@media screen and (min-width: 769px) {
  .sp-only {
    display: none;
  }
}

@media screen and (max-width: 768px) {
  .pc-only {
    display: none;
  }
}

.p-problem {
  overflow: hidden;
}

.p-problem .inner {
  max-width: 1340px;
  width: auto;
  padding: 0 20px !important;
  -webkit-box-sizing: content-box;
          box-sizing: content-box;
}

@media screen and (max-width: 768px) {
  .p-problem .inner {
    padding: 0 30px !important;
  }
}

.p-problem1 {
  padding: 24px 0 37px;
}

@media screen and (max-width: 768px) {
  .p-problem1 {
    padding: 24px 0 47px;
  }
}

.p-problem1 .inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media screen and (max-width: 768px) {
  .p-problem1 .inner {
    margin: 0 -2px;
  }
}

.p-problem1__inner {
  width: 50.22388%;
}

@media screen and (max-width: 768px) {
  .p-problem1__inner {
    width: 100%;
  }
}

.p-problem1__img {
  width: 45.89552%;
}

@media screen and (max-width: 768px) {
  .p-problem1__img {
    width: 100%;
    margin: -20px 0 0;
  }
}

.p-problem1__img img {
  width: 100%;
}

.p-problem1__tit {
  font-size: 24px;
  position: relative;
  font-weight: bold;
  padding-bottom: 24px;
  letter-spacing: 0;
}

@media screen and (max-width: 768px) {
  .p-problem1__tit {
    font-size: 12px;
    padding-bottom: 11px;
  }
}

.p-problem1__tit::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 40px;
  height: 4px;
  background: #FECB00;
}

@media screen and (max-width: 768px) {
  .p-problem1__tit::before {
    width: 20px;
    height: 2px;
  }
}

.p-problem1__txt {
  font-size: 40px;
  line-height: 80px;
  letter-spacing: 8px;
  font-weight: bold;
  margin: 19px 0 0;
}

@media screen and (max-width: 768px) {
  .p-problem1__txt {
    font-size: 21px;
    line-height: 40px;
    letter-spacing: 0;
    margin: 10px 0 0;
  }
}

.p-problem2 {
  background: url(/solutions/problem/bg01.png) no-repeat center;
  background-size: cover;
  padding: 76px 0 72px;
}

@media screen and (max-width: 768px) {
  .p-problem2 {
    padding: 70px 0 76px;
    background-image: url(/solutions/problem/bg01_sp.jpg);
  }
}

.p-problem2__tit {
  text-align: center;
  font-weight: bold;
  font-size: 24px;
  line-height: 44px;
  letter-spacing: 2.4px;
}

@media screen and (max-width: 768px) {
  .p-problem2__tit {
    font-size: 21px;
    line-height: 36px;
    letter-spacing: 1.68px;
  }
}

.p-problem2__txt {
  margin: 29px 0 0;
  text-align: center;
  font-size: 18px;
  line-height: 40px;
  letter-spacing: 0.72px;
}

@media screen and (max-width: 768px) {
  .p-problem2__txt {
    font-size: 14px;
    line-height: 27px;
    letter-spacing: 0px;
    text-align: left;
    margin: 22px 0 0;
  }
}

.p-problem3 {
  background: #656464;
}

@media screen and (max-width: 768px) {
  .p-problem3 {
    display: none;
  }
}

.p-problem3__nav {
  border-left: 1px solid rgba(224, 224, 224, 0.2);
  max-width: 1022px;
  margin: 0 auto;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}

.p-problem3__nav__item {
  display: block;
  text-decoration: none !important;
  position: relative;
  width: 25%;
  border-right: 1px solid rgba(224, 224, 224, 0.2);
  text-align: center;
  color: #FFFFFF !important;
  font-weight: bold;
  padding: 26px 0 58px;
  z-index: 1;
  opacity: 1 !important;
}

@media screen and (min-width: 769px) {
  .p-problem3__nav__item:hover::after {
    bottom: 0;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__txt1 {
    color: #656464;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__txt2 {
    color: #656464;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__txt2::before, .p-problem3__nav__item:hover .p-problem3__nav__txt2::after {
    bottom: 15px;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__txt2::before {
    opacity: 0;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__txt2::after {
    opacity: 1;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__num img:first-child {
    opacity: 0;
  }
  .p-problem3__nav__item:hover .p-problem3__nav__num img.on {
    opacity: 1;
  }
}

.p-problem3__nav__item:after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 100%;
  background: #ffffff;
  -webkit-transition: 300ms;
  transition: 300ms;
  z-index: -1;
}

.p-problem3__nav__txt1 {
  font-size: 14px;
  margin: 0 0 3px;
}

.p-problem3__nav__num {
  width: auto;
  height: 26px;
  position: relative;
  display: inline-block;
}

.p-problem3__nav__num img {
  -webkit-transition: 300ms;
  transition: 300ms;
}

.p-problem3__nav__num img:first-child {
  opacity: 1;
}

.p-problem3__nav__num img.on {
  position: absolute;
  top: 0;
  left: 0;
  opacity: 0;
}

.p-problem3__nav__txt2 {
  margin: 12px 0 0;
  font-size: 18px;
  line-height: 22px;
  letter-spacing: 1.8px;
}

.p-problem3__nav__txt2::before, .p-problem3__nav__txt2:after {
  content: '';
  position: absolute;
  bottom: 0;
  width: 10px;
  height: 17px;
  bottom: 25px;
  left: calc(50% - 5px);
  -webkit-transform-origin: center;
          transform-origin: center;
  -webkit-transform: rotate(-90deg);
          transform: rotate(-90deg);
  -webkit-transition: 300ms;
  transition: 300ms;
  transition: 300ms;
}

.p-problem3__nav__txt2::before {
  background: url(/solutions/problem/arrow1.svg) no-repeat center;
  background-size: 10px 17px;
  opacity: 1;
}

.p-problem3__nav__txt2::after {
  background: url(/solutions/problem/arrow2.svg) no-repeat center;
  background-size: 10px 17px;
  opacity: 0;
}

.p-problem4 .c-list1--bg {
  background: #FAFAFA;
}

.p-problem4 .c-list1 .inner {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.p-problem4 .c-list1__item {
  padding: 140px 0 140px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__item {
    padding: 80px 0;
  }
}

.p-problem4 .c-list1__inner {
  width: 45.14925%;
}

@media screen and (max-width: 1180px) and (min-width: 769px) {
  .p-problem4 .c-list1__inner {
    width: auto;
  }
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__inner {
    width: auto;
  }
}

.p-problem4 .c-list1__img {
  width: 50%;
}

@media screen and (max-width: 1180px) and (min-width: 769px) {
  .p-problem4 .c-list1__img {
    display: none;
  }
  .p-problem4 .c-list1__img.sp-only {
    display: block;
    width: 100%;
    max-width: 670px;
    margin: 0 auto;
    margin-top: 38px;
  }
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__img {
    width: auto;
    margin: 38px 0;
  }
}

.p-problem4 .c-list1__img img {
  width: 100%;
}

.p-problem4 .c-list1__tit {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
}

.p-problem4 .c-list1__tit1 {
  background: #656464;
  width: 43.5%;
  margin-right: 26px;
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: justify;
      -ms-flex-pack: justify;
          justify-content: space-between;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1 {
    width: 100%;
    margin: 0;
  }
}

.p-problem4 .c-list1__tit1::before {
  content: '';
  position: absolute;
  left: 100%;
  top: calc(50% - 7px);
  width: 0;
  height: 0;
  border-style: solid;
  border-width: 7px 0 7px 8px;
  border-color: transparent transparent transparent #656464;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1::before {
    border-width: 9px 7.5px 0 7.5px;
    border-color: #656464 transparent transparent transparent;
    top: 100%;
    left: calc(50% - 7px);
  }
}

.p-problem4 .c-list1__tit1__left {
  background: #ffffff;
  font-size: 14px;
  top: 2px;
  left: 2px;
  bottom: 2px;
  width: 67px;
  position: absolute;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1__left {
    width: 48px;
    top: 1px;
    left: 1px;
    bottom: 1px;
  }
}

.p-problem4 .c-list1__tit1__left p {
  margin: 0;
  text-align: center;
}

.p-problem4 .c-list1__tit1__left span {
  display: block;
  font-size: 14px;
  font-weight: bold;
  margin-bottom: 4px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1__left span {
    font-size: 1rem;
    margin-bottom: 0;
  }
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1__left img {
    height: 16px;
    width: auto;
  }
}

.p-problem4 .c-list1__tit1__right {
  color: #ffffff;
  padding: 10px 10px 8px 79px;
  text-align: center;
  width: 100%;
  font-weight: bold;
  font-size: 20px;
  line-height: 30px;
  letter-spacing: 0px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit1__right {
    font-size: 16px;
    line-height: 30px;
    letter-spacing: 0px;
    padding: 12px 10px 12px 9px;
  }
}

.p-problem4 .c-list1__tit2 {
  background: #FECB00;
  padding: 17px 30px 16px;
  font-size: 20px;
  font-weight: bold;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
  font-size: 20px;
  line-height: 27px;
  letter-spacing: 0px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__tit2 {
    margin-top: 19px;
    font-size: 15px;
    line-height: 20px;
    letter-spacing: 0px;
    text-align: center;
  }
}

.p-problem4 .c-list1__title {
  font-size: 30px;
  line-height: 50px;
  letter-spacing: 3px;
  font-weight: bold;
  margin: 38px 0 22px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__title {
    display: none;
  }
}

.p-problem4 .c-list1__txt1 {
  font-size: 15px;
  line-height: 30px;
  letter-spacing: 0px;
  margin: 0;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__txt1 {
    font-size: 14px;
    line-height: 27px;
    letter-spacing: 0px;
  }
}

.p-problem4 .c-list1__txt2 {
  font-weight: bold;
  margin: 21px 0 0;
  font-size: 15px;
  line-height: 30px;
  letter-spacing: 0px;
}

@media screen and (max-width: 768px) {
  .p-problem4 .c-list1__txt2 {
    font-size: 14px;
    line-height: 27px;
    letter-spacing: 0px;
  }
}

.p-problem4 .c-list1__txt2 span {
  background: -webkit-gradient(linear, left top, left bottom, from(white), color-stop(8%, white), color-stop(8%, #fecb00), color-stop(92%, #fecb00), color-stop(92%, white), to(white));
  background: linear-gradient(180deg, white 0%, white 8%, #fecb00 8%, #fecb00 92%, white 92%, white 100%);
}

.p-problem4__bnt {
  padding: 60px 0;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}

@media screen and (max-width: 768px) {
  .p-problem4__bnt {
    margin: 0 -10px;
    padding: 60px 0 75px;
  }
}

.p-problem4__bnt a {
  display: block;
  font-size: 16px;
  line-height: 30px;
  letter-spacing: 1.6px;
  border-radius: 100px;
  text-decoration: none !important;
  color: #656464 !important;
  font-weight: bold;
  padding: 15px 60px;
  background: url(/solutions/problem/arrow3.svg) no-repeat center right 25px #FECB00;
  background-size: 8px 14px;
}

@media screen and (max-width: 768px) {
  .p-problem4__bnt a {
    width: 100%;
    font-size: 15px;
    line-height: 20px;
    letter-spacing: 0px;
    text-align: center;
    padding: 13px 0;
  }
}

@media screen and (min-width: 769px) {
  #no2 .c-list1__tit2 {
    font-size: 18px;
    line-height: 25px;
    letter-spacing: 0px;
    padding: 20px 30px 19px;
  }
  #no3 .c-list1__tit2 {
    font-size: 20px;
    line-height: 30px;
    letter-spacing: 0px;
    padding: 14px 10px 15px 30px;
  }
  #no4 .c-list1__tit2 {
    font-size: 20px;
    line-height: 30px;
    letter-spacing: 0px;
    padding: 14px 10px 13px 20px;
  }
}