:root {
  color-scheme: light;
  --paper: #f3efe6;
  --paper-deep: #e8e0d2;
  --ink: #1d211f;
  --muted: #63645f;
  --asagi: #2e7681;
  --asagi-dark: #205760;
  --seal: #b94a3d;
  --line: rgba(29, 33, 31, 0.17);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", sans-serif;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 20% 0%, rgba(255, 255, 255, 0.75), transparent 34rem),
    repeating-linear-gradient(96deg, transparent 0 7px, rgba(53, 51, 43, 0.015) 8px),
    var(--paper);
  line-height: 1.75;
}

a {
  color: inherit;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.25em;
}

.site-header,
main,
footer {
  width: min(1180px, calc(100% - 48px));
  margin-inline: auto;
}

.site-header {
  min-height: 92px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: 1.35rem;
  font-weight: 700;
  text-decoration: none;
}

.brand-seal {
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--seal);
  border-radius: 4px 7px 5px 6px;
}

nav,
footer div {
  display: flex;
  gap: 24px;
}

nav a,
footer a {
  font-size: 0.88rem;
  text-decoration: none;
}

nav a:hover,
footer a:hover {
  text-decoration: underline;
}

.hero {
  min-height: 660px;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
  align-items: center;
  gap: 9vw;
  padding: 76px 4vw 84px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--asagi-dark);
  font-size: 0.76rem;
  font-weight: 750;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(3.7rem, 8vw, 7.7rem);
  line-height: 1.08;
  font-weight: 600;
}

.lead {
  max-width: 680px;
  margin: 32px 0;
  font-size: clamp(1.05rem, 2vw, 1.28rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  min-height: 50px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 22px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  font-weight: 700;
  text-decoration: none;
  transition: transform 160ms ease, background 160ms ease;
}

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

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

.button.secondary:hover {
  background: rgba(255, 255, 255, 0.4);
}

.fine-print {
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.82rem;
}

.hero-mark {
  aspect-ratio: 1;
  display: grid;
  place-items: center;
  align-content: center;
  gap: 12px;
  color: var(--paper);
  background: var(--asagi);
  border-radius: 48% 44% 47% 42%;
  box-shadow: 28px 32px 0 rgba(46, 118, 129, 0.1);
  transform: rotate(2deg);
}

.hero-mark span {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(7rem, 16vw, 13rem);
  line-height: 0.9;
}

.hero-mark small {
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.pillars,
.product,
.pro-section,
.privacy-callout,
.final-cta {
  padding: 112px 4vw;
  border-top: 1px solid var(--line);
}

.section-heading {
  display: grid;
  grid-template-columns: 1fr 2fr;
  align-items: start;
  margin-bottom: 64px;
}

h2 {
  margin: 0;
  font-size: clamp(2.2rem, 4.5vw, 4.4rem);
  line-height: 1.25;
  font-weight: 600;
}

.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.pillar-grid article {
  min-height: 330px;
  padding: 38px;
  background: var(--paper);
}

.pillar-number {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  margin: 0 0 68px;
  color: var(--paper);
  background: var(--seal);
  border-radius: 50%;
}

h3 {
  margin: 0 0 18px;
  font-size: 1.75rem;
}

.pillar-grid article > p:last-child,
.product-copy > p:last-child {
  color: var(--muted);
}

.product {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  align-items: center;
  gap: 8vw;
}

.pro-section {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  align-items: center;
  gap: 9vw;
}

.pro-section > div:first-child > p:not(.eyebrow),
.privacy-callout > p:not(.eyebrow) {
  max-width: 660px;
  color: var(--muted);
}

.text-link {
  display: inline-block;
  margin-top: 12px;
  color: var(--asagi-dark);
  font-weight: 700;
}

.price-card {
  padding: 42px;
  color: var(--paper);
  background: var(--ink);
  border-radius: 24px;
  box-shadow: 18px 22px 0 var(--paper-deep);
}

.price-label,
.price-card p,
.price-card small {
  margin-block: 0 18px;
}

.price {
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  font-size: clamp(3.6rem, 7vw, 5.8rem);
  line-height: 1;
}

.price span {
  margin-right: 6px;
  font-size: 0.45em;
}

.price-card .button {
  width: 100%;
  color: var(--ink);
  background: var(--paper);
  border-color: var(--paper);
}

.price-card small {
  display: block;
  margin-top: 16px;
  color: rgba(243, 239, 230, 0.62);
  text-align: center;
}

.privacy-callout {
  color: var(--paper);
  background: var(--asagi-dark);
  border: 0;
  border-radius: 28px;
}

.privacy-callout .eyebrow,
.privacy-callout > p:not(.eyebrow) {
  color: rgba(243, 239, 230, 0.74);
}

.privacy-callout .button {
  margin-top: 18px;
  border-color: rgba(243, 239, 230, 0.7);
}

.final-cta {
  display: grid;
  justify-items: center;
  gap: 24px;
  text-align: center;
}

.final-cta .eyebrow,
.final-cta h2 {
  margin: 0;
}

.page-shell {
  max-width: 900px;
  min-height: calc(100vh - 212px);
  padding: 88px 0 120px;
}

.page-hero {
  margin-bottom: 72px;
}

.page-hero h1 {
  max-width: 850px;
  font-size: clamp(3rem, 7vw, 6.2rem);
}

.page-hero .lead {
  max-width: 720px;
}

.content-section {
  padding: 52px 0;
  border-top: 1px solid var(--line);
}

.content-section h2 {
  margin-bottom: 24px;
  font-size: clamp(1.8rem, 4vw, 3rem);
}

.content-section h3 {
  margin-top: 36px;
}

.content-section p,
.content-section li {
  color: var(--muted);
}

.content-section strong {
  color: var(--ink);
}

.step-list {
  padding: 0;
  list-style: none;
  counter-reset: steps;
}

.step-list li {
  position: relative;
  min-height: 72px;
  padding: 8px 0 28px 74px;
  counter-increment: steps;
}

.step-list li::before {
  content: counter(steps);
  position: absolute;
  top: 0;
  left: 0;
  width: 48px;
  height: 48px;
  display: grid;
  place-items: center;
  color: var(--paper);
  background: var(--asagi);
  border-radius: 50%;
  font-weight: 800;
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.policy-card {
  padding: 30px;
  border: 1px solid var(--line);
  border-radius: 16px;
}

.policy-card h3 {
  margin-top: 0;
}

.notice {
  padding: 18px 20px;
  color: var(--muted);
  background: rgba(46, 118, 129, 0.09);
  border-left: 3px solid var(--asagi);
}

.compact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

figure {
  margin: 0;
}

figure img {
  width: 100%;
  height: auto;
  display: block;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 18px;
  box-shadow: 0 28px 80px rgba(29, 33, 31, 0.2);
}

figcaption {
  margin-top: 12px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: right;
}

footer {
  min-height: 120px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
}

@media (max-width: 800px) {
  .site-header {
    padding-block: 18px;
    align-items: flex-start;
  }

  nav {
    gap: 14px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .hero,
  .product,
  .pro-section {
    grid-template-columns: 1fr;
  }

  .hero {
    padding-inline: 0;
  }

  .hero-mark {
    width: min(76vw, 420px);
    justify-self: center;
  }

  .section-heading,
  .pillar-grid {
    grid-template-columns: 1fr;
  }

  .section-heading {
    gap: 18px;
  }

  .pillars,
  .product,
  .pro-section,
  .privacy-callout,
  .final-cta {
    padding-inline: 0;
  }

  .pillar-grid article {
    min-height: auto;
  }

  .pillar-number {
    margin-bottom: 28px;
  }

  .policy-grid {
    grid-template-columns: 1fr;
  }
}

.guide {
  max-width: 760px;
  padding-block: 48px;
  font-size: 1rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

.guide h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

.guide h2 {
  margin-top: 2.5rem;
  font-size: 1.5rem;
}

.guide li + li {
  margin-top: 0.5rem;
}

@media (max-width: 800px) {
  footer {
    flex-wrap: wrap;
    gap: 12px;
    padding-block: 24px;
  }
}

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

  .button {
    transition: none;
  }
}