.fv-bg-wrap {
  padding: 105px 0 165px;
  background: center/cover no-repeat url(../../image/projects/series/fv_img.jpg);
  color: #fff;
  text-align: center;
}

.fv-bg-wrap h1 {
  font-size: 8rem;
}

.fv-sub-title {
  margin-top: 13px;
}

.fv-text-wrap {
  width: 92%;
  margin: -81px auto 0;
  background: #fafafa;
  padding-top: 81px;
}

.series-description {
  font-size: 1.8rem;
  line-height: 2;
  text-align: center;
}

.fv-links-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr;
  margin-top: 70px;
  border-top: 1px solid #cecece;
  border-bottom: 1px solid #cecece;
}

.fv-next-link {
  display: flex;
  align-items: center;
}

.fv-link-list {
  list-style-position: inside;
  border-left: 1px solid #cecece;
  padding: 40px;
}

.fv-link-list li::marker {
  color: #777777;
}

.fv-link-list a {
  display: inline-block;
  padding: 14px 0;
}

.fv-link-list li {
  padding-left: 20px;
}

.fv-link-list li:not(:last-of-type) {
  border-bottom: 1px solid #cecece;
}

/* ARCHIVE */
.archive {
  padding: 90px 0 150px;
}

.archive h2 {
  font-size: 3.2rem;
  font-weight: 500;
}

.archive-wrap {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0 45px;
  margin-top: 30px;
}

.archive-button {
  all: unset;
  display: block;
  width: 100%;
  text-align: left;
  cursor: pointer;
}

.archive-item:nth-child(3n + 2) {
  margin: 90px 0 -32px;
}

.project-name {
  font-size: 1.4rem;
  margin-top: 10px;
}

.archive-img {
  overflow: hidden;
  aspect-ratio: 0.83511777;
}

.archive-img img {
  height: 100%;
  transition: all 0.5s;
  -o-object-fit: cover;
  object-fit: cover;
}

.archive-button:hover .archive-img img {
  transform: scale(1.2);
}

/* 以下モーダル */
.project-modal-wrap {
  width: 100vw;
  height: 100vh;
  background: rgba(31, 31, 31, 0.95);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100000;
  padding: 80px;
  display: none;
}

.project-modal {
  height: 100%;
  overflow-y: auto;
}

.project-modal-fv {
  color: #fff;
  text-align: center;
  padding: 252px 0;
  background-position: center;
  background-size: cover;
  background-repeat: no-repeat;
}

.project-modal-fv h2 {
  font-size: 4.5rem;
  font-weight: 700;
  line-height: 1.2;
}

.modal-sub-title {
  font-size: 2rem;
  line-height: 1.2;
  margin-top: 29px;
}

.modal-content {
  background: #fafafa;
  padding: 50px 80px 40px;
}

.modal-content h2 {
  font-size: 3.2rem;
  line-height: 2;
}

.modal-content p {
  font-size: 1.4rem;
  line-height: 2;
}

.modal-content-text {
  padding-bottom: 40px;
  border-bottom: 1px solid #cecece;
  margin-top: 30px;
}

.modal-content-inner {
  padding-bottom: 60px;
  border-bottom: 1px solid #cecece;
}

.image-block {
  margin-top: 60px;
}

.modal-image-wrap img {
  width: 100%;
}

/* パターン①：正方形2枚 (1fr 1fr) */
.square-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  width: 100%;
}

.square-2 img {
  width: 100%;
  height: 100%;
  aspect-ratio: 1/1;
  object-fit: cover;
}

/* パターン②：縦長2枚（同上、縦長画像はobject-fitで対応） */
.vertical-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}

.vertical-2  img {
  aspect-ratio: 1/2;
  object-fit: cover;
}

/* パターン③：横長1枚（横幅100%） */
.horizontal-1 img {
  width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
  aspect-ratio: 2/1;
}

/* パターン④：正方形2枚 + 縦長1枚 */
.square-2-vertical-1 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.square-2-vertical-1 .square {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}
.square-2-vertical-1 .square img {
  aspect-ratio: 1/1;
  object-fit: cover;
}
.square-2-vertical-1 .vertical img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* パターン⑤：縦長1枚 + 正方形2枚 */
.vertical-1-square-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
}
.vertical-1-square-2 .square {
  display: grid;
  grid-template-rows: 1fr 1fr;
  gap: 4px;
}
.vertical-1-square-2 .square img {
  aspect-ratio: 1;
  object-fit: cover;
}
.vertical-1-square-2 .vertical img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.project-modal-info {
  display: grid;
  grid-template-columns: 175px auto;
  line-height: 2;
}

.project-info-name {
  padding-top: 30px;
}

.project-info-content {
  padding: 30px 40px;
  border-left: 1px solid #cecece;
  font-size: 1.4rem;
}

.close-btn {
  display: block;
  width: 25px;
  height: 25px;
  margin: 0 0 9.5px auto;
  position: relative;
}

.close-btn::before,
.close-btn::after {
  content: "";
  display: block;
  height: 1.5px;
  width: 100%;
  background: #fff;
  position: absolute;
  transform-origin: center;
}

.close-btn::before {
  transform: rotate(-45deg);
}

.close-btn::after {
  transform: rotate(45deg);
}