:root {
  --paper: #ffffff;
  --ink: #151515;
  --muted: #747078;
  --line: #ddd9df;
  --line-strong: #bbb5bf;
  --violet: #5d2a78;
}

* {
  box-sizing: border-box;
}

html {
  background: var(--paper);
  color: var(--ink);
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100dvh;
  background: var(--paper);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

a {
  color: inherit;
}

.directory {
  width: min(1180px, calc(100% - 64px));
  margin: 0 auto;
  padding:
    max(68px, env(safe-area-inset-top))
    0
    max(44px, env(safe-area-inset-bottom));
}

.directory-head {
  display: flex;
  align-items: flex-end;
  min-height: 96px;
  padding-bottom: 22px;
  border-bottom: 2px solid var(--violet);
}

.directory-head h1 {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3.7rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.045em;
}

.site-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.site-entry {
  min-width: 0;
  padding: 28px 26px 30px 0;
  border-bottom: 1px solid var(--line);
  text-decoration: none;
}

.site-entry:nth-child(3n+2),
.site-entry:nth-child(3n+3) {
  padding-left: 26px;
}

.site-entry:nth-child(3n+2) {
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
}

.site-name,
.site-host {
  display: block;
}

.site-name {
  font-size: clamp(1.2rem, 1.75vw, 1.8rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.025em;
}

.site-host {
  margin-top: 9px;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.3;
  letter-spacing: 0.01em;
}

.site-entry:hover .site-name,
.site-entry:focus-visible .site-name {
  color: var(--violet);
}

.site-entry:hover .site-host,
.site-entry:focus-visible .site-host {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: var(--violet);
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.site-entry:focus-visible,
.note-link:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 5px;
}

.directory-foot {
  display: flex;
  justify-content: center;
  padding-top: 42px;
}

.directory-foot button {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  cursor: pointer;
}

.directory-foot button:hover {
  color: var(--violet);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 4px;
}

.directory-foot button:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 5px;
}

.note-link {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.note-link:hover {
  color: var(--violet);
  text-decoration: underline;
  text-underline-offset: 4px;
}

@media (max-width: 720px) {
  .directory {
    width: min(100% - 36px, 720px);
    padding-top: max(42px, env(safe-area-inset-top));
  }

  .directory-head {
    min-height: 74px;
    padding-bottom: 17px;
  }

  .directory-head h1 {
    font-size: clamp(2rem, 10.5vw, 3.1rem);
  }

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

  .site-entry,
  .site-entry:nth-child(3n+2),
  .site-entry:nth-child(3n+3) {
    padding: 21px 0 23px;
    border-left: 0;
    border-right: 0;
  }

  .site-name {
    font-size: clamp(1.3rem, 6.2vw, 1.7rem);
  }

  .site-host {
    margin-top: 7px;
    font-size: 0.92rem;
  }

  .directory-foot {
    padding-top: 30px;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .site-name,
  .site-host,
  .note-link {
    transition: color 120ms ease, text-decoration-color 120ms ease;
  }
}