/* =========================================================
   緑韻 -ろくいん- Platycerium Atelier  /  styles.css
   和モダン × ボタニカル EC（テストサイト）
   ========================================================= */

:root {
  /* カラーパレット（デザイン方針より） */
  --sumi:      #2B2A26;  /* 墨染ベース */
  --kinari:    #F4F1EA;  /* 生成りの白 */
  --koke:      #3F5E4E;  /* 苔緑/深緑 */
  --wakaba:    #7C9A6E;  /* 若葉グリーン */
  --kuchiba:   #B0703C;  /* 枯朽の橙茶 */

  --kinari-2:  #ECE7DB;  /* やや沈んだ生成り */
  --line:      #D8D1C2;  /* 細い罫線 */
  --gold:      #B79B5B;  /* 金線あしらい */

  --font-min: "Shippori Mincho B1", "Cormorant Garamond", serif;
  --font-body: "Zen Kaku Gothic New", -apple-system, "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;

  --maxw: 1120px;
}

/* ----- リセット ----- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  color: var(--sumi);
  /* 漆喰・和紙を思わせる微細テクスチャ（外部画像なし） */
  background-color: var(--kinari);
  background-image:
    radial-gradient(rgba(63, 94, 78, 0.025) 1px, transparent 1px),
    radial-gradient(rgba(43, 42, 38, 0.02) 1px, transparent 1px);
  background-size: 22px 22px, 14px 14px;
  background-position: 0 0, 7px 7px;
  -webkit-font-smoothing: antialiased;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--koke); text-decoration: none; transition: color .25s ease; }
a:hover { color: var(--wakaba); }
h1, h2, h3 { font-family: var(--font-min); font-weight: 600; letter-spacing: 0.04em; line-height: 1.5; }
ul, ol { list-style: none; margin: 0; padding: 0; }

/* 数字は欧文数字＋桁揃え */
.price, .info-table, .product-card__spec, .care__no { font-variant-numeric: tabular-nums; }

/* フォーカス可視化（アクセシビリティ） */
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--wakaba);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ----- ボタン ----- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4em;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 0.04em;
  border: 1px solid transparent;
  border-radius: 2px;
  padding: .7em 1.6em;
  cursor: pointer;
  transition: transform .2s ease, background-color .25s ease, color .25s ease, box-shadow .25s ease;
}
.btn--lg { padding: .95em 2.2em; font-size: 1.02rem; }
.btn--cta {  /* 購入導線＝橙茶 */
  background: var(--kuchiba);
  color: #fff;
  box-shadow: 0 6px 16px rgba(176, 112, 60, 0.25);
}
.btn--cta:hover { background: #9c6234; color: #fff; transform: translateY(-2px); }
.btn--ghost {
  background: transparent;
  color: var(--koke);
  border-color: var(--koke);
}
.btn--ghost:hover { background: var(--koke); color: var(--kinari); transform: translateY(-2px); }
.btn--sub {
  background: var(--wakaba);
  color: #fff;
  width: 100%;
}
.btn--sub:hover { background: var(--koke); color:#fff; }

/* =========================================================
   季節特集バナー
   ========================================================= */
.test-bar {
  background: var(--kuchiba);
  color: #fff;
  text-align: center;
  font-weight: 700;
  font-size: .9rem;
  letter-spacing: 0.08em;
  padding: .5em 1rem;
}

.season-banner {
  background: var(--koke);
  color: var(--kinari);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: .6em;
  padding: .55em 1rem;
  font-size: .86rem;
  letter-spacing: 0.04em;
  text-align: center;
}
.season-banner__mark { color: var(--gold); }
.season-banner p { margin: 0; }

/* =========================================================
   ヘッダー / ナビ
   ========================================================= */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(244, 241, 234, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.site-header__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: .7rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1.2rem;
}
.brand { display: flex; align-items: center; gap: .6rem; color: var(--sumi); }
.brand__mark { flex: 0 0 auto; }
.brand__text { display: flex; flex-direction: column; line-height: 1.2; }
.brand__name { font-family: var(--font-min); font-weight: 700; font-size: 1.35rem; letter-spacing: 0.08em; }
.brand__sub { font-size: .62rem; letter-spacing: 0.08em; color: var(--koke); }

.nav { margin-left: auto; }
.nav__list { display: flex; gap: 1.5rem; }
.nav__list a { color: var(--sumi); font-weight: 500; font-size: .95rem; }
.nav__list a:hover { color: var(--wakaba); }
.nav__count { font-size: .72rem; color: var(--koke); border: 1px solid var(--line); border-radius: 2px; padding: 0 .35em; margin-left: .2em; }
.nav__cta { flex: 0 0 auto; }

/* ハンバーガー（モバイルのみ表示） */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 44px; height: 44px;
  background: none; border: none; cursor: pointer;
  margin-left: auto;
  padding: 10px;
}
.nav-toggle span { display: block; height: 2px; background: var(--sumi); border-radius: 2px; transition: transform .3s, opacity .3s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.mobile-nav { border-top: 1px solid var(--line); background: var(--kinari); }
.mobile-nav ul { display: flex; flex-direction: column; padding: .5rem 1.25rem 1.25rem; }
.mobile-nav li { border-bottom: 1px solid var(--line); }
.mobile-nav li:last-child { border-bottom: none; margin-top: 1rem; }
.mobile-nav a:not(.btn) { display: block; padding: .9rem .2rem; color: var(--sumi); font-weight: 500; }
.mobile-nav .btn { width: 100%; }

/* =========================================================
   トップ動画バナー
   ========================================================= */
.video-hero {
  position: relative;
  height: clamp(420px, 78vh, 760px);
  overflow: hidden;
  display: grid;
  place-items: center;
  text-align: center;
  color: #fff;
}
.video-hero__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.video-hero__overlay {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    linear-gradient(180deg, rgba(43,42,38,0.45), rgba(43,42,38,0.25) 45%, rgba(54,83,63,0.6)),
    radial-gradient(120% 80% at 50% 30%, transparent 40%, rgba(43,42,38,0.35));
}
.video-hero__inner {
  position: relative;
  z-index: 2;
  padding: 1.5rem;
  max-width: 760px;
}
.video-hero__en {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: .28em;
  text-transform: uppercase;
  font-size: .9rem;
  margin: 0 0 1rem;
  opacity: 0;
  animation: fadeInUp .9s ease .3s both;
}
.video-hero__title {
  font-family: "Shippori Mincho B1", serif;
  font-weight: 700;
  font-size: clamp(2rem, 5.5vw, 3.6rem);
  line-height: 1.4;
  margin: 0 0 1.1rem;
  text-shadow: 0 4px 24px rgba(0,0,0,0.35);
  opacity: 0;
  animation: fadeInUp 1s ease .5s both;
}
.video-hero__lead {
  font-size: clamp(.95rem, 2vw, 1.1rem);
  line-height: 2;
  margin: 0 0 1.8rem;
  text-shadow: 0 2px 16px rgba(0,0,0,0.4);
  opacity: 0;
  animation: fadeInUp 1s ease .7s both;
}
.video-hero__cta {
  opacity: 0;
  animation: fadeInUp 1s ease .9s both;
}
.video-hero__scroll {
  position: absolute;
  bottom: 1.4rem; left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  font-family: "Cormorant Garamond", serif;
  font-size: .72rem;
  letter-spacing: .25em;
  color: rgba(255,255,255,0.85);
  padding-bottom: 2.4rem;
}
.video-hero__scroll::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 2rem;
  background: rgba(255,255,255,0.7);
  transform: translateX(-50%);
  animation: scrollLine 1.8s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0% { transform: translateX(-50%) scaleY(0); opacity: 0; }
  40% { opacity: 1; }
  100% { transform: translateX(-50%) scaleY(1); opacity: 0; }
}

/* =========================================================
   ヒーロー（世界観優先ゾーン）
   ========================================================= */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 5.5rem) 1.25rem clamp(3rem, 7vw, 6rem);
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: clamp(1.5rem, 4vw, 3.5rem);
}
.hero__art { position: relative; }
.hero__svg, .hero__img {
  width: 100%;
  max-width: 460px;
  margin: 0 auto;
  filter: drop-shadow(0 24px 40px rgba(43, 42, 38, 0.18));
  animation: floaty 7s ease-in-out infinite;
}
.hero__img {
  display: block;
  height: auto;
  border-radius: 16px;
}
@keyframes floaty { 0%,100%{ transform: translateY(0); } 50%{ transform: translateY(-12px); } }

.hero__eyebrow {
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--koke);
  font-size: .8rem;
  margin: 0 0 1rem;
}
.hero__title {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  margin: 0 0 1.2rem;
  line-height: 1.4;
}
.hero__lead { color: #4a4843; margin: 0 0 2rem; font-size: 1.02rem; }
.hero__actions { display: flex; flex-direction: column; align-items: flex-start; gap: 1rem; }

/* =========================================================
   セクション共通見出し
   ========================================================= */
.section-head { text-align: center; margin-bottom: clamp(2rem, 5vw, 3rem); }
.section-head__en {
  display: block;
  font-family: "Cormorant Garamond", serif;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--wakaba);
  font-size: .82rem;
  margin-bottom: .5rem;
}
.section-head__ja {
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  margin: 0;
  position: relative;
  display: inline-block;
  padding-bottom: .6rem;
}
.section-head__ja::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  transform: translateX(-50%);
  width: 48px; height: 2px;
  background: linear-gradient(90deg, transparent, var(--gold), transparent);
}
.section-head__count { font-family: var(--font-body); font-size: .9rem; color: var(--koke); font-weight: 500; }
.section-head__note { max-width: 36em; margin: 1rem auto 0; color: #57544d; font-size: .95rem; }
.section-head--onband .section-head__en { color: rgba(244,241,234,.85); }
.section-head--onband .section-head__ja { color: var(--kinari); }
.section-head--onband .section-head__note { color: rgba(244,241,234,.8); }

/* =========================================================
   About
   ========================================================= */
.about {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem;
  text-align: center;
}
.about__copy { font-size: 1.05rem; color: #3c3a35; margin: 0 auto 2.5rem; max-width: 40em; text-align: left; }
.about__points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
}
.about__points li {
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1.3rem 1rem;
  background: rgba(255,255,255,0.4);
}
.about__points strong {
  display: block;
  font-family: var(--font-min);
  color: var(--koke);
  font-size: 1.1rem;
  margin-bottom: .4rem;
}
.about__points span { font-size: .85rem; color: #57544d; }

/* =========================================================
   商品一覧（実用優先ゾーン）
   ========================================================= */
.products {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem;
}
.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.4rem;
}
.product-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.product-card:hover { transform: translateY(-6px); box-shadow: 0 18px 36px rgba(43,42,38,0.12); }

/* 商品ビジュアル＝CSSグラデ＋インラインSVG（オフライン安全） */
.product-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  background:
    radial-gradient(120% 90% at 50% 18%, rgba(255,255,255,.7), transparent 60%),
    linear-gradient(160deg, var(--media-a, #d7dfcf), var(--media-b, #aebe9d));
  display: flex;
  align-items: flex-end;
  justify-content: center;
  overflow: hidden;
}
.product-card__media svg { width: 70%; height: 92%; filter: drop-shadow(0 14px 16px rgba(43,42,38,0.22)); }

.product-card__badges {
  position: absolute;
  top: .6rem; left: .6rem;
  display: flex; flex-wrap: wrap; gap: .35rem;
  max-width: calc(100% - 1.2rem);
}
.badge {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: .18em .6em;
  border-radius: 2px;
  background: rgba(255,255,255,.9);
  color: var(--koke);
  border: 1px solid rgba(63,94,78,.25);
}
.badge--stock { background: var(--wakaba); color: #fff; border-color: transparent; }
.badge--terra { background: var(--kuchiba); color:#fff; border-color: transparent; }

.product-card__body { padding: 1rem 1.1rem 1.2rem; display: flex; flex-direction: column; flex: 1; }
.product-card__name { font-size: 1.18rem; margin: 0 0 .15rem; }
.product-card__species {
  font-size: .82rem;
  color: var(--koke);
  letter-spacing: 0.03em;
  margin: 0 0 .6rem;
}
.product-card__species em { font-style: normal; } /* 斜体不可ルール */
.product-card__spec { font-size: .82rem; color: #57544d; margin: 0 0 .5rem; }
.product-card__desc { font-size: .88rem; color: #4a4843; line-height: 1.8; margin: 0 0 1rem; }

.product-card__tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .9rem; }
.tag {
  font-size: .7rem;
  color: var(--koke);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: .12em .55em;
}

.product-card__foot { margin-top: auto; }
.price-row { display: flex; align-items: baseline; gap: .4rem; margin-bottom: .2rem; }
.price { font-size: 1.45rem; font-weight: 700; color: var(--sumi); }
.price__tax { font-size: .72rem; color: #57544d; font-weight: 500; }
.product-card__ship { font-size: .74rem; color: var(--koke); margin: 0 0 .8rem; }

/* =========================================================
   育て方ガイド（苔緑帯）
   ========================================================= */
.care {
  background:
    linear-gradient(180deg, rgba(63,94,78,0.96), rgba(54,83,63,0.98)),
    radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: auto, 18px 18px;
  color: var(--kinari);
  padding: clamp(3rem, 7vw, 5rem) 1.25rem;
}
.care__list {
  max-width: 1040px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.1rem;
}
.care__item {
  position: relative;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
  background: rgba(255,255,255,0.055);
  border: 1px solid rgba(255,255,255,0.12);
  border-left: 3px solid var(--gold);
  border-radius: 8px;
  padding: 1.3rem 1.45rem;
  transition: transform .25s ease, background .25s ease, border-color .25s ease;
}
.care__item:hover {
  transform: translateY(-3px);
  background: rgba(255,255,255,0.09);
  border-color: rgba(255,255,255,0.2);
}
.care__icon {
  flex: 0 0 auto;
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: rgba(124,154,110,0.22);
  color: var(--wakaba);
  border: 1px solid rgba(124,154,110,0.4);
}
.care__no {
  font-family: "Cormorant Garamond", serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--gold);
  flex: 0 0 auto;
  line-height: 1;
  margin-top: .35rem;
}
.care__body { flex: 1; }
.care__body h3 {
  color: var(--kinari);
  margin: 0 0 .5rem;
  font-size: 1.14rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .5rem;
}
.care__en {
  font-family: "Cormorant Garamond", serif;
  font-size: .82rem;
  font-weight: 500;
  letter-spacing: .04em;
  color: var(--wakaba);
  text-transform: none;
}
.care__body p { margin: 0; font-size: .92rem; color: rgba(244,241,234,0.88); line-height: 1.85; }
.care__tip {
  margin-top: .7rem !important;
  padding: .6rem .8rem;
  background: rgba(176,112,60,0.14);
  border-radius: 6px;
  font-size: .86rem !important;
  color: rgba(244,241,234,0.95) !important;
}
.care__tag {
  display: inline-block;
  margin-right: .5em;
  padding: .08em .5em;
  background: var(--gold, #b8924e);
  color: var(--sumi);
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .08em;
  border-radius: 3px;
  vertical-align: middle;
}

/* 季節のおせわカレンダー */
.care-season {
  max-width: 1040px;
  margin: clamp(2.5rem, 5vw, 3.5rem) auto 0;
}
.care-season__title {
  text-align: center;
  color: var(--kinari);
  font-size: 1.3rem;
  margin: 0 0 1.4rem;
  letter-spacing: .04em;
}
.care-season__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1rem;
}
.season-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-top: 3px solid var(--wakaba);
  border-radius: 8px;
  padding: 1.1rem 1.2rem;
}
.season-card__season {
  display: block;
  font-family: "Shippori Mincho B1", serif;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--kinari);
  margin-bottom: .7rem;
  padding-bottom: .5rem;
  border-bottom: 1px dashed rgba(255,255,255,0.2);
}
.season-card__season small {
  font-family: "Cormorant Garamond", serif;
  font-size: .8rem;
  font-weight: 500;
  color: var(--wakaba);
  margin-left: .4em;
}
.season-card ul { list-style: none; margin: 0; padding: 0; display: grid; gap: .45rem; }
.season-card li { font-size: .85rem; line-height: 1.6; color: rgba(244,241,234,0.88); }
.season-card li b { color: var(--wakaba); font-weight: 700; }
.care-season__note {
  margin: 1.3rem 0 0;
  text-align: center;
  font-size: .8rem;
  color: rgba(244,241,234,0.6);
}

/* =========================================================
   店舗情報
   ========================================================= */
.shopinfo {
  max-width: 880px;
  margin: 0 auto;
  padding: clamp(2.5rem, 6vw, 4.5rem) 1.25rem;
}
.info-table { margin: 0 0 2rem; border-top: 1px solid var(--line); }
.info-row { display: grid; grid-template-columns: 160px 1fr; border-bottom: 1px solid var(--line); }
.info-row dt {
  font-weight: 500;
  color: var(--koke);
  padding: 1rem 1rem 1rem 0;
  background: linear-gradient(90deg, rgba(63,94,78,0.04), transparent);
}
.info-row dd { margin: 0; padding: 1rem 0; color: #3c3a35; font-size: .95rem; }
.hl-terra { color: var(--kuchiba); }

.trust-badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .8rem;
}
.trust-badges li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .3rem;
  text-align: center;
  font-size: .82rem;
  font-weight: 500;
  color: var(--koke);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 1rem .6rem;
  background: rgba(255,255,255,0.4);
}
.trust-badges span { font-size: 1.4rem; }

/* =========================================================
   フッター
   ========================================================= */
.site-footer { background: var(--sumi); color: rgba(244,241,234,0.82); margin-bottom: 0; }
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2.5rem, 5vw, 3.5rem) 1.25rem 2rem;
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.6fr;
  gap: 2rem;
}
.brand__name--light { color: var(--kinari); }
.site-footer__tag { font-family: var(--font-min); color: var(--wakaba); margin: .6rem 0 .8rem; font-size: 1.02rem; }
.site-footer__desc { font-size: .85rem; line-height: 1.85; margin: 0; }
.site-footer h2 { font-size: .95rem; color: var(--kinari); margin: 0 0 .9rem; font-family: var(--font-body); font-weight: 700; letter-spacing: 0.04em; }
.site-footer__nav a { color: rgba(244,241,234,0.82); font-size: .88rem; line-height: 2.2; }
.site-footer__nav a:hover { color: var(--wakaba); }
.site-footer__legal p { font-size: .82rem; line-height: 1.9; margin: 0; }

.site-footer__bottom {
  border-top: 1px solid rgba(244,241,234,0.14);
  padding: 1.2rem 1.25rem 2rem;
  max-width: var(--maxw);
  margin: 0 auto;
  text-align: center;
}
.site-footer__test { font-size: .76rem; color: rgba(244,241,234,0.6); margin: 0 0 .5rem; }
.site-footer__copy { font-size: .78rem; color: rgba(244,241,234,0.55); margin: 0; font-family: "Cormorant Garamond", serif; letter-spacing: 0.08em; }

/* =========================================================
   モバイル下部タブバー
   ========================================================= */
.tabbar { display: none; }

/* =========================================================
   スクロール フェードイン
   ========================================================= */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .8s cubic-bezier(.22,.61,.36,1), transform .8s cubic-bezier(.22,.61,.36,1); }
.reveal.is-visible { opacity: 1; transform: none; }

/* =========================================================
   全体アニメーション
   ========================================================= */
html { scroll-behavior: smooth; }

/* --- ページ読み込み時の登場演出 --- */
@keyframes fadeDown { from { opacity: 0; transform: translateY(-100%); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: none; } }
@keyframes fadeIn   { from { opacity: 0; } to { opacity: 1; } }
@keyframes zoomIn   { from { opacity: 0; transform: scale(.94); } to { opacity: 1; transform: none; } }

.test-bar { animation: fadeDown .6s ease both; }
.season-banner { animation: fadeDown .7s ease .05s both; }
.site-header { animation: fadeDown .7s ease .1s both; }

.hero__copy > * { opacity: 0; animation: fadeInUp .8s cubic-bezier(.22,.61,.36,1) both; }
.hero__eyebrow { animation-delay: .25s; }
.hero__title   { animation-delay: .38s; }
.hero__lead    { animation-delay: .52s; }
.hero__actions { animation-delay: .66s; }
.hero__art { opacity: 0; animation: zoomIn 1s cubic-bezier(.22,.61,.36,1) .2s both; }

/* --- スクロール表示の子要素スタッガー（時間差） --- */
.reveal .product-card,
.reveal .care__item,
.reveal .season-card,
.reveal .about__point,
.reveal .trust-badges li {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .6s cubic-bezier(.22,.61,.36,1), transform .6s cubic-bezier(.22,.61,.36,1);
}
.reveal.is-visible .product-card,
.reveal.is-visible .care__item,
.reveal.is-visible .season-card,
.reveal.is-visible .about__point,
.reveal.is-visible .trust-badges li {
  opacity: 1;
  transform: none;
}
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(1) { transition-delay: .05s; }
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(2) { transition-delay: .13s; }
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(3) { transition-delay: .21s; }
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(4) { transition-delay: .29s; }
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(5) { transition-delay: .37s; }
.reveal.is-visible :is(.product-card, .care__item, .season-card, .about__point, .trust-badges li):nth-child(6) { transition-delay: .45s; }

/* --- 見出しの英字ラベルにアンダーラインを描く --- */
.section-head__en { position: relative; display: inline-block; }
.section-head__en::after {
  content: "";
  position: absolute;
  left: 50%; bottom: -.45em;
  width: 0; height: 2px;
  background: var(--wakaba);
  transform: translateX(-50%);
  transition: width .7s ease .2s;
}
.reveal.is-visible .section-head__en::after,
.care.is-visible .section-head__en::after { width: 2.2em; }

/* --- ナビ：下線スライド --- */
.nav__list a { position: relative; }
.nav__list a::after {
  content: "";
  position: absolute;
  left: 0; bottom: -4px;
  width: 100%; height: 2px;
  background: var(--wakaba);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s ease;
}
.nav__list a:hover::after { transform: scaleX(1); transform-origin: left; }

/* --- ボタン：ホバーで光沢が流れる --- */
.btn { position: relative; overflow: hidden; }
.btn::before {
  content: "";
  position: absolute;
  top: 0; left: -120%;
  width: 60%; height: 100%;
  background: linear-gradient(100deg, transparent, rgba(255,255,255,.45), transparent);
  transform: skewX(-20deg);
  transition: left .6s ease;
  pointer-events: none;
}
.btn:hover::before { left: 140%; }
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

/* --- 商品ビジュアル：ホバーでズーム＋バッジ浮き --- */
.product-card__media svg { transition: transform .5s cubic-bezier(.22,.61,.36,1); }
.product-card:hover .product-card__media svg { transform: scale(1.08) translateY(-4px); }
.product-card__badges .badge { transition: transform .3s ease; }
.product-card:hover .product-card__badges .badge { transform: translateY(-2px); }

/* --- ブランドロゴ：ホバーで葉がゆれる --- */
.brand__mark svg { transition: transform .5s ease; transform-origin: 50% 90%; }
.brand:hover .brand__mark svg { transform: rotate(-6deg) scale(1.06); }

/* --- タブバー／タグの軽い反応 --- */
.tabbar a { transition: color .25s ease, transform .25s ease; }
.tabbar a:hover { color: var(--wakaba); transform: translateY(-2px); }
.tag { transition: background .25s ease, color .25s ease, transform .25s ease; }
.tag:hover { transform: translateY(-1px); }

/* =========================================================
   レスポンシブ
   ========================================================= */
@media (max-width: 900px) {
  .product-grid { grid-template-columns: repeat(2, 1fr); }
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
  .care__list { grid-template-columns: 1fr; }
  .care-season__grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 760px) {
  .nav, .nav__cta { display: none; }
  .nav-toggle { display: flex; }
  .site-header__inner { gap: .6rem; }

  .hero { grid-template-columns: 1fr; text-align: center; }
  .hero__art { order: -1; }
  .hero__svg, .hero__img { max-width: 280px; }
  .hero__actions { align-items: center; }

  .about__points { grid-template-columns: 1fr; }
  .trust-badges { grid-template-columns: repeat(2, 1fr); }
  .care-season__grid { grid-template-columns: 1fr; }

  .info-row { grid-template-columns: 1fr; }
  .info-row dt { padding-bottom: 0; background: none; }
  .info-row dd { padding-top: .3rem; }

  /* モバイルは下部固定タブバー */
  .tabbar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 60;
    background: rgba(244,241,234,0.97);
    backdrop-filter: blur(8px);
    border-top: 1px solid var(--line);
  }
  .tabbar a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    padding: .5rem 0 .55rem;
    font-size: .68rem;
    color: var(--sumi);
    font-weight: 500;
  }
  .tabbar span { font-size: 1.1rem; }
  main { padding-bottom: 64px; } /* タブバー分の余白 */
}

@media (max-width: 420px) {
  body { font-size: 14px; }
  .product-grid { gap: .8rem; }
  .product-card__body { padding: .8rem .8rem 1rem; }
  .price { font-size: 1.25rem; }
}

/* モーション低減の配慮 */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

/* =========================================================
   商品詳細ページ（PDP）
   ========================================================= */
.pdp-wrap {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(1.2rem, 3vw, 2rem) 1.25rem clamp(3rem, 6vw, 5rem);
  animation: fadeIn .6s ease both;
}
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  font-size: .82rem;
  color: rgba(43,42,38,0.6);
  margin-bottom: 1.6rem;
}
.breadcrumb a { color: var(--koke); }
.breadcrumb a:hover { color: var(--wakaba); }
.breadcrumb span[aria-current] { color: var(--sumi); font-weight: 500; }

.pdp-top {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: clamp(1.5rem, 4vw, 3rem);
  align-items: start;
}

/* --- ギャラリー --- */
.pdp-gallery__main {
  position: relative;
  aspect-ratio: 1 / 1;
  border-radius: 12px;
  overflow: hidden;
  background:
    radial-gradient(120% 90% at 50% 18%, rgba(255,255,255,.7), transparent 60%),
    linear-gradient(160deg, var(--media-a, #d7dfcf), var(--media-b, #aebe9d));
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
}
.pdp-gallery__art {
  width: 72%;
  transition: transform .45s cubic-bezier(.22,.61,.36,1);
}
.pdp-gallery__art svg { width: 100%; height: auto; filter: drop-shadow(0 16px 22px rgba(43,42,38,0.22)); }
.pdp-gallery__badges {
  position: absolute;
  top: .8rem; left: .8rem;
  display: flex; flex-wrap: wrap; gap: .4rem;
  z-index: 2;
}
.pdp-gallery__thumbs {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: .6rem;
  margin-top: .8rem;
}
.pdp-thumb {
  position: relative;
  aspect-ratio: 1 / 1;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  cursor: pointer;
  background:
    radial-gradient(120% 90% at 50% 18%, rgba(255,255,255,.6), transparent 60%),
    linear-gradient(160deg, var(--media-a, #d7dfcf), var(--media-b, #aebe9d));
  display: grid;
  place-items: center;
  padding: 0;
  transition: border-color .25s ease, transform .25s ease;
}
.pdp-thumb:hover { transform: translateY(-2px); }
.pdp-thumb.is-active { border-color: var(--koke); box-shadow: 0 0 0 2px var(--koke) inset; }
.pdp-thumb__art { width: 64%; }
.pdp-thumb__art svg { width: 100%; height: auto; }
.pdp-thumb__label {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  font-size: .66rem;
  text-align: center;
  background: rgba(43,42,38,0.55);
  color: #fff;
  padding: .15em 0;
}
.pdp-gallery__note {
  margin: .8rem 0 0;
  font-size: .76rem;
  color: rgba(43,42,38,0.5);
}

/* --- 情報パネル --- */
.pdp-tags { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .8rem; }
.pdp-name {
  font-family: "Shippori Mincho B1", serif;
  font-size: clamp(1.6rem, 4vw, 2.3rem);
  line-height: 1.4;
  margin: 0 0 .4rem;
  color: var(--sumi);
}
.pdp-species { margin: 0 0 1.1rem; color: var(--koke); font-size: .95rem; }
.pdp-species em { font-style: normal; }
.pdp-price-row {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: .5rem .7rem;
  padding: 1rem 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  margin-bottom: 1.1rem;
}
.pdp-price { font-size: 1.9rem; }
.pdp-stock {
  margin-left: auto;
  font-size: .82rem;
  font-weight: 700;
  padding: .25em .8em;
  border-radius: 999px;
}
.pdp-stock--in { background: rgba(124,154,110,0.18); color: var(--koke); }
.pdp-stock--out { background: rgba(43,42,38,0.08); color: rgba(43,42,38,0.6); }
.pdp-lead { margin: 0 0 1.2rem; line-height: 1.95; }
.pdp-quickspec {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .6rem;
  margin: 0 0 1.4rem;
}
.pdp-quickspec div {
  background: var(--kinari-2);
  border-radius: 8px;
  padding: .7rem .8rem;
}
.pdp-quickspec dt { font-size: .72rem; color: rgba(43,42,38,0.55); margin-bottom: .25rem; }
.pdp-quickspec dd { margin: 0; font-size: .86rem; font-weight: 500; }
.pdp-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-bottom: 1.4rem; }
.pdp-cta.is-done { background: var(--koke); cursor: default; }
.pdp-trust {
  list-style: none; margin: 0; padding: 1rem 0 0;
  border-top: 1px dashed var(--line);
  display: grid; gap: .5rem;
}
.pdp-trust li { font-size: .85rem; color: rgba(43,42,38,0.8); display: flex; gap: .5rem; align-items: center; }

/* --- 詳細ブロック --- */
.pdp-details {
  max-width: 860px;
  margin: clamp(2.5rem, 6vw, 4rem) auto 0;
  display: grid;
  gap: clamp(2rem, 4vw, 2.8rem);
}
.pdp-block__title {
  font-family: "Shippori Mincho B1", serif;
  font-size: 1.3rem;
  color: var(--sumi);
  margin: 0 0 1rem;
  padding-bottom: .5rem;
  border-bottom: 2px solid var(--koke);
  display: inline-block;
}
.pdp-longdesc { margin: 0; line-height: 2; }
.pdp-spec { width: 100%; border-collapse: collapse; font-size: .9rem; }
.pdp-spec th, .pdp-spec td { text-align: left; padding: .7rem .9rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.pdp-spec th { width: 32%; background: var(--kinari-2); font-weight: 700; color: var(--koke); white-space: nowrap; }
.pdp-spec em { font-style: normal; }
.pdp-care { margin: 0; padding-left: 1.1rem; display: grid; gap: .55rem; }
.pdp-care li { line-height: 1.8; }
.pdp-care b { color: var(--koke); }
.pdp-care__link { margin: 1rem 0 0; }
.pdp-care__link a { font-weight: 700; }

/* --- 関連商品 --- */
.pdp-related { max-width: 1040px; margin: clamp(2.5rem, 6vw, 4rem) auto 0; }
.pdp-related__title { display: block; text-align: center; border: none; }
.pdp-related__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
.pdp-rel-card {
  display: flex; flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  transition: transform .3s ease, box-shadow .3s ease;
}
.pdp-rel-card:hover { transform: translateY(-5px); box-shadow: 0 16px 30px rgba(43,42,38,0.12); }
.pdp-rel-card__media {
  aspect-ratio: 4 / 3;
  display: grid; place-items: center;
  background:
    radial-gradient(120% 90% at 50% 18%, rgba(255,255,255,.7), transparent 60%),
    linear-gradient(160deg, var(--media-a, #d7dfcf), var(--media-b, #aebe9d));
}
.pdp-rel-card__media svg { width: 56%; height: auto; filter: drop-shadow(0 10px 14px rgba(43,42,38,0.2)); }
.pdp-rel-card__name { padding: .9rem 1rem .2rem; font-weight: 700; color: var(--sumi); }
.pdp-rel-card__price { padding: 0 1rem 1rem; color: var(--koke); font-weight: 700; }
.pdp-rel-card__price small { font-weight: 400; font-size: .72rem; }

/* --- 見つからない --- */
.pdp-empty { text-align: center; padding: clamp(3rem, 8vw, 6rem) 1rem; }
.pdp-empty h1 { font-family: "Shippori Mincho B1", serif; margin: 0 0 1rem; }
.pdp-empty p { color: rgba(43,42,38,0.7); margin: 0 0 1.6rem; }

@media (max-width: 760px) {
  .pdp-top { grid-template-columns: 1fr; }
  .pdp-related__grid { grid-template-columns: 1fr; }
  .pdp-stock { margin-left: 0; }
}