:root{--bg: #0d0d0d;--surface: #1a1a1a;--ink: #e4e8f0;--muted: #a0aec0;--line: #333333;--link: #01a1ff;--bg-subtle: rgba(255, 255, 255, .05);font-family:system-ui,-apple-system,Segoe UI,Roboto,Noto Sans JP,Hiragino Kaku Gothic ProN,Yu Gothic,Meiryo,sans-serif}.manual-layout{height:100vh;display:flex;flex-direction:column;background:var(--bg);color:var(--ink);overflow:hidden}.manual-header{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:100}.manual-header-content{max-width:1600px;margin:0 auto;padding:10px 24px;display:flex;align-items:center;gap:16px}.manual-mobile-menu-toggle{display:none;background:none;border:none;font-size:24px;color:var(--ink);cursor:pointer;padding:4px 8px}.manual-header-logo{height:22px;width:auto;display:block;opacity:.7}.manual-header-title{font-size:14px;font-weight:500;color:var(--muted);margin:0}.manual-body{display:flex;flex:1;width:100%;min-height:0}.manual-sidebar{width:320px;min-width:320px;background:var(--surface);border-right:1px solid var(--line);height:calc(100vh - 49px);position:sticky;top:49px;overflow-y:auto;display:flex;flex-direction:column}.manual-sidebar-header{display:none;padding:16px;border-bottom:1px solid var(--line);justify-content:flex-end}.manual-sidebar-close{background:none;border:none;font-size:20px;color:var(--muted);cursor:pointer;padding:4px}.manual-search{padding:12px 16px;border-bottom:1px solid var(--line);position:relative}.manual-search-input{width:100%;padding:8px 12px;background:var(--bg);border:1px solid var(--line);border-radius:6px;color:var(--ink);font-size:13px}.manual-search-input:focus{outline:none;border-color:var(--muted)}.manual-search-results{position:absolute;top:52px;left:16px;right:16px;background:var(--surface);border:1px solid var(--line);border-radius:8px;max-height:400px;overflow-y:auto;z-index:10;box-shadow:0 4px 12px #00000026}.manual-search-result-item{width:100%;padding:10px 12px;background:none;border:none;border-bottom:1px solid var(--line);text-align:left;cursor:pointer;transition:background .15s ease;color:var(--ink)}.manual-search-result-item:last-child{border-bottom:none}.manual-search-result-item:hover{background:var(--bg)}.manual-search-result-section{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.05em;margin-bottom:2px}.manual-search-result-title{font-size:13px;font-weight:600;color:var(--ink);margin-bottom:2px}.manual-search-result-summary{font-size:12px;color:var(--muted)}.manual-nav{flex:1;overflow-y:auto;padding:4px 0}.manual-nav-section{margin-bottom:2px}.manual-nav-section-title{width:100%;padding:9px 16px;background:none;border:none;text-align:left;font-size:13px;font-weight:600;color:var(--ink);cursor:pointer;transition:background .15s ease;display:flex;align-items:center;gap:8px}.manual-nav-section-title:hover{background:var(--bg)}.manual-nav-section-icon{font-size:9px;color:var(--muted);display:inline-flex;align-items:center;transition:transform .2s ease;width:12px;flex-shrink:0}.manual-nav-section-title.expanded .manual-nav-section-icon{color:var(--ink)}.manual-nav-items{padding-left:8px}.manual-nav-item{width:100%;padding:6px 16px 6px 28px;background:none;border:none;text-align:left;font-size:13px;color:var(--muted);cursor:pointer;transition:all .15s ease;position:relative}.manual-nav-item:hover{background:var(--bg);color:var(--ink)}.manual-nav-item.active{background:#3b82f61a;color:var(--ink);font-weight:600}.manual-nav-item.active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--accent, #3b82f6)}.manual-content{flex:1;padding:32px 40px;overflow-y:auto;min-width:0}.manual-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:#00000080;z-index:99}.manual-welcome{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:calc(100vh - 200px);text-align:center;padding:40px 20px}.manual-welcome-logo{width:480px;max-width:90%;height:auto;margin-bottom:40px;opacity:.85}.manual-welcome-title{font-size:24px;font-weight:600;margin:0 0 16px;color:var(--ink)}.manual-welcome-description{font-size:15px;color:var(--muted);line-height:1.7;margin:0;max-width:480px}.manual-article{max-width:760px}.manual-article-header{width:100%;margin-bottom:32px}.manual-article-title{position:relative;font-size:32px;font-weight:800;margin:0 0 8px;padding-bottom:0;line-height:1.3;border-bottom:none}.manual-article-summary{font-size:15px;color:var(--muted);line-height:1.6;margin:0 0 32px}.manual-article-updated{font-size:12px;color:var(--muted)}.manual-article-content{line-height:1.8}.manual-article-content h1{font-size:24px;font-weight:700;margin:32px 0 16px;padding-bottom:8px;border-bottom:1px solid var(--line)}.manual-article-content h2{font-size:24px;font-weight:700;margin:48px 0 16px;padding-left:12px;padding-bottom:0;border-bottom:none;border-left:4px solid var(--accent, #3b82f6)}.manual-article-content>h2:first-child{margin-top:0}.manual-article-content h3{font-size:18px;font-weight:600;margin:32px 0 12px}.manual-article-content h4{font-size:16px;font-weight:600;margin:24px 0 8px}.manual-article-content hr{border:none;border-top:1px solid rgba(255,255,255,.06);margin:32px 0}.manual-article-content p{margin:0 0 16px}.manual-article-content blockquote{margin:16px 0;padding:12px 16px;background:#3b82f60f;border-left:3px solid var(--accent, #3b82f6);border-radius:4px;color:var(--muted)}.manual-article-content ul,.manual-article-content ol{margin:16px 0;padding-left:24px}.manual-article-content li{margin:8px 0}.manual-article-content strong{font-weight:600;color:var(--ink)}.manual-article-content a{color:var(--link);text-decoration:none}.manual-article-content a:hover{text-decoration:underline}.manual-article-content code{background:var(--bg-subtle);padding:2px 6px;border-radius:4px;font-size:13px;font-family:Monaco,Menlo,monospace}.manual-article-content pre{background:var(--bg-subtle);padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}.manual-article-content pre code{background:none;padding:0}.manual-article-content table{width:100%;border-collapse:collapse;margin:16px 0}.manual-article-content th,.manual-article-content td{padding:8px 12px;border:1px solid var(--line);text-align:left;font-size:14px}.manual-article-content th{background:var(--surface);font-weight:600}.manual-article-content details{margin:12px 0;border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden;transition:border-color .2s ease}.manual-article-content details:hover{border-color:var(--muted)}.manual-article-content details summary{padding:14px 18px;cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;font-weight:600;font-size:15px;color:var(--ink);transition:background .2s ease}.manual-article-content details summary::-webkit-details-marker{display:none}.manual-article-content details summary:hover{background:var(--bg-subtle)}.manual-article-content details[open] summary{border-bottom:1px solid var(--line)}.manual-article-content details>:not(summary){padding-left:18px;padding-right:18px}.manual-article-content details>:last-child{padding-bottom:16px}.manual-section{max-width:760px}.manual-breadcrumb{display:flex;align-items:center;gap:6px;margin-bottom:24px;font-size:13px;color:var(--muted)}.manual-breadcrumb button{background:none;border:none;color:var(--link);cursor:pointer;font-size:13px;padding:0}.manual-breadcrumb button:hover{text-decoration:underline}.manual-breadcrumb-separator{color:var(--muted)}.manual-section-title{font-size:32px;font-weight:800;margin:0 0 24px}.manual-section-items{display:flex;flex-direction:column;gap:8px}.manual-section-item-card{display:block;width:100%;text-align:left;padding:16px 20px;background:var(--surface);border:1px solid var(--line);border-radius:8px;cursor:pointer;transition:border-color .2s,background .2s}.manual-section-item-card:hover{border-color:var(--muted);background:var(--bg-subtle)}.manual-section-item-title{font-size:16px;font-weight:600;color:var(--ink);margin:0 0 4px}.manual-section-item-summary{font-size:13px;color:var(--muted);margin:0;line-height:1.5}.manual-contact-description{font-size:15px;color:var(--muted);line-height:1.7;margin:0 0 32px}.manual-contact-form{display:flex;flex-direction:column;gap:24px}.manual-contact-field{display:flex;flex-direction:column;gap:6px}.manual-contact-label{font-size:14px;font-weight:600;color:var(--ink);display:flex;align-items:center;gap:8px}.manual-contact-required{font-size:11px;font-weight:500;color:#f87171;background:#f871711a;padding:1px 6px;border-radius:4px}.manual-contact-input,.manual-contact-textarea{width:100%;padding:10px 14px;font-size:14px;line-height:1.5;color:var(--ink);background:var(--bg);border:1px solid var(--line);border-radius:6px;outline:none;transition:border-color .15s;font-family:inherit;box-sizing:border-box}.manual-contact-input:focus,.manual-contact-textarea:focus{border-color:var(--link)}.manual-contact-input::placeholder,.manual-contact-textarea::placeholder{color:#666}.manual-contact-textarea{resize:vertical;min-height:160px}.manual-contact-btn{display:inline-flex;align-items:center;justify-content:center;padding:10px 32px;font-size:14px;font-weight:600;color:#fff;background:var(--link);border:none;border-radius:6px;cursor:pointer;transition:opacity .15s;align-self:flex-start}.manual-contact-btn:hover{opacity:.85}.manual-contact-btn:disabled{opacity:.5;cursor:not-allowed}.manual-contact-btn-secondary{display:inline-flex;align-items:center;justify-content:center;padding:10px 24px;font-size:14px;font-weight:500;color:var(--muted);background:transparent;border:1px solid var(--line);border-radius:6px;cursor:pointer;transition:border-color .15s,color .15s}.manual-contact-btn-secondary:hover{border-color:var(--muted);color:var(--ink)}.manual-contact-error{padding:12px 16px;font-size:13px;color:#f87171;background:#f8717114;border:1px solid rgba(248,113,113,.2);border-radius:6px;line-height:1.5}.manual-contact-error p{margin:0}.manual-contact-result{display:flex;flex-direction:column;align-items:center;text-align:center;padding:64px 20px}.manual-contact-result-icon{width:56px;height:56px;display:flex;align-items:center;justify-content:center;font-size:28px;color:#34d399;background:#34d3991a;border-radius:50%;margin-bottom:20px}.manual-contact-result-title{font-size:20px;font-weight:600;color:var(--ink);margin:0 0 12px}.manual-contact-result-message{font-size:14px;color:var(--muted);line-height:1.7;margin:0 0 32px;max-width:400px}.manual-contact-result-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center}.manual-not-found{padding:64px 32px;text-align:center}.manual-not-found h2{font-size:24px;font-weight:600;margin:0 0 16px}.manual-not-found p{font-size:14px;color:var(--muted);margin:0 0 24px}.manual-back-button{padding:10px 20px;background:var(--ink);border:none;border-radius:8px;color:var(--bg);font-size:14px;font-weight:600;cursor:pointer;transition:all .2s ease}.manual-back-button:hover{opacity:.9;transform:translateY(-1px)}.manual-faq-item{margin:16px 0;border:1px solid var(--line);border-radius:8px;background:var(--surface);overflow:hidden;transition:all .2s ease}.manual-faq-item:hover{border-color:var(--muted);box-shadow:0 2px 8px #00000014}.manual-faq-item summary{padding:16px 20px;cursor:pointer;-webkit-user-select:none;user-select:none;list-style:none;display:flex;align-items:center;justify-content:space-between;font-weight:600;font-size:15px;color:var(--ink);transition:background .2s ease}.manual-faq-item summary::-webkit-details-marker{display:none}.manual-faq-item summary:hover{background:var(--bg-subtle)}.manual-faq-icon{margin-left:12px;font-size:12px;color:var(--muted);transition:transform .2s ease;flex-shrink:0}.manual-faq-item[open] .manual-faq-icon{transform:rotate(90deg)}.manual-faq-content{padding:0 20px 20px;color:var(--ink);line-height:1.7}.manual-faq-content p{margin:12px 0}.manual-faq-content ul{margin:12px 0;padding-left:24px}.manual-faq-content li{margin:8px 0}.manual-faq-content strong{color:var(--ink);font-weight:600}.manual-faq-content code{background:var(--bg-subtle);padding:2px 6px;border-radius:4px;font-size:13px;font-family:Monaco,Menlo,monospace}.manual-faq-content pre{background:var(--bg-subtle);padding:16px;border-radius:8px;overflow-x:auto;margin:16px 0}.manual-faq-content pre code{background:none;padding:0}.manual-faq-content a{color:var(--link);text-decoration:none;font-weight:500}.manual-faq-content a:hover{text-decoration:underline}@media (max-width: 1023px){.manual-mobile-menu-toggle{display:block}.manual-header-content{padding:10px 16px}.manual-sidebar{position:fixed;left:-320px;top:0;height:100vh;z-index:101;transition:left .3s ease}.manual-sidebar.open{left:0}.manual-sidebar-header{display:flex}.manual-overlay{display:block}.manual-content{padding:24px 16px}}@media (max-width: 640px){.manual-article-title{font-size:24px}.manual-article-content h1{font-size:20px}.manual-article-content h2{font-size:20px;margin-top:36px}.manual-article-content h3{font-size:16px}.manual-article-content h4{font-size:15px}.manual-welcome-logo{width:320px}.manual-welcome-title{font-size:20px}}.risk-calc{padding:1.5rem 0}.risk-calc__lead{font-size:14px;color:var(--muted);margin-bottom:1.5rem;line-height:1.6}.risk-calc__tabs{display:flex;gap:4px;border-bottom:.5px solid var(--line);margin-bottom:1.5rem}.risk-calc__tab{padding:8px 16px;font-size:13px;cursor:pointer;border:none;background:none;color:var(--muted);border-bottom:2px solid transparent;margin-bottom:-1px;transition:color .15s}.risk-calc__tab.active{color:var(--ink);border-bottom-color:var(--ink);font-weight:500}.risk-calc__sec-title{font-size:13px;font-weight:500;color:var(--ink);margin-bottom:12px}.risk-calc__results{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}.risk-calc__card{background:var(--surface);border-radius:8px;padding:1rem 1.25rem;display:flex;flex-direction:column;gap:4px}.risk-calc__card-label{font-size:12px;color:var(--muted)}.risk-calc__card-value{font-size:28px;font-weight:500;color:var(--ink)}.risk-calc__card-value.good{color:#4ade80}.risk-calc__card-value.warn{color:#facc15}.risk-calc__card-value.bad{color:#f87171}.risk-calc__card-sub{font-size:12px;color:var(--muted)}.risk-calc__insight{font-size:13px;color:var(--muted);line-height:1.6;padding:12px 14px;border-left:2px solid var(--line);margin-top:12px}.risk-calc__slider-group{margin-bottom:1.5rem;display:flex;flex-direction:column;gap:12px}.risk-calc__slider-row{display:flex;align-items:center;gap:10px}.risk-calc__slider-label{font-size:12px;color:var(--muted);min-width:110px}.risk-calc__slider-row input[type=range]{flex:1}.risk-calc__slider-val{font-size:13px;font-weight:500;color:var(--ink);min-width:60px;text-align:right}.manual-article-calculator{margin-top:3rem;padding-top:2rem;border-top:.5px solid var(--line)}