/* ===================================================
   case.css — SOLUTIONインデックスページ
   =================================================== */

body { background-color: #eeeeee; color: #2c3545; }

/* ===== PAGE HERO ===== */
.sol-hero {
  padding: 160px 0 80px;
  background: #eeeeee;
  background-image: radial-gradient(circle, rgba(0,0,0,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
}
.sol-hero-en {
  font-family: 'Poppins', sans-serif;
  font-size: 80px; font-weight: 700;
  color: #1a1a2e; letter-spacing: 0.04em; line-height: 1;
}

/* ===== INDEX BODY ===== */
.sol-index {
  background: #fff;
  padding: 80px 0 120px;
}
.sol-index-header {
  margin-bottom: 56px;
}
.sol-index-label {
  font-family: 'Poppins', sans-serif;
  font-size: 11px; font-weight: 600;
  letter-spacing: 0.18em; color: #1c5bd9;
  text-transform: uppercase; margin-bottom: 10px;
}
.sol-index-title {
  font-size: 28px; font-weight: 700;
  color: #1a1a2e; letter-spacing: 0.04em;
}
.sol-index-desc {
  max-width: 640px;
  margin-top: 14px;
  font-size: 13px;
  line-height: 1.9;
  color: #667085;
}

/* ===== INDUSTRY GRID ===== */
.sol-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  padding: 0;
}

.sol-card {
  display: flex; flex-direction: column;
  overflow: hidden; cursor: pointer;
}
.sol-card:hover .sol-card-img { transform: scale(1.03); }
.sol-card:hover .sol-card-footer .material-icons { transform: translateX(4px); }

.sol-card-img {
  height: 220px; position: relative;
  transition: transform 0.4s ease;
  overflow: hidden;
  display: flex; align-items: flex-end; padding: 20px;
}
.sol-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,0.35) 0%, transparent 60%);
}
.sol-card-en-tag {
  position: relative; z-index: 1;
  font-family: 'Poppins', sans-serif;
  font-size: 10px; font-weight: 700;
  letter-spacing: 0.15em; color: #1c5bd9;
}

/* 業界別グラデーション */
.sol-img--backoffice    { background: linear-gradient(135deg, #1a1a2e 0%, #2d4278 100%); }
.sol-img--construction  { background: linear-gradient(135deg, #1c3528 0%, #2e5c44 100%); }
.sol-img--manufacturing { background: linear-gradient(135deg, #1a2a5a 0%, #1c5bd9 100%); }
.sol-img--hr            { background: linear-gradient(135deg, #2c1a5a 0%, #5c3b9a 100%); }
.sol-img--transport     { background: linear-gradient(135deg, #1a2e40 0%, #2a5c88 100%); }
.sol-img--medical       { background: linear-gradient(135deg, #1a3838 0%, #2a6a6a 100%); }
.sol-img--realestate    { background: linear-gradient(135deg, #3a1a1a 0%, #7a3030 100%); }

/* グラデーションにドット模様を重ねてリッチに */
.sol-card-img::before {
  content: '';
  position: absolute; inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.08) 1px, transparent 1px);
  background-size: 20px 20px;
  pointer-events: none; z-index: 0;
}

.sol-card-footer {
  display: flex; align-items: center; justify-content: space-between;
  background: #fff; padding: 18px 20px;
  border-bottom: 1px solid #e8ecf2;
  transition: background 0.2s;
}
.sol-card:hover .sol-card-footer { background: #f4f6fb; }
.sol-card-name {
  font-size: 15px; font-weight: 700;
  color: #1a1a2e; letter-spacing: 0.04em;
}
.sol-card-footer .material-icons {
  font-size: 20px; color: #1a1a2e;
  transition: transform 0.2s;
}

/* ===== INDUSTRY SOLUTIONS ===== */
.sol-solution-section {
  margin-top: 84px;
  padding-top: 72px;
  border-top: 1px solid #e4e8f0;
  scroll-margin-top: 110px;
}

.sol-index-header--solutions {
  margin-bottom: 28px;
}

.sol-industry-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 54px;
}

.sol-industry-nav-item {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid #d7deeb;
  border-radius: 100px;
  background: #fff;
  color: #1a1a2e;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.03em;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.2s;
}

.sol-industry-nav-item:hover {
  transform: translateY(-1px);
  background: #1a1a2e;
  color: #fff;
  border-color: #1a1a2e;
}

.sol-industry-nav-item .material-icons {
  font-size: 18px;
}

.sol-industry-groups {
  display: flex;
  flex-direction: column;
  gap: 56px;
}

.sol-industry-group {
  scroll-margin-top: 110px;
}

.sol-industry-heading {
  display: grid;
  grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
  gap: 28px;
  align-items: stretch;
  margin-bottom: 22px;
  padding: 0;
  border: 1px solid #e4e8f0;
  background: #f8f9fb;
  overflow: hidden;
}

.sol-industry-heading-image {
  min-height: 220px;
  margin: 0;
  overflow: hidden;
  background: #eef2f8;
}

.sol-industry-heading-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
}

.sol-industry-heading > div {
  padding: 32px 30px 30px 0;
}

.sol-industry-en {
  font-family: 'Poppins', sans-serif;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: #1c5bd9;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.sol-industry-heading h3 {
  font-size: 28px;
  line-height: 1.35;
  font-weight: 800;
  color: #1a1a2e;
  margin-bottom: 10px;
}

.sol-industry-heading p:not(.sol-industry-en) {
  max-width: 780px;
  font-size: 13px;
  line-height: 1.9;
  color: #566076;
}

.sol-solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.sol-solution-card {
  position: relative;
  min-height: 292px;
  padding: 26px;
  background: #f8f9fb;
  border: 1px solid #e4e8f0;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  color: inherit;
  text-decoration: none;
  transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}

.sol-solution-card:hover {
  transform: translateY(-2px);
  border-color: #c9d4e7;
  box-shadow: 0 18px 42px rgba(26, 26, 46, 0.08);
}

.sol-solution-icon {
  width: 54px;
  height: 54px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 22px;
  background: #1a1a2e;
  color: #fff;
}

.sol-solution-icon .material-icons {
  font-size: 28px;
}

.sol-solution-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 16px;
}

.sol-solution-industry {
  display: inline-flex;
  padding: 5px 12px;
  border-radius: 100px;
  background: #eef4ff;
  color: #1c5bd9;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.sol-solution-arrow {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  width: 42px;
  height: 42px;
  border: 1px solid #d6deeb;
  border-radius: 50%;
  background: #fff;
  color: #1a1a2e;
  transition: transform 0.2s, background 0.2s, color 0.2s, border-color 0.2s;
}

.sol-solution-arrow .material-icons {
  font-size: 20px;
}

.sol-solution-card:hover .sol-solution-arrow {
  transform: translateX(4px);
  background: #1a1a2e;
  color: #fff;
  border-color: #1a1a2e;
}

.sol-solution-card h3,
.sol-solution-card h4 {
  font-size: 18px;
  line-height: 1.45;
  color: #1a1a2e;
  margin-bottom: 14px;
}

.sol-solution-card p {
  font-size: 12px;
  line-height: 1.85;
  color: #566076;
  flex: 1;
}

.sol-solution-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
}

.sol-solution-tags li {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 5px 10px;
  border: 1px solid #dce4f2;
  border-radius: 100px;
  background: #fff;
  color: #566076;
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
}

/* ===== SOLUTION DETAIL ===== */
.sol-detail-page {
  background: #fff;
}

.sol-detail-hero {
  padding: 142px 0 84px;
  background: #f2f4f8;
  background-image:
    linear-gradient(120deg, rgba(28, 91, 217, 0.08), transparent 42%),
    radial-gradient(circle, rgba(26, 26, 46, 0.06) 1px, transparent 1px);
  background-size: auto, 28px 28px;
}

.sol-detail-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  align-items: start;
  margin-top: 34px;
}

.sol-detail-industry {
  display: inline-flex;
  min-height: 32px;
  align-items: center;
  padding: 6px 14px;
  border: 1px solid #cbd6e8;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.72);
  color: #1c5bd9;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin-bottom: 18px;
}

.sol-detail-title {
  max-width: 860px;
  font-size: clamp(34px, 4.5vw, 64px);
  line-height: 1.18;
  font-weight: 900;
  color: #111827;
  letter-spacing: 0.02em;
}

.sol-detail-lead {
  max-width: 760px;
  margin-top: 24px;
  font-size: 17px;
  line-height: 2;
  color: #4b5565;
}

.sol-detail-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 28px 0 0;
  padding: 0;
}

.sol-detail-tags li {
  display: inline-flex;
  padding: 7px 13px;
  border-radius: 100px;
  background: #fff;
  color: #1a1a2e;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 8px 24px rgba(26, 26, 46, 0.06);
}

.sol-detail-summary {
  padding: 30px;
  background: #fff;
  border: 1px solid #dfe6f1;
  box-shadow: 0 20px 54px rgba(26, 26, 46, 0.08);
}

.sol-detail-summary-image {
  width: calc(100% + 60px);
  max-width: none;
  height: auto;
  aspect-ratio: 16 / 10;
  display: block;
  object-fit: cover;
  margin: -30px -30px 26px;
}

.sol-detail-summary-label,
.sol-detail-block-label,
.sol-detail-side-label {
  font-family: 'Poppins', sans-serif;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.16em;
  color: #1c5bd9;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.sol-detail-summary h2 {
  font-size: 21px;
  line-height: 1.55;
  color: #1a1a2e;
  margin-bottom: 14px;
}

.sol-detail-summary p {
  font-size: 13px;
  line-height: 1.85;
  color: #566076;
}

.sol-detail-summary a {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  margin-top: 24px;
  background: #1a1a2e;
  color: #fff;
  font-size: 14px;
  font-weight: 800;
  text-decoration: none;
}

.sol-detail-body {
  padding: 82px 0 90px;
}

.sol-detail-body-grid {
  display: grid;
  grid-template-columns: minmax(0, 960px);
  justify-content: center;
  gap: 0;
  align-items: start;
}

.sol-detail-content {
  display: flex;
  flex-direction: column;
  gap: 58px;
}

.sol-detail-block {
  padding-bottom: 58px;
  border-bottom: 1px solid #e4e8f0;
}

.sol-detail-block:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.sol-detail-block h2 {
  font-size: 32px;
  line-height: 1.4;
  color: #1a1a2e;
  margin-bottom: 28px;
}

.sol-detail-list {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 0;
}

.sol-detail-list li {
  position: relative;
  padding: 22px 24px 22px 52px;
  background: #f8f9fb;
  color: #3d4658;
  font-size: 17px;
  line-height: 1.9;
}

.sol-detail-list li::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 35px;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #1c5bd9;
}

.sol-detail-step-list {
  display: grid;
  gap: 16px;
}

.sol-detail-step {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 18px;
  align-items: start;
  padding: 28px;
  border: 1px solid #e4e8f0;
  background: #fff;
}

.sol-detail-step span {
  font-family: 'Poppins', sans-serif;
  font-size: 24px;
  font-weight: 800;
  color: #1c5bd9;
}

.sol-detail-step p {
  font-size: 17px;
  line-height: 1.95;
  color: #3d4658;
}

.sol-detail-result-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.sol-detail-result {
  min-height: 170px;
  padding: 28px;
  background: #f8f9fb;
  border: 1px solid #e4e8f0;
}

.sol-detail-result .material-icons {
  color: #1c5bd9;
  margin-bottom: 18px;
}

.sol-detail-result p {
  font-size: 16px;
  line-height: 1.9;
  color: #3d4658;
}

.sol-detail-side {
  position: sticky;
  top: 112px;
}

.sol-detail-side-card {
  padding: 26px;
  border: 1px solid #dfe6f1;
  background: #f8f9fb;
}

.sol-detail-side-card h2 {
  font-size: 22px;
  color: #1a1a2e;
  margin-bottom: 12px;
}

.sol-detail-side-card p {
  font-size: 13px;
  line-height: 1.85;
  color: #566076;
}

.sol-detail-side-card a {
  display: inline-flex;
  margin-top: 22px;
  color: #1c5bd9;
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.sol-detail-related {
  padding: 76px 0 110px;
  background: #f2f4f8;
}

@media (max-width: 1024px) {
  .sol-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sol-solution-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .sol-detail-hero-grid,
  .sol-detail-body-grid {
    grid-template-columns: 1fr;
  }

  .sol-detail-summary,
  .sol-detail-side {
    position: static;
  }

  .sol-detail-result-grid {
    grid-template-columns: 1fr;
  }

  .sol-industry-heading {
    grid-template-columns: minmax(180px, 260px) minmax(0, 1fr);
  }

  .sol-industry-heading > div {
    padding: 26px 24px 24px 0;
  }
}

@media (max-width: 768px) {
  .sol-hero {
    padding: 112px 0 42px;
  }

  .sol-hero-en {
    font-size: clamp(42px, 13vw, 58px);
  }

  .sol-index {
    padding: 44px 0 76px;
  }

  .sol-index-header {
    margin-bottom: 28px;
  }

  .sol-index-title {
    font-size: 24px;
    line-height: 1.35;
  }

  .sol-index-desc {
    font-size: 12px;
    line-height: 1.8;
  }

  .sol-grid {
    gap: 14px;
  }

  .sol-card {
    border-radius: 12px;
  }

  .sol-card-img {
    height: auto;
    min-height: 126px;
    aspect-ratio: 4 / 3;
    padding: 14px;
  }

  .sol-card-footer {
    padding: 13px 14px;
  }

  .sol-card-name {
    font-size: 13px;
    letter-spacing: 0;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  .sol-solution-section {
    margin-top: 54px;
    padding-top: 44px;
    scroll-margin-top: 86px;
  }

  .sol-industry-nav {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
    margin-bottom: 38px;
  }

  .sol-industry-nav-item {
    justify-content: space-between;
    border-radius: 10px;
    padding: 10px 12px;
    font-size: 11px;
  }

  .sol-industry-groups {
    gap: 42px;
  }

  .sol-industry-group {
    scroll-margin-top: 86px;
  }

  .sol-industry-heading {
    grid-template-columns: 1fr;
    gap: 0;
    padding: 0;
    border-radius: 12px;
  }

  .sol-industry-heading-image {
    min-height: 0;
    aspect-ratio: 16 / 9;
  }

  .sol-industry-heading > div {
    padding: 22px 18px;
  }

  .sol-industry-heading h3 {
    font-size: 22px;
  }

  .sol-industry-heading p:not(.sol-industry-en) {
    font-size: 12px;
    line-height: 1.8;
  }

  .sol-solution-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .sol-solution-card {
    min-height: 0;
    padding: 22px 18px;
    border-radius: 12px;
  }

  .sol-detail-hero {
    padding: 112px 0 52px;
  }

  .sol-detail-hero-grid {
    gap: 28px;
    margin-top: 24px;
  }

  .sol-detail-title {
    font-size: clamp(30px, 10vw, 42px);
    line-height: 1.25;
  }

  .sol-detail-lead {
    font-size: 15px;
    line-height: 1.9;
  }

  .sol-detail-summary {
    padding: 24px 20px;
    border-radius: 12px;
  }

  .sol-detail-summary-image {
    width: calc(100% + 40px);
    margin: -24px -20px 22px;
    border-radius: 12px 12px 0 0;
  }

  .sol-detail-body {
    padding: 54px 0 66px;
  }

  .sol-detail-content {
    gap: 42px;
  }

  .sol-detail-block {
    padding-bottom: 42px;
  }

  .sol-detail-block h2 {
    font-size: 25px;
  }

  .sol-detail-list li {
    padding: 20px 18px 20px 44px;
    font-size: 15px;
    line-height: 1.85;
  }

  .sol-detail-list li::before {
    left: 20px;
    top: 31px;
  }

  .sol-detail-list li,
  .sol-detail-step,
  .sol-detail-result,
  .sol-detail-side-card {
    border-radius: 12px;
  }

  .sol-detail-step {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 20px;
  }

  .sol-detail-step p,
  .sol-detail-result p {
    font-size: 15px;
    line-height: 1.9;
  }

  .sol-detail-related {
    padding: 54px 0 78px;
  }

  .sol-solution-icon {
    width: 46px;
    height: 46px;
    margin-bottom: 18px;
  }

  .sol-solution-card h3 {
    font-size: 17px;
    line-height: 1.5;
  }

  .sol-solution-card h4 {
    font-size: 17px;
    line-height: 1.5;
  }

  .sol-solution-card-head {
    align-items: flex-start;
  }
}

@media (max-width: 420px) {
  .sol-grid {
    grid-template-columns: 1fr;
  }

  .sol-card-img {
    aspect-ratio: 16 / 8;
    min-height: 118px;
  }
}