:root {
  --blue: #1554b8;
  --blue-dark: #10397d;
  --blue-soft: #e8f0ff;
  --yellow: #f2bf23;
  --yellow-soft: #fff6d9;
  --bg: #f1f2f4;
  --text: #2b4162;
  --muted: #5e738f;
  --white: #ffffff;
  --line: rgba(21,84,184,.12);
  --shadow: 0 18px 44px rgba(16,57,125,.10);
  --shadow-lg: 0 24px 60px rgba(16,57,125,.14);
  --radius: 24px;
  --container: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--bg);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Noto Sans JP", Meiryo, sans-serif;
  line-height: 1.75;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255,255,255,.88);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(21,84,184,.08);
}
.header-inner {
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
}
.brand-mark {
  width: 42px;
  height: 42px;
  border-radius: 14px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--blue), #2c7be5);
  color: #fff;
  box-shadow: 0 10px 24px rgba(21,84,184,.22);
}
.brand-text { letter-spacing: .02em; color: var(--blue-dark); }
.header-nav {
  display: flex;
  align-items: center;
  gap: 10px 18px;
  flex-wrap: wrap;
  font-weight: 700;
  font-size: 14px;
}
.header-btn {
  padding: 10px 16px;
  border-radius: 999px;
  border: 1px solid var(--line);
}
.header-btn.ghost {
  background: #fff;
  color: var(--blue);
}
.header-btn.primary {
  background: linear-gradient(135deg, var(--yellow), #f6d95f);
  color: #173b74;
  border-color: rgba(242,191,35,.5);
}

.hero {
  padding: 48px 20px 34px;
}
.hero-inner {
  max-width: var(--container);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 44px;
  align-items: center;
}
.section-label {
  margin: 0 0 10px;
  color: var(--blue);
  font-weight: 900;
  letter-spacing: .12em;
  font-size: 12px;
}
.section-label.light { color: #dbe7ff; }
h1 {
  margin: 0;
  color: var(--blue-dark);
  font-size: clamp(38px, 6vw, 68px);
  line-height: 1.08;
  letter-spacing: -.04em;
}
h1 span {
  display: inline-block;
  background: linear-gradient(transparent 62%, rgba(242,191,35,.50) 0);
}
.hero-lead {
  margin: 20px 0 16px;
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 700;
  color: #36557e;
}
.hero-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 18px;
}
.hero-badges span {
  padding: 8px 14px;
  border-radius: 999px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 800;
  font-size: 13px;
}
.card {
  background: #fff;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.hero-message {
  padding: 22px;
}
.hero-message strong { color: var(--blue-dark); font-size: 18px; }
.hero-message p { margin: 8px 0 0; }
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}
.hero-note {
  margin-top: 12px;
  font-size: 13px;
  color: var(--muted);
  font-weight: 700;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 900;
  transition: transform .18s ease, box-shadow .18s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn.primary {
  background: linear-gradient(135deg, var(--yellow), #f6d95f);
  color: #173b74;
  box-shadow: 0 12px 26px rgba(242,191,35,.30);
}
.btn.secondary {
  background: #fff;
  color: var(--blue);
  border: 1px solid var(--line);
}
.btn.white {
  background: #fff;
  color: var(--blue);
}
.btn.yellow {
  background: var(--yellow);
  color: #173b74;
}
.btn.outline-white {
  color: #fff;
  border: 1px solid rgba(255,255,255,.35);
}

.hero-photo-wrap {
  position: relative;
  min-height: 560px;
}
.hero-photo {
  width: 100%;
  height: 560px;
  object-fit: cover;
  border-radius: 42px;
  box-shadow: var(--shadow-lg);
}
.floating-card {
  position: absolute;
  background: rgba(255,255,255,.96);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 12px 14px;
  min-width: 180px;
  border: 1px solid rgba(21,84,184,.10);
}
.floating-card span {
  display: block;
  color: var(--blue);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: .08em;
}
.floating-card strong {
  display: block;
  margin-top: 4px;
  color: var(--blue-dark);
  font-size: 15px;
}
.fc-1 { left: -14px; top: 30px; }
.fc-2 { right: -14px; top: 180px; }
.fc-3 { left: 28px; bottom: 22px; }

.quick-links {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 20px 30px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}
.quick-card {
  background: #fff;
  border-radius: 24px;
  padding: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.quick-card.highlight {
  background: linear-gradient(135deg, var(--blue), #2f73d0);
  color: #fff;
}
.quick-no {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(21,84,184,.08);
  color: var(--blue);
  font-weight: 900;
}
.quick-card.highlight .quick-no {
  background: rgba(255,255,255,.16);
  color: #fff;
}
.quick-card strong {
  display: block;
  margin: 12px 0 6px;
  font-size: 18px;
  line-height: 1.45;
}
.quick-card small { color: var(--muted); font-weight: 700; }
.quick-card.highlight small { color: rgba(255,255,255,.86); }

.section {
  max-width: var(--container);
  margin: 0 auto;
  padding: 72px 20px;
}
.section-alt {
  background: linear-gradient(180deg, rgba(255,255,255,.55), rgba(255,255,255,.22));
  border-radius: 42px;
}
.section-heading.center {
  text-align: center;
  margin-bottom: 36px;
}
.section-heading.narrow { max-width: 760px; margin-left: auto; margin-right: auto; }
h2 {
  margin: 0;
  color: var(--blue);
  font-size: clamp(29px, 4vw, 46px);
  line-height: 1.25;
  letter-spacing: -.03em;
}
.section-text {
  max-width: 760px;
  margin: 12px auto 0;
  color: var(--muted);
}
h3 {
  margin: 0 0 10px;
  color: var(--blue-dark);
  font-size: 24px;
  line-height: 1.4;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.plan-card {
  overflow: hidden;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.plan-card.accent { border-color: rgba(242,191,35,.45); }
.plan-image {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.plan-body { padding: 18px 18px 20px; }
.plan-tag {
  margin: 0 0 6px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .12em;
}
.plan-price {
  margin: 0 0 8px;
  color: var(--blue);
  font-size: 34px;
  line-height: 1.2;
  font-weight: 900;
}
.plan-price.small { font-size: 22px; }
.cta-row.center { text-align: center; margin-top: 28px; }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  align-items: center;
}
.about-text { padding: 28px; }
.check-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-top: 8px;
  font-weight: 700;
}
.check-list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--blue);
  font-weight: 900;
}
.about-image-stack {
  position: relative;
  min-height: 520px;
}
.stack-main {
  width: 100%;
  height: 430px;
  object-fit: cover;
  border-radius: 32px;
  box-shadow: var(--shadow-lg);
}
.stack-sub {
  position: absolute;
  right: -6px;
  bottom: 0;
  width: 210px;
  height: 210px;
  object-fit: cover;
  border-radius: 26px;
  border: 6px solid #fff;
  box-shadow: var(--shadow);
}

.problem-layout {
  display: grid;
  grid-template-columns: 1fr .95fr 1fr;
  gap: 18px;
  align-items: center;
}
.problem-list {
  display: grid;
  gap: 16px;
}
.problem-card {
  padding: 22px;
  background: #fff;
  border-radius: 22px;
  box-shadow: var(--shadow);
  font-weight: 800;
  border: 1px solid var(--line);
}
.problem-center {
  display: flex;
  justify-content: center;
}
.problem-image {
  width: 100%;
  max-width: 340px;
  height: 430px;
  object-fit: cover;
  border-radius: 36px;
  box-shadow: var(--shadow-lg);
}

.wide-cta-band {
  margin: 24px 0 18px;
  background: linear-gradient(135deg, var(--yellow), #e2b11c 68%, #f3cf52);
  color: #173b74;
}
.wide-cta-inner {
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  padding: 34px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.wide-cta-inner h2 {
  color: #173b74;
  font-size: clamp(28px, 3.4vw, 42px);
}
.wide-cta-inner p:not(.section-label) { margin: 8px 0 0; }
.wide-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.reason-list { display: grid; gap: 22px; }
.reason-item {
  display: grid;
  grid-template-columns: 1.06fr .94fr;
  gap: 22px;
  align-items: center;
}
.reason-item.reverse { grid-template-columns: .94fr 1.06fr; }
.reason-item.reverse .reason-copy { order: 2; }
.reason-item.reverse .reason-image-wrap { order: 1; }
.reason-copy { padding: 28px; }
.reason-no {
  margin: 0 0 10px;
  color: var(--yellow);
  font-size: 34px;
  line-height: 1;
  font-weight: 900;
}
.reason-image {
  width: 100%;
  height: 300px;
  object-fit: cover;
  border-radius: 28px;
  box-shadow: var(--shadow-lg);
}

.compare-table-wrap {
  overflow-x: auto;
  background: #fff;
  border-radius: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 720px;
}
.compare-table th,
.compare-table td {
  padding: 18px 16px;
  text-align: center;
  border-bottom: 1px solid rgba(21,84,184,.08);
}
.compare-table thead th {
  background: var(--blue);
  color: #fff;
  font-size: 15px;
}
.compare-table tbody th {
  text-align: left;
  color: var(--blue-dark);
  background: #f8fbff;
}
.compare-table tbody td:last-child {
  color: var(--blue);
  font-weight: 900;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.feature-card {
  padding: 22px;
  background: #fff;
  border-radius: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.feature-card span {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: var(--blue-soft);
  color: var(--blue);
  font-weight: 900;
  margin-bottom: 14px;
}
.feature-card h3 { font-size: 20px; margin-bottom: 6px; }
.feature-card p { margin: 0; }

.flow-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}
.flow-card {
  padding: 24px;
  background: #fff;
  border-radius: 24px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.flow-no {
  display: inline-grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--yellow-soft);
  color: #8e6d0f;
  font-weight: 900;
  margin-bottom: 12px;
}
.flow-card h3 { font-size: 20px; margin-bottom: 6px; }
.flow-card p { margin: 0; }

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}
.voice-card { padding: 20px; }
.voice-avatar {
  width: 120px;
  height: 120px;
  object-fit: cover;
  border-radius: 50%;
  margin-bottom: 16px;
}
.voice-avatar.wide {
  width: 100%;
  height: 170px;
  border-radius: 20px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.works-card {
  overflow: hidden;
  background: #fff;
  border-radius: 26px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
}
.works-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
}
.works-body { padding: 22px; }
.works-link {
  display: block;
  margin-top: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  word-break: break-all;
}

.faq-list {
  max-width: 860px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
details {
  background: #fff;
  border-radius: 22px;
  box-shadow: var(--shadow);
  border: 1px solid var(--line);
  padding: 20px 22px;
}
summary {
  cursor: pointer;
  color: var(--blue-dark);
  font-weight: 900;
  font-size: 18px;
}
details p { margin: 10px 0 0; }

.final-cta {
  margin-top: 24px;
  background: linear-gradient(135deg, var(--blue-dark), var(--blue));
  color: #fff;
}
.final-cta-inner {
  max-width: calc(var(--container) + 40px);
  margin: 0 auto;
  padding: 44px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.final-cta h2, .final-cta p { color: #fff; }
.final-cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.site-footer {
  padding: 34px 20px 54px;
  text-align: center;
  color: var(--muted);
}
.footer-inner { max-width: 900px; margin: 0 auto; }
.footer-title { margin: 0 0 6px; color: var(--blue-dark); font-weight: 800; }
.footer-note { font-size: 12px; }

@media (max-width: 1080px) {
  .hero-inner,
  .about-grid,
  .reason-item,
  .reason-item.reverse,
  .problem-layout,
  .wide-cta-inner,
  .final-cta-inner {
    grid-template-columns: 1fr;
    flex-direction: column;
  }
  .price-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-grid { grid-template-columns: 1fr; }
  .quick-links { grid-template-columns: repeat(2, 1fr); }
  .header-nav a:not(.header-btn) { display: none; }
  .hero-photo-wrap { min-height: auto; }
  .hero-photo { height: 500px; }
  .reason-item.reverse .reason-copy,
  .reason-item.reverse .reason-image-wrap { order: initial; }
}

@media (max-width: 700px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
  }
  .header-nav { width: 100%; gap: 8px; }
  .header-btn { flex: 1 1 auto; text-align: center; }
  .hero { padding-top: 30px; }
  .hero-actions,
  .wide-cta-actions,
  .final-cta-actions {
    flex-direction: column;
    align-items: stretch;
  }
  .btn { width: 100%; }
  .quick-links,
  .price-grid,
  .feature-grid,
  .flow-grid,
  .works-grid {
    grid-template-columns: 1fr;
  }
  .hero-photo { height: 420px; border-radius: 28px; }
  .floating-card {
    position: static;
    margin-top: 10px;
  }
  .stack-main { height: 320px; }
  .stack-sub {
    position: static;
    width: 100%;
    height: 180px;
    margin-top: 14px;
    border-width: 0;
  }
  .about-image-stack { min-height: auto; }
  .problem-image { max-width: 100%; height: 340px; }
  .section { padding-top: 56px; padding-bottom: 56px; }
}