@charset "utf-8";

body,
html {
  overflow-x: hidden;
}

body {
  background-color: #fff;
  background-color: #000;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
@keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
@-webkit-keyframes fadeIn {
  0% {
    opacity: 0;
  }
  100% {
    opacity: 1;
  }
}
img {
  vertical-align: bottom;
  height: auto;
}
a img {
  -webkit-transition: 0.8s;
  -moz-transition: 0.8s;
  -o-transition: 0.8s;
  -ms-transition: 0.8s;
  transition: 0.8s;
}
a img:hover {
  opacity: 0.6;
  filter: alpha(opacity=60);
  -moz-opacity: 0.6;
}

#content_wrapper {
  width: 100%;
  max-width: 750px;
  margin: 0 auto;
  z-index: 10;
}
#content_wrapper img {
  width: 100%;
  height: auto;
}

/*FV*/
#fv {
  position: relative;
  width: 100%;
}
#fv .fv_btn {
  position: absolute;
  bottom: 3.5%;
  left: 7%;
  width: 86%;
}
#fv .fv_btn:hover {
  opacity: 0.7;
}

/*message*/
#message {
  position: relative;
  width: 100%;
}

/*set*/
#set {
  position: relative;
  width: 100%;
}

/*cta*/
#cta {
  position: relative;
  width: 100%;
}
#cta .cta_btn {
  position: absolute;
  bottom: 6%;
  left: 7%;
  width: 86%;
}
#fv .fv_btn:hover {
  opacity: 0.6;
}

/* 背景の雪コンテナ */
.snow-bg {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

/* 雪の粒 */
.snowflake {
  position: absolute;
  top: -10vh; /* 画面の上から降ってくる起点 */
  width: 24px;
  height: 24px;

  background-image: url("/christmas2025/img/snow.png");
  background-repeat: no-repeat;
  background-size: contain;

  opacity: 0.7;
  animation-name: snowFall;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

/* 上から下へ落ちるアニメーション */
@keyframes snowFall {
  0% {
    transform: translate3d(0, -10vh, 0);
  }
  50% {
    transform: translate3d(10px, 50vh, 0); /* ちょっと横に揺れる */
  }
  100% {
    transform: translate3d(-10px, 110vh, 0);
  }
}