<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta name="viewport" content="width=device-width, initial-scale=1"/><link rel="stylesheet" href="/_next/static/css/74318101b435763b.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/css/d3df112486f97f47.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/css/e7e3ec3d76ef824e.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/css/afaf55725b0da3b6.css" data-precedence="next"/><link rel="stylesheet" href="/_next/static/css/b1e60e93d5bfb465.css" data-precedence="next"/><link rel="preload" as="script" fetchPriority="low" href="/_next/static/chunks/webpack-18b32c71f6ad34ad.js"/><script src="/_next/static/chunks/4bd1b696-58c6d5c32e420776.js" async=""></script><script src="/_next/static/chunks/517-e72a829b6c66c329.js" async=""></script><script src="/_next/static/chunks/main-app-b61c6dcbf163966d.js" async=""></script><script src="/_next/static/chunks/438-a48821af7ba7cdc1.js" async=""></script><script src="/_next/static/chunks/565-c951f1bf89197efe.js" async=""></script><script src="/_next/static/chunks/687-3761f003d981c18f.js" async=""></script><script src="/_next/static/chunks/app/layout-3314b356544e3983.js" async=""></script><script src="/_next/static/chunks/402-aa454f7b9729e094.js" async=""></script><script src="/_next/static/chunks/896-f7e5d9503f373c52.js" async=""></script><script src="/_next/static/chunks/app/%5Buser_name%5D/layout-de7e47ed03e4aeba.js" async=""></script><script src="/_next/static/chunks/269-084002b39a106ee3.js" async=""></script><script src="/_next/static/chunks/app/%5Buser_name%5D/page-d665473481e5f0c8.js" async=""></script><meta name="next-size-adjust" content=""/><title>Hack Book</title><meta name="description" content="モチベーションに悩むソフトウェアエンジニアのためにデザインされたゲーミフィケーション要素を取り入れた読書アプリ"/><link rel="stylesheet" href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0..1,-25..0"/><script src="/_next/static/chunks/polyfills-42372ed130431b0a.js" noModule=""></script></head><body class="
          __variable_4d318d 
          __variable_ea5f4b 
          __className_d48d41
          d-flex 
          overflow-hidden 
          vh-100
        "><div class="jsx-126fe32d35a6024c 
        d-flex flex-column flex-shrink-0 p-3 position-relative 
        text-white sidebar-expanded
      "><div class="jsx-126fe32d35a6024c d-flex justify-content-end"><h3 class="jsx-126fe32d35a6024c text-center"><a class="text-white text-decoration-none" href="/feed">HackBook</a></h3><a class="jsx-126fe32d35a6024c text-light m-2 z-3 hover-element cursor-pointer"><span class="jsx-126fe32d35a6024c material-symbols-outlined">chevron_left</span></a></div><ul class="jsx-126fe32d35a6024c 
        nav nav-pills flex-column mb-auto 
        
        
      "><li class="nav-item mb-2"><a class="
        nav-link text-white d-flex align-items-center 
        justify-content-start
      " href="/feed/add_book"><span class="material-symbols-outlined me-2">book</span><span>本を追加</span></a></li><li class="nav-item mb-2"><a class="
        nav-link text-white d-flex align-items-center 
        justify-content-start
      " href="/feed/books"><span class="material-symbols-outlined me-2">menu_book</span><span>本を見る</span></a></li><li class="nav-item mb-2"><a class="
        nav-link text-white d-flex align-items-center 
        justify-content-start
      " href="/feed/reading_logs"><span class="material-symbols-outlined me-2">history_edu</span><span>読書ログを見る</span></a></li><li class="nav-item mb-2"><a class="
        nav-link text-white d-flex align-items-center 
        justify-content-start
      " href="/feed/exp_logs"><span class="material-symbols-outlined me-2">military_tech</span><span>レベルを見る</span></a></li></ul><div class="jsx-126fe32d35a6024c 
            position-absolute bottom-0 start-50 translate-middle-x 
            text-center mb-3 pointer
          "><img alt="User Icon" loading="lazy" width="70" height="70" decoding="async" data-nimg="1" class="rounded-circle mb-2" style="color:transparent" srcSet="/_next/image?url=%2Fbird_fukurou_run.png&amp;w=96&amp;q=75 1x, /_next/image?url=%2Fbird_fukurou_run.png&amp;w=256&amp;q=75 2x" src="/_next/image?url=%2Fbird_fukurou_run.png&amp;w=256&amp;q=75"/></div></div><div class="flex-grow-1 overflow-auto h-100"><div>Loading...</div></div><script src="/_next/static/chunks/webpack-18b32c71f6ad34ad.js" async=""></script><script>(self.__next_f=self.__next_f||[]).push([0])</script><script>self.__next_f.push([1,"1:\"$Sreact.fragment\"\n2:I[1109,[\"438\",\"static/chunks/438-a48821af7ba7cdc1.js\",\"565\",\"static/chunks/565-c951f1bf89197efe.js\",\"687\",\"static/chunks/687-3761f003d981c18f.js\",\"177\",\"static/chunks/app/layout-3314b356544e3983.js\"],\"Sidebar\"]\n3:I[5244,[],\"\"]\n4:I[3866,[],\"\"]\n5:I[4547,[],\"ClientSegmentRoot\"]\n6:I[5853,[\"438\",\"static/chunks/438-a48821af7ba7cdc1.js\",\"402\",\"static/chunks/402-aa454f7b9729e094.js\",\"896\",\"static/chunks/896-f7e5d9503f373c52.js\",\"249\",\"static/chunks/app/%5Buser_name%5D/layout-de7e47ed03e4aeba.js\"],\"default\"]\n7:I[7033,[],\"ClientPageRoot\"]\n8:I[1471,[\"438\",\"static/chunks/438-a48821af7ba7cdc1.js\",\"402\",\"static/chunks/402-aa454f7b9729e094.js\",\"565\",\"static/chunks/565-c951f1bf89197efe.js\",\"269\",\"static/chunks/269-084002b39a106ee3.js\",\"366\",\"static/chunks/app/%5Buser_name%5D/page-d665473481e5f0c8.js\"],\"default\"]\n9:I[6213,[],\"OutletBoundary\"]\nb:I[6213,[],\"MetadataBoundary\"]\nd:I[6213,[],\"ViewportBoundary\"]\nf:I[4835,[],\"\"]\n:HL[\"/_next/static/media/3a8dc5763a8ae4b2-s.p.woff2\",\"font\",{\"crossOrigin\":\"\",\"type\":\"font/woff2\"}]\n:HL[\"/_next/static/media/569ce4b8f30dc480-s.p.woff2\",\"font\",{\"crossOrigin\":\"\",\"type\":\"font/woff2\"}]\n:HL[\"/_next/static/media/93f479601ee12b01-s.p.woff2\",\"font\",{\"crossOrigin\":\"\",\"type\":\"font/woff2\"}]\n:HL[\"/_next/static/css/74318101b435763b.css\",\"style\"]\n:HL[\"/_next/static/css/d3df112486f97f47.css\",\"style\"]\n:HL[\"/_next/static/css/e7e3ec3d76ef824e.css\",\"style\"]\n:HL[\"/_next/static/css/afaf55725b0da3b6.css\",\"style\"]\n:HL[\"/_next/static/css/b1e60e93d5bfb465.css\",\"style\"]\n"])</script><script>self.__next_f.push([1,"0:{\"P\":null,\"b\":\"ht6ejRBtN5JYkV9L_j6rJ\",\"p\":\"\",\"c\":[\"\",\"feed\"],\"i\":false,\"f\":[[[\"\",{\"children\":[[\"user_name\",\"feed\",\"d\"],{\"children\":[\"__PAGE__\",{}]}]},\"$undefined\",\"$undefined\",true],[\"\",[\"$\",\"$1\",\"c\",{\"children\":[[[\"$\",\"link\",\"0\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/74318101b435763b.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\",\"nonce\":\"$undefined\"}],[\"$\",\"link\",\"1\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/d3df112486f97f47.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\",\"nonce\":\"$undefined\"}],[\"$\",\"link\",\"2\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/e7e3ec3d76ef824e.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\",\"nonce\":\"$undefined\"}]],[\"$\",\"html\",null,{\"lang\":\"en\",\"children\":[[\"$\",\"head\",null,{\"children\":[\"$\",\"link\",null,{\"rel\":\"stylesheet\",\"href\":\"https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:opsz,wght,FILL,GRAD@24,400,0..1,-25..0\"}]}],[\"$\",\"body\",null,{\"className\":\"\\n          __variable_4d318d \\n          __variable_ea5f4b \\n          __className_d48d41\\n          d-flex \\n          overflow-hidden \\n          vh-100\\n        \",\"children\":[[\"$\",\"$L2\",null,{}],[\"$\",\"div\",null,{\"className\":\"flex-grow-1 overflow-auto h-100\",\"children\":[\"$\",\"$L3\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$L4\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":[[],[[\"$\",\"title\",null,{\"children\":\"404: This page could not be found.\"}],[\"$\",\"div\",null,{\"style\":{\"fontFamily\":\"system-ui,\\\"Segoe UI\\\",Roboto,Helvetica,Arial,sans-serif,\\\"Apple Color Emoji\\\",\\\"Segoe UI Emoji\\\"\",\"height\":\"100vh\",\"textAlign\":\"center\",\"display\":\"flex\",\"flexDirection\":\"column\",\"alignItems\":\"center\",\"justifyContent\":\"center\"},\"children\":[\"$\",\"div\",null,{\"children\":[[\"$\",\"style\",null,{\"dangerouslySetInnerHTML\":{\"__html\":\"body{color:#000;background:#fff;margin:0}.next-error-h1{border-right:1px solid rgba(0,0,0,.3)}@media (prefers-color-scheme:dark){body{color:#fff;background:#000}.next-error-h1{border-right:1px solid rgba(255,255,255,.3)}}\"}}],[\"$\",\"h1\",null,{\"className\":\"next-error-h1\",\"style\":{\"display\":\"inline-block\",\"margin\":\"0 20px 0 0\",\"padding\":\"0 23px 0 0\",\"fontSize\":24,\"fontWeight\":500,\"verticalAlign\":\"top\",\"lineHeight\":\"49px\"},\"children\":404}],[\"$\",\"div\",null,{\"style\":{\"display\":\"inline-block\"},\"children\":[\"$\",\"h2\",null,{\"style\":{\"fontSize\":14,\"fontWeight\":400,\"lineHeight\":\"49px\",\"margin\":0},\"children\":\"This page could not be found.\"}]}]]}]}]]],\"forbidden\":\"$undefined\",\"unauthorized\":\"$undefined\"}]}]]}]]}]]}],{\"children\":[[\"user_name\",\"feed\",\"d\"],[\"$\",\"$1\",\"c\",{\"children\":[null,[\"$\",\"$L5\",null,{\"Component\":\"$6\",\"slots\":{\"children\":[\"$\",\"$L3\",null,{\"parallelRouterKey\":\"children\",\"segmentPath\":[\"children\",\"$0:f:0:1:2:children:0\",\"children\"],\"error\":\"$undefined\",\"errorStyles\":\"$undefined\",\"errorScripts\":\"$undefined\",\"template\":[\"$\",\"$L4\",null,{}],\"templateStyles\":\"$undefined\",\"templateScripts\":\"$undefined\",\"notFound\":\"$undefined\",\"forbidden\":\"$undefined\",\"unauthorized\":\"$undefined\"}]},\"params\":{\"user_name\":\"feed\"}}]]}],{\"children\":[\"__PAGE__\",[\"$\",\"$1\",\"c\",{\"children\":[[\"$\",\"$L7\",null,{\"Component\":\"$8\",\"searchParams\":{},\"params\":\"$0:f:0:1:2:children:1:props:children:1:props:params\"}],[[\"$\",\"link\",\"0\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/afaf55725b0da3b6.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\",\"nonce\":\"$undefined\"}],[\"$\",\"link\",\"1\",{\"rel\":\"stylesheet\",\"href\":\"/_next/static/css/b1e60e93d5bfb465.css\",\"precedence\":\"next\",\"crossOrigin\":\"$undefined\",\"nonce\":\"$undefined\"}]],[\"$\",\"$L9\",null,{\"children\":\"$La\"}]]}],{},null,false]},null,false]},null,false],[\"$\",\"$1\",\"h\",{\"children\":[null,[\"$\",\"$1\",\"hrOwNGVN-AUbVSEW-lrk1\",{\"children\":[[\"$\",\"$Lb\",null,{\"children\":\"$Lc\"}],[\"$\",\"$Ld\",null,{\"children\":\"$Le\"}],[\"$\",\"meta\",null,{\"name\":\"next-size-adjust\",\"content\":\"\"}]]}]]}],false]],\"m\":\"$undefined\",\"G\":[\"$f\",\"$undefined\"],\"s\":false,\"S\":false}\n"])</script><script>self.__next_f.push([1,"e:[[\"$\",\"meta\",\"0\",{\"name\":\"viewport\",\"content\":\"width=device-width, initial-scale=1\"}]]\nc:[[\"$\",\"meta\",\"0\",{\"charSet\":\"utf-8\"}],[\"$\",\"title\",\"1\",{\"children\":\"Hack Book\"}],[\"$\",\"meta\",\"2\",{\"name\":\"description\",\"content\":\"モチベーションに悩むソフトウェアエンジニアのためにデザインされたゲーミフィケーション要素を取り入れた読書アプリ\"}]]\na:null\n"])</script></body></html>