/* Operations manual (index.html = 日本語, vi.html = tiếng Việt, internal). A file, not inline: the admin
   site's CSP allows styles from 'self' only. */
:root {
  --ink: #1b1b1b; --muted: #5f5a52; --line: #e3ddd3; --paper: #ffffff; --ivory: #faf8f5;
  --gold: #b08d57; --gold-d: #8c6d3f; --gold-l: #f3ece0; --warn: #b3261e; --warn-l: #fbeceb; --ok: #2e6b3a; --ok-l: #e9f3ea;
  --radius: 10px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 16px; }
body { margin: 0; background: var(--ivory); color: var(--ink); font: 15px/1.8 "Noto Sans JP", "Hiragino Sans", "Meiryo", sans-serif; }
a { color: var(--gold-d); }
.layout { display: grid; grid-template-columns: 260px minmax(0, 1fr); max-width: 1280px; margin: 0 auto; }
nav.toc { position: sticky; top: 0; align-self: start; height: 100vh; overflow: auto; padding: 28px 18px; border-right: 1px solid var(--line); background: var(--paper); font-size: 13px; }
nav.toc .brand { font-family: Montserrat, sans-serif; letter-spacing: .18em; font-weight: 700; font-size: 14px; margin-bottom: 18px; }
nav.toc .lang { margin: -8px 0 16px; font-size: 12px; color: var(--muted); }
nav.toc .lang a { display: inline; padding: 0; color: var(--gold-d); }
nav.toc ol { list-style: none; padding: 0; margin: 0; }
nav.toc li { margin: 2px 0; }
nav.toc li.sub a { padding-left: 14px; color: var(--muted); }
nav.toc a { display: block; padding: 3px 8px; border-radius: 6px; text-decoration: none; color: var(--ink); }
nav.toc a:hover { background: var(--gold-l); }
main { padding: 40px 48px 80px; min-width: 0; }
header.cover { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 40px; margin-bottom: 32px; }
header.cover .eyebrow { font-family: Montserrat, sans-serif; letter-spacing: .2em; color: var(--gold-d); font-weight: 700; font-size: 13px; }
header.cover h1 { font-size: 30px; margin: 8px 0 4px; }
header.cover p { margin: 4px 0; color: var(--muted); }
header.cover dl { display: grid; grid-template-columns: 110px 1fr; gap: 2px 12px; margin: 20px 0 0; font-size: 14px; }
header.cover dt { color: var(--muted); }
header.cover dd { margin: 0; }
section { margin: 0 0 44px; }
h2 { font-size: 22px; border-bottom: 2px solid var(--gold); padding-bottom: 6px; margin: 0 0 18px; }
h3 { font-size: 17px; margin: 26px 0 10px; }
h4 { font-size: 15px; margin: 18px 0 6px; }
p { margin: 8px 0; }
table { width: 100%; border-collapse: collapse; background: var(--paper); margin: 10px 0 16px; font-size: 14px; }
th, td { border: 1px solid var(--line); padding: 8px 10px; text-align: left; vertical-align: top; }
th { background: var(--gold-l); font-weight: 600; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.uc { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 26px; margin: 18px 0 26px; }
.uc h3 { margin-top: 0; display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.uc .id { font-family: Montserrat, sans-serif; font-size: 13px; color: var(--paper); background: var(--gold-d); border-radius: 4px; padding: 1px 8px; letter-spacing: .05em; }
.meta { display: grid; grid-template-columns: 90px 1fr; gap: 2px 12px; font-size: 14px; margin: 6px 0 12px; }
.meta dt { color: var(--muted); }
.meta dd { margin: 0; }
ol.steps { padding-left: 1.4em; margin: 6px 0; }
ol.steps li { margin: 4px 0; }
.btn { display: inline-block; border: 1px solid var(--ink); border-radius: 4px; padding: 0 6px; font-size: 13px; line-height: 1.6; background: var(--paper); white-space: nowrap; }
.scr { font-weight: 600; }
.note, .warn, .ok { border-radius: 8px; padding: 10px 14px; margin: 10px 0; font-size: 14px; }
.note { background: var(--gold-l); border-left: 4px solid var(--gold); }
.warn { background: var(--warn-l); border-left: 4px solid var(--warn); }
.ok { background: var(--ok-l); border-left: 4px solid var(--ok); }
.note strong, .warn strong, .ok strong { display: block; margin-bottom: 2px; }
figure { margin: 14px 0; }
figure img { display: block; max-width: 100%; border: 1px solid var(--line); border-radius: 6px; background: var(--paper); }
figure.crop img { max-height: 520px; object-fit: cover; object-position: top; width: 100%; }
figure.guide { margin: 10px 0 8px; }
figure.guide img { border: 1px solid var(--line); border-radius: 6px; max-width: 100%; }
.pin { display: inline-block; min-width: 1.6em; height: 1.6em; margin-right: .45em; border-radius: 50%; background: #e02020; color: #fff; font-weight: 700; font-size: 12px; line-height: 1.6em; text-align: center; vertical-align: 1px; }
figure.step { margin: 8px 0 14px; }
figure.step img { border: 1px solid var(--line); border-radius: 6px; max-width: 100%; }
ol.steps > li { margin: 10px 0 4px; }
.small { font-size: 13px; color: var(--muted); }
figcaption { font-size: 13px; color: var(--muted); margin-top: 4px; }
details.shot summary { cursor: pointer; color: var(--gold-d); font-size: 14px; }
.flow { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 10px; counter-reset: flow; margin: 12px 0 18px; }
.flow div { background: var(--paper); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; font-size: 13px; position: relative; }
.flow div::before { counter-increment: flow; content: counter(flow); display: inline-block; width: 22px; height: 22px; border-radius: 50%; background: var(--gold-d); color: #fff; text-align: center; line-height: 22px; font-size: 12px; margin-right: 6px; }
.flow b { display: block; font-size: 14px; margin: 4px 0 2px; }
.flow small { color: var(--muted); }
.tag { display: inline-block; font-size: 12px; border-radius: 999px; padding: 0 8px; border: 1px solid var(--line); margin-right: 4px; background: var(--ivory); }
.tag.admin { border-color: var(--gold); }
.tag.shopify { border-color: #5e8e3e; }
.tag.phone { border-color: #7a7a7a; }
.checklist { list-style: none; padding-left: 0; }
.checklist li::before { content: "□ "; color: var(--gold-d); }
footer { color: var(--muted); font-size: 13px; border-top: 1px solid var(--line); padding-top: 14px; }
@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
  nav.toc { position: static; height: auto; border-right: 0; border-bottom: 1px solid var(--line); }
  main { padding: 24px 16px 60px; }
  header.cover { padding: 24px; }
}
@media print {
  nav.toc { display: none; }
  .layout { display: block; }
  main { padding: 0; }
  body { background: #fff; font-size: 11pt; }
  .uc, section { break-inside: avoid-page; }
  details.shot { display: block; }
  details.shot > summary { display: none; }
  a { color: inherit; text-decoration: none; }
}

.red { color: #e02020; }