:root {
  --bg: #faf9f6;
  --fg: #222;
  --muted: #777;
  --line: #e6e3dc;
  --accent: #2a9d8f;
  --max: 1080px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font-family: "Helvetica Neue", "Hiragino Sans", "Noto Sans JP", sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
img { max-width: 100%; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 16px; }

/* header */
.site-header { border-bottom: 1px solid var(--line); background: #fff; position: sticky; top: 0; z-index: 10; }
.site-header .container { display: flex; align-items: center; justify-content: space-between; height: 60px; }
.logo { white-space: nowrap; font-weight: 800; letter-spacing: .2em; text-decoration: none; font-size: 18px; }
.nav { display: flex; gap: 20px; font-size: 13px; white-space: nowrap; }
.nav a { text-decoration: none; }
.nav a:hover, .nav a[aria-current] { color: var(--accent); }

/* hero */
.hero { padding: 72px 0 56px; text-align: center; background: linear-gradient(180deg, #fff, var(--bg)); }
.hero h1 { font-size: clamp(26px, 5vw, 40px); margin: 0 0 12px; letter-spacing: .06em; }
.hero p { color: var(--muted); margin: 0 0 24px; }
.btn { display: inline-block; background: var(--fg); color: #fff; text-decoration: none; padding: 12px 28px; border-radius: 99px; font-size: 14px; border: 0; cursor: pointer; }
.btn:hover { opacity: .85; }

section { padding: 40px 0; }
.section-title { font-size: 20px; letter-spacing: .1em; margin: 0 0 4px; }
.section-lead { color: var(--muted); font-size: 13px; margin: 0 0 20px; }

/* product grid */
.products { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 20px; }
.product-card { text-decoration: none; display: block; }
.product-card .name { font-size: 13px; margin-top: 8px; }
.product-card .price { font-size: 13px; color: var(--muted); }
.thumb { display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover; border-radius: 8px; background: #eee; }

/* product detail */
.pdp { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; padding-top: 32px; }
.pdp h1 { font-size: 22px; margin: 0 0 8px; }
.pdp .price { font-size: 20px; margin-bottom: 16px; }
.pdp .desc { color: #444; font-size: 14px; }
.sizes { display: flex; gap: 8px; margin: 16px 0 24px; }
.sizes label { border: 1px solid var(--line); border-radius: 6px; padding: 6px 14px; font-size: 13px; cursor: pointer; background: #fff; }
.sizes input { display: none; }
.sizes input:checked + span { color: var(--accent); font-weight: 700; }
.breadcrumb { font-size: 12px; color: var(--muted); padding-top: 16px; }
.breadcrumb a { text-decoration: none; }

.widget-box { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 20px; }

/* LEEEP タグ設置予定の場所（タグを入れたら不要） */
.leeep-slot { border: 2px dashed var(--line); border-radius: 12px; padding: 40px 16px; text-align: center; color: var(--muted); font-size: 13px; background: #fff; }
.leeep-slot p { margin: 4px 0; }
.leeep-slot-title { font-weight: 700; color: var(--fg); font-size: 15px; }
.leeep-slot code { background: var(--bg); padding: 2px 6px; border-radius: 4px; }


.toast { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); background: var(--fg); color: #fff; padding: 10px 20px; border-radius: 99px; font-size: 13px; opacity: 0; transition: opacity .3s; pointer-events: none; }
.toast.show { opacity: 1; }

.site-footer { border-top: 1px solid var(--line); margin-top: 40px; padding: 24px 0; font-size: 12px; color: var(--muted); text-align: center; }

@media (max-width: 640px) {
  .site-header .container { flex-wrap: wrap; height: auto; padding-top: 10px; padding-bottom: 10px; row-gap: 6px; }
  .nav { gap: 14px; font-size: 11px; width: 100%; overflow-x: auto; }
  .logo { font-size: 15px; letter-spacing: .12em; }
  .pdp { grid-template-columns: 1fr; gap: 20px; }
  #pdp-img { width: 70%; margin: 0 auto; }
}