/* =========================================================
   나음(NAUM) 비데 렌탈 랜딩페이지
   색상은 아래 :root 에서 한 번에 바꿀 수 있어요.
   ========================================================= */
:root {
  --red: #EE2C3A;
  --red-dark: #d11f2c;
  --black: #0b0b0b;
  --ink: #111;
  --text: #333;
  --muted: #777;
  --line: #e2e2e2;
  --soft: #f4f3f0;
  --pink: #fde8e8;
  --gold: linear-gradient(90deg, #b8892c, #f1d27a 50%, #b8892c);
  --header-h: 81px;
  --container: 1440px; /* 콘텐츠 영역 1360px + 좌우 여백 40px */
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-h); }
body {
  margin: 0;
  font-family: "Pretendard", -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  color: var(--ink);
  background: #fff;
  line-height: 1.6;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, h3, h4, p, dl, dd, figure, blockquote { margin: 0; }
em { font-style: normal; color: var(--red); }
button { font: inherit; cursor: pointer; }

[class*="__grid"] > *, .conditions > *, .family > * { min-width: 0; }
main { overflow-x: clip; }
.container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 40px; }

/* ---------- 공통: 작은 영문 제목 + 금색 바 ---------- */
.eyebrow {
  color: var(--red);
  font-size: 20px;
  margin-bottom: 40px;
  position: relative;
}
.eyebrow::after {
  content: "";
  position: absolute; left: 0; bottom: -20px;
  width: 47px; height: 4px; border-radius: 2px;
  background: var(--gold);
}
.eyebrow--caps { font-size: 15px; letter-spacing: .01em; }

.title {
  font-size: 54px;
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.03em;
  color: var(--ink);
}
.title--white { color: #fff; }
.title--red { color: var(--red); }
.title--md { font-size: 40px; }
.lead { font-size: 22px; color: var(--ink); margin-top: 14px; }
.lead--left { color: #222; }

/* ---------- 버튼 ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 11px;
  height: 58px; padding: 0 43px;
  border-radius: 999px;
  font-size: 20px; font-weight: 700;
  transition: background .2s, transform .2s, border-color .2s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn--red { background: var(--red); color: #fff; }
.btn--red:hover { background: var(--red-dark); }
.btn--ghost { color: #fff; border: 2px solid rgba(255,255,255,.75); background: rgba(255,255,255,.08); }
.btn--ghost:hover { background: rgba(255,255,255,.18); border-color: #fff; }
.btn--sm { height: 43px; padding: 0 27px; font-size: 16px; font-weight: 500; }
.btn--lg { height: 72px; padding: 0 58px; font-size: 23px; }
.btn--xl { height: 68px; padding: 0 40px; font-size: 22px; font-weight: 600; }
.btn--xl img { width: 30px; height: auto; }

/* ===================== 헤더 ===================== */
.header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--header-h);
  background: #fff;
  transition: box-shadow .2s;
}
.header.is-scrolled { box-shadow: 0 2px 14px rgba(0,0,0,.08); }
.header__inner { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.header__logo img { height: 33px; width: auto; }
.header__nav { display: flex; align-items: center; gap: 45px; }
.header__nav > a:not(.btn) { font-size: 17px; font-weight: 500; color: #111; transition: color .2s; }
.header__nav > a:not(.btn):hover,
.header__nav > a.is-current { color: var(--red); }
.header__cta { margin-left: 14px; }
.header__toggle { display: none; }

/* ===================== 1. 히어로 ===================== */
.hero {
  margin-top: var(--header-h);
  min-height: 914px;
  isolation: isolate;
  overflow: hidden;
  background: #000;
  position: relative;
  display: flex; align-items: center;
}
.hero__video {
  position: absolute; inset: 0; z-index: -1;
  width: 100%; height: 100%;
  object-fit: cover; object-position: center;
}
.hero::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.65) 35%, rgba(0,0,0,0) 65%);
}
.hero__inner { position: relative; color: #fff; padding-top: 27px; padding-bottom: 108px; }
.hero__logo { height: 50px; width: auto; margin-bottom: 22px; }
.hero__title { font-size: 56px; font-weight: 600; line-height: 1.35; letter-spacing: -0.03em; }
.hero__title strong { color: var(--red); font-weight: 800; }
.hero__desc { font-size: 24px; line-height: 1.65; margin-top: 36px; color: #eee; }
.hero__btns { display: flex; gap: 34px; margin-top: 49px; }
.hero__note { margin-top: 22px; font-size: 20px; color: #ccc; padding-left: 14px; }

/* ===================== 2. 렌탈 안내 ===================== */
.rental {
  background:
    linear-gradient(180deg, rgba(0,0,0,.15) 0%, rgba(0,0,0,.45) 35%, rgba(0,0,0,.85) 70%, #000 90%),
    url("../img/naum/ksrs-naum-landing-2-web.jpg") center top / 100% auto no-repeat #000;
  color: #fff;
  padding: 126px 0 130px;
}
.rental .title { margin-top: 0; }
.rental__head { display: flex; justify-content: space-between; align-items: flex-end; gap: 22px; margin-top: 27px; padding-bottom: 36px; border-bottom: 2px solid rgba(255,255,255,.85); }
.rental__sub { font-size: 21px; color: #ddd; line-height: 1.55; }
.rental__ksrs { width: 171px; }
.benefits { display: grid; grid-template-columns: repeat(3, 1fr); }
.benefits li { padding: 36px 18px 36px 11px; border-right: 1px dashed rgba(255,255,255,.55); }
.benefits li + li { padding-left: 25px; }
.benefits li:last-child { border-right: 0; }
.benefits img { width: 36px; height: 36px; object-fit: contain; }
.benefits h3 { font-size: 31px; font-weight: 700; margin: 13px 0 16px; }
.benefits p { font-size: 20px; color: #ddd; line-height: 1.55; }
.callbar {
  margin-top: 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 18px;
  padding: 20px 34px 20px 47px;
  border: 1px solid rgba(255,255,255,.35);
  border-radius: 14px;
  background: rgba(255,255,255,.14);
}
.callbar p { font-size: 23px; font-weight: 500; }
.callbar strong { font-size: 31px; margin: 0 23px 0 13px; }
.callbar__tel { font-size: 32px; font-weight: 700; }
.callbar .btn { height: 68px; padding: 0 59px; font-size: 23px; }

/* ===================== 3. 렌탈 조건 ===================== */
.conditions { display: grid; grid-template-columns: min(648px, 40%) 1fr; background: #fff; padding-right: max(40px, calc(50% - 680px)); }
.conditions__photo img { width: 100%; height: 100%; object-fit: cover; }
.conditions__body { padding: 135px 0 153px 80px; }
.conditions__head { text-align: right; }
.conditions__head .eyebrow { font-size: 20px; }
.conditions__head .eyebrow::after { left: auto; right: 0; }
.plan {
  margin-top: 58px;
  display: grid;
  grid-template-columns: 1.25fr 1fr 1fr;
  grid-template-areas:
    "price term as"
    "price pay  fee"
    "incl  note note";
  border-top: 3px solid #111;
  border-bottom: 2px solid #ddd;
}
.plan > div { padding: 20px 18px; }
.plan__label { display: block; font-size: 17px; font-weight: 600; color: #555; }
.plan__price { grid-area: price; border-right: 2px solid #ddd; border-bottom: 2px solid #ddd; display: flex; flex-direction: column; justify-content: center; }
.plan__amount { font-size: 25px; }
.plan__amount strong { font-size: 61px; color: var(--red); font-weight: 700; letter-spacing: -0.02em; margin-right: 5px; }
.plan__cell { min-height: 128px; display: flex; flex-direction: column; justify-content: space-between; border-bottom: 2px solid #ddd; }
.plan__cell--term { grid-area: term; border-right: 2px solid #ddd; }
.plan__cell--as  { grid-area: as; }
.plan__cell--pay { grid-area: pay; border-right: 2px solid #ddd; }
.plan__cell--fee { grid-area: fee; }
.plan__value { text-align: right; font-size: 22px; }
.plan__value strong { font-size: 22px; font-weight: 700; white-space: nowrap; }
.plan__value .big { font-size: 52px; line-height: 1; margin: 0 2px; }
.plan__term { font-size: 22px; font-weight: 500; margin-top: 4px; }
.plan__term em { font-weight: 700; }
.plan__incl { grid-area: incl; background: var(--soft); border-right: 2px solid #ddd; }
.plan__notice { grid-area: note; background: var(--soft); }
.chips { display: grid; grid-template-columns: 1fr 1fr; gap: 9px; margin-top: 14px; }
.chips li { border: 1px solid #c9c9c9; background: #fff; border-radius: 999px; text-align: center; padding: 5px 4px; font-size: 16px; color: #444; }
.dots { margin-top: 11px; }
.dots li { position: relative; padding-left: 20px; font-size: 15px; color: #555; line-height: 2.1; }
.dots li::before { content: "·"; position: absolute; left: 4px; font-weight: 700; }
.dots--lg li { font-size: 21px; color: #222; line-height: 1.8; margin-bottom: 14px; }

/* ===================== 4. 신청 절차 ===================== */
.process { padding-bottom: 135px; background: #fff; }
.process__bg {
  background:
    linear-gradient(180deg, rgba(255,255,255,0) 40%, #fff 95%),
    url("../img/naum/ksrs-naum-landing-4.jpg") center top / cover no-repeat;
  padding-top: 207px;
}
.process__top { position: relative; padding-bottom: 18px; }
.process__ksrs { position: absolute; right: 36px; top: -150px; width: 225px; }
.lead--dark { font-weight: 500; color: #111; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 27px; margin-top: 54px; }
.steps li { position: relative; }
.steps li:not(:last-child)::after {
  content: ""; position: absolute; top: 51px; left: 117px; right: -13px;
  border-top: 2px dotted #c9c9c9;
}
.steps__icon { width: 103px; height: 103px; border-radius: 50%; border: 2px solid #ddd; background: #fff; display: flex; align-items: center; justify-content: center; margin-bottom: 27px; }
.steps__icon img { width: 45px; height: 45px; object-fit: contain; }
.steps__icon--red { background: var(--red); border-color: var(--red); }
.steps__no { color: var(--red); font-size: 17px; font-weight: 600; }
.steps h3 { font-size: 31px; font-weight: 600; margin: 2px 0 20px; }
.steps p { font-size: 19px; color: #555; line-height: 1.7; }
.notice-bar {
  margin-top: 63px;
  background: var(--pink);
  border-left: 5px solid var(--red);
  color: var(--red);
  font-size: 21px; font-weight: 500;
  padding: 14px 27px;
}

/* ===================== 5. 설치·A/S ===================== */
.service { padding: 117px 0 135px; }
.service__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 54px; align-items: stretch; }
.service__text { display: flex; flex-direction: column; }
.service__text .service__h:nth-of-type(2) { margin-top: 70px; }
.service .dots--lg { flex: 1; display: flex; flex-direction: column; justify-content: space-between; }
.service .dots--lg li { margin-bottom: 0; line-height: 1.5; }
.service__h { color: var(--red); font-size: 29px; font-weight: 700; margin: 45px 0 18px; }
.service__h + p { font-size: 24px; color: #222; line-height: 1.5; }
.service .dots--lg { margin-top: 26px; }
.table-title { font-size: 21px; font-weight: 700; margin: 27px 0 14px; }
.table-title:first-child { margin-top: 0; }
.table-wrap { border: 2px solid #ddd; border-radius: 14px; overflow: hidden; }
.ptable { width: 100%; border-collapse: collapse; font-size: 18px; }
.ptable th { background: var(--soft); font-weight: 600; color: #333; text-align: right; padding: 14px 18px; font-size: 17px; white-space: nowrap; }
.ptable th:first-child, .ptable td:first-child { text-align: left; }
.ptable td { border-top: 1px solid #ddd; padding: 13px 18px; text-align: right; color: #555; }
.ptable td b { display: block; color: #111; font-weight: 600; }
.ptable td small { display: block; font-size: 13px; color: #888; }
.ptable--2 td { padding: 16px 18px; }
.service .notice-bar { margin-top: 27px; }

/* ===================== 6. 제품 사양 ===================== */
.spec { padding: 108px 0 180px; }
.spec .title { font-size: 59px; }
.spec .lead { font-size: 23px; margin-top: 27px; }
.spec__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; align-items: center; margin-top: 45px; }
.spec__drawing { background: var(--red); border-radius: 18px; padding: 32px; }
.spec__drawing img { width: 100%; border-radius: 13px; }
.spec__table { display: grid; grid-template-columns: 1fr 1fr; border: 2px solid #ddd; border-radius: 18px; overflow: hidden; }
.spec__table div { padding: 14px 20px 13px; border-bottom: 2px solid #ddd; }
.spec__table div:nth-child(odd) { border-right: 2px solid #ddd; }
.spec__table div:nth-last-child(-n+2) { border-bottom: 0; }
.spec__table dt { font-size: 17px; color: #333; }
.spec__table dd { text-align: right; font-size: 23px; font-weight: 700; margin-top: 4px; }
.spec__note { text-align: right; color: #666; font-size: 17px; margin-top: 18px; }

/* ===================== 7. 매일 쓰는 것일수록 ===================== */
.elevated { padding: 0 0 234px; }
.elevated__grid { display: grid; grid-template-columns: 640px 1fr; gap: 80px; align-items: stretch; }
.elevated__photo { border: 6px solid #f3d36a; background: #f3d36a; }
.elevated__photo img { width: 100%; height: 100%; object-fit: cover; }
.elevated__text .title { font-size: 58px; margin-bottom: 45px; }
.elevated__text p:not(.eyebrow) { font-size: 24px; line-height: 1.6; color: #222; }
.elevated__text p + p:not(:first-of-type) { margin-top: 38px; }

/* ===================== 8. 대상별 케어 ===================== */
.care { padding-bottom: 198px; }
.care__top { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 18px; }
.care__top .eyebrow { margin-top: 27px; }
.care__tabs { display: flex; gap: 36px; }
.care__tabs button {
  width: 115px; height: 54px; border-radius: 999px;
  border: 2px solid var(--red); background: #fff; color: var(--red);
  font-size: 25px; font-weight: 600;
  transition: background .2s, color .2s;
}
.care__tabs button.is-active, .care__tabs button:hover { background: var(--red); color: #fff; }
.care__panel { position: relative; margin-top: 0; display: grid; grid-template-columns: 1fr 52%; column-gap: 48px; align-items: stretch; }
.care__text { position: relative; z-index: 2; padding-top: 27px; }
.care__text .title { font-size: 58px; margin-bottom: 54px; }
.care__text p { font-size: 24px; color: #111; line-height: 1.6; }
.care__text p + p { margin-top: 40px; }
.care__photo { position: relative; overflow: hidden; }
/* PC: 사진 높이 = 옆 글 높이 (위·아래 끝을 글과 맞춤) */
/* 휴대폰: 사진은 4:3 비율 */
@media (max-width: 960px) { .care__photo::after { content: ""; display: block; padding-top: 75%; } }
.care__photo img#careImg { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 68% center; }
.care__logo { position: absolute; z-index: 2; right: 40px; bottom: 40px; width: 240px; }

/* ===================== 9. 보울 구조 ===================== */
.bowl { padding-bottom: 126px; }
.bowl__grid { display: grid; grid-template-columns: 640px 1fr; gap: 50px; align-items: stretch; }
.bowl__photo img { width: 100%; height: 100%; object-fit: cover; }
.bowl__text .title { margin-bottom: 36px; line-height: 1.4; }
.bowl__text > p { font-size: 22px; line-height: 1.6; color: #111; }
.bowl__text > p + p { margin-top: 32px; }
.features { display: grid; grid-template-columns: repeat(3, 1fr); margin-top: 27px; max-width: 684px; }
.features li { text-align: center; padding: 23px 9px; font-size: 19px; line-height: 1.45; border-right: 1px dashed #999; }
.features li:nth-child(3n) { border-right: 0; }
.features li:nth-child(-n+3) { border-bottom: 1px dashed #999; }
.features img { width: auto; height: 34px; display: block; margin: 0 auto 12px; }

/* ===================== 10. 임상 결과 ===================== */
.clinical { background: #000; color: #fff; padding: 108px 0 81px; }
.clinical__grid { display: grid; grid-template-columns: 504px 1fr; gap: 90px; }
.clinical .title { font-size: 59px; }
.chart { margin-top: 81px; display: grid; grid-template-columns: 63px 1fr; grid-template-rows: 468px auto; }
.chart__axis { display: flex; flex-direction: column; justify-content: space-between; font-size: 25px; line-height: 1; padding-right: 13px; text-align: right; transform: translateY(-14px); height: calc(100% + 25px); }
.chart__plot { position: relative; border-left: 2px solid #fff; border-bottom: 2px solid #fff; display: flex; align-items: flex-end; justify-content: space-around; padding: 0 27px; }
.chart__bar { width: 162px; height: calc(var(--v) / 160 * 100%); position: relative; }
.chart__bar b { position: absolute; top: -56px; left: 0; right: 0; text-align: center; font-size: 32px; font-weight: 700; }
.chart__bar--before { background: #c4c4c4; }
.chart__bar--after { background: var(--red); }
.chart__bar--after b { color: var(--red); font-size: 41px; top: -66px; }
.chart__badge { position: absolute; top: -128px; left: -175px; background: #fff; color: var(--red); font-size: 23px; font-weight: 700; padding: 4px 16px; border-radius: 999px; white-space: nowrap; }
.chart__arrow { position: absolute; left: -118px; top: -64px; width: 108px; height: 72px; fill: var(--red); }
.chart__labels { grid-column: 2; display: flex; justify-content: space-around; font-size: 27px; padding: 13px 27px 0; }
.chart__labels span { width: 162px; text-align: center; }

.bignum { display: flex; justify-content: space-between; align-items: center; gap: 18px; border-bottom: 2px solid #fff; padding-bottom: 18px; margin-top: 54px; }
.bignum__t { font-size: 29px; white-space: nowrap; font-weight: 600; line-height: 1.4; }
.bignum__t em { font-weight: 700; }
.bignum__s { font-size: 18px; color: #ccc; margin-top: 5px; }
.bignum__n { font-size: 136px; font-weight: 500; line-height: 1; letter-spacing: -0.02em; }
.bignum__n small { color: var(--red); font-size: 54px; font-weight: 700; }
.nk__h { font-size: 29px; font-weight: 600; margin-top: 40px; }
.nk__p { font-size: 19px; color: #ddd; margin-top: 4px; }
.nk__img { width: 100%; margin-top: 27px; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; margin-top: 18px; }
.stats li { background: #fff; color: #111; border-radius: 14px; text-align: center; padding: 16px 9px; }
.stats b { display: block; color: var(--red); font-size: 41px; font-weight: 700; line-height: 1.2; }
.stats span { display: block; font-size: 15px; font-weight: 600; line-height: 1.5; margin-top: 4px; }

.why { display: grid; grid-template-columns: 504px 1fr; gap: 90px; align-items: stretch; margin-top: 135px; }
.why__title { font-size: 59px; line-height: 1.5; margin: -0.25em 0; }
.quote { background: #fff; color: #111; border-radius: 20px; padding: 30px 45px 26px 82px; position: relative; margin-top: 0; display: flex; flex-direction: column; justify-content: center; }
.quote::before { content: "“"; position: absolute; left: 34px; top: 18px; font-size: 81px; color: var(--red); font-family: Georgia, serif; line-height: 1; }
.quote p { font-size: 29px; font-weight: 600; line-height: 1.45; }
.quote em { font-weight: 700; }
.quote cite { display: block; font-style: normal; font-size: 16px; color: #777; margin-top: 16px; line-height: 1.5; }
.why__desc { font-size: 22px; line-height: 1.6; margin-top: 45px; color: #fff; }

.recommend { display: grid; grid-template-columns: 540px 1fr; gap: 18px; margin-top: 36px; align-items: stretch; }
.recommend__photo img { width: 100%; height: 100%; object-fit: cover; }
.recommend__box { background: #fff; color: #111; border-radius: 23px; padding: 36px 36px 31px; }
.recommend__box h3 { font-size: 32px; font-weight: 700; text-align: center; margin-bottom: 27px; }
.checks li { position: relative; padding-left: 36px; font-size: 19px; font-weight: 500; line-height: 1.5; margin-bottom: 16px; }
.checks li::before { content: ""; position: absolute; left: 0; top: 6px; width: 20px; height: 20px; border-radius: 50%; background: #111 url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'><path d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/></svg>") center / 13px no-repeat; }

/* ===================== 11. 가족 ===================== */
.family { display: grid; grid-template-columns: 1fr 1fr; align-items: end; padding-top: 135px; overflow: hidden; padding-right: max(40px, calc(50% - 680px)); }
.family__photo img { width: 100%; max-width: 828px; }
.family__text { text-align: center; padding: 0; justify-self: end; width: 100%; max-width: 700px; }
.family__logo { width: 234px; margin: 0 auto; }
.family__sub { font-size: 25px; color: #222; margin-top: 18px; }
.family__title { font-size: 52px; font-weight: 600; letter-spacing: -0.03em; margin: 23px 0 36px; }
.family__title em { font-weight: 800; }
.family__text > p:not(.family__sub) { font-size: 26px; color: #222; line-height: 1.6; }
.family__text > p + p { margin-top: 36px; }
.family__points { display: grid; grid-template-columns: repeat(3, 1fr); border-top: 2px solid #111; margin-top: 81px; }
.family__points li { padding: 27px 9px; border-right: 1px dashed #999; }
.family__points li:last-child { border-right: 0; }
.family__points b { display: block; font-size: 22px; font-weight: 700; margin-bottom: 23px; }
.family__points span { display: block; font-size: 15px; color: #333; line-height: 1.6; }

/* ===================== 12. 사용방법 ===================== */
.howto { padding: 90px 0 144px; }
.howto__grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 72px; }
.howto .title { font-size: 59px; }
.howto__remote { margin-top: 27px; width: 540px; max-width: 100%; }
.howto__right { padding-top: 144px; }
.usage li { display: flex; gap: 27px; padding: 0 0 32px; border-bottom: 2px solid #f4bcc0; margin-bottom: 32px; }
.usage span { color: var(--red); font-size: 41px; font-weight: 500; line-height: 1.1; min-width: 54px; }
.usage h3 { font-size: 36px; font-weight: 700; line-height: 1.1; margin-bottom: 16px; }
.usage p { font-size: 18px; color: #333; }
.disclaimer { background: #cc1f26; color: #fff; display: flex; justify-content: space-between; align-items: flex-end; gap: 18px; padding: 27px 27px 27px 29px; }
.disclaimer p { font-size: 16px; line-height: 1.6; }
.disclaimer img { width: 100px; margin-bottom: 4px; }

/* ===================== 13. FAQ ===================== */
.faq {
  position: relative;
  overflow: hidden;
  padding: 144px 0 72px;
  background: #fff;
}
.faq::before {
  content: ""; position: absolute; left: 0; top: 0;
  width: min(50vw, 900px);
  /* js/main.js 가 '질문을 열었을 때 가장 긴 높이'로 맞춰요.
     닫혀 있을 땐 아래가 살짝 가려지고, 열면 드러나기만 해서 사진이 움직이지 않아요. */
  height: var(--faq-h, 100%);
  background: url("../img/naum/ksrs-naum-landing-12.jpg") left top / cover no-repeat;
  /* 오른쪽 끝을 하얗게 서서히 흐리게 → 경계선 없음 */
  -webkit-mask-image: linear-gradient(to right, #000 55%, transparent 100%);
          mask-image: linear-gradient(to right, #000 55%, transparent 100%);
}
.faq .container { position: relative; z-index: 1; }
.faq__grid { display: grid; grid-template-columns: 1fr 1.25fr; gap: 72px; }
.faq__left .title { font-size: 59px; color: #333; }
.faq__list { border-top: 3px solid #333; }
.faq details { border-bottom: 1px dashed #ccc; }
.faq summary {
  list-style: none; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center; gap: 18px;
  padding: 25px 9px 25px 5px;
  font-size: 22px; font-weight: 600; color: #111;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; width: 14px; height: 14px; flex-shrink: 0;
  border-right: 4px solid #111; border-bottom: 4px solid #111;
  transform: rotate(45deg) translate(-4px, -4px);
  transition: transform .25s;
}
.faq details[open] summary::after { transform: rotate(-135deg) translate(-4px, -4px); }
.faq details[open] summary { color: var(--red); }
.faq details p { padding: 0 36px 25px 5px; font-size: 19px; color: #555; line-height: 1.7; }

/* ===================== 14. 문의 ===================== */
.contact {
  position: relative;
  isolation: isolate;
  background: #000;
  color: #fff;
  padding: 234px 0 243px;
}
.contact::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background:
    linear-gradient(90deg, rgba(0,0,0,.45) 0%, rgba(0,0,0,.15) 45%, rgba(0,0,0,0) 100%),
    url("../img/naum/ksrs-naum-landing-13.jpg") center / cover no-repeat;
  filter: brightness(1.45);   /* 사진 밝기 (1 = 원본, 숫자가 클수록 밝게) */
}
.contact .title { font-size: 59px; }
.contact__desc { font-size: 22px; line-height: 1.75; margin-top: 27px; }
.contact__btns { display: flex; flex-wrap: wrap; gap: 16px; margin-top: 50px; }
.contact__btns .btn--ghost { background: rgba(255,255,255,.08); }

/* ===================== 푸터 ===================== */
.footer { background: #1b1716; color: #fff; padding: 54px 0 72px; }
.footer__grid { display: grid; grid-template-columns: auto auto auto; justify-content: space-between; gap: 60px; padding-bottom: 36px; border-bottom: 1px solid #555; }
.footer h4 { font-size: 20px; font-weight: 700; margin: 36px 0 18px; }
.footer dl { display: grid; grid-template-columns: 162px 1fr; row-gap: 4px; font-size: 20px; }
.footer dt { color: #999; }
.footer dd { white-space: nowrap; }
.footer__brand { text-align: right; padding-top: 38px; }
.footer__brand img { width: 170px; margin-left: auto; }
.footer__brand p { font-size: 14px; line-height: 1.6; margin-top: 14px; color: #ddd; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; gap: 18px; padding-top: 22px; font-size: 19px; }
.footer__bottom div { display: flex; gap: 43px; }

/* =========================================================
   반응형 (화면이 작아질 때)
   ========================================================= */
@media (max-width: 1440px) {
  .title, .clinical .title, .why__title, .spec .title, .howto .title, .faq__left .title, .contact .title { font-size: 49px; }
  .care__text .title, .elevated__text .title { font-size: 49px; }
  .conditions__body { padding: 108px 0 126px 50px; }
  .elevated__grid { grid-template-columns: 45% 1fr; gap: 63px; }
  .bowl__grid { grid-template-columns: 45% 1fr; }
  .clinical__grid, .why { grid-template-columns: 414px 1fr; gap: 54px; }
  .bignum__n { font-size: 117px; }
  .recommend { grid-template-columns: 40% 1fr; }
}

@media (max-width: 1280px) {
  :root { --header-h: 68px; }
  body { font-size: 14px; }
  .header__nav { gap: 27px; }
  .header__nav > a:not(.btn) { font-size: 15px; }
  .title, .clinical .title, .why__title, .spec .title, .howto .title, .faq__left .title, .contact .title,
  .care__text .title, .elevated__text .title { font-size: 40px; }
  .title--md { font-size: 31px; }
  .hero { min-height: 684px; }
  .hero__title { font-size: 43px; }
  .hero__desc { font-size: 19px; }
  .btn--lg { height: 58px; padding: 0 40px; font-size: 19px; }
  .benefits h3 { font-size: 23px; }
  .benefits p, .lead, .rental__sub { font-size: 16px; }
  .callbar p { font-size: 17px; }
  .callbar strong { font-size: 22px; margin: 0 9px; }
  .callbar__tel { font-size: 23px; }
  .callbar .btn { height: 54px; padding: 0 32px; font-size: 18px; }
  .conditions { grid-template-columns: 1fr; padding-right: 0; }
  .conditions__body { padding: 90px 40px 110px; }
  .conditions__photo { max-height: 540px; overflow: hidden; }
  .steps h3 { font-size: 23px; }
  .steps p { font-size: 15px; }
  .notice-bar { font-size: 16px; }
  .service__h { font-size: 23px; }
  .service__h + p, .dots--lg li { font-size: 17px; }
  .ptable { font-size: 15px; }
  .spec__grid { gap: 45px; }
  .spec__table dd { font-size: 19px; }
  .elevated__text p:not(.eyebrow), .care__text p, .bowl__text > p { font-size: 18px; }
  .care__tabs { gap: 13px; }
  .care__tabs button { width: 90px; height: 45px; font-size: 19px; }
  .features li { font-size: 15px; }
  .clinical__grid, .why { grid-template-columns: 1fr; gap: 36px; }
  .why__title { margin: 0; }
  .chart { max-width: 540px; }
  .quote { margin-top: 0; }
  .quote p { font-size: 22px; }
  .recommend { grid-template-columns: 1fr; }
  .recommend__photo { max-height: 378px; overflow: hidden; }
  .checks li { font-size: 17px; }
  .family__title { font-size: 38px; }
  .family__text > p:not(.family__sub) { font-size: 19px; }
  .usage h3 { font-size: 27px; }
  .usage span { font-size: 32px; }
  .faq summary { font-size: 18px; }
  .faq details p { font-size: 16px; }
  .footer dl, .footer__bottom { font-size: 15px; }
  .footer dl { grid-template-columns: 117px 1fr; }
}

/* ---------- 태블릿/모바일 메뉴 ---------- */
@media (max-width: 960px) {
  .header__toggle {
    display: flex; flex-direction: column; justify-content: center; gap: 6px;
    width: 44px; height: 44px; padding: 10px; background: none; border: 0;
  }
  .header__toggle span { display: block; height: 2px; background: #111; border-radius: 2px; transition: transform .25s, opacity .25s; }
  .header.is-open .header__toggle span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
  .header.is-open .header__toggle span:nth-child(2) { opacity: 0; }
  .header.is-open .header__toggle span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }
  .header__nav {
    position: fixed; top: var(--header-h); left: 0; right: 0;
    flex-direction: column; align-items: stretch; gap: 0;
    background: #fff; padding: 10px 20px 24px;
    box-shadow: 0 10px 20px rgba(0,0,0,.08);
    transform: translateY(-120%); visibility: hidden;
    transition: transform .3s, visibility .3s;
  }
  .header.is-open .header__nav { transform: none; visibility: visible; }
  .header__nav > a:not(.btn) { padding: 14px 4px; border-bottom: 1px solid #eee; }
  .header__cta { margin: 18px 0 0; }

  .service__grid, .spec__grid, .elevated__grid, .bowl__grid, .howto__grid, .faq__grid { grid-template-columns: 1fr; }
  .howto__right { padding-top: 0; }
  .howto__remote { width: 380px; margin: 30px auto 0; }
  .faq::before { display: none; }
  .steps { grid-template-columns: 1fr 1fr; row-gap: 50px; }
  .steps li::after { display: none; }
  .care__panel { min-height: 0; display: flex; flex-direction: column-reverse; }
  .care__photo { position: relative; width: 100%; margin-top: 30px; right: auto; }
  .care__text { max-width: none; }
  .family { grid-template-columns: 1fr; padding-top: 100px; padding-right: 0; }
  .family__photo { order: 2; }
  .family__text { padding: 0 20px; margin: 0 auto 50px; justify-self: center; }
  .footer__grid { grid-template-columns: 1fr 1fr; justify-content: stretch; }
  .footer dd { white-space: normal; }
  .footer__brand { padding-top: 0; }
  .footer__brand { grid-column: 1 / -1; grid-row: 1; text-align: left; }
  .footer__brand img { margin-left: 0; }
}

/* ---------- 모바일 ---------- */
@media (max-width: 640px) {
  :root { --header-h: 64px; }
  .container { padding: 0 16px; }
  .header__logo img { height: 26px; }
  .eyebrow { font-size: 15px; margin-bottom: 30px; }
  .eyebrow::after { bottom: -14px; width: 40px; height: 3px; }
  .eyebrow--caps { font-size: 12px; }
  .title, .clinical .title, .why__title, .spec .title, .howto .title, .faq__left .title, .contact .title,
  .care__text .title, .elevated__text .title { font-size: 30px; }
  .title--md { font-size: 24px; }
  .lead { font-size: 16px; }
  .lead br, .hero__desc br, .contact__desc br { display: none; }

  .btn { height: 52px; padding: 0 24px; font-size: 17px; }
  .btn--lg { height: 56px; padding: 0 20px; font-size: 18px; flex: 1; }
  .btn--xl { height: 58px; font-size: 18px; }
  .btn--xl img { width: 24px; }

  .hero { min-height: 640px; align-items: flex-end; }
  .hero__video { object-position: 70% center; }
  .hero::before { background: linear-gradient(0deg, rgba(0,0,0,.92) 0%, rgba(0,0,0,.7) 50%, rgba(0,0,0,.2) 100%); }
  .hero__inner { padding-bottom: 60px; }
  .hero__logo { height: 34px; }
  .hero__title { font-size: 32px; }
  .hero__desc { font-size: 16px; margin-top: 20px; }
  .hero__btns { gap: 10px; margin-top: 30px; }
  .hero__note { font-size: 13px; padding-left: 0; }

  .rental { padding: 80px 0; background-size: 200% auto; }
  .rental__head { flex-direction: column; align-items: flex-start; }
  .rental__ksrs { width: 120px; }
  .benefits { grid-template-columns: 1fr; }
  .benefits li, .benefits li + li { padding: 26px 0; border-right: 0; border-bottom: 1px dashed rgba(255,255,255,.4); }
  .benefits h3 { font-size: 22px; margin: 10px 0 8px; }
  .benefits p { font-size: 15px; }
  .benefits br { display: none; }
  .callbar { flex-direction: column; align-items: stretch; padding: 22px 20px; text-align: center; }
  .callbar p { font-size: 15px; }
  .callbar strong { display: block; font-size: 22px; margin: 6px 0 0; }
  .callbar__tel { font-size: 28px; }
  .callbar .btn { height: 54px; font-size: 18px; }

  .conditions__photo { max-height: 380px; }
  .conditions__body { padding: 60px 16px 80px; }
  .plan { grid-template-columns: 1fr; grid-template-areas: "price" "term" "as" "pay" "fee" "incl" "note"; margin-top: 40px; }
  .plan__price { border-right: 0; }
  .plan__amount strong { font-size: 48px; }
  .plan__cell { min-height: 0; flex-direction: row; align-items: center; gap: 10px; }
  .plan__cell--pay, .plan__cell--term { border-right: 0; }
  .plan__value .big { font-size: 36px; }
  .plan > div { padding: 16px 14px; }
  .plan__label { font-size: 14px; }
  .plan__value strong { font-size: 16px; }
  .plan__incl { border-right: 0; border-bottom: 2px solid #ddd; }
  .chips li { font-size: 14px; }
  .dots li { font-size: 14px; line-height: 1.7; margin-bottom: 4px; }

  .process { padding-bottom: 80px; }
  .process__bg { padding-top: 160px; background-size: 200% auto; }
  .process__ksrs { width: 110px; right: 16px; top: -110px; }
  .steps { grid-template-columns: 1fr; gap: 36px; margin-top: 40px; }
  .steps li { display: grid; grid-template-columns: 72px 1fr; column-gap: 18px; }
  .steps__icon { width: 72px; height: 72px; grid-row: 1 / 4; margin: 0; }
  .steps__icon img { width: 32px; height: 32px; }
  .steps__no { font-size: 14px; }
  .steps h3 { font-size: 21px; margin: 0 0 8px; }
  .steps p { font-size: 15px; }
  .steps p br { display: none; }
  .notice-bar { font-size: 15px; padding: 14px 16px; margin-top: 40px; border-left-width: 4px; }

  .service { padding: 80px 0; }
  .service__h { font-size: 21px; margin: 34px 0 12px; }
  .service__h + p, .dots--lg li { font-size: 16px; }
  .service__h + p br { display: none; }
  .table-title { font-size: 18px; }
  .table-wrap { overflow-x: auto; border-radius: 12px; }
  .ptable { font-size: 14px; min-width: 520px; }
  .ptable th { font-size: 13px; padding: 12px; }
  .ptable td { padding: 12px; }
  .ptable--2 { min-width: 0; }
  .ptable td small { font-size: 11px; }

  .spec { padding: 80px 0 100px; }
  .spec .lead { font-size: 16px; margin-top: 20px; }
  .spec__drawing { padding: 14px; border-radius: 14px; }
  .spec__table dt { font-size: 13px; }
  .spec__table dd { font-size: 16px; }
  .spec__table div { padding: 12px 14px; }
  .spec__note { font-size: 13px; text-align: left; }

  .elevated { padding-bottom: 100px; }
  .elevated__grid { gap: 40px; }
  .elevated__text .title { margin-bottom: 30px; }
  .elevated__text p:not(.eyebrow), .care__text p, .bowl__text > p { font-size: 16px; }
  .elevated__text p + p, .care__text p + p { margin-top: 24px; }
  .elevated__text p br, .bowl__text > p br { display: none; }

  .care { padding-bottom: 100px; }
  .care__top .eyebrow { margin-top: 0; }
  .care__tabs { width: 100%; gap: 6px; }
  .care__tabs button { flex: 1; width: auto; height: 40px; font-size: 15px; }
  .care__text .title { margin-bottom: 30px; }
  .care__logo { width: 120px; right: 16px; bottom: 16px; }

  .bowl { padding-bottom: 80px; }
  .bowl__text .title { margin-bottom: 24px; }
  .features li { font-size: 13px; padding: 18px 4px; }
  .features svg { width: 32px; height: 32px; }

  .clinical { padding: 80px 0 60px; }
  .chart { grid-template-columns: 40px 1fr; grid-template-rows: 300px auto; margin-top: 60px; }
  .chart__axis { font-size: 14px; padding-right: 6px; transform: translateY(-7px); height: calc(100% + 14px); }
  .chart__plot { padding: 0 10px; }
  .chart__bar { width: 80px; }
  .chart__bar b { font-size: 20px; top: -32px; }
  .chart__bar--after b { font-size: 24px; top: -36px; }
  .chart__badge { font-size: 14px; top: -84px; left: -70px; padding: 2px 10px; }
  .chart__badge { left: -90px; top: -78px; }
  .chart__arrow { left: -66px; top: -34px; width: 50px; height: 34px; }
  .chart__labels { font-size: 16px; padding: 8px 10px 0; }
  .chart__labels span { width: 80px; }
  .bignum { flex-direction: column; align-items: flex-start; margin-top: 20px; }
  .bignum__t { font-size: 21px; white-space: normal; }
  .bignum__s { font-size: 14px; }
  .bignum__n { font-size: 84px; }
  .bignum__n small { font-size: 34px; }
  .nk__h { font-size: 21px; margin-top: 30px; }
  .nk__p { font-size: 15px; }
  .stats { grid-template-columns: 1fr; gap: 10px; }
  .stats b { font-size: 32px; }
  .stats span { font-size: 13px; }
  .why { margin-top: 80px; }
  .why__title { line-height: 1.45; }
  .quote { padding: 24px 20px 20px 56px; border-radius: 16px; }
  .quote::before { left: 14px; font-size: 60px; }
  .quote p { font-size: 17px; }
  .quote cite { font-size: 12px; }
  .quote cite br { display: none; }
  .why__desc { font-size: 15px; margin-top: 30px; }
  .why__desc br { display: none; }
  .recommend__box { padding: 26px 18px; border-radius: 18px; }
  .recommend__box h3 { font-size: 19px; margin-bottom: 20px; }
  .checks li { font-size: 15px; padding-left: 30px; margin-bottom: 12px; }
  .checks li::before { width: 18px; height: 18px; top: 3px; background-size: 11px; }

  .family { padding-top: 80px; }
  .family__logo { width: 150px; }
  .family__sub { font-size: 17px; }
  .family__title { font-size: 25px; margin: 14px 0 24px; }
  .family__text { padding: 0 16px; }
  .family__text > p:not(.family__sub) { font-size: 15px; }
  .family__text > p br { display: none; }
  .family__text > p + p { margin-top: 20px; }
  .family__points { margin-top: 40px; }
  .family__points li { padding: 20px 4px; }
  .family__points b { font-size: 14px; margin-bottom: 10px; }
  .family__points span { font-size: 12px; }
  .family__points span br { display: none; }

  .howto { padding: 60px 0 80px; }
  .howto__remote { width: 260px; }
  .usage li { gap: 14px; padding-bottom: 22px; margin-bottom: 22px; }
  .usage span { font-size: 26px; min-width: 36px; }
  .usage h3 { font-size: 21px; margin-bottom: 8px; }
  .usage p { font-size: 15px; }
  .disclaimer { flex-direction: column; align-items: flex-start; padding: 22px 18px; }
  .disclaimer p { font-size: 13px; }
  .disclaimer img { width: 90px; align-self: flex-end; }

  .faq { padding: 80px 0 60px; }
  .faq summary { font-size: 16px; padding: 20px 4px; }
  .faq summary::after { width: 11px; height: 11px; border-width: 3px; }
  .faq details p { font-size: 15px; padding: 0 4px 20px; }

  .contact { padding: 120px 0; }
  .contact::before { background-position: 0 0, 65% center; }
  .contact__desc { font-size: 16px; }
  .contact__btns { flex-direction: column; gap: 12px; margin-top: 40px; }

  .footer { padding: 40px 0 50px; }
  .footer__grid { grid-template-columns: 1fr; gap: 10px; }
  .footer__brand img { width: 120px; }
  .footer__brand p { font-size: 13px; }
  .footer h4 { font-size: 17px; margin: 24px 0 12px; }
  .footer dl { grid-template-columns: 110px 1fr; font-size: 14px; }
  .footer__bottom { flex-direction: column; align-items: flex-start; font-size: 13px; }
  .footer__bottom div { gap: 24px; }
}

/* =========================================================
   스크롤 인터랙션 (PC 화면에서만 동작 - js/main.js 7번 참고)
   ========================================================= */
.has-reveal .reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity .9s ease, transform .9s cubic-bezier(.2, .7, .2, 1);
  transition-delay: var(--d, 0ms);
  will-change: opacity, transform;
}
.has-reveal .reveal--left  { transform: translateX(-60px); }
.has-reveal .reveal--right { transform: translateX(60px); }
.has-reveal .reveal--zoom  { transform: scale(.94); }
.has-reveal .reveal.is-in  { opacity: 1; transform: none; }

/* 그래프 막대가 아래에서 위로 자라는 효과 */
.has-reveal .chart .chart__bar { transition: height 1.4s cubic-bezier(.2, .7, .2, 1) .3s; }
.has-reveal .chart:not(.is-in) .chart__bar { height: 0; }
.has-reveal .chart .chart__bar b,
.has-reveal .chart .chart__badge,
.has-reveal .chart .chart__arrow { transition: opacity .6s ease 1.3s; }
.has-reveal .chart:not(.is-in) .chart__bar b,
.has-reveal .chart:not(.is-in) .chart__badge,
.has-reveal .chart:not(.is-in) .chart__arrow { opacity: 0; }

/* 메인 배경이 천천히 다가오는 효과 */
.has-reveal .hero__video { transform: scale(1.08); transition: transform 2.6s cubic-bezier(.2, .7, .2, 1); }
.has-reveal .hero.is-in .hero__video { transform: none; }

/* PC에서만: 사진 위에 올라간 작은 영문 제목은 흰색 */
@media (min-width: 961px) {
  .process__top .eyebrow { color: #fff; }
}

/* PC: STEP 1~3은 똑같이 넓게, STEP 4는 오른쪽 끝에 맞춤 → 콘텐츠 영역 양 끝 정렬 */
@media (min-width: 961px) {
  .steps { display: flex; gap: 0; }
  .steps li { flex: 1 1 0; min-width: 0; }
  .steps li:last-child { flex: 0 0 auto; }
  .steps li:not(:last-child)::after { left: 117px; right: 14px; }
}

/* FAQ 답변 안의 링크 */
.faq__link { color: inherit; text-decoration: underline; text-underline-offset: 3px; }
.faq__link:hover { color: var(--red); }

/* 화면이 좁아 위아래로 쌓일 때는 목록을 원래 간격으로 */
@media (max-width: 960px) {
  .service .dots--lg { flex: none; display: block; }
  .service .dots--lg li { margin-bottom: 8px; }
  .service__text .service__h:nth-of-type(2) { margin-top: 34px; }
}

/* 대상별 케어 제목: PC에서는 한 줄씩 줄바꿈 없이 (화면 폭에 맞춰 글자 크기 자동 조절) */
@media (min-width: 961px) {
  .care__text .title { font-size: clamp(26px, calc(3.64vw - 7px), 46px); white-space: nowrap; }
}

/* =========================================================
   대상별 케어 - 디자인 보강
   ========================================================= */
.care__tabs button { transition: background .25s, color .25s, box-shadow .25s, transform .25s; }
.care__tabs button.is-active { box-shadow: 0 10px 24px -8px rgba(238, 44, 58, .55); }
.care__tabs button:not(.is-active):hover { transform: translateY(-2px); }

/* 글 위 작은 라벨: 01 ─ Postpartum Care */
.care__kicker {
  display: flex; align-items: center; gap: 14px;
  font-size: 15px !important; font-weight: 600; letter-spacing: .14em; text-transform: uppercase;
  color: var(--red) !important; margin-bottom: 22px;
}
.care__kicker b { font-size: 15px; font-weight: 700; letter-spacing: .04em; }
.care__kicker b::after { content: ""; display: inline-block; width: 36px; height: 1px; background: currentColor; vertical-align: middle; margin-left: 14px; opacity: .6; }
.care__text p.care__kicker + .title { margin-top: 0; }

/* 사진 카드 */
.care__photo {
  border-radius: 28px 28px 28px 120px;
  box-shadow: 0 30px 60px -30px rgba(17, 17, 17, .35);
  background: #eee;
}
.care__photo img#careImg { transition: transform 1.2s cubic-bezier(.2, .7, .2, 1); }
.care__photo:hover img#careImg { transform: scale(1.03); }
.care__shade {
  position: absolute; inset: 0; z-index: 1; pointer-events: none;
  background: linear-gradient(180deg, rgba(0,0,0,0) 55%, rgba(0,0,0,.42) 100%);
}
.care__frame {
  position: absolute; inset: 18px; z-index: 2; pointer-events: none;
  border: 1px solid rgba(255, 255, 255, .55);
  border-radius: 18px 18px 18px 104px;
}
.care__count {
  position: absolute; top: 38px; right: 40px; z-index: 3;
  color: rgba(255, 255, 255, .85); font-size: 15px; font-weight: 500; letter-spacing: .08em;
  padding: 6px 14px; border-radius: 999px;
  background: rgba(17, 17, 17, .28);
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
}
.care__count b { color: #fff; font-weight: 700; }
.care__logo { z-index: 3; width: 170px; right: 44px; bottom: 52px; }
.care__progress {
  position: absolute; left: 120px; right: 44px; bottom: 38px; z-index: 3;
  height: 2px; background: rgba(255, 255, 255, .3); border-radius: 2px; overflow: hidden;
}
.care__progress i {
  display: block; height: 100%; width: 20%; background: #fff;
  transition: width .6s cubic-bezier(.2, .7, .2, 1);
}

/* 탭을 바꿀 때 */
@keyframes careImgIn { from { opacity: 0; transform: scale(1.06); } to { opacity: 1; transform: none; } }
@keyframes careTextIn { from { opacity: 0; transform: translateY(18px); } to { opacity: 1; transform: none; } }
.care__panel.is-enter img#careImg { animation: careImgIn .9s cubic-bezier(.2, .7, .2, 1); }
.care__panel.is-enter .care__text > * { animation: careTextIn .7s cubic-bezier(.2, .7, .2, 1) both; }
.care__panel.is-enter .care__text > *:nth-child(2) { animation-delay: .06s; }
.care__panel.is-enter .care__text > *:nth-child(3) { animation-delay: .12s; }
.care__panel.is-enter .care__text > *:nth-child(4) { animation-delay: .18s; }
.care__panel.is-enter .care__text > *:nth-child(5) { animation-delay: .24s; }
@media (prefers-reduced-motion: reduce) {
  .care__panel.is-enter img#careImg, .care__panel.is-enter .care__text > * { animation: none; }
}

@media (max-width: 640px) {
  .care__photo { border-radius: 18px 18px 18px 60px; }
  .care__frame { inset: 10px; border-radius: 12px 12px 12px 52px; }
  .care__count { top: 18px; right: 18px; font-size: 12px; padding: 4px 10px; }
  .care__logo { width: 90px; right: 22px; bottom: 28px; }
  .care__progress { left: 64px; right: 22px; bottom: 20px; }
  .care__kicker { font-size: 12px !important; margin-bottom: 14px; }
  .care__kicker b { font-size: 12px; }
}

/* =========================================================
   모바일 최적화 (화면 폭 640px 이하)
   - 좌우 여백: 16px 통일
   - 섹션 사이 여백: 64px 통일 (흰 섹션끼리 붙은 곳은 한쪽만 줘서 두 번 더해지지 않게)
   ========================================================= */
@media (max-width: 640px) {
  :root { --m-gap: 64px; }

  /* 섹션 위아래 여백 */
  .rental   { padding: var(--m-gap) 0; }
  .conditions__body { padding: var(--m-gap) 16px; }
  .process  { padding-bottom: var(--m-gap); }
  .service  { padding: var(--m-gap) 0; }
  .spec     { padding: var(--m-gap) 0; }
  .elevated { padding: 0 0 var(--m-gap); }
  .care     { padding: 0 0 var(--m-gap); }
  .bowl     { padding: 0 0 var(--m-gap); }
  .clinical { padding: var(--m-gap) 0; }
  .family   { padding: var(--m-gap) 0; }
  .family__text { margin-bottom: 0; }
  .howto    { padding: 0 0 var(--m-gap); }
  .faq      { padding: 0 0 var(--m-gap); }
  .contact  { padding: 88px 0; }

  /* 섹션 안쪽 큰 덩어리 사이 간격도 줄이기 */
  .notice-bar, .service .notice-bar { margin-top: 32px; }
  .why { margin-top: 56px; }
  .why__desc { margin-top: 24px; }
  .recommend { margin-top: 24px; }
  .family__points { margin-top: 32px; }
  .spec__grid { margin-top: 32px; gap: 24px; }
  .contact__btns { margin-top: 32px; }

  /* 렌탈 안내: KSRS 로고 위아래 공간 줄이기 */
  .rental__head { gap: 16px; margin-top: 20px; padding-bottom: 24px; }
  .rental__ksrs { width: 96px; }

  /* 모바일에서 사진 빼기 */
  .conditions__photo, .family__photo { display: none; }

  /* 렌탈 조건: 79,000원도 다른 칸처럼 (이름 왼쪽, 값 오른쪽) */
  .plan__price {
    display: grid; grid-template-columns: auto 1fr; align-items: center;
    column-gap: 12px;
  }
  .plan__price .plan__label { grid-row: 1 / 3; }
  .plan__amount, .plan__term { text-align: right; }
  .plan__amount { font-size: 18px; line-height: 1.1; }
  .plan__amount strong { font-size: 40px; margin-right: 2px; }
  .plan__term { font-size: 15px; margin-top: 2px; }
  .plan__value .big { font-size: 36px; }

  /* 신청 절차: 아이콘 사이 세로 점선 */
  .steps li:not(:last-child)::after {
    display: block;
    top: 76px; bottom: -32px; left: 35px; right: auto;
    border-top: 0; border-left: 2px dotted #c9c9c9;
  }
}