:root {
  --text: #222222;
  --muted: #767676;
  --border: #dddddd;
  --link: #0f5c9e;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--text);
  background: #ffffff;
  font-family: "Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", sans-serif;
  line-height: 1.7;
}

button,
input {
  font: inherit;
}

a {
  color: var(--link);
}

.site-header {
  border-bottom: 1px solid var(--border);
}

.site-header__inner {
  width: min(100% - 40px, 960px);
  margin: 0 auto;
  padding: 32px 0;
}

.site-header__series {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

h1 {
  margin: 4px 0 0;
  font-size: 1.7rem;
  line-height: 1.3;
}

.site-header__subtitle {
  display: block;
  margin-bottom: 6px;
  font-size: 0.7em;
}

.site-header__lead {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

main {
  width: min(100% - 40px, 960px);
  margin: 0 auto;
}

.directory {
  padding: 32px 0 64px;
}

.directory__heading {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

h2 {
  margin: 0;
  font-size: 1.25rem;
}

.result-count {
  margin: 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.controls {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border);
}

.search {
  display: block;
  margin-bottom: 12px;
}

.search input {
  width: 100%;
  max-width: 360px;
  padding: 8px 10px;
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 3px;
  background: #ffffff;
}

.search input:focus {
  border-color: #888888;
  outline: none;
}

.filter-label {
  margin-right: 8px;
  color: var(--muted);
  font-size: 0.85rem;
}

.filter-group {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
}

.filter-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.filter-button {
  padding: 3px 12px;
  border: 1px solid var(--border);
  border-radius: 3px;
  color: var(--text);
  background: #ffffff;
  cursor: pointer;
  font-size: 0.85rem;
}

.filter-button:hover {
  border-color: #999999;
}

.filter-button[aria-pressed="true"] {
  color: #ffffff;
  border-color: #333333;
  background: #333333;
}

.member-grid {
  --masonry-gap: 16px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  grid-auto-flow: dense;
  grid-auto-rows: 1px;
  align-items: start;
  column-gap: var(--masonry-gap);
  row-gap: 0;
}

.member-card {
  min-width: 0;
  display: flex;
  flex-direction: column;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 3px;
}

.member-card[hidden] {
  display: none;
}

.member-card__top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.member-card__name {
  min-width: 0;
  overflow-wrap: anywhere;
  margin: 0;
  font-size: 1.05rem;
  line-height: 1.5;
}

.member-card__name a {
  color: var(--text);
  text-decoration: none;
}

.member-card__name a:hover {
  text-decoration: underline;
}

.member-card__category {
  flex: 0 0 auto;
  margin: 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.member-card__links {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 4px;
  margin-top: 10px;
  font-size: 0.9rem;
}

.member-card__links:empty {
  display: none;
}

.x-embed {
  margin: 0;
}

.twitter-tweet-rendered {
  width: 100% !important;
  min-width: 0 !important;
  margin: 4px auto 0 !important;
}

.twitter-tweet-rendered iframe {
  width: 100% !important;
  min-width: 0;
}

.empty-state,
.error-state {
  margin: 32px 0 0;
  color: var(--muted);
}

footer {
  margin-top: 32px;
  padding: 24px 20px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  text-align: center;
}

footer p {
  margin: 0;
}

.footer__sub {
  margin-top: 4px;
  font-size: 0.75rem;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 900px) {
  .member-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 600px) {
  main,
  .site-header__inner {
    width: min(100% - 28px, 960px);
  }

  .directory {
    padding: 24px 0 48px;
  }

  .directory__heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 2px;
  }

  .member-grid {
    grid-template-columns: 1fr;
  }
}