:root {
  --bg: #f6f3ee;
  --bg-strong: #fffdf8;
  --surface: rgba(255, 253, 248, 0.78);
  --surface-strong: #fffdf8;
  --line: rgba(14, 42, 54, 0.12);
  --ink: #0e2a36;
  --muted: #50626c;
  --teal: #0f8c85;
  --teal-deep: #0b5a5e;
  --amber: #c78f2a;
  --shadow: 0 24px 60px rgba(15, 38, 48, 0.12);
  --radius-xl: 32px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --site-width: min(1180px, calc(100vw - 40px));
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Zen Kaku Gothic New", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 140, 133, 0.18), transparent 32%),
    radial-gradient(circle at 85% 10%, rgba(199, 143, 42, 0.15), transparent 28%),
    linear-gradient(180deg, #f4efe5 0%, #f8f5ef 42%, #f2f5f2 100%);
}

body::before,
body::after {
  content: "";
  position: fixed;
  inset: auto;
  z-index: 0;
  border-radius: 999px;
  filter: blur(16px);
  pointer-events: none;
}

body::before {
  top: 110px;
  right: 6vw;
  width: 240px;
  height: 240px;
  background: rgba(15, 140, 133, 0.11);
}

body::after {
  bottom: 120px;
  left: 4vw;
  width: 220px;
  height: 220px;
  background: rgba(199, 143, 42, 0.1);
}

.page-shell {
  position: relative;
  z-index: 1;
  width: var(--site-width);
  margin: 0 auto;
  padding: 20px 0 48px;
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 20px;
  margin-top: 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 253, 248, 0.7);
  backdrop-filter: blur(14px);
}

.brand {
  color: var(--ink);
  text-decoration: none;
  font-weight: 900;
  letter-spacing: 0.04em;
}

.site-nav {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.site-nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.95rem;
}

.hero,
.section,
.intro-strip,
.site-footer {
  animation: rise 0.85s ease both;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(280px, 0.8fr);
  gap: 28px;
  align-items: stretch;
  padding: 72px 0 48px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--teal-deep);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero h1,
.section-heading h2 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  line-height: 1.12;
}

.hero h1 {
  font-size: clamp(2.8rem, 8vw, 5.4rem);
  letter-spacing: -0.04em;
}

.lead {
  margin: 24px 0 0;
  max-width: 42rem;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.95;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 24px;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-2px);
}

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal) 0%, var(--teal-deep) 100%);
  box-shadow: 0 18px 34px rgba(11, 90, 94, 0.24);
}

.button-secondary {
  color: var(--ink);
  border: 1px solid rgba(14, 42, 54, 0.16);
  background: rgba(255, 253, 248, 0.75);
}

.hero-panel {
  display: grid;
  gap: 18px;
}

.panel-card,
.card,
.price-card,
.contact-card,
.intro-strip {
  border: 1px solid var(--line);
  background: var(--surface);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.panel-card {
  position: relative;
  padding: 28px;
  border-radius: var(--radius-xl);
  overflow: hidden;
}

.panel-card::after {
  content: "";
  position: absolute;
  inset: auto -30px -48px auto;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(15, 140, 133, 0.22) 0%, transparent 70%);
}

.panel-label {
  display: inline-flex;
  margin-bottom: 14px;
  color: var(--amber);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.panel-card p,
.card p,
.certificate-card p,
.contact-card p,
.intro-strip p,
.section-footnote {
  margin: 0;
  color: var(--muted);
  line-height: 1.9;
}

.intro-strip {
  padding: 28px 32px;
  border-radius: var(--radius-xl);
}

.section {
  padding: 26px 0 0;
}

.section-heading {
  margin-bottom: 24px;
}

.section-heading h2 {
  font-size: clamp(1.8rem, 3.4vw, 3rem);
}

.grid {
  display: grid;
  gap: 20px;
}

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

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

.card {
  padding: 28px;
  border-radius: var(--radius-lg);
}

.card h3,
.price-type,
.contact-label {
  margin: 0 0 12px;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--ink);
}

.accent-card {
  background:
    linear-gradient(180deg, rgba(11, 90, 94, 0.92) 0%, rgba(8, 60, 64, 0.94) 100%);
  border-color: transparent;
}

.accent-card h3,
.accent-card p {
  color: #eef8f7;
}

.service-card {
  min-height: 100%;
}

.benefits {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}

.benefit-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  padding: 24px;
  border-radius: var(--radius-md);
  background: rgba(255, 253, 248, 0.64);
  border: 1px solid var(--line);
}

.benefit-item span {
  flex: 0 0 auto;
  min-width: 42px;
  color: var(--amber);
  font-size: 1.3rem;
  font-weight: 900;
  line-height: 1;
}

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

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  padding: 28px 24px;
  border-radius: var(--radius-lg);
}

.price-card.featured {
  transform: translateY(-8px);
  background: linear-gradient(180deg, rgba(15, 140, 133, 0.96) 0%, rgba(11, 90, 94, 0.98) 100%);
  border-color: transparent;
}

.price-card.featured .price-type,
.price-card.featured .price-value,
.price-card.featured .price-note {
  color: #f4fbfb;
}

.price-card.sponsor {
  background: linear-gradient(180deg, rgba(199, 143, 42, 0.17) 0%, rgba(255, 253, 248, 0.9) 100%);
}

.price-value {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.8rem, 4vw, 2.4rem);
  line-height: 1.1;
}

.price-note {
  margin: 12px 0 0;
  color: var(--muted);
}

.section-footnote {
  margin-top: 16px;
}

.certificate-card {
  padding: 32px;
  border-radius: var(--radius-xl);
}

.certificate-card p + p {
  margin-top: 14px;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  padding: 0;
  margin: 0;
  list-style: none;
  counter-reset: step;
}

.steps li {
  position: relative;
  padding: 26px 20px 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background: rgba(255, 253, 248, 0.72);
  counter-increment: step;
  line-height: 1.75;
}

.steps li::before {
  content: counter(step, decimal-leading-zero);
  display: block;
  margin-bottom: 12px;
  color: var(--teal);
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.16em;
}

.contact-card {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 22px 28px;
  padding: 32px;
  border-radius: var(--radius-xl);
}

.contact-label {
  margin-bottom: 8px;
  color: var(--teal-deep);
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  margin-top: 44px;
  padding: 24px 8px 8px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-footer p {
  margin: 0;
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 1080px) {
  .grid-3,
  .pricing-grid,
  .benefits,
  .steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 820px) {
  .page-shell {
    width: min(100vw - 24px, 1180px);
    padding-top: 12px;
  }

  .site-header,
  .hero,
  .grid-2,
  .contact-card,
  .site-footer {
    grid-template-columns: 1fr;
  }

  .site-header,
  .hero,
  .contact-card,
  .site-footer {
    display: grid;
  }

  .site-header {
    border-radius: 28px;
    padding: 18px;
  }

  .site-nav {
    gap: 12px 16px;
  }

  .hero {
    padding: 56px 0 34px;
  }

  .price-card.featured {
    transform: none;
  }
}

@media (max-width: 620px) {
  .grid-3,
  .pricing-grid,
  .benefits,
  .steps,
  .contact-card {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: clamp(2.5rem, 14vw, 4rem);
  }

  .button {
    width: 100%;
  }

  .intro-strip,
  .card,
  .certificate-card,
  .contact-card,
  .price-card,
  .benefit-item,
  .steps li,
  .panel-card {
    padding: 22px;
  }

  .site-footer {
    padding-left: 0;
    padding-right: 0;
  }
}

@page {
  size: A4;
  margin: 12mm 10mm 14mm;
}

@media print {
  html,
  body {
    background: #fff;
  }

  body::before,
  body::after {
    display: none;
  }

  .panel-card::after {
    display: none;
  }

  .page-shell {
    width: auto;
    padding: 0;
  }

  .site-header {
    margin-top: 0;
    box-shadow: none;
  }

  .hero {
    padding-top: 18px;
    padding-bottom: 28px;
  }

  .hero h1 {
    font-size: 34pt;
  }

  .lead {
    font-size: 11pt;
    line-height: 1.8;
  }

  .button {
    min-height: 42px;
    color: var(--ink);
    border: 1px solid rgba(14, 42, 54, 0.16);
    background: #fff;
    box-shadow: none;
  }

  .panel-card,
  .card,
  .price-card,
  .contact-card,
  .intro-strip,
  .benefit-item,
  .steps li {
    box-shadow: none;
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .accent-card,
  .price-card.featured,
  .price-card.sponsor {
    border-color: rgba(14, 42, 54, 0.16);
    background: #fff;
  }

  .accent-card h3,
  .accent-card p,
  .price-card.featured .price-type,
  .price-card.featured .price-value,
  .price-card.featured .price-note {
    color: var(--ink);
  }

  .section,
  .pricing-grid,
  .benefits,
  .contact-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .site-footer {
    margin-top: 28px;
    padding-top: 18px;
  }
}