/* ============================================================
   MGC — 一般社団法人 真庭GadgetCreations  共通スタイル
   ============================================================ */
:root{
  --ink:#1a1814;
  --ink-soft:#403a33;
  --paper:#f4f0e7;
  --paper-warm:#e9e2d4;
  --brass:#9a7b3f;
  --brass-bright:#c9a24b;
  --brass-deep:#6f5526;
  --steel:#363c3e;
  --steel-dark:#21262a;
  --line:rgba(106,85,38,.22);
  --shadow:rgba(26,24,20,.14);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:"Zen Kaku Gothic New",sans-serif;
  color:var(--ink);background:var(--paper);
  line-height:1.9;font-size:16px;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(244,240,231,.86);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);transition:transform .4s ease;
}
.nav{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;color:var(--ink)}
.brand img{width:42px;height:42px;object-fit:contain}
.brand .name{font-family:"Cinzel",serif;font-weight:700;font-size:1.3rem;letter-spacing:.14em;line-height:1}
.brand .name small{display:block;font-family:"Zen Kaku Gothic New";font-weight:500;font-size:.55rem;letter-spacing:.16em;color:var(--brass-deep);margin-top:3px}
.menu{display:flex;gap:28px;list-style:none}
.menu a{text-decoration:none;color:var(--ink-soft);font-weight:500;font-size:.92rem;letter-spacing:.05em;position:relative;padding:4px 0;transition:color .25s}
.menu a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1.5px;background:var(--brass-bright);transition:width .3s}
.menu a:hover,.menu a.active{color:var(--brass-deep)}
.menu a:hover::after,.menu a.active::after{width:100%}
.burger{display:none;background:none;border:none;cursor:pointer;width:30px;height:24px;position:relative}
.burger span{position:absolute;left:0;width:100%;height:2px;background:var(--ink);transition:.3s;border-radius:2px}
.burger span:nth-child(1){top:2px}.burger span:nth-child(2){top:11px}.burger span:nth-child(3){top:20px}

/* ---------- Page hero (sub pages) ---------- */
.page-hero{
  padding:150px 0 70px;text-align:center;
  background:radial-gradient(circle at 50% 0%,rgba(201,162,75,.10),transparent 60%),linear-gradient(160deg,#f6f2ea,#ece4d4);
}
.page-hero .eyebrow{font-family:"Cinzel",serif;font-size:.72rem;letter-spacing:.3em;color:var(--brass-deep);display:block;margin-bottom:14px;text-transform:uppercase}
.page-hero h1{font-family:"Shippori Mincho",serif;font-weight:700;font-size:clamp(2rem,5vw,3rem);letter-spacing:.08em}
.page-hero .bar{width:54px;height:2px;background:var(--brass-bright);margin:22px auto 0}

/* ---------- Section base ---------- */
section{position:relative}
.block{padding:84px 0}
.sec-head{margin-bottom:48px}
.sec-num{font-family:"Cinzel",serif;font-size:.76rem;letter-spacing:.3em;color:var(--brass);display:block;margin-bottom:12px}
.sec-title{font-family:"Shippori Mincho",serif;font-weight:700;font-size:clamp(1.6rem,4vw,2.3rem);letter-spacing:.05em;line-height:1.4}
.sec-title .en{display:block;font-family:"Cinzel",serif;font-size:.8rem;font-weight:600;letter-spacing:.26em;color:var(--brass-deep);margin-top:10px;text-transform:uppercase}

/* ---------- Buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:9px;text-decoration:none;font-weight:700;font-size:.92rem;letter-spacing:.04em;padding:15px 30px;border-radius:2px;transition:transform .25s,box-shadow .25s}
.btn-primary{background:linear-gradient(135deg,var(--brass-deep),var(--brass));color:#fdf8ec;box-shadow:0 6px 20px rgba(111,85,38,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 10px 28px rgba(111,85,38,.36)}
.btn-ghost{border:1.5px solid var(--brass);color:var(--brass-deep);background:transparent}
.btn-ghost:hover{background:rgba(154,123,63,.08);transform:translateY(-2px)}

/* ---------- Footer ---------- */
footer{background:var(--steel-dark);color:rgba(244,240,231,.7);padding:54px 0 30px}
.foot-top{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:20px;padding-bottom:28px;border-bottom:1px solid rgba(201,162,75,.16)}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand img{width:40px;height:40px;object-fit:contain}
.foot-brand .name{font-family:"Cinzel",serif;font-weight:700;letter-spacing:.12em;color:#f4f0e7;font-size:1.1rem}
.foot-nav{display:flex;gap:22px;flex-wrap:wrap}
.foot-nav a{color:rgba(244,240,231,.72);text-decoration:none;font-size:.86rem;transition:color .25s}
.foot-nav a:hover{color:var(--brass-bright)}
.foot-info{padding:24px 0 0;font-size:.82rem;line-height:1.8;color:rgba(244,240,231,.6)}
.foot-bottom{padding-top:18px;font-size:.76rem;letter-spacing:.04em;color:rgba(244,240,231,.5)}

/* ---------- Reveal ---------- */
.reveal{opacity:0;transform:translateY(26px);transition:opacity .8s ease,transform .8s ease}
.reveal.in{opacity:1;transform:none}

/* ---------- Responsive nav ---------- */
@media(max-width:760px){
  .menu{position:fixed;top:70px;right:0;width:76%;max-width:300px;height:calc(100vh - 70px);background:var(--paper);flex-direction:column;gap:0;padding:18px 0;transform:translateX(100%);transition:transform .35s ease;box-shadow:-10px 0 40px var(--shadow);border-left:1px solid var(--line)}
  .menu.open{transform:translateX(0)}
  .menu li{width:100%}
  .menu a{display:block;padding:16px 28px;font-size:1rem;border-bottom:1px solid var(--line)}
  .menu a::after{display:none}
  .burger{display:block}
  .burger.x span:nth-child(1){top:11px;transform:rotate(45deg)}
  .burger.x span:nth-child(2){opacity:0}
  .burger.x span:nth-child(3){top:11px;transform:rotate(-45deg)}
  .block{padding:60px 0}
  .page-hero{padding:120px 0 56px}
}