/* kenroom apps — ベース: ~/Projects/DESIGN.base.md（最小文字14px） */
:root {
  --bg: #F5F6F4;
  --surface: #FFFFFF;
  --ink: #1B2320;
  --ink-2: #5A645F;
  --line: #D9DED8;
  --tag-bg: #EDF0EB;
  --shadow: 0 1px 2px rgba(20, 30, 25, .05), 0 10px 28px -16px rgba(20, 30, 25, .25);
  --font: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic", system-ui, sans-serif;
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131816;
    --surface: #1C2320;
    --ink: #ECEFEA;
    --ink-2: #A2ACA6;
    --line: #313A35;
    --tag-bg: #252D29;
    --shadow: none;
    color-scheme: dark;
  }
}
* { 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: 1.8;
  padding: 40px 20px 56px;
  min-height: 100vh;
}
.top, .grid, .foot { max-width: 760px; margin: 0 auto; }
.site { margin: 0; font-size: 14px; color: var(--ink-2); letter-spacing: .04em; }
h1 { margin: 4px 0 8px; font-size: 30px; line-height: 1.3; letter-spacing: .02em; }
.lead { margin: 0 0 32px; color: var(--ink-2); }
.grid { display: grid; gap: 16px; }
.card {
  display: flex; gap: 16px; align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  text-decoration: none; color: inherit;
  box-shadow: var(--shadow);
  transition: transform .12s ease, border-color .12s ease;
}
.card:hover, .card:focus-visible { transform: translateY(-2px); border-color: var(--ink-2); outline: none; }
.mark {
  flex: 0 0 56px; width: 56px; height: 56px;
  display: grid; place-items: center;
  border-radius: 14px;
  background: var(--c); color: #fff;
  font-size: 26px; font-weight: 700; line-height: 1;
}
.body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.name { font-size: 20px; font-weight: 700; line-height: 1.4; }
.desc { color: var(--ink-2); }
.tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tags span {
  font-size: 14px; line-height: 1.5;
  padding: 2px 10px; border-radius: 999px;
  background: var(--tag-bg); color: var(--ink-2);
}
.foot { margin-top: 40px; color: var(--ink-2); font-size: 14px; }
.foot p { margin: 0; }
.foot a { color: var(--ink-2); text-decoration: underline; text-underline-offset: 3px; }
.foot a:hover { color: var(--ink); }
@media (max-width: 480px) {
  body { padding: 28px 16px 48px; }
  h1 { font-size: 26px; }
  .card { padding: 16px; gap: 12px; }
  .mark { flex-basis: 48px; width: 48px; height: 48px; font-size: 22px; }
}