/* ========================================
   TOPページ専用CSS - 株式会社Insup
======================================== */

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  position: relative;
  padding: 120px 40px 80px;
}

.hero__content {
  max-width: 1000px;
  margin: 0 auto;
}

.hero__title {
  font-size: 56px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.hero__title-highlight {
  display: block;
  font-size: 64px;
  background: linear-gradient(90deg, #ffffff 0%, #999999 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-top: 10px;
}

.hero__subtitle {
  font-size: 18px;
  color: var(--color-light-gray);
  margin-bottom: 40px;
  letter-spacing: 0.1em;
}

.hero__buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: var(--color-light-gray);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.hero__scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-light-gray);
  animation: scrollAnimation 2s ease-in-out infinite;
}

@keyframes scrollAnimation {
  0%, 100% {
    transform: translateY(0);
    opacity: 0;
  }
  50% {
    transform: translateY(20px);
    opacity: 1;
  }
}

/* About Section */
.about__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about__description {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-light-gray);
  margin-bottom: 40px;
}

.about__image {
  width: 100%;
  height: 500px;
  background: var(--color-gray);
  display: flex;
  align-items: center;
  justify-content: center;
}

.image-placeholder {
  color: var(--color-mid-gray);
  font-size: 24px;
  font-weight: 600;
  letter-spacing: 0.2em;
}

/* Services Section */
.center {
  text-align: center;
  margin-left: auto;
  margin-right: auto;
}

.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 60px;
}

.service-card {
  background: rgba(255, 255, 255, 0.02);
  padding: 40px 30px;
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.service-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-5px);
}

.service-card__icon {
  font-size: 48px;
  font-weight: 700;
  font-family: var(--font-english);
  color: var(--color-mid-gray);
  margin-bottom: 20px;
}

.service-card__title {
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.service-card__description {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-light-gray);
}

.services__cta {
  text-align: center;
}

/* Achievements Section */
.achievements__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 60px;
  margin-bottom: 60px;
}

.stat-card {
  text-align: center;
  padding: 40px 20px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.1);
  transition: var(--transition-smooth);
}

.stat-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.stat-card__number {
  font-size: 64px;
  font-weight: 700;
  font-family: var(--font-english);
  background: linear-gradient(90deg, #ffffff 0%, #999999 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 15px;
}

.stat-card__label {
  font-size: 14px;
  color: var(--color-light-gray);
  letter-spacing: 0.05em;
}

.achievements__description {
  text-align: center;
  color: var(--color-light-gray);
  font-size: 15px;
  line-height: 1.9;
}

/* Strengths Section */
.strengths .section__title {
  margin-bottom: 40px;
}

.strengths .section__title::after {
  bottom: -15px;
}

.strengths__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
  margin-top: -20px;
}

.strength-card {
  background: rgba(255, 255, 255, 0.02);
  padding: 40px;
  border-left: 3px solid var(--color-white);
  transition: var(--transition-smooth);
}

.strength-card:hover {
  background: rgba(255, 255, 255, 0.05);
  border-left-color: var(--color-light-gray);
}

.strength-card__number {
  font-size: 14px;
  font-family: var(--font-english);
  color: var(--color-mid-gray);
  margin-bottom: 15px;
  letter-spacing: 0.2em;
}

.strength-card__title {
  font-size: 24px;
  font-weight: 600;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

.strength-card__description {
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-light-gray);
}

/* CTA Section */
.cta {
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.cta__content {
  text-align: center;
  max-width: 900px;
  margin: 0 auto;
}

.cta__title {
  font-size: 40px;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0.05em;
}

.cta__description {
  font-size: 16px;
  color: var(--color-light-gray);
  margin-bottom: 40px;
  line-height: 1.9;
}

.cta__buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: 60px;
}

.cta__info {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-top: 60px;
  padding-top: 60px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.cta__info-item {
  display: flex;
  flex-direction: column;
  gap: 10px;
  text-align: center;
}

.cta__info-label {
  font-size: 14px;
  color: var(--color-light-gray);
  letter-spacing: 0.05em;
}

.cta__info-value {
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-english);
  background: linear-gradient(90deg, #ffffff 0%, #999999 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* レスポンシブ */
@media (max-width: 1024px) {
  .hero__title {
    font-size: 48px;
  }

  .hero__title-highlight {
    font-size: 56px;
  }

  .services__grid {
    grid-template-columns: 1fr;
  }

  .about__content {
    grid-template-columns: 1fr;
    gap: 60px;
  }

  .strengths__grid {
    grid-template-columns: 1fr;
  }

  .achievements__stats {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  .hero {
    padding: 100px 20px 60px;
  }

  .hero__title {
    font-size: 36px;
  }

  .hero__title-highlight {
    font-size: 40px;
  }

  .hero__subtitle {
    font-size: 16px;
  }

  .hero__buttons {
    flex-direction: column;
    align-items: center;
  }

  .hero__buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .about__image {
    height: 400px;
  }

  .service-card {
    padding: 30px 20px;
  }

  .cta__title {
    font-size: 32px;
  }

  .cta__info {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .stat-card__number {
    font-size: 48px;
  }
}

@media (max-width: 480px) {
  .hero__title {
    font-size: 28px;
  }

  .hero__title-highlight {
    font-size: 32px;
  }

  .about__image {
    height: 300px;
  }

  .cta__title {
    font-size: 24px;
  }

  .cta__buttons {
    flex-direction: column;
  }

  .cta__buttons .btn {
    width: 100%;
  }

  .cta__info-value {
    font-size: 24px;
  }

  .strength-card {
    padding: 30px 20px;
  }

  .stat-card__number {
    font-size: 40px;
  }
}