/* ==========================================================
   solne 公式サイト 共通スタイル
   カラー・フォントの正: brand_assets/README.md
   ========================================================== */

:root {
  --bg:         #ece6db;
  --paper:      #fffdf9;
  --cream:      #f7f3ea;
  --line:       #ece3d3;
  --ink:        #2b2925;
  --ink-strong: #1f1d19;
  --ink-soft:   #8a8276;
  --ink-soft-2: #726c62;
  --accent:     #a8957a;
  --drop-dark:  #c8bb9d;
  --drop-light: #d3c7ad;

  --font-serif: "Cormorant Garamond", "Times New Roman", serif;
  --font-sans:  "Noto Sans JP", "Hiragino Kaku Gothic ProN", sans-serif;

  --max-w: 1140px;
  --max-w-text: 720px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 2.0;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

::selection { background: var(--drop-light); color: var(--ink-strong); }

/* ---------- 汎用 ---------- */

.wrap {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
}

.wrap--text { max-width: var(--max-w-text); }

.eyebrow {
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 22px;
}

h1, h2, h3 { font-weight: 500; color: var(--ink-strong); }

.h-serif { font-family: var(--font-serif); font-weight: 500; }

.lead {
  color: var(--ink-soft-2);
  font-size: 15px;
  line-height: 2.2;
}

.mark-divider {
  display: flex;
  justify-content: center;
  padding: 8px 0;
}
.mark-divider img { width: 44px; opacity: 0.75; }

.btn {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.14em;
  padding: 15px 42px;
  border: 1px solid var(--ink);
  color: var(--ink-strong);
  background: transparent;
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-sans);
  transition: background .3s ease, color .3s ease, border-color .3s ease;
}
.btn:hover { background: var(--ink-strong); color: var(--paper); border-color: var(--ink-strong); }

.btn--solid {
  background: var(--ink-strong);
  color: var(--paper);
  border-color: var(--ink-strong);
}
.btn--solid:hover { background: #3d3a33; border-color: #3d3a33; }

.btn--wide { width: 100%; text-align: center; }

.btn--quiet {
  border-color: var(--accent);
  color: var(--ink-soft-2);
  padding: 12px 34px;
  font-size: 13px;
}
.btn--quiet:hover { background: var(--accent); color: var(--paper); border-color: var(--accent); }

/* ---------- 告知バー ---------- */

.notice-bar {
  background: var(--ink-strong);
  color: var(--cream);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-align: center;
  padding: 9px 16px;
  line-height: 1.7;
}
.notice-bar a { text-decoration: underline; text-underline-offset: 3px; }

/* ---------- ヘッダー ---------- */

.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
}

.site-header__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.site-header__logo img { width: 108px; }

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

.site-nav a {
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink-soft-2);
  transition: color .25s ease;
  line-height: 1;
  padding: 8px 0;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--ink-strong); }

.header-cart {
  position: relative;
  font-family: var(--font-serif);
  font-size: 13px;
  letter-spacing: 0.22em;
  color: var(--ink-soft-2);
}
.header-cart:hover { color: var(--ink-strong); }
.cart-count {
  display: inline-block;
  min-width: 18px;
  text-align: center;
  font-family: var(--font-sans);
  font-size: 11px;
  line-height: 18px;
  background: var(--accent);
  color: var(--paper);
  border-radius: 50%;
  margin-left: 4px;
  vertical-align: 2px;
}
.cart-count:empty { display: none; }

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
  color: var(--ink);
}
.nav-toggle span {
  display: block;
  width: 22px;
  height: 1px;
  background: currentColor;
  margin: 6px 0;
  transition: transform .3s ease, opacity .3s ease;
}

/* ---------- フッター ---------- */

.site-footer {
  background: var(--cream);
  border-top: 1px solid var(--line);
  margin-top: 160px;
}

.footer-line {
  padding: 96px 0 72px;
  text-align: center;
}
.footer-line__mark { width: 52px; margin: 0 auto 28px; opacity: .8; }
.footer-line__text {
  font-size: 14px;
  color: var(--ink-soft-2);
  line-height: 2.4;
}
.footer-line .btn { margin-top: 34px; }

.site-footer__main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px 72px;
  display: flex;
  flex-wrap: wrap;
  gap: 56px;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  padding-top: 64px;
}

.site-footer__brand img { width: 96px; margin-bottom: 20px; }
.site-footer__brand p {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 2.2;
}

.footer-nav { display: flex; gap: 64px; flex-wrap: wrap; }
.footer-nav h4 {
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.26em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 18px;
  font-weight: 500;
}
.footer-nav ul { list-style: none; }
.footer-nav li { margin-bottom: 10px; }
.footer-nav a { font-size: 13px; color: var(--ink-soft-2); }
.footer-nav a:hover { color: var(--ink-strong); }

.site-footer__legal {
  text-align: center;
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-soft);
  padding: 28px 16px;
  border-top: 1px solid var(--line);
}

/* ---------- ヒーロー（HOME） ---------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: 130px 0 150px;
}

.hero__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 48px;
  align-items: center;
}

.hero__copy h1 {
  font-size: clamp(26px, 3.4vw, 38px);
  line-height: 2.0;
  letter-spacing: 0.08em;
  margin-bottom: 34px;
}

.hero__copy .hero__sub {
  color: var(--ink-soft-2);
  font-size: 15px;
  line-height: 2.4;
  margin-bottom: 48px;
}

.hero__cta { display: flex; gap: 18px; flex-wrap: wrap; align-items: center; }

.hero__img { position: relative; }
.hero__img img { width: 82%; margin: 0 auto; }

.blob {
  position: absolute;
  border-radius: 47% 53% 55% 45% / 52% 46% 54% 48%;
  z-index: -1;
  opacity: .5;
}
.blob--1 { width: 420px; height: 400px; background: var(--drop-light); top: -60px; right: -90px; }
.blob--2 { width: 180px; height: 170px; background: var(--drop-dark); bottom: 30px; left: 4%; opacity: .35; }

/* ---------- セクション共通 ---------- */

.section { padding: 150px 0 0; }
.section--cream { background: var(--cream); padding: 150px 0; margin-top: 150px; }
.section--cream + .section { padding-top: 150px; }

.section-head { text-align: center; margin-bottom: 80px; }
.section-head h2 {
  font-size: clamp(21px, 2.6vw, 27px);
  letter-spacing: 0.14em;
  line-height: 2.0;
}
.section-head .eyebrow { margin-bottom: 16px; }

/* ---------- コンセプトブロック ---------- */

.concept {
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.concept h2 {
  font-size: clamp(22px, 2.8vw, 30px);
  letter-spacing: 0.16em;
  line-height: 2.1;
  margin-bottom: 44px;
}
.concept p {
  color: var(--ink-soft-2);
  font-size: 15px;
  line-height: 2.6;
}
.concept p + p { margin-top: 28px; }

/* ---------- 商品カード ---------- */

.product-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}

.product-card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow .35s ease, transform .35s ease;
}
.product-card:hover {
  box-shadow: 0 14px 40px rgba(43, 41, 37, .08);
  transform: translateY(-3px);
}

.product-card__img {
  background: var(--cream);
  padding: 40px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  height: 300px;
}
.product-card__img img { max-height: 100%; width: auto; object-fit: contain; }

.product-card__body { padding: 30px 30px 36px; flex: 1; display: flex; flex-direction: column; }
.product-card__name {
  font-family: var(--font-serif);
  font-size: 19px;
  letter-spacing: 0.1em;
  margin-bottom: 6px;
}
.product-card__role { font-size: 12px; color: var(--ink-soft); letter-spacing: 0.14em; margin-bottom: 16px; }
.product-card__desc { font-size: 13px; color: var(--ink-soft-2); line-height: 2.1; margin-bottom: 22px; flex: 1; }
.product-card__price { font-size: 15px; color: var(--ink-strong); letter-spacing: 0.06em; }
.product-card__price small { font-size: 11px; color: var(--ink-soft); margin-left: 6px; }
.product-card__link {
  margin-top: 18px;
  font-size: 12.5px;
  letter-spacing: 0.18em;
  color: var(--accent);
  border-bottom: 1px solid var(--accent);
  align-self: flex-start;
  padding-bottom: 3px;
}
.product-card__link:hover { color: var(--ink-strong); border-color: var(--ink-strong); }

.card-badge {
  display: inline-block;
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--accent);
  border: 1px solid var(--drop-dark);
  border-radius: 999px;
  padding: 3px 14px;
  margin-bottom: 14px;
  align-self: flex-start;
}

/* ---------- 体験 3ステップ ---------- */

.steps {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  max-width: 960px;
  margin: 0 auto;
}
.step { text-align: center; padding: 0 12px; }
.step__num {
  font-family: var(--font-serif);
  font-size: 34px;
  color: var(--drop-dark);
  line-height: 1;
  margin-bottom: 20px;
}
.step h3 { font-size: 16px; letter-spacing: 0.18em; margin-bottom: 16px; }
.step p { font-size: 13.5px; color: var(--ink-soft-2); line-height: 2.2; }

/* ---------- 画像＋文章 交互レイアウト ---------- */

.feature {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}
.feature--rev .feature__img { order: 2; }
.feature__img img { border-radius: 3px; }
.feature__body h2 {
  font-size: clamp(20px, 2.4vw, 25px);
  letter-spacing: 0.14em;
  line-height: 2.0;
  margin-bottom: 30px;
}
.feature__body p { font-size: 14.5px; color: var(--ink-soft-2); line-height: 2.4; }
.feature__body p + p { margin-top: 20px; }
.feature__body .btn { margin-top: 40px; }

/* ---------- 商品詳細ページ ---------- */

.pdp {
  padding: 90px 0 0;
}
.pdp__inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 72px;
  align-items: start;
}

.pdp__gallery { position: sticky; top: 100px; }
.pdp__main-img {
  background: var(--cream);
  border-radius: 3px;
  padding: 56px 40px;
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 460px;
}
.pdp__main-img img { max-height: 440px; width: auto; }
.pdp__thumbs { display: flex; gap: 12px; margin-top: 14px; }
.pdp__thumbs button {
  width: 76px;
  height: 76px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 8px;
  cursor: pointer;
}
.pdp__thumbs button.is-active { border-color: var(--accent); }
.pdp__thumbs img { max-height: 100%; width: auto; margin: 0 auto; object-fit: contain; }

.pdp__info .eyebrow { margin-bottom: 12px; }
.pdp__name { font-family: var(--font-serif); font-size: 30px; letter-spacing: 0.08em; margin-bottom: 4px; }
.pdp__name-ja { font-size: 13px; color: var(--ink-soft); letter-spacing: 0.2em; margin-bottom: 26px; }
.pdp__price { font-size: 24px; letter-spacing: 0.04em; color: var(--ink-strong); margin-bottom: 4px; }
.pdp__price small { font-size: 12px; color: var(--ink-soft); margin-left: 8px; }
.pdp__tax-note { font-size: 11.5px; color: var(--ink-soft); margin-bottom: 30px; }

.pdp__desc { font-size: 14.5px; color: var(--ink-soft-2); line-height: 2.3; margin-bottom: 36px; }
.pdp__desc p + p { margin-top: 16px; }

.pdp__buy {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 28px;
  margin-bottom: 36px;
}
/* 購入オプション（1回だけ／Member Price） */
.buy-options { margin-bottom: 20px; }
.buy-option {
  display: block;
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 16px 18px;
  cursor: pointer;
  transition: border-color .25s ease, background .25s ease;
}
.buy-option + .buy-option { margin-top: 10px; }
.buy-option.is-selected { border-color: var(--accent); background: var(--cream); }
.buy-option input[type="radio"] { accent-color: var(--accent); margin-right: 10px; }
.buy-option__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 12px;
  font-size: 14px;
  color: var(--ink-strong);
}
.buy-option__off {
  font-style: normal;
  font-size: 10.5px;
  letter-spacing: 0.14em;
  color: var(--paper);
  background: var(--accent);
  border-radius: 999px;
  padding: 2px 10px;
  margin-left: 8px;
  vertical-align: 1px;
}
.buy-option__price { font-size: 16px; letter-spacing: 0.04em; white-space: nowrap; }
.buy-option__price s { color: var(--ink-soft); font-size: 12px; margin-right: 6px; }
.buy-option__body {
  display: none;
  font-size: 12px;
  color: var(--ink-soft-2);
  line-height: 2.0;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.buy-option.is-selected .buy-option__body { display: block; }
.buy-option__body a { color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 1px; }
.cycle-row { display: flex; align-items: center; gap: 12px; margin-top: 10px; }
.cycle-row label { font-size: 12px; color: var(--ink-soft-2); letter-spacing: 0.1em; flex-shrink: 0; }
.cycle-row select {
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--ink);
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  padding: 9px 12px;
  width: 100%;
}

.cart-item__member {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-top: 4px;
}

.qty-row { display: flex; align-items: center; gap: 18px; margin-bottom: 18px; }
.qty-row label { font-size: 12.5px; letter-spacing: 0.14em; color: var(--ink-soft-2); }
.qty-control {
  display: flex;
  border: 1px solid var(--line);
  border-radius: 2px;
  overflow: hidden;
}
.qty-control button {
  width: 40px;
  height: 44px;
  background: var(--cream);
  border: none;
  cursor: pointer;
  font-size: 16px;
  color: var(--ink-soft-2);
}
.qty-control button:hover { color: var(--ink-strong); }
.qty-control input {
  width: 52px;
  border: none;
  text-align: center;
  font-size: 15px;
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
}
.pdp__buy .release-note {
  font-size: 11.5px;
  color: var(--ink-soft);
  margin-top: 14px;
  line-height: 1.9;
}

.spec-table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin-bottom: 36px; }
.spec-table th, .spec-table td {
  text-align: left;
  padding: 13px 4px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
  line-height: 1.9;
}
.spec-table th {
  width: 32%;
  font-weight: 400;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}
.spec-table td { color: var(--ink-soft-2); }

.pdp__section { padding-top: 130px; }
.pdp__section .wrap--text h2 {
  font-size: 21px;
  letter-spacing: 0.16em;
  text-align: center;
  margin-bottom: 48px;
}

.pair-note {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 3px;
  padding: 20px 24px;
  margin-bottom: 36px;
}
.pair-note img { width: 44px; flex-shrink: 0; }
.pair-note p { font-size: 12.5px; color: var(--ink-soft-2); line-height: 2.0; }
.pair-note a { color: var(--accent); border-bottom: 1px solid var(--accent); padding-bottom: 1px; }

/* ---------- カート ---------- */

.cart-page { padding: 90px 0 0; }
.cart-empty { text-align: center; padding: 60px 0; color: var(--ink-soft-2); font-size: 14px; }
.cart-empty .btn { margin-top: 36px; }

.cart-table { width: 100%; border-collapse: collapse; }
.cart-table th {
  font-size: 11.5px;
  letter-spacing: 0.2em;
  color: var(--ink-soft);
  font-weight: 400;
  text-align: left;
  padding: 0 8px 14px;
  border-bottom: 1px solid var(--line);
}
.cart-table td { padding: 24px 8px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.cart-item__info { display: flex; align-items: center; gap: 20px; }
.cart-item__thumb {
  width: 72px;
  height: 72px;
  background: var(--cream);
  border-radius: 3px;
  padding: 8px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cart-item__thumb img { max-height: 100%; width: auto; }
.cart-item__name { font-size: 14px; color: var(--ink-strong); }
.cart-item__remove {
  background: none;
  border: none;
  font-size: 11.5px;
  color: var(--ink-soft);
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 3px;
  font-family: var(--font-sans);
  letter-spacing: 0.08em;
  padding: 0;
  margin-top: 6px;
}
.cart-item__remove:hover { color: var(--ink-strong); }

.cart-summary {
  margin-top: 48px;
  margin-left: auto;
  max-width: 380px;
}
.cart-summary__row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  padding: 10px 0;
  color: var(--ink-soft-2);
}
.cart-summary__row--total {
  font-size: 17px;
  color: var(--ink-strong);
  border-top: 1px solid var(--line);
  margin-top: 8px;
  padding-top: 20px;
}
.cart-summary .btn { margin-top: 26px; }
.cart-summary__note { font-size: 11.5px; color: var(--ink-soft); margin-top: 16px; line-height: 2.0; }

/* ---------- 読みもの ---------- */

.question-hero {
  background: var(--cream);
  text-align: center;
  padding: 130px 24px;
  margin-top: 90px;
}
.question-hero .eyebrow { margin-bottom: 30px; }
.question-hero h2 {
  font-size: clamp(23px, 3vw, 32px);
  letter-spacing: 0.14em;
  line-height: 2.0;
  margin-bottom: 36px;
}
.question-hero p {
  max-width: 560px;
  margin: 0 auto;
  color: var(--ink-soft-2);
  font-size: 14.5px;
  line-height: 2.5;
}

.journal-list { max-width: var(--max-w-text); margin: 0 auto; }
.journal-item {
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}
.journal-item__meta {
  font-family: var(--font-serif);
  font-size: 12.5px;
  letter-spacing: 0.24em;
  color: var(--accent);
  margin-bottom: 12px;
}
.journal-item h3 { font-size: 17px; letter-spacing: 0.1em; margin-bottom: 14px; }
.journal-item p { font-size: 13.5px; color: var(--ink-soft-2); line-height: 2.3; }

/* ---------- 記事風 本文（about等） ---------- */

.prose { font-size: 15px; line-height: 2.5; color: var(--ink); }
.prose h2 {
  font-size: 20px;
  letter-spacing: 0.16em;
  margin: 110px 0 36px;
  line-height: 2.0;
}
.prose h2:first-child { margin-top: 0; }
.prose p { margin-bottom: 28px; color: var(--ink-soft-2); }
.prose p strong { color: var(--ink-strong); font-weight: 500; }
.prose .pull {
  font-size: 17px;
  color: var(--ink-strong);
  line-height: 2.4;
  letter-spacing: 0.1em;
  margin: 56px 0;
  padding-left: 24px;
  border-left: 2px solid var(--drop-dark);
}

/* ---------- FAQ ---------- */

.faq-group { max-width: var(--max-w-text); margin: 0 auto 90px; }
.faq-group > h2 {
  font-size: 16px;
  letter-spacing: 0.2em;
  color: var(--ink-strong);
  margin-bottom: 28px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--line);
}
.faq-item { border-bottom: 1px solid var(--line); }
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 24px 36px 24px 34px;
  font-size: 14.5px;
  color: var(--ink-strong);
  position: relative;
  line-height: 2.0;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  font-family: var(--font-serif);
  color: var(--accent);
  position: absolute;
  left: 4px;
}
.faq-item summary::after {
  content: "+";
  font-family: var(--font-serif);
  font-size: 20px;
  color: var(--ink-soft);
  position: absolute;
  right: 8px;
  top: 24px;
  transition: transform .3s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item .faq-a {
  padding: 0 36px 28px 34px;
  font-size: 13.5px;
  color: var(--ink-soft-2);
  line-height: 2.3;
}

/* ---------- 法務ページ ---------- */

.legal-table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
.legal-table th, .legal-table td {
  text-align: left;
  padding: 18px 8px;
  border-bottom: 1px solid var(--line);
  line-height: 2.0;
  vertical-align: top;
}
.legal-table th { width: 30%; font-weight: 400; color: var(--ink-soft); }
.legal-table td { color: var(--ink-soft-2); }
.placeholder { color: var(--accent); font-size: 12px; }

/* ---------- ページヘッダー（下層） ---------- */

.page-head {
  text-align: center;
  padding: 110px 24px 0;
}
.page-head h1 {
  font-size: clamp(22px, 2.8vw, 28px);
  letter-spacing: 0.18em;
  line-height: 2.0;
}
.page-head .eyebrow { margin-bottom: 16px; }
.page-head .lead { max-width: 560px; margin: 32px auto 0; }

/* ---------- スクロール表示 ---------- */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .9s ease, transform .9s ease;
}
.reveal.is-visible { opacity: 1; transform: none; }

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

/* ---------- レスポンシブ ---------- */

@media (max-width: 900px) {
  .hero { padding: 80px 0 100px; }
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__img { order: -1; }
  .hero__img img { width: 68%; }

  .product-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .steps { grid-template-columns: 1fr; gap: 56px; max-width: 440px; }
  .feature { grid-template-columns: 1fr; gap: 40px; }
  .feature--rev .feature__img { order: 0; }

  .pdp__inner { grid-template-columns: 1fr; gap: 48px; }
  .pdp__gallery { position: static; }

  .section { padding-top: 110px; }
  .section--cream { padding: 110px 0; margin-top: 110px; }
  .section--cream + .section { padding-top: 110px; }
  .site-footer { margin-top: 110px; }

  .site-nav {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    gap: 0;
    padding: 12px 0 24px;
  }
  .site-nav.is-open { display: flex; }
  .site-nav a { padding: 14px 24px; width: 100%; text-align: center; }
  .nav-toggle { display: block; }

  .cart-table thead { display: none; }
  .cart-table td { display: block; padding: 8px; border: none; }
  .cart-table tr { display: block; padding: 20px 0; border-bottom: 1px solid var(--line); }
}