:root {
  --ink: #1f302c;
  --sub: #5d6e69;
  --line: #dbe6e1;
  --paper: #f8fbf8;
  --white: #ffffff;
  --green: #1f6654;
  --green-deep: #153f36;
  --mint: #e6f2ed;
  --blue: #eaf3f7;
  --gold: #c9984a;
  --warm: #f3eadf;
  --shadow: 0 18px 50px rgba(31, 48, 44, 0.14);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

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

.site-header {
  position: fixed;
  z-index: 20;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  gap: 28px;
  min-height: 74px;
  padding: 12px clamp(18px, 4vw, 56px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(219, 230, 225, 0.86);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 280px;
}

.brand-mark {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  width: 44px;
  height: 44px;
  color: var(--white);
  font-weight: 800;
  background: var(--green-deep);
  border-radius: 50%;
}

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

.brand strong {
  line-height: 1.2;
}

.brand small {
  color: var(--sub);
  font-size: 12px;
  line-height: 1.45;
}

.header-nav {
  display: flex;
  gap: 22px;
  margin-left: auto;
  color: var(--sub);
  font-size: 14px;
  white-space: nowrap;
}

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

.header-cta,
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 11px 22px;
  font-weight: 800;
  border-radius: 999px;
}

.header-cta,
.button.primary {
  color: var(--white);
  background: var(--green);
  box-shadow: 0 12px 28px rgba(31, 102, 84, 0.22);
}

.button.secondary {
  color: var(--green-deep);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(31, 102, 84, 0.22);
}

.button.mail {
  background: transparent;
}

.hero {
  position: relative;
  min-height: 760px;
  overflow: hidden;
  background: var(--white);
}

.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-shade {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(248, 251, 248, 0.96) 0%, rgba(248, 251, 248, 0.86) 34%, rgba(248, 251, 248, 0.1) 68%),
    linear-gradient(180deg, rgba(248, 251, 248, 0.4) 0%, rgba(248, 251, 248, 0.82) 100%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(860px, calc(100% - 36px));
  padding: 168px 0 86px clamp(18px, 6vw, 84px);
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

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

h1 {
  margin-bottom: 22px;
  font-size: clamp(36px, 4.4vw, 64px);
  line-height: 1.16;
  letter-spacing: 0;
}

@media (min-width: 681px) {
  .hero h1 {
    white-space: nowrap;
  }
}

h2 {
  margin-bottom: 22px;
  font-size: clamp(28px, 3.4vw, 46px);
  line-height: 1.24;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
}

.lead {
  max-width: 620px;
  margin-bottom: 28px;
  color: #344942;
  font-size: 18px;
}

.lead-mobile {
  display: none;
}

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

.hero-actions.center {
  justify-content: center;
}

.hero-note {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.hero-note span {
  padding: 8px 14px;
  color: var(--green-deep);
  font-size: 14px;
  font-weight: 800;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(31, 102, 84, 0.16);
  border-radius: 999px;
}

.mobile-hero-photo {
  display: none;
}

.section {
  padding: clamp(72px, 9vw, 120px) 0;
}

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

.split {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: clamp(36px, 6vw, 72px);
  align-items: start;
}

.intro-copy,
.trust-points {
  color: var(--sub);
  font-size: 17px;
}

.problem-band {
  background: var(--white);
}

.problem-grid,
.support-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
  margin-top: 34px;
}

.problem-grid article,
.support-grid article {
  min-height: 210px;
  padding: 26px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.problem-grid p,
.support-grid p,
.steps p,
.faq p,
.local-layout p {
  color: var(--sub);
}

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

.support-grid article {
  background: rgba(255, 255, 255, 0.82);
}

.support-grid span,
.steps span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 900;
}

.local-section {
  background: var(--white);
}

.local-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.92fr);
  gap: clamp(32px, 6vw, 72px);
  align-items: center;
}

.local-image-wrap {
  overflow: hidden;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.local-image-wrap img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.roadmap {
  background: var(--green-deep);
  color: var(--white);
}

.roadmap .section-kicker,
.roadmap .steps span {
  color: #d9b36b;
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  padding: 0;
  margin: 36px 0 0;
  list-style: none;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  overflow: hidden;
}

.steps li {
  min-height: 260px;
  padding: 28px;
  background: rgba(255, 255, 255, 0.08);
}

.steps p {
  color: rgba(255, 255, 255, 0.78);
}

.trust {
  background: linear-gradient(135deg, var(--blue), var(--white));
}

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

details {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
}

summary {
  cursor: pointer;
  padding: 20px 24px;
  font-weight: 800;
}

details p {
  padding: 0 24px 22px;
  margin: 0;
}

.final-cta {
  padding: 94px 0 120px;
  text-align: center;
  background: var(--warm);
}

.final-inner {
  width: min(820px, calc(100% - 36px));
  margin: 0 auto;
}

.final-inner p {
  color: var(--sub);
}

.sticky-cta {
  position: fixed;
  z-index: 30;
  right: 24px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 16px;
  max-width: calc(100% - 36px);
  padding: 12px;
  color: var(--white);
  background: rgba(21, 63, 54, 0.94);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 8px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.sticky-cta strong,
.sticky-cta span {
  display: block;
  line-height: 1.35;
}

.sticky-cta span {
  color: rgba(255, 255, 255, 0.74);
  font-size: 12px;
}

.sticky-cta a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 8px 16px;
  color: var(--green-deep);
  font-weight: 900;
  white-space: nowrap;
  background: var(--white);
  border-radius: 999px;
}

@media (max-width: 980px) {
  .site-header {
    gap: 16px;
  }

  .header-nav {
    display: none;
  }

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

  .split,
  .local-layout {
    grid-template-columns: 1fr;
  }

  .problem-grid,
  .support-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 680px) {
  .site-header {
    min-height: 66px;
    padding: 10px 14px;
  }

  .brand {
    min-width: 0;
  }

  .brand-mark {
    width: 38px;
    height: 38px;
  }

  .brand strong {
    font-size: 14px;
  }

  .brand small {
    display: none;
  }

  .header-cta {
    min-height: 40px;
    padding: 8px 12px;
    font-size: 13px;
  }

  .hero {
    min-height: auto;
    background: var(--paper);
  }

  .hero-image {
    display: none;
  }

  .hero-shade {
    display: none;
  }

  .hero-content {
    width: 100%;
    padding: 66px 20px 38px;
  }

  h1 {
    font-size: clamp(25px, 6.8vw, 28px);
    line-height: 1.32;
    white-space: nowrap;
  }

  h2 {
    font-size: 28px;
  }

  .lead {
    font-size: 16px;
    margin-bottom: 18px;
  }

  .lead-desktop {
    display: none;
  }

  .lead-mobile {
    display: block;
  }

  .mobile-hero-photo {
    display: block;
    overflow: hidden;
    margin: 0 -20px 32px;
    border: 0;
    border-radius: 0;
    box-shadow: none;
  }

  .mobile-hero-photo img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    object-position: center 44%;
  }

  .button {
    width: 100%;
    padding: 11px 16px;
  }

  .problem-grid,
  .support-grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .problem-grid article,
  .support-grid article,
  .steps li {
    min-height: auto;
  }

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

  .sticky-cta strong {
    font-size: 14px;
  }
}
