/* home-manual — 家用品說明　無印良品風 clean layout */

:root {
  --bg:        #f6f4ef;   /* paper off-white */
  --surface:   #fffefb;   /* card */
  --line:      #e6e0d5;   /* hairline divider */
  --line-soft: #efeae0;
  --ink:       #3d3a34;   /* primary text */
  --ink-2:     #6f685c;   /* secondary */
  --muted:     #9a9184;   /* labels / hints */
  --accent:    #96876f;   /* muted taupe */
  --accent-bg: #efe9dd;
  --radius:    8px;
  --wrap:      920px;
  --font: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN",
          "Noto Sans TC", "PingFang TC", "Microsoft JhengHei", sans-serif;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.75;
  font-weight: 400;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom);
}

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 20px; }

/* ---- header ---- */
.site-header { padding: 34px 0 22px; }
.site-title {
  margin: 0;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: .12em;
}
.site-sub {
  margin: 6px 0 0;
  font-size: 12.5px;
  color: var(--muted);
  letter-spacing: .08em;
}

/* ---- toolbar ---- */
.toolbar {
  position: sticky; top: 0; z-index: 20;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: saturate(1.1) blur(8px);
  border-bottom: 1px solid var(--line);
  padding: 14px 0;
}
.search {
  width: 100%;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 15px;
  font-family: inherit;
  letter-spacing: .04em;
}
.search::placeholder { color: #b7afa1; letter-spacing: .12em; }
.search:focus { outline: none; border-color: var(--accent); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }
.chip {
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 13px;
  font-family: inherit;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.chip:hover { border-color: var(--accent); }
.chip[aria-selected="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

/* ---- gallery ---- */
.count { color: var(--muted); font-size: 12.5px; letter-spacing: .06em; margin: 22px 0 12px; }
.gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(158px, 1fr));
  gap: 18px;
  margin-bottom: 40px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  text-align: left;
  padding: 0;
  font-family: inherit;
  color: inherit;
  transition: border-color .15s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-thumb {
  aspect-ratio: 1 / 1;
  background: #efeae1 center/cover no-repeat;
  border-bottom: 1px solid var(--line-soft);
}
.card-body { padding: 12px 13px 15px; }
.card-cat { font-size: 11px; color: var(--accent); letter-spacing: .1em; }
.card-name {
  margin: 4px 0 0;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--ink);
}

.empty { color: var(--muted); text-align: center; padding: 60px 0; letter-spacing: .06em; }

/* ---- footer ---- */
.site-footer { border-top: 1px solid var(--line); margin-top: 20px; padding: 22px 0 40px; }
.site-footer .wrap { color: var(--muted); font-size: 12px; letter-spacing: .08em; }

/* ---- detail ---- */
.detail { position: fixed; inset: 0; z-index: 60; display: flex; }
.detail[hidden] { display: none; }
.detail-scrim { position: absolute; inset: 0; background: rgba(45,42,36,.34); }
.detail-panel {
  position: relative;
  margin: auto;
  width: min(680px, 100%);
  max-height: 100vh;
  max-height: 100dvh;
  overflow-y: auto;
  background: var(--bg);
  border-radius: 14px 14px 0 0;
  -webkit-overflow-scrolling: touch;
}
@media (min-width: 640px) {
  .detail { padding: 28px; }
  .detail-panel { border-radius: 14px; max-height: calc(100dvh - 56px); }
}
.detail-close {
  position: sticky; top: 10px; float: right; margin: 10px 10px 0 0;
  z-index: 2;
  width: 34px; height: 34px; border-radius: 50%;
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-2);
  font-size: 20px; line-height: 1; cursor: pointer;
}

.d-media {
  display: flex;
  width: 100%;
  height: 64vh;
  max-height: 620px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  background: #efeae1;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.d-media::-webkit-scrollbar { display: none; }
.d-media img {
  flex: 0 0 100%;
  width: 100%;
  height: 100%;
  object-fit: contain;
  scroll-snap-align: center;
  display: block;
}
.d-dots { display: flex; justify-content: center; gap: 7px; padding: 12px 0 0; }
.d-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: #d9d2c5; transition: background .2s, transform .2s;
}
.d-dot.active { background: var(--accent); transform: scale(1.15); }

.d-content { padding: 22px 22px 40px; }
.d-cat { font-size: 11.5px; color: var(--accent); letter-spacing: .12em; }
.d-name { margin: 6px 0 2px; font-size: 20px; font-weight: 600; line-height: 1.5; }
.d-name-ja { margin: 0; font-size: 13px; color: var(--muted); letter-spacing: .04em; }
.d-brand { margin: 10px 0 0; font-size: 13.5px; color: var(--ink-2); }

.d-tags { display: flex; flex-wrap: wrap; gap: 6px; margin: 14px 0 4px; }
.d-tag { font-size: 11.5px; color: var(--ink-2); background: var(--accent-bg); border-radius: 4px; padding: 3px 9px; letter-spacing: .04em; }

.d-section { border-top: 1px solid var(--line); padding: 18px 0 2px; }
.d-label {
  font-size: 11.5px; color: var(--muted);
  letter-spacing: .18em; margin: 0 0 8px;
}
.d-text { margin: 0; white-space: pre-wrap; font-size: 15px; line-height: 1.85; color: var(--ink); }
.d-text a { color: var(--accent); }

.d-meta { border-top: 1px solid var(--line); margin-top: 18px; padding-top: 16px; }
.d-meta-row { display: flex; gap: 14px; font-size: 13px; color: var(--ink-2); padding: 3px 0; }
.d-meta-row .k { color: var(--muted); min-width: 4.5em; letter-spacing: .08em; }