/* ================================================
   夜凪舎 - Apps Page Styles
   アプリ一覧・アプリ詳細ページ用スタイル
   ================================================ */

/* === Apps List Page === */
.apps-page {
  padding-top: var(--space-32);
}

.apps-page__header {
  padding: var(--space-24) 0 var(--space-16);
  text-align: center;
}

.apps-page__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--color-cream);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-4);
}

.apps-page__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

/* === App Feature Card (一覧ページ用) === */
.app-feature {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-16) 0;
}

@media (min-width: 768px) {
  .app-feature {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-16);
  }
}

@media (min-width: 1024px) {
  .app-feature {
    grid-template-columns: 1fr 1.5fr;
    gap: var(--space-24);
  }
}

.app-feature__visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.app-feature__icon {
  width: 200px;
  height: 200px;
  border-radius: 24px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
  transition: transform var(--duration-normal) var(--ease-out-expo);
}

@media (min-width: 768px) {
  .app-feature__icon {
    width: 280px;
    height: 280px;
    border-radius: 32px;
  }
}

.app-feature:hover .app-feature__icon {
  transform: translateY(-8px) rotate(-2deg);
}

.app-feature__content {
  text-align: center;
}

@media (min-width: 768px) {
  .app-feature__content {
    text-align: left;
    padding-left: var(--space-8);
  }
}

.app-feature__name {
  font-family: var(--font-ja-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-2);
}

@media (min-width: 768px) {
  .app-feature__name {
    font-size: var(--text-4xl);
  }
}

.app-feature__tagline {
  font-size: var(--text-lg);
  color: var(--color-gold);
  margin-bottom: var(--space-6);
  letter-spacing: var(--tracking-wide);
}

.app-feature__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-8);
  max-width: 500px;
}

@media (min-width: 768px) {
  .app-feature__description {
    margin-bottom: var(--space-10);
  }
}

.app-feature__platform {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-6);
}

.app-feature__actions {
  display: flex;
  gap: var(--space-4);
  justify-content: center;
}

@media (min-width: 768px) {
  .app-feature__actions {
    justify-content: flex-start;
  }
}

/* === App Detail Page === */
.app-detail {
  padding-top: var(--space-32);
}

/* App Hero */
.app-hero {
  padding: var(--space-16) 0 var(--space-24);
  text-align: center;
}

@media (min-width: 768px) {
  .app-hero {
    padding: var(--space-24) 0 var(--space-32);
  }
}

.app-hero__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-8);
}

@media (min-width: 768px) {
  .app-hero__content {
    flex-direction: row;
    justify-content: center;
    gap: var(--space-16);
    text-align: left;
  }
}

.app-hero__icon {
  width: 160px;
  height: 160px;
  border-radius: 32px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .app-hero__icon {
    width: 200px;
    height: 200px;
    border-radius: 40px;
  }
}

.app-hero__info {
  display: flex;
  flex-direction: column;
  align-items: center;
}

@media (min-width: 768px) {
  .app-hero__info {
    align-items: flex-start;
  }
}

.app-hero__name {
  font-family: var(--font-ja-display);
  font-size: var(--text-4xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-1);
}

@media (min-width: 768px) {
  .app-hero__name {
    font-size: var(--text-5xl);
  }
}

.app-hero__name-en {
  font-family: var(--font-en-display);
  font-size: var(--text-lg);
  font-weight: 300;
  font-style: italic;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
}

.app-hero__tagline {
  font-size: var(--text-xl);
  color: var(--color-gold);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .app-hero__tagline {
    font-size: var(--text-2xl);
  }
}

.app-hero__actions {
  display: flex;
  gap: var(--space-4);
}

/* App Overview */
.app-overview {
  padding: var(--space-16) 0;
  background-color: rgba(255, 255, 255, 0.02);
}

@media (min-width: 768px) {
  .app-overview {
    padding: var(--space-24) 0;
  }
}

.app-overview__content {
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.app-overview__text {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-6);
}

.app-overview__text--emphasis {
  font-family: var(--font-ja-display);
  font-size: var(--text-xl);
  color: var(--color-cream);
  line-height: var(--leading-relaxed);
}

@media (min-width: 768px) {
  .app-overview__text--emphasis {
    font-size: var(--text-2xl);
  }
}

/* App Features */
.app-features {
  padding: var(--space-24) 0;
}

.app-features__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-cream);
  text-align: center;
  margin-bottom: var(--space-16);
  letter-spacing: var(--tracking-wide);
}

.app-features__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-24);
}

/* Feature Item - 交互レイアウト */
.feature-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .feature-item {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-16);
  }

  .feature-item:nth-child(even) .feature-item__visual {
    order: 2;
  }

  .feature-item:nth-child(even) .feature-item__content {
    order: 1;
    text-align: right;
  }
}

.feature-item__visual {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 300px;
}

@media (min-width: 768px) {
  .feature-item__visual {
    min-height: 400px;
  }
}

@media (min-width: 1024px) {
  .feature-item__visual {
    min-height: 500px;
  }
}

.feature-item__image {
  max-width: 100%;
  max-height: 400px;
  border-radius: 16px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
  cursor: pointer;
}

.feature-item__image:hover {
  transform: scale(1.05);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
}

@media (min-width: 768px) {
  .feature-item__image {
    max-height: 500px;
  }
}

@media (min-width: 1024px) {
  .feature-item__image {
    max-height: 600px;
  }
}

/* ソラのアイコンは小さめに */
.feature-item__image--icon {
  max-height: 300px;
}

@media (min-width: 768px) {
  .feature-item__image--icon {
    max-height: 350px;
  }
}

@media (min-width: 1024px) {
  .feature-item__image--icon {
    max-height: 400px;
  }
}

.feature-item__placeholder {
  width: 100%;
  max-width: 300px;
  aspect-ratio: 4/5;
  background: linear-gradient(135deg, var(--color-navy) 0%, var(--color-navy-light) 100%);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.feature-item__content {
  padding: var(--space-4);
}

@media (min-width: 768px) {
  .feature-item__content {
    padding: var(--space-8);
  }
}

.feature-item__number {
  font-family: var(--font-en-display);
  font-size: var(--text-4xl);
  font-weight: 300;
  color: var(--color-gold-dim);
  opacity: 0.5;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.feature-item__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-2xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-4);
}

.feature-item__description {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  line-height: var(--leading-relaxed);
}

/* Screenshots Gallery */
.app-screenshots {
  padding: var(--space-24) 0;
  background-color: rgba(255, 255, 255, 0.02);
  overflow: hidden;
}

.app-screenshots__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-cream);
  text-align: center;
  margin-bottom: var(--space-12);
}

.app-screenshots__gallery {
  display: flex;
  gap: var(--space-6);
  justify-content: center;
  flex-wrap: wrap;
  padding: 0 var(--space-4);
}

.app-screenshots__item {
  flex: 0 0 auto;
  width: 180px;
}

@media (min-width: 768px) {
  .app-screenshots__item {
    width: 220px;
  }
}

@media (min-width: 1024px) {
  .app-screenshots__item {
    width: 260px;
  }
}

.app-screenshots__mockup {
  position: relative;
  background: linear-gradient(180deg, #2a2a5a 0%, #1e1e4a 100%);
  border-radius: 24px;
  padding: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
  transition: transform var(--duration-normal) var(--ease-out-expo),
              box-shadow var(--duration-normal) var(--ease-out-expo);
  cursor: pointer;
}

.app-screenshots__mockup:hover {
  transform: scale(1.05);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.5);
}

.app-screenshots__image {
  width: 100%;
  border-radius: 18px;
  display: block;
}

/* Download Section */
.app-download {
  padding: var(--space-24) 0;
  text-align: center;
}

.app-download__content {
  max-width: 600px;
  margin: 0 auto;
}

.app-download__title {
  font-family: var(--font-ja-display);
  font-size: var(--text-3xl);
  font-weight: 400;
  color: var(--color-cream);
  margin-bottom: var(--space-4);
}

.app-download__description {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-8);
}

.app-download__buttons {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  align-items: center;
}

@media (min-width: 480px) {
  .app-download__buttons {
    flex-direction: row;
    justify-content: center;
  }
}

.app-download__badge {
  height: 60px;
  transition: transform var(--duration-fast) var(--ease-out-quart);
}

.app-download__badge:hover {
  transform: scale(1.05);
}

/* Related Links */
.app-links {
  padding: var(--space-16) 0;
  border-top: 1px solid var(--color-border);
}

.app-links__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4) var(--space-8);
}

.app-links__item {
  font-size: var(--text-sm);
  color: var(--color-text-secondary);
}

.app-links__item a {
  color: var(--color-wave-light);
  transition: color var(--duration-fast) var(--ease-out-quart);
}

.app-links__item a:hover {
  color: var(--color-gold);
}

/* === Animation Classes === */
.app-feature,
.feature-item,
.app-screenshots__item {
  opacity: 0;
  transform: translateY(30px);
  transition:
    opacity var(--duration-slow) var(--ease-out-expo),
    transform var(--duration-slow) var(--ease-out-expo);
}

.app-feature.is-visible,
.feature-item.is-visible,
.app-screenshots__item.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Staggered animation for screenshots */
.app-screenshots__item:nth-child(1) { transition-delay: 0ms; }
.app-screenshots__item:nth-child(2) { transition-delay: 100ms; }
.app-screenshots__item:nth-child(3) { transition-delay: 200ms; }