@charset "UTF-8";

/* CSS Document */
body {
  font-family: "Hiragino Kaku Gothic", "Hiragino Kaku Gothic ProN", "Hiragino Sans", 游ゴシック体, YuGothic, "游ゴシック Medium", "Yu Gothic Medium", Meiryo, sans-serif;
  font-size: 16px !important;
  line-height: 1 !important;
  margin: 0;
  padding: 0;
  -webkit-text-size-adjust: 100%;
  overflow: visible;
}
.breadcrumb-list {
  background-color: #e4e5e6;
  height: 40px;
  display: flex;
  align-items: center;
}
.breadcrumb-list ol {
  background-color: #e4e5e6;
  display: flex;
}
.breadcrumb-list ol li {
  margin-right: 4px;
  color: #35363b;
}
.breadcrumb-list ol li a {
  text-decoration: none;
  color: #35363b;
}
.breadcrumb-list ol li span::before {
  content: "＞";
  margin-right: 4px;
}
@media screen and (min-width: 1025px) {
  .header-image {
    background: url(../images/choose-kv.png) center top no-repeat;
    background-size: contain;
    /* height: 490px; */
    width: 100%;
    position: relative;
  }
  .header-image .header_title {
    margin: 0 auto;
    /* width: 980px; */
  }

  .howtochoose-title {
    color: #df0000;
    font-size: 25px;
    padding-top: 40px;
    padding-left: 50%;
    width: 100%;
    aspect-ratio: 1366/558;
  }

  .howtochoose-title h1 {
    font-size: 60px;
    padding-top: 16px;
    font-weight: 700;
    color: black;
  }
  .header-bottom {
    height: 15.02%;
    color: white;
    font-size: 50px;
    padding-left: 40px;
    position: absolute;
    bottom: 0;
    display: none;
    align-items: center;
  }

  .how-to-choose-main {
    padding-top: 48px;
    padding-bottom: 80px;
    background-color: #f1f2f2;
  }

  .accordion {
    max-width: 1166px;
    /* background-color: #f2f2f2; */
    margin: 0 auto;
  }

  .accordion:not([open]) {
    margin-bottom: 16px;
  }

  .accordion summary {
    display: flex;
    align-items: center;
    position: relative;
    padding: 16px 24px;
    background-color: #35363b;
    color: white;
    font-weight: 900;
    font-size: 32px;
    cursor: pointer;
    background-repeat: no-repeat;
    background-size: 30px;
    background-position: right 40px center;
  }
  .accordion summary .choose-title {
    margin: 0 !important;
    color: white !important;
    font-size: 32px !important;
  }
  .accordion summary span {
    color: white;
    font-style: bold;
    font-size: 46px;
    padding-right: 30px;
  }

  .accordion:not([open]) summary {
    background-image: url(../images/accordion-plus.svg);
  }
  .accordion[open] summary {
    background-image: url(../images/accordion-minus.svg);
  }

  .accordion summary::-webkit-details-marker {
    display: none;
  }

  .accordion .accordion-contents {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    color: #333333;
    font-size: 18px;
    line-height: 28px;
    /* transition: transform 0.5s, opacity 0.5s; */
  }

  .accordion .accordion-contents span {
    color: #df0000;
  }

  .accordion[open] .accordion-contents {
    transform: none;
    opacity: 1;
    margin-bottom: 16px;
    /* background-color: #d7d8da; */
  }
  .common-content {
    display: flex;
  }
  .accordion-contents span {
    display: block;
    width: calc(100% - 24px);
    height: 1px;
    background-color: #35363b;
    margin: 0 auto;
  }
  .explain-wrapper {
    padding: 0 40px;
    margin-top: 92px;
    width: 50%;
  }
  .accordion:nth-child(3) .explain-wrapper,
  .accordion:nth-child(5) .explain-wrapper {
    margin-top: 40px;
  }
  .accordion:nth-child(4) .explain-wrapper {
    margin-top: 60px;
  }
  .number {
    color: #35363b;
    border-bottom: #35363b;
    border-width: 0 0 4px 0;
    width: fit-content;
    border-style: solid;
    font-weight: 900;
    font-size: 24px;
  }
  .topic-summary {
    margin-top: 32px;
    margin-bottom: 40px;
    color: #df0000;
    font-weight: 900;
    font-size: 28px;
    line-height: 42px;
  }
  .accordion:nth-child(3) .topic-summary,
  .accordion:nth-child(4) .topic-summary {
    margin-bottom: 36px;
  }
  .topic-explain {
    color: #35363b;
    font-weight: 400;
    font-size: 18px;
    line-height: 30px;
  }
  .image-wrapper {
    margin-top: 40px;
    margin-bottom: 40px;
    width: 49.14%;
  }
  .image-wrapper img {
    width: 100%;
  }

  .power-kind-wrapper {
    display: flex;
    justify-content: space-between;
    width: calc(100% - 24px);
    margin: 40px 12px 80px;
  }

  .power-item {
    max-width: 360px;
    background-color: white;
    padding: 32px 0;
  }
  .power-item:nth-child(2) {
    margin: 0 32px;
  }
  .item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 24px;
  }
  .item-image {
    margin-top: 32px;
    width: 100%;
  }
  .item-image img {
    width: 100%;
  }
  .power-more-button {
    border: 1px solid red;
    margin: 40px auto 0;
    width: 296px;
    background-color: #df0000;
  }
  .power-more-button {
    max-width: 480px;
    margin: 24px auto 0 auto;
    border-color: transparent;
  }

  .power-more-button a {
    color: white;
    display: block;
    font-size: 14px;
    padding: 10px 16px;
    text-align: start;
    text-decoration: none;
    transition: all 0.6s;
    font-weight: 700;
    background-image: url(../images/btn-arrow.svg);
    background-repeat: no-repeat;
    background-size: 16px;
    background-position: right 16px center;
  }

  .operate-type,
  .type-kind-wrapper {
    width: calc(100% - 24px);
    margin: 40px 12px 48px;
  }

  .type-title {
    color: #35363b;
    width: calc(100% - 24px);
    font-size: 28px;
    text-align: center;
    margin: 0 auto;
  }
  .type-kind-wrapper {
    display: flex;
    justify-content: space-between;
  }
  .type-kind-wrapper {
    margin: 40px 12px 80px;
  }
  .tiller {
    margin-bottom: 48px;
  }
  .type-item {
    max-width: 556px;
    background-color: white;
    padding: 32px 0;
  }
  .type-item:nth-child(1) {
    margin-right: 16px;
  }
  .type-item:nth-child(2) {
    margin-left: 16px;
  }
  .type-item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 24px;
  }

  .type-image {
    margin-top: 32px;
    width: 100%;
    text-align: center;
  }
  .type-image img {
    width: 86.33%;
  }
  .type-explain {
    padding: 32px 38px 0;
    width: 100%;
    /* text-align: center; */
  }
  .height-explain-wrapper {
    width: calc(100% - 24px);
    margin: 0 12px;
    display: flex;
  }
  .height-explain-area {
    height: 72px;
    width: 50%;
    margin-top: 40px;
  }
  .transam-height {
    background-color: #ffd5d6;
  }
  .port-transam-height {
    background-color: #ffb0b2;
  }
  .height-title {
    font-family: 900;
    text-align: center;
    margin: 12px 0 0 0;
    font-size: 16px;
  }
  .height-explain {
    font-family: 900;
    font-size: 12px;
    text-align: center;
  }
  .transom-explain {
    font-size: 28px;
    margin-top: 40px;
    text-align: center;
  }
  .transam-image {
    margin-top: 32px;
    width: 100%;
  }
  .transam-image img {
    width: 100%;
  }
  .set-place {
    margin-bottom: 80px;
  }
  .tilt-kind-wrapper {
    display: flex;
    justify-content: space-between;
    margin: 40px auto 64px;
    width: calc(100% - 24px);
  }
  .tilt-item {
    max-width: 360px;
    background-color: white;
    padding: 32px 0;
    margin: 0 auto;
  }
  .tilt-item:nth-child(2) {
    margin: 0 32px;
  }
  .tilt-item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 24px;
  }
  .tilt-item-image {
    margin: 24px auto 0 auto;
    width: 86.66%;
  }
  .tilt-item-image img {
    width: 100%;
  }
  .tilt-explain {
    font-size: 18px;
    line-height: 30px;
    margin: 32px auto 0 auto;
    width: 86.66%;
  }
  .tilt-item:nth-child(1) .tilt-explain {
    margin: 48px auto 0 auto;
  }
  .contents {
    max-width: 1146px;
    margin: 0 auto;
  }
  .contents-sec-wrapper {
    display: flex;
    width: 100%;
  }
  .contents-sec-items {
    width: 90%;
    margin: 0 10px;
  }
  .contents-sec-items a {
    width: 100%;
  }
  img {
    width: 100%;
  }
}

@media screen and (max-width: 1025px) {
  .breadcrumb-list ol {
    background-color: #e4e5e6;
    display: flex;
    margin-left: 10px;
  }

  .header-image {
    background: url(../images/choose-kv-sp.png) center bottom 20% no-repeat;
    background-size: cover;
    height: 490px;
    width: 100%;
    position: relative;
    margin: 0 auto;
  }
  .header-title {
    position: absolute;
    width: 250px;
    top: 56px;
    transform: translateX(-50%);
    left: 50%;
  }
  .header-image .header_title p {
    text-align: center;
  }
  .header-image .header_title h1 {
    margin: 0 auto;
  }

  .howtochoose-title {
    color: #df0000;
    font-size: 14px;
    margin: 0 auto;
    width: 100%;
    aspect-ratio: 1366/558;
  }

  .howtochoose-title h1 {
    position: absolute;
    font-size: 34px;
    padding-top: 16px;
    font-weight: 700;
    color: black;
  }
  .header-bottom {
    width: 100%;
    height: 15.02%;
    color: white;
    font-size: 26px;
    padding-left: 40px;
    position: absolute;
    bottom: 0;
    display: flex;
    align-items: center;
    background-color: black;
  }

  .how-to-choose-main {
    padding-top: 48px;
    padding-bottom: 80px;
    background-color: #f1f2f2;
  }

  .accordion {
    max-width: 92%;
    /* background-color: #f2f2f2; */
    margin: 0 auto;
  }

  .accordion:not([open]) {
    margin-bottom: 16px;
  }

  .accordion summary {
    display: flex;
    align-items: center;
    position: relative;
    padding: 16px;
    background-color: #35363b;
    color: white;
    font-weight: 900;
    font-size: 22px;
    cursor: pointer;
    background-repeat: no-repeat;
    background-size: 24px;
    background-position: right 16px center;
  }
  .accordion summary .choose-title {
    margin: 0 !important;
    color: white !important;
    font-size: 22px !important;
  }
  .accordion summary span {
    color: white;
    font-style: bold;
    font-size: 24px;
    padding-right: 12px;
  }

  .accordion:not([open]) summary {
    background-image: url(../images/accordion-plus.svg);
  }
  .accordion[open] summary {
    background-image: url(../images/accordion-minus.svg);
  }

  .accordion summary::-webkit-details-marker {
    display: none;
  }

  .accordion .accordion-contents {
    transform: translateY(-10px);
    opacity: 0;
    margin: 0;
    color: #333333;
    font-size: 18px;
    line-height: 28px;
    /* transition: transform 0.5s, opacity 0.5s; */
  }

  .accordion .accordion-contents span {
    color: #df0000;
  }

  .accordion[open] .accordion-contents {
    transform: none;
    opacity: 1;
    margin-bottom: 16px;
    /* background-color: #d7d8da; */
  }
  .common-content {
    display: block;
  }
  .accordion-contents span {
    display: block;
    width: calc(100% - 24px);
    height: 1px;
    background-color: #35363b;
    margin: 0 auto;
  }
  .explain-wrapper {
    padding: 0 8px;
    margin-top: 24px;
    /* width: 50%; */
  }
  .accordion:nth-child(3) .explain-wrapper,
  .accordion:nth-child(5) .explain-wrapper {
    margin-top: 40px;
  }
  .accordion:nth-child(4) .explain-wrapper {
    margin-top: 60px;
  }
  .topic-summary {
    margin-top: 24px;
    margin-bottom: 24px;
    color: #df0000;
    font-weight: 900;
    font-size: 22px;
    line-height: 33px;
  }
  .accordion:nth-child(3) .topic-summary,
  .accordion:nth-child(4) .topic-summary {
    margin-bottom: 36px;
  }
  .topic-explain {
    color: #35363b;
    font-weight: 400;
    font-size: 16px;
    line-height: 24px;
    margin-bottom: 24px;
  }
  .image-wrapper-sp {
    margin-top: 16px;
    margin-bottom: 16px;
    width: 100%;
  }
  .image-wrapper-sp img {
    width: 100%;
  }

  .power-kind-wrapper {
    display: block;
    width: calc(100% - 24px);
    margin: 40px 12px 80px;
  }

  .power-item {
    width: 100%;
    background-color: white;
    padding: 24px 0;
    margin: 32px 0;
  }

  .item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 20px;
  }
  .item-image {
    margin-top: 24px;
    width: 100%;
  }
  .item-image img {
    width: 100%;
  }
  .power-more-button {
    margin: 24px auto 0;
    width: 80%;
    background-color: #df0000;
  }

  .power-more-button a {
    color: white;
    display: block;
    font-size: 14px;
    padding: 10px 16px;
    text-align: start;
    text-decoration: none;
    transition: all 0.6s;
    font-weight: 700;
    background-image: url(../images/btn-arrow.svg);
    background-repeat: no-repeat;
    background-size: 16px;
    background-position: right 16px center;
  }

  .operate-type,
  .type-kind-wrapper {
    /* width: 100%; */
    margin: 40px auto 48px;
  }

  .type-title {
    color: #35363b;
    width: calc(100% - 24px);
    font-size: 28px;
    text-align: center;
    margin: 0 auto;
  }
  .type-kind-wrapper {
    display: block;
  }
  .type-kind-wrapper {
    margin: 40px 12px 80px;
  }
  .tiller {
    margin-bottom: 48px;
  }
  .type-item {
    width: 100%;
    background-color: white;
    padding: 32px 0;
  }
  .type-item:nth-child(1) {
    /* margin-right: 16px; */
  }
  .type-item:nth-child(2) {
    margin-top: 16px;
  }
  .type-item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 20px;
  }

  .type-image {
    margin-top: 32px;
    width: 100%;
    text-align: center;
  }
  .type-image img {
    width: 86.33%;
  }
  .type-explain {
    padding: 32px 38px 0;
    width: 100%;
    font-size: 16px;
    /* text-align: center; */
  }
  .height-explain-wrapper {
    width: calc(100% - 24px);
    margin: 24px 12px;
    display: flex;
  }
  .transam-height {
    width: 50%;
    background-color: #ffd5d6;
  }
  .port-transam-height {
    width: 50%;
    background-color: #ffb0b2;
  }
  .height-title {
    font-family: 900;
    text-align: center;
    margin: 12px 12px 0;
    font-size: 16px;
    line-height: 20px;
  }
  .height-explain {
    font-family: 900;
    font-size: 12px;
    line-height: 16px;
    text-align: center;
    margin: 12px 12px;
  }
  .transom-explain {
    font-size: 28px;
    margin-top: 40px;
    text-align: center;
  }
  .transam-title {
    margin-bottom: 24px;
  }
  .height-transam {
    margin-top: 32px;
    width: 100%;
    overflow-x: scroll;
    overflow-y: hidden;
  }
  .height-transam img {
    width: 100%;
  }
  .set-place {
    margin-top: 32px;
    height: 276px;
  }
  .set-place .transam-image {
    overflow-x: scroll;
    overflow-y: hidden;
    height: 100%;
  }
  .set-place img {
    height: 100%;
  }
  .set-place {
    margin-bottom: 80px;
  }
  .scroll-btn {
    display: flex;
    align-self: center;
    width: 100px;
    height: 10%;
    justify-self: end;
  }
  .scroll-btn-left,
  .scroll-btn-right {
    width: 100%;
  }
  .scroll-btn-left img,
  .scroll-btn-right img {
    width: 100%;
    padding-left: 15px;
  }

  .transam-image::-webkit-scrollbar {
    display: none;
  }
  .simplebar-scrollbar::before {
    background: #df0000;
    border-radius: 0;
    height: 5px !important;
    margin-left: 0px;
    margin-top: 0px;
    position: absolute;
    bottom: 5px;
  }
  .simplebar-content {
    height: 97%;
  }
  .simplebar-scrollbar.simplebar-visible::before {
    opacity: 1;
  }
  .simplebar-track {
    position: absolute;
    bottom: 0px;
    background: #c8c9cc;
    height: 5px !important;
  }
  .tilt-kind-wrapper {
    margin: 40px auto 64px;
    width: calc(100% - 24px);
  }
  .tilt-item {
    width: 100%;
    background-color: white;
    padding: 32px 0;
    margin: 24px auto;
  }
  .tilt-item-title {
    color: #df0000;
    font-weight: 900;
    text-align: center;
    font-size: 24px;
  }
  .tilt-item-image {
    margin: 24px auto 0 auto;
    width: 86.66%;
  }
  .tilt-item-image img {
    width: 100%;
  }
  .tilt-explain {
    font-size: 18px;
    line-height: 30px;
    margin: 32px auto 0 auto;
    width: 86.66%;
  }
  .tilt-item:nth-child(1) .tilt-explain {
    margin: 48px auto 0 auto;
  }

  .contents {
    width: 90%;
    margin: 0 auto;
  }
  .contents-sec-wrapper {
    display: block;
    width: 100%;
  }
  .contents-sec-items {
    width: 100%;
    margin: 16px 0;
  }
  .contents-sec-items a {
    width: 100%;
  }
  .contents-sec-items a img {
    width: 100%;
  }

  .movie-items .slick-list {
    width: 89.35%;
    max-width: 1024px;
  }
  section.pick-up .img-wrapper {
    width: 100%;
    max-width: 1020px;
    /* height: 325px; */
    aspect-ratio: (1020/384);
    display: flex;
    justify-content: center;
    justify-self: center;
    margin: 0 auto;
  }

  section.pick-up .img-wrapper .pick-up-content {
    /* background-image: url(../images/bf250-picture.png);
    background-size: contain;
    background-repeat: no-repeat; */
    /* width: 33.33%; */
    height: 100%;
    position: relative;
  }

  section.pick-up .img-wrapper .pick-up-content img {
    width: 100%;
    object-fit: contain;
  }

  section.pick-up .img-wrapper .pick-up-content h3 {
    color: white;
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 46px;
    font-weight: 700;
  }
  section.pick-up .img-wrapper .pick-up-content p {
    color: white;
    position: absolute;
    bottom: 20px;
    left: 20px;
    padding-right: 20px;
    font-size: 18px;
    font-weight: 700;
  }

  section.pick-up .img-wrapper .pick-up-content p {
    color: white;
    position: absolute;
    bottom: 20px;
    left: 20px;
    font-size: 16px;
    line-height: 24px;
  }
  .pick-up .bg-gray-half {
    overflow: hidden;
  }

  .img-wrapper {
    /* width: 190.4%; */
    margin-left: 2%;
    margin-right: 2%;
    position: relative;
    display: flex;
    overflow: hidden;
  }

  .img-wrapper > .pick-up-content {
    overflow-x: scroll;
    position: relative;
  }

  .img-wrapper > .pick-up-content img {
    width: 100%;
  }

  .img-wrapper > .pick-up-content h3 {
    color: #ffffff;
    top: 0;
    position: absolute;
    padding: 18px 0 0px 18px;
    font-size: 2em;
    font-weight: 600;
  }

  .img-wrapper > .pick-up-content p {
    position: absolute;
    bottom: 0;
    padding: 18px 18px;
    color: #ffffff;
    font-size: 16px;
    font-weight: 600;
    line-height: 1.4em;
  }
  .information {
    background-color: white;
  }
}
main {
  position: relative;
  display: block;
  grid-template-rows: initial;
  grid-template-columns: initial;
  /* width: 100%; */
}

section {
  width: 100%;
  padding: 42px 0px 42px 0px;
}

.contents-inner {
  width: 100%;
  /* max-width: calc(1040px + 42px); */
  margin: 0 auto;
}

section.kv {
  max-width: 100vw;
  margin-top: 49px;
}

.slick-container {
  position: relative;
}

.scroll-object {
  position: absolute;
  left: 9.4%;
  bottom: -8%;
  z-index: 0;
}

ul.m-header-menu li {
  transform: 0.3s;
}

ul.m-header-menu li.hovered > a {
  opacity: 0.7;
}

ul.m-header-menu li.active .modal {
  pointer-events: auto;
  opacity: 1;
}

ul.m-header-menu li.active > a {
  background-color: #df0000;
  color: #ffffff;
}

ul.m-header-menu li.active > a > .plus {
  opacity: 0;
}

ul.m-header-menu li.active.hovered > a {
  color: #ffffff;
}

ul.m-header-menu li.active > a {
  padding: 32px 24px 32px 24px;
}

.header-news .arrow {
  right: 0;
}

span.catch-st {
  display: block;
  color: #ffffff;
  font-weight: 600;
}

h2.catch-head {
  margin: 0px auto 40px;
  text-align: center;
  font-weight: 700;
  font-size: 46px;
  line-height: 120%;
  color: #35363b;
}
@media screen and (max-width: 768px) {
  h2.catch-head {
    font-size: 24px !important;
  }
}

.slick-container .catch-copy {
  position: absolute;
  left: 11%;
  top: 38px;
  z-index: 5;
}

.slick-container .catch-copy .catch-copy-sub {
  text-align: left;
}

.slick-prev:hover,
.slick-prev:focus,
.slick-next:hover,
.slick-next:focus {
  color: transparent;
  outline: none;
  background: initial !important;
}

h3.topic-title {
  font-size: 40px;
  font-weight: 600;
  color: #000000;
  margin-bottom: 32px;
  margin-top: 18px;
}

h3.topic-title.center {
  text-align: center;
}

h3.topic-title .sub {
  font-size: 16px;
  font-weight: 300;
  display: block;
  margin-top: 0.5em;
  color: #df0000;
}

section.pick-up .img-wrapper {
  width: 100%;
  max-width: 1020px;
  /* height: 325px; */
  aspect-ratio: (1020/384);
  display: flex;
  justify-content: center;
  justify-self: center;
  margin: 0 auto;
  overflow-x: scroll;
}

section.pick-up .img-wrapper .pick-up-content {
  /* background-image: url(../images/bf250-picture.png);
  background-size: contain;
  background-repeat: no-repeat; */
  /* width: 33.33%; */
  height: 100%;
  position: relative;
}

section.pick-up .img-wrapper .pick-up-content img {
  width: 100%;
  object-fit: contain;
}

section.pick-up .img-wrapper .pick-up-content h3 {
  color: white;
  position: absolute;
  top: 20px;
  left: 20px;
  font-size: 46px;
  font-weight: 700;
}
section.pick-up .img-wrapper .pick-up-content p {
  color: white;
  position: absolute;
  bottom: 20px;
  left: 20px;
  padding-right: 20px;
  font-size: 18px;
  font-weight: 700;
}

section.pick-up .pick-up .img-wrapper .pick-up-content p {
  color: white;
  position: absolute;
  bottom: 20px;
  left: 20px;
  font-size: 16px;
  line-height: 24px;
}

section.technology {
  background-image: url(/marine/images/technology-bg-pc.png);
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center 0px;
}

.bg-gray {
  width: 1040px;
  margin: 0 auto 38px auto;
  padding: 82px 42px;
}
@media screen and (max-width: 768px) {
  .bg-gray {
    width: 100%;
    margin: 0 auto 38px auto;
    padding: 24px 0;
  }
}

.decorated-row {
  margin-top: 18vw;
}

.project-story-item {
  position: relative;
  width: 100%;
}

span.tag:before {
  content: "";
  position: absolute;
  width: 0.8em;
  height: 0.8em;
  background-color: #df0000;
  left: 10px;
  top: 0;
  bottom: 0;
  margin: auto;
}
span.tag {
  background-color: #ffffff;
  color: #000000;
  padding: 8px 14px 8px 32px;
  position: relative;
  display: inline-block;
}

h4.project-story-explain {
  font-size: 24px;
  line-height: 1.6em;
  font-weight: 200;
  margin-top: 24px;
}
@media screen and (min-width: 1024px) {
  .item-first .project-story-description {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    background-color: #35363b;
    margin: 42px 42px;
    padding: 28px 24px;
    min-width: 400px;
    color: #ffffff;
  }
  .item-sec .project-story-description {
    position: initial;
    background-color: #35363b;
    /* min-width: 400px; */
    color: #ffffff;
    margin-top: 0;
    padding: 16px;
  }
  .item-sec .project-story-explain {
    margin-top: 0;
  }
}
@media screen and (max-width: 1024px) {
  .project-story-item .project-story-description {
    background-color: #35363b;
    /* min-width: 400px; */
    color: #ffffff;
    margin-top: 0;
    padding: 16px;
  }
  .item-first .project-story-description {
    padding: 16px 16px 56px 16px;
  }
  h4.project-story-explain {
    margin-top: 0;
  }
}
.project-story-item .project-story-description:before {
  content: "";
  position: absolute;
  bottom: 18px;
  background-image: url(../images/next-arrow-3.svg);
  background-size: contain;
  background-position: center;
  background-repeat: no-repeat;
  width: 32px;
  height: 32px;
  right: 18px;
}
.project-story-item img {
  width: 100%;
  display: block;
  object-fit: cover;
}

.project-story-item.item-sec {
}
/*山本さん追加部分ここから*/
.row {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
}
.row .col {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-orient: vertical;
  -webkit-box-direction: normal;
  -ms-flex-direction: column;
  flex-direction: column;
  padding: 0 18px;
}
@media screen and (max-width: 768px) {
  .row .col {
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
    -ms-flex-direction: column;
    flex-direction: column;
  }
}
@media screen and (max-width: 768px) {
  .row .col {
    padding: 0;
  }
}
.row .col.col-1 {
  width: 8.3333333333%;
}
@media screen and (max-width: 768px) {
  .row .col.col-1 {
    width: 100%;
  }
}
.row .col.col-2 {
  width: 16.6666666667%;
}
@media screen and (max-width: 768px) {
  .row .col.col-2 {
    width: 100%;
  }
}
.row .col.col-3 {
  width: 25%;
}
@media screen and (max-width: 768px) {
  .row .col.col-3 {
    width: 100%;
  }
}
.row .col.col-4 {
  width: 33.3333333333%;
}
@media screen and (max-width: 768px) {
  .row .col.col-4 {
    width: 100%;
  }
}
.row .col.col-5 {
  width: 41.6666666667%;
}
@media screen and (max-width: 768px) {
  .row .col.col-5 {
    width: 100%;
  }
}
.row .col.col-6 {
  width: 50%;
}
@media screen and (max-width: 768px) {
  .row .col.col-6 {
    width: 100%;
  }
}
.row .col.col-7 {
  width: 58.3333333333%;
}
@media screen and (max-width: 768px) {
  .row .col.col-7 {
    width: 100%;
  }
}
.row .col.col-8 {
  width: 66.6666666667%;
}
@media screen and (max-width: 768px) {
  .row .col.col-8 {
    width: 100%;
  }
}
.row .col.col-9 {
  width: 75%;
}
@media screen and (max-width: 768px) {
  .row .col.col-9 {
    width: 100%;
  }
}
.row .col.col-10 {
  width: 83.3333333333%;
}
@media screen and (max-width: 768px) {
  .row .col.col-10 {
    width: 100%;
  }
}
.row .col.col-11 {
  width: 91.6666666667%;
}
@media screen and (max-width: 768px) {
  .row .col.col-11 {
    width: 100%;
  }
}
.row .col.col-12 {
  width: 100%;
}
@media screen and (max-width: 768px) {
  .row .col.col-12 {
    width: 100%;
  }
}
.row + .row {
  margin-top: 24px;
}
.pagetopbtn {
  display: none;
}
/*山本さん追加部分ここまで*/