.cover-video {
  position: relative;
  height: 420px; 
  overflow: hidden;
  background: none !important;
}

.cover-bg-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 120%;
  height: 120%;
  transform: translate(-50%, -50%);
  object-fit: cover;
}


.cover-overlay {
  position: absolute;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.35);
}

.cover-video .inner {
  position: relative;
  z-index: 2;
  color: #fff;
}



.mv {
  position: relative;
  overflow: hidden;
  background: #f8fbff;
  padding: 80px 20px 100px; 
}

.mv-inner {
  position: relative;
  z-index: 2;
  max-width: 1100px; 
  margin: 0 auto;
  display: flex;
  align-items: center;
  min-height: 450px;
}

/* --- 背景画像の合成処理 --- */
.mv::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 55%; 
  height: 100%;
  background: url("./../img/under/itsol/sms/main01.png") no-repeat right center;
  background-size: cover;
  opacity: 0.85;
  mask-image: linear-gradient(to right, transparent 0%, black 25%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 25%);
}

.mv::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(255,255,255,1) 0%, rgba(255,255,255,0.9) 60%, rgba(255,255,255,0) 100%);
  z-index: 1;
}

/* --- テキスト要素のスタイリング --- */
.mv-text {
  max-width: 650px; 
  animation: fadeUp 0.8s ease both;
  border-left: none; 
  padding-left: 0;
}

/* サブコピー（バッジ風） */
.mv-sub {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: #0b5bd3;
  background: #e6f0ff; 
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 15px;
  letter-spacing: 0.05em;
}

/* メインタイトル */
.mv-title {
  font-size: 38px;
  font-weight: 700;
  color: #1a1a1a;
  line-height: 1.4;
  margin-bottom: 20px;
  margin-top: 0;
  letter-spacing: 0.02em;
}

.mv-sms {
  font-size: 33px;
  line-height: 1.8;
  color: #143acd;
  margin-bottom: 15px; 
  background: none; 
  padding: 0;
}
/* リード文 */
.mv-desc {
  font-size: 16px;
  line-height: 1.8;
  color: #444;
  margin-bottom: 25px;
  font-weight: 500;
  background: none; 
  padding: 0;
  text-shadow: none;
}

.mv-points {
  list-style: none;
  padding: 0;
  margin: 0 0 35px 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.mv-points li {
  font-size: 16px;
  font-weight: 700;
  color: #333;
  display: flex;
  align-items: center;
}

.mv-points li i {
  color: #3751b3; 
  font-size: 20px;
  margin-right: 12px;
}

/* --- CTAボタン周り --- */
.mv-action {
  display: inline-flex;
  flex-direction: column;
  align-items: flex-start;
}

.mv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #3751b3;
  color: #fff !important;
  font-size: 18px;
  font-weight: bold;
  text-decoration: none;
  padding: 16px 40px;
  border-radius: 40px;
  box-shadow: 0 6px 15px rgba(100, 75, 80, 0.3);
  transition: all 0.3s ease;
}

.mv-btn i {
  margin-right: 10px;
}

.mv-btn:hover {
  transform: translateY(-3px);
  box-shadow: 0 4px 12px rgba(55, 81, 179, 0.3);
  background: #2E4496;
}

/* マイクロコピー */
.mv-action-note {
  font-size: 13px;
  font-weight: 600;
  color: #555;
  margin-top: 10px;
  margin-bottom: 0;
  padding-left: 10px;
  background: none;
}

/* =========================================
   レスポンシブ (スマホ表示)
========================================= */
@media (max-width: 768px) {
  .mv {
    padding: 50px 20px 60px;
  }
  .mv::before {
    width: 100%;
    opacity: 0.2;
    mask-image: none;
    -webkit-mask-image: none;
  }
  .mv::after {
    background: rgba(255, 255, 255, 0.85);
  }
  .mv-title {
    font-size: 26px;
  }
    .mv-desc, .mv-points li {
    font-size: 15px;
  }
  .mv-desc, .mv-points li {
    font-size: 14px;
  }
  .mv-action {
    width: 100%;
    align-items: center; 
  }
  .mv-btn {
    width: 100%;
    padding: 15px 20px;
    font-size: 16px;
  }
  .mv-action-note {
    padding-left: 0;
  }
}


/* ===== 課題 ===== */

.problem {
  padding: 80px 20px;
  max-width: 100%; 
  background: linear-gradient(135deg, #f1f5f9, #ffffff);
}

/* --- タイトル周り --- */
.problem-header {
  text-align: center;
  margin-bottom: 40px;
}

/* 視線を惹きつけるバッジ */
.problem-badge {
  display: inline-block;
  background: #3751b3; 
  color: #ffffff;
  font-size: 14px;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 30px;
  margin-bottom: 15px;
  box-shadow: 0 4px 12px rgba(55, 81, 179, 0.3);
}

.problem-badge i {
  margin-right: 5px;
}

.problem h2 {
  color: #0b5bd3;
  margin-bottom: 0; 
}

/* --- グリッド --- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 25px;
  max-width: 1100px;
  margin: 0 auto;
}

/* ===== カード（グラス風） ===== */
.card {
  position: relative;
  padding: 30px 25px 25px; 
  border-radius: 20px;
  background: #ffffff;
  border: 1px solid #e5e7eb;

  border-top: 5px solid #dbeafe; 
  box-shadow: 0 4px 10px rgba(0,0,0,0.04), 0 10px 20px rgba(0,0,0,0.04);
  transition: all 0.3s ease;
  text-align: center; 
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 25px rgba(0, 0, 0, 0.08);
}

/* アイコン枠 */
.card-img {
  display: flex;
  justify-content: center;
  align-items: center;
  width: 90px; 
  height: 90px;
  margin: 10px auto 20px;
  border-radius: 50%;
  background: #f0f4f8; 
}

.card-img i {
  font-size: 40px; 
  color: #3b82f6;  
  transition: transform 0.3s ease;
}

.card:hover .card-img i {
  transform: scale(1.15) rotate(-5deg);
  color: #0b5bd3;
}

/* 番号 */
.card .num {
  position: absolute;
  top: 15px;
  left: 15px;
  font-size: 13px;
  font-weight: 900;
  color: #64748b;
  background: #f1f5f9;
  padding: 4px 10px;
  border-radius: 8px;
}

.card h3 {
  margin-top: 0;
  margin-bottom: 12px;
  font-size: 17px;
  font-weight: 700;
  color: #333;
}

.card h3 .marker {
  background: linear-gradient(transparent 60%, #fff3cd 60%);
  padding: 0 4px;
}

.card p {
  font-size: 14px;
  color: #555;
  line-height: 1.6;
  margin: 0;
}

.card p strong {
  font-size:16px;
  color: #3751b3;
  font-weight: 700;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .problem-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .problem-grid {
    grid-template-columns: 1fr;
  }
}


/* ===== 解決 ===== */
.solution {
  background: #f5f7fa;
  padding: 60px 20px;
}



.solution h2 {
  font-size: 30px;
  color: #0b5bd3;
  text-align: center;
  margin-bottom: 40px;
}

/* 横並び */
.solution-inner {
  max-width: 1200px;
  margin: auto;
  display: flex;
  gap: 20px;
  align-items: flex-start;
}

/* テキスト側 */
.solution-text {
  flex: 0.9;
  display: flex;
  flex-direction: column;
  justify-content: center; 
}


/* キャッチコピー */
.solution-catch {
  font-size: 20px;
  font-weight: 700;
  color: #0b5bd3;
  line-height: 1.5;
  margin-bottom: 25px;
  margin-top: 0;
}

/* ベネフィットのリスト */
.solution-benefits {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
}

.solution-benefits li {
  font-size: 15px;
  font-weight: 600;
  color: #333;
  margin-bottom: 12px;
  display: flex;
  align-items: center;
}

.solution-benefits li i {
  color: #3751b3; 
  font-size: 20px;
  margin-right: 10px;
}

/* 結論テキスト */


.solution-summary {
  padding: 22px 24px;
  background: #ffffff;
  border-radius: 12px;
  border: 1px solid #e5e7eb;
  max-width: 520px;
}

.solution-summary .label {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: #0b5bd3;
  font-weight: 700;
  margin-bottom: 10px;
}

.solution-summary p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: #333;
}

.solution-summary strong {
  font-weight: 700;
  background: linear-gradient(transparent 60%, #dbeafe 60%);
}


.section-solution-flow {
  background: #f7f9fc;
  padding: 80px 0;
}


/* スマホ対応 */
@media (max-width: 768px) {
  .solution-inner {
    flex-direction: column;
  }
  .solution-text {
    margin-bottom: 30px;
  }
  .solution-catch {
    font-size: 18px;
    text-align: center;
  }
  .solution-summary {
    text-align: left;
  }
}
/* 画像側 */
.solution-image {
  flex: 1.2;
}

.solution-image img {
  width: 100%;
  display: block;
  margin: auto;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {
  .solution-inner {
    flex-direction: column;
    text-align: center;
  }

  .solution-text ul {
    text-align: left;
    display: inline-block;
  }
}

/* --- サービス内容セクション --- */
.services-container {
  max-width: 1100px;
  margin: auto;
  margin-bottom: 60px;
}



.services {
  padding-top: 70px;
  margin-top: 40px;
  position: relative;
  
  background: linear-gradient(
    to bottom,
    #f3f6fa 0%,
    #ffffff 80%
  );

}

.services::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  width: 60px;
  height: 3px;
  background: #0b5bd3;
  transform: translateX(-50%);
}


/* メイン（システム運用サポート）レイアウト */
.service-main {
  display: flex;
  align-items: center;
  justify-content: space-between;
  text-align: left;
  padding: 30px 40px;
  margin-top: 30px;
  margin-bottom: 50px; 
  background: #f8fbff; 
  border-top: 4px solid #0b5bd3; 
}

.service-main-text {
  flex: 1;
  padding-right: 30px;
}

.service-main-text h3 {
  text-align: left;
  border-left: none; 
  padding-left: 0;
  font-size: 20px;
  color: #0b5bd3;
}

.service-main-text h3 i {
  margin-right: 8px;
}

.service-main-img {
  width: 250px;
  flex-shrink: 0;
}

.service-main-img img {
  width: 100%;
  margin-bottom: 0;
}

/* サブ（3カラム）のグリッド */
.services-sub-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}


.services-sub-grid .service-box {
  padding: 24px 20px;
}


/* サブカードの見出し調整 */
.services-sub-grid .service-box h3 {
  border-left: none;
  text-align: center;
  color: #333;
}

.services-sub-grid .service-box h3 i {
  color: #0b5bd3;
  margin-right: 6px;
}

/* タグ型リストのデザイン */
.tag-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 8px;
  padding: 0 !important;
}

.tag-list li {
  list-style: none;
  background: #ffffff;
  color: #444;
  padding: 6px 14px !important;
  font-size: 13px !important;
  border: 1px solid #d0d7e2;
  border-radius: 20px; 
  line-height: 1 !important;
}

.tag-list li::before {
  content: none !important;
}

/* レスポンシブ */
@media (max-width: 768px) {
  .service-main {
    flex-direction: column;
    text-align: center;
    padding: 20px;
  }
  .service-main-text {
    padding-right: 0;
    margin-bottom: 20px;
  }
  .service-main-text h3 {
    text-align: center;
  }
  .services-sub-grid {
    grid-template-columns: 1fr;
  }
}

/* --- 選ばれる理由（ベネフィット）セクション --- */
.values {
  padding: 80px 20px;
  background: #f5f7fa; 
}

.values h2 {
  max-width: 1100px;
  margin: 0 auto 50px;
  color: #0b5bd3;
  text-align: center;
}

/* グリッドレイアウト（2カラム） */
.value-list {
  max-width: 1100px;
  margin: auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;

}


.value-item {
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(2px);
  padding: 28px 20px;
  border-radius: 8px;
  border-bottom: none;
  opacity: 0.8;
  transform: translateY(0);
  transition: opacity 0.4s ease, transform 0.4s ease;

}


.value-item:hover {
  opacity: 1;
  transform: translateY(-5px);
}


.value-item::after {
  content: attr(data-num);
  position: absolute;
  top: 0;
  right: 0;
  font-size: 64px;
  font-weight: 700;
  color: #0b5bd3;
  opacity: 0.12;
}

.value-header {
  align-items: flex-start;
  margin-bottom: 10px;
}

.value-header i {
  font-size: 20px;
  margin-top: 3px;
  margin-right: 12px;
}



.value-item h3 {
  font-size: 17px;
  line-height: 1.5;
  position: relative;
  padding-left: 12px;

}

.value-item h3::before {
  content: "";
  position: absolute;
  left: 0;
  top: 6px;
  width: 4px;
  height: 40px;
  background: #0b5bd3;
}

.value-body {
  z-index: 1;
}

.value-item p {
  font-size: 14px;
  line-height: 1.9;
  color: #555;
}


.value-item:nth-child(odd) {
  padding-right: 30px;
}
.value-item:nth-child(even) {
  padding-left: 30px;
}

/* レスポンシブ対応（スマホ時は1カラム） */
@media (max-width: 768px) {
  .value-list {
    grid-template-columns: 1fr;
  }
  .value-header h3 br {
    display: none;
  }
}


/* ===== 導入事例 ===== */
.cases {
  padding: 60px 20px;
  background: #f5f7fa;
}

.cases h2 {
  max-width: 1100px;
  margin: 0 auto 30px;
  color: #0b5bd3;
}

.triad-tabs {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
}

.triad-tab {
  flex: 1;
  text-align: center;
  padding: 14px;
  background: #e9eef5;
  cursor: pointer;
  border: 1px solid #d0d7e2;
  border-bottom: none;
  font-size: 14px;
  line-height: 1.4;
}

.triad-tab.active {
  
  background: #0b5bd3;
  color: #fff;
  font-weight: 600;
}

.triad-contents {
  max-width: 1100px;
  margin: auto;
  border: 1px solid #d0d7e2;
  background: #fff;
}

.triad-content {
  display: none;
  padding: 30px;
}

.triad-content.active {
  display: block;
}

.case-box {
  border: 1px solid #d6e0ef;
  border-radius: 10px;
  padding: 24px;
}
.case-header {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 20px;
}
.case-header .icon {
  width: 60px;
  height: 60px;
  background: #eaf1ff;
  color: #0b5bd3;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
}
.case-header h3 {
  font-size: 18px;
  font-weight: 600;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.case-col {
  border: 1px solid #e0e0e0;
  padding: 16px;
}
.case-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 10px;
  color: #0b5bd3;
}
.case-col ul {
  padding-left: 16px;
}
.case-col li {
  margin-bottom: 8px;
  font-size: 14px;
  line-height: 1.8;
}
.case-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.case-lead {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;           
  min-width: 0;     
}

.case-lead .icon {
  width: 60px;
  height: 60px;
  background: #eef4ff;
  color: #0b5bd3;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px; 
  flex-shrink: 0;
}

.case-lead h3 {
  font-size: 18px;
  font-weight: 600;
}
.case-list {
  padding-left: 0 !important;
  list-style: none;
}
.case-list li {
  position: relative;
  padding-left: 20px; 
  margin-bottom: 12px;
  font-size: 14px;
  line-height: 1.6;
  color: #444;
}
.case-list li::before {
  content: '\f00c'; 
  font-family: 'Font Awesome 5 Free';
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: #0b5bd3;
  font-size: 12px;
}
.highlight-col {
  background: #fff9e6;
  border: 1px solid #ffe082 !important; 
  border-radius: 8px;
  padding: 15px !important;
  position: relative;
  border-left: 1px solid #ffe082 !important;
}

.highlight-col h4 {
  color: #e6001A; 
}
.highlight-col .case-list li::before {
  color: #e6001A;
}

.case-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: flex-end;
  flex-shrink: 0;   
}

.case-tags span {
  border: 1px solid #0b5bd3;
  color: #0b5bd3;
  padding: 6px 10px;
  border-radius: 6px;
  font-size: 13px;
}

.case-flow {
  display: flex;
  align-items: stretch;
  gap: 20px;
}

.flow-col {
  flex: 1;
  padding: 10px;
  border-left: 2px solid #e6ecf5;
}

.flow-col:first-child {
  border-left: none;
}

.flow-col h4 {
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 15px;
  color: #0b5bd3;
}

.flow-col ul {
  padding-left: 16px;
}

.flow-col li {
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 8px;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #a0aec0;
  width: 30px;
}
.flow-arrow i {
  transition: transform 0.3s;
}

/* ===== レスポンシブ ===== */
@media (max-width: 768px) {

  .triad-tabs {
    flex-direction: column;
  }

  .case-top {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
  }

  .case-flow {
    flex-direction: column;
    gap: 0;
  }

  .flow-col {
    border-left: none;
    padding: 15px 0;
  }


  .highlight-col {
    padding: 20px 15px !important; 
    border-left: 1px solid #ffe082 !important; 
    margin-top: 10px;
  }

  .flow-arrow {
    width: 100%;
    height: 40px; 
    margin: 5px 0;
  }


  .flow-arrow i {
    transform: rotate(90deg);
  }

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


.service-plan {
    max-width: 1400px;
    margin: 60px auto;
    padding: 0 20px;
}

.pricing-inner h2 {
  text-align: center;
  color: #0b5bd3;
  margin-bottom: 15px;

}
.pricing-lead {
  text-align: center;
  font-size: 15px;
  color: #555;
  margin-bottom: 40px;
  line-height: 1.6;
}

.pricing-note {
  display: table;
  margin: 40px auto 0;
  font-size: 14px;
  color: #555;
  background: #f1f5f9;
  padding: 12px 25px;
  border-radius: 30px;
}
.pricing-note a {
  color: #0b5bd3;
  text-decoration: underline;
  font-weight: bold;
}

.plan-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.plan-card {
    background: #fff;
    border: 2px solid #0a4dbb;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 20px rgba(0,0,0,.08);
}

.plan-header {
    background: linear-gradient(180deg, #0b56c2 0%, #0045a8 100%);
    color: #fff; 
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 20px 24px;
}

.plan-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: #fff;
    color: #0b56c2;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 42px;
}

.plan-header h2 {
    color: #fff;
    margin: 0;
    font-size: 2rem;
    font-weight: 700;
}

.plan-body {
    padding: 30px;
}

.plan-catch {
    color: #0b56c2;
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 40px;
}

.plan-body h3 {
    color: #0b56c2;
    font-size: 1.8rem;
    margin: 35px 0 20px;
    padding-left: 16px;
    border-left: 6px solid #0b56c2;
}

.plan-body ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.plan-body li {
    font-size: 1.2rem;
    line-height: 1.8;
    margin-bottom: 10px;
    position: relative;
    padding-left: 24px;
}

.plan-body li::before {
    content: "●";
    position: absolute;
    left: 0;
    color: #0b56c2;
}

.price-box {
        margin-top: auto;
    background: #eef3fa;
    text-align: center;
    padding: 20px;
    border-radius: 12px;
    color: #ff0000;
    font-weight: 700;
    font-size: 1.2rem;
}

.price-box span {
    font-size: 1.5rem;
    line-height: 1;
}
.plan-header i {
    width: 70px;
    height: 70px;
    min-width: 70px;

    border-radius: 50%;
    background: #fff;
    color: #0b56c2;

    display: flex;
    align-items: center;
    justify-content: center;

    font-size: 34px;
}

@media (max-width: 1024px) {
    .plan-grid {
        grid-template-columns: 1fr;
    }

    .plan-header h2 {
        font-size: 1.8rem;
    }

    .plan-catch {
        font-size: 1.6rem;
    }

    .price-box span {
        font-size: 3rem;
    }
}