/* ============ KITAURA KOGYOSYO — shared styles v2 ============ */
:root{
  --bg:#ffffff;
  --bg-soft:#f7f9f5;
  --paper:#eef3e8;
  --ink:#1a2e1a;
  --ink-2:#3d5a3d;
  --muted:#7a8f7a;
  --line:#dde8d8;
  --line-2:#c5d4be;
  --accent:#4da828;       /* logo green */
  --accent-2:#3d8b1f;     /* darker green */
  --accent-soft:#e8f5e0;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"Noto Sans JP","Inter",-apple-system,BlinkMacSystemFont,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  font-feature-settings:"palt";
}
a{color:inherit;text-decoration:none;transition:color .25s}
img{max-width:100%;display:block}
::selection{background:var(--accent);color:#fff}

/* ============ NAV ============ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(255,255,255,0.92);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav-inner{
  max-width:1320px;margin:0 auto;
  padding:18px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  width:42px;height:42px;
  object-fit:contain;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text .en{font-size:10px;letter-spacing:0.22em;color:var(--muted);font-weight:500}
.brand-text .jp{font-family:"Shippori Mincho",serif;font-size:16px;font-weight:700;letter-spacing:0.04em;color:var(--ink)}
.nav-links{display:flex;gap:26px;align-items:center}
.nav-links a{
  font-size:13px;letter-spacing:0.08em;color:var(--ink-2);
  font-weight:500;position:relative;padding:6px 0;
}
.nav-links a:hover{color:var(--accent)}
.nav-links a.active{color:var(--accent);font-weight:600}
.nav-links a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--accent);
}
.nav-cta{
  padding:12px 24px;
  background:var(--accent);color:#fff !important;
  font-size:11px;letter-spacing:0.22em;font-weight:600;
  transition:background .25s;
}
.nav-cta:hover{background:var(--accent-2);color:#fff}
.nav-cta::after{display:none !important}

/* push body content below fixed nav */
.has-fixed-nav{padding-top:78px}

/* ============ COMMON PAGE HEAD ============ */
.page-hero{
  position:relative;height:340px;
  display:flex;align-items:flex-end;
  background:#1a3a1a;color:#fff;overflow:hidden;
}
.page-hero img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(0,0,0,0.2) 0%,rgba(0,0,0,0.55) 100%);
}
.page-hero-inner{
  position:relative;z-index:2;
  max-width:1320px;width:100%;margin:0 auto;
  padding:0 40px 60px;
}
.page-hero .en{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:0.32em;color:#8cdf5c;font-weight:600;margin-bottom:14px}
.page-hero h1{font-family:"Shippori Mincho",serif;font-size:clamp(34px,5vw,54px);font-weight:600;letter-spacing:0.06em}

.crumbs{
  background:var(--bg-soft);border-bottom:1px solid var(--line);
  padding:14px 40px;
}
.crumbs-inner{max-width:1320px;margin:0 auto;font-size:11px;letter-spacing:0.16em;color:var(--muted);font-weight:500}
.crumbs-inner a:hover{color:var(--accent)}
.crumbs-inner span{margin:0 10px;color:var(--line-2)}

.page{padding:90px 40px 120px}
.page-inner{max-width:1180px;margin:0 auto}

.section-lead{
  text-align:center;max-width:680px;margin:0 auto 64px;
}
.section-lead .en{font-family:"Inter",sans-serif;font-size:12px;letter-spacing:0.32em;color:var(--accent-2);font-weight:600;display:block;margin-bottom:14px}
.section-lead h2{font-family:"Shippori Mincho",serif;font-size:clamp(28px,3.4vw,40px);font-weight:600;letter-spacing:0.06em;line-height:1.3;margin-bottom:18px}
.section-lead p{color:var(--ink-2);font-size:15px;line-height:2}

/* ============ FOOTER ============ */
footer{
  border-top:1px solid var(--line);
  padding:72px 40px 32px;
  background:var(--bg-soft);
}
.footer-inner{max-width:1320px;margin:0 auto}
.footer-top{
  display:grid;grid-template-columns:1.6fr 1fr 1.3fr;gap:48px;
  padding-bottom:48px;border-bottom:1px solid var(--line);
  margin-bottom:24px;
}
.footer-brand .desc{
  color:var(--ink-2);font-size:13px;margin-top:18px;line-height:1.95;max-width:380px;
}
.footer-col h5{
  font-size:11px;letter-spacing:0.28em;color:var(--accent);
  margin-bottom:18px;font-weight:600;
}
.footer-col ul{list-style:none}
.footer-col li{margin-bottom:11px;font-size:13px;color:var(--ink-2)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  font-size:11px;letter-spacing:0.12em;color:var(--muted);
}

/* ============ MOBILE MENU TOGGLE ============ */
.menu-toggle{
  display:none;width:32px;height:26px;
  background:none;border:none;cursor:pointer;
  position:relative;padding:0;z-index:110;
}
.menu-toggle span{
  position:absolute;left:0;right:0;height:2px;
  background:var(--ink);transition:transform .3s,top .3s,bottom .3s,opacity .2s;
}
.menu-toggle span:nth-child(1){top:3px}
.menu-toggle span:nth-child(2){top:50%;transform:translateY(-50%)}
.menu-toggle span:nth-child(3){bottom:3px}
body.menu-open .menu-toggle span:nth-child(1){top:50%;transform:translateY(-50%) rotate(45deg)}
body.menu-open .menu-toggle span:nth-child(2){opacity:0}
body.menu-open .menu-toggle span:nth-child(3){bottom:50%;transform:translateY(50%) rotate(-45deg)}

/* ============ ANIM ============ */
.fade-up{opacity:0;transform:translateY(24px);transition:opacity .8s ease,transform .8s ease}
.fade-up.in{opacity:1;transform:translateY(0)}

/* ============ RESPONSIVE ============ */
@media (max-width:960px){
  .nav-inner{padding:14px 20px}
  .menu-toggle{display:block}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;
    background:#fff;
    border-bottom:1px solid var(--line);
    padding:8px 24px 24px;
    gap:0;
    transform:translateY(-12px);
    opacity:0;pointer-events:none;
    transition:transform .3s ease,opacity .3s ease;
    box-shadow:0 12px 24px -16px rgba(0,0,0,0.18);
  }
  body.menu-open .nav-links{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{
    display:block;padding:18px 0;
    border-bottom:1px solid var(--line);
    font-size:15px;letter-spacing:0.06em;
  }
  .nav-links a.active::after{display:none}
  .nav-links a.nav-cta{
    margin-top:16px;text-align:center;
    border:none;padding:16px 22px;
    font-size:12px;letter-spacing:0.22em;
  }
  .has-fixed-nav{padding-top:72px}
  .page-hero{height:240px}
  .page-hero-inner{padding:0 20px 40px}
  .crumbs{padding:12px 20px}
  .page{padding:60px 20px 80px}
  .footer-top{grid-template-columns:1fr;gap:32px;padding:0 0 32px}
  .footer-bottom{flex-direction:column;gap:10px;text-align:center}
}