styles: welcome page

src/app/page.module.scss

@@ -3,4 +3,254 @@
 .main {
   padding: 0;
   min-height: 100vh;
+  background-color: #ffffff;
+  .animated_background_wrap {
+    width: 100%;
+    height: 100%;
+    border: 1px solid rgba(255, 255, 255, 0.18);
+    border-radius: 10px;
+    position: absolute;
+    left: 50%;
+    top: 50%;
+    -webkit-transform: translate(-50%, -50%);
+    -ms-transform: translate(-50%, -50%);
+    transform: translate(-50%, -50%);
+    z-index: 0;
+    overflow: hidden;
+
+    &::before {
+      content: "";
+      width: 100%;
+      height: 100%;
+      background: rgba(0, 0, 0, 0.1);
+      -webkit-box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
+      box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.37);
+      backdrop-filter: blur(40px);
+      -webkit-backdrop-filter: blur(40px);
+      border-radius: 10px;
+      position: absolute;
+      left: 0;
+      top: 0;
+      z-index: -1;
+    }
+
+    .shape {
+      position: absolute;
+      z-index: -2;
+    }
+
+    .shape1 {
+      height: 400px;
+      width: 400px;
+      inset: 0;
+      opacity: 0.5;
+      margin: auto;
+      background: rgb(2, 0, 36);
+      background: -webkit-gradient(
+        linear,
+        left top,
+        right top,
+        from(rgba(2, 0, 36, 1)),
+        color-stop(35%, rgba(9, 9, 121, 1)),
+        to(rgba(0, 212, 255, 1))
+      );
+      background: -o-linear-gradient(
+        left,
+        rgba(2, 0, 36, 1) 0%,
+        rgba(9, 9, 121, 1) 35%,
+        rgba(0, 212, 255, 1) 100%
+      );
+      background: linear-gradient(
+        90deg,
+        rgba(2, 0, 36, 1) 0%,
+        rgba(9, 9, 121, 1) 35%,
+        rgba(0, 212, 255, 1) 100%
+      );
+    }
+
+    .shape2 {
+      height: 400px;
+      width: 400px;
+      background: rgb(66, 1, 144);
+      background: -webkit-gradient(
+        linear,
+        left top,
+        right top,
+        from(rgba(66, 1, 144, 1)),
+        color-stop(35%, rgba(61, 9, 121, 1)),
+        to(rgba(255, 0, 232, 1))
+      );
+      background: -o-linear-gradient(
+        left,
+        rgba(66, 1, 144, 1) 0%,
+        rgba(61, 9, 121, 1) 35%,
+        rgba(255, 0, 232, 1) 100%
+      );
+      background: linear-gradient(
+        90deg,
+        rgba(66, 1, 144, 1) 0%,
+        rgba(61, 9, 121, 1) 35%,
+        rgba(255, 0, 232, 1) 100%
+      );
+      -webkit-animation: shape2 10s ease 0s infinite alternate;
+      animation: shape2 10s ease 0s infinite alternate;
+      -webkit-transform: rotate(45deg);
+      -ms-transform: rotate(45deg);
+      transform: rotate(45deg);
+      border-radius: 79% 21% 70% 30% / 30% 30% 70% 70%;
+    }
+
+    .shape3 {
+      height: 200px;
+      width: 200px;
+      background: rgb(250, 255, 54);
+      background: -webkit-gradient(
+        linear,
+        left top,
+        right top,
+        from(rgba(250, 255, 54, 1)),
+        color-stop(35%, rgba(111, 193, 3, 1)),
+        to(rgba(86, 255, 193, 1))
+      );
+      background: -o-linear-gradient(
+        left,
+        rgba(250, 255, 54, 1) 0%,
+        rgba(111, 193, 3, 1) 35%,
+        rgba(86, 255, 193, 1) 100%
+      );
+      background: linear-gradient(
+        90deg,
+        rgba(250, 255, 54, 1) 0%,
+        rgba(111, 193, 3, 1) 35%,
+        rgba(86, 255, 193, 1) 100%
+      );
+      -webkit-animation: shape3 10s ease 0s infinite alternate;
+      animation: shape3 10s ease 0s infinite alternate;
+      border-radius: 5% 95% 18% 82% / 82% 86% 14% 18%;
+    }
+
+    @-webkit-keyframes shape1 {
+      0% {
+        left: 20px;
+        top: -20%;
+      }
+      50% {
+        left: 0;
+        top: 0;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+      }
+      100% {
+        left: 20px;
+        top: -20%;
+      }
+    }
+
+    @keyframes shape1 {
+      0% {
+        left: 20px;
+        top: -20%;
+      }
+      50% {
+        left: 0;
+        top: 0;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+      }
+      100% {
+        left: 20px;
+        top: -20%;
+      }
+    }
+
+    @-webkit-keyframes shape2 {
+      0% {
+        left: 0;
+        top: -20%;
+        width: 300px;
+        height: 300px;
+      }
+      50% {
+        left: 200px;
+        top: 100px;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+        width: 400px;
+        height: 400px;
+      }
+      100% {
+        left: 0;
+        top: -20%;
+        width: 300px;
+        height: 300px;
+      }
+    }
+
+    @keyframes shape2 {
+      0% {
+        left: 0;
+        top: -20%;
+        width: 300px;
+        height: 300px;
+      }
+      50% {
+        left: 200px;
+        top: 100px;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+        width: 400px;
+        height: 400px;
+      }
+      100% {
+        left: 0;
+        top: -20%;
+        width: 300px;
+        height: 300px;
+      }
+    }
+
+    @keyframes shape3 {
+      0% {
+        right: 0;
+        bottom: -20%;
+      }
+      50% {
+        right: 50px;
+        bottom: 150px;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+      }
+      100% {
+        right: 0;
+        bottom: -20%;
+      }
+    }
+
+    @-webkit-keyframes shape3 {
+      0% {
+        right: 0;
+        bottom: -20%;
+      }
+      50% {
+        right: 50px;
+        bottom: 150px;
+        border-radius: 21% 79% 18% 82% / 82% 30% 70% 18%;
+      }
+      100% {
+        right: 0;
+        bottom: -20%;
+      }
+    }
+  }
+
+  .box {
+    position: absolute;
+    inset: 0;
+    width: 90%;
+    max-width: 500px;
+    height: 50vh;
+    border-radius: 16px;
+    background-color: hsla(0, 0%, 100%, 0.226);
+    backdrop-filter: blur(10px);
+    margin: auto;
+    @include displayFlex(row, center, center);
+    -webkit-box-shadow: inset 0px 0px 12px 0px rgba(255, 255, 255, 0.28);
+    -moz-box-shadow: inset 0px 0px 12px 0px rgba(255, 255, 255, 0.28);
+    box-shadow: inset 0px 0px 12px 0px rgba(255, 255, 255, 0.28);
+  }
 }

src/app/page.tsx

@@ -1,6 +1,25 @@
 import Image from "next/image";
 import styles from "./page.module.scss";
+import { Typography } from "@mui/material";
 
 export default function Home() {
-  return <main className={styles.main}>Demo page</main>;
+  return (
+    <main className={styles.main}>
+      <div className={styles.animated_background_wrap}>
+        <div className={`${styles.shape} ${styles.shape1}`}></div>
+        <div className={`${styles.shape} ${styles.shape2}`}></div>
+        <div className={`${styles.shape} ${styles.shape3}`}></div>
+      </div>
+      <div className={styles.box}>
+        <Typography
+          variant="h2"
+          sx={{ lineHeight: 1 }}
+          color="var(--primary_light)"
+          fontWeight={"bold"}
+        >
+          WElCOME
+        </Typography>
+      </div>
+    </main>
+  );
 }