/* lifestyle goods demo */
:root{--ink:#243447;--sub:#5d6b7c;--bg:#f7fbff;--paper:#fff;--sky:#4aa3ff;--mint:#39c6a5;--sun:#ffc857;--pink:#ff8fab;--line:#d7e3f0}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:"Noto Sans JP",sans-serif;line-height:1.7}a{color:inherit;text-decoration:none}button,input{font:inherit}.wrap{width:min(1140px,calc(100% - 36px));margin:auto}
.site-header{position:sticky;top:var(--sg-back-h,40px);z-index:100;background:rgba(247,251,255,.95);border-bottom:1px solid var(--line)}.header-inner{width:min(1140px,calc(100% - 36px));margin:auto;min-height:74px;display:flex;align-items:center;gap:18px}.brand{display:flex;align-items:center;gap:10px;font-weight:800}.brand-mark{width:38px;height:38px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--sky),var(--mint));color:#fff;font-size:14px}.site-nav{margin-left:auto;display:flex;gap:18px;align-items:center;font-size:14px;font-weight:700}.site-nav a:hover{color:var(--sky)}.cart-count{display:inline-grid;place-items:center;min-width:20px;height:20px;border-radius:999px;background:var(--pink);color:#fff;font-size:11px}.nav-toggle{display:none;border:0;background:0;padding:8px}.nav-toggle span{display:block;width:22px;height:2px;margin:5px;background:var(--ink);border-radius:2px}
.hero{padding:34px 0 10px}.hero-board{display:grid;grid-template-columns:1.15fr .85fr;gap:18px}.hero-main{padding:42px;border-radius:28px;background:linear-gradient(90deg,rgba(247,251,255,.98) 0%,rgba(247,251,255,.9) 42%,rgba(247,251,255,.18) 78%),url("../images/hero.svg") 58% center/cover no-repeat;min-height:360px;display:flex;flex-direction:column;justify-content:end;position:relative;overflow:hidden}.hero-main:before,.hero-main:after{display:none}.hero-main h1{margin:0;max-width:12ch;font-size:clamp(34px,5vw,54px);line-height:1.2;position:relative;z-index:1}.hero-main p{max-width:36ch;position:relative;z-index:1}.hero-side{display:grid;gap:18px}.mini-panel{padding:24px;border-radius:24px;background:var(--paper);border:1px solid var(--line);min-height:160px}.mini-panel.sky{background:linear-gradient(160deg,#4aa3ff,#7ed0ff);color:#fff;border:0}.mini-panel.mint{background:linear-gradient(160deg,#39c6a5,#8be7cf);color:#fff;border:0}.btn{display:inline-flex;align-items:center;justify-content:center;min-height:46px;padding:0 20px;border-radius:999px;border:0;background:var(--ink);color:#fff;font-weight:700;cursor:pointer}.btn:hover{filter:brightness(1.05)}.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:18px;position:relative;z-index:1}
.section{padding:56px 0}.section-head{margin-bottom:22px}.section-head h1,.section-head h2{margin:0;font-size:clamp(28px,4vw,40px)}.label{margin:0 0 8px;color:var(--sky);font-size:12px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
.category-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.cat-card{padding:22px;border-radius:22px;background:var(--paper);border:1px solid var(--line);min-height:120px;display:flex;flex-direction:column;justify-content:space-between;transition:.2s}.cat-card:hover{transform:translateY(-4px);box-shadow:0 12px 24px #4aa3ff1f}.cat-card .dot{width:36px;height:36px;border-radius:12px;background:var(--tone,var(--sky))}.cat-b{--tone:var(--mint)}.cat-c{--tone:var(--sun)}.cat-d{--tone:var(--pink)}
.feature-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:14px}.feature-card{padding:26px;border-radius:24px;min-height:220px;color:#fff;display:flex;flex-direction:column;justify-content:end}.feature-card h3{margin:0;font-size:24px}.f1{background:linear-gradient(145deg,#4aa3ff,#6ec8ff)}.f2{background:linear-gradient(145deg,#39c6a5,#7be3c4)}.f3{background:linear-gradient(145deg,#ff8fab,#ffc2d1);color:#3a2430}
.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.product-card{background:var(--paper);border:1px solid var(--line);border-radius:22px;overflow:hidden;transition:.2s}.product-card:hover{transform:translateY(-4px);box-shadow:0 14px 28px #24344714}.product-thumb,.mini-thumb{background:linear-gradient(145deg,var(--tone,#9ed0ff),#fff);position:relative}.product-thumb{aspect-ratio:1.1}.product-thumb:before{content:"";position:absolute;width:46%;aspect-ratio:1;left:27%;top:24%;border-radius:28% 72% 40% 60%/50%;background:#fff9;box-shadow:0 10px 20px #24344722}.tone-b{--tone:#8fe0c8}.tone-c{--tone:#ffe29a}.tone-d{--tone:#ffb3c6}.tone-e{--tone:#b8c7ff}.tone-f{--tone:#c7f0a8}.product-body{padding:16px 18px 20px}.product-cat{margin:0;color:var(--sub);font-size:12px;font-weight:700}.product-body h3{margin:4px 0 8px;font-size:18px}.price,.detail-price{font-weight:800}.detail-price{font-size:28px;color:var(--sky)}.breadcrumb{padding-top:22px;color:var(--sub);font-size:13px}
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:36px}.detail-media .product-thumb{border-radius:28px}.detail-info{background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:28px}.specs{padding:0;list-style:none}.specs li{display:flex;justify-content:space-between;gap:16px;padding:12px 0;border-bottom:1px dashed var(--line)}.qty-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-top:22px}.qty-row input{width:72px;height:46px;border:1px solid var(--line);border-radius:14px;padding:0 10px}.demo-note{margin-top:16px;padding:12px 14px;border-radius:14px;background:#eef6ff;color:var(--sub);font-size:12px}
.cart-board{display:grid;grid-template-columns:1.4fr .8fr;gap:16px}.cart-list,.summary{background:var(--paper);border:1px solid var(--line);border-radius:24px}.cart-row{display:grid;grid-template-columns:78px 1fr auto;gap:14px;align-items:center;padding:16px;border-bottom:1px solid var(--line)}.mini-thumb{width:78px;height:78px;border-radius:18px}.cart-row input{width:64px;height:40px;border:1px solid var(--line);border-radius:12px;padding:0 8px}.summary{padding:22px;height:max-content}.summary-line{display:flex;justify-content:space-between;padding:10px 0}.summary-line.total{margin-top:8px;border-top:1px solid var(--line);font-size:20px;font-weight:800}.empty{padding:48px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:24px}
.complete{max-width:720px;margin:auto;padding:56px 28px;text-align:center;background:var(--paper);border:1px solid var(--line);border-radius:28px}.complete-mark{width:78px;height:78px;margin:0 auto 18px;border-radius:24px;display:grid;place-items:center;background:linear-gradient(135deg,var(--sky),var(--mint));color:#fff;font-size:34px}.complete h1{margin:0 0 12px;font-size:34px}.site-footer{padding:34px 0;background:#243447;color:#dce8f5}.footer-inner{display:flex;justify-content:space-between;gap:16px;font-size:13px}
@media(max-width:820px){.wrap,.header-inner{width:min(100% - 24px,1140px)}.nav-toggle{display:block;margin-left:auto}.site-nav{display:none;position:absolute;inset:74px 0 auto;padding:18px;background:var(--bg);border-bottom:1px solid var(--line);flex-direction:column;align-items:flex-start}.site-nav.is-open{display:flex}.hero-board,.category-row,.feature-grid,.product-grid,.detail-grid,.cart-board{grid-template-columns:1fr}.hero-main{background-position:55% center}.category-row{grid-template-columns:1fr 1fr}.cart-row{grid-template-columns:70px 1fr}.cart-row>div:last-child{grid-column:2}.footer-inner{flex-direction:column}}

img.product-thumb,img.mini-thumb,img.detail-thumb{
  display:block;width:100%;height:auto;object-fit:cover;background:#f3f1ec;
}
img.product-thumb{aspect-ratio:4/3}
img.mini-thumb{width:90px;height:auto;flex:0 0 90px}
/* 商品画像枠の差し替え注記（一覧・詳細） */
.product-media{
  position:relative;
  overflow:hidden;
}
.product-media::after{
  content:"イメージイラスト：画像に差し替え可能";
  position:absolute;
  left:0;right:0;bottom:0;
  z-index:2;
  padding:.55em .7em;
  background:rgba(26,26,26,.55);
  color:#fff;
  font-size:clamp(10px,1.55vw,12px);
  font-weight:600;
  line-height:1.35;
  text-align:center;
  letter-spacing:.02em;
  pointer-events:none;
}