/* ================================================================================= */
/* mv */
/* ================================================================================= */
.mv {
  background-image: url(../../img/maintenance/mv.jpg);
}

/* ================================================================================= */
/* business_3(part1) */
/* ================================================================================= */
section.business_3 {
  background-color: #f7f6f6;
}

section.business_3 {
  padding-top: 90px;
  padding-bottom: 7.32vw;
}
@media screen and (min-width: 1366px) {
  section.business_3 {
    padding-bottom: 100px;
  }
}

section.business_3 .top .text__area p.sub__title {
  line-height: 1.5;
}

section.business_3 .top .img__box {
  background-image: url(../../img/maintenance/sec2__bg.jpg);
}

section.business_3 .part__section .common__title {
  margin-top: 80px;
}

section.business_3 .part__section .title__box {
  margin-top: 40px;
}

section.business_3 .part__section .title__box h3.title {
  line-height: 1.5;
  letter-spacing: 0;
}

section.business_3 .part__section .text__wrap {
  margin-top: 20px;
}

section.business_3 .part__section .text__wrap p.text {
  line-height: 2;
  letter-spacing: 0;
}

section.business_3 .part__section.part1 .container {
  margin-top: 40px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  position: relative;
}

section.business_3 .container::after {
  content: "";
  width: 24%;
  height: 0;
  display: block;
}

section.business_3 .container::before {
  content: "";
  width: 24%;
  height: 0;
  display: block;
  order: 1;
}

section.business_3 .container .item {
  margin-top: 40px;
  width: 24%;
}

section.business_3 .container .item .item__img {
  width: 100%;
  height: auto;
}

section.business_3 .container .item .item__img img {
  width: 100%;
  height: auto;
}

section.business_3 .container .item .item__text {
  margin-top: 10px;
  line-height: 1.5;
  letter-spacing: 0;
  font-size: calc(12px + 3 * (100vw - 320px) / 1046);
}
@media screen and (max-width: 1366px) {
  section.business_3 .container .item .item__text {
    font-size: 15px;
  }
}

/* ================================================================================= */
/* business_3(part2) */
/* ================================================================================= */
section.business_3 .part__section.part2 .text__wrap {
  margin-top: 40px;
}

section.business_3 .part2 .container {
  margin-top: 30px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  position: relative;
}

section.business_3 .part2 .container li.item {
  width: 24%;
  margin-top: 10px;
}

section.business_3 .part2 .container li.item .item__img {
  width: 100%;
  height: auto;
}

section.business_3 .part2 .container li.item .item__img img {
  width: 100%;
  height: auto;
}

section.business_3 .part2 .container::before {
  content: "";
  width: 24%;
  height: 0;
  display: block;
}

section.business_3 .part2 .container::after {
  content: "";
  width: 24%;
  height: 0;
  display: block;
  order: 1;
}

section.business_3 .part2 a.more_btn {
  margin: unset;
  margin-right: auto;
  margin-top: 70px;
}

/* ================================================================================= */
/* sec3 */
/* ================================================================================= */
section.sec3 {
  padding-bottom: 60px;
  background-color: #f7f6f6;
}

section.sec3 .container {
  padding: 6.58vw 5.85vw;
  background-color: #ffffff;
  margin-top: 60px;
}
@media screen and (min-width: 1366px) {
  section.sec3 .container {
    padding: 90px 80px;
  }
}

section.sec3 .container .item:not(:first-child) {
  margin-top: 60px;
}

section.sec3 .container .item .item__head {
  background-color: #e95544;
  padding: 6px;
}

section.sec3 .container .item .item__head h3.title {
  line-height: 1.7;
  letter-spacing: 0.1em;
  text-align: center;
}

section.sec3 .container .item .item__title {
  margin-top: 40px;
  line-height: 1.33;
  letter-spacing: 0;
  text-align: center;
}

section.sec3 .container .item .item__text {
  margin-top: 35px;
  line-height: 2;
  letter-spacing: 0;
}

section.sec3 .container .item .item__img {
  width: 57vw;
  max-width: 780px;
  height: auto;
  margin: auto;
  margin-top: 50px;
}

section.sec3 .container .item .item__img img {
  width: 100%;
  height: auto;
  max-width: 100%;
}

section.sec3 .container .item .contents {
  display: flex;
  justify-content: space-between;
  margin-top: 40px;
}

section.sec3 .container .item .contents .left {
  width: 48%;
}

section.sec3 .container .item .contents .left h5.item__title {
  margin-top: unset;
  text-align: left;
}

section.sec3 .container .item .contents .right {
  width: 43%;
  height: auto;
}

section.sec3 .container .item .contents .right img {
  width: 100%;
  height: auto;
}

/* ================================================================================= */
/* business_3 */
/* ================================================================================= */
@media screen and (max-width: 768px) {
  section.business_3 {
    padding-top: 60px;
    padding-bottom: 80px;
  }
}

@media screen and (max-width: 480px) {
  section.business_3 {
    padding-top: 40px;
  }
}

/* ================================================================================= */
/* responsive(business_3 - part__section) */
/* ================================================================================= */
@media screen and (max-width: 480px) {
  section.business_3 .part__section .common__title {
    margin-top: 60px;
  }
}

/* ================================================================================= */
/* responsive(business_3 - part1) */
/* ================================================================================= */
@media screen and (max-width: 1024px) {
  section.business_3 .part__section.part1 .container {
    margin-top: unset;
  }

  section.business_3 .container .item {
    width: 32%;
  }

  section.business_3 .container::before {
    width: 32%;
  }

  section.business_3 .container::before {
    width: 32%;
  }
}

@media screen and (max-width: 768px) {
  section.business_3 .container .item {
    width: 48%;
  }

  section.business_3 .container .item::before {
    width: 48%;
  }

  section.business_3 .container .item::after {
    width: 48%;
  }
}

@media screen and (max-width: 480px) {
  section.business_3 .part__section.part1 .container {
    margin-top: 20px;
  }

  section.business_3 .container .item {
    width: 100%;
    margin: auto;
    margin-top: 30px;
  }

  section.business_3 .container .item .item__text {
    text-align: center;
  }
}

/* ================================================================================= */
/* responsive(business_3 - part2) */
/* ================================================================================= */
@media screen and (max-width: 1024px) {
  section.business_3 .part2 .container li.item {
    width: 32%;
  }

  section.business_3 .part2 .container li.item::before {
    width: 32%;
  }

  section.business_3 .part2 .container li.item::after {
    width: 32%;
  }
}

@media screen and (max-width: 480px) {
  section.business_3 .part2 .container li.item {
    width: 48%;
  }

  section.business_3 .part2 a.more_btn {
    margin: auto;
    margin-top: 50px;
  }
}
/* ================================================================================= */
/* responsive(sec3) */
/* ================================================================================= */
@media screen and (max-width: 1024px) {
  section.sec3 .container .item .item__title {
    text-align: left;
  }
}

@media screen and (max-width: 768px) {
  section.sec3 {
    padding-bottom: 30px;
  }

  section.sec3 .container .item .contents {
    flex-direction: column;
  }

  section.sec3 .container .item .contents .left {
    width: 100%;
  }

  section.sec3 .container .item .contents .left .item__text {
    margin-top: 15px;
  }

  section.sec3 .container .item .contents .right {
    width: 65%;
    margin: auto;
    margin-top: 40px;
  }
}

@media screen and (max-width: 480px) {
  section.sec3 .container .item .contents .right {
    width: 100%;
    margin-top: 20px;
  }
}