:root {
  color-scheme: light;
  --ink: #17352f;
  --ink-soft: #355a51;
  --muted: #5d746e;
  --paper: #ffffff;
  --mist: #f3f8f5;
  --mist-strong: #e7f1ec;
  --line: #cfdfd8;
  --leaf: #24725d;
  --leaf-dark: #155342;
  --sky: #2f7897;
  --sky-soft: #dceef4;
  --water: #2c8b91;
  --sun: #e4a83b;
  --sun-soft: #fff2d5;
  --danger: #963f3f;
  --shadow: 0 18px 48px rgba(28, 71, 59, 0.1);
  --content: 1120px;
  --measure: 720px;
  --radius: 8px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--mist);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic UI", "Yu Gothic", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  text-rendering: optimizeLegibility;
}

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: var(--leaf-dark);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--sky);
}

:focus-visible {
  outline: 2px solid #fff;
  outline-offset: 2px;
  box-shadow: 0 0 0 5px #6d4300;
}

:target {
  scroll-margin-top: 96px;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: 10px;
  left: 10px;
  padding: 10px 14px;
  transform: translateY(-160%);
  border-radius: 6px;
  background: var(--ink);
  color: #fff;
  text-decoration: none;
}

.skip-link:focus {
  transform: translateY(0);
}

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(207, 223, 216, 0.92);
  background: rgba(255, 255, 255, 0.97);
}

.header-inner,
.section-inner,
.footer-inner {
  width: min(calc(100% - 40px), var(--content));
  margin-inline: auto;
}

.header-inner {
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  min-width: max-content;
  align-items: center;
  gap: 10px;
  color: var(--ink);
  font-weight: 800;
  letter-spacing: 0.01em;
  text-decoration: none;
}

.brand img {
  width: 38px;
  height: 38px;
}

.brand-wordmark {
  display: grid;
  font-size: 1.03rem;
  letter-spacing: -0.015em;
  line-height: 1.1;
}

.brand-wx {
  color: var(--sky);
}

.brand-wordmark small {
  margin-top: 4px;
  color: var(--muted);
  font-size: 10px;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.global-nav ul {
  display: flex;
  margin: 0;
  padding: 0;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  list-style: none;
}

.global-nav a {
  display: inline-flex;
  min-height: 44px;
  align-items: center;
  padding: 8px 12px;
  border-radius: 6px;
  color: var(--ink-soft);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.global-nav a:hover,
.global-nav a[aria-current="page"] {
  background: var(--mist-strong);
  color: var(--leaf-dark);
}

main {
  overflow: clip;
}

.hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(circle at 86% 20%, rgba(47, 120, 151, 0.12), transparent 28%),
    linear-gradient(135deg, #ffffff 0%, #f4faf7 58%, #eef7f8 100%);
}

.hero-inner {
  display: grid;
  min-height: 500px;
  padding-block: 44px 48px;
  align-items: center;
  grid-template-columns: minmax(0, 1.18fr) minmax(340px, 0.82fr);
  gap: 52px;
}

.eyebrow {
  display: inline-flex;
  margin: 0 0 14px;
  align-items: center;
  gap: 8px;
  color: var(--leaf);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.eyebrow::before {
  width: 28px;
  height: 2px;
  background: currentColor;
  content: "";
}

.hero h1,
.page-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(2.35rem, 4vw, 3.6rem);
  line-height: 1.1;
  letter-spacing: -0.035em;
}

.hero h1 span {
  display: block;
  margin-top: 5px;
  color: var(--leaf);
}

.hero-lede,
.page-lede {
  max-width: 660px;
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: clamp(1rem, 2vw, 1.17rem);
  line-height: 1.75;
}

.hero-actions,
.section-actions {
  display: flex;
  margin-top: 30px;
  flex-wrap: wrap;
  gap: 12px;
}

.hero-actions {
  margin-top: 24px;
}

.button {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid var(--leaf);
  border-radius: 7px;
  background: var(--leaf);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button:hover {
  border-color: var(--leaf-dark);
  background: var(--leaf-dark);
  color: #fff;
}

.button.secondary {
  border-color: var(--line);
  background: #fff;
  color: var(--ink);
}

.button.secondary:hover {
  border-color: var(--leaf);
  background: var(--mist-strong);
  color: var(--leaf-dark);
}

.button.compact {
  min-height: 44px;
  padding: 8px 14px;
  font-size: 14px;
}

.hero-visual {
  display: grid;
  min-height: 0;
  align-items: center;
  justify-items: end;
}

.hero-visual picture {
  display: block;
  width: min(410px, 100%);
  aspect-ratio: 4 / 3;
}

.hero-visual img {
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: contain;
  border: 1px solid rgba(36, 114, 93, 0.2);
  border-radius: var(--radius);
  background: #f8fbf9;
  box-shadow: 0 22px 56px rgba(28, 71, 59, 0.13);
}

.section {
  padding-block: 76px;
}

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

.section.compact-section {
  padding-block: 54px;
}

.section-heading {
  display: grid;
  max-width: var(--measure);
  gap: 10px;
}

.section-heading.centered {
  margin-inline: auto;
  text-align: center;
}

.section-heading h2,
.content-block h2 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(1.75rem, 4vw, 2.55rem);
  line-height: 1.3;
  letter-spacing: -0.025em;
}

.section-heading p,
.content-block > p {
  margin: 0;
  color: var(--muted);
  line-height: 1.85;
}

.cards {
  display: grid;
  margin-top: 32px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.tool-card,
.link-card,
.policy-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.card {
  padding: 24px;
}

.card-icon {
  display: grid;
  width: 46px;
  height: 46px;
  margin-bottom: 18px;
  place-items: center;
  border-radius: 50%;
  background: var(--mist-strong);
  color: var(--leaf-dark);
  font-size: 21px;
  font-weight: 900;
}

.card h3,
.tool-card h2,
.tool-card h3,
.link-card h3,
.policy-card h2 {
  margin: 0;
  line-height: 1.4;
}

.card p,
.tool-card p,
.link-card p,
.policy-card p,
.policy-card li {
  color: var(--muted);
}

.card p,
.link-card p {
  margin: 10px 0 0;
}

.tools-grid {
  display: grid;
  margin-top: 32px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px;
}

.tool-card {
  position: relative;
  display: flex;
  min-height: 260px;
  padding: 26px;
  flex-direction: column;
  border-top: 4px solid var(--sky);
}

.tool-card:nth-child(2) { border-top-color: var(--leaf); }
.tool-card:nth-child(3) { border-top-color: var(--water); }
.tool-card:nth-child(4) { border-top-color: var(--sun); }

.tool-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.tool-number {
  display: block;
  margin-bottom: 5px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.status {
  display: inline-flex;
  min-height: 28px;
  align-items: center;
  padding: 3px 9px;
  border: 1px solid #b8d8ca;
  border-radius: 999px;
  background: #edf7f2;
  color: var(--leaf-dark);
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.status.beta {
  border-color: #bddce0;
  background: #edf8fa;
  color: #226770;
}

.tool-card p {
  margin: 14px 0 22px;
}

.tool-card .button {
  margin-top: auto;
  align-self: flex-start;
}

.link-grid {
  display: grid;
  margin-top: 32px;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.link-card {
  display: flex;
  min-height: 210px;
  padding: 24px;
  flex-direction: column;
}

.service-mark {
  display: inline-grid;
  width: 42px;
  height: 42px;
  margin-bottom: 16px;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 7px;
  background: var(--mist);
  color: var(--ink);
  font-size: 14px;
  font-weight: 900;
}

.service-mark.youtube {
  border-color: #f0cccc;
  background: #fff3f3;
  color: #b32626;
}

.service-mark.note {
  color: #24645b;
}

.link-card a {
  margin-top: auto;
  font-weight: 800;
}

.vision-panel {
  display: grid;
  padding: 36px;
  border: 1px solid #c7ded6;
  border-radius: var(--radius);
  background: linear-gradient(135deg, #ffffff, #edf7f2);
  grid-template-columns: minmax(0, 1.45fr) minmax(240px, 0.55fr);
  gap: 32px;
  box-shadow: var(--shadow);
}

.vision-panel h2 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 2.65rem);
  line-height: 1.3;
}

.vision-panel p {
  margin: 14px 0 0;
  color: var(--muted);
}

.vision-panel .section-actions {
  margin: 0;
  align-content: center;
  justify-content: flex-end;
}

.updates {
  margin: 28px 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
  list-style: none;
}

.updates li {
  display: grid;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
  grid-template-columns: 120px minmax(0, 1fr);
  gap: 18px;
}

.updates time {
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

.page-hero {
  padding-block: 68px 54px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #fff, #eef7f3);
}

.page-hero h1 {
  font-size: clamp(2.2rem, 5vw, 3.7rem);
}

.breadcrumb {
  display: flex;
  margin: 0 0 18px;
  padding: 0;
  flex-wrap: wrap;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
  list-style: none;
}

.breadcrumb li:not(:last-child)::after {
  margin-left: 8px;
  color: #90a49e;
  content: "/";
}

.two-column {
  display: grid;
  align-items: start;
  grid-template-columns: minmax(0, 1fr) minmax(260px, 0.55fr);
  gap: 44px;
}

.content-block {
  max-width: var(--measure);
}

.content-block + .content-block {
  margin-top: 50px;
}

.content-block h3 {
  margin: 28px 0 8px;
  font-size: 1.25rem;
}

.content-block p,
.content-block li {
  color: var(--ink-soft);
}

.content-block p {
  margin: 14px 0 0;
}

.content-block ul,
.content-block ol {
  margin: 18px 0 0;
  padding-left: 1.4em;
}

.aside-panel {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--paper);
}

.aside-panel h2,
.aside-panel h3 {
  margin-top: 0;
}

.aside-panel p,
.aside-panel li {
  color: var(--muted);
}

.timeline {
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
}

.timeline li {
  position: relative;
  padding: 0 0 30px 34px;
  border-left: 2px solid var(--line);
}

.timeline li:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.timeline li::before {
  position: absolute;
  top: 3px;
  left: -8px;
  width: 14px;
  height: 14px;
  border: 3px solid var(--paper);
  border-radius: 50%;
  background: var(--leaf);
  box-shadow: 0 0 0 1px var(--leaf);
  content: "";
}

.timeline strong {
  display: block;
  margin-bottom: 6px;
}

.timeline p {
  margin: 0;
  color: var(--muted);
}

.policy-grid {
  display: grid;
  gap: 18px;
}

.policy-card {
  padding: 26px;
}

.policy-card h2 {
  font-size: 1.35rem;
}

.policy-card p:last-child,
.policy-card ul:last-child {
  margin-bottom: 0;
}

.notice {
  padding: 16px 18px;
  border-left: 4px solid var(--sky);
  background: var(--sky-soft);
  color: var(--ink-soft);
}

.site-footer {
  padding-block: 42px 28px;
  border-top: 1px solid var(--line);
  background: #163d34;
  color: #e8f2ee;
}

.footer-main {
  display: grid;
  grid-template-columns: minmax(240px, 1.2fr) minmax(0, 0.8fr);
  gap: 36px;
}

.footer-brand {
  color: #fff;
  font-size: 1.25rem;
  font-weight: 900;
}

.site-footer p {
  max-width: 620px;
  margin: 8px 0 0;
  color: #bdd0ca;
}

.footer-links {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  align-content: start;
  justify-content: flex-end;
  gap: 6px 18px;
  list-style: none;
}

.site-footer a,
.footer-link-button {
  color: #fff;
}

.footer-link-button {
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  text-decoration: underline;
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.footer-bottom {
  display: flex;
  margin-top: 30px;
  padding-top: 18px;
  border-top: 1px solid rgba(232, 242, 238, 0.18);
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  color: #a9c0b9;
  font-size: 12px;
}

.analytics-consent {
  position: fixed;
  z-index: 100;
  right: 18px;
  bottom: 18px;
  width: min(500px, calc(100% - 36px));
  padding: 20px;
  border: 1px solid #b9cec6;
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 20px 60px rgba(17, 54, 45, 0.25);
}

.analytics-consent[hidden] {
  display: none;
}

.analytics-consent h2 {
  margin: 0;
  font-size: 1.12rem;
}

.analytics-consent p {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 14px;
}

.consent-actions {
  display: grid;
  margin-top: 16px;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.consent-button {
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid var(--leaf);
  border-radius: 6px;
  background: var(--leaf);
  color: #fff;
  cursor: pointer;
  font-weight: 800;
}

.consent-button.secondary {
  border-color: var(--ink-soft);
  background: var(--ink-soft);
  color: #fff;
}

.consent-button:hover {
  filter: brightness(0.94);
}

.not-found {
  display: grid;
  min-height: calc(100vh - 260px);
  padding-block: 80px;
  place-items: center;
  text-align: center;
}

.not-found strong {
  color: var(--leaf);
  font-size: clamp(4rem, 16vw, 8rem);
  line-height: 1;
}

.not-found h1 {
  margin: 18px 0 0;
  font-size: clamp(1.8rem, 5vw, 3rem);
}

.not-found p {
  max-width: 560px;
  color: var(--muted);
}

@media (min-width: 1100px) {
  .hero h1 span {
    white-space: nowrap;
  }
}

@media (max-width: 880px) {
  .header-inner {
    min-height: auto;
    padding-block: 10px;
    align-items: flex-start;
    flex-direction: column;
    gap: 8px;
  }

  .global-nav {
    width: 100%;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .global-nav ul {
    width: max-content;
    min-width: 100%;
    justify-content: flex-start;
  }

  .hero-inner {
    min-height: 0;
    padding-block: 40px 44px;
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .hero-visual {
    justify-items: center;
  }

  .hero-visual picture {
    width: min(420px, 90%);
  }

  .cards,
  .link-grid {
    grid-template-columns: 1fr;
  }

  .tools-grid,
  .two-column,
  .vision-panel,
  .footer-main {
    grid-template-columns: 1fr;
  }

  .vision-panel .section-actions,
  .footer-links {
    justify-content: flex-start;
  }

  .tool-card,
  .link-card {
    min-height: 0;
  }
}

@media (max-width: 560px) {
  .header-inner,
  .section-inner,
  .footer-inner {
    width: min(calc(100% - 28px), var(--content));
  }

  .brand-wordmark small {
    display: none;
  }

  .global-nav {
    overflow: visible;
  }

  .global-nav ul {
    width: 100%;
    min-width: 0;
    flex-wrap: wrap;
  }

  .global-nav a {
    min-height: 38px;
    padding: 6px 9px;
    font-size: 12px;
  }

  .hero-inner {
    padding-block: 34px 40px;
  }

  .hero h1 {
    font-size: clamp(2.05rem, 10vw, 2.5rem);
  }

  .hero-lede,
  .page-lede {
    font-size: 1rem;
  }

  .hero-actions,
  .section-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .button,
  .tool-card .button {
    width: 100%;
  }

  .hero-visual picture {
    width: min(310px, 100%);
  }

  .section {
    padding-block: 58px;
  }

  .card,
  .tool-card,
  .link-card,
  .policy-card,
  .aside-panel {
    padding: 20px;
  }

  .vision-panel {
    padding: 24px;
  }

  .updates li {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .page-hero {
    padding-block: 46px 40px;
  }

  .footer-bottom {
    align-items: flex-start;
    flex-direction: column;
  }

  .analytics-consent {
    right: 10px;
    bottom: 10px;
    width: calc(100% - 20px);
    padding: 16px;
  }

  :target {
    scroll-margin-top: 152px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

@media print {
  .site-header,
  .site-footer,
  .analytics-consent,
  .hero-visual,
  .button {
    display: none !important;
  }

  body {
    background: #fff;
    color: #000;
  }
}