/* 通販ショップの画面。色と書体は U-COFFEE のホームページ（ucoffee.jp）に合わせている。 */
:root {
  --linen: #F4F1EC;
  --paper: #FBFAF7;
  --green: #5A7A5A;
  --green-dark: #48644A;
  --brown: #9B7B5A;
  --beige: #E8E0D0;
  --logo-brown: #46312B;
  --ink: #3B3B33;
  --ink-soft: #6E6E60;
  --danger: #A04A3A;
  --radius: 14px;
  --maxw: 960px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  background: var(--linen);
  color: var(--ink);
  font-family: "Zen Kaku Gothic New", sans-serif;
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: .02em;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
main { flex: 1; }
.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 16px; }
@media (min-width: 600px) { .wrap { padding: 0 24px; } }

/* ---------- header ---------- */
.site-header {
  padding: 14px 0;
  border-bottom: 1px solid var(--beige);
  background: color-mix(in srgb, var(--linen) 88%, white);
  position: sticky; top: 0; z-index: 20;
  backdrop-filter: blur(6px);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.wordmark {
  font-family: "IBM Plex Mono", monospace;
  font-weight: 500; font-size: 17px; letter-spacing: .14em;
  text-decoration: none; color: var(--logo-brown);
}
.header-right { display: flex; align-items: center; gap: 14px; }
.header-link { font-size: 13px; color: var(--ink-soft); text-decoration: none; letter-spacing: .04em; }
.header-link:hover { color: var(--green); }
.cart-link {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 14px; text-decoration: none; color: var(--ink);
  padding: 6px 12px; border-radius: 999px; border: 1px solid var(--beige);
  background: var(--paper);
}
.cart-link:hover { border-color: var(--green); color: var(--green); }
.cart-link svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; }
.cart-count {
  min-width: 20px; height: 20px; border-radius: 999px; padding: 0 6px;
  background: var(--green); color: #fff; font-size: 12px; line-height: 20px; text-align: center;
  font-family: "IBM Plex Mono", monospace;
}

.notice {
  background: var(--beige); color: var(--ink);
  font-size: 13.5px; text-align: center; padding: 8px 16px;
}

/* ---------- messages ---------- */
.messages { list-style: none; margin: 20px 0 0; display: grid; gap: 8px; }
.messages li {
  padding: 10px 14px; border-radius: 10px; font-size: 14px;
  background: var(--paper); border: 1px solid var(--beige);
}
.messages .success { border-color: var(--green); color: var(--green-dark); }
.messages .error, .messages .warning { border-color: var(--danger); color: var(--danger); }

/* ---------- headings ---------- */
.page-title {
  font-family: "Shippori Mincho", serif;
  font-weight: 600; letter-spacing: .05em; line-height: 1.4;
  font-size: clamp(24px, 5vw, 32px);
  margin: 32px 0 8px;
}
.lede { color: var(--ink-soft); font-size: 15px; max-width: 40em; white-space: pre-line; }

/* ---------- home intro（最初の画面で商品が見えるよう短く） ---------- */
.intro { margin: 24px 0 18px; }
.shop-title {
  font-family: "Shippori Mincho", serif; font-weight: 600; letter-spacing: .05em; line-height: 1.4;
  font-size: clamp(20px, 4vw, 24px);
}
.tagline { color: var(--ink-soft); font-size: 14px; margin-top: 2px; }
.about { margin-bottom: 56px; }
.about-actions { margin-top: 28px; display: flex; gap: 10px; flex-wrap: wrap; }
.section-label {
  font-family: "IBM Plex Mono", monospace;
  font-size: 12px; letter-spacing: .16em; color: var(--green);
  margin: 40px 0 14px;
}

/* ---------- product grid ---------- */
.grid {
  display: grid; gap: 20px 16px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 48px;
}
@media (min-width: 720px) { .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px 24px; } }
.card { text-decoration: none; color: inherit; display: block; }
.card-image {
  aspect-ratio: 1 / 1; border-radius: var(--radius); overflow: hidden;
  background: var(--beige); position: relative;
}
.card-image img { width: 100%; height: 100%; object-fit: cover; transition: transform .3s ease; }
.card:hover .card-image img { transform: scale(1.03); }
.no-image {
  width: 100%; height: 100%; display: grid; place-items: center;
  font-family: "IBM Plex Mono", monospace; font-size: 12px; letter-spacing: .14em; color: var(--brown);
}
.card-name { margin-top: 10px; font-size: 14.5px; line-height: 1.6; }
.price { font-family: "IBM Plex Mono", monospace; font-weight: 500; letter-spacing: .02em; }
.card .price { font-size: 14px; color: var(--ink-soft); margin-top: 2px; }
.badge {
  position: absolute; top: 10px; left: 10px;
  background: var(--ink); color: #fff; font-size: 12px; padding: 2px 10px; border-radius: 999px;
}
.empty { color: var(--ink-soft); padding: 32px 0 64px; }

/* ---------- product detail ---------- */
.product { display: grid; gap: 24px; margin: 24px 0 56px; }
@media (min-width: 760px) { .product { grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: start; } }
.gallery-main {
  aspect-ratio: 1 / 1; border-radius: var(--radius); overflow: hidden; background: var(--beige);
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }
.thumbs { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.thumbs button {
  width: 64px; height: 64px; border-radius: 10px; overflow: hidden; padding: 0;
  border: 2px solid transparent; background: var(--beige); cursor: pointer;
}
.thumbs button[aria-current="true"] { border-color: var(--green); }
.thumbs img { width: 100%; height: 100%; object-fit: cover; }
.product h1 {
  font-family: "Shippori Mincho", serif; font-weight: 600;
  font-size: clamp(22px, 4.5vw, 28px); line-height: 1.5; letter-spacing: .04em;
}
.product .price { font-size: 22px; margin-top: 8px; }
.tax { font-size: 12px; color: var(--ink-soft); margin-left: 4px; font-family: "Zen Kaku Gothic New", sans-serif; }
.shipping-note { font-size: 13px; color: var(--ink-soft); margin-top: 4px; }
.buy { margin-top: 20px; display: flex; gap: 10px; align-items: stretch; flex-wrap: wrap; }
.options { border: 0; margin-top: 20px; display: grid; gap: 8px; }
.options legend { font-size: 13px; color: var(--ink-soft); margin-bottom: 8px; }
.option {
  display: flex; align-items: center; gap: 10px; cursor: pointer;
  padding: 10px 14px; border: 1px solid var(--beige); border-radius: 10px; background: var(--paper);
  font-size: 15px;
}
.option:has(input:checked) { border-color: var(--green); box-shadow: 0 0 0 1px var(--green) inset; }
.option input { accent-color: var(--green); }
.option-price { margin-left: auto; font-family: "IBM Plex Mono", monospace; font-size: 14px; color: var(--ink-soft); }
.line-option { display: block; font-size: 13px; color: var(--ink-soft); }
.description { margin-top: 28px; white-space: pre-line; font-size: 15px; }
.stock-note { font-size: 13px; color: var(--brown); margin-top: 8px; }

/* ---------- forms & buttons ---------- */
.button {
  appearance: none; border: 0; cursor: pointer;
  background: var(--green); color: #fff; font: inherit; font-size: 15px; font-weight: 500;
  padding: 12px 28px; border-radius: 999px; text-decoration: none; display: inline-block;
  text-align: center; letter-spacing: .06em; transition: background .2s ease;
}
.button:hover { background: var(--green-dark); }
.button[disabled] { background: var(--beige); color: var(--ink-soft); cursor: not-allowed; }
.button.block { width: 100%; }
.button.secondary { background: transparent; color: var(--ink); border: 1px solid var(--beige); }
.button.secondary:hover { border-color: var(--green); color: var(--green); background: transparent; }
select, input[type="number"] {
  font: inherit; font-size: 15px; padding: 8px 12px; border-radius: 10px;
  border: 1px solid var(--beige); background: var(--paper); color: var(--ink);
}
.link-button {
  appearance: none; border: 0; background: none; padding: 0; cursor: pointer;
  font: inherit; font-size: 13px; color: var(--ink-soft); text-decoration: underline;
}

/* ---------- cart ---------- */
.cart-lines { list-style: none; margin-top: 16px; border-top: 1px solid var(--beige); }
.cart-line {
  display: grid; grid-template-columns: 72px 1fr; gap: 14px;
  padding: 16px 0; border-bottom: 1px solid var(--beige);
}
.cart-thumb { width: 72px; height: 72px; border-radius: 10px; overflow: hidden; background: var(--beige); }
.cart-thumb img { width: 100%; height: 100%; object-fit: cover; }
.cart-line .name { font-size: 15px; line-height: 1.6; }
.cart-line .name a { text-decoration: none; }
.cart-line .controls { display: flex; align-items: center; gap: 12px; margin-top: 6px; flex-wrap: wrap; }
.cart-line .line-total { margin-left: auto; }
.summary {
  margin: 24px 0 56px; padding: 20px; border-radius: var(--radius); background: var(--paper);
  border: 1px solid var(--beige); display: grid; gap: 6px;
}
@media (min-width: 760px) { .summary { max-width: 420px; margin-left: auto; } }
.summary .row { display: flex; justify-content: space-between; font-size: 15px; }
.summary .total { font-size: 18px; font-weight: 700; border-top: 1px solid var(--beige); padding-top: 10px; margin-top: 4px; }
.summary .hint { font-size: 13px; color: var(--brown); }
.summary .button { margin-top: 12px; }
.summary .fineprint { font-size: 12px; color: var(--ink-soft); line-height: 1.7; margin-top: 4px; }
.summary .terms { margin-top: 8px; display: grid; gap: 4px; font-size: 12.5px; line-height: 1.7; }
.summary .terms div { display: grid; grid-template-columns: 5.5em 1fr; gap: 8px; }
.summary .terms dt { color: var(--ink-soft); }

/* ---------- law ---------- */
.legal { margin: 16px 0 56px; border-top: 1px solid var(--beige); }
.legal div { display: grid; gap: 2px 16px; padding: 12px 0; border-bottom: 1px solid var(--beige); font-size: 14.5px; }
@media (min-width: 640px) { .legal div { grid-template-columns: 12em 1fr; } }
.legal dt { color: var(--ink-soft); }
.legal dd { white-space: pre-line; }

.thanks { margin: 24px 0 56px; }
.thanks .number {
  display: inline-block; margin: 16px 0; padding: 10px 18px; border-radius: 10px;
  background: var(--paper); border: 1px solid var(--beige);
  font-family: "IBM Plex Mono", monospace; font-size: 18px; letter-spacing: .08em;
}

/* ---------- footer ---------- */
.site-footer { border-top: 1px solid var(--beige); padding: 24px 0 32px; font-size: 13px; color: var(--ink-soft); }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 20px; }
.site-footer a { text-decoration: none; }
.site-footer a:hover { color: var(--green); }
.site-footer .copyright { margin-top: 12px; font-family: "IBM Plex Mono", monospace; font-size: 11.5px; letter-spacing: .08em; }