:root {
  --bg-top: #f3fbfb;
  --bg-bottom: #edf7f2;
  --surface: rgba(255, 255, 255, 0.86);
  --surface-strong: #ffffff;
  --line: #d6e7e4;
  --text: #335056;
  --heading: #1f5a64;
  --accent: #3ba5a6;
  --accent-strong: #1d7683;
  --accent-soft: #d9f0ef;
  --mint: #d9f1e7;
  --mint-strong: #4d8f84;
  --shadow: 0 18px 40px rgba(61, 118, 124, 0.14);
}

body {
  font-family: "Zen Kaku Gothic New", sans-serif;
  line-height: 1.7;
  color: var(--text);
  background: radial-gradient(circle at top left, rgba(179, 231, 223, 0.5), transparent 28%), radial-gradient(circle at top right, rgba(172, 215, 234, 0.42), transparent 30%), linear-gradient(180deg, var(--bg-top) 0%, var(--bg-bottom) 100%);
}

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

.container {
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
}

.header {
  padding: 20px 0 14px;
  text-align: center;
  background-color: #fff;
}

.logo {
  display: inline-block;
}

.logo img {
  width: 120px;
}

.hero {
  position: relative;
  overflow: hidden;
  padding: 34px 0 40px;
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  pointer-events: none;
}

.hero::before {
  width: 320px;
  height: 320px;
  top: -70px;
  left: -90px;
  background: rgba(189, 235, 228, 0.6);
}

.hero::after {
  width: 250px;
  height: 250px;
  right: -70px;
  bottom: 20px;
  background: rgba(194, 226, 242, 0.7);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.8fr);
  gap: 32px;
  align-items: stretch;
}

.hero-text,
.hero-panel-card,
.product-card,
.bottom-banner-inner {
  box-shadow: var(--shadow);
}

.hero-text {
  padding: 52px;
  border-radius: 32px;
  background: linear-gradient(145deg, rgba(255, 255, 255, 0.94), rgba(240, 251, 249, 0.92));
  border: 1px solid rgba(214, 231, 228, 0.95);
}

.hero-label,
.section-label,
.bottom-label,
.product-category {
  font-family: "Playfair Display", serif;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.hero-label {
  margin-bottom: 16px;
  color: var(--accent-strong);
  font-size: 14px;
}

.hero h1 {
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.25;
  color: var(--heading);
  margin-bottom: 20px;
  white-space: pre-line;
}

.hero-lead {
  max-width: 44em;
  font-size: 17px;
  color: #537078;
}

.hero-button,
.product-button,
.bottom-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 52px;
  padding: 0 28px;
  border-radius: 999px;
  text-decoration: none;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-sizing: border-box;
  transition:
    transform 0.25s ease,
    box-shadow 0.25s ease,
    opacity 0.25s ease;
}

.hero-button {
  margin-top: 28px;
}

.hero-button:hover,
.product-button:hover,
.bottom-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(29, 118, 131, 0.22);
}

.hero-panel {
  display: flex;
}

.hero-panel-card {
  width: 100%;
  align-self: stretch;
  padding: 34px 30px;
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(234, 248, 243, 0.95));
  border: 1px solid rgba(214, 231, 228, 0.95);
}

.hero-panel-title {
  font-family: "Bodoni Moda", serif;
  font-size: 30px;
  color: var(--mint-strong);
}

.hero-panel-copy {
  margin-top: 16px;
  font-size: 15px;
}

.hero-points {
  margin-top: 22px;
  padding-left: 1.2em;
}

.hero-points li + li {
  margin-top: 10px;
}

.intro {
  padding: 52px 0 24px;
}

.intro-text {
  max-width: 860px;
  margin: 0 auto;
  margin-top: 28px;
  padding: 0 10px;
  text-align: center;
  font-size: 18px;
  color: #486871;
}

.products {
  padding: 28px 0 80px;
}

.section-heading {
  display: grid;
  gap: 10px;
  justify-items: center;
  text-align: center;
  margin-bottom: 34px;
}

.section-label {
  font-size: 60px;
  color: var(--mint-strong);
}

.section-heading h2,
.bottom-banner-inner h2 {
  font-family: "Zen Old Mincho", serif;
  font-size: clamp(30px, 4vw, 44px);
  color: var(--heading);
}

.product-grid {
  display: grid;
  gap: 26px;
}

.product-card {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(300px, 0.95fr);
  gap: 32px;
  padding: 30px;
  border-radius: 30px;
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.75);
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 0.8s ease,
    transform 0.8s ease,
    box-shadow 0.25s ease;
}

.product-card.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.product-card:hover {
  box-shadow: 0 24px 48px rgba(61, 118, 124, 0.18);
}

.product-card-featured {
  grid-template-columns: minmax(0, 1.18fr) minmax(320px, 0.82fr);
  padding: 36px;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.96), rgba(230, 247, 245, 0.94));
}

.product-gallery {
  position: relative;
}

.product-number {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 1;
  width: 58px;
  height: 58px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  font-family: "Bodoni Moda", serif;
  font-size: 20px;
  color: #fff;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  box-shadow: 0 8px 18px rgba(29, 118, 131, 0.28);
}

.product-main-image {
  overflow: hidden;
  border-radius: 24px;
  background: var(--surface-strong);
  border: 1px solid rgba(214, 231, 228, 0.95);
  aspect-ratio: 1 / 1;
}

.product-card-featured .product-main-image {
  aspect-ratio: 1.08 / 1;
}

.product-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.product-thumbnails {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(74px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.thumb-button {
  padding: 0;
  border: 2px solid transparent;
  border-radius: 16px;
  overflow: hidden;
  cursor: pointer;
  background: #fff;
  transition:
    transform 0.2s ease,
    border-color 0.2s ease,
    box-shadow 0.2s ease;
}

.thumb-button img {
  width: 100%;
  aspect-ratio: 1 / 1;
  object-fit: cover;
}

.thumb-button:hover,
.thumb-button:focus-visible,
.thumb-button.is-active {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: 0 10px 20px rgba(29, 118, 131, 0.16);
  outline: none;
}

.product-details {
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.product-category {
  font-size: 13px;
  color: #5f978d;
}

.product-name {
  margin-top: 10px;
  font-size: clamp(26px, 3vw, 34px);
  line-height: 1.4;
  color: var(--heading);
}

.product-copy {
  margin-top: 16px;
  font-size: 15px;
  color: #4b6870;
}

.product-price {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 22px;
}

.price-original {
  font-size: 16px;
  color: #8aa0a6;
  text-decoration: line-through;
}

.price-sale {
  font-size: 34px;
  line-height: 1;
  font-weight: 700;
  color: var(--accent-strong);
}

.price-off {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 14px;
  border-radius: 999px;
  background: var(--mint);
  color: #40685f;
  font-weight: 700;
  font-size: 14px;
}

.product-button {
  margin-top: 24px;
  width: fit-content;
}

.bottom-banner {
  padding: 0 0 64px;
}

.bottom-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 34px;
  border-radius: 30px;
  background: linear-gradient(135deg, rgba(217, 241, 231, 0.9), rgba(221, 241, 247, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.bottom-label {
  color: var(--accent-strong);
  font-size: 13px;
  margin-bottom: 8px;
}

.other {
  padding: 0 0 32px;
  text-align: center;
}

.other p {
  color: var(--heading);
}

.other a {
  display: block;
  margin: 20px auto 0;
  width: 15%;
  padding: 10px;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-strong) 100%);
  color: #fff;
  border-radius: 999px;
  text-decoration: none;
  transition:
    opacity 0.25s ease,
    transform 0.25s ease,
    box-shadow 0.25s ease;
}

.other a:hover {
  opacity: 0.9;
  transform: translateY(-2px);
  box-shadow: 0 14px 24px rgba(29, 118, 131, 0.22);
}

.footer {
  padding: 28px 0 38px;
  text-align: center;
  color: #6f8b90;
}

@media (max-width: 900px) {
  .section-label {
    font-size: 28px;
  }

  .hero-inner,
  .product-card,
  .product-card-featured {
    grid-template-columns: 1fr;
  }

  .hero-text,
  .hero-panel-card,
  .product-card,
  .product-card-featured,
  .bottom-banner-inner {
    padding: 24px;
  }

  .bottom-banner-inner {
    align-items: flex-start;
    flex-direction: column;
  }

  .other a {
    width: 70%;
  }
}

@media (max-width: 767px) {
  .container {
    width: min(100% - 24px, 1180px);
  }

  .header {
    padding: 16px 0 8px;
  }

  .logo img {
    width: 96px;
  }

  .hero {
    padding-top: 28px;
  }

  .hero-text {
    padding: 28px 22px;
  }

  .hero h1 {
    font-size: 34px;
  }

  .hero-lead,
  .intro-text {
    font-size: 15px;
  }

  .product-card,
  .product-card-featured {
    gap: 22px;
    padding: 18px;
    border-radius: 22px;
  }

  .product-main-image,
  .product-card-featured .product-main-image {
    aspect-ratio: 1 / 1;
    border-radius: 18px;
  }

  .product-thumbnails {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 10px;
  }

  .product-number {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }

  .product-name {
    font-size: 24px;
  }

  .price-sale {
    font-size: 28px;
  }

  .product-button,
  .hero-button,
  .bottom-button {
    width: 100%;
    padding: 0 20px;
  }
}