:root {
  --bg: #f7f5f0;
  --ink: #2b2a27;
  --sub: #7a756b;
  --line: #d9d3c7;
  --cut: #9c3d2e;
  --paper: #ffffff;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1d1c1a;
    --ink: #ece8e0;
    --sub: #a49e93;
    --line: #3a3833;
    --cut: #e08a7a;
    --paper: #262522;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Hiragino Mincho ProN", "Yu Mincho", serif;
  line-height: 1.9;
}
.w { max-width: 40rem; margin: 0 auto; padding: 3rem 1rem 4rem; }
.w-owner { color: var(--sub); font-size: .85rem; letter-spacing: .15em; margin: 0; }
.w-head h1 { font-size: 1.8rem; margin: .3rem 0 1.2rem; font-weight: 600; }
.w-lead { color: var(--sub); }
.w-list { list-style: none; padding: 0; margin: 2.5rem 0; }
.w-list li { border-top: 1px solid var(--line); }
.w-list li:last-child { border-bottom: 1px solid var(--line); }
.w-list a { display: block; padding: 1.2rem .2rem; color: inherit; text-decoration: none; }
.w-list a:hover .w-line { text-decoration: line-through; text-decoration-color: var(--cut); }
.w-no { display: block; color: var(--sub); font-size: .8rem; letter-spacing: .2em; }
.w-line { display: block; font-size: 1.15rem; }
.w-where { display: block; color: var(--sub); font-size: .8rem; margin-top: .3rem; }
.w-page { background: var(--paper); border: 1px solid var(--line); padding: 2rem 1.5rem; margin: 1.5rem 0; }
.w-cut {
  font-size: 1.35rem;
  margin: .5rem 0 1.8rem;
  text-decoration: line-through;
  text-decoration-color: var(--cut);
  text-decoration-thickness: 2px;
}
.w-meta { display: grid; grid-template-columns: 9rem 1fr; gap: .4rem 1rem; font-size: .9rem; margin: 0 0 2rem; }
.w-meta dt { color: var(--sub); }
.w-meta dd { margin: 0; }
.w-why h2, .w-after h2 { font-size: 1rem; color: var(--sub); font-weight: 600; margin: 2rem 0 .6rem; }
.w-why blockquote { margin: 1rem 0; padding: .6rem 1rem; border-left: 3px solid var(--cut); color: var(--sub); }
.w-why blockquote p { margin: 0; }
.w-back a, .w-foot { color: var(--sub); font-size: .85rem; }
.w-foot { margin-top: 2rem; }
@media (max-width: 30rem) {
  .w-meta { grid-template-columns: 1fr; }
  .w-meta dd { margin-bottom: .6rem; }
}
.w-fab { margin: .4rem 0 0; font-size: .9rem; }
.w-fab a { color: var(--cut); }