:root {
  --color-indigo: #2d2970;
  --color-indigo-dark: #221f58;
  --color-lavender: #7d79e8;
  --color-white: #ffffff;
  --color-ink: #202033;
  --color-muted: #6d6a85;
  --color-line: #e6e4f0;
  --color-surface: #f7f7fb;
  --content-width: 1120px;
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Noto Sans JP",
    "Hiragino Sans", "Yu Gothic", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-white);
  color: var(--color-ink);
  font-family: var(--font-sans);
  letter-spacing: 0;
  overflow-x: hidden;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  background: var(--color-indigo);
  color: var(--color-white);
  display: grid;
  gap: 20px;
  padding: 26px max(24px, calc((100vw - 1280px) / 2)) 24px;
  position: relative;
  z-index: 2;
}

.header-primary {
  align-items: center;
  display: flex;
  gap: 28px;
  justify-content: space-between;
}

.brand,
.site-nav,
.header-actions,
.header-cta,
.request-cta,
.primary-cta {
  align-items: center;
  display: flex;
}

.brand {
  flex: 0 0 auto;
  font-size: 26px;
  font-weight: 800;
  gap: 10px;
}

.brand-logo {
  display: block;
  height: 44px;
  object-fit: contain;
  width: 44px;
}

.site-nav {
  flex: 1;
  gap: 28px;
  justify-content: center;
}

.site-nav a {
  font-size: 14px;
  font-weight: 700;
}

.header-actions {
  flex: 0 0 auto;
  gap: 16px;
}

.header-cta,
.request-cta,
.primary-cta {
  background: var(--color-white);
  border-radius: 8px;
  color: var(--color-indigo);
  font-weight: 800;
  gap: 18px;
  justify-content: space-between;
}

.header-cta {
  min-width: 156px;
  padding: 15px 16px 15px 20px;
}

.request-cta {
  background: #e82d86;
  color: var(--color-white);
  min-width: 136px;
  padding: 15px 16px 15px 20px;
}

.header-cta span,
.request-cta span,
.primary-cta span {
  align-items: center;
  background: var(--color-indigo);
  border-radius: 50%;
  color: var(--color-white);
  display: inline-flex;
  height: 22px;
  justify-content: center;
  width: 22px;
}

.request-cta span {
  background: var(--color-white);
  color: #e82d86;
}

.solution-tabs {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  justify-content: center;
}

.solution-tabs a {
  border: 2px solid rgba(255, 255, 255, 0.78);
  border-radius: 999px;
  color: var(--color-white);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.05em;
  min-width: 168px;
  padding: 10px 22px;
  text-align: center;
}

.solution-tabs a.is-active {
  background: var(--color-white);
  color: var(--color-indigo);
}

.hero {
  align-items: center;
  background:
    linear-gradient(rgba(20, 19, 70, 0.15), rgba(20, 19, 70, 0.16)),
    url("../images/solutions-hero-bg.png") center / cover;
  color: var(--color-white);
  display: flex;
  min-height: 400px;
  overflow: hidden;
  position: relative;
}

.hero-inner {
  margin: 0 auto;
  max-width: var(--content-width);
  padding: 86px 24px;
  position: relative;
  text-align: center;
  z-index: 1;
}

.hero h1 {
  font-size: clamp(48px, 6vw, 82px);
  line-height: 1.28;
  margin: 0;
  text-shadow: 0 3px 18px rgba(0, 0, 0, 0.5);
}

.hero-kicker {
  color: #d8d6ff;
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.08em;
  margin: 0 0 18px;
  text-transform: uppercase;
}

.hero p {
  font-size: 15px;
  line-height: 2;
  margin: 0 0 34px;
  max-width: 860px;
}

.primary-cta {
  min-height: 56px;
  padding: 0 18px 0 24px;
  width: min(280px, 100%);
}

.hero-actions {
  align-items: center;
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
}

.secondary-cta {
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 8px;
  color: var(--color-white);
  font-weight: 800;
  padding: 17px 22px;
}

.hero-shape {
  background: var(--color-lavender);
  border-radius: 999px;
  opacity: 0.72;
  position: absolute;
}

.hero-shape-left {
  height: 78px;
  left: -180px;
  top: 380px;
  transform: rotate(12deg);
  width: 360px;
}

.hero-shape-right {
  height: 62px;
  right: -80px;
  top: 96px;
  transform: rotate(15deg);
  width: 300px;
}

.section {
  padding: 96px 24px;
}

#news {
  padding: 44px 24px 48px;
}

.section-light {
  background: var(--color-white);
}

.section-dark {
  background: var(--color-indigo);
  color: var(--color-white);
}

.section-inner {
  margin: 0 auto;
  max-width: var(--content-width);
  min-width: 0;
  width: 100%;
}

.eyebrow {
  color: inherit;
  font-size: clamp(52px, 7vw, 84px);
  font-weight: 800;
  line-height: 1;
  margin: 0 0 10px;
  overflow-wrap: anywhere;
}

#news .eyebrow {
  font-size: clamp(36px, 4.2vw, 54px);
}

#news h2 {
  margin-bottom: 14px;
}

.section-light .eyebrow,
.section-light h2 {
  color: var(--color-indigo);
}

.section h2 {
  font-size: 24px;
  margin: 0 0 36px;
}

.section-heading-pair {
  align-items: end;
  display: flex;
  gap: 24px;
  justify-content: space-between;
}

.small-link {
  color: var(--color-indigo);
  font-weight: 900;
  text-decoration: underline;
  text-underline-offset: 5px;
}

.section-copy {
  font-size: 17px;
  line-height: 2;
  margin: 0;
  max-width: 880px;
}

.summary-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.summary-card {
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 28px;
}

.summary-card h3 {
  color: var(--color-indigo);
  font-size: 20px;
  margin: 0 0 14px;
}

.summary-card p {
  color: var(--color-muted);
  line-height: 1.8;
  margin: 0;
}

.overview-list {
  display: grid;
  gap: 32px;
  margin-top: 48px;
}

.solution-row {
  align-items: center;
  background: rgba(255, 255, 255, 0.97);
  border-radius: 8px;
  color: var(--color-ink);
  display: grid;
  gap: 36px;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  overflow: hidden;
  padding: 42px;
}

.solution-row-reverse {
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1fr);
}

.solution-row-reverse .solution-copy {
  order: 2;
}

.solution-row-reverse .solution-visual {
  order: 1;
}

.solution-copy {
  min-width: 0;
}

.solution-label {
  color: var(--color-indigo);
  font-size: 13px;
  font-weight: 800;
  margin: 0 0 16px;
}

.solution-copy h3,
.offering-item h3,
.leader-profile h3 {
  font-size: clamp(24px, 2.6vw, 32px);
  line-height: 1.45;
  margin: 0 0 18px;
}

.solution-copy p,
.offering-item p,
.leader-profile p {
  line-height: 1.8;
  margin: 0 0 18px;
}

.solution-copy ul {
  display: grid;
  gap: 8px;
  line-height: 1.7;
  margin: 0 0 24px;
  padding-left: 1.2em;
}

.solution-copy a,
.offering-item a {
  color: var(--color-indigo);
  font-weight: 800;
  text-decoration: underline;
  text-underline-offset: 4px;
}

.solution-visual {
  align-items: center;
  align-self: stretch;
  background: var(--color-indigo);
  border-radius: 8px;
  color: var(--color-white);
  display: grid;
  min-height: 260px;
  overflow: hidden;
  position: relative;
  text-align: center;
}

.solution-visual img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0.52;
  position: absolute;
  width: 100%;
}

.solution-visual p {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.8;
  margin: 0;
  padding: 32px;
  position: relative;
  z-index: 1;
}

.solution-visual strong {
  font-size: clamp(24px, 3vw, 38px);
  line-height: 1.35;
}

.overview-lead {
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 900;
  line-height: 1.6;
  margin: 42px 0 0;
  max-width: 900px;
}

.compact-eyebrow {
  font-size: clamp(36px, 6vw, 52px);
}

.cta-band {
  background:
    linear-gradient(rgba(45, 41, 112, 0.88), rgba(45, 41, 112, 0.92)),
    url("../images/solution-thumb-placeholder.png") center / cover;
  color: var(--color-white);
  padding: 78px 24px;
}

.cta-inner {
  align-items: center;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  display: flex;
  gap: 36px;
  justify-content: space-between;
  padding: 42px 48px;
}

.cta-inner p {
  color: var(--color-white);
  font-weight: 800;
  line-height: 1.8;
  margin: -18px 0 0;
}

.cta-inner h2,
.cta-inner .eyebrow {
  color: var(--color-white);
}

.cta-inner .primary-cta {
  background: var(--color-white);
  color: var(--color-indigo);
  flex: 0 0 auto;
}

.cta-inner .primary-cta span {
  background: var(--color-indigo);
  color: var(--color-white);
}

.split-section {
  display: block;
}

.split-section > * {
  min-width: 0;
}

.leader-profile {
  background: var(--color-surface);
  border-radius: 8px;
  margin-top: 24px;
  padding: 24px 28px;
}

.split-section .eyebrow {
  font-size: clamp(40px, 5vw, 62px);
  overflow-wrap: normal;
}

.leader-image {
  aspect-ratio: 1.55 / 1;
  border-radius: 8px;
  display: block;
  float: right;
  margin: 0 0 18px 26px;
  object-fit: cover;
  width: min(34%, 380px);
}

.leader-profile p {
  font-size: 15px;
  line-height: 1.68;
  margin-bottom: 12px;
}

.leader-profile h3 {
  font-size: clamp(22px, 2.4vw, 28px);
  margin-bottom: 8px;
}

.leader-kana {
  color: var(--color-muted);
  font-weight: 700;
}

.leader-list {
  display: grid;
  gap: 3px;
  font-size: 15px;
  line-height: 1.65;
  margin: 0 0 12px;
  padding-left: 1.2em;
}

.leader-profile h4 {
  color: var(--color-indigo);
  font-size: 18px;
  margin: 22px 0 12px;
}

.product-links {
  clear: both;
  display: grid;
  gap: 8px;
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.product-links a {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  color: var(--color-ink);
  display: grid;
  gap: 6px;
  font-size: 13px;
  line-height: 1.55;
  padding: 12px;
}

.product-links span {
  color: var(--color-indigo);
  font-weight: 900;
}

.offering-list {
  display: grid;
  gap: 22px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-top: 36px;
}

.offering-item {
  align-items: stretch;
  background: var(--color-white);
  border-radius: 8px;
  color: var(--color-ink);
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  padding: 20px;
}

.offering-thumb {
  aspect-ratio: 16 / 10;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  width: 100%;
}

.offering-item h3 {
  color: var(--color-indigo);
}

.offering-subgrid {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr;
  margin: 18px 0;
}

.offering-subgrid div {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 14px;
}

.offering-subgrid strong {
  color: var(--color-indigo);
  display: block;
  font-size: 15px;
  margin: 0 0 10px;
}

.offering-subgrid p {
  font-size: 14px;
  margin: 0;
}

.news-list {
  border-top: 1px solid var(--color-line);
}

.news-item {
  align-items: baseline;
  border-bottom: 1px solid var(--color-line);
  display: grid;
  gap: 18px;
  grid-template-columns: 120px 60px 1fr;
  padding: 16px 0;
}

.news-item time {
  color: var(--color-indigo);
  font-weight: 500;
}

.news-item strong {
  color: #d32f6f;
  font-size: 13px;
}

.news-item p {
  line-height: 1.7;
  margin: 0;
}

.compact-news {
  margin-top: 10px;
}

.site-footer {
  align-items: flex-start;
  background: var(--color-indigo-dark);
  color: var(--color-white);
  display: flex;
  gap: 28px;
  justify-content: space-between;
  padding: 28px max(24px, calc((100vw - var(--content-width)) / 2));
}

.site-footer div {
  display: grid;
  gap: 10px;
}

.site-footer small {
  line-height: 1.7;
  max-width: 560px;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 16px 22px;
  justify-content: flex-end;
}

.training-hero {
  background:
    radial-gradient(circle at 18% 10%, rgba(125, 121, 232, 0.52), transparent 34%),
    linear-gradient(135deg, var(--color-indigo-dark), var(--color-indigo));
  color: var(--color-white);
  overflow: hidden;
  padding: 78px 24px 88px;
}

.training-hero-inner {
  align-items: center;
  display: grid;
  gap: 56px;
  grid-template-columns: minmax(0, 1fr) minmax(360px, 0.8fr);
  margin: 0 auto;
  max-width: var(--content-width);
}

.training-hero h1 {
  font-size: clamp(42px, 5.5vw, 72px);
  line-height: 1.28;
  margin: 0 0 24px;
}

.training-hero p {
  color: #ecebff;
  font-size: 16px;
  line-height: 2;
  margin: 0 0 34px;
  max-width: 760px;
}

.training-hero-visual {
  aspect-ratio: 1 / 1;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  min-height: 420px;
  overflow: hidden;
  position: relative;
}

.training-hero-visual img {
  height: 100%;
  inset: 0;
  object-fit: cover;
  opacity: 0.42;
  position: absolute;
  width: 100%;
}

.visual-panel {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 8px;
  color: var(--color-indigo);
  display: grid;
  gap: 8px;
  padding: 18px;
  position: absolute;
  width: min(82%, 360px);
}

.visual-panel strong {
  font-size: 18px;
}

.visual-panel span {
  color: var(--color-muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
}

.visual-panel-main {
  left: 28px;
  top: 34px;
}

.visual-panel-sub {
  bottom: 32px;
  right: 28px;
}

.training-lead {
  color: var(--color-muted);
  font-size: clamp(20px, 2.5vw, 30px);
  font-weight: 800;
  line-height: 1.75;
  margin: 0 0 36px;
  max-width: 920px;
}

.training-lead-light {
  color: #eeedff;
}

.pillar-grid,
.service-card-grid,
.flow-grid {
  display: grid;
  gap: 22px;
}

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

.pillar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  display: grid;
  gap: 18px;
  padding: 32px;
}

.pillar-card-accent {
  background: var(--color-indigo);
  border-color: var(--color-indigo);
  color: var(--color-white);
}

.pillar-label {
  color: var(--color-lavender);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.06em;
  margin: 0;
  text-transform: uppercase;
}

.pillar-card h3 {
  color: var(--color-indigo);
  font-size: clamp(25px, 3vw, 36px);
  line-height: 1.42;
  margin: 0;
}

.pillar-card-accent h3,
.pillar-card-accent .pillar-label {
  color: var(--color-white);
}

.pillar-card p,
.pillar-card li {
  line-height: 1.8;
}

.pillar-card p {
  margin: 0;
}

.pillar-card ul {
  display: grid;
  gap: 8px;
  margin: 0;
  padding-left: 1.2em;
}

.split-training-section {
  display: grid;
  gap: 42px;
  grid-template-columns: minmax(280px, 0.78fr) minmax(0, 1fr);
}

.problem-list {
  display: grid;
  gap: 16px;
}

.problem-list div {
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 22px;
}

.problem-list strong {
  display: block;
  font-size: 20px;
  margin-bottom: 10px;
}

.problem-list p {
  line-height: 1.8;
  margin: 0;
}

.training-heading {
  align-items: start;
  margin-bottom: 22px;
}

.service-card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
}

.training-service-card {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  display: grid;
  gap: 14px;
  padding: 24px;
}

.training-service-card span {
  color: var(--color-lavender);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.training-service-card h3 {
  color: var(--color-indigo);
  font-size: 21px;
  line-height: 1.5;
  margin: 0;
}

.training-service-card p {
  color: var(--color-muted);
  font-size: 14px;
  line-height: 1.8;
  margin: 0;
}

.training-process {
  display: grid;
  gap: 10px;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  margin-top: 36px;
}

.training-process div {
  align-items: center;
  background: var(--color-indigo);
  border-radius: 8px;
  color: var(--color-white);
  display: grid;
  font-weight: 900;
  gap: 10px;
  min-height: 110px;
  padding: 18px;
  text-align: center;
}

.training-process span {
  color: #c8c5ff;
  font-size: 13px;
}

.dark-link {
  color: var(--color-white);
}

.microsoft-grid {
  margin-bottom: 34px;
}

.dark-service-card {
  background: rgba(255, 255, 255, 0.96);
}

.microsoft-usecases {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

.microsoft-usecases div {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  min-height: 126px;
  padding: 18px;
}

.microsoft-usecases strong {
  display: block;
  font-size: 16px;
  margin-bottom: 8px;
}

.microsoft-usecases p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

.custom-section {
  background: var(--color-surface);
}

.custom-inner {
  align-items: start;
  display: grid;
  gap: 44px;
  grid-template-columns: minmax(300px, 0.92fr) minmax(0, 1fr);
}

.custom-copy p {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.9;
  margin: 0 0 24px;
}

.custom-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.custom-points span {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  border-radius: 999px;
  color: var(--color-indigo);
  font-size: 13px;
  font-weight: 900;
  padding: 10px 16px;
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 24px;
}

.flow-grid div {
  background: var(--color-surface);
  border: 1px solid var(--color-line);
  border-radius: 8px;
  padding: 24px;
}

.flow-grid span {
  color: var(--color-lavender);
  display: block;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 12px;
}

.flow-grid strong {
  color: var(--color-indigo);
  display: block;
  font-size: 20px;
  line-height: 1.45;
  margin-bottom: 12px;
}

.flow-grid p {
  color: var(--color-muted);
  line-height: 1.75;
  margin: 0;
}

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.faq-list details {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  padding: 20px 22px;
}

.faq-list summary {
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
}

.faq-list p {
  line-height: 1.8;
  margin: 16px 0 0;
}

.training-cta {
  background:
    linear-gradient(rgba(45, 41, 112, 0.9), rgba(45, 41, 112, 0.94)),
    url("../images/solutions-hero-bg.png") center / cover;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    gap: 22px;
    padding-top: 24px;
  }

  .header-primary,
  .header-actions {
    align-items: flex-start;
    flex-direction: column;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 18px 24px;
    justify-content: flex-start;
  }

  .header-cta {
    width: min(100%, 260px);
  }

  .hero {
    min-height: auto;
  }

  .hero-inner {
    padding: 92px 24px;
  }

  .hero-shape-left {
    left: -220px;
    top: 260px;
  }

  .hero-shape-right {
    right: -180px;
  }

  .summary-grid,
  .solution-row,
  .solution-row-reverse,
  .news-item,
  .split-section,
  .offering-item,
  .offering-subgrid,
  .training-hero-inner,
  .pillar-grid,
  .split-training-section,
  .service-card-grid,
  .training-process,
  .microsoft-usecases,
  .custom-inner,
  .flow-grid {
    grid-template-columns: 1fr;
  }

  .training-hero {
    padding: 58px 24px 64px;
  }

  .training-hero-visual {
    aspect-ratio: 4 / 3;
    min-height: 300px;
  }

  .solution-row {
    gap: 24px;
    padding: 26px;
  }

  .solution-row-reverse .solution-copy,
  .solution-row-reverse .solution-visual {
    order: initial;
  }

  .solution-visual {
    min-height: 220px;
  }

  .cta-inner,
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .cta-inner {
    padding: 30px;
  }

  .product-links {
    grid-template-columns: 1fr;
  }

  .leader-image {
    float: none;
    margin: 0 0 24px;
    width: 100%;
  }

  .footer-nav {
    justify-content: flex-start;
  }

  .news-item {
    gap: 8px;
  }

  .overview-list {
    gap: 24px;
  }

  .training-heading {
    align-items: start;
    flex-direction: column;
  }

  .microsoft-usecases div,
  .training-process div {
    min-height: auto;
  }
}

@media (max-width: 520px) {
  .hero h1 {
    font-size: 36px;
    line-height: 1.45;
  }

  .hero p {
    font-size: 14px;
  }

  .site-nav {
    gap: 14px 18px;
  }

  .eyebrow {
    font-size: 42px;
  }

  .split-section .eyebrow {
    font-size: 34px;
  }

  .training-hero h1 {
    font-size: 36px;
  }

  .visual-panel {
    left: 18px;
    right: 18px;
    width: auto;
  }

  .visual-panel-sub {
    bottom: 18px;
  }
}