:root {
  --bg: #f1f2f1;
  --surface: #ffffff;
  --soft: #e9eef2;
  --line: #c8ced3;
  --text: #20252b;
  --muted: #5f6870;
  --brand: #24577a;
  --brand-dark: #18384f;
  --navy: #20252b;
  --accent: #d6a21f;
  --danger: #b42318;
  --focus: #f2b705;
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Yu Gothic", "YuGothic", "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.8;
}

a {
  color: var(--brand-dark);
  text-underline-offset: .18em;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 4px solid var(--focus);
  outline-offset: 3px;
}

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

.skip-link {
  position: absolute;
  left: 1rem;
  top: .5rem;
  z-index: 100;
  transform: translateY(-150%);
  background: var(--navy);
  color: #fff;
  padding: .65rem 1rem;
  border-radius: .2rem;
}

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

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: .85rem 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  min-width: 0;
}

.brand-mark {
  display: grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: .25rem;
  background: var(--brand);
  color: #fff;
  font-size: 1.25rem;
}

.nav-toggle {
  display: none;
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: .2rem;
  padding: .5rem .7rem;
  font: inherit;
  white-space: nowrap;
}

.global-nav ul {
  display: flex;
  gap: .25rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.global-nav a {
  display: block;
  padding: .55rem .75rem;
  border-radius: .2rem;
  color: var(--text);
  text-decoration: none;
  font-weight: 650;
}

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

.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.breadcrumb {
  color: var(--muted);
  font-size: .92rem;
  margin: 1.35rem auto 0;
}

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: .35rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: .35rem;
  color: #8a9298;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.08fr) minmax(280px, .92fr);
  gap: clamp(1.25rem, 3vw, 2.5rem);
  align-items: center;
  padding: clamp(2rem, 4vw, 3.4rem) 0 2.6rem;
}

h1,
h2,
h3 {
  line-height: 1.38;
  color: var(--text);
}

h1 {
  position: relative;
  font-size: clamp(1.8rem, 3vw, 2.65rem);
  margin: 0 0 1.35rem;
  padding: .1rem 0 .2rem 1rem;
}

h1::before {
  content: "";
  position: absolute;
  left: 0;
  top: .33em;
  width: 5px;
  height: .95em;
  background: var(--accent);
}

h2 {
  position: relative;
  font-size: clamp(1.35rem, 2vw, 1.75rem);
  margin: 0 0 1.15rem;
  padding-top: .55rem;
}

h2::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4.5rem;
  height: 3px;
  background: linear-gradient(90deg, var(--brand) 0 62%, var(--accent) 62% 100%);
}

h3 {
  font-size: 1.08rem;
  margin: 0 0 .7rem;
}

.lead {
  font-size: 1.02rem;
  color: #38414a;
  margin: 0 0 1.45rem;
}

.section-lead {
  max-width: 46rem;
  margin: 0 0 1.35rem;
  color: var(--muted);
}

.hero h1 {
  padding-left: 0;
  border-bottom: 0;
}

.hero h1::before {
  display: none;
}

.feature-list {
  display: flex;
  flex-wrap: wrap;
  gap: .55rem;
  list-style: none;
  margin: 0 0 1.55rem;
  padding: 0;
}

.feature-list li {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: 0;
  color: var(--brand-dark);
  font-weight: 700;
  font-size: .92rem;
}

.feature-list li::before {
  content: "";
  width: .45rem;
  height: .45rem;
  background: var(--accent);
}

.hero-card,
.form-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: .25rem;
}

.panel,
.card {
  background: transparent;
  border: 0;
}

.hero-card {
  overflow: hidden;
}

.hero-card img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: var(--soft);
}

.hero-card figcaption {
  padding: .8rem 1rem;
  color: var(--muted);
  font-size: .92rem;
}

.section {
  padding: 2.35rem 0;
}

.section.alt {
  background: #fff;
}

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

.grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(2.25rem, 5vw, 4rem);
  row-gap: 2.75rem;
}

.card {
  padding: .25rem 0 0;
}

.owner-note {
  padding-top: .25rem;
}

.grid + .owner-note {
  margin-top: 1.2rem;
}

.mascot-callout h2,
.mascot-mini h2 {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}

.mascot-callout h2::after,
.mascot-mini h2::after {
  content: "";
  width: 1.05rem;
  height: 1.45rem;
  background: var(--focus);
  border: 2px solid var(--text);
  border-radius: 70% 70% 70% 70% / 80% 80% 55% 55%;
  transform: rotate(-12deg);
}

.mascot-body {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: 1.5rem;
  align-items: start;
}

.mascot-body > div {
  max-width: 42rem;
}

.mascot-callout img,
.mascot-mini img {
  width: 100%;
  max-width: 150px;
  background: #fff;
}

.mascot-mini {
  display: block;
}

.mascot-mini img {
  max-width: 120px;
}

.owner-note p {
  margin: 0 0 .9rem;
}

.owner-note p:last-child {
  margin-bottom: 0;
}

.card h2 {
  font-size: 1.15rem;
  margin-bottom: .65rem;
}

.card-link {
  display: block;
  height: 100%;
  color: inherit;
  text-decoration: none;
}

.card-link .more {
  color: var(--brand-dark);
  font-weight: 750;
  text-decoration: underline;
}

.panel {
  padding: 0;
}

.access-block {
  margin-top: 3rem;
}

.access-block .map-frame {
  aspect-ratio: 16 / 6;
}

.notice {
  margin: 1.25rem 0 0;
  color: var(--muted);
}

.map-frame {
  margin-top: 1rem;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: .2rem;
  aspect-ratio: 16 / 10;
  background: var(--soft);
}

.map-frame iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}

.button-row {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 1.55rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: .65rem 1rem;
  border-radius: .2rem;
  border: 2px solid var(--brand);
  background: var(--brand);
  color: #fff;
  text-decoration: none;
  font-weight: 750;
}

.button.secondary {
  background: #fff;
  color: var(--brand-dark);
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
  margin: 0 0 1.35rem;
}

caption {
  text-align: left;
  font-weight: 800;
  margin-bottom: .7rem;
}

th,
td {
  border: 1px solid var(--line);
  padding: .7rem .8rem;
  text-align: left;
  vertical-align: top;
}

th {
  background: var(--soft);
}

dl {
  display: grid;
  grid-template-columns: 9rem minmax(0, 1fr);
  margin: 0;
  border-top: 1px solid var(--line);
}

dt,
dd {
  border-bottom: 1px solid var(--line);
  padding: .75rem .85rem;
}

dt {
  background: var(--soft);
  font-weight: 800;
}

dd {
  margin: 0;
  background: #fff;
}

.status-list {
  display: grid;
  gap: .55rem;
  padding-left: 1.2rem;
}

.results-flow {
  display: grid;
  gap: 2.35rem;
}

.result-step {
  padding-top: 1.15rem;
}

.result-step:first-child {
  padding-top: 0;
  border-top: 0;
}

.result-step h2 {
  margin-bottom: .85rem;
}

.result-columns {
  margin: 1rem 0 0;
}

.artifact-list {
  margin: 0 0 1rem;
  padding-left: 1.2rem;
}

.artifact-list li + li {
  margin-top: .35rem;
}

.compact-dl {
  margin-top: 1rem;
}

.compact-dl + h3 {
  margin-top: 1.8rem;
}

.doc-page {
  max-width: 920px;
}

.doc-page h2 {
  margin-top: 2rem;
}

.doc-page h2:first-child {
  margin-top: 0;
}

.doc-page code {
  background: var(--soft);
  border-radius: .15rem;
  padding: .1rem .25rem;
}

.doc-preview {
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--line);
}

.doc-preview > h2:first-child,
.markdown-source > h2:first-child {
  margin-top: 0;
}

.markdown-source {
  margin-top: 2rem;
}

.markdown-source pre {
  overflow: auto;
  max-height: 32rem;
  margin: 1rem 0 0;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: .2rem;
  background: #f7f8f8;
  white-space: pre-wrap;
}

.markdown-source code {
  display: block;
  padding: 0;
  background: transparent;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;
  font-size: .9rem;
  line-height: 1.7;
}

.external::after {
  content: "（外部サイト）";
  font-size: .85em;
  margin-left: .2em;
  color: var(--muted);
}

.form-box {
  padding: 1.25rem;
}

.field {
  margin-bottom: 1rem;
}

label,
legend {
  display: block;
  font-weight: 800;
  margin-bottom: .35rem;
}

.required {
  color: #fff;
  background: var(--danger);
  border-radius: .15rem;
  padding: .1rem .35rem;
  font-size: .78rem;
  margin-left: .25rem;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #aab2b8;
  border-radius: .2rem;
  padding: .7rem .75rem;
  font: inherit;
  background: #fff;
}

.error-summary {
  border: 2px solid var(--danger);
  background: #fff6f5;
  padding: 1rem;
  border-radius: .2rem;
  margin-bottom: 1rem;
}

.error-text {
  color: var(--danger);
  font-weight: 700;
  margin-top: .3rem;
}

.inline-options {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem 1rem;
}

.inline-options label {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  font-weight: 650;
}

.inline-options input {
  width: auto;
}

.site-footer {
  margin-top: 3rem;
  background: var(--navy);
  color: #fff;
}

.footer-inner {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 2rem 0;
  display: block;
}

.site-footer h2 {
  color: #fff;
  padding-top: 0;
}

.site-footer h2::before {
  display: none;
}

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

.sample-note {
  border-top: 1px solid rgba(255,255,255,.25);
  margin-top: 1rem;
  padding-top: 1rem;
  color: #dce3e8;
}

@media (max-width: 760px) {
  .header-inner {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: .75rem;
  }

  .nav-toggle {
    display: inline-flex;
    justify-content: center;
    min-width: 5.4rem;
  }

  .global-nav {
    grid-column: 1 / -1;
    width: 100%;
    display: none;
  }

  .global-nav[data-open="true"] {
    display: block;
  }

  .global-nav ul,
  .hero,
  .footer-inner {
    grid-template-columns: 1fr;
  }

  .global-nav ul {
    display: grid;
    gap: .2rem;
    padding-top: .75rem;
  }

  .grid,
  .grid.two,
  .mascot-body {
    grid-template-columns: 1fr;
  }

  dl {
    grid-template-columns: 1fr;
  }

  dt {
    border-bottom: 0;
    padding-bottom: .25rem;
  }

  dd {
    padding-top: .25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}


.image-center {
  margin: 40px 0;
  text-align: center;
  border: solid 1px var(--line);
  padding: 2px;
  a {
    display: inline-block;
  }
  img {

    margin: 0 auto;
  }
}