/* ===================================
   トップページ専用スタイル
   =================================== */

/* ヒーロー */
.hero {
  min-height: 100svh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
  background: linear-gradient(145deg, #0e2540 0%, #1a3a5c 55%, #2a5480 100%);
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero-pattern {
  width: 100%;
  height: 100%;
}

/* 装飾ライン */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 120px;
  background: linear-gradient(to bottom, transparent, var(--kinari));
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  padding-top: 3rem;
  padding-bottom: 6rem;
}

.hero-label {
  font-size: 0.72rem;
  letter-spacing: 0.35em;
  color: var(--ai-pale);
  margin-bottom: 1.5rem;
  font-weight: 400;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.8rem);
  font-weight: 700;
  color: var(--white);
  line-height: 1.35;
  letter-spacing: 0.08em;
  margin-bottom: 1.5rem;
}

.hero-title span {
  display: inline-block;
  position: relative;
}

.hero-title span::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--akane);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1s ease 0.8s;
}

.hero-title span.visible::after,
.fade-in.visible ~ * .hero-title span::after {
  transform: scaleX(1);
}

.hero-inner .fade-in.visible ~ .hero-title span::after {
  transform: scaleX(1);
}

/* アンダーラインアニメーション用 */
.hero-title.underline-ready span::after {
  transform: scaleX(1);
}

.hero-catch {
  font-size: clamp(0.85rem, 2vw, 1rem);
  color: rgba(212, 228, 240, 0.85);
  line-height: 2;
  max-width: 540px;
  margin-bottom: 2.5rem;
  font-weight: 400;
}

.hero-btns {
  display: flex;
  gap: 1rem;
  flex-wrap: wrap;
}

.hero-btn-outline {
  color: var(--white);
  border-color: rgba(255,255,255,0.5);
}

.hero-btn-outline:hover {
  background: rgba(255,255,255,0.15);
  border-color: var(--white);
}

/* スクロールインジケーター */
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
}

.scroll-text {
  font-size: 0.6rem;
  letter-spacing: 0.3em;
  color: rgba(212,228,240,0.5);
}

.scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(212,228,240,0.5), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 0.8; transform: scaleY(1.15); }
}

/* ===================================
   イントロセクション
   =================================== */
.intro-section {
  padding: 7rem 0 6rem;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 5rem;
  align-items: center;
}

.intro-lead {
  font-size: 0.75rem;
  letter-spacing: 0.25em;
  color: var(--akane);
  margin-bottom: 1rem;
}

.intro-heading {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--ai);
  line-height: 1.5;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
}

.intro-body {
  color: var(--text);
  font-size: 0.92rem;
  line-height: 2;
  margin-bottom: 2rem;
}

.intro-img-wrap {
  position: relative;
}

.intro-img {
  width: 100%;
  border-radius: 4px;
  box-shadow: var(--shadow-hover);
  position: relative;
  z-index: 1;
}

.intro-img-deco {
  position: absolute;
  top: 20px;
  left: 20px;
  right: -20px;
  bottom: -20px;
  border: 2px solid var(--ai-pale);
  border-radius: 4px;
  z-index: 0;
}

/* ===================================
   特徴セクション
   =================================== */
.feature-section {
  padding: 5rem 0;
  background: var(--ai);
}

.feature-section .section-title {
  color: var(--white);
}

.feature-section .section-subtitle {
  color: var(--ai-pale);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.feature-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: 6px;
  padding: 2.5rem 2rem;
  text-align: center;
  transition: background var(--transition), transform var(--transition);
}

.feature-card:hover {
  background: rgba(255,255,255,0.1);
  transform: translateY(-4px);
}

.feature-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 1.5rem;
  color: var(--ai-pale);
}

.feature-icon svg {
  width: 100%;
  height: 100%;
}

.feature-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.1em;
  margin-bottom: 0.75rem;
}

.feature-body {
  font-size: 0.84rem;
  color: rgba(212,228,240,0.8);
  line-height: 1.9;
  font-weight: 400;
}

/* ===================================
   ピックアップギャラリー
   =================================== */
.pickup-section {
  padding: 6rem 0;
}

.pickup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 3rem;
}

.pickup-card {
  border-radius: 6px;
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: box-shadow var(--transition), transform var(--transition);
  cursor: pointer;
}

.pickup-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-6px);
}

.pickup-img-wrap {
  position: relative;
  aspect-ratio: 1 / 1;
  overflow: hidden;
}

.pickup-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.pickup-card:hover .pickup-img-wrap img {
  transform: scale(1.06);
}

.pickup-badge {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  background: var(--akane);
  color: var(--white);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  padding: 0.25rem 0.6rem;
  border-radius: 2px;
}

.pickup-badge-new {
  background: var(--ai);
}

.pickup-info {
  padding: 1.25rem 1.25rem 1.5rem;
}

.pickup-cat {
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--akane);
  display: block;
  margin-bottom: 0.4rem;
}

.pickup-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ai);
  margin-bottom: 0.3rem;
}

.pickup-sub {
  font-size: 0.78rem;
  color: var(--text-sub);
}

.pickup-more {
  text-align: center;
}

/* ===================================
   コンタクトセクション追加スタイル
   =================================== */
.contact-desc {
  font-size: 0.88rem;
  color: var(--ai-pale);
  line-height: 2;
  margin-top: 1rem;
}

/* ===================================
   レスポンシブ
   =================================== */
@media (max-width: 900px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .intro-img-deco {
    display: none;
  }

  .feature-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    max-width: 480px;
    margin: 0 auto;
  }

  .pickup-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .hero-catch br {
    display: none;
  }

  .pickup-grid {
    grid-template-columns: 1fr;
    max-width: 380px;
    margin: 0 auto 3rem;
  }

  .intro-section {
    padding: 4rem 0 3rem;
  }

  .feature-section {
    padding: 4rem 0;
  }

  .pickup-section {
    padding: 4rem 0;
  }
}