:root {
  --primary-color: #245c4a;
  --primary-dark: #174336;
  --secondary-color: #2f6281;
  --accent-color: #e6b85c;
  --line-color: #08a65b;
  --text-color: #24332e;
  --muted-color: #5c6964;
  --background-color: #f7f5ef;
  --surface-color: #ffffff;
  --soft-green: #eaf3ee;
  --soft-blue: #eaf2f6;
  --soft-beige: #f4ecdc;
  --alert-bg: #fff5db;
  --alert-border: #d39a23;
  --border-color: #d7ded9;
  --shadow: 0 10px 30px rgba(29, 60, 49, 0.09);
  --radius-sm: 0.55rem;
  --radius-md: 0.9rem;
  --radius-lg: 1.35rem;
  --space-1: 0.5rem;
  --space-2: 0.8rem;
  --space-3: 1.1rem;
  --space-4: 1.5rem;
  --space-5: 2.25rem;
  --space-6: 3.5rem;
  --content-width: 72rem;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text-color);
  background: var(--background-color);
  font-family: "BIZ UDPGothic", "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, sans-serif;
  font-size: 1rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}
img, svg { display: block; max-width: 100%; }
a { color: var(--secondary-color); text-underline-offset: 0.2em; }
a:hover { text-decoration-thickness: 2px; }
button, a { touch-action: manipulation; }
button { font: inherit; }
:focus-visible { outline: 3px solid #c57f00; outline-offset: 3px; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 1000; padding: .75rem 1rem; background: #fff; color: #111; border: 2px solid #111; }
.skip-link:focus { top: 1rem; }
.container { width: min(calc(100% - 2rem), var(--content-width)); margin-inline: auto; }
.section { padding-block: var(--space-6); }
.section--white { background: var(--surface-color); }
.section--soft { background: var(--soft-green); }
.section--compact { padding-block: var(--space-5); }
.section-heading { margin: 0 0 .45rem; color: var(--primary-dark); font-size: clamp(1.55rem, 5vw, 2.15rem); line-height: 1.35; }
.section-lead { max-width: 48rem; margin: 0 0 var(--space-4); color: var(--muted-color); }
.eyebrow { display: inline-block; margin-bottom: .35rem; color: var(--primary-color); font-weight: 800; letter-spacing: .08em; font-size: .88rem; }
.text-link { display: inline-flex; align-items: center; min-height: 2.75rem; font-weight: 700; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: .55rem; min-height: 3.25rem; padding: .65rem 1.25rem; border: 2px solid transparent; border-radius: 999px; background: var(--primary-color); color: #fff; font-weight: 800; line-height: 1.35; text-align: center; text-decoration: none; box-shadow: 0 5px 14px rgba(36,92,74,.16); }
.button:hover { background: var(--primary-dark); }
.button--outline { background: #fff; border-color: var(--primary-color); color: var(--primary-color); box-shadow: none; }
.button--outline:hover { background: var(--soft-green); color: var(--primary-dark); }
.button--line { background: var(--line-color); box-shadow: 0 5px 14px rgba(8,166,91,.2); }
.button--line:hover { background: #078b4d; }
.button--full { width: 100%; }

.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.97); border-bottom: 1px solid var(--border-color); }
.header-inner { min-height: 4.6rem; display: flex; align-items: center; justify-content: space-between; gap: 1rem; }
.site-brand { display: inline-flex; align-items: center; gap: .65rem; color: var(--primary-dark); font-size: 1.18rem; font-weight: 900; text-decoration: none; white-space: nowrap; }
.brand-mark { width: 2.5rem; height: 2.5rem; display: grid; place-items: center; overflow: hidden; border: 2px solid #d5e4dc; border-radius: 50%; background: #fff; }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }
.menu-toggle { width: 3rem; height: 3rem; display: grid; place-items: center; border: 1px solid var(--border-color); border-radius: .65rem; background: #fff; color: var(--primary-dark); cursor: pointer; }
.menu-icon, .menu-icon::before, .menu-icon::after { display: block; width: 1.45rem; height: 2px; background: currentColor; transition: transform .2s ease; content: ""; }
.menu-icon { position: relative; }
.menu-icon::before { position: absolute; top: -.45rem; }
.menu-icon::after { position: absolute; top: .45rem; }
.menu-toggle[aria-expanded="true"] .menu-icon { background: transparent; }
.menu-toggle[aria-expanded="true"] .menu-icon::before { top: 0; transform: rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-icon::after { top: 0; transform: rotate(-45deg); }
.site-nav { display: none; position: absolute; inset: 4.6rem 0 auto; padding: .7rem 1rem 1rem; background: #fff; border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow); }
.site-nav.is-open { display: block; }
.site-nav ul { max-width: var(--content-width); margin: 0 auto; padding: 0; list-style: none; }
.site-nav a { display: flex; align-items: center; min-height: 3rem; padding: .45rem .7rem; border-radius: .5rem; color: var(--text-color); font-weight: 700; text-decoration: none; }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--primary-dark); background: var(--soft-green); }

.hero { position: relative; isolation: isolate; min-height: 29rem; display: grid; align-items: center; overflow: hidden; color: #fff; background: linear-gradient(120deg, rgba(20,64,51,.96), rgba(39,87,110,.9)); }
.hero::before { position: absolute; inset: 0; z-index: -2; content: ""; background-image: var(--hero-image, none); background-position: center; background-size: cover; }
.hero::after { position: absolute; inset: auto -10% -9rem; z-index: -1; height: 15rem; content: ""; border-radius: 50% 50% 0 0; background: rgba(237,229,209,.13); transform: rotate(-2deg); }
.hero-content { max-width: 45rem; padding-block: 4.5rem; }
.hero-kicker { margin: 0 0 .65rem; font-weight: 800; letter-spacing: .12em; }
.hero h1 { margin: 0; font-size: clamp(2.5rem, 12vw, 5rem); line-height: 1.12; letter-spacing: .04em; }
.hero-subtitle { margin: .8rem 0 .65rem; font-size: clamp(1.25rem, 5vw, 1.75rem); font-weight: 800; line-height: 1.5; }
.hero-description { max-width: 42rem; margin: 0; font-size: 1.05rem; }
.hero-note { margin-top: 1.6rem; padding-left: .85rem; border-left: 3px solid var(--accent-color); font-size: .9rem; opacity: .9; }

.important { border-top: 5px solid var(--alert-border); background: var(--alert-bg); }
.important-box { padding-block: 1.7rem; }
.important-title { display: flex; align-items: center; gap: .65rem; margin: 0 0 .6rem; color: #6a4a08; font-size: 1.25rem; }
.important-list { margin: 0; padding-left: 1.3rem; }
.important-list li + li { margin-top: .25rem; }

.news-list, .document-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--border-color); }
.news-item, .document-item { padding: 1.15rem 0; border-bottom: 1px solid var(--border-color); }
.news-meta { display: flex; flex-wrap: wrap; align-items: center; gap: .55rem .8rem; margin-bottom: .2rem; color: var(--muted-color); font-size: .94rem; }
.tag { display: inline-flex; align-items: center; min-height: 1.8rem; padding: .1rem .65rem; border-radius: 999px; background: var(--soft-blue); color: #234e66; font-size: .82rem; font-weight: 800; }
.tag--green { background: var(--soft-green); color: var(--primary-dark); }
.tag--amber { background: #fff0c8; color: #6a4a08; }
.news-title { margin: 0; font-size: 1.08rem; }
.news-title a { color: var(--text-color); }
.section-action { margin-top: var(--space-4); }
.member-card-notice { margin-bottom: 2rem; padding: clamp(1.15rem, 4vw, 1.75rem); border: 1px solid var(--border-color); border-radius: var(--radius-md); background: var(--soft-beige); }
.member-card-notice h3 { margin: .35rem 0 .45rem; color: var(--primary-dark); font-size: clamp(1.3rem, 5vw, 1.65rem); line-height: 1.45; }
.member-card-notice figure { margin: 1.25rem 0 0; }
.member-card-image { display: block; width: min(100%, 42rem); margin-inline: auto; overflow: hidden; border: 1px solid #c8c8c8; border-radius: .4rem; background: #fff; box-shadow: var(--shadow); }
.member-card-image img { width: 100%; height: auto; }
.member-card-notice figcaption { margin-top: .75rem; text-align: center; }

.line-panel { display: grid; gap: 1.5rem; padding: clamp(1.4rem, 5vw, 2.4rem); border: 1px solid #b8dcc9; border-radius: var(--radius-lg); background: linear-gradient(135deg, #fff 45%, #edf9f2); box-shadow: var(--shadow); }
.line-panel h2 { margin: 0 0 .7rem; color: var(--primary-dark); font-size: clamp(1.55rem, 5vw, 2.2rem); }
.line-panel p { margin: .45rem 0; }
.line-actions { margin-top: 1.2rem; }
.qr-space { min-height: 10.5rem; display: grid; place-items: center; padding: 1rem; border: 2px dashed #87ad9a; border-radius: var(--radius-md); background: rgba(255,255,255,.8); color: var(--muted-color); text-align: center; }
.qr-space strong { display: block; color: var(--primary-dark); }
.qr-space a { display: inline-block; border-radius: .65rem; }
.qr-space img { width: min(100%, 11.25rem); height: auto; margin-inline: auto; border-radius: .4rem; }
.qr-space span { display: block; margin-top: .55rem; font-size: .9rem; }

.card-grid { display: grid; gap: 1rem; }
.menu-card { min-height: 10rem; display: flex; flex-direction: column; justify-content: space-between; gap: 1rem; padding: 1.25rem; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: #fff; color: var(--text-color); box-shadow: 0 5px 18px rgba(32,69,55,.06); text-decoration: none; transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease; }
.menu-card:hover { transform: translateY(-3px); border-color: #91ae9f; box-shadow: var(--shadow); }
.card-icon { width: 3rem; height: 3rem; display: grid; place-items: center; border-radius: .85rem; background: var(--soft-green); color: var(--primary-color); font-size: 1.55rem; }
.menu-card:nth-child(3n+2) .card-icon { background: var(--soft-blue); color: var(--secondary-color); }
.menu-card:nth-child(3n) .card-icon { background: var(--soft-beige); color: #805f25; }
.menu-card strong { display: block; color: var(--primary-dark); font-size: 1.15rem; }
.menu-card small { color: var(--muted-color); font-size: .9rem; }

.two-column { display: grid; gap: 1.5rem; }
.content-card, .event-card, .activity-card, .info-card { padding: 1.35rem; border: 1px solid var(--border-color); border-radius: var(--radius-md); background: #fff; box-shadow: 0 5px 18px rgba(32,69,55,.05); }
.content-card h3, .event-card h3, .activity-card h3, .info-card h3 { margin: 0 0 .55rem; color: var(--primary-dark); font-size: 1.2rem; }
.content-card p:last-child, .activity-card p:last-child, .info-card p:last-child { margin-bottom: 0; }
.document-item { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: .75rem 1rem; }
.document-item strong { font-size: 1.08rem; }
.event-date { margin: 0 0 .35rem; color: var(--secondary-color); font-weight: 800; }
.event-place { margin: .6rem 0 0; padding-top: .6rem; border-top: 1px solid var(--border-color); }
.event-grid, .activity-grid, .info-grid { display: grid; gap: 1rem; }
.emergency-grid { display: grid; gap: .8rem; padding: 0; list-style: none; }
.emergency-grid a { min-height: 3.6rem; display: flex; align-items: center; gap: .7rem; padding: .75rem 1rem; border: 1px solid #aec4cf; border-radius: var(--radius-sm); background: #fff; color: #173f55; font-weight: 800; text-decoration: none; }
.emergency-grid a:hover { background: var(--soft-blue); }

.page-hero { padding-block: 3.4rem 2.7rem; background: linear-gradient(135deg, var(--soft-green), var(--soft-blue)); border-bottom: 1px solid var(--border-color); }
.breadcrumbs { margin: 0 0 .8rem; color: var(--muted-color); font-size: .9rem; }
.breadcrumbs a { color: inherit; }
.page-hero h1 { margin: 0; color: var(--primary-dark); font-size: clamp(2rem, 8vw, 3.25rem); line-height: 1.25; }
.page-hero p { max-width: 46rem; margin: .8rem 0 0; }
.placeholder { padding: 1rem; border-left: 4px solid var(--secondary-color); background: var(--soft-blue); color: #294959; }
.check-list { margin: 0; padding-left: 1.35rem; }
.check-list li + li { margin-top: .45rem; }
.callout { padding: 1.25rem; border-radius: var(--radius-md); background: var(--soft-beige); border: 1px solid #dfcfad; }
.callout h2, .callout h3 { margin-top: 0; color: #654d23; }
.role-table { width: 100%; border-collapse: collapse; background: #fff; }
.role-table th, .role-table td { padding: .8rem; border: 1px solid var(--border-color); text-align: left; vertical-align: top; }
.role-table th { width: 32%; background: var(--soft-green); color: var(--primary-dark); }

.site-footer { padding-block: 2.5rem 1.2rem; background: #183b31; color: #edf5f1; }
.footer-grid { display: grid; gap: 2rem; }
.footer-brand { margin: 0 0 .45rem; font-size: 1.25rem; font-weight: 900; }
.footer-note { max-width: 27rem; margin: 0; color: #c9d9d3; font-size: .92rem; }
.footer-nav { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: .25rem .8rem; margin: 0; padding: 0; list-style: none; }
.footer-nav a { display: inline-flex; align-items: center; min-height: 2.7rem; color: #fff; }
.footer-bottom { display: flex; flex-wrap: wrap; justify-content: space-between; gap: .75rem; margin-top: 2rem; padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,.18); color: #c9d9d3; font-size: .88rem; }
.admin-footer-link { color: #dce9e4; text-decoration: underline; text-underline-offset: .2em; }
.admin-footer-link:hover { color: #fff; }
.back-to-top { position: fixed; right: 1rem; bottom: 1rem; z-index: 50; width: 3rem; height: 3rem; display: grid; place-items: center; border: 0; border-radius: 50%; background: var(--primary-dark); color: #fff; box-shadow: var(--shadow); cursor: pointer; opacity: 0; pointer-events: none; transition: opacity .2s ease; }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; }
.noscript-note { margin: 0; padding: .7rem 1rem; background: #fff2cd; color: #5d430b; text-align: center; }

@media (min-width: 42rem) {
  .container { width: min(calc(100% - 3rem), var(--content-width)); }
  .card-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .two-column, .event-grid, .activity-grid, .info-grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
  .line-panel { grid-template-columns: minmax(0,1.6fr) minmax(11rem,.7fr); align-items: center; }
  .footer-grid { grid-template-columns: 1fr 1.2fr; }
  .footer-nav { grid-template-columns: repeat(3, minmax(0,1fr)); }
}

@media (min-width: 64rem) {
  .menu-toggle { display: none; }
  .site-nav { position: static; display: block; padding: 0; border: 0; box-shadow: none; }
  .site-nav ul { display: flex; align-items: center; gap: .1rem; }
  .site-nav a { min-height: 2.75rem; padding-inline: .55rem; font-size: .88rem; white-space: nowrap; }
  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .activity-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .info-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
  .hero { min-height: 32rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}