.p-sec.-bg-gray {
  background-color: #F8F8F8;
}
.p-sec.-bg-white {
  background-color: #FFFFFF;
}

.p-sec_inner {
  padding: 80px 20px 0;
}

.p-top_title {
  margin-bottom: 40px;
  color: #141F2E;
  line-height: 1;
}
.p-top_title .-en {
  display: block;
  margin-bottom: 4px;
  font-family: "Roboto", sans-serif;
  font-size: 5rem;
  font-weight: 100;
}
.p-top_title .-jp {
  display: inline-block;
  position: relative;
  padding: 0 16px;
  font-size: 1.8rem;
  font-weight: 700;
}
.p-top_title .-jp::before, .p-top_title .-jp::after {
  content: "";
  position: absolute;
  top: 0;
  width: 1px;
  height: 20px;
  background-color: #141F2E;
  transform: rotate(30deg);
}
.p-top_title .-jp::before {
  left: 0;
}
.p-top_title .-jp::after {
  right: 0;
}

.p-top_text {
  color: #141F2E;
  font-size: 1.4rem;
  line-height: 2;
}

.p-top-mv {
  padding-bottom: 48px;
  background: url(../img/bg_top_mv_sp.png) 0 0/100% no-repeat;
}

.p-top-mv_inner {
  position: relative;
  padding: 24px 20px;
}

.p-top-mv__title {
  padding: 40px 0;
  color: #141F2E;
  font-family: "Roboto", sans-serif !important;
  font-size: 6.8rem;
  font-weight: 500;
  line-height: 0.9;
  letter-spacing: -0.016em;
}

.p-top-mv__lead {
  margin-bottom: 16px;
  color: #141F2E;
  font-size: 1.8rem;
  font-weight: 600;
  text-shadow: 0 0 10px white;
}

.p-top-mv__text {
  margin-bottom: 32px;
  color: #141F2E;
  font-size: 1.4rem;
  text-shadow: 0 0 10px white;
}

.p-top-mv__btn {
  display: flex;
  justify-content: center;
  align-items: center;
  position: relative;
  width: 295px;
  height: 68px;
  margin: 0 auto;
  background-color: #144B84;
  color: #FFFFFF;
}
.p-top-mv__btn:focus-visible {
  background-color: #5879A7;
  color: #FFFFFF;
  opacity: 1;
}
.p-top-mv__btn:focus-visible::after {
  background-color: #5879A7;
}
.p-top-mv__btn::before, .p-top-mv__btn::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 18px;
  height: 1px;
  transform: translateY(-50%);
}
.p-top-mv__btn::before {
  right: 0;
  background-color: #FFFFFF;
}
.p-top-mv__btn::after {
  right: -18px;
  background-color: #144B84;
}
.p-top-mv__btn span {
  font-size: 1.6rem;
}

.p-strengths {
  padding: 0 20px 80px;
}

.p-strengths_title {
  margin-top: 72px;
  color: #141F2E;
  font-size: 1.6rem;
}

.p-strengths_list {
  margin-top: 24px;
  color: #141F2E;
}
.p-strengths_list li {
  display: flex;
}
.p-strengths_list li + li {
  margin-top: 20px;
}
.p-strengths_list .-num {
  font-family: "Roboto", sans-serif;
  font-size: 2rem;
}
.p-strengths_list .-text {
  margin-left: 8px;
  font-size: 1.2rem;
}

.p-strengths_img {
  margin-top: 24px;
}
.p-strengths_img img {
  max-width: 100%;
  height: auto;
}

.p-service {
  margin-bottom: 40px;
}

.p-service-menu {
  position: relative;
  background-color: #F8F8F8;
  z-index: 1;
}
.p-service-menu_item button {
  display: flex;
  align-items: center;
  position: relative;
  width: 136px;
  height: 54px;
  padding: 2px 0 0 12px;
  background-color: #F8F8F8;
  border: 1px solid #F8F8F8;
  border-right: 1px solid #D5D5D5;
  border-top: 1px solid #D5D5D5;
  color: #141F2E;
  font-size: 1.4rem;
  line-height: 1.4;
  text-align: left;
  cursor: pointer;
  transition: background-color ease-out 0.1s, border ease-out 0.1s;
}
.p-service-menu_item button::before {
  content: "";
  position: absolute;
  top: 50%;
  right: -8px;
  width: 7px;
  height: 12px;
  background-color: #F8F8F8;
  clip-path: polygon(7px 50%, 0% 0%, 0% 12px);
  transform: translateY(-50%);
  pointer-events: none;
  transition: background-color ease-out 0.1s;
}
.p-service-menu_item:nth-of-type(1) button {
  border-top: 1px solid #F8F8F8;
}

.p-service-submenu {
  position: absolute;
  top: 0;
  left: 135px;
  width: calc(100% - 135px);
  height: 100%;
  padding: 16px 20px 20px;
  background-color: #F8F8F8;
  border-left: 1px solid #D5D5D5;
  box-sizing: border-box;
  overflow-y: auto;
}

.p-service-submenu_item a {
  display: flex;
  align-items: center;
  position: relative;
  height: 48px;
  padding-right: 12px;
  background-color: #F8F8F8;
  border-bottom: 1px solid #D5D5D5;
  color: #141F2E;
  font-size: 1.2rem;
  line-height: 1.4;
}
.p-service-submenu_item a::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 5px;
  height: 12px;
  background: url(../common/img/icon_arrow_cl_main.svg) 0 0/100% no-repeat;
  transform: translateY(-50%);
}

.p-service-menu_item.is-open button {
  background-color: #FFFFFF;
  border: 1px solid #141F2E;
  z-index: 1;
  transition: border ease-out 0.3s;
}
.p-service-menu_item.is-open button::before {
  background-color: #141F2E;
}
.p-service-menu_item.is-open + .p-service-menu_item button {
  border-top: 1px solid #F8F8F8;
}

.p-service-submenu {
  opacity: 0;
  visibility: hidden;
  transition: opacity ease-out 0.1s, visibility ease-out 0.1s;
}
.is-open .p-service-submenu {
  opacity: 1;
  visibility: visible;
}

.p-solution_list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  grid-template-rows: 4/5fr repeat(2, 1fr);
  grid-column-gap: 40px;
  grid-row-gap: 40px;
}

.p-solution_item {
  position: relative;
}
.p-solution_item:nth-of-type(n+1):nth-of-type(-n+4)::before {
  content: "";
  position: absolute;
  bottom: -20px;
  left: 0;
  width: 100%;
  height: 1px;
  background-color: #D5D5D5;
}
.p-solution_item:nth-of-type(2n+1)::after {
  content: "";
  position: absolute;
  top: 0;
  right: -20px;
  width: 1px;
  height: 100%;
  background-color: #D5D5D5;
}

.p-solution_link {
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  height: 100%;
  padding-bottom: 32px;
  box-sizing: border-box;
}
.p-solution_link .-text {
  margin-top: 20px;
  color: #141F2E;
  font-size: 1.4rem;
  text-align: center;
}
.p-solution_link::before {
  content: "";
  position: absolute;
  bottom: 8px;
  left: 50%;
  width: 5px;
  height: 12px;
  background: url(../common/img/icon_arrow_cl_main.svg) 0 0/100% no-repeat;
  transform: translateX(-50%);
}
.p-solution_link:focus-visible {
  background-color: #F8F8F8;
  opacity: 1;
}

.p-case {
  padding-bottom: 80px;
}

.p-case_list {
  margin-bottom: 40px;
}
.p-case_item + .p-case_item {
  margin-top: 40px;
}

.p-case_link {
  width: 100%;
}
.p-case_link figure {
  position: relative;
}
.p-case_link figcaption {
  display: inline-block;
  position: absolute;
  top: 0;
  left: 0;
  padding: 4px 12px;
  background-color: #141F2E;
  color: #FFFFFF;
  font-size: 1.2rem;
  line-height: 1;
}
.p-case_link img {
  width: 100%;
  height: auto;
}
.p-case_link .-title {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  position: relative;
  overflow: hidden;
  padding-right: 24px;
  margin-top: 16px;
  color: #141F2E;
  font-size: 1.4rem;
  font-weight: 700;
}
.p-case_link .-title::before {
  content: "";
  position: absolute;
  top: 50%;
  right: 0;
  width: 5px;
  height: 12px;
  background: url(../common/img/icon_arrow_cl_main.svg) 0 0/100% no-repeat;
  transform: translateY(-50%);
}
.p-case_link .-text {
  margin-top: 8px;
  color: #141F2E;
  font-size: 1.4rem;
}

.p-info {
  padding-bottom: 80px;
}

@media (min-width: 768px) {
  .p-sec_inner {
    width: 960px;
    margin: 0 auto;
    padding: 120px 0 0;
  }
  .p-top_title .-en {
    font-size: 8rem;
  }
  .p-top_text {
    font-size: 1.6rem;
  }
  .p-top-mv {
    position: relative;
    height: 613px;
    padding-bottom: 0;
    background: none;
  }
  .p-top-mv::before {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    width: 956px;
    height: 613px;
    background: url(../img/bg_top_mv_pc.png) 0 0/100% no-repeat;
  }
  .p-top-mv_inner {
    width: 550px;
    padding: 0 0 0 20px;
  }
  .p-top-mv__title {
    font-size: 10rem;
  }
  .p-top-mv__lead {
    font-size: 2rem;
  }
  .p-top-mv__btn {
    width: 400px;
    margin: 0;
    transition: background-color ease-out 0.3s;
  }
  .p-top-mv__btn:hover {
    background-color: #5879A7;
    color: #FFFFFF;
    opacity: 1;
  }
  .p-top-mv__btn:hover::after {
    background-color: #5879A7;
  }
  .p-top-mv__btn::after {
    transition: background-color ease-out 0.3s;
  }
  .p-strengths {
    padding: 0 38px 114px;
  }
  .p-strengths_title {
    font-size: 1.8rem;
  }
  .p-strengths_list li + li {
    margin-top: 24px;
  }
  .p-strengths_list .-num {
    font-size: 2.8rem;
  }
  .p-strengths_list .-text {
    margin-left: 12px;
    font-size: 1.4rem;
  }
  .p-strengths_img {
    margin-top: 40px;
  }
  .p-service-menu_item {
    width: 320px;
  }
  .p-service-menu_item button {
    width: 320px;
    height: 75px;
    padding: 0 20px;
    font-size: 1.6rem;
  }
  .p-service-menu_item button::before {
    right: -12px;
    width: 11px;
    height: 19px;
    clip-path: polygon(11px 50%, 0% 0%, 0% 19px);
  }
  .p-service-submenu {
    left: 319px;
    padding: 24px 80px 36px;
    width: calc(100% - 320px);
  }
  .p-service-submenu_item a {
    height: 60px;
    font-size: 1.6rem;
  }
  .p-solution_list {
    grid-template-columns: repeat(6, 1fr);
    grid-template-rows: 1fr;
    grid-column-gap: 0;
    grid-row-gap: 0;
  }
  .p-solution_item:nth-of-type(n+1):nth-of-type(-n+4)::before {
    top: 0;
    bottom: inherit;
    width: 1px;
    height: 100%;
  }
  .p-solution_item:nth-of-type(2n+1)::after {
    content: none;
  }
  .p-solution_item::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 1px;
    height: 100%;
    background-color: #D5D5D5;
  }
  .p-solution_item:nth-last-of-type(1)::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 1px;
    height: 100%;
    background-color: #D5D5D5;
  }
  .p-solution_link {
    height: 135px;
    padding-bottom: 0;
    transition: background-color ease-out 0.3s;
  }
  .p-solution_link .-text {
    display: flex;
    height: 42px;
    justify-content: center;
    align-items: center;
  }
  .p-solution_link::before {
    bottom: 0;
  }
  .p-solution_link:hover {
    background-color: #F8F8F8;
    opacity: 1;
  }
  .p-case {
    padding-bottom: 120px;
  }
  .p-case_list {
    display: flex;
  }
  .p-case_item {
    width: 292px;
  }
  .p-case_item + .p-case_item {
    margin-top: 0;
    margin-left: 42px;
  }
  .p-case_link {
    transition: opacity ease-out 0.3s;
  }
  .p-case_link figcaption {
    font-size: 1.4rem;
  }
  .p-info {
    padding-bottom: 120px;
  }
}

@media (min-width: 1080px) {
  .p-top-mv_inner {
    position: absolute;
    top: 0;
    right: 50%;
    height: 568px;
    padding: 0;
    transform: translateX(20px);
  }
}