:root {
  --ink: #351522;
  --berry: #b01657;
  --berry-soft: #df3f7e;
  --pink: #ffe3ec;
  --pink-light: #fff5f8;
  --pink-panel: rgba(255, 246, 249, 0.84);
  --border: rgba(176, 22, 87, 0.14);
  --line: #06c755;
  --shadow: 0 18px 42px rgba(176, 22, 87, 0.13);
  font-family:
    "Yu Gothic", "YuGothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui,
    sans-serif;
  letter-spacing: 0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  min-width: 320px;
  margin: 0;
  background: var(--pink-light);
  color: var(--ink);
}

img {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: absolute;
  inset: 0 0 auto;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 78px;
  padding: 20px 34px;
}

.brand-mini {
  display: block;
  flex: 0 0 auto;
  width: clamp(120px, 10vw, 158px);
}

.brand-mini img {
  width: 100%;
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 34px;
  color: #421829;
  font-size: 0.84rem;
  font-weight: 800;
}

.site-nav a {
  padding: 7px 0;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--berry);
}

.nav-cta {
  min-width: 240px;
  padding: 12px 20px !important;
  border-radius: 999px;
  background: linear-gradient(180deg, #ec5a90, #d93575);
  box-shadow: 0 8px 20px rgba(217, 53, 117, 0.24);
  color: #fff !important;
  text-align: center;
}

.hero {
  position: relative;
  overflow: hidden;
  background: #ffdce8;
}

.hero::after {
  content: none;
}

.hero-picture {
  display: block;
}

.firstview-image {
  width: 100%;
  height: min(760px, calc(100svh - 48px));
  min-height: 560px;
  filter: brightness(1.1) saturate(1.06) contrast(0.98);
  object-fit: cover;
  object-position: center;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  justify-items: center;
  width: min(940px, 100%);
  margin: 0 auto;
}

.hero h1 {
  margin: 0;
  color: var(--berry);
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(4.4rem, 9vw, 7.6rem);
  font-weight: 900;
  line-height: 0.92;
  text-align: center;
}

.hangul {
  margin: 0;
  color: var(--berry);
  font-size: 1.38rem;
  font-weight: 900;
}

.hangul-top {
  transform: translateX(166px);
}

.hangul-bottom {
  justify-self: start;
  margin-left: 25%;
  transform: translateY(-2px);
}

.hero-products {
  position: relative;
  z-index: 1;
  width: min(830px, 96vw);
  margin-top: 24px;
  filter: drop-shadow(0 20px 18px rgba(176, 22, 87, 0.15));
}

.bubble,
.petal {
  position: absolute;
  pointer-events: none;
}

.bubble {
  border: 2px solid rgba(255, 255, 255, 0.72);
  border-radius: 50%;
  box-shadow:
    inset 8px 8px 18px rgba(255, 255, 255, 0.55),
    inset -8px -10px 16px rgba(176, 22, 87, 0.12),
    0 0 18px rgba(255, 255, 255, 0.5);
}

.bubble-left {
  top: -34px;
  left: -18px;
  width: 128px;
  height: 128px;
}

.bubble-right {
  top: 132px;
  right: 34px;
  width: 106px;
  height: 106px;
}

.petal {
  width: 44px;
  height: 22px;
  border-radius: 80% 0 80% 0;
  background:
    linear-gradient(135deg, rgba(255, 255, 255, 0.58), rgba(225, 44, 104, 0.78)),
    #e84f86;
  opacity: 0.78;
}

.petal-one {
  top: 176px;
  left: 62px;
  transform: rotate(28deg);
}

.petal-two {
  right: 112px;
  bottom: 86px;
  transform: rotate(-36deg);
}

.product-section,
.support-section {
  padding: 46px 24px 28px;
  background: var(--pink-light);
}

.product-section {
  overflow: hidden;
  padding-right: 0;
  padding-left: 0;
  background:
    linear-gradient(180deg, var(--pink-light) 0%, #fff 22%, #fff8fb 100%);
}

.section-heading,
.panel-heading {
  text-align: center;
}

.section-heading {
  display: grid;
  justify-items: center;
  margin-bottom: 22px;
}

.section-heading h2,
.panel-heading h2 {
  margin: 0;
  color: var(--berry);
  font-size: 2rem;
  font-weight: 900;
  line-height: 1.1;
}

.section-heading p,
.panel-heading p {
  margin: 8px 0 0;
  color: #3c1b2a;
  font-size: 0.82rem;
  font-weight: 700;
}

.product-marquee {
  position: relative;
  width: 100%;
  margin-top: 12px;
  overflow-x: hidden;
  overflow-y: hidden;
  cursor: grab;
  scrollbar-width: none;
  touch-action: pan-y;
  user-select: none;
}

.product-marquee::-webkit-scrollbar {
  display: none;
}

.product-marquee.is-dragging {
  cursor: grabbing;
}

.product-track {
  --product-flow-duration: 54s;
  display: flex;
  width: max-content;
  transform: translate3d(0, 0, 0);
  will-change: transform;
}

.product-track.is-carousel-ready {
  align-items: end;
  gap: clamp(22px, 4vw, 58px);
  padding: 18px clamp(20px, 4vw, 56px) 24px;
}

.product-line {
  flex: 0 0 auto;
  display: flex;
  align-items: end;
  gap: clamp(22px, 4vw, 58px);
  padding: 18px clamp(20px, 4vw, 56px) 24px;
}

.product-item {
  flex: 0 0 clamp(190px, 20vw, 278px);
  margin: 0;
  text-align: center;
}

.product-item img {
  width: 100%;
  aspect-ratio: 1;
  object-fit: cover;
  object-position: center;
  background: #fff;
  filter: drop-shadow(0 18px 24px rgba(176, 22, 87, 0.08));
  -webkit-user-drag: none;
  pointer-events: none;
}

.product-item figcaption {
  margin-top: 14px;
  color: var(--berry);
  font-size: 1rem;
  font-weight: 900;
  line-height: 1.2;
}

.support-section {
  padding-bottom: 42px;
}

.support-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 28px;
  width: min(1110px, 100%);
  margin: 0 auto;
}

.panel {
  min-height: 332px;
  padding: 28px 38px 30px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--pink-panel);
  box-shadow: var(--shadow);
}

.qa-list {
  display: grid;
  gap: 8px;
  margin-top: 24px;
}

.qa-list details {
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.58);
}

.qa-list summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 42px;
  padding: 0 18px;
  color: #331a27;
  font-size: 0.9rem;
  font-weight: 800;
  cursor: pointer;
  list-style: none;
}

.qa-list summary::-webkit-details-marker {
  display: none;
}

.qa-list summary::after {
  flex: 0 0 auto;
  color: var(--berry);
  font-size: 1.38rem;
  line-height: 1;
  content: "+";
}

.qa-list details[open] summary::after {
  content: "-";
}

.qa-list details p {
  margin: 0;
  padding: 0 18px 16px;
  color: #4b283c;
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.75;
}

.line-button {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  border-radius: 999px;
  font-size: 0.9rem;
  font-weight: 900;
}

.line-panel {
  display: grid;
  justify-items: center;
  align-content: start;
}

.line-panel .panel-heading {
  width: 100%;
}

.line-panel .panel-heading h2 {
  max-width: 12em;
  margin-right: auto;
  margin-left: auto;
  overflow-wrap: anywhere;
  text-align: center;
}

.line-panel .panel-heading h2 span {
  display: block;
}

.line-panel .panel-heading p {
  max-width: 100%;
  margin-right: auto;
  margin-left: auto;
  line-height: 1.8;
  text-align: center;
}

.line-panel .panel-heading p span {
  display: block;
}

.line-qr {
  width: 190px;
  margin-top: 18px;
  padding: 12px;
  border: 1px solid rgba(176, 22, 87, 0.12);
  border-radius: 8px;
  background: #fff;
  box-shadow: 0 10px 22px rgba(176, 22, 87, 0.1);
}

.line-button {
  width: min(270px, 100%);
  margin-top: 22px;
  background: linear-gradient(180deg, #ef5b94, #dd3678);
  color: #fff;
  box-shadow: 0 10px 22px rgba(221, 54, 120, 0.22);
}

.site-footer {
  display: grid;
  justify-items: center;
  gap: 22px;
  min-height: 170px;
  padding: 44px 24px 34px;
  background: #f184b0;
  color: #fff;
  text-align: center;
}

.footer-brand {
  display: block;
  width: min(390px, 72vw);
}

.footer-brand img {
  width: 100%;
  height: auto;
}

.copyright {
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  font-size: 0.92rem;
  font-weight: 800;
  text-align: center;
}

@media (max-width: 920px) {
  .site-header {
    padding: 18px 22px;
  }

  .site-nav {
    gap: 18px;
    font-size: 0.78rem;
  }

  .hero {
    min-height: auto;
  }

  .support-grid {
    grid-template-columns: 1fr;
  }

  .site-footer {
    min-height: 150px;
    padding: 38px 22px 30px;
  }
}

@media (max-width: 640px) {
  .site-header {
    position: relative;
    flex-direction: column;
    align-items: stretch;
    overflow: hidden;
    width: 100vw;
    max-width: 100vw;
    min-height: auto;
    padding: 16px;
    background: #ffe2ec;
  }

  .brand-mini {
    width: 128px;
    margin: 0 auto;
    text-align: center;
  }

  .site-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 8px clamp(28px, 8vw, 42px);
    width: 100%;
    max-width: 100%;
    font-size: 0.74rem;
    text-align: center;
  }

  .site-nav a {
    flex: 0 0 auto;
    width: auto;
    min-width: 0;
    padding-right: 4px;
    padding-left: 4px;
    white-space: nowrap;
  }

  .site-nav .nav-cta {
    flex: 0 0 100%;
    min-width: 0;
    width: min(100%, 360px);
    margin-top: 4px;
    font-size: 0.82rem;
  }

  .hero {
    min-height: auto;
  }

  .firstview-image {
    height: auto;
    min-height: 0;
    object-fit: contain;
  }

  .product-section {
    padding-right: 0;
    padding-left: 0;
  }

  .support-section {
    padding-right: 16px;
    padding-left: 16px;
  }

  .product-line,
  .product-track.is-carousel-ready {
    gap: 18px;
    padding: 12px 18px 20px;
  }

  .product-track {
    --product-flow-duration: 25s;
  }

  .product-item {
    flex-basis: 174px;
  }

  .product-item figcaption {
    font-size: 0.86rem;
  }

  .panel {
    padding: 26px 18px 28px;
  }

  .line-panel .panel-heading h2 {
    max-width: none;
    font-size: clamp(1.25rem, 5.4vw, 1.72rem);
    line-height: 1.28;
  }

  .line-panel .panel-heading h2 span {
    white-space: nowrap;
  }

  .line-panel .panel-heading p {
    font-size: clamp(0.68rem, 3vw, 0.78rem);
    line-height: 1.75;
  }

  .line-panel .panel-heading p span {
    white-space: nowrap;
  }

  .qa-list summary {
    padding: 0 14px;
    font-size: 0.86rem;
  }

  .footer-brand {
    width: min(270px, 74vw);
  }
}