/* ==========================================
   N1TR0 SHOPS — Cyber Gaming Theme
   Black × Electric Blue
   ========================================== */

/* フォントはhead.phpのpreloadで読み込み済み */
/* :root defined in critical CSS */

/* base styles defined in critical CSS */
a{color:var(--blue);text-decoration:none}
img{display:block;max-width:100%}
ul{list-style:none}
button{cursor:pointer;border:none;background:none;font:inherit}
input,select,textarea{font:inherit}

::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--blue2);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--blue)}

.container{max-width:1200px;margin:0 auto;padding:0 24px}

/* グリッドテクスチャ */
body::before{
  content:'';position:fixed;inset:0;z-index:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(0,170,255,.025) 1px,transparent 1px),
    linear-gradient(90deg,rgba(0,170,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
}

/* ==========================================
   ヘッダー
   ========================================== */
.header{
  position:sticky;top:0;z-index:1000;
  height:var(--hh);
  background:rgba(4,6,8,.94);
  backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border2);
}
.header::after{
  content:'';position:absolute;bottom:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent 0%,var(--blue) 30%,var(--cyan) 50%,var(--blue) 70%,transparent 100%);
  opacity:.4;
}
.header__inner{display:flex;align-items:center;height:100%;gap:28px}

/* ロゴ */
.header__logo{
  font-family:var(--font-hd);font-size:1.05rem;font-weight:900;
  letter-spacing:.08em;color:var(--white);white-space:nowrap;
  display:flex;align-items:center;gap:6px;
}
.logo-bracket{color:var(--blue2);font-weight:400}
.logo-accent{color:var(--blue);text-shadow:var(--glow-sm)}
.logo-sub{font-size:.65rem;color:var(--muted);letter-spacing:.25em;font-weight:400;margin-left:2px}

/* ナビ */
.header__nav{flex:1}
.header__nav-list{display:flex;align-items:center;gap:2px}
.header__nav-link{
  display:block;padding:8px 13px;
  font-family:var(--font-ui);font-size:.8rem;font-weight:700;
  letter-spacing:.12em;color:#7aaac8;
  transition:color .2s;position:relative;
}
.header__nav-link:hover{color:var(--blue)}
.header__nav-link::before{
  content:'';position:absolute;bottom:5px;left:13px;right:13px;
  height:1px;background:var(--blue);
  transform:scaleX(0);transition:transform .2s;transform-origin:left;
}
.header__nav-link:hover::before{transform:scaleX(1)}
.nav-sale{color:var(--red) !important}
.nav-arrow{font-size:.65rem;opacity:.6}

/* ドロップダウン */
.has-dropdown{position:relative}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;
  background:var(--panel);border:1px solid var(--border2);
  border-top:1px solid var(--blue);
  min-width:180px;padding:8px 0;
  opacity:0;pointer-events:none;
  transform:translateY(6px);transition:opacity .2s,transform .2s;
  box-shadow:var(--glow-sm);z-index:100;
}
.has-dropdown:hover .dropdown{opacity:1;pointer-events:auto;transform:translateY(0)}
.dropdown li a{
  display:block;padding:9px 18px;font-size:.82rem;color:var(--text);
  transition:background .15s,color .15s;letter-spacing:.05em;
}
.dropdown li a:hover{background:rgba(0,170,255,.08);color:var(--blue)}

/* アクション */
.header__actions{display:flex;align-items:center;gap:4px}
.hdr-btn{
  width:38px;height:38px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:var(--trans);border-radius:var(--r);
  position:relative;
}
.hdr-btn:hover{background:rgba(0,170,255,.1);color:var(--blue)}
.cart-badge{
  position:absolute;top:3px;right:3px;
  width:17px;height:17px;border-radius:50%;
  background:var(--blue);color:#000;
  font-size:.6rem;font-weight:900;
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-hd);
}
.hamburger{display:none;flex-direction:column;gap:5px;padding:9px}
.hamburger span{display:block;width:20px;height:1.5px;background:var(--text);transition:var(--trans)}

/* 検索バー */
.search-bar{
  background:var(--bg2);border-top:1px solid var(--border);
  padding:10px 0;display:none;
}
.search-bar.open{display:block}
.search-bar__form{display:flex;align-items:center;gap:0}
.search-bar__prefix{
  padding:9px 12px;background:var(--panel);border:1px solid var(--border2);
  border-right:none;color:var(--blue);font-family:var(--font-mo);font-size:.9rem;
  border-radius:var(--r) 0 0 var(--r);
}
.search-bar__input{
  flex:1;padding:9px 14px;background:var(--panel);
  border:1px solid var(--border2);border-right:none;
  color:var(--white);outline:none;font-family:var(--font-mo);font-size:.85rem;
}
.search-bar__input::placeholder{color:var(--muted)}
.search-bar__input:focus{border-color:var(--blue)}
.search-bar__btn{
  padding:9px 20px;background:var(--blue);color:#000;
  font-family:var(--font-ui);font-weight:700;font-size:.8rem;letter-spacing:.1em;
  border-radius:0 var(--r) var(--r) 0;transition:background .2s;
}
.search-bar__btn:hover{background:var(--cyan)}

/* フラッシュ */
.flash{
  position:fixed;top:calc(var(--hh)+12px);left:50%;
  transform:translateX(-50%);
  padding:12px 20px;border-radius:var(--r2);
  font-size:.875rem;z-index:2000;
  display:flex;align-items:center;gap:10px;
  box-shadow:0 4px 20px rgba(0,0,0,.4);
  animation:slideD .3s ease;
}
.flash--success{background:var(--panel);border:1px solid var(--blue);color:var(--blue)}
.flash--error{background:var(--panel);border:1px solid var(--red);color:var(--red)}
.flash__close{opacity:.6;font-size:1.1rem}
.flash__close:hover{opacity:1}
@keyframes slideD{from{opacity:0;transform:translateX(-50%) translateY(-10px)}}

/* ==========================================
   ヒーロー
   ========================================== */
.hero{
  position:relative;min-height:calc(100vh - var(--hh));
  display:flex;flex-direction:column;justify-content:center;
  overflow:hidden;padding:60px 0 0;
}
.hero__bg-grid{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 60% 50% at 70% 50%, rgba(0,100,200,.12) 0%, transparent 70%),
    radial-gradient(ellipse 40% 60% at 20% 80%, rgba(0,200,255,.06) 0%, transparent 60%);
}
.hero__scanline{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(0,0,0,.08) 2px,rgba(0,0,0,.08) 4px);
}
.hero__content{
  display:grid;grid-template-columns:1fr 1fr;
  gap:40px;align-items:center;position:relative;z-index:1;
}
.hero__eyebrow{
  font-family:var(--font-mo);font-size:.8rem;
  color:var(--blue);letter-spacing:.15em;
  margin-bottom:20px;
}
.blink{animation:blink 1s step-end infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:0}}
.hero__title{
  font-family:var(--font-hd);
  font-size:clamp(3rem,6vw,5.5rem);
  font-weight:900;line-height:1.0;
  color:var(--white);
  letter-spacing:.04em;
  margin-bottom:24px;
  animation:fadeUp .7s ease both;
}
.hero__title-accent{
  color:transparent;
  -webkit-text-stroke:2px var(--blue);
  text-shadow:var(--glow);
}
.hero__sub{
  font-size:1rem;color:var(--text);line-height:1.8;
  margin-bottom:40px;animation:fadeUp .7s .12s ease both;
}
.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
@keyframes fadeUp{from{opacity:0;transform:translateY(18px)}to{opacity:1;transform:none}}

/* PCビジュアル */
.hero__visual{display:flex;justify-content:center;align-items:center}
.hero__pc-frame{
  width:340px;height:220px;
  background:var(--panel);
  border:1px solid var(--border2);
  border-radius:var(--r2);position:relative;
  box-shadow:var(--glow),inset 0 0 40px rgba(0,170,255,.04);
}
.hero__pc-frame::before{
  content:'N1TR0 SHOPS v2.0 // SYSTEM';
  display:block;padding:8px 14px;
  font-family:var(--font-mo);font-size:.65rem;
  color:var(--blue2);border-bottom:1px solid var(--border);
  letter-spacing:.1em;
}
.hero__pc-screen{padding:14px 16px;position:relative;overflow:hidden}
.hero__pc-scanline{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(0,0,0,.15) 3px,rgba(0,0,0,.15) 4px);
}
.hero__pc-text{font-family:var(--font-mo);font-size:.78rem;line-height:1.9}
.hero__pc-glow{
  position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);
  width:200px;height:40px;
  background:var(--blue);filter:blur(30px);opacity:.15;
}
.mono-text{display:block}
.c-blue{color:var(--blue)}
.c-cyan{color:var(--cyan)}
.c-green{color:var(--green)}
.c-red{color:var(--red)}

/* ヒーロー統計 */
.hero__stats{
  display:flex;align-items:center;justify-content:center;
  gap:0;margin-top:60px;padding:20px 24px;
  background:rgba(12,24,40,.7);border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
  position:relative;z-index:1;
}
.stat-item{display:flex;flex-direction:column;align-items:center;padding:0 40px}
.stat-num{font-family:var(--font-hd);font-size:1.5rem;font-weight:900;color:var(--blue);text-shadow:var(--glow-sm)}
.stat-label{font-size:.75rem;color:var(--muted);letter-spacing:.1em;margin-top:2px}
.stat-divider{width:1px;height:36px;background:var(--border2)}

/* ==========================================
   セクション共通
   ========================================== */
.section{padding:80px 0;position:relative;z-index:1}
.section--dark{background:var(--bg2)}
.section-header{
  display:flex;align-items:baseline;gap:16px;flex-wrap:wrap;
  margin-bottom:40px;
}
.section-tag{
  font-family:var(--font-mo);font-size:.75rem;
  color:var(--blue);letter-spacing:.15em;white-space:nowrap;
}
.section-title{
  font-family:var(--font-hd);font-size:1.5rem;font-weight:700;
  color:var(--white);letter-spacing:.05em;
}
.section-more{
  margin-left:auto;font-size:.8rem;font-weight:700;
  color:var(--blue2);letter-spacing:.1em;
  transition:color .2s;
}
.section-more:hover{color:var(--blue)}

/* ==========================================
   カテゴリー
   ========================================== */
.cat-grid{
  display:grid;grid-template-columns:repeat(8,1fr);gap:12px;
}
.cat-card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r2);padding:20px 12px;
  text-align:center;transition:var(--trans);
  position:relative;overflow:hidden;
}
.cat-card::before{
  content:'';position:absolute;bottom:0;left:0;right:0;
  height:2px;background:var(--blue);
  transform:scaleX(0);transition:transform .25s;
}
.cat-card:hover{border-color:var(--blue2);background:rgba(0,100,180,.08);transform:translateY(-3px)}
.cat-card:hover::before{transform:scaleX(1)}
.cat-card__icon{font-size:1.8rem;margin-bottom:8px}
.cat-card__name{font-size:.78rem;font-weight:700;color:var(--white);letter-spacing:.05em;margin-bottom:4px}
.cat-card__count{font-size:.68rem;color:var(--muted);font-family:var(--font-mo)}
.cat-card__arrow{
  font-size:.75rem;color:var(--blue);margin-top:6px;
  opacity:0;transition:opacity .2s;
}
.cat-card:hover .cat-card__arrow{opacity:1}

/* ==========================================
   商品カード
   ========================================== */
.products-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.product-card{
  background:var(--panel);border:1px solid var(--border);
  border-radius:var(--r2);overflow:hidden;
  transition:var(--trans);position:relative;
}
.product-card:hover{border-color:var(--blue2);transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,170,255,.12)}
.product-card__badge{
  position:absolute;top:10px;left:10px;z-index:2;
  font-family:var(--font-hd);font-size:.6rem;font-weight:700;
  letter-spacing:.1em;padding:3px 9px;border-radius:2px;
}
.product-card__badge--new{background:var(--blue);color:#000}
.product-card__badge--sale{background:var(--red);color:#fff}

.product-card__img-wrap{display:block;position:relative;overflow:hidden}
.product-card__img{
  height:180px;display:flex;align-items:center;justify-content:center;
  background:var(--bg3);position:relative;
  border-bottom:1px solid var(--border);
}
.product-card__img::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at center,var(--accent,#00aaff) 0%,transparent 70%);
  opacity:.08;
}
.product-card__icon{font-size:3.5rem;position:relative;z-index:1;filter:drop-shadow(0 0 12px var(--accent,#00aaff))}
.product-card__img-glow{
  position:absolute;bottom:-10px;left:50%;transform:translateX(-50%);
  width:100px;height:20px;background:var(--accent,#00aaff);
  filter:blur(20px);opacity:.2;
}
.product-card__overlay{
  position:absolute;inset:0;
  background:rgba(0,20,40,.7);
  display:flex;align-items:center;justify-content:center;
  font-family:var(--font-hd);font-size:.72rem;font-weight:700;
  letter-spacing:.15em;color:var(--blue);
  opacity:0;transition:opacity .22s;
}
.product-card__img-wrap:hover .product-card__overlay{opacity:1}

.product-card__body{padding:14px 16px}
.product-card__cat{
  font-family:var(--font-mo);font-size:.65rem;
  color:var(--blue);letter-spacing:.12em;margin-bottom:4px;
}
.product-card__name{font-size:.9rem;font-weight:700;color:var(--white);margin-bottom:4px;line-height:1.35}
.product-card__name a:hover{color:var(--blue)}
.product-card__specs{font-size:.72rem;color:var(--muted);font-family:var(--font-mo);margin-bottom:12px;line-height:1.5}
.product-card__footer{display:flex;align-items:center;justify-content:space-between;gap:8px}
.product-card__price-wrap{display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}

/* 価格 */
.price{font-family:var(--font-hd);font-size:.95rem;font-weight:700;color:var(--white)}
.price--sale{color:var(--cyan)}
.price--orig{font-size:.75rem;color:var(--muted);text-decoration:line-through;font-weight:400;font-family:var(--font-ui)}
.price--lg{font-size:1.8rem}
.price-tax{font-size:.75rem;color:var(--muted)}
.discount-badge{
  background:var(--red);color:#fff;
  font-family:var(--font-hd);font-size:.62rem;font-weight:700;
  padding:3px 8px;border-radius:2px;letter-spacing:.05em;
}

/* カートボタン */
.btn-cart{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  background:rgba(0,170,255,.12);border:1px solid var(--border2);
  border-radius:var(--r);color:var(--blue);flex-shrink:0;
  transition:var(--trans);
}
.btn-cart:hover{background:var(--blue);color:#000;border-color:var(--blue)}

/* ==========================================
   ボタン
   ========================================== */
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 28px;border-radius:var(--r);
  font-family:var(--font-ui);font-size:.85rem;font-weight:700;
  letter-spacing:.12em;transition:var(--trans);
}
.btn--primary{
  background:var(--blue);color:#000;border:1px solid var(--blue);
}
.btn--primary:hover{background:var(--cyan);border-color:var(--cyan);box-shadow:var(--glow)}
.btn--ghost{
  background:transparent;color:var(--blue);
  border:1px solid var(--border2);
}
.btn--ghost:hover{border-color:var(--blue);background:rgba(0,170,255,.08)}
.btn--full{width:100%;justify-content:center}
.btn--lg{padding:15px 32px;font-size:.95rem}
.btn__icon{font-size:.7rem}

/* ==========================================
   プロモバナー
   ========================================== */
.promo-banner{
  position:relative;overflow:hidden;
  background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.promo-banner__bg{
  position:absolute;inset:0;
  background:
    radial-gradient(ellipse 50% 100% at 80% 50%, rgba(0,100,200,.15) 0%, transparent 70%),
    radial-gradient(ellipse 30% 80% at 10% 50%, rgba(0,200,255,.05) 0%, transparent 60%);
}
.promo-banner__inner{
  position:relative;z-index:1;
  display:flex;align-items:center;justify-content:space-between;
  padding:64px 24px;gap:40px;
}
.promo-banner__tag{font-family:var(--font-mo);font-size:.75rem;color:var(--blue);margin-bottom:12px}
.promo-banner__title{
  font-family:var(--font-hd);font-size:clamp(1.8rem,3.5vw,3rem);
  font-weight:900;color:var(--white);line-height:1.2;margin-bottom:12px;
}
.promo-banner__title strong{color:var(--blue);text-shadow:var(--glow)}
.promo-banner__sub{color:var(--text);margin-bottom:28px;font-size:.95rem}
.promo-banner__deco{position:relative;width:200px;height:200px;flex-shrink:0}
.deco-circle{
  position:absolute;border-radius:50%;border:1px solid rgba(0,170,255,.2);
  animation:spin 12s linear infinite;
}
.deco-circle:first-child{width:160px;height:160px;top:20px;left:20px}
.deco-circle--2{width:100px;height:100px;top:50px;left:50px;border-style:dashed;animation-direction:reverse;animation-duration:8s}
.deco-text{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);
  font-family:var(--font-hd);font-size:1.1rem;font-weight:900;
  color:var(--blue);opacity:.3;letter-spacing:.2em;
}
@keyframes spin{from{transform:rotate(0deg)}to{transform:rotate(360deg)}}

/* ==========================================
   フッター
   ========================================== */
.footer{
  background:var(--bg2);border-top:1px solid var(--border2);
  margin-top:0;position:relative;z-index:1;
}
.footer__grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;padding:56px 24px 40px;
}
.footer__logo{
  font-family:var(--font-hd);font-size:1rem;font-weight:900;
  letter-spacing:.08em;color:var(--white);display:inline-block;margin-bottom:10px;
}
.footer__tagline{font-family:var(--font-mo);font-size:.7rem;color:var(--muted);margin-bottom:20px;letter-spacing:.1em}
.footer__social{display:flex;gap:8px}
.social-btn{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border:1px solid var(--border2);border-radius:var(--r);
  color:var(--muted);font-size:.8rem;transition:var(--trans);
}
.social-btn:hover{border-color:var(--blue);color:var(--blue);background:rgba(0,170,255,.08)}
.footer__col-title{
  font-family:var(--font-mo);font-size:.7rem;color:var(--blue);
  letter-spacing:.2em;margin-bottom:14px;
}
.footer__links{display:flex;flex-direction:column;gap:8px}
.footer__links a{font-size:.82rem;color:#7aaac8;transition:color .2s;letter-spacing:.04em}
.footer__links a:hover{color:var(--blue)}
.footer__bottom{
  border-top:1px solid var(--border);
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 24px;flex-wrap:wrap;gap:10px;
}
.footer__copy{font-family:var(--font-mo);font-size:.68rem;color:#7aaac8;letter-spacing:.1em}
.footer__legal{display:flex;gap:16px}
.footer__legal a{font-size:.68rem;color:#7aaac8;letter-spacing:.08em;transition:color .2s}
.footer__legal a:hover{color:var(--blue)}

/* ==========================================
   ページ共通
   ========================================== */
.main{position:relative;z-index:1;min-height:60vh}
.page-hero{
  background:var(--bg2);border-bottom:1px solid var(--border2);
  padding:32px 0;
}
.page-hero__title{
  font-family:var(--font-hd);font-size:1.75rem;font-weight:900;
  color:var(--white);letter-spacing:.08em;margin-top:8px;
}
.page-hero__count{font-family:var(--font-mo);font-size:.75rem;color:var(--muted);margin-top:4px}

/* パンくず */
.breadcrumb{
  font-family:var(--font-mo);font-size:.72rem;
  color:#7aaac8;display:flex;gap:8px;align-items:center;
}
.breadcrumb a{color:var(--blue2)}
.breadcrumb a:hover{color:var(--blue)}

/* ==========================================
   商品一覧ページ
   ========================================== */
.products-layout{
  display:grid;grid-template-columns:200px 1fr;
  gap:32px;padding:32px 24px 80px;
}
.sidebar__block{margin-bottom:28px}
.sidebar__title{
  font-family:var(--font-mo);font-size:.68rem;color:var(--blue);
  letter-spacing:.2em;margin-bottom:10px;padding-bottom:8px;
  border-bottom:1px solid var(--border);
}
.sidebar__list{display:flex;flex-direction:column;gap:2px}
.sidebar__link{
  display:flex;justify-content:space-between;align-items:center;
  padding:7px 10px;border-radius:var(--r);
  font-size:.82rem;color:var(--muted);transition:var(--trans);
  border-left:2px solid transparent;
}
.sidebar__link:hover,.sidebar__link.active{
  background:rgba(0,170,255,.07);color:var(--blue);
  border-left-color:var(--blue);
}
.sidebar__link span{font-family:var(--font-mo);font-size:.68rem}

.products-toolbar{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:20px;padding-bottom:14px;
  border-bottom:1px solid var(--border);
}
.toolbar__count{font-family:var(--font-mo);font-size:.8rem}
.toolbar__sort{display:flex;align-items:center;gap:8px;font-size:.8rem;font-weight:600;color:var(--muted)}
.toolbar__sort select{
  padding:6px 10px;background:var(--panel);
  border:1px solid var(--border2);color:var(--text);
  border-radius:var(--r);outline:none;
}
.toolbar__sort select:focus{border-color:var(--blue)}

.products-area{padding:32px 0 80px}

/* ==========================================
   商品詳細
   ========================================== */
.product-detail{
  display:grid;grid-template-columns:1fr 1fr;
  gap:56px;padding:32px 0 80px;
}
.product-detail__main-img{
  aspect-ratio:1;background:var(--panel);
  border:1px solid var(--border2);border-radius:var(--r2);
  display:flex;align-items:center;justify-content:center;
  position:relative;overflow:hidden;margin-bottom:12px;
}
.product-detail__main-img::before{
  content:'';position:absolute;inset:0;
  background:radial-gradient(circle at center,var(--accent,#00aaff) 0%,transparent 60%);
  opacity:.07;
}
.product-detail__scanline{
  position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 3px,rgba(0,0,0,.1) 3px,rgba(0,0,0,.1) 4px);
}
.product-detail__icon{font-size:7rem;position:relative;z-index:1;filter:drop-shadow(0 0 20px var(--accent,#00aaff))}
.product-detail__glow{
  position:absolute;bottom:-20px;left:50%;transform:translateX(-50%);
  width:160px;height:40px;background:var(--accent,#00aaff);
  filter:blur(30px);opacity:.2;
}
.product-detail__thumbs{display:flex;gap:10px}
.product-detail__thumb{
  width:76px;height:76px;background:var(--panel);
  border:1px solid var(--border);border-radius:var(--r);
  display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;cursor:pointer;transition:var(--trans);
}
.product-detail__thumb.active,.product-detail__thumb:hover{border-color:var(--blue)}

.product-detail__cat{font-family:var(--font-mo);font-size:.72rem;color:var(--blue);letter-spacing:.15em;margin-bottom:6px}
.product-detail__name{font-family:var(--font-hd);font-size:1.6rem;font-weight:900;color:var(--white);margin-bottom:8px;line-height:1.25}
.product-detail__specs-line{font-family:var(--font-mo);font-size:.78rem;color:var(--muted);margin-bottom:20px}
.product-detail__price-block{display:flex;align-items:baseline;gap:12px;flex-wrap:wrap;margin-bottom:14px}
.stock-status{margin-bottom:18px;font-size:.82rem}
.in-stock{color:var(--green)}
.out-stock{color:var(--red)}
.product-detail__desc{font-size:.9rem;color:var(--text);line-height:1.85;margin-bottom:24px;border-left:2px solid var(--border2);padding-left:14px}

.product-detail__qty-row{display:flex;align-items:center;gap:16px;margin-bottom:18px}
.qty-label{font-family:var(--font-hd);font-size:.75rem;font-weight:700;color:var(--muted);letter-spacing:.15em}
.qty-input{display:flex;align-items:center}
.qty-btn{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  background:var(--panel);border:1px solid var(--border2);
  color:var(--blue);font-size:1.1rem;transition:var(--trans);
}
.qty-btn:first-child{border-radius:var(--r) 0 0 var(--r)}
.qty-btn:last-child{border-radius:0 var(--r) var(--r) 0}
.qty-btn:hover{background:rgba(0,170,255,.1)}
.qty-input input{
  width:52px;height:34px;text-align:center;
  background:var(--panel);border:1px solid var(--border2);
  border-left:none;border-right:none;
  color:var(--white);outline:none;font-family:var(--font-hd);font-weight:700;
}
.product-detail__actions{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}
.product-detail__meta{border-top:1px solid var(--border);padding-top:18px}
.meta-row{
  display:flex;justify-content:space-between;
  font-size:.82rem;padding:8px 0;border-bottom:1px solid var(--border);
}
.meta-row span:first-child{color:var(--muted);font-family:var(--font-mo);font-size:.72rem;letter-spacing:.08em}

/* ==========================================
   カート
   ========================================== */
.cart-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;padding:32px 0 80px}
.empty-state{text-align:center;padding:80px 24px}
.empty-state__icon{font-size:3.5rem;margin-bottom:16px}
.empty-state__text{color:var(--muted);margin-bottom:28px;font-size:.9rem}
.cart-header{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;
  gap:16px;padding:0 0 10px;
  font-family:var(--font-mo);font-size:.65rem;letter-spacing:.15em;
  color:var(--blue);border-bottom:1px solid var(--border);
}
.cart-item{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr auto;
  gap:16px;align-items:center;
  padding:18px 0;border-bottom:1px solid var(--border);
}
.cart-item__product{display:flex;align-items:center;gap:12px}
.cart-item__img{
  width:56px;height:56px;background:var(--panel);
  border:1px solid var(--border);border-radius:var(--r);
  display:flex;align-items:center;justify-content:center;
  font-size:1.8rem;flex-shrink:0;
}
.cart-item__name{font-size:.85rem;font-weight:700;color:var(--white)}
.cart-item__price,.cart-item__subtotal{font-family:var(--font-hd);font-size:.85rem;color:var(--white)}
.remove-btn{
  width:28px;height:28px;display:flex;align-items:center;justify-content:center;
  color:var(--muted);border-radius:var(--r);font-size:.85rem;
  transition:var(--trans);border:1px solid transparent;
}
.remove-btn:hover{color:var(--red);border-color:var(--red);background:rgba(255,34,68,.08)}

/* サマリー */
.cart-summary{
  background:var(--panel);border:1px solid var(--border2);
  border-radius:var(--r2);padding:24px;height:fit-content;
  position:sticky;top:calc(var(--hh)+16px);
}
.cart-summary__title{
  font-family:var(--font-mo);font-size:.75rem;color:var(--blue);
  letter-spacing:.2em;margin-bottom:18px;padding-bottom:12px;
  border-bottom:1px solid var(--border);
}
.summary-row{
  display:flex;justify-content:space-between;
  font-size:.88rem;margin-bottom:10px;
}
.summary-row em{font-style:normal}
.free-ship-msg{
  font-family:var(--font-mo);font-size:.7rem;color:var(--blue);
  margin-bottom:12px;padding:8px;
  background:rgba(0,170,255,.06);border:1px solid var(--border2);
  border-radius:var(--r);text-align:center;
}
.summary-total{
  display:flex;justify-content:space-between;
  font-family:var(--font-hd);font-size:1.05rem;font-weight:700;
  color:var(--white);
  padding:14px 0;margin:12px 0;
  border-top:1px solid var(--border);border-bottom:1px solid var(--border);
}
.coupon-row{display:flex;gap:0;margin-top:14px}
.coupon-input{
  flex:1;padding:8px 10px;background:var(--bg3);
  border:1px solid var(--border);border-right:none;
  border-radius:var(--r) 0 0 var(--r);
  color:var(--white);font-size:.78rem;outline:none;
  font-family:var(--font-mo);letter-spacing:.08em;
}
.coupon-input:focus{border-color:var(--blue)}
.coupon-input::placeholder{color:var(--muted)}
.coupon-btn{
  padding:8px 12px;background:var(--border2);color:var(--blue);
  font-family:var(--font-ui);font-size:.72rem;font-weight:700;letter-spacing:.1em;
  border-radius:0 var(--r) var(--r) 0;transition:var(--trans);
}
.coupon-btn:hover{background:var(--blue);color:#000}

/* ==========================================
   チェックアウト
   ========================================== */
.checkout-steps{
  display:flex;align-items:center;justify-content:center;
  gap:0;margin:32px 0 40px;
}
.step{display:flex;flex-direction:column;align-items:center;gap:5px}
.step-num{
  font-family:var(--font-hd);font-size:.8rem;font-weight:900;
  width:36px;height:36px;border-radius:var(--r);
  border:1px solid var(--border2);color:var(--muted);
  display:flex;align-items:center;justify-content:center;
  transition:var(--trans);
}
.step-label{font-size:.65rem;font-family:var(--font-mo);color:var(--muted);letter-spacing:.1em}
.step.active .step-num{background:var(--blue);border-color:var(--blue);color:#000;box-shadow:var(--glow-sm)}
.step.active .step-label{color:var(--blue)}
.step-line{width:60px;height:1px;background:var(--border);margin:0 8px 18px}

.checkout-layout{display:grid;grid-template-columns:1fr 300px;gap:32px;padding-bottom:80px}
.checkout-form-area{}
.form-section{margin-bottom:28px;padding-bottom:28px;border-bottom:1px solid var(--border)}
.form-section__title{
  font-family:var(--font-mo);font-size:.75rem;color:var(--blue);
  letter-spacing:.2em;margin-bottom:18px;
}
.form-group{margin-bottom:14px}
.form-group--grow{flex:1}
.form-row{display:flex;gap:14px}
.form-group label{
  display:block;font-size:.78rem;font-weight:700;
  color:var(--text);margin-bottom:5px;letter-spacing:.06em;
}
.req{color:var(--red)}
.form-input{
  width:100%;padding:10px 12px;
  background:var(--panel);border:1px solid var(--border2);
  border-radius:var(--r);color:var(--white);outline:none;
  font-size:.88rem;transition:border-color .2s;
}
.form-input::placeholder{color:var(--muted)}
.form-input:focus{border-color:var(--blue);box-shadow:0 0 0 2px rgba(0,170,255,.12)}
.form-textarea{min-height:80px;resize:vertical}
.form-input option{background:var(--panel)}

.payment-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.payment-opt{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;background:var(--panel);
  border:1px solid var(--border);border-radius:var(--r);
  cursor:pointer;transition:var(--trans);font-size:.85rem;
}
.payment-opt:has(input:checked){border-color:var(--blue);background:rgba(0,170,255,.07)}
.payment-opt input{accent-color:var(--blue)}
.payment-opt__icon{font-size:1.3rem}

.checkout-item{
  display:flex;align-items:center;gap:10px;
  font-size:.82rem;padding:10px 0;border-bottom:1px solid var(--border);
}
.checkout-item__icon{font-size:1.4rem}
.checkout-item__name{flex:1;color:var(--text)}
.checkout-item__price{font-family:var(--font-hd);font-size:.82rem;color:var(--white);white-space:nowrap}

.alert-error{
  padding:12px 16px;background:rgba(255,34,68,.08);
  border:1px solid rgba(255,34,68,.3);border-radius:var(--r);
  color:var(--red);margin-bottom:20px;font-size:.85rem;
}
.alert-error ul{padding-left:16px}

/* ==========================================
   注文完了
   ========================================== */
.order-complete{
  text-align:center;padding:80px 24px;
  max-width:480px;margin:0 auto;
}
.order-complete__icon{
  width:72px;height:72px;border-radius:50%;
  background:transparent;border:2px solid var(--green);
  color:var(--green);font-size:2rem;
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 24px;
  box-shadow:0 0 20px rgba(0,255,136,.3);
  animation:popIn .4s ease both;
}
@keyframes popIn{from{transform:scale(.5);opacity:0}to{transform:scale(1);opacity:1}}
.order-complete__title{font-family:var(--font-hd);font-size:1.6rem;font-weight:900;color:var(--white);margin-bottom:16px;letter-spacing:.1em}
.order-complete__msg{color:var(--text);font-size:.9rem;line-height:1.9;margin-bottom:8px}
.order-complete__email{color:var(--muted);font-family:var(--font-mo);font-size:.78rem;margin-bottom:28px}
.order-complete__total{
  font-family:var(--font-hd);font-size:1.2rem;font-weight:700;color:var(--cyan);
  margin-bottom:32px;padding:16px;
  background:var(--panel);border:1px solid var(--border2);
  border-radius:var(--r2);box-shadow:var(--glow-sm);
  letter-spacing:.05em;
}

/* ==========================================
   レスポンシブ
   ========================================== */
@media(max-width:1100px){
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .products-grid{grid-template-columns:repeat(3,1fr)}
  .footer__grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  :root{--hh:56px}
  .header__nav{
    display:none;position:fixed;
    inset:0;top:var(--hh);
    background:rgba(4,6,8,.97);backdrop-filter:blur(20px);
    z-index:999;padding:24px;overflow-y:auto;
  }
  .header__nav.open{display:block}
  .header__nav-list{flex-direction:column;gap:0}
  .header__nav-link{padding:14px 0;font-size:.9rem;border-bottom:1px solid var(--border);color:var(--text)}
  .hamburger{display:flex}
  .dropdown{position:static;transform:none;opacity:1;pointer-events:auto;box-shadow:none;border:none;background:transparent;padding:0 0 0 14px}
  .has-dropdown:hover .dropdown{transform:none}
  .hero__content{grid-template-columns:1fr}
  .hero__visual{display:none}
  .hero__stats{flex-wrap:wrap;gap:20px;justify-content:center}
  .stat-divider{display:none}
  .cat-grid{grid-template-columns:repeat(4,1fr)}
  .products-grid{grid-template-columns:repeat(2,1fr);gap:12px}
  .products-layout{grid-template-columns:1fr}
  .sidebar{display:none}
  .product-detail{grid-template-columns:1fr;gap:28px}
  .cart-layout,.checkout-layout{grid-template-columns:1fr}
  .cart-header{display:none}
  .cart-item{grid-template-columns:1fr auto;grid-template-rows:auto auto auto}
  .cart-item__product{grid-column:1/-1}
  .promo-banner__inner{flex-direction:column;text-align:center}
  .footer__grid{grid-template-columns:1fr;gap:24px}
  .payment-grid{grid-template-columns:1fr}
}
@media(max-width:480px){
  .products-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .hero__title{font-size:2.8rem}
}

/* ==========================================
   アクセシビリティ追加スタイル
   ========================================== */

/* スキップリンク */
.skip-link{
  position:absolute;top:-100px;left:16px;
  background:var(--blue);color:#000;
  font-family:var(--font-ui);font-weight:700;font-size:.85rem;
  padding:10px 18px;border-radius:0 0 var(--r2) var(--r2);
  z-index:9999;transition:top .2s;
  letter-spacing:.08em;
}
.skip-link:focus{top:0}

/* フォーカスリング強化 */
:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
  border-radius:var(--r);
}

/* hdr-btnフォーカス */
.hdr-btn:focus-visible,
.btn:focus-visible,
.btn-cart:focus-visible{
  outline:2px solid var(--blue);
  outline-offset:3px;
}

/* ==========================================
   XREA広告バナー強制非表示
   ========================================== */
img[src*="colorfulbox"],
img[src*="xrea"],
a[href*="colorfulbox"],
a[href*="xrea"] img{
  display:none!important;
  width:0!important;height:0!important;
  position:absolute!important;
  visibility:hidden!important;
  overflow:hidden!important;
}
/* XREAが挿入するラッパーdivも隠す */
body > div:has(img[src*="colorfulbox"]),
body > div:has(a[href*="colorfulbox"]),
body > center:first-of-type{
  display:none!important;
}

/* ==========================================
   商品画像
   ========================================== */
.product-card__photo{
  width:100%;height:100%;
  object-fit:cover;
  border-radius:0;
  transition:transform .4s ease;
  display:block;
}
.product-card__img-wrap:hover .product-card__photo{
  transform:scale(1.05);
}
.product-detail__photo{
  width:100%;height:100%;
  object-fit:contain;
  border-radius:var(--r2);
  position:relative;z-index:1;
}
.product-detail__thumb img{
  width:100%;height:100%;
  object-fit:cover;border-radius:var(--r);
}