/* Shared look of the blog-part list and usage pages (/blogparts/) */
:root {
  --bg: #f6f5f1;
  --card: #ffffff;
  --text: #1d1d1f;
  --muted: #5f6368;
  --border: #e3e1da;
  --accent: #2f6f4e;
  --code-bg: #f1f3f4;
  --soon: #9a9a9a;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141513;
    --card: #1e201d;
    --text: #ecebe6;
    --muted: #a7a9a2;
    --border: #30332e;
    --accent: #7cc49b;
    --code-bg: #262824;
    --soon: #77796f;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text); line-height: 1.7;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
}
a { color: var(--accent); }
header.site { border-bottom: 1px solid var(--border); background: var(--card); }
header.site .inner, main, footer.site { max-width: 880px; margin: 0 auto; padding: 0 16px; }
header.site .inner { display: flex; align-items: baseline; gap: 12px; padding-top: 14px; padding-bottom: 14px; flex-wrap: wrap; }
header.site .logo { font-weight: 700; color: var(--text); text-decoration: none; }
header.site nav a { font-size: .9rem; }
main { padding-top: 32px; padding-bottom: 48px; }
h1 { font-size: 1.6rem; margin: 0 0 8px; }
h2 { font-size: 1.2rem; margin: 40px 0 12px; padding-bottom: 6px; border-bottom: 2px solid var(--accent); }
.lead { color: var(--muted); margin: 0 0 28px; }
.notice {
  background: var(--card); border: 1px solid var(--border); border-left: 4px solid var(--accent);
  border-radius: 8px; padding: 12px 16px; margin: 0 0 28px; font-size: .92rem;
}
/* list page */
.parts { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 20px; }
.part {
  background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 16px;
  display: flex; flex-direction: column; gap: 8px;
}
.part .preview { display: flex; justify-content: center; background: var(--bg); border-radius: 8px; padding: 10px 0; }
.part .preview iframe { border: 0; }
.part h3 { margin: 4px 0 0; font-size: 1.1rem; }
.part .date { color: var(--muted); font-size: .82rem; }
.part p { margin: 0; font-size: .92rem; }
.part .go { margin-top: auto; padding-top: 6px; font-weight: 700; }
.soon-list { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.soon-list li { background: var(--card); border: 1px dashed var(--border); border-radius: 10px; padding: 12px 14px; font-size: .9rem; }
.soon-list b { display: block; }
.soon-list span { color: var(--soon); font-size: .82rem; }
/* usage page */
.usage { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start; }
@media (max-width: 640px) { .usage { grid-template-columns: 1fr; } }
.usage .preview { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 14px; display: flex; justify-content: center; }
.usage .preview iframe { border: 0; max-width: 100%; }
.form { display: grid; grid-template-columns: auto 1fr; gap: 8px 12px; align-items: center; margin: 0 0 14px; }
.form label { font-size: .9rem; }
.form input, .form textarea, .form select {
  font: inherit; padding: 6px 8px; border: 1px solid var(--border); border-radius: 6px;
  background: var(--card); color: var(--text); width: 100%; max-width: 260px;
}
.form .hint { grid-column: 2; color: var(--muted); font-size: .8rem; margin-top: -4px; }
.code { position: relative; margin: 0 0 18px; }
.code textarea {
  display: block; width: 100%; min-height: 7.5em; resize: vertical; padding: 10px 12px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--code-bg); color: var(--text);
  font: .82rem/1.55 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.code button {
  position: absolute; top: 8px; right: 8px; font: inherit; font-size: .8rem; padding: 4px 10px;
  border-radius: 6px; border: 1px solid var(--accent); background: var(--card); color: var(--accent); cursor: pointer;
}
.code-title { font-weight: 700; margin: 18px 0 6px; font-size: .95rem; }
ul.notes { padding-left: 1.2em; font-size: .92rem; }
footer.site { border-top: 1px solid var(--border); padding-top: 20px; padding-bottom: 32px; color: var(--muted); font-size: .85rem; }