/* HIBI 悪い版のスタイル
   わざと入れている問題：薄い灰色の小さい文字、細い書体、小さいボタン、狭い間隔 */
:root {
  --paper: #FAFAF8;
  --ink-faint: #A9A9A9;   /* 本文に使っている薄すぎる灰色（コントラスト不足） */
  --ink-mid: #8E8E8E;
  --indigo: #2F3B55;
  --mustard: #C9A227;
  --line: #ECECEA;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--paper);
  color: var(--ink-faint);
  font-family: "Noto Sans JP", sans-serif;
  font-weight: 200;
  font-size: 12px;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }  /* 幅と高さの指定なし → 読み込み時に画面がずれる */

.site-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px; border-bottom: 1px solid var(--line); background: var(--paper);
}
.logo { font-family: "Jost", sans-serif; font-weight: 300; letter-spacing: .32em; font-size: 18px; color: var(--indigo); }
.header-nav { display: flex; gap: 6px; }
.header-nav a { font-size: 10px; padding: 2px 4px; }  /* 押せる範囲が小さい */

.sale-banner { background: var(--mustard); color: #fff; text-align: center; font-size: 11px; padding: 10px; }

.hero { position: relative; }
.hero-copy { padding: 28px 18px 8px; max-width: 1100px; margin: 0 auto; }
.hero-copy h1 { font-weight: 200; font-size: 26px; color: var(--ink-mid); margin: 0 0 6px; letter-spacing: .04em; }
.hero-copy p { margin: 0; font-size: 11px; }

.section { max-width: 1100px; margin: 0 auto; padding: 24px 18px; }
.section h2 { font-weight: 200; font-size: 15px; color: var(--ink-mid); margin: 0 0 14px; }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px 8px; }
@media (min-width: 760px) { .grid { grid-template-columns: repeat(4, 1fr); } }
.card .name { font-size: 11px; margin: 6px 0 0; }
.card .price { font-size: 10px; color: var(--ink-faint); }

.item { max-width: 1100px; margin: 0 auto; padding: 16px 18px 80px; display: grid; gap: 18px; }
@media (min-width: 900px) { .item { grid-template-columns: 1.1fr 1fr; } }
.thumbs { display: flex; gap: 4px; margin-top: 6px; }
.thumbs img { width: 52px; }
.crumbs { font-size: 9px; }
.item h1 { font-weight: 200; font-size: 18px; color: var(--ink-mid); margin: 4px 0; }
.item .price { font-size: 13px; color: var(--ink-mid); }
.label { font-size: 10px; margin: 14px 0 4px; }
.swatches, .sizes { display: flex; gap: 4px; flex-wrap: wrap; }
.swatch { width: 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line); cursor: pointer; }
.size { min-width: 28px; height: 26px; font-size: 10px; border: 1px solid var(--line); background: #fff; color: var(--ink-faint); cursor: pointer; padding: 0 4px; }
.size.is-selected { border-color: var(--indigo); color: var(--indigo); }
.size-table { width: 100%; border-collapse: collapse; font-size: 9px; margin-top: 8px; }
.size-table td, .size-table th { border-bottom: 1px solid var(--line); padding: 3px 2px; font-weight: 200; text-align: left; }
.add-to-cart { margin-top: 18px; width: 100%; height: 40px; background: var(--indigo); color: #cfd3dc; border: 0; font-size: 12px; font-weight: 200; letter-spacing: .1em; cursor: pointer; }
.desc { font-size: 11px; }

.reviews { border-top: 1px solid var(--line); padding-top: 10px; font-size: 10px; }
.reviews .stars { color: var(--mustard); letter-spacing: .1em; }

.chat-bubble { position: fixed; right: 12px; bottom: 12px; width: 64px; height: 64px; border-radius: 50%; background: var(--indigo); color: #fff; display: grid; place-items: center; font-size: 10px; box-shadow: 0 6px 18px rgba(47,59,85,.35); }

.coupon { position: fixed; inset: 0; background: rgba(20,24,32,.45); display: grid; place-items: center; z-index: 10; }
.coupon-box { background: #fff; width: min(86vw, 360px); padding: 26px 20px 20px; position: relative; text-align: center; }
.coupon-box h3 { font-weight: 200; color: var(--ink-mid); margin: 0 0 8px; font-size: 16px; }
.coupon-close { position: absolute; top: 6px; right: 8px; font-size: 13px; color: #cfcfcf; background: none; border: 0; padding: 0; cursor: pointer; }  /* 閉じるボタンが小さく、ほぼ見えない */
.coupon-get { margin-top: 12px; background: var(--mustard); color: #fff; border: 0; height: 40px; width: 100%; font-size: 12px; cursor: pointer; }

.toast { position: fixed; left: 50%; bottom: 90px; transform: translateX(-50%); background: var(--indigo); color: #fff; font-size: 11px; padding: 8px 14px; }

.site-footer { padding: 30px 18px; font-size: 9px; text-align: center; border-top: 1px solid var(--line); }