:root {
  --bg: #f7f6f3;
  --surface: #ffffff;
  --border: #e3e0d8;
  --text: #1f2328;
  --muted: #5d646c;
  --accent: #2f6fdb;
  --accent-ink: #1f4fa3;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --surface: #1c1f25;
    --border: #2b3038;
    --text: #eceff2;
    --muted: #a0a8b1;
    --accent: #6aa0ff;
    --accent-ink: #9bbfff;
  }
}
body.sort-cafe { --accent: #c97a3d; --accent-ink: #7a431a; }
body.merge-mine { --accent: #b3841a; --accent-ink: #8f6a14; }
body.bloom-blocks { --accent: #3f8f5f; --accent-ink: #276b41; }
body.sekine { --accent: #2f8f83; --accent-ink: #1f6b62; }
@media (prefers-color-scheme: dark) {
  body.sort-cafe { --accent: #e0a15c; --accent-ink: #f6d9b4; }
  body.merge-mine { --accent: #f2c14e; --accent-ink: #f8d478; }
  body.bloom-blocks { --accent: #6fc98d; --accent-ink: #8ddba7; }
  body.sekine { --accent: #5cc7b8; --accent-ink: #8fe0d5; }
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 17px/1.65 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}
.wrap { max-width: 720px; margin: 0 auto; padding: 48px 24px 96px; }
a { color: var(--accent-ink); text-underline-offset: 3px; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 2px; }

.top { display: flex; align-items: baseline; justify-content: space-between; gap: 16px; margin-bottom: 40px; font-size: 0.92rem; }
.top a { color: var(--muted); text-decoration: none; }
.top a:hover { color: var(--text); }

h1 { font-size: 2rem; line-height: 1.2; margin: 0 0 6px; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; margin: 48px 0 10px; padding-bottom: 8px; border-bottom: 1px solid var(--border); }
h3 { font-size: 1.02rem; margin: 26px 0 6px; }
p, li { max-width: 66ch; }
p { margin: 0 0 14px; }
ul { margin: 0 0 14px; padding-left: 1.25em; }
li { margin-bottom: 6px; }
.lead { color: var(--muted); font-size: 1.05rem; margin-bottom: 28px; }
.muted { color: var(--muted); font-size: 0.92rem; }

.chips { display: flex; gap: 10px; flex-wrap: wrap; margin: 20px 0 8px; }
.chips a {
  font-size: 0.86rem; font-weight: 600; text-decoration: none;
  background: var(--surface); border: 1px solid var(--border); color: var(--accent-ink);
  padding: 6px 14px; border-radius: 999px;
}

.apps { display: grid; gap: 14px; margin-top: 8px; }
.app {
  display: block; text-decoration: none; color: inherit;
  background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 18px 20px;
}
.app:hover { border-color: var(--accent); }
.app strong { display: block; font-size: 1.05rem; }
.app span { color: var(--muted); font-size: 0.92rem; }

table { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin: 12px 0 16px; background: var(--surface); border: 1px solid var(--border); }
th, td { text-align: left; padding: 10px 12px; border-bottom: 1px solid var(--border); vertical-align: top; }
th { color: var(--muted); font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.04em; }
tr:last-child td { border-bottom: none; }
@media (max-width: 560px) { table { display: block; overflow-x: auto; } }

.contact {
  display: inline-block; background: var(--accent); color: #fff; text-decoration: none;
  font-weight: 600; padding: 10px 18px; border-radius: 999px; margin-top: 4px;
}
.contact:hover { filter: brightness(0.95); }
footer { margin-top: 64px; padding-top: 20px; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.86rem; }