:root {
  --bg: #f4f1df;
  --surface: #fbf8ea;
  --surface-strong: #efe8c8;
  --text: #17284a;
  --muted: #5e6472;
  --accent: #d8aa2f;
  --accent-dark: #b8912a;
  --border: #ded7b8;
  --shadow: 0 24px 60px rgba(23, 40, 74, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --max-width: 1160px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Inter", "Noto Sans JP", sans-serif;
  background:
    radial-gradient(circle at top left, rgba(216, 170, 47, 0.12), transparent 32%),
    linear-gradient(180deg, #fbf8ea 0%, var(--bg) 34%, #f7f3e3 100%);
  color: var(--text);
}

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

p,
li {
  font-family: "Noto Sans JP", sans-serif;
  line-height: 1.8;
}

.page-shell {
  min-height: 100vh;
}

.site-header,
.hero,
.section,
.site-footer {
  width: min(calc(100% - 32px), var(--max-width));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 20px 0;
  backdrop-filter: blur(16px);
}

.site-header::before {
  content: "";
  position: absolute;
  inset: 8px -16px;
  background: rgba(251, 248, 234, 0.72);
  border: 1px solid rgba(222, 215, 184, 0.85);
  border-radius: 999px;
  z-index: -1;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
  font-weight: 800;
  letter-spacing: 0.02em;
}

.brand-mark {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--text), #223b70);
  box-shadow: 0 14px 28px rgba(23, 40, 74, 0.22);
}

.brand-mark svg {
  width: 28px;
  height: 28px;
  fill: none;
  stroke: #fbf8ea;
  stroke-width: 2.5;
  stroke-linejoin: round;
}

.site-nav {
  display: inline-flex;
  align-items: center;
  gap: 24px;
  color: var(--muted);
  font-size: 0.95rem;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 42px;
  align-items: center;
  padding: 74px 0 48px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 16px;
  color: var(--accent-dark);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.eyebrow::before {
  content: "";
  width: 34px;
  height: 1px;
  background: currentColor;
}

.hero h1,
.section h2,
.hero-card h2,
.cta-card h2 {
  margin: 0;
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.hero h1 {
  font-size: clamp(2.7rem, 6vw, 5rem);
  max-width: 11ch;
}

.hero-lead,
.section-heading p,
.cta-card p {
  color: var(--muted);
  font-size: 1.02rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 22px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
}

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

.button-primary {
  background: var(--text);
  color: var(--surface);
  box-shadow: 0 18px 32px rgba(23, 40, 74, 0.18);
}

.button-secondary {
  background: rgba(251, 248, 234, 0.76);
  border-color: var(--border);
  color: var(--text);
}

.hero-points {
  display: grid;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.hero-points li {
  position: relative;
  padding-left: 24px;
  color: var(--text);
}

.hero-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(216, 170, 47, 0.2);
}

.hero-panel {
  position: relative;
}

.panel-card,
.step-card,
.cta-card,
.fact-card,
.target-chip,
.flow-item {
  background: rgba(251, 248, 234, 0.88);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.panel-card {
  padding: 28px;
  box-shadow: var(--shadow);
}

.hero-card {
  position: relative;
  overflow: hidden;
}

.hero-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -42px;
  width: 180px;
  height: 180px;
  background: radial-gradient(circle, rgba(216, 170, 47, 0.16), transparent 70%);
}

.card-label {
  margin: 0 0 12px;
  color: var(--accent-dark);
  font-weight: 700;
}

.hero-card h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  max-width: 12ch;
}

.hero-list {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.hero-list div {
  display: grid;
  gap: 4px;
  padding-left: 22px;
  border-left: 3px solid rgba(216, 170, 47, 0.52);
}

.hero-list strong {
  font-size: 1rem;
}

.hero-list span {
  color: var(--muted);
  font-family: "Noto Sans JP", sans-serif;
}

.panel-note {
  margin-top: 18px;
  padding: 20px 24px;
  color: var(--muted);
}

.note-kicker {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent-dark);
}

.section {
  padding: 44px 0;
}

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

.section h2 {
  font-size: clamp(2rem, 3.8vw, 3.1rem);
  max-width: 16ch;
}

.card-grid {
  display: grid;
  gap: 18px;
}

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

.issue-card h3,
.step-card h3,
.profile-card h3 {
  margin: 0 0 12px;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1.18rem;
}

.issue-card p,
.step-card p,
.profile-card p,
.fact-card span {
  margin: 0;
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.step-card {
  position: relative;
  padding: 30px 26px 26px;
}

.step-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: linear-gradient(145deg, #e7bc4e, var(--accent));
  color: var(--text);
  font-weight: 800;
}

.split-section {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 28px;
  align-items: start;
}

.deliverables ul {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px 20px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.deliverables li {
  position: relative;
  padding-left: 20px;
  font-weight: 600;
}

.deliverables li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 8px;
  height: 8px;
  border-radius: 999px;
  background: var(--accent);
}

.target-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.target-chip {
  padding: 14px 18px;
  color: var(--text);
  font-weight: 600;
}

.about-section {
  position: relative;
}

.about-layout {
  display: grid;
  grid-template-columns: 1.1fr 0.85fr;
  gap: 20px;
  align-items: start;
}

.about-copy {
  padding: 32px;
  background: linear-gradient(180deg, rgba(23, 40, 74, 0.97), rgba(26, 47, 88, 0.94));
  border-radius: var(--radius-xl);
  color: var(--surface);
  box-shadow: var(--shadow);
}

.about-copy p {
  margin: 0 0 16px;
  color: rgba(251, 248, 234, 0.86);
}

.about-facts {
  display: grid;
  gap: 16px;
}

.fact-card {
  display: grid;
  gap: 8px;
  padding: 22px;
}

.fact-card strong {
  font-size: 1.02rem;
}

.profile-card {
  padding: 32px;
}

.profile-header {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.profile-header p {
  color: var(--accent-dark);
  font-weight: 700;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
}

.flow-item {
  padding: 22px 18px;
}

.flow-item span {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  margin-bottom: 12px;
  border-radius: 14px;
  background: var(--surface-strong);
  color: var(--text);
  font-weight: 800;
}

.flow-item p {
  margin: 0;
  font-size: 0.95rem;
}

.cta-section {
  padding-bottom: 84px;
}

.cta-card {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 24px;
  align-items: center;
  padding: 34px;
  background: linear-gradient(145deg, rgba(23, 40, 74, 0.97), rgba(39, 60, 104, 0.95));
  color: var(--surface);
  box-shadow: 0 30px 70px rgba(23, 40, 74, 0.2);
}

.cta-card .eyebrow,
.cta-card p {
  color: rgba(251, 248, 234, 0.82);
}

.cta-card .eyebrow::before {
  background: rgba(251, 248, 234, 0.5);
}

.cta-card .button-primary {
  background: var(--accent);
  color: var(--text);
}

.cta-card .button-secondary {
  background: transparent;
  color: var(--surface);
  border-color: rgba(251, 248, 234, 0.26);
}

.contact-note {
  margin: 18px 0 0;
  font-size: 0.94rem;
  color: rgba(251, 248, 234, 0.72);
}

.site-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  padding: 0 0 36px;
  color: var(--muted);
  font-size: 0.95rem;
}

@media (max-width: 1080px) {
  .hero,
  .split-section,
  .about-layout,
  .cta-card {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .site-header {
    position: static;
    flex-direction: column;
    align-items: flex-start;
    padding: 18px 0 0;
  }

  .site-header::before {
    inset: 0;
    border-radius: 24px;
  }

  .site-nav {
    flex-wrap: wrap;
    gap: 12px 18px;
    padding: 0 18px 18px;
  }

  .hero {
    gap: 28px;
    padding-top: 38px;
  }

  .hero h1 {
    max-width: none;
    font-size: clamp(2.3rem, 12vw, 3.4rem);
  }

  .section,
  .cta-section {
    padding: 32px 0;
  }

  .section h2,
  .hero-card h2,
  .cta-card h2 {
    max-width: none;
  }

  .issue-grid,
  .steps,
  .deliverables ul,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .panel-card,
  .step-card,
  .profile-card,
  .cta-card {
    padding: 24px;
  }

  .profile-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .site-footer {
    padding-bottom: 28px;
  }
}
