.route p{
font-size:16px;
}

.route img{
      border-radius: 10px;
    }

.title3_1{
 font-size: 20px;
 font-weight: bold;
 position: relative;
 padding-left: 4.0em;
}
.title3_1::before{
 content: attr(data-no);
 position: absolute;
 left: 0;
 top: 0;
 margin-right: 5px;
 color: #4169E1;
}
/*=============
.bg_pattern
==============*/

.example {
    background-image: url('../images/wave.svg');
    background-size: cover; /* 画像を全体にフィット */
    background-position: center; /* 中央に配置 */
    background-repeat: no-repeat; /* 繰り返しを防止 */
}

/*=============
base
==============*/

html, body {
  margin: 0;
  padding: 0;
}
body {
  font-family: YuGothic, "游ゴシック体", "Yu Gothic", "ヒラギノ角ゴ Pro", "Hiragino Kaku Gothic Pro", "メイリオ", Meiryo, "ＭＳ Ｐゴシック", "MS PGothic", sans-serif;
  letter-spacing: .025em;
  line-height: 1.8;
}
* {
  box-sizing: border-box;
}
.section {
  max-width: 1024x;
  margin: 0 auto;
  padding: 100px 20px 1000px;
}
._a {
  max-width: 300px;
  margin: 0 auto;  
}
._a a {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100%;
  padding: 2.0em 1.0em;
  border: 1px solid #222222;
  background: linear-gradient(to right, #ffffff 50%, #222222 50%);
  background-size: 200% auto;
  color: #222222;
  font-size: 12px;
  text-decoration: none;
  text-align: center;
  transition: .3s;
  position: relative;
}
._a a:after {
  content: "";
  position: absolute;
  right: -5px;
  bottom: -5px;
  width: 100%;
  height: 100%;
  border-right: 1px solid #222222;
  border-bottom: 1px solid #222222;
}
._a a:hover {
  color: #ffffff;
  background-position: -100% 0;
}

.arrow {
  position: relative;
  display: inline-block;
  width: 4px;
  height: 100px;
  margin: 0 11.9px;
  border-radius: 9999px;
  background-color: #f9f9f9;
}

.arrow::before,
.arrow::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: calc(50% - 2px);
  width: 4px;
  height: 19px;
  border-radius: 9999px;
  background-color: #f9f9f9;
  transform-origin: 50% calc(100% - 2px);
}

.arrow::before {
  transform: rotate(52.5deg);
}

.arrow::after {
  transform: rotate(-52.5deg);
}