/* ============================================================================
   SWAPS 共通スタイル（整理版）
   ・デザインの質感を調整（過剰な影・角丸・グラデーション・英字見出しを整理）
   ・スマートフォンでの読みやすさを優先（文字サイズ・余白・タップ領域）
   ・各ページ上部の「戻るバー」用スタイルを追加
   ブランドカラー（緑）と画面構成はこれまでどおりです。
   ========================================================================= */

:root{
  --green:#0f8b6d;
  --green-dark:#08644f;
  --green-soft:#eef7f3;
  --mint:#eaf8f3;
  --orange:#e2761f;

  --ink:#15302a;          /* 本文 */
  --ink-2:#3c514b;        /* 補助本文 */
  --muted:#5b6b66;        /* 注釈 */
  --line:#dce7e2;         /* 罫線 */
  --line-strong:#c4d6cf;
  --bg:#f6f9f8;           /* 淡い背景 */
  --white:#fff;
  --placeholder:#eef2f0;  /* 画像が無いときの下地 */

  --shadow-sm:0 1px 2px rgba(16,44,36,.06);
  --shadow:0 4px 16px rgba(16,44,36,.08);
  --shadow-lg:0 10px 30px rgba(16,44,36,.12);

  --radius:14px;
  --radius-sm:10px;
  --radius-lg:18px;

  --header-h:80px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",system-ui,sans-serif;
  color:var(--ink);
  background:#fff;
  font-size:16px;
  line-height:1.7;
}
button,input,select,textarea{font:inherit;color:inherit}
button{cursor:pointer}
img{max-width:100%}
a{color:var(--green)}

.container{width:min(1180px,calc(100% - 40px));margin:auto}

/* ---------------------------------------------------------------- ヘッダー */
.header{
  height:var(--header-h);
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.97);
  position:sticky;top:0;z-index:30;
  backdrop-filter:blur(10px);
}
.header-inner{height:100%;display:flex;align-items:center;gap:20px}

.logo{display:flex;align-items:center;text-decoration:none;color:var(--ink);min-width:max-content}
.site-logo{display:block;width:auto;object-fit:contain}
.header-logo{height:60px;max-width:220px}
.logo-kana{display:none}

.header-search{
  flex:1;min-width:0;height:46px;
  border:1px solid var(--line);border-radius:var(--radius);
  display:flex;overflow:hidden;background:#fff;
}
.header-search input{border:0;outline:0;flex:1;min-width:0;background:transparent;padding:0 14px;font-size:15px}
.location-button,.search-button{border:0;white-space:nowrap;flex-shrink:0}
.location-button{background:#fff;padding:0 14px;border-right:1px solid var(--line);color:var(--ink-2);font-size:14px}
.search-button{background:var(--green);color:#fff;padding:0 22px;font-weight:700}
.search-button:hover{background:var(--green-dark)}

.header-actions{display:flex;align-items:center;gap:10px}
.header-actions .lang-wrap{display:flex;align-items:center;gap:6px}
.header-actions select{
  border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:8px 10px;background:#fff;font-size:14px;max-width:170px;
}
.icon-button{
  border:1px solid var(--line);background:#fff;border-radius:50%;
  width:40px;height:40px;display:grid;place-items:center;color:var(--ink-2);
}
.icon-button:hover{border-color:var(--green);color:var(--green)}
.icon-button svg{width:20px;height:20px;display:block}
.login-button{border:1px solid var(--line);background:#fff;border-radius:var(--radius-sm);padding:10px 16px;font-weight:700}
.login-button:hover{border-color:var(--green);color:var(--green)}

/* ------------------------------------------------------------ ボタン共通 */
.primary-button{
  border:0;background:var(--green);color:#fff;font-weight:700;
  border-radius:var(--radius-sm);padding:13px 22px;font-size:15px;transition:background .15s;
}
.primary-button:hover{background:var(--green-dark)}
.primary-button:disabled{opacity:.55;cursor:not-allowed}
.sell-button{border:0;background:var(--green);color:#fff;font-weight:700;border-radius:var(--radius-sm);padding:12px 18px}
.sell-button:hover{background:var(--green-dark)}
.secondary-button{
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  font-weight:700;border-radius:var(--radius-sm);padding:12px 20px;font-size:15px;
}
.secondary-button:hover{border-color:var(--green);color:var(--green)}
.text-button{border:0;background:transparent;color:var(--green);font-weight:700;padding:8px 0;font-size:15px}
.full{width:100%}
.large{padding:16px;margin-bottom:10px;font-size:16px}

/* -------------------------------------------------- 各ページ上部の戻るバー */
.page-back{
  position:sticky;top:var(--header-h);z-index:20;
  background:#fff;border-bottom:1px solid var(--line);
}
.page-back-inner{display:flex;align-items:center;gap:12px;min-height:56px;padding:6px 0}
.back-link{
  border:1px solid var(--line-strong);background:#fff;color:var(--ink);
  font-weight:700;font-size:15px;border-radius:999px;
  padding:10px 18px;min-height:44px;
  display:inline-flex;align-items:center;text-decoration:none;
}
.back-link:hover{border-color:var(--green);color:var(--green);background:var(--green-soft)}
.page-back-title{
  color:var(--muted);font-size:13px;font-weight:700;
  margin-left:auto;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

/* ------------------------------------------------------------- ページ切替 */
.page{display:none}
.page.active{display:block}

/* ------------------------------------------------------------------ ヒーロー */
.hero{background:var(--green-soft);padding:44px 0 52px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;align-items:center;gap:44px}
.hero h1{font-size:42px;line-height:1.35;margin:0 0 16px;font-weight:800}
.hero h1 em{font-style:normal;color:var(--green)}
.hero-copy>p{font-size:16px;line-height:1.9;color:var(--ink-2);max-width:610px;margin:0}
.hero-lead{display:block;font-size:14px;font-weight:700;color:var(--green-dark);margin-bottom:10px}
.hero-buttons{display:flex;gap:12px;margin:22px 0 0}
.eyebrow{display:block;font-size:13px;font-weight:700;color:var(--green-dark);margin-bottom:8px}

/* リレー図（帰国する人 → SWAPS → 来日する人） */
.relay-figure{
  margin-top:22px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px 18px 12px;max-width:600px;
}
.relay-row{display:flex;align-items:center;justify-content:space-between;gap:10px}
.relay-person{text-align:center;flex-shrink:0;width:116px}
.relay-person .pic{font-size:26px;display:block;line-height:1.3}
.relay-person small{font-size:12px;font-weight:700;color:var(--ink);display:block;margin-top:2px;line-height:1.5}
.relay-flow{flex:1;display:flex;align-items:center;justify-content:center;min-width:0;color:var(--line-strong)}
.relay-flow .arrow{color:var(--green);font-weight:700;font-size:18px}
.relay-hub{
  width:60px;height:60px;border-radius:50%;background:var(--green);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:12px;flex-shrink:0;
}
.relay-caption{
  text-align:center;font-size:13px;font-weight:700;color:var(--ink-2);
  margin:10px 0 0;border-top:1px solid var(--line);padding-top:9px;
}

/* 都道府県マップ */
.hero-visual{position:relative;display:block;max-width:560px;width:100%;margin:0 auto}
.japan-map-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:22px 22px 18px;
}
.map-card-head{display:flex;align-items:center;justify-content:space-between;gap:14px}
.map-card-head strong{display:block;font-size:19px}
.map-kicker{display:none}
.selected-region-badge{
  background:var(--green-soft);color:var(--green-dark);
  font-size:15px;font-weight:800;border-radius:999px;padding:6px 14px;white-space:nowrap;
}
.map-help{font-size:13px;color:var(--muted);margin:6px 0 10px}
.all-region-button{
  width:100%;border:1px solid var(--green);background:#fff;color:var(--green);
  font-weight:700;border-radius:var(--radius-sm);padding:12px;font-size:15px;
}
.all-region-button:hover{background:var(--green-soft)}
.floating-card,.card-chat,.card-safe{display:none}

#prefMap.pref-map{display:block;width:100%;max-width:400px;height:400px;margin:12px auto 14px;overflow:hidden}
#prefMap.pref-map>svg{width:100%;height:100%;display:block}
#prefMap.pref-map .prefecture{stroke:#fff;stroke-width:1.2;cursor:pointer;transition:fill .15s}
#prefMap.pref-map .boundary-line{stroke:#e6f1ec}
/* 外部CSSのtransformなどを地図内に効かせないための保険 */
#prefMap .prefecture,#prefMap .prefectures,#prefMap .svg-map,#prefMap .boundary-line{
  position:static;width:auto;height:auto;top:auto;left:auto;right:auto;bottom:auto;
}

/* ------------------------------------------------------------ 検索パネル */
.search-panel-wrap{margin-top:-26px;position:relative;z-index:2}
.search-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:20px;
  display:grid;grid-template-columns:1.5fr 1fr 1fr auto;gap:14px;align-items:end;
}
.field label,.filter-sidebar>label,.form-field label{
  display:block;font-size:13px;font-weight:700;margin-bottom:7px;color:var(--ink);
}
.field input,.field select,
.filter-sidebar input,.filter-sidebar select,
.form-field input,.form-field select,.form-field textarea{
  width:100%;border:1px solid var(--line-strong);border-radius:var(--radius-sm);
  padding:12px 13px;outline:none;background:#fff;font-size:16px;
}
.field input:focus,.field select:focus,
.filter-sidebar input:focus,.filter-sidebar select:focus,
.form-field input:focus,.form-field select:focus,.form-field textarea:focus{
  border-color:var(--green);box-shadow:0 0 0 3px rgba(15,139,109,.12);
}
.search-large{padding:14px 26px}

/* ---------------------------------------------------------------- セクション */
.section{padding:48px 0}
.soft-bg{background:var(--bg)}
.section-heading{display:flex;justify-content:space-between;align-items:baseline;gap:16px;margin-bottom:20px}
.section-heading h2,.how-card h2{font-size:26px;margin:0;font-weight:800}

/* カテゴリー */
.category-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:12px}
.category-card{
  border:1px solid var(--line);background:#fff;border-radius:var(--radius);
  padding:18px 8px;display:flex;flex-direction:column;gap:8px;align-items:center;
  transition:border-color .15s,background .15s;
}
.category-card:hover{border-color:var(--green);background:var(--green-soft)}
.category-card span{
  font-size:24px;line-height:1;width:48px;height:48px;border-radius:50%;
  background:var(--green-soft);display:grid;place-items:center;
}
.category-card strong{font-size:13px;font-weight:700}
.category-card small{display:none}

/* 商品カード */
.product-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.product-card{
  border:1px solid var(--line);border-radius:var(--radius);background:#fff;
  overflow:hidden;position:relative;transition:border-color .15s,box-shadow .15s;cursor:pointer;
}
.product-card:hover{border-color:var(--line-strong);box-shadow:var(--shadow)}
.product-image{
  height:190px;display:grid;place-items:center;font-size:44px;
  background:var(--placeholder);position:relative;overflow:hidden;
}
.product-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.favorite{
  position:absolute;right:10px;top:10px;z-index:2;
  border:1px solid var(--line);background:rgba(255,255,255,.95);
  width:38px;height:38px;border-radius:50%;font-size:18px;color:var(--muted);line-height:1;
}
.favorite.active{color:#d6455c;border-color:#f0c9d0}
.product-body{padding:14px}
.product-tags{display:flex;gap:6px;margin-bottom:8px;flex-wrap:wrap}
.mini-tag{font-size:11px;border-radius:999px;padding:4px 9px;background:var(--green-soft);color:var(--green-dark);font-weight:700}
.product-title{font-size:15px;margin:0 0 6px;line-height:1.5;font-weight:700;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.product-price{font-size:19px;font-weight:800;color:var(--ink)}
.product-location{font-size:12px;color:var(--muted);margin-top:6px}

/* 使い方 */
.how-card{
  border-radius:var(--radius-lg);background:var(--green);color:#fff;padding:34px;
  display:grid;grid-template-columns:.8fr 1.2fr;gap:32px;
}
.how-card p{color:#d9efe8;margin:6px 0 0}
.how-card .eyebrow{color:#b9f2df}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.step{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius);padding:20px;display:flex;flex-direction:column;gap:6px;
}
.step>span{display:grid;place-items:center;width:32px;height:32px;border-radius:50%;background:#fff;color:var(--green);font-weight:800}
.step small{color:#d9efe8;line-height:1.7}

/* ------------------------------------------------------------ 商品一覧ページ */
.page-layout{display:grid;grid-template-columns:260px 1fr;gap:26px;padding:24px 0 56px}
.filter-toggle{display:none}
.filter-sidebar{
  border:1px solid var(--line);border-radius:var(--radius);padding:20px;
  height:max-content;position:sticky;top:calc(var(--header-h) + 60px);background:#fff;
}
.filter-head{display:flex;justify-content:space-between;align-items:center}
.filter-head h3{margin:0;font-size:17px}
.filter-sidebar>label{margin-top:18px}
.price-row{display:flex;align-items:center;gap:8px}
.check-list{display:flex;flex-direction:column;gap:4px}
.check-list label{display:flex;align-items:center;gap:9px;cursor:pointer;font-size:15px;min-height:40px}
.filter-sidebar .check-list input[type="checkbox"],
.check-list input[type="checkbox"]{
  width:18px;height:18px;min-width:18px;border:0;padding:0;margin:0;
  border-radius:4px;accent-color:var(--green);flex-shrink:0;box-shadow:none;
}
.filter-sidebar .full{margin-top:22px}

.listing-top{display:flex;justify-content:space-between;align-items:flex-end;gap:14px;margin-bottom:18px}
.listing-top h1{margin:6px 0;font-size:28px}
.listing-top p,.breadcrumb{color:var(--muted);font-size:13px;margin:0}
.sort-select{border:1px solid var(--line-strong);border-radius:var(--radius-sm);padding:11px 12px;background:#fff;font-size:15px}

/* ------------------------------------------------------------ 商品詳細ページ */
.detail-wrap{padding:24px 0 56px}
.back-button{border:0;background:transparent;color:var(--muted);margin-bottom:14px;padding:8px 0;font-size:15px}
.back-button:hover{color:var(--green)}
.detail-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:34px}
.detail-image{
  height:480px;border-radius:var(--radius-lg);background:var(--placeholder);
  display:grid;place-items:center;font-size:110px;position:relative;overflow:hidden;
}
.detail-image img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.thumbnail-row{display:flex;gap:10px;margin-top:12px;flex-wrap:wrap}
.thumb{
  width:78px;height:66px;border-radius:var(--radius-sm);background:var(--placeholder);
  border:2px solid transparent;overflow:hidden;padding:0;position:relative;flex-shrink:0;
}
.thumb img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;display:block}
.thumb.active{border-color:var(--green)}
.thumb:hover{border-color:var(--line-strong)}

.category-pill{display:inline-block;background:var(--green-soft);color:var(--green-dark);padding:6px 12px;border-radius:999px;font-size:12px;font-weight:700}
.detail-info h1{font-size:28px;margin:14px 0;line-height:1.45}
.detail-meta{display:flex;gap:18px;color:var(--muted);font-size:13px;flex-wrap:wrap}
.detail-price{font-size:32px;font-weight:800;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line)}
.seller-card{display:flex;align-items:center;gap:12px;padding:18px 0;border-bottom:1px solid var(--line)}
.avatar{
  width:48px;height:48px;border-radius:50%;display:grid;place-items:center;
  background:var(--green-soft);font-weight:800;overflow:hidden;position:relative;flex-shrink:0;
}
.avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.seller-card div:nth-child(2){display:flex;flex-direction:column;flex:1;min-width:0}
.seller-card small{color:var(--muted);font-size:13px}
.detail-description{padding:18px 0}
.detail-description h3{font-size:16px;margin:0 0 8px}
.detail-description p{color:var(--ink-2);line-height:1.9;margin:0;white-space:pre-wrap}
.deal-info{
  display:grid;grid-template-columns:1fr 1fr;border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;margin-bottom:16px;gap:12px;
}
.deal-info div{display:flex;flex-direction:column;gap:4px}
.deal-info span{font-size:12px;color:var(--muted)}
.safety-note{font-size:13px;color:var(--muted);text-align:center;line-height:1.7}

/* ------------------------------------------------------------ 出品フォーム */
.sell-wrap{max-width:880px;padding:28px 0 64px}
.sell-header{margin-bottom:22px}
.sell-header h1{font-size:30px;margin:0 0 6px}
.sell-header p{color:var(--muted);margin:0}
.sell-form{display:flex;flex-direction:column;gap:18px}
.form-section{border:1px solid var(--line);border-radius:var(--radius-lg);padding:24px;background:#fff}
.form-section h2{font-size:17px;margin:0 0 18px}
.upload-area{
  border:1px dashed var(--line-strong);background:var(--bg);border-radius:var(--radius);
  padding:32px;text-align:center;position:relative;
}
.upload-area span{display:block;font-size:30px;line-height:1.2}
.upload-area strong,.upload-area small{display:block}
.upload-area small{color:var(--muted);margin-top:5px;font-size:13px}
.upload-area input{position:absolute;inset:0;opacity:0;cursor:pointer}
.upload-note{font-size:12px;color:var(--muted);margin-top:8px;text-align:center}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.full-span{grid-column:1/-1}
.price-type{display:flex;gap:10px;margin-bottom:18px;flex-wrap:wrap}
.price-type label{
  display:flex;align-items:center;gap:9px;border:1px solid var(--line-strong);
  border-radius:var(--radius-sm);padding:12px 16px;cursor:pointer;font-size:15px;flex:1;min-width:150px;
}
.price-type label:has(input:checked){border-color:var(--green);background:var(--green-soft);color:var(--green-dark);font-weight:700}
.price-type input{accent-color:var(--green);width:18px;height:18px}
.yen-input{display:flex;border:1px solid var(--line-strong);border-radius:var(--radius-sm);align-items:center;padding-left:12px;background:#fff}
.yen-input input{border:0}
.yen-input input:focus{box-shadow:none}
.form-actions{display:flex;justify-content:flex-end;gap:12px}

/* -------------------------------------------------------------- フッター */
.footer{background:var(--bg);color:var(--ink);padding:34px 0 16px;border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1fr 1fr 2.2fr;gap:28px}
.footer-grid>div{display:flex;flex-direction:column;gap:9px}
.footer-grid strong{color:var(--ink);font-size:15px}
.footer-grid p,.footer-grid a{color:var(--ink-2);font-size:14px;text-decoration:none}
.footer-grid a:hover{color:var(--green);text-decoration:underline}
.footer-bottom{border-top:1px solid var(--line);margin-top:22px;padding-top:16px;color:var(--muted);font-size:12px}
.footer-logo{height:48px;max-width:200px}
.partner-links{display:flex;flex-wrap:wrap;gap:20px;align-items:center;margin-top:4px}
.partner-links a{display:inline-flex;align-items:center;color:var(--green-dark);font-weight:700;font-size:14px;text-decoration:none}
.partner-links img{max-height:46px;max-width:180px;display:block;object-fit:contain}

/* ------------------------------------------------------ 関連サービスの帯 */
.crosssell{background:var(--green-soft);padding:20px 0}
.crosssell-inner{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap}
.crosssell-inner strong{display:block;font-size:16px;margin-bottom:4px}
.crosssell-inner p{margin:0;color:var(--green-dark);font-size:14px}
.crosssell-inner .secondary-button{background:#fff;white-space:nowrap;flex-shrink:0}

/* ------------------------------------------------------------ スマホ下部ナビ */
.mobile-nav{display:none}

/* ------------------------------------------------------------------ トースト */
.toast{
  position:fixed;left:50%;bottom:30px;transform:translate(-50%,20px);
  background:var(--ink);color:#fff;padding:13px 20px;border-radius:var(--radius-sm);
  opacity:0;pointer-events:none;transition:.2s;z-index:90;font-size:14px;
  max-width:calc(100% - 32px);text-align:center;line-height:1.6;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ------------------------------------------------- ヘッダーのユーザーメニュー */
.user-menu-wrap{position:relative;display:none}
.user-menu-wrap.show{display:block}
.user-chip{
  display:flex;align-items:center;gap:8px;border:1px solid var(--line);background:#fff;
  border-radius:999px;padding:5px 13px 5px 6px;font-weight:700;font-size:14px;color:var(--ink);
  max-width:190px;
}
.user-chip:hover{border-color:var(--green)}
.user-chip-avatar{
  width:28px;height:28px;border-radius:50%;background:var(--green-soft);flex-shrink:0;
  display:grid;place-items:center;font-size:15px;overflow:hidden;position:relative;
}
.user-chip-avatar img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.user-chip-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.user-chip-caret{color:var(--muted);font-size:11px;flex-shrink:0}
.user-menu{
  position:absolute;right:0;top:calc(100% + 8px);background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);box-shadow:var(--shadow-lg);padding:6px;min-width:200px;display:none;z-index:60;
}
.user-menu.open{display:block}
.user-menu button{
  display:block;width:100%;text-align:left;border:0;background:transparent;
  padding:12px 13px;border-radius:var(--radius-sm);font-weight:700;font-size:15px;color:var(--ink);
}
.user-menu button:hover{background:var(--bg)}
.user-menu button.danger{color:#c0392b;border-top:1px solid var(--line);border-radius:0;margin-top:4px}
.user-menu button.danger:hover{background:#fdeceb}

/* --------------------------------------------- 出品者プロフィールのモーダル */
.seller-modal{position:fixed;inset:0;z-index:80;display:grid;place-items:center}
.seller-modal-backdrop{position:absolute;inset:0;background:rgba(13,40,33,.45)}
.seller-modal-card{
  position:relative;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);
  width:min(420px,calc(100% - 32px));padding:26px;max-height:80vh;overflow-y:auto;
}
.seller-modal-close{position:absolute;right:10px;top:8px;border:0;background:transparent;font-size:26px;color:var(--muted);line-height:1;padding:6px 10px}
.seller-modal-head{display:flex;gap:14px;align-items:center;margin-bottom:8px}
.seller-modal-head .avatar{width:62px;height:62px;font-size:26px}
.seller-modal-head strong{font-size:18px;display:block;margin-bottom:4px}
.sm-row{display:flex;justify-content:space-between;gap:12px;border-top:1px solid var(--line);padding:11px 0;font-size:14px}
.sm-row span:first-child{color:var(--muted);flex-shrink:0}
.sm-row span:last-child{text-align:right;word-break:break-word}

/* ============================================================================
   タブレット（〜980px）
   ========================================================================= */
@media(max-width:980px){
  .header-search{display:none}
  .header-inner{justify-content:space-between;gap:12px}
  .hero-grid{grid-template-columns:1fr;gap:28px}
  .hero h1{font-size:34px}
  .search-panel{grid-template-columns:1fr 1fr}
  .category-grid{grid-template-columns:repeat(4,1fr)}
  .product-grid{grid-template-columns:repeat(3,1fr)}
  .how-card{grid-template-columns:1fr;gap:22px}
  .page-layout{grid-template-columns:1fr}
  .filter-sidebar{position:static}
  .detail-grid{grid-template-columns:1fr}
  .detail-image{height:400px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero-visual{max-width:520px}
}

/* ============================================================================
   スマートフォン（〜680px）
   ・文字は小さくしすぎない（本文14px以上・入力欄16px）
   ・押せるところは高さ44px以上
   ========================================================================= */
@media(max-width:680px){
  :root{--header-h:68px}
  body{padding-bottom:74px}
  .container{width:min(100% - 24px,1180px)}

  /* ヘッダー */
  .header-inner{gap:8px}
  .header-logo{height:50px;max-width:150px}
  .logo-kana{display:inline-block;font-size:13px;font-weight:800;color:var(--ink);margin-left:6px;white-space:nowrap}
  .header-actions{gap:6px;flex-shrink:0}
  .header-actions .lang-wrap strong{display:none}
  .header-actions select{max-width:104px;font-size:13px;padding:7px 6px}
  .header-actions .icon-button,
  .header-actions .login-button,
  .header-actions .sell-button{display:none}
  .header-actions .user-menu-wrap.show{display:block}
  .user-chip{max-width:120px;padding:4px 9px 4px 4px;font-size:13px;gap:6px}
  .user-chip-avatar{width:24px;height:24px;font-size:13px}
  .user-chip-caret{display:none}

  /* 戻るバー */
  .page-back-inner{min-height:48px}
  .back-link{font-size:15px}
  .page-back-title{display:none}

  /* ヒーロー */
  .hero{padding:24px 0 32px}
  .hero h1{font-size:27px;line-height:1.45;margin:0 0 12px}
  .hero-copy>p{font-size:15px;line-height:1.85}
  .hero-buttons{flex-direction:column;margin-top:18px}
  .hero-buttons button{width:100%;padding:15px}
  .relay-figure{margin-top:16px;padding:12px 12px 10px}
  .relay-person{width:74px}
  .relay-person .pic{font-size:22px}
  .relay-person small{font-size:11px}
  .relay-flow .arrow{font-size:15px}
  .relay-hub{width:50px;height:50px;font-size:10px}
  .relay-caption{font-size:12px}

  /* 地図 */
  .japan-map-card{padding:16px 14px 14px}
  .map-card-head strong{font-size:17px}
  .selected-region-badge{font-size:14px;padding:5px 12px}
  #prefMap.pref-map{height:300px;max-width:300px}

  /* 検索パネル */
  .search-panel-wrap{margin-top:-18px}
  .search-panel{grid-template-columns:1fr;padding:16px;gap:12px}
  .search-large{width:100%;padding:15px}

  /* セクション */
  .section{padding:30px 0}
  .section-heading{margin-bottom:14px;align-items:center}
  .section-heading h2,.how-card h2{font-size:21px}

  /* カテゴリー：3列にして文字を読める大きさに */
  .category-grid{grid-template-columns:repeat(3,1fr);gap:9px}
  .category-card{padding:14px 4px;gap:6px}
  .category-card span{font-size:22px;width:44px;height:44px}
  .category-card strong{font-size:12px;line-height:1.4}

  /* 商品カード */
  .product-grid{grid-template-columns:repeat(2,1fr);gap:11px}
  .product-image{height:150px;font-size:36px}
  .product-body{padding:11px}
  .product-title{font-size:14px;margin-bottom:5px}
  .product-price{font-size:17px}
  .product-location{font-size:12px}
  .favorite{width:36px;height:36px;right:8px;top:8px}

  /* 使い方 */
  .how-card{padding:20px}
  .steps{grid-template-columns:1fr;gap:10px}
  .step{padding:16px}

  /* 一覧ページ：絞り込みはボタンで開閉 */
  .page-layout{padding:12px 0 56px;gap:14px}
  .filter-toggle{
    display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;
    border:1px solid var(--line-strong);background:#fff;border-radius:var(--radius-sm);
    padding:14px 16px;font-weight:700;font-size:15px;color:var(--ink);
  }
  .filter-toggle:hover{border-color:var(--green)}
  .filter-sidebar{display:none;margin-top:10px}
  .filter-sidebar.open{display:block}
  .listing-top{flex-direction:column;align-items:stretch;gap:10px;margin-bottom:12px}
  .listing-top h1{font-size:23px;margin:4px 0}
  .sort-select{width:100%}

  /* 商品詳細 */
  .detail-wrap{padding:14px 0 56px}
  .detail-grid{gap:20px}
  .detail-image{height:290px;font-size:80px;border-radius:var(--radius)}
  .thumb{width:64px;height:56px}
  .detail-info h1{font-size:22px;margin:12px 0}
  .detail-price{font-size:27px;padding:14px 0}
  .deal-info{grid-template-columns:1fr;gap:14px}
  .large{padding:16px;font-size:16px}

  /* 出品フォーム */
  .sell-wrap{padding:14px 0 60px}
  .sell-header h1{font-size:24px}
  .form-section{padding:18px}
  .form-section h2{font-size:16px;margin-bottom:14px}
  .form-grid{grid-template-columns:1fr}
  .full-span{grid-column:auto}
  .price-type label{min-width:0;flex:1 1 100%}
  .form-actions{flex-direction:column-reverse}
  .form-actions button{width:100%;padding:15px}
  .upload-area{padding:24px 14px}

  /* フッター */
  .footer{padding:26px 0 12px}
  .footer-grid{grid-template-columns:1fr;gap:20px}
  .footer-grid p,.footer-grid a{font-size:14px;padding:3px 0}
  .footer-bottom{margin-top:16px;font-size:11px;text-align:center}
  .partner-links{gap:16px}
  .partner-links img{max-height:38px;max-width:150px}

  .crosssell{padding:18px 0}
  .crosssell-inner{flex-direction:column;align-items:flex-start}
  .crosssell-inner .secondary-button{width:100%}

  /* 下部ナビ */
  .mobile-nav{
    display:grid;grid-template-columns:repeat(5,1fr);
    position:fixed;bottom:0;left:0;right:0;
    height:calc(66px + env(safe-area-inset-bottom,0px));
    padding-bottom:env(safe-area-inset-bottom,0px);
    background:#fff;border-top:1px solid var(--line);z-index:40;
  }
  .mobile-nav button{
    border:0;background:transparent;color:var(--muted);
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;position:relative;
  }
  .mobile-nav button svg{width:22px;height:22px;display:block}
  .mobile-nav button span{font-size:10px;font-weight:700;line-height:1}
  .mobile-nav button.current{color:var(--green)}
  .mobile-nav .mobile-sell{
    width:56px;height:56px;border-radius:50%;background:var(--green);color:#fff;
    justify-self:center;transform:translateY(-12px);box-shadow:0 6px 16px rgba(15,139,109,.3);gap:1px;
  }
  .mobile-nav .mobile-sell span{font-size:9px}
  .mobile-nav .mobile-sell.current{color:#fff;background:var(--green-dark)}

  .toast{bottom:84px}
  .seller-modal-card{padding:20px;max-height:84vh}
}

/* 画面のとても狭い端末（〜360px） */
@media(max-width:360px){
  .category-grid{grid-template-columns:repeat(3,1fr);gap:7px}
  .category-card strong{font-size:11px}
  .product-image{height:130px}
  .header-logo{height:44px;max-width:120px}
  .logo-kana{display:none}
}

/* ============================================================================
   アイコン（絵文字の置き換え）
   JS が入れてくる絵文字（👤 📦 ♡ 📷 など）は文字を消して、
   背景に線画アイコンを敷いて表示します。写真があるときは画像が上に重なります。
   ========================================================================= */
.product-image,.detail-image,.mylist-thumb,
.avatar,.conv-avatar,.user-chip-avatar,.mypage-avatar,
.favorite,.avatar-cam{
  font-size:0 !important;color:transparent;
  background-repeat:no-repeat;background-position:center;
}

.product-image{background-color:var(--placeholder);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23a3bab2%22%20stroke-width%3D%221.8%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%223%22%20y%3D%225%22%20width%3D%2218%22%20height%3D%2214%22%20rx%3D%223%22%2F%3E%3Ccircle%20cx%3D%228.6%22%20cy%3D%2210.2%22%20r%3D%221.7%22%2F%3E%3Cpath%20d%3D%22m3.6%2017.4%204.9-4.3a2%202%200%200%201%202.7.1l5.9%205.6%22%2F%3E%3Cpath%20d%3D%22m14.5%2014.6%202.2-2a2%202%200%200%201%202.7.1L21%2014.2%22%2F%3E%3C%2Fsvg%3E");background-size:56px 56px}
.detail-image{background-color:var(--placeholder);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23a3bab2%22%20stroke-width%3D%221.6%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%223%22%20y%3D%225%22%20width%3D%2218%22%20height%3D%2214%22%20rx%3D%223%22%2F%3E%3Ccircle%20cx%3D%228.6%22%20cy%3D%2210.2%22%20r%3D%221.7%22%2F%3E%3Cpath%20d%3D%22m3.6%2017.4%204.9-4.3a2%202%200%200%201%202.7.1l5.9%205.6%22%2F%3E%3Cpath%20d%3D%22m14.5%2014.6%202.2-2a2%202%200%200%201%202.7.1L21%2014.2%22%2F%3E%3C%2Fsvg%3E");background-size:92px 92px}
.mylist-thumb{background-color:var(--placeholder);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%23a3bab2%22%20stroke-width%3D%222.0%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Crect%20x%3D%223%22%20y%3D%225%22%20width%3D%2218%22%20height%3D%2214%22%20rx%3D%223%22%2F%3E%3Ccircle%20cx%3D%228.6%22%20cy%3D%2210.2%22%20r%3D%221.7%22%2F%3E%3Cpath%20d%3D%22m3.6%2017.4%204.9-4.3a2%202%200%200%201%202.7.1l5.9%205.6%22%2F%3E%3Cpath%20d%3D%22m14.5%2014.6%202.2-2a2%202%200%200%201%202.7.1L21%2014.2%22%2F%3E%3C%2Fsvg%3E");background-size:30px 30px}
@media(max-width:680px){.detail-image{background-size:72px 72px}.product-image{background-size:46px 46px}}
.avatar{background-color:var(--green-soft);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%236f8c84%22%20stroke-width%3D%222.0%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228.6%22%20r%3D%223.7%22%2F%3E%3Cpath%20d%3D%22M4.9%2020.2a7.1%207.1%200%200%201%2014.2%200%22%2F%3E%3C%2Fsvg%3E");background-size:26px 26px}
.conv-avatar{background-color:var(--green-soft);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%236f8c84%22%20stroke-width%3D%222.0%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228.6%22%20r%3D%223.7%22%2F%3E%3Cpath%20d%3D%22M4.9%2020.2a7.1%207.1%200%200%201%2014.2%200%22%2F%3E%3C%2Fsvg%3E");background-size:24px 24px}
.user-chip-avatar{background-color:var(--green-soft);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%236f8c84%22%20stroke-width%3D%222.0%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228.6%22%20r%3D%223.7%22%2F%3E%3Cpath%20d%3D%22M4.9%2020.2a7.1%207.1%200%200%201%2014.2%200%22%2F%3E%3C%2Fsvg%3E");background-size:17px 17px}
.mypage-avatar{background-color:var(--green-soft);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%236f8c84%22%20stroke-width%3D%222.0%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%228.6%22%20r%3D%223.7%22%2F%3E%3Cpath%20d%3D%22M4.9%2020.2a7.1%207.1%200%200%201%2014.2%200%22%2F%3E%3C%2Fsvg%3E");background-size:32px 32px}
.seller-modal-head .avatar{background-size:32px 32px}
@media(max-width:680px){.mypage-avatar{background-size:28px 28px}}
.mypage-avatar .avatar-cam{background-color:rgba(255,255,255,.95);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%234a5e58%22%20stroke-width%3D%221.9%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M3.6%208h2.9l1.2-2h8.6l1.2%202h2.9A1.6%201.6%200%200%201%2022%209.6v8.8a1.6%201.6%200%200%201-1.6%201.6H3.6A1.6%201.6%200%200%201%202%2018.4V9.6A1.6%201.6%200%200%201%203.6%208z%22%2F%3E%3Ccircle%20cx%3D%2212%22%20cy%3D%2213.8%22%20r%3D%223.4%22%2F%3E%3C%2Fsvg%3E");background-size:13px 13px}
.mypage-avatar .avatar-cam{width:22px;height:22px;padding:0;border:1px solid var(--line);
  right:-1px;bottom:-1px;box-sizing:border-box}
.favorite{background-color:rgba(255,255,255,.95);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22none%22%20stroke%3D%22%237f918c%22%20stroke-width%3D%221.9%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M20.5%206a4.7%204.7%200%200%200-6.7%200L12%207.7%2010.2%206a4.7%204.7%200%201%200-6.7%206.7l1.7%201.7L12%2021l6.8-6.6%201.7-1.7a4.7%204.7%200%200%200%200-6.7z%22%2F%3E%3C%2Fsvg%3E");background-size:19px 19px}
.favorite.active{background-color:rgba(255,255,255,.95);background-image:url("data:image/svg+xml,%3Csvg%20xmlns%3D%22http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg%22%20viewBox%3D%220%200%2024%2024%22%20fill%3D%22%23d6455c%22%20stroke%3D%22%23d6455c%22%20stroke-width%3D%221.9%22%20stroke-linecap%3D%22round%22%20stroke-linejoin%3D%22round%22%3E%3Cpath%20d%3D%22M20.5%206a4.7%204.7%200%200%200-6.7%200L12%207.7%2010.2%206a4.7%204.7%200%201%200-6.7%206.7l1.7%201.7L12%2021l6.8-6.6%201.7-1.7a4.7%204.7%200%200%200%200-6.7z%22%2F%3E%3C%2Fsvg%3E");background-size:19px 19px}

/* 画面に直接置いている線画アイコン（カテゴリー・リレー図・写真アップロード） */
.category-card span svg{width:26px;height:26px;display:block;color:var(--green-dark)}
.relay-person .pic svg{width:30px;height:30px;display:block;margin:0 auto;color:var(--green-dark)}
.upload-area span svg{width:34px;height:34px;display:block;margin:0 auto;color:var(--muted)}
@media(max-width:680px){
  .category-card span svg{width:23px;height:23px}
  .relay-person .pic svg{width:25px;height:25px}
}