:root {
  --color-bg: #ffffff;
  --color-bg-soft: #f5f5f3;
  --color-bg-deep: #17273f;
  --color-bg-deeper: #111d30;
  --color-text: #28313f;
  --color-heading: #162234;
  --color-muted: #647083;
  --color-line: #dde3ea;
  --color-primary: #1b3354;
  --color-primary-strong: #10233c;
  --color-accent: #cdbfb3;
  --color-card: rgba(255, 255, 255, 0.88);
  --shadow-soft: 0 18px 40px rgba(19, 34, 54, 0.08);
  --shadow-card: 0 14px 30px rgba(20, 32, 48, 0.08);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --container: min(1120px, calc(100% - 32px));
  --transition: 0.35s ease;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "YuGothic", "Meiryo", sans-serif;
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  letter-spacing: 0.02em;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

img {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 1000;
  padding: 12px 16px;
  background: var(--color-primary);
  color: #fff;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

.container {
  width: var(--container);
  margin: 0 auto;
}

.section {
  padding: 88px 0;
}

.section-soft {
  background: linear-gradient(180deg, #fbfbfa 0%, #f3f3f1 100%);
}

.section-heading {
  max-width: 760px;
  margin: 0 auto 40px;
  text-align: center;
}

.section-heading--left {
  margin: 0 0 28px;
  text-align: left;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  color: var(--color-primary);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: currentColor;
}

.eyebrow--light {
  color: rgba(255, 255, 255, 0.82);
}

h1,
h2,
h3 {
  margin: 0;
  color: var(--color-heading);
  line-height: 1.35;
}

h1 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: 0.03em;
}

h2 {
  font-size: clamp(1.6rem, 3vw, 2.45rem);
}

h3 {
  font-size: clamp(1rem, 2vw, 1.18rem);
}

p {
  margin: 0;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(23, 39, 63, 0.06);
  transition: box-shadow var(--transition), background var(--transition);
}

.site-header.is-scrolled {
  box-shadow: 0 10px 24px rgba(17, 29, 48, 0.08);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 82px;
}

.site-logo img {
  width: clamp(156px, 18vw, 180px);
}

.cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  min-height: 54px;
  padding: 0 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--color-primary) 0%, #29456c 100%);
  color: #fff;
  font-weight: 700;
  text-align: center;
  box-shadow: 0 18px 30px rgba(27, 51, 84, 0.24);
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.cta-button:hover,
.cta-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 22px 34px rgba(27, 51, 84, 0.28);
  filter: brightness(1.05);
}

.cta-button:focus-visible {
  outline: 2px solid rgba(27, 51, 84, 0.25);
  outline-offset: 3px;
}

.cta-button--sm {
  min-height: 46px;
  padding: 0 18px;
  font-size: 0.95rem;
}

.cta-button--light {
  background: #fff;
  color: var(--color-primary);
  box-shadow: none;
}

.hero {
  padding-top: 48px;
  overflow: clip;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.02fr) minmax(320px, 0.98fr);
  align-items: center;
  gap: 42px;
}

.hero-copy {
  position: relative;
}

.hero-copy::after {
  content: "";
  position: absolute;
  inset: -18px auto auto -16px;
  width: 118px;
  height: 118px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(205, 191, 179, 0.18) 0%, rgba(205, 191, 179, 0) 72%);
  z-index: -1;
}

.hero-lead {
  margin-top: 24px;
  font-size: 1.05rem;
  color: var(--color-text);
}

.hero-actions {
  margin-top: 30px;
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding: 14px 16px 14px 40px;
  border: 1px solid rgba(27, 51, 84, 0.08);
  border-radius: var(--radius-md);
  background: #fff;
  box-shadow: var(--shadow-card);
  font-size: 0.95rem;
}

.hero-points li::before {
  content: "✓";
  position: absolute;
  left: 16px;
  top: 14px;
  color: var(--color-primary);
  font-weight: 700;
}

.hero-visual {
  position: relative;
}

.hero-visual::before {
  content: "";
  position: absolute;
  inset: auto -28px -20px auto;
  width: 180px;
  height: 180px;
  border-radius: 26px;
  background: linear-gradient(135deg, rgba(205, 191, 179, 0.35), rgba(23, 39, 63, 0.06));
  z-index: -1;
}

.hero-visual img,
.split-image img,
.support-image img,
.final-cta-image img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-soft);
  object-fit: cover;
}

.trouble-wrap,
.split-layout,
.final-cta-inner {
  display: grid;
  align-items: center;
  gap: 36px;
}

.trouble-wrap {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.trouble-cards,
.case-grid,
.check-grid,
.merit-grid,
.icon-grid {
  display: grid;
  gap: 18px;
}

.trouble-cards,
.check-grid,
.merit-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.card,
.case-card,
.check-card,
.merit-card,
.icon-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  background: var(--color-card);
  border: 1px solid rgba(23, 39, 63, 0.08);
  box-shadow: var(--shadow-card);
}

.card {
  min-height: 126px;
  display: flex;
  align-items: center;
}

.icon-grid {
  margin-top: 26px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.icon-card {
  padding-top: 20px;
}

.icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 12px;
  border-radius: 14px;
  background: rgba(23, 39, 63, 0.08);
  font-size: 1.35rem;
}

.icon-card p,
.case-card p,
.check-card p,
.merit-card p,
.card p {
  margin-top: 8px;
  color: var(--color-muted);
}

.split-layout {
  grid-template-columns: minmax(300px, 0.9fr) minmax(0, 1.1fr);
}

.split-layout--image-left {
  grid-template-columns: minmax(0, 0.96fr) minmax(0, 1.04fr);
}

.case-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-card,
.merit-card,
.check-card {
  position: relative;
}

.case-card::before,
.merit-card::before,
.check-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 4px;
  border-radius: 999px 999px 0 0;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.benefit-list,
.flow-list,
.footer-links ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

.benefit-list li {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-radius: var(--radius-lg);
  background: #fff;
  border: 1px solid rgba(23, 39, 63, 0.08);
  box-shadow: var(--shadow-card);
}

.benefit-list span {
  color: var(--color-muted);
}

.cta-band {
  padding: 0;
}

.cta-band-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  padding: 38px clamp(22px, 4vw, 46px);
  border-radius: var(--radius-xl);
  background: linear-gradient(135deg, var(--color-bg-deep) 0%, #243858 100%);
  color: #fff;
  box-shadow: 0 24px 48px rgba(17, 29, 48, 0.22);
}

.cta-band-inner h2,
.cta-band-inner p {
  color: #fff;
}

.check-grid,
.merit-grid {
  align-items: stretch;
}

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

.flow-list li {
  display: grid;
  grid-template-columns: 52px 1fr;
  gap: 16px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(23, 39, 63, 0.08);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow-card);
}

.flow-list span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: rgba(27, 51, 84, 0.1);
  color: var(--color-primary);
  font-weight: 800;
}

.flow-list p {
  margin-top: 6px;
  color: var(--color-muted);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  border: 1px solid rgba(23, 39, 63, 0.08);
  border-radius: var(--radius-lg);
  background: #fff;
  box-shadow: var(--shadow-card);
  overflow: hidden;
}

.faq-item summary {
  position: relative;
  padding: 22px 60px 22px 24px;
  cursor: pointer;
  font-weight: 700;
  list-style: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after,
.faq-item summary::before {
  content: "";
  position: absolute;
  right: 24px;
  top: 50%;
  width: 14px;
  height: 2px;
  background: var(--color-primary);
  transform: translateY(-50%);
  transition: transform var(--transition), opacity var(--transition);
}

.faq-item summary::before {
  transform: translateY(-50%) rotate(90deg);
}

.faq-item[open] summary::before {
  opacity: 0;
}

.faq-item p {
  padding: 0 24px 22px;
  color: var(--color-muted);
}

.final-cta {
  background: linear-gradient(180deg, #fcfcfb 0%, #f3f1ee 100%);
}

.final-cta-inner {
  grid-template-columns: minmax(300px, 0.96fr) minmax(0, 1.04fr);
}

.final-cta-copy {
  padding: 8px 0;
}

.final-cta-copy p {
  margin-top: 20px;
}

.final-cta-copy .cta-button {
  margin-top: 28px;
}

.site-footer {
  color: rgba(255, 255, 255, 0.86);
  background: var(--color-bg-deeper);
}

.footer-inner {
  display: grid;
  grid-template-columns: minmax(220px, 0.95fr) minmax(0, 1.05fr);
  gap: 34px;
  padding: 54px 0 36px;
}

.footer-brand img {
  width: 190px;
}

.footer-brand p {
  margin-top: 20px;
  max-width: 380px;
  color: rgba(255, 255, 255, 0.72);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
}

.footer-links h2 {
  margin-bottom: 14px;
  color: #fff;
  font-size: 1rem;
}

.footer-links li + li {
  margin-top: 10px;
}

.footer-links a,
.footer-links address {
  color: rgba(255, 255, 255, 0.72);
  font-style: normal;
}

.footer-links a:hover,
.footer-links a:focus-visible {
  color: #fff;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-bottom .container {
  padding: 18px 0 28px;
}

.fade-in {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: transform, opacity;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .section {
    padding: 74px 0;
  }

  .hero-grid,
  .trouble-wrap,
  .split-layout,
  .split-layout--image-left,
  .final-cta-inner,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .hero-visual,
  .split-image,
  .support-image,
  .final-cta-image {
    order: -1;
  }

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

@media (max-width: 767px) {
  .section {
    padding: 58px 0;
  }

  .header-inner {
    min-height: 72px;
  }

  .hero {
    padding-top: 24px;
  }

  .hero-points,
  .trouble-cards,
  .check-grid,
  .merit-grid,
  .case-grid,
  .icon-grid,
  .footer-links {
    grid-template-columns: 1fr;
  }

  .cta-band-inner {
    flex-direction: column;
    align-items: flex-start;
  }

  .flow-list li {
    grid-template-columns: 44px 1fr;
    padding: 16px;
  }

  .flow-list span {
    width: 44px;
    height: 44px;
  }

  .faq-item summary {
    padding: 18px 52px 18px 18px;
  }

  .faq-item p {
    padding: 0 18px 18px;
  }

  .footer-inner {
    padding: 46px 0 30px;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .fade-in {
    opacity: 1;
    transform: none;
  }
}