:root {
  --ink: #243832;
  --muted: #60736d;
  --line: #dfe9e4;
  --paper: #fbfdfb;
  --white: #ffffff;
  --sage: #5e9479;
  --sage-dark: #2f6d57;
  --mint: #e7f4ed;
  --aqua: #e6f3f6;
  --warm: #f7efe4;
  --accent: #d99656;
  --shadow: 0 18px 48px rgba(36, 56, 50, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Sans JP", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
  background: var(--paper);
}

img {
  display: block;
  width: 100%;
  height: auto;
}

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

.site-header {
  position: fixed;
  z-index: 10;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 72px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.86);
  border-bottom: 1px solid rgba(223, 233, 228, 0.8);
  backdrop-filter: blur(18px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 250px;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  color: var(--white);
  font-weight: 800;
  background: var(--sage-dark);
  border-radius: 50%;
}

.brand strong,
.brand small {
  display: block;
}

.brand strong {
  line-height: 1.2;
}

.brand small {
  color: var(--muted);
  font-size: 12px;
  line-height: 1.4;
}

.header-nav {
  display: flex;
  gap: 20px;
  margin-left: auto;
  color: var(--muted);
  font-size: 14px;
}

.header-nav a:hover {
  color: var(--sage-dark);
}

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 22px;
  font-weight: 700;
  border-radius: 999px;
}

.header-cta,
.button.primary {
  color: var(--white);
  background: var(--sage-dark);
  box-shadow: 0 12px 28px rgba(47, 109, 87, 0.22);
}

.button.secondary {
  color: var(--sage-dark);
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(94, 148, 121, 0.3);
}

.button.large {
  min-height: 56px;
  padding: 14px 28px;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  isolation: isolate;
}

.hero picture,
.hero picture img,
.hero-overlay {
  position: absolute;
  inset: 0;
}

.hero picture img {
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  z-index: 1;
  background:
    linear-gradient(90deg, rgba(251, 253, 251, 0.96) 0%, rgba(251, 253, 251, 0.82) 34%, rgba(251, 253, 251, 0.18) 64%, rgba(251, 253, 251, 0) 100%),
    linear-gradient(180deg, rgba(251, 253, 251, 0.55) 0%, rgba(251, 253, 251, 0) 50%);
}

.hero-content {
  position: relative;
  z-index: 2;
  width: min(680px, calc(100% - 36px));
  padding: 158px 0 96px;
  margin-left: clamp(18px, 7vw, 96px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--sage-dark);
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(40px, 5.2vw, 72px);
  line-height: 1.14;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 24px;
  font-size: clamp(28px, 3.1vw, 44px);
  line-height: 1.32;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 12px;
  font-size: 22px;
  line-height: 1.4;
}

.lead {
  max-width: 600px;
  color: #40564f;
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin: 34px 0 26px;
}

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

.hero-points li {
  padding: 8px 13px;
  color: #3d5f52;
  font-size: 14px;
  font-weight: 700;
  background: rgba(255, 255, 255, 0.76);
  border: 1px solid rgba(94, 148, 121, 0.24);
  border-radius: 999px;
}

.section {
  padding: clamp(72px, 9vw, 128px) 0;
}

.section-inner {
  width: min(1120px, calc(100% - 36px));
  margin: 0 auto;
}

.two-column,
.trust-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: start;
}

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

.intro-list {
  display: grid;
  gap: 14px;
}

.intro-list p {
  margin: 0;
  padding: 18px 20px;
  background: var(--mint);
  border-left: 5px solid var(--sage);
  border-radius: 8px;
}

.support {
  background:
    linear-gradient(180deg, var(--paper), var(--aqua));
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.support-grid article {
  min-height: 285px;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(36, 56, 50, 0.08);
}

.support-grid span {
  color: var(--accent);
  font-weight: 800;
}

.support-grid p,
.trust-copy p,
.area-box p,
.final-cta p {
  color: var(--muted);
}

.process {
  background: var(--warm);
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
  padding: 0;
  margin: 34px 0 0;
  list-style: none;
  counter-reset: flow;
}

.flow-list li {
  position: relative;
  min-height: 240px;
  padding: 58px 22px 24px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(217, 150, 86, 0.3);
  border-radius: 8px;
}

.flow-list li::before {
  position: absolute;
  top: 20px;
  left: 22px;
  color: var(--accent);
  font-weight: 900;
  content: "0" counter(flow);
  counter-increment: flow;
}

.flow-list strong {
  display: block;
  margin-bottom: 10px;
  font-size: 20px;
}

.flow-list p {
  margin: 0;
  color: #6c5d4c;
}

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

.trust-copy {
  padding: 34px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.trust-copy p:last-child {
  margin-bottom: 0;
}

.safety {
  background: linear-gradient(180deg, var(--white), var(--paper));
}

.policy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 34px;
}

.policy-grid article {
  min-height: 230px;
  padding: 28px 24px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 12px 32px rgba(36, 56, 50, 0.07);
}

.policy-grid h3 {
  color: var(--sage-dark);
}

.policy-grid p {
  color: var(--muted);
}

.area {
  padding-top: 0;
  background: var(--white);
}

.area-box {
  padding: clamp(34px, 5vw, 56px);
  background: var(--mint);
  border: 1px solid rgba(94, 148, 121, 0.24);
  border-radius: 8px;
}

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

.faq-list {
  display: grid;
  gap: 12px;
  margin-top: 30px;
}

.faq-list details {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.faq-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 70px;
  padding: 20px 24px;
  color: var(--ink);
  font-size: 18px;
  font-weight: 800;
  cursor: pointer;
}

.faq-list summary::after {
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  color: var(--white);
  line-height: 28px;
  text-align: center;
  background: var(--sage);
  border-radius: 50%;
  content: "+";
}

.faq-list details[open] summary::after {
  content: "-";
}

.faq-list p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--muted);
}

.final-cta {
  padding: clamp(76px, 9vw, 132px) 0 148px;
  color: var(--white);
  text-align: center;
  background: linear-gradient(135deg, #2f6d57, #426f82);
}

.final-cta .section-kicker,
.final-cta p {
  color: rgba(255, 255, 255, 0.86);
}

.final-cta h2 {
  width: min(790px, 100%);
  margin-left: auto;
  margin-right: auto;
}

.final-cta .button.primary {
  color: var(--sage-dark);
  background: var(--white);
  box-shadow: 0 16px 34px rgba(0, 0, 0, 0.14);
}

.contact-note {
  margin-top: 20px;
  font-size: 14px;
}

.sticky-cta {
  position: fixed;
  z-index: 20;
  right: 22px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px 12px 18px;
  color: var(--ink);
  background: rgba(255, 255, 255, 0.94);
  border: 1px solid rgba(94, 148, 121, 0.28);
  border-radius: 999px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.sticky-cta span {
  font-size: 14px;
  font-weight: 800;
}

.sticky-cta a {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 9px 18px;
  color: var(--white);
  font-weight: 800;
  background: var(--sage-dark);
  border-radius: 999px;
}

@media (max-width: 980px) {
  .header-nav {
    display: none;
  }

  .header-cta {
    margin-left: auto;
  }

  .support-grid,
  .policy-grid,
  .flow-list {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-column,
  .trust-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .site-header {
    min-height: 64px;
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .brand small,
  .header-cta {
    display: none;
  }

  .hero {
    display: flex;
    flex-direction: column;
    min-height: 0;
    padding-top: 64px;
    background: var(--white);
  }

  .hero picture {
    position: relative;
    order: 1;
    inset: auto;
    height: 245px;
    overflow: hidden;
  }

  .hero picture img {
    position: static;
    width: 132%;
    max-width: none;
    height: 100%;
    transform: translateX(-18%);
    object-position: 62% center;
  }

  .hero-overlay {
    display: none;
  }

  .hero-content {
    order: 2;
    width: calc(100% - 30px);
    padding: 32px 0 34px;
    margin-left: 15px;
  }

  h1 {
    font-size: 36px;
  }

  .lead {
    font-size: 16px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
  }

  .support-grid,
  .policy-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .support-grid article,
  .flow-list li {
    min-height: auto;
  }

  .sticky-cta {
    right: 12px;
    bottom: 12px;
    left: 12px;
    justify-content: space-between;
    border-radius: 18px;
  }

  .sticky-cta span {
    max-width: 48%;
    line-height: 1.35;
  }

  .sticky-cta a {
    flex: 1;
    justify-content: center;
    padding-left: 12px;
    padding-right: 12px;
  }
}