/* Manual styles are scoped to the content; header/footer use site.css. */
/* Online manual: reference design adapted to the static Legacy Tools site. */
html { scroll-behavior: auto; }
.manual-content { margin: 0; background: #F7F8FA; color: #0E1726; font-family: 'Noto Sans JP', 'IBM Plex Sans', system-ui, sans-serif; }
.manual-content *, .manual-content *::before, .manual-content *::after { box-sizing: border-box; }
.manual-content button, .manual-content input, .manual-content textarea { font: inherit; }
.manual-content button { cursor: pointer; }
.manual-content a { text-decoration: none; }
.manual-content a:hover { text-decoration: underline; }
.manual-content :is(a, button, input, textarea):focus-visible { outline: 3px solid #4F46E5; outline-offset: 3px; }
.manual-content button:disabled { cursor: default; opacity: .4; }
.manual-content [hidden] { display: none !important; }
.manual-frame { min-height: 100vh; display: flex; flex-direction: column; }
.manual-frame > main { flex: 1; min-width: 0; }
.manual-content section[id] { scroll-margin-top: var(--note-anchor-offset, 80px); }
.manual-container { max-width: 1160px; margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.manual-eyebrow { color: #4F46E5; font: 500 12px/1.5 'IBM Plex Mono', monospace; letter-spacing: .12em; }
.manual-lead, .manual-section-lead { color: #4A5A6E; font-size: 16px; line-height: 1.9; max-width: 700px; }
.manual-section-lead { font-size: 15px; margin: 10px 0 30px; }
.manual-content h1, .manual-content h2, .manual-content h3 { color: #0E1726; }
.manual-content h1 { font-size: clamp(30px,4.4vw,48px); line-height: 1.3; letter-spacing: -.025em; }
.manual-content h2 { font-size: clamp(24px,3vw,32px); line-height: 1.4; }
.manual-content h3 { font-size: 20px; line-height: 1.5; }
.manual-primary, .manual-secondary { display: inline-flex; align-items: center; justify-content: center; gap: 6px; border-radius: 8px; padding: 10px 14px; font-size: 13px; font-weight: 700; line-height: 1.4; text-align: center; }
.manual-primary { background: #4F46E5; color: #fff !important; border: 1px solid #4F46E5; }
.manual-primary:hover { background: #3730A3; text-decoration: none !important; }
.manual-secondary { background: #fff; color: #4F46E5; border: 1px solid #C7D2FE; }
.manual-secondary:hover { background: #EEF2FF; text-decoration: none !important; }
.manual-actions { display: flex; flex-wrap: wrap; gap: 10px; }
.manual-logo { display: block; flex: none; border-radius: 20%; object-fit: cover; }
.manual-badge { display: inline-block; flex: none; border-radius: 999px; padding: 2px 8px; font-size: 10px; font-weight: 500; line-height: 1.5; white-space: nowrap; }
.manual-badge.is-ready { color: #3730A3; background: #EEF2FF; }
.manual-badge.is-soon { color: #4A5A6E; background: #F3F4F6; }

.manual-toolbar { max-width: 1160px; margin: 0 auto; padding: 10px 24px; display: flex; align-items: center; gap: 12px 16px; flex-wrap: wrap; }
.manual-section-nav { display: flex; gap: 16px; flex-wrap: wrap; }
.manual-section-nav a { font-size: 13px; color: #4A5A6E; }

.manual-content.manual-index { background: #FAFBFC; }
.manual-home { max-width: 1260px; padding-top: 52px; padding-bottom: 24px; }
.manual-home-intro { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: center; gap: 40px; margin: 16px 0 36px; }
.manual-home h1 { margin: 0; font-size: clamp(30px,3.3vw,48px); font-weight: 700; line-height: 1.35; letter-spacing: -.025em; }
.manual-home-intro > p { max-width: 450px; margin: 0; border-left: 1px solid var(--color-border-strong); padding-left: 32px; color: var(--color-text-secondary); font-size: 18px; line-height: 1.6; text-wrap: pretty; }
.manual-home-intro > p > span { display: block; }
.manual-directory-group { display: grid; grid-template-columns: 282px minmax(0,1fr); gap: 52px; padding: 12px 0; border-top: 1px solid var(--color-border-strong); }
.manual-directory-group:first-child { padding-top: 0; }
.manual-group-intro { padding-top: 10px; }
.manual-group-intro h2 { margin: 0 0 14px; font-size: 30px; line-height: 1.4; letter-spacing: -.025em; text-wrap: balance; }
.manual-group-intro p { margin: 0; color: var(--color-text-secondary); font-size: 17px; line-height: 1.65; }
.manual-product-list { list-style: none; padding: 0; margin: 0; min-width: 0; }
.manual-product-list > li + li { border-top: 1px solid var(--color-border); }
.manual-catalog-link { display: grid; grid-template-columns: 36px 256px minmax(0,1fr) 20px; align-items: center; gap: 20px; min-height: 68px; padding: 14px 8px; color: var(--color-text-primary); transition: background-color 120ms; }
.manual-catalog-link strong { font-family: var(--font-sans); font-size: 20px; font-weight: 600; line-height: 1.4; }
.manual-product-task { font-size: 18px; line-height: 1.6; text-wrap: pretty; }
.manual-row-arrow { width: 20px; height: 20px; color: var(--color-accent); transform: rotate(-90deg); }
.manual-content .manual-catalog-link:hover { background: var(--color-accent-soft); text-decoration: none; }
.manual-catalog-link:hover strong { text-decoration: underline; text-underline-offset: 4px; }
.manual-content .manual-catalog-link:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; background: var(--color-accent-soft); }
@media (max-width: 1100px) {
  .manual-directory-group { grid-template-columns: 240px minmax(0,1fr); gap: 32px; }
  .manual-catalog-link { grid-template-columns: 36px minmax(0,1fr) 20px; column-gap: 16px; row-gap: 4px; }
  .manual-catalog-link strong { font-size: 18px; }
  .manual-catalog-link .manual-logo { grid-row: 1 / 3; }
  .manual-product-task { grid-column: 2; font-size: 15px; color: var(--color-text-secondary); }
  .manual-row-arrow { grid-column: 3; grid-row: 1 / 3; }
  .manual-group-intro h2 { font-size: 24px; }
  .manual-home-intro { gap: 24px; }
  .manual-home-intro > p { padding-left: 24px; }
}
@media (max-width: 800px) {
  .manual-home-intro { grid-template-columns: minmax(0,1fr); gap: 16px; margin-bottom: 32px; }
  .manual-home-intro > p > span { display: inline; }
  .manual-home-intro > p { font-size: 16px; border-left: 0; padding-left: 0; max-width: 42ch; }
  .manual-directory-group { grid-template-columns: 200px minmax(0,1fr); gap: 24px; }
}
@media (max-width: 640px) {
  .manual-home { padding-top: 32px; padding-bottom: 32px; }
  .manual-home h1 { font-size: clamp(26px,7vw,30px); }
  .manual-directory-group { grid-template-columns: minmax(0,1fr); gap: 12px; padding: 24px 0 16px; }
  .manual-directory-group:first-child { padding-top: 24px; }
  .manual-group-intro { padding-top: 0; }
  .manual-group-intro h2 { margin-bottom: 8px; font-size: 23px; }
  .manual-group-intro p { max-width: none; font-size: 15px; line-height: 1.7; }
  .manual-catalog-link { min-height: 80px; grid-template-columns: 32px minmax(0,1fr) 16px; column-gap: 12px; padding: 14px 0; }
  .manual-catalog-link .manual-logo { width: 32px; height: 32px; }
  .manual-catalog-link strong { font-size: 17px; }
  .manual-product-task { font-size: 14px; }
  .manual-row-arrow { width: 16px; height: 16px; }
}

.manual-soon { max-width: 760px; padding-top: 80px; padding-bottom: 100px; }
.manual-back { font-size: 13px; }
.manual-soon-heading { display: flex; gap: 14px; align-items: center; margin-top: 28px; }
.manual-soon-heading p { font-size: 22px; font-weight: 700; margin: 2px 0; }
.manual-soon h1 { font-size: clamp(24px,3.4vw,34px); margin: 24px 0 12px; }
.manual-soon-box { border: 1px dashed #C7D2FE; border-radius: 16px; padding: 26px; margin-top: 34px; }
.manual-soon-box h2 { font-size: 18px; margin: 0 0 18px; }

.manual-product-hero { padding-top: 48px; padding-bottom: 24px; }
.manual-crumb { color: #6B7280; font-size: 12px; }
.manual-crumb a { color: #4F46E5; }
.manual-product-label { display: flex; align-items: center; gap: 12px; margin-top: 26px; color: #4F46E5; font: 500 12px 'IBM Plex Mono', monospace; letter-spacing: .12em; }
.manual-hero-layout { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr); gap: 48px; align-items: center; margin-top: 28px; }
.manual-hero-layout .manual-product-label { margin-top: 0; letter-spacing: .04em; }
.manual-product-hero h1 { margin: 20px 0; font-size: clamp(28px, 3vw, 38px); line-height: 1.5; text-wrap: balance; }
.manual-hero-figure { margin: 0; min-width: 0; }
.manual-hero-figure > a { display: block; border: 1px solid #DDE2E8; border-radius: 12px; overflow: hidden; cursor: zoom-in; }
.manual-hero-figure img { display: block; width: 100%; height: auto; aspect-ratio: 4 / 3; object-fit: contain; background: #fff; }
.manual-hero-figure figcaption { display: flex; flex-wrap: wrap; gap: 6px 16px; justify-content: space-between; padding-top: 12px; color: #4A5A6E; font-size: 12px; line-height: 1.7; }
.manual-hero-figure figcaption a { color: #4F46E5; text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 900px) {
  .manual-hero-layout { grid-template-columns: minmax(0, 1fr); gap: 24px; }
  .manual-hero-figure { width: 100%; max-width: 600px; }
}
.manual-product-hero .manual-lead { margin: 0; }
.manual-goal-eyebrow { margin-top: 36px; }
.manual-goals { display: grid; grid-template-columns: repeat(auto-fit,minmax(230px,1fr)); gap: 14px; margin-top: 12px; }
.manual-goal-card { display: flex; flex-direction: column; gap: 8px; min-height: 170px; padding: 20px 20px 18px; background: #fff; border: 1.5px solid #E5E7EB; border-radius: 16px; color: #0E1726; text-align: left; }
.manual-goal-card:hover { border-color: #A5B4FC; text-decoration: none; }
.manual-contents a.manual-goal-card:hover strong { text-decoration: underline; text-underline-offset: 3px; }
.manual-goal-card.is-active { border-color: #4F46E5; box-shadow: 0 0 0 4px #EEF2FF; }
.manual-goal-top { display: flex; justify-content: space-between; align-items: center; color: #4F46E5; font: 12px 'IBM Plex Mono', monospace; }
.manual-goal-card strong { font-size: 16px; line-height: 1.5; }
.manual-goal-card > span:nth-child(3) { color: #4A5A6E; font-size: 13px; line-height: 1.6; }
.manual-goal-card > small { color: #6B7280; font-size: 12px; margin-top: auto; }

.manual-guide { padding-top: 32px; padding-bottom: 72px; }
.manual-guide-head, .manual-guide-body { background: #fff; border: 1px solid #E5E7EB; }
.manual-guide-head { display: flex; justify-content: space-between; gap: 16px; align-items: end; padding: 24px 28px 20px; border-radius: 20px 20px 0 0; }
.manual-guide-head h2 { font-size: 22px; margin: 7px 0 4px; }
.manual-guide-head p { margin: 0; color: #4A5A6E; font-size: 14px; }
.manual-progress { width: 180px; flex: none; text-align: right; color: #6B7280; font-size: 12px; }
.manual-progress [role="progressbar"] { height: 4px; background: #EEF0F4; margin-top: 10px; border-radius: 99px; overflow: hidden; }
.manual-progress [role="progressbar"] span { display: block; height: 100%; background: #4F46E5; transition: width .3s ease; }
.manual-guide-body { display: flex; flex-wrap: wrap; border-top: 0; border-radius: 0 0 20px 20px; overflow: hidden; }
.manual-step-list { flex: 1 1 240px; display: flex; flex-direction: column; gap: 3px; padding: 18px 14px; background: #FBFBFC; border-right: 1px solid #E5E7EB; }
.manual-step-list button { display: flex; align-items: center; gap: 10px; width: 100%; padding: 10px 12px; border: 0; border-radius: 10px; background: transparent; color: #4A5A6E; font-size: 13px; text-align: left; }
.manual-step-list button.is-active { background: #EEF2FF; color: #0E1726; font-weight: 700; }
.manual-step-mark { display: grid; place-items: center; flex: none; width: 24px; height: 24px; border: 1.5px solid #D1D5DB; border-radius: 50%; color: #6B7280; background: #fff; font-size: 11px; }
.manual-step-list button.is-active .manual-step-mark { color: #fff; background: #4F46E5; border-color: #4F46E5; }
.manual-step-content { flex: 3 1 520px; min-width: 0; display: flex; flex-direction: column; gap: 18px; padding: 24px 28px 28px; }
.manual-step-content h3 { margin: 5px 0 8px; }
.manual-step-content p { margin: 0; color: #2B3647; font-size: 15px; line-height: 1.95; }
.manual-media { width: 100%; margin: 0; border: 1px solid #E1E4EA; border-radius: 14px; overflow: hidden; }
.manual-media img, .manual-media video { display: block; width: 100%; height: auto; aspect-ratio: 16/9; object-fit: contain; background: #EEF0F4; }
.manual-media figcaption { padding: 8px 12px; color: #4A5A6E; font-size: 12px; }
.manual-video-placeholder { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; min-height: 180px; aspect-ratio: 16/9; padding: 16px; text-align: center; border: 1px solid #E1E4EA; border-radius: 14px; background: repeating-linear-gradient(135deg,#EEF0F4 0 10px,#F6F7F9 10px 20px); }
.manual-video-placeholder strong { font-size: 15px; font-weight: 500; }
.manual-video-placeholder small { color: #4A5A6E; font: 12px/1.5 'IBM Plex Mono', monospace; overflow-wrap: anywhere; }
.manual-play { display: grid; place-items: center; width: 64px; height: 64px; padding-left: 4px; border-radius: 50%; background: #fff; color: #4F46E5; font-size: 24px; }
.manual-examples { border: 1px solid #E5E7EB; border-radius: 12px; overflow: hidden; }
.manual-examples > strong { display: block; background: #FBFBFC; padding: 8px 12px; font-size: 12px; }
.manual-examples > div { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; padding: 9px 12px; border-top: 1px solid #F0F1F4; font-size: 13px; }
.manual-examples code, .manual-case-rule code { font: 13px 'IBM Plex Mono', monospace; overflow-wrap: anywhere; }
.manual-examples b { padding: 2px 8px; color: #3730A3; background: #EEF2FF; border: 1px solid #C7D2FE; border-radius: 6px; }
.manual-points { margin: 0; padding: 0; list-style: none; }
.manual-points li { position: relative; padding-left: 16px; color: #2B3647; font-size: 14px; line-height: 1.7; }
.manual-points li + li { margin-top: 6px; }
.manual-points li::before { content: ''; position: absolute; left: 0; top: .7em; width: 6px; height: 6px; border-radius: 50%; background: #4F46E5; }
.manual-step-actions { display: flex; justify-content: space-between; gap: 10px; flex-wrap: wrap; align-items: center; margin-top: 18px; padding-top: 18px; border-top: 1px solid #E5E7EB; }
.manual-step-nav { display: flex; gap: 8px; flex-wrap: wrap; margin-left: auto; }

.manual-try { padding: 72px 0; background: #fff; border-top: 1px solid #E5E7EB; border-bottom: 1px solid #E5E7EB; }
.manual-try h2, .manual-cases h2 { margin: 10px 0; }
.manual-demo-columns { display: flex; gap: 20px; flex-wrap: wrap; align-items: flex-start; }
.manual-chat { position: relative; flex: 3 1 520px; min-width: 0; overflow: hidden; background: #FAFAFB; border: 1px solid #E1E4EA; border-radius: 16px; box-shadow: 0 20px 50px -24px rgba(19,52,96,.25); }
.manual-chat-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; background: #F3F4F6; border-bottom: 1px solid #E5E7EB; }
.manual-chat-bar i { width: 10px; height: 10px; flex: none; border-radius: 50%; background: #D1D5DB; }
.manual-chat-bar > span { margin-left: 4px; padding: 2px 12px; border: 1px solid #E5E7EB; border-radius: 999px; background: #fff; color: #6B7280; font-size: 12px; }
.manual-chat-bar small { margin-left: auto; color: #6B7280; font-size: 11px; }
.manual-chat-body { display: flex; flex-direction: column; gap: 14px; min-height: 420px; padding: 20px; }
.manual-assistant { align-self: flex-start; max-width: 80%; padding: 10px 14px; background: #fff; border: 1px solid #E5E7EB; border-radius: 14px; color: #4A5A6E; font-size: 14px; }
.manual-sent-list { display: flex; flex-direction: column; gap: 14px; }
.manual-sent { display: flex; flex-direction: column; align-items: flex-end; gap: 4px; align-self: flex-end; max-width: 88%; }
.manual-sent small { color: #6B7280; font-size: 11px; }
.manual-sent > div { max-width: 100%; padding: 12px 16px; background: #16202F; color: #fff; border-radius: 14px; font-size: 14px; line-height: 1.85; white-space: pre-wrap; overflow-wrap: anywhere; }
.manual-sent-hit { color: #C7D2FE; text-decoration: underline; text-underline-offset: 3px; }
.manual-composer { margin-top: auto; padding: 12px 14px 10px; border: 1.5px solid #A5B4FC; border-radius: 14px; background: #fff; box-shadow: 0 0 0 3px #EEF2FF; }
.manual-composer textarea { display: block; width: 100%; border: 0; resize: vertical; background: transparent; color: #0E1726; font-size: 15px; line-height: 1.85; }
.manual-composer textarea:focus { outline: none; }
.manual-file-example { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; padding: 8px 0; border-top: 1px solid #E5E7EB; font-size: 12px; overflow-wrap: anywhere; }
.manual-file-example span { flex: 1 1 180px; min-width: 0; }
.manual-file-example small { width: 100%; color: #4A5A6E; }
.manual-composer-actions { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin-top: 6px; }
.manual-composer-actions > span { color: #15803d; font-size: 12px; }
.manual-composer-actions > span.is-info { color: #4F46E5; }
.manual-composer-actions > span.is-caution { color: #B45309; }
.manual-composer-actions > div { display: flex; flex-wrap: wrap; gap: 8px; margin-left: auto; }
.manual-composer-actions button { padding: 7px 12px; }
.manual-dialog-backdrop { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; padding: 20px; background: rgba(14,23,38,.38); }
.manual-dialog { width: 100%; max-width: 400px; overflow: hidden; background: #fff; border-radius: 16px; box-shadow: 0 30px 60px -20px rgba(14,23,38,.45); }
.manual-dialog-head { display: flex; align-items: center; gap: 10px; padding: 14px 18px; border-bottom: 1px solid #F0F1F4; }
.manual-dialog-head strong { font-size: 13px; }
.manual-dialog-head small { margin-left: auto; color: #6B7280; font-size: 11px; }
.manual-dialog-content { display: flex; flex-direction: column; gap: 12px; padding: 18px; }
.manual-dialog-content h3 { margin: 0; font-size: 16px; }
.manual-dialog-content p { margin: 0; color: #4A5A6E; font-size: 13px; line-height: 1.7; }
.manual-dialog-actions { display: flex; gap: 8px; flex-wrap: wrap; padding: 0 18px 18px; }
.manual-dialog-actions button { flex: 1 1 140px; }
.manual-dialog-actions button:first-child { box-shadow: 0 0 0 3px #C7D2FE; }
.manual-settings { flex: 2 1 320px; min-width: 0; display: flex; flex-direction: column; gap: 14px; }
.manual-settings-panel { padding: 14px 16px; border: 1px solid #E5E7EB; border-radius: 14px; background: #fff; }
.manual-settings-panel h3 { margin: 0; font-size: 14px; }
.manual-settings-panel p { margin: 4px 0 10px; color: #6B7280; font-size: 12px; line-height: 1.7; }
.manual-preset { display: flex; align-items: center; gap: 12px; margin: 0 -16px; padding: 10px 16px; border-top: 1px solid #F0F1F4; }
.manual-preset > div { display: flex; flex: 1; flex-direction: column; min-width: 0; }
.manual-preset strong { font-size: 13px; font-weight: 500; }
.manual-preset small { color: #6B7280; font: 11px/1.5 'IBM Plex Mono', 'Noto Sans JP', monospace; overflow-wrap: anywhere; }
.manual-switch { position: relative; width: 40px; height: 22px; flex: none; border: 0; border-radius: 999px; padding: 0; background: #CBD5E1; transition: background .2s; }
.manual-switch.is-on { background: #4F46E5; }
.manual-switch span { position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .2s; }
.manual-switch.is-on span { transform: translateX(18px); }
.manual-rule-list { display: flex; flex-direction: column; }
.manual-rule { display: flex; align-items: center; gap: 7px; flex-wrap: wrap; padding: 8px 0; border-top: 1px solid #F0F1F4; font-size: 12px; }
.manual-rule code { flex: 1; min-width: 0; color: #4A5A6E; overflow-wrap: anywhere; }
.manual-rule b { padding: 1px 6px; color: #3730A3; background: #EEF2FF; border-radius: 5px; }
.manual-rule small, .manual-case-rule small { color: #6B7280; border: 1px solid #E5E7EB; border-radius: 4px; padding: 0 4px; }
.manual-rule button { border: 0; background: transparent; color: #6B7280; font-size: 16px; }
.manual-rule-form { display: flex; flex-wrap: wrap; gap: 6px; padding-top: 10px; border-top: 1px solid #F0F1F4; }
.manual-rule-form input:not([type="checkbox"]) { flex: 1 1 90px; min-width: 0; padding: 7px 9px; border: 1px solid #E5E7EB; border-radius: 7px; font-size: 13px; }
.manual-rule-form button { padding: 7px 12px; font-size: 12px; }
.manual-rule-regex { display: flex; align-items: center; gap: 5px; width: 100%; color: #4A5A6E; font-size: 12px; }
#manual-rule-error { color: #9A3412; }
.manual-timing { display: flex; gap: 2px; padding: 3px; margin-top: 10px; border-radius: 9px; background: #F3F4F6; }
.manual-timing button { flex: 1; border: 0; border-radius: 7px; padding: 7px 8px; background: transparent; color: #4A5A6E; font-size: 12px; font-weight: 500; }
.manual-timing button.is-active { color: #0E1726; background: #fff; box-shadow: 0 1px 3px rgba(14,23,38,.12); }
.manual-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.manual-tags span { padding: 3px 10px; border: 1px solid #C7D2FE; border-radius: 999px; background: #EEF2FF; color: #3730A3; font-size: 12px; font-weight: 500; }
.manual-tags.subtle span { border: 0; background: #F3F4F6; color: #4A5A6E; }

.manual-cases { padding-top: 72px; padding-bottom: 72px; }
.manual-case-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.manual-case-tabs button { padding: 9px 18px; background: #fff; color: #4A5A6E; border: 1px solid #E5E7EB; border-radius: 999px; font-size: 14px; font-weight: 500; }
.manual-case-tabs button.is-active { background: #16202F; color: #fff; border-color: #16202F; }
.manual-case-layout { display: flex; flex-wrap: wrap; gap: 20px; align-items: flex-start; }
.manual-case-list { flex: 1 1 260px; display: flex; flex-direction: column; gap: 8px; }
.manual-case-list button { display: flex; flex-direction: column; gap: 4px; width: 100%; padding: 14px 16px; background: transparent; border: 1.5px solid #E5E7EB; border-radius: 14px; color: #0E1726; text-align: left; }
.manual-case-list button.is-active { background: #fff; border-color: #4F46E5; }
.manual-case-list strong { font-size: 15px; }
.manual-case-list small { color: #6B7280; font-size: 12px; line-height: 1.6; }
.manual-case-detail { flex: 3 1 560px; min-width: 0; display: flex; flex-direction: column; gap: 18px; padding: 24px 26px; background: #fff; border: 1px solid #E5E7EB; border-radius: 18px; }
.manual-case-detail > div:first-child > small { color: #6B7280; font-size: 12px; }
.manual-case-detail h3 { margin: 4px 0 8px; }
.manual-case-detail p { margin: 0; color: #2B3647; font-size: 14px; line-height: 1.9; }
.manual-case-examples { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 12px; }
.manual-case-box { overflow: hidden; border: 1px solid #E5E7EB; border-radius: 12px; }
.manual-case-box.is-accent { border-color: #C7D2FE; }
.manual-case-box > div:first-child { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; padding: 8px 12px; border-bottom: 1px solid #E5E7EB; background: #FBFBFC; }
.manual-case-box.is-accent > div:first-child { border-color: #C7D2FE; background: #EEF2FF; }
.manual-case-box > div:first-child b { padding: 2px 10px; border-radius: 999px; background: #16202F; color: #fff; font-size: 11px; }
.manual-case-box.is-accent > div:first-child b { background: #4F46E5; }
.manual-case-box > div:first-child small { color: #6B7280; font-size: 11px; }
.manual-case-box > p { padding: 12px 14px; font-size: 13px; white-space: pre-wrap; overflow-wrap: anywhere; }
.manual-mask-hit { padding: 0 3px; color: #3730A3; background: #EEF2FF; border-radius: 4px; text-decoration: underline; text-decoration-color: #A5B4FC; text-underline-offset: 3px; }
.manual-gate-hit { padding: 0 2px; background: #FEF3C7; border-bottom: 2px solid #F59E0B; text-decoration: underline; }
.manual-case-confirm { display: flex; flex-direction: column; gap: 10px; padding: 14px; background: #FAFAFF; }
.manual-case-confirm > strong { font-size: 14px; }
.manual-case-confirm p { color: #6B7280; font-size: 12px; line-height: 1.7; }
.manual-case-rules { display: flex; flex-wrap: wrap; gap: 16px; }
.manual-case-rules > div { flex: 1 1 240px; }
.manual-case-rules strong { display: block; margin-bottom: 8px; font-size: 13px; }
.manual-case-rule { display: flex; align-items: center; gap: 6px; flex-wrap: wrap; margin: 5px 0; font-size: 12px; }
.manual-tip { display: flex; gap: 12px; padding: 12px 14px; border-radius: 12px; background: #F7F8FA; color: #4A5A6E; font-size: 13px; line-height: 1.7; }
.manual-tip strong { color: #4F46E5; font-size: 11px; white-space: nowrap; }
.manual-related { padding-top: 10px; padding-bottom: 72px; }
.manual-related-grid { margin-top: 16px; }
.manual-related-card { display: flex; align-items: center; gap: 14px; padding: 18px; background: #fff; border: 1px solid #E5E7EB; border-radius: 14px; color: #0E1726; }
.manual-related-card span { display: flex; flex: 1; flex-direction: column; }
.manual-related-card strong { font-size: 15px; }
.manual-related-card small { color: #4A5A6E; font-size: 13px; }
.manual-related-card > b { color: #4F46E5; font-size: 13px; }
.manual-notes { padding: 72px 0; background: #16202F; color: #fff; }
.manual-notes .manual-eyebrow { color: #A5B4FC; }
.manual-notes h2 { color: #fff; margin: 10px 0 28px; }
.manual-note-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 1px; background: rgba(255,255,255,.12); }
.manual-note-grid > div { padding: 22px; background: #16202F; }
.manual-note-grid h3 { color: #fff; font-size: 15px; margin: 0 0 8px; }
.manual-note-grid p { color: #C9D2DE; font-size: 13px; line-height: 1.7; margin: 0; }
.manual-notes .manual-actions { margin-top: 28px; }
.manual-notes .manual-primary { background: #fff; border-color: #fff; color: #16202F !important; }
.manual-notes .manual-secondary { background: transparent; border-color: rgba(255,255,255,.3); color: #fff; }

@media (max-width: 800px) {
  .manual-toolbar { gap: 8px 12px; }
  .manual-section-nav { order: 5; width: 100%; }
}
@media (max-width: 640px) {
  .manual-container { padding-left: 16px; padding-right: 16px; }
  .manual-toolbar { padding: 10px 16px; }
  .manual-section-nav { order: 5; gap: 8px 14px; }
  .manual-goals { grid-template-columns: minmax(0,1fr); }
  .manual-guide-head { flex-wrap: wrap; padding: 20px; }
  .manual-progress { width: 100%; text-align: left; }
  .manual-step-list { flex-basis: 100%; border-right: 0; border-bottom: 1px solid #E5E7EB; }
  .manual-step-content { padding: 20px; }
  .manual-try, .manual-cases, .manual-notes { padding-top: 48px; padding-bottom: 48px; }
  .manual-chat-body { padding: 14px; }
  .manual-chat-bar small { display: none; }
  .manual-case-list { flex-basis: 100%; }
  .manual-case-detail { flex-basis: 100%; padding: 18px; }
  .manual-case-examples { grid-template-columns: minmax(0,1fr); }
  .manual-related-card { flex-wrap: wrap; }
  .manual-soon { padding-top: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  .manual-content *, .manual-content *::before, .manual-content *::after { scroll-behavior: auto !important; transition: none !important; animation: none !important; }
}

/* Setting names stay beside instructions and outcomes on wide screens. */
.manual-settings { padding-top: 32px; padding-bottom: 72px; }
.manual-settings h2 { margin: 10px 0 0; }
.manual-settings-start { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 24px; background: #fff; border: 1px solid #E5E7EB; border-radius: 12px; }
.manual-settings-start h3 { font-size: 16px; margin: 0 0 10px; }
.manual-settings p { margin: 0; font-size: 15px; line-height: 1.9; overflow-wrap: anywhere; }
.manual-settings .manual-section-lead { margin: 12px 0 28px; }
.manual-settings-group { margin-top: 36px; }
.manual-settings-group > h3 { margin: 0 0 16px; font-size: 20px; }
.manual-settings-group dl { margin: 0; border-top: 1px solid #CBD5E1; }
.manual-setting-row { display: grid; grid-template-columns: minmax(0, .7fr) minmax(0, 1fr) minmax(0, 1.3fr); gap: 24px; padding: 24px 0; border-bottom: 1px solid #E5E7EB; }
.manual-setting-row dt { font-weight: 700; font-size: 15px; line-height: 1.7; overflow-wrap: anywhere; }
.manual-setting-row dd { margin: 0; color: #4A5A6E; }
.manual-setting-row dd > strong { display: block; margin-bottom: 6px; color: #4F46E5; font-size: 12px; }
@media (max-width: 800px) {
  .manual-settings-start, .manual-setting-row { grid-template-columns: minmax(0, 1fr); gap: 16px; }
  .manual-settings-start { padding: 20px; }
  .manual-setting-row { padding: 24px 0; }
}

.manual-video-section { padding-top: 32px; padding-bottom: 48px; }
.manual-video-section h2 { margin: 0 0 24px; }
.manual-video-section .manual-media { max-width: 960px; }
.manual-video-section figcaption { font-size: 14px; line-height: 1.8; padding: 16px; }