.main-solution {
  margin-top: 120px;
}

.main-solution__title {
  padding-bottom: 80px;
  margin: 0 80px;
  font-size: 48px;
  font-style: normal;
  font-weight: 600;
  line-height: 130%; /* 62.4px */
  letter-spacing: 0.48px;
}

.main-solution__title--hidden-pc {
  display: none;
}

.main-solution__example-container {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 120px;
  margin-left: 80px;
}

.main-solution__example-list {
  display: grid;
  grid-template-rows: repeat(5, 1fr);
  grid-template-columns: repeat(2, 311px);
  grid-auto-flow: column;
  column-gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
}

@media (hover: hover) {
  .main-solution__example-list {
    column-gap: 0;
  }
}

@media (hover: hover) {
  .main-solution__example-inner {
    padding-left: 24px;
    background-color: #fff;
    border-radius: 10px;
    transition: box-shadow var(--transition-hover);
  }

  .main-solution__example-inner--hover {
    z-index: 10;
    padding-block: 7px;
    margin-block: -7px;
    box-shadow: 0 0 20px 0 #e7ece7;
  }
}

.main-solution__example-item {
  display: inline-grid;
  grid-template-columns: 1fr 50px;
  gap: 8px 14px;
  align-items: center;
  width: 100%;
  height: 100%;
  padding-block: 16px;
  padding-right: 16px;
  border-bottom: 1px solid var(--pale-gray);
  transition: opacity var(--transition-hover);
}

.main-solution__example-item--inactive {
  z-index: -1;
  opacity: 0.4;
}

@media (hover: hover) {
  .main-solution__example-item {
    grid-template-columns: 50px 1fr;
    padding-block: 14px;
    padding-right: 0;
  }

  .main-solution__example-item:hover {
    border-bottom: 0;
  }

  .main-solution__example-item:hover .button-primary__icon {
    background-color: var(--green);
    border: 2px solid var(--green);
  }

  .main-solution__example-item:hover .button-primary__icon img {
    filter: brightness(0) invert(1);
    animation: 0.5s cubic-bezier(0.215, 0.61, 0.355, 1) forwards;
    animation-name: icon-skew-forward;
  }

  .main-solution__example-item:hover .main-solution__example-icon--normal {
    opacity: 0;
  }

  .main-solution__example-item:hover .main-solution__example-icon--hover {
    opacity: 1;
  }
}

.main-solution__example-icon {
  position: relative;
  display: flex;
  justify-content: center;
  order: 2;
}

.main-solution__example-icon--normal {
  display: none;
  opacity: 1;
  transition: opacity var(--transition-hover);
}

@media (hover: hover) {
  .main-solution__example-icon {
    grid-row: span 2;
    order: 0;
  }

  .main-solution__example-icon--normal {
    display: block;
  }

  .main-solution__example-icon--hover {
    position: absolute;
    top: 50%;
    left: 50%;
    opacity: 0;
    transition: opacity var(--transition-hover);
    transform: translate(-50%, -50%);
  }
}

.main-solution__example-title {
  display: flex;
  column-gap: 8px;
  align-items: center;
  font-size: 20px;
  font-style: normal;
  font-weight: 500;
  line-height: 160%; /* 32px */
}

.main-solution__image-wrapper {
  position: relative;
}

.main-solution__example-categories {
  display: none;
  height: 34px;
  font-size: 12px;
  font-weight: 300;
  line-height: 140%; /* 16.8px */
  color: var(--gray);
}

@media (hover: hover) {
  .main-solution__example-categories {
    display: block;
  }
}

.main-solution__image {
  height: auto;
  overflow: hidden;
  border-radius: 10px 0 0 10px;
  opacity: 0;
  transition: opacity var(--transition-hover);
}

.main-solution__image--visible {
  opacity: 1;
}

.main-solution__image:not(:first-child) {
  position: absolute;
  top: 0;
}

.main-solution__achievement-container {
  display: grid;
  grid-template-columns: 36.3% 53.8%;
  gap: 120px;
  margin-bottom: 160px;
  margin-left: 80px;
}

.main-solution__achievement-title {
  font-size: 34px;
  font-style: normal;
  font-weight: 600;
  line-height: 140%; /* 47.6px */
}

.main-solution__achievement-text {
  margin-bottom: 40px;
  line-height: 170%; /* 27.2px */
}

.main-solution__achievement-link {
  max-width: 311px;
  height: 60px;
  border-radius: 60px;
  box-shadow: 0 0 10px 0 #e8f5ef;
}

.main-solution__achievement-link--hidden-pc {
  display: none;
}

.main-solution__achievement-link .text-link {
  justify-content: center;
  height: 100%;
}

.main-solution__achievement-image {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 32px;
  margin-top: 90px;
}

.main-solution__achievement-swiper {
  pointer-events: none;
}

.main-solution__achievement-swiper .swiper-wrapper {
  transition-timing-function: linear !important;
}

.main-solution__achievement-swiper .swiper-slide {
  width: 188px;
}

.main-solution__achievement-mask {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 10;
  width: 120px;
  height: 100%;
  background: linear-gradient(270deg, transparent 0%, #fff 100%);
}

.main-solution__system-container {
  display: grid;
  grid-template-columns: 47.2% 36.3%;
  gap: 110px;
  margin-right: 80px;
  margin-left: 45px;
}

.main-solution__system-image {
  position: relative;
  width: 100%;
  height: fit-content;
}

.main-solution__system-body {
  height: auto;
}

.main-solution__system-layer,
.main-solution__system-circle-inside,
.main-solution__system-circle-outside {
  position: absolute;
  top: 52.5%;
  left: 50.5%;
  z-index: -1;
  height: auto;
  transform: translate(-50%, -50%);
  animation: 70s linear infinite infinite-rotate-system;
}

.main-solution__system-layer {
  width: 39.1%;
}

.main-solution__system-circle-inside {
  width: 53%;
  animation-name: infinite-rotate-system-reverse;
}

.main-solution__system-circle-outside {
  width: 74.7%;
}

@media (width <= 1260px) {
  .main-solution__title {
    margin: 0;
  }

  .main-solution__example-container {
    margin-left: 0;
  }

  .main-solution__image-wrapper {
    margin-right: -40px;
  }

  .main-solution__achievement-container {
    grid-template-columns: 1fr 53.8%;
    gap: 80px;
    margin-left: 0;
  }

  .main-solution__system-container {
    grid-template-columns: 47.2% 1fr;
    gap: 80px;
    margin: 0;
  }
}

@media (width <= 1024px) {
  .main-solution__title {
    margin: 0;
  }

  .main-solution__modal {
    display: none;
  }

  .main-solution__image {
    display: none;
  }

  .main-solution__example-container {
    display: block;
    margin: 0;
  }

  .main-solution__example-list {
    grid-template-rows: initial;
    grid-template-columns: repeat(2, 1fr);
    grid-auto-flow: row;
    gap: 8px 24px;
  }

  .main-solution__achievement-container {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .main-solution__achievement-link {
    margin: 0 auto;
  }

  .main-solution__achievement-link--hidden-pc {
    display: flex;
    order: 2;
    width: fit-content;
    margin: 0 auto;
  }

  .main-solution__achievement-link--hidden-sp {
    display: none;
  }

  .main-solution__achievement-image {
    margin: 0 -40px;
  }

  .main-solution__achievement-image img {
    width: 100%;
    max-width: initial;
  }

  .main-solution__achievement-swiper {
    width: 100vw;
  }

  .main-solution__achievement-swiper .swiper-slide {
    width: 160px;
    height: auto;
  }

  .main-solution__achievement-mask {
    display: none;
  }

  .main-solution__system-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .main-solution__system-image {
    order: 1;
    width: fit-content;
    margin: 0 auto;
  }
}

@media (width < 768px) {
  .main-solution {
    margin-top: 0;
  }

  .main-solution__title {
    padding-bottom: 40px;
    font-size: 30px;
    line-height: 150%; /* 45px */
  }

  .main-solution__title--hidden-pc {
    display: block;
  }

  .main-solution__title--hidden-sp {
    display: none;
  }

  .main-solution__example-list {
    grid-template-columns: 1fr;
  }

  .main-solution__achievement-title {
    font-size: 25px;
  }

  .main-solution__achievement-text {
    margin-bottom: 0;
    font-size: 15px;
  }

  .main-solution__achievement-swiper .swiper-slide {
    width: 95px;
  }

  .main-solution__achievement-container {
    margin-bottom: 0;
  }

  .main-solution__achievement-link {
    max-width: 280px;
  }

  .main-solution__achievement-image {
    gap: 16px;
    margin: 0 -20px;
  }

  .main-solution__system-image {
    width: 335px;
    margin: 0 auto;
  }

  .main-solution__system-layer,
  .main-solution__system-circle-inside,
  .main-solution__system-circle-outside {
    top: 52.5%;
    left: 50%;
    width: 130px;
    height: 130px;
  }

  .main-solution__system-circle-inside {
    width: 176px;
    height: 176px;
  }

  .main-solution__system-circle-outside {
    width: 248px;
    height: 248px;
  }
}

@keyframes infinite-rotate-system {
  0% {
    transform: translate(-50%, -50%) rotate(0deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(360deg);
  }
}

@keyframes infinite-rotate-system-reverse {
  0% {
    transform: translate(-50%, -50%) rotate(360deg);
  }

  100% {
    transform: translate(-50%, -50%) rotate(0deg);
  }
}