:root{
  --color-main:#111111; --color-main-dark:#000000; --color-main-thin:rgba(20,50,120,.05);
  --color-text:#222; --color-link:#1a4fd0; --color-bg:#fdfdfd; --color-border:rgba(150,150,150,.2);
  --color-blue:#1a4fd0; --color-gold:#c9a227; --color-red:#c8102e; --color-red-dark:#8f0b20;
  --grad1:#e8efff; --grad2:#9db8f5;
  --container:1200px; --article:900px;
}
*{box-sizing:border-box}
body{margin:0;font-family:"Noto Sans JP",sans-serif;color:var(--color-text);background:var(--color-bg);line-height:1.8;font-size:16px}
a{color:inherit;text-decoration:none}
img{max-width:100%}
.container{max-width:var(--container);margin:0 auto;padding:0 20px}

/* header */
.l-header{position:sticky;top:0;z-index:50;background:#fff;box-shadow:0 1px 4px rgba(0,0,0,.12)}
.l-header__inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{font-weight:700;font-size:22px;color:var(--color-main);letter-spacing:.04em}
.gnav{display:flex;gap:28px;list-style:none;margin:0;padding:0;font-size:14px}
.gnav a{position:relative;padding:8px 0;display:block}
.gnav a::after{content:"";position:absolute;left:0;bottom:0;width:100%;height:2px;background:var(--color-main);transform:scaleX(0);transition:transform .25s;transform-origin:left}
.gnav a:hover::after,.gnav .current a::after{transform:scaleX(1)}
.menu-btn{display:none;background:none;border:0;font-size:26px;color:var(--color-main);cursor:pointer}

/* main visual */
.mv{position:relative;height:50vh;min-height:360px;display:flex;align-items:center;color:#fff;
  background:linear-gradient(135deg,#000 0%,#0b1f5c 55%,var(--color-blue) 130%)}
.mv h1{border-bottom:3px solid var(--color-gold);display:inline-block;padding-bottom:8px}
.mv::before{content:"";position:absolute;inset:0;background:rgba(0,0,0,.25)}
.mv .container{position:relative}
.mv h1{font-size:clamp(26px,4vw,44px);line-height:1.4;margin:0 0 12px;text-shadow:0 2px 8px rgba(0,0,0,.4)}
.mv p{margin:0;font-size:clamp(14px,1.6vw,18px);opacity:.95}
.mv .scroll{position:absolute;bottom:16px;left:50%;transform:translateX(-50%);font-size:11px;letter-spacing:.2em}

/* sections */
section{padding:64px 0}
.sec-title{font-size:26px;color:var(--color-main);margin:0 0 32px;padding-left:14px;border-left:solid 4px var(--color-gold)}
.sec-title small{display:block;font-size:12px;color:var(--color-gold);letter-spacing:.15em}
.alt{background:var(--color-main-thin)}

/* post slider / list */
.slider{display:flex;gap:20px;overflow-x:auto;scroll-snap-type:x mandatory;padding-bottom:12px}
.slider .card{flex:0 0 280px;scroll-snap-align:start}
.grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.card{background:#fff;border-radius:6px;overflow:hidden;box-shadow:0 2px 8px rgba(0,0,0,.06);transition:transform .2s}
.card:hover{transform:translateY(-3px)}
.thumb{aspect-ratio:16/9;background:linear-gradient(135deg,var(--grad1),var(--grad2))}
.card-body{padding:16px}
.card-body h3{margin:0 0 6px;font-size:16px;line-height:1.5}
.meta{font-size:12px;color:#888}

/* profile */
.profile{display:grid;grid-template-columns:240px 1fr;gap:40px;align-items:center;max-width:var(--article);margin:0 auto}
.avatar{width:240px;height:240px;border-radius:50%;background:linear-gradient(135deg,var(--color-blue),#000);border:4px solid var(--color-gold)}

/* CTA */
.cta{text-align:center;background:linear-gradient(135deg,var(--grad1),var(--grad2))}
.btn{display:inline-block;padding:16px 44px;border-radius:50px;background:var(--color-red);color:#fff;font-weight:700;box-shadow:0 4px 0 var(--color-red-dark);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(2px);box-shadow:0 2px 0 var(--color-red-dark)}

/* pagination */
.pager{display:flex;gap:8px;justify-content:center;margin-top:36px}
.pager a{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;border:1px solid var(--color-border);background:#fff}
.pager .current{background:var(--color-blue);color:#fff;border-color:var(--color-blue)}

/* footer */
.l-footer{background:var(--color-main-dark);border-top:4px solid var(--color-gold);color:#d6d6d6;padding:48px 0 24px;font-size:14px}
.l-footer ul{list-style:none;display:flex;flex-wrap:wrap;gap:20px;padding:0;margin:0 0 24px}
.copy{border-top:1px solid rgba(255,255,255,.15);padding-top:16px;font-size:14px}
#pagetop{position:fixed;right:16px;bottom:16px;width:44px;height:44px;border-radius:50%;background:var(--color-main);color:#fff;display:grid;place-items:center}

@media(max-width:768px){
  .gnav{display:none;position:absolute;top:72px;left:0;right:0;background:#fff;flex-direction:column;gap:0;padding:8px 20px;box-shadow:0 4px 8px rgba(0,0,0,.1)}
  .gnav.open{display:flex}.gnav a{padding:14px 0;border-bottom:1px solid var(--color-border)}
  .menu-btn{display:block}
  .grid{gap:14px}
  .profile{grid-template-columns:1fr;text-align:center}.avatar{margin:0 auto;width:160px;height:160px}
  section{padding:44px 0}
}

/* ---- 在庫確認の試作品の説明ページ用（テンプレートに追加） ---- */
.article{max-width:var(--article)}
.mv{height:auto;min-height:0;padding:56px 0}
.list{padding-left:1.4em;margin:0 0 16px}
.list li{margin:6px 0}
.list--num{list-style:decimal}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.box{background:#fff;border-radius:6px;padding:20px 22px;box-shadow:0 2px 8px rgba(0,0,0,.06);border-top:4px solid var(--color-blue)}
.box--cannot{border-top-color:#666}
.box h3{margin:0 0 8px;font-size:18px;color:var(--color-main)}
.screen{margin:0;text-align:center}
.screen img{border:1px solid var(--color-border);border-radius:6px;height:auto;background:#f3f3f3}
.screen figcaption{font-size:14px;color:#555;margin-top:8px}
.center{text-align:center}
.small{font-size:14px;color:#555}
.btn--blue{background:var(--color-blue);box-shadow:0 4px 0 #0f2f80}
.btn--blue:hover{box-shadow:0 2px 0 #0f2f80}
.cta__title{font-size:24px;margin:0 0 8px;color:var(--color-main)}
.cta .small{color:#333}
.l-footer p{margin:0 0 8px}
@media(max-width:768px){.two-col{grid-template-columns:1fr}}
.note{font-size:16px;color:#333}
.mv-btns{margin-top:20px;display:flex;flex-wrap:wrap;gap:12px}
.btn--ghost{background:#fff;color:var(--color-blue);box-shadow:0 4px 0 #9db8f5}
.btn--ghost:hover{box-shadow:0 2px 0 #9db8f5}