/* ベースレイアウト */
.business-details {
  padding: clamp(1rem, 2.5vw, 2.5rem) 0 clamp(2rem, 5vw, 5rem);
  background-color: #fff;
  width: 100%;
  overflow-x: hidden;
}

.business-main .business-image {
  display: none;
}

.business-details .detail-content.active > .content-wrapper:first-child {
  margin-top: 0;
}

.business-details .detail-content.active .content-left > .section-title {
  display: none;
}

.business-main > .page-header {
  display: grid;
  grid-template-columns: auto;
  justify-items: start;
  gap: 16px;
  max-width: 1320px;
  margin-top: 96px;
  margin-bottom: 24px;
  padding: 0 clamp(1rem, 7vw, 2rem);
}

.business-main > .page-header .title-group {
  justify-content: flex-start;
  gap: 22px;
}

.business-main > .page-header .main-title {
  font-size: clamp(24px, 3vw, 32px);
  letter-spacing: clamp(5px, 0.8vw, 8px);
}

.business-main > .page-header .sub-title {
  font-size: clamp(12px, 1.5vw, 16px);
  letter-spacing: clamp(3px, 0.45vw, 4px);
}

.business-main > .page-header .decorative-lines {
  width: min(260px, 100%);
  flex-grow: 0;
  gap: 12px;
}

.business-main > .page-header .line {
  height: 2px;
}

@media (max-width: 1024px) {
  .business-main > .page-header {
    width: 100%;
    max-width: none;
    padding: 0 24px;
  }

  .business-main > .page-header .decorative-lines {
    width: 100%;
    gap: 8px;
  }
}

@media (max-width: 768px) {
  .business-main > .page-header {
    width: 100%;
    max-width: none;
    margin-top: 32px;
    margin-bottom: 18px;
    padding: 0 20px;
  }

  .business-main > .page-header .title-group {
    gap: 14px;
  }

  .business-main > .page-header .main-title {
    font-size: 18px;
    letter-spacing: 5px;
  }

  .business-main > .page-header .sub-title {
    font-size: 12px;
    letter-spacing: 3px;
  }

  .business-main > .page-header .decorative-lines {
    width: 100%;
    gap: 8px;
  }
}

.details-container {
  width: 100%;
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 clamp(1rem, 7vw, 2rem);
  position: relative;
  min-height: 25rem;
  box-sizing: border-box;
}

/* 事業領域の各詳細セクション */
.detail-content {
  display: none;
}
.detail-content.active {
  display: block;
}

/* Strategy area trial layout: horizontal service cards */
.detail-content[data-area="strategy"] .solution-content-wrapper {
  display: block;
  padding-left: 0;
}

.detail-content[data-area="strategy"] .solution-card {
  width: 100% !important;
  max-width: none;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 42px);
  margin: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

.detail-content[data-area="strategy"] .solution-card:hover {
  transform: none;
  box-shadow: none;
}

.detail-content[data-area="strategy"] .solution-card-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.detail-content[data-area="strategy"] .solution-card-item:hover {
  transform: none;
  box-shadow: none;
}

.detail-content[data-area="strategy"] .solution-card-item-img-container {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  margin: 0 0 20px;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  background: #f2f8fb;
  border-radius: 0;
  box-sizing: border-box;
}

.detail-content[data-area="strategy"] .solution-card-item-img-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin: 0;
}

.detail-content[data-area="strategy"] .solution-card-title {
  margin: 0 0 14px;
  display: block;
}

.detail-content[data-area="strategy"] .solution-card-title .highlight {
  display: none;
}

.detail-content[data-area="strategy"] .solution-card-title .normal {
  display: block;
  color: #222;
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.detail-content[data-area="strategy"] .solution-card-description {
  margin: 0 0 26px;
  color: #222;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.08em;
}

.detail-content[data-area="strategy"] .solution-card-button-wrapper {
  justify-content: flex-start;
  margin-top: auto;
  padding: 0;
}

.detail-content[data-area="strategy"] .solution-card-button {
  width: auto;
  min-width: 180px;
  max-width: 100%;
  margin: 0;
  padding: 10px 24px;
  border: 1px solid #e1e8ed;
  border-radius: 999px;
  background: #fff;
  color: #333;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: none;
}

.detail-content[data-area="strategy"] .solution-card-button:hover {
  transform: none;
  border-color: #28a7e1;
  color: #28a7e1;
  box-shadow: none;
}

.detail-content[data-area="strategy"] .solution-card-detail {
  grid-column: 1 / -1;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(260px, 38%) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 48px);
  row-gap: 0;
  padding: clamp(24px, 4vw, 40px) 0 0;
  border-top: 1px solid #e8eef2;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-item-img-container {
  grid-column: 1;
  grid-row: 1 / 4;
  margin-bottom: 0;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-title,
.detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-description,
.detail-content[data-area="strategy"] .solution-card-item.expanded > .solution-card-button-wrapper {
  grid-column: 2;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-detail {
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: clamp(24px, 4vw, 42px);
  overflow: visible;
  background: #f7fafc;
  border-radius: 12px 12px 0 0;
  box-sizing: border-box;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded > .detail-download-button-wrapper {
  grid-column: 1 / -1;
  display: flex !important;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 0 clamp(24px, 4vw, 42px) clamp(28px, 4vw, 42px);
  background: #f7fafc;
  border-radius: 0 0 12px 12px;
  box-sizing: border-box;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded > .detail-close-button-wrapper {
  grid-column: 1 / -1;
  margin-top: clamp(18px, 2.5vw, 28px);
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-detail .detail-download-button-wrapper {
  display: flex !important;
  justify-content: center;
  width: 100%;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .detail-download-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: min(320px, 100%);
  max-width: 100%;
  margin: 0 auto;
  box-shadow: 6px 5px 0 #b90012, 0 8px 14px rgba(51, 51, 51, 0.12);
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .detail-download-button:hover {
  transform: translateY(-2px);
  box-shadow: 7px 6px 0 #b90012, 0 10px 16px rgba(51, 51, 51, 0.14);
}

.detail-content[data-area="strategy"] .solution-card-item.expanded .detail-download-button:active {
  transform: translateY(2px);
  box-shadow: 3px 3px 0 #b90012, 0 5px 10px rgba(51, 51, 51, 0.12);
}

@media (max-width: 1024px) {
  .detail-content[data-area="strategy"] .solution-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .detail-content[data-area="strategy"] .solution-card {
    grid-template-columns: 1fr;
    gap: 34px;
    margin: 0;
  }

  .detail-content[data-area="strategy"] .solution-card-item-img-container {
    margin-bottom: 16px;
    padding: 24px;
  }

  .detail-content[data-area="strategy"] .solution-card-title .normal {
    font-size: 24px;
  }

  .detail-content[data-area="strategy"] .solution-card-description {
    margin-bottom: 18px;
    font-size: 13px;
  }

  .detail-content[data-area="strategy"] .solution-card-button {
    width: auto;
    min-width: 160px;
  }

  .detail-content[data-area="strategy"] .solution-card-item.expanded {
    display: flex;
    grid-column: auto;
    padding-top: 0;
    border-top: 0;
  }

  .detail-content[data-area="strategy"] .solution-card-item.expanded .solution-card-detail {
    margin-top: 18px;
    padding: 22px 16px;
    border-radius: 12px 12px 0 0;
  }

  .detail-content[data-area="strategy"] .solution-card-item.expanded > .detail-download-button-wrapper {
    padding: 0 16px 24px;
  }
}

/* 共通のセクションスタイル */
/* Completed solution-card layout for all business area pages. */
.detail-content .solution-content-wrapper {
  display: block;
  padding-left: 0;
}

.detail-content .solution-card {
  width: 100% !important;
  max-width: none;
  display: grid !important;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(28px, 4vw, 42px);
  margin: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
}

.detail-content .solution-card:hover,
.detail-content .solution-card-item:hover {
  transform: none;
  box-shadow: none;
}

.detail-content .solution-card-item {
  display: flex;
  flex-direction: column;
  min-width: 0;
  margin: 0;
  padding: 0;
  overflow: visible;
  background: transparent;
  border-radius: 0;
  box-shadow: none;
  transform: none;
}

.detail-content .solution-card-item-img-container {
  width: 100%;
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  margin: 0 0 20px;
  padding: clamp(18px, 3vw, 34px);
  overflow: hidden;
  background: #f2f8fb;
  border-radius: 0;
  box-sizing: border-box;
}

.detail-content .solution-card-item-img-container img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  margin: 0;
}

.detail-content .solution-card-title {
  margin: 0 0 14px;
  display: block;
}

.detail-content .solution-card-title .highlight {
  display: none;
}

.detail-content .solution-card-title .normal {
  display: block;
  color: #222;
  font-size: clamp(24px, 2.4vw, 32px);
  font-weight: 500;
  line-height: 1.35;
  letter-spacing: 0.02em;
}

.detail-content .solution-card-description {
  margin: 0 0 26px;
  color: #222;
  font-size: 14px;
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.08em;
}

.detail-content .solution-card-button-wrapper {
  justify-content: flex-start;
  margin-top: auto;
  padding: 0;
}

.detail-content .solution-card-button {
  width: auto;
  min-width: 180px;
  max-width: 100%;
  margin: 0;
  padding: 10px 24px;
  border: 1px solid #e1e8ed;
  border-radius: 999px;
  background: #fff;
  color: #333;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
  box-shadow: none;
}

.detail-content .solution-card-button:hover {
  transform: none;
  border-color: #28a7e1;
  color: #28a7e1;
  box-shadow: none;
}

.detail-content .solution-card-detail {
  grid-column: 1 / -1;
}

.detail-content .solution-card-item.expanded {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: minmax(260px, 38%) minmax(0, 1fr);
  column-gap: clamp(28px, 4vw, 48px);
  row-gap: 0;
  padding: clamp(24px, 4vw, 40px) 0 0;
  border-top: 1px solid #e8eef2;
}

.detail-content .solution-card-item.expanded .solution-card-item-img-container {
  grid-column: 1;
  grid-row: 1 / 4;
  margin-bottom: 0;
}

.detail-content .solution-card-item.expanded .solution-card-title,
.detail-content .solution-card-item.expanded .solution-card-description,
.detail-content .solution-card-item.expanded > .solution-card-button-wrapper {
  grid-column: 2;
}

.detail-content .solution-card-item.expanded .solution-card-detail {
  grid-column: 1 / -1;
  width: 100%;
  max-width: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: clamp(24px, 4vw, 42px);
  overflow: visible;
  background: #f7fafc;
  border-radius: 12px 12px 0 0;
  box-sizing: border-box;
}

.detail-content .solution-card-item.expanded > .detail-download-button-wrapper {
  grid-column: 1 / -1;
  display: flex !important;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: 0;
  padding: 0 clamp(24px, 4vw, 42px) clamp(28px, 4vw, 42px);
  background: #f7fafc;
  border-radius: 0 0 12px 12px;
  box-sizing: border-box;
}

.detail-content .solution-card-item.expanded > .detail-close-button-wrapper {
  grid-column: 1 / -1;
  margin-top: clamp(18px, 2.5vw, 28px);
}

.detail-content .solution-card-item.expanded .solution-card-detail .detail-download-button-wrapper {
  display: flex !important;
  justify-content: center;
  width: 100%;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
}

.detail-content .solution-card-item.expanded .detail-download-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-width: min(320px, 100%);
  max-width: 100%;
  margin: 0 auto;
  box-shadow: 6px 5px 0 #b90012, 0 8px 14px rgba(51, 51, 51, 0.12);
}

.detail-content .solution-card-item.expanded .detail-download-button:hover {
  transform: translateY(-2px);
  box-shadow: 7px 6px 0 #b90012, 0 10px 16px rgba(51, 51, 51, 0.14);
}

.detail-content .solution-card-item.expanded .detail-download-button:active {
  transform: translateY(2px);
  box-shadow: 3px 3px 0 #b90012, 0 5px 10px rgba(51, 51, 51, 0.12);
}

@media (max-width: 1024px) {
  .detail-content .solution-card {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 30px;
  }
}

@media (max-width: 768px) {
  .detail-content .solution-card {
    grid-template-columns: 1fr;
    gap: 34px;
    margin: 0;
  }

  .detail-content .solution-card-item-img-container {
    margin-bottom: 16px;
    padding: 24px;
  }

  .detail-content .solution-card-title .normal {
    font-size: 24px;
  }

  .detail-content .solution-card-description {
    margin-bottom: 18px;
    font-size: 13px;
  }

  .detail-content .solution-card-button {
    width: auto;
    min-width: 160px;
  }

  .detail-content .solution-card-item.expanded {
    display: flex;
    grid-column: auto;
    padding-top: 0;
    border-top: 0;
  }

  .detail-content .solution-card-item.expanded .solution-card-detail {
    margin-top: 18px;
    padding: 22px 16px;
    border-radius: 12px 12px 0 0;
  }

  .detail-content .solution-card-item.expanded > .detail-download-button-wrapper {
    padding: 0 16px 24px;
  }
}

.section-title {
  font-size: clamp(1.5rem, 2vw, 1.75rem);
  font-weight: bold;
  text-align: center;
  margin-bottom: 2.5rem;
}

.details-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(18.75rem, 1fr));
  gap: 1.875rem;
}

.detail-item {
  padding: 1.25rem;
  background-color: #f5f5f5;
  border-radius: 0.5rem;
}

.detail-item h3 {
  font-size: 1.25rem;
  margin-bottom: 0.9375rem;
}

.detail-item p {
  font-size: 1rem;
  line-height: 1.6;
}

/* デジタルマーケティング領域のベースレイアウト */
.detail-content[data-area="digital"].active {
  display: flex; /* activeが付いたときだけ表示 */
  flex-direction: column;
  gap: 0px;
  width: 100%;
}

/* コンテンツラッパー */
.content-wrapper {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: clamp(2rem, 5vw, 120px);
  width: 100%;
}

.content-left {
  flex: 1;
  min-width: 0;
}

.content-right {
  flex: 0 0 40%;
  max-width: 40%;
  margin-top: 0px;
}

/* タイトルスタイル */
.detail-content .section-title {
  color: #333;
  font-family: "BIZ UDGothic", sans-serif;
  font-size: clamp(20px, 4vw, 32px);
  font-weight: 700;
  line-height: 1.7;
  letter-spacing: clamp(2px, 1vw, 5.76px);
  text-align: left;
  margin-bottom: clamp(20px, 4vw, 40px);
  word-break: break-word;
}

/* ディスクリプションスタイル */
.detail-content .description {
  color: #333;
  font-family: "BIZ UDGothic", sans-serif;
  font-size: clamp(12px, 2vw, 14px);
  font-weight: 700;
  line-height: 2;
  letter-spacing: clamp(1px, 0.5vw, 2.72px);
  margin-bottom: clamp(20px, 4vw, 40px);
  word-wrap: break-word;
}

/* 画像スタイル */
.content-right img {
  width: 100%;
  height: 350px;
  display: block;
  max-width: 100%;
  aspect-ratio: 16/9;
  object-fit: cover;
  border-radius: 14px;
}

/* サービスラベル */
.service-labels {
  display: none;
  flex-wrap: wrap;
  gap: clamp(10px, 2vw, 20px);
  width: 100%;
  justify-content: flex-start;
  margin-top: 40px;
}

.service-label {
  display: inline-flex;
  padding: clamp(8px, 2vw, 12px) clamp(16px, 3vw, 24px);
  justify-content: center;
  align-items: center;
  border-radius: 28px;
  background: #333;
  color: #fff;
  text-align: center;
  font-family: "BIZ UDGothic";
  font-size: clamp(14px, 2vw, 20px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: clamp(2px, 0.5vw, 3px);
  box-sizing: border-box;
  white-space: nowrap;
  flex: 0 1 auto;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.3s ease;
}

.service-label:hover {
  background: #555;
  transform: translateY(-2px);
}

/* ソリューションセクション */
.solution-section {
  margin-top: clamp(48px, 6vw, 96px);
  margin-bottom: clamp(72px, 8vw, 120px);
  width: 100%;
  position: relative;
}

.solution-header {
  display: flex;
  align-items: center;
  gap: clamp(15px, 2vw, 30px);
  width: 100%;
  margin-bottom: clamp(20px, 4vw, 40px);
}

.solution-title-group {
  display: flex;
  align-items: center;
  gap: clamp(10px, 2vw, 20px);
  min-width: 0;
}

.solution-main-title {
  color: #333;
  font-family: "BIZ UDGothic";
  font-size: clamp(20px, 4vw, 32px);
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: clamp(4px, 1vw, 8px);
  margin: 0;
  white-space: nowrap;
}

.solution-sub-title {
  color: #333;
  font-family: "BIZ UDGothic";
  font-size: clamp(12px, 2vw, 16px);
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: clamp(2px, 0.5vw, 4px);
  margin: 0;
  white-space: nowrap;
}

.solution-decorative-lines {
  flex-grow: 1;
  display: flex;
  flex-direction: row;
  gap: 20px;
  max-width: 751px;
  min-width: 312px;
}

/* ソリューションラベル */
.solution-labels {
  display: none; /* ラベルを非表示に */
  position: absolute;
  left: 0;
  width: 180px; /* 固定幅を設定 */
  z-index: 1; /* 適切なz-index */
}

/* 追従しないスタイル */
.solution-labels.fixed {
  position: absolute; /* fixedではなくabsoluteで固定位置に */
  width: 180px;
}

/* service-labelsは追従しないことを明示 */
.service-labels {
  position: static !important;
  display: none !important;
}

.solution-label {
  display: inline-flex;
  padding: clamp(8px, 2vw, 12px) clamp(16px, 3vw, 24px);
  justify-content: center;
  align-items: center;
  border-radius: 28px;
  background: #333;
  color: #fff;
  text-align: center;
  font-family: "BIZ UDGothic";
  font-size: clamp(14px, 2vw, 16px);
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: clamp(2px, 0.5vw, 3px);
  white-space: nowrap;
  margin-bottom: 34px;
  transition: all 0.3s ease;
}

/* ホバー時のスタイル */
.solution-label:hover {
  background: #4a4a4a;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
  cursor: pointer;
}

/* ソリューションカードのスタイル */
.solution-card {
  display: block;
  width: min(700px, 100%);
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  border-radius: clamp(20px, 3vw, 28px);
  background: #fff;
  flex: 1;
  margin-left: auto;
  margin-right: auto;
  overflow: visible;
  opacity: 1 !important;
  margin-bottom: clamp(20px, 4vw, 40px);
  /* デスクトップではデフォルトのシャドウは不要 */
  box-shadow: none;
  transition: box-shadow 0.3s ease;
}

.solution-card:hover {
  box-shadow: none;
}

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

/* ロゴを使用しているソリューションカードの画像コンテナ */
.solution-card-item[data-solution="運用型広告"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="成果報酬型広告"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="インフルエンサーマーケティング"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="AX・システム開発"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="マーケティングシステム制作⓵"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="マーケティングシステム制作⓶"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="マンガクリエイティブ制作"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="ECモール運用支援"]
  .solution-card-item-img-container,
.solution-card-item[data-solution="自社EC運用支援"]
  .solution-card-item-img-container {
  padding: 120px;
  background-color: #ffffff;
  text-align: center;
}

/* ロゴを使用しているソリューションカードの画像 */
.solution-card-item[data-solution="運用型広告"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="成果報酬型広告"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="インフルエンサーマーケティング"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="AX・システム開発"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="マーケティングシステム制作⓵"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="マーケティングシステム制作⓶"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="マンガクリエイティブ制作"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="ECモール運用支援"]
  .solution-card-item-img-container
  img,
.solution-card-item[data-solution="自社EC運用支援"]
  .solution-card-item-img-container
  img {
  max-width: 100%;
  height: auto;
  object-fit: contain;
  margin: 0 auto;
  display: block;
}

/* 通常の.solution-cardの画像コンテナは必要なスタイルだけ適用 */
.solution-card .solution-card-item-img-container {
  text-align: center;
}

/* 通常の.solution-cardの画像スタイル */
.solution-card .solution-card-item-img-container img {
  max-width: 100%;
  height: auto;
  object-fit: cover; /* 'contain'ではなく'cover'を使用 */
  margin: 0 auto;
  display: block;
}

.solution-card-title {
  margin: 18px 40px 12px 40px;
}

.solution-card-title .highlight {
  color: #de021e;
  font-family: "BIZ UDGothic";
  font-size: clamp(18px, 4vw, 32px);
  font-style: normal;
  /* font-weight: 700; */
  line-height: 1.25;
  letter-spacing: 0.05em;
}

.solution-card-title .normal {
  color: #333;
  font-family: "BIZ UDGothic";
  font-size: clamp(20px, 4vw, 32px);
  font-style: normal;
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: clamp(4px, 1vw, 6.4px);
}

.solution-card-description {
  color: #333;
  font-family: "BIZ UDGothic";
  font-size: clamp(12px, 2vw, 14px);
  font-style: normal;
  font-weight: 700;
  line-height: 2;
  letter-spacing: clamp(2px, 0.5vw, 4px);
  margin: 0px 40px 18px 40px;
}

.solution-card-button-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  margin: 0 auto;
  padding: 0 clamp(20px, 4vw, 41px);
}

.solution-card-button {
  display: flex;
  width: min(100%, 324px);
  padding: clamp(8px, 1.5vw, 10px) clamp(30px, 4vw, 60px);
  justify-content: center;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  color: #333;
  font-family: "BIZ UDGothic";
  font-size: clamp(12px, 2vw, 16px);
  font-style: normal;
  font-weight: 700;
  line-height: normal;
  letter-spacing: clamp(2px, 0.5vw, 4px);
  border: none;
  background: #ffffff;
  border-radius: clamp(15px, 2vw, 20px);
  margin: 0 auto clamp(20px, 4vw, 40px);
}

/* ソリューションコンテンツラッパー */
.solution-content-wrapper {
  position: relative;
  display: flex;
  align-items: flex-start;
  gap: clamp(10px, 2vw, 20px);
  width: 100%;
  padding-left: 0; /* solution-labelsの余白を削除 */
}

/* ソリューションカードアイテム（デスクトップ表示用） */
.solution-card-item {
  background: #f2f2f2;
  border-radius: clamp(20px, 3vw, 28px);
  margin-bottom: 50px;
  overflow: hidden;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.solution-card-item:hover {
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.45);
  transform: translateY(-5px);
}

/* 詳細を開くボタンのアニメーション用スタイル（更に控えめな例） */
.solution-card-button {
  position: relative; /* 疑似要素用の基点 */
  overflow: hidden; /* リップルのはみ出しを隠す */
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

/* ソリューション詳細内のフレックス要素中央配置 */
.detail-flex {
  display: flex;
  justify-content: center;
  align-items: center;
  margin: 30px auto;
  max-width: 900px;
  width: 100%;
}

.detail-image {
  max-width: 30%;
  height: auto;
  margin-right: 20px;
}

.detail-whitebox {
  background: #f8f8f8;
  padding: 20px;
  border-radius: 12px;
  flex: 1;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.detail-whitebox-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #333;
}

.marketing-detail-whitebox-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #333;
}

/* ホバー時：上昇量を-1pxに、影もさらに控えめに */
.solution-card-button:hover {
  transform: translateY(-1px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.2);
}

/* クリック（active）時：縮小率を0.995に、影も軽く */
.solution-card-button:active {
  transform: scale(0.995);
  box-shadow: 0 3px 6px rgba(0, 0, 0, 0.15);
}

/* クリック時のリップルエフェクト用疑似要素は基本設定のまま */
.solution-card-button::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 200px;
  height: 200px;
  background: rgba(222, 2, 30, 0.2);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.5s ease, opacity 0.8s ease;
}

.solution-card-button:active::after {
  transform: translate(-50%, -50%) scale(1);
  opacity: 0;
  transition: transform 0s, opacity 0.8s;
}

/* メディアクエリ - 統合・最適化版 */
@media (max-width: 1200px) {
  .solution-content-wrapper {
    flex-direction: column;
    margin-top: 40px;
    padding-left: 0;
  }
  .solution-card {
    display: block;
    width: min(700px, 100%);
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    border-radius: clamp(20px, 3vw, 28px);
    flex: 1;
    margin-left: auto;
    margin-right: auto;
    overflow: visible;
    opacity: 1 !important;
    margin-bottom: clamp(20px, 4vw, 40px);
    background: #fff;
    box-shadow: none;
    transition: none;
  }

  /* それぞれのカード（.solution-card-item）に背景や余白を設定 - モバイル用 */
  .solution-card-item {
    background: #f2f2f2;
    border-radius: clamp(20px, 3vw, 28px);
    margin-bottom: 50px;
    padding: 0px;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.35);
    transition: box-shadow 0.3s ease, transform 0.3s ease;
  }

  .solution-card-item:hover {
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.45);
    transform: translateY(-5px);
  }
  .solution-card:hover {
    box-shadow: none;
  }
}

@media (max-width: 1024px) {
  .content-wrapper {
    gap: clamp(30px, 4vw, 60px);
  }

  .solution-header {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 14px;
    width: 100%;
  }

  .solution-title-group {
    gap: 14px;
    min-width: 0;
  }

  .solution-decorative-lines {
    width: 100%;
    max-width: none;
    min-width: 0;
    gap: 8px;
  }

  .service-label {
    width: calc(50% - 10px);
  }
}

@media (max-width: 768px) {
  .content-right img {
    height: 170px;
  }

  .detail-flex {
    flex-direction: column;
    margin: 20px auto;
  }

  .detail-image {
    max-width: 70%;
    margin-right: 0;
    margin-bottom: 15px;
  }

  .solution-title-group {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
  }

  .solution-section {
    margin-top: 46px;
    margin-bottom: 72px;
  }

  .detail-content .section-title {
    font-size: 18px;
    letter-spacing: 3.34px;
    margin-bottom: 8px;
    padding-right: 4px;
    padding-left: 4px;
  }

  .detail-content .description {
    padding-right: 4px;
    padding-left: 4px;
  }

  /* すべてのカードを表示 */
  .solution-card {
    display: block !important;
    opacity: 1 !important;
    width: 100%;
    margin: 0 0 30px 0;
    background: none;
    box-shadow: none;
    overflow: visible;
  }

  .content-wrapper {
    flex-direction: column-reverse;
    gap: 1rem;
  }

  .content-left,
  .content-right {
    width: 100%;
    max-width: 100%;
  }

  .service-labels {
    display: none !important;
    flex-wrap: wrap;
    gap: clamp(10px, 2vw, 20px);
    margin-top: 4px;
  }

  .service-label {
    width: auto; /* 固定幅を解除 */
    min-width: min-content; /* コンテンツの最小幅に合わせる */
    flex: 0 1 auto; /* 幅を自動調整 */
    padding: clamp(8px, 2vw, 12px) clamp(16px, 3vw, 24px);
    font-size: 9.96px;
  }

  .solution-header {
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
    gap: 14px;
    width: 100%;
  }

  .solution-main-title,
  .solution-sub-title {
    text-align: left;
  }

  .solution-main-title {
    font-size: 18px;
    letter-spacing: 5px;
  }

  .solution-sub-title {
    font-size: 12px;
    letter-spacing: 3px;
  }

  .solution-decorative-lines {
    width: 100%;
    max-width: none;
    min-width: 0;
    gap: 8px;
  }
}

@media (max-width: 480px) {
  .content-right img {
    width: 100%;
    height: 170px;
    display: block;
    max-width: 100%;
    object-fit: fill;
  }
  .solution-card-detail .solution-detail {
    padding: 0 !important;
  }
  .solution-card-title .normal {
    color: #333;
    font-family: "BIZ UDGothic";
    font-size: 15px;
    font-style: normal;
    font-weight: 700;
    line-height: 1.25;
    letter-spacing: clamp(4px, 1vw, 6.4px);
  }
  .solution-card-title {
    margin: 18px 25px 10px 25px;
  }

  .solution-card-description {
    margin: 12px 26px;
  }
  .business-details {
    padding: 2rem 0;
  }

  .details-container {
    padding: 0 30px;
  }

  .service-label {
    width: auto;
  }

  .solution-card-button {
    width: 80%;
    padding: 8px 20px;
  }
}

@media screen and (max-width: 768px) {
  .solution-card-button {
    /* アニメーションを無効にする */
    transition: none !important;
  }
  .solution-card-button:hover,
  .solution-card-button:active {
    transform: none !important;
    box-shadow: none !important;
  }
  .solution-card-button::after {
    transition: none !important;
  }

  .solution-card:hover {
    box-shadow: none;
  }

  /* タブレットサイズ以下での画像コンテナのパディング調整 */
  .solution-card-item[data-solution="運用型広告"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="成果報酬型広告"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="インフルエンサーマーケティング"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="AX・システム開発"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="マーケティングシステム制作⓵"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="マーケティングシステム制作⓶"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="マンガクリエイティブ制作"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="ECモール運用支援"]
    .solution-card-item-img-container,
  .solution-card-item[data-solution="自社EC運用支援"]
    .solution-card-item-img-container {
    padding: 40px;
  }
}

/* Final image-frame normalization for every solution card. */
.detail-content .solution-card .solution-card-item-img-container {
  aspect-ratio: 16 / 10;
  display: grid;
  place-items: center;
  width: 100%;
  margin: 0 0 20px;
  padding: clamp(18px, 3vw, 34px) !important;
  overflow: hidden;
  background: #f2f8fb !important;
  box-sizing: border-box;
}

.detail-content .solution-card .solution-card-item-img-container img {
  width: 100%;
  height: 100%;
  object-fit: contain !important;
  margin: 0 auto;
  background: #fff;
}

@media (max-width: 768px) {
  .detail-content .solution-card .solution-card-item-img-container {
    margin-bottom: 16px;
    padding: 24px !important;
  }
}

/* Final detail close-button normalization for every solution card. */
.detail-content .solution-card-detail .detail-close-button-wrapper,
.detail-content .solution-card-item.expanded > .detail-close-button-wrapper {
  display: flex !important;
  justify-content: center;
  align-items: center;
  width: 100%;
  margin: clamp(18px, 2.5vw, 28px) 0 0;
  padding: 0;
  background: transparent;
  box-sizing: border-box;
}

.detail-content .solution-card-detail .detail-close-button-wrapper .solution-card-button,
.detail-content .solution-card-item.expanded > .detail-close-button-wrapper .solution-card-button {
  width: auto;
  min-width: 180px;
  max-width: 100%;
  margin: 0 auto;
}

/* Creative detail speech-block adjustment. */
.detail-content[data-area="creative"] .solution-card-detail .detail-flex {
  align-items: center;
  gap: clamp(22px, 3vw, 36px);
  margin: 24px 0 28px;
}

.detail-content[data-area="creative"] .solution-card-detail .detail-image {
  width: min(24%, 220px) !important;
  height: auto !important;
  max-height: 260px;
  object-fit: contain;
}

.detail-content[data-area="creative"] .solution-card-detail .detail-whitebox {
  flex: 1 1 auto;
  width: auto !important;
  max-width: 620px;
  height: auto !important;
  min-height: 0;
  padding: 18px 24px;
  justify-content: flex-start;
  align-items: flex-start;
  border-radius: 18px;
}

.detail-content[data-area="creative"] .solution-card-detail .marketing-detail-whitebox-text,
.detail-content[data-area="creative"] .solution-card-detail .detail-whitebox-text {
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: 1.4px;
}

.detail-content[data-area="creative"] .solution-card-detail .marketing-detail-whitebox-text strong,
.detail-content[data-area="creative"] .solution-card-detail .detail-whitebox-text strong {
  font-weight: 700;
}

.detail-content[data-area="creative"] .solution-card-detail .marketing-detail-whitebox-text mark,
.detail-content[data-area="creative"] .solution-card-detail .detail-whitebox-text mark {
  padding: 0 3px 2px;
  background: linear-gradient(transparent 58%, #fff19a 58%);
  color: inherit;
  font-weight: 700;
}

@media (max-width: 768px) {
  .detail-content[data-area="creative"] .solution-card-detail .detail-flex {
    flex-direction: column;
    align-items: center;
    gap: 18px;
  }

  .detail-content[data-area="creative"] .solution-card-detail .detail-image {
    width: min(58%, 190px) !important;
    max-height: 220px;
  }

  .detail-content[data-area="creative"] .solution-card-detail .detail-whitebox {
    width: 100% !important;
    max-width: 100%;
    padding: 16px 18px;
  }

  .detail-content[data-area="creative"] .solution-card-detail .marketing-detail-whitebox-text,
  .detail-content[data-area="creative"] .solution-card-detail .detail-whitebox-text {
    font-size: 12px;
  }
}

/* Speech-block adjustment for the other business area detail pages. */
@media (min-width: 769px) {
  .detail-content:not([data-area="creative"]) .solution-card-detail .detail-flex {
    align-items: center;
    gap: clamp(22px, 3vw, 36px);
    margin: 24px 0 28px;
  }

  .detail-content:not([data-area="creative"]) .solution-card-detail .detail-image {
    width: min(24%, 220px) !important;
    height: auto !important;
    max-height: 260px;
    object-fit: contain;
  }

  .detail-content:not([data-area="creative"]) .solution-card-detail .detail-whitebox,
  .detail-content:not([data-area="creative"]) .solution-card-detail .sns-detail-whitebox {
    flex: 1 1 auto;
    width: auto !important;
    max-width: 620px;
    height: auto !important;
    min-height: 0;
    padding: 18px 24px;
    justify-content: flex-start;
    align-items: flex-start;
    border-radius: 18px;
  }

  .detail-content:not([data-area="creative"]) .solution-card-detail .detail-whitebox-text,
  .detail-content:not([data-area="creative"]) .solution-card-detail .marketing-detail-whitebox-text,
  .detail-content:not([data-area="creative"]) .solution-card-detail .sns-detail-whitebox-text {
    font-size: 14px;
    line-height: 1.8;
    letter-spacing: 1.4px;
  }
}

.detail-content .solution-card-detail .detail-whitebox-text strong,
.detail-content .solution-card-detail .marketing-detail-whitebox-text strong,
.detail-content .solution-card-detail .sns-detail-whitebox-text strong {
  font-weight: 700;
}

.detail-content .solution-card-detail .detail-whitebox-text mark,
.detail-content .solution-card-detail .marketing-detail-whitebox-text mark,
.detail-content .solution-card-detail .sns-detail-whitebox-text mark {
  padding: 0 3px 2px;
  background: linear-gradient(transparent 58%, #fff19a 58%);
  color: inherit;
  font-weight: 700;
}