@charset "UTF-8";

/*
 * index.css — トップページ専用スタイル
 * style.css の共通スタイルを上書き・拡張します
 */

/* ==========================================================================
   1. Page Base
   ========================================================================== */
.p-index { --sun-red: var(--c-primary); }

.p-index .section-title-en {
  display: block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: #64748b;
  margin-bottom: 10px;
}

/* ==========================================================================
   2. Stats Bar（実績・信頼指標）
   ========================================================================== */
.p-index .stats-bar {
  background: #fff;
  border-bottom: 1px solid var(--c-border);
  padding: 0;
}
.p-index .stats-bar-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: nowrap;
  gap: 40px;
}
.p-index .stat-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 20px 36px;
  gap: 4px;
  border-right: 0;
  flex: 0 1 auto;
  min-width: 0;
}
.p-index .stat-item--logo {
  padding: 16px 0;
}
.p-index .stat-logo {
  display: block;
  width: 100%;
  height: auto;
}
.p-index .stat-logo--aws {
  max-width: 198px;
}
.p-index .stat-logo--azure {
  max-width: 188px;
}
.p-index .stat-num {
  font-size: 22px;
  font-weight: 900;
  color: var(--c-text-main);
  font-family: 'Inter', sans-serif;
  letter-spacing: -0.02em;
  line-height: 1;
}
.p-index .stat-num .stat-unit {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}
.p-index .stat-badge {
  display: inline-block;
  background: var(--c-primary-soft);
  color: var(--c-primary);
  font-size: 11px;
  font-weight: 800;
  padding: 3px 10px;
  border-radius: 6px;
  letter-spacing: 0.04em;
  line-height: 1.6;
}
.p-index .stat-label {
  font-size: 11px;
  color: var(--c-text-muted);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-align: center;
}
@media (max-width: 768px) {
  .p-index .stats-bar-inner {
    flex-wrap: wrap;
    gap: 20px;
  }
  .p-index .stat-item {
    padding: 8px 0;
    flex-direction: row;
    gap: 12px;
    border: 0;
    min-width: 0;
    flex: 0 1 auto;
  }
  .p-index .stat-item--logo {
    justify-content: center;
  }
  .p-index .stat-logo--aws,
  .p-index .stat-logo--azure {
    max-width: 170px;
  }
  .p-index .stat-label { text-align: left; }
}

/* ==========================================================================
   3. Lead Section
   ========================================================================== */
.p-index .lead-block {
  padding: 80px 0;
  background: #fff;
}
.p-index .lead-layout {
  max-width: 1080px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.p-index .lead-visual {
  display: flex;
  flex-direction: column;
  gap: 22px;
}
.p-index .lead-partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 36px;
}
.p-index .lead-partner-logo {
  display: block;
  height: auto;
}
.p-index .lead-partner-logo--aws {
  width: 125px;
}
.p-index .lead-partner-logo--azure {
  width: 213px;
}
.p-index .lead-media {
  width: 100%;
  border-radius: 18px;
  border: 0;
  background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
  min-height: 360px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #94a3b8;
  font-size: 14px;
  letter-spacing: 0.08em;
  font-weight: 700;
}
.p-index .lead-media img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  object-fit: cover;
  display: block;
  border-radius: 18px;
}
.p-index .lead-copy { text-align: left; }
.p-index .lead-copy .section-title-en { margin-bottom: 12px; }
.p-index .lead-title {
  margin: 0 0 24px;
  font-size: 40px;
  line-height: 1.28;
  font-weight: 800;
  color: #111827;
  letter-spacing: 0.01em;
}
.p-index .lead-text {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: #475569;
}
.p-index .lead-text strong {
  color: inherit;
  font-weight: 400;
}
.p-index .lead-text--emphasis {
  margin-top: 4px;
  margin-bottom: 0;
  color: #475569;
  font-weight: 400;
}
@media (max-width: 900px) {
  .p-index .lead-layout {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .p-index .lead-visual {
    gap: 16px;
  }
  .p-index .lead-partner-logo--aws {
    width: 108px;
  }
  .p-index .lead-partner-logo--azure {
    width: 185px;
  }
  .p-index .lead-media { min-height: 260px; }
  .p-index .lead-media img { min-height: 260px; }
  .p-index .lead-title { font-size: 30px; }
}
@media (max-width: 768px) {
  .p-index .lead-block { padding: 56px 0; }
  .p-index .lead-title { font-size: 26px; }
  .p-index .lead-text { font-size: 15px; }
}

/* ==========================================================================
   4. Service Lineup Cards
   ========================================================================== */
.p-index .platform-card {
  display: flex;
  flex-direction: column;
  height: 100%;
  padding: 32px;
  background: #fff;
  border: 1px solid var(--c-border);
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}
.p-index .platform-card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,.08);
}
.p-index .platform-card:hover .btn-detail {
  color: var(--sun-red);
}
.p-index .platform-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}
.p-index .platform-badge {
  width: 120px;
  height: auto;
  object-fit: contain;
}
.p-index .platform-desc {
  font-size: 15px;
  color: var(--c-text-body);
  margin-bottom: 24px;
  flex-grow: 1;
}

/* ==========================================================================
   5. Reasons Section
   ========================================================================== */
.p-index .reason-rows-container {
  display: flex;
  flex-direction: column;
  gap: 0;
  margin-top: 60px;
  max-width: 840px;
  margin-left: auto;
  margin-right: auto;
}
.p-index .reason-row {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 40px 0;
}
.p-index .reason-reverse { flex-direction: row-reverse; }
.p-index .reason-img-col { flex: 1; text-align: center; }
.p-index .reason-text-col { flex: 1; text-align: left; }
.p-index .reason-img {
  width: 100%;
  height: auto;
  border-radius: 16px;
  box-shadow: none !important;
}
.p-index .reason-num {
  font-family: 'Inter', sans-serif;
  font-size: 60px;
  font-weight: 700;
  line-height: 1;
  color: #d1d5db;
  opacity: 0.5;
  letter-spacing: -0.02em;
  margin-bottom: 16px;
}
.p-index .reason-text-col h3 {
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--c-text-main);
  line-height: 1.4;
}
.p-index .reason-text-col p,
.p-index .reason-text-col .check-list {
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text-body);
}
@media (max-width: 768px) {
  .p-index .reason-row,
  .p-index .reason-reverse {
    flex-direction: column !important;
    gap: 24px;
    text-align: left;
  }
  .p-index .reason-num { font-size: 50px; }
  .p-index .reason-text-col h3 { font-size: 24px; }
}

/* ==========================================================================
   6. Common Utilities
   ========================================================================== */
.p-index .bg-panel { background-color: var(--c-bg-panel); }
.p-index .bg-white { background-color: #fff; }
.p-index .mx-auto { margin-left: auto; margin-right: auto; }

.p-index .phase-card {
  background: #fff;
  border: none;
  padding: 32px;
  border-radius: var(--radius-lg);
  border-top: none;
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}
.p-index .phase-card:hover {
  box-shadow: 0 12px 32px rgba(0,0,0,.07);
  transform: translateY(-3px);
}
.p-index .phase-card .check-list { margin-top: 12px; }

/* ==========================================================================
   7. Flow Section（タイムライン形式）
   ========================================================================== */
.p-index .flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
}
.p-index .flow-grid::before {
  content: '';
  position: absolute;
  top: 27px;
  left: calc(100% / 8);
  right: calc(100% / 8);
  height: 2px;
  background: linear-gradient(to right, var(--c-primary) 0%, #cbd5e0 100%);
  z-index: 0;
}
.p-index .flow-card {
  background: transparent !important;
  border: none !important;
  padding: 0 16px !important;
  text-align: center;
}
.p-index .flow-num {
  display: block !important;
  position: relative !important;
  top: auto !important;
  right: auto !important;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--c-primary);
  color: #fff;
  font-size: 17px;
  font-weight: 900;
  font-family: 'Inter', sans-serif;
  line-height: 56px;
  text-align: center;
  z-index: 1;
  margin: 0 auto 20px;
  box-shadow: 0 4px 14px rgba(255, 51, 0, 0.3);
  letter-spacing: -0.01em;
}
.p-index .flow-title {
  font-weight: 800;
  margin-bottom: 8px;
  font-size: 15px;
  color: var(--c-text-main);
  text-align: center;
}
.p-index .flow-text {
  font-size: 13px;
  color: var(--c-text-muted);
  line-height: 1.65;
  text-align: center;
}
@media (max-width: 900px) {
  .p-index .flow-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .p-index .flow-grid::before { display: none; }
  .p-index .flow-card { padding: 0; }
  .p-index .flow-text { text-align: center; }
}
@media (max-width: 500px) {
  .p-index .flow-grid { grid-template-columns: 1fr; }
}

.p-index .approach-figure {
  margin-top: 28px;
  padding-top: 32px;
  text-align: center;
}
.p-index .approach-figure h3 {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.35;
  color: var(--c-text-main);
}
.p-index .approach-figure img {
  width: min(100%, 980px);
  height: auto;
  display: inline-block;
}
.p-index .strategy-table-wrap {
  margin-top: 28px;
  width: min(100%, 980px);
  margin-left: auto;
  margin-right: auto;
  overflow-x: auto;
  border-radius: 14px;
  background: #fff;
}
.p-index .strategy-table {
  width: 100%;
  min-width: 760px;
  border-collapse: collapse;
  background: #fff;
  color: #222;
  text-align: center;
  table-layout: fixed;
}
.p-index .strategy-table th,
.p-index .strategy-table td {
  width: 33.333%;
  padding: 16px 20px;
  border-bottom: 1px solid #d7d7d7;
  font-family: var(--font-base);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.25;
}
.p-index .strategy-table th {
  font-weight: 700;
  color: #222;
}
.p-index .strategy-table td {
  color: var(--c-text-muted);
}
.p-index .strategy-table tbody tr:last-child td {
  border-bottom: 0;
}
@media (max-width: 980px) {
  .p-index .strategy-table th,
  .p-index .strategy-table td {
    font-size: 15px;
    padding: 14px 16px;
  }
}
@media (max-width: 640px) {
  .p-index .strategy-table th,
  .p-index .strategy-table td {
    font-size: 14px;
    padding: 10px 10px;
  }
}

/* ==========================================================================
   8. Use Cases — Tab Navigation
   ========================================================================== */
.p-index .case-tabs-nav {
  position: sticky;
  top: var(--header-h, 70px);
  z-index: 50;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin-bottom: 28px;
  background: rgba(248, 250, 252, 0.96);
  backdrop-filter: blur(8px);
  border-radius: 14px;
  padding: 6px;
  border: 1px solid var(--c-border);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.06);
}
.p-index .case-tab-btn {
  flex: 1;
  min-width: 100px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.5);
  color: #64748b;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
  font-family: var(--font-base);
  line-height: 1.4;
  text-align: center;
  white-space: nowrap;
}
.p-index .case-tab-btn.active {
  background: #fff;
  color: var(--c-text-main);
  border-color: rgba(251, 113, 37, 0.28);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}
.p-index .case-tab-btn:hover:not(.active) {
  background: rgba(255,255,255,0.85);
  border-color: rgba(148, 163, 184, 0.32);
  color: var(--c-text-body);
}
.p-index .case-tab-btn .tab-num {
  display: block;
  font-size: 10px;
  font-weight: 800;
  color: var(--c-primary);
  letter-spacing: 0.06em;
  margin-bottom: 2px;
  font-family: 'Inter', sans-serif;
}
.p-index .case-tab-btn.active .tab-num {
  color: var(--c-primary);
}
.p-index .case-tab-btn:not(.active) .tab-num {
  color: #7f90a8;
}
.p-index .case-tab-btn:focus-visible {
  outline: 2px solid rgba(251, 113, 37, 0.5);
  outline-offset: 1px;
}
@media (max-width: 768px) {
  .p-index .case-tabs-nav {
    gap: 4px;
    padding: 4px;
  }
  .p-index .case-tab-btn {
    font-size: 11px;
    padding: 8px 8px;
    min-width: 0;
  }
}

/* ==========================================================================
   9. Use Cases — Case Panels（共通）
   ========================================================================== */
.p-index .cases-container {
  display: flex;
  flex-direction: column;
  gap: 18px;
  max-width: none;
  width: 100%;
  padding-inline: 20px;
  box-sizing: border-box;
}
.p-index .case-details {
  background: linear-gradient(180deg, #ffffff 0%, #fbfdff 100%);
  border: 1px solid #dbe4ef;
  border-radius: 18px;
  overflow: hidden;
  transition: border-color 0.24s ease, box-shadow 0.24s ease, background 0.24s ease;
  animation: caseFadeUp 0.4s ease both;
}
.p-index .case-details[open] {
  border-color: rgba(255, 87, 34, 0.38);
  box-shadow: 0 14px 28px rgba(15, 23, 42, 0.08);
  background: #fff;
}
.p-index .case-summary {
  padding: 28px 32px 24px;
  cursor: pointer;
  list-style: none;
  display: block;
  color: var(--c-text-main, #1a1f26);
  transition: background 0.2s ease;
}
.p-index .case-summary:hover { background: rgba(148, 163, 184, 0.08); }
.p-index .case-details[open] .case-summary:hover { background: transparent; }
.p-index .case-summary::-webkit-details-marker { display: none; }
.p-index .case-summary::after {
  content: none !important;
  display: none !important;
}
.p-index .case-details--static .case-summary {
  cursor: default;
  padding: 10px 0 22px;
}
.p-index .case-details--static .case-summary:hover { background: transparent; }
.p-index .case-details--static {
  background: transparent;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  overflow: visible;
}
.p-index .case-details--static .case-summary-header { margin-bottom: 12px; }
.p-index .case-details--static .case-summary-inner { gap: 16px; }
.p-index .case-details--static .case-title {
  font-size: 22px;
  line-height: 1.36;
  color: #ff3300;
}

.p-index .case-summary-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 20px;
}
.p-index .case-summary-inner {
  display: flex;
  align-items: center;
  gap: 14px;
}
.p-index .case-num {
  color: var(--c-primary);
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  font-size: 12px;
  line-height: 1;
  background: var(--c-primary-soft);
  border: 1px solid rgba(255, 51, 0, 0.18);
  padding: 6px 10px;
  border-radius: 99px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.p-index .case-title {
  font-size: 22px;
  font-weight: 800;
  line-height: 1.42;
  letter-spacing: 0.01em;
  color: #0f172a;
}
.p-index .case-icon {
  position: relative;
  width: 28px;
  height: 28px;
  flex-shrink: 0;
  border-radius: 50%;
  background: #f8fafc;
  border: 1px solid #d7e0ea;
}
.p-index .case-icon::before,
.p-index .case-icon::after {
  content: '';
  position: absolute;
  background: #64748b;
  transition: transform 0.3s ease;
}
.p-index .case-icon::before {
  top: 13px; left: 7px;
  width: 12px; height: 2px;
}
.p-index .case-icon::after {
  top: 8px; left: 12px;
  width: 2px; height: 12px;
  display: block !important;
}
.p-index .case-details[open] .case-icon::after {
  transform: rotate(90deg);
  opacity: 0;
}
.p-index .case-details--static .case-icon { display: none; }

/* --- Case Problem --- */
.p-index .case-problem {
  margin-top: 18px;
  background: transparent;
  border: 0;
  padding: 0;
  border-radius: 0;
}
.p-index .case-problem-lead {
  margin: 0 0 14px;
  font-size: clamp(26px, 3.2vw, 38px);
  line-height: 1.35;
  font-weight: 700;
  color: #0f172a;
  letter-spacing: 0.01em;
  text-wrap: balance;
}
.p-index .case-problem-title {
  font-size: 13px;
  font-weight: 800;
  color: #334155;
  margin: 0 0 10px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.01em;
}
.p-index .case-problem-title::before {
  content: '';
  display: block;
  width: 4px;
  height: 14px;
  background: #94a3b8;
  border-radius: 2px;
}
.p-index .case-problem-list {
  margin: 0;
  padding-left: 0;
  font-size: 13px;
  color: var(--c-text-body, #4a5568);
  line-height: 1.7;
  font-weight: 400;
  list-style: none;
}
.p-index .case-problem-list li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 28px;
}
.p-index .case-problem-list li::before {
  content: "";
  position: absolute;
  top: 0.2em; left: 0;
  width: 18px; height: 18px;
  background-repeat: no-repeat;
  background-size: 18px 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 20 20' fill='none'%3E%3Ccircle cx='10' cy='10' r='9' fill='%23ffffff' stroke='%23475569' stroke-width='1.3'/%3E%3Cpath d='M6.3 10.1l2.4 2.4 5-5.1' stroke='%23475569' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.p-index .case-problem-list li:last-child { margin-bottom: 0; }
.p-index .case-problem-list--cards {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  padding-left: 0;
}
.p-index .case-problem-list--cards li {
  margin: 0;
  padding: 16px 14px;
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #ffffff;
  box-shadow: 0 6px 16px rgba(15, 23, 42, 0.04);
  text-align: center;
  line-height: 1.65;
  color: #334155;
  font-size: 13px;
  font-weight: 600;
  display: flex;
  flex-direction: column;
}
.p-index .case-problem-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 10px;
  display: block;
  transition: transform 0.24s ease;
}
.p-index .case-problem-list--cards li::before { content: none; }
.p-index .case-problem-insight {
  margin: 16px 0 0;
  padding: 12px 14px;
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 13px;
  line-height: 1.75;
  color: #475569;
  background: #f8fafc;
  border-radius: 10px;
}
.p-index .case-problem-insight-icon {
  flex-shrink: 0;
  width: 16px; height: 16px;
  margin-top: 0.25em;
  color: #64748b;
}
.p-index .case-problem-insight strong {
  text-decoration: underline;
  text-underline-offset: 2px;
  font-weight: 600;
  color: #334155;
}

/* --- Case Content --- */
.p-index .case-content { padding: 0 32px 30px; border-top: 1px solid transparent; }
.p-index .case-details[open] .case-content { border-top-color: #edf2f7; padding-top: 22px; }
.p-index .case-details--static .case-content { border-top: 0; padding: 18px 0 6px; }
.p-index .case-details--static .case-problem-list--cards li { min-height: 92px; padding: 18px 14px; }
.p-index .case-block { margin-bottom: 24px; }
.p-index .case-block:last-child { margin-bottom: 0; }
.p-index .case-block h4 {
  font-size: 15px;
  color: #334155;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
}
.p-index .case-block h4::before {
  content: '';
  display: block;
  width: 4px; height: 14px;
  background: #94a3b8;
  border-radius: 2px;
}
.p-index .case-approach-arrow {
  display: block;
  width: 100px;
  max-width: 22vw;
  margin: 0 auto 16px;
  opacity: 0.9;
}
.p-index .case-block p {
  font-size: 14px;
  color: var(--c-text-body, #4a5568);
  line-height: 1.85;
  margin: 0 0 10px;
}
.p-index .case-block ul,
.p-index .case-block ol {
  margin: 0; padding-left: 0;
  font-size: 14px;
  color: var(--c-text-body, #4a5568);
  line-height: 1.85;
  list-style: none;
}
.p-index .case-block li {
  position: relative;
  margin-bottom: 8px;
  padding-left: 28px;
}
.p-index .case-block li::before {
  content: "";
  position: absolute;
  top: 0.2em; left: 0;
  width: 18px; height: 18px;
  background-repeat: no-repeat;
  background-size: 18px 18px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 20 20' fill='none'%3E%3Ccircle cx='10' cy='10' r='9' fill='%23ffffff' stroke='%23475569' stroke-width='1.3'/%3E%3Cpath d='M6.3 10.1l2.4 2.4 5-5.1' stroke='%23475569' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}
.p-index .case-block li:last-child { margin-bottom: 0; }
.p-index .case-value-layout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.p-index .case-value-text { flex: 1 1 auto; min-width: 0; }
.p-index .case-value-text h4 { margin-top: 0; }
.p-index .case-value-illust {
  width: 420px;
  max-width: 42%;
  height: auto;
  flex: 0 0 auto;
  display: block;
  margin-top: 24px;
  margin-right: 56px;
}
.p-index .case-value-layout--text-only .case-value-illust { display: none; }
.p-index .case-value-layout--text-only .case-value-text { flex: 1 1 100%; }
.p-index .case-steps-flow {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  align-items: stretch;
  margin: 16px 0 12px;
}
.p-index .case-step-card {
  border: 1px solid #e2e8f0;
  border-radius: 14px;
  background: #ffffff;
  padding: 16px 14px 14px;
  min-height: 98px;
  display: block;
  position: relative;
  text-align: center;
  box-shadow: 0 8px 20px rgba(15, 23, 42, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.p-index .case-step-illust {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 10px;
  display: block;
  transition: transform 0.24s ease;
}
.p-index .case-step-no {
  position: absolute;
  top: 10px; left: 10px;
  display: inline-block;
  margin: 0;
  font-size: 10px;
  font-weight: 700;
  color: #94a3b8;
  background: transparent;
  border-radius: 0;
  padding: 0;
  line-height: 1;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
.p-index .case-step-title {
  margin: 0;
  font-size: 17px;
  line-height: 1.4;
  font-weight: 700;
  color: #1f2937;
  text-wrap: balance;
}
.p-index .case-step-sub {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.55;
  font-weight: 500;
  color: #64748b;
}
.p-index .case-step-arrow { display: none; }
.p-index .case-steps-note {
  margin: 8px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: #475569;
}

/* Hover effects */
@media (hover: hover) {
  .p-index .case-problem-list--cards li:hover,
  .p-index .case-step-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.08);
  }
  .p-index .case-problem-list--cards li:hover .case-problem-card-img,
  .p-index .case-step-card:hover .case-step-illust {
    transform: scale(1.02);
  }
}

/* Case animations */
@keyframes caseFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}
@media (prefers-reduced-motion: reduce) {
  .p-index .case-details,
  .p-index .case-step-card,
  .p-index .case-problem-card-img,
  .p-index .case-step-illust {
    animation: none !important;
    transition: none !important;
  }
}

/* Case responsive */
@media (max-width: 768px) {
  .p-index .case-summary { padding: 20px 18px 18px; }
  .p-index .case-summary-inner { flex-direction: row; align-items: flex-start; gap: 10px; }
  .p-index .case-summary-header { align-items: flex-start; gap: 12px; }
  .p-index .case-num { font-size: 11px; padding: 5px 8px; }
  .p-index .case-title { font-size: 17px; line-height: 1.45; }
  .p-index .case-problem { padding: 14px; }
  .p-index .case-problem-list { font-size: 12px; }
  .p-index .case-problem-list--cards { grid-template-columns: 1fr; }
  .p-index .case-problem-list--cards li { padding: 12px; }
  .p-index .case-problem-card-img { margin-bottom: 8px; }
  .p-index .case-problem-insight { font-size: 12px; }
  .p-index .case-content { padding: 0 18px 22px; }
  .p-index .case-details[open] .case-content { padding-top: 18px; }
  .p-index .case-block h4 { font-size: 14px; }
  .p-index .case-block p,
  .p-index .case-block ul,
  .p-index .case-block ol { font-size: 13px; line-height: 1.75; }
  .p-index .case-value-layout { display: block; }
  .p-index .case-value-text h4 { margin-bottom: 10px; }
  .p-index .case-value-illust { width: min(300px, 100%); max-width: 100%; margin: 12px auto 0; }
  .p-index .case-steps-flow { grid-template-columns: 1fr; gap: 8px; }
  .p-index .case-step-arrow { transform: rotate(90deg); }
  .p-index .case-step-card { min-height: 0; text-align: left; padding: 12px; }
  .p-index .case-step-no { top: 10px; left: 12px; }
}
@media (max-width: 480px) {
  .p-index .cases-container { gap: 14px; }
  .p-index .cases-container { padding-inline: 12px; }
  .p-index .case-summary-inner { flex-direction: column; align-items: flex-start; gap: 8px; }
}

/* ==========================================================================
   10. HubSpot Form
   ========================================================================== */
.p-index .form-box {
  max-width: 760px !important;
  width: 100% !important;
  margin: 0 auto !important;
  padding: 48px !important;
  background: #fff;
  border-radius: 24px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.05);
  border: 1px solid #e2e8f0;
  box-sizing: border-box;
}
.p-index .hs-form,
.p-index .hs-form * {
  font-family: 'Inter', 'Noto Sans JP', sans-serif !important;
}
fieldset:has(.hs_cv_point),
fieldset:has(.hs_c_e______),
fieldset:has(.hs_lead_status),
fieldset:has(input[type="hidden"]),
.hs_recaptcha,
.p-index .hs-fieldtype-select[style*="display: none"] {
  display: none !important;
  margin: 0 !important;
  padding: 0 !important;
  height: 0 !important;
}
.hs-form fieldset:empty,
.p-index .hs-form div:empty { display: none !important; }
fieldset.form-columns-1,
fieldset.form-columns-2,
.p-index fieldset.form-columns-3 {
  max-width: 100% !important;
  width: 100% !important;
  display: flex !important;
  gap: 24px !important;
  border: none !important;
  padding: 0 !important;
  margin: 0 0 16px 0 !important;
}
.p-index .hs-form-field { width: 100% !important; margin-bottom: 0 !important; float: none !important; }
.p-index .form-columns-2 .hs-form-field { width: 50% !important; }
.p-index .form-columns-3 .hs-form-field { width: 33.33% !important; }
.p-index .hs-form label:not(.hs-form-booleancheckbox-display) {
  display: block !important;
  font-size: 14px !important;
  font-weight: 700 !important;
  margin-bottom: 6px !important;
  color: #1a1f26 !important;
}
.p-index .hs-form label .hs-form-required { color: red !important; }
.p-index .hs-input:not([type="checkbox"]):not([type="radio"]) {
  width: 100% !important;
  max-width: 100% !important;
  padding: 12px 16px !important;
  border: 1px solid #e2e8f0 !important;
  border-radius: 8px !important;
  font-size: 16px !important;
  background: #f8fafc !important;
  color: #1a1f26 !important;
  box-sizing: border-box !important;
  transition: all 0.2s !important;
  margin-bottom: 0 !important;
}
.p-index .hs-input:focus {
  outline: none !important;
  border-color: #ff5722 !important;
  background: #fff !important;
  box-shadow: 0 0 0 3px rgba(255, 87, 34, 0.1) !important;
}
.p-index textarea.hs-input { height: 100px !important; resize: vertical !important; }
.p-index .actions { text-align: center !important; margin-top: 24px !important; padding: 0 !important; }
.p-index .hs-button {
  width: 100% !important;
  padding: 16px !important;
  background-color: #ff5722 !important;
  color: #fff !important;
  font-weight: 700 !important;
  font-size: 16px !important;
  border: 1px solid #ff5722 !important;
  border-radius: 99px !important;
  cursor: pointer !important;
  transition: all 0.2s !important;
  box-shadow: 0 4px 12px rgba(255, 87, 34, 0.3) !important;
}
.p-index .hs-button:hover {
  background-color: #e64a19 !important;
  border-color: #e64a19 !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 6px 16px rgba(255, 87, 34, 0.4) !important;
}
.p-index ul.inputs-list { list-style: none !important; padding: 0 !important; margin: 0 !important; text-align: left !important; }
.p-index .hs-form-booleancheckbox { margin-bottom: 16px !important; }
.p-index .hs-form-booleancheckbox-display {
  display: flex !important;
  align-items: flex-start !important;
  gap: 8px !important;
  font-size: 14px !important;
  font-weight: normal !important;
  color: #4a5568 !important;
  line-height: 1.5 !important;
}
.p-index .hs-form-booleancheckbox-display input {
  margin-top: 3px !important;
  width: 16px !important;
  height: 16px !important;
  accent-color: #ff5722 !important;
  flex-shrink: 0 !important;
}
.p-index .hs-error-msgs {
  list-style: none !important;
  padding: 0 !important;
  margin: 4px 0 0 !important;
  color: #e53e3e !important;
  font-size: 12px !important;
  text-align: left !important;
}
@media (max-width: 600px) {
  .p-index .form-box { padding: 24px !important; }
  fieldset.form-columns-2,
  .p-index fieldset.form-columns-3 { flex-direction: column !important; gap: 16px !important; }
  .form-columns-2 .hs-form-field,
  .p-index .form-columns-3 .hs-form-field { width: 100% !important; }
}

/* ==========================================================================
   11. Scroll Reveal Animation
   ========================================================================== */
.p-index .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.p-index .reveal.is-visible {
  opacity: 1;
  transform: none;
}
.p-index .reveal-delay-1 { transition-delay: 0.1s; }
.p-index .reveal-delay-2 { transition-delay: 0.2s; }
.p-index .reveal-delay-3 { transition-delay: 0.3s; }
@media (prefers-reduced-motion: reduce) {
  .p-index .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}