/*
Theme Name: Lurena Manual
Theme URI: https://manual-s1app.lurena.jp
Author: Lurena
Description: Private operation manual theme for Lurena S1 App.
Version: 1.0.0
Text Domain: lurena-manual
*/

:root {
  --bg: #f5f3ef;
  --surface: #ffffff;
  --surface-soft: #fbfaf7;
  --ink: #25211c;
  --muted: #6b6258;
  --line: #ded7ce;
  --accent: #315f52;
  --accent-strong: #24483e;
  --gold: #b9853e;
  --danger: #a33a32;
  --shadow: 0 18px 50px rgba(37, 33, 28, 0.09);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic", "Yu Gothic UI", sans-serif;
  line-height: 1.75;
}

a {
  color: var(--accent-strong);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

.manual-shell {
  min-height: 100vh;
}

.manual-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(245, 243, 239, 0.94);
  backdrop-filter: blur(16px);
}

.manual-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 14px 24px;
}

.manual-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 220px;
  color: var(--ink);
  text-decoration: none;
}

.manual-brand__mark {
  display: grid;
  width: 38px;
  height: 38px;
  place-items: center;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 700;
  letter-spacing: 0;
}

.manual-brand__name {
  display: block;
  font-weight: 700;
  line-height: 1.25;
}

.manual-brand__sub {
  display: block;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.3;
}

.manual-nav {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--muted);
  font-size: 14px;
}

.manual-nav a {
  color: var(--muted);
  text-decoration: none;
}

.manual-nav a:hover {
  color: var(--accent-strong);
}

.manual-layout {
  display: grid;
  grid-template-columns: minmax(220px, 280px) minmax(0, 1fr);
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 32px 24px 64px;
}

.manual-sidebar {
  position: sticky;
  top: 86px;
  align-self: start;
  max-height: calc(100vh - 108px);
  overflow: auto;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.manual-sidebar__title {
  margin: 0 0 10px;
  color: var(--muted);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.manual-sidebar ul {
  display: grid;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.manual-sidebar a {
  display: block;
  padding: 8px 10px;
  border-radius: 6px;
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
}

.manual-sidebar a:hover,
.manual-sidebar .current_page_item > a {
  background: #ebe6de;
  color: var(--accent-strong);
}

.manual-content {
  min-width: 0;
}

.manual-article {
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.manual-hero {
  padding: 40px 44px 34px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(135deg, #fff 0%, #f7f1e8 100%);
}

.manual-kicker {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.35;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 4vw, 48px);
}

.manual-lead {
  max-width: 760px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.manual-body {
  padding: 34px 44px 46px;
}

.manual-body h2 {
  margin: 40px 0 14px;
  padding-top: 4px;
  color: var(--accent-strong);
  font-size: 25px;
}

.manual-body h2:first-child {
  margin-top: 0;
}

.manual-body h3 {
  margin: 28px 0 10px;
  font-size: 19px;
}

.manual-body p {
  margin: 0 0 16px;
}

.manual-body ul,
.manual-body ol {
  margin: 0 0 20px;
  padding-left: 1.3em;
}

.manual-body li {
  margin: 6px 0;
}

.manual-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin: 22px 0;
}

.manual-card {
  min-height: 150px;
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-soft);
}

.manual-card h3 {
  margin-top: 0;
}

.manual-note,
.manual-warning,
.manual-check {
  margin: 22px 0;
  padding: 16px 18px;
  border-left: 4px solid var(--accent);
  border-radius: 6px;
  background: #f4f8f5;
}

.manual-warning {
  border-left-color: var(--danger);
  background: #fff4f2;
}

.manual-check {
  border-left-color: var(--gold);
  background: #fff8ec;
}

.manual-table {
  width: 100%;
  margin: 20px 0 26px;
  border-collapse: collapse;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 14px;
}

.manual-table th,
.manual-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.manual-table th {
  background: #efe9df;
  color: var(--ink);
  font-weight: 700;
}

.manual-table tr:last-child td {
  border-bottom: 0;
}

code {
  padding: 2px 5px;
  border-radius: 4px;
  background: #eee8df;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.92em;
}

.login {
  background: var(--bg);
}

.login h1 a {
  width: 110px;
  height: 110px;
  border-radius: 22px;
  background: var(--accent);
  color: #fff;
  text-indent: 0;
  font-size: 0;
  box-shadow: var(--shadow);
}

.login h1 a::after {
  content: "Lurena\\A Manual";
  display: grid;
  width: 100%;
  height: 100%;
  place-items: center;
  white-space: pre;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.25;
  text-align: center;
}

.login form {
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.login .button-primary {
  border-color: var(--accent-strong);
  background: var(--accent);
}

@media (max-width: 860px) {
  .manual-header__inner {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
  }

  .manual-layout {
    grid-template-columns: 1fr;
    padding: 20px 16px 48px;
  }

  .manual-sidebar {
    position: static;
    max-height: none;
  }

  .manual-hero,
  .manual-body {
    padding-right: 22px;
    padding-left: 22px;
  }

  .manual-grid {
    grid-template-columns: 1fr;
  }
}