンプライアンス維持" },
    { useCase: "サイバーセキュリティ", description: "正常活動学習と異常検知", example: "セキュリティチームへの自動警告" },
    { useCase: "オペレーション", description: "ビジネスプロセスのリスク自動評価", example: "オペレーショナルリスク削減" }
  ];

  const fundingData = [
    { company: "生成AI全体", amount: "696億ドル", year: "2025", share: "VC総資金の11.77%", note: "記録的な資金調達" },
    { company: "OpenAI", amount: "400億ドル", year: "2025", valuation: "3,000億ドル", investors: "Microsoft, SoftBank他" },
    { company: "xAI", amount: "100億ドル", year: "2025", valuation: "800億ドル", investors: "Morgan Stanley, Andreessen Horowitz他" },
    { company: "Scale AI", amount: "143億ドル", year: "2025", valuation: "290億ドル", investors: "Meta他" },
    { company: "Anthropic", amount: "35億ドル", year: "2025", valuation: "615億ドル", investors: "Salesforce, Alphabet他" },
    { company: "CoreWeave", amount: "11億ドル", year: "2024", valuation: "190億ドル", focus: "AIクラウドコンピューティング" },
    { company: "Groq", amount: "15億ドル", year: "2025", investors: "サウジアラビア王国", focus: "超低レイテンシーAIチップ" }
  ];

  const wealthTechStartups = [
    { name: "Reflexivity", funding: "3,000万ドル", round: "シリーズB", year: "2024", solution: "説明可能なAIによる金融データ分析プラットフォーム" },
    { name: "Vise", funding: "1億3,000万ドル", investors: "Sequoia, Founders Fund", solution: "AI駆動型ポートフォリオ管理" },
    { name: "TIFIN", partnership: "Palantir", product: "TIFIN AXIS", year: "2025", solution: "AIエージェントプラットフォーム" },
    { name: "Altruist", funding: "1億5,200万ドル", round: "シリーズF", year: "2025", valuation: "約19億ドル" },
    { name: "Saturn", funding: "Y Combinator支援", solution: "AIウェルスマネジメントOS", clients: "200社以上" },
    { name: "Ethic", funding: "6,400万ドル", round: "シリーズD", year: "2025", investors: "State Street Global Advisors" }
  ];

  const challenges = [
    { challenge: "ブラックボックス問題", description: "AIの意思決定プロセスの不透明性", impact: "信頼性低下、規制対応困難" },
    { challenge: "データ品質", description: "学習データの偏りや不正確性", impact: "予測精度の低下、バイアス増幅" },
    { challenge: "システミックリスク", description: "市場全体への波及リスク", impact: "金融システムの不安定化" },
    { challenge: "規制対応", description: "説明可能性の要求増加", impact: "EU AI Actなど新規制への対応" },
    { challenge: "サイバーセキュリティ", description: "AIシステムへの攻撃リスク", impact: "データ漏洩、システム停止" }
  ];

  const getImpactColor = (impact) => {
    switch(impact) {
      case '高': return 'bg-red-100 text-red-800 border-red-300';
      case '中': return 'bg-yellow-100 text-yellow-800 border-yellow-300';
      case '低': return 'bg-green-100 text-green-800 border-green-300';
      default: return 'bg-gray-100 text-gray-800 border-gray-300';
    }
  };

  return (
    <div className="min-h-screen bg-gradient-to-br from-blue-50 to-indigo-50 p-8">
      <div className="max-w-7xl mx-auto">
        {/* ヘッダー */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8 border-t-4 border-indigo-600">
          <h1 className="text-4xl font-bold text-gray-900 mb-4">
            AI・機械学習がトレーディング・株式市場に与える影響
          </h1>
          <p className="text-lg text-gray-600 leading-relaxed">
            AIと機械学習は金融市場の基盤を再構築し、リアルタイムデータ処理、予測分析、センチメント分析を通じて
            トレーディングとリスク管理を革新しています。
          </p>
          <div className="mt-4 flex flex-wrap gap-2">
            <span className="px-3 py-1 bg-indigo-100 text-indigo-700 rounded-full text-sm font-medium">
              市場効率化
            </span>
            <span className="px-3 py-1 bg-purple-100 text-purple-700 rounded-full text-sm font-medium">
              リスク管理強化
            </span>
            <span className="px-3 py-1 bg-blue-100 text-blue-700 rounded-full text-sm font-medium">
              生成AI応用
            </span>
          </div>
        </div>

        {/* 市場への影響 */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-6 flex items-center">
            <span className="w-2 h-8 bg-indigo-600 mr-3 rounded"></span>
            市場への主要な影響領域
          </h2>
          <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
            {impactData.map((category, idx) => (
              <div key={idx} className="border-2 border-gray-200 rounded-xl p-6 hover:border-indigo-400 transition-all duration-300 hover:shadow-lg">
                <h3 className="text-xl font-bold text-indigo-700 mb-4 pb-2 border-b-2 border-indigo-200">
                  {category.category}
                </h3>
                <div className="space-y-3">
                  {category.items.map((item, itemIdx) => (
                    <div key={itemIdx} className="bg-gray-50 rounded-lg p-3">
                      <div className="flex items-center justify-between mb-2">
                        <span className="font-semibold text-gray-800 text-sm">{item.name}</span>
                        <span className={`px-2 py-1 rounded-full text-xs font-bold border ${getImpactColor(item.impact)}`}>
                          {item.impact}
                        </span>
                      </div>
                      <p className="text-xs text-gray-600 leading-relaxed">{item.description}</p>
                    </div>
                  ))}
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* リスク管理のユースケース */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-6 flex items-center">
            <span className="w-2 h-8 bg-purple-600 mr-3 rounded"></span>
            AIによるリスク管理の5大ユースケース
          </h2>
          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
            {riskManagementUseCases.map((item, idx) => (
              <div key={idx} className="bg-gradient-to-br from-purple-50 to-indigo-50 rounded-xl p-5 border-2 border-purple-200 hover:border-purple-400 transition-all duration-300 hover:shadow-lg">
                <div className="flex items-start mb-3">
                  <span className="bg-purple-600 text-white rounded-full w-8 h-8 flex items-center justify-center font-bold text-sm mr-3 flex-shrink-0">
                    {idx + 1}
                  </span>
                  <h3 className="font-bold text-gray-900 text-lg">{item.useCase}</h3>
                </div>
                <p className="text-sm text-gray-700 mb-2 ml-11">{item.description}</p>
                <div className="ml-11 bg-white rounded-lg p-2 border border-purple-200">
                  <p className="text-xs text-purple-700 font-medium">事例: {item.example}</p>
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* 資金調達動向 */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-6 flex items-center">
            <span className="w-2 h-8 bg-green-600 mr-3 rounded"></span>
            生成AI・AIインフラ企業の資金調達動向
          </h2>
          <div className="mb-6 bg-green-50 border-l-4 border-green-600 p-4 rounded-r-lg">
            <p className="text-green-900 font-semibold">
              2025年、生成AIスタートアップは総額<span className="text-2xl font-bold text-green-700">696億ドル</span>を調達
              （世界のVC総資金の11.77%）
            </p>
          </div>
          <div className="overflow-x-auto">
            <table className="w-full border-collapse">
              <thead>
                <tr className="bg-gradient-to-r from-green-600 to-teal-600 text-white">
                  <th className="p-3 text-left font-bold">企業名</th>
                  <th className="p-3 text-left font-bold">調達額</th>
                  <th className="p-3 text-left font-bold">年度</th>
                  <th className="p-3 text-left font-bold">評価額/特徴</th>
                  <th className="p-3 text-left font-bold">主要投資家</th>
                </tr>
              </thead>
              <tbody>
                {fundingData.map((item, idx) => (
                  <tr key={idx} className={`border-b border-gray-200 hover:bg-green-50 transition-colors ${idx % 2 === 0 ? 'bg-gray-50' : 'bg-white'}`}>
                    <td className="p-3 font-bold text-gray-900">{item.company}</td>
                    <td className="p-3 text-green-700 font-bold">{item.amount}</td>
                    <td className="p-3 text-gray-700">{item.year}</td>
                    <td className="p-3 text-sm text-gray-600">
                      {item.valuation && <div className="font-semibold text-indigo-700">評価額: {item.valuation}</div>}
                      {item.share && <div className="text-xs text-gray-500">{item.share}</div>}
                      {item.focus && <div className="text-xs text-purple-600">{item.focus}</div>}
                      {item.note && <div className="text-xs text-orange-600">{item.note}</div>}
                    </td>
                    <td className="p-3 text-sm text-gray-600">{item.investors || '-'}</td>
                  </tr>
                ))}
              </tbody>
            </table>
          </div>
        </div>

        {/* WealthTechスタートアップ */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-6 flex items-center">
            <span className="w-2 h-8 bg-blue-600 mr-3 rounded"></span>
            金融取引・株式市場ソリューション提供スタートアップ
          </h2>
          <div className="grid grid-cols-1 md:grid-cols-2 gap-6">
            {wealthTechStartups.map((startup, idx) => (
              <div key={idx} className="bg-gradient-to-br from-blue-50 to-cyan-50 rounded-xl p-6 border-2 border-blue-200 hover:border-blue-400 transition-all duration-300 hover:shadow-lg">
                <div className="flex items-center justify-between mb-3">
                  <h3 className="text-xl font-bold text-blue-900">{startup.name}</h3>
                  {startup.funding && (
                    <span className="bg-blue-600 text-white px-3 py-1 rounded-full text-sm font-bold">
                      {startup.funding}
                    </span>
                  )}
                </div>
                <div className="space-y-2 text-sm">
                  {startup.round && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">ラウンド:</span>
                      <span className="font-semibold text-gray-900">{startup.round}</span>
                    </div>
                  )}
                  {startup.year && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">年度:</span>
                      <span className="font-semibold text-gray-900">{startup.year}</span>
                    </div>
                  )}
                  {startup.investors && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">投資家:</span>
                      <span className="font-semibold text-gray-900">{startup.investors}</span>
                    </div>
                  )}
                  {startup.valuation && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">評価額:</span>
                      <span className="font-semibold text-indigo-700">{startup.valuation}</span>
                    </div>
                  )}
                  {startup.partnership && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">提携:</span>
                      <span className="font-semibold text-purple-700">{startup.partnership}</span>
                    </div>
                  )}
                  {startup.product && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">製品:</span>
                      <span className="font-semibold text-gray-900">{startup.product}</span>
                    </div>
                  )}
                  {startup.clients && (
                    <div className="flex items-center">
                      <span className="text-gray-600 w-24">顧客:</span>
                      <span className="font-semibold text-gray-900">{startup.clients}</span>
                    </div>
                  )}
                  <div className="mt-3 pt-3 border-t border-blue-200">
                    <p className="text-gray-700 leading-relaxed">{startup.solution}</p>
                  </div>
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* 課題とリスク */}
        <div className="bg-white rounded-2xl shadow-xl p-8 mb-8">
          <h2 className="text-3xl font-bold text-gray-900 mb-6 flex items-center">
            <span className="w-2 h-8 bg-red-600 mr-3 rounded"></span>
            AI導入における主要な課題とリスク
          </h2>
          <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
            {challenges.map((item, idx) => (
              <div key={idx} className="bg-red-50 rounded-xl p-5 border-l-4 border-red-600 hover:shadow-lg transition-all duration-300">
                <h3 className="text-lg font-bold text-red-900 mb-2">{item.challenge}</h3>
                <p className="text-sm text-gray-700 mb-2">{item.description}</p>
                <div className="bg-white rounded-lg p-2 border border-red-200">
                  <p className="text-xs text-red-700 font-medium">影響: {item.impact}</p>
                </div>
              </div>
            ))}
          </div>
        </div>

        {/* データ出典 */}
        <div className="bg-gradient-to-r from-gray-800 to-gray-900 rounded-2xl shadow-xl p-8 text-white">
          <h2 className="text-2xl font-bold mb-4">データ出典</h2>
          <div className="grid grid-cols-1 md:grid-cols-2 gap-3 text-sm">
            <a href="https://www.iosco.org/library/pubdocs/pdf/IOSCOPD788.pdf" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              IOSCO - AI in Securities Markets Report
            </a>
            <a href="https://www.ecb.europa.eu/paym/groups/pdf/mmcg/20250612/20250612_ItemB_Impact_of_AI_on_money_markets.pdf" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              ECB - Impact of AI on Money Markets
            </a>
            <a href="https://www.brookings.edu/wp-content/uploads/2025/04/20250401_CRM_BailyKane_AICaseStudies_Finance_FINAL.pdf" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              Brookings Institution - AI Case Studies in Finance
            </a>
            <a href="https://thefinancialtechnologyreport.com/the-top-25-wealthtech-companies-of-2025/" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              The Financial Technology Report - Top 25 WealthTech 2025
            </a>
            <a href="https://www.vestbee.com/insights/articles/generative-ai-in-2025-69-b-in-funding-global-leaders-and-europe-s-role-in-the-race" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              Vestbee - Generative AI Funding 2025
            </a>
            <a href="https://research.aimultiple.com/generative-ai-finance/" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              AIMultiple - Generative AI in Finance
            </a>
            <a href="https://www.quantifiedstrategies.com/ai-risk-management-in-trading/" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              QuantifiedStrategies - AI Risk Management
            </a>
            <a href="https://www.sciencedirect.com/journal/journal-of-financial-markets/special-issue/10B1F8DR1R2" target="_blank" rel="noopener noreferrer" className="text-blue-300 hover:text-blue-100 underline">
              Journal of Financial Markets - AI Special Issue
            </a>
          </div>
          <div className="mt-4 pt-4 border-t border-gray-700 text-xs text-gray-400">
            <p>調査日: 2025年10月 | データは各出典の最新情報に基づく</p>
          </div>
        </div>
      </div>
    </div>
  );
};

export default AIFinanceAnalysis;