add start screen illustration

godot/assets/Screen.png.import

@@ -0,0 +1,34 @@
+[remap]
+
+importer="texture"
+type="CompressedTexture2D"
+uid="uid://cn4wf5xjeok2j"
+path="res://.godot/imported/Screen.png-50b5afc896c13f86c26465d5a0a22f66.ctex"
+metadata={
+"vram_texture": false
+}
+
+[deps]
+
+source_file="res://assets/Screen.png"
+dest_files=["res://.godot/imported/Screen.png-50b5afc896c13f86c26465d5a0a22f66.ctex"]
+
+[params]
+
+compress/mode=0
+compress/high_quality=false
+compress/lossy_quality=0.7
+compress/hdr_compression=1
+compress/normal_map=0
+compress/channel_pack=0
+mipmaps/generate=false
+mipmaps/limit=-1
+roughness/mode=0
+roughness/src_normal=""
+process/fix_alpha_border=true
+process/premult_alpha=false
+process/normal_map_invert_y=false
+process/hdr_as_srgb=false
+process/hdr_clamp_exposure=false
+process/size_limit=0
+detect_3d/compress_to=1

godot/src/start.tscn

@@ -1,4 +1,4 @@
-[gd_scene load_steps=9 format=3 uid="uid://da5fh0ulgabo4"]
+[gd_scene load_steps=10 format=3 uid="uid://da5fh0ulgabo4"]
 
 [ext_resource type="Script" path="res://addons/input_helper/input_key.gd" id="1_linvu"]
 [ext_resource type="Theme" uid="uid://cj7m8mvymraef" path="res://theme/theme.tres" id="1_o10sg"]
@@ -8,6 +8,7 @@
 [ext_resource type="Texture2D" uid="uid://bjsoxjytx7pf6" path="res://src/background.tres" id="3_svgpa"]
 [ext_resource type="AudioStream" uid="uid://b1e1nre5yw3cf" path="res://assets/sound/プレゼンタイトル表示2.mp3" id="4_7l68f"]
 [ext_resource type="AudioStream" uid="uid://drgcjf4qf00kj" path="res://assets/sound/REFLECT_Inst_hololive_202310280008.mp3" id="5_covsc"]
+[ext_resource type="Texture2D" uid="uid://cn4wf5xjeok2j" path="res://assets/Screen.png" id="5_h77cu"]
 
 [node name="Start" type="Control"]
 layout_mode = 3
@@ -35,6 +36,12 @@ stretch_mode = 5
 
 [node name="ScreenBubbles" parent="MarginContainer2" instance=ExtResource("3_8tvo4")]
 
+[node name="Background2" type="TextureRect" parent="MarginContainer2"]
+layout_mode = 2
+texture = ExtResource("5_h77cu")
+expand_mode = 5
+stretch_mode = 5
+
 [node name="HBoxContainer" type="HBoxContainer" parent="MarginContainer2"]
 visible = false
 layout_mode = 2