:root {
  color: #1a1a1a;
  background: #fff;
  font-family: "Hiragino Sans", "Yu Gothic UI", "Noto Sans JP", sans-serif;
  font-size: 16px;
  line-height: 1.7;
  font-synthesis: none;
}

* {
  box-sizing: border-box;
}

html {
  background: #fff;
}

body {
  width: min(100% - 32px, 720px);
  margin: 0 auto;
  background: #fff;
}

.site-header {
  padding: 36px 0 20px;
  border-bottom: 1px solid #ded8d3;
}

.eyebrow,
.filter-label,
.card-label,
.card-footer,
.count {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
}

.eyebrow {
  margin: 0 0 8px;
  color: #c15f3c;
  font-weight: 700;
  letter-spacing: 0.12em;
}

h1 {
  margin: 0;
  font-size: clamp(1.5rem, 5vw, 2.25rem);
  line-height: 1.2;
  letter-spacing: -0.03em;
}

.subtitle {
  margin: 8px 0 0;
  color: #55504d;
  font-size: 1rem;
}

.filters {
  padding: 12px 0;
  border-bottom: 1px solid #ded8d3;
}

.filters-details summary {
  color: #67605c;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
}

.filters-details[open] summary {
  margin-bottom: 10px;
}

.filters-details > .filter-group + .filter-group {
  margin-top: 10px;
}

@media (min-width: 640px) {
  .filters-details summary {
    display: none;
  }
}

.filter-group {
  display: flex;
  align-items: center;
  gap: 12px;
}

.filter-label {
  flex: 0 0 auto;
  min-width: 3.5em;
}

.filter-label {
  margin: 0;
  color: #67605c;
  font-weight: 700;
}

.chip-row {
  display: flex;
  gap: 6px;
  overflow-x: auto;
  padding: 2px;
  scrollbar-width: thin;
}

.chip-row button {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 4px 12px;
  border: 1px solid #cfc7c2;
  border-radius: 999px;
  color: #332f2d;
  background: #fff;
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.4;
  cursor: pointer;
}

.chip-row button:hover {
  border-color: #c15f3c;
}

.chip-row button[aria-pressed="true"] {
  border-color: #c15f3c;
  color: #fff;
  background: #c15f3c;
}

.chip-row button:focus-visible,
.card-title a:focus-visible {
  outline: 3px solid #e3aa93;
  outline-offset: 3px;
}

.count {
  margin: 12px 0 0;
  color: #67605c;
  font-weight: 700;
}

#list {
  display: grid;
  gap: 12px;
  padding: 12px 0 64px;
}

@media (min-width: 640px) {
  #list {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

.card {
  min-width: 0;
  padding: 16px;
  border: 1px solid #ded8d3;
  border-radius: 12px;
  overflow-wrap: anywhere;
}

.card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 8px;
  margin-bottom: 6px;
}

.card-label {
  color: #6b625d;
  font-weight: 700;
}

.tool-badge {
  display: inline-flex;
  padding: 2px 8px;
  border-radius: 999px;
  color: #824029;
  background: #f7e8e1;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.card-title {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.5;
}

.card-title a {
  color: #1a1a1a;
  text-decoration-color: #c15f3c;
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.card-title a:hover {
  color: #a94e30;
}

.card-summary {
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
  margin: 8px 0 10px;
  color: #413d3a;
  line-height: 1.6;
}

.card-footer {
  margin: 0;
  color: #766e69;
}

.empty,
.error {
  margin: 8px 0;
  padding: 32px 0;
  color: #67605c;
}

.error {
  color: #9f3e2b;
}

footer {
  padding: 32px 0 48px;
  border-top: 1px solid #ded8d3;
  color: #67605c;
  font-size: 0.8125rem;
}

footer p {
  margin: 0;
}

@media (max-width: 480px) {
  body {
    width: min(100% - 24px, 720px);
  }

  .site-header {
    padding: 24px 0 16px;
  }

  .card {
    padding: 14px;
  }
}