@charset "utf-8";

/*--------------------------------------------------------------------------------------------------

   rain
https://1-notes.com/css-rain-animation/

<div class="rains_container">
  <img src="https://1-notes.com/images/ishidatami.jpg" border="0" />
  <div class="rains">
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
  </div>
  <div class="splat">
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
    <span></span><span></span><span></span><span></span><span></span>
  </div>
</div>
--------------------------------------------------------------------------------------------------*/
.rains_container{
  display:flex;
  justify-content: center;
  align-items: center;
  position:relative;
  width: 100%;
  /*height:200px;*/
  /*background:#0c0c33;*/
  overflow: hidden;
}

/*
.rains_container p{
  padding:20px;
  margin:0;
  font-size:40px;
  font-weight: bold;
  color:#FFF;
}
*/

.rains_container img{
  width: 100%;
  filter: brightness(0.7);
}

.rains_container h2 {
  position: absolute;
  left: 10px;
  top: 10px;
  font-size: 32px;
  font-weight: bold;
  color: #FFF;
}

.rains{
  position: absolute;
  left:0;
  top:0;
  width: 100%;
  height:100%;
}

/*widthは雨の太さ、heightは長さ*/
.rains span{
  position: absolute;
  width:1px;
  height:180px;
  background:#FFF;
  opacity:0.4;
}



 /*雨の初期位置とアニメーション指定、leftはx座標での基準位置、topは開始位置、アニメーション時間は揺らぎ*/
.rains span:nth-child(1){left:5%; top:-190px; animation: rain-anim 10s infinite;}
.rains span:nth-child(2){left:10%; top:-180px; animation: rain-anim 11s infinite;}
.rains span:nth-child(3){left:15%; top:-170px; animation: rain-anim 8s infinite;}
.rains span:nth-child(4){left:20%; top:-160px; animation: rain-anim 12s infinite;}
.rains span:nth-child(5){left:25%; top:-150px; animation: rain-anim 10s infinite;}

.rains span:nth-child(6){left:30%; top:-150px; animation: rain-anim 11s infinite;}
.rains span:nth-child(7){left:35%; top:-160px; animation: rain-anim 13s infinite;}
.rains span:nth-child(8){left:40%; top:-170px; animation: rain-anim 7s infinite;}
.rains span:nth-child(9){left:45%; top:-180px; animation: rain-anim 9s infinite;}
.rains span:nth-child(10){left:50%; top:-190px; animation: rain-anim 11s infinite;}

.rains span:nth-child(11){left:55%; top:-190px; animation: rain-anim 10s infinite;}
.rains span:nth-child(12){left:60%; top:-180px; animation: rain-anim 6s infinite;}
.rains span:nth-child(13){left:65%; top:-170px; animation: rain-anim 14s infinite;}
.rains span:nth-child(14){left:70%; top:-160px; animation: rain-anim 12s infinite;}
.rains span:nth-child(15){left:75%; top:-150px; animation: rain-anim 10s infinite;}

.rains span:nth-child(16){left:80%; top:-150px; animation: rain-anim 14s infinite;}
.rains span:nth-child(17){left:85%; top:-160px; animation: rain-anim 8s infinite;}
.rains span:nth-child(18){left:90%; top:-170px; animation: rain-anim 9s infinite;}
.rains span:nth-child(19){left:95%; top:-180px; animation: rain-anim 11s infinite;}
.rains span:nth-child(20){left:100%; top:-190px; animation: rain-anim9 13s infinite;}

/*アニメーションキーフレーム
一度落下したら次はキーフレーム1%の間に高さを戻して左右にずらして降らす*/
@keyframes rain-anim {
  0% { transform: translate(0px,0px);}
  4% { transform: translate(0px,600px);}
 
  5% { transform: translate(200px,0px);}
  9% { transform: translate(200px,600px);}
  
  10% { transform: translate(-100px,0px);}
  14% { transform: translate(-100px,600px);}
  
  15% { transform: translate(-200px,0px);}
  19% { transform: translate(-200px,600px);}
  
  20% { transform: translate(100px,0px);}
  24% { transform: translate(100px,600px);}
  
  25% { transform: translate(-150px,0px);}
  29% { transform: translate(-150px,600px);}
  
  30% { transform: translate(-80px,0px);}
  34% { transform: translate(-80px,600px);}
  
  35% { transform: translate(150px,0px);}
  39% { transform: translate(150px,600px);}
  
  40% { transform: translate(-60px,0px);}
  44% { transform: translate(-60px,600px);}
  
  45% { transform: translate(90px,0px);}
  49% { transform: translate(90px,600px);}
  
  50% { transform: translate(60px,0px);}
  54% { transform: translate(60px,600px);}
  
  55% { transform: translate(-60px,0px);}
  59% { transform: translate(-60px,600px);}
  
  60% { transform: translate(-40px,0px);}
  64% { transform: translate(-40px,600px);}
  
  65% { transform: translate(40px,0px);}
  69% { transform: translate(40px,600px);}
  
  70% { transform: translate(-20px,0px);}
  74% { transform: translate(-20px,600px);}

  75% { transform: translate(-110px,0px);}
  79% { transform: translate(-110px,600px);}
  
  80% { transform: translate(20px,0px);}
  84% { transform: translate(20px,600px);}
  
  85% { transform: translate(-20px,0px);}
  89% { transform: translate(-20px,600px);}
  
  90% { transform: translate(50px,0px);}
  99% { transform: translate(50px,600px);}

  100% { transform: translate(0px,0px);}
}

/*splat*/
.splat{
  position: absolute;
  left:0;
  top:0;
  width: 100%;
  height:100%;
}

.splat span{
  position: absolute;
  width:100px;
  height:30px;
  background:#FFF;
  border-radius: 50%;
  opacity:0;
}

.splat span:nth-child(1){left: 0%; top:30%; animation: splat-anim 5.5s infinite;}
.splat span:nth-child(2){left:10%; top:90%; animation: splat-anim 7.2s infinite;}
.splat span:nth-child(3){left:15%; top:15%; animation: splat-anim 4.3s infinite;}
.splat span:nth-child(4){left:20%; top:20%; animation: splat-anim 5.7s infinite;}
.splat span:nth-child(5){left:25%; top:80%; animation: splat-anim 6.3s infinite;}
.splat span:nth-child(6){left:30%; top:35%; animation: splat-anim 8.5s infinite;}
.splat span:nth-child(7){left:35%; top:70%; animation: splat-anim 7.7s infinite;}
.splat span:nth-child(8){left:40%; top:10%; animation: splat-anim 4.8s infinite;}
.splat span:nth-child(9){left:45%; top:65%; animation: splat-anim 5.3s infinite;}
.splat span:nth-child(10){left:50%; top:55%; animation: splat-anim 3.5s infinite;}
.splat span:nth-child(11){left:55%; top:30%; animation: splat-anim 5.1s infinite;}
.splat span:nth-child(12){left:60%; top:75%; animation: splat-anim 7.1s infinite;}
.splat span:nth-child(13){left:65%; top:15%; animation: splat-anim 4.2s infinite;}
.splat span:nth-child(14){left:70%; top:60%; animation: splat-anim 5.0s infinite;}
.splat span:nth-child(15){left:75%; top:50%; animation: splat-anim 3.0s infinite;}
.splat span:nth-child(16){left:80%; top:10%; animation: splat-anim 6.4s infinite;}
.splat span:nth-child(17){left:85%; top:45%; animation: splat-anim 5.9s infinite;}
.splat span:nth-child(18){left:90%; top:55%; animation: splat-anim 7.0s infinite;}
.splat span:nth-child(19){left:95%; top:25%; animation: splat-anim 4.0s infinite;}
.splat span:nth-child(20){left:100%; top:85%; animation: splat-anim 8.2s infinite;}

@keyframes splat-anim {
  
  
  0% { opacity:0.0; transform: scale(0);}
  
  10% { opacity:0; transform: scale(0);}
  14% { opacity:0.3; transform: scale(0.4);}
  15% { opacity:0; transform: scale(0);}
  
  30% { opacity:0; transform: scale(0);}
  34% { opacity:0.2; transform: scale(0.8);}
  35% { opacity:0; transform: scale(0);}
  
  
  40% { opacity:0; transform: scale(0);}
  44% { opacity:0.2; transform: scale(0.2);}
  45% { opacity:0; transform: scale(0);}
  
  50% { opacity:0; transform: scale(0);}
  54% { opacity:0.2; transform: scale(0.5);}
  55% { opacity:0; transform: scale(0);}
  
  64% { opacity:0; transform: scale(0);}
  70% { opacity:0.1; transform: scale(1.0);}
  71% { opacity:0; transform: scale(0);}
  
  100% { opacity:0; transform: scale(0);}
  
}