/* ---- Header (라이트 화이트 테마) ---- */
.qs-page-body .site-header {
  background: color-mix(in srgb, var(--bg) 78%, transparent) !important;
  border-color: var(--line) !important;
  backdrop-filter: blur(14px) !important;
}
.qs-page-body .brand,
.qs-page-body .gnb a { color: var(--text); }
.qs-page-body .brand-sub { color: var(--dim); }
.qs-page-body .menu-toggle {
  border-color: var(--line);
  background: var(--glass);
  color: var(--text);
}

@media (max-width: 860px) {
  .qs-page-body .menu-toggle + .gnb {
    background: var(--glass-strong) !important;
    border-color: var(--line) !important;
    box-shadow: none !important;
  }
  .qs-page-body .menu-toggle + .gnb a,
  .qs-page-body .menu-toggle + .gnb .gnb-archive { color: var(--text) !important; }
  .qs-page-body .menu-toggle + .gnb .gnb-aboutme { color: #fff !important; }
  .qs-page-body .gnb-divider { background: var(--line); }
}

/* =========================
   PAPERLOGY FONT
========================= */
@font-face { font-family: 'Paperlogy'; src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-3Light.woff2') format('woff2'); font-weight: 300; font-display: swap; }
@font-face { font-family: 'Paperlogy'; src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-4Regular.woff2') format('woff2'); font-weight: 400; font-display: swap; }
@font-face { font-family: 'Paperlogy'; src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-5Medium.woff2') format('woff2'); font-weight: 500; font-display: swap; }
@font-face { font-family: 'Paperlogy'; src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-6SemiBold.woff2') format('woff2'); font-weight: 600; font-display: swap; }
@font-face { font-family: 'Paperlogy'; src: url('https://cdn.jsdelivr.net/gh/projectnoonnu/2408-3@1.0/Paperlogy-7Bold.woff2') format('woff2'); font-weight: 700; font-display: swap; }

/* =========================
   DESIGN TOKENS  (Muted Brown 제외)
========================= */
.qs-page {
  --green:       #1a4d38;
  --green-hover: #113324;
  --sage:        #8fa89b;
  --bg:          #f4f6f4;
  --bg-alt:      #eef0ec;
  --bg-dark:     #121a14;
  --surface:     #ffffff;
  --line:        #d8ddd8;
  --text:        #1e221e;
  --muted:       #5c655c;
  --light:       #9ba39b;

  --font-sans: 'Paperlogy', Pretendard, -apple-system, sans-serif;
  --font-serif: 'Fraunces', Georgia, serif;

  --w: 1180px;
  --ease: cubic-bezier(.22,1,.36,1);

  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
}

/* =========================
   LAYOUT UTILITIES
========================= */
.qs-wrap {
  width: min(calc(100% - 48px), var(--w));
  margin: 0 auto;
}

.qs-section {
  padding: 120px 0;
}

.qs-section--alt {
  background: var(--bg-alt);
}

.qs-label {
  display: block;
  margin: 0 0 18px;
  color: var(--green);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.qs-h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(28px, 3.6vw, 55px);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.01em;
  word-break: keep-all;
}

/* 섹션 번호 인덱스 */
.qs-idx {
  display: block;
  font-family: var(--font-serif);
  font-size: 80px;
  font-weight: 300;
  line-height: 1;
  color: var(--line);
  margin-bottom: 8px;
  user-select: none;
}

.qs-idx--light { color: rgba(255,255,255,.15); }

/* =========================
   SECTION HEAD
========================= */
.qs-section-head {
  max-width: 840px;
  margin-bottom: 64px;
}

.qs-section-desc {
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.85;
  word-break: keep-all;
}

.qs-section-desc .material-symbols-rounded {
  font-size: 16px;
  vertical-align: middle;
  opacity: .6;
}

/* =========================
   REVEAL ANIMATION
========================= */
.qs-reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity .75s var(--ease), transform .75s var(--ease);
}

.qs-reveal.is-on {
  opacity: 1;
  transform: translateY(0);
}

/* hero fade (delay via --d CSS var) */
.qs-fade {
  opacity: 0;
  transform: translateY(20px);
  animation: qsFade .9s var(--ease) forwards;
  animation-delay: var(--d, 0s);
}

@keyframes qsFade {
  to { opacity: 1; transform: translateY(0); }
}

/* =========================
   DOT NAV
========================= */
.qs-dot-nav {
  position: fixed;
  right: 22px;
  top: 50%;
  z-index: 40;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.qs-dot-nav a {
  position: relative;
  display: block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(26,77,56,.2);
  transition: background .25s, transform .25s;
}

.qs-dot-nav a.is-active,
.qs-dot-nav a:hover {
  background: var(--green);
  transform: scale(1.6);
}

.qs-dot-nav span {
  position: absolute;
  right: 18px;
  top: 50%;
  transform: translate(6px,-50%);
  padding: 2px 0;
  color: var(--green);
  font-size: 9px;
  font-weight: 500;
  letter-spacing: .04em;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity .2s, transform .2s;
}

.qs-dot-nav a:hover span,
.qs-dot-nav a.is-active span {
  opacity: 1;
  transform: translate(0,-50%);
}

/* =========================
   HERO — 전체화면 영상 배경
========================= */
.qs-hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
  background: var(--bg-dark);
}

/* 영상 래퍼 */
.qs-hero__video-wrap {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.qs-hero__video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  display: block;
}

/* 영상 위 어두운 그라디언트 오버레이 */
.qs-hero__overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to top, rgba(12,22,15,.88) 0%, rgba(12,22,15,.4) 55%, rgba(12,22,15,.12) 100%),
    linear-gradient(to right, rgba(12,22,15,.3) 0%, transparent 60%);
}

/* 메인 카피 영역 */
.qs-hero__body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
  align-items: end;
  gap: 0 64px;
  padding: 0 clamp(24px, 6vw, 80px) 80px;
  max-width: 1320px;
  margin: 0 auto;
  width: 100%;
}

.qs-hero__tag {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 48px;
  color: rgba(255,255,255,.55);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.qs-hero__tag-sep {
  display: inline-block;
  width: 20px;
  height: 1px;
  background: rgba(255,255,255,.3);
}

.qs-hero__title {
  grid-column: 1 / -1;
  margin: 0 0 0;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,.12);
}

.qs-hero__title-en {
  display: block;
  font-family: var(--font-sans);
  font-size: clamp(44px, 6.5vw, 96px);
  font-weight: 700;
  line-height: .92;
  letter-spacing: -.03em;
  color: #fff;
}

.qs-hero__title-ko {
  display: block;
  margin-top: 16px;
  font-size: clamp(16px, 1.8vw, 24px);
  font-weight: 300;
  color: rgba(255,255,255,.6);
  letter-spacing: .04em;
}

.qs-hero__desc {
  margin: 32px 0 32px;
  color: rgba(255,255,255,.55);
  font-size: 14px;
  line-height: 1.9;
  word-break: keep-all;
}

.qs-hero__cta {
  grid-column: 1;
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-start;
}

.qs-hero__btn-down {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 4px;
  transition: background .25s;
}

.qs-hero__btn-down:hover { background: var(--green-hover); }
.qs-hero__btn-down .material-symbols-rounded { font-size: 17px; }

.qs-hero__btn-live {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 26px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.8);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .02em;
  border-radius: 4px;
  transition: border-color .25s, color .25s;
}

.qs-hero__btn-live:hover {
  border-color: rgba(255,255,255,.6);
  color: #fff;
}

.qs-hero__btn-live .material-symbols-rounded { font-size: 15px; }

.qs-hero__meta-line { display: none; }

/* 메타 정보 (우측 컬럼) */
.qs-hero__meta {
  grid-column: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px 32px;
  margin-top: 32px;
  padding-left: 40px;
  border-left: 1px solid rgba(255,255,255,.12);
  align-self: end;
}

.qs-hero__meta div {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.qs-hero__meta dt {
  font-size: 12px;
  font-weight: 400;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.28);
}

.qs-hero__meta dd {
  margin: 0;
  font-size: 15px;
  font-weight: 300;
  color: rgba(255,255,255,.55);
  line-height: 1.4;
}

/* 스크롤 힌트 (좌측 중앙) */
.qs-hero__scroll {
  position: absolute;
  z-index: 1;
  left: min(calc((100vw - var(--w)) / 2 + 0px), 24px);
  bottom: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  color: rgba(255,255,255,.3);
  font-size: 9px;
  letter-spacing: .18em;
  text-transform: uppercase;
}

.qs-hero__scroll-line {
  display: block;
  width: 1px;
  height: 48px;
  background: rgba(255,255,255,.2);
  animation: scrollLine 1.8s var(--ease) infinite;
  transform-origin: top;
}

@keyframes scrollLine {
  0%   { transform: scaleY(0); opacity: 0; }
  40%  { transform: scaleY(1); opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; transform-origin: bottom; }
}

/* =========================
   BRIEF
========================= */
.qs-brief__head {
  margin-bottom: 56px;
}

.qs-brief__h {
  margin: 0;
  font-family: var(--font-sans);
  font-size: clamp(40px, 6vw, 55px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--text);
}

/* 3단 본문 컬럼 */
.qs-brief__cols {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 72px;
  padding-bottom: 72px;
  border-bottom: 1px solid var(--line);
}

.qs-brief__col-label {
  margin: 0 0 12px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
}

.qs-brief__col p {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
  word-break: keep-all;
}

/* 트렌드 트랙 — 가로 슬라이더 */
.qs-brief__trend-ttl {
  margin: 0 0 20px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--green);
}

.qs-trend-track {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}

.qs-trend-item {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  transition: background .25s;
}

.qs-trend-item:last-child { border-right: 0; }

.qs-trend-item:hover { background: var(--bg-alt); }

.qs-trend-item em {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  font-size: clamp(15px, 1.6vw, 20px);
  font-weight: 400;
  font-style: normal;
  color: var(--green);
}

.qs-trend-item span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  word-break: keep-all;
}

/* =========================
   PROBLEM — 다크 배경, 좌측 스티키 이미지
========================= */
.qs-problem {
  display: grid;
  grid-template-columns: minmax(320px, .85fr) 1fr;
  min-height: 100vh;
  padding: 0;
  background: var(--bg-dark);
  color: #fff;
}

/* 좌측 이미지 패널 */
.qs-problem__img-col {
  position: relative;
  overflow: hidden;
}

.qs-problem__img-sticky {
  position: sticky;
  top: 0;
  height: 100vh;
  overflow: hidden;
}

.qs-problem__img-sticky img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  filter: brightness(.6) saturate(.7);
}

/* 우측 콘텐츠 패널 */
.qs-problem__content {
  padding: 100px 64px 100px 64px;
  display: flex;
  flex-direction: column;
  gap: 48px;
}

.qs-problem__head {
  margin-bottom: 8px;
}

.qs-problem__h {
  margin: 0 0 20px;
  font-family: var(--font-sans);
  font-size: clamp(28px, 3.5vw, 52px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -.01em;
  word-break: keep-all;
  color: #fff;
}

.qs-problem__head p {
  margin: 0;
  color: rgba(255,255,255,.5);
  font-size: 15px;
  line-height: 1.8;
  word-break: keep-all;
  max-width: 380px;
}

/* 문제 리스트 */
.qs-problem__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid rgba(255,255,255,.1);
}

.qs-problem__list li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 24px;
  padding: 19px 0;
  border-bottom: 1px solid rgba(255,255,255,.1);
  transition: background .25s;
}

.qs-problem__list li:hover {
  padding-left: 12px;
  transition: padding .3s var(--ease);
}

.qs-problem__num {
  font-family: var(--font-serif);
  font-size: 13px;
  font-weight: 400;
  color: rgba(255,255,255,.25);
  margin-top: 4px;
}

.qs-problem__list strong {
  display: block;
  margin-bottom: 10px;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
  line-height: 1.35;
  word-break: keep-all;
  color: rgba(255,255,255,.9);
}

.qs-problem__list p {
  margin: 0;
  color: rgba(255,255,255,.45);
  font-size: 14px;
  line-height: 1.75;
  word-break: keep-all;
}

/* =========================
   STRATEGY
========================= */
.qs-strategy {
  background: var(--bg);
}

.qs-strategy__head {
  margin-bottom: 64px;
}

.qs-strategy__h {
  margin: 0 0 8px;
  font-family: var(--font-sans);
  font-size: clamp(32px, 4.5vw, 55px);
  font-weight: 700;
  line-height: .95;
  letter-spacing: -.03em;
  color: var(--green);
}

.qs-strategy__sub {
  margin: 16px 0 0;
  font-size: clamp(16px, 2vw, 18px);
  font-weight: 300;
  color: var(--light);
  letter-spacing: .01em;
}

/* Before / After */
.qs-ba {
  display: grid;
  grid-template-columns: 1fr 56px 1fr;
  margin-bottom: 80px;
  border: 1px solid var(--line);
  border-radius: 12px;
  overflow: hidden;
}

.qs-ba__before {
  padding: 48px 44px;
  background: var(--surface);
}

.qs-ba__after {
  padding: 48px 44px;
  background: var(--green);
  color: #fff;
}

.qs-ba__tag {
  display: block;
  margin-bottom: 20px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--sage);
}

.qs-ba__after .qs-ba__tag {
  color: rgba(255,255,255,.45);
}

.qs-ba__copy {
  margin: 0 0 24px;
  font-size: clamp(18px, 2.2vw, 28px);
  font-weight: 500;
  line-height: 1.35;
  word-break: keep-all;
}

.qs-ba__issues,
.qs-ba__gains {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qs-ba__issues li,
.qs-ba__gains li {
  padding-left: 14px;
  position: relative;
  font-size: 13px;
  color: var(--muted);
  line-height: 1.5;
}

.qs-ba__gains li { color: rgba(255,255,255,.65); }

.qs-ba__issues li::before,
.qs-ba__gains li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 7px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--line);
}

.qs-ba__gains li::before { background: rgba(255,255,255,.3); }

.qs-ba__arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-alt);
  border-left: 1px solid var(--line);
  border-right: 1px solid var(--line);
  color: var(--sage);
}

.qs-ba__arrow .material-symbols-rounded { font-size: 22px; }

/* Brand Values — 5열 그리드 */
.qs-values {
  margin-bottom: 80px;
}

.qs-values__grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  border: 1px solid var(--line);
}

.qs-values__item {
  padding: 32px 24px;
  border-right: 1px solid var(--line);
  transition: background .25s;
}

.qs-values__item:last-child { border-right: 0; }
.qs-values__item:hover { background: var(--bg-alt); }

.qs-values__item em {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.8vw, 22px);
  font-weight: 400;
  font-style: normal;
  color: var(--green);
}

.qs-values__item span {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
  word-break: keep-all;
}

/* Brand Message — 풀 와이드 배너 */
.qs-message {
  position: relative;
  height: 480px;
  margin-bottom: 80px;
  border-radius: 16px;
  overflow: hidden;
}

.qs-message__img {
  position: absolute;
  inset: 0;
  margin: 0;
}

.qs-message__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transition: transform 1.2s var(--ease);
}

.qs-message:hover .qs-message__img img { transform: scale(1.04); }

.qs-message__img-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(12,22,15,.75) 0%, rgba(12,22,15,.2) 65%, transparent 100%);
}

.qs-message__copy {
  position: absolute;
  z-index: 1;
  left: 56px;
  top: 50%;
  transform: translateY(-50%);
  max-width: 440px;
}

.qs-message__copy .qs-label {
  color: rgba(255,255,255,.45);
}

.qs-message__title {
  margin: 0 0 16px;
  font-family: var(--font-serif);
  font-size: clamp(32px, 5vw, 68px);
  font-weight: 300;
  font-style: italic;
  line-height: 1.1;
  color: #fff;
}

.qs-message__copy p {
  margin: 0;
  color: rgba(255,255,255,.65);
  font-size: 15px;
  line-height: 1.8;
  word-break: keep-all;
}

/* Target Audience — 2컬럼 카드 */
.qs-target {
  margin-bottom: 0;
}

.qs-target__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.qs-target__card {
  padding: 36px 32px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface);
}

.qs-target__badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 4px 10px;
  background: rgba(26,77,56,.08);
  color: var(--green);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  border-radius: 3px;
}

.qs-target__badge--sec {
  background: rgba(143,168,155,.15);
  color: var(--sage);
}

.qs-target__card h4 {
  margin: 0 0 18px;
  font-size: clamp(16px, 1.8vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  word-break: keep-all;
}

.qs-target__card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.qs-target__card li {
  padding-left: 14px;
  position: relative;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.6;
}

.qs-target__card li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sage);
}

/* =========================
   PRODUCT
========================= */
.qs-routine {
  position: relative;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin: 0 0 32px;
  padding: 0;
  list-style: none;
}

.qs-routine::before {
  content: '';
  position: absolute;
  left: 0; right: 0;
  top: 22px;
  height: 1px;
  background: var(--line);
  transform: scaleX(var(--rp, 0));
  transform-origin: left;
  transition: transform 1.2s var(--ease);
}

.qs-routine li {
  position: relative;
  padding: 56px 22px 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  transition: box-shadow .3s;
}

.qs-routine li:hover {
  box-shadow: 0 8px 32px rgba(26,77,56,.08);
}

.qs-routine span {
  position: absolute;
  top: 16px;
  left: 22px;
  font-size: 11px;
  font-weight: 700;
  color: var(--sage);
  letter-spacing: .06em;
  text-transform: uppercase;
}

.qs-routine strong {
  display: block;
  margin-bottom: 10px;
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--green);
}

.qs-routine p {
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
  word-break: keep-all;
}

.qs-routine em {
  font-size: 12px;
  font-weight: 600;
  font-style: normal;
  color: var(--green);
  letter-spacing: .02em;
}

.qs-product__images {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
}

.qs-product__images figure {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  height: 340px;
  border: 1px solid var(--line);
}

.qs-product__images img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.qs-product__images figure:hover img { transform: scale(1.03); }

/* =========================
   VISUAL DIRECTION
========================= */
.qs-palette {
  margin-bottom: 72px;
}

.qs-palette ul {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.qs-palette li {
  min-height: 100px;
  padding: 14px;
  background: var(--c);
  color: var(--tc);
  border-radius: 8px;
  border: 1px solid rgba(0,0,0,.06);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  gap: 3px;
}

.qs-palette span {
  font-size: 11px;
  font-weight: 700;
  line-height: 1.3;
}

.qs-palette em {
  font-size: 10px;
  font-style: normal;
  opacity: .75;
}

.qs-visual__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 20px;
  align-items: start;
  margin-bottom: 64px;
}

.qs-visual__keywords { grid-column: 1; grid-row: 1; }

.qs-visual__keywords ul {
  margin: 16px 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.qs-visual__keywords li {
  padding: 8px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  background: var(--surface);
}

.qs-visual__note {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.75;
  word-break: keep-all;
}

.qs-visual__img {
  margin: 0;
  border-radius: 12px;
  overflow: hidden;
  height: 320px;
  border: 1px solid var(--line);
}

.qs-visual__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s var(--ease);
}

.qs-visual__img:hover img { transform: scale(1.03); }

.qs-ingredients ul {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
  list-style: none;
  flex-wrap: wrap;
}

.qs-ingredients li {
  width: 88px;
  height: 88px;
  border-radius: 50%;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--surface);
}

.qs-ingredients img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* =========================
   KEY SCREENS
========================= */
.qs-screens__main {
  margin: 0 0 24px;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.qs-screens__main img {
  display: block;
  width: 100%;
  height: auto;
}

.qs-screens__main figcaption {
  padding: 14px 18px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.7);
}

.qs-screens__sub {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-bottom: 48px;
}

.qs-screens__sub figure {
  margin: 0;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.qs-screens__sub img {
  display: block;
  width: 100%;
  height: 220px;
  object-fit: cover;
  transition: transform .8s var(--ease);
}

.qs-screens__sub figure:hover img { transform: scale(1.04); }

.qs-screens__sub figcaption {
  padding: 10px 14px;
  font-size: 12px;
  font-weight: 600;
  color: var(--green);
  border-top: 1px solid var(--line);
  background: rgba(255,255,255,.7);
}

.qs-reviews ul {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.qs-reviews li {
  border-radius: 8px;
  overflow: hidden;
  height: 200px;
  border: 1px solid var(--line);
}

.qs-reviews img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .8s var(--ease);
}

.qs-reviews li:hover img { transform: scale(1.06); }

/* =========================
   RETRO
========================= */
.qs-retro {
  background: var(--bg-dark);
  color: #fff;
}

.qs-retro .qs-label {
  color: rgba(255,255,255,.3);
}

.qs-retro .qs-h2 {
  color: #fff;
  margin-bottom: 24px;
}

.qs-retro__inner > p {
  margin: 0 0 16px;
  color: rgba(255,255,255,.55);
  font-size: 16px;
  line-height: 1.9;
  word-break: keep-all;
}

.qs-retro__outcomes {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  margin: 48px 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(255,255,255,.12);
}

.qs-retro__outcomes li {
  padding: 16px 0 16px 18px;
  border-bottom: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.65);
  font-size: 14px;
  position: relative;
  line-height: 1.5;
}

.qs-retro__outcomes li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--sage);
}

.qs-retro__links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.qs-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 14px 24px;
  background: var(--green);
  color: #fff;
  font-size: 14px;
  font-weight: 700;
  border-radius: 4px;
  transition: background .25s;
}

.qs-btn-primary:hover { background: var(--green-hover); }
.qs-btn-primary .material-symbols-rounded { font-size: 16px; }

.qs-btn-ghost {
  display: inline-flex;
  align-items: center;
  padding: 14px 24px;
  border: 1px solid rgba(255,255,255,.25);
  color: rgba(255,255,255,.75);
  font-size: 14px;
  font-weight: 600;
  border-radius: 4px;
  transition: border-color .25s, color .25s;
}

.qs-btn-ghost:hover {
  border-color: rgba(255,255,255,.6);
  color: #fff;
}

/* =========================
   RESPONSIVE 1199
========================= */
@media (max-width: 1199px) {
  .qs-dot-nav { display: none; }

  /* Brief */
  .qs-brief__cols {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .qs-trend-track {
    grid-template-columns: repeat(3, 1fr);
  }

  .qs-trend-item:nth-child(3) { border-right: 0; }
  .qs-trend-item:nth-child(4),
  .qs-trend-item:nth-child(5) {
    border-top: 1px solid var(--line);
  }
  .qs-trend-item:nth-child(5) { border-right: 0; }

  /* Problem */
  .qs-problem {
    grid-template-columns: 1fr;
  }

  .qs-problem__img-col { display: none; }

  .qs-problem__content {
    padding: 80px 40px;
    background: var(--bg-dark);
  }

  /* Strategy */
  .qs-ba {
    grid-template-columns: 1fr 48px 1fr;
  }

  .qs-values__grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .qs-values__item:nth-child(3) { border-right: 0; }
  .qs-values__item:nth-child(4),
  .qs-values__item:nth-child(5) {
    border-top: 1px solid var(--line);
  }
  .qs-values__item:nth-child(5) { border-right: 0; }

  /* Others */
  .qs-target__cards {
    grid-template-columns: 1fr;
  }

  .qs-routine,
  .qs-palette ul {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-visual__grid {
    grid-template-columns: 1fr 1fr;
  }

  .qs-visual__keywords { grid-column: 1 / -1; }

  .qs-screens__sub {
    grid-template-columns: repeat(2, 1fr);
  }

  .qs-reviews ul {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* =========================
   RESPONSIVE 767
========================= */
@media (max-width: 767px) {
  .qs-wrap {
    width: min(calc(100% - 32px), var(--w));
  }

  .qs-section { padding: 80px 0; }

  /* Hero */
  .qs-hero__body {
    grid-template-columns: 1fr;
    padding: 0 20px 60px;
    gap: 0;
  }

  .qs-hero__tag { margin-bottom: 32px; }

  .qs-hero__title {
    padding-bottom: 28px;
  }

  .qs-hero__title-en {
    font-size: clamp(36px, 12vw, 64px);
  }

  .qs-hero__desc { margin: 24px 0 24px; }

  .qs-hero__cta { grid-column: auto; }

  .qs-hero__meta {
    grid-column: auto;
    grid-template-columns: 1fr 1fr;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,.12);
    padding-left: 0;
    padding-top: 24px;
    margin-top: 24px;
    gap: 16px 24px;
  }

  .qs-hero__scroll { display: none; }

  /* Brief */
  .qs-trend-track {
    grid-template-columns: 1fr;
  }

  .qs-trend-item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .qs-trend-item:last-child { border-bottom: 0; }

  /* Problem */
  .qs-problem__content {
    padding: 60px 20px;
  }

  /* Strategy */
  .qs-ba {
    grid-template-columns: 1fr;
  }

  .qs-ba__arrow {
    padding: 14px;
    border: none;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    height: 48px;
  }

  .qs-values__grid {
    grid-template-columns: 1fr;
  }

  .qs-values__item {
    border-right: 0;
    border-bottom: 1px solid var(--line);
  }

  .qs-values__item:last-child { border-bottom: 0; }

  .qs-message {
    height: auto;
    min-height: 320px;
  }

  .qs-message__copy {
    left: 28px;
    right: 28px;
    max-width: none;
  }

  .qs-message__title { font-size: clamp(28px, 8vw, 48px); }

  /* Others */
  .qs-routine,
  .qs-product__images,
  .qs-palette ul,
  .qs-screens__sub,
  .qs-reviews ul {
    grid-template-columns: 1fr;
  }

  .qs-visual__grid {
    grid-template-columns: 1fr;
  }

  .qs-visual__img { height: 220px; }

  .qs-ingredients li {
    width: 68px;
    height: 68px;
  }

  .qs-retro__outcomes {
    grid-template-columns: 1fr;
  }

  .qs-retro__links {
    flex-direction: column;
  }

  .qs-btn-primary,
  .qs-btn-ghost {
    justify-content: center;
    text-align: center;
  }
}

/* =========================
   REDUCED MOTION
========================= */
@media (prefers-reduced-motion: reduce) {
  .qs-fade,
  .qs-reveal {
    animation: none;
    opacity: 1;
    transform: none;
    transition: none;
  }

  .qs-hero__scroll-line { animation: none; }

  .qs-message__img img,
  .qs-product__images img,
  .qs-visual__img img,
  .qs-screens__sub img,
  .qs-reviews img {
    transition: none;
  }
}