:root {
  --bg: #fbfbf8;
  --surface: #ffffff;
  --surface-soft: #f2f6f3;
  --ink: #1f2a2a;
  --muted: #5f6d6b;
  --line: #dde5df;
  --accent: #0f766e;
  --accent-dark: #0a544e;
  --warm: #bd6946;
  --warm-soft: #fff1e9;
  --shadow: 0 18px 50px rgba(31, 42, 42, 0.08);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family:
    -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans",
    "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  line-height: 1.8;
}

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

.externalLinkHost {
  display: contents;
}

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

.shell {
  width: min(100% - 32px, 1080px);
  margin-inline: auto;
}

.narrow {
  width: min(100% - 32px, 880px);
}

.skipLink {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 20;
  transform: translateY(-160%);
  border-radius: var(--radius);
  background: var(--ink);
  color: #fff;
  padding: 8px 12px;
}

.skipLink:focus {
  transform: translateY(0);
}

.siteHeader {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(221, 229, 223, 0.9);
  background: rgba(251, 251, 248, 0.94);
  backdrop-filter: blur(14px);
}

.headerInner {
  display: grid;
  gap: 10px;
  padding: 14px 0 12px;
}

.siteLogo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  width: fit-content;
  font-weight: 800;
  letter-spacing: 0;
}

.siteLogo__mark {
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: var(--radius);
  background: var(--accent);
  color: #fff;
  font-size: 17px;
  line-height: 1;
}

.siteLogo__text {
  font-size: 14px;
}

.siteNav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.siteNav a {
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.2;
  padding: 9px 12px;
}

.siteNav a:hover,
.siteNav a:focus-visible {
  border-color: rgba(15, 118, 110, 0.45);
  color: var(--accent-dark);
  outline: none;
}

.hero {
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(135deg, rgba(242, 246, 243, 0.96), rgba(255, 241, 233, 0.72)),
    var(--bg);
}

.heroInner {
  display: grid;
  gap: 28px;
  padding: 46px 0 40px;
}

.heroCopy,
.pageHero {
  min-width: 0;
}

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

h1 {
  margin-top: 10px;
  font-size: clamp(27px, 7vw, 46px);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0;
}

.heroTitle {
  display: flex;
  flex-wrap: wrap;
  column-gap: 0.18em;
  row-gap: 0.08em;
  max-width: 13.5em;
  font-size: clamp(27px, 5.2vw, 46px);
  line-height: 1.16;
  word-break: keep-all;
  overflow-wrap: normal;
}

.heroTitle span {
  white-space: nowrap;
}

h2 {
  font-size: clamp(22px, 5vw, 32px);
  font-weight: 900;
  line-height: 1.28;
  letter-spacing: 0;
}

h3 {
  font-size: 18px;
  font-weight: 850;
  line-height: 1.45;
  letter-spacing: 0;
}

.lead {
  margin-top: 18px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.9;
}

.buttonRow {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 24px;
}

.buttonLink {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 46px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 800;
  line-height: 1.3;
  padding: 12px 16px;
  transition:
    background 160ms ease,
    border-color 160ms ease,
    transform 160ms ease;
}

.buttonLink:hover,
.buttonLink:focus-visible {
  transform: translateY(-1px);
  outline: none;
}

.buttonLink--primary {
  background: var(--accent);
  color: #fff;
}

.buttonLink--primary:hover,
.buttonLink--primary:focus-visible {
  background: var(--accent-dark);
}

.buttonLink--secondary {
  border-color: rgba(15, 118, 110, 0.22);
  background: var(--surface);
  color: var(--accent-dark);
}

.buttonLink--secondary:hover,
.buttonLink--secondary:focus-visible {
  border-color: rgba(15, 118, 110, 0.45);
}

.buttonLink--quiet {
  border-color: transparent;
  background: transparent;
  color: var(--ink);
  padding-inline: 4px;
}

.guideVisual {
  position: relative;
  display: grid;
  gap: 14px;
  border: 1px solid rgba(15, 118, 110, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.78);
  box-shadow: var(--shadow);
  padding: 18px;
}

.guideVisual__top {
  display: flex;
  justify-content: space-between;
  color: var(--muted);
  font-size: 12px;
  font-weight: 800;
}

.guideVisual__route {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 8px;
  min-height: 42px;
}

.guideVisual__route::before,
.guideVisual__route::after {
  content: "";
  height: 2px;
  background: var(--line);
}

.guideVisual__route span {
  display: block;
  width: 10px;
  height: 10px;
  border-radius: 999px;
  background: var(--warm);
}

.guideVisual__panel {
  display: grid;
  gap: 2px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 14px;
}

.guideVisual__panel--soft {
  background: var(--surface-soft);
}

.guideVisual__panel strong {
  font-size: 18px;
}

.guideVisual__panel small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.section {
  padding: 46px 0;
}

.section--stacked {
  padding-top: 24px;
}

.sectionHead {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

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

.featureGrid,
.reportGrid {
  display: grid;
  gap: 14px;
}

.featureCard,
.reportCard,
.contentBox,
.noticeBox,
.beginnerCallout {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.featureCard {
  display: grid;
  gap: 18px;
  min-height: 220px;
  padding: 20px;
}

.featureCard p {
  margin-top: 10px;
  color: var(--muted);
}

.pageHero {
  padding: 42px 0 18px;
}

.pageHero--simple {
  padding-bottom: 54px;
}

.noticeBox {
  margin-top: 22px;
  border-color: rgba(189, 105, 70, 0.28);
  background: var(--warm-soft);
  color: #654230;
  padding: 16px;
}

.areaBox {
  margin-top: 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  padding: 16px;
}

.areaBox h2 {
  font-size: 18px;
  line-height: 1.35;
}

.areaBox p {
  margin-top: 8px;
  color: var(--muted);
}

.beginnerCallout {
  display: grid;
  gap: 16px;
  margin-top: 16px;
  padding: 18px;
}

.beginnerCallout h2 {
  font-size: 19px;
}

.beginnerCallout p {
  margin-top: 8px;
  color: var(--muted);
}

.reportSection + .reportSection {
  margin-top: 42px;
}

.reportCard {
  display: grid;
  gap: 14px;
  padding: 18px;
}

.reportCard__meta {
  display: flex;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

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

.tagList {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.tagList li {
  border: 1px solid rgba(15, 118, 110, 0.18);
  border-radius: 999px;
  background: var(--surface-soft);
  color: var(--accent-dark);
  font-size: 12px;
  font-weight: 800;
  line-height: 1.2;
  padding: 7px 10px;
}

.contentBox {
  display: grid;
  gap: 16px;
  margin-top: 22px;
  padding: 20px;
}

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

.siteFooter {
  border-top: 1px solid var(--line);
  background: var(--surface);
}

.footerInner {
  display: grid;
  gap: 6px;
  padding: 24px 0;
  color: var(--muted);
  font-size: 13px;
}

.footerInner p:first-child {
  color: var(--ink);
  font-weight: 850;
}

@media (min-width: 720px) {
  .headerInner {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .siteLogo__text {
    font-size: 15px;
  }

  .siteNav {
    justify-content: flex-end;
  }

  .heroInner {
    grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
    align-items: center;
    padding: 70px 0;
  }

  .featureGrid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

  .beginnerCallout {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .featureCard,
  .reportCard,
  .contentBox {
    padding: 24px;
  }
}

@media (max-width: 420px) {
  .buttonLink {
    width: 100%;
  }

  .siteLogo {
    align-items: flex-start;
  }

  .siteLogo__text {
    max-width: 15rem;
  }
}