diff --git a/base/anzen.geojson b/base/anzen.geojson
new file mode 100644
index 0000000..56ff174
--- /dev/null
+++ b/base/anzen.geojson
@@ -0,0 +1,3463 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "description": "該当がなく夜は暗い。"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
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+          [
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "信号がない横断歩道。",
+        "_storage_options": {
+          "color": "red"
+        },
+        "name": "ENEOS前交差点",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.84994888305664,
+          38.93032033661598
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "大きな用水路・転落注意",
+        "_storage_options": {
+          "weight": "8"
+        },
+        "name": "クリーンセンター脇用水路",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "交通量が多い。\nスピードを出す車が多い。",
+        "name": "ゆたか県道353",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8456573486328,
+          38.935177586914634
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "name": "ゆたか県道353",
+        "description": "交通量が多い。\nスピードを出す車が多い。",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "description": "交通量が多い。\nスピードを出す車が多い。",
+        "name": "県道42号泉小周辺",
+        "筆者": "第六中学校"
+      },
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+    {
+      "type": "Feature",
+      "properties": {
+        "description": "信号がない横断歩道。",
+        "_storage_options": {
+          "color": "red"
+        },
+        "name": "西高南東の交差点",
+        "筆者": "第六中学校"
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+      "geometry": {
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "地下道",
+        "description": "不審者に注意。\n自転車に乗っている人がいて危険。",
+        "_storage_options": {
+          "color": "red"
+        },
+        "筆者": "第六中学校"
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+      "geometry": {
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+      }
+    },
+    {
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+      "properties": {
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+          "color": "red"
+        },
+        "description": "外灯がなく夜は暗い。",
+        "name": "鶴田橋近辺",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
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+        "name": "歩行者信号",
+        "description": "夕陽にまぎれて赤信号を見落す車が続出。",
+        "_storage_options": {
+          "color": "red"
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+        "筆者": "第六中学校"
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+      "geometry": {
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "街灯が少なく夜暗い。",
+        "name": "北部公園南方の用水路交差点",
+        "筆者": "第六中学校"
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+        "type": "Point",
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+    {
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+        "description": "業務用トラックが多い",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
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+        "name": "こあら中央公園前",
+        "description": "植え込みで見通しが悪い\n飛び出し注意",
+        "筆者": "若浜小学校PTA"
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+    {
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+      "properties": {
+        "description": "下校時の進入車両多い",
+        "name": "セリア前",
+        "筆者": "若浜小学校PTA"
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+    {
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+        "description": "夕方、車が多い",
+        "筆者": "若浜小学校PTA"
+      },
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+        "type": "Point",
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "狭い道路",
+        "description": "通行に注意",
+        "筆者": "若浜小学校PTA"
+      },
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+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "狭い道路",
+        "description": "車とのすれ違い等に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "狭い歩道",
+        "description": "通行に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "見通しが悪い交差点",
+        "description": "通行に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
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+        "description": "見通しが悪いので通行に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
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+        "coordinates": [
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+    {
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+      "properties": {
+        "name": "交差点",
+        "description": "トラックが多い\n信号のない交差点多数",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
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+        "name": "校門前",
+        "description": "登校バスの出入りがある",
+        "筆者": "若浜小学校PTA"
+      },
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+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "国道七号線",
+        "description": "急な斜面がある",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "国道七号線下",
+        "description": "暗く狭い道路\n深い排水路もあり危険",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "若浜公園",
+        "description": "死角が多い",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "若浜町",
+        "description": "見通しが悪いので横断注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "若浜保育園",
+        "description": "保育園送迎の車が多い",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91477823952801
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "新井田川",
+        "description": "川遊び危険",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91432745121937
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "歩道がないので通行注意",
+        "name": "新橋南公園前",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91474484789965
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "深い水路",
+        "description": "危険なので近づかない",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "深い側溝",
+        "description": "危険なので近づかない",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.911864760838284
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "深い排水路",
+        "description": "柵がなく危険",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91714065735853
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "深い排水路",
+        "description": "柵がなく危険",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91404362007461
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "横断注意",
+        "name": "村山医院前",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91301680968756
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "釣り場",
+        "description": "電線に注意",
+        "筆者": "若浜小学校PTA"
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+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91915240700719
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+    {
+      "type": "Feature",
+      "properties": {
+        "name": "鉄橋",
+        "description": "下を通り抜けてはいけない",
+        "筆者": "若浜小学校PTA"
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+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91797541517285
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "踏切",
+        "description": "電車の通過と、地下道の不審者情報に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.914544497799476
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "踏切",
+        "description": "見通しが悪く、その上狭い",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.913125335064706
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "浜田南公園前",
+        "description": "横断注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.91371804765783
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "緑公園前",
+        "description": "横断に注意",
+        "筆者": "若浜小学校PTA"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "あきほ町国道7付近",
+        "description": "イオン酒田南店前の交差点です。コバック側から青信号で右折して両羽橋に進入する際、イオン側から来る左折車と追突することがあります。また、両羽橋方面からの右折車との追突事故・右直事故も多発しています。右折する際は無理せず右折信号を待ちましょう(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/jasco1.jpg}}"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.89188772399903
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "こがね町国道7付近",
+        "description": "洋服の青山前の交差点です。学校が付近にあるため、横断者に注意です。また交通量が多いため追突事故も多発しています。時間帯によっては渋滞が生じるのでこの道を利用する際は余裕をもって出発しましょう(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/ga-den1.jpg}}"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "ト一屋みずほ店前の交差点です。八文字屋側からの右折信号がないため、横断中の歩行者・自転車に注意しながら右折しましょう。また、学校が付近にあるため特に子どもに注意を払いましょう(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/toichiya.jpg}}",
+        "name": "みずほ1丁目20-6"
+      },
+      "geometry": {
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "京田県道38国道7交差点",
+        "description": "太平工業前の交差点です。車通りが非常に多く、右折信号がありますが右直事故・追突事故が多いです。近くに運送会社がありトラックが多いため内輪差には注意しましょう(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/taihei1.jpg }}"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.83821287751198,
+          38.88072627433416
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "山居町県道353国道112交差点",
+        "description": "大きな道路ですが歩行者・自転車が多いため注意が必要です。中でも高齢の方が多いため、車での走行中はスピードは出さずに無理せず信号を渡りましょう。また、車線減少があるため追突事故にも気を付けましょう(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/sankyo1.jpg}}"
+      },
+      "geometry": {
+        "type": "Point",
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+        "description": "酒田市役所前の交差点です。市役所の前であるため自転車・歩行者・車の交通量が多く、出会い頭の事故が多発しています(県警)。{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/shiyakusho1.jpg}}"
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+    {
+      "type": "Feature",
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+        "name": "東町県道40,47国道7交差点",
+        "description": "しまむら前の交差点です。道路が大きい分、交通量も非常に多いです。追突事故に気を付けましょう。また、車線が多いため無理な車線変更はやめましょう(県警)。 {{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/shimamura1.jpg}}"
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+        "type": "Point",
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+    {
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+      "properties": {
+        "_storage_options": {
+          "color": "blue"
+        },
+        "name": "飛鳥地内県道40国道345交差点",
+        "description": "平田のJA-SS前の交差点です。道幅が広く、車での走行が快適ですが出会い頭での車同士の事故が多いです。白線が消えかかっているため、車線の確認をしっかりしましょう(県警)。\n{{//www.koeki-prj.org/a/sktmap/2016/anzen/kenkei/hirata.jpg}}"
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+        "name": "38号線沿い用水路",
+        "description": "段差があり用水路にふたがなく危険。",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
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+        "type": "Point",
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+    {
+      "type": "Feature",
+      "properties": {
+        "name": "JA付近交差点",
+        "description": "飛び出し注意。\n自転車は一時停止する。",
+        "著者": "黒森小学校"
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "JA付近坂道",
+        "description": "スピードを出すと危険。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
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+    {
+      "type": "Feature",
+      "properties": {
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+        },
+        "name": "JA付近道路の交差点",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "JA付近用水路",
+        "description": "水量が多い。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "カーブ",
+        "description": "見通しが悪いので注意。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "トラック駐車場",
+        "description": "資材置き場で遊ばない。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8210883140564,
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "菊勇（株）付近交差点",
+        "description": "飛び出し危険。",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "公民館付近交差点",
+        "description": "交通量が多い。\n信号をよく見ること。\n青信号でも車の動きに注意。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "Navy"
+        },
+        "name": "黒森小学校前交差点",
+        "description": "交通量が大変多い。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+    {
+      "type": "Feature",
+      "properties": {
+        "name": "黒森小学校付近用水路",
+        "description": "傾斜が急なので注意。",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.82140481472018,
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "資材置き場",
+        "description": "木材が崩れると危険",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8208844661713,
+          38.85364527095261
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "沼",
+        "description": "背丈くらいの草の向こうに深い沼",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.84875319683003
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "新川橋付近交差点",
+        "description": "飛び出さない。",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.84283296125973
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "富樫酒店付近土手",
+        "description": "急な土手に注意。",
+        "著者": "黒森小学校",
+        "_storage_options": {
+          "color": "Navy"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.84271597210715
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "用水路",
+        "description": "深い堰。落ちると危険。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8211634159088,
+          38.84596652769441
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "name": "用水路",
+        "description": "水量が多い用水路。",
+        "著者": "黒森小学校"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "あきほ町",
+        "description": "野鳥観察館裏の草むらには行かない。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.84741687774658,
+          38.88757555359511
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "あきほ町",
+        "description": "皮膚科さいとう医院前交差点やコンビニ前交差点、ホテルイン酒田から日本海病院までの道路は交通量が多いので、注意して歩こう。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.84885454177856,
+          38.889396070923496
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "あきほ町",
+        "description": "小牧川沿いの階段に注意しよう。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.85003471374512,
+          38.89183448892334
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "イオン酒田南店",
+        "description": "イオン酒田南店北側出入口は、朝夕を問わず車両の往来が多い。混雑時は、渋滞した車により児童の姿が見にくくなる。",
+        "筆者": "松原小学校",
+        "_storage_options": {
+          "color": "Yellow"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.854691028595,
+          38.89438972755005
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "こがね",
+        "description": "県営アパートに隣接したT字路は、出入り車両と歩道からの自転車屋歩行者などとの接触事故の危険あり。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8618578910828,
+          38.904209004758286
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "こがね",
+        "description": "２丁目ゴミステーション近くの小牧川に降りる階段は、ネットは張られているが、水の量が一定ではないので、近づかない。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8583817481995,
+          38.900384991903856
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "つばさ",
+        "description": "旧魚座付近、かっぱ寿司付近、あづま食堂付近は、交通量が多く、注意が必要。\n小牧川に降りる階段、落ちないように注意しよう。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.84617233276364,
+          38.89557546065178
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "つばさ",
+        "description": "両羽公園付近の側溝は、深くて蓋がない。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.84748125076297,
+          38.894356326330936
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "ほっともっとこがね町店丁字路",
+        "description": "朝夕のラッシュ時、交通量が多い。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8609566688538,
+          38.90292322429229
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "20"
+        },
+        "name": "みずほ2丁目",
+        "description": "八文字屋・うどん市の交差点やみずほ東公園の出入口、スターバックスのドライブスルーの出入口に注意しよう。"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
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+            38.90320292527151
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+          [
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+            38.90222605436921
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "みずほ2丁目",
+        "description": "八文字屋・うどん市の交差点やみずほ東公園の出入口、スターバックスのドライブスルーの出入口に注意しよう。"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.85094130039218,
+          38.90278546071843
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "交通量が多く、注意が必要な交差点がある。必ず左右を確認して渡ろう。",
+        "name": "みずほR7交差点",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.85604286193845,
+          38.900986160406624
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "筆者": "松原小学校",
+        "name": "亀ヶ崎５丁目付近",
+        "description": "変則十字路や変電所付近は道路がせまく、交通量が多い。よく確認して通行しよう。"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
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+            38.89966692285501
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "亀ヶ崎５丁目付近",
+        "description": "変則十字路や変電所付近は道路がせまく、交通量が多い。よく確認して通行しよう。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "筆者": "松原小学校",
+        "name": "亀ヶ崎７丁目",
+        "description": "東両羽公園から小牧川に近づかない。"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
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+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "亀ヶ崎７丁目",
+        "description": "セブンイレブン前の大きな十字路付近、内河原公園付近の十字路は、朝夕交通量が多くなるので注意しよう。飛び出しはしない。",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "description": "東両羽公園から小牧川に近づかない。",
+        "name": "亀ヶ崎７丁目",
+        "筆者": "松原小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.8956422619276
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "亀ヶ崎7丁目",
+        "description": "セブンイレブン前の大きな十字路付近、内河原公園付近の十字路は、朝夕交通量が多くなるので注意しよう。飛び出しはしない。"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+          38.89875680164956
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "筆者": "松原小学校",
+        "description": "こあら方面への右折待ちが多く、待ちきれない車が地区内を猛スピードで通るので危険。",
+        "name": "四ツ興野"
+      },
+      "geometry": {
+        "type": "LineString",
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+        "筆者": "松原小学校",
+        "_storage_options": {
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+        "description": "東禅寺公園出入り口から、飛び出しをしない。",
+        "筆者": "松原小学校"
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+        "name": "東大町２丁目",
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+        "description": "大町溝の流れが速いので、大雨時に洪水になることがある。\n",
+        "筆者": "松原小学校"
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+        "筆者": "松原小学校",
+        "name": "東大町３丁目",
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+        "筆者": "松原小学校"
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+        "name": "東大町３丁目",
+        "description": "東大町三丁目公園周辺の丁字路と交差点は、見通しが悪いので、必ず左右の確認をして横断する。飛び出しは絶対しない。公園から、ボールが飛び出しやすい。",
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+        "name": "日本海病院付近",
+        "description": "2号棟前（ゴミステーション近く）の道路わきの低い壁の上を歩かない。",
+        "筆者": "松原小学校"
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+        "name": "排水溝",
+        "description": "古川排水溝　大雨時増水しやすく危険",
+        "筆者": "松原小学校"
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+    {
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+      "properties": {
+        "name": "遊摺部会館の前、横の道路",
+        "description": "スピードを出してくる車が多いので気をつけよう。",
+        "筆者": "松原小学校"
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+        "name": "1 宮野浦海岸",
+        "description": "子供たちだけで行かない。",
+        "筆者": "宮野浦小学校"
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+    {
+      "type": "Feature",
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+        "name": "10 緑ヶ丘二丁目公園",
+        "description": "トイレの上に上がらない。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
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+      "type": "Feature",
+      "properties": {
+        "name": "11 変則十字路",
+        "description": "左右後方をよく見る。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "12 学校校門前",
+        "description": "右左をしっかり確認する。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "13 学童前交差点",
+        "description": "左右をよく見る。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "14 若宮一丁目公園",
+        "description": "遊び方の約束を守ろう。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "15 緑地前通学路",
+        "description": "広がって歩かない。\n",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "16 幼稚園近くの丁字路",
+        "description": "斜め横断しない。",
+        "筆者": "宮野浦小学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "17 海岸防砂林",
+        "description": "林に入らない。\n不審者にも注意する。",
+        "筆者": "宮野浦小学校",
+        "_storage_options": {
+          "color": "Yellow"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "2 土手道と坂道",
+        "description": "広がって歩かない。",
+        "筆者": "宮野浦小学校",
+        "_storage_options": {
+          "color": "Yellow"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "3 ゴルフ場の駐車場",
+        "description": "遊ばない。",
+        "筆者": "宮野浦小学校",
+        "_storage_options": {
+          "color": "Yellow"
+        }
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
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+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "3 ゴルフ場の駐車場",
+        "description": "遊ばない。",
+        "筆者": "宮野浦小学校"
+      },
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+        "type": "Polygon",
+        "coordinates": [
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+            [
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+              38.92670639335764
+            ],
+            [
+              139.85861778259277,
+              38.92628906703566
+            ],
+            [
+              139.85924005508423,
+              38.92622229459633
+            ],
+            [
+              139.8590898513794,
+              38.9265478096445
+            ],
+            [
+              139.85859632492065,
+              38.92670639335764
+            ]
+          ]
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "不審者注意(六中)",
+        "name": "R7交差点",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8588001728058,
+          38.92425247936169
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "不審者注意。",
+        "name": "R7交差点",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8588001728058,
+          38.92425247936169
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "ガソリンスタンドがあるため\n車の通りが多い 街灯が少ない。",
+        "name": "セルフガソリンスタンド裏通り",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.85915422439575,
+          38.92289193944866
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "信号のない横断歩道。",
+        "name": "新橋木村屋付近",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8572015762329,
+          38.9194863018452
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "車の通りが多い\nスピードを出す車も多い(六中)",
+        "name": "生石酒田停車場線富士見小近辺",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.86187934875488,
+          38.920855254254754
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "Red"
+        },
+        "name": "地下道",
+        "description": "目が行き届かない\n不審者注意。\n{{//www.koeki-prj.org/a/sktmap/2016/anzen/fujimi/fujimi00.jpg}}",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8588752746582,
+          38.926430958260596
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "暗く人通りが少ない。\n{{//www.koeki-prj.org/a/sktmap/2016/anzen/fujimi/fujimi02.jpg}}",
+        "name": "富士見小裏",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8635959625244,
+          38.9250287266408
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "柵が低く身を乗り出すと危険\n増水時は川の流れも速い。\n{{//www.koeki-prj.org/a/sktmap/2016/anzen/fujimi/fujimi01.jpg}}\n",
+        "name": "富士見小裏橋",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.86182570457458,
+          38.925345900504176
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "大きな側溝あり。",
+        "name": "北新橋用水路",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8565149307251,
+          38.922357732594996
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "name": "用水路",
+        "description": "",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
+            139.86514627933502,
+            38.92747009416963
+          ],
+          [
+            139.86515700817108,
+            38.92723639424772
+          ],
+          [
+            139.86509799957275,
+            38.9270235597204
+          ],
+          [
+            139.86502289772034,
+            38.92640174538455
+          ],
+          [
+            139.86498534679413,
+            38.92593851102796
+          ],
+          [
+            139.8649102449417,
+            38.92567141957366
+          ],
+          [
+            139.86490488052368,
+            38.925504486904096
+          ],
+          [
+            139.8648351430893,
+            38.925354247165636
+          ]
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "color": "red"
+        },
+        "description": "柵がない部分がある\n[[https://www.koeki-prj.org/a/sktmap/2016/anzen/fujimi/fujimi03.jpg|{{//www.koeki-prj.org/a/sktmap/2016/anzen/fujimi/fujimi03.jpg}} ]]",
+        "name": "用水路",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8650121688843,
+          38.92606370980101
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "_storage_options": {
+          "weight": "8"
+        },
+        "name": "用水路",
+        "description": "",
+        "筆者": "第六中学校"
+      },
+      "geometry": {
+        "type": "LineString",
+        "coordinates": [
+          [
+            139.86514627933502,
+            38.92747009416963
+          ],
+          [
+            139.86515700817108,
+            38.92723639424772
+          ],
+          [
+            139.86509799957275,
+            38.9270235597204
+          ],
+          [
+            139.86502289772034,
+            38.92640174538455
+          ],
+          [
+            139.86498534679413,
+            38.92593851102796
+          ],
+          [
+            139.8649102449417,
+            38.92567141957366
+          ],
+          [
+            139.86490488052368,
+            38.925504486904096
+          ],
+          [
+            139.8648351430893,
+            38.925354247165636
+          ]
+        ]
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/base/base.html b/base/base.html
index a4a2e94..2fcf3a7 100644
--- a/base/base.html
+++ b/base/base.html
@@ -1,7 +1,8 @@
 <!DOCTYPE html>
 <html lang="ja">
 <head>
-<title></title>
+<meta charset="utf-8">
+<title>base</title>
 <style type="text/css">
 <!--
 body {background: azure;}
@@ -9,6 +10,7 @@
 </style>
 <link rel="stylesheet" type="text/css" href="../l/leaflet.css">
 <script src="../l/leaflet.js"></script>
+<script src="../l/leaflet.ajax.min.js"></script>
 <style type="text/css">
 <!--
 xxdiv#mymap {width: 90vw; height: 80vh; margin: 0 auto;}
@@ -22,7 +24,10 @@
 
 </div>
 <script type="text/javascript" src="base.js" charset="utf-8"></script>
-
+<label>Office:
+0<input id="opa" name="opa" type="range" min="0" max="100" value="100" id="opa">
+</label>100
+<span id="ofval"></span>
 <hr>
 <!--#include virtual="/~yuuji/signature.html"-->
 </body>
diff --git a/base/base.js b/base/base.js
index 855176c..599e012 100644
--- a/base/base.js
+++ b/base/base.js
@@ -1,5 +1,83 @@
-var mymap = L.map("mymap").setView([38.891, 139.824], 16);
-var layer = L.tileLayer('//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
+var mymap = L.map("mymap").setView([38.891, 139.824], 13);
+
+// ベースマップ群
+var osm = L.tileLayer('//{s}.tile.openstreetmap.org/{z}/{x}/{y}.png', {
  attribution:
    '&copy; <a href="http://osm.org/copyright">OpenStreetMap</a> contributors'
 }).addTo(mymap);
+
+var gsi = L.tileLayer('//cyberjapandata.gsi.go.jp/xyz/std/{z}/{x}/{y}.png', {
+ attribution:
+   '<a href="http://maps.gsi.go.jp/development/ichiran.html">国土地理院</a>'
+}).addTo(mymap);
+
+var baseconf = {'OpenStreatMap': osm, '国土地理院': gsi};
+
+
+
+var officeIcon = L.icon({
+  iconUrl:	'../l/images/marker-icon-2.png',
+  iconSize:     [25, 41],
+  iconAnchor:	[12, 41],
+  shadowUrl:	'../l/images/marker-shadow.png',
+  shadowSize:   [41, 41],
+  shadowAnchor:	[15, 40],
+});
+
+// オブジェクトレイヤ
+function bindGeoJSON(j, layer, icon) {
+    let p = j.properties;
+    if (p) {
+	let name = p.name, desc = p.description;
+	let popup = "<h3>" + name + "</h3>" + "<p>" + desc + "</p>";
+	layer.bindPopup(popup);
+    }
+    //layer.setOpacity(0.5);
+    if (icon && layer.setIcon) layer.setIcon(officeIcon);
+}
+function bindGJ1(f, l) {bindGeoJSON(f, l, null)}
+function bindGJ2(f, l) {bindGeoJSON(f, l, officeIcon)}
+var anzen = new L.GeoJSON.AJAX("anzen.geojson", {
+    onEachFeature: bindGJ1
+});
+
+
+var offices = new L.GeoJSON.AJAX("office.geojson", {
+    onEachFeature: bindGJ2});
+
+var overlayers = {'安全': anzen, '役所': offices}
+
+var lconl = L.control.layers(baseconf, overlayers).addTo(mymap);
+
+function nLayers(e) {
+    var elem = e.target
+    // alert(elem.value);
+    var ols = offices.getLayers();
+    for (var i=0; i<ols.length; i++) {
+	ols[i].setOpacity(elem.value/100);
+    }
+    var als = anzen.getLayers();
+    // for (var i=0; i<als.length; i++) {
+    // 	var a = als[i]
+    // 	if (a.setOpacity) a.setOpacity(1-elem.value/100);
+    // }
+    ////// anzenLayerGroup.setOpacity(1-elem.value/100);
+    alert(anzenLayerGroup.getContainer());
+    document.getElementById("ofval").textContent = elem.value;
+}
+function init() {
+    document.getElementById("opa").addEventListener("input", nLayers);
+}
+document.addEventListener("DOMContentLoaded", init, false)
+var anzenLayerGroup;
+anzen.on('data:loaded', function() {
+    anzenLayerGroup = L.layerGroup(anzen.getLayers());
+    lconl.removeLayer(anzen);
+    lconl.addOverlay(anzenLayerGroup, "Anzen");
+    alert("DONE");
+    alert(anzen.getLayers().length);
+})
+// offices.on('data:loaded', function() {
+//     alert("done");
+//     alert(offices.getLayers().length);
+// })
diff --git a/base/office.geojson b/base/office.geojson
new file mode 100644
index 0000000..74e9820
--- /dev/null
+++ b/base/office.geojson
@@ -0,0 +1,47 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "消防署",
+        "dep": "fire"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.8185992240906,
+          38.890966020877165
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "酒田警察署",
+        "dep": "police"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.85955119132998,
+          38.92839653985563
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "酒田消防署",
+        "dep": "fire"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.83735859394076,
+          38.90975679696275
+        ]
+      }
+    }
+  ]
+}
diff --git a/base/triangle-umap.geojson b/base/triangle-umap.geojson
new file mode 100644
index 0000000..7363f26
--- /dev/null
+++ b/base/triangle-umap.geojson
@@ -0,0 +1,49 @@
+{
+  "type": "FeatureCollection",
+  "features": [
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "三角地帯",
+        "description": "飯森山の三角形"
+      },
+      "geometry": {
+        "type": "Polygon",
+        "coordinates": [
+          [
+            [
+              139.8236417770386,
+              38.89282820375738
+            ],
+            [
+              139.82629179954532,
+              38.89027290895218
+            ],
+            [
+              139.8214423656464,
+              38.89045662602478
+            ],
+            [
+              139.8236417770386,
+              38.89282820375738
+            ]
+          ]
+        ]
+      }
+    },
+    {
+      "type": "Feature",
+      "properties": {
+        "name": "南洲神社",
+        "description": "西郷隆盛像あり"
+      },
+      "geometry": {
+        "type": "Point",
+        "coordinates": [
+          139.82450008392337,
+          38.88983866670988
+        ]
+      }
+    }
+  ]
+}
\ No newline at end of file
diff --git a/index.html b/index.html
index a9e5ab4..908f85f 100644
--- a/index.html
+++ b/index.html
@@ -11,9 +11,16 @@
 
 <body>
 <h1>Leaflet Layers Test</h1>
+<p></p>
 <ul>
  <li><a href="base/base.html">base.html</a></li>
 </ul>
+<ul>
+ <li><a href="https://jpusergis.wordpress.com/2013/11/22/opacitylayers/">https://jpusergis.wordpress.com/2013/11/22/opacitylayers/</a></li>
+
+ <li><a href="https://beiznotes.org/input-range-show-value/">$B%f!<%6!<A`:n$rJaB*$7$FCM$r=q$-49$((B</a></li>
+</ul>
+
 
 <hr>
 <!--#include virtual="/~yuuji/signature.html"-->
diff --git a/start-httpd-here b/start-httpd-here
new file mode 100755
index 0000000..d8ee383
--- /dev/null
+++ b/start-httpd-here
@@ -0,0 +1,7 @@
+#!/bin/sh
+port=${1:-8080}
+dir=`dirname $0`
+dir=`(cd $dir; pwd -P)`
+exec /usr/libexec/httpd \
+ -i 0.0.0.0 -I $port -s -f \
+ -b -p http -u $dir