html {
    font-size: calc(10000vw / 1920);
  }
  @media (min-aspect-ratio: 1440/1080) {
    html {
      font-size: calc(10000vh / 1080);
    }
  }
  
  :root {
    --main-font: "Work Sans", sans-serif;
    --color-black: #000000;
    --color-black-light: #181b1a;
    --color-light-purity: #E0D8EB;
    --color-fat-tuesday: #341F37;
    --color-bashful-pancy: #D8CEE6;
    --color-sugar-crystal: #F9F5FF;
    --color-white: #ffffff;
  }
  
  * {
    box-sizing: border-box;
  }
  
  html, body {
    width: 100%;
    background: var(--color-fat-tuesday);
    margin: 0;
  }
  
  body,
  main {
    overflow-x: hidden;
  }
  
  body {
    width: 100%;
    height: 100%;
    background: var(--color-light-purity);
    font-family: var(--main-font);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
  }
  body::before {
    content: "";
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-light-purity);
    background-image: url("https://cdn.zajno.com/dev/codepen/cicada/texture.png");
    background-repeat: repeat;
    mix-blend-mode: soft-light;
  }
  body::after {
    content: "";
    position: fixed;
    bottom: -3.76rem;
    left: 50%;
    width: 22.42rem;
    height: 8.86rem;
    background: var(--color-sugar-crystal);
    filter: blur(2.5rem);
    transform: translateX(-50%);
    z-index: 0;
  }
  body.mobile-menu-open {
    overflow: hidden;
  }
  body.modal-active {
    overflow: hidden;
  }
  
  main {
    position: relative;
    width: 100%;
    height: 10000px;
    flex: 1 0 auto;
  }
  
  .header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: auto;
    z-index: 100;
  }
  .header-wrapp {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.3rem 0.4rem;
  }
  .header-left {
    display: flex;
    align-items: center;
    gap: 1.37rem;
  }
  .header-main {
    display: flex;
    align-items: center;
    gap: 0.16rem;
  }
  .header-logo {
    width: 1.34rem;
    height: max-content;
  }
  .header-logo img {
    display: block;
    width: 100%;
    height: auto;
  }
  .header-title {
    max-width: 0.89rem;
    font-size: 0.12rem;
    font-weight: 500;
    letter-spacing: -0.005rem;
    line-height: 1.2;
    margin-top: 0.04rem;
  }
  .header-search {
    display: flex;
    align-items: center;
    gap: 0.08rem;
  }
  .header-search__btn {
    width: 0.13rem;
  }
  .header-search__btn img {
    display: block;
    width: 100%;
    height: auto;
  }
  .header-search__input {
    background: transparent;
    border: none;
    font-family: var(--main-font);
    font-size: 0.16rem;
    font-weight: 500;
    letter-spacing: -0.0065rem;
  }
  .header-search__input::placeholder {
    color: var(--color-fat-tuesday);
  }
  .header-right {
    display: flex;
    align-items: center;
    gap: 0.78rem;
  }
  .header-contact {
    position: relative;
    font-family: var(--main-font);
    font-size: 0.16rem;
    font-weight: 500;
    letter-spacing: -0.0065rem;
    background: none;
    color: var(--color-fat-tuesday);
    border: none;
    padding: 0;
  }
  .header-contact::before {
    content: "";
    position: absolute;
    bottom: -0.04rem;
    left: 0;
    width: 100%;
    height: 1px;
    background: currentColor;
  }
  .header-menu {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 0.35rem;
    height: 0.35rem;
    aspect-ratio: 1/1;
    background: var(--color-fat-tuesday);
    border-radius: 50%;
    border: 1px solid var(--color-fat-tuesday);
  }
  .header-menu img {
    width: 0.1465rem;
  }
  
  .footer {
    width: 100%;
    flex: 0 0 auto;
  }
  
  a {
    text-decoration: none;
    outline: none;
  }
  
  img {
    max-width: 100%;
    height: auto;
  }
  
  .fluid-container {
    width: 100%;
    position: relative;
  }
  
  .container {
    position: relative;
    width: var(--container-width);
    min-width: var(--container-width);
    margin: 0 auto;
  }
  
  .row {
    display: flex;
    flex-direction: row;
  }
  
  .row-reverse {
    display: flex;
    flex-direction: row-reverse;
  }
  
  .column {
    display: flex;
    flex-direction: column;
  }
  
  .column-reverse {
    display: flex;
    flex-direction: column-reverse;
  }
  
  .s-visible,
  .xs-visible,
  .xxs-visible {
    display: none;
  }
  
  .lazy {
    opacity: 0;
    transition: opacity 0.4s ease;
  }
  .lazyLoaded {
    opacity: 1;
  }
  
  input::-webkit-input-placeholder, input::placeholder {
    transition: all 0.3s;
  }
  input:focus::-webkit-input-placeholder, input:focus::placeholder {
    color: transparent;
  }
  
  button[type=submit] {
    cursor: pointer;
  }
  
  @media only screen and (max-width: 1024px) {
    .s-hidden {
      display: none;
    }
  
    .s-visible {
      display: block;
    }
  }
  @media only screen and (max-width: 850px) {
    .xs-hidden {
      display: none;
    }
  
    .xs-visible {
      display: block;
    }
  }
  @media only screen and (max-width: 690px) {
    body.modal-active {
      position: fixed;
    }
  
    .xxs-visible {
      display: block;
    }
  
    .xxs-hidden {
      display: none;
    }
  }
  #main {
    padding: 0.1rem;
  }
  
  .banner {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    max-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.4rem;
    overflow: hidden;
    z-index: 1;
  }
  .banner-slide {
    z-index: 2;
  }
  .banner-title {
    position: absolute;
    top: 1.95rem;
    max-width: 9.57rem;
    font-size: 1rem;
    line-height: 1.1;
    letter-spacing: -0.07rem;
    text-align: center;
    z-index: 3;
  }
  .banner-title span {
    position: relative;
    display: inline-block;
  }
  .banner-title span::before {
    content: "";
    position: absolute;
    bottom: -0.04rem;
    left: 0;
    width: 100%;
    border-bottom: 4px solid currentColor;
    transform: rotate(-3deg);
  }
  .banner-subtitle {
    position: absolute;
    top: 2.8rem;
    font-size: 1rem;
    line-height: 1.1;
    letter-spacing: -0.07rem;
    text-align: center;
    opacity: 0;
    z-index: 1;
  }
  .banner-text {
    position: absolute;
    top: 1.89rem;
    max-width: 6.87rem;
    font-size: 0.42rem;
    line-height: 1.1;
    letter-spacing: -0.0295rem;
    opacity: 0;
    z-index: 1;
  }
  .banner-tree {
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 19rem;
    height: auto;
    transform: translateX(-50%);
    transform-origin: bottom;
    z-index: 2;
  }
  .banner-tree img, .banner-tree video {
    display: block;
    width: 100%;
  }
  
  .wings {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    max-height: 100vh;
    overflow: hidden;
  }
  .wings-svg {
    position: absolute;
    left: 50%;
    bottom: 0.95rem;
    width: 95vw;
    height: auto;
    transform: translateX(-50%);
    z-index: 3;
  }
  .wings-svg svg {
    width: 100%;
    height: auto;
  }
  .wings-hidden {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: auto;
  }
  
  .tree {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    max-width: 100vw;
    height: 100%;
    max-height: 100vh;
    overflow: hidden;
    z-index: 1;
  }
  .tree-name {
    position: absolute;
    top: 0.92rem;
    left: 50%;
    font-size: 0.51rem;
    letter-spacing: -0.0357rem;
    opacity: 0;
    transform: translateX(-50%);
  }
  .tree-wrapp {
    position: absolute;
    top: 3.32rem;
    left: 50%;
    display: block;
    width: 9.5rem;
    transform: translateX(-50%);
    z-index: 1;
  }
  .tree-svg {
    display: none;
    width: 100%;
    height: auto;
  }
  .tree-circle {
    position: absolute;
    top: 1rem;
    left: 50%;
    width: 8.62rem;
    height: auto;
    aspect-ratio: 1/1;
    box-shadow: 0 0 0 1px var(--color-fat-tuesday);
    border-radius: 50%;
    transform: translateX(-50%) scale(0);
  }
  .tree-circle__small {
    box-shadow: 0 0 0 3px var(--color-fat-tuesday);
  }
  .tree-title {
    position: absolute;
    max-width: 2rem;
    font-size: 0.2rem;
    font-weight: 400;
    letter-spacing: -0.009rem;
    padding: 0.18rem;
    cursor: pointer;
    z-index: 2;
  }
  .tree-title span {
    opacity: 0;
    transform: translateY(100%);
  }
  .tree-title_top {
    top: -0.25rem;
    left: 50%;
    transform: translate(-50%, -100%);
    transform-origin: bottom center;
  }
  .tree-title_left-top {
    top: 0.57rem;
    right: 6.11rem;
    transform: translate(-100%, -50%);
    transform-origin: bottom right;
  }
  .tree-title_left {
    top: 2.13rem;
    left: -0.1rem;
    transform: translate(-100%, 0%);
    transform-origin: bottom right;
  }
  .tree-title_right-top {
    top: 0.57rem;
    left: 5.69rem;
    transform: translate(100%, -50%);
    transform-origin: bottom left;
  }
  .tree-title_right {
    top: 2.13rem;
    right: -0.1rem;
    transform: translate(100%, 0%);
    transform-origin: bottom left;
  }
  .tree-title__decor {
    position: absolute;
    top: 50%;
    width: 0.08rem;
    height: auto;
    transform: translateY(-50%);
    opacity: 0;
  }
  .tree-title__decor.left {
    left: 0.06rem;
  }
  .tree-title__decor.right {
    right: 0.06rem;
  }
  .tree-ball {
    position: absolute;
    width: 0.14rem;
    height: 0.14rem;
    cursor: pointer;
    aspect-ratio: 1/1;
    opacity: 0;
    z-index: 2;
  }
  .tree-ball_top {
    top: 0;
    left: 50%;
    transform: translate(-50%, -100%);
  }
  .tree-ball_left-top {
    top: 0.6rem;
    right: 7.39rem;
    transform: translate(0%, -50%);
  }
  .tree-ball_left {
    top: 2.5rem;
    left: 0;
    transform: translate(-50%, -100%);
  }
  .tree-ball_right-top {
    top: 0.6rem;
    left: 7.39rem;
    transform: translate(0%, -50%);
  }
  .tree-ball_right {
    top: 2.5rem;
    right: 0;
    transform: translate(50%, -100%);
  }
  .tree-ball span {
    position: absolute;
    top: 0;
    left: 0;
    display: block;
    width: 100%;
    aspect-ratio: 1/1;
    background: var(--color-fat-tuesday);
    border-radius: 50%;
    pointer-events: none;
  }
  .tree-ball span:not(:first-child) {
    opacity: 0;
  }
  .tree-wings {
    position: absolute;
    bottom: -1.22rem;
    left: 50%;
    width: 15.15rem;
    height: 5.04rem;
    max-height: 100vh;
    transform: translateX(-50%);
    opacity: 0;
    z-index: 1;
  }
  .tree-wings__item {
    position: absolute;
  }
  .tree-wings__item img {
    width: 100%;
    height: auto;
  }
  .tree-wings__center {
    position: absolute;
    top: 1.28rem;
    left: 50%;
    width: 1.34rem;
    transform: translateX(-50%);
  }
  .tree-wings__top-left {
    position: absolute;
    top: 0;
    left: 0;
    width: 7.05rem;
    transform-origin: center right;
  }
  .tree-wings__top-right {
    position: absolute;
    top: 0;
    right: 0;
    width: 7.05rem;
    transform-origin: center left;
  }
  .tree-wings__bottom-left {
    position: absolute;
    top: 2.586rem;
    left: 3.496rem;
    width: 3.9rem;
    transform-origin: top right;
  }
  .tree-wings__bottom-right {
    position: absolute;
    top: 2.586rem;
    right: 3.496rem;
    width: 3.9rem;
    transform-origin: top left;
  }
  
  .sound {
    position: fixed;
    bottom: 0.63rem;
    right: 0.75rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.045rem;
    width: 0.44rem;
    aspect-ratio: 1/1;
    background: var(--color-bashful-pancy);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    overflow: hidden;
    z-index: 100;
  }
  .sound-item {
    width: 0.03rem;
    height: 0.1rem;
    border-radius: 0.03rem;
    background: var(--color-fat-tuesday);
  }
  .sound-item:nth-child(odd) {
    height: 0.15rem;
  }