/* ============================================================
   MySAKE - 共通スタイル（アーティスティック版）
   ============================================================ */

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

:root {
  /* ── ダーク基調カラー ── */
  --bg:          #0e0e0e;
  --surface:     #161616;
  --card:        #1c1c1c;
  --border:      rgba(255,255,255,0.08);
  --border-gold: rgba(201,168,76,0.3);

  /* ── アクセント ── */
  --gold:        #c9a84c;
  --gold-dim:    rgba(201,168,76,0.15);
  --accent:      #8b1a1a;

  /* ── テキスト ── */
  --text:        #f0ede8;
  --text-muted:  rgba(240,237,232,0.45);
  --text-faint:  rgba(240,237,232,0.2);

  /* ── その他 ── */
  --radius:      4px;
  --radius-lg:   8px;
  --font:        'Helvetica Neue', Arial, 'Hiragino Sans', 'Yu Gothic', sans-serif;
}

html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  min-height: 100vh;
}
a { color: var(--gold); text-decoration: none; }
a:hover { opacity: 0.8; }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ─── ヘッダー ─────────────────────────────────── */
.site-header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 0 20px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-logo {
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  text-decoration: none;
}
.header-nav { display: flex; align-items: center; gap: 20px; }
.header-nav a {
  color: var(--text-muted);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  text-decoration: none;
}
.header-nav a:hover { color: var(--text); opacity: 1; }
.nav-join {
  color: var(--gold) !important;
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}
.nav-badge {
  background: var(--accent);
  color: #fff;
  font-size: 9px;
  padding: 2px 7px;
  letter-spacing: 0.08em;
}
.cart-btn {
  background: transparent;
  color: var(--text-muted) !important;
  border: 1px solid var(--border);
  padding: 6px 14px;
  font-size: 11px !important;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.cart-btn:hover { border-color: var(--gold); color: var(--gold) !important; opacity: 1; }
.cart-count {
  background: var(--gold);
  color: var(--bg);
  border-radius: 50%;
  width: 16px;
  height: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  font-weight: 500;
  margin-left: 6px;
}

/* ─── ヒーロー ─────────────────────────────────── */
.hero-section {
  padding: 72px 24px 64px;
  border-bottom: 1px solid var(--border);
  position: relative;
  max-width: 1000px;
  margin: 0 auto;
}
.hero-eyebrow {
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--text-faint);
  text-transform: uppercase;
  margin-bottom: 28px;
}
.hero-title {
  font-size: clamp(36px, 8vw, 56px);
  font-weight: 500;
  line-height: 1.1;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero-accent { color: var(--gold); font-style: normal; }
.hero-thin   { font-weight: 300; color: var(--text-muted); }
.hero-desc {
  font-size: 13px;
  line-height: 1.9;
  color: var(--text-muted);
  max-width: 400px;
  margin-bottom: 40px;
}
.hero-ctas { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.hero-index {
  position: absolute;
  right: 24px;
  bottom: 64px;
  text-align: right;
}
.hero-index-num {
  font-size: clamp(56px, 10vw, 96px);
  font-weight: 500;
  color: rgba(255,255,255,0.04);
  line-height: 1;
  letter-spacing: -0.03em;
}
.hero-index-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--text-faint);
  text-transform: uppercase;
}

/* ─── タグラインバー ───────────────────────────── */
.tagline-bar {
  background: var(--gold);
  color: var(--bg);
  text-align: center;
  padding: 13px 16px;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

/* ─── メインラップ ─────────────────────────────── */
.main-wrap {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ─── コラボバナー ─────────────────────────────── */
.collab-banner {
  display: block;
  border: 1px solid var(--border-gold);
  padding: 20px;
  margin: 32px 0 0;
  position: relative;
  text-decoration: none;
  color: var(--text);
}
.collab-banner::before {
  content: 'COLLAB';
  position: absolute;
  top: -8px;
  left: 16px;
  background: var(--bg);
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--gold);
  padding: 0 8px;
}
.collab-banner:hover { border-color: var(--gold); opacity: 1; }
.collab-banner-inner {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.collab-label {
  font-size: 9px;
  letter-spacing: 0.25em;
  color: var(--gold);
  margin-bottom: 6px;
  text-transform: uppercase;
}
.collab-title {
  font-size: 16px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 6px;
}
.collab-stock {
  font-size: 11px;
  color: var(--text-muted);
}
.collab-right { text-align: right; flex-shrink: 0; }
.collab-countdown {
  font-size: 18px;
  font-family: 'Courier New', monospace;
  color: var(--text-muted);
  letter-spacing: 0.05em;
  margin-bottom: 12px;
}

/* ─── フィルターバー ───────────────────────────── */
.filter-bar {
  display: flex;
  gap: 0;
  margin: 32px 0 0;
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
}
.filter-chip {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding: 10px 20px 10px 0;
  border: none;
  background: transparent;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  flex-shrink: 0;
}
.filter-chip.active { color: var(--text); border-bottom-color: var(--gold); }
.filter-chip:hover  { color: var(--text); }

/* ─── セクションヘッダー ──────────────────────── */
.section-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin: 28px 0 20px;
}
.section-eyebrow {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
}
.section-count {
  font-size: 10px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

/* ─── デザイングリッド ─────────────────────────── */
.design-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2px;
  margin: 0 -20px 40px;
}
@media (min-width: 600px) {
  .design-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (min-width: 900px) {
  .design-grid { grid-template-columns: repeat(4, 1fr); }
}

.design-card {
  background: var(--card);
  overflow: hidden;
  cursor: pointer;
  text-decoration: none;
  color: var(--text);
  display: block;
}
.design-card:hover { opacity: 1; }
.design-card:hover .design-card-overlay { opacity: 1; }

.design-card-img {
  width: 100%;
  aspect-ratio: 3/4;
  overflow: hidden;
  position: relative;
  background: var(--surface);
}
.design-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}
.design-card:hover .design-card-img img { transform: scale(1.04); }
.design-card-img-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
}
.placeholder-inner {
  font-size: 48px;
  color: var(--border);
}
.design-card-overlay {
  position: absolute;
  inset: 0;
  background: rgba(14,14,14,0.7);
  opacity: 0;
  transition: opacity 0.2s;
  display: flex;
  align-items: center;
  justify-content: center;
}
.design-card-overlay span {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gold);
}
.design-card-body { padding: 12px 14px 14px; }
.design-card-title {
  font-size: 13px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 5px;
  letter-spacing: 0.03em;
  display: flex;
  align-items: center;
  gap: 6px;
}
.design-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.design-card-artist {
  font-size: 10px;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}
.design-card-price {
  font-size: 12px;
  color: var(--gold);
  letter-spacing: 0.05em;
}
.badge-sakaeishi {
  font-size: 8px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gold-dim);
  color: var(--gold);
  padding: 2px 7px;
}

/* ─── エンプティステート ───────────────────────── */
.empty-state {
  text-align: center;
  padding: 80px 20px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 40px; margin-bottom: 16px; opacity: 0.3; }
.empty-state-text { font-size: 14px; letter-spacing: 0.05em; }

/* ─── ボタン ───────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 22px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-family: var(--font);
  transition: opacity 0.15s;
}
.btn:hover { opacity: 0.8; text-decoration: none; }
.btn-lg { padding: 12px 28px; font-size: 12px; }
.btn-sm { padding: 7px 16px; font-size: 10px; }
.btn-gold {
  background: var(--gold);
  color: var(--bg);
  font-weight: 500;
}
.btn-gold-sm {
  display: inline-block;
  background: transparent;
  color: var(--gold);
  border: 1px solid var(--border-gold);
  padding: 7px 16px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
}
.btn-gold-sm:hover { opacity: 0.8; }
.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: none;
  padding-left: 0;
  padding-right: 0;
  border-bottom: 1px solid rgba(255,255,255,0.2);
  border-radius: 0;
}
.btn-outline {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold); opacity: 1; }
.btn-primary {
  background: var(--gold);
  color: var(--bg);
  font-weight: 500;
}
.btn-danger {
  background: var(--accent);
  color: #fff;
}

/* ─── フォーム共通 ─────────────────────────────── */
.form-group { margin-bottom: 20px; }
.form-label {
  display: block;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 8px;
}
.form-control {
  width: 100%;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-size: 14px;
  outline: none;
  border-radius: 0;
}
.form-control:focus { border-color: var(--gold); }
.form-control::placeholder { color: var(--text-faint); }
.form-hint {
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 6px;
}
.form-error {
  font-size: 11px;
  color: #e05;
  margin-top: 6px;
}
select.form-control { appearance: none; cursor: pointer; }

/* ─── カード ───────────────────────────────────── */
.card {
  background: var(--card);
  border: 1px solid var(--border);
  margin-bottom: 16px;
}
.card-body { padding: 20px; }

/* ─── テーブル ─────────────────────────────────── */
.table-wrap { overflow-x: auto; }
table.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.data-table th {
  text-align: left;
  padding: 10px 14px;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}
.data-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.data-table tr:hover td { background: var(--surface); }

/* ─── バッジ・ステータス ───────────────────────── */
.badge {
  display: inline-block;
  font-size: 10px;
  letter-spacing: 0.08em;
  padding: 3px 10px;
  font-weight: 500;
}
.badge-pending  { background: rgba(201,168,76,0.15); color: var(--gold); }
.badge-approved { background: rgba(40,160,80,0.15);  color: #4caf78; }
.badge-rejected { background: rgba(200,40,40,0.15);  color: #e06060; }
.badge-draft    { background: var(--border);          color: var(--text-muted); }

/* ─── フラッシュメッセージ ─────────────────────── */
.flash {
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 13px;
  border-left: 2px solid;
}
.flash-success { border-color: #4caf78; color: #4caf78; background: rgba(40,160,80,0.08); }
.flash-error   { border-color: #e06060; color: #e06060; background: rgba(200,40,40,0.08); }
.flash-info    { border-color: var(--gold); color: var(--gold); background: var(--gold-dim); }

/* ─── ページタイトル ───────────────────────────── */
.page-title {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 28px;
  margin-top: 32px;
}
.page-title-lg {
  font-size: 24px;
  font-weight: 500;
  color: var(--text);
  margin-bottom: 24px;
  margin-top: 32px;
}

/* ─── フッター ─────────────────────────────────── */
.site-footer {
  border-top: 1px solid var(--border);
  padding: 28px 20px;
  margin-top: 60px;
}
.footer-inner {
  max-width: 1000px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}
.footer-brand-line {
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--text-faint);
  font-style: italic;
}
.footer-links { display: flex; gap: 16px; }
.footer-links a {
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-faint);
  text-decoration: none;
}
.footer-links a:hover { color: var(--text-muted); opacity: 1; }
.footer-copy {
  font-size: 10px;
  color: var(--text-faint);
  letter-spacing: 0.05em;
}

/* ─── 管理画面・その他共通 ────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
  margin-bottom: 24px;
}
@media (min-width: 480px) { .stats-grid { grid-template-columns: repeat(4, 1fr); } }
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 16px;
  text-align: center;
}
.stat-number { font-size: 28px; font-weight: 500; color: var(--gold); }
.stat-label  { font-size: 10px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-top: 4px; }

/* ─── カート ───────────────────────────────────── */
.cart-item {
  display: grid;
  grid-template-columns: 60px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 16px 0;
  border-bottom: 1px solid var(--border);
}
.cart-item-img {
  width: 60px;
  height: 80px;
  object-fit: cover;
  background: var(--surface);
}
.cart-summary {
  border-top: 1px solid var(--border);
  padding: 16px 0;
  text-align: right;
}
.cart-total {
  font-size: 20px;
  font-weight: 500;
  color: var(--gold);
}

/* ─── シミュレーター ───────────────────────────── */
.simulator-layout {
  display: grid;
  gap: 24px;
}
@media (min-width: 600px) {
  .simulator-layout { grid-template-columns: 1fr 1fr; }
}
.sim-dropzone {
  border: 1px dashed var(--border-gold);
  padding: 32px;
  text-align: center;
  cursor: pointer;
  background: var(--surface);
  position: relative;
}
.sim-dropzone:hover { border-color: var(--gold); }
.sim-dropzone-hover { border-color: var(--gold); background: var(--gold-dim); }
.sim-bottle-wrap { display: flex; justify-content: center; padding: 20px 0; }
.sim-bottle-container { position: relative; width: 258px; height: 384px; }
.sim-bottle-layer { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.sim-bottle-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; color: var(--text-faint); text-align: center;
  pointer-events: none;
}
.sim-crop-modal {
  position: fixed; inset: 0;
  background: rgba(0,0,0,0.85);
  z-index: 1000;
  display: flex; align-items: center; justify-content: center;
}
.sim-crop-modal-inner {
  background: var(--card);
  border: 1px solid var(--border);
  padding: 24px;
  max-width: 90vw;
}
.sim-crop-container { max-height: 60vh; overflow: hidden; }

/* ─── ユーティリティ ───────────────────────────── */
.text-center { text-align: center; }
.text-right  { text-align: right; }
.text-muted  { color: var(--text-muted); }
.text-gold   { color: var(--gold); }
.mt-16 { margin-top: 16px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.section { margin-bottom: 32px; }