/* ============================================
   IT Solution Page Styles
   ============================================ */

/* ========== 還元セクション ========== */
.it-return {
  padding: 80px 0 20px;
  background: var(--color-white);
}
@media (min-width: 768px) {
  .it-return {
    padding: 100px 0 30px;
  }
}
@media (min-width: 1024px) {
  .it-return {
    padding: 120px 0 40px;
  }
}
.it-return__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.it-return__title {
  font-family: var(--font-family-accent);
  font-size: 22px;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 30px;
}
@media (min-width: 768px) {
  .it-return__title {
    font-size: 30px;
    margin-bottom: 40px;
  }
}
@media (min-width: 1024px) {
  .it-return__title {
    font-size: 40px;
  }
}
.it-return__description {
  font-family: var(--font-family-accent);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  line-height: 2;
  margin-bottom: 30px;
}
@media (min-width: 768px) {
  .it-return__description {
    font-size: 16px;
    margin-bottom: 40px;
  }
}
.it-return__points {
  list-style: none;
  padding: 0;
  margin: 0 0 30px;
}
@media (min-width: 768px) {
  .it-return__points {
    margin-bottom: 40px;
  }
}
.it-return__point {
  font-family: var(--font-family-accent);
  font-size: 16px;
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.85;
  padding-left: 24px;
  position: relative;
}
@media (min-width: 768px) {
  .it-return__point {
    font-size: 18px;
  }
}
.it-return__point::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 12px;
  height: 12px;
  background: var(--color-primary);
  border-radius: 50%;
}
@media (min-width: 768px) {
  .it-return__point::before {
    width: 14px;
    height: 14px;
  }
}
.it-return__sub-description {
  font-family: var(--font-family-accent);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  line-height: 2;
}
@media (min-width: 768px) {
  .it-return__sub-description {
    font-size: 16px;
  }
}

/* 還元セクション 2カラムレイアウト */
.it-return__content {
  display: flex;
  flex-direction: column;
  gap: 40px;
}
@media (min-width: 1024px) {
  .it-return__content {
    flex-direction: row;
    gap: 60px;
    align-items: flex-start;
  }
}
.it-return__text {
  flex: 1;
}
.it-return__diagram {
  flex: 0 0 auto;
  width: 100%;
  max-width: 320px;
  margin: 0 auto;
}
@media (min-width: 768px) {
  .it-return__diagram {
    max-width: 380px;
  }
}
@media (min-width: 1024px) {
  .it-return__diagram {
    width: 432px;
    max-width: none;
    margin: 0;
  }
}
.it-return__diagram-image {
  width: 100%;
  height: auto;
}

/* ========== 強みセクション ========== */
.it-strength {
  padding: 60px 0 0;
  background: var(--color-white);
}
@media (min-width: 768px) {
  .it-strength {
    padding: 80px 0 0;
  }
}
@media (min-width: 1024px) {
  .it-strength {
    padding: 100px 0 0;
  }
}
.it-strength__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
}
.it-strength__header {
  max-width: 1080px;
  margin: 0 auto 40px;
  padding: 0 var(--container-padding);
}
@media (min-width: 768px) {
  .it-strength__header {
    margin-bottom: 50px;
  }
}
@media (min-width: 1200px) {
  .it-strength__header {
    padding: 0;
  }
}
.it-strength__title {
  font-family: var(--font-family-accent);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1;
  margin-bottom: 20px;
}
@media (min-width: 768px) {
  .it-strength__title {
    font-size: 28px;
    margin-bottom: 25px;
  }
}
@media (min-width: 1024px) {
  .it-strength__title {
    font-size: 32px;
  }
}
.it-strength__description {
  font-family: var(--font-family-accent);
  font-size: 16px;
  font-weight: 500;
  color: var(--color-secondary);
  line-height: 1.8;
}
@media (min-width: 1024px) {
  .it-strength__description {
    font-size: 18px;
  }
}
.it-strength__diagram {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
  position: relative;
  z-index: 1;
}
@media (min-width: 1200px) {
  .it-strength__diagram {
    padding: 0;
  }
}
.it-strength__diagram-image {
  width: 100%;
  height: auto;
}
.it-strength__banner {
  background: var(--gradient-primary);
  padding: 60px 30px 40px;
  text-align: center;
  /* 画面幅いっぱいに広げる */
  margin-left: calc(-50vw + 50%);
  margin-right: calc(-50vw + 50%);
  width: 100vw;
  /* SP版でも画像が被るように */
  margin-top: -30px;
}
@media (min-width: 768px) {
  .it-strength__banner {
    padding: 80px 50px 60px;
    margin-top: -40px;
  }
}
@media (min-width: 1024px) {
  .it-strength__banner {
    height: 300px;
    margin-top: -50px;
    padding-top: 100px;
    box-sizing: border-box;
  }
}
.it-strength__banner-title {
  font-family: var(--font-family-accent);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.5;
  margin-bottom: 20px;
}
@media (min-width: 768px) {
  .it-strength__banner-title {
    font-size: 24px;
    margin-bottom: 25px;
  }
}
@media (min-width: 1024px) {
  .it-strength__banner-title {
    font-size: 28px;
  }
}
.it-strength__banner-description {
  font-family: var(--font-family-accent);
  font-size: 16px;
  font-weight: 700;
  color: var(--color-white);
  line-height: 1.6;
}
@media (min-width: 1024px) {
  .it-strength__banner-description {
    font-size: 20px;
  }
}

/* ========== PROJECTセクション ========== */
.it-project {
  padding: 20px 0 40px;
  background: var(--color-white);
}
@media (min-width: 768px) {
  .it-project {
    padding: 30px 0 50px;
  }
}
@media (min-width: 1024px) {
  .it-project {
    padding: 40px 0 60px;
  }
}
.it-project__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.it-project__cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 40px;
}
@media (min-width: 768px) {
  .it-project__cards {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: 60px;
  }
}
.it-project__card {
  display: flex;
  flex-direction: column;
  padding: 30px 20px;
  border-bottom: 1px solid var(--color-border-thin);
}
@media (min-width: 768px) {
  .it-project__card {
    padding: 30px;
    border-bottom: none;
    border-right: 1px solid var(--color-border-thin);
  }
  .it-project__card:last-child {
    border-right: none;
  }
}
.it-project__card-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 20px;
}
.it-project__card-icon img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.it-project__card-title {
  font-family: var(--font-family-accent);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-secondary);
  text-align: center;
  margin-bottom: 15px;
}
.it-project__card-description {
  font-family: var(--font-family-accent);
  font-size: 16px;
  font-weight: 400;
  color: var(--color-secondary);
  line-height: 1.5;
  margin-bottom: 15px;
  flex: 1;
}
.it-project__card-tags {
  margin-top: auto;
}
.it-project__card-tag {
  font-family: var(--font-family-accent);
  font-size: 14px;
  font-weight: 400;
  color: #8A8A8A;
  line-height: 1;
}

/* ========== COMPLIANCEセクション ========== */
.it-compliance {
  padding: 20px 0 80px;
  background: var(--color-white);
}
@media (min-width: 768px) {
  .it-compliance {
    padding: 30px 0 100px;
  }
}
@media (min-width: 1024px) {
  .it-compliance {
    padding: 40px 0 120px;
  }
}
.it-compliance__inner {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--container-padding);
}
.it-compliance__lead {
  font-family: var(--font-family-accent);
  font-size: 20px;
  font-weight: 700;
  color: var(--color-secondary);
  line-height: 1.6;
  margin-top: 30px;
  margin-bottom: 40px;
}
@media (min-width: 768px) {
  .it-compliance__lead {
    font-size: 24px;
    margin-top: 40px;
    margin-bottom: 50px;
  }
}
.it-compliance__content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 40px;
}
@media (min-width: 1024px) {
  .it-compliance__content {
    flex-direction: row;
    align-items: flex-start;
    gap: 60px;
  }
}
.it-compliance__image {
  flex: 0 0 auto;
  width: 100%;
  max-width: 400px;
}
@media (min-width: 1024px) {
  .it-compliance__image {
    width: 525px;
    max-width: none;
  }
}
.it-compliance__image img {
  width: 100%;
  max-height: 430px;
  object-fit: contain;
}
.it-compliance__list {
  flex: 1;
  width: 100%;
}
.it-compliance__item {
  padding: 15px 0;
  border-bottom: 1px solid var(--color-border-medium);
}
@media (min-width: 768px) {
  .it-compliance__item {
    padding: 20px 0;
  }
}
.it-compliance__item:first-child {
  padding-top: 0;
}
.it-compliance__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}
.it-compliance__item-title {
  font-family: var(--font-family-accent);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}
@media (min-width: 768px) {
  .it-compliance__item-title {
    font-size: 20px;
    margin-bottom: 15px;
  }
}
.it-compliance__item-text {
  font-family: var(--font-family-accent);
  font-size: 14px;
  font-weight: 500;
  color: var(--color-secondary);
  line-height: 1.75;
}
@media (min-width: 768px) {
  .it-compliance__item-text {
    font-size: 16px;
  }
}

/* GSAP ScrollTrigger パララックス用 (PC) */
@media (min-width: 1024px) {
  .it-compliance__content {
    position: relative;
    align-items: flex-start;
  }

  .it-compliance__image {
    flex-shrink: 0;
  }

  .it-compliance__list {
    padding-top: 20px;
  }
}

/* SERVICE FLOW後のCTAバナー背景調整（上半分のみ、下半分はfooter-areaが担当） */
.page-service-it .cta-banner-wrapper {
  background: linear-gradient(to bottom, var(--color-bg-light) 100px, transparent 100px);
}
@media (min-width: 768px) {
  .page-service-it .cta-banner-wrapper {
    background: linear-gradient(to bottom, var(--color-bg-light) 50%, transparent 50%);
  }
}