diff --git a/lexicons/site.standard.document.json b/lexicons/site.standard.document.json
new file mode 100644
index 0000000..bfbe894
--- /dev/null
+++ b/lexicons/site.standard.document.json
@@ -0,0 +1,79 @@
+{
+  "lexicon": 1,
+  "id": "site.standard.document",
+  "$type": "com.atproto.lexicon.schema",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "tid",
+      "description": "A document record representing a published article, blog post, or other content. Documents can belong to a publication or exist independently.",
+      "record": {
+        "type": "object",
+        "required": ["site", "title", "publishedAt"],
+        "properties": {
+          "site": {
+            "type": "string",
+            "format": "uri",
+            "description": "Points to a publication record (at://) or a publication url (https://) for loose documents."
+          },
+          "title": {
+            "type": "string",
+            "maxLength": 5000,
+            "maxGraphemes": 500,
+            "description": "Title of the document."
+          },
+          "publishedAt": {
+            "type": "string",
+            "format": "datetime",
+            "description": "Timestamp of the document's publish time."
+          },
+          "content": {
+            "type": "union",
+            "closed": false,
+            "refs": [],
+            "description": "Open union used to define the record's content. Each entry must specify a $type."
+          },
+          "description": {
+            "type": "string",
+            "maxLength": 30000,
+            "maxGraphemes": 3000,
+            "description": "A brief description or excerpt from the document."
+          },
+          "textContent": {
+            "type": "string",
+            "description": "Plaintext representation of the document's contents. Should not contain markdown or other formatting."
+          },
+          "updatedAt": {
+            "type": "string",
+            "format": "datetime",
+            "description": "Timestamp of the document's last edit."
+          },
+          "tags": {
+            "type": "array",
+            "items": {
+              "type": "string",
+              "maxLength": 1280,
+              "maxGraphemes": 128
+            },
+            "description": "Array of strings used to tag or categorize the document."
+          },
+          "path": {
+            "type": "string",
+            "description": "Combine with site URL to construct a canonical URL to the document."
+          },
+          "coverImage": {
+            "type": "blob",
+            "accept": ["image/*"],
+            "maxSize": 1000000,
+            "description": "Cover image. Less than 1MB."
+          },
+          "bskyPostRef": {
+            "type": "ref",
+            "ref": "com.atproto.repo.strongRef",
+            "description": "Strong reference to a Bluesky post."
+          }
+        }
+      }
+    }
+  }
+}
diff --git a/lexicons/site.standard.publication.json b/lexicons/site.standard.publication.json
new file mode 100644
index 0000000..54f89ee
--- /dev/null
+++ b/lexicons/site.standard.publication.json
@@ -0,0 +1,62 @@
+{
+  "lexicon": 1,
+  "id": "site.standard.publication",
+  "$type": "com.atproto.lexicon.schema",
+  "defs": {
+    "main": {
+      "type": "record",
+      "key": "tid",
+      "description": "A publication record representing a blog, website, or content platform. Publications serve as containers for documents and define the overall branding and settings.",
+      "record": {
+        "type": "object",
+        "required": ["url", "name"],
+        "properties": {
+          "url": {
+            "type": "string",
+            "format": "uri",
+            "description": "Base publication url (ex: https://syui.ai). The canonical document URL is formed by combining this value with the document path."
+          },
+          "name": {
+            "type": "string",
+            "maxLength": 5000,
+            "maxGraphemes": 500,
+            "description": "Name of the publication."
+          },
+          "icon": {
+            "type": "blob",
+            "accept": ["image/*"],
+            "maxSize": 1000000,
+            "description": "Square image to identify the publication. Should be at least 256x256."
+          },
+          "description": {
+            "type": "string",
+            "maxLength": 30000,
+            "maxGraphemes": 3000,
+            "description": "Brief description of the publication."
+          },
+          "basicTheme": {
+            "type": "ref",
+            "ref": "site.standard.theme.basic",
+            "description": "Simplified publication theme for tools and apps to utilize when displaying content."
+          },
+          "preferences": {
+            "type": "ref",
+            "ref": "#preferences",
+            "description": "Object containing platform specific preferences."
+          }
+        }
+      }
+    },
+    "preferences": {
+      "type": "object",
+      "description": "Platform-specific preferences for the publication, including discovery and visibility settings.",
+      "properties": {
+        "showInDiscover": {
+          "type": "boolean",
+          "default": true,
+          "description": "Boolean which decides whether the publication should appear in discovery feeds."
+        }
+      }
+    }
+  }
+}
diff --git a/public/.well-known/site.standard.publication b/public/.well-known/site.standard.publication
new file mode 100644
index 0000000..5201ba8
--- /dev/null
+++ b/public/.well-known/site.standard.publication
@@ -0,0 +1 @@
+at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/site.standard.publication/syui.ai
diff --git a/public/_redirects b/public/_redirects
index c6f2e16..9d88f77 100644
--- a/public/_redirects
+++ b/public/_redirects
@@ -1,3 +1,4 @@
+/.well-known/* /.well-known/:splat 200
 /app/* /index.html 200
 /oauth/* /index.html 200
 /* /index.html 200
diff --git a/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.log.chat/index.json b/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.log.chat/index.json
index 6ac3de7..dfd4c57 100644
--- a/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.log.chat/index.json
+++ b/public/content/did:plc:6qyecktefllvenje24fcxnie/ai.syui.log.chat/index.json
@@ -1,89 +1,89 @@
 [
-  "zsu7dherx4mb2",
-  "zs5ejisoztpi5",
-  "zfraowldrsxxt",
-  "z47td3ezv2a2c",
-  "yznvxcj5bjuhq",
-  "ynvurf4jg76di",
-  "xghh6ketlbszv",
-  "x6eetajckayog",
-  "wyvk2hwtx4iie",
-  "wtoul7boqaatk",
-  "wsl5ikfb44gyo",
-  "w72lwimbmb5d2",
-  "w3o3e3nii4iv6",
-  "vtwx47h6dv7ro",
-  "unj7mu3zannj7",
-  "uky42vvf3cz54",
-  "ub7qhzkw6a5ns",
-  "tc3nim6a66qye",
-  "tamzeor4ufphz",
-  "sd5ql7grxr2gm",
-  "salthoyxqr3vg",
-  "rjv6rgjtpjn2n",
-  "r5x3z4d4vrvf5",
-  "qu6i2finhb5lp",
-  "qt75b4bua3r25",
-  "qoyadv6aswigr",
-  "qf5dnyznrr5ts",
-  "qds5wk4kh4x6y",
-  "pvucam6btjpzt",
-  "pnfvith6eyafv",
-  "ouyhar727gfwx",
-  "n6xjzugjb734f",
-  "m5sxxcbyfwhzv",
-  "m4h6t4vfw7mcb",
-  "lt3z6yvsomyjd",
-  "krajt6fldd762",
-  "kr5ig7vlgl276",
-  "kpimmynstuba7",
-  "kazagpz54fz4y",
-  "k7bhaaskcuw2j",
-  "jtdn5ncfojjwv",
-  "jnq2fh5do5gri",
-  "jlfx7eszcubu5",
-  "jjfsk6e5ia4lm",
-  "jbfvt32lao6yg",
-  "j2eqwbfulmovq",
-  "ixeuckd6ao43h",
-  "inwkl55s7osg3",
-  "ia5uwsydi5ljs",
-  "hwmwgxrxg44kj",
-  "gxddi4eg3yh7j",
-  "fhomy55hdrb5d",
-  "evknoqtr7uyey",
-  "efs4j6j3zqcbv",
-  "dlklhvty5aiyf",
-  "dcm6ta3ndmcii",
-  "d3dmreieiynnd",
-  "caiun7er6rklv",
-  "c6o3ti5zk24yx",
-  "c5xux5rkjr3n7",
-  "bj3kxqtnko4gx",
-  "bcdp3pivh6bw6",
-  "aunhtmv67bb3e",
-  "amwpl3iupt6wn",
-  "ajv4iz53q4kqr",
-  "7numrfd5dlm2v",
-  "655zfmpn4ln3u",
-  "5qiag3g6frrll",
-  "57vsoautyqq6e",
-  "4x4q62asrj7ye",
-  "45yvfu6vqnmv4",
-  "3r7eq4inllheg",
-  "3pxakq4gd75sv",
-  "3mebae7z77x2b",
-  "3meb7ykzumg27",
-  "3meb7w4vuas25",
-  "3meb7bdy3ge23",
-  "3me6uf4masj2f",
-  "3me6uc233ib2d",
-  "3me6u76knjf2b",
-  "3me6u2g7izx27",
-  "3me6ttgsk2g25",
-  "3me6tlrez7l23",
-  "325sghcecgzco",
-  "2ks46vomw4s2i",
+  "255k3bskheo6j",
   "2ivbc5b4um5bu",
-  "255k3bskheo6j"
+  "2ks46vomw4s2i",
+  "325sghcecgzco",
+  "3me6tlrez7l23",
+  "3me6ttgsk2g25",
+  "3me6u2g7izx27",
+  "3me6u76knjf2b",
+  "3me6uc233ib2d",
+  "3me6uf4masj2f",
+  "3meb7bdy3ge23",
+  "3meb7w4vuas25",
+  "3meb7ykzumg27",
+  "3mebae7z77x2b",
+  "3pxakq4gd75sv",
+  "3r7eq4inllheg",
+  "45yvfu6vqnmv4",
+  "4x4q62asrj7ye",
+  "57vsoautyqq6e",
+  "5qiag3g6frrll",
+  "655zfmpn4ln3u",
+  "7numrfd5dlm2v",
+  "ajv4iz53q4kqr",
+  "amwpl3iupt6wn",
+  "aunhtmv67bb3e",
+  "bcdp3pivh6bw6",
+  "bj3kxqtnko4gx",
+  "c5xux5rkjr3n7",
+  "c6o3ti5zk24yx",
+  "caiun7er6rklv",
+  "d3dmreieiynnd",
+  "dcm6ta3ndmcii",
+  "dlklhvty5aiyf",
+  "efs4j6j3zqcbv",
+  "evknoqtr7uyey",
+  "fhomy55hdrb5d",
+  "gxddi4eg3yh7j",
+  "hwmwgxrxg44kj",
+  "ia5uwsydi5ljs",
+  "inwkl55s7osg3",
+  "ixeuckd6ao43h",
+  "j2eqwbfulmovq",
+  "jbfvt32lao6yg",
+  "jjfsk6e5ia4lm",
+  "jlfx7eszcubu5",
+  "jnq2fh5do5gri",
+  "jtdn5ncfojjwv",
+  "k7bhaaskcuw2j",
+  "kazagpz54fz4y",
+  "kpimmynstuba7",
+  "kr5ig7vlgl276",
+  "krajt6fldd762",
+  "lt3z6yvsomyjd",
+  "m4h6t4vfw7mcb",
+  "m5sxxcbyfwhzv",
+  "n6xjzugjb734f",
+  "ouyhar727gfwx",
+  "pnfvith6eyafv",
+  "pvucam6btjpzt",
+  "qds5wk4kh4x6y",
+  "qf5dnyznrr5ts",
+  "qoyadv6aswigr",
+  "qt75b4bua3r25",
+  "qu6i2finhb5lp",
+  "r5x3z4d4vrvf5",
+  "rjv6rgjtpjn2n",
+  "salthoyxqr3vg",
+  "sd5ql7grxr2gm",
+  "tamzeor4ufphz",
+  "tc3nim6a66qye",
+  "ub7qhzkw6a5ns",
+  "uky42vvf3cz54",
+  "unj7mu3zannj7",
+  "vtwx47h6dv7ro",
+  "w3o3e3nii4iv6",
+  "w72lwimbmb5d2",
+  "wsl5ikfb44gyo",
+  "wtoul7boqaatk",
+  "wyvk2hwtx4iie",
+  "x6eetajckayog",
+  "xghh6ketlbszv",
+  "ynvurf4jg76di",
+  "yznvxcj5bjuhq",
+  "z47td3ezv2a2c",
+  "zfraowldrsxxt",
+  "zs5ejisoztpi5",
+  "zsu7dherx4mb2"
 ]
\ No newline at end of file
diff --git a/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.chat/index.json b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.chat/index.json
index 9587ed4..ae0536c 100644
--- a/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.chat/index.json
+++ b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.chat/index.json
@@ -1,89 +1,89 @@
 [
-  "zi7t34bdc6kqn",
-  "z42mx3edarpnb",
-  "y2qobgxho6jte",
-  "wwgwt2ycq3tx5",
-  "vr72pvlhuxnf5",
-  "tg7crfsupxz7h",
-  "sv26xtnwgjsds",
-  "sqzphb67ymv4i",
-  "snju64fbt4a3n",
-  "s55utv52t3rf6",
-  "qbuquaswgxo36",
-  "q57mb4gebtj2o",
-  "p6mxoi2x2ooz6",
-  "odtsnpvndlp73",
-  "mvahfu2zl55jr",
-  "ktjdbs7ie2x6d",
-  "kidbeqeb2gjrx",
-  "khx456dlcp7fs",
-  "kftis2fugsvqt",
-  "jkvo4qeutpfkk",
-  "jee3z7tbzoxic",
-  "jcdlr7wjyernr",
-  "eto4yezfoztky",
-  "dud5blgqfgxm7",
-  "d4wj4rh3k3zsf",
-  "coztphfo4rtbx",
-  "bvm7emi5zgatx",
-  "buzwfx2jasgos",
-  "b7emi5uv7frxu",
-  "a6hfn4arclf3k",
-  "74zyr4w2s3vf4",
-  "6eg45a33vqzp3",
-  "3ucggdsyhth6h",
-  "3kwayvs5zrtng",
-  "3gaf4ckp5be5j",
   "27xox352hir2g",
-  "wigv2qnon7pmg",
-  "smrgeplyw5wmr",
-  "p4l6y3qkmfscg",
-  "ygwc5lfiqugqr",
-  "cuismxqmr5kjj",
-  "zcjwkbra3y224",
-  "imlara2baiopj",
-  "i3yrryvuobx44",
-  "lgr6ni5clwg7r",
-  "ncxfpuml2yoqi",
-  "oulyo5t5yavqz",
-  "gx5bssnv2h4vm",
-  "vt7de2xmkqdgk",
-  "xlh5s3wr2z6ia",
-  "ycjwf47jjogfi",
-  "7aply5kzsrurb",
-  "zq3rudsk64jjb",
-  "berfskicpcnld",
-  "upkr4d3t6kvut",
-  "jt3komt7bczax",
-  "npdou3rpemmwi",
-  "uizfuocgllffc",
-  "kgcjfbhjeeujv",
-  "ni2s7l3ulzmtl",
-  "lwcxk6sqgmdxi",
-  "o2bwpqyqqkemd",
-  "mwdthjtge5plc",
-  "nxq55ylg23swh",
-  "xjbcakcuv6nva",
-  "bkjd7d7nhgpxc",
-  "zxvrfbbtpb6cl",
   "2b56dpd54zr62",
-  "qxfk7tz7gwyti",
-  "ys2zviehsfkx5",
-  "ddn2kwscar6oh",
-  "dzpibec7jitg3",
-  "4bgpud3frf6hh",
-  "3oejqnlsseply",
-  "qn2hp5nyk7hep",
-  "mraku3adaolx5",
-  "fchqtradcl2qj",
+  "3gaf4ckp5be5j",
+  "3kwayvs5zrtng",
   "3me6tlrexwc22",
+  "3me6ttgsjlb24",
   "3me6u2g7inq26",
   "3me6u76kn4p2a",
   "3me6uc232xc2c",
   "3me6uf4mag22e",
-  "3me6ttgsjlb24",
   "3meb7bdy2w722",
   "3meb7w4vtqh24",
   "3meb7ykzu2r26",
-  "3mebae7z55h2a"
+  "3mebae7z55h2a",
+  "3oejqnlsseply",
+  "3ucggdsyhth6h",
+  "4bgpud3frf6hh",
+  "6eg45a33vqzp3",
+  "74zyr4w2s3vf4",
+  "7aply5kzsrurb",
+  "a6hfn4arclf3k",
+  "b7emi5uv7frxu",
+  "berfskicpcnld",
+  "bkjd7d7nhgpxc",
+  "buzwfx2jasgos",
+  "bvm7emi5zgatx",
+  "coztphfo4rtbx",
+  "cuismxqmr5kjj",
+  "d4wj4rh3k3zsf",
+  "ddn2kwscar6oh",
+  "dud5blgqfgxm7",
+  "dzpibec7jitg3",
+  "eto4yezfoztky",
+  "fchqtradcl2qj",
+  "gx5bssnv2h4vm",
+  "i3yrryvuobx44",
+  "imlara2baiopj",
+  "jcdlr7wjyernr",
+  "jee3z7tbzoxic",
+  "jkvo4qeutpfkk",
+  "jt3komt7bczax",
+  "kftis2fugsvqt",
+  "kgcjfbhjeeujv",
+  "khx456dlcp7fs",
+  "kidbeqeb2gjrx",
+  "ktjdbs7ie2x6d",
+  "lgr6ni5clwg7r",
+  "lwcxk6sqgmdxi",
+  "mraku3adaolx5",
+  "mvahfu2zl55jr",
+  "mwdthjtge5plc",
+  "ncxfpuml2yoqi",
+  "ni2s7l3ulzmtl",
+  "npdou3rpemmwi",
+  "nxq55ylg23swh",
+  "o2bwpqyqqkemd",
+  "odtsnpvndlp73",
+  "oulyo5t5yavqz",
+  "p4l6y3qkmfscg",
+  "p6mxoi2x2ooz6",
+  "q57mb4gebtj2o",
+  "qbuquaswgxo36",
+  "qn2hp5nyk7hep",
+  "qxfk7tz7gwyti",
+  "s55utv52t3rf6",
+  "smrgeplyw5wmr",
+  "snju64fbt4a3n",
+  "sqzphb67ymv4i",
+  "sv26xtnwgjsds",
+  "tg7crfsupxz7h",
+  "uizfuocgllffc",
+  "upkr4d3t6kvut",
+  "vr72pvlhuxnf5",
+  "vt7de2xmkqdgk",
+  "wigv2qnon7pmg",
+  "wwgwt2ycq3tx5",
+  "xjbcakcuv6nva",
+  "xlh5s3wr2z6ia",
+  "y2qobgxho6jte",
+  "ycjwf47jjogfi",
+  "ygwc5lfiqugqr",
+  "ys2zviehsfkx5",
+  "z42mx3edarpnb",
+  "zcjwkbra3y224",
+  "zi7t34bdc6kqn",
+  "zq3rudsk64jjb",
+  "zxvrfbbtpb6cl"
 ]
\ No newline at end of file
diff --git a/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mf653plsl722.json b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mf653plsl722.json
new file mode 100644
index 0000000..c83092e
--- /dev/null
+++ b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mf653plsl722.json
@@ -0,0 +1,28 @@
+{
+  "cid": "bafyreidjio2ixenxm25o6vrw6q3lefpdj3rfb25eai32wptz4tzhk66qrm",
+  "uri": "at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/3mf653plsl722",
+  "value": {
+    "$type": "ai.syui.log.post",
+    "content": {
+      "$type": "ai.syui.log.post#markdown",
+      "text": "## site.standard とは\n\natproto上でブログやWebサイトを公開するための標準lexicon。\n\n- `site.standard.publication` : サイト全体の定義（URL、名前、テーマ等）\n- `site.standard.document` : 個別の記事レコード\n\n## ailogの対応\n\nailogの `ai.syui.log.post` と `ai.syui.log.chat` のスキーマを `site.standard.document` と互換性のある形に統一した。\n\n### 共通のrequiredフィールド\n\n```json\n{\n  \"site\": \"https://syui.ai\",\n  \"title\": \"記事タイトル\",\n  \"publishedAt\": \"2026-02-19T00:00:00Z\"\n}\n```\n\nこれは `site.standard.document` と同じrequiredなので、将来的にそのままpushできる。\n\n### contentはopen union\n\n```json\n{\n  \"content\": {\n    \"$type\": \"ai.syui.log.post#markdown\",\n    \"text\": \"# Hello World\"\n  }\n}\n```\n\n`content` フィールドは `$type` を持つopen unionになっている。これにより、markdownだけでなく他のフォーマットにも拡張可能。\n\n### .well-known エンドポイント\n\n`/.well-known/site.standard.publication` を設置し、ドメインとATProtoレコードの紐づけを検証可能にした。\n\n```\nhttps://syui.ai/.well-known/site.standard.publication\n→ at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/site.standard.publication/syui.ai\n```\n\n### lexiconスキーマのpush\n\nPDS上の `com.atproto.lexicon.schema` コレクションにlexiconスキーマを登録した。\n\n```sh\n$ ailog lexicon lexicons/site.standard.publication.json\n$ ailog lexicon lexicons/site.standard.document.json\n```"
+    },
+    "langs": [
+      "ja"
+    ],
+    "publishedAt": "2026-02-19T00:00:00.000Z",
+    "site": "https://syui.ai",
+    "tags": [
+      "atproto",
+      "site-standard",
+      "lexicon"
+    ],
+    "title": "site.standard lexiconに対応した",
+    "translations": {
+      "en": {
+        "content": "## What is site.standard?\n\nA standard lexicon for publishing blogs and websites on atproto.\n\n- `site.standard.publication` : Defines the overall site (URL, name, theme, etc.)\n- `site.standard.document` : Individual article records\n\n## ailog's support\n\nUnified the schemas of `ai.syui.log.post` and `ai.syui.log.chat` to be compatible with `site.standard.document`.\n\n### Common required fields\n\n```json\n{\n  \"site\": \"https://syui.ai\",\n  \"title\": \"Article title\",\n  \"publishedAt\": \"2026-02-19T00:00:00Z\"\n}\n```\n\nThese match the required fields of `site.standard.document`, so records can be pushed directly in the future.\n\n### Content as open union\n\n```json\n{\n  \"content\": {\n    \"$type\": \"ai.syui.log.post#markdown\",\n    \"text\": \"# Hello World\"\n  }\n}\n```\n\nThe `content` field is an open union with `$type`. This allows extension beyond markdown to other formats.\n\n### .well-known endpoint\n\nSet up `/.well-known/site.standard.publication` to enable verification of the link between the domain and ATProto records.\n\n```\nhttps://syui.ai/.well-known/site.standard.publication\n→ at://did:plc:vzsvtbtbnwn22xjqhcu3vd6y/site.standard.publication/syui.ai\n```\n\n### Lexicon schema push\n\nRegistered lexicon schemas to the `com.atproto.lexicon.schema` collection on PDS.\n\n```sh\n$ ailog lexicon lexicons/site.standard.publication.json\n$ ailog lexicon lexicons/site.standard.document.json\n```",
+        "title": "Added site.standard lexicon support"
+      }
+    }
+  }
+}
\ No newline at end of file
diff --git a/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/index.json b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/index.json
index ed7d5dd..2b77381 100644
--- a/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/index.json
+++ b/public/content/did:plc:vzsvtbtbnwn22xjqhcu3vd6y/ai.syui.log.post/index.json
@@ -1,3 +1,4 @@
 [
+  "3mf653plsl722",
   "3mchqlshygs2s"
 ]
\ No newline at end of file