/*==================================================
section Problem
===================================*/
.problem {
  position: relative;
  padding-top: 8.5rem;
  padding-bottom: 7rem;
}

@media screen and (max-width: 480px) {
  .problem {
    padding-top: 6rem;
    padding-bottom: 0;
  }
}

.problem .inner {
  position: relative;
  z-index: 2;
}

.problem_wrapper {
  display: flex;
  align-items: center;
  gap: 9rem;
}

@media screen and (max-width: 480px) {
  .problem_wrapper {
    gap: 2rem;
    flex-direction: column-reverse;
    align-items: flex-start;
  }
}

.problem_content {
  width: auto;
}

@media screen and (max-width: 480px) {
  .problem_content {
    width: 100%;
  }
}

.problem_image {
  width: calc(50% - 9rem);
}

@media screen and (max-width: 480px) {
  .problem_image {
    width: 100%;
  }
}

.problem_title {
  font-family: "Cormorant Garamond", serif;
  font-size: 10rem;
  line-height: 1;
  letter-spacing: 0.06rem;
  text-transform: uppercase;
  margin-bottom: 3rem;
}

@media screen and (max-width: 480px) {
  .problem_title {
    font-size: 6.4rem;
    margin-bottom: 1rem;
    width: 100%;
    text-align: center;
  }
}

.problem_lead {
  font-family: "Noto Serif JP", serif;
  font-size: 2.6rem;
  letter-spacing: 0.06rem;
  line-height: 3.8rem;
  margin-bottom: 1rem;
}

@media screen and (max-width: 480px) {
  .problem_lead {
    font-size: 2.4rem;
    text-align: center;
  }
}

@media screen and (max-width: 480px) {
  .problem_list {
    margin: 0 auto;
  }
}

.problem_list_item {
  position: relative;
  font-size: 1.6rem;
  letter-spacing: 0.08rem;
  padding: 2rem 0 2rem 5rem;
  border-bottom: solid 1px #e8e8e8;
}

@media screen and (max-width: 480px) {
  .problem_list_item {
    padding: 1.5rem 0 1.5rem 2.5rem;
    letter-spacing: 0.02rem;
    font-size: 1.3rem;
  }
}

.problem_list_item::before {
  content: "";
  width: 2.5rem;
  height: 2rem;
  display: block;
  background: url(../img/icon_checkmark.svg) no-repeat;
  background-size: contain;
  position: absolute;
  top: 50%;
  left: 1.5rem;
  transform: translateY(-50%);
}

@media screen and (max-width: 480px) {
  .problem_list_item::before {
    width: 2rem;
    height: 1.5rem;
    left: 0;
  }
}

.problem_name__sideScroll {
  display: flex;
  -webkit-column-gap: 2rem;
  -moz-column-gap: 2rem;
  column-gap: 2rem;
  overflow: hidden;
  margin-top: -4rem;
}

@media screen and (min-width: 768px) {
  .problem_name__sideScroll {
    -webkit-column-gap: min(2.36vw, 3.4rem);
    -moz-column-gap: min(2.36vw, 3.4rem);
    column-gap: min(2.36vw, 3.4rem);
    margin-top: -6rem;
  }
}

.problem_name__sideScrollImg {
  z-index: 1;
  position: relative;
  flex-shrink: 0;
  width: 330rem;
  animation: loopSlide 80s infinite linear;
}

@media screen and (min-width: 768px) {
  .problem_name__sideScrollImg {
    width: 490rem;
  }
}

.problem_name__sideScrollImg::before {
  padding-top: 5.2933392148%;
}

@keyframes loopSlide {
  0% {
    -webkit-transform: translateX(0);
    transform: translateX(0);
  }

  100% {
    -webkit-transform: translateX(-100%);
    transform: translateX(-100%);
  }
}

/*==================================================
section Problem END
===================================*/