@charset "UTF-8";
/* ==================================================================
 tokens
================================================================== */
/* ==================================================================
 mv
 構造・アニメーションはcommon.scssの共通.mvを使用。高さ比率のみこのページ固有
================================================================== */
.mv {
  aspect-ratio: 1920/680;
}
@media screen and (max-width: 767px) {
  .mv {
    aspect-ratio: 393/320;
  }
}

/* ==================================================================
 design-title（各セクション見出し共通パーツ：英字ラベル＋見出し＋本文）
================================================================== */
.design-title {
  color: #3c4650;
}
@media screen and (max-width: 767px) {
  .design-title {
    gap: 24px;
  }
}
.design-title__eng {
  margin: 0;
  font-family: "optima-lt-pro", sans-serif;
  font-size: 48px;
  letter-spacing: 0.14em;
  color: #8c7f60;
  line-height: 1;
}
@media screen and (max-width: 767px) {
  .design-title__eng {
    font-size: 28px;
  }
}
.design-title__eng.--sp-right {
  text-align: right;
}
.design-title__eng.--center {
  text-align: center;
}
.design-title__eng + .design-title__copy {
  margin-top: 40px;
}
@media screen and (max-width: 767px) {
  .design-title__eng + .design-title__copy {
    margin-top: 24px;
  }
}
.design-title__copy {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 2;
  letter-spacing: 0.2em;
}
@media screen and (max-width: 767px) {
  .design-title__copy {
    font-size: 18px;
    letter-spacing: 0.15em;
  }
}
@media screen and (max-width: 767px) {
  .design-title__copy.--sp-right {
    text-align: right;
  }
}
.design-title__copy.--center {
  text-align: center;
}
.design-title__body {
  margin: 40px 0 0;
}
@media screen and (max-width: 767px) {
  .design-title__body {
    margin-top: 24px;
  }
}
@media screen and (max-width: 767px) {
  .design-title__body.--sp-right {
    text-align: right;
  }
}
.design-title__body-line {
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 4;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 767px) {
  .design-title__body-line {
    font-size: 13px;
    line-height: 3.6;
    letter-spacing: 0.14em;
  }
}

/* ==================================================================
 design-lead（LEAD：美しく、磨き上げる個性。＋外観完成予想CG）
================================================================== */
.design-lead {
  position: relative;
  padding: 168px 0 200px;
  background: linear-gradient(180deg, rgb(215, 220, 230) 17.89%, #fff 88.3%);
  overflow: hidden;
}
@media screen and (max-width: 767px) {
  .design-lead {
    padding-bottom: 100px;
  }
}
.design-lead::before {
  position: absolute;
  content: "";
  background: url(../img/top/bg-sec.svg) no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  z-index: 1;
  inset: 0;
}
.design-lead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(180deg, rgb(215, 220, 230) 17.89%, #fff 88.3%);
  clip-path: polygon(0 0, 50% 0, 100% 29vw, 100% 100%, 0 100%);
  -webkit-mask-image: linear-gradient(to right, #fff 50%, transparent 50%);
          mask-image: linear-gradient(to right, #fff 50%, transparent 50%);
  -webkit-mask-size: 200% 100%;
          mask-size: 200% 100%;
  -webkit-mask-repeat: no-repeat;
          mask-repeat: no-repeat;
  -webkit-mask-position: 100% 0;
          mask-position: 100% 0;
  transition: -webkit-mask-position 2.4s ease-in-out;
  transition: mask-position 2.4s ease-in-out;
  transition: mask-position 2.4s ease-in-out, -webkit-mask-position 2.4s ease-in-out;
}
@media screen and (max-width: 767px) {
  .design-lead::after {
    clip-path: polygon(0 0, 100% 58vw, 100% 100%, 0 100%);
  }
}
@media (prefers-reduced-motion: reduce) {
  .design-lead::after {
    transition-duration: 0ms;
  }
}
.design-lead.is-animating::after {
  will-change: mask-position;
}
.design-lead.is-show::after {
  -webkit-mask-position: 0 0;
          mask-position: 0 0;
}
.design-lead__inner {
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 6.25%;
}
@media screen and (max-width: 1271px) {
  .design-lead__inner {
    flex-direction: column-reverse;
  }
}
.design-lead__pattern {
  position: absolute;
  right: -1px;
  top: -1px;
  width: 50%;
  aspect-ratio: 961.254/894;
  z-index: 1;
  pointer-events: none;
  transform-origin: 0 0;
  transform: scale(0);
  transition: transform 1.6s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-lead__pattern {
    transition-duration: 0ms;
  }
}
.design-lead__pattern.is-animating {
  will-change: transform;
}
.design-lead__pattern.is-show {
  transform: scale(1);
}
.design-lead__pattern img {
  display: block;
  width: 100%;
  height: auto;
}
@media screen and (max-width: 767px) {
  .design-lead__pattern {
    width: 100%;
  }
}
.design-lead__photo {
  position: relative;
  z-index: 2;
  flex: 1 0 auto;
  width: 70%;
  aspect-ratio: 1014/1298;
  overflow: visible;
  margin-left: -10%;
}
.design-lead__photo .c-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
}
@media screen and (max-width: 1271px) {
  .design-lead__photo .c-caption {
    padding: 4px;
    background-color: rgba(0, 0, 0, 0.3);
  }
}
@media screen and (max-width: 1271px) {
  .design-lead__photo {
    width: -moz-fit-content;
    width: fit-content;
    margin-left: -20px;
    margin-right: -20px;
    aspect-ratio: auto;
    overflow: hidden;
  }
}
.design-lead__building {
  z-index: 1;
  position: relative;
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 1.2s ease-out, transform 1.2s ease-out;
  transition-delay: 0.5s;
}
@media (prefers-reduced-motion: reduce) {
  .design-lead__building {
    transition-duration: 0ms;
  }
}
.design-lead__building.is-show {
  opacity: 1;
  transform: translateY(0);
}
.design-lead__copy {
  position: relative;
  z-index: 2;
  flex: 0 1 auto;
  transition-delay: 1s;
}
@media screen and (max-width: 1271px) {
  .design-lead__copy {
    width: 100%;
  }
}

/* ==================================================================
 design-concept（DESIGN CONCEPT：外観デザイン＋建築家紹介＋マテリアル）
================================================================== */
.design-concept {
  position: relative;
  background: #fff;
  overflow: hidden;
  position: relative;
}
.design-concept::before {
  position: absolute;
  content: "";
  background: url("../img/design/design-concept-bg.png") no-repeat;
  background-size: cover;
  width: 100%;
  height: 100%;
  z-index: 2;
  top: var(--hero-bottom, calc(65dvh + 64.5vw));
  margin-top: -64.5%;
}
@media screen and (min-width: 1920px) {
  .design-concept::before {
    background-size: cover;
  }
}
@media screen and (max-width: 1500px) {
  .design-concept::before {
    background-size: cover;
  }
}
@media screen and (max-width: 1271px) {
  .design-concept::before {
    background-size: cover;
    background-image: url("../img/design/design-concept-bg-sp.png");
  }
}
.design-concept__hero {
  position: absolute;
  top: 0;
  right: 0;
  transition-delay: 1s;
}
@media screen and (max-width: 1271px) {
  .design-concept__hero {
    position: relative;
  }
}
.design-concept__hero img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1920/2073;
}
@media screen and (max-width: 767px) {
  .design-concept__hero img {
    aspect-ratio: auto;
  }
}
.design-concept__hero .c-caption {
  position: absolute;
  z-index: 3;
  right: 12px;
  bottom: 85.66px;
}
@media screen and (max-width: 767px) {
  .design-concept__hero .c-caption {
    bottom: 75.985px;
    top: auto;
  }
}
.design-concept__heading {
  padding-bottom: 11dvh;
  position: relative;
  z-index: 3;
}
@media screen and (max-width: 1271px) {
  .design-concept__heading {
    padding-top: 0;
    padding-bottom: 0;
  }
}
@media screen and (max-width: 767px) {
  .design-concept__heading {
    padding-bottom: 0;
  }
}
.design-concept__profile-wrap {
  position: relative;
  padding: 60dvh 0 120px;
  z-index: 2;
}
@media screen and (max-width: 1271px) {
  .design-concept__profile-wrap {
    padding: 0 0 0;
  }
}
.design-concept__bg {
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
  pointer-events: none;
}
.design-concept__profile {
  position: relative;
  z-index: 2;
  color: #fff;
}
.design-concept__profile-eng {
  margin: 0 0 56px;
  font-family: "optima-lt-pro", sans-serif;
  font-size: 48px;
  line-height: 1.2;
  letter-spacing: 0.14em;
  color: #beab96;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-eng {
    margin-bottom: 32px;
    font-size: 28px;
  }
}
.design-concept__profile-body {
  padding-left: 8%;
}
@media screen and (max-width: 1271px) {
  .design-concept__profile-body {
    padding-left: 0;
  }
}
.design-concept__profile-body {
  display: flex;
  align-items: stretch;
  gap: 24px;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-body {
    gap: 16px;
  }
}
.design-concept__profile-photo {
  display: block;
  width: 179px;
  height: 197px;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-photo {
    width: 131px;
    height: 144px;
  }
}
.design-concept__profile-row {
  display: flex;
  align-items: flex-end;
  gap: 24px;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-row {
    flex-direction: column;
    gap: 24px;
  }
}
.design-concept__profile-info {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 0;
  width: 25%;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-info {
    gap: 6px;
    width: 100%;
  }
}
.design-concept__profile-works {
  display: flex;
  align-items: center;
  gap: 24px;
}
.design-concept__profile-work {
  position: relative;
  overflow: hidden;
  flex-shrink: 0;
  max-width: 294px;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-work {
    width: calc((100% - 24px) / 2);
  }
}
.design-concept__profile-work img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.design-concept__profile-work::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.6) 0%, rgba(0, 0, 0, 0) 9.213%);
}
.design-concept__profile-caption {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 1;
  margin: 0;
  padding: 4px 8px;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 10px;
  color: #fff;
  white-space: nowrap;
}
.design-concept__profile-role {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  font-size: 18px;
  line-height: 1.6;
  letter-spacing: 0.2em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-role {
    font-size: 15px;
  }
}
.design-concept__profile-name {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-name {
    gap: 8px;
  }
}
.design-concept__profile-name-row {
  display: flex;
  align-items: flex-end;
  gap: 4px;
}
.design-concept__profile-title {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.4em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-title {
    font-size: 11px;
  }
}
.design-concept__profile-en {
  margin: 0;
  font-family: "optima-lt-pro", sans-serif;
  font-size: 10px;
  letter-spacing: 0em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-en {
    letter-spacing: 0.2em;
  }
}
.design-concept__profile-jp {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  font-size: 24px;
  letter-spacing: 0.34em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-jp {
    font-size: 18px;
  }
}
.design-concept__profile-asm {
  margin-top: 12px;
  padding-top: 12px;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-asm {
    padding-top: 0;
    margin-top: 4px;
  }
}
.design-concept__profile-asm-en {
  margin: 0;
  font-family: "optima-lt-pro", sans-serif;
  font-size: 48px;
  line-height: 0.7;
  letter-spacing: 0.23em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-asm-en {
    font-size: 28px;
  }
}
.design-concept__profile-asm-sub {
  margin: 4px 0 0;
  font-family: "optima-lt-pro", sans-serif;
  font-size: 10px;
  letter-spacing: 0.06em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-asm-sub {
    letter-spacing: 0.2em;
  }
}
.design-concept__profile-txt {
  margin: 24px 0 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 14px;
  line-height: 2;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 767px) {
  .design-concept__profile-txt {
    margin-top: 16px;
    font-size: 12px;
  }
}
.design-concept__balcony {
  position: relative;
  z-index: 4;
  overflow: hidden;
  margin-right: 12%;
}
@media screen and (max-width: 1271px) {
  .design-concept__balcony {
    margin-right: 20px;
    margin-top: 40px;
  }
}
.design-concept__balcony img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.design-concept__balcony::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #3c4650;
  transform-origin: left;
  transform: scaleX(1);
  transition: transform 1.4s ease-in-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-concept__balcony::after {
    transition-duration: 0ms;
  }
}
.design-concept__balcony.is-show::after {
  transform: scaleX(0);
}
.design-concept__balcony .c-caption {
  position: absolute;
  right: 0;
  bottom: 0;
}
@media screen and (max-width: 767px) {
  .design-concept__balcony {
    aspect-ratio: 380/180;
  }
}
.design-concept__material {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  gap: 80px;
  padding: 10dvh 0 20dvh;
  position: relative;
  z-index: 3;
}
@media screen and (max-width: 1271px) {
  .design-concept__material {
    flex-direction: column-reverse;
    align-items: flex-start;
    gap: 32px;
    padding: 80px 20px 100px;
  }
}
.design-concept__material::before {
  content: "";
  position: absolute;
  left: -50%;
  top: 65%;
  z-index: -1;
  z-index: -2;
  width: 250%;
  height: 100dvh;
  background: #fff;
  transform: translateY(-50%) rotate(24deg);
  clip-path: inset(0 0 100% 0);
  transition: clip-path 2.8s ease-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-concept__material::before {
    transition-duration: 0ms;
  }
}
@media screen and (max-width: 767px) {
  .design-concept__material::before {
    height: 94dvh;
    width: 211vw;
    left: -59%;
    top: 41%;
  }
}
.design-concept__material.is-animating::before {
  will-change: clip-path;
}
.design-concept__material.is-show::before {
  clip-path: inset(0 0 0 0);
}
.design-concept__material-img {
  display: block;
  flex: 0 0 auto;
  max-width: 424px;
  width: 100%;
  height: auto;
}
@media screen and (max-width: 1271px) {
  .design-concept__material-img {
    width: 80%;
    margin-left: auto;
    margin-right: auto;
  }
}

/* ==================================================================
 design-cg（エントランス完成予想CG／エントランスラウンジ完成予想CG共通の全幅写真ブロック）
================================================================== */
.design-cg {
  position: relative;
  aspect-ratio: 1920/995;
  overflow: hidden;
  filter: blur(10px);
  transition: 0.5s;
}
.design-cg::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: linear-gradient(to bottom, #fff 0%, #fff 65%, rgba(255, 255, 255, 0) 100%);
  transform-origin: top;
  transform: scaleY(1);
  transition: transform 1.4s ease-in-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-cg::after {
    transition-duration: 0ms;
  }
}
.design-cg.is-show::after {
  transform: scaleY(0);
}
.design-cg.is-show {
  filter: blur(0);
  transition-delay: 1s;
}
.design-cg::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 1;
  width: 100%;
  height: 70px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.7) 0%, rgba(114, 113, 113, 0) 100%);
  pointer-events: none;
}
.design-cg img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.design-cg .c-caption {
  position: absolute;
  right: 0;
  bottom: 0px;
}
@media screen and (max-width: 767px) {
  .design-cg {
    aspect-ratio: 393/204;
  }
  .design-cg .c-caption {
    bottom: 0;
  }
}

/* ==================================================================
 design-entrance（ENTRANCE：石積みデザイン紹介）
================================================================== */
.design-entrance {
  position: relative;
  padding: 136px 0 248px 14%;
  background: url(../img/design/entrance-bg.png) no-repeat;
  background-size: cover;
  inset: 0;
  overflow: hidden;
}
@media screen and (max-width: 767px) {
  .design-entrance {
    padding: 56px 0 100px;
  }
}
.design-entrance__pattern {
  position: absolute;
  left: -1px;
  top: -1px;
  width: 50%;
  height: auto;
  pointer-events: none;
}
@media screen and (max-width: 767px) {
  .design-entrance__pattern {
    width: 100%;
  }
}
.design-entrance__heading {
  position: relative;
  z-index: 1;
  margin: 0 auto 56px 0;
  color: #fff;
}
.design-entrance__heading .design-title__eng {
  color: #beab96;
}
.design-entrance__heading .design-title__copy,
.design-entrance__heading .design-title__body {
  color: #fff;
}
@media screen and (max-width: 767px) {
  .design-entrance__heading .design-title__body {
    line-height: 2.4;
  }
}
.design-entrance__photo {
  position: relative;
  z-index: 1;
  overflow: hidden;
  aspect-ratio: 1680/560;
  margin: 0 auto;
}
@media screen and (max-width: 767px) {
  .design-entrance__photo {
    padding-left: 16px;
    aspect-ratio: 38/18;
  }
}
.design-entrance__photo img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.design-entrance__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #3c4650;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform 1.4s ease-in-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-entrance__photo::after {
    transition-duration: 0ms;
  }
}
.design-entrance__photo.is-show::after {
  transform: scaleX(0);
}
.design-entrance__photo .c-caption {
  position: absolute;
  right: 0;
  bottom: 0;
}

/* ==================================================================
 design-green（ENTRANCE LOUNGE／GREENWALL：壁面緑化紹介）
================================================================== */
.design-green {
  position: relative;
  padding: 168px 0 200px;
  background: #fff;
  overflow: hidden;
}
@media screen and (max-width: 767px) {
  .design-green {
    padding: 204px 0 100px;
  }
}
.design-green__pattern {
  position: absolute;
  left: -1px;
  top: -30px;
  width: 50%;
  height: auto;
  transform: scaleX(-1);
  pointer-events: none;
}
@media screen and (max-width: 767px) {
  .design-green__pattern {
    width: 100%;
    top: -13px;
  }
}
.design-green__lounge-heading {
  position: relative;
  z-index: 1;
  margin: 0 auto 56px;
  text-align: right;
}
.design-green__lounge-heading .design-title__copy,
.design-green__lounge-heading .design-title__body {
  text-align: right;
}
@media screen and (max-width: 767px) {
  .design-green__lounge-heading .design-title__body {
    line-height: 2.4;
  }
}
@media screen and (max-width: 767px) {
  .design-green__lounge-heading {
    text-align: left;
  }
  .design-green__lounge-heading .design-title__copy,
  .design-green__lounge-heading .design-title__body {
    text-align: right;
  }
}
.design-green__photo {
  position: relative;
  z-index: 1;
  overflow: hidden;
  padding-left: 12%;
  aspect-ratio: 1680/640;
  margin: 0 auto 0;
}
@media screen and (max-width: 767px) {
  .design-green__photo {
    padding-left: 16px;
    aspect-ratio: 38/18;
  }
}
.design-green__photo img {
  display: block;
  width: 100%;
  height: 100%;
}
.design-green__photo::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #3c4650;
  transform-origin: right;
  transform: scaleX(1);
  transition: transform 1.4s ease-in-out;
}
@media (prefers-reduced-motion: reduce) {
  .design-green__photo::after {
    transition-duration: 0ms;
  }
}
.design-green__photo.is-show::after {
  transform: scaleX(0);
}
.design-green__photo-caption {
  position: static;
  margin-top: 8px;
  text-align: right;
}
.design-green__wall {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  gap: 80px;
  margin-top: 112px;
}
@media screen and (max-width: 1271px) {
  .design-green__wall {
    flex-direction: column;
    align-items: flex-start;
    gap: 32px;
    margin-top: 40px;
  }
}
.design-green__wall-heading {
  flex: 0 0 auto;
}
.design-green__list-wrap {
  flex: 1 1 auto;
  min-width: 0;
}
.design-green__list-wrap .c-caption {
  margin-top: 8px;
  text-align: right;
  color: #3c4650;
  position: static;
}
.design-green__list {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.design-green__item {
  position: relative;
  width: calc((100% - 60px) / 4);
  aspect-ratio: 218/193;
  overflow: hidden;
}
.design-green__item img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
@media screen and (max-width: 767px) {
  .design-green__item {
    width: calc((100% - 20px) / 2);
  }
}
.design-green__item-name {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 8px;
  background: rgba(255, 255, 255, 0.8);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 700;
  font-size: 14px;
  letter-spacing: 0.14em;
  color: #3c4650;
  text-align: center;
}

/* ==================================================================
 master-plan（MASTER PLAN：左に敷地配置図/平面図を固定し、右のカードが
 スクロールで流れて中身が切り替わるスティッキー実装。参考：
 https://www.polus-lepiacourt.jp/kawaguchihoncho/commit.html の.sec_sticky）
================================================================== */
.master-plan {
  background: #fff;
  padding: 168px 0 200px;
}
@media screen and (max-width: 767px) {
  .master-plan {
    padding: 56px 0 90px;
  }
}
.master-plan__heading {
  align-items: center;
  margin: 0 auto 112px;
  text-align: center;
}
.master-plan__heading .design-title__copy {
  text-align: center;
}
@media screen and (max-width: 767px) {
  .master-plan__heading {
    margin-bottom: 40px;
  }
}
.master-plan__inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 40px;
}
@media screen and (max-width: 767px) {
  .master-plan__inner {
    flex-direction: column;
    gap: 0;
  }
}
.master-plan__diagram {
  position: sticky;
  top: 15vh;
  flex: 0 0 auto;
  width: 55.5%;
  aspect-ratio: 800/640;
}
@media screen and (max-width: 767px) {
  .master-plan__diagram {
    position: sticky;
    top: 62px;
    z-index: 10;
    width: 100%;
    aspect-ratio: 393/320;
    background: #fff;
  }
}
.master-plan__diagram-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  -o-object-fit: contain;
     object-fit: contain;
  opacity: 0;
  transition: opacity 0.6s ease;
}
@media (prefers-reduced-motion: reduce) {
  .master-plan__diagram-img {
    transition-duration: 0ms;
  }
}
.master-plan__diagram-img.is-active {
  opacity: 1;
}
.master-plan__diagram-caption {
  position: absolute;
  right: 40px;
  bottom: 112px;
  opacity: 0;
  transition: opacity 0.6s ease;
}
@media (prefers-reduced-motion: reduce) {
  .master-plan__diagram-caption {
    transition-duration: 0ms;
  }
}
.master-plan__diagram-caption.is-active {
  opacity: 1;
}
@media screen and (max-width: 767px) {
  .master-plan__diagram-caption {
    right: 8px;
    bottom: 8px;
  }
}
.master-plan__list {
  flex: 1 1 auto;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 20vh;
  margin: 0;
  padding: 0;
  list-style: none;
}
@media screen and (max-width: 767px) {
  .master-plan__list {
    gap: 15vh;
    margin-top: 32px;
  }
}
.master-plan__item {
  min-height: 40vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  color: #3c4650;
}
.master-plan__item-ttl {
  margin: 0 0 24px;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-weight: 500;
  font-size: 24px;
  line-height: 1.5;
  letter-spacing: 0.2em;
  color: #8c7f60;
}
@media screen and (max-width: 767px) {
  .master-plan__item-ttl {
    font-size: 18px;
    margin-bottom: 16px;
  }
}
.master-plan__item-ttl small {
  font-size: 75%;
}
.master-plan__item-txt {
  margin: 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 18px;
  line-height: 2;
  letter-spacing: 0.14em;
}
@media screen and (max-width: 767px) {
  .master-plan__item-txt {
    font-size: 14px;
  }
}
.master-plan__item-note {
  margin: 8px 0 0;
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  font-size: 10px;
  letter-spacing: 0.1em;
}
.master-plan__item-img {
  position: relative;
  width: min(562px, 100%);
  aspect-ratio: 562/299;
  margin-top: 24px;
}
.master-plan__item-img img {
  display: block;
  width: 100%;
  height: 100%;
  -o-object-fit: cover;
     object-fit: cover;
}
.master-plan__item-img .c-caption {
  position: absolute;
  right: 0;
  bottom: 0;
}
.master-plan__item-img--lg {
  aspect-ratio: 562/455.41;
}