<div class="cp_cssslider02">
  <input type="radio" name="cp_switch" id="photo1" checked/>
  <label for="photo1"><img src="img1.jpg" /></label>
  <img src="img1.jpg" />
  <input type="radio" name="cp_switch" id="photo2"/>
  <label for="photo2"><img src="img2.jpg" /></label>
  <img src="img2.jpg" />
  <input type="radio" name="cp_switch" id="photo3"/>
  <label for="photo3"><img src="img3.jpg" /></label>
  <img src="img3.jpg" />
  <input type="radio" name="cp_switch" id="photo4"/>
  <label for="photo4"><img src="img4.jpg" /></label>
  <img src="img4.jpg" />
  <input type="radio" name="cp_switch" id="photo5"/>
  <label for="photo5"><img src="img5.jpg" /></label>
  <img src="img5.jpg" />
</div>

.cp_cssslider02 {
  width: 300px;
  padding-top: 200px; /* 画像の高さ */
  position: relative;
  margin: 2em auto;
  text-align: center;
}
.cp_cssslider02 > img {
  position: absolute;
  left: 0;
  top: 0;
  transition: all 0.5s;
  border-radius: 3px;
  box-shadow:0px 0px 5px 0px rgba(0,0,0,0.3);
}
.cp_cssslider02 input[name='cp_switch'] {
  display: none;
}
/* サムネイル */
.cp_cssslider02 label {
  margin: 15px 5px 0 5px;
  border: 2px solid #ffffff;
  display: inline-block;
  cursor: pointer;
  transition: all 0.5s ease;
  opacity: 0.6;
  border-radius: 3px;
  padding: 0;
}
.cp_cssslider02 label:hover {
  opacity: 0.9;
}
.cp_cssslider02 label img {
  display: block;
  width: 40px;
  border-radius: 2px;
}
.cp_cssslider02 input[name='cp_switch']:checked + label {
  border: 2px solid #FF7043;
  opacity: 1;
}
.cp_cssslider02 input[name='cp_switch'] ~ img {
  opacity: 0;
}
.cp_cssslider02 input[name='cp_switch']:checked + label + img {
  opacity: 1;
}