/* ============================================
   발성의 정석 — Landing Page
   ============================================ */

.vb-section {
  padding: 100px 20px;
  position: relative;
}
.vb-container {
  max-width: 720px;
  margin: 0 auto;
}

/* 공통 — 섹션 라벨 / 타이틀 */
.vb-sec-label {
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--분홍-500);
  font-weight: 700;
  margin-bottom: 16px;
  text-align: center;
}
.vb-sec-title {
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1.35;
  text-align: center;
  margin-bottom: 48px;
  color: var(--남색);
  font-weight: 800;
  letter-spacing: -0.02em;
}
.vb-sec-title em {
  font-style: normal;
  color: var(--분홍-500);
}

/* ============================================
   ① 히어로
   ============================================ */
.vb-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 20px 80px;
  background: linear-gradient(180deg, #1a2940 0%, #2C4A6E 60%, #3D5A80 100%);
  color: #fff;
  overflow: hidden;
}
.vb-hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top, rgba(232,93,138,0.25), transparent 60%),
    radial-gradient(ellipse at bottom, rgba(189,224,254,0.15), transparent 70%);
  pointer-events: none;
}
.vb-hero__inner {
  position: relative;
  text-align: center;
  max-width: 860px;
}
.vb-hero__sub {
  display: inline-block;
  font-size: 16px;
  letter-spacing: 0.15em;
  color: var(--하늘-400);
  border: 1px solid rgba(189,224,254,0.4);
  border-radius: 999px;
  padding: 6px 16px;
  margin-bottom: 24px;
}
/* 구 .vb-hero__title 그라데이션+text-fill-color:transparent 블록 제거됨
   (투명화 원인이었음, 새 규칙은 이 파일 하단에 v3로 재정의) */
.vb-hero__promise {
  font-size: clamp(20px, 3vw, 24px);
  line-height: 1.6;
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
}
.vb-hero__promise em {
  font-style: normal;
  color: var(--분홍-500);
  font-weight: 800;
}

.vb-hero__price {
  background: rgba(0,0,0,0.3);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--둥글기-대);
  padding: 24px;
  margin-bottom: 28px;
  backdrop-filter: blur(10px);
}
.vb-price__strike {
  display: inline-block;
  text-decoration: line-through;
  color: rgba(255,255,255,0.5);
  font-size: 17px;
  margin-right: 10px;
}
.vb-price__badge {
  display: inline-block;
  background: var(--분홍-500);
  color: #fff;
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 14px;
  font-weight: 700;
}
.vb-price__now {
  margin-top: 14px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.vb-price__label {
  font-size: 15px;
  color: var(--하늘-400);
}
.vb-price__now strong {
  font-size: 46px;
  font-weight: 900;
  color: #fff;
  letter-spacing: -0.02em;
}
.vb-price__now strong small {
  font-size: 20px;
  font-weight: 600;
  margin-left: 2px;
}

.vb-hero__meta {
  display: flex;
  justify-content: center;
  gap: 24px;
  margin-top: 36px;
  flex-wrap: wrap;
}
.vb-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 80px;
}
.vb-hero__meta span {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--하늘-400);
  text-transform: uppercase;
}
.vb-hero__meta strong {
  font-size: 18px;
  font-weight: 700;
  color: #fff;
}

.vb-scroll-cue {
  margin-top: 56px;
  font-size: 16px;
  color: rgba(255,255,255,0.6);
  animation: vb-bounce 2s ease-in-out infinite;
}
@keyframes vb-bounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(8px); }
}

/* ============================================
   공유 — ③ ④ 본문 컴포넌트 (외피는 .vb-section + .vb-container 재사용)
   ============================================ */
.vb-doc__body {
  text-align: center;
  font-size: 17px;
  line-height: 1.8;
  color: var(--검정-700, #4A7FB5);
  max-width: 600px;
  margin: 0 auto 36px;
}
.vb-doc__statement {
  text-align: center;
  font-size: 17px;
  font-weight: 500;
  color: var(--남색);
  line-height: 1.7;
  margin-bottom: 36px;
}
.vb-doc__statement--lg {
  font-size: 20px;
  line-height: 1.6;
  margin-bottom: 32px;
}
.vb-doc__statement em {
  font-style: normal;
  color: var(--분홍-500);
}
.vb-doc__bridge {
  text-align: center;
  font-size: 16px;
  line-height: 1.7;
  color: var(--검정-700, #4A7FB5);
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid var(--베이지-300);
}
.vb-doc__compare {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  max-width: 600px;
  margin: 0 auto 36px;
}
.vb-doc__compare-card {
  background: #fff;
  border: 1px solid var(--베이지-300);
  border-radius: 0 var(--둥글기-대) var(--둥글기-대) 0;
  padding: 24px;
}
.vb-doc__compare-card--fail { border-left: 3px solid var(--실패); }
.vb-doc__compare-card--success { border-left: 3px solid var(--성공); }
.vb-doc__compare-title {
  font-size: 17px;
  font-weight: 500;
  margin-bottom: 12px;
}
.vb-doc__compare-card--fail .vb-doc__compare-title { color: var(--실패); }
.vb-doc__compare-card--success .vb-doc__compare-title { color: var(--성공); }
.vb-doc__compare-body {
  font-size: 15px;
  line-height: 1.7;
  color: var(--검정-700, #4A7FB5);
}
@media (max-width: 480px) {
  .vb-doc__compare { grid-template-columns: 1fr; gap: 12px; }
}

/* ============================================
   ③ 왜 2옥타브 솔인가요?
   ============================================ */
.vb-why2oct {
  background: var(--베이지-50);
}

/* ============================================
   ④ THE FORMULA — 발성의 원리
   ============================================ */
.vb-principle {
  background: var(--베이지-100);
}
.vb-principle__diagram {
  max-width: 320px;
  margin: 0 auto 32px;
  aspect-ratio: 1 / 1;
  background: var(--베이지-50);
  border: 1px solid var(--베이지-300);
  border-radius: var(--둥글기-대);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vb-principle__diagram-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--검정-700, #4A7FB5);
  text-align: center;
}
@media (max-width: 768px) {
  .vb-principle__diagram { max-width: 100%; }
}

/* ============================================
   ② 페이지 목적 + 숫자 증거
   ============================================ */
.vb-purpose {
  background: var(--베이지-100);
  padding-top: 72px;
  padding-bottom: 88px;
}
.vb-purpose .vb-sec-label { margin-bottom: 6px; }
.vb-purpose__sub {
  text-align: center;
  font-size: 15px;
  color: var(--검정-700, #4A7FB5);
  margin-bottom: 8px;
}
.vb-purpose__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin: 0 auto 48px;
}
.vb-purpose__card { text-align: center; }
.vb-purpose__stat-label {
  font-size: 17px;
  color: var(--남색);
  margin-bottom: 4px;
}
.vb-purpose__stat-num {
  font-size: 38px;
  font-weight: 700;
  color: var(--분홍-500);
  margin-bottom: 16px;
}
.vb-purpose__gif {
  width: 100%;
  aspect-ratio: 16/10;
  background: var(--베이지-200);
  border-radius: var(--둥글기-대);
  overflow: hidden;
  border: 1px solid var(--베이지-300);
}
.vb-purpose__gif img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vb-purpose__closing {
  text-align: center;
  font-size: 20px;
  font-weight: 500;
  color: var(--남색);
  line-height: 1.6;
}
@media (max-width: 768px) {
  .vb-purpose__grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 480px) {
  .vb-purpose__stat-num { font-size: 30px; }
}

/* ============================================
   ⑤ CURRICULUM
   ============================================ */
.vb-curriculum {
  background: var(--베이지-50);
}
.vb-curriculum__list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  max-width: 860px;
  margin: 0 auto;
}
.vb-curriculum__card {
  background: #fff;
  border: 1px solid var(--베이지-300);
  border-radius: var(--둥글기-대);
  overflow: hidden;
}
.vb-curriculum__thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--베이지-200);
  display: flex;
  align-items: center;
  justify-content: center;
}
.vb-curriculum__thumb-placeholder {
  font-size: 15px;
  color: var(--베이지-400);
}
.vb-curriculum__video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vb-curriculum__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--보라-100);
  border: 1px solid var(--보라-400);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--보라-700);
}
.vb-curriculum__body {
  padding: 20px;
}
.vb-curriculum__title {
  font-size: 21px;
  font-weight: 700;
  color: var(--남색);
  margin-bottom: 10px;
  line-height: 1.4;
  letter-spacing: -0.02em;
}
.vb-curriculum__desc {
  font-size: 17px;
  line-height: 1.7;
  color: var(--검정-700, #4A7FB5);
}
.vb-curriculum__result {
  margin-top: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--검정-500);
}
/* 커리큘럼 카드 안의 후기 — .vb-review-card 마크업 재사용하되 외피(배경·보더·둥글기·padding) 무력화.
   .vb-review-card 정의가 vocal-bible.css 후반(line 445)이라 단순 .vb-curriculum__review로는 override 불가능 →
   .vb-review-card.vb-curriculum__review 복합 selector(specificity 0,2,0)로 안전하게 외피 풀어버림. */
.vb-review-card.vb-curriculum__review {
  margin-top: 14px;
  background: transparent;
  border: 0;
  border-radius: 0;
  padding: 0;
}
.vb-curriculum__review .vb-review-card__head { margin-bottom: 8px; }
.vb-curriculum__review .vb-review-card__avatar { width: 32px; height: 32px; font-size: 13px; }
.vb-curriculum__review .vb-review-card__name { font-size: 14px; }
.vb-curriculum__review .vb-review-card__stars { font-size: 13px; }
.vb-curriculum__review .vb-review-card__body { font-size: 15px; line-height: 1.7; }
@media (max-width: 480px) {
  .vb-curriculum__body { padding: 16px; }
  .vb-review-card.vb-curriculum__review { margin-top: 12px; }
}

/* ============================================
   ②-2 증거 — REAL REVIEWS (디자인시스템 외피 재사용)
   ============================================ */
.vb-reviews {
  background: var(--베이지-50);
}
.vb-reviews .vb-sec-title { margin-bottom: 8px; }
.vb-reviews__guide {
  text-align: center;
  padding: 24px 16px;
  margin-bottom: 32px;
}
.vb-reviews__guide p {
  font-size: 17px;
  line-height: 1.8;
  color: var(--검정-700, #4A7FB5);
}
.vb-reviews__guide strong {
  font-weight: 500;
  color: var(--남색);
}
.vb-reviews__list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 860px;
  margin: 0 auto 24px;
}
.vb-reviews__list--normal {
  margin-top: 0;
}
.vb-reviews__divider {
  max-width: 860px;
  margin: 6px auto 14px;
  padding-top: 18px;
  border-top: 0.5px solid var(--베이지-300);
  font-size: 13px;
  font-weight: 600;
  color: var(--검정-400);
}

/* 카드 */
.vb-review-card {
  background: #fff;
  border: 0.5px solid var(--베이지-300);
  border-radius: var(--둥글기-대);
  padding: 20px;
}
.vb-review-card.vb-review--hidden { display: none; }

.vb-review-card__head {
  display: grid;
  grid-template-columns: auto auto 1fr;
  column-gap: 10px;
  row-gap: 2px;
  align-items: center;
  margin-bottom: 14px;
}
.vb-review-card__avatar {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--베이지-200, #E0ECFF);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  font-weight: 500;
  color: var(--검정-500, #5BA4CF);
  flex-shrink: 0;
  grid-row: 1 / 3;
  grid-column: 1;
  align-self: center;
}
.vb-review-card__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--남색);
  grid-column: 2 / 4;
  grid-row: 1;
  align-self: end;
  line-height: 1.2;
}
.vb-review-card__stars {
  font-size: 14px;
  color: var(--경고, #EF9F27);
  letter-spacing: 1px;
  grid-column: 2;
  grid-row: 2;
  align-self: start;
  line-height: 1.2;
}
.vb-review-card__date {
  font-size: 13px;
  color: var(--베이지-400, #8BBDD9);
  grid-column: 3;
  grid-row: 2;
  align-self: center;
  justify-self: start;
  margin-left: 6px;
}
.vb-review-card__body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--검정-700, #4A7FB5);
}
.vb-review-card__body strong {
  color: var(--검정);
  font-weight: 700;
}
.vb-review__accent {
  color: var(--하늘-600);
  font-weight: 700;
}
.vb-review__hl {
  color: var(--분홍-600);
  font-weight: 700;
  background: rgba(255, 214, 230, 0.72);
  border-radius: 3px;
  padding: 0 0.12em;
}

/* 더보기 */
.vb-reviews__more {
  display: block;
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  padding: 14px;
  text-align: center;
  font-size: 16px;
  font-weight: 500;
  color: var(--검정-500, #5BA4CF);
  background: var(--베이지-100);
  border: 0.5px solid var(--베이지-300);
  border-radius: var(--둥글기-중);
  cursor: pointer;
  transition: background 0.15s;
  font-family: inherit;
}
.vb-reviews__more:hover { background: var(--베이지-200); }

.vb-reviews__count {
  text-align: center;
  font-size: 14px;
  color: var(--베이지-400, #8BBDD9);
  margin-top: 8px;
}

@media (max-width: 480px) {
  .vb-reviews { padding: 48px 16px; }
  .vb-review-card { padding: 16px; }
}

/* ============================================
   ⑥ 클로징 + 가격 (디자인시스템 재사용: vb-doc__body, vb-doc__statement)
   ============================================ */
.vb-closing {
  background: var(--베이지-100);
}
.vb-closing .vb-doc__body strong {
  font-weight: 500;
  color: var(--남색);
}
.vb-closing__quote {
  color: var(--베이지-400, #8BBDD9);
  font-style: italic;
}

/* 일러스트 */
.vb-closing__illust {
  width: 120px;
  height: 120px;
  margin: 0 auto 40px;
  border-radius: 50%;
  background: var(--베이지-200);
  border: 1px solid var(--베이지-300);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 34px;
  overflow: hidden;
}
.vb-closing__illust img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 가격 그리드 */
/* ============================================
   결제 카드 v2 — 조용한 위계, CTA만 주연
   ============================================ */
.vb-pricing {
  background: #fff;
  border: 1px solid var(--베이지-300);
  border-radius: 16px;
  padding: 32px 24px 24px;
  box-shadow: 0 4px 20px rgba(44, 74, 110, 0.06);
  position: relative;
  max-width: 460px;
  margin: 0 auto;
}

.vb-pricing__badge-row { text-align: center; }
.vb-pricing__badge {
  display: inline-block;
  background: var(--분홍-100);
  color: var(--분홍-600);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 5px 12px;
  border-radius: 999px;
  margin-bottom: 16px;
}

.vb-pricing__plan {
  text-align: center;
  font-size: 15px;
  color: var(--검정-700);
  font-weight: 500;
  margin-bottom: 14px;
}

.vb-pricing__price-line {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 8px;
}
.vb-pricing__price-original {
  font-size: 16px;
  color: var(--베이지-400);
  text-decoration: line-through;
  font-weight: 400;
}
.vb-pricing__discount-badge {
  color: var(--분홍-600);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.vb-pricing__price-final {
  text-align: center;
  font-size: 42px;
  font-weight: 800;
  color: var(--검정-800);
  letter-spacing: -0.04em;
  line-height: 1.1;
}
/* 월 단위 분할 가격 — utaite의 .ut-price-monthly와 동일한 15px/weight 400.
   color는 .vb-pricing__price-final(메인 가격)과 같은 --검정-800로 통일. */
.vb-pricing__monthly {
  display: block;
  text-align: center;
  font-size: 15px;
  font-weight: 400;
  color: var(--검정-800);
  margin-top: 8px;
  margin-bottom: 0;
  letter-spacing: 0;
}

.vb-pricing__timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  background: var(--분홍-100);
  color: var(--분홍-600);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
  width: fit-content;
  margin: 14px auto 4px;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}
.vb-pricing__timer-icon { width: 14px; height: 14px; flex-shrink: 0; }
.vb-pricing__timer-label {
  text-align: center;
  font-size: 14px;
  color: var(--베이지-400);
  margin-bottom: 24px;
}

.vb-pricing__divider {
  border: 0;
  border-top: 1px solid var(--베이지-200);
  margin: 24px 0 20px;
}
.vb-pricing__benefits {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 24px;
}
.vb-pricing__benefit {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 16.5px;
  color: var(--검정-800);
  font-weight: 500;
}
.vb-pricing__check {
  width: 16px;
  height: 16px;
  color: var(--분홍-500);
  flex-shrink: 0;
}

/* CTA — 유일한 주연 */
.vb-pricing__cta {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  background: var(--분홍-500);
  color: #fff;
  border: 0;
  padding: 16px 24px;
  border-radius: 12px;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: background 0.2s var(--전환곡선, cubic-bezier(0.4,0,0.2,1)),
              transform 0.2s var(--전환곡선, cubic-bezier(0.4,0,0.2,1));
}
.vb-pricing__cta:hover {
  background: var(--보라-700);
  transform: translateY(-1px);
  color: #fff;
}
.vb-pricing__cta-arrow {
  font-size: 19px;
  line-height: 1;
  transition: transform 0.2s var(--전환곡선, cubic-bezier(0.4,0,0.2,1));
}
.vb-pricing__cta:hover .vb-pricing__cta-arrow {
  transform: translateX(3px);
}

.vb-pricing__footer {
  text-align: center;
  margin-top: 16px;
  font-size: 14px;
  color: var(--베이지-400);
  font-weight: 400;
}

.vb-pricing__expired {
  display: none;
  text-align: center;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 700;
  color: var(--분홍-600);
}

@media (max-width: 480px) {
  .vb-pricing { padding: 28px 20px 20px; }
  .vb-pricing__price-final { font-size: 36px; }
  .vb-pricing__cta { padding: 14px 20px; font-size: 17px; }
  .vb-closing { padding: 48px 16px; }
}

/* ============================================
   ⑦ FAQ (디자인시스템 외피 재사용)
   ============================================ */
.vb-faq { background: var(--베이지-50); padding-bottom: 120px; }
.vb-faq .vb-sec-title { margin-bottom: 32px; }

.vb-faq__list {
  list-style: none;
  max-width: 860px;
  margin: 0 auto;
}
.vb-faq__item {
  border-bottom: 0.5px solid var(--베이지-300);
}
.vb-faq__q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0;
  cursor: pointer;
  gap: 16px;
}
.vb-faq__q-text {
  font-size: 17px;
  font-weight: 500;
  color: var(--남색);
}
.vb-faq__toggle {
  width: 24px;
  height: 24px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vb-faq__toggle svg {
  width: 16px;
  height: 16px;
  transition: transform 0.2s;
}
.vb-faq__item.vb-faq--open .vb-faq__toggle svg {
  transform: rotate(45deg);
}

.vb-faq__a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.vb-faq__item.vb-faq--open .vb-faq__a {
  max-height: 600px;
}
.vb-faq__a-text {
  font-size: 16px;
  color: var(--검정-700, #4A7FB5);
  line-height: 1.8;
  padding-bottom: 20px;
}

/* 후기 인용 카드 */
.vb-faq__quote {
  background: var(--베이지-100);
  border-radius: var(--둥글기-중);
  padding: 14px 16px;
  margin-bottom: 20px;
}
.vb-faq__quote-text {
  font-size: 15px;
  color: var(--남색);
  line-height: 1.7;
}
.vb-faq__quote-author {
  font-size: 13px;
  color: var(--베이지-400, #8BBDD9);
  margin-top: 8px;
}

@media (max-width: 480px) {
  .vb-faq { padding: 48px 16px; }
  .vb-faq__q-text { font-size: 16px; }
}

/* ============================================
   ⑨ 전체 수강후기
   ============================================ */
.vb-all-reviews {
  background: var(--베이지-50);
}
.vb-all-reviews__inner {
  max-width: 860px; margin: 0 auto;
  padding: 64px 24px;
}
.vb-all-reviews__count {
  text-align: center;
  font-size: 15px;
  color: var(--검정-700, #4A7FB5);
  margin-bottom: 24px;
}
.vb-all-reviews__list {
  display: flex; flex-direction: column;
  gap: 10px; margin-bottom: 24px;
}

/* 카드 — 기존 vb-review-card 재사용, ⑨ 전용은 padding만 다름 */
.vb-all-reviews .vb-review-card {
  padding: 16px;
}
.vb-all-reviews .vb-review-card__head {
  margin-bottom: 10px;
}
.vb-all-reviews .vb-review-card__avatar {
  width: 34px; height: 34px; font-size: 14px;
}
.vb-all-reviews .vb-review-card__name { font-size: 15px; }
.vb-all-reviews .vb-review-card__stars { font-size: 13px; }
.vb-all-reviews .vb-review-card__body {
  font-size: 15px; line-height: 1.7;
}

/* 페이지네이션 — 자식이 36px 고정(shrink 0)이라 부모 폭 초과 시 줄바꿈으로 넘어감 */
.vb-pagination {
  display: flex; align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 4px; margin-bottom: 32px;
  max-width: 100%;
}
.vb-page-btn {
  flex: 0 0 36px;
  width: 36px; height: 36px;
  aspect-ratio: 1 / 1;
  padding: 0; box-sizing: border-box;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: 50%; border: none;
  background: transparent;
  color: var(--남색); font-size: 15px;
  font-weight: 500; cursor: pointer;
  font-family: inherit;
  line-height: 1;
  transition: background 0.15s var(--전환곡선);
}
.vb-page-btn:hover { background: var(--베이지-100); }
.vb-page-btn.active {
  background: var(--분홍-500); color: #fff;
}
.vb-page-btn.arrow {
  font-size: 16px; color: var(--검정-700, #4A7FB5);
}
.vb-page-btn.arrow:hover { background: var(--베이지-100); }
.vb-page-btn:disabled { opacity: 0.3; cursor: default; }
.vb-page-dots {
  font-size: 15px; color: var(--베이지-400);
  padding: 0 4px;
}

/* CTA */
.vb-all-reviews__cta-wrap { text-align: center; }
.vb-all-reviews__cta {
  display: inline-block;
  max-width: 360px; width: 100%;
  padding: 14px; text-align: center;
  font-size: 17px; font-weight: 500;
  color: #fff; background: var(--분홍-500);
  border-radius: var(--둥글기-중);
  border: none; cursor: pointer;
  font-family: inherit; text-decoration: none;
  transition: background 0.15s var(--전환곡선);
}
.vb-all-reviews__cta:hover { background: var(--보라-700); }

/* 모바일 가로폭을 vb-faq와 통일 — .vb-section 외피 padding(600분기 72/18)과
   .vb-all-reviews__inner padding(64/24)이 이중으로 들어가서 좁아 보이던 문제 해소.
   외피 padding을 0으로 무력화하고 안쪽이 단일 책임. specificity 0,2,0으로
   .vb-section .vb-faq 등 다른 600분기 규칙을 안전하게 override. */
@media (max-width: 768px) {
  .vb-section.vb-all-reviews { padding: 0; }
  .vb-all-reviews__inner { padding: 72px 18px; }
}
@media (max-width: 480px) {
  .vb-section.vb-all-reviews { padding: 0; }
  .vb-all-reviews__inner { padding: 48px 16px; }
  .vb-all-reviews .vb-review-card { padding: 14px; }
  .vb-page-btn { flex: 0 0 30px; width: 30px; height: 30px; font-size: 13px; }
  .vb-pagination { gap: 2px; }
}

/* ============================================
   스티키 CTA 바
   ============================================ */
.vb-sticky {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 99;
  background: #fff;
  border-top: 0.5px solid var(--베이지-300);
  padding: 12px 24px;
  transform: translateY(100%);
  transition: transform 0.3s var(--전환곡선);
}
.vb-sticky--show { transform: translateY(0); }

.vb-sticky__inner {
  max-width: 860px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.vb-sticky__timer {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
  min-width: 0;
}
.vb-sticky__time {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  flex-shrink: 0;
}
.vb-sticky__num {
  font-size: 16px;
  font-weight: 700;
  color: var(--남색);
  min-width: 18px;
  text-align: center;
}
.vb-sticky__sep {
  font-size: 16px;
  font-weight: 700;
  color: var(--베이지-400);
}
.vb-sticky__label {
  font-size: 14px;
  color: var(--검정-700, #4A7FB5);
  margin-left: 8px;
}
.vb-sticky__pct {
  font-size: 17px;
  font-weight: 700;
  color: var(--분홍-500);
}

.vb-sticky__btn {
  flex-shrink: 0;
  padding: 10px 24px;
  font-size: 16px;
  font-weight: 500;
  border-radius: var(--둥글기-중);
  background: var(--분홍-500);
  color: #fff;
  transition: background 0.15s;
}
.vb-sticky__btn:hover {
  background: var(--보라-700);
}

/* 만료 상태 */
.vb-sticky--expired .vb-sticky__timer { display: none; }
.vb-sticky--expired .vb-sticky__btn {
  background: #fff;
  color: var(--남색);
  border: 1px solid var(--베이지-300);
}
.vb-sticky--expired .vb-sticky__btn:hover {
  background: var(--베이지-100);
}

/* 평가격 모드(vb-sticky--plain) — 할인 없을 때: 카운트다운 대신 짧은 메시지 한 줄 */
.vb-sticky__msg {
  flex: 1 1 auto;
  min-width: 0;
  font-size: 14px;
  color: var(--검정-700);
  line-height: 1.4;
  word-break: keep-all;
}
.vb-sticky__msg strong {
  color: var(--남색);
  font-weight: 700;
}

@media (max-width: 480px) {
  .vb-sticky { padding: 10px 16px; }
  .vb-sticky__inner { gap: 10px; }
  .vb-sticky__timer {
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    flex: 1 1 auto;
    min-width: 0;
  }
  .vb-sticky__num { font-size: 14px; }
  .vb-sticky__sep { font-size: 14px; }
  .vb-sticky__label { font-size: 13px; margin-left: 0; }
  .vb-sticky__btn { padding: 10px 14px; font-size: 14px; white-space: nowrap; }
  .vb-sticky__msg { font-size: 13px; }
}

/* ============================================
   반응형
   ============================================ */
@media (max-width: 600px) {
  .vb-section { padding: 72px 18px; }
  .vb-hero { padding: 100px 18px 60px; }
}

/* ============================================
   ① 히어로 v3 — Light Sky + Instructor Face
   출처: /온라인 작업지시서/발성의정석/발성1단_히어로.md
   ============================================ */
.vb-hero {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 96px 24px 80px;
  background: linear-gradient(180deg, var(--하늘-100) 0%, var(--베이지-50) 100%);
  overflow: visible;
}
.vb-hero__bg {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 50% 30%, rgba(189, 224, 254, 0.45), transparent 65%);
  pointer-events: none;
}
.vb-hero__inner {
  position: relative;
  text-align: center;
  max-width: 680px;
}
.vb-hero__kicker {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--하늘-600);
  background: #fff;
  border: 1px solid var(--하늘-400);
  border-radius: 999px;
  padding: 6px 14px;
  margin-bottom: 28px;
  font-weight: 600;
}
.vb-hero__title {
  font-size: clamp(36px, 6.5vw, 58px);
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.25;
  margin-bottom: 28px;
  color: var(--검정-800);
}
.vb-hero__title .vb-hero__mark {
  color: var(--분홍-500);
  font-weight: inherit;
  position: relative;
  display: inline-block;
  background-image: linear-gradient(180deg, transparent 0 70%, var(--분홍-100) 70% 94%, transparent 94%);
  background-repeat: no-repeat;
  padding: 0 2px;
}
.vb-hero__instructor {
  margin: 0 0 28px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.vb-hero__face {
  width: 96px;
  height: 96px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--베이지-200);
  border: 3px solid #fff;
  box-shadow: 0 4px 16px rgba(44, 74, 110, 0.12);
  margin-left: auto;
  margin-right: auto;
}
.vb-hero__face img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vb-hero__instructor-caption {
  font-size: 15px;
  color: var(--검정-700);
  font-weight: 500;
  line-height: 1.5;
}
.vb-hero__instructor-caption strong {
  font-weight: 700;
  color: var(--검정-800);
}
.vb-hero__desc {
  font-size: clamp(17px, 2.2vw, 19px);
  color: var(--검정-700);
  margin-bottom: 6px;
  line-height: 1.7;
  font-weight: 500;
}
.vb-hero__brand {
  font-size: 15px;
  color: var(--검정-500);
  margin-bottom: 36px;
  letter-spacing: 0.16em;
  font-weight: 600;
  text-transform: uppercase;
}
.vb-hero__cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--분홍-500);
  color: #fff;
  padding: 16px 30px;
  border-radius: 999px;
  font-size: 18px;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s var(--전환곡선), background 0.2s var(--전환곡선), box-shadow 0.2s var(--전환곡선);
  box-shadow: 0 4px 14px rgba(232, 93, 138, 0.25);
}
.vb-hero__cta:hover {
  background: var(--보라-700);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(232, 93, 138, 0.35);
}
.vb-hero__cta__arrow {
  font-size: 20px;
  line-height: 1;
  transition: transform 0.2s var(--전환곡선);
}
.vb-hero__cta:hover .vb-hero__cta__arrow {
  transform: translateY(2px);
}
@media (max-width: 600px) {
  .vb-hero { padding: 100px 20px 72px; min-height: 88vh; }
  .vb-hero__title { font-size: 32px; line-height: 1.3; margin-bottom: 26px; }
  .vb-hero__face { width: 84px; height: 84px; }
  .vb-hero__brand { margin-bottom: 28px; }
  .vb-hero__cta { padding: 16px 28px; font-size: 17px; }
}

/* 삼각 균형 다이어그램 (호흡·성대접촉·압력)
   출처: /온라인 작업지시서/발성의정석/발성_삼각균형.md */
.vb-triangle {
  margin: 40px auto 0;
  max-width: 560px;
  padding: 0;
}
.vb-triangle svg {
  width: 100%;
  max-width: 560px;
  height: auto;
  display: block;
  margin: 0 auto;
}
@media (max-width: 600px) {
  .vb-triangle { margin-top: 28px; max-width: 400px; }
}

/* ============================================
   ② 누구를 위해 — Self-Recognition (List v2)
   출처: /온라인 작업지시서/발성의정석/발성2단_누구를위해.md
   ============================================ */
.vb-who {
  background: #fff;
  padding: 100px 24px;
}
.vb-who__container {
  max-width: 640px;
  margin: 0 auto;
}
.vb-who__head {
  text-align: center;
  margin-bottom: 56px;
}
.vb-who__label {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.2em;
  color: var(--분홍-500);
  font-weight: 700;
  margin-bottom: 16px;
}
.vb-who__title {
  font-size: clamp(28px, 4.6vw, 40px);
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.35;
  color: var(--검정-800);
}
.vb-who__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  margin-bottom: 48px;
  padding: 0;
}
.vb-who__item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 16px;
  padding: 24px 0;
  border-bottom: 1px solid var(--베이지-200);
  align-items: start;
}
.vb-who__item:last-child { border-bottom: 0; }
.vb-who__item:first-child { padding-top: 0; }
.vb-who__num {
  font-size: 16px;
  font-weight: 700;
  color: var(--분홍-500);
  line-height: 1.5;
  letter-spacing: 0.02em;
  padding-top: 2px;
}
.vb-who__item-body { min-width: 0; }
.vb-who__item-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--검정-800);
  line-height: 1.5;
  letter-spacing: -0.02em;
  margin: 0 0 6px;
}
.vb-who__item-title strong {
  color: var(--분홍-500);
  font-weight: 700;
}
.vb-who__item-desc {
  font-size: 16px;
  color: var(--검정-700);
  line-height: 1.65;
  font-weight: 400;
  margin: 0;
}
.vb-who__closing {
  text-align: center;
  font-size: clamp(17px, 2.2vw, 19px);
  color: var(--검정-700);
  line-height: 1.7;
  font-weight: 500;
  padding-top: 8px;
  margin: 0;
}
.vb-who__closing strong {
  color: var(--분홍-500);
  font-weight: 700;
}
@media (max-width: 640px) {
  .vb-who { padding: 72px 20px; }
  .vb-who__head { margin-bottom: 40px; }
  .vb-who__item {
    grid-template-columns: 28px 1fr;
    gap: 12px;
    padding: 20px 0;
  }
  .vb-who__num { font-size: 15px; }
  .vb-who__item-title { font-size: 18px; }
  .vb-who__item-desc { font-size: 15px; }
}

/* ============================================
   발성 카드 컴포넌트 — 제목/이미지/내용 (재사용)
   ============================================ */
.vb-card-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  max-width: 720px;
  margin: 40px auto 0;
}

.vb-card {
  background: #fff;
  border: 2px solid var(--베이지-200);
  border-radius: 18px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.2s var(--전환곡선, cubic-bezier(0.4,0,0.2,1)),
              box-shadow 0.2s var(--전환곡선, cubic-bezier(0.4,0,0.2,1));
}
.vb-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(44, 74, 110, 0.08);
}

.vb-card__head {
  padding: 22px 22px 18px;
  border-bottom: 2px solid var(--베이지-200);
}
.vb-card__label {
  display: inline-block;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--베이지-400);
  font-weight: 700;
  margin-bottom: 8px;
}
.vb-card__title {
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--검정-800);
  line-height: 1.4;
}

.vb-card__img {
  aspect-ratio: 512 / 576;
  background: var(--하늘-100);
  overflow: hidden;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}
.vb-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.vb-card__img--placeholder {
  background: linear-gradient(135deg, var(--하늘-100) 0%, var(--베이지-100) 100%);
}

.vb-card__body {
  padding: 22px;
  flex: 1;
  border-top: 2px solid var(--베이지-200);
}
.vb-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.vb-card__list li {
  font-size: 16px;
  color: var(--검정-700);
  line-height: 1.6;
  font-weight: 500;
  padding-left: 14px;
  position: relative;
}
.vb-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--베이지-400);
}

.vb-card--negative { border-color: var(--실패); }
.vb-card--negative .vb-card__head { border-bottom-color: var(--실패); }
.vb-card--negative .vb-card__body { border-top-color: var(--실패); }
.vb-card--negative .vb-card__label { color: var(--실패); }
.vb-card--negative .vb-card__list li::before { background: var(--실패); }

.vb-card--positive { border-color: var(--성공); }
.vb-card--positive .vb-card__head { border-bottom-color: var(--성공); }
.vb-card--positive .vb-card__body { border-top-color: var(--성공); }
.vb-card--positive .vb-card__label { color: var(--성공); }
.vb-card--positive .vb-card__list li::before { background: var(--성공); }

@media (max-width: 640px) {
  .vb-card-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .vb-card__title { font-size: 19px; }
  .vb-card__list li { font-size: 15px; }
}

/* ── V포개기 — 두 카드 fan (hover 시 정렬) ── */
.vb-card-fan {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: flex-start;
  max-width: 720px;
  margin: 40px auto 0;
  padding: 40px 20px 60px;
}
.vb-card-fan .vb-card {
  width: 320px;
  transition: transform 0.3s var(--전환곡선, cubic-bezier(0.4,0,0.2,1)),
              box-shadow 0.3s var(--전환곡선, cubic-bezier(0.4,0,0.2,1)),
              z-index 0s 0.15s;
  transform-origin: bottom center;
  /* 회전 시 보더 계단현상 제거 — GPU 레이어로 합성 + 모서리 smoothing */
  will-change: transform;
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  outline: 1px solid transparent;
  -webkit-transform-style: preserve-3d;
  transform-style: preserve-3d;
}
.vb-card-fan .vb-card--negative {
  transform: rotate(-6deg) translateZ(0);
  z-index: 1;
}
.vb-card-fan .vb-card--positive {
  transform: rotate(6deg) translateZ(0);
  margin-left: -32px;
  z-index: 2;
}
.vb-card-fan .vb-card:hover {
  transform: rotate(0deg) translateZ(0) translateY(-6px) scale(1.04);
  z-index: 10;
  box-shadow: 0 16px 36px rgba(44, 74, 110, 0.15);
  transition-delay: 0s;
}

@media (max-width: 720px) {
  .vb-card-fan {
    flex-direction: column;
    align-items: center;
    padding: 24px 20px;
    gap: 16px;
  }
  .vb-card-fan .vb-card {
    width: 100%;
    max-width: none;
    transform: none !important;
    margin-left: 0 !important;
  }
  .vb-card-fan .vb-card:hover {
    transform: translateY(-3px) !important;
  }
}