/* ============================================================
   cotyleNet.css — COTYLE WAREHOUSE 共通デザインシステム
   Version: 1.0.0 / 2026-05-13
   Path: cotyle.net/assets/css/cotyleNet.css
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;1,300;1,400&family=DM+Sans:wght@300;400;500&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --c-black:    #0c0b09;
  --c-white:    #f9f7f4;
  --c-gray-100: #f2f0eb;
  --c-gray-200: #e0ddd6;
  --c-gray-400: #a09d96;
  --c-gray-600: #6b6862;
  --c-gray-800: #3a3834;
  --c-accent:   #0c0b09;
  --c-success:  #2a7a4b;
  --c-danger:   #a0281e;
  --c-warning:  #a06818;
  --c-info:     #1a4a7a;
  --sp-xs:  0.25rem;
  --sp-sm:  0.5rem;
  --sp-md:  1rem;
  --sp-lg:  1.5rem;
  --sp-xl:  2rem;
  --sp-2xl: 3rem;
  --border:    0.5px solid rgba(12,11,9,0.1);
  --border-md: 0.5px solid rgba(12,11,9,0.18);
  --r-sm: 2px;
  --r-md: 4px;
  --r-lg: 8px;
  --t-fast: 0.15s ease;
  --t-base: 0.25s ease;
  --font-display: helvetica,Hiragino Sans,Meiryo,sans-serif;
  --font-body:    'DM Sans', -apple-system, sans-serif;
  --font-mono:    'JetBrains Mono', 'Fira Code', monospace;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; -webkit-text-size-adjust: 100%; }
body { font-family: var(--font-body); font-weight: 400; color: var(--c-black); background: var(--c-white); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button { font-family: var(--font-body); cursor: pointer; }
img { max-width: 100%; display: block; }

.cot-page { display: flex; flex-direction: column; min-height: 100vh; background: var(--c-white); }
.cot-main { flex: 1; width: 100%; max-width: 860px; margin: 0 auto; padding: var(--sp-xl); }

.cot-nav { position: sticky; top: 0; z-index: 100; background: var(--c-white); border-bottom: var(--border-md); padding: 0 var(--sp-xl); height: 52px; display: flex; align-items: center; justify-content: space-between; }
.cot-nav-brand { display: flex; align-items: center; gap: var(--sp-sm); }
.cot-nav-eyebrow { font-size: 0.6875rem; font-weight: 500; letter-spacing: 0.12em; text-transform: uppercase; color: var(--c-black); }
.cot-nav-right { display: flex; align-items: center; gap: var(--sp-lg); }
.cot-nav-link { font-size: 0.8125rem; color: var(--c-gray-600); display: flex; align-items: center; gap: var(--sp-xs); transition: color var(--t-fast); }
.cot-nav-link:hover { color: var(--c-black); }

.cot-footer { border-top: var(--border); padding: var(--sp-md) var(--sp-xl); display: flex; align-items: center; justify-content: space-between; }
.cot-footer-text { font-size: 0.6875rem; color: var(--c-gray-400); letter-spacing: 0.06em; }

.t-display { font-family: var(--font-display); font-weight: 400; line-height: 1.2; letter-spacing: -0.01em; }
.t-display-lg { font-size: clamp(2rem, 5vw, 3.5rem); }
.t-display-md { font-size: clamp(1.5rem, 3.5vw, 2.25rem); }
.t-display-sm { font-size: clamp(1.25rem, 2.5vw, 1.75rem); }
.t-label { font-size: 0.6875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: var(--c-gray-600); }
.t-body-sm { font-size: 0.875rem; line-height: 1.6; }
.t-mono { font-family: var(--font-mono); font-size: 0.875rem; }

.cot-card-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-md); }
.cot-card-grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-md); }
@media (max-width: 600px) { .cot-card-grid, .cot-card-grid-3 { grid-template-columns: 1fr; } }

.cot-card { display: flex; flex-direction: column; background: var(--c-white); border: var(--border-md); border-radius: var(--r-md); padding: var(--sp-lg); cursor: pointer; transition: background var(--t-fast), border-color var(--t-fast), transform var(--t-fast); text-decoration: none; color: inherit; }
.cot-card:hover { background: var(--c-gray-100); border-color: var(--c-gray-400); }
.cot-card:active { transform: scale(0.99); }
.cot-card-full { grid-column: 1 / -1; }
.cot-card-top { display: flex; align-items: center; justify-content: space-between; margin-bottom: var(--sp-md); }
.cot-card-icon { width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; font-size: 1.25rem; color: var(--c-gray-600); background: var(--c-gray-100); border-radius: var(--r-sm); }
.cot-card-arrow { font-size: 1rem; color: var(--c-gray-400); transition: transform var(--t-fast); }
.cot-card:hover .cot-card-arrow { transform: translateX(3px); }
.cot-card-label { font-size: 0.9375rem; font-weight: 500; color: var(--c-black); margin-bottom: var(--sp-xs); }
.cot-card-desc { font-size: 0.8125rem; color: var(--c-gray-600); line-height: 1.5; }

.cot-metrics { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; border: var(--border-md); border-radius: var(--r-md); overflow: hidden; }
.cot-metric { padding: var(--sp-lg); border-right: var(--border); text-align: center; }
.cot-metric:last-child { border-right: none; }
.cot-metric-num { font-family: var(--font-display); font-size: clamp(1.75rem, 4vw, 2.5rem); font-weight: 300; color: var(--c-black); line-height: 1; margin-bottom: var(--sp-xs); }
.cot-metric-label { font-size: 0.6875rem; text-transform: uppercase; letter-spacing: 0.08em; color: var(--c-gray-600); }

.cot-section-head { display: flex; align-items: center; gap: var(--sp-md); }
.cot-section-line { flex: 1; height: 0.5px; background: rgba(12,11,9,0.1); }

.cot-btn { display: inline-flex; align-items: center; justify-content: center; gap: var(--sp-xs); border-radius: var(--r-md); font-size: 0.875rem; font-weight: 500; padding: var(--sp-sm) var(--sp-lg); border: var(--border-md); cursor: pointer; transition: all var(--t-fast); text-decoration: none; white-space: nowrap; }
.cot-btn:active { transform: scale(0.98); }
.cot-btn:disabled { opacity: 0.4; cursor: not-allowed; pointer-events: none; }
.cot-btn-primary { background: var(--c-black); color: var(--c-white); border-color: var(--c-black); }
.cot-btn-primary:hover { background: var(--c-gray-800); border-color: var(--c-gray-800); }
.cot-btn-ghost { background: transparent; color: var(--c-black); border-color: rgba(12,11,9,0.18); }
.cot-btn-ghost:hover { background: var(--c-gray-100); }

.cot-input, .cot-select { width: 100%; padding: var(--sp-sm) var(--sp-md); border: var(--border-md); border-radius: var(--r-md); font-family: var(--font-body); font-size: 0.9375rem; color: var(--c-black); background: var(--c-white); transition: border-color var(--t-fast); appearance: none; -webkit-appearance: none; }
.cot-input:focus, .cot-select:focus { outline: none; border-color: var(--c-black); }
.cot-input::placeholder { color: var(--c-gray-400); }
.cot-select { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23a09d96' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right var(--sp-md) center; padding-right: var(--sp-2xl); }

.cot-scan-wrap { display: flex; align-items: center; gap: var(--sp-md); border: 2px solid var(--c-black); border-radius: var(--r-md); padding: var(--sp-md) var(--sp-lg); background: var(--c-white); }
.cot-scan-wrap i { font-size: 1.5rem; color: var(--c-gray-600); flex-shrink: 0; }
.cot-scan-input { flex: 1; border: none; outline: none; font-family: var(--font-mono); font-size: 1.125rem; color: var(--c-black); background: transparent; }
.cot-scan-input::placeholder { color: var(--c-gray-400); font-size: 0.9375rem; }

.cot-table { width: 100%; border-collapse: collapse; font-size: 0.875rem; }
.cot-table th { text-align: left; padding: var(--sp-xs) var(--sp-md); font-size: 0.6875rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em; color: var(--c-gray-600); background: var(--c-gray-100); border-bottom: var(--border-md); }
.cot-table td { padding: var(--sp-sm) var(--sp-md); border-bottom: var(--border); color: var(--c-gray-800); vertical-align: middle; }
.cot-table tr:last-child td { border-bottom: none; }
.cot-table tr:hover td { background: var(--c-gray-100); }

.cot-badge { display: inline-flex; align-items: center; gap: 4px; font-size: 0.6875rem; font-weight: 500; padding: 2px 8px; border-radius: 20px; white-space: nowrap; }
.cot-badge-success { background: #e0f0e8; color: var(--c-success); }
.cot-badge-danger  { background: #f5e0de; color: var(--c-danger); }
.cot-badge-info    { background: #dbeafe; color: var(--c-info); }
.cot-badge-warning { background: #fef3cd; color: var(--c-warning); }
.cot-badge-neutral { background: var(--c-gray-100); color: var(--c-gray-600); }

.cot-result { background: var(--c-gray-100); border: var(--border-md); border-radius: var(--r-md); padding: var(--sp-md) var(--sp-lg); font-size: 0.875rem; color: var(--c-gray-800); line-height: 1.6; }
.cot-divider { height: 0.5px; background: rgba(12,11,9,0.1); border: none; margin: var(--sp-lg) 0; }

.cot-status { display: flex; align-items: center; gap: var(--sp-xs); font-size: 0.6875rem; color: var(--c-gray-600); }
.cot-status-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--c-success); animation: cot-pulse 2s ease-in-out infinite; flex-shrink: 0; }
@keyframes cot-pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }

.cot-hidden { display: none !important; }
.cot-flex { display: flex; }
.cot-flex-center { display: flex; align-items: center; justify-content: center; }
.cot-gap-sm { gap: var(--sp-sm); }
.cot-gap-md { gap: var(--sp-md); }
.cot-mt-sm { margin-top: var(--sp-sm); }
.cot-mt-md { margin-top: var(--sp-md); }
.cot-mt-lg { margin-top: var(--sp-lg); }
.cot-mb-md { margin-bottom: var(--sp-md); }
.cot-mb-lg { margin-bottom: var(--sp-lg); }
.cot-mb-xl { margin-bottom: var(--sp-xl); }
.cot-spin { display: inline-block; animation: cot-spin 0.8s linear infinite; }
@keyframes cot-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

@media (max-width: 600px) {
  .cot-main { padding: var(--sp-md); }
  .cot-nav { padding: 0 var(--sp-md); }
  .cot-footer { padding: var(--sp-md); }
}