:root {
  --paper: #faf9f5;
  --ink: #1d2a27;
  --muted: #61706b;
  --line: #dce2dd;
  --mist: #edf2ee;
  --sage: #6f8c7a;
  --forest: #23463f;
  --blue: #456b7f;
  --blue-soft: #dce8ea;
  --gold: #c49a54;
  --gold-soft: #f4ead8;
  --white: #ffffff;
  --shadow: 0 24px 60px rgba(23, 45, 39, 0.12);
  --soft-shadow: 0 18px 44px rgba(23, 45, 39, 0.09);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(35, 70, 63, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 70, 63, 0.035) 1px, transparent 1px),
    var(--paper);
  background-size: 42px 42px;
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  line-height: 1.75;
}

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

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 3px solid rgba(196, 154, 84, 0.55);
  outline-offset: 4px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 14px clamp(20px, 5vw, 72px);
  background: rgba(250, 249, 245, 0.9);
  border-bottom: 1px solid rgba(220, 226, 221, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: max-content;
  font-weight: 800;
}

.brand-mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  color: var(--white);
  background: var(--forest);
  border-radius: 50%;
  font-family: "Noto Serif JP", serif;
}

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

.nav a {
  transition: color 160ms ease, background 160ms ease;
}

.nav a:hover {
  color: var(--forest);
}

.nav-cta {
  padding: 9px 16px;
  color: var(--white);
  background: var(--forest);
  border-radius: 999px;
  box-shadow: 0 10px 22px rgba(35, 70, 63, 0.16);
}

.nav .nav-cta:hover {
  color: var(--white);
  background: var(--blue);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(420px, 1.1fr);
  align-items: center;
  min-height: calc(100vh - 72px);
  padding: clamp(44px, 7vw, 86px) clamp(20px, 5vw, 72px) 48px;
  gap: clamp(28px, 5vw, 72px);
  overflow: hidden;
}

.hero-copy {
  max-width: 660px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2 {
  font-family: "Noto Serif JP", serif;
  line-height: 1.25;
  letter-spacing: 0;
}

h1 {
  max-width: 620px;
  margin-bottom: 24px;
  font-size: clamp(42px, 5.9vw, 78px);
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(30px, 4vw, 52px);
}

h3 {
  margin-bottom: 10px;
  font-size: 22px;
}

.hero-lead {
  max-width: 580px;
  margin-bottom: 30px;
  color: var(--muted);
  font-size: clamp(17px, 1.8vw, 20px);
  font-weight: 500;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 22px;
}

.button,
.signup-form button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

.button:hover,
.signup-form button:hover {
  transform: translateY(-1px);
  box-shadow: 0 18px 34px rgba(35, 70, 63, 0.2);
}

.button.primary,
.signup-form button {
  color: var(--white);
  background: var(--forest);
  box-shadow: 0 14px 28px rgba(35, 70, 63, 0.22);
}

.button.secondary {
  color: var(--forest);
  background: rgba(255, 255, 255, 0.82);
  border-color: var(--line);
}

.trust-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.trust-tags li {
  padding: 8px 13px;
  color: var(--forest);
  background: rgba(237, 242, 238, 0.84);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
}

.hero-proof {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  max-width: 620px;
  margin-top: 22px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.hero-proof div {
  padding: 16px;
  background: rgba(255, 255, 255, 0.74);
}

.hero-proof span {
  display: block;
  margin-bottom: 8px;
  color: var(--gold);
  font-family: "Noto Serif JP", serif;
  font-size: 18px;
  font-weight: 700;
}

.hero-proof strong {
  display: block;
  margin-bottom: 4px;
  font-size: 15px;
}

.hero-proof p {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.55;
}

.hero-image {
  position: relative;
  margin: 0;
}

.hero-image::before {
  position: absolute;
  inset: -18px auto auto -18px;
  width: 42%;
  height: 52%;
  content: "";
  border-top: 2px solid var(--gold);
  border-left: 2px solid var(--gold);
}

.hero-image img {
  width: 100%;
  min-height: 520px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.hero-image figcaption {
  position: absolute;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  max-width: min(360px, calc(100% - 28px));
  padding: 13px 16px;
  color: var(--forest);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 8px;
  box-shadow: 0 14px 36px rgba(23, 45, 39, 0.12);
  backdrop-filter: blur(10px);
  font-size: 13px;
  font-weight: 800;
}

.section {
  padding: clamp(68px, 9vw, 116px) clamp(20px, 5vw, 72px);
}

.section-heading {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(260px, 0.42fr);
  gap: clamp(20px, 5vw, 64px);
  align-items: end;
  margin-bottom: 36px;
}

.section-heading.compact {
  display: block;
  max-width: 780px;
}

.section-heading p:not(.eyebrow) {
  margin-bottom: 0;
  color: var(--muted);
}

.intro {
  background: var(--white);
}

.intro-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.intro-grid p {
  min-height: 148px;
  margin: 0;
  padding: 24px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--forest);
  font-size: 18px;
  font-weight: 700;
  box-shadow: 0 10px 28px rgba(23, 45, 39, 0.045);
}

.intro-grid span {
  display: block;
  margin-bottom: 18px;
  color: var(--blue);
  font-size: 12px;
  font-weight: 800;
}

.values {
  background: linear-gradient(180deg, var(--paper), #eef3f0);
}

.value-panel {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  max-width: 1040px;
}

.value-card {
  position: relative;
  padding: 26px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(220, 226, 221, 0.9);
  border-radius: 8px;
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.value-card:hover {
  transform: translateY(-2px);
  border-color: rgba(111, 140, 122, 0.48);
  box-shadow: var(--soft-shadow);
}

.value-card span {
  display: block;
  margin-bottom: 8px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
}

.value-card strong {
  display: block;
  margin-bottom: 12px;
  font-size: 20px;
  line-height: 1.55;
}

.value-card p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.relationship {
  background: var(--forest);
  color: var(--white);
}

.relationship .eyebrow,
.relationship .section-heading {
  color: #d9e4dc;
}

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

.relationship-list article {
  position: relative;
  min-height: 210px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 8px;
}

.relationship-list span {
  display: inline-block;
  margin-bottom: 26px;
  padding: 6px 10px;
  color: #e8f0ec;
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.13);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.relationship-list p {
  margin-bottom: 0;
  color: #d7e1dd;
}

.area-check {
  display: grid;
  grid-template-columns: minmax(0, 0.78fr) minmax(320px, 0.82fr);
  gap: clamp(32px, 6vw, 80px);
  align-items: center;
  background: #eef3f0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.area-copy {
  max-width: 920px;
}

.area-copy p:not(.eyebrow) {
  color: var(--muted);
}

.area-visual {
  padding: 18px;
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(220, 226, 221, 0.9);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.area-map {
  position: relative;
  min-height: 290px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(35, 70, 63, 0.08) 1px, transparent 1px),
    linear-gradient(180deg, rgba(35, 70, 63, 0.08) 1px, transparent 1px),
    #f9faf7;
  background-size: 44px 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.map-line {
  position: absolute;
  display: block;
  height: 2px;
  background: rgba(69, 107, 127, 0.28);
  transform-origin: left center;
}

.line-a {
  left: 12%;
  top: 38%;
  width: 78%;
  transform: rotate(-12deg);
}

.line-b {
  left: 20%;
  top: 68%;
  width: 70%;
  transform: rotate(8deg);
}

.line-c {
  left: 48%;
  top: 18%;
  width: 2px;
  height: 72%;
  background: rgba(196, 154, 84, 0.38);
}

.map-pin {
  position: absolute;
  display: block;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  box-shadow: 0 0 0 8px rgba(111, 140, 122, 0.12);
}

.primary-pin {
  left: 42%;
  top: 44%;
  background: var(--forest);
}

.secondary-pin {
  right: 18%;
  top: 58%;
  background: var(--gold);
}

.map-label {
  position: absolute;
  padding: 8px 11px;
  color: var(--forest);
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.primary-label {
  left: 28%;
  top: 30%;
}

.secondary-label {
  right: 8%;
  top: 43%;
}

.area-notes {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 12px;
}

.area-notes div {
  padding: 16px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.area-notes strong {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
}

.area-notes p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.safety {
  display: grid;
  grid-template-columns: minmax(0, 0.85fr) minmax(320px, 1fr);
  gap: clamp(30px, 6vw, 84px);
  align-items: start;
  background: var(--white);
}

.safety-copy {
  position: sticky;
  top: 112px;
}

.safety-copy p:not(.eyebrow) {
  color: var(--muted);
}

.safety-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
}

.safety-list details {
  position: relative;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.safety-list details:hover {
  transform: translateY(-1px);
  border-color: rgba(111, 140, 122, 0.5);
}

.safety-list details[open] {
  background: var(--white);
  box-shadow: 0 12px 28px rgba(23, 45, 39, 0.08);
}

.safety-list summary {
  position: relative;
  display: flex;
  min-height: 68px;
  align-items: center;
  gap: 16px;
  padding: 18px 52px 18px 52px;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.safety-list summary::-webkit-details-marker {
  display: none;
}

.safety-list summary::before {
  position: absolute;
  left: 20px;
  top: 50%;
  width: 16px;
  height: 16px;
  content: "";
  background: var(--sage);
  border-radius: 50%;
  transform: translateY(-50%);
  box-shadow: inset 0 0 0 5px var(--paper);
}

.safety-list details[open] summary::before {
  box-shadow: inset 0 0 0 4px var(--white);
}

.safety-list summary::after {
  position: absolute;
  right: 22px;
  top: 50%;
  width: 9px;
  height: 9px;
  content: "";
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: translateY(-65%) rotate(45deg);
  transition: transform 160ms ease;
}

.safety-list details[open] summary::after {
  transform: translateY(-35%) rotate(225deg);
}

.safety-list p {
  margin: -2px 52px 22px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 500;
  line-height: 1.85;
}

.mid-cta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  margin: 0 clamp(20px, 5vw, 72px);
  padding: 30px clamp(24px, 5vw, 44px);
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--soft-shadow);
}

.mid-cta h2 {
  margin-bottom: 0;
  font-size: clamp(28px, 3vw, 42px);
}

.steps {
  background: var(--paper);
}

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

.step-list li {
  position: relative;
  min-height: 238px;
  padding: 26px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(23, 45, 39, 0.045);
}

.step-list span {
  display: block;
  margin-bottom: 28px;
  color: var(--gold);
  font-family: "Noto Serif JP", serif;
  font-size: 28px;
  font-weight: 700;
}

.step-list strong {
  display: block;
  margin-bottom: 10px;
  font-size: 19px;
}

.step-list p {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 15px;
}

.final-cta {
  margin: clamp(40px, 8vw, 92px) clamp(20px, 5vw, 72px);
  padding: clamp(42px, 7vw, 72px);
  color: var(--white);
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.08) 1px, transparent 1px),
    linear-gradient(45deg, var(--forest), #315f55);
  background-size: 32px 32px, auto;
  border-radius: 8px;
}

.final-cta .eyebrow {
  color: #d7e1dd;
}

.final-cta h2 {
  max-width: 760px;
}

.final-cta p {
  max-width: 720px;
  color: #e4ece8;
}

.signup-form {
  display: flex;
  gap: 12px;
  max-width: 680px;
  margin-top: 28px;
}

.signup-form label {
  flex: 1;
}

.signup-form span {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 800;
}

.signup-form input {
  width: 100%;
  min-height: 52px;
  padding: 12px 16px;
  color: var(--ink);
  background: var(--white);
  border: 1px solid transparent;
  border-radius: 8px;
  font: inherit;
}

.signup-form button {
  align-self: end;
  min-height: 52px;
  color: var(--forest);
  background: var(--white);
  box-shadow: none;
}

.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 20px;
  padding: 28px clamp(20px, 5vw, 72px);
  color: var(--muted);
  border-top: 1px solid var(--line);
  font-size: 14px;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 980px) {
  .hero,
  .section-heading,
  .safety,
  .area-check {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
  }

  .hero-image {
    order: -1;
  }

  .hero-image img {
    min-height: 380px;
  }

  .intro-grid,
  .step-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .relationship-list {
    grid-template-columns: 1fr;
  }

  .safety-copy {
    position: static;
  }

  .area-visual {
    max-width: 720px;
  }

  .mid-cta {
    align-items: flex-start;
  }
}

@media (max-width: 680px) {
  .site-header {
    align-items: center;
  }

  .nav {
    gap: 10px;
    font-size: 12px;
  }

  .nav a:not(.nav-cta) {
    display: none;
  }

  .hero {
    padding-top: 28px;
  }

  h1 {
    font-size: 38px;
  }

  .hero-image img {
    min-height: 280px;
  }

  .hero-image figcaption {
    position: static;
    max-width: none;
    margin-top: 10px;
    background: var(--white);
  }

  .hero-proof {
    grid-template-columns: 1fr;
  }

  .intro-grid,
  .value-panel,
  .step-list,
  .area-notes {
    grid-template-columns: 1fr;
  }

  .intro-grid p,
  .relationship-list article,
  .step-list li {
    min-height: auto;
  }

  .signup-form {
    display: grid;
  }

  .signup-form button {
    width: 100%;
  }

  .area-map {
    min-height: 240px;
  }

  .map-label {
    font-size: 11px;
  }

  .mid-cta {
    display: grid;
    margin-inline: 20px;
  }

  .mid-cta .button {
    width: 100%;
  }

  .site-footer {
    display: grid;
  }
}

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

  *,
  *::before,
  *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}