.page-faq {
  position: relative;
  background:
    radial-gradient(1200px 400px at 85% -10%, rgba(157, 78, 221, 0.18), transparent 60%),
    radial-gradient(900px 420px at -10% 30%, rgba(255, 42, 109, 0.12), transparent 60%);
}

.page-faq .faq-hero {
  position: relative;
  padding: 40px 0 8px;
}

.page-faq .faq-hero::after {
  content: "";
  display: block;
  height: 1px;
  margin-top: 28px;
  background: var(--grad-gold-line);
}

.page-faq .faq-hero__title {
  margin: 4px 0 14px;
  max-width: 920px;
  font-family: 'Arial Black', 'Impact', 'Hiragino Kaku Gothic Std', 'Noto Sans CJK SC', sans-serif;
  font-weight: 900;
  font-size: clamp(28px, 5.2vw, 52px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--c-white);
}

.page-faq .faq-hero__lead {
  max-width: 760px;
  margin: 0 0 22px;
  color: var(--c-text-dim);
  font-size: 16px;
  line-height: 1.85;
}

.page-faq .faq-hero__search {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 20px;
}

.page-faq .faq-keyword {
  flex: 1 1 260px;
  max-width: 420px;
  height: 46px;
  padding: 0 16px;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  color: var(--c-text);
  font-size: 14px;
  transition: border-color var(--dur) var(--ease-out), box-shadow var(--dur) var(--ease-out);
}

.page-faq .faq-keyword::placeholder {
  color: var(--c-text-dim);
}

.page-faq .faq-keyword:focus {
  outline: none;
  border-color: var(--c-pink);
  box-shadow: 0 0 0 2px rgba(255, 42, 109, 0.22);
}

.page-faq .faq-topics {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 4px 14px;
  margin: 24px 0 28px;
  scrollbar-width: thin;
}

.page-faq .faq-topics__label {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 20px;
  color: var(--c-text-dim);
  font-size: 13px;
  font-weight: 700;
  background: var(--c-surface);
  border: 1px solid var(--c-border);
  clip-path: polygon(12px 0, 100% 0, calc(100% - 12px) 100%, 0 100%);
  cursor: pointer;
  transition: background var(--dur) var(--ease-out), color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out);
}

.page-faq .faq-topics__label:hover {
  color: var(--c-white);
  border-color: var(--c-border-soft);
}

.page-faq #faq-topic-all:checked ~ .faq-topics label[for="faq-topic-all"],
.page-faq #faq-topic-fav:checked ~ .faq-topics label[for="faq-topic-fav"],
.page-faq #faq-topic-hd:checked ~ .faq-topics label[for="faq-topic-hd"],
.page-faq #faq-topic-search:checked ~ .faq-topics label[for="faq-topic-search"],
.page-faq #faq-topic-list:checked ~ .faq-topics label[for="faq-topic-list"] {
  background: var(--grad-pink-purple);
  border-color: transparent;
  color: #fff;
}

.page-faq .faq-topics__radio:checked ~ .faq-layout .faq-block {
  display: none;
}

.page-faq #faq-topic-all:checked ~ .faq-layout .faq-block,
.page-faq #faq-topic-fav:checked ~ .faq-layout #faq-favorite,
.page-faq #faq-topic-hd:checked ~ .faq-layout #faq-quality,
.page-faq #faq-topic-search:checked ~ .faq-layout #faq-search,
.page-faq #faq-topic-list:checked ~ .faq-layout #faq-updates {
  display: block;
}

.page-faq .faq-sidebar {
  margin-bottom: 32px;
}

.page-faq .faq-sidebar__nav {
  display: flex;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.page-faq .faq-sidebar__link {
  position: relative;
  display: inline-block;
  padding: 6px 12px;
  color: var(--c-text-dim);
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid transparent;
  transition: color var(--dur) var(--ease-out), border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-faq .faq-sidebar__link::before {
  content: "★";
  display: inline-block;
  margin-right: 7px;
  color: var(--c-gold);
  font-size: 11px;
  transform: translateY(-1px);
}

.page-faq .faq-sidebar__link:hover {
  color: var(--c-white);
  border-color: var(--c-border);
  background: var(--c-surface);
}

.page-faq .faq-sidebar__card {
  padding: 20px;
  border-left: 2px solid var(--c-gold);
}

.page-faq .faq-sidebar__card-title {
  margin: 0 0 8px;
  color: var(--c-white);
  font-size: 16px;
  font-weight: 900;
}

.page-faq .faq-sidebar__card-text {
  margin: 0 0 16px;
  color: var(--c-text-dim);
  font-size: 13px;
  line-height: 1.7;
}

.page-faq .faq-block {
  margin-bottom: 48px;
  scroll-margin-top: 96px;
}

.page-faq .faq-block .section-head {
  margin-bottom: 18px;
}

.page-faq .faq-block__cols {
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

.page-faq .faq-item {
  margin-bottom: 12px;
  overflow: hidden;
  border: 1px solid var(--c-border-soft);
  border-left: 3px solid transparent;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.035), rgba(157, 78, 221, 0.05));
  transition: border-color var(--dur) var(--ease-out), background var(--dur) var(--ease-out);
}

.page-faq .faq-item[open] {
  border-left-color: var(--c-pink);
  background: linear-gradient(135deg, rgba(255, 42, 109, 0.06), rgba(157, 78, 221, 0.04));
}

.page-faq .faq-item summary {
  position: relative;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 17px 52px 17px 18px;
  font-size: 15px;
  font-weight: 800;
  line-height: 1.5;
  color: var(--c-text);
  cursor: pointer;
  list-style: none;
}

.page-faq .faq-item summary::-webkit-details-marker {
  display: none;
}

.page-faq .faq-item summary::before {
  content: "";
  flex: 0 0 auto;
  width: 10px;
  height: 10px;
  background: var(--c-gold);
  clip-path: polygon(0 0, 100% 0, 100% 100%);
}

.page-faq .faq-item summary::after {
  content: "+";
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  font-weight: 400;
  color: var(--c-text-dim);
  transition: transform var(--dur) var(--ease-out), color var(--dur) var(--ease-out);
}

.page-faq .faq-item[open] summary::after {
  color: var(--c-pink);
  transform: translateY(-50%) rotate(45deg);
}

.page-faq .faq-item__body {
  padding: 0 20px 18px 42px;
  color: var(--c-text-dim);
  font-size: 14px;
  line-height: 1.85;
}

.page-faq .faq-item__body p {
  margin: 0 0 10px;
}

.page-faq .faq-item__body a {
  color: var(--c-pink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-faq .faq-quality-scale {
  display: flex;
  gap: 4px;
  margin-bottom: 26px;
}

.page-faq .faq-quality-scale span {
  flex: 1;
  min-width: 0;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 6px;
  border-radius: 2px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--c-text-dim);
  background: var(--c-surface-2);
  white-space: nowrap;
}

.page-faq .faq-quality-scale span:nth-child(1) {
  background: #201a33;
}

.page-faq .faq-quality-scale span:nth-child(2) {
  background: #2f2450;
}

.page-faq .faq-quality-scale span:nth-child(3) {
  background: #513879;
  color: var(--c-text);
}

.page-faq .faq-quality-scale span:nth-child(4) {
  background: #7b3fae;
  color: #fff;
}

.page-faq .faq-quality-scale span:nth-child(5) {
  background: var(--grad-pink-purple);
  color: #fff;
  box-shadow: 0 0 18px rgba(255, 42, 109, 0.28);
}

.page-faq .faq-phone-frame,
.page-faq .faq-quality-frame {
  flex: 0 0 auto;
}

.page-faq .faq-phone-frame {
  max-width: 200px;
  width: 100%;
  margin: 0 auto;
}

.page-faq .faq-phone-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1 / 2;
}

.page-faq .faq-quality-frame {
  width: 100%;
  max-width: 680px;
}

.page-faq .faq-quality-frame img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

.page-faq .faq-more {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: space-between;
  padding: 22px 24px;
  border-top: 1px solid var(--c-border);
  border-bottom: 1px solid var(--c-border);
}

.page-faq .faq-more p {
  margin: 0;
  color: var(--c-text-dim);
  font-size: 14px;
}

@media (prefers-reduced-motion: reduce) {
  .page-faq .faq-topics__label,
  .page-faq .faq-item,
  .page-faq .faq-item summary::after,
  .page-faq .faq-item summary::before {
    transition: none;
  }
}

@media (min-width: 960px) {
  .page-faq .faq-hero {
    padding-top: 56px;
  }

  .page-faq .faq-topics {
    margin: 8px 0 40px;
  }

  .page-faq .faq-layout {
    display: grid;
    grid-template-columns: 260px minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-faq .faq-sidebar {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
  }

  .page-faq .faq-sidebar__nav {
    flex-direction: column;
    gap: 2px;
    margin-bottom: 28px;
  }

  .page-faq .faq-sidebar__link {
    display: block;
    padding: 10px 12px;
  }

  .page-faq .faq-block__cols {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 240px;
    gap: 28px;
    align-items: start;
  }

  .page-faq .faq-quality-frame {
    grid-row: 1;
    grid-column: 2;
  }
}