:root {
  --ink: #172724;
  --muted: #5e716d;
  --green: #1f7569;
  --green-deep: #123f38;
  --green-soft: #e7f2ee;
  --blue: #2e6f9f;
  --blue-soft: #e8f2f7;
  --gold: #d49a38;
  --coral: #b85a43;
  --paper: #f7faf6;
  --surface: #ffffff;
  --line: #dce7e1;
  --shadow: 0 22px 50px rgba(22, 57, 51, 0.12);
  --container: min(1160px, calc(100vw - 96px));
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.82;
}

body.nav-open {
  overflow: hidden;
}

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

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

a:focus-visible,
button:focus-visible {
  outline: 3px solid rgba(212, 154, 56, 0.55);
  outline-offset: 3px;
}

.sr-only,
.skip-link {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link:focus {
  z-index: 60;
  top: 14px;
  left: 14px;
  width: auto;
  height: auto;
  padding: 10px 14px;
  clip: auto;
  border-radius: 6px;
  background: var(--surface);
  color: var(--green-deep);
  font-weight: 900;
}

.container {
  width: var(--container);
  margin-inline: auto;
}

.site-header {
  position: fixed;
  z-index: 30;
  inset: 0 0 auto;
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 12px max(48px, calc((100vw - 1160px) / 2));
  background: rgba(247, 250, 246, 0.92);
  border-bottom: 1px solid rgba(220, 231, 225, 0.9);
  backdrop-filter: blur(16px);
  transition: background 180ms ease, box-shadow 180ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 14px 34px rgba(23, 43, 40, 0.08);
}

.brand {
  display: inline-flex;
  flex: 0 0 auto;
}

.brand img {
  width: 220px;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
}

.site-nav a {
  min-height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 11px;
  border-radius: 999px;
  color: #334a46;
  font-size: 0.92rem;
  font-weight: 900;
  line-height: 1.2;
  transition: background 160ms ease, color 160ms ease, transform 160ms ease;
}

.site-nav a:hover {
  color: var(--green-deep);
  background: var(--green-soft);
  transform: translateY(-1px);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--surface);
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(23, 43, 40, 0.12);
}

.nav-toggle span:not(.sr-only) {
  display: block;
  width: 18px;
  height: 2px;
  margin: 3px auto;
  background: var(--green-deep);
  transition: opacity 160ms ease, transform 160ms ease;
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

.hero {
  position: relative;
  min-height: 84svh;
  display: grid;
  align-items: end;
  overflow: hidden;
  padding: 116px max(48px, calc((100vw - 1160px) / 2)) 0;
  background: var(--green-deep);
}

.hero-image,
.hero-shade {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.hero-image {
  object-fit: cover;
  object-position: 62% center;
}

.hero-shade {
  background:
    linear-gradient(90deg, rgba(9, 36, 33, 0.92) 0%, rgba(16, 61, 55, 0.74) 44%, rgba(16, 61, 55, 0.18) 78%),
    linear-gradient(0deg, rgba(9, 36, 33, 0.78) 0%, rgba(9, 36, 33, 0) 54%);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  padding-bottom: clamp(34px, 7vh, 64px);
  color: #ffffff;
}

.eyebrow,
.section-label {
  margin: 0 0 14px;
  color: var(--coral);
  font-size: 0.84rem;
  font-weight: 950;
  letter-spacing: 0;
}

.hero .eyebrow {
  color: #f4c86b;
}

.hero h1 {
  max-width: 730px;
  margin: 0;
  font-size: clamp(2.7rem, 6vw, 4.9rem);
  line-height: 1.13;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 670px;
  margin: 24px 0 0;
  color: rgba(255, 255, 255, 0.94);
  font-size: 1.12rem;
  font-weight: 700;
}

.hero-facts {
  position: relative;
  z-index: 1;
  width: min(960px, 100%);
  display: grid;
  grid-template-columns: 0.75fr 1.2fr 0.65fr;
  gap: 1px;
  background: rgba(255, 255, 255, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.28);
}

.hero-facts div {
  min-height: 92px;
  display: grid;
  align-content: center;
  gap: 2px;
  padding: 18px 22px;
  background: rgba(8, 37, 34, 0.34);
  backdrop-filter: blur(10px);
}

.hero-facts span {
  color: #f4c86b;
  font-size: 0.78rem;
  font-weight: 900;
}

.hero-facts strong {
  color: #ffffff;
  line-height: 1.4;
}

.section {
  padding: clamp(72px, 9vw, 112px) 0;
}

.section-heading h2,
.section h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3rem);
  line-height: 1.28;
  letter-spacing: 0;
}

.section-heading p:not(.section-label),
.section p {
  color: var(--muted);
}

.section-heading.narrow {
  max-width: 760px;
  margin-bottom: 34px;
}

.about-section {
  background: #ffffff;
}

.about-layout,
.learning-layout,
.vision-layout,
.access-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  gap: clamp(32px, 6vw, 76px);
  align-items: start;
}

.about-copy {
  display: grid;
  gap: 18px;
}

.about-copy p,
.learning-copy p {
  margin: 0;
  color: #2e4642;
  font-size: 1.05rem;
  font-weight: 650;
}

.support-section {
  background: var(--paper);
  border-block: 1px solid var(--line);
}

.support-list {
  display: grid;
  border-top: 1px solid var(--line);
}

.support-list article {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 24px;
  align-items: start;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.support-list span {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: #ffffff;
  color: var(--green);
  font-weight: 950;
  box-shadow: inset 0 0 0 1px var(--line);
}

.support-list h3 {
  margin: 0;
  font-size: 1.34rem;
  line-height: 1.4;
}

.support-list p {
  max-width: 760px;
  margin: 10px 0 0;
}

.learning-section {
  background: linear-gradient(90deg, #ffffff 0%, #ffffff 54%, var(--blue-soft) 54%, var(--blue-soft) 100%);
}

.learning-copy {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 34px);
  border-left: 5px solid var(--gold);
  background: rgba(255, 255, 255, 0.78);
}

.vision-section {
  background: #ffffff;
  border-block: 1px solid var(--line);
}

.vision-content {
  display: grid;
  gap: 28px;
}

.vision-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.vision-grid article {
  min-height: 210px;
  padding: 24px;
  background: #ffffff;
}

.vision-grid span {
  display: inline-flex;
  margin-bottom: 18px;
  color: var(--green);
  font-size: 0.86rem;
  font-weight: 950;
}

.vision-grid h3,
.message-panels h3 {
  margin: 0;
  font-size: 1.18rem;
  line-height: 1.42;
}

.vision-grid p,
.message-panels p {
  margin: 12px 0 0;
  color: var(--muted);
}

.message-panels {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.message-panels article {
  min-height: 190px;
  padding: 26px;
  border-radius: 8px;
  background: var(--green-soft);
}

.message-panels article:nth-child(2) {
  background: var(--blue-soft);
}

.access-section {
  padding: clamp(62px, 8vw, 94px) 0;
  background: #edf4f0;
}

.access-layout {
  grid-template-columns: minmax(220px, 0.7fr) minmax(260px, 1fr) auto;
  align-items: end;
}

address {
  color: #2d4642;
  font-style: normal;
  font-size: 1.06rem;
  font-weight: 800;
}

.access-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: flex-end;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-weight: 950;
  line-height: 1.35;
  transition: transform 160ms ease, background 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

.map-button {
  background: var(--green-deep);
  color: #ffffff;
}

.site-footer {
  padding: 30px 0;
  background: #173b36;
  color: #ffffff;
}

.footer-inner {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.footer-logo {
  display: inline-flex;
  width: 206px;
  padding: 8px 10px;
  border-radius: 8px;
  background: #ffffff;
}

.footer-copy {
  display: grid;
  gap: 6px;
}

.footer-copy p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
  font-weight: 750;
}

.footer-copy a {
  width: fit-content;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  font-weight: 850;
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 980px) {
  :root {
    --container: min(100vw - 42px, 1160px);
  }

  .site-header {
    min-height: 74px;
    padding: 10px 21px;
  }

  .brand img {
    width: 198px;
  }

  .nav-toggle {
    display: grid;
  }

  .site-nav {
    position: fixed;
    inset: 74px 0 auto;
    display: grid;
    gap: 0;
    padding: 8px 21px 18px;
    background: rgba(247, 250, 246, 0.98);
    border-bottom: 1px solid var(--line);
    box-shadow: 0 22px 52px rgba(23, 43, 40, 0.12);
    transform: translateY(-125%);
    visibility: hidden;
    transition: transform 180ms ease, visibility 180ms ease;
  }

  body.nav-open .site-nav {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a {
    width: 100%;
    justify-content: flex-start;
    min-height: 52px;
    padding: 12px 10px;
    border-bottom: 1px solid var(--line);
    border-radius: 0;
  }

  .hero {
    min-height: 84svh;
    padding: 108px 21px 0;
  }

  .hero-shade {
    background:
      linear-gradient(90deg, rgba(9, 36, 33, 0.94) 0%, rgba(16, 61, 55, 0.84) 60%, rgba(16, 61, 55, 0.38) 100%),
      linear-gradient(0deg, rgba(9, 36, 33, 0.78) 0%, rgba(9, 36, 33, 0) 54%);
  }

  .hero-facts,
  .about-layout,
  .learning-layout,
  .vision-layout,
  .access-layout,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .access-actions {
    justify-content: flex-start;
  }
}

@media (max-width: 640px) {
  :root {
    --container: min(100vw - 28px, 1160px);
  }

  .brand img {
    width: 178px;
  }

  .hero {
    padding-top: 102px;
  }

  .hero h1 {
    font-size: 2.55rem;
  }

  .hero-lead {
    font-size: 1rem;
  }

  .hero-facts div {
    min-height: 74px;
    padding: 14px 16px;
  }

  .section {
    padding: 62px 0;
  }

  .support-list article {
    grid-template-columns: 1fr;
    gap: 12px;
    padding: 24px 0;
  }

  .support-list span {
    width: 46px;
    height: 46px;
  }

  .learning-section {
    background: #ffffff;
  }

  .learning-copy {
    padding: 22px 0 0 18px;
    background: transparent;
  }

  .vision-grid,
  .message-panels {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
  }
}