Quiz.cs

using AnKuchen.KuchenLayout;
using AnKuchen.Map;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;

public class Quiz : MonoBehaviour
{
    public UICache titleUiCache;
    public UICache quizUiCache;
    public UICache resultUiCache;

    public void Start()
    {
        MainFlow().Forget();
    }

    private async UniTask MainFlow()
    {
        var titleUi = new TitleUiElements(titleUiCache);
        var quizUi = new QuizUiElements(quizUiCache);
        var resultUi = new ResultUiElements(resultUiCache);
        titleUi.Root.SetActive(false);
        quizUi.Root.SetActive(false);
        resultUi.Root.SetActive(false);

        while (true)
        {
            // タイトル
            titleUi.Root.SetActive(true);
            await titleUi.StartButton.OnClickAsync();

            // クイズ
            titleUi.Root.SetActive(false);
            quizUi.Root.SetActive(true);
            quizUi.QuizText.text = "世界で一番高い山は？";
            using (var editor = quizUi.SelectButtons.Edit())
            {
                var a = editor.Create();
                a.ButtonText.text = "富士山";

                var b = editor.Create();
                b.ButtonText.text = "K2";

                var c = editor.Create();
                c.ButtonText.text = "高尾山";

                var d = editor.Create();
                d.ButtonText.text = "六甲山";
            }
            var index = await UniTask.WhenAny(quizUi.SelectButtons.Elements.Select(x => x.Button.OnClickAsync()));

            // リザルト
            quizUi.Root.SetActive(false);
            resultUi.Root.SetActive(true);
            resultUi.Maru.gameObject.SetActive(index == 0);
            resultUi.Batu.gameObject.SetActive(index != 0);
            await resultUi.ReturnButton.OnClickAsync();

            resultUi.Root.SetActive(false);
        }
    }
}

アニメ入り版

using AnimeTask;
using AnKuchen.KuchenLayout;
using AnKuchen.Map;
using Cysharp.Threading.Tasks;
using UnityEngine;
using UnityEngine.UI;

public class Quiz : MonoBehaviour
{
    public UICache titleUiCache;
    public UICache quizUiCache;
    public UICache resultUiCache;

    public void Start()
    {
        MainFlow().Forget();
    }

    private async UniTask MainFlow()
    {
        var titleUi = new TitleUiElements(titleUiCache);
        var quizUi = new QuizUiElements(quizUiCache);
        var resultUi = new ResultUiElements(resultUiCache);
        titleUi.Root.SetActive(false);
        quizUi.Root.SetActive(false);
        resultUi.Root.SetActive(false);

        while (true)
        {
            // タイトル
            titleUi.Root.SetActive(true);

            var origin = titleUi.TitleText.rectTransform.anchoredPosition;
            await Easing.Create<OutBounce>(origin + new Vector2(0f, 600f), origin, 0.5f).ToAnchoredPosition(titleUi.TitleText);

            await titleUi.StartButton.OnClickAsync();

            // クイズ
            titleUi.Root.SetActive(false);
            quizUi.Root.SetActive(true);
            quizUi.QuizText.text = "世界で一番高い山は？";
            using (var editor = quizUi.SelectButtons.Edit())
            {
                var a = editor.Create();
                a.ButtonText.text = "富士山";

                var b = editor.Create();
                b.ButtonText.text = "K2";

                var c = editor.Create();
                c.ButtonText.text = "高尾山";

                var d = editor.Create();
                d.ButtonText.text = "六甲山";
            }

            var index = await UniTask.WhenAny(quizUi.SelectButtons.Elements.Select(x => x.Button.OnClickAsync()));

            // リザルト
            quizUi.Root.SetActive(false);
            resultUi.Root.SetActive(true);
            resultUi.Maru.gameObject.SetActive(index == 0);
            resultUi.Batu.gameObject.SetActive(index != 0);

            var scaleAnimation = Easing.Create<OutBounce>(Vector3.one * 3f, Vector3.one, 0.5f);
            await UniTask.WhenAll(
                scaleAnimation.ToLocalScale(resultUi.Maru),
                scaleAnimation.ToLocalScale(resultUi.Batu)
            );

            await resultUi.ReturnButton.OnClickAsync();

            resultUi.Root.SetActive(false);
        }
    }
}