/* ==========================================================================
   一般財団法人佐賀県労働会館 ― 公式サイト共通スタイル
   ========================================================================== */

:root{
  --ink:#1B2B22;
  --ink-soft:#4E5F53;
  --ink-faint:#869286;
  --bg:#F3F5EE;
  --surface:#FFFFFF;
  --surface-alt:#E9EEE2;
  --line:#D9E0CE;
  --line-strong:#C3CDB4;
  --accent:#3F7A4E;
  --accent-deep:#2C5836;
  --accent-soft:#DEEBE0;
  --navy-deep:#16241C;
  --navy-deep-2:#10190F;
  --shadow:0 1px 2px rgba(15,25,15,.05), 0 14px 32px rgba(15,25,15,.08);
  color-scheme: light;
}

*{ box-sizing:border-box; }
html{ scroll-behavior:smooth; }
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans JP","Hiragino Sans",sans-serif;
  font-size:15.5px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
.mono{ font-family:"JetBrains Mono",ui-monospace,monospace; }

h1,h2,h3,h4{ font-family:"Zen Old Mincho","Noto Serif JP",serif; margin:0; text-wrap:balance; font-weight:700; }

.wrap{ max-width:1080px; margin:0 auto; padding:0 28px; }
@media (max-width:640px){ .wrap{ padding:0 18px; } }

.kicker{
  font-family:"JetBrains Mono",monospace;
  font-size:11px; font-weight:700; letter-spacing:.14em; text-transform:uppercase;
  color:var(--accent-deep);
  display:flex; align-items:center; gap:9px;
}
.kicker .sq{ width:7px; height:7px; background:var(--accent); flex:0 0 auto; }

.sec-head{ margin-bottom:32px; }
.sec-title{ font-weight:700; font-size:clamp(21px,2.6vw,27px); line-height:1.6; margin:10px 0 0; }
.sec-lede{ color:var(--ink-soft); font-size:14.5px; max-width:58ch; margin:14px 0 0; }

section{ padding:64px 0; border-top:1px solid var(--line); }
section:first-of-type{ border-top:none; }

.btn{
  font-weight:700; font-size:14px; padding:12px 24px; border-radius:8px;
  display:inline-flex; align-items:center; gap:8px; border:1.5px solid transparent;
}
.btn.primary{ background:var(--accent); color:#fff; }
.btn.dark{ background:var(--navy-deep); color:#fff; }
.btn.ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }

/* ---------------- site header ---------------- */
.site-header{
  position:sticky; top:0; z-index:50;
  background:color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);
}
.site-header .in{
  max-width:1080px; margin:0 auto; padding:16px 28px;
  display:flex; align-items:center; justify-content:space-between; gap:18px;
}
.brand{ display:flex; flex-direction:column; line-height:1.3; }
.brand .b-org{ font-family:"JetBrains Mono",monospace; font-size:9.5px; color:var(--ink-faint); letter-spacing:.06em; }
.brand .b-name{ font-family:"Zen Old Mincho",serif; font-weight:700; font-size:16.5px; color:var(--ink); }

.site-nav{ display:flex; align-items:center; gap:26px; }
.site-nav .links{ display:flex; gap:24px; font-size:13.5px; font-weight:700; color:var(--ink-soft); }
.site-nav .links a:hover{ color:var(--accent-deep); }
.site-nav .links a.active{ color:var(--ink); border-bottom:2px solid var(--accent); padding-bottom:2px; }
@media (max-width:760px){ .site-nav .links{ display:none; } }

.nav-toggle{
  display:none; width:38px; height:38px; border-radius:8px; border:1px solid var(--line-strong);
  background:var(--surface); align-items:center; justify-content:center; cursor:pointer;
}
.nav-toggle span{ display:block; width:16px; height:2px; background:var(--ink); position:relative; }
.nav-toggle span::before, .nav-toggle span::after{ content:""; position:absolute; left:0; width:16px; height:2px; background:var(--ink); }
.nav-toggle span::before{ top:-5px; } .nav-toggle span::after{ top:5px; }
@media (max-width:760px){ .nav-toggle{ display:flex; } }

.mobile-panel{ display:none; flex-direction:column; padding:8px 28px 18px; border-bottom:1px solid var(--line); }
.mobile-panel.open{ display:flex; }
.mobile-panel a{ padding:11px 4px; font-weight:700; font-size:14.5px; color:var(--ink-soft); border-bottom:1px solid var(--line); }
.mobile-panel a:last-child{ border-bottom:none; }

/* ---------------- footer ---------------- */
.site-footer{ background:var(--navy-deep); color:#D3DCC9; padding:48px 0 26px; }
.site-footer a{ color:#D3DCC9; }
.foot-grid{ display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:32px; margin-bottom:34px; }
@media (max-width:680px){ .foot-grid{ grid-template-columns:1fr; } }
.foot-grid .f-name{ font-family:"Zen Old Mincho",serif; font-size:16px; font-weight:700; color:#fff; margin-bottom:10px; }
.foot-grid p{ font-size:13px; color:#9FAF97; max-width:34ch; line-height:1.8; }
.foot-col h5{ font-size:11px; font-family:"JetBrains Mono",monospace; letter-spacing:.1em; text-transform:uppercase; color:#7C8B75; margin-bottom:12px; font-weight:700; }
.foot-col ul{ list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; }
.foot-col a{ font-size:13.5px; }
.foot-col a:hover{ color:#fff; }
.foot-bottom{
  border-top:1px solid rgba(255,255,255,.12); padding-top:18px;
  font-size:11.5px; color:#7C8B75; font-family:"JetBrains Mono",monospace;
}

/* ---------------- cards / grid ---------------- */
.card{ background:var(--surface); border:1px solid var(--line); border-radius:12px; box-shadow:var(--shadow); }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:16px; }
@media (max-width:780px){ .grid-3{ grid-template-columns:1fr 1fr; } }
@media (max-width:560px){ .grid-3, .grid-2{ grid-template-columns:1fr; } }

/* ---------------- page hero ---------------- */
.page-hero{ padding:52px 0 12px; border-top:none; }
.page-hero h1{ font-size:clamp(26px,3.6vw,36px); line-height:1.5; margin-bottom:14px; }
.page-hero p.lede{ color:var(--ink-soft); font-size:15px; max-width:56ch; }

.crumbs{ font-size:12px; color:var(--ink-faint); padding:18px 0 0; font-family:"JetBrains Mono",monospace; }
.crumbs a{ color:var(--ink-faint); } .crumbs a:hover{ color:var(--accent-deep); }

/* ---------------- info table ---------------- */
.info-table{ width:100%; border-collapse:collapse; }
.info-table tr{ border-bottom:1px solid var(--line); }
.info-table tr:first-child{ border-top:1px solid var(--line); }
.info-table th{
  text-align:left; padding:16px 22px 16px 0; width:170px; vertical-align:top;
  font-family:"JetBrains Mono",monospace; font-size:11px; font-weight:700; color:var(--ink-faint); letter-spacing:.05em;
}
.info-table td{ padding:16px 0; font-size:14.5px; }
@media (max-width:560px){ .info-table th{ width:100px; font-size:9.5px; padding-right:10px; } }