/* ---------------------
  common
--------------------- */
.inner.-l {
  max-width: 150rem;
}

.f20 {
  font-size: 2rem;
}
@media screen and (max-width: 834px) {
  .f20 {
    font-size: 1.8rem;
  }
}

.f26 {
  font-size: 2.6rem;
}
@media screen and (max-width: 834px) {
  .f26 {
    font-size: clamp(1.8rem, 5.6vw, 3.2vw);
  }
}

.f34 {
  font-size: 3.4rem;
}
@media screen and (max-width: 834px) {
  .f34 {
    font-size: clamp(1.8rem, 5.6vw, 2.8vw);
  }
}

.f46 {
  font-size: 4.6rem;
}
@media screen and (max-width: 834px) {
  .f46 {
    font-size: clamp(2rem, 5.6vw, 5.6vw);
  }
}

.f52 {
  font-size: 5.2rem;
}
@media screen and (max-width: 834px) {
  .f52 {
    font-size: clamp(2rem, 5.6vw, 5.6vw);
  }
}

.fc-blue {
  color: #3b9cff;
}

.c-txt {
  font-weight: 500;
}
@media screen and (max-width: 450px) {
  .c-txt.tac {
    text-align: left;
  }
  .c-txt.tac br {
    display: none;
  }
}

strong {
  font-weight: unset;
}

/* ---------------------
  problem05
--------------------- */
.problem06-intro__ttl {
  width: fit-content;
  margin: 0 auto 5rem;
  padding: 1.6rem 1.6rem 1.2rem;
  color: #fff;
  background: linear-gradient(90deg, rgb(2, 111, 237) 0%, rgb(1, 173, 247) 100%);
}
@media screen and (max-width: 834px) {
  .problem06-intro__ttl {
    margin-bottom: 2rem;
    padding: 1rem 1.5rem 0.7rem;
  }
}
.problem06-intro .f52 {
  margin: 5rem 0 3rem;
}
@media screen and (max-width: 834px) {
  .problem06-intro .f52 {
    margin: 2rem 0;
  }
}

.problem05-intro__box {
  position: relative;
  margin-top: 8rem;
  padding: 10rem 5%;
  background-color: #f5f5f5;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 834px) {
  .problem05-intro__box {
    margin-top: 5rem;
    padding: 3rem 5%;
  }
}
.problem05-intro__cont {
  position: relative;
  z-index: 2;
  max-width: 52rem;
}
.problem05-intro__cont .c-txt {
  margin-top: 3rem;
}
@media screen and (max-width: 834px) {
  .problem05-intro__cont .c-txt {
    margin-top: 2rem;
  }
}
.problem05-intro__img {
  position: absolute;
  top: 0;
  right: 0;
  z-index: 1;
  width: 55%;
}
@media screen and (max-width: 834px) {
  .problem05-intro__img {
    display: none;
  }
}
.problem05-intro__img img {
  border-radius: 0 1rem 0 0;
  -webkit-border-radius: 0 1rem 0 0;
}
.problem05-intro__list {
  position: relative;
  z-index: 2;
  margin-top: 5.5rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
  -webkit-flex-wrap: wrap;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  gap: 2rem;
}
@media screen and (max-width: 834px) {
  .problem05-intro__list {
    margin-top: 3rem;
    gap: 1rem;
  }
}
.problem05-intro__item {
  max-width: 52rem;
  width: 52rem;
  padding: 4rem 2rem;
  background-color: #fff;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 834px) {
  .problem05-intro__item {
    padding: 2rem 2rem 1rem;
  }
}
.problem05-intro__item .f28 {
  margin-top: 2rem;
}
@media screen and (max-width: 834px) {
  .problem05-intro__item .f28 {
    margin-top: 1rem;
  }
}
@media screen and (max-width: 500px) {
  .problem05-intro__item .f28 {
    font-size: 2rem;
  }
}
@media screen and (max-width: 500px) {
  .problem05-intro__item .f20 {
    font-size: 1.6rem;
  }
}
.problem05-intro__item .f12 {
  position: relative;
  top: -1em;
}
@media screen and (max-width: 500px) {
  .problem05-intro__item .f12 {
    top: -0.5em;
  }
}

.problem05-bg {
  margin-top: 12rem;
  padding-top: 5rem;
  background: url(../img/problem05/bg.webp) no-repeat top center/cover;
}
@media screen and (max-width: 834px) {
  .problem05-bg {
    margin-top: 5rem;
    padding-top: 3rem;
  }
}

.problem05-main {
  overflow: hidden;
}
.problem05-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: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 3rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__flex {
    position: relative;
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
}
.problem05-main__img {
  width: 50%;
}
@media screen and (max-width: 834px) {
  .problem05-main__img {
    position: absolute;
    top: 19vw;
  }
}
@media screen and (max-width: 450px) {
  .problem05-main__img {
    top: 23vw;
  }
}
.problem05-main__cont {
  max-width: 52rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__cont {
    max-width: 100%;
  }
}
.problem05-main__name {
  margin: 3rem 0 5rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: start;
  -ms-flex-align: start;
  align-items: flex-start;
  gap: 1.8rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__name {
    margin: 50vw auto 3rem;
  }
}
@media screen and (max-width: 600px) {
  .problem05-main__name .f32 {
    font-size: 2.5rem;
  }
}
.problem05-main__list {
  margin-top: 9rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__list {
    margin-top: 5rem;
  }
}
.problem05-main__item {
  padding: 10rem 15rem;
  background-color: #fff;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item {
    padding: 5rem 5%;
  }
}
@media screen and (max-width: 834px) {
  .problem05-main__item {
    padding: 3rem 5%;
  }
}
.problem05-main__item:not(:first-of-type) {
  margin-top: 10rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item:not(:first-of-type) {
    margin-top: 3rem;
  }
}
.problem05-main__item:last-of-type .c-hg {
  margin-bottom: 2rem;
}
.problem05-main__item-flex {
  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;
  gap: 3rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-flex {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 2rem;
  }
}
.problem05-main__item-cont {
  max-width: 70rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-cont {
    max-width: 100%;
  }
}
@media screen and (max-width: 450px) {
  .problem05-main__item-cont .c-hg_ttl {
    font-size: 2.2rem;
  }
  .problem05-main__item-cont .c-hg_ttl br {
    display: none;
  }
}
.problem05-main__item-img {
  max-width: 42rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-img {
    max-width: 100%;
  }
}
.problem05-main__item-exam {
  margin-top: 8rem;
  padding: 7rem;
  background-color: #e5f3fd;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-exam {
    padding: 3rem;
  }
}
@media screen and (max-width: 834px) {
  .problem05-main__item-exam {
    margin-top: 3rem;
    padding: 2rem;
  }
}
.problem05-main__item-exam__flex {
  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;
  gap: 3rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-exam__flex {
    -webkit-box-align: start;
    -ms-flex-align: start;
    align-items: flex-start;
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 2rem;
  }
}
@media screen and (min-width: 1101px) {
  .problem05-main__item-exam__flex .c-hg {
    min-width: fit-content;
  }
}
@media screen and (max-width: 600px) {
  .problem05-main__item-exam__flex .f28 {
    font-size: 4vw;
  }
}
@media screen and (max-width: 450px) {
  .problem05-main__item-exam__flex .f28 {
    font-size: 2.2rem;
  }
  .problem05-main__item-exam__flex .f28 br {
    display: none;
  }
}
.problem05-main__item-exam__flex .c-txt {
  max-width: 56rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__item-exam__flex .c-txt {
    max-width: 100%;
  }
}
.problem05-main__item-exam__list {
  position: relative;
  margin-top: 6rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 5.5rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__item-exam__list {
    margin-top: 3rem;
  }
}
@media screen and (max-width: 600px) {
  .problem05-main__item-exam__list {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
    gap: 5rem;
  }
}
.problem05-main__item-exam__list::before {
  position: absolute;
  content: "\e5c8";
  font-family: "Material Symbols Outlined";
  font-size: 2.4rem;
  top: calc(50% - 2.4rem);
  left: 50%;
  transform: translate(-50%, -50%);
  z-index: 1;
  color: #2468ae;
}
@media screen and (max-width: 600px) {
  .problem05-main__item-exam__list::before {
    top: 50%;
    transform: translate(-50%, -50%) rotate(90deg);
  }
}
.problem05-main__item-exam__item .fc-blue {
  margin-top: 1rem;
  color: #2468ae;
}
.problem05-main__item-bnr {
  max-width: 96rem;
  margin: 8rem auto 0;
  display: block;
}
@media screen and (max-width: 834px) {
  .problem05-main__item-bnr {
    margin-top: 3rem;
  }
}
.problem05-main__dtl-item:not(:first-of-type) {
  margin-top: 7rem;
  padding-top: 8rem;
  border-top: 1px dotted #ccc;
}
@media screen and (max-width: 834px) {
  .problem05-main__dtl-item:not(:first-of-type) {
    margin-top: 3rem;
    padding-top: 3rem;
  }
}
@media screen and (max-width: 834px) {
  .problem05-main__dtl-item .c-hg_ttl {
    font-size: 5vw;
  }
}
.problem05-main__dtl-flex {
  margin-top: 5rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  gap: 3rem;
}
@media screen and (max-width: 1200px) {
  .problem05-main__dtl-flex {
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
}
@media screen and (max-width: 834px) {
  .problem05-main__dtl-flex {
    margin-top: 4rem;
  }
}
.problem05-main__dtl-cont {
  margin-top: 5rem;
  width: 50%;
  min-width: 56rem;
}
@media screen and (max-width: 1200px) {
  .problem05-main__dtl-cont {
    margin-top: 0;
    min-width: auto;
    width: 100%;
  }
}
.problem05-main__dtl-cont .c-txt {
  margin-top: 3rem;
}
@media screen and (max-width: 834px) {
  .problem05-main__dtl-cont .c-txt {
    margin-top: 2rem;
  }
}
.problem05-main__dtl-img {
  width: 45%;
}
@media screen and (max-width: 1200px) {
  .problem05-main__dtl-img {
    width: 100%;
  }
}
.problem05-main__dtl-pro {
  margin-top: 5rem;
  padding: 4rem 7rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  gap: 3rem;
  background-color: #e5f3fd;
  border-radius: 1rem;
  -webkit-border-radius: 1rem;
}
@media screen and (max-width: 1100px) {
  .problem05-main__dtl-pro {
    padding: 3rem;
    -webkit-box-direction: normal;
    -webkit-box-orient: horizontal;
    -ms-flex-direction: column-reverse;
    flex-direction: column-reverse;
  }
}
@media screen and (max-width: 834px) {
  .problem05-main__dtl-pro {
    margin-top: 3rem;
  }
}
.problem05-main__dtl-pro__img {
  max-width: 28rem;
}
.problem05-main__dtl-pro__cont {
  max-width: 71rem;
}
.problem05-main__dtl-pro__cont .f28 {
  font-size: 2.4rem;
}
@media screen and (max-width: 600px) {
  .problem05-main__dtl-pro__cont .f28 {
    font-size: 3.8vw;
  }
}
@media screen and (max-width: 450px) {
  .problem05-main__dtl-pro__cont .f28 {
    font-size: 2.2rem;
  }
}
.problem05-main__dtl-pro__cont .c-txt {
  margin-top: 2rem;
}

.problem05-main__slide {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.problem05-main__slide:first-of-type {
  animation: slider-first 200s -100s infinite linear;
}
.problem05-main__slide:last-of-type {
  animation: slider-last 200s infinite linear;
}
.problem05-main__slide-wrap {
  margin-top: 7rem;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
@media screen and (max-width: 834px) {
  .problem05-main__slide-wrap {
    margin-top: 3rem;
  }
}
.problem05-main__slide-img {
  width: 28.5rem;
  margin-right: 2rem;
  padding: 1rem 2.7rem;
  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;
  background-color: #f5f5f5;
  box-shadow: 0 0 8px 0 rgba(0, 0, 0, 0.07);
}
@media screen and (max-width: 834px) {
  .problem05-main__slide-img {
    max-width: 20rem;
    margin-right: 1rem;
    padding: 1rem;
  }
}
@media screen and (max-width: 450px) {
  .problem05-main__slide-img {
    width: 15rem;
  }
}

@keyframes slider-first {
  from {
    transform: translate(100%, 0);
  }
  to {
    transform: translate(-100%, 0);
  }
}
@keyframes slider-last {
  from {
    transform: translate(0, 0);
  }
  to {
    transform: translate(-200%, 0);
  }
}