/* ============================================
   THE iLLON サイト 共通CSS
   LP準拠デザインシステム
============================================ */

/* --- CSS変数・リセット --- */
:root {
  --color-black: #1a1a1a;
  --color-dark: #333333;
  --color-grey: #666666;
  --color-light-grey: #999999;
  --color-border: #e0e0e0;
  --color-bg: #ffffff;
  --color-bg-alt: #f7f6f4;
  --color-bg-warm: #f3f0eb;
  --color-bg-dark: #1a1a1a;
  --color-accent: #b8976a;
  --color-accent-light: #d4bc96;
  --color-cta: #1a1a1a;
  --color-cta-hover: #333333;
  --color-cta-text: #ffffff;
  --font-en: 'Cormorant Garamond', serif;
  --font-num: 'Manrope', sans-serif;
  --font-jp-display: 'Noto Serif JP', serif;
  --font-jp-body: 'Noto Sans JP', sans-serif;
  --content-width: 1100px;
  --content-narrow: 800px;
  --section-padding: 140px;
  --section-padding-sp: 80px;
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-jp-body);
  font-weight: 300;
  color: var(--color-black);
  background: var(--color-bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

/* <picture>をレイアウトに影響させない（flex/grid配置・img直下指定を温存） */
picture {
  display: contents;
}

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

ul, ol { list-style: none; }

/* --- 共通ユーティリティ --- */
.container {
  max-width: var(--content-width);
  margin: 0 auto;
  padding: 0 40px;
}

/* グリッド子要素の min-width:auto による横はみ出し防止（記事レイアウト等） */
.article-layout > * { min-width: 0; }

.container--narrow {
  max-width: var(--content-narrow);
  margin: 0 auto;
  padding: 0 40px;
}

/* 英語ディスプレイフォント */
.en {
  font-family: var(--font-en);
  font-weight: 300;
  letter-spacing: 0.15em;
}

/* セクションラベル */
.section-label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-light-grey);
  margin-bottom: 24px;
}

/* セクション見出し */
.section-heading {
  font-family: var(--font-jp-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: 0.08em;
  margin-bottom: 32px;
}

.section-heading--en {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 300;
  letter-spacing: 0.12em;
  line-height: 1.3;
  margin-bottom: 32px;
}

.section-text {
  font-size: 15px;
  line-height: 2.2;
  color: var(--color-grey);
  font-weight: 300;
}

/* PC改行制御 */
.pc-only { display: inline; }

/* --- スクロールアニメーション --- */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.9s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }

@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* 印刷・PDF出力時はスクロール連動アニメーションを無効化し、全要素を表示する */
@media print {
  .reveal {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
  .sticky-cta { display: none !important; }
}

/* --- ヘッダー / ナビゲーション --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 20px 40px;
  transition: background 0.4s ease, padding 0.4s ease, box-shadow 0.4s ease;
}

.header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px 40px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* サブページ用：最初からスクロール済みスタイル */
.header--solid {
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 14px 40px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

.header__inner {
  max-width: var(--content-width);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header__logo {
  height: 20px;
  transition: opacity 0.3s;
}

.header__logo:hover { opacity: 0.7; }

/* ヒーロー上ではロゴを白く */
.header:not(.is-scrolled):not(.header--solid) .header__logo {
  filter: invert(1);
  mix-blend-mode: screen;
}

.header__nav {
  display: flex;
  align-items: center;
  gap: 36px;
}

.header__link {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-black);
  transition: opacity 0.3s;
  position: relative;
}

.header:not(.is-scrolled):not(.header--solid) .header__link {
  color: #ffffff;
}

.header__link:hover { opacity: 0.6; }

/* アクティブページ下線 */
.header__link.is-active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 1px;
  background: var(--color-accent);
}

.header__cta-btn {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 10px 28px;
  border: 1px solid var(--color-black);
  color: var(--color-black);
  background: transparent;
  cursor: pointer;
  transition: all 0.3s ease;
  display: inline-block;
}

.header:not(.is-scrolled):not(.header--solid) .header__cta-btn {
  border-color: #ffffff;
  color: #ffffff;
}

.header__cta-btn:hover {
  background: var(--color-black);
  color: #ffffff;
}

.header:not(.is-scrolled):not(.header--solid) .header__cta-btn:hover {
  background: #ffffff;
  color: var(--color-black);
}

/* モバイルメニューボタン */
.header__menu-btn {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 28px;
  height: 20px;
  position: relative;
  z-index: 1001;
}

.header__menu-btn span {
  display: block;
  width: 100%;
  height: 1px;
  background: var(--color-black);
  position: absolute;
  left: 0;
  transition: all 0.3s ease;
}

.header:not(.is-scrolled):not(.header--solid) .header__menu-btn span {
  background: #ffffff;
}

.header__menu-btn span:nth-child(1) { top: 0; }
.header__menu-btn span:nth-child(2) { top: 50%; }
.header__menu-btn span:nth-child(3) { bottom: 0; }

.header__menu-btn.is-active span:nth-child(1) {
  top: 50%;
  transform: rotate(45deg);
  background: var(--color-black);
}
.header__menu-btn.is-active span:nth-child(2) { opacity: 0; }
.header__menu-btn.is-active span:nth-child(3) {
  bottom: 50%;
  transform: rotate(-45deg);
  background: var(--color-black);
}

/* モバイルオーバーレイメニュー */
.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: rgba(255, 255, 255, 0.98);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.mobile-nav.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav__link {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-black);
  padding: 8px 0;
}

.mobile-nav__cta {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--font-jp-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.1em;
  padding: 16px 48px;
  background: var(--color-black);
  color: #ffffff;
  border: none;
  cursor: pointer;
}

/* --- ページヒーロー（サブページ用） --- */
.page-hero {
  position: relative;
  padding: 200px 0 120px;
  text-align: center;
  background: var(--color-bg-alt);
  overflow: hidden;
}

.page-hero--dark {
  background: var(--color-bg-dark);
  color: #ffffff;
}

.page-hero__label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-light-grey);
  margin-bottom: 24px;
}

.page-hero--dark .page-hero__label {
  color: rgba(255, 255, 255, 0.4);
}

.page-hero__title {
  font-family: var(--font-en);
  font-size: 56px;
  font-weight: 300;
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}

.page-hero__title--jp {
  font-family: var(--font-jp-display);
  font-size: 36px;
  font-weight: 400;
  letter-spacing: 0.1em;
}

.page-hero__desc {
  font-size: 15px;
  line-height: 2;
  color: var(--color-grey);
  max-width: 600px;
  margin: 0 auto;
}

.page-hero--dark .page-hero__desc {
  color: rgba(255, 255, 255, 0.5);
}

/* --- ボタンスタイル --- */
/* プライマリ：黒背景・白文字 */
.btn-primary {
  display: inline-block;
  padding: 18px 56px;
  background: var(--color-black);
  color: #ffffff;
  border: 1px solid var(--color-black);
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s ease;
}

.btn-primary:hover {
  background: transparent;
  color: var(--color-black);
}

/* アウトライン：透明背景・黒ボーダー */
.btn-outline {
  display: inline-block;
  padding: 18px 56px;
  border: 1px solid var(--color-black);
  color: var(--color-black);
  background: transparent;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s ease;
}

.btn-outline:hover {
  background: var(--color-black);
  color: #ffffff;
}

/* ライト：ダーク背景上のボタン */
.btn-light {
  display: inline-block;
  padding: 18px 56px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #ffffff;
  background: transparent;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.4s ease;
}

.btn-light:hover {
  background: #ffffff;
  color: var(--color-black);
  border-color: #ffffff;
}

/* --- CTAセクション --- */
.cta-section {
  padding: var(--section-padding) 0;
  background: var(--color-bg-dark);
  color: #ffffff;
  text-align: center;
}

.cta-section__label {
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 24px;
}

.cta-section__heading {
  font-family: var(--font-jp-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.7;
  letter-spacing: 0.08em;
  margin-bottom: 20px;
}

.cta-section__text {
  font-size: 15px;
  font-weight: 300;
  line-height: 2;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 48px;
}

.cta-section__buttons {
  display: flex;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* --- フッター --- */
.footer {
  padding: 60px 0;
  background: var(--color-bg-dark);
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.4);
}

.footer__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.footer__logo {
  height: 24px;
  filter: invert(1);
  mix-blend-mode: screen;
  opacity: 0.6;
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__link {
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.04em;
  transition: opacity 0.3s;
}

.footer__link:hover { opacity: 0.7; }

.footer__copy {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 300;
  letter-spacing: 0.08em;
}

/* --- 共通セクションスタイル --- */
/* 2カラムレイアウト */
.split-section {
  display: flex;
  align-items: center;
  gap: 80px;
}

.split-section__image {
  flex: 1;
  max-width: 500px;
}

.split-section__image img {
  width: 100%;
  border-radius: 4px;
}

.split-section__content {
  flex: 1;
}

/* グリッドカード */
.card-grid {
  display: grid;
  gap: 40px;
}

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

.card-grid--4 {
  grid-template-columns: repeat(4, 1fr);
}

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

/* プロダクトカード */
.product-card {
  text-align: center;
  position: relative;
}

.product-card__image {
  aspect-ratio: 1 / 1.15;
  overflow: hidden;
  margin-bottom: 28px;
  background: var(--color-bg-alt);
  position: relative;
}

/* デフォルト画像 */
.product-card__image img.product-card__img-default {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  position: relative;
  z-index: 1;
}

/* ホバー用デザイン画像 */
.product-card__image img.product-card__img-hover {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  z-index: 2;
}

/* 後方互換：クラスなしのimg（既存のページ用） */
.product-card__image img:not([class]) {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* 透過切り抜き（トップの製品グリッド）：NEW ARRIVALS と同等の見せ方 */
.product-card__image img.product-card__img-cut {
  width: 100%;
  height: 100%;
  object-fit: contain;
  padding: 9%;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.product-card:hover .product-card__img-cut { transform: scale(1.045); }

/* ホバー時：デフォルト画像を非表示、デザイン画像を表示 */
.product-card:hover .product-card__img-default {
  opacity: 0;
}

.product-card:hover .product-card__img-hover {
  opacity: 1;
  transform: scale(1.04);
}

/* ホバー時にクラスなしimgのスケール（後方互換） */
.product-card:hover .product-card__image img:not([class]) {
  transform: scale(1.04);
}

.product-card__category {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.product-card__name {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.product-card__desc {
  font-size: 13px;
  color: var(--color-light-grey);
  font-weight: 300;
  letter-spacing: 0.04em;
}

/* 数字ハイライト */
.numbers-section {
  padding: var(--section-padding) 0;
  background: var(--color-bg-dark);
  color: #ffffff;
}

.numbers-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
}

.number-item {
  text-align: center;
}

.number-item__value {
  font-family: var(--font-num);
  font-size: 56px;
  font-weight: 500;
  letter-spacing: 0.01em;
  line-height: 1;
  margin-bottom: 8px;
}

.number-item__unit {
  font-size: 18px;
  font-weight: 300;
  margin-left: 4px;
}

.number-item__label {
  font-size: 13px;
  font-weight: 300;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.06em;
}

/* ワイドビジュアル */
.visual-break {
  position: relative;
  height: 70vh;
  min-height: 400px;
  overflow: hidden;
}

.visual-break img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.visual-break__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}

.visual-break__text {
  font-family: var(--font-en);
  font-size: 48px;
  font-weight: 300;
  letter-spacing: 0.2em;
  color: #ffffff;
  text-align: center;
  line-height: 1.4;
}

/* 中間CTA */
.mid-cta {
  padding: 80px 0;
  text-align: center;
  background: var(--color-bg-warm);
}

.mid-cta__text {
  font-family: var(--font-jp-display);
  font-size: 20px;
  font-weight: 400;
  margin-bottom: 12px;
}

.mid-cta__sub {
  font-size: 13px;
  color: var(--color-grey);
  font-weight: 300;
  margin-bottom: 32px;
}

/* --- ブランドマーキー（装飾テキストバンド） --- */
.brand-marquee {
  padding: 28px 0;
  background: var(--color-bg-dark);
  overflow: hidden;
  white-space: nowrap;
}

.brand-marquee__track {
  display: inline-flex;
  align-items: center;
  gap: 0;
  animation: marqueeScroll 30s linear infinite;
}

.brand-marquee__track span {
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  padding: 0 24px;
  flex-shrink: 0;
}

@keyframes marqueeScroll {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* --- プロダクトショーケース（ダイナミックグリッド） --- */
.products-showcase {
  padding: var(--section-padding) 0;
}

.products-showcase__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: 64px;
}

/* 3×3 プロダクトグリッド */
.products-grid-3x3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px 32px;
}

/* FAQセクション */
.faq {
  padding: var(--section-padding) 0;
  background: var(--color-bg-alt);
}

.faq__header {
  text-align: center;
  margin-bottom: 64px;
}

.faq__list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--color-border);
}

.faq-item:first-child {
  border-top: 1px solid var(--color-border);
}

.faq-item__question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 28px 0;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  font-family: var(--font-jp-display);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--color-black);
  line-height: 1.7;
  transition: color 0.3s;
}

.faq-item__question:hover {
  color: var(--color-accent);
}

/* プラス/マイナスアイコン */
.faq-item__icon {
  position: relative;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  margin-left: 24px;
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background: var(--color-light-grey);
  transition: transform 0.3s ease;
}

/* 横線 */
.faq-item__icon::before {
  top: 50%;
  left: 0;
  width: 100%;
  height: 1px;
  transform: translateY(-50%);
}

/* 縦線（開閉で回転） */
.faq-item__icon::after {
  top: 0;
  left: 50%;
  width: 1px;
  height: 100%;
  transform: translateX(-50%);
}

/* 開いた状態：縦線を回転して消す */
.faq-item.is-open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
}

.faq-item__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
  padding: 0 0 0 0;
}

.faq-item.is-open .faq-item__answer {
  max-height: 300px;
  padding: 0 0 28px 0;
}

.faq-item__answer-text {
  font-size: 14px;
  font-weight: 300;
  line-height: 2.2;
  color: var(--color-grey);
  letter-spacing: 0.02em;
}

/* --- レスポンシブ --- */
@media (max-width: 1024px) {
  :root {
    --section-padding: 100px;
  }

  .split-section {
    flex-direction: column;
    gap: 48px;
  }

  .split-section__image {
    max-width: 100%;
  }

  .card-grid--3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

  /* 3×3グリッド：タブレット */
  .products-grid-3x3 {
    gap: 32px 24px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: var(--section-padding-sp);
  }

  .container,
  .container--narrow {
    padding: 0 20px;
  }

  .pc-only { display: none; }

  /* ヘッダー */
  .header {
    padding: 14px 20px;
  }

  .header.is-scrolled,
  .header--solid {
    padding: 10px 20px;
  }

  .header__logo {
    height: 16px;
  }

  .header__nav { display: none; }
  .header__menu-btn { display: block; }
  .mobile-nav { display: flex; }

  /* ページヒーロー */
  .page-hero {
    padding: 140px 0 80px;
  }

  .page-hero__title {
    font-size: 36px;
  }

  .page-hero__title--jp {
    font-size: 26px;
  }

  .page-hero__desc {
    font-size: 14px;
  }

  /* セクション見出し */
  .section-heading {
    font-size: 22px;
    margin-bottom: 24px;
  }

  .section-heading--en {
    font-size: 28px;
  }

  .section-label {
    font-size: 11px;
    margin-bottom: 16px;
  }

  .section-text {
    font-size: 14px;
    line-height: 2;
  }

  /* FAQ */
  .faq__header {
    margin-bottom: 40px;
  }

  .faq-item__question {
    font-size: 14px;
    padding: 24px 0;
  }

  .faq-item__answer-text {
    font-size: 13px;
    line-height: 2;
  }

  /* ブランドマーキー */
  .brand-marquee {
    padding: 20px 0;
  }

  .brand-marquee__track span {
    font-size: 11px;
    letter-spacing: 0.2em;
    padding: 0 16px;
  }

  /* プロダクトショーケース */
  .products-showcase__header {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 40px;
  }

  /* 3×3グリッド：モバイル → 2カラム */
  .products-grid-3x3 {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  /* グリッド */
  .card-grid--3,
  .card-grid--4 {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px 16px;
  }

  .card-grid--2 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* プロダクトカード */
  .product-card__image {
    aspect-ratio: 1 / 1.1;
    margin-bottom: 16px;
  }

  .product-card__name {
    font-size: 12px;
    letter-spacing: 0.1em;
    margin-bottom: 4px;
  }

  .product-card__desc {
    font-size: 11px;
  }

  /* 数字 */
  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px 24px;
  }

  .number-item__value {
    font-size: 40px;
  }

  .number-item__label {
    font-size: 12px;
  }

  /* ビジュアルブレイク */
  .visual-break {
    height: 50vh;
    min-height: 280px;
  }

  .visual-break__text {
    font-size: 24px;
    letter-spacing: 0.1em;
  }

  /* CTA */
  .cta-section__heading {
    font-size: 24px;
  }

  .cta-section__text {
    font-size: 14px;
  }

  .cta-section__buttons {
    flex-direction: column;
    align-items: center;
    gap: 12px;
  }

  /* 中間CTA */
  .mid-cta {
    padding: 48px 0;
  }

  .mid-cta__text {
    font-size: 17px;
  }

  /* ボタン */
  .btn-primary,
  .btn-outline,
  .btn-light {
    padding: 16px 48px;
    font-size: 11px;
  }

  /* フッター */
  .footer {
    padding: 40px 0;
  }

  .footer__inner {
    flex-direction: column;
    gap: 20px;
    text-align: center;
  }

  .footer__logo {
    height: 20px;
  }

  .footer__links {
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px 20px;
  }

  .footer__link {
    font-size: 12px;
  }

  .footer__copy {
    font-size: 10px;
  }

  /* split */
  .split-section {
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .container,
  .container--narrow {
    padding: 0 16px;
  }

  .header {
    padding: 12px 16px;
  }

  .header.is-scrolled,
  .header--solid {
    padding: 10px 16px;
  }

  .page-hero__title {
    font-size: 28px;
  }

  .page-hero__title--jp {
    font-size: 22px;
  }

  .section-heading {
    font-size: 20px;
  }

  .card-grid--3,
  .card-grid--4 {
    gap: 16px 12px;
  }

  /* 3×3グリッド：小画面 */
  .products-grid-3x3 {
    gap: 16px 12px;
  }
}

/* --- モバイル追従CTA（LP準拠） --- */
.sticky-cta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 998;
  padding: 12px 16px;
  padding-bottom: calc(12px + env(safe-area-inset-bottom));
  background: rgba(26, 26, 26, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 -1px 0 rgba(255, 255, 255, 0.06);
  transform: translateY(100%);
  transition: transform 0.4s ease;
}

.sticky-cta.is-visible {
  transform: translateY(0);
}

.sticky-cta__btn {
  display: block;
  width: 100%;
  text-align: center;
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.35);
  color: #ffffff;
  background: transparent;
  font-family: var(--font-jp-body);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: all 0.3s ease;
}

.sticky-cta__btn:hover {
  background: rgba(255, 255, 255, 0.08);
}

@media (max-width: 768px) {
  .sticky-cta {
    display: block;
  }
}

/* ============================================
   NEW ARRIVALS（新商品のご案内）
============================================ */
.new-arrivals {
  padding: var(--section-padding) 0;
}
.new-arrivals__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}
.new-arrivals__grid--3 {
  grid-template-columns: repeat(3, 1fr);
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}
.na-card {
  display: block;
  text-align: center;
  position: relative;
}
.na-card__image {
  aspect-ratio: 1 / 1.15;
  background: var(--color-bg-alt);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 34px;
  margin-bottom: 24px;
  position: relative;
  overflow: hidden;
}
.na-card__image img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
  transition: transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.na-card:hover .na-card__image img {
  transform: scale(1.05);
}
.na-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.18em;
  padding: 5px 11px;
  z-index: 3;
}
.na-card__category {
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 8px;
}
.na-card__name {
  font-family: var(--font-en);
  font-size: 17px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 6px;
}
.na-card__desc {
  font-size: 12px;
  color: var(--color-grey);
  line-height: 1.7;
}
@media (max-width: 768px) {
  .new-arrivals {
    padding: var(--section-padding-sp) 0;
  }
  .new-arrivals__grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-top: 32px;
  }
  .na-card__image {
    padding: 24px;
    margin-bottom: 16px;
  }
  .na-card__name {
    font-size: 15px;
  }
}