.p-product-detail-page .l-container {
  max-width: calc(1200px + var(--container-padding) * 2);
}

.p-product-detail {
  background: var(--color-bg-white);
  overflow-x: hidden;
}

.p-product-detail__section-title {
  margin-bottom: 40px;
  font-size: var(--font-size-4xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-loose);
  letter-spacing: 0.08em;
  text-align: center;
}

.p-product-detail__section-title--light {
  color: var(--color-text-on-dark);
}

.p-product-detail__hero {
  padding: 120px 0 0;
}

.p-product-detail__hero-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 410px;
  align-items: center;
  gap: 32px;
}

.p-product-detail__hero-lead {
  margin-bottom: 55px;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-normal);
  letter-spacing: 0;
}

.p-product-detail__hero-title {
  margin-bottom: 40px;
  font-size: var(--font-size-3xl);
  font-weight: var(--font-weight-black);
  line-height: var(--line-height-loose);
  letter-spacing: 0;
}

.p-product-detail__hero-tags {
  display: flex;
  align-items: center;
  margin-bottom: 34px;
  color: var(--color-primary);
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-bold);
}

.p-product-detail__hero-tags li {
  font-size: var(--font-size-lg-ic);
  line-height: var(--line-height-normal);
  padding: 6px 16px;
  border-right: 1px solid var(--color-primary);
}

.p-product-detail__rental-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  color: var(--color-text-on-dark);
  background: var(--color-primary);
  font-weight: var(--font-weight-bold);
  transition: opacity 0.2s ease;
}

.p-product-detail__rental-button {
  width: 555px;
  max-width: 100%;
  min-height: 72px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-xl);
}

.p-product-detail__rental-button img {
  display: none;
}

.p-product-detail__rental-button::after {
  content: "";
  display: flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-bg-white) url("data:image/svg+xml,%3Csvg width='18' height='5' viewBox='0 0 18 5' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4H17L13.7609 1' stroke='%235d5099' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C%2Fsvg%3E") 50% 50%/20px no-repeat;
  transition: transform 0.2s ease;
}

.p-product-detail__rental-button:hover {
  background: var(--color-primary-hover);
}

.p-product-detail__rental-button:hover::after {
  transform: translateX(5px);
}

.p-product-detail__hero-image img {
  width: 100%;
  height: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
}

.p-product-detail__gallery {
  padding: 80px 0 0;
}

.p-product-detail__gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.p-product-detail__gallery-item {
  aspect-ratio: 282 / 211;
  overflow: hidden;
}

.p-product-detail__gallery-grid img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.p-product-detail__specification {
  padding: 120px 0;
}

.p-product-detail__spec-list {
  border-top: 1px solid var(--color-border);
}

.p-product-detail__spec-list > div {
  display: grid;
  grid-template-columns: 352px 1fr;
  border-bottom: 1px solid #e8e8e8;
}

.p-product-detail__spec-list dt,
.p-product-detail__spec-list dd {
  display: flex;
  justify-content: center;
  flex-direction: column;
  padding: 16px 24px;
  font-weight: var(--font-weight-bold);
}

.p-product-detail__spec-list dt {
  background: var(--color-bg-section);
}

.p-product-detail__spec-list small {
  font-size: var(--font-size-sm);
}

.p-product-detail__features {
  padding: 120px 0;
  color: var(--color-text-on-dark);
  background: var(--color-primary) url("../../img/common/lower_page_fv_background.jpg");
  background-position: center;
  background-size: cover;
}

.p-product-detail__feature-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.p-product-detail__feature-card {
  padding: 40px 24px 32px;
  color: var(--color-text);
  background: var(--color-bg-white);
  border-radius: 20px;
  text-align: center;
}

.p-product-detail__feature-number {
  display: grid;
  place-items: center;
  width: 64px;
  height: 64px;
  margin: 0 auto 32px;
  color: var(--color-text-on-dark);
  background: var(--color-primary);
  border-radius: 50%;
  font-size: var(--font-size-2xl);
  font-weight: var(--font-weight-black);
  font-family: var(--font-family-en);
}

.p-product-detail__feature-card h3 {
  margin-bottom: 24px;
  font-size: var(--font-size-xl);
  line-height: var(--line-height-tight);
}

.p-product-detail__feature-card p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  text-align: left;
}

.p-product-detail__developer {
  margin-top: 120px;
  border-bottom: 2px solid rgba(255, 255, 255, 0.9);
}

.p-product-detail__developer-label {
  display: flex;
  align-items: center;
  gap: 32px;
  margin: 0 0 32px;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-black);
  text-align: center;
  letter-spacing: 0.08em;
}

.p-product-detail__developer-label::before,
.p-product-detail__developer-label::after {
  content: "";
  width: 100%;
  height: 2px;
  flex: 1;
  background: rgba(255, 255, 255, 0.9);
}

.p-product-detail__developer-body {
  display: grid;
  grid-template-columns: 152px 1fr;
  align-items: center;
  gap: 32px;
  padding: 0 56px 32px;
}

.p-product-detail__developer-body img {
  width: 152px;
  aspect-ratio: 1;
  object-fit: cover;
  border-radius: 50%;
}

.p-product-detail__developer-body h3 {
  margin-bottom: 24px;
  font-size: var(--font-size-2xl);
  line-height: 1;
}

.p-product-detail__developer-body p {
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
  text-align: justify;
}

.p-product-detail__examples {
  padding: 80px 0;
  background: var(--color-bg-section);
}

.p-product-detail__example-viewport {
  overflow: hidden;
}

.p-product-detail__example-track {
  display: flex;
  gap: 24px;
  transition: transform 0.4s ease;
  will-change: transform;
}

.p-product-detail__example-track li {
  flex: 0 0 320px;
}

.p-product-detail__example-track img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.p-product-detail__example-track p {
  margin-top: 8px;
  font-size: var(--font-size-lg-ic);
  font-weight: var(--font-weight-bold);
}

.p-product-detail__example-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 72px;
  margin-top: 40px;
}

.p-product-detail__example-arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
}

.p-product-detail__example-arrow img {
  width: 12px;
  filter: brightness(0) invert(1);
}

.p-product-detail__example-dots {
  display: flex;
  gap: 24px;
}

.p-product-detail__example-dots span {
  width: 12px;
  height: 12px;
  background: #ddd;
  border-radius: 50%;
  cursor: pointer;
}

.p-product-detail__example-dots .is-active {
  background: var(--color-primary);
}

.p-product-detail__cases {
  padding: 120px 0;
}

.p-product-detail__cases .l-container {
  max-width: calc(980px + var(--container-padding) * 2);
}

.p-product-detail__case-list {
  display: grid;
  gap: 40px;
}

.p-product-detail__case-card {
  display: grid;
  grid-template-columns: 262px 1fr;
  align-items: center;
  gap: 32px;
  padding: 32px 40px;
  border: 4px solid var(--color-primary);
  border-radius: 20px;
}

.p-product-detail__case-card > img {
  width: 100%;
  aspect-ratio: 523 / 368;
  object-fit: cover;
}

.p-product-detail__case-card h3 {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-border);
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
  letter-spacing: 0.08em;
}

.p-product-detail__case-card p {
  padding-top: 16px;
  font-size: var(--font-size-base);
  line-height: var(--line-height-relaxed);
}

.p-product-detail__faq {
  padding: 120px 0;
}

.p-product-detail__faq-panel {
  width: calc(100% - 80px);
  margin-left: 80px;
  padding: 100px 0;
  background: var(--color-bg-section);
  border-radius: 100px 0 0 100px;
}

.p-product-detail__faq-heading {
  margin-bottom: 40px;
  text-align: center;
}

.p-product-detail__faq-heading > p {
  font-family: var(--font-family-en);
  font-size: 96px;
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-none);
}

.p-product-detail__faq-heading h2 {
  margin-top: 16px;
  font-size: var(--font-size-2xl);
  letter-spacing: 0.08em;
}

.p-product-detail__faq-list {
  max-width: 880px;
  margin: 0 auto;
}

.p-product-detail__faq-list .c-faq-item__question {
  font-weight: var(--font-weight-bold);
}

.p-product-detail__products {
  padding: 120px 0;
}

.p-product-detail__product-category {
  margin-bottom: 24px;
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-bold);
}

.p-product-detail__products .c-products__list {
  gap: 80px 32px;
}

.p-product-detail__products .c-arrow-button {
  padding-top: 40px;
  display: flex;
  justify-content: center;
}

@media (max-width: 1024px) {
  .p-product-detail__section-title {
    margin-bottom: 48px;
    font-size: var(--font-size-3xl);
  }

  .p-product-detail__hero {
    padding-top: 96px;
  }

  .p-product-detail__hero-inner {
    grid-template-columns: minmax(0, 1fr) 42%;
    gap: 40px;
  }

  .p-product-detail__hero-lead {
    margin-bottom: 40px;
    font-size: 25px;
  }

  .p-product-detail__hero-tags {
    flex-wrap: wrap;
    gap: 8px 0;
  }

  .p-product-detail__hero-tags li {
    font-size: var(--font-size-sm);
    padding: 0 8px;
  }

  .p-product-detail__rental-button {
    min-height: 64px;
    font-size: var(--font-size-lg);
  }

  .p-product-detail__gallery,
  .p-product-detail__specification,
  .p-product-detail__features,
  .p-product-detail__examples,
  .p-product-detail__cases,
  .p-product-detail__faq,
  .p-product-detail__products {
    padding-top: 80px;
    padding-bottom: 80px;
  }

  .p-product-detail__developer {
    margin-top: 80px;
  }

  .p-product-detail__feature-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: center;
  }

  .p-product-detail__feature-card:nth-child(3) {
    grid-column: 1 / -1;
    width: calc(50% - 12px);
    margin: 0 auto;
  }

  .p-product-detail__feature-card {
    padding: 32px 24px;
  }

  .p-product-detail__case-card {
    grid-template-columns: 240px 1fr;
    gap: 24px;
    padding: 24px 28px;
  }

  .p-product-detail__faq-panel {
    width: calc(100% - 40px);
    margin-left: 40px;
    padding: 80px 0;
  }

  .p-product-detail__spec-list > div {
    grid-template-columns: 260px 1fr;
  }

  .p-product-detail__developer-body {
    padding: 0 24px 32px;
  }
}

@media (max-width: 767px) {
  .p-product-detail__section-title {
    margin-bottom: 32px;
    font-size: 28px;
  }

  .p-product-detail__hero {
    padding-top: 40px;
  }

  .p-product-detail__hero-inner {
    display: flex;
    flex-direction: column-reverse;
    gap: 32px;
  }

  .p-product-detail__hero-copy {
    width: 100%;
  }

  .p-product-detail__hero-image {
    width: 100%;
    aspect-ratio: 4 / 3;
    overflow: hidden;
  }

  .p-product-detail__hero-lead {
    margin-bottom: 16px;
    font-size: var(--font-size-lg);
  }

  .p-product-detail__hero-lead br {
    display: none;
  }

  .p-product-detail__hero-title,
  .p-product-detail__hero-title span {
    line-height: var(--line-height-normal);
  }

  .p-product-detail__hero-title {
    margin-bottom: 24px;
  }

  .p-product-detail__hero-tags {
    margin-bottom: 28px;
  }

  .p-product-detail__hero-tags li {
    padding: 0 8px;
    font-size: var(--font-size-xs-ic);
  }

  .p-product-detail__rental-button {
    min-height: 56px;
    gap: 12px;
    padding-left: 16px;
    font-size: 15px;
  }

  .p-product-detail__rental-button img {
    width: 36px;
    height: 36px;
    padding: 10px;
  }

  .p-product-detail__gallery,
  .p-product-detail__specification,
  .p-product-detail__features,
  .p-product-detail__examples,
  .p-product-detail__cases,
  .p-product-detail__faq,
  .p-product-detail__products {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .p-product-detail__gallery-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 8px;
    padding: 0 var(--container-padding);
  }

  .p-product-detail__spec-list > div {
    grid-template-columns: 38% 1fr;
  }

  .p-product-detail__spec-list dt,
  .p-product-detail__spec-list dd {
    padding: 14px 12px;
    font-size: 13px;
  }

  .p-product-detail__feature-list {
    grid-template-columns: 1fr;
  }

  .p-product-detail__feature-card:nth-child(3) {
    width: 100%;
    margin: 0;
  }

  .p-product-detail__developer {
    margin-top: 56px;
  }

  .p-product-detail__developer-label {
    gap: 24px;
    font-size: var(--font-size-lg);
  }

  .p-product-detail__developer-body {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 0 0 32px;
    text-align: center;
  }

  .p-product-detail__developer-body img {
    width: 140px;
    height: 140px;
    margin: 0 auto;
  }

  .p-product-detail__developer-body h3 {
    font-size: 22px;
  }

  .p-product-detail__developer-body p {
    text-align: left;
  }

  .p-product-detail__example-track {
    gap: 12px;
  }

  .p-product-detail__example-track li {
    flex-basis: 72vw;
  }

  .p-product-detail__example-track img {
    height: auto;
    aspect-ratio: 2 / 3;
  }

  .p-product-detail__example-track p {
    font-size: var(--font-size-base);
  }

  .p-product-detail__example-controls {
    gap: 28px;
    margin-top: 36px;
  }

  .p-product-detail__example-dots {
    gap: 12px;
  }

  .p-product-detail__case-list {
    gap: 24px;
  }

  .p-product-detail__case-card {
    grid-template-columns: 1fr;
    gap: 24px;
    padding: 20px;
    border-width: 3px;
  }

  .p-product-detail__case-card h3 {
    font-size: var(--font-size-lg);
  }

  .p-product-detail__case-card p {
    font-size: var(--font-size-sm);
  }

  .p-product-detail__faq-panel {
    width: calc(100% - 20px);
    margin-left: 20px;
    padding: 56px 0;
    border-radius: 48px 0 0 48px;
  }

  .p-product-detail__faq-heading > p {
    font-size: 52px;
  }

  .p-product-detail__faq-heading h2 {
    font-size: var(--font-size-xl);
  }

  .p-product-detail__products .c-products__list {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .p-product-detail__product-category {
    font-size: var(--font-size-base);
  }
}

/* ===== Gallery Modal ===== */
.p-product-detail__gallery-grid img {
  cursor: pointer;
  transition: opacity 0.2s ease;
}

.p-product-detail__gallery-grid img:hover {
  opacity: 0.85;
}

.p-gallery-modal {
  position: fixed;
  inset: 0;
  z-index: 9000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.p-gallery-modal[hidden] {
  display: none;
}

.p-gallery-modal__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.88);
  cursor: pointer;
}

.p-gallery-modal__close {
  position: absolute;
  top: 20px;
  right: 20px;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: var(--color-text-on-dark);
  background: rgba(51, 51, 51, 0.9);
  border-radius: 50%;
  font-size: 24px;
  line-height: 1;
  transition: background 0.2s ease;
}

.p-gallery-modal__close:hover {
  background: rgba(255, 255, 255, 0.3);
}

.p-gallery-modal__inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: min(90vw, 960px);
}

.p-gallery-modal__image {
  width: 100%;
  max-height: 70vh;
  object-fit: contain;
  transition: opacity 0.25s ease;
}

.p-gallery-modal__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 72px;
  margin-top: 32px;
}

.p-gallery-modal__arrow {
  display: grid;
  place-items: center;
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  transition: background 0.2s ease;
  flex-shrink: 0;
}

.p-gallery-modal__arrow:hover {
  background: var(--color-primary-hover);
}

.p-gallery-modal__arrow img {
  width: 12px;
  filter: brightness(0) invert(1);
}

.p-gallery-modal__dots {
  display: flex;
  gap: 24px;
}

.p-gallery-modal__dots span {
  width: 12px;
  height: 12px;
  background: rgba(255, 255, 255, 0.4);
  border-radius: 50%;
  cursor: pointer;
  transition: background 0.2s ease;
}

.p-gallery-modal__dots span.is-active {
  background: var(--color-primary);
}

@media (max-width: 767px) {
  .p-gallery-modal__close {
    top: 12px;
    right: 12px;
    width: 40px;
    height: 40px;
    font-size: 20px;
  }

  .p-gallery-modal__inner {
    width: 92vw;
  }

  .p-gallery-modal__image {
    max-height: 60vh;
  }

  .p-gallery-modal__controls {
    gap: 28px;
    margin-top: 24px;
  }

  .p-gallery-modal__dots {
    gap: 12px;
  }
}