* {
  box-sizing: border-box;
}

:root {
  color-scheme: light;
  --ink: #15171c;
  --muted: #68707d;
  --line: #dde2ea;
  --line-strong: #c6ceda;
  --panel: #ffffff;
  --soft: #f4f6f9;
  --soft-2: #eef2f7;
  --accent: #195bd8;
  --accent-soft: #eaf1ff;
  --accent-ink: #103f9c;
  --shadow: 0 12px 34px rgba(31, 45, 61, 0.08);
  --shadow-soft: 0 4px 16px rgba(31, 45, 61, 0.06);
  font-family: "Segoe UI", "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, Arial, sans-serif;
}

body {
  margin: 0;
  background:
    linear-gradient(180deg, #f2f5f9 0, #f8fafc 340px, #f7f8fa 100%);
  color: var(--ink);
}

button,
input,
select {
  font: inherit;
}

.app-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding: 38px clamp(18px, 4vw, 54px) 30px;
  border-bottom: 1px solid var(--line);
  background:
    linear-gradient(90deg, rgba(25, 91, 216, 0.08), rgba(255, 255, 255, 0) 45%),
    #ffffff;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 5vw, 58px);
  line-height: 1.05;
  letter-spacing: 0;
}

main {
  width: min(1240px, calc(100% - 32px));
  margin: 28px auto 64px;
}

.stats {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

.stats strong {
  color: var(--ink);
  font-size: 44px;
  line-height: 1;
}

.toolbar,
.filters {
  display: grid;
  gap: 14px;
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

.toolbar {
  grid-template-columns: minmax(220px, 1fr) 180px auto;
  align-items: end;
  padding: 18px;
  border-radius: 10px 10px 0 0;
}

.toolbar label,
.search-box {
  display: grid;
  gap: 7px;
}

.toolbar span,
.filter-group h2 {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

input,
select,
button {
  min-height: 44px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
}

input,
select {
  width: 100%;
  padding: 0 12px;
}

button {
  padding: 0 16px;
  cursor: pointer;
  font-weight: 700;
}

button:hover,
input:focus,
select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(25, 91, 216, 0.12);
  outline: none;
}

.filters {
  grid-template-columns: 1fr 1fr;
  padding: 18px;
  border-top: 0;
  border-radius: 0 0 10px 10px;
}

.filter-group {
  min-width: 0;
}

.filter-group.wide {
  grid-column: 1 / -1;
}

.filter-group h2 {
  margin: 0 0 10px;
}

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  min-height: 34px;
  padding: 0 13px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--ink);
  box-shadow: none;
}

.chip.is-active {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-ink);
  font-weight: 700;
}

.color-chips .chip {
  position: relative;
  min-width: 38px;
  border-color: rgba(21, 23, 28, 0.12);
  font-weight: 800;
}

.color-chips .chip[data-value="A"] { background: #FFCA99; }
.color-chips .chip[data-value="B"] { background: #FF9193; }
.color-chips .chip[data-value="C"] { background: #FFD2CA; }
.color-chips .chip[data-value="D"] { background: #DE8962; }
.color-chips .chip[data-value="E"] { background: #EB561B; }

.color-chips .chip.is-active {
  border-color: #111827;
  box-shadow:
    0 0 0 3px #ffffff,
    0 0 0 6px rgba(17, 24, 39, 0.32),
    0 8px 18px rgba(17, 24, 39, 0.16);
  transform: translateY(-1px);
}

.color-chips .chip.is-active::after {
  content: "";
  position: absolute;
  top: -5px;
  right: -5px;
  width: 14px;
  height: 14px;
  border: 2px solid #ffffff;
  border-radius: 999px;
  background: #111827;
}

.results-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: end;
  margin: 32px 0 16px;
  padding: 0 2px;
}

.results-head h2,
.results-head p {
  margin: 0;
}

.results-head h2 {
  font-size: 24px;
}

.results-head p {
  color: var(--muted);
  font-size: 14px;
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 18px;
}

.product-card {
  display: grid;
  grid-template-rows: 226px auto;
  min-height: 0;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
}

.product-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
  box-shadow: var(--shadow);
}

.thumb {
  position: relative;
  display: grid;
  place-items: center;
  min-height: 0;
  overflow: hidden;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.68), rgba(255, 255, 255, 0)),
    var(--soft-2);
  border-bottom: 1px solid var(--line);
}

.thumb::before {
  content: "";
  color: #9aa3af;
  font-size: 24px;
  font-weight: 800;
}

.thumb.has-image {
  background: #f3f5f8;
}

.thumb.has-image::before {
  content: "";
}

.product-image-link {
  display: block;
  width: 100%;
  height: 100%;
}

.product-image-link:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: -3px;
}

.thumb img {
  width: 100%;
  height: 100%;
  min-height: 0;
  object-fit: contain;
  padding: 12px;
}

.card-body {
  display: grid;
  align-content: start;
  gap: 13px;
  padding: 16px;
}

.card-topline {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  align-items: center;
}

.line-badge {
  max-width: 190px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--soft);
  color: #3f454d;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid rgba(21, 23, 28, 0.04);
}

.product-card h3 {
  min-height: 50px;
  margin: 0;
  font-size: 18px;
  line-height: 1.35;
  letter-spacing: 0;
}

dl {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 0;
}

dl div {
  padding: 11px 12px;
  border-radius: 8px;
  background: var(--soft);
  border: 1px solid transparent;
}

dl div[data-skin-color="A"] {
  background: #FFCA99;
  border-color: rgba(113, 59, 0, 0.18);
}

dl div[data-skin-color="B"] {
  background: #FF9193;
  border-color: rgba(123, 20, 35, 0.18);
}

dl div[data-skin-color="C"] {
  background: #FFD2CA;
  border-color: rgba(135, 65, 48, 0.18);
}

dl div[data-skin-color="D"] {
  background: #DE8962;
  border-color: rgba(96, 45, 22, 0.18);
}

dl div[data-skin-color="E"] {
  background: #EB561B;
  border-color: rgba(87, 23, 0, 0.22);
}

dt {
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
}

dd {
  margin: 3px 0 0;
  font-size: 19px;
  font-weight: 800;
}

.empty {
  padding: 48px 16px;
  border: 1px dashed var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--muted);
  text-align: center;
}

.site-footer {
  width: min(1240px, calc(100% - 32px));
  margin: -28px auto 40px;
  padding: 18px 2px 0;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 760px) {
  .app-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .toolbar,
  .filters {
    grid-template-columns: 1fr;
  }

  .filter-group.wide {
    grid-column: auto;
  }

  .results-head {
    align-items: flex-start;
    flex-direction: column;
  }
}