@charset "UTF-8";

/* ============================================================
   PRODUCT 詳細ページ（上＝購入ヒーロー / 以降＝全幅で縦に読み進める）
   ============================================================ */

/* ---- 購入ヒーロー（画像 + 購入情報） ---- */
.product-hero { margin: 0px auto 0px auto; }
.product-hero__media { display: flex; justify-content: center; }
.product-hero__media img { display: block; width: 100%; max-width: 420px; border-radius: 16px; box-shadow: 0px 16px 48px rgba(60, 70, 120, 0.10); background: #ffffff; }
.product-hero__cat { display: inline-block; font-family: "Cinzel", serif; letter-spacing: 0.08em; color: #8a90a0; }
.product-hero__title { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; line-height: 1.5; }
.product-hero__price { font-family: "Cinzel", serif; font-weight: 600; color: #11192f; }
.product-hero__price span { font-family: "Noto Sans JP", sans-serif; font-weight: 400; color: #8a90a0; }
.product-hero__catch { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; }
.product-hero__lead p { color: #444b5e; }

/* 右側情報を各要素ごとに個別フェードイン（CONCEPT/MESSAGE と同様の時間差）*/
.product-hero__info > .fade-in:nth-child(2) { transition-delay: 0.08s; }
.product-hero__info > .fade-in:nth-child(3) { transition-delay: 0.16s; }
.product-hero__info > .fade-in:nth-child(4) { transition-delay: 0.24s; }
.product-hero__info > .fade-in:nth-child(5) { transition-delay: 0.32s; }
.product-hero__info > .fade-in:nth-child(6) { transition-delay: 0.40s; }

/* ---- 中央寄せセクション（説明 + スペック） ---- */
.product-section--tint { background: #f3f1fa; }
.product-section__inner { margin: 0px auto 0px auto; }
.product-section__title { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; text-align: center; }
.product-desc p { color: #444b5e; }

.product-spec { border-top: 1px solid #dfe1ec; }
.product-spec__row { display: grid; border-bottom: 1px solid #dfe1ec; }
.product-spec dt { font-family: "Noto Sans JP", sans-serif; font-weight: 700; color: #11192f; }
.product-spec dd { color: #444b5e; }

/* ---- 特徴（5役 / 成分）縦並びカード ---- */
.product-feature--tint { background: #f3f1fa; }
.product-feature__inner { margin: 0px auto 0px auto; }
.product-feature__title { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; text-align: center; }
.product-feature__num { font-size: 1.8em; line-height: 1; font-weight: 700; background: linear-gradient(135deg, #ad4ea7 0%, #8e61b6 50%, #24abff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; padding: 0px 4px 0px 4px; }
.product-feature__num--rose { background: linear-gradient(135deg, #ff9a5a 0%, #e8568f 100%); -webkit-background-clip: text; background-clip: text; }

/* ---- 重要箇所マーカー（スクロールで左→右に伸びるハイライト下線）---- */
.u-mark { background-image: linear-gradient(120deg, rgba(173, 78, 167, 0.32) 0%, rgba(142, 97, 182, 0.30) 50%, rgba(36, 171, 255, 0.30) 100%); background-repeat: no-repeat; background-position: left bottom; background-size: 0% 0.55em; transition: background-size 1s cubic-bezier(0.5, 0.15, 0.2, 1) 0.3s; padding: 0px 3px 0px 3px; -webkit-box-decoration-break: clone; box-decoration-break: clone; }
.is-visible .u-mark { background-size: 100% 0.55em; }
.product-feature--tint .u-mark { background-image: linear-gradient(120deg, rgba(255, 154, 90, 0.34) 0%, rgba(232, 86, 143, 0.32) 100%); }
@media (prefers-reduced-motion: reduce) { .u-mark { transition: none; background-size: 100% 100%; } }
.product-feature__list { display: grid; grid-template-columns: 1fr; }
.product-feature__item { border-bottom: 1px solid #dfe1ec; }
.product-feature__item:last-child { border-bottom: none; }
.product-feature__en { font-family: "Cinzel", serif; font-weight: 600; letter-spacing: 0.06em; background: linear-gradient(135deg, #ad4ea7 0%, #8e61b6 50%, #24abff 100%); -webkit-background-clip: text; background-clip: text; color: transparent; }
.product-feature__name { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; }
.product-feature__item p { color: #444b5e; }

/* ---- セクション冒頭のビジュアルバナー（5役 / 9種成分） ---- */
.product-banner { max-width: 860px; margin: 0px auto 0px auto; }
.product-banner img { display: block; width: 100%; height: auto; border-radius: 16px; box-shadow: 0px 16px 40px rgba(17, 25, 47, 0.10); }

/* ---- 使い方（番号カードを縦に積み、矢印でつなぐステップフロー） ---- */
.product-howto__inner { margin: 0px auto 0px auto; }
.product-howto__head { text-align: center; }
.product-howto__head .section-label { display: block; }
.howto-flow { display: flex; flex-direction: column; }
.howto-step { position: relative; display: grid; grid-template-columns: auto 1fr; align-items: center; background: #ffffff; border: 1px solid #e3def0; border-radius: 14px; box-shadow: 0px 10px 30px rgba(60, 70, 120, 0.06); }
/* ステップ間をつなぐグラデ円＋下向きシェブロン（グリーン系：ライム→緑→ティールでハッキリ） */
.howto-step:not(:last-child)::after { content: ""; position: absolute; left: 50%; transform: translateX(-50%); border-radius: 50%; background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") center / 56% 56% no-repeat, linear-gradient(135deg, #7ed957 0%, #34b07a 48%, #11a3a3 100%); box-shadow: 0px 6px 16px rgba(17, 163, 163, 0.28); }
.howto-step__num { font-family: "Cinzel", serif; font-weight: 600; line-height: 1; background: linear-gradient(135deg, #7ed957 0%, #34b07a 48%, #11a3a3 100%); -webkit-background-clip: text; background-clip: text; color: transparent; text-align: center; }
.howto-step__title { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; }
/* 見出しマーカーもグリーン系に統一（ライム→ティール） */
.product-howto .u-mark { background-image: linear-gradient(120deg, rgba(126, 217, 87, 0.34) 0%, rgba(17, 163, 163, 0.28) 100%); }
.howto-step__text { color: #444b5e; }
.howto-step__note { color: #6b7286; }
.howto-step__strong { font-family: "Zen Old Mincho", serif; font-weight: 600; color: #11192f; }
.howto-step.fade-in:nth-child(2) { transition-delay: 0.08s; }
.howto-step.fade-in:nth-child(3) { transition-delay: 0.16s; }
.howto-step.fade-in:nth-child(4) { transition-delay: 0.24s; }
.howto-step.fade-in:nth-child(5) { transition-delay: 0.32s; }
/* 矢印（円シェブロン）は各ステップの後に、ひと呼吸おいてバラバラにフェードイン＆ドロップイン */
.howto-step:not(:last-child)::after { opacity: 0; transform: translateX(-50%) translateY(-8px); transition: opacity 0.55s ease-out, transform 0.55s ease-out; transition-delay: 0.30s; }
.howto-step.is-visible:not(:last-child)::after { opacity: 1; transform: translateX(-50%) translateY(0px); }
.howto-step.is-visible:nth-child(2):not(:last-child)::after { transition-delay: 0.38s; }
.howto-step.is-visible:nth-child(3):not(:last-child)::after { transition-delay: 0.46s; }
.howto-step.is-visible:nth-child(4):not(:last-child)::after { transition-delay: 0.54s; }

/* 使い方の下に置く製品ビジュアル（Amazon 動画へのリンクサムネイル） */
.howto-figure { margin: 0px auto; text-align: center; }
.howto-figure__link { position: relative; display: block; border-radius: 16px; overflow: hidden; box-shadow: 0px 16px 40px rgba(17, 25, 47, 0.10); transition: transform 0.4s ease-out, box-shadow 0.4s ease-out; }
.howto-figure__link:hover { transform: translateY(-4px); box-shadow: 0px 22px 52px rgba(17, 25, 47, 0.18); }
.howto-figure__img { display: block; width: 100%; height: auto; margin: 0px auto; }
/* 中央の再生バッジ（白円＋グリーン三角） */
.howto-figure__play { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); width: 68px; height: 68px; border-radius: 50%; background: rgba(255, 255, 255, 0.92); box-shadow: 0px 8px 24px rgba(17, 25, 47, 0.28); transition: transform 0.4s ease-out, background 0.4s ease-out; }
.howto-figure__play::before { content: ""; position: absolute; top: 50%; left: 54%; transform: translate(-50%, -50%); border-style: solid; border-width: 12px 0px 12px 20px; border-color: transparent transparent transparent #11a3a3; }
.howto-figure__link:hover .howto-figure__play { transform: translate(-50%, -50%) scale(1.08); background: #ffffff; }
.howto-figure__caption { font-family: "Zen Old Mincho", serif; color: #6b7286; }

/* 商品について / 特徴 の各要素を個別フェードイン（CONCEPT/MESSAGE と同様の時間差）*/
.product-desc p.fade-in:nth-of-type(2) { transition-delay: 0.08s; }
.product-desc p.fade-in:nth-of-type(3) { transition-delay: 0.16s; }
.product-desc p.fade-in:nth-of-type(4) { transition-delay: 0.24s; }
.product-feature__item.fade-in:nth-child(2) { transition-delay: 0.08s; }
.product-feature__item.fade-in:nth-child(3) { transition-delay: 0.16s; }
.product-feature__item.fade-in:nth-child(4) { transition-delay: 0.24s; }
.product-feature__item.fade-in:nth-child(5) { transition-delay: 0.32s; }

/* ============================================================
   PC（min-width: 768px）
   ============================================================ */
@media (min-width: 768px) {
  .product-hero { max-width: 1200px; padding: 64px 40px 80px 40px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 0px 72px; align-items: center; }
  .product-hero__cat { font-size: 12px; margin: 0px 0px 16px 0px; }
  .product-hero__title { font-size: 30px; margin: 0px 0px 20px 0px; }
  .product-hero__price { font-size: 30px; margin: 0px 0px 24px 0px; }
  .product-hero__price span { font-size: 14px; margin: 0px 0px 0px 8px; }
  .product-hero__catch { font-size: 20px; line-height: 1.6; margin: 0px 0px 24px 0px; }
  .product-hero__lead p { font-size: 15px; line-height: 2; margin: 0px 0px 16px 0px; }

  .product-section { padding: 96px 40px 96px 40px; }
  .product-section__inner { max-width: 860px; }
  .product-section__title { font-size: 30px; margin: 0px 0px 40px 0px; }
  .product-desc { margin: 0px 0px 40px 0px; }
  .product-desc p { font-size: 15px; line-height: 2.1; margin: 0px 0px 20px 0px; }
  .product-spec__row { grid-template-columns: 160px 1fr; gap: 0px 24px; padding: 18px 0px 18px 0px; }
  .product-spec dt { font-size: 14px; line-height: 1.9; }
  .product-spec dd { font-size: 14px; line-height: 1.9; }

  .product-feature { padding: 96px 40px 96px 40px; }
  .product-feature__inner { max-width: 860px; }
  .product-feature__title { font-size: 28px; margin: 0px 0px 40px 0px; }
  .product-banner { margin: 0px auto 56px auto; }
  .product-feature__list { gap: 0px; }
  .product-feature__item { padding: 36px 0px 36px 0px; }
  .product-feature__item .product-feature__en { font-size: 24px; line-height: 1.3; margin: 0px 0px 10px 0px; }
  .product-feature__item .product-feature__name { font-size: 16px; margin: 0px 0px 20px 0px; }
  .product-feature__item p { font-size: 15px; line-height: 1.95; }

  .product-howto { padding: 96px 40px 96px 40px; }
  .product-howto__inner { max-width: 760px; }
  .product-howto__head { margin: 0px 0px 48px 0px; }
  .product-howto__head .section-label { font-size: 13px; margin: 0px 0px 12px 0px; }
  .product-howto__head .section-title { font-size: 30px; }
  .howto-flow { gap: 72px 0px; }
  .howto-step { grid-template-columns: 104px 1fr; gap: 0px 8px; padding: 28px 36px 28px 24px; }
  .howto-step:not(:last-child)::after { bottom: -54px; width: 36px; height: 36px; }
  .howto-step__num { font-size: 40px; }
  .howto-step__title { font-size: 19px; line-height: 1.6; margin: 0px 0px 10px 0px; }
  .howto-step__text { font-size: 15px; line-height: 1.9; }
  .howto-step__note { font-size: 14px; line-height: 1.85; }
  .howto-figure { max-width: 360px; margin: 72px auto 0px auto; }
  .howto-figure__caption { font-size: 14px; margin: 18px 0px 0px 0px; }
}

/* ============================================================
   SP（max-width: 767px）
   ============================================================ */
@media (max-width: 767px) {
  .product-hero { padding: 40px 24px 56px 24px; display: block; }
  .product-hero__media { margin: 32px 0px 32px 0px; }
  .product-hero__cat { font-size: 11px; margin: 0px 0px 12px 0px; }
  .product-hero__title { font-size: 24px; margin: 0px 0px 16px 0px; }
  .product-hero__price { font-size: 26px; margin: 0px 0px 16px 0px; }
  .product-hero__price span { font-size: 13px; margin: 0px 0px 0px 8px; }
  .product-hero__catch { font-size: 18px; line-height: 1.6; margin: 0px 0px 20px 0px; }
  .product-hero__lead p { font-size: 14px; line-height: 1.95; margin: 0px 0px 16px 0px; }

  .product-section { padding: 64px 24px 64px 24px; }
  .product-section__inner { max-width: 100%; }
  .product-section__title { font-size: 24px; margin: 0px 0px 32px 0px; }
  .product-desc { margin: 0px 0px 32px 0px; }
  .product-desc p { font-size: 14px; line-height: 1.95; margin: 0px 0px 16px 0px; }
  .product-spec__row { grid-template-columns: 1fr; gap: 8px 0px; padding: 16px 0px 16px 0px; }
  .product-spec dt { font-size: 13px; line-height: 1.8; }
  .product-spec dd { font-size: 14px; line-height: 1.8; }

  .product-feature { padding: 64px 24px 64px 24px; }
  .product-feature__inner { max-width: 100%; }
  .product-feature__title { font-size: 20px; margin: 0px 0px 32px 0px; }
  .product-banner { margin: 0px auto 40px auto; }
  .product-feature__list { gap: 0px; }
  .product-feature__item { padding: 28px 0px 28px 0px; }
  .product-feature__item .product-feature__en { font-size: 20px; line-height: 1.3; margin: 0px 0px 8px 0px; }
  .product-feature__item .product-feature__name { font-size: 15px; margin: 0px 0px 16px 0px; }
  .product-feature__item p { font-size: 14px; line-height: 1.9; }

  .product-howto { padding: 64px 24px 64px 24px; }
  .product-howto__inner { max-width: 100%; }
  .product-howto__head { margin: 0px 0px 36px 0px; }
  .product-howto__head .section-label { font-size: 11px; margin: 0px 0px 10px 0px; }
  .product-howto__head .section-title { font-size: 24px; }
  .howto-flow { gap: 56px 0px; }
  .howto-step { grid-template-columns: 56px 1fr; gap: 0px 12px; align-items: start; padding: 22px 20px 22px 16px; }
  .howto-step:not(:last-child)::after { bottom: -44px; width: 32px; height: 32px; }
  .howto-step__num { font-size: 28px; padding: 4px 0px 0px 0px; }
  .howto-step__title { font-size: 17px; line-height: 1.55; margin: 0px 0px 8px 0px; }
  .howto-step__text { font-size: 14px; line-height: 1.85; }
  .howto-step__note { font-size: 13px; line-height: 1.8; }
  .howto-figure { max-width: 280px; margin: 56px auto 0px auto; }
  .howto-figure__caption { font-size: 13px; margin: 14px 0px 0px 0px; }
}