:root{--bg:#D7E4E6;--deepbg:#C4D4D6;--panel:#F3F7F7;--soft:#E4EEEF;--title:#1E2C2E;--text:#2A3A3C;--muted:#4A6064;--faint:#6A8084;--teal:#4A8A8C;--deep:#1E2C2E;--sand:#C4A070;--line:rgba(30,44,46,.14);--focus:rgba(74,138,140,.42);--shadow:0 12px 28px rgba(30,44,46,.08);--max:980px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden;padding-bottom:0}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}img{display:block;max-width:100%;height:auto;object-fit:contain;object-position:center}button{font:inherit}.wrap{width:min(calc(100% - 32px),var(--max));margin:0 auto}.skip-link{position:fixed;left:16px;top:-80px;z-index:200;background:var(--panel);padding:8px 12px;border-radius:6px}.skip-link:focus{top:8px}.site-top{position:fixed;top:0;left:0;right:0;z-index:100}.top-strip{height:20px;background:var(--deep);color:var(--panel);font-size:12px}.top-strip-inner{height:20px;display:flex;align-items:center;justify-content:space-between}.plain-button,.menu-toggle,.close-button{border:0;background:transparent;color:inherit;cursor:pointer;min-height:44px}.top-strip .plain-button{min-height:20px;padding:0 4px;color:var(--panel)}.brand-row{height:54px;background:var(--panel);border-bottom:1px solid var(--focus)}.brand-row-inner{height:54px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand-link{display:flex;align-items:center;min-height:44px}.brand-link img,.footer-logo img,.drawer-brand img{height:24px;width:auto;max-width:180px}.brand-fallback{font-size:16px;font-weight:700;color:var(--title)}.brand-actions{display:flex;align-items:center;gap:8px}.app-link,.menu-toggle{height:44px;display:inline-flex;align-items:center;padding:0 12px;border-radius:8px}.app-link{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--panel)}.menu-toggle{border:1px solid var(--focus);color:var(--title);background:var(--panel)}.desktop-nav{background:rgba(243,247,247,.96);border-bottom:1px solid var(--line)}.desktop-nav-inner{display:flex;flex-direction:column;align-items:flex-start;padding:4px 0 6px}.desktop-nav a{position:relative;height:34px;display:flex;align-items:center;padding:0 12px;color:var(--muted);min-width:120px}.desktop-nav a.active{color:var(--title);font-weight:700}.desktop-nav a.active:before{content:"";position:absolute;left:0;top:7px;bottom:7px;width:3px;background:var(--teal)}.site-main{padding-top:226px;min-height:70vh}.page-shell{padding:32px 0 56px}.eyebrow{display:inline-block;font-size:12px;letter-spacing:.08em;color:var(--teal);font-weight:700;text-transform:uppercase}.hero-copy{max-width:720px}.hero-copy h1,.page-head h1{font-size:24px;line-height:1.3;margin:10px 0 12px;color:var(--title)}h2{font-size:20px;line-height:1.4;color:var(--title);margin:0 0 12px}h3{font-size:16px;line-height:1.5;color:var(--title);margin:0 0 8px}p{margin:0 0 12px}.lead{font-size:16px;color:var(--muted)}.section{margin-top:28px}.panel{background:var(--panel);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow);padding:22px}.soft-panel{background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:20px}.btn-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}.btn{height:42px;display:inline-flex;align-items:center;justify-content:center;padding:0 18px;border-radius:8px;font-size:14px;min-width:110px}.btn.primary{background:linear-gradient(135deg,#4A8A8C 0%,#1E2C2E 100%);color:var(--panel)}.btn.secondary{background:var(--panel);border:1px solid var(--teal);color:var(--deep)}a:hover,.plain-button:hover,.menu-toggle:hover,.close-button:hover{filter:brightness(.96)}a:focus-visible,button:focus-visible{outline:3px solid var(--sand);outline-offset:3px}.short-index{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;margin-bottom:18px}.short-index a{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:12px 10px;text-align:center;font-weight:700;color:var(--title)}.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}.image-slot{background:var(--deepbg);border:1px solid var(--line);border-radius:8px;display:flex;align-items:center;justify-content:center;padding:10px;min-height:120px}.image-slot img{width:100%;height:100%;max-height:100%;object-fit:contain}.slot-168{height:168px}.slot-200{height:200px}.slot-320{height:320px}.marquee-cards{display:flex;gap:14px;overflow-x:auto;padding-bottom:6px;scroll-snap-type:x proximity}.marquee-cards article{flex:0 0 min(320px,84vw);scroll-snap-align:start}.insert-pages{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}.shelf-cards{display:grid;grid-template-columns:1fr 1fr;gap:18px}.period-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.status-list{display:grid;gap:10px}.status-item{display:flex;align-items:flex-start;justify-content:space-between;gap:18px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:14px 16px}.status-badge{font-size:12px;white-space:nowrap;background:var(--soft);color:var(--deep);padding:4px 8px;border-radius:999px}.app-split{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center}.app-visual{display:grid;grid-template-columns:1fr;gap:10px}.app-icon{width:48px;height:48px;object-fit:contain}.text-list{display:grid;gap:10px}.text-list article{border-top:1px solid var(--line);padding-top:12px}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}.faq-item{background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}.page-head{margin-bottom:22px}.column-lead{display:grid;grid-template-columns:190px 1fr;gap:24px;align-items:start}.column-lead .side-note{background:var(--deep);color:var(--panel);border-radius:8px;padding:18px}.report-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.report-grid article{background:var(--panel);border-top:4px solid var(--teal);padding:20px;border-radius:6px}.single-flow{max-width:760px}.memo-list{display:grid;gap:12px}.memo-list article{background:var(--panel);border-left:4px solid var(--teal);padding:16px 18px;border-radius:0 8px 8px 0}.method-steps{counter-reset:steps;display:grid;gap:14px}.method-steps article{counter-increment:steps;background:var(--panel);padding:18px 18px 18px 64px;border-radius:8px;position:relative}.method-steps article:before{content:counter(steps);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--deep);color:var(--panel);font-weight:700}.topic-list{display:grid;gap:14px}.topic-list article{display:grid;grid-template-columns:160px 1fr;gap:16px;background:var(--panel);border:1px solid var(--line);border-radius:8px;padding:16px}.center-card{max-width:760px;margin:0 auto;text-align:left}.terms section{padding:18px 0;border-top:1px solid var(--line)}.banner-slot{height:200px}.site-footer{background:#162022;color:#D7E4E6;border-top:1px solid rgba(74,138,140,.5);padding:28px 0 78px}.footer-brand{display:flex;align-items:center;gap:12px;padding-bottom:18px}.footer-brand strong{display:block;color:#F3F7F7}.footer-brand span{font-size:12px;color:#AFC3C6}.footer-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:18px 0;border-top:1px solid rgba(215,228,230,.12);border-bottom:1px solid rgba(215,228,230,.12)}.footer-grid h2{font-size:14px;color:#F3F7F7;margin-bottom:8px}.footer-grid a{display:block;font-size:13px;color:#D7E4E6;padding:3px 0}.footer-note{padding-top:16px;font-size:13px;color:#B7CBCD}.overlay{position:fixed;inset:0;background:rgba(22,32,34,.45);z-index:120}.overlay[hidden]{display:none}.drawer{position:fixed;z-index:130;left:16px;bottom:16px;width:360px;max-width:calc(100% - 32px);max-height:480px;background:var(--panel);border:1px solid var(--focus);border-radius:10px;box-shadow:var(--shadow);transform:translateY(calc(100% + 40px));visibility:hidden;pointer-events:none;transition:.22s ease;overflow:auto}.drawer.open{transform:translateY(0);visibility:visible;pointer-events:auto}.drawer-head{position:sticky;top:0;background:var(--panel);display:flex;align-items:center;justify-content:space-between;padding:12px 14px;border-bottom:1px solid var(--line);z-index:2}.drawer-brand{display:flex;align-items:center;gap:10px}.drawer-brand img{height:24px}.close-button{padding:0 10px;border-radius:8px;color:var(--deep)}.drawer-groups{padding:6px 14px 16px}.drawer-groups section{padding:10px 0;border-bottom:1px solid var(--line)}.drawer-groups h2{font-size:13px;margin-bottom:6px;color:var(--muted)}.drawer-groups a{display:grid;grid-template-columns:74px 1fr;gap:8px;padding:6px 0}.drawer-groups b{color:var(--title)}.drawer-groups span{font-size:13px;color:var(--muted)}.search-panel{position:fixed;z-index:125;left:0;right:0;top:74px;background:var(--panel);border-bottom:1px solid var(--focus);box-shadow:var(--shadow);transform:translateY(-130%);visibility:hidden;pointer-events:none;transition:.2s ease}.search-panel.open{transform:translateY(0);visibility:visible;pointer-events:auto}.search-inner{padding:22px 0}.search-head{display:flex;justify-content:space-between;gap:16px}.search-head h2{margin-top:4px}.search-presets{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.search-presets a{height:42px;display:inline-flex;align-items:center;padding:0 16px;background:var(--soft);border:1px solid var(--line);border-radius:8px}.mobile-bottom{display:none}
@media (max-width:760px){body{padding-bottom:calc(48px + env(safe-area-inset-bottom))}.wrap{width:min(calc(100% - 32px),var(--max))}.desktop-nav{display:none}.site-main{padding-top:74px}.brand-actions{gap:4px}.app-link,.menu-toggle{padding:0 10px}.short-index{grid-template-columns:1fr 1fr}.two-col,.insert-pages,.shelf-cards,.period-grid,.app-split,.faq-grid,.report-grid,.column-lead,.topic-list article{grid-template-columns:1fr}.column-lead .side-note{order:2}.status-item{flex-direction:column;gap:8px}.footer-grid{grid-template-columns:1fr 1fr}.site-footer{padding-bottom:76px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:110;height:calc(48px + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:var(--panel);border-top:1px solid var(--focus)}.mobile-bottom a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:var(--muted)}.mobile-bottom a.active{background:var(--teal);color:var(--panel)}.drawer{width:88%;left:6%;bottom:calc(60px + env(safe-area-inset-bottom));max-height:70vh}.search-panel{inset:0;top:0;background:var(--deep);color:var(--panel);transform:translateY(-100%)}.search-inner{padding:24px 16px}.search-head h2,.search-panel .eyebrow,.search-panel .close-button{color:var(--panel)}.search-presets a{background:rgba(243,247,247,.08);border-color:rgba(243,247,247,.18);color:var(--panel)}.slot-320{height:280px}}
@media (min-width:761px) and (max-width:1050px){.wrap{width:min(calc(100% - 40px),var(--max))}}