:root {
  --ink: #0c111d;
  --muted: #5a6475;
  --line: #e6e8ec;
  --soft: #f6f7f9;
  --navy: #10182c;
  --navy-2: #17213b;
  --gold: #c7a15a;
  --gold-soft: #f4ead6;
  --white: #ffffff;
  --shadow: 0 24px 70px rgba(16, 24, 44, 0.12);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--white);
  font-family: Inter, "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  line-height: 1.65;
}

.construction-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 10%, rgba(199, 161, 90, 0.12), transparent 28rem),
    linear-gradient(180deg, #ffffff 0%, #f6f7f9 100%);
}

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.88);
  border-bottom: 1px solid rgba(230, 232, 236, 0.86);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 750;
  letter-spacing: 0;
}

.brand-mark {
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  font-size: 15px;
}

.nav {
  display: none;
}

.header-cta {
  min-width: 92px;
  padding: 9px 13px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  font-size: 13px;
  font-weight: 700;
  text-align: center;
}

.hero {
  display: grid;
  gap: 22px;
  padding: 42px 18px 26px;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(246, 247, 249, 0.72), rgba(255, 255, 255, 0)),
    var(--white);
}

.hero-copy,
.section,
.contact-section,
.site-footer {
  width: min(1120px, calc(100vw - 36px));
  margin: 0 auto;
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  overflow-wrap: anywhere;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(36px, 10.8vw, 76px);
  line-height: 1.02;
  letter-spacing: 0;
}

.lead {
  max-width: 680px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.hero-actions {
  display: grid;
  gap: 12px;
  margin-top: 22px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 13px 18px;
  border-radius: 8px;
  font-weight: 800;
  text-align: center;
  transition: transform 160ms ease, background 160ms ease, border-color 160ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button.primary {
  color: var(--white);
  background: var(--ink);
}

.button.secondary {
  color: var(--ink);
  background: var(--white);
  border: 1px solid var(--line);
}

.button.large {
  width: 100%;
  max-width: 420px;
}

.trust-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin: 18px 0 0;
}

.trust-strip div {
  min-width: 0;
  padding: 10px 9px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.trust-strip dt {
  color: var(--ink);
  font-weight: 850;
}

.trust-strip dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.hero-visual {
  width: min(1120px, calc(100vw - 36px));
  margin: 0 auto;
  padding: 8px;
  overflow: hidden;
  background: linear-gradient(145deg, #ffffff, #f2f4f7);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-visual img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  object-position: center;
  border-radius: 6px;
}

.section {
  padding: 58px 0;
}

.section-heading {
  max-width: 760px;
  margin-bottom: 28px;
}

.section-heading h2,
.strength-card h2,
.profile-card h2,
.contact-section h2 {
  margin: 0;
  font-size: clamp(28px, 7vw, 48px);
  line-height: 1.12;
  letter-spacing: 0;
}

.pain-grid,
.pricing-grid,
.strength-grid {
  display: grid;
  gap: 14px;
}

.pain-grid article,
.service-list article,
.pricing-grid article {
  padding: 22px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.pain-grid span,
.service-icon {
  color: var(--gold);
  font-size: 12px;
  font-weight: 850;
}

.pain-grid h3,
.service-list h3,
.pricing-grid h3,
.strength-grid h3 {
  margin: 9px 0 7px;
  font-size: 19px;
  line-height: 1.3;
}

.pain-grid p,
.service-list p,
.pricing-grid p,
.strength-grid p,
.profile-card p,
.contact-section p {
  margin: 0;
  color: var(--muted);
}

.services-section {
  border-top: 1px solid var(--line);
}

.service-list {
  display: grid;
  gap: 12px;
}

.strength-section {
  width: auto;
  max-width: none;
  padding-right: 18px;
  padding-left: 18px;
  background: var(--soft);
}

.strength-card {
  width: min(1120px, 100%);
  margin: 0 auto;
  padding: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 18px 55px rgba(16, 24, 44, 0.08);
}

.strength-grid {
  margin-top: 28px;
}

.strength-grid div {
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.pricing-grid article {
  background: #fbfbfc;
}

.pricing-grid .featured {
  color: var(--white);
  background: var(--navy);
  border-color: var(--navy);
}

.pricing-grid .featured p {
  color: rgba(255, 255, 255, 0.72);
}

.price {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 28px;
  font-weight: 850;
}

.featured .price {
  color: var(--gold-soft);
}

.profile-card {
  display: grid;
  gap: 24px;
  padding: 26px;
  background: linear-gradient(135deg, #ffffff, #f8f4ec);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.profile-card ul {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.profile-card li {
  padding: 12px 14px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(199, 161, 90, 0.25);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
}

.contact-section {
  margin-top: 28px;
  margin-bottom: 44px;
  padding: 34px 22px;
  color: var(--white);
  background: var(--ink);
  border-radius: 8px;
  text-align: left;
}

.contact-section p {
  max-width: 680px;
  margin: 16px 0 24px;
  color: rgba(255, 255, 255, 0.74);
}

.contact-section .button.primary {
  color: var(--ink);
  background: var(--gold-soft);
}

.site-footer {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 24px 0 34px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 13px;
}

.site-footer span:first-child {
  color: var(--ink);
  font-weight: 850;
}

.construction-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px 18px;
}

.construction-hero {
  width: min(920px, 100%);
  padding: 32px 22px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.construction-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 52px;
  font-weight: 850;
}

.construction-hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(40px, 12vw, 82px);
  line-height: 1.02;
}

.construction-lead {
  max-width: 720px;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.construction-status {
  display: grid;
  gap: 10px;
  margin-top: 30px;
}

.construction-status div {
  display: grid;
  gap: 4px;
  padding: 16px;
  background: #fbfbfc;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.construction-status span {
  color: var(--gold);
  font-size: 12px;
  font-weight: 850;
}

.construction-status strong {
  font-size: 15px;
}

.construction-note {
  margin: 28px 0 0;
  padding-top: 18px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

@media (min-width: 640px) {
  .hero-actions {
    display: flex;
  }

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

  .pain-grid,
  .pricing-grid,
  .strength-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 900px) {
  .site-header {
    padding: 16px 32px;
  }

  .nav {
    display: flex;
    align-items: center;
    gap: 24px;
    color: var(--muted);
    font-size: 14px;
    font-weight: 700;
  }

  .hero {
    grid-template-columns: minmax(0, 1.02fr) minmax(380px, 0.78fr);
    align-items: center;
    gap: 42px;
    min-height: calc(100vh - 118px);
    padding: 58px 32px 46px;
  }

  .hero-copy,
  .hero-visual {
    width: 100%;
  }

  .hero-visual {
    height: auto;
    padding: 10px;
  }

  .trust-strip div {
    padding: 14px 16px;
  }

  .trust-strip dd {
    font-size: 13px;
  }

  .hero-visual img {
    min-height: 480px;
  }

  .service-list {
    grid-template-columns: repeat(6, 1fr);
  }

  .service-list article {
    grid-column: span 2;
  }

  .service-list article:nth-child(4),
  .service-list article:nth-child(5) {
    grid-column: span 3;
  }

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

  .profile-card {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: center;
    padding: 34px;
  }

  .contact-section {
    padding: 46px;
  }

  .site-footer {
    flex-direction: row;
    justify-content: space-between;
  }

  .construction-shell {
    padding: 42px 32px;
  }

  .construction-hero {
    padding: 48px;
  }

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