/*Desktop*/
@charset "UTF-8";

:root {
  --ink: #3E1B53;
  --ink-soft: #646081;
  --ivory: #F5F5F5;
  --paper: #FEFEFE;
  --mist: #EEE8F2;
  --blue: #3E1B53;
  --blue-dark: #38343a;
  --lavender: #CAA7FB;
  --lavender-soft: #E9DCFF;
  --charcoal: #595854;
  --charcoal-dark: #4D4C4A;
  --sand: #F0E1D2;
  --line: rgba(62, 27, 83, 0.16);
  --serif: "Cardo", "Noto Serif", Georgia, serif;
  --sans: "Pretendard", "Noto Sans KR", "Apple SD Gothic Neo", sans-serif;
  --max: 1240px;
  --page-side: clamp(32px, 5vw, 85px);
}


* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: var(--sans);
  line-height: 1.7;
  letter-spacing: -0.02em;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }

.hero {
  min-height: 790px;
  display: grid;
  grid-template-columns: 49% 51%;
  background: var(--charcoal);
  overflow: hidden;
}
.hero-copy {
  padding: 118px var(--page-side) 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  background: var(--charcoal);
  color: white;
}
.eyebrow { margin: 0 0 24px; 
  font: 400 16px/1 var(--serif); 
  letter-spacing: .05em; 
  color: var(--blue-dark);
}
.hero .eyebrow { color: var(--lavender); }
.hero h1, .section-head h2, .statement h2, .about-copy h2, .band-copy h2, .system-intro h2, .faq-title h2, .contact-copy h2, .info-title h2 {
  margin: 0;
  font-weight: 400;
  letter-spacing: -0.055em;
  line-height: 1.24;
}
.hero h1 { font-size: clamp(48px, 4.3vw, 72px); }
.hero h1 em { font-family: var(--serif); font-weight: 400; color: var(--lavender); }
.hero-desc { max-width: 590px; margin: 34px 0 38px; color: rgba(255,255,255,.76); font-size: 16px; line-height: 1.9; }
.hero-actions { display: flex; align-items: center; gap: 34px; }
.btn { display: inline-flex; align-items: center; justify-content: center; min-width: 172px; padding: 15px 24px; font-size: 13px; letter-spacing: .04em; transition: transform .25s ease, background .25s ease; }
.btn:hover { transform: translateY(-2px); }
.btn-dark { color: var(--ink); background: var(--lavender); }
.text-link { font: 400 14px/1 var(--serif); border-bottom: 1px solid var(--lavender); padding-bottom: 6px; color: white; }
.text-link span { margin-left: 8px; }
.hero-meta {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  column-gap: 35px;
  width: 100%;
  max-width: 690px;
  margin-top: 25px;
  border-top: 1px solid rgba(255,255,255,.22);
}

.hero-meta div { padding: 22px 18px 0 0; display: flex; flex-direction: column; gap: 5px; }
.hero-meta strong { font: 400 20px var(--serif); color: var(--lavender); }
.hero-meta span { font: 400 17px var(--serif); 
  letter-spacing: .05em; 
  color: rgba(255,255,255,.92)}
.hero-meta .big-size { font-size: 22px; }
.hero-visual {
  position: relative;
  min-height: 790px;
  background: var(--charcoal);
  overflow: hidden;
}

.image-slot { border: 1px dashed rgba(62,27,83,.28); background: rgba(255,255,255,.12); }
.hero-image-slot {
  position: absolute;
  left: 50%;
  bottom: 7%;
  width: 72%;
  height: 80%;
  transform: translateX(-50%);
  z-index: 2;
}
.hero-image-slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center bottom;
  display: block;
}
.hero-orbit { position: absolute; border: 1px solid rgba(202,167,251,.62); border-radius: 50%; }
.orbit-one { width: 520px; height: 520px; right: -135px; top: 65px; }
.orbit-two { width: 290px; height: 290px; left: -110px; bottom: 40px; }
.floating-note { position: absolute; z-index: 3; color: white; }
.note-top { right: 8%; top: 17%; text-align: right; }
.floating-note p { margin: 8px 0 0; font: italic 18px/1.3 var(--serif); letter-spacing: 0; }
.note-bottom { left: 9%; bottom: 12%; display: flex; gap: 14px; align-items: center; }
.note-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: white;
  box-shadow: 0 0 0 8px rgba(255,255,255,.18);
}

.section-pad { padding: 125px var(--page-side); }
.statement { display: grid; grid-template-columns: 80px 1.15fr 1fr; gap: 54px; align-items: start; background: var(--paper); }
.section-number { font: 400 13px var(--serif); color: var(--blue-dark); padding-top: 8px; }
.statement h2 { font-family: Cardo, serif; font-size: clamp(38px, 3.3vw, 56px); }
.statement-text { margin: 52px 0 0; color: var(--ink-soft); font-size: 15px; line-height: 2; }

.quick-info {
  padding: 70px var(--page-side);
  background: var(--paper);
}

.quick-info-inner {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  max-width: 1050px;
  margin: 0 auto;
}

.quick-info-item {
  position: relative;
  min-height: 175px;
  padding: 0 30px;
  text-align: center;
}

.quick-info-item:not(:first-child) {
  border-left: 1px solid var(--line);
}

.quick-info-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 20px;
  border-radius: 50%;
  background: var(--ivory);
  display: flex;
  align-items: center;
  justify-content: center;
}

.quick-info-icon img {
  width: 42px;
  height: 42px;
  object-fit: contain;
  display: block;
}

.quick-info-item h3 {
  margin: 0 0 3px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--ink);
}

.quick-info-item p {
  margin: 0;
  font-size: 12px;
  line-height: 1.45;
  color: var(--ink-soft);
}

.quick-info-item p span {
  font-size: 11px;
}
.medical-note { text-align: center;
  margin: 20px 0 0; font-size: 11px; color: var(--ink-soft); }


.concerns { background: var(--mist); }
.section-head { max-width: 660px; }
.section-head h2, .about-copy h2, .system-intro h2, .faq-title h2, .info-title h2 { font-size: clamp(38px, 3.2vw, 54px); }
.section-head > p:last-child, .faq-title > p:last-child { margin: 22px 0 0; color: var(--ink-soft); }
.concern-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.concern-card:hover { transform: translateY(-8px); background: white; box-shadow: 0 18px 45px rgba(62,27,83,.08); }
.card-index { font: 400 11px var(--serif); color: var(--blue-dark); }
.concern-card {
  position: relative;
  min-height: 430px;
  padding: 38px 30px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: rgba(255,255,255,.68);
  transition: transform .3s ease, background .3s ease, box-shadow .3s ease;
}
.concern-image-slot {
  width: 100%;
  height: 170px;
  margin: 26px 0 28px;
  overflow: hidden;
  background: rgba(96, 125, 255, 0.08);
}

.concern-image-slot img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}
.concern-card h3 { margin: 0 0 14px; font-size: 18px; font-weight: 500; }
.concern-card p { margin: 0; color: var(--ink-soft); font-size: 14px; line-height: 1.75; }

.about-split { display: grid; grid-template-columns: 50% 50%; min-height: 810px; background: var(--ivory); }
.about-visual { position: relative; overflow: hidden; display: grid; place-items: center; background: var(--blue); }
.about-image-slot { width: 75%; height: 68%; position: relative; z-index: 2; border-color: rgba(255,255,255,.55); background: rgba(255,255,255,.08); }
.about-image-slot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
}
.soft-panel { position: absolute; border-radius: 50%; filter: blur(1px); }
.panel-a { width: 560px; height: 560px; background: rgba(255,255,255,.20); right: -100px; top: -70px; }
.panel-b { width: 330px; height: 330px; background: rgba(169, 107, 204, 0.28); left: -90px; bottom: -40px; }
.vertical-caption { writing-mode: vertical-rl; font: 400 10px var(--serif); letter-spacing: .26em; color: rgba(62,27,83,.55); }
.about-visual .vertical-caption { position: absolute; right: 33px; bottom: 42px; z-index: 3; color: rgba(255,255,255,.72); }
.about-copy { padding-left: 8vw; display: flex; flex-direction: column; justify-content: center; }
.about-copy > p:not(.eyebrow) { max-width: 570px; margin: 30px 0 44px; color: var(--ink-soft); font-size: 15px; line-height: 2; }
.fact-list { max-width: 600px; border-top: 1px solid var(--line); }
.fact-list > div { display: grid; grid-template-columns: 42px 150px 1fr; align-items: center; padding: 20px 0; border-bottom: 1px solid var(--line); }
.fact-list span { font: 400 11px var(--serif); color: var(--blue-dark); }
.fact-list strong { font-size: 15px; font-weight: 500; }
.fact-list small { color: var(--ink-soft); font-size: 13px; }

.benefit-band {
  display: block;
  background: var(--mist);
  color: var(--ink);
}

.benefit-band .section-head {
  margin-bottom: 65px;
}

.benefit-band .section-head h2 {
  font-size: 30px; font-weight: 500;
}

.band-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
}

.band-stats article {
  min-height: 240px;
  padding: 20px 40px;
}

.band-stats article:not(:first-child) {
  border-left: 1px solid var(--line);
}

.band-stats strong {
  font: 400 20px var(--serif);
  color: var(--blue-dark);
}

.band-stats h3 {
  margin: 10px 0 14px;
  font-size: 23px;
  font-weight: 700;
}

.band-stats p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.7;
  font-weight: 400;
}


.mechanism {
  background: var(--paper);
}

.mechanism > .section-head {
  margin-bottom: 65px;
}

.mechanism-stage {
  display: grid;
  grid-template-columns: 38% 62%;
  border-top: 1px solid var(--line);
  min-height: 590px;
}

.mechanism-copy {
  padding: 42px 55px 0 30px;
}

.mechanism-step {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 20px;
  padding: 27px 0;
  border-bottom: 1px solid var(--line);
  opacity: .48;
  cursor: pointer;
}

.mechanism-step.active {
  opacity: 1;
}

.mechanism-step > span {
  font: 400 11px var(--serif);
  color: var(--blue-dark);
  padding-top: 6px;
}

.mechanism-step h3 {
  margin: 0 0 8px;
  font: 400 24px var(--serif);
}

.mechanism-step p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 16px;
}

.mechanism-diagram {
  position: relative;
  min-height: 590px;
  background: var(--mist);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 45px;
}

.mechanism-diagram img {
  width: 520px;
  height: 480px;
  max-width: 100%;
  object-fit: contain;
  object-position: center;
  display: block;
  transition: opacity .25s ease;
}

.hershe-system {
  background: var(--ink);
  color: white;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

.system-panel {
  width: 100%;
  border-radius: 22px;
  overflow: hidden;
  background: var(--charcoal-dark);
}

.system-usp-panel {
  padding: 70px;
  background: var(--paper);
  color: var(--ink);
}

.system-usp-panel .eyebrow {
  color: var(--blue-dark);
}

.system-usp-panel .system-intro > p:last-child {
  color: var(--ink-soft);
}

.system-intro {
  max-width: 760px;
  margin-bottom: 55px;
}

.system-intro h2 {
  font-size: clamp(40px, 3.5vw, 48px);
  font-weight: 500;
}

.system-intro > p:last-child {
  max-width: 650px;
  margin: 25px 0 0;
  color: rgba(255,255,255,.68);
  font-size: 15px;
  line-height: 1.9;
}

.system-usp-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
}

.system-notice {
  margin-top: 45px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.system-notice p {
  margin: 0;
  color: var(--ink-soft);
  font-size: 13px;
  line-height: 1.8;
}

.usp-card {
  background: transparent;
  border: 0;
  border-radius: 0;
  overflow: visible;
  padding: 0 45px;
}

.usp-card:first-child {
  padding-left: 0;
}

.usp-card:last-child {
  padding-right: 0;
  border-left: 1px solid var(--line);
}

.usp-image {
  width: 100%;
  height: 260px;
  overflow: hidden;
  background: var(--ivory);
  border-radius: 12px;
}

.usp-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.usp-copy {
  padding: 34px 0 0;
}

.usp-copy > span,
.certification-number {
  font: 700 14px var(--serif);
  color: var(--blue-dark);
}

.usp-copy .card-en,
.certification-copy .card-en {
  margin: 28px 0 8px;
  font: 600 16px var(--serif);
  letter-spacing: .18em;
  color: var(--blue-dark);
}

.usp-copy h3,
.certification-copy h3 {
  margin: 0 0 16px;
  font-size: 22px;
  font-weight: 500;
}

.usp-copy > p:last-child,
.certification-copy > p:last-child {
  margin: 0;
  font-size: 18px;
  font-weight: 400;
  line-height: 1.85;
  color: var(--ink-soft);
}


.certification-panel {
  display: grid;
  grid-template-columns: 48% 52%;
  min-height: 330px;
  background: var(--paper);
  color: var(--ink);
  border: 1px solid var(--line);
}

.certification-copy {
  padding: 60px 70px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.certification-image {
  min-height: 330px;
  overflow: hidden;
  background: var(--ivory);
}

.certification-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.treatment-process {
  background: var(--paper);
}

.section-head.centered {
  max-width: 820px;
  margin: 0 auto 55px;
  text-align: center;
}

.section-head.centered > p:last-child {
  margin: 18px 0 0;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.process-card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.process-card {
  position: relative;
  overflow: visible;
}

.process-image {
  width: 100%;
  height: 280px;
  overflow: hidden;
  border-radius: 14px 14px 0 0;
  background: var(--mist);
}

.process-image img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  object-position: center;
}

.process-card-copy {
  min-height: 185px;
  padding: 30px 28px 34px;
  text-align: center;
  background: var(--ink);
  color: white;
  border-radius: 0 0 14px 14px;
}

.process-card-copy span {
  display: block;
  margin-bottom: 11px;
  font: 400 11px var(--serif);
  letter-spacing: .14em;
  color: var(--lavender);
}

.process-card-copy h3 {
  margin: 0 0 13px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.45;
}

.process-card-copy p {
  margin: 0;
  color: rgba(255, 255, 255, .7);
  font-size: 13px;
  line-height: 1.75;
}

/* Arrow between cards */
.process-card:not(:last-child)::after {
  content: "›";
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translate(50%, -50%);
  z-index: 5;

  width: 22px;
  height: 22px;
  border-radius: 50%;

  display: flex;
  align-items: center;
  justify-content: center;

  background: var(--ink);
  color: white;
  font-size: 17px;
  line-height: 1;
}

.faq { display: grid; grid-template-columns: 34% 66%; gap: 7vw; background: var(--paper); }
.faq-title { position: sticky; top: 135px; align-self: start; }
.faq-list { border-top: 1px solid var(--line); }
.faq-list details { border-bottom: 1px solid var(--line); }
.faq-list summary { list-style: none; min-height: 92px; display: grid; grid-template-columns: 46px 1fr 30px; align-items: center; cursor: pointer; font-size: 16px; }
.faq-list summary::-webkit-details-marker { display: none; }
.faq-list summary span { font: 400 11px var(--serif); color: var(--blue-dark); }
.faq-list summary i { font-style: normal; font-size: 20px; font-weight: 200; transition: transform .25s ease; }
.faq-list details[open] summary i { transform: rotate(45deg); }
.faq-list details p { margin: 0; padding: 0 50px 30px 46px; color: var(--ink-soft); font-size: 14px; line-height: 1.9; }

.contact {
  display: block;
  background: #f3f4f4;
  color: var(--ink);
}

.contact-copy {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 70px var(--page-side);
  background: transparent;
}

.contact::before,
.contact::after,
.contact-copy::before,
.contact-copy::after {
  display: none;
  content: none;
}

.contact-copy .eyebrow {
  margin-bottom: 14px;
  color: var(--blue-dark);
}

.contact-copy h2 {
  margin: 0 0 14px;
  font-size: clamp(34px, 3vw, 48px);
  font-weight: 400;
  color: var(--ink);
}

.contact-copy > p {
  margin: 0 0 24px;
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 1.8;
}

.btn-light {
  width: fit-content;
  color: white;
  background: var(--ink);
}

.btn-light span {
  margin-left: 24px;
}
.btn-light:hover {
  background: white;
  color: var(--ink);
}


/* Reference-inspired color applications */
.section-number,
.card-index,
.fact-list span,
.mechanism-step > span,
.faq-list summary span {
  color: var(--blue-dark);
}



/* Mobile */
@media (max-width: 820px) {
  :root {
    --page-side: 24px;
  }

  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero-copy {
    padding: 80px 24px 55px;
  }

  .hero h1 {
    font-size: 42px;
  }

  .hero-actions {
    flex-wrap: wrap;
    gap: 22px;
  }

  .hero-meta {
    grid-template-columns: repeat(3, 1fr);
    column-gap: 12px;
    margin-top: 50px;
  }

  .hero-meta div {
    padding-right: 8px;
  }

  .hero-meta strong {
    font-size: 17px;
  }

  .hero-meta span {
    font-size: 13px;
  }

  .hero-visual {
    min-height: 540px;
  }

  .hero-image-slot {
    width: 88%;
    height: 78%;
  }

  .orbit-one {
    width: 390px;
    height: 390px;
    right: -145px;
    top: 40px;
  }

  .orbit-two {
    width: 230px;
    height: 230px;
    left: -100px;
    bottom: 35px;
  }

  .floating-note p {
    font-size: 15px;
  }

  .section-pad {
    padding: 85px 24px;
  }

  .section-head h2,
  .about-copy h2,
  .system-intro h2,
  .faq-title h2,
  .info-title h2 {
    font-size: 36px;
  }

  .statement {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .statement-text {
    margin-top: 8px;
  }


  /* Quick information */
  .quick-info {
    padding: 60px 24px;
  }

  .quick-info-inner {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 30px;
  }

  .quick-info-item {
    min-height: 160px;
    padding: 0 15px;
  }

  .quick-info-item:not(:first-child) {
    border-left: 0;
  }

  .quick-info-item:nth-child(even) {
    border-left: 1px solid var(--line);
  }

  .quick-info-item:last-child {
    grid-column: 1 / -1;
    border-left: 0;
  }

  .medical-note {
    margin-top: 30px;
  }


  /* Concerns */
  .concern-grid {
    grid-template-columns: 1fr;
  }

  .concern-card {
    min-height: auto;
  }

  .concern-image-slot {
    height: 210px;
    margin: 26px 0;
  }


  /* About */
  .about-split {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .about-visual {
    min-height: 500px;
  }

  .about-image-slot {
    width: 82%;
    height: 72%;
  }

  .about-copy {
    padding: 75px 24px;
  }

  .fact-list > div {
    grid-template-columns: 40px 1fr;
    gap: 3px 10px;
  }

  .fact-list small {
    grid-column: 2;
  }


  /* Benefits */
  .benefit-band .section-head {
    margin-bottom: 40px;
  }

  .band-stats {
    grid-template-columns: 1fr;
  }

  .band-stats article {
    min-height: auto;
    padding: 35px 0;
  }

  .band-stats article:not(:first-child) {
    border-left: 0;
    border-top: 1px solid var(--line);
  }


  /* How it works */
  .mechanism > .section-head {
    margin-bottom: 40px;
  }

  .mechanism-stage {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .mechanism-copy {
    padding: 30px 0 0;
  }

  .mechanism-step {
    grid-template-columns: 40px 1fr;
    gap: 12px;
  }

  .mechanism-step h3 {
    font-size: 21px;
  }

  .mechanism-step p {
    font-size: 14px;
  }

  .mechanism-diagram {
    min-height: 400px;
    padding: 24px;
  }

  .mechanism-diagram img {
    width: 100%;
    height: 350px;
  }


  /* HERSHE system */
  .hershe-system {
    gap: 16px;
  }

  .system-panel {
    border-radius: 16px;
  }

  .system-usp-panel {
    padding: 50px 24px;
  }

  .system-intro {
    margin-bottom: 40px;
  }

  .system-usp-grid {
    grid-template-columns: 1fr;
  }

  .usp-card {
    padding: 0;
  }

  .usp-card:last-child {
    margin-top: 40px;
    padding-top: 40px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

  .usp-image {
    height: 230px;
  }

  .usp-copy {
    padding-top: 28px;
  }

  .usp-copy > p:last-child,
  .certification-copy > p:last-child {
    font-size: 15px;
  }

  .system-notice {
    margin-top: 35px;
    padding-top: 22px;
  }

  .certification-panel {
    grid-template-columns: 1fr;
  }

  .certification-copy {
    padding: 45px 24px;
  }

  .certification-image {
    min-height: 260px;
  }


  /* Treatment process */
  .section-head.centered {
    margin-bottom: 40px;
    text-align: left;
  }

  .process-card-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .process-image {
    height: 250px;
  }

  .process-card-copy {
    min-height: auto;
  }

  .process-card:not(:last-child)::after {
    display: none;
  }


  /* FAQ */
  .faq {
    grid-template-columns: 1fr;
    gap: 45px;
  }

  .faq-title {
    position: static;
  }

  .faq-list summary {
    grid-template-columns: 36px 1fr 24px;
    min-height: 82px;
    font-size: 15px;
  }

  .faq-list details p {
    padding: 0 25px 25px 36px;
  }


  /* Contact */
  .contact-copy {
    padding: 65px 24px;
  }

  .contact-copy h2 {
    font-size: 34px;
  }
}