/* =========================================================
   いろやギャラリー  design system  v5 — warm editorial
   参考: Partnership Editions / Tappan
   暖かいクリーム地 ＋ 藤/セージの差し色 ＋ 明朝 ＋ 作品を壁に掛ける見せ方
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Shippori+Mincho:wght@500;600;700&family=Zen+Kaku+Gothic+New:wght@300;400;500&display=swap');

:root {
  /* 白基調。藤とセージは“アクセント”に徹する。 */
  --paper:   #fbfaf8;   /* 白基調（ごくわずかに暖色） */
  --paper-2: #f4f2ee;   /* alt セクション＝無彩に近い淡色 */
  --paper-3: #eae5db;
  --wall:    #eef4f1;   /* 作品を掛ける“壁”＝ごく淡いセージ（アクセント） */
  --tile:    #f6f4f0;
  --ink:     #2b2723;   /* 温かい濃墨 */
  --ink-2:   #6a635b;
  --ink-3:   #9d9488;
  --line:    #e8e2d8;
  --line-2:  #ddd6ca;

  /* アクセント：藤 #D3B8CA ／ セージ #B8D3C1（指定色そのまま） */
  --main:      #d3b8ca;
  --comp:      #b8d3c1;
  --sage:      #b8d3c1;
  --accent:      #9c6a8f; /* 文字に使える藤の濃色（同系・可読性確保） */
  --accent-soft: #d3b8ca;
  --sage-soft: #eef4f1;

  --maxw: 1280px;
  --radius: 0px;
  --shadow:    0 26px 56px -30px rgba(44,38,33,.42);
  --shadow-sm: 0 16px 34px -20px rgba(44,38,33,.30);
  --shadow-art: 0 18px 34px -14px rgba(44,38,33,.40);

  --serif: "Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --latin: "Cormorant Garamond", serif;
  --sans:  "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0; font-family: var(--sans); font-weight: 300;
  color: var(--ink); background: var(--paper);
  line-height: 1.95; font-size: 16px; letter-spacing: .01em;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--serif); font-weight: 600; line-height: 1.5; letter-spacing: .03em; color: var(--ink); }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 34px; }

/* ラベル（小キャップ・レタースペース） */
.eyebrow, .kicker {
  display: inline-block; font-family: var(--sans); font-weight: 400;
  font-size: 11px; letter-spacing: .28em; text-transform: uppercase; color: var(--accent);
}
.kicker { color: var(--accent); }
.eyebrow { color: var(--ink-3); }
.section-head .kicker, .section-head .eyebrow,
.page-hero .kicker, .page-hero .eyebrow,
.split .kicker, .split .eyebrow { display: block; margin-bottom: 20px; }

.spectrum-bar { height: 2px; width: 100%; background: linear-gradient(90deg, var(--main), var(--comp)); }

/* -------------------------------------------------- header */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(243,234,240,.88); backdrop-filter: saturate(150%) blur(12px);
  border-bottom: 1px solid var(--line);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.brand { display: flex; align-items: center; gap: 14px; min-width: 0; }
.brand .mark { width: 48px; height: 48px; flex: none; }
.brand .mark img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; display: block; }
.brand .name { font-family: var(--serif); font-size: 21px; font-weight: 600; letter-spacing: .1em; min-width: 0; white-space: nowrap; }
.brand .name small { display: block; font-family: var(--latin); font-size: 10px; letter-spacing: .28em; color: var(--ink-3); font-weight: 500; margin-top: 2px; white-space: nowrap; }

.nav { display: flex; align-items: center; gap: 32px; }
.nav a { font-size: 13px; letter-spacing: .08em; color: var(--ink-2); position: relative; padding: 4px 0; transition: color .25s; }
.nav a::after { content: ""; position: absolute; left: 0; bottom: 0; width: 0; height: 1px; background: var(--accent); transition: width .3s ease; }
.nav a:hover, .nav a.active { color: var(--ink); }
.nav a:hover::after, .nav a.active::after { width: 100%; }
.header-actions { display: flex; align-items: center; gap: 22px; }
.cart-btn { position: relative; display: inline-flex; align-items: center; color: var(--ink); }
.cart-btn svg { width: 21px; height: 21px; stroke-width: 1.3; }
.cart-count { position: absolute; top: -7px; right: -11px; min-width: 17px; height: 17px; padding: 0 5px;
  background: var(--accent); color: #fff; border-radius: 999px; font-size: 10px; font-weight: 500; line-height: 17px; text-align: center; font-family: var(--sans); }
.cart-count[data-empty="true"] { display: none; }
.nav-toggle { display: none; background: none; border: 0; cursor: pointer; padding: 6px; color: var(--ink); }
.nav-toggle svg { width: 24px; height: 24px; }

/* -------------------------------------------------- buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 32px; border: 1px solid var(--ink); border-radius: var(--radius);
  font-family: var(--sans); font-size: 12px; letter-spacing: .18em; font-weight: 400;
  cursor: pointer; transition: all .28s ease; background: transparent; color: var(--ink);
}
.btn-primary:hover { background: var(--ink); color: var(--paper); }
.btn-outline { border-color: var(--line-2); }
.btn-outline:hover { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #7f4f6b; border-color: #7f4f6b; }
.btn-block { width: 100%; }
.btn[disabled] { opacity: .45; cursor: not-allowed; }
.link-arrow { font-size: 12px; letter-spacing: .16em; text-transform: uppercase; color: var(--ink); display: inline-flex; align-items: center; gap: 9px; border-bottom: 1px solid var(--accent); padding-bottom: 4px; transition: gap .25s, color .25s; }
.link-arrow::after { content: "→"; transition: transform .25s; }
.link-arrow:hover { color: var(--accent); }
.link-arrow:hover::after { transform: translateX(5px); }

/* -------------------------------------------------- hero (warm editorial) */
.hero-editorial { display: grid; grid-template-columns: 1.12fr 1fr; min-height: 620px; background: var(--paper); border-bottom: 1px solid var(--line); }
.hero-photo { position: relative; overflow: hidden; min-height: 440px; }
.hero-photo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.hero-text { background: var(--paper); display: flex; flex-direction: column; justify-content: center; padding: 92px clamp(34px, 6vw, 100px); position: relative; }
.hero-text::before { content: ""; position: absolute; left: 0; top: 92px; bottom: 92px; width: 3px; background: linear-gradient(var(--main), var(--comp)); }
.hero-text .eyebrow { display: block; margin-bottom: 32px; letter-spacing: .36em; color: var(--accent); }
.hero-text h1 { font-size: clamp(37px, 5vw, 64px); line-height: 1.38; margin: 0 0 30px; letter-spacing: .06em; color: var(--ink); }
.hero-text .lead { font-size: 16px; color: var(--ink-2); line-height: 2.1; margin: 0 0 46px; max-width: 30em; }
.hero-text .lead.tight { margin-bottom: 18px; }
.hero-text .lead.sub { font-size: 13.5px; color: var(--ink-3); line-height: 2.05; margin-bottom: 42px; }
.hero-cta { display: flex; gap: 34px; align-items: center; flex-wrap: wrap; }
.hero-text .link-arrow { border-bottom-color: var(--accent); }

/* -------------------------------------------------- sections */
.section { padding: 116px 0; }
.section.alt { background: var(--paper-2); }
.section-head { max-width: 680px; margin: 0 auto 74px; text-align: center; }
.section-head .eyebrow::after, .section-head .kicker::after { content: ""; display: block; width: 28px; height: 2px; background: linear-gradient(90deg, var(--main), var(--comp)); margin: 16px auto 0; }
.section-head h2 { font-size: clamp(27px, 3.5vw, 41px); margin: 0 0 20px; font-weight: 600; letter-spacing: .04em; }
.section-head p { color: var(--ink-2); margin: 0; font-size: 15px; }
.section-head.left { text-align: left; margin-left: 0; }

/* row header (editorial: title left, link right) */
.row-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 20px; margin-bottom: 46px; }
.row-head h2 { font-size: clamp(23px, 2.8vw, 32px); margin: 0; font-weight: 600; }
.row-head .eyebrow { display: block; margin-bottom: 12px; }

/* -------------------------------------------------- product grid (framed on wall) */
.grid { display: grid; gap: 52px 40px; }
.grid.cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid.cols-4 { grid-template-columns: repeat(4, 1fr); }

.card { display: flex; flex-direction: column; }
.card .thumb {
  aspect-ratio: 1/1; background: var(--wall); position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center; padding: 34px;
  transition: background .4s ease;
}
.card .thumb img { max-width: 100%; max-height: 100%; width: auto; height: auto; object-fit: contain; box-shadow: var(--shadow-art); transition: transform 1.1s cubic-bezier(.2,.7,.2,1); }
.card .thumb svg { width: 100%; height: 100%; }
.card:hover .thumb img { transform: scale(1.035); }
.card .badge { position: absolute; top: 16px; left: 16px; background: var(--paper); color: var(--ink-2); font-size: 10px; letter-spacing: .16em; padding: 5px 12px; border: 1px solid var(--line-2); }
.card .body { padding: 20px 2px 0; display: flex; flex-direction: column; flex: 1; text-align: left; }
.card h3 { font-size: 18px; margin: 0 0 7px; font-weight: 600; letter-spacing: .04em; }
.card .artist { font-size: 10.5px; letter-spacing: .18em; text-transform: uppercase; color: var(--accent); margin: 0 0 4px; }
.card .medium { font-size: 12px; color: var(--ink-3); margin: 0; }
.card .foot { display: flex; align-items: center; justify-content: space-between; gap: 14px; margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--line); }
.card .price { font-family: var(--serif); font-size: 17px; font-weight: 500; letter-spacing: .02em; color: var(--ink); }
.card .add { border: 1px solid var(--line-2); background: transparent; color: var(--ink-2); cursor: pointer; font-family: var(--sans);
  font-size: 10px; letter-spacing: .14em; text-transform: uppercase; padding: 9px 15px; transition: all .25s; white-space: nowrap; }
.card .add:hover { border-color: var(--main); color: var(--accent); background: var(--wall); }
.card .add.sold { border: 0; color: var(--ink-3); cursor: default; padding: 9px 0; letter-spacing: .1em; }

/* -------------------------------------------------- filters */
.filters { display: flex; gap: 4px; flex-wrap: wrap; justify-content: center; margin-bottom: 54px; }
.filters button { background: transparent; border: 0; color: var(--ink-3); padding: 9px 22px; cursor: pointer; font-family: var(--sans);
  font-size: 12px; letter-spacing: .14em; text-transform: uppercase; position: relative; transition: color .25s; }
.filters button::after { content: ""; position: absolute; left: 22px; right: 22px; bottom: 3px; height: 1px; background: var(--accent); transform: scaleX(0); transition: transform .3s ease; }
.filters button:hover { color: var(--ink); }
.filters button.active { color: var(--ink); }
.filters button.active::after { transform: scaleX(1); }

/* -------------------------------------------------- feature / concept */
.feature { display: grid; grid-template-columns: repeat(3, 1fr); gap: 52px; }
.feature.cols-4 { grid-template-columns: repeat(4, 1fr); gap: 34px; }
.feature .item { text-align: center; }
.feature .item .num { font-family: var(--latin); font-size: 30px; font-style: italic; color: var(--accent); display: block; margin-bottom: 16px; line-height: 1; }
.feature .item .num::after { content: ""; display: block; width: 30px; height: 2px; background: var(--comp); margin: 16px auto 0; }
.feature .item h3 { font-size: 19px; margin: 0 0 14px; font-weight: 600; }
.feature .item p { font-size: 14px; color: var(--ink-2); margin: 0; line-height: 1.95; }

/* -------------------------------------------------- split / about */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: center; }
.split .art { box-shadow: var(--shadow-sm); }
.split .art svg, .split .art img { width: 100%; aspect-ratio: 5/4; object-fit: cover; display: block; }
.split .art.art-portrait img { aspect-ratio: 3/4; object-position: 60% 20%; }
.split h2 { font-size: clamp(25px, 3vw, 34px); margin: 0 0 22px; font-weight: 600; }
.split p { color: var(--ink-2); margin: 0 0 18px; line-height: 2.05; font-size: 15px; }
.profile-list { list-style: none; padding: 0; margin: 28px 0 0; }
.profile-list li { display: flex; gap: 18px; padding: 13px 0; border-top: 1px solid var(--line); font-size: 14px; color: var(--ink); }
.profile-list li span { color: var(--ink-3); min-width: 76px; flex: none; font-size: 12px; letter-spacing: .1em; }

/* -------------------------------------------------- schedule */
.timeline { max-width: 820px; margin: 0 auto; }
.event { display: grid; grid-template-columns: 168px 1fr; gap: 40px; padding: 36px 0; border-top: 1px solid var(--line); }
.event:last-child { border-bottom: 1px solid var(--line); }
.event .when { font-family: var(--latin); font-size: 17px; letter-spacing: .04em; color: var(--ink); }
.event .when .status { display: inline-block; margin-top: 12px; font-family: var(--sans); font-size: 10px; letter-spacing: .16em; padding: 4px 12px; text-transform: uppercase; }
.status.now  { background: var(--accent); color: #fff; }
.status.next { background: transparent; color: var(--ink-2); border: 1px solid var(--line-2); }
.status.done { background: transparent; color: var(--ink-3); border: 1px solid var(--line); }
.event h3 { margin: 0 0 12px; font-size: 21px; font-weight: 600; }
.event p { margin: 0; color: var(--ink-2); font-size: 14px; line-height: 1.95; }

/* -------------------------------------------------- info band */
.info-band { background: var(--ink); color: var(--paper); }
.info-band .container { padding-top: 72px; padding-bottom: 72px; }
.info-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 34px; }
.info-grid.cols-5 { grid-template-columns: repeat(5, 1fr); gap: 28px; }
.info-grid .col h4 { font-family: var(--latin); font-style: italic; font-size: 16px; letter-spacing: .06em; color: var(--comp); margin: 0 0 16px; font-weight: 500; }
.info-grid .col p, .info-grid .col a { font-size: 14px; color: #d8cfc0; margin: 0 0 7px; line-height: 1.9; font-weight: 300; }
.info-grid .col a { border-bottom: 1px solid transparent; transition: border-color .25s, color .25s; }
.info-grid .col a:hover { color: #fff; border-color: rgba(255,255,255,.4); }

/* -------------------------------------------------- quote band */
.quote-band { background: var(--paper-2); padding: 128px 0; text-align: center; }
.quote-band .quote { font-family: var(--serif); font-size: clamp(23px, 3.1vw, 33px); line-height: 2.15; color: var(--ink); margin: 0 0 24px; letter-spacing: .1em; font-weight: 500; }
.quote-band .quote::before { content: ""; display: block; width: 44px; height: 2px; background: linear-gradient(90deg, var(--main), var(--comp)); margin: 0 auto 42px; }
.quote-band .quote-by { font-family: var(--latin); font-style: italic; color: var(--accent); font-size: 15px; letter-spacing: .12em; margin: 0; }

/* -------------------------------------------------- cart page */
.cart-wrap { display: grid; grid-template-columns: 1.6fr .9fr; gap: 54px; align-items: start; }
.cart-lines { border-top: 1px solid var(--line); }
.cart-line { display: grid; grid-template-columns: 104px 1fr auto; gap: 24px; padding: 26px 0; border-bottom: 1px solid var(--line); align-items: center; }
.cart-line .thumb { width: 104px; height: 104px; overflow: hidden; background: var(--wall); display: flex; align-items: center; justify-content: center; padding: 12px; }
.cart-line .thumb img { max-width: 100%; max-height: 100%; width: auto; height: auto; box-shadow: var(--shadow-art); }
.cart-line h3 { margin: 0 0 5px; font-size: 17px; font-weight: 600; }
.cart-line .cat { font-size: 12px; color: var(--ink-3); }
.qty { display: inline-flex; align-items: center; border: 1px solid var(--line-2); margin-top: 12px; }
.qty button { width: 32px; height: 32px; border: 0; background: transparent; cursor: pointer; font-size: 15px; color: var(--ink); transition: background .2s; }
.qty button:hover { background: var(--tile); }
.qty span { min-width: 36px; text-align: center; font-size: 14px; }
.line-right { text-align: right; }
.line-right .price { font-family: var(--serif); font-size: 18px; }
.line-right .remove { display: block; margin-top: 10px; font-size: 11px; color: var(--ink-3); background: none; border: 0; cursor: pointer; letter-spacing: .08em; text-transform: uppercase; }
.line-right .remove:hover { color: var(--accent); }
.summary { background: var(--tile); border: 1px solid var(--line); padding: 34px; position: sticky; top: 108px; }
.summary h3 { margin: 0 0 22px; font-size: 19px; font-weight: 600; }
.summary .row { display: flex; justify-content: space-between; padding: 11px 0; font-size: 14px; color: var(--ink-2); }
.summary .row.total { border-top: 1px solid var(--line-2); margin-top: 12px; padding-top: 20px; font-size: 22px; color: var(--ink); font-family: var(--serif); }
.summary .note { font-size: 12px; color: var(--ink-3); margin: 18px 0 0; line-height: 1.9; }
.empty-cart { text-align: center; padding: 100px 0; color: var(--ink-2); }
.empty-cart svg { width: 56px; height: 56px; margin: 0 auto 24px; opacity: .4; stroke-width: 1.1; }
.empty-cart p { margin-bottom: 28px; }

/* -------------------------------------------------- toast */
.toast { position: fixed; left: 50%; bottom: 36px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper); padding: 14px 28px; font-size: 13px; letter-spacing: .06em;
  box-shadow: var(--shadow); opacity: 0; pointer-events: none; transition: all .35s ease; z-index: 100; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* -------------------------------------------------- forms */
.form-grid { display: grid; gap: 20px; max-width: 640px; }
.field label { display: block; font-size: 12px; margin-bottom: 8px; color: var(--ink-2); letter-spacing: .06em; }
.field input, .field textarea, .field select { width: 100%; padding: 13px 16px; border: 1px solid var(--line-2); border-radius: var(--radius);
  font-family: var(--sans); font-size: 15px; background: var(--paper); color: var(--ink); font-weight: 300; }
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--accent); }
.field textarea { min-height: 140px; resize: vertical; }

/* -------------------------------------------------- page hero (sub pages) */
.page-hero { background: var(--paper-2); padding: 88px 0 74px; text-align: center; border-bottom: 1px solid var(--line); }
.page-hero h1 { font-size: clamp(30px, 4.4vw, 46px); margin: 0 0 16px; font-weight: 600; letter-spacing: .06em; }
.page-hero p { color: var(--ink-2); max-width: 40em; margin: 0 auto; font-size: 15px; }
.crumbs { font-size: 12px; color: var(--ink-3); padding: 22px 0; letter-spacing: .06em; }
.crumbs a:hover { color: var(--ink); }

/* -------------------------------------------------- footer */
.site-footer { background: var(--paper-2); border-top: 1px solid var(--line); padding: 66px 0 34px; }
.footer-top { display: flex; justify-content: space-between; gap: 40px; flex-wrap: wrap; margin-bottom: 44px; }
.footer-brand { max-width: 340px; }
.footer-brand .name { font-family: var(--serif); font-size: 21px; letter-spacing: .1em; margin-bottom: 16px; font-weight: 600; }
.footer-brand p { font-size: 13px; color: var(--ink-2); margin: 0; line-height: 1.95; }
.footer-nav { display: flex; gap: 72px; flex-wrap: wrap; }
.footer-nav .col h4 { font-family: var(--latin); font-style: italic; font-size: 15px; letter-spacing: .06em; color: var(--ink-3); margin: 0 0 18px; font-weight: 500; }
.footer-nav .col a { display: block; font-size: 14px; margin-bottom: 11px; color: var(--ink); font-weight: 300; }
.footer-nav .col a:hover { color: var(--accent); }
.footer-bottom { border-top: 1px solid var(--line); padding-top: 26px; font-size: 11px; color: var(--ink-3); display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; letter-spacing: .08em; }
.footer-simple { text-align: center; }
.footer-simple .fname { font-family: var(--serif); font-size: 20px; letter-spacing: .12em; font-weight: 600; color: var(--ink); }
.footer-simple .faddr { font-size: 13.5px; color: var(--ink-2); margin: 12px 0 20px; line-height: 1.9; }
.footer-simple .fcopy { display: block; font-size: 11px; color: var(--ink-3); letter-spacing: .1em; }
/* 公式SNS（フッター共通） */
.fsns { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px 28px; margin: 0 0 26px; }
.fsns a { display: inline-flex; align-items: center; gap: 8px; font-size: 12px; letter-spacing: .1em; color: var(--ink-2); font-weight: 400; transition: color .25s; }
.fsns a:hover { color: var(--accent); }
.fsns svg { width: 19px; height: 19px; flex: none; }

/* 言語切替（日本語 ⇄ English） */
.lang-switch { font-family: var(--latin); font-size: 14px; letter-spacing: .08em; color: var(--ink-2); border: 1px solid var(--line-2); padding: 5px 13px; white-space: nowrap; transition: color .25s, border-color .25s; }
.lang-switch:hover { color: var(--accent); border-color: var(--accent-soft); }
@media (max-width: 560px) { .lang-switch { font-size: 12.5px; padding: 4px 9px; letter-spacing: .04em; } }

/* 準備中の案内（作品・展示が0件のとき） */
.empty-note { grid-column: 1 / -1; text-align: center; color: var(--ink-2); font-size: 15px; line-height: 2.2; margin: 0; padding: 56px 0 40px; }
.empty-note::before { content: ""; display: block; width: 38px; height: 1px; background: linear-gradient(90deg, var(--main), var(--comp)); margin: 0 auto 28px; }


/* -------------------------------------------------- FAQ */
.faq { display: grid; gap: 34px; max-width: 900px; }
.faq-item h3 { font-size: 17px; margin: 0 0 10px; letter-spacing: .04em; line-height: 1.7; }
.faq-item h3::before { content: "Q."; color: var(--accent); font-family: var(--latin); font-style: italic; margin-right: 9px; }
.faq-item p { margin: 0; color: var(--ink-2); font-size: 14.5px; line-height: 2.15; }
@media (min-width: 920px) { .faq { grid-template-columns: 1fr 1fr; gap: 42px 56px; } }

/* -------------------------------------------------- utilities */
.text-center { text-align: center; }
.mt-40 { margin-top: 44px; }
.notice { background: var(--tile); border: 1px solid var(--line); border-left: 2px solid var(--accent); padding: 20px 24px; font-size: 14px; color: var(--ink-2); line-height: 1.95; }

/* -------------------------------------------------- responsive */
@media (max-width: 920px) {
  .hero-editorial { grid-template-columns: 1fr; min-height: 0; }
  .hero-photo { height: 340px; }
  .hero-text { padding: 54px 34px 60px; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: repeat(2, 1fr); }
  .feature { grid-template-columns: 1fr; gap: 44px; }
  .feature.cols-4 { grid-template-columns: repeat(2, 1fr); gap: 40px 34px; }
  .split { grid-template-columns: 1fr; gap: 44px; }
  .cart-wrap { grid-template-columns: 1fr; }
  .info-grid, .info-grid.cols-5 { grid-template-columns: repeat(2, 1fr); }
  .summary { position: static; }
  .nav { display: none; }
  .nav.open { display: flex; position: absolute; top: 84px; left: 0; right: 0; flex-direction: column; background: var(--paper); border-bottom: 1px solid var(--line); padding: 22px 34px; gap: 20px; }
  .nav-toggle { display: inline-flex; }
  .row-head { flex-direction: column; align-items: flex-start; gap: 14px; }
}
@media (max-width: 560px) {
  .container { padding: 0 22px; }
  .section { padding: 76px 0; }
  /* ヘッダー：English ボタン追加で横幅が足りず、屋号が押し出され小字が折り返していたのを是正 */
  .header-inner { height: 64px; gap: 10px; }
  .brand { gap: 10px; }
  .brand .mark { width: 38px; height: 38px; }
  .brand .name { font-size: 17px; letter-spacing: .06em; }
  .brand .name small { display: none; }     /* 小字はヒーローの eyebrow に同じ表記があるため省く */
  .header-actions { gap: 14px; }
  .nav.open { top: 64px; padding: 20px 22px; }
  .grid.cols-3, .grid.cols-4 { grid-template-columns: 1fr 1fr; gap: 30px 18px; }
  .feature.cols-4 { grid-template-columns: 1fr; gap: 40px; }
  .event { grid-template-columns: 1fr; gap: 14px; }
  .info-grid, .info-grid.cols-5 { grid-template-columns: 1fr 1fr; }
  .footer-top { flex-direction: column; }
  .cart-line { grid-template-columns: 84px 1fr; }
  .cart-line .line-right { grid-column: 1 / -1; text-align: left; display: flex; justify-content: space-between; align-items: center; }
}
/* 狭い端末（360px級）でもヘッダーが1行に収まるように */
@media (max-width: 400px) {
  .brand .name { font-size: 15.5px; letter-spacing: .02em; }
  .brand .mark { width: 34px; height: 34px; }
  .header-actions { gap: 11px; }
  .lang-switch { font-size: 11.5px; padding: 4px 7px; }
}