.section-nav{position:fixed;z-index:12;left:max(28px,calc((100vw - 1680px)/2));top:50%;transform:translateY(-50%);width:184px;font-size:13px;color:#7a7b78}.toc-caption{font-size:10px;letter-spacing:.16em;color:#92938e;margin-bottom:27px}.toc-group{margin:0 0 14px}.toc-group summary{display:flex;align-items:center;gap:10px;list-style:none;cursor:pointer;font-size:13px;font-weight:600;color:#666964;padding:6px 0;letter-spacing:-.03em}.toc-group summary::-webkit-details-marker{display:none}.toc-number{font-size:10px;color:#a7a8a2;font-weight:400;letter-spacing:.04em}.toc-chevron{margin-left:auto;font-size:15px}.toc-group[open] .toc-chevron{transform:rotate(180deg)}.toc-group.is-current summary{color:#171a17}.toc-group.is-current .toc-number{color:#ff7900}.toc-group ul{list-style:none;border-left:1px solid #e1e2dd;padding:3px 0 3px 17px;margin:9px 0 15px 7px}.toc-group a{position:relative;display:block;font-size:12px;line-height:1.6;padding:6px 0;color:#848781;transition:transform .2s,opacity .2s}.toc-group a:hover{color:#242821;transform:translateX(3px)}.toc-group a[aria-current]{color:#171a17;font-weight:700}.toc-group a[aria-current]:before{content:'';position:absolute;width:5px;height:5px;border-radius:50%;background:#ff7900;left:-20px;top:13px}.toc-contact{display:flex;justify-content:space-between;border-top:1px solid #e1e2dd;padding-top:17px;margin-top:23px;color:#272b25;font-size:12px}.toc-contact span{color:#ff7900}.toc-toggle{display:none}
@media(max-width:1650px){.section-nav{top:14px;left:20px;transform:none;width:230px}.toc-toggle{display:flex;gap:10px;align-items:center;width:100%;background:#fff;border:1px solid #e4e4df;border-radius:8px;padding:12px 15px;font-size:12px;box-shadow:0 4px 20px #00000006}.toc-current{color:#777;font-size:11px;flex:1;text-align:right;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}#toc-panel{display:none;background:#fff;border:1px solid #e6e6e0;border-radius:10px;padding:22px;margin-top:8px;max-height:calc(100dvh - 150px);overflow:auto;box-shadow:0 12px 35px #0000000a}.section-nav.is-open #toc-panel{display:block;animation:toc-in .18s ease-out}.header{padding-top:76px}.toc-group a{padding-block:8px}.toc-group a[aria-current]:before{top:15px}.toc-group summary{padding-block:9px}}
@media(max-width:900px){.section-nav{width:220px;left:20px;top:12px}.toc-caption{margin-bottom:15px}.toc-group{margin-bottom:9px}.toc-toggle{padding:10px 12px}.header{padding-top:66px}}
@media(min-width:1651px) and (max-height:720px){.section-nav{top:25px;transform:none;max-height:calc(100dvh - 50px);overflow:auto}}
@keyframes toc-in{from{opacity:0;transform:translateY(-5px)}to{opacity:1;transform:translateY(0)}}


/* Emphasized consultation, with unchanged sidebar sizing. */
.toc-contact{border:0;border-radius:8px;background:#ff7900;color:#fff;font-weight:800;padding:13px 15px;align-items:center;transition:transform .18s,opacity .18s}.toc-contact span{color:inherit}.toc-contact:hover{transform:translateY(-2px);opacity:.9}

.back-to-top{position:fixed;left:28px;bottom:24px;z-index:13;width:56px;height:56px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:#eee;color:#666;font-size:12px;font-weight:600;letter-spacing:.02em;transition:transform .18s,opacity .18s}.back-to-top:hover{transform:translateY(-3px);opacity:.85}
@media(max-width:900px){.back-to-top{left:20px;bottom:calc(88px + env(safe-area-inset-bottom,0px));width:48px;height:48px;font-size:11px}}


/* Conversion-first navigation: consultation stays visible before the section list. */
.floating-consultation{position:fixed;right:24px;top:50%;transform:translateY(-50%);z-index:15;display:flex;flex-direction:column;align-items:center;gap:8px;padding:19px 15px;border-radius:18px;background:#ff7900;color:white;box-shadow:0 8px 24px #ff790026;font-size:13px;transition:opacity .2s,transform .2s}.floating-consultation>span{font-size:23px;line-height:1}.floating-consultation:hover{transform:translateY(calc(-50% - 3px));opacity:.9}.back-to-top{left:auto;right:24px;bottom:24px}
@media(max-width:900px){.floating-consultation{right:12px;padding:13px 10px;border-radius:14px;font-size:11px}.floating-consultation>span{font-size:20px}.back-to-top{left:auto;right:14px;bottom:calc(20px + env(safe-area-inset-bottom,0px))}}

.toc-contact{margin-top:0;flex-direction:column;align-items:flex-start;gap:2px;border-radius:10px;padding:14px 15px}.toc-contact strong{font-size:14px}.toc-contact span{font-size:10px;font-weight:600;opacity:.85}.toc-guide{display:flex;justify-content:space-between;align-items:center;padding:9px 3px 16px;margin-bottom:10px;border-bottom:1px solid #e1e2dd;font-size:11px;font-weight:700;color:#62655f}.toc-guide span,.toc-product span{color:#ff7900}.toc-guide:hover,.toc-product:hover{color:#ff7900}.toc-product{display:flex;justify-content:space-between;border-top:1px solid #e1e2dd;padding-top:14px;margin-top:14px;font-size:11px;font-weight:700;color:#454944}

/* Persistent header and more visible consultation access. */
.header{position:sticky;top:0;z-index:20;isolation:isolate;padding-block:22px;background:none}
.header:before{content:'';position:absolute;z-index:-1;pointer-events:none;top:0;bottom:-34px;left:calc((100% - 100vw / .85)/2);right:calc((100% - 100vw / .85)/2);background:linear-gradient(to bottom,rgba(255,233,211,.98) 0%,rgba(255,247,238,.97) 42%,rgba(255,253,250,.88) 72%,rgba(255,255,255,0) 100%)}
html{scroll-padding-top:125px}
.floating-consultation{min-width:112px;min-height:118px;padding:23px 19px;gap:13px;border-radius:22px;font-size:16px;box-shadow:0 10px 30px #f5790033}.send-icon{width:32px;height:32px}
@media(max-width:1650px){.section-nav{top:110px}#toc-panel{max-height:calc(100dvh - 210px)}}
@media(max-width:900px){.header{padding-block:16px;gap:13px}.header:before{bottom:-26px}.section-nav{top:116px}.floating-consultation{right:12px;min-width:78px;min-height:94px;padding:17px 11px;gap:10px;border-radius:18px;font-size:12px}.send-icon{width:26px;height:26px}html{scroll-padding-top:150px}body{padding-bottom:0}}
@media(min-width:1651px) and (max-height:720px){.section-nav{top:130px;max-height:calc(100dvh - 155px)}}

/* Keep consultation above TOP, without covering mobile content with the TOC. */
.floating-consultation{box-sizing:border-box;top:auto;bottom:calc(92px + env(safe-area-inset-bottom,0px));right:24px;width:96px;height:96px;min-width:0;min-height:0;padding:0;justify-content:center;gap:8px;border-radius:50%;background:linear-gradient(145deg,#ff9947,#ff7900);font-size:14px;transform:none}
.floating-consultation:hover{transform:scale(1.05);opacity:1}
.floating-consultation .send-icon{width:32px;height:32px;flex-shrink:0}
.back-to-top{right:24px;bottom:calc(24px + env(safe-area-inset-bottom,0px))}
@media(max-width:900px){.section-nav{display:none}.floating-consultation{right:14px;bottom:calc(80px + env(safe-area-inset-bottom,0px));width:76px;height:76px;gap:6px;font-size:12px}.floating-consultation .send-icon{width:27px;height:27px}.back-to-top{right:14px;bottom:calc(20px + env(safe-area-inset-bottom,0px))}}
@media(hover:none){.floating-consultation:hover{transform:none}}
@media(max-width:900px){#consultation{scroll-margin-top:16px}}