/* ソリューション共通 summary-box（中身の白いボックス） */
.solution-summary-box {
  background: var(--primary-color);
  padding: 40px 24px 32px 24px;
  margin: -200px auto 0 auto;
  box-shadow: 0 2px 16px #0001;
  position: relative;
  z-index: 1;
}

.solution-summary-title {
  color: #fff;
  font-size: 2rem;
  font-weight: bold;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
  padding-left: 100px;
}

.size400-br {
  display: none;
}

.size424-br {
  display: none;
}

.size500-br {
  display: none;
}

@media (max-width: 400px) {
  .size400-br {
    display: block;
  }
}

@media (max-width: 424px) {
  .size424-br {
    display: block;
  }
}

@media (max-width: 500px) {
  .size500-br {
    display: block;
  }
}

.solution-summary-text {
  font-size: 1.2rem;
  color: #fff;
  margin-bottom: 24px;
  line-height: 1.7;
  padding-left: 100px;
  padding-right: 100px;
}

.solution-summary-hr {
  border: none;
  border-top: 1px solid #fff;
  margin: 24px 100px 32px 100px;
}

.solution-feature-title {
  color: #fff;
  font-weight: bold;
  margin-bottom: 18px;
  font-size: 1.1em;
  min-width: 280px;
  text-align: center;
}

.solution-feature-img-wrap {
  background: #fff;
  border-radius: 50%;
  width: 180px;
  height: 180px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px auto;
}

.solution-feature-img {
  height: 150px;
  width: 150px;
  object-fit: cover;
  border-radius: 50%;
}

.solution-feature-desc {
  color: #fff;
  font-size: 1.1em;
  text-align: left;
  line-height: 1.7;
  min-width: 270px;
}

.solution-features {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 32px;
  padding: 0 50px;
}

.solution-features>div {
  background: var(--primary-color);
  border-radius: 24px;
  padding: 10px 16px 32px 0px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-basis: 0;
  flex-grow: 1;
}

.solution-summary-bg {
  width: 100%;
  height: 500px;
  background: url('../images/common/solution_bg01.jpg') center 0px/cover no-repeat;
  background-size: cover;
  z-index: 0;
  display: block;
}

/* ヒーローセクション 2カラムレイアウト */
.solution-hero {
  width: 100%;
  padding-top: 80px;
  transition: height 0.3s ease;
  position: relative;
}

.solution-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: contrast(100%) brightness(150%);
  background:
    linear-gradient(0deg, rgba(255, 255, 255, 0), rgba(112, 125, 141, 1)),
    url(../images/common/noise_texture.svg);
  z-index: -1;
}

@media (max-width: 450px) {
  .solution-hero {
    background:
      linear-gradient(#BCCBDC, #FFF)
  }

  .efficiency-hero {
    background:
      linear-gradient(#BCCBDC, #FFF)
  }
}

.solution-hero-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  max-width: 1300px;
  margin: 0 auto;
  min-height: 420px;
  padding: 40px 0 0 0;
}

.solution-hero-text {
  flex: 1;
  display: flex;
  align-items: center;
  height: 100%;
  min-width: 320px;
}

.solution-hero-text h1 {
  color: #153c8a;
  font-size: 2.6rem;
  font-weight: bold;
  line-height: 1.4;
  margin: 0 0 0 32px;
  letter-spacing: 0.03em;
  text-shadow: 0 2px 8px #fff, 0 0 2px #fff;
}

.solution-hero-image {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-width: 320px;
}

.solution-hero-image img {
  max-width: 800px;
  height: auto;
  display: block;
  padding-top: 50px;
}

@media (max-width: 900px) {
  .solution-hero-inner {
    flex-direction: column;
    padding: 24px 0 0 0;
    min-height: unset;
  }

  .solution-hero-text,
  .solution-hero-image {
    min-width: 0;
    width: 100%;
    justify-content: center;
    margin: 0;
  }

  .solution-hero-text h1 {
    margin: 0 0 24px 0;
    font-size: 2rem;
    text-align: center;
  }

  .solution-hero-image img {
    max-width: 320px;
    margin: 0 auto;
  }
}

/* 該当ソリューション一覧セクション */
.solution-solutions {
  background: #fff;
  padding: 48px 0 96px 0;
}

.solution-solutions-title {
  font-size: 1.3rem;
  font-weight: bold;
  margin-bottom: 24px;
  text-align: left;
}

.feature-item {
  flex: 1 1 calc(25% - 24px);
  /* 4カラム、gap考慮 */
  max-width: 270px;
  min-width: 220px;
  background: #fff;
  border-radius: 28px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
}

.feature-item:hover {
  transform: translateY(-6px) scale(1.03);
}

.feature-item-empty {
  flex: 1 1 calc(25% - 24px);
  /* 4カラム、gap考慮 */
  max-width: 360px;
  min-width: 360px;
  padding: 0 0 24px 0;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  margin-bottom: 20px;
}

.feature-card {
  display: block;
  width: 100%;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  text-decoration: none;
}

.feature-card-img-wrap {
  position: relative;
  width: 100%;
  height: 180px;
  overflow: hidden;
  border-radius: 28px 28px 0 0;
}

.feature-card-img-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.feature-card-title {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 18px 18px 12px 18px;
  color: #fff;
  font-size: 1.1rem;
  font-weight: bold;
  background: linear-gradient(to top, rgba(21, 60, 138, 0.85) 60%, rgba(21, 60, 138, 0.0) 100%);
  border-radius: 0 0 24px 24px;
  z-index: 2;
  text-shadow: 0 2px 8px #0006;
}

.feature-desc {
  font-size: 0.97em;
  color: #153c8a;
  text-align: left;
  margin: 18px 18px 0 18px;
  line-height: 1.7;
  min-height: 3.5em;
}

@media (max-width: 1200px) {
  .feature-item {
    flex: 1 1 calc(33.333% - 22px);
    /* 3カラム */
    max-width: 340px;
  }
}

@media (max-width: 900px) {
  .features-grid {
    gap: 16px;
    justify-content: center;
  }

  .feature-item {
    flex: 1 1 calc(50% - 12px);
    /* 2カラム */
    max-width: 340px;
  }
}

@media (max-width: 900px) {
  .solution-hero-text {
    display: none !important;
  }

  .solution-solutions .solution-slider-wrapper,
  .efficiency-solutions .solution-slider-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    width: 100vw;
    min-height: 1px;
  }

  .solution-solutions .features-slider,
  .efficiency-solutions .features-slider {
    overflow: hidden;
    width: 100vw;
    height: 100%;
  }

  .solution-solutions .features-grid,
  .efficiency-solutions .features-grid {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 0 !important;
    transition: transform 0.3s;
    width: auto;
  }

  .solution-solutions .feature-item,
  .efficiency-solutions .feature-item {
    min-width: 100vw !important;
    max-width: 100vw !important;
    margin: 0 !important;
    box-sizing: border-box;
    transform: none !important;
    box-shadow: 0 4px 16px #0002 !important;
  }

  .solution-solutions .feature-item:hover,
  .efficiency-solutions .feature-item:hover {
    transform: none !important;
    box-shadow: 0 4px 16px #0002 !important;
  }

  .solution-solutions .solution-slider-arrow,
  .efficiency-solutions .solution-slider-arrow {
    background: #f5f8fc;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 2rem;
    color: #2236d9;
    display: flex !important;
    align-items: center;
    justify-content: center;
    margin: 0 4px;
    cursor: pointer;
    z-index: 2;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }

  .solution-solutions .solution-slider-arrow.prev,
  .efficiency-solutions .solution-slider-arrow.prev {
    left: 8px;
  }

  .solution-solutions .solution-slider-arrow.next,
  .efficiency-solutions .solution-slider-arrow.next {
    right: 8px;
  }

  .efficiency-solutions .features-slider {
    overflow: hidden;
    width: 100vw;
    height: 100%;
    padding-left: 10vw;
    padding-right: 10vw;
    padding-bottom: 5vw;
    box-sizing: border-box;
  }

  .efficiency-solutions .features-grid {
    display: flex !important;
    flex-direction: row !important;
    flex-wrap: nowrap !important;
    gap: 0 !important;
    transition: transform 0.3s;
    width: auto;
  }

  .efficiency-solutions .feature-item {
    min-width: 80vw !important;
    max-width: 80vw !important;
    margin: 0 8px !important;
    box-sizing: border-box;
  }

  .efficiency-solutions .solution-slider-arrow {
    background: #f5f8fc;
    border: none;
    border-radius: 50%;
    width: 44px;
    height: 44px;
    font-size: 2rem;
    color: var(--primary-color);
    display: flex !important;
    align-items: center;
    justify-content: center;
    margin: 0 4px;
    cursor: pointer;
    z-index: 2;
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
  }

  .efficiency-solutions .solution-slider-arrow.prev {
    left: 8px;
  }

  .efficiency-solutions .solution-slider-arrow.next {
    right: 8px;
  }

  .efficiency-solutions h2 {
    font-size: 1.7rem !important;
    padding-left: 6vw;
    font-weight: bold;
    margin-bottom: 24px;
    color: #2d3a8c;
  }

  .efficiency-solutions .case-study-grid {
    display: grid !important;
    grid-template-columns: 1fr !important;
    gap: 24px !important;
  }

  .solution-solutions .feature-card:hover,
  .solution-solutions .feature-card:active,
  .efficiency-solutions .feature-card:hover,
  .efficiency-solutions .feature-card:active,
  .solution-solutions .feature-item:active,
  .efficiency-solutions .feature-item:active {
    transform: none !important;
    box-shadow: 0 4px 16px #0002 !important;
  }
}

.customer-top-img,
.satisfaction-top-img {
  width: 100%;
  max-width: 1200px;
  display: block;
  margin: 0 auto;
  padding-top: 80px;
}

.operation-top-img {
  width: 100%;
  max-width: 1100px;
  display: block;
  margin: 0 auto 80px auto;
}

.sending-top-img {
  width: 100%;
  max-width: 1000px;
  display: block;
  margin: 0 auto 0 auto;
  margin-top: 50px;
}

@media (max-width: 900px) {

  .customer-top-img,
  .satisfaction-top-img {
    padding-top: 0;
  }

  .operation-top-img {
    margin-top: 80px;
    margin-bottom: 0;
  }

  .sending-top-img {
    margin-top: 60px;
  }

  .solution-overview p {
    padding: 0 4rem;
    text-align: left;
  }

  .pc-br {
    display: none;
  }

  .sp-br {
    display: none;
  }
}

.solution-overview {
  padding: 0px 0 100px 0;
  width: 100%;
}

.solution-overview .section-container {
  max-width: 1000px;
  margin: 0 auto;
  text-align: center;
  background: none;
}

.solution-overview h2 {
  color: var(--primary-color);
  font-size: 2.5rem;
  font-weight: bold;
  margin-bottom: 32px;
  letter-spacing: 0.04em;
  text-shadow: 0 2px 8px #fff, 0 0 2px #fff;
}

.solution-overview p {
  font-size: 1.2rem;
  line-height: 2.2;
  color: var(--text-color);
  margin-bottom: 0;
  letter-spacing: 0.01em;
  background: none;
  text-shadow: 0 2px 8px #fff, 0 0 2px #fff;
}

@media (max-width: 900px) {
  .solution-overview {
    padding: 0 0 50px 0;
  }

  .solution-overview h2 {
    font-size: 1.9rem;
    margin-bottom: 18px;
  }

  .solution-overview p {
    font-size: 0.98rem;
    line-height: 2.0;
    padding: 0 20px;
  }
}

@media (max-width: 450px) {
  .solution-overview h2 {
    font-size: 1.7rem;
  }
}

.solution-card-list {
  width: 100%;
  background: none;
  border-radius: 0;
  box-shadow: none;
  margin: 0 auto 24px auto;
  max-width: 1400px;
}

.solution-card-list-container {
  display: flex;
  gap: 20px;
  background: none;
  padding: 0 20px;
}

.solution-card {
  background: #e8eef7;
  box-shadow: 0 2px 16px #0001;
  width: 600px;
  height: auto;
  min-width: 240px;
  max-width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  padding: 0 0 24px 0;
  margin: 0;
  border-radius: 12px;
  transition: transform 0.3s;
}

.solution-card:hover {
  transform: translateY(-5px);
}

.solution-card-img-wrap {
  width: 100%;
  height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.solution-card-img {
  width: 94%;
  height: 240px;
  object-fit: cover;
  border-radius: 12px;
  margin-bottom: 16px;
  display: block;
}

.solution-card-title {
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--primary-color);
  margin: 0;
  padding: 0 18px;
  line-height: 1.5;
  margin-bottom: 12px;
}

.solution-card-description {
  font-size: 1.08rem;
  color: var(--text-color);
  margin: 0;
  padding: 0 18px;
  line-height: 1.5;
}

.solution-card-link {
  text-decoration: none;
}

@media (max-width: 900px) {
  .solution-card-list-container {
    gap: 16px;
  }

  .solution-card {
    width: 45vw;
    min-width: 180px;
    max-width: 100%;
  }

  .dammy-card {
    display: none !important;
  }
}

@media (max-width: 900px) {
  .solution-card-list {
    border-radius: 0;
    box-shadow: none;
    max-width: 98vw;
  }

  .solution-card-list-container {
    flex-direction: column;
    align-items: center;
    gap: 18px;
    padding: 0;
  }

  .solution-card {
    width: 92vw;
    min-width: 0;
    padding: 0 0 18px 0;
    border-radius: 10px;
    box-shadow: 0 1px 8px #0001;
    margin-bottom: 10px;
  }

  .solution-card-img-wrap {
    height: 300px;
    border-radius: 8px 8px 8px 8px;
  }

  .solution-card-img {
    height: 220px;
  }

  .solution-card-title {
    font-size: 1.8rem;
    padding: 0 20px;
  }

  .solution-card-description {
    font-size: 1.2rem;
    padding: 0 20px;
  }
}

.dammy-card {
  background-color: #fff;
  box-shadow: 0 0px 0px rgba(255, 255, 255, 0);
}

.dammy-card:hover {
  box-shadow: 0 0px 0px rgba(255, 255, 255, 0) !important;
  transform: translateY(0px) scale(1) !important;
}

.img-CoreTouch {
  object-position: 60% 40%;
}

.img-CoreCast {
  object-position: 30% 70%;
}

@media (min-width: 769px) {
  .sp-br {
    display: none;
  }

  .pc-br {
    display: block;
  }
}

@media (max-width: 700px) {
  .hover-area {
    width: 50px !important;
    height: 50px !important;
  }
}

@media (max-width: 900px) {
  .sp-br {
    display: block;
  }

  .pc-br {
    display: none;
  }

  br {
    display: none;
  }

  .sp-br {
    display: block;
  }

}

@media (max-width: 900px) {
  .solution-page .company-page-header {
    padding-bottom: 0;
  }
}

/* トータルソリューション */
.hero-catch {
  width: 100%;
  text-align: left;
  padding-left: 24px;
  padding-bottom: 3rem;
}

.hero-catch-title {
  color: var(--primary-color);
  font-size: 3.1rem;
  font-weight: bold;
  text-shadow: 0 2px 8px #fff, 0 0 2px #fff;
  line-height: 1.4;
}

.title-br {
  display: none;
}

@media (max-width: 480px) {
  .title-br {
    display: block;
  }
}

.efficiency-hero {
  position: relative;
  padding-top: 80px;
}

.efficiency-hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  filter: contrast(100%) brightness(150%);
  background:
    linear-gradient(0deg, rgba(255, 255, 255, 0), rgba(112, 125, 141, 1)),
    url(../images/common/noise_texture.svg);
  z-index: -1;
}

@media (max-width: 1000px) {
  .solution-page-header-content {
    padding: 2rem 3rem !important;
  }
}

@media (max-width: 450px) {
  .solution-page-header-content {
    padding: 2rem 24px !important;
  }
}