feat : moveTopButton 구현 (#62)

src/shared/ui/MoveTopButton/MoveTopButton.stories.tsx

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+import type { Meta, StoryObj } from '@storybook/react';
+import MoveTopButton from './MoveTopButton';
+
+const meta: Meta<typeof MoveTopButton> = {
+    title: 'shared/UI/MoveTopButton',
+    component: MoveTopButton,
+    tags: ['autodocs']
+};
+
+export default meta;
+type Story = StoryObj<typeof MoveTopButton>;
+
+export const Default: Story = {};

src/shared/ui/MoveTopButton/MoveTopButton.styled.ts

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+import styled, { keyframes } from 'styled-components';
+
+const moveAnimation = keyframes`
+    0%, 100% {
+        // transform: translateY(0);
+        background-color: #ff480e;
+    }
+    50% {
+        // transform: translateY(-5px);
+        background-color: #ff480ebb;
+    }
+`;
+
+const moveImgAnimation = keyframes`
+    0%, 100% {
+        transform: translateY(0) rotate(-45deg);
+    }
+    50% {
+        transform: translateY(-5px) rotate(-45deg);
+    }
+`;
+
+export const StyledButton = styled.button`
+    position: fixed;
+    bottom: 20px;
+    right: 20px;
+    width: 91px;
+    height: 91px;
+    border: none;
+    border-radius: 100px;
+    background-color: #ff480e;
+    display: flex;
+    flex-direction: column;
+    justify-content: center;
+    align-items: center;
+    gap: -20px;
+    cursor: pointer;
+    z-index: 1000;
+
+    &::before {
+        content: '';
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        width: 85%;
+        height: 85%;
+        border: 1px solid #ffffff;
+        border-radius: 100px;
+        transform: translate(-50%, -50%);
+        z-index: -1;
+    }
+
+    &::after {
+        content: '';
+        position: absolute;
+        top: 50%;
+        left: 50%;
+        width: 70%;
+        height: 70%;
+        border: 1px solid #ffffff4c;
+        border-radius: 100px;
+        transform: translate(-50%, -50%);
+        z-index: -1;
+    }
+
+    &:hover {
+        animation: ${moveAnimation} 1s ease-in-out infinite;
+    }
+
+    // &:hover text {
+    //     animation: ${moveAnimation} 1s ease-in-out infinite;
+    // }
+
+    &:hover img {
+        animation: ${moveImgAnimation} 1s ease-in-out infinite;
+    }
+`;
+
+export const StyledText = styled.span`
+    color: #ffffff;
+    font-weight: bold;
+    font-size: 14px;
+    font-family: 'Pretendard', sans-serif;
+`;
+
+export const Container = styled.div`
+    width: 100%;
+    height: 1200px;
+`;
+
+export const StyledImg = styled.img`
+    height: 25px;
+    width: 25px;
+    transform: rotate(-45deg);
+    display: inline-block;
+    cursor: pointer;
+`;

src/shared/ui/MoveTopButton/MoveTopButton.tsx

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+import React from 'react';
+import {
+    StyledButton,
+    Container,
+    StyledImg,
+    StyledText
+} from './MoveTopButton.styled';
+
+const MoveTopButton = () => {
+    /** 화면 최상단으로 이동하는 이벤트 */
+    const handleClick = () => {
+        window.scrollTo({ top: 0, behavior: 'smooth' });
+    };
+
+    return (
+        <Container>
+            <StyledButton onClick={handleClick}>
+                <StyledImg src="/arrow_up.svg" />
+                <StyledText>Top</StyledText>
+            </StyledButton>
+        </Container>
+    );
+};
+
+export default MoveTopButton;