:root { color-scheme: light; --ink: #23342f; --muted: #65736c; --accent: #256451; --line: #dbe2db; --paper: #fffefb; }
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body { margin: 0; background: #f4f5ef; color: var(--ink); font-family: system-ui, -apple-system, "Segoe UI", sans-serif; line-height: 1.65; }
a { color: var(--accent); text-underline-offset: .2em; overflow-wrap: anywhere; }
.site-header { max-width: 1080px; margin: auto; padding: 22px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; border-bottom: 1px solid var(--line); }
.brand { text-decoration: none; font-size: 22px; font-weight: 750; letter-spacing: -.03em; }
.brand span { font-size: 13px; font-weight: 400; color: var(--muted); margin-left: 12px; letter-spacing: 0; }
main { max-width: 1080px; margin: 32px auto 64px; padding: 0 24px; }
h1 { font-size: clamp(25px, 4vw, 34px); line-height: 1.3; margin: 10px 0 24px; overflow-wrap: anywhere; }
h2 { font-size: 19px; margin: 0 0 12px; }
h3 { font-size: 15px; }
p { margin: 10px 0 16px; }
.eyebrow { font-size: 13px; color: var(--muted); margin-bottom: 8px; }
.panel { background: var(--paper); border: 1px solid var(--line); border-radius: 12px; padding: 24px; margin-bottom: 20px; min-width: 0; }
.columns { display: grid; grid-template-columns: minmax(0, 1.6fr) minmax(260px, 1fr); gap: 28px; align-items: start; }
.stack { display: grid; gap: 16px; }
label { display: block; font-size: 14px; font-weight: 600; }
input, textarea { width: 100%; margin-top: 6px; padding: 11px 12px; border: 1px solid #b9c7bd; border-radius: 6px; font: inherit; font-size: 16px; color: var(--ink); background: white; }
textarea { resize: vertical; line-height: 1.65; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: 2px; }
input[type=file] { font-size: 14px; }
button { border: 1px solid var(--accent); background: var(--accent); color: white; padding: 11px 18px; border-radius: 6px; font: inherit; font-size: 14px; font-weight: 600; cursor: pointer; min-height: 44px; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 3px solid #cf9b3d; outline-offset: 3px; }
button:hover { filter: brightness(.94); }
button:disabled { opacity: .45; cursor: not-allowed; }
button.quiet, button.secondary { background: transparent; color: var(--accent); }
button.quiet { border-color: var(--line); }
.search { display: flex; align-items: end; gap: 10px; margin-bottom: 20px; }
.grow { flex: 1; min-width: 0; }
.book-card { display: block; text-decoration: none; color: var(--ink); }
.book-card:hover { border-color: var(--accent); }
.book-card p:last-child { margin-bottom: 0; }
.muted, .empty { color: var(--muted); font-size: 14px; font-weight: 400; }
.empty { padding: 32px 0; }
.notice { background: #e8f1e9; border-left: 3px solid var(--accent); border-radius: 4px; padding: 12px 16px; margin: 16px 0; }
.error { background: #fff0e7; border-color: #b75a31; }
.invalid { border-color: #bf7b50; }
.note { scroll-margin-top: 20px; }
.note h2 { font-size: 14px; color: var(--muted); margin: 18px 0 8px; }
.text, .raw { white-space: pre-wrap; overflow-wrap: anywhere; }
.text:empty::after { content: "（空）"; color: var(--muted); }
.original { border-left: 2px solid #b7cabc; padding-left: 16px; }
.raw { font: inherit; font-size: 14px; background: #f2f3ee; padding: 16px; border-radius: 6px; }
details { margin-top: 20px; }
summary { cursor: pointer; color: var(--accent); font-size: 14px; padding: 8px 0; }
.issue-link { display: inline-block; margin: 5px 10px 5px 0; }
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 16px; }
.login { max-width: 420px; margin: 60px auto; }
.back { font-size: 14px; }
.book-toolbar, .note-heading, .save-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.review-columns { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 32px; margin-top: 16px; }
.reading-text h2 { font-size: 14px; color: var(--muted); margin: 0 0 10px; }
.reading-text .text { margin-bottom: 24px; }
.reading-text, .review-input { min-width: 0; }
.review-navigation { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; margin-top: 24px; border-top: 1px solid var(--line); padding-top: 20px; }
.button-link, .nav-disabled { display: inline-block; border: 1px solid var(--line); padding: 10px 16px; border-radius: 6px; font-size: 14px; text-decoration: none; }
.nav-disabled { color: var(--muted); opacity: .55; }
.status-badge { font-size: 13px; white-space: nowrap; background: #e8f1e9; border-radius: 20px; padding: 4px 12px; }
.save-row { margin-top: 8px; }
.save-row p { font-size: 13px; margin: 0; }
.save-error { color: #9b3e21; }
.save-row button { flex-shrink: 0; }
footer { max-width: 1080px; margin: auto; padding: 20px 24px; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); }
@media (max-width: 680px) {
  .columns { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .site-header { padding: 16px; }
  .brand span { display: none; }
  main { padding: 0 16px; margin-top: 24px; }
  .panel { padding: 18px; }
  .actions { display: grid; }
  .actions button { width: 100%; }
  .login { margin: 32px auto; }
  .review-columns { grid-template-columns: minmax(0, 1fr); gap: 12px; }
  .book-toolbar { align-items: flex-start; flex-wrap: wrap; }
  .review-navigation { gap: 10px; }
}