@media screen and (max-width:767px) {
  .p-page-header__ttl-jp {
    line-height: 1.25;
  }
}

.case-intro {
  margin-top: 12rem;
  margin-bottom: 12rem;
}
@media screen and (max-width:767px) {
  .case-intro {
    margin-top: 4rem;
    margin-bottom: 8rem;
  }
}
.case-intro__ttl {
  font-size: 4rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-bottom: 2.8rem;
}
@media screen and (max-width:767px) {
  .case-intro__ttl {
    font-size: 2rem;
  }
}
.case-intro__desc {
  font-size: 1.8rem;
  line-height: 2;
}
@media screen and (max-width:767px) {
  .case-intro__desc {
    font-size: 1.6rem;
  }
}

.case-navi {
  margin-bottom: 16rem;
}
@media screen and (max-width:767px) {
  .case-navi {
    margin-bottom: 8rem;
  }
}
.case-navi__list {
  border-top: 1px solid #E4E8EB;
  padding-top: 4rem;
  padding-bottom: 4rem;
}
@media screen and (max-width:767px) {
  .case-navi__list {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}
.case-navi__head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  margin-bottom: 1.6rem;
}
@media screen and (max-width:767px) {
  .case-navi__head {
    margin-bottom: 1rem;
  }
}
.case-navi__head-img {
  width: 16rem;
}
@media screen and (max-width:767px) {
  .case-navi__head-img {
    width: 12rem;
  }
}
.case-navi__head-txt {
  padding-left: 2rem;
  width: calc(100% - 16rem);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.375;
}
@media screen and (max-width:767px) {
  .case-navi__head-txt {
    width: calc(100% - 12rem);
    font-size: 1.6rem;
  }
}
.case-navi__col03 {
  margin-left: -1rem;
  margin-top: -1rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
@media screen and (max-width:767px) {
  .case-navi__col03 {
    margin-left: 0;
  }
}
.case-navi__col03 > * {
  width: calc(33.333% - 1rem);
  margin-left: 1rem;
  margin-top: 1rem;
}
@media screen and (max-width:767px) {
  .case-navi__col03 > * {
    width: 100%;
    margin-left: 0;
  }
}
@media screen and (max-width:767px) {
  .case-navi__col03 .border-top {
    border-top: 1px solid #E4E8EB;
    padding-top: 2rem;
    margin-top: 2rem;
  }
}
.case-navi__item {
  margin-top: 1rem;
  background: #F8F9FA;
  padding: 1.6rem 2rem;
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
@media screen and (max-width:767px) {
  .case-navi__item {
    padding: 1rem;
  }
}
.case-navi__item {
  -webkit-transition: opacity 0.3s cubic-bezier(0.215, 0.61, 0.355, 1);
  transition: opacity 0.3s cubic-bezier(0.215, 0.61, 0.355, 1);
}
.case-navi__item:hover {
  opacity: 0.6;
}
.case-navi__item:before {
  content: "";
  width: 1.6rem;
  height: 1.6rem;
  background: url(/assets/images/ico_arrow_down.svg) 0 0 no-repeat;
  background-size: 100% auto;
  margin-top: -0.8rem;
  top: 50%;
  right: 2rem;
  position: absolute;
}
.case-navi__item-label {
  width: 7.3rem;
  color: #fff;
  background: var(--color-blue);
  padding: 1.8rem 0;
  text-align: center;
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -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:767px) {
  .case-navi__item-label {
    padding: 1.2rem 0;
  }
}
.case-navi__item-label .num {
  font-family: var(--font-en);
  font-size: 1.8rem;
  padding-left: 0.3rem;
  margin-top: -0.2rem;
}
.case-navi__item-meta {
  margin-left: 1rem;
}
.case-navi__item-ttl {
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 0.4rem;
  letter-spacing: 0.04em;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-navi__item-ttl {
    font-size: 1.4rem;
  }
}
.case-navi__item-ttl.is-narrow {
  letter-spacing: -0.02em;
}
.case-navi__item-tags {
  margin-left: -1rem;
}
@media screen and (max-width:767px) {
  .case-navi__item-tags {
    margin-left: -0.4rem;
  }
}
.case-navi__item-tag {
  color: #767F86;
  border: 1px solid #CBD3D8;
  font-size: 1.2rem;
  font-weight: 500;
  padding: 0.5rem 0.8rem 0.5rem;
  display: inline-block;
  margin-left: 1rem;
}
@media screen and (max-width:767px) {
  .case-navi__item-tag {
    font-size: 1rem;
    padding: 0.4rem 0.8rem 0.4rem;
    margin-left: 0.4rem;
  }
}

.case-proposal {
  margin-bottom: 16rem;
}
@media screen and (max-width:767px) {
  .case-proposal {
    margin-bottom: 8rem;
  }
}
.case-proposal__main {
  width: 100vw;
  position: relative;
  left: 50%;
  right: 50%;
  margin-left: -50vw;
  margin-right: -50vw;
  position: relative;
}
.case-proposal__main img {
  position: relative;
  z-index: 1;
}
.case-proposal__main-inner {
  position: absolute;
  bottom: 0;
  left: 50%;
  -webkit-transform: translateX(-50%);
          transform: translateX(-50%);
  height: 8rem;
  z-index: 2;
}
@media screen and (max-width:767px) {
  .case-proposal__main-inner {
    height: 4rem;
  }
}
.case-proposal__main-inner:before {
  content: "";
  width: 32rem;
  height: 100%;
  background: #fff;
  position: absolute;
  bottom: 0;
  left: 0;
  z-index: 2;
}
@media screen and (max-width:767px) {
  .case-proposal__main-inner:before {
    width: 16rem;
  }
}
.case-proposal__main-inner:after {
  content: "";
  width: 100vw;
  height: 100%;
  background: #fff;
  position: absolute;
  bottom: 0;
  right: 100%;
  z-index: 2;
}
@media screen and (max-width:767px) {
  .case-proposal__main-inner:after {
    display: none;
  }
}
.case-proposal__head {
  position: relative;
  padding: 12rem 0;
  margin-bottom: 8rem;
  color: #fff;
}
@media screen and (max-width:767px) {
  .case-proposal__head {
    padding: 6rem 0;
  }
}
.case-proposal__head.is-blue:after {
  background: #689CC8;
}
.case-proposal__head.is-blue .marker {
  background: #417DB1;
}
.case-proposal__head.is-green:after {
  background: #58A0A4;
}
.case-proposal__head.is-green .marker {
  background: #37878B;
}
.case-proposal__head.is-purple:after {
  background: #8C9BC8;
}
.case-proposal__head.is-purple .marker {
  background: #6578B2;
}
.case-proposal__head:after {
  content: "";
  width: 100vw;
  height: 100%;
  position: absolute;
  top: 0;
  left: 50%;
  margin-left: -50vw;
  z-index: -1;
}
.case-proposal__head-label {
  display: inline-block;
  border: 1px solid #fff;
  font-weight: 500;
  font-size: 2.4rem;
  padding: 1rem 1.6rem;
  margin-bottom: 1.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal__head-label {
    font-size: 1.6rem;
    padding: 0.8rem 1.6rem;
    line-height: 1.375;
  }
}
.case-proposal__head-ttl {
  font-weight: 500;
  letter-spacing: 0.04em;
  font-size: 3.2rem;
  margin-bottom: 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal__head-ttl {
    font-size: 1.8rem;
    margin-bottom: 2rem;
    line-height: 1.7;
  }
}
.case-proposal__head-ttl .marker {
  font-size: 4.8rem;
  display: inline-block;
  padding: 0.7rem 1.5rem 0.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal__head-ttl .marker {
    font-size: 2.4rem;
    padding: 0 1rem;
  }
}
.case-proposal__head-desc {
  padding: 4rem;
  background: #fff;
  color: #222629;
  font-size: 1.8rem;
  line-height: 1.7777777778;
}
@media screen and (max-width:767px) {
  .case-proposal__head-desc {
    padding: 3rem;
    font-size: 1.4rem;
    line-height: 1.7857142857;
  }
}
.case-proposal__label {
  width: 16rem;
  height: 6.4rem;
  color: #fff;
  background: var(--color-blue);
  text-align: center;
  font-size: 2.4rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -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:767px) {
  .case-proposal__label {
    width: 9.6rem;
    height: 3.8rem;
    font-size: 1.4rem;
  }
}
.case-proposal__label .num {
  font-family: var(--font-en);
  font-size: 4rem;
  padding-left: 0.6rem;
  margin-top: -0.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal__label .num {
    font-size: 2.3rem;
    margin-top: -0.4rem;
  }
}
.case-proposal__ttl {
  margin-bottom: 2.4rem;
  font-size: 4rem;
  font-weight: 500;
  line-height: 1.5;
}
.case-proposal__ttl .txt01 {
  font-size: 1.8rem;
}
.case-proposal__ttl .txt02 {
  font-size: 2.4rem;
}
.case-proposal__ttl .txt03 {
  font-size: 3.2rem;
  margin-left: 0.8rem;
}
.case-proposal__ttl .color-gray {
  background: #E4E8EB;
  padding: 0.6rem 1.2rem;
}
.case-proposal__ttl .color-blue {
  color: var(--color-blue);
  background: #ECF5FC;
  padding: 0.6rem 1.2rem;
}
.case-proposal__ttl .color-green {
  color: #58A0A4;
  background: #F0F7F3;
  padding: 0.6rem 1.2rem;
}
.case-proposal__ttl .color-purple {
  color: #6B74B7;
  background: #E7EAF8;
  padding: 0.6rem 1.2rem;
}
.case-proposal__ttl-sp {
  font-weight: 500;
  margin-top: 1.6rem;
  margin-bottom: 2rem;
  line-height: 1.7;
}
.case-proposal__ttl-sp .txt01 {
  font-size: 1.2rem;
}
.case-proposal__ttl-sp .txt02 {
  font-size: 1.6rem;
}
.case-proposal__ttl-sp .txt03 {
  font-size: 2.4rem;
  line-height: 2;
}
.case-proposal__ttl-sp .txt04 {
  font-size: 2rem;
  line-height: 2;
}
.case-proposal__ttl-sp .color-gray,
.case-proposal__ttl-sp .color-blue,
.case-proposal__ttl-sp .color-green,
.case-proposal__ttl-sp .color-purple {
  padding: 0.6rem 0.8rem;
  font-size: 2.4rem;
}
.case-proposal__ttl-sp .color-gray {
  background: #E4E8EB;
}
.case-proposal__ttl-sp .color-blue {
  color: var(--color-blue);
  background: #ECF5FC;
}
.case-proposal__ttl-sp .color-green {
  color: #58A0A4;
  background: #F0F7F3;
}
.case-proposal__ttl-sp .color-purple {
  color: #6B74B7;
  background: #E7EAF8;
}
.case-proposal__meta {
  border-bottom: 0.2rem solid #222629;
  padding-bottom: 4rem;
  margin-bottom: 6rem;
}
@media print, screen and (min-width:768px) {
  .case-proposal__meta {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: end;
        -ms-flex-align: end;
            align-items: flex-end;
  }
}
@media screen and (max-width:767px) {
  .case-proposal__meta {
    margin-bottom: 4rem;
  }
}
.case-proposal__meta .case-proposal__ttl {
  margin-bottom: 0;
}
.case-proposal__meta-check {
  padding-left: 3.2rem;
  position: relative;
  font-size: 1.8rem;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-check {
    padding-left: 2.2rem;
    font-size: 1.3rem;
  }
}
.case-proposal__meta-check:before {
  content: "";
  width: 2.4rem;
  height: 2.4rem;
  position: absolute;
  top: 50%;
  margin-top: -1.2rem;
  left: 0;
  background: url(/assets/images/ico_check02.svg) 0 0 no-repeat;
  background-size: 100% auto;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-check:before {
    width: 1.6rem;
    height: 1.6rem;
    margin-top: -0.8rem;
  }
}
.case-proposal__meta-info01 {
  font-size: 1.8rem;
  letter-spacing: 0.04em;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-info01 {
    font-size: 1.6rem;
    line-height: 1.5625;
  }
}
.case-proposal__meta-info02 {
  font-size: 1.4rem;
  line-height: 1.5;
  letter-spacing: 0.04em;
  margin-top: 1rem;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-info02 {
    font-size: 1.3rem;
    line-height: 1.5384615385;
  }
}
.case-proposal__meta-tags {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  margin-left: -1.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tags {
    margin-top: 2rem;
    margin-left: -0.8rem;
  }
}
.case-proposal__meta-tags li {
  margin-left: 1.2rem;
  font-size: 1.4rem;
  font-weight: 500;
  height: 4rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tags li {
    margin-left: 0.8rem;
    font-size: 1.3rem;
    height: 3rem;
  }
}
.case-proposal__meta-tags li:before {
  position: absolute;
  top: 50%;
  -webkit-transform: translateY(-50%);
          transform: translateY(-50%);
}
.case-proposal__meta-tag01 {
  width: 8rem;
  color: var(--color-blue);
  border: 1px solid var(--color-blue);
  padding-left: 4rem;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag01 {
    width: 6.8rem;
    padding-left: 3rem;
  }
}
.case-proposal__meta-tag01:before {
  content: "";
  width: 2.4rem;
  height: 2.4rem;
  left: 0.9rem;
  background: url(/assets/images/fireproof-covering-guide/intro_ico01.svg) 0 0 no-repeat;
  background-size: 100% auto;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag01:before {
    width: 1.8rem;
    height: 1.8rem;
    left: 0.7rem;
  }
}
.case-proposal__meta-tag02 {
  width: 8rem;
  color: #58A0A4;
  border: 1px solid #58A0A4;
  padding-left: 4rem;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag02 {
    width: 6.8rem;
    padding-left: 3rem;
  }
}
.case-proposal__meta-tag02:before {
  content: "";
  width: 2rem;
  height: 2rem;
  left: 1.1rem;
  background: url(/assets/images/fireproof-covering-guide/intro_ico02.svg) 0 0 no-repeat;
  background-size: 100% auto;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag02:before {
    width: 1.6rem;
    height: 1.6rem;
    padding-left: 1.2rem;
  }
}
.case-proposal__meta-tag03 {
  width: 9.6rem;
  color: #738ABE;
  border: 1px solid #738ABE;
  padding-left: 4.5rem;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag03 {
    width: 7.9rem;
    padding-left: 3rem;
  }
}
.case-proposal__meta-tag03:before {
  content: "";
  width: 3rem;
  height: 2.4rem;
  left: 0.8rem;
  background: url(/assets/images/fireproof-covering-guide/intro_ico03.svg) 0 0 no-repeat;
  background-size: 100% auto;
}
@media screen and (max-width:767px) {
  .case-proposal__meta-tag03:before {
    width: 2.2rem;
    height: 1.8rem;
    left: 0.6rem;
  }
}
@media screen and (max-width: 1060px) {
  .case-proposal__list-wrap {
    padding-right: 2rem;
    margin-right: -2rem;
  }
}
.case-proposal__list {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.case-proposal__list.col {
  gap: 0 0.6rem;
}
@media print, screen and (min-width:768px) {
  .case-proposal__list.col-03 .case-proposal__img {
    -webkit-box-flex: 420;
        -ms-flex: 420;
            flex: 420;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal__list.col-03 .case-proposal__img:nth-of-type(2) {
    -webkit-box-flex: 426;
        -ms-flex: 426;
            flex: 426;
  }
}
.case-proposal__item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-direction: column;
          flex-direction: column;
}
.case-proposal__item-head {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
      -ms-flex-pack: center;
          justify-content: center;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
  font-weight: 500;
  letter-spacing: 0.04em;
}
.case-proposal__item-body {
  padding: 4rem 6rem 6rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
      -ms-flex-flow: column;
          flex-flow: column;
  -webkit-box-flex: 1;
      -ms-flex: 1;
          flex: 1;
}
.case-proposal__item-bottom {
  margin-top: auto;
}
.case-proposal__item-txt p {
  position: relative;
  padding-left: 2.8rem;
  line-height: 1.375;
}
.case-proposal__item-txt p i {
  position: absolute;
  top: 0;
  left: 0;
  vertical-align: top;
}
.case-proposal__item01 {
  position: relative;
  background: #F8F9FA;
}
.case-proposal__item01:after {
  content: "";
  width: 8rem;
  height: 8rem;
  position: absolute;
  background: url(/assets/images/fireproof-covering-guide/case/proposal01_arrow.svg) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  right: -4rem;
  bottom: 40rem;
}
@media screen and (max-width:767px) {
  .case-proposal__item01:after {
    width: 3rem;
    height: 3rem;
    right: -1.5rem;
    bottom: 30rem;
  }
}
.case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
.case-proposal__item01 .case-proposal__item-txt {
  background: #E4E8EB;
  font-size: 1.4rem;
  font-weight: 500;
}
.case-proposal__item01 .case-proposal__item-txt i {
  width: 1.7rem;
  height: 1.5rem;
  background: url(/assets/images/fireproof-covering-guide/case/ico_tri.svg) 0 0 no-repeat;
  background-size: 100% auto;
  top: -0.1rem;
}
.case-proposal__item01 .case-proposal__item-img {
  margin-top: 3rem;
}
.case-proposal__item02 {
  background: #EFF5FA;
}
.case-proposal__item02 .case-proposal__item-head {
  background: #689CC8;
  color: #fff;
  font-size: 3.2rem;
}
.case-proposal__item02 .case-proposal__item-txt {
  background: rgba(104, 156, 200, 0.2);
  font-size: 1.8rem;
  line-height: 1.3333333333;
  font-weight: 500;
}
.case-proposal__item02 .case-proposal__item-txt i {
  width: 1.8rem;
  height: 1.8rem;
  top: 50%;
  margin-top: -0.9rem;
  border-radius: 50%;
  border: 2px solid #689CC8;
}
.case-proposal__item02 .case-proposal__item-img {
  margin-top: 3rem;
}
.case-proposal__btn {
  margin-top: 8rem;
  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:767px) {
  .case-proposal__btn {
    margin-top: 4rem;
  }
}
.case-proposal__btn .c-btn {
  width: 48rem;
  height: 9.6rem;
}
@media screen and (max-width:767px) {
  .case-proposal__btn .c-btn {
    width: 35rem;
    height: 8rem;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal__btn .c-btn + .c-btn {
    margin-left: 4rem;
  }
}
@media screen and (max-width:767px) {
  .case-proposal__btn .c-btn + .c-btn {
    margin-top: 2rem;
  }
}
.case-proposal__pagetop {
  margin-top: 4rem;
  text-align: right;
}
@media print, screen and (min-width:768px) {
  .case-proposal__pagetop .c-btn02:hover i:before {
    left: 0.8rem;
    top: 0.8rem;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal__pagetop .c-btn02:hover i:after {
    left: 0.8rem;
    top: -1.6rem;
  }
}
.case-proposal__pagetop .c-btn02 span {
  font-size: 1.4rem;
}
.case-proposal__pagetop .c-btn02 i:before, .case-proposal__pagetop .c-btn02 i:after {
  -webkit-transform: rotate(-90deg);
          transform: rotate(-90deg);
}
.case-proposal__pagetop .c-btn02 i:before {
  left: 0.8rem;
  top: 2.4rem;
}

@media screen and (max-width: 700px) {
  .case-proposal01 .case-proposal__list {
    width: 70rem;
  }
}
.case-proposal01 .case-proposal__item {
  width: 50%;
}
.case-proposal01 .case-proposal__item-head {
  height: 12rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item-head {
    height: 6rem;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal01 .case-proposal__item-listwrap {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}
.case-proposal01 .case-proposal__item-list {
  margin-bottom: 3rem;
}
.case-proposal01 .case-proposal__item-list li span {
  display: inline-block;
  margin-right: 0.8rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item-body {
    padding: 2rem;
  }
}
.case-proposal01 .case-proposal__item-txt {
  height: 9rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item-txt {
    height: 7rem;
    padding: 0 1.5rem;
  }
}
.case-proposal01 .case-proposal__item-img {
  margin-top: 3rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item-img {
    margin-top: 2.4rem;
  }
}
.case-proposal01 .case-proposal__item01 {
  position: relative;
}
.case-proposal01 .case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item01 .case-proposal__item-head {
    font-size: 1.8rem;
  }
}
.case-proposal01 .case-proposal__item01 .case-proposal__item-list {
  margin-bottom: 3rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item01 .case-proposal__item-list {
    margin-bottom: 2.6rem;
  }
}
.case-proposal01 .case-proposal__item01 .case-proposal__item-list li {
  font-size: 1.4rem;
  letter-spacing: 0.04em;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item01 .case-proposal__item-list li {
    padding-left: 5.2rem;
    line-height: 1.4285714286;
  }
}
.case-proposal01 .case-proposal__item01 .case-proposal__item-list li span {
  display: inline-block;
  border: 1px solid #CBD3D8;
  color: #767F86;
  font-weight: 500;
  padding: 0.6rem 0.8rem 0.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item01 .case-proposal__item-list li span {
    position: absolute;
    top: 50%;
    left: 0;
    -webkit-transform: translateY(-50%);
            transform: translateY(-50%);
  }
}
.case-proposal01 .case-proposal__item01 .case-proposal__item-list li + li {
  margin-top: 1rem;
}
.case-proposal01 .case-proposal__item02 .case-proposal__item-head {
  background: #689CC8;
  color: #fff;
  font-size: 3.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item02 .case-proposal__item-head {
    font-size: 2.6rem;
  }
}
.case-proposal01 .case-proposal__item02 .case-proposal__item-body {
  background: #EFF5FA;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item02 .case-proposal__item-list {
    padding-top: 1rem;
  }
}
.case-proposal01 .case-proposal__item02 .case-proposal__item-list li {
  font-size: 2rem;
  letter-spacing: 0.04em;
  font-weight: 500;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item02 .case-proposal__item-list li {
    padding-top: 3.2rem;
    font-size: 1.6rem;
  }
}
.case-proposal01 .case-proposal__item02 .case-proposal__item-list li span {
  font-size: 1.6rem;
  display: inline-block;
  border: 1px solid #689CC8;
  color: #689CC8;
  font-weight: 500;
  padding: 0.7rem 0.8rem 0.5rem;
}
@media screen and (max-width:767px) {
  .case-proposal01 .case-proposal__item02 .case-proposal__item-list li span {
    font-size: 1.4rem;
    position: absolute;
    top: 0;
    left: 50%;
    -webkit-transform: translateX(-50%);
            transform: translateX(-50%);
  }
}
.case-proposal01 .case-proposal__item02 .case-proposal__item-list li + li {
  margin-top: 1rem;
}

@media screen and (max-width: 1060px) {
  .case-proposal02 .case-proposal__list {
    width: 106rem;
  }
}
.case-proposal02 .case-proposal__item {
  width: 32.8%;
}
.case-proposal02 .case-proposal__item-head {
  height: 10rem;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal02 .case-proposal__item-body {
  padding: 3rem 4rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item-body {
    padding: 2.4rem 2rem 2rem;
  }
}
.case-proposal02 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 1.6rem;
}
@media print, screen and (min-width:768px) {
  .case-proposal02 .case-proposal__item-lead {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}
.case-proposal02 .case-proposal__item-txt {
  height: 14.2rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item-txt {
    padding: 0 2rem;
  }
}
.case-proposal02 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
}
.case-proposal02 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
.case-proposal02 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
.case-proposal02 .case-proposal__item03 {
  margin-left: auto;
  background: #EFF5FA;
  padding: 6rem 4rem 4rem;
  text-align: center;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item03 {
    padding: 3rem 2rem 2rem;
  }
}
.case-proposal02 .case-proposal__item03-label p {
  color: #5A92A5;
  background: #fff;
  border: 1px solid #5A92A5;
  margin-bottom: 2.2rem;
  display: inline-block;
  padding: 1.5rem 2.4rem 1.5rem;
  font-size: 3.2rem;
  font-weight: 500;
}
.case-proposal02 .case-proposal__item03-subttl {
  color: #5A92A5;
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 0.6rem;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item03-subttl {
    font-size: 1.4rem;
  }
}
.case-proposal02 .case-proposal__item03-ttl {
  color: #5A92A5;
  font-size: 2.4rem;
  line-height: 1.5;
  font-weight: 500;
  margin-bottom: 2.7rem;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item03-ttl {
    font-size: 2rem;
    margin-bottom: 1.6rem;
  }
}
.case-proposal02 .case-proposal__item03-desc {
  font-size: 1.6rem;
  line-height: 1.8125;
  margin-bottom: 5.4rem;
  text-align: left;
}
@media screen and (max-width:767px) {
  .case-proposal02 .case-proposal__item03-desc {
    font-size: 1.4rem;
    line-height: 1.7142857143;
    margin-bottom: 2rem;
  }
}
.case-proposal02 .case-proposal__item03-img {
  margin-top: auto;
}

@media screen and (max-width: 1060px) {
  .case-proposal03 .case-proposal__list {
    width: 106rem;
  }
}
.case-proposal03 .case-proposal__item {
  width: 32.8%;
}
.case-proposal03 .case-proposal__item-head {
  height: 10rem;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal03 .case-proposal__item-body {
  padding: 3rem 4rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item-body {
    padding: 3rem 2rem 2rem;
  }
}
.case-proposal03 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 1.6rem;
}
@media print, screen and (min-width:768px) {
  .case-proposal03 .case-proposal__item-lead {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}
.case-proposal03 .case-proposal__item-txt {
  height: 14.2rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item-txt {
    height: 12rem;
    padding: 0 2rem;
  }
}
.case-proposal03 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item01 .case-proposal__item-lead {
    padding-top: 2rem;
  }
}
.case-proposal03 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
.case-proposal03 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
.case-proposal03 .case-proposal__item02 .case-proposal__item-txt i {
  top: 0.4rem;
  margin-top: 0;
}
.case-proposal03 .case-proposal__item03 {
  margin-left: auto;
  background: #EFF5FA;
  padding: 6rem 4rem 4rem;
  text-align: center;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03 {
    padding: 2rem;
  }
}
.case-proposal03 .case-proposal__item03-label p {
  color: #5A92A5;
  background: #fff;
  border: 1px solid #5A92A5;
  margin-bottom: 2.2rem;
  display: inline-block;
  padding: 1.5rem 2.3rem 1.5rem;
  font-size: 3.2rem;
  font-weight: 500;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03-label p {
    margin-bottom: 1rem;
    padding: 1.5rem 2.3rem 1.5rem;
    font-size: 3.2rem;
  }
}
.case-proposal03 .case-proposal__item03-subttl {
  color: #5A92A5;
  font-size: 1.6rem;
  font-weight: 500;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03-subttl {
    font-size: 1.4rem;
  }
}
.case-proposal03 .case-proposal__item03-ttl {
  color: #5A92A5;
  font-size: 2.4rem;
  line-height: 1.5;
  font-weight: 500;
  margin-bottom: 3.3rem;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03-ttl {
    font-size: 2rem;
    margin-bottom: 2.6rem;
  }
}
.case-proposal03 .case-proposal__item03-lead {
  font-size: 1.6rem;
  font-weight: 700;
  text-align: left;
}
.case-proposal03 .case-proposal__item03-desc {
  font-size: 1.6rem;
  line-height: 1.8125;
  margin-bottom: 3.5rem;
  text-align: left;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03-desc {
    font-size: 1.4rem;
    margin-bottom: 1.5rem;
  }
}
.case-proposal03 .case-proposal__item03-list {
  text-align: left;
}
.case-proposal03 .case-proposal__item03-list li {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.6666666667;
  border-bottom: 1px solid #CBD3D8;
  padding: 0.6rem 0 0.6rem 4rem;
  position: relative;
}
@media screen and (max-width:767px) {
  .case-proposal03 .case-proposal__item03-list li {
    font-size: 1.6rem;
    padding: 0.6rem 0 0.6rem 4rem;
  }
}
.case-proposal03 .case-proposal__item03-list li:before {
  content: "";
  width: 1.6rem;
  height: 1.1rem;
  background: url(/assets/images/fireproof-covering-guide/case/ico_check.svg) 0 0 no-repeat;
  background-size: 100% auto;
  position: absolute;
  left: 1.4rem;
  top: 50%;
  margin-top: -0.5rem;
}
.case-proposal03 .case-proposal__item03-img {
  margin-top: auto;
}

@media screen and (max-width: 1100px) {
  .case-proposal04 .case-proposal__list {
    width: 110rem;
  }
}
.case-proposal04 .case-proposal__item-head {
  height: 12rem;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal04 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
}
@media print, screen and (min-width:768px) {
  .case-proposal04 .case-proposal__item-lead {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
        -ms-flex-align: center;
            align-items: center;
  }
}
.case-proposal04 .case-proposal__item-body {
  padding: 1.5rem 4rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item-body {
    padding: 3rem 2rem 2rem;
  }
}
.case-proposal04 .case-proposal__item-txt {
  height: 14.2rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.case-proposal04 .case-proposal__item-img {
  margin-top: 3rem;
}
.case-proposal04 .case-proposal__item01 {
  width: 32.8%;
  position: relative;
}
.case-proposal04 .case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item01 .case-proposal__item-head {
    font-size: 1.8rem;
  }
}
.case-proposal04 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
  margin-bottom: 3.3rem;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item01 .case-proposal__item-lead {
    margin-bottom: 2.5rem;
  }
}
.case-proposal04 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
.case-proposal04 .case-proposal__item02 {
  width: 67.2%;
}
.case-proposal04 .case-proposal__item02 .case-proposal__item-head {
  background: #689CC8;
  color: #fff;
  font-size: 3.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item02 .case-proposal__item-head {
    font-size: 2.6rem;
  }
}
.case-proposal04 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-proposal04 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
.case-proposal04 .case-proposal__item02 .case-proposal__item-bottom {
  margin-top: 2rem;
}

@media screen and (max-width:767px) {
  .case-proposal05 .case-proposal__list {
    gap: 0;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
}
@media screen and (max-width:767px) {
  .case-proposal05 .case-proposal__img {
    width: calc(50% - 0.3rem);
  }
}
@media screen and (max-width:767px) {
  .case-proposal05 .case-proposal__img:nth-of-type(2) {
    margin-left: auto;
    width: 50%;
  }
}
@media screen and (max-width:767px) {
  .case-proposal05 .case-proposal__img:last-of-type {
    width: 100%;
    margin-top: 0.2rem;
  }
}

@media screen and (max-width:767px) {
  .case-proposal06 .case-proposal__list {
    gap: 0;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal06 .case-proposal__img {
    -webkit-box-flex: 400;
        -ms-flex: 400;
            flex: 400;
  }
}
@media screen and (max-width:767px) {
  .case-proposal06 .case-proposal__img {
    width: 100%;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal06 .case-proposal__img.large {
    -webkit-box-flex: 864;
        -ms-flex: 864;
            flex: 864;
  }
}

@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__list {
    display: block;
  }
}
.case-proposal07 .case-proposal__item {
  width: 50%;
  margin-bottom: 6rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item {
    width: 100%;
    margin-bottom: 0;
  }
}
.case-proposal07 .case-proposal__item-head {
  height: 10rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal07 .case-proposal__item-body {
  padding: 2.5rem 6rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item-body {
    padding: 2rem;
  }
}
.case-proposal07 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
.case-proposal07 .case-proposal__item-txt {
  height: 10rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item-txt {
    height: 16rem;
    padding: 0 3rem;
    line-height: 1.5714285714;
  }
}
.case-proposal07 .case-proposal__item01:after {
  display: none;
}
.case-proposal07 .case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item01 .case-proposal__item-head {
    font-size: 1.8rem;
  }
}
.case-proposal07 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
}
.case-proposal07 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item02 {
    margin-bottom: 4rem;
  }
}
.case-proposal07 .case-proposal__item02 .case-proposal__item-head {
  background: #689CC8;
  color: #fff;
  font-size: 3.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item02 .case-proposal__item-head {
    font-size: 2.6rem;
  }
}
.case-proposal07 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__list.col {
    display: -webkit-box !important;
    display: -ms-flexbox !important;
    display: flex !important;
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 0;
  }
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__img:first-of-type {
    -webkit-box-ordinal-group: 3;
        -ms-flex-order: 2;
            order: 2;
    margin-right: -2rem;
  }
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__img:first-of-type img {
    width: 70rem;
  }
}
@media screen and (max-width:767px) {
  .case-proposal07 .case-proposal__img:nth-of-type(2) {
    -webkit-box-ordinal-group: 2;
        -ms-flex-order: 1;
            order: 1;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal07 .case-proposal__img {
    -webkit-box-flex: 420;
        -ms-flex: 420;
            flex: 420;
  }
}
@media print, screen and (min-width:768px) {
  .case-proposal07 .case-proposal__img.large {
    -webkit-box-flex: 852;
        -ms-flex: 852;
            flex: 852;
  }
}

@media screen and (max-width:767px) {
  .case-proposal08 .case-proposal__list.col {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
    gap: 0;
  }
}
@media screen and (max-width:767px) {
  .case-proposal08 .case-proposal__img {
    width: calc(50% - 0.3rem);
  }
}
@media screen and (max-width:767px) {
  .case-proposal08 .case-proposal__img:nth-of-type(2) {
    margin-left: auto;
    width: 50%;
  }
}
@media screen and (max-width:767px) {
  .case-proposal08 .case-proposal__img:last-of-type {
    width: 100%;
    margin-top: 0.2rem;
  }
}

.case-proposal05,
.case-proposal06,
.case-proposal07 {
  margin-bottom: 8rem;
}

.case-proposal08 {
  margin-bottom: 12rem;
}

.case-proposal09 .case-proposal__label {
  background: #58A0A4;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__list {
    -ms-flex-wrap: wrap;
        flex-wrap: wrap;
  }
}
.case-proposal09 .case-proposal__item {
  width: 50%;
  margin-bottom: 6rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item {
    width: 100%;
    margin-bottom: 0;
  }
}
.case-proposal09 .case-proposal__item-head {
  height: 10rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal09 .case-proposal__item-body {
  padding: 2.5rem 6rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item-body {
    padding: 2rem;
  }
}
.case-proposal09 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
.case-proposal09 .case-proposal__item-txt {
  height: 13rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.case-proposal09 .case-proposal__item01:after {
  display: none;
}
.case-proposal09 .case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item01 .case-proposal__item-head {
    font-size: 1.8rem;
  }
}
.case-proposal09 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item01 .case-proposal__item-txt {
    height: 7rem;
    line-height: 1.5714285714;
  }
}
.case-proposal09 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
.case-proposal09 .case-proposal__item02 {
  background: #EDFBFC;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item02 {
    margin-bottom: 4rem;
  }
}
.case-proposal09 .case-proposal__item02 .case-proposal__item-head {
  background: #58A0A4;
  color: #fff;
  font-size: 3.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item02 .case-proposal__item-head {
    font-size: 2.6rem;
  }
}
.case-proposal09 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 2rem;
  font-weight: 500;
  line-height: 1.5;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
.case-proposal09 .case-proposal__item02 .case-proposal__item-txt {
  background: rgba(88, 160, 164, 0.2);
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__item02 .case-proposal__item-txt {
    height: 15.4rem;
    font-size: 1.7rem;
    line-height: 1.2941176471;
  }
}
.case-proposal09 .case-proposal__item02 .case-proposal__item-txt i {
  border-color: #58A0A4;
  top: 0.2rem;
  margin-top: 0;
}
.case-proposal09 .case-proposal__block {
  width: calc(66.666% - 0.3rem);
  background: #E4E8EB;
  padding: 6rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__block {
    width: 100%;
    padding: 3rem;
  }
}
.case-proposal09 .case-proposal__block-img {
  width: 58%;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__block-img {
    width: 100%;
    margin-bottom: 2.5rem;
  }
}
.case-proposal09 .case-proposal__block-txt {
  margin-left: auto;
  width: 40%;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__block-txt {
    width: 100%;
  }
}
.case-proposal09 .case-proposal__block-ttl {
  font-size: 1.6rem;
  font-weight: 500;
  margin-bottom: 2rem;
  line-height: 1.6111111111;
}
.case-proposal09 .case-proposal__block-ttl span {
  color: #58A0A4;
  font-size: 1.8rem;
  font-weight: 700;
}
.case-proposal09 .case-proposal__block-desc {
  font-size: 1.6rem;
  line-height: 1.625;
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
@media screen and (max-width:767px) {
  .case-proposal09 .case-proposal__block-desc {
    font-size: 1.4rem;
    margin-bottom: 1rem;
  }
}
.case-proposal09 .case-proposal__block-btn span {
  font-size: 1.4rem;
  line-height: 1.3;
}

.case-proposal10 .case-proposal__label {
  background: #8C9BC8;
}
.case-proposal10 .case-proposal__list {
  -ms-flex-wrap: wrap;
      flex-wrap: wrap;
}
.case-proposal10 .case-proposal__item {
  width: 50%;
  margin-bottom: 6rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item {
    width: 100%;
    margin-bottom: 0;
  }
}
.case-proposal10 .case-proposal__item-head {
  height: 10rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item-head {
    height: 6rem;
  }
}
.case-proposal10 .case-proposal__item-body {
  padding: 2.5rem 6rem 4rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item-body {
    padding: 2rem;
  }
}
.case-proposal10 .case-proposal__item-lead {
  letter-spacing: 0.04em;
  margin-bottom: 2rem;
}
.case-proposal10 .case-proposal__item-txt {
  height: 9rem;
  padding: 0 3rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
      -ms-flex-align: center;
          align-items: center;
}
.case-proposal10 .case-proposal__item01:after {
  display: none;
}
.case-proposal10 .case-proposal__item01 .case-proposal__item-head {
  background: #E4E8EB;
  font-size: 2.4rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item01 .case-proposal__item-head {
    font-size: 1.8rem;
  }
}
.case-proposal10 .case-proposal__item01 .case-proposal__item-lead {
  font-size: 1.4rem;
  line-height: 1.5714285714;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item01 .case-proposal__item-txt {
    height: 9.6rem;
  }
}
.case-proposal10 .case-proposal__item01 .case-proposal__item-txt p + p {
  margin-top: 1rem;
}
.case-proposal10 .case-proposal__item02 {
  background: rgba(140, 155, 200, 0.1);
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item02 {
    margin-bottom: 4rem;
  }
}
.case-proposal10 .case-proposal__item02 .case-proposal__item-head {
  background: #8C9BC8;
  color: #fff;
  font-size: 3.2rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item02 .case-proposal__item-head {
    font-size: 2.6rem;
  }
}
.case-proposal10 .case-proposal__item02 .case-proposal__item-lead {
  font-size: 1.8rem;
  font-weight: 500;
  line-height: 1.5;
  letter-spacing: 0;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item02 .case-proposal__item-lead {
    font-size: 1.6rem;
  }
}
.case-proposal10 .case-proposal__item02 .case-proposal__item-lead span {
  font-size: 1.5rem;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__item02 .case-proposal__item-txt {
    height: 11.5rem;
    font-size: 1.7rem;
  }
}
.case-proposal10 .case-proposal__item02 .case-proposal__item-txt {
  background: rgba(140, 155, 200, 0.2);
}
.case-proposal10 .case-proposal__item02 .case-proposal__item-txt i {
  border-color: #8C9BC8;
  top: 0.2rem;
  margin-top: 0;
}
@media screen and (max-width:767px) {
  .case-proposal10 .case-proposal__img + .case-proposal__img {
    margin-top: 0.2rem;
  }
}
.case-proposal10__note {
  margin-top: 0.5rem;
  font-size: 1rem;
}

.case-backbtn {
  width: 48rem;
  margin: 0 auto 16rem;
}
@media screen and (max-width:767px) {
  .case-backbtn {
    width: 24rem;
    margin: 6rem auto;
  }
}