.page-faq .faq-hero{
  position:relative;
  padding:44px 0 48px;
  overflow:hidden;
}
.page-faq .faq-hero::after{
  content:"";
  position:absolute;
  top:-180px;
  left:-140px;
  width:min(560px,80vw);
  height:420px;
  background:radial-gradient(closest-side, rgba(107,227,155,.20), transparent 72%);
  pointer-events:none;
}
.page-faq .faq-hero .container{
  position:relative;
  z-index:1;
}
.page-faq .faq-hero h1{
  max-width:16ch;
  margin:14px 0 18px;
}
.page-faq .faq-hero .lede{
  max-width:52ch;
}
.page-faq .faq-hero__tags{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  margin:26px 0 0;
  padding:0;
  list-style:none;
}

.page-faq .faq-manual{
  padding-top:12px;
}
.page-faq .faq-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:34px;
  align-items:start;
}
@media (min-width:1000px){
  .page-faq .faq-layout{
    grid-template-columns:minmax(160px,200px) minmax(0,1fr);
    gap:64px;
  }
}

.page-faq .faq-nav{
  position:sticky;
  top:96px;
}
.page-faq .rail__label{
  writing-mode:vertical-rl;
  margin:0 0 18px 2px;
  font-size:11px;
  font-weight:500;
  letter-spacing:.24em;
  color:var(--mist);
}
.page-faq .rail-list{
  display:block;
}
.page-faq .rail-item{
  display:block;
  width:100%;
  text-align:left;
  background:none;
  border:0;
  border-left:2px solid var(--line);
  padding:9px 0 9px 14px;
  font-family:var(--font-mono);
  font-size:12px;
  line-height:1.4;
  letter-spacing:.04em;
  color:var(--mist);
  cursor:pointer;
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.page-faq .rail-item:hover,
.page-faq .rail-item:focus-visible{
  color:var(--cyan);
  border-left-color:var(--cyan);
}
.page-faq .rail-item.is-active{
  color:var(--white);
  border-left-color:var(--orange);
}
@media (max-width:999px){
  .page-faq .faq-nav{
    position:static;
  }
  .page-faq .rail__label{
    writing-mode:horizontal-tb;
    letter-spacing:.18em;
    margin-bottom:10px;
  }
  .page-faq .rail-list{
    display:flex;
    gap:8px;
    overflow-x:auto;
    padding-bottom:6px;
    scrollbar-width:thin;
  }
  .page-faq .rail-item{
    width:auto;
    flex:0 0 auto;
    border-left:0;
    border-bottom:2px solid var(--line);
    white-space:nowrap;
    padding:8px 10px;
  }
  .page-faq .rail-item.is-active{
    border-left-color:transparent;
    border-bottom-color:var(--orange);
  }
}

.page-faq .faq-chapter{
  padding:0 0 44px;
}
.page-faq .faq-chapter + .faq-chapter{
  border-top:1px solid var(--line);
  padding-top:40px;
}
.page-faq .faq-chapter__head{
  display:flex;
  align-items:baseline;
  gap:14px;
  flex-wrap:wrap;
  margin-bottom:14px;
}
.page-faq .faq-chapter__no{
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.12em;
  color:var(--cyan);
}
.page-faq .faq-chapter h2{
  margin:0;
  font-size:clamp(22px,3vw,32px);
  line-height:1.16;
  letter-spacing:-.02em;
  color:var(--white);
}
.page-faq .faq-intro{
  margin:0 0 22px;
  max-width:54ch;
  font-size:15px;
  line-height:1.75;
  color:var(--mist);
}
.page-faq .faq-intro a,
.page-faq .faq-note a:not(.btn){
  color:var(--cyan);
  text-decoration:none;
  border-bottom:1px solid rgba(51,230,196,.35);
}
.page-faq .faq-intro a:hover,
.page-faq .faq-note a:not(.btn):hover{
  border-bottom-color:var(--orange);
  color:var(--orange);
}

.page-faq .step-map{
  list-style:none;
  margin:0;
  padding:0;
}
.page-faq .step-map__item{
  position:relative;
  margin-left:9px;
  padding:0 0 26px 38px;
  border-left:1px solid rgba(51,230,196,.38);
}
.page-faq .step-map__item:last-child{
  border-left-color:transparent;
  padding-bottom:0;
}
.page-faq .step-map__no{
  position:absolute;
  left:-13px;
  top:0;
  width:26px;
  height:26px;
  display:grid;
  place-items:center;
  border-radius:50%;
  background:var(--ink-2);
  border:1px solid var(--cyan);
  color:var(--cyan);
  font-family:var(--font-mono);
  font-size:11px;
}
.page-faq .step-map__item h3{
  margin:3px 0 6px;
  font-size:15px;
  font-weight:600;
  color:var(--white);
}
.page-faq .step-map__item p{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}

.page-faq .faq-figure{
  margin:26px 0 0;
}
.page-faq .faq-figure .media-frame__cap{
  margin-top:10px;
  font-size:12px;
  line-height:1.7;
  color:var(--mist);
}

.page-faq .qa-list{
  margin:0;
}
.page-faq .qa{
  border-top:1px solid var(--line);
  transition:background-color .28s var(--ease),border-radius .28s var(--ease);
}
.page-faq .qa-list > .qa:last-of-type{
  border-bottom:1px solid var(--line);
}
.page-faq .qa__q{
  display:flex;
  align-items:flex-start;
  gap:14px;
  padding:17px 16px;
  cursor:pointer;
  list-style:none;
  font-size:16px;
  font-weight:600;
  line-height:1.5;
  color:var(--white);
  transition:color .24s var(--ease);
}
.page-faq .qa__q::-webkit-details-marker{
  display:none;
}
.page-faq .qa__mark{
  flex:0 0 auto;
  position:relative;
  width:20px;
  height:20px;
  margin-top:2px;
  border-radius:50%;
  border:1px solid var(--line-strong);
  transition:border-color .24s var(--ease);
}
.page-faq .qa__mark::before,
.page-faq .qa__mark::after{
  content:"";
  position:absolute;
  top:50%;
  left:5px;
  right:5px;
  height:1px;
  background:var(--cyan);
}
.page-faq .qa__mark::after{
  transform:rotate(90deg);
  transition:transform .24s var(--ease);
}
.page-faq .qa[open] .qa__mark::after{
  transform:rotate(0deg);
}
.page-faq .qa__a{
  padding:0 16px 20px 50px;
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}
.page-faq .qa__a p{
  margin:0;
}
.page-faq .qa[open]{
  background:var(--paper);
  border-top-color:transparent;
  border-radius:var(--radius-m);
}
.page-faq .qa[open] .qa__q{
  color:var(--paper-ink);
}
.page-faq .qa[open] .qa__mark{
  border-color:rgba(26,21,18,.35);
}
.page-faq .qa[open] .qa__mark::before,
.page-faq .qa[open] .qa__mark::after{
  background:var(--orange);
}
.page-faq .qa[open] .qa__a{
  color:var(--paper-ink);
}
.page-faq .qa-list--tight .qa__q{
  font-size:15px;
  padding:15px 16px;
}
@media (max-width:640px){
  .page-faq .qa__q{
    font-size:15px;
    gap:10px;
    padding:15px 12px;
  }
  .page-faq .qa__a{
    padding:0 12px 18px 42px;
  }
}

.page-faq .mode-switch{
  position:relative;
  margin:0 0 4px;
}
.page-faq .mode-input{
  position:absolute;
  width:1px;
  height:1px;
  opacity:0;
  pointer-events:none;
}
.page-faq .mode-tabs{
  display:grid;
  grid-template-columns:repeat(auto-fit,minmax(140px,1fr));
  gap:10px;
  margin:0 0 18px;
}
.page-faq .mode-tab{
  display:block;
  padding:14px 16px;
  border:1px solid var(--line);
  border-radius:var(--radius-m);
  cursor:pointer;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.page-faq .mode-tab:hover{
  border-color:var(--line-strong);
}
.page-faq .mode-tab__k{
  display:block;
  font-size:15px;
  font-weight:600;
  color:var(--white);
  margin-bottom:4px;
}
.page-faq .mode-tab__d{
  display:block;
  font-size:12px;
  letter-spacing:.04em;
  color:var(--mist);
}
.page-faq #faq-mode-round:checked ~ .mode-tabs .mode-tab:nth-child(1),
.page-faq #faq-mode-stage:checked ~ .mode-tabs .mode-tab:nth-child(2),
.page-faq #faq-mode-month:checked ~ .mode-tabs .mode-tab:nth-child(3){
  border-color:var(--cyan);
  background:rgba(51,230,196,.09);
}
.page-faq #faq-mode-round:checked ~ .mode-tabs .mode-tab:nth-child(1) .mode-tab__k,
.page-faq #faq-mode-stage:checked ~ .mode-tabs .mode-tab:nth-child(2) .mode-tab__k,
.page-faq #faq-mode-month:checked ~ .mode-tabs .mode-tab:nth-child(3) .mode-tab__k{
  color:var(--cyan);
}
.page-faq .mode-panel{
  display:none;
  padding:2px 0 2px 18px;
  border-left:2px solid var(--cyan);
}
.page-faq .mode-panel h3{
  margin:0 0 8px;
  font-size:15px;
  font-weight:600;
  color:var(--white);
}
.page-faq .mode-panel p{
  margin:0;
  max-width:52ch;
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}
.page-faq #faq-mode-round:checked ~ .mode-panels .mode-panel--round,
.page-faq #faq-mode-stage:checked ~ .mode-panels .mode-panel--stage,
.page-faq #faq-mode-month:checked ~ .mode-panels .mode-panel--month{
  display:block;
}

.page-faq .faq-fields{
  margin:0 0 22px;
}
.page-faq .faq-field{
  display:grid;
  grid-template-columns:96px minmax(0,1fr);
  gap:14px;
  padding:13px 0;
  border-top:1px dashed var(--line);
}
.page-faq .faq-field:first-child{
  border-top:0;
  padding-top:0;
}
.page-faq .faq-field dt{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.06em;
  color:var(--cyan);
  padding-top:3px;
}
.page-faq .faq-field dd{
  margin:0;
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}
@media (max-width:640px){
  .page-faq .faq-field{
    grid-template-columns:minmax(0,1fr);
    gap:4px;
  }
  .page-faq .faq-field dt{
    padding-top:0;
  }
}

.page-faq .duo{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:12px;
  margin:0 0 22px;
}
@media (min-width:720px){
  .page-faq .duo{
    grid-template-columns:minmax(0,1fr) minmax(0,1fr);
    gap:16px;
  }
}
.page-faq .duo__card{
  background:var(--ink-2);
  border-radius:var(--radius-m);
  padding:18px 20px;
}
.page-faq .duo__card h3{
  margin:0 0 8px;
  font-size:15px;
  font-weight:600;
  color:var(--cyan);
  letter-spacing:.02em;
}
.page-faq .duo__card p{
  margin:0;
  font-size:14px;
  line-height:1.78;
  color:var(--mist);
}

.page-faq .help-list{
  list-style:none;
  margin:0 0 24px;
  padding:0;
}
.page-faq .help-list li{
  display:grid;
  grid-template-columns:minmax(0,1fr);
  gap:4px;
  padding:14px 0;
  border-top:1px solid var(--line);
}
.page-faq .help-list li:last-child{
  border-bottom:1px solid var(--line);
}
@media (min-width:720px){
  .page-faq .help-list li{
    grid-template-columns:88px minmax(0,1fr);
    gap:16px;
    align-items:baseline;
  }
}
.page-faq .help-list__k{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.14em;
  color:var(--cyan);
}
.page-faq .help-list__v{
  font-size:14px;
  line-height:1.75;
  color:var(--mist);
}
.page-faq .help-list__v a{
  color:var(--white);
  text-decoration:none;
  border-bottom:1px solid var(--line-strong);
}
.page-faq .help-list__v a:hover{
  color:var(--orange);
  border-bottom-color:var(--orange);
}

.page-faq .faq-note{
  margin:18px 0 0;
  font-size:13px;
  line-height:1.75;
  color:var(--mist);
}
.page-faq .faq-note--wide{
  margin:0 0 20px;
}
.page-faq .faq-links{
  display:flex;
  flex-wrap:wrap;
  gap:8px 22px;
  padding-top:4px;
}
.page-faq .faq-links a{
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.08em;
  color:var(--mist);
  text-decoration:none;
  border-bottom:1px solid var(--line);
  padding-bottom:2px;
}
.page-faq .faq-links a:hover{
  color:var(--cyan);
  border-bottom-color:var(--cyan);
}

@media (prefers-reduced-motion:reduce){
  .page-faq .qa,
  .page-faq .qa__q,
  .page-faq .qa__mark,
  .page-faq .qa__mark::after,
  .page-faq .rail-item,
  .page-faq .mode-tab{
    transition:none;
  }
}
<<<END>>>