/* ---------------------
  common
--------------------- */
.tab {
  display: none;
}
@media screen and (max-width: 834px) {
  .tab {
    display: block;
  }
}

.fwsb {
  font-weight: 600;
}

.lh-1_75 {
  line-height: 1.75;
}

.f30 {
  font-size: 3rem;
}
@media screen and (max-width: 600px) {
  .f30 {
    font-size: 6vw;
  }
}

.f130 {
  font-size: 13rem;
}
@media screen and (max-width: 834px) {
  .f130 {
    font-size: 8rem;
  }
}

.fc-blue {
  color: #01184d;
}

.w-600 {
  max-width: 60rem;
  margin: 0 0 0 auto;
}
@media screen and (max-width: 834px) {
  .w-600 {
    max-width: 100%;
    margin: 0 auto 0 0;
  }
}

/* ---------------------
  safety
--------------------- */
.safe-intro__flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 3rem;
}
@media screen and (max-width: 1100px) {
  .safe-intro__flex {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
}
@media screen and (max-width: 834px) {
  .safe-intro__flex {
    gap: 2rem;
  }
}
.safe-intro__flex .c-txt {
  margin-top: 6rem;
}
@media screen and (max-width: 834px) {
  .safe-intro__flex .c-txt {
    margin-top: 2rem;
  }
}
.safe-intro__cont {
  max-width: 65rem;
}
@media screen and (max-width: 1100px) {
  .safe-intro__cont {
    max-width: 100%;
  }
}
.safe-intro__cont .f32 {
  display: block;
}
@media screen and (max-width: 600px) {
  .safe-intro__cont .f50 {
    font-size: 2.6rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-intro__cont .f50 {
    font-size: 2.4rem;
  }
}
@media screen and (max-width: 1100px) {
  .safe-intro__img {
    width: 100%;
  }
  .safe-intro__img img {
    width: 100%;
  }
}

.safe-main {
  margin-top: 14rem;
}
@media screen and (max-width: 834px) {
  .safe-main {
    margin-top: 5rem;
  }
}
.safe-main__flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 3rem;
}
@media screen and (max-width: 834px) {
  .safe-main__flex {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 2rem;
  }
}
.safe-main__nav {
  position: sticky;
  top: 13rem;
  min-width: fit-content;
  font-size: 1.8rem;
  font-weight: 500;
}
@media screen and (max-width: 834px) {
  .safe-main__nav {
    top: 0;
    font-size: 1.6rem;
  }
  .safe-main__nav ul {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    gap: 1em;
  }
}
.safe-main__nav-item {
  color: #ddd;
}
@media screen and (max-width: 834px) {
  .safe-main__nav-item {
    color: #222;
  }
}
.safe-main__nav-item.now {
  color: #222;
}
.safe-main__nav-item:not(:first-of-type) {
  margin-top: 2rem;
}
@media screen and (max-width: 834px) {
  .safe-main__nav-item:not(:first-of-type) {
    margin-top: 0;
  }
}
.safe-main__list {
  max-width: 98rem;
}
.safe-main__item:not(:first-of-type) {
  margin-top: 9rem;
  padding-top: 9rem;
  border-top: 1px solid #ddd;
}
@media screen and (max-width: 834px) {
  .safe-main__item:not(:first-of-type) {
    margin-top: 3rem;
    padding-top: 3rem;
  }
}
.safe-main__item .f42 {
  margin: 2rem 0;
}
@media screen and (max-width: 630px) {
  .safe-main__item .f42 {
    margin: 1rem 0;
    font-size: 2.6rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__item .f42 {
    font-size: 2.2rem;
  }
}
.safe-main__ttl-img {
  margin-bottom: 6rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ttl-img {
    margin-bottom: 2rem;
  }
}
.safe-main__ope {
  margin-top: 5rem;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-column-gap: 4rem;
  grid-row-gap: 5rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ope {
    margin-top: 3rem;
    grid-column-gap: 2rem;
    grid-row-gap: 3rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__ope {
    grid-template-columns: repeat(1, 1fr);
  }
}
.safe-main__ope-hg {
  margin: 3rem 0 2rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ope-hg {
    margin: 2rem 0;
  }
}
.safe-main__ope-hg .f24 {
  margin-top: 1.3rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ope-hg .f24 {
    margin-top: 1rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__ope-hg .f24 {
    font-size: 2rem;
  }
}
.safe-main__safe {
  margin-top: 5rem;
}
@media screen and (max-width: 834px) {
  .safe-main__safe {
    margin-top: 3rem;
  }
}
.safe-main__safe-item {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 3.5rem;
}
@media screen and (max-width: 834px) {
  .safe-main__safe-item {
    gap: 2rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__safe-item {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
  }
}
.safe-main__safe-item:not(:first-child) {
  margin-top: 4rem;
}
@media screen and (max-width: 834px) {
  .safe-main__safe-item:not(:first-child) {
    margin-top: 2rem;
  }
}
.safe-main__safe-img {
  min-width: 30rem;
}
@media screen and (max-width: 834px) {
  .safe-main__safe-img {
    min-width: 20rem;
  }
}
@media screen and (max-width: 630px) {
  .safe-main__safe-img {
    min-width: auto;
    width: 50%;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__safe-img {
    width: 100%;
  }
}
.safe-main__safe-cont {
  width: calc(100% - 33.5rem);
}
@media screen and (max-width: 834px) {
  .safe-main__safe-cont {
    width: calc(100% - 22rem);
  }
}
@media screen and (max-width: 630px) {
  .safe-main__safe-cont {
    width: 50%;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__safe-cont {
    width: 100%;
  }
}
.safe-main__safe-cont .f15 {
  margin-top: 2rem;
}
@media screen and (max-width: 450px) {
  .safe-main__safe-cont .f15 {
    margin-top: 1rem;
  }
}
.safe-main__safe-bnr {
  margin-top: 6rem;
  padding: 6rem 6rem 5.5rem;
  background: url(../img/safety/safe-bnr.webp) no-repeat top right/cover;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 834px) {
  .safe-main__safe-bnr {
    margin-top: 4rem;
    padding: 3rem;
    background-position: center center;
  }
}
.safe-main__safe-bnr .f30 {
  margin: 2rem 0 3rem;
}
.safe-main__safe-bnr .c-txt {
  max-width: 53rem;
}
.safe-main__ver {
  margin-top: 5rem;
  padding: 6rem;
  background-color: #f5f5f5;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ver {
    margin-top: 3rem;
    padding: 3rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__ver {
    padding: 2rem;
  }
}
.safe-main__ver .f15 {
  margin-top: 2rem;
}
.safe-main__ver-list {
  margin-top: 2.5rem;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-column-gap: 2.5rem;
  grid-row-gap: 3rem;
}
@media screen and (max-width: 834px) {
  .safe-main__ver-list {
    grid-column-gap: 1.5rem;
    grid-row-gap: 2rem;
  }
}
@media screen and (max-width: 450px) {
  .safe-main__ver-list {
    grid-template-columns: repeat(2, 1fr);
    grid-column-gap: 1rem;
  }
}
.safe-main__ver-item .f14 {
  margin-top: 1rem;
}
@media screen and (max-width: 450px) {
  .safe-main__ver-item .f14 {
    margin-top: 0.5rem;
  }
}