/* Eau pure — ロゴのワインレッドを基にした配色 */
:root {
  --wine: #8c1c24;
  --wine-dark: #6a141a;
  --wine-pale: #f8eeee;
  --ink: #2f2a2a;
  --ink-soft: #5d5555;
  --water: #e9f3f7;
  --cream: #faf7f4;
  --line: #e6dcd8;
  --white: #ffffff;
  --todo-bg: #fff4d6;
  --todo-fg: #8a5a00;
  --radius: 10px;
  --max: 1040px;
  --serif: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 90px; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.9;
  -webkit-text-size-adjust: 100%;
  overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--wine); }
a:hover { color: var(--wine-dark); }
h1, h2, h3 { line-height: 1.5; margin: 0; }
p { margin: 0 0 1em; }

.container { max-width: var(--max); margin: 0 auto; padding: 0 20px; }
.content { padding: 48px 20px 72px; }
.content.narrow, .container.narrow { max-width: 820px; }
.center { text-align: center; }
.right { text-align: right; }
.small { font-size: 13px; color: var(--ink-soft); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip-link { position: absolute; left: -9999px; top: 0; background: var(--wine); color: #fff; padding: 8px 16px; z-index: 200; }
.skip-link:focus { left: 8px; }

/* 公開前確認（【要確認】がある時のみ表示） */
.draft-banner { background: var(--todo-bg); color: var(--todo-fg); border-bottom: 1px solid #ecd59a; padding: 10px 20px; font-size: 13px; line-height: 1.7; }
.todo { display: inline-block; background: var(--todo-bg); color: var(--todo-fg); padding: 0 6px; border-radius: 4px; font-weight: 700; font-size: .85em; }

/* ヘッダー */
.site-header { position: sticky; top: 0; z-index: 50; background: rgba(255,255,255,.97); border-bottom: 3px solid var(--wine); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 72px; }
.site-logo img { width: 180px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.global-nav { border-top: 1px solid var(--line); }
.global-nav ul { list-style: none; margin: 0 auto; padding: 0 20px; display: flex; flex-wrap: wrap; gap: 0 4px; }
.global-nav a { display: block; padding: 10px 14px; color: var(--ink); text-decoration: none; font-size: 14px; }
.global-nav a:hover, .global-nav a[aria-current="page"] { color: var(--wine); box-shadow: inset 0 -2px 0 var(--wine); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 8px; background: #fff; cursor: pointer; position: relative; }
.menu-toggle span:first-child, .menu-toggle span:first-child::before, .menu-toggle span:first-child::after {
  content: ""; position: absolute; left: 11px; width: 20px; height: 2px; background: var(--ink); transition: transform .2s;
}
.menu-toggle span:first-child { top: 20px; }
.menu-toggle span:first-child::before { left: 0; top: -7px; }
.menu-toggle span:first-child::after { left: 0; top: 7px; }
.menu-open .menu-toggle span:first-child { background: transparent; }
.menu-open .menu-toggle span:first-child::before { transform: translateY(7px) rotate(45deg); }
.menu-open .menu-toggle span:first-child::after { transform: translateY(-7px) rotate(-45deg); }

.breadcrumb { font-size: 13px; padding-top: 14px; color: var(--ink-soft); display: flex; gap: 8px; flex-wrap: wrap; }

/* ボタン */
.btn { display: inline-block; background: var(--wine); color: #fff; text-decoration: none; font-weight: 700; padding: 13px 30px; border-radius: 999px; border: 2px solid var(--wine); text-align: center; }
.btn:hover { background: var(--wine-dark); border-color: var(--wine-dark); color: #fff; }
.btn-outline { background: #fff; color: var(--wine); }
.btn-outline:hover { background: var(--wine-pale); color: var(--wine-dark); }
.btn-sm { padding: 7px 18px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 17px; }
a:focus-visible, button:focus-visible { outline: 3px solid #e0a3a8; outline-offset: 3px; }

/* トップ */
.hero { background: linear-gradient(160deg, var(--water) 0%, #fff 60%, var(--wine-pale) 100%); padding: 64px 0; }
.hero-inner { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 40px; }
.hero-sub { color: var(--wine); font-weight: 700; letter-spacing: .1em; margin-bottom: 8px; }
.hero h1 { font-family: var(--serif); font-size: 40px; font-weight: 600; letter-spacing: .04em; margin-bottom: 20px; color: var(--wine-dark); }
.hero-text > p:not(.hero-sub) { color: var(--ink-soft); max-width: 34em; margin-bottom: 28px; }
.hero-buttons { display: flex; flex-wrap: wrap; gap: 12px; }
.hero-image img { width: 200px; border-radius: 120px 120px 16px 16px; box-shadow: 0 10px 30px rgba(140,28,36,.12); }

.section { padding: 72px 0; }
.section-alt { background: var(--cream); }
.page-title { font-family: var(--serif); font-size: 30px; font-weight: 600; margin-bottom: 28px; color: var(--ink); }
.page-title .en { display: block; font-family: Georgia, "Times New Roman", serif; font-size: 14px; letter-spacing: .15em; color: var(--wine); font-weight: 400; }
.section .page-title { text-align: center; }
.lead { font-family: var(--serif); font-size: 21px; color: var(--wine-dark); margin-bottom: 14px; }

.product-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.product-card { display: flex; gap: 20px; align-items: center; padding: 24px; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; color: var(--ink); background: #fff; transition: box-shadow .2s, border-color .2s; }
.product-card:hover { border-color: var(--wine); box-shadow: 0 8px 24px rgba(140,28,36,.1); color: var(--ink); }
.product-card img { width: 110px; flex: none; border-radius: 8px; }
.product-card h3 { font-family: var(--serif); font-size: 21px; color: var(--wine-dark); margin-bottom: 6px; }
.product-card p { font-size: 15px; margin-bottom: 8px; }
.product-card .price { font-weight: 700; color: var(--wine); }
.product-card .price small { font-weight: 400; }
.product-card .more { font-size: 14px; color: var(--wine); font-weight: 700; }

.feature-grid { list-style: none; margin: 0 0 32px; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-grid li { background: #fff; border-radius: var(--radius); padding: 24px 20px; border-top: 3px solid var(--wine); }
.feature-grid .num { font-family: Georgia, serif; color: var(--wine); font-size: 22px; }
.feature-grid h3 { font-size: 17px; margin: 4px 0 8px; }
.feature-grid p { font-size: 14px; color: var(--ink-soft); margin: 0; }

.grid-2 { display: grid; grid-template-columns: 1.4fr 1fr; gap: 48px; align-items: start; }
.grid-2 .page-title { text-align: left; }
.news-list { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--line); }
.news-list li { display: flex; gap: 16px; padding: 14px 4px; border-bottom: 1px solid var(--line); }
.news-list time { color: var(--ink-soft); font-size: 14px; flex: none; padding-top: 1px; }
.news-list a { color: var(--ink); text-decoration: none; }
.news-list a:hover { color: var(--wine); text-decoration: underline; }
.more-link { text-align: right; margin-top: 14px; font-size: 14px; }
.side-links { display: grid; gap: 12px; padding-top: 8px; }
.side-links a { display: block; padding: 16px 20px; border: 1px solid var(--line); border-left: 4px solid var(--wine); border-radius: 8px; color: var(--ink); text-decoration: none; font-weight: 700; background: #fff; }
.side-links a:hover { background: var(--wine-pale); }
.side-links .en { display: block; font-family: Georgia, serif; font-size: 12px; color: var(--wine); font-weight: 400; letter-spacing: .1em; }

/* 商品ページ */
.product-head { display: grid; grid-template-columns: 200px 1fr; gap: 36px; align-items: start; margin-bottom: 24px; }
.product-head > img { width: 200px; border-radius: 12px; box-shadow: 0 6px 20px rgba(0,0,0,.08); }
.buy-box { background: var(--wine-pale); border: 1px solid #ecd2d4; border-radius: var(--radius); padding: 24px; margin: 24px 0; text-align: center; }
.buy-price { margin-bottom: 6px; }
.buy-price .label { display: inline-block; background: var(--wine); color: #fff; font-size: 13px; font-weight: 700; padding: 2px 10px; border-radius: 4px; vertical-align: 6px; margin-right: 8px; }
.buy-price .num { font-size: 34px; font-weight: 700; color: var(--wine); }
.buy-price .tax { font-size: 14px; }
.buy-note { font-size: 13px; color: var(--ink-soft); margin: 8px 0; }

.h2 { font-family: var(--serif); font-size: 23px; color: var(--ink); margin: 56px 0 18px; padding-bottom: 10px; border-bottom: 2px solid var(--line); position: relative; }
.h2::after { content: ""; position: absolute; left: 0; bottom: -2px; width: 80px; height: 2px; background: var(--wine); }
.check-list { list-style: none; padding: 0; margin: 0 0 1em; display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.check-list.one { grid-template-columns: 1fr; }
.check-list li { border: 1px solid var(--line); border-radius: 8px; padding: 12px 14px 12px 42px; position: relative; background: #fff; }
.check-list li::before { content: ""; position: absolute; left: 16px; top: 50%; width: 13px; height: 7px; border-left: 3px solid var(--wine); border-bottom: 3px solid var(--wine); transform: translateY(-70%) rotate(-45deg); }

.feature-list section { padding: 20px 0; border-bottom: 1px dashed var(--line); }
.feature-list h3 { font-size: 19px; margin-bottom: 10px; display: flex; align-items: center; gap: 12px; }
.feature-list h3 span { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: 50%; background: var(--wine); color: #fff; font-size: 15px; flex: none; }
.media { display: flex; gap: 24px; align-items: flex-start; }
.media img { width: 130px; flex: none; }
.spec-table, .info-table { width: 100%; border-collapse: collapse; border: 1px solid var(--line); background: #fff; margin: 8px 0 16px; }
.spec-table th, .spec-table td, .info-table th, .info-table td { text-align: left; padding: 14px 18px; border-bottom: 1px solid var(--line); vertical-align: top; }
.spec-table th, .info-table th { width: 30%; background: var(--cream); font-weight: 700; }
.photo-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.photo-2 figure { margin: 0; }
.photo-2 img { border-radius: 8px; }
.photo-2 figcaption { font-size: 13px; color: var(--ink-soft); text-align: center; margin-top: 6px; }
.dot-list { padding-left: 1.3em; }
.dot-list li::marker { color: var(--wine); }
.num-list { padding-left: 1.5em; }
.num-list > li { margin-bottom: 12px; }
.paren-list { list-style: none; counter-reset: p; padding-left: .5em; margin: 8px 0; }
.paren-list li { counter-increment: p; }
.paren-list li::before { content: "(" counter(p) ") "; color: var(--wine); }
.notice-box { background: var(--cream); border: 1px solid var(--line); border-radius: 8px; padding: 16px 20px; margin: 16px 0 24px; font-size: 15px; }
.notice-box p:last-child { margin-bottom: 0; }
.notice-box .tel { font-weight: 700; font-size: 17px; }

/* Q&A・お客様の声・お知らせ */
.qa dt { font-weight: 700; padding: 18px 0 8px 40px; position: relative; border-top: 1px solid var(--line); }
.qa dt::before, .qa dd::before { position: absolute; left: 0; font-family: Georgia, serif; font-size: 22px; line-height: 1.2; }
.qa dt::before { content: "Q"; color: var(--wine); top: 18px; }
.qa dd { margin: 0 0 18px; padding-left: 40px; position: relative; }
.qa dd::before { content: "A"; color: var(--ink-soft); top: 0; }
.voice-list { display: grid; gap: 16px; margin-bottom: 16px; }
.voice { background: var(--cream); border-radius: var(--radius); padding: 22px 24px; }
.voice h2 { font-size: 18px; color: var(--wine-dark); margin-bottom: 8px; }
.voice p { margin: 0; }
.news-item { padding: 24px 0; border-bottom: 1px solid var(--line); }
.news-item h2 { font-size: 19px; margin-bottom: 12px; }
.news-item time { display: block; font-size: 13px; color: var(--ink-soft); font-weight: 400; }
.sitemap-list { columns: 2; padding-left: 1.3em; }

/* プライバシーポリシー */
.prose h2 { font-size: 18px; margin: 36px 0 10px; padding-left: 12px; border-left: 4px solid var(--wine); }
.enacted { margin-top: 40px; text-align: right; color: var(--ink-soft); }

/* フッター */
.site-footer { background: #3a1013; color: #ead9da; padding: 40px 0 24px; font-size: 14px; margin-top: 0; }
.site-footer a { color: #ead9da; text-decoration: none; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-nav { list-style: none; margin: 0 0 24px; padding: 0 0 20px; display: flex; flex-wrap: wrap; gap: 6px 22px; border-bottom: 1px solid rgba(255,255,255,.15); }
.footer-name { font-weight: 700; color: #fff; margin-bottom: 4px; }
.copyright { margin: 20px 0 0; opacity: .8; }

/* タブレット・スマートフォン */
@media (max-width: 860px) {
  .menu-toggle { display: block; }
  .global-nav { display: none; }
  .menu-open .global-nav { display: block; }
  .global-nav ul { flex-direction: column; padding: 8px 20px 16px; }
  .global-nav a { padding: 12px 4px; border-bottom: 1px solid var(--line); }
  .global-nav a:hover, .global-nav a[aria-current="page"] { box-shadow: none; }
  .hero { padding: 40px 0 48px; }
  .hero-inner { grid-template-columns: 1fr; gap: 24px; }
  .hero-image { order: -1; }
  .hero-image img { width: 130px; margin: 0 auto; }
  .hero h1 { font-size: 30px; }
  .product-cards, .grid-2 { grid-template-columns: 1fr; }
  .feature-grid { grid-template-columns: 1fr 1fr; }
  .check-list { grid-template-columns: 1fr 1fr; }
  .product-head { grid-template-columns: 1fr; gap: 20px; }
  .product-head > img { width: 150px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .container, .content { padding-left: 16px; padding-right: 16px; }
  .content { padding-top: 32px; }
  .section { padding: 52px 0; }
  .site-logo img { width: 140px; }
  .hero h1 { font-size: 26px; }
  .hero-buttons .btn { flex: 1 1 100%; }
  .page-title { font-size: 24px; }
  .product-card { flex-direction: column; text-align: center; }
  .feature-grid, .check-list, .photo-2 { grid-template-columns: 1fr; }
  .media { flex-direction: column; align-items: center; }
  .news-list li { flex-direction: column; gap: 2px; }
  .spec-table th, .spec-table td, .info-table th, .info-table td { display: block; width: 100%; padding: 10px 14px; }
  .spec-table th, .info-table th { border-bottom: none; }
  .buy-price .num { font-size: 28px; }
  .btn-lg { display: block; padding: 14px 20px; font-size: 16px; }
  .sitemap-list { columns: 1; }
}

/* 販売休止のお知らせ */
.stop-box { background: var(--cream); border-color: var(--line); }
.stop-box .buy-price .label { background: var(--ink-soft); font-size: 15px; padding: 4px 14px; margin: 0; vertical-align: 0; }
.stop-box p { margin-bottom: 8px; }