/* よりそい介護 共通スタイル v20260504 */
/* HTMLから参照: <link rel="stylesheet" href="common.css?v=20260504"> */

*{margin:0;padding:0;box-sizing:border-box;}

:root{
  --main:#7C3D12;
  --accent:#E8650A;
  --accent-dark:#C05000;
  --accent-bg:#FFF5EA;
  --accent-border:#FED7AA;
  --green:#2E9B6A;
  --purple:#7C3AED;
  --blue:#2563EB;
  --teal:#0891B2;
  --pink:#DB2777;
  --bg:#FFFAF5;
  --white:#FFFFFF;
  --text:#1C1917;
  --text-mid:#57534E;
  --text-light:#5A5550;
  --border:#E7E5E4;
  --radius:12px;
  --shadow-sm:0 1px 3px rgba(0,0,0,.07),0 1px 2px rgba(0,0,0,.05);
  --shadow-md:0 4px 16px rgba(0,0,0,.08);
  --shadow-lg:0 12px 40px rgba(0,0,0,.1);
}

body{font-family:'Noto Sans JP','Hiragino Sans','Hiragino Kaku Gothic ProN','Yu Gothic UI','Yu Gothic','Meiryo',sans-serif;background:var(--bg);color:var(--text);line-height:1.8;font-size:15px;}

/* ─── Nav ─── */
nav{
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:0 40px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  height:64px;
  position:sticky;
  top:0;
  z-index:100;
  box-shadow:var(--shadow-sm);
}
.logo{font-size:20px;font-weight:800;color:var(--text);text-decoration:none;letter-spacing:-.02em;}
.logo span{color:var(--accent);}
.nav-links{display:flex;gap:28px;list-style:none;align-items:center;}
.nav-links a{color:var(--text-mid);text-decoration:none;font-size:14px;font-weight:500;transition:color .15s;}
.nav-links a:hover{color:var(--accent);}
.nav-cta{
  background:var(--accent);
  color:var(--white)!important;
  padding:8px 20px;
  border-radius:20px;
  font-weight:700;
  font-size:13px;
  transition:background .15s,transform .15s;
}
.nav-cta:hover{background:var(--accent-dark)!important;transform:translateY(-1px);}
.nav-search-icon{
  display:inline-flex;
  align-items:center;
  gap:4px;
  padding:6px 12px;
  border-radius:8px;
  font-size:13px;
  font-weight:600;
  color:var(--text-mid)!important;
  text-decoration:none;
  transition:background .15s,color .15s;
  white-space:nowrap;
}
.nav-search-icon:hover{background:var(--accent-bg);color:var(--accent)!important;}

/* hamburger */
.hamburger{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:10px;background:none;border:none;min-width:44px;min-height:44px;justify-content:center;align-items:center;}
.hamburger span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all .3s;}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.hamburger.open span:nth-child(2){opacity:0;}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* mobile nav drawer */
.nav-mobile{
  display:none;
  position:fixed;
  top:64px;left:0;right:0;
  background:var(--white);
  border-bottom:1px solid var(--border);
  padding:8px 24px 20px;
  z-index:99;
  box-shadow:var(--shadow-md);
}
.nav-mobile.open{display:block;}
.nav-mobile a{
  display:flex;align-items:center;
  padding:14px 0;
  color:var(--text-mid);
  text-decoration:none;
  font-size:15px;font-weight:500;
  border-bottom:1px solid var(--border);
  transition:color .15s;
}
.nav-mobile a:last-child{border-bottom:none;}
.nav-mobile a.cta{
  background:var(--accent);
  color:var(--white);
  text-align:center;
  justify-content:center;
  border-radius:10px;
  margin-top:12px;
  padding:14px;
  font-weight:700;
  border:none;
}

/* ─── Footer ─── */
footer{background:var(--main);color:#FBD38D;padding:56px 40px 28px;margin-top:96px;}
.footer-inner{max-width:1100px;margin:0 auto;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:48px;margin-bottom:48px;}
.footer-brand-logo{font-size:20px;font-weight:800;color:#FEF3C7;text-decoration:none;display:block;margin-bottom:12px;letter-spacing:-.02em;}
.footer-brand-logo span{color:var(--accent);}
.footer-brand p{font-size:13px;line-height:1.8;color:#FBD38D;opacity:.85;}
.footer-col h4{color:#FEF3C7;font-size:13px;font-weight:700;margin-bottom:16px;letter-spacing:.05em;}
.footer-col ul{list-style:none;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul li a{color:#FBD38D;text-decoration:none;font-size:13px;opacity:.8;transition:opacity .15s;}
.footer-col ul li a:hover{opacity:1;}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:24px;text-align:center;font-size:12px;color:#FBD38D;opacity:.6;}

/* ─── Common Sections ─── */
.section-label{
  display:inline-block;
  font-size:11px;
  font-weight:700;
  letter-spacing:.12em;
  color:var(--accent);
  text-transform:uppercase;
  margin-bottom:8px;
}
.section-title{font-size:26px;font-weight:800;color:var(--main);margin-bottom:6px;line-height:1.3;letter-spacing:-.02em;}
.section-sub{font-size:15px;color:var(--text-mid);margin-bottom:36px;}

/* ─── Buttons ─── */
.btn-primary{
  background:var(--accent);
  color:var(--white);
  padding:14px 32px;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  font-size:15px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:background .15s,transform .15s,box-shadow .15s;
  box-shadow:0 4px 12px rgba(232,101,10,.3);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 6px 20px rgba(232,101,10,.35);}
.btn-secondary{
  background:var(--white);
  color:var(--accent);
  padding:14px 32px;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  font-size:15px;
  border:1.5px solid var(--accent-border);
  display:inline-flex;
  align-items:center;
  gap:8px;
  transition:all .15s;
}
.btn-secondary:hover{background:var(--accent-bg);border-color:var(--accent);}

/* ─── Content-visibility (スクロール外を遅延レンダリング) ─── */
.categories,.stage-guide,.sim-banner,.hojo-banner,.check-banner,.ai-section,.qa,.region{
  content-visibility:auto;
  contain-intrinsic-size:auto 400px;
}
#qa-list{min-height:320px;}

/* ─── Focus visible (キーボードナビ) ─── */
:focus-visible{
  outline:3px solid var(--accent);
  outline-offset:3px;
  border-radius:4px;
}
a:focus-visible,button:focus-visible{outline:3px solid var(--accent);outline-offset:3px;}

/* ─── Float CTA (mobile) ─── */
.float-cta{
  display:none;
  position:fixed;
  bottom:20px;
  left:50%;
  transform:translateX(-50%);
  z-index:200;
  background:var(--accent);
  color:#fff;
  padding:14px 32px;
  border-radius:30px;
  font-weight:700;
  font-size:15px;
  text-decoration:none;
  box-shadow:0 4px 24px rgba(232,101,10,.45);
  white-space:nowrap;
  transition:transform .15s,box-shadow .15s;
}
.float-cta:hover{transform:translateX(-50%) translateY(-2px);box-shadow:0 8px 32px rgba(232,101,10,.5);}

/* ─── Responsive ─── */
@media(max-width:768px){
  nav{padding:0 20px;}
  .nav-links{display:none;}
  .hamburger{display:flex;}
  footer{padding:40px 20px 24px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{display:block;}
  body{padding-bottom:72px;}
}