.mv-background {
  background: url("../img/product-mv_v2.png");
  width: 100%;
  height: 100vh;
  max-height: 470px;
  background-position: center;
  background-size: 100%;
}

@media screen and (max-width: 680px){
  .mv-background{
    background: url("../img/product-mv_v2.png") no-repeat center center;
    background-size: cover;
  }
}
.section-car-btn{
  display: block;
}
.container {
  display: flex;
  align-items: center;
  padding: 80px 25px 0px;
  justify-content: center;
}
.left-image {
  max-width: 500px;
}
.left-image img {
  width: 100%;
  height: auto;
}
.part-item {
  display: flex;
  align-items: center;
  background-color: var(--white-color);
  padding-bottom: 13px;
  width: 265px;
  border-radius: 8px;
  box-shadow: 0 0 5px rgba(0, 0, 0, 0.05);
}
.part-item:hover,.btn-top img:hover {
  transform: scale(1.05);
} 
.part-item:last-child{
  padding-bottom: 0;
}
.part-icon {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  object-fit: cover;
}
.right-parts_sp{
  display: none;
}
@media screen and (max-width: 780px){
  .container {
    display: none;
  }
  .right-parts_sp{
  display: block;

}
  .container_sp{
    margin-top: 80px;
  }
  .section-car-btn_sp{
    height: 100%;

  }
  .container-sp_img{
     background: url(../img/car-btn_imgsp.png);
            width: 329px;
    height: 100%;
        margin: 0 auto;
        object-fit: cover;
    background-repeat: no-repeat;
  }
  .part-item,.right-parts_sp{
 width: 270px;
    margin: 0 auto
   
  }
  .right-parts_sp{
    padding-top: 258px;
  }
  .part-item{
    padding-bottom: 20px;
  }
}

.btn-buttom {
  width: 100%;
  max-width: 1000px;
  margin: 0 auto;
  padding: 50px 25px 0px 25px;
}
.product-button_title {
  font-size: 4rem;
  padding-bottom: 10px;
  text-align: left;
}
.line {
  display: block;
  width: 150px;
  height: 2px;
  background-color: var(--main-color);
  margin-bottom: 27px;
}
.product-button ul {
  width: 100%;
  max-width: 1000px;
  display: flex;
  
  padding: 0;
  flex-wrap: wrap;
  justify-content: space-between;
}
.product-button ul li {
  list-style: none;
  width: 280px;
}

@media screen and (max-width:945px){
  .product-button ul {
 
    justify-content: space-around;
    gap:20px;
  }
}
@media screen and (max-width: 780px){
  .product-button ul {
    padding-top: 40px;
  }
  .product-button ul li {
    width: 270px;
  }
  .product-button_title{
    text-align: center;
    font-size: 2.8rem;
    padding-bottom: 4px;
  }
  .line{
    margin:  0 auto;
  }
}

.section-auto_parts h3 {
  font-family: 'Noto Sans JP', "sans-serif";
  padding-bottom: 0px;
  color: var(--main-color);
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
  font-size: 4rem;
  max-width: 1000px;
  margin: 0 auto;
  text-align: left;
  padding-top: 80px;
}
.section-auto_parts {
  width: 100%;
  margin: 0 auto;
  padding: 0px 25px 150px;
}
.auto-parts-list {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 1000px;
  width: 100%;
  box-sizing: border-box;
}
.auto-parts-list li {
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--mid-gray-color);
  padding: 30px 0;
  box-sizing: border-box;
  gap: 20px;
}
.text-block {
  width: 280px;
  flex-shrink: 0;
  box-sizing: border-box;
}
.text-block h4 {
  font-family: 'Noto Sans JP', "sans-serif";
  color: var(--main-color);
  font-size: 1.8rem;
  font-weight: 900;
}
.image-block {
  display: flex;
  flex-wrap: wrap; /* ← 折り返しOKにする */
  gap: 5px;
}
.image-block img {
  width: 208px;
  height: auto;
}

@media screen and (max-width: 980px) {
	/* 980px以下に適用されるCSS（タブレット用） */
.section-auto_parts h3  {
  font-size: 2.8rem;
}
   .text-block h4{
    padding-bottom: 5px;
  }
}
@media screen and (max-width: 680px) {
	/* 980px以下に適用されるCSS（タブレット用） */
.section-auto_parts h3 {
  font-size: 2.2rem;
}
  .text-block h4{
    padding-bottom: 5px;
  }
}

@media screen and (max-width:800px){
  .auto-parts-list li {
    display: block;
  }
  .text-block {
    width: 100%;
  }
  .image-block {
    padding-top: 30px;
    display: flex;
    gap: 20px;
    justify-content: space-around;
    margin:  0 auto;
  }
}