/* =====================================================================
   外壁塗装くらべる 共通ブランドCSS (premium navy + gold)
   トップページ index.html のデザインシステムと統一。
   サブページ(助成金一覧/業界のリアル/加盟店募集 等)が共通利用。
   ===================================================================== */
:root{
  --navy-950:#08152b;
  --navy-900:#0b1e3b;
  --navy-800:#122a4f;
  --blue-600:#1d4ed8;
  --blue-500:#2563eb;
  --blue-400:#3b82f6;
  --accent:#f2b544;
  --accent-hi:#ffc95e;
  --ink:#182534;
  --muted:#5c6b7e;
  --line:#e6ebf2;
  --bg:#f6f8fc;
  --white:#ffffff;
  --radius:18px;
  --shadow-sm:0 2px 8px rgba(15,37,71,.06);
  --shadow-md:0 12px 30px rgba(15,37,71,.10);
  --shadow-lg:0 28px 60px rgba(11,30,59,.18);
  --maxw:1160px;
}
.brand-scope *{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body.brand-scope{
  font-family:'Noto Sans JP','Hiragino Kaku Gothic Pro',Meiryo,sans-serif;
  color:var(--ink);background:var(--bg);line-height:1.85;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
.brand-scope a{color:inherit;text-decoration:none}
.brand-scope h1,.brand-scope h2,.brand-scope h3,.brand-scope h4{
  font-family:'Zen Kaku Gothic New','Noto Sans JP',sans-serif;letter-spacing:.01em;line-height:1.35;
}
.brand-wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.brand-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.18em;
  color:var(--blue-500);text-transform:uppercase;
}
.brand-eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px}

/* ---------- NAV ---------- */
.brand-nav{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(9,22,44,.72);
  backdrop-filter:saturate(160%) blur(14px);
  -webkit-backdrop-filter:saturate(160%) blur(14px);
  border-bottom:1px solid rgba(255,255,255,.08);
  transition:background .3s,box-shadow .3s;
}
.brand-nav.scrolled{background:rgba(9,22,44,.94);box-shadow:0 10px 30px rgba(0,0,0,.25)}
.brand-nav-inner{max-width:var(--maxw);margin:0 auto;padding:14px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand-nav-logo{display:flex;align-items:center;height:34px}
.brand-nav-logo img{height:30px;width:auto;display:block}
.brand-nav-links{display:flex;align-items:center;gap:4px}
.brand-nav-links a{color:rgba(255,255,255,.86);font-size:14.5px;font-weight:500;padding:9px 13px;border-radius:10px;transition:color .2s,background .2s}
.brand-nav-links a:hover,.brand-nav-links a.active{color:#fff;background:rgba(255,255,255,.10)}
.brand-nav-cta{
  margin-left:8px;
  background:linear-gradient(135deg,var(--accent),var(--accent-hi));
  color:#3a2a05 !important;font-weight:700 !important;
  padding:10px 20px !important;border-radius:999px !important;
  box-shadow:0 8px 20px rgba(242,181,68,.35);transition:transform .2s,box-shadow .2s;
}
.brand-nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(242,181,68,.5);background:linear-gradient(135deg,var(--accent-hi),var(--accent))}
.brand-nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;flex-direction:column;gap:5px}
.brand-nav-toggle span{display:block;width:26px;height:2px;background:#fff;border-radius:2px;transition:transform .3s,opacity .3s}
.brand-nav.open .brand-nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.brand-nav.open .brand-nav-toggle span:nth-child(2){opacity:0}
.brand-nav.open .brand-nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- HERO ---------- */
.brand-hero{
  position:relative;
  background:
    radial-gradient(900px 500px at 78% -10%,rgba(59,130,246,.42),transparent 60%),
    radial-gradient(700px 500px at 8% 20%,rgba(242,181,68,.16),transparent 55%),
    linear-gradient(160deg,var(--navy-950) 0%,var(--navy-900) 45%,var(--navy-800) 100%);
  color:#fff;padding:150px 0 96px;overflow:hidden;text-align:center;
}
.brand-hero::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:90px;background:linear-gradient(to bottom,transparent,var(--bg))}
.brand-hero .brand-wrap{position:relative;z-index:2}
.brand-hero .brand-eyebrow{color:var(--accent-hi);justify-content:center;margin-bottom:20px}
.brand-hero .brand-eyebrow::before{background:var(--accent-hi)}
.brand-hero-logo{margin-bottom:26px}
.brand-hero-logo img{width:min(100%,340px);height:auto;filter:drop-shadow(0 8px 26px rgba(0,0,0,.42))}
.brand-hero h1{font-size:clamp(28px,4.4vw,46px);font-weight:900;margin-bottom:20px}
.brand-hero h1 .hl{
  background:linear-gradient(120deg,var(--accent-hi),var(--accent),var(--accent-hi));
  background-size:200% auto;-webkit-background-clip:text;background-clip:text;color:transparent;
  animation:brandShimmer 5s linear infinite;
}
.brand-hero p.lead{font-size:clamp(14px,1.8vw,17px);color:rgba(255,255,255,.84);max-width:680px;margin:0 auto}
.brand-orb{position:absolute;border-radius:50%;filter:blur(54px);z-index:1;pointer-events:none}
.brand-orb.a{width:340px;height:340px;background:radial-gradient(circle,rgba(59,130,246,.5),transparent 70%);top:-60px;right:6%;animation:brandFloatA 15s ease-in-out infinite}
.brand-orb.b{width:280px;height:280px;background:radial-gradient(circle,rgba(242,181,68,.34),transparent 70%);bottom:-30px;left:3%;animation:brandFloatB 17s ease-in-out infinite}

/* ---------- BUTTONS ---------- */
.brand-btn{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:16px;padding:16px 34px;border-radius:999px;transition:transform .2s,box-shadow .2s,background .2s;cursor:pointer;border:0}
.brand-btn svg{width:20px;height:20px;flex:none}
.brand-btn-primary{position:relative;overflow:hidden;background:linear-gradient(135deg,var(--accent),var(--accent-hi));color:#3a2a05;box-shadow:0 14px 34px rgba(242,181,68,.42)}
.brand-btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 44px rgba(242,181,68,.6)}
.brand-btn-primary::after{content:"";position:absolute;top:0;left:-60%;width:38%;height:100%;background:linear-gradient(120deg,transparent,rgba(255,255,255,.55),transparent);transform:skewX(-20deg);animation:brandShine 4.2s ease-in-out infinite;pointer-events:none}
.brand-btn-ghost{background:rgba(255,255,255,.08);color:#fff;border:1px solid rgba(255,255,255,.28)}
.brand-btn-ghost:hover{background:rgba(255,255,255,.16);transform:translateY(-3px)}
.brand-btn-outline{background:#fff;color:var(--navy-900);border:1.5px solid var(--line)}
.brand-btn-outline:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)}

/* ---------- SECTION ---------- */
.brand-block{padding:80px 0}
.brand-block.alt{background:#fff}
.brand-sec-head{text-align:center;max-width:720px;margin:0 auto 48px}
.brand-sec-head h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;color:var(--navy-900);margin:14px 0 12px}
.brand-sec-head p{color:var(--muted);font-size:15.5px}

/* ---------- CARD ---------- */
.brand-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;box-shadow:var(--shadow-sm);transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden}
.brand-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:transparent}
.brand-card h3{font-size:18px;color:var(--navy-900);margin-bottom:10px}
.brand-card p{font-size:14.5px;color:var(--muted)}
.brand-card .amount{display:inline-block;margin-left:8px;font-size:13px;font-weight:900;color:#8a5a00;background:linear-gradient(135deg,#fff1d0,#ffe3a1);padding:3px 12px;border-radius:20px;vertical-align:middle}
.brand-card .num-badge{display:inline-flex;width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--blue-400),var(--blue-600));color:#fff;align-items:center;justify-content:center;font-weight:900;font-size:14px;margin-right:12px;vertical-align:middle}
.brand-card .point{margin-top:12px;padding:12px 16px;background:#f7f9fd;border:1px solid var(--line);border-radius:10px;font-size:13px;line-height:1.8;color:var(--ink)}
.brand-card .point strong{color:var(--blue-600)}

/* ---------- CTA BAND ---------- */
.brand-cta{padding:78px 0;text-align:center;
  background:radial-gradient(600px 320px at 20% 0,rgba(242,181,68,.18),transparent 60%),linear-gradient(135deg,var(--blue-600),var(--navy-900));
  color:#fff;position:relative;overflow:hidden}
.brand-cta h2{font-size:clamp(24px,3.6vw,36px);font-weight:900;margin-bottom:14px}
.brand-cta p{color:rgba(255,255,255,.85);font-size:15.5px;margin-bottom:28px}
.brand-cta .brand-btn-primary{font-size:18px;padding:18px 46px}
.brand-cta small{display:block;margin-top:16px;font-size:13px;color:rgba(255,255,255,.72)}

/* ---------- FOOTER ---------- */
footer.brand-footer{background:var(--navy-950);color:rgba(255,255,255,.72);padding:56px 0 28px}
.brand-foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.brand-foot-brand img{height:32px;margin-bottom:14px}
.brand-foot-brand p{font-size:13.5px;color:rgba(255,255,255,.6);max-width:340px}
.brand-foot-col h4{color:#fff;font-size:14px;margin-bottom:14px;letter-spacing:.04em}
.brand-foot-col a{display:block;font-size:13.5px;color:rgba(255,255,255,.66);padding:6px 0;transition:color .2s}
.brand-foot-col a:hover{color:var(--accent-hi)}
.brand-foot-bottom{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.5)}
.brand-foot-legal a{color:rgba(255,255,255,.6);margin-left:16px}
.brand-foot-legal a:hover{color:#fff}

/* ---------- BOTTOM CONTACT STRIP ---------- */
.brand-cv-float{background:var(--navy-950);display:flex;justify-content:center;flex-wrap:wrap;gap:12px;padding:0 16px calc(30px + env(safe-area-inset-bottom))}
.brand-cv-float a{display:inline-flex;align-items:center;gap:8px;padding:11px 22px;border-radius:999px;color:#fff;font-size:13px;font-weight:700;line-height:1;box-shadow:0 6px 18px rgba(0,0,0,.28);transition:transform .2s,filter .2s}
.brand-cv-float a:hover{transform:translateY(-2px);filter:brightness(1.08)}
.brand-cv-float svg{width:18px;height:18px;flex:none}
.brand-cv-line{background:#06C755}
.brand-cv-tel{background:#FF6B35}

/* ---------- REVEAL ---------- */
.js .brand-reveal{opacity:0;transform:translateY(26px);transition:opacity .7s ease,transform .7s ease}
.js .brand-reveal.in{opacity:1;transform:none}

/* ---------- MOTION ---------- */
@keyframes brandFloatA{0%,100%{transform:translate(0,0)}50%{transform:translate(30px,-22px)}}
@keyframes brandFloatB{0%,100%{transform:translate(0,0)}50%{transform:translate(-26px,20px)}}
@keyframes brandShimmer{to{background-position:200% center}}
@keyframes brandShine{0%{left:-60%}55%,100%{left:130%}}
@media (prefers-reduced-motion:reduce){.brand-orb,.brand-btn-primary::after,.brand-hero h1 .hl{animation:none}}

/* ---------- GRID HELPERS ---------- */
.brand-grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.brand-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.brand-stack{display:flex;flex-direction:column;gap:16px}

/* ---------- RESPONSIVE ---------- */
@media (max-width:900px){
  .brand-foot-grid{grid-template-columns:1fr 1fr}
  .brand-grid-3{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .brand-nav-links{
    position:fixed;top:62px;left:0;right:0;flex-direction:column;align-items:stretch;gap:0;
    background:rgba(9,22,44,.98);backdrop-filter:blur(14px);padding:10px 18px 22px;
    transform:translateY(-140%);transition:transform .35s cubic-bezier(.4,0,.2,1);
    border-bottom:1px solid rgba(255,255,255,.1);box-shadow:0 20px 40px rgba(0,0,0,.4);
  }
  .brand-nav.open .brand-nav-links{transform:translateY(0)}
  .brand-nav-links a{padding:14px 8px;border-radius:0;border-bottom:1px solid rgba(255,255,255,.07);font-size:16px}
  .brand-nav-cta{margin:14px 0 0 !important;text-align:center;justify-content:center;display:flex}
  .brand-nav-toggle{display:flex}
  .brand-hero{padding:118px 0 78px}
  .brand-grid-2,.brand-grid-3{grid-template-columns:1fr}
  .brand-foot-grid{grid-template-columns:1fr}
}
@media (max-width:480px){
  .brand-hero-ctas .brand-btn{width:100%;justify-content:center}
}