[Unity3D] UI Navigationが動作しない

提示コードですがゲームが実行されるnavigationされた通りに上下にUIボタンが動き。この場合だとEnterキーを押すと赤色に表示されるのですがなぜか表示されません。イベントシステムは入っています。キー入力はいじってません。なぜでしょうか？

参考サイト: https://westhillapps.blog.jp/archives/43683528.html
参考サイト: https://kido0617.github.io/unity/2020-08-10-loop-navigation/

Move(),AttackControl()部にキー入力コードがあります。

cs
1using System.Collections;
2using System.Collections.Generic;
3using UnityEngine;
4using System.Linq;
5public class PlayerControl : MonoBehaviour
6{
7    private CharacterController cc;
8    private Vector3 moveForward;
9    private Animator anim;
10
11    public ItemShopMenu shop;
12
13    
14    [SerializeField] public List<GameObject> weaponList;
15
16    private int weaponSelect;
17
18    public bool isShopArea;     //ショップエリアかどうか？
19    private bool isShopMenu;    //ショップ画面を開いているかどうか？
20
21    [SerializeField] private float moveSpeed = 0.001f;  //移動速度
22
23    //攻撃
24    private　GameObject weapon;
25    [SerializeField] private GameObject weaponInstancePosition;
26
27    //移動
28    private float inputHorizontal;
29    private float inputVertical;
30
31    public PlayerStatus status; //パラメータ
32
33    //時間
34    private float waitTime = 0.3f;
35    private float wait;
36
37    void Start()
38    {
39        isShopArea = false;
40        isShopMenu = false;
41        weaponSelect = 0;
42        anim = GetComponent<Animator>();
43        cc = GetComponent<CharacterController>();
44
45
46        //weaponList = new List<GameObject>();
47        //weaponList.Add(Resources.Load("Prefabs/Bullet/Player/spear6") as GameObject);
48        weapon = weaponList.Last();
49
50    }
51
52
53    private void FixedUpdate()
54    {
55
56    }
57
58
59    void Update()
60    {
61        ShopMenu();
62
63        if(isShopMenu == false)
64        {
65            AttackControl();    //攻撃
66            MoveControl();      //移動
67        }
68    }
69
70    void ShopMenu()
71    {
72        if(isShopArea == true)
73        {
74            if(Input.GetKeyDown(KeyCode.T))
75            {
76                isShopMenu = !isShopMenu;
77            }
78        }
79
80        shop.isShopping = isShopMenu;
81
82
83    }
84
85    //攻撃
86    void AttackControl()
87    {
88        if(Input.GetKeyDown(KeyCode.Q))
89        {
90            if(weaponSelect > 0)
91            {
92                weaponSelect--;
93            }
94
95            weapon = weaponList[weaponSelect];
96
97        }
98        else if (Input.GetKeyDown(KeyCode.E))
99        {
100            if (weaponSelect < weaponList.Count -1)
101            {
102                weaponSelect++;
103            }
104
105            weapon = weaponList[weaponSelect];
106        }
107
108
109
110
111        transform.rotation = Quaternion.LookRotation(Camera.main.transform.forward);
112        if (Input.GetMouseButton(0))
113        {
114            if(wait >= waitTime || wait == 0)
115            {
116                GameObject g = Instantiate(weapon, weaponInstancePosition.transform.position, transform.rotation);
117                g.GetComponent<Bullet>().moveVector = Vector3.Scale(transform.forward,new Vector3(1,0,1));
118                g.gameObject.transform.Rotate(new Vector3(90,0,0));
119
120                wait = 0;
121            }
122            wait += Time.deltaTime;
123        }
124        else
125        {
126            wait = 0;
127        }
128    }
129
130
131    //移動
132    void MoveControl()
133    {
134
135        if(Input.GetKey(KeyCode.W))
136        {
137            inputVertical = 1;
138        }
139        else if(Input.GetKey(KeyCode.S))
140        {
141            inputVertical = -1;
142        }
143        else
144        {
145            inputVertical = 0;
146
147        }
148
149        if (Input.GetKey(KeyCode.A))
150        {
151            inputHorizontal = -1;
152        }
153        else if (Input.GetKey(KeyCode.D))
154        {
155            inputHorizontal = 1;
156        }
157        else
158        {
159            inputHorizontal = 0;
160
161        }
162
163        Vector3 cameraForward = Vector3.Scale(Camera.main.transform.forward.normalized, new Vector3(1, 0, 1)).normalized;
164        moveForward = (cameraForward * inputVertical) + (Camera.main.transform.right * inputHorizontal);
165
166        // キャラクターの向きを進行方向
167        if (moveForward != Vector3.zero)
168        {
169            transform.rotation = Quaternion.LookRotation(moveForward);
170        }
171
172        //ジャンプ
173        if(Input.GetKeyDown(KeyCode.Space))
174        {
175
176        }
177
178        anim.SetFloat("moveSpeed",moveForward.magnitude);
179        //anim.SetBool("isJump", isJump);
180
181        //Debug.Log(moveForward.magnitude);
182        //moveForward.y = -100f;
183
184        cc.Move(moveForward.normalized * moveSpeed * Time.deltaTime);   //移動速度
185        cc.Move(new Vector3(0,-50,0) * Time.deltaTime);                //落下速度
186        
187    }
188
189
190
191
192    private void OnCollisionEnter(Collision collision)
193    {
194
195    }
196
197
198
199}
200