.portfolio-page {
  background: var(--color-bg-main);
}

@media (max-width: 900px) {
  .portfolio-page {
    overflow-x: clip;
  }

  .portfolio-main {
    overflow-x: clip;
  }
}

.portfolio-header {
  position: relative;
  z-index: 20;
}

.portfolio-header .container {
  width: min(100% - 120px, 1280px);
}

.portfolio-header-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 24px;
}

.portfolio-back {
  display: block;
  line-height: 0;
}

.portfolio-back img {
  width: 200px;
  height: auto;
}

.portfolio-nav {
  display: flex;
  gap: 48px;
  padding-top: 98px;
  font-family: var(--font-heading);
  font-size: 20px;
  font-weight: var(--weight-heading);
  color: var(--color-bg-hero-top);
}

.portfolio-menu-toggle {
  display: none;
}

.portfolio-main {
  padding-bottom: 0;
}

.portfolio-title {
  padding: 48px 0 32px;
}

.portfolio-title-main {
  margin: 0;
  max-width: 456px;
  font-size: 24px;
  line-height: 1.25;
  font-weight: 500;
}

.portfolio-title-en {
  font-family: var(--font-heading);
  font-weight: 400;
}

.portfolio-title-sub {
  margin: 0;
  max-width: 456px;
  font-size: 16px;
  line-height: 1.875;
  font-weight: 500;
}

.portfolio-showcase {
  padding: 0;
}

.portfolio-showcase .portfolio-showcase-inner {
  width: min(100%, 1280px);
  max-width: 1280px;
  margin-inline: auto;
  padding-inline: 0;
}

.portfolio-showcase-inner {
  position: relative;
  width: min(100%, 1280px);
  margin-inline: auto;
  min-height: 1250px;
  padding: 50px 0 65px;
  overflow: visible;
}

.portfolio-showcase-desktop {
  position: relative;
  width: 86.5625%;
  max-width: 1108px;
  height: 774px;
  overflow: hidden;
}

.portfolio-showcase-desktop img {
  position: absolute;
  left: -9.75%;
  top: 0;
  width: 109.75%;
  height: 100%;
  max-width: none;
  object-fit: cover;
  object-position: center center;
  display: block;
}

.portfolio-showcase-phone {
  position: absolute;
  left: 71.40625%;
  top: 379px;
  right: auto;
  bottom: auto;
  width: 27.65625%;
  max-width: 354px;
  height: 721px;
  overflow: visible;
  z-index: 2;
  pointer-events: none;
}

.portfolio-showcase-phone img {
  position: absolute;
  left: 50%;
  bottom: 0;
  top: auto;
  width: 100%;
  height: 100%;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  object-position: center bottom;
  transform: translateX(-50%);
  display: block;
}

.portfolio-gallery {
  padding: 0 0 clamp(56px, 8vw, 80px);
}

.portfolio-gallery-inner {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 400px));
  justify-content: center;
  gap: 32px clamp(48px, 10vw, 136px);
}

.portfolio-gallery-item {
  margin: 0;
  box-shadow: 0 4px 8px 2px rgba(123, 138, 138, 0.6);
}

.portfolio-gallery-item img {
  width: 100%;
  height: auto;
  aspect-ratio: 400 / 500;
  object-fit: cover;
}

.portfolio-caption {
  padding: 0 0 40px;
}

.portfolio-caption-inner {
  max-width: 968px;
}

.portfolio-caption-frame {
  position: relative;
  margin-top: 50px;
  min-height: 662px;
  border: 1px solid var(--color-accent);
  background: rgba(255, 255, 255, 0.72);
  backdrop-filter: blur(2px);
  overflow: visible;
  box-sizing: border-box;
}

.portfolio-caption-bar {
  position: absolute;
  top: 0;
  left: -50px;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  width: min(527px, 58%);
  min-height: 100px;
  padding: 16px 24px;
  background: var(--color-accent);
}

.portfolio-caption-bar p {
  margin: 0;
  font-size: 24px;
  font-weight: 700;
  line-height: 1.3;
  text-align: center;
}

.portfolio-caption-body {
  display: grid;
  grid-template-columns: minmax(0, 377px) minmax(0, 377px);
  justify-content: space-between;
  gap: 44px;
  min-height: 417px;
  padding: 145px 75px 100px 95px;
  box-sizing: border-box;
}

.portfolio-caption-col p:not(.portfolio-caption-label) {
  margin: 0;
  font-size: 16px;
  line-height: 1.5625;
  font-weight: 400;
}

.portfolio-caption-col p.portfolio-caption-label {
  margin: 0 0 0;
  font-size: 20px;
  line-height: 1.5;
  font-weight: 500;
}

.portfolio-caption-col p.portfolio-caption-label:not(:first-child) {
  margin-top: 20px;
}

.portfolio-caption-corner {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 2;
  width: 100px;
  height: 100px;
  transform: rotate(180deg);
  pointer-events: none;
}

.portfolio-related {
  padding: 32px 0 56px;
}

.portfolio-related-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  width: min(100% - 120px, 1280px);
  margin-inline: auto;
  padding: 0 clamp(24px, 8.4vw, 107px);
}

.related-nav-link {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 14px;
  flex: 0 0 auto;
  text-decoration: none;
  color: var(--color-text-muted);
  transition: opacity 0.2s ease;
}

.related-nav-link--banner,
.related-nav-link--lp {
  align-items: flex-end;
}

.related-nav-link__text {
  font-family: var(--font-body);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.related-nav-link__arrow {
  display: block;
  width: 164px;
  height: 18px;
  flex-shrink: 0;
}

.related-nav-link:hover {
  opacity: 0.75;
}

@media (max-width: 1100px) {
  .portfolio-caption-body {
    gap: 32px;
    padding: 120px 40px 48px 0;
  }

  .portfolio-caption-bar {
    left: -50px;
  }

  .portfolio-showcase-inner {
    min-height: clamp(990px, 98vw, 1250px);
    padding-bottom: clamp(48px, 5vw, 65px);
  }

  .portfolio-showcase-desktop {
    width: 86.5625%;
    height: clamp(580px, 60.5vw, 774px);
  }

  .portfolio-showcase-phone {
    left: 71.40625%;
    top: clamp(280px, calc(41.3vw - 150px), 379px);
    width: 27.65625%;
    max-width: 354px;
    height: clamp(550px, 56.3vw, 721px);
  }
}

@media (max-width: 900px) {
  .portfolio-header .container {
    width: min(100% - 40px, 760px);
  }

  .portfolio-header-inner {
    align-items: center;
    padding-top: 46px;
  }

  .portfolio-back img {
    width: 120px;
  }

  .portfolio-menu-toggle {
    display: inline-flex;
    width: 54px;
    height: 43px;
    align-items: center;
    justify-content: center;
    border: 0;
    background: transparent;
    padding: 0;
    cursor: pointer;
  }

  .portfolio-nav {
    position: fixed;
    inset: 0;
    z-index: 30;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 32px;
    padding-top: 0;
    background: rgba(1, 39, 62, 0.92);
    color: var(--color-text-light);
    opacity: 0;
    visibility: hidden;
    transition:
      opacity 0.3s ease,
      visibility 0.3s ease;
  }

  .portfolio-nav.is-open {
    opacity: 1;
    visibility: visible;
  }

  .portfolio-title {
    padding-top: 24px;
  }

  .portfolio-title .container {
    width: min(100% - 40px, 760px);
    padding-inline: 0;
  }

  .portfolio-title-main {
    max-width: 100%;
    font-size: clamp(15px, 4.1vw, 20px);
    line-height: 1.45;
    font-weight: 500;
    text-wrap: balance;
  }

  .portfolio-title-sub {
    max-width: 100%;
    font-size: 14px;
    line-height: 1.6;
  }

  .portfolio-showcase .container {
    width: min(100% - 40px, 760px);
    padding-inline: 0;
  }

  .portfolio-showcase-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    min-height: auto;
    padding: 24px 0 32px;
    overflow: visible;
  }

  .portfolio-showcase-desktop {
    position: relative;
    width: 100%;
    max-width: 360px;
    aspect-ratio: auto;
    height: auto;
    overflow: visible;
    flex-shrink: 0;
    margin-bottom: 0;
  }

  .portfolio-showcase-desktop img {
    position: relative;
    left: auto;
    top: auto;
    width: 100%;
    height: auto;
    max-width: 100%;
    object-fit: contain;
    object-position: center center;
    display: block;
    transform: none;
  }

  .portfolio-showcase-phone {
    position: relative;
    top: auto;
    right: auto;
    bottom: auto;
    left: auto;
    align-self: center;
    width: 100%;
    max-width: 360px;
    height: auto;
    margin-inline: auto;
    overflow: visible;
    flex-shrink: 0;
    z-index: 2;
    pointer-events: auto;
    display: flex;
    justify-content: center;
    align-items: center;
  }

  .portfolio-showcase-phone img {
    position: relative;
    left: auto;
    top: auto;
    transform: none;
    width: auto;
    max-width: min(100%, 360px);
    height: auto;
    margin-inline: auto;
    object-fit: contain;
    object-position: center center;
    display: block;
  }

  .portfolio-gallery {
    padding: 0 0 clamp(48px, 8vw, 80px);
  }

  .portfolio-gallery .container {
    width: min(100% - 40px, 760px);
    padding-inline: 0;
  }

  .portfolio-caption-col p:not(.portfolio-caption-label),
  .portfolio-caption-col p.portfolio-caption-label {
    font-size: 16px;
  }

  .portfolio-gallery-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 32px;
    padding-top: 0;
  }

  .portfolio-gallery-item {
    width: 100%;
    max-width: 360px;
    margin-inline: auto;
  }

  .portfolio-caption-frame {
    margin-top: 24px;
  }

  .portfolio-caption-bar {
    position: relative;
    left: 0;
    width: 100%;
    min-height: 80px;
  }

  .portfolio-caption-body {
    grid-template-columns: 1fr;
    padding: 24px 20px 40px;
  }

  .portfolio-caption-bar p {
    font-size: 18px;
  }

  .portfolio-caption-corner {
    width: 72px;
    height: 72px;
  }

  .portfolio-related-inner {
    width: min(100% - 40px, 760px);
    padding: 0 20px;
    gap: 16px;
  }

  .related-nav-link__text {
    font-size: 16px;
  }

  .related-nav-link__arrow {
    width: min(164px, 42vw);
    height: auto;
  }
}