/* ==========================================================================
   株式会社ケイエス機材 — 印刷機材直販＆見積依頼サイト
   Design: Industrial × Refined  B2B / 印刷業向け
   ========================================================================== */

:root {
  /* --- Palette --- */
  --crimson: #a03135;         /* KS crimson (DIC 577系) */
  --crimson-deep: #8a2528;
  --crimson-light: #c04549;
  --navy: #1a2a44;            /* 濃紺 見出し・強調 */
  --navy-soft: #2d3d5a;
  --gold: #c8a13f;            /* 品質感アクセント */
  --gold-soft: #d4b155;
  --ink: #1c1c1c;
  --ink-soft: #4a4a4a;
  --ink-mute: #7a7a7a;
  --paper: #ffffff;
  --paper-off: #faf8f5;       /* オフホワイト */
  --paper-alt: #f2ede4;       /* セカンダリ背景 */
  --rule: #d8d3c8;            /* 罫線 */
  --shadow: rgba(20, 20, 40, 0.08);
  --shadow-lg: rgba(20, 20, 40, 0.14);

  /* --- Typography --- */
  --sans: 'Zen Kaku Gothic New', 'Hiragino Kaku Gothic ProN', 'Yu Gothic', 'Meiryo', sans-serif;
  --serif: 'Noto Serif JP', 'Hiragino Mincho ProN', 'Yu Mincho', serif;
  --display: 'Barlow', 'Zen Kaku Gothic New', sans-serif;

  /* --- Layout --- */
  --max-w: 1240px;
  --max-narrow: 900px;
  --radius: 4px;
  --radius-lg: 8px;
  --gap: 24px;
}

/* --- Reset --- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  background: var(--paper);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--crimson); text-decoration: none; transition: color .2s; }
a:hover { color: var(--crimson-deep); }
button { font-family: inherit; cursor: pointer; }
h1, h2, h3, h4, h5 {
  font-family: var(--sans);
  color: var(--navy);
  line-height: 1.4;
  letter-spacing: 0.02em;
  font-weight: 700;
}

/* --- Utilities --- */
.container { max-width: var(--max-w); margin: 0 auto; padding: 0 24px; }
.narrow { max-width: var(--max-narrow); margin: 0 auto; padding: 0 24px; }
.text-center { text-align: center; }
.mono { font-variant-numeric: tabular-nums; }

/* --- Top Bar --- */
.top-bar {
  background: var(--navy);
  color: rgba(255,255,255,0.85);
  font-size: 12.5px;
  padding: 6px 24px;
}
.top-bar-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar-links a {
  color: rgba(255,255,255,0.75);
  margin-left: 18px;
  font-size: 12px;
  letter-spacing: 0.05em;
}
.top-bar-links a:hover { color: var(--gold); }
.top-bar strong { color: var(--gold); font-weight: 600; }

/* --- Header --- */
.site-header {
  background: var(--paper);
  border-bottom: 1px solid var(--rule);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px var(--shadow);
}
.site-header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 24px;
  max-width: var(--max-w);
  margin: 0 auto;
}
.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  color: var(--ink);
}
.brand-mark {
  display: flex;
  align-items: baseline;
  gap: 2px;
}
.brand-mark .k {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 900;
  color: var(--crimson);
  letter-spacing: -0.05em;
  line-height: 1;
}
.brand-mark .s {
  font-family: var(--display);
  font-size: 30px;
  font-weight: 900;
  color: var(--crimson);
  letter-spacing: -0.05em;
  line-height: 1;
  position: relative;
  top: 8px;
  margin-left: -6px;
}
.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}
.brand-name {
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--navy);
}
.brand-en {
  font-family: var(--display);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--ink-mute);
  text-transform: uppercase;
}
.nav {
  display: flex;
  gap: 24px;
  align-items: center;
}
.nav a {
  color: var(--navy);
  font-size: 13.5px;
  font-weight: 500;
  letter-spacing: 0.06em;
  padding: 8px 0;
  position: relative;
}
.nav a:hover { color: var(--crimson); }
.nav a.active { color: var(--crimson); }
.nav a.active::after {
  content: "";
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px; background: var(--crimson);
}
.nav-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px !important;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  color: var(--navy) !important;
  font-size: 13px !important;
  transition: all .2s;
}
.nav-icon:hover {
  border-color: var(--crimson);
  color: var(--crimson) !important;
  background: rgba(160, 49, 53, 0.04);
}
.nav-cta {
  background: var(--crimson);
  color: var(--paper) !important;
  padding: 10px 20px !important;
  border-radius: var(--radius);
  font-size: 13px !important;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.nav-cta:hover { background: var(--crimson-deep); color: var(--paper) !important; }
.cart-count {
  background: var(--gold);
  color: var(--navy);
  font-size: 11px;
  padding: 1px 6px;
  border-radius: 10px;
  min-width: 18px;
  text-align: center;
  font-weight: 700;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--rule);
  padding: 6px 10px;
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 18px;
}

/* --- Hero --- */
.hero {
  padding: 80px 24px 90px;
  background:
    linear-gradient(135deg, rgba(26, 42, 68, 0.95) 0%, rgba(45, 61, 90, 0.9) 100%),
    repeating-linear-gradient(45deg, transparent, transparent 30px, rgba(255,255,255,0.02) 30px, rgba(255,255,255,0.02) 31px);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.hero::before {
  content: "";
  position: absolute;
  top: -50px;
  right: -100px;
  width: 400px;
  height: 400px;
  background: radial-gradient(circle, rgba(160, 49, 53, 0.15) 0%, transparent 70%);
}
.hero-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  align-items: center;
  position: relative;
}
.hero-kicker {
  font-family: var(--display);
  color: var(--gold);
  letter-spacing: 0.3em;
  font-size: 12px;
  margin-bottom: 20px;
  text-transform: uppercase;
  font-weight: 600;
}
.hero h1 {
  color: var(--paper);
  font-size: clamp(28px, 4vw, 42px);
  line-height: 1.4;
  margin: 0 0 24px;
  font-weight: 700;
}
.hero h1 strong { color: var(--gold); }
.hero-sub {
  font-size: clamp(14px, 1.4vw, 16px);
  color: rgba(255, 255, 255, 0.85);
  max-width: 560px;
  margin: 0 0 32px;
  line-height: 2;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero-visual {
  position: relative;
  height: 340px;
}
.hero-visual-card {
  position: absolute;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-lg);
  padding: 20px;
  color: var(--paper);
  backdrop-filter: blur(8px);
  transition: transform .3s;
}
.hero-visual-card:hover { transform: translateY(-4px); }
.hero-visual-card h4 {
  color: var(--gold);
  font-size: 13px;
  margin: 0 0 6px;
  letter-spacing: 0.1em;
  font-weight: 600;
}
.hero-visual-card p {
  color: rgba(255,255,255,0.85);
  font-size: 13px;
  margin: 0;
  line-height: 1.7;
}
.hero-visual-card .num {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 700;
  color: var(--paper);
  margin-bottom: 6px;
}
.hero-visual-card:nth-child(1) { top: 0; left: 20px; width: 220px; }
.hero-visual-card:nth-child(2) { top: 100px; right: 0; width: 200px; }
.hero-visual-card:nth-child(3) { bottom: 20px; left: 60px; width: 220px; }

/* --- Buttons --- */
.btn {
  display: inline-block;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-family: var(--sans);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  border: none;
  transition: all .2s;
  text-align: center;
}
.btn-primary {
  background: var(--crimson);
  color: var(--paper);
  box-shadow: 0 3px 0 var(--crimson-deep);
}
.btn-primary:hover {
  color: var(--paper);
  transform: translateY(-1px);
  box-shadow: 0 4px 0 var(--crimson-deep);
}
.btn-ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(255, 255, 255, 0.4);
}
.btn-ghost:hover {
  background: var(--paper);
  color: var(--navy);
}
.btn-outline {
  background: transparent;
  color: var(--navy);
  border: 1.5px solid var(--navy);
}
.btn-outline:hover {
  background: var(--navy);
  color: var(--paper);
}
.btn-gold {
  background: var(--gold);
  color: var(--navy);
  box-shadow: 0 3px 0 #a68430;
  font-weight: 700;
}
.btn-gold:hover { background: var(--gold-soft); color: var(--navy); }

.btn-lg { padding: 15px 36px; font-size: 15px; }
.btn-sm { padding: 8px 16px; font-size: 12.5px; }
.btn-full { display: block; width: 100%; }

/* --- Section --- */
.section {
  padding: 80px 0;
}
.section-alt {
  background: var(--paper-off);
}
.section-navy {
  background: var(--navy);
  color: var(--paper);
}
.section-navy h1, .section-navy h2, .section-navy h3 { color: var(--paper); }
.section-title {
  text-align: center;
  margin: 0 0 12px;
  font-size: clamp(24px, 3.2vw, 32px);
  color: var(--navy);
}
.section-navy .section-title { color: var(--paper); }
.section-title-en {
  text-align: center;
  font-family: var(--display);
  color: var(--crimson);
  letter-spacing: 0.35em;
  font-size: 12px;
  text-transform: uppercase;
  font-weight: 700;
  margin-bottom: 8px;
}
.section-navy .section-title-en { color: var(--gold); }
.section-lead {
  text-align: center;
  color: var(--ink-soft);
  max-width: 640px;
  margin: 0 auto 56px;
  line-height: 2;
  font-size: 14px;
}
.section-navy .section-lead { color: rgba(255,255,255,0.8); }

/* --- Manufacturer Strip (メーカーロゴ帯) --- */
.mfr-strip {
  padding: 40px 24px;
  background: var(--paper-off);
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}
.mfr-strip-title {
  text-align: center;
  font-family: var(--display);
  color: var(--ink-mute);
  letter-spacing: 0.25em;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 24px;
}
.mfr-strip-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 24px;
  align-items: center;
}
.mfr-strip-item {
  text-align: center;
  padding: 12px 10px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  font-size: 12px;
  color: var(--navy);
  font-weight: 500;
  transition: all .2s;
  line-height: 1.4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  min-height: 74px;
  justify-content: center;
}
.mfr-strip-item:hover {
  border-color: var(--crimson);
  color: var(--crimson);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px var(--shadow);
}
.mfr-strip-logo {
  max-height: 36px;
  max-width: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  filter: grayscale(0.15);
  transition: filter .2s;
}
.mfr-strip-item:hover .mfr-strip-logo { filter: grayscale(0); }
.mfr-strip-noname {
  color: var(--ink-soft);
  font-size: 11.5px;
  font-weight: 700;
}
.mfr-strip-label {
  font-size: 10.5px;
  color: var(--ink-mute);
  letter-spacing: 0.02em;
}
.mfr-strip-more { justify-content: center; padding: 22px 10px; }
.mfr-strip-more .mfr-strip-noname { color: var(--crimson); }

/* --- Category Grid (カテゴリ導線) --- */
.cat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.cat-card {
  display: block;
  padding: 32px 24px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  text-align: center;
  transition: all .3s;
  color: var(--navy);
  position: relative;
  overflow: hidden;
}
.cat-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px; background: var(--crimson);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .3s;
}
.cat-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px var(--shadow-lg);
  color: var(--navy);
}
.cat-card:hover::before { transform: scaleX(1); }
.cat-icon {
  width: 60px;
  height: 60px;
  margin: 0 auto 16px;
  background: linear-gradient(135deg, rgba(160,49,53,0.08), rgba(200,161,63,0.08));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  color: var(--crimson);
  font-size: 22px;
  font-weight: 700;
}
.cat-name {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--navy);
}
.cat-count {
  font-size: 12px;
  color: var(--ink-mute);
  font-family: var(--display);
  letter-spacing: 0.1em;
}

/* --- AI アシスト検索パネル --- */
.ai-search-panel {
  background: linear-gradient(135deg, rgba(160, 49, 53, 0.04) 0%, rgba(200, 161, 63, 0.04) 100%);
  border: 1px solid var(--rule);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-lg);
  padding: 20px 24px;
  margin-bottom: 24px;
}
.ai-search-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.ai-search-badge {
  display: inline-block;
  background: var(--navy);
  color: var(--gold);
  padding: 3px 12px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  font-family: var(--display);
}
.ai-search-hint {
  font-size: 12.5px;
  color: var(--ink-soft);
}
.ai-search-form {
  display: flex;
  gap: 10px;
}
.ai-search-form input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.ai-search-form input:focus {
  outline: none;
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(160, 49, 53, 0.1);
}
.ai-search-form .btn {
  flex: 0 0 auto;
  white-space: nowrap;
}
.ai-search-result {
  margin-top: 14px;
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.7;
}
.ai-search-loading {
  background: var(--paper);
  border-left: 3px solid var(--gold);
  color: var(--ink-mute);
}
.ai-search-success {
  background: var(--paper);
  border-left: 3px solid var(--crimson);
  color: var(--ink-soft);
  position: relative;
}
.ai-search-success strong { color: var(--navy); font-size: 14px; }
.ai-search-empty {
  background: var(--paper-off);
  border-left: 3px solid var(--ink-mute);
  color: var(--ink-soft);
}
.ai-search-error {
  background: rgba(217, 123, 41, 0.06);
  border-left: 3px solid #d97b29;
  color: #8a5216;
}
.ai-search-clear {
  display: inline-block;
  margin-top: 8px;
  padding: 4px 10px;
  border: 1px solid var(--rule);
  background: var(--paper);
  color: var(--ink-soft);
  font-size: 11.5px;
  border-radius: 3px;
  cursor: pointer;
  font-family: inherit;
}
.ai-search-clear:hover {
  border-color: var(--crimson);
  color: var(--crimson);
}

/* --- Product List / Grid --- */
.product-toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  background: var(--paper-off);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.product-toolbar-info {
  font-size: 13px;
  color: var(--ink-soft);
}
.product-toolbar-info strong { color: var(--navy); font-weight: 700; }
.product-toolbar select,
.product-toolbar input {
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
}
.product-toolbar input { min-width: 220px; }

.product-layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 32px;
  margin-top: 24px;
}

.filter-sidebar {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 20px;
  align-self: start;
  position: sticky;
  top: 90px;
}
.filter-group {
  margin-bottom: 24px;
}
.filter-group:last-child { margin-bottom: 0; }
.filter-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--navy);
  border-bottom: 2px solid var(--gold);
  padding-bottom: 8px;
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.filter-option {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 6px 0;
  font-size: 13px;
  cursor: pointer;
}
.filter-option label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: var(--ink-soft);
  transition: color .2s;
}
.filter-option label:hover { color: var(--crimson); }
.filter-option input { accent-color: var(--crimson); }
.filter-option .count {
  font-size: 11.5px;
  color: var(--ink-mute);
  font-family: var(--display);
}

.product-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 20px;
}
.product-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .3s;
  display: flex;
  flex-direction: column;
}
.product-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--shadow);
  border-color: var(--crimson-light);
}
.product-cover {
  height: 160px;
  background: linear-gradient(135deg, #eef1f6 0%, #d8dce4 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-family: var(--display);
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.05em;
  position: relative;
  border-bottom: 1px solid var(--rule);
}
.product-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 8px, rgba(0,0,0,0.02) 8px, rgba(0,0,0,0.02) 9px);
}
.product-body {
  padding: 16px 18px;
  flex: 1;
  display: flex;
  flex-direction: column;
}
.product-mfr {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.08em;
  margin-bottom: 6px;
  font-weight: 600;
  text-transform: uppercase;
}
.product-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 8px;
  line-height: 1.5;
  min-height: 42px;
}
.product-model {
  font-family: var(--display);
  font-size: 12px;
  color: var(--crimson);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  font-weight: 600;
}
.product-cat {
  display: inline-block;
  font-size: 11px;
  padding: 2px 8px;
  background: var(--paper-alt);
  color: var(--ink-soft);
  border-radius: 3px;
  margin-bottom: 12px;
}
.product-cta {
  display: block;
  text-align: center;
  padding: 8px;
  border: 1px solid var(--navy);
  color: var(--navy);
  border-radius: var(--radius);
  font-size: 12.5px;
  font-weight: 600;
  transition: all .2s;
  margin-top: auto;
}
.product-cta:hover {
  background: var(--navy);
  color: var(--paper);
}

/* --- Product Detail --- */
.detail-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-top: 40px;
}
.detail-cover {
  height: 400px;
  background: linear-gradient(135deg, #eef1f6 0%, #d8dce4 100%);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--display);
  color: var(--navy);
  font-size: 40px;
  font-weight: 700;
  letter-spacing: 0.05em;
  position: relative;
  overflow: hidden;
}
.detail-cover::before {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(0,0,0,0.02) 10px, rgba(0,0,0,0.02) 11px);
}
.detail-info { padding: 20px 0; }
.detail-mfr {
  font-size: 12px;
  color: var(--ink-mute);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  font-weight: 600;
  margin-bottom: 8px;
}
.detail-info h1 {
  font-size: clamp(20px, 2.6vw, 28px);
  margin: 0 0 12px;
  line-height: 1.4;
}
.detail-model {
  font-family: var(--display);
  font-size: 18px;
  color: var(--crimson);
  letter-spacing: 0.06em;
  font-weight: 600;
  margin-bottom: 24px;
}
.spec-table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
}
.spec-table th, .spec-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  font-size: 13.5px;
}
.spec-table th {
  background: var(--paper-off);
  font-weight: 600;
  color: var(--navy);
  width: 35%;
  border-bottom: 2px solid var(--gold);
}
.detail-info .btn-primary { margin-top: 16px; }
.detail-note {
  font-size: 12.5px;
  color: var(--ink-mute);
  padding: 12px 16px;
  background: var(--paper-alt);
  border-radius: var(--radius);
  margin-top: 16px;
  line-height: 1.7;
}

/* --- Cart --- */
.cart-layout {
  display: grid;
  grid-template-columns: 1fr 340px;
  gap: 32px;
  margin-top: 32px;
}
.cart-items {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.cart-header {
  padding: 16px 24px;
  background: var(--paper-off);
  border-bottom: 1px solid var(--rule);
  font-size: 13px;
  color: var(--ink-soft);
  font-weight: 600;
}
.cart-item {
  display: grid;
  grid-template-columns: 80px 1fr auto auto;
  gap: 20px;
  padding: 20px 24px;
  border-bottom: 1px solid var(--rule);
  align-items: center;
}
.cart-item:last-child { border-bottom: none; }
.cart-item-cover {
  width: 80px; height: 80px;
  background: linear-gradient(135deg, #eef1f6, #d8dce4);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-family: var(--display);
  font-size: 12px;
  font-weight: 700;
}
.cart-item-mfr {
  font-size: 11px;
  color: var(--ink-mute);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 4px;
  font-weight: 600;
}
.cart-item-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--navy);
  margin: 0 0 4px;
}
.cart-item-model {
  font-family: var(--display);
  font-size: 12.5px;
  color: var(--crimson);
  letter-spacing: 0.05em;
  font-weight: 600;
}
.qty-ctrl {
  display: inline-flex;
  align-items: center;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}
.qty-ctrl button {
  border: none;
  background: transparent;
  width: 32px;
  height: 32px;
  font-size: 15px;
  color: var(--navy);
  font-weight: 600;
}
.qty-ctrl input {
  width: 44px;
  border: none;
  text-align: center;
  background: transparent;
  font-family: inherit;
  font-size: 14px;
  font-weight: 600;
}
.cart-item-remove {
  background: none;
  border: none;
  color: var(--ink-mute);
  font-size: 18px;
  padding: 8px;
  cursor: pointer;
  transition: color .2s;
}
.cart-item-remove:hover { color: var(--crimson); }

.cart-summary {
  background: var(--navy);
  color: var(--paper);
  padding: 28px;
  border-radius: var(--radius-lg);
  position: sticky;
  top: 90px;
  align-self: start;
}
.cart-summary h3 {
  color: var(--paper);
  margin: 0 0 20px;
  font-size: 16px;
  letter-spacing: 0.05em;
}
.cart-summary-row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(255, 240, 200, 0.15);
  font-size: 13.5px;
}
.cart-summary-row:last-of-type { border-bottom: none; }
.cart-summary-label { color: rgba(255,255,255,0.7); }
.cart-summary-value { color: var(--paper); font-weight: 600; }
.cart-notice {
  font-size: 11.5px;
  color: rgba(255,255,255,0.6);
  margin-top: 20px;
  line-height: 1.7;
  padding: 12px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
}

/* --- Forms --- */
.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}
.form-grid .full { grid-column: 1 / -1; }
.form-group { display: flex; flex-direction: column; }
.form-group label {
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--navy);
  font-weight: 600;
}
.form-group label .required { color: var(--crimson); margin-left: 4px; }
.form-group input,
.form-group select,
.form-group textarea {
  padding: 12px 14px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  font-family: inherit;
  font-size: 14px;
  color: var(--ink);
  transition: border-color .2s, box-shadow .2s;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--crimson);
  box-shadow: 0 0 0 3px rgba(160, 49, 53, 0.1);
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-hint {
  font-size: 12px;
  color: var(--ink-mute);
  margin-top: 4px;
}

/* --- Form Panels --- */
.form-panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}
.form-panel h2 {
  font-size: 18px;
  margin: 0 0 20px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
}
.notice {
  padding: 14px 20px;
  border-radius: var(--radius);
  border-left: 3px solid var(--gold);
  background: var(--paper-alt);
  font-size: 13px;
  margin: 16px 0;
  color: var(--ink-soft);
  line-height: 1.8;
}
.notice strong { color: var(--navy); }
.notice-crimson {
  border-left-color: var(--crimson);
  background: rgba(160, 49, 53, 0.05);
}
.notice-navy {
  border-left-color: var(--navy);
  background: var(--paper-off);
}

/* --- News --- */
.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.news-item {
  display: grid;
  grid-template-columns: 100px auto 1fr auto;
  gap: 20px;
  padding: 18px 24px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  transition: all .2s;
  align-items: center;
  color: var(--ink);
}
.news-item:hover {
  border-color: var(--crimson);
  background: var(--paper-off);
  color: var(--ink);
}
.news-date {
  font-family: var(--display);
  font-size: 13px;
  color: var(--ink-mute);
  font-weight: 600;
  letter-spacing: 0.05em;
}
.news-cat {
  font-size: 11px;
  padding: 3px 10px;
  background: var(--crimson);
  color: var(--paper);
  border-radius: 3px;
  font-weight: 600;
  letter-spacing: 0.05em;
}
.news-cat.info { background: var(--navy); }
.news-title {
  font-size: 14.5px;
  color: var(--navy);
  font-weight: 600;
}
.news-arrow {
  color: var(--crimson);
  font-size: 16px;
}

/* --- Company Block --- */
.company-block {
  margin: 40px 0;
  padding: 36px 40px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  border-left: 4px solid var(--crimson);
}
.company-block h2 {
  margin: 0 0 20px;
  font-size: 22px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--gold);
}
.company-block p { color: var(--ink-soft); line-height: 2; margin: 0 0 12px; }

.table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.table th, .table td {
  padding: 14px 16px;
  border-bottom: 1px solid var(--rule);
  text-align: left;
  font-size: 14px;
  vertical-align: top;
}
.table th {
  font-weight: 700;
  color: var(--navy);
  background: var(--paper-off);
  width: 30%;
  border-bottom: 1px solid var(--rule);
}

/* --- Footer --- */
.site-footer {
  background: var(--navy);
  color: rgba(255, 240, 210, 0.75);
  padding: 60px 24px 30px;
  font-size: 13.5px;
}
.footer-grid {
  max-width: var(--max-w);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand-mark {
  display: inline-flex;
  align-items: baseline;
  gap: 2px;
  margin-bottom: 12px;
}
.footer-brand-mark .k, .footer-brand-mark .s {
  font-family: var(--display);
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: -0.05em;
  line-height: 1;
}
.footer-brand-mark .s { top: 8px; position: relative; margin-left: -6px; }
.footer-brand-name {
  color: var(--paper);
  font-size: 18px;
  letter-spacing: 0.06em;
  font-weight: 700;
  margin-bottom: 8px;
}
.footer-brand-en {
  font-family: var(--display);
  color: var(--gold);
  letter-spacing: 0.2em;
  font-size: 11px;
  margin-bottom: 20px;
  text-transform: uppercase;
  font-weight: 600;
}
.site-footer h4 {
  color: var(--paper);
  font-size: 14px;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.footer-list { list-style: none; padding: 0; margin: 0; }
.footer-list li { padding: 4px 0; }
.footer-list a { color: rgba(255, 240, 210, 0.7); font-size: 13px; }
.footer-list a:hover { color: var(--gold); }
.footer-bottom {
  max-width: var(--max-w);
  margin: 30px auto 0;
  display: flex;
  justify-content: space-between;
  color: rgba(255, 240, 210, 0.5);
  font-size: 12px;
  flex-wrap: wrap;
  gap: 10px;
}

/* --- Breadcrumb --- */
.breadcrumb {
  font-size: 12px;
  color: var(--ink-mute);
  margin: 20px 0;
  letter-spacing: 0.05em;
}
.breadcrumb a { color: var(--ink-mute); }
.breadcrumb a:hover { color: var(--crimson); }

/* --- Mypage tabs / status --- */
.mypage-tabs {
  display: flex;
  gap: 4px;
  margin-bottom: 24px;
  border-bottom: 2px solid var(--rule);
}
.mypage-tab {
  padding: 12px 20px;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-mute);
  cursor: pointer;
  border-bottom: 3px solid transparent;
  margin-bottom: -2px;
  transition: all .2s;
}
.mypage-tab.active {
  color: var(--crimson);
  border-bottom-color: var(--crimson);
}
.mypage-tab:hover { color: var(--navy); }

.status-badge {
  display: inline-block;
  padding: 3px 12px;
  font-size: 11.5px;
  font-weight: 700;
  border-radius: 20px;
  letter-spacing: 0.05em;
}
.status-draft { background: #eee; color: #666; }
.status-pending { background: #fff2cc; color: #a67e00; }
.status-quoted { background: #cfe4ff; color: #1a5490; }
.status-ordered { background: #ffe0d4; color: #a03135; }
.status-shipped { background: #d4f0d4; color: #2b6b2b; }
.status-delivered { background: #d0e8d0; color: #1a5c1a; }

.quote-row {
  display: grid;
  grid-template-columns: 120px 90px 1fr auto auto;
  gap: 16px;
  padding: 16px 20px;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  background: var(--paper);
  align-items: center;
  transition: all .2s;
  margin-bottom: 10px;
}
.quote-row:hover {
  border-color: var(--crimson);
  box-shadow: 0 4px 12px var(--shadow);
}
.quote-no {
  font-family: var(--display);
  font-size: 13px;
  color: var(--crimson);
  font-weight: 700;
}
.quote-date {
  font-size: 12.5px;
  color: var(--ink-mute);
}
.quote-title {
  font-size: 14px;
  color: var(--navy);
  font-weight: 600;
}
.quote-title small {
  display: block;
  font-size: 11.5px;
  color: var(--ink-mute);
  font-weight: 400;
  margin-top: 2px;
}
.quote-action { }
.quote-action a {
  padding: 6px 12px;
  border: 1px solid var(--navy);
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 12px;
  font-weight: 600;
}
.quote-action a:hover { background: var(--navy); color: var(--paper); }

/* --- Login / Register --- */
.auth-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-top: 40px;
  align-items: start;
}
.auth-panel {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.auth-panel h2 {
  font-size: 20px;
  margin: 0 0 8px;
  padding-bottom: 0;
  border-bottom: none;
}
.auth-panel .sub {
  color: var(--ink-mute);
  font-size: 13px;
  margin-bottom: 24px;
}

/* --- Manufacturer Card --- */
.mfr-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}
.mfr-detail-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 24px;
  transition: all .2s;
  display: grid;
  grid-template-columns: 120px 1fr;
  gap: 20px;
  align-items: center;
}
.mfr-detail-card:hover {
  border-color: var(--crimson);
  box-shadow: 0 6px 20px var(--shadow);
}
.mfr-detail-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 80px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 8px;
}
.mfr-detail-logo img {
  max-height: 60px;
  max-width: 100%;
  object-fit: contain;
}
.mfr-detail-logo-placeholder {
  color: var(--ink-soft);
  font-size: 12px;
  font-weight: 700;
  text-align: center;
  padding: 8px;
}
.mfr-detail-info { min-width: 0; }
.mfr-detail-card h3 {
  font-size: 15px;
  margin: 0 0 8px;
  color: var(--navy);
}
.mfr-detail-card p {
  font-size: 12.5px;
  color: var(--ink-soft);
  line-height: 1.8;
  margin: 0 0 12px;
}
.mfr-detail-card .count {
  font-family: var(--display);
  color: var(--crimson);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

/* --- Responsive --- */
@media (max-width: 1000px) {
  .product-layout { grid-template-columns: 1fr; }
  .filter-sidebar { position: static; }
  .detail-layout { grid-template-columns: 1fr; }
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { display: none; }
  .cart-layout { grid-template-columns: 1fr; }
  .cart-summary { position: static; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .auth-layout { grid-template-columns: 1fr; }
}

@media (max-width: 720px) {
  /* 全体：横スクロール防止のセーフガード */
  html, body { overflow-x: hidden; max-width: 100%; }
  .container, .narrow { padding: 0 16px; }

  /* Nav モバイルオーバーレイ */
  .nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    background: var(--paper);
    flex-direction: column;
    padding: 20px;
    border-bottom: 1px solid var(--rule);
    gap: 12px;
    box-shadow: 0 6px 12px var(--shadow);
  }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; border-bottom: 1px dashed var(--rule); }
  .nav a:last-child { border-bottom: none; }
  .nav-toggle { display: block; }
  .site-header-inner { position: relative; padding: 10px 16px; }
  .top-bar { display: none; }

  /* ブランドロゴ縮小 */
  .brand { gap: 8px; }
  .brand-mark .k, .brand-mark .s { font-size: 26px; }
  .brand-name { font-size: 13px; }
  .brand-en { font-size: 9px; letter-spacing: 0.15em; }

  /* Hero */
  .hero { padding: 40px 16px 48px; }
  .hero h1 { font-size: clamp(22px, 6vw, 28px); line-height: 1.5; }
  .hero-kicker { font-size: 11px; margin-bottom: 14px; }
  .hero-sub { font-size: 13.5px; margin-bottom: 24px; line-height: 1.9; }
  .hero-cta { flex-direction: column; gap: 10px; }
  .hero-cta .btn { text-align: center; width: 100%; }

  /* Section */
  .section { padding: 42px 0; }
  .section-title { font-size: 22px; }
  .section-lead { font-size: 13px; margin-bottom: 32px; line-height: 1.85; }

  /* Buttons */
  .btn { padding: 11px 18px; font-size: 13px; }
  .btn-lg { padding: 12px 22px; font-size: 14px; }

  /* Manufacturer strip */
  .mfr-strip { padding: 30px 16px; }
  .mfr-strip-grid { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 10px; }
  .mfr-strip-item { padding: 10px 6px; font-size: 11.5px; }

  /* Category grid */
  .cat-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; margin-top: 28px; }
  .cat-card { padding: 22px 14px; }
  .cat-icon { width: 46px; height: 46px; font-size: 18px; margin-bottom: 12px; }
  .cat-name { font-size: 14px; }
  .cat-count { font-size: 11px; }

  /* Product listing */
  .product-toolbar { flex-direction: column; align-items: stretch; padding: 14px 16px; }

  /* AI Search Panel モバイル */
  .ai-search-panel { padding: 16px 14px; margin-bottom: 20px; }
  .ai-search-header { gap: 8px; margin-bottom: 10px; }
  .ai-search-badge { font-size: 10px; padding: 2px 10px; }
  .ai-search-hint { font-size: 11.5px; }
  .ai-search-form { flex-direction: column; gap: 8px; }
  .ai-search-form input { font-size: 15px; padding: 11px 14px; }
  .ai-search-form .btn { width: 100%; }
  .ai-search-result { font-size: 12.5px; padding: 10px 14px; }
  .product-toolbar > div { width: 100%; }
  .product-toolbar > div:last-child { display: flex; gap: 8px; }
  .product-toolbar input {
    min-width: 0;
    flex: 1;
    width: 100%;
  }
  .product-toolbar select { flex: 0 0 auto; }
  .product-grid { grid-template-columns: repeat(auto-fill, minmax(140px, 1fr)); gap: 12px; }
  .product-card { border-radius: 6px; }
  .product-cover { height: 110px; font-size: 14px; }
  .product-body { padding: 10px 12px; }
  .product-mfr { font-size: 10px; }
  .product-title { font-size: 12.5px; min-height: 34px; margin-bottom: 6px; }
  .product-model { font-size: 11px; margin-bottom: 8px; }
  .product-cat { font-size: 10.5px; padding: 2px 6px; margin-bottom: 10px; }
  .product-cta { font-size: 12px; padding: 7px; }
  .filter-sidebar { padding: 16px 14px; }

  /* Product detail */
  .detail-layout { grid-template-columns: 1fr; gap: 24px; }
  .detail-cover { height: 240px; font-size: 26px; }
  .detail-info { padding: 4px 0; }
  .detail-info h1 { font-size: 20px; }
  .detail-model { font-size: 15px; margin-bottom: 16px; }
  .spec-table th, .spec-table td { padding: 10px 8px; font-size: 12.5px; }
  .spec-table th { width: 40%; }
  .detail-info .btn { flex: 1; padding: 12px 14px; font-size: 13px; }
  .detail-note { padding: 10px 12px; font-size: 12px; }

  /* Forms - grid全部1列 */
  .form-grid { grid-template-columns: 1fr; gap: 16px; }
  .form-panel { padding: 20px 16px; }
  .form-panel h2 { font-size: 16px; margin-bottom: 16px; }
  .form-group input,
  .form-group select,
  .form-group textarea { font-size: 15px; padding: 11px 12px; } /* iOS zoom防止16px近似 */
  .notice { padding: 12px 14px; font-size: 12.5px; }

  /* Cart */
  .cart-header { padding: 14px 18px; font-size: 12.5px; }
  .cart-item {
    grid-template-columns: 60px 1fr auto;
    grid-template-areas:
      "cover info remove"
      "qty qty qty";
    padding: 16px 18px;
    gap: 12px;
  }
  .cart-item-cover { width: 60px; height: 60px; grid-area: cover; }
  .cart-item > div:nth-child(2) { grid-area: info; }
  .cart-item .qty-ctrl { grid-area: qty; justify-self: end; }
  .cart-item .cart-item-remove { grid-area: remove; align-self: start; padding: 4px; }
  .cart-item-title { font-size: 13px; }
  .cart-item-model { font-size: 11.5px; }
  .qty-ctrl button { width: 36px; height: 36px; font-size: 16px; } /* タップ領域拡大 */
  .qty-ctrl input { width: 40px; font-size: 14px; }
  .cart-summary { padding: 20px 18px; }
  .cart-summary h3 { font-size: 15px; }
  .cart-summary-row { padding: 8px 0; font-size: 13px; }
  .cart-notice { padding: 10px; font-size: 11px; margin-top: 16px; }

  /* MyPage */
  .mypage-tabs {
    overflow-x: auto;
    flex-wrap: nowrap;
    -webkit-overflow-scrolling: touch;
  }
  .mypage-tab { white-space: nowrap; font-size: 12.5px; padding: 10px 14px; }
  .quote-row {
    grid-template-columns: 1fr;
    gap: 6px;
    padding: 14px 16px;
  }
  .quote-title { font-size: 13.5px; }
  .quote-no { font-size: 12.5px; }
  .quote-date { font-size: 12px; }
  .status-badge { font-size: 10.5px; padding: 2px 10px; align-self: flex-start; }

  /* Login / Register */
  .auth-panel { padding: 24px 18px; }
  .auth-panel h2 { font-size: 17px; }
  .auth-panel .sub { font-size: 12.5px; margin-bottom: 20px; }

  /* Company block（会社概要・事業内容など） */
  .company-block { padding: 22px 18px; margin: 24px 0; border-left-width: 3px; }
  .company-block h2 { font-size: 18px; padding-bottom: 10px; margin-bottom: 14px; }
  .company-block p { font-size: 13.5px; line-height: 1.85; }
  .company-block ul { padding-left: 18px !important; font-size: 13.5px; }

  /* Table */
  .table th, .table td { padding: 10px 10px; font-size: 12.5px; }
  .table th { width: 40%; }

  /* News */
  .news-item {
    grid-template-columns: auto auto 1fr auto;
    gap: 10px;
    padding: 14px 16px;
  }
  .news-date { font-size: 12px; }
  .news-cat { font-size: 10px; padding: 2px 8px; }
  .news-title { font-size: 13px; grid-column: 1 / -1; padding-top: 6px; }

  /* Manufacturer detail */
  .mfr-detail-grid { grid-template-columns: 1fr; gap: 14px; }
  .mfr-detail-card {
    grid-template-columns: 80px 1fr;
    padding: 16px;
    gap: 14px;
  }
  .mfr-detail-logo { height: 60px; padding: 6px; }
  .mfr-detail-logo img { max-height: 44px; }
  .mfr-detail-card h3 { font-size: 14.5px; }

  /* Footer */
  .site-footer { padding: 40px 16px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; padding-bottom: 28px; }
  .footer-bottom { flex-direction: column; align-items: flex-start; margin-top: 20px; font-size: 11px; }

  /* Nav CTA & icon in mobile menu */
  .nav-cta, .nav-icon { display: inline-flex; justify-content: center; }

  /* Breadcrumb */
  .breadcrumb { font-size: 11px; margin: 14px 0; }

  /* Auth layout iOS Maps */
  iframe { max-width: 100%; }
}

/* 極小画面（iPhone SE 320px, iPhone mini 375px） */
@media (max-width: 480px) {
  .container, .narrow { padding: 0 14px; }
  .brand-mark .k, .brand-mark .s { font-size: 22px; }
  .brand-name { font-size: 12px; }
  .hero h1 { font-size: 20px; }
  .hero-sub { font-size: 12.5px; }
  .section-title { font-size: 20px; }
  .section-lead { font-size: 12.5px; }
  .btn { padding: 10px 14px; font-size: 12.5px; }
  .btn-lg { padding: 11px 18px; font-size: 13px; }
  .product-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .product-cover { height: 90px; font-size: 12px; }
  .product-title { font-size: 12px; min-height: 32px; }
  .cat-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
  .cat-card { padding: 18px 10px; }
  .form-panel { padding: 18px 14px; }
  .company-block { padding: 18px 14px; }
  .company-block p { font-size: 13px; }
  .auth-panel { padding: 20px 14px; }
  .cart-item { padding: 14px 14px; }
  .cart-summary { padding: 18px 14px; }
  .quote-row { padding: 12px 14px; }
  .table th, .table td { padding: 9px 8px; font-size: 12px; }
  .spec-table th, .spec-table td { padding: 9px 6px; font-size: 12px; }
  .detail-cover { height: 200px; font-size: 22px; }
  .footer-grid { gap: 24px; }
  .mfr-strip-grid { grid-template-columns: repeat(2, 1fr); }
}

/* ========================================================================
   MAINTENANCE FEATURE STYLES
   ======================================================================== */

/* ナビゲーションのメンテナンス強調 */
.nav-highlight {
  color: var(--crimson) !important;
  font-weight: 700;
  border-bottom: 2px solid transparent;
  padding-bottom: 2px;
}
.nav-highlight:hover {
  border-bottom-color: var(--crimson);
}

/* --- トップページ大型メンテCTAセクション --- */
.maint-top-cta {
  background: linear-gradient(135deg, #1a2a44 0%, #2d3d5a 50%, #1a2a44 100%);
  color: #fff;
  padding: 64px 24px;
  position: relative;
  overflow: hidden;
}
.maint-top-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle at center, rgba(200,161,63,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.maint-top-cta-inner {
  max-width: 1100px;
  margin: 0 auto;
  position: relative;
  text-align: center;
}
.maint-top-cta-badge {
  display: inline-block;
  background: var(--gold);
  color: #1a1a1a;
  font-family: var(--display);
  font-weight: 900;
  font-size: 11px;
  padding: 4px 14px;
  border-radius: 4px;
  letter-spacing: 0.2em;
  margin-bottom: 16px;
}
.maint-top-cta-title {
  font-size: 30px;
  margin: 0 0 16px;
  line-height: 1.4;
  color: #fff;
}
.maint-top-cta-title .hl-crimson { color: #ff9497; }
.maint-top-cta-desc {
  font-size: 15px;
  line-height: 1.9;
  color: rgba(255,255,255,0.85);
  margin: 0 0 24px;
}
.maint-top-cta-benefits {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px 32px;
  margin-bottom: 32px;
}
.maint-top-benefit {
  color: var(--gold);
  font-weight: 600;
  font-size: 14px;
}
.maint-top-cta-buttons {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto 24px;
}
.maint-top-btn {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border-radius: var(--radius-lg);
  text-align: left;
  transition: all .3s;
  text-decoration: none;
}
.maint-top-btn-phone {
  background: var(--crimson);
  color: #fff;
  box-shadow: 0 6px 20px rgba(160,49,53,0.4);
}
.maint-top-btn-phone:hover {
  background: var(--crimson-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(160,49,53,0.5);
}
.maint-top-btn-form {
  background: rgba(255,255,255,0.98);
  color: var(--navy);
  border: 2px solid var(--gold);
}
.maint-top-btn-form:hover {
  background: #fff;
  color: var(--navy);
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0,0,0,0.3);
}
.maint-top-btn-icon {
  font-size: 36px;
  flex-shrink: 0;
}
.maint-top-btn-body {
  flex: 1;
  min-width: 0;
}
.maint-top-btn-label {
  font-size: 12px;
  opacity: 0.9;
  margin-bottom: 4px;
  font-weight: 600;
}
.maint-top-btn-value {
  font-family: var(--display);
  font-size: 24px;
  font-weight: 800;
  letter-spacing: 0.02em;
  line-height: 1;
  margin-bottom: 4px;
}
.maint-top-btn-hint {
  font-size: 11px;
  opacity: 0.85;
}
.maint-top-cta-link a {
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .2s;
}
.maint-top-cta-link a:hover { border-bottom-color: var(--gold); }

/* --- Maintenance page hero --- */
.maint-hero {
  background: linear-gradient(180deg, var(--paper-off) 0%, #fff 100%);
  padding: 64px 24px 48px;
  border-bottom: 1px solid var(--rule);
}
.maint-hero-inner {
  max-width: 1100px;
  margin: 0 auto;
  text-align: center;
}
.maint-hero-eyebrow {
  font-family: var(--display);
  color: var(--crimson);
  font-size: 13px;
  letter-spacing: 0.3em;
  font-weight: 700;
  margin-bottom: 16px;
}
.maint-hero-title {
  font-size: 34px;
  color: var(--navy);
  margin: 0 0 24px;
  line-height: 1.5;
}
.maint-hero-title .hl-crimson { color: var(--crimson); }
.maint-hero-desc {
  font-size: 15px;
  color: var(--ink-soft);
  line-height: 2;
  margin: 0 0 32px;
}
.maint-hero-desc .hl-gold { color: var(--gold); font-weight: 700; font-family: var(--display); }
.maint-hero-cta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  max-width: 780px;
  margin: 0 auto;
}
.maint-cta-phone, .maint-cta-form {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  border-radius: var(--radius-lg);
  text-decoration: none;
  transition: all .3s;
  text-align: left;
}
.maint-cta-phone {
  background: var(--crimson);
  color: #fff;
  box-shadow: 0 4px 16px rgba(160,49,53,0.3);
}
.maint-cta-phone:hover {
  background: var(--crimson-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(160,49,53,0.4);
}
.maint-cta-form {
  background: #fff;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.maint-cta-form:hover {
  background: var(--navy);
  color: #fff;
  transform: translateY(-2px);
}
.maint-cta-icon {
  font-size: 32px;
  flex-shrink: 0;
}
.maint-cta-content { flex: 1; }
.maint-cta-label {
  font-size: 11px;
  font-weight: 600;
  margin-bottom: 3px;
  opacity: 0.9;
}
.maint-cta-value {
  font-family: var(--display);
  font-size: 22px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 3px;
}
.maint-cta-hint {
  font-size: 10.5px;
  opacity: 0.8;
}

/* --- Benefits grid --- */
.maint-benefit-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 40px;
}
.maint-benefit-card {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all .3s;
}
.maint-benefit-card:hover {
  border-color: var(--crimson);
  transform: translateY(-4px);
  box-shadow: 0 10px 28px var(--shadow);
}
.maint-benefit-icon {
  font-size: 44px;
  margin-bottom: 16px;
}
.maint-benefit-card h3 {
  color: var(--navy);
  font-size: 16px;
  margin: 0 0 12px;
}
.maint-benefit-card p {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
  margin: 0;
}

/* --- Contract --- */
.maint-contract {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  align-items: center;
  margin-top: 40px;
  background: #fff;
  border: 1px solid var(--rule);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.maint-contract-content .lead-text {
  font-size: 17px;
  line-height: 1.9;
  color: var(--navy);
  margin: 0 0 20px;
}
.maint-contract-content .lead-text strong {
  color: var(--crimson);
}
.check-list {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}
.check-list li {
  padding: 8px 0 8px 28px;
  position: relative;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.8;
  border-bottom: 1px dashed var(--rule);
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 8px;
  color: var(--crimson);
  font-weight: 900;
  font-size: 16px;
}
.check-list li strong { color: var(--navy); }
.check-list li:last-child { border-bottom: none; }
.maint-contract-content .note {
  color: var(--ink-mute);
  font-size: 12.5px;
  line-height: 1.8;
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--rule);
}
.maint-contract-cta {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.btn-large {
  display: block;
  padding: 20px;
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: 700;
  text-decoration: none;
  background: var(--crimson);
  color: #fff;
  font-size: 15px;
  line-height: 1.4;
  transition: all .2s;
}
.btn-large:hover {
  background: var(--crimson-deep);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(160,49,53,0.3);
}
.btn-large-sub {
  display: block;
  font-family: var(--display);
  font-size: 22px;
  margin-top: 4px;
  font-weight: 800;
}
.btn-outline-large {
  background: #fff;
  color: var(--navy);
  border: 2px solid var(--navy);
}
.btn-outline-large:hover {
  background: var(--navy);
  color: #fff;
}

/* --- Service list --- */
.maint-service-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-top: 40px;
}
.maint-service-item {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 24px;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-left: 4px solid var(--crimson);
  border-radius: 0 var(--radius-lg) var(--radius-lg) 0;
  padding: 24px 32px;
  transition: all .2s;
}
.maint-service-item:hover {
  transform: translateX(4px);
  box-shadow: 0 6px 20px var(--shadow);
}
.maint-service-num {
  font-family: var(--display);
  font-size: 44px;
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}
.maint-service-body h3 {
  color: var(--navy);
  font-size: 17px;
  margin: 0 0 10px;
}
.maint-service-body p {
  color: var(--ink-soft);
  font-size: 13.5px;
  line-height: 1.9;
  margin: 0 0 12px;
}
.maint-service-body p strong { color: var(--crimson); }
.maint-issues {
  padding: 10px 14px;
  background: rgba(160,49,53,0.06);
  border-left: 3px solid var(--crimson);
  border-radius: 4px;
  color: var(--ink-soft);
  font-size: 12px;
  line-height: 1.7;
}
.maint-issues strong { color: var(--crimson-deep); }

/* --- Note box --- */
.maint-note-box {
  margin-top: 40px;
  padding: 24px;
  background: linear-gradient(135deg, rgba(200,161,63,0.08), rgba(160,49,53,0.05));
  border: 1px solid rgba(200,161,63,0.4);
  border-radius: var(--radius-lg);
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 20px;
  align-items: center;
}
.maint-note-icon { font-size: 40px; text-align: center; }
.maint-note-content {
  color: var(--ink);
  font-size: 13.5px;
  line-height: 1.9;
}
.maint-note-content strong {
  color: var(--navy);
  display: inline-block;
  font-size: 15px;
  margin-bottom: 6px;
}

/* --- Final CTA --- */
.maint-cta-section {
  background: linear-gradient(135deg, var(--paper-off) 0%, #f2ede4 100%);
}
.maint-final-cta {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}
.maint-final-title {
  font-size: 26px;
  color: var(--navy);
  font-weight: 900;
  margin-bottom: 16px;
}
.maint-final-desc {
  font-size: 14px;
  color: var(--ink-soft);
  line-height: 2;
  margin: 0 0 32px;
}
.maint-final-cta-btns {
  margin: 0 auto;
}

/* --- Contact page inbound notice --- */
.maint-inbound-notice {
  max-width: 1100px;
  margin: 20px auto -12px;
  padding: 14px 20px;
  background: linear-gradient(135deg, rgba(160,49,53,0.08), rgba(200,161,63,0.05));
  border: 1px solid rgba(160,49,53,0.25);
  border-radius: var(--radius);
  color: var(--navy);
  font-size: 13px;
  line-height: 1.8;
}

/* --- Category cards with images --- */
.cat-card-with-image {
  padding: 0;
  overflow: hidden;
  position: relative;
  min-height: 200px;
  display: flex;
  flex-direction: column;
}
.cat-card-with-image .cat-card-image {
  flex: 1;
  min-height: 140px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}
.cat-card-with-image .cat-card-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(26,42,68,0) 30%, rgba(26,42,68,0.85) 100%);
}
.cat-card-with-image .cat-card-body {
  padding: 16px 20px;
  background: #fff;
  border-top: 3px solid var(--gold);
}
.cat-card-with-image:hover .cat-card-image {
  transform: scale(1.05);
}
.cat-card-with-image .cat-card-image {
  transition: transform .5s ease;
}

.cat-card-gradient {
  padding: 0;
  overflow: hidden;
  min-height: 200px;
  display: flex;
  flex-direction: column;
  color: #fff;
}
.cat-card-gradient-ctp {
  background: linear-gradient(135deg, #1a2a44 0%, #2d3d5a 100%);
}
.cat-card-gradient-ink {
  background: linear-gradient(135deg, #8a2528 0%, #a03135 100%);
}
.cat-card-gradient-parts {
  background: linear-gradient(135deg, #b88746 0%, #c8a13f 100%);
}
.cat-card-gradient .cat-card-icon-large {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 30px;
  color: rgba(255,255,255,0.9);
}
.cat-card-gradient .cat-card-body {
  padding: 16px 20px;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(255,255,255,0.2);
}
.cat-card-gradient .cat-name {
  color: #fff;
  font-weight: 700;
}
.cat-card-gradient .cat-count {
  color: rgba(255,255,255,0.7);
}

/* --- Mobile --- */
@media (max-width: 720px) {
  .maint-top-cta { padding: 40px 20px; }
  .maint-top-cta-title { font-size: 22px; }
  .maint-top-cta-desc { font-size: 13.5px; }
  .maint-top-cta-buttons { grid-template-columns: 1fr; gap: 12px; }
  .maint-top-cta-benefits { gap: 8px 20px; font-size: 12.5px; }

  .maint-hero { padding: 40px 20px 32px; }
  .maint-hero-title { font-size: 22px; }
  .maint-hero-desc { font-size: 13px; line-height: 1.9; }
  .maint-hero-cta { grid-template-columns: 1fr; gap: 12px; }
  .maint-cta-phone, .maint-cta-form { padding: 16px 18px; }
  .maint-cta-icon { font-size: 26px; }
  .maint-cta-value { font-size: 18px; }
  .hidden-mobile { display: none; }

  .maint-benefit-grid { grid-template-columns: 1fr; gap: 14px; }
  .maint-benefit-card { padding: 24px 20px; }

  .maint-contract {
    grid-template-columns: 1fr;
    padding: 24px 20px;
    gap: 24px;
  }
  .maint-contract-cta { flex-direction: column-reverse; }
  .btn-large { padding: 16px; font-size: 13.5px; }
  .btn-large-sub { font-size: 18px; }

  .maint-service-item {
    grid-template-columns: 60px 1fr;
    padding: 20px 16px;
    gap: 16px;
  }
  .maint-service-num { font-size: 32px; }
  .maint-service-body h3 { font-size: 15px; }
  .maint-service-body p { font-size: 13px; }

  .maint-note-box {
    grid-template-columns: 44px 1fr;
    padding: 18px;
    gap: 14px;
  }
  .maint-note-icon { font-size: 30px; }

  .maint-final-title { font-size: 20px; }

  .cat-card-with-image, .cat-card-gradient { min-height: 160px; }
  .cat-card-gradient .cat-card-icon-large { padding: 20px; }
  .cat-card-gradient .cat-card-icon-large svg { width: 32px; height: 32px; }
}


/* ========================================================================
   FAQ SECTION (LLMO/GEO対策)
   ======================================================================== */
.faq-list {
  max-width: 900px;
  margin: 40px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
  transition: box-shadow .2s;
}
.faq-item[open] {
  box-shadow: 0 4px 16px var(--shadow);
  border-color: var(--crimson);
}
.faq-q {
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: var(--navy);
  font-size: 14.5px;
  line-height: 1.6;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  list-style: none;
  position: relative;
  transition: background .2s;
}
.faq-q::-webkit-details-marker { display: none; }
.faq-q:hover { background: rgba(160,49,53,0.04); }
.faq-q::after {
  content: '+';
  margin-left: auto;
  font-size: 22px;
  font-weight: 300;
  color: var(--crimson);
  transition: transform .2s;
  line-height: 1;
  flex-shrink: 0;
}
.faq-item[open] .faq-q::after { transform: rotate(45deg); }
.faq-q-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--crimson);
  color: #fff;
  border-radius: 4px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 13px;
  flex-shrink: 0;
}
.faq-a {
  padding: 6px 22px 22px 60px;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.9;
  display: flex;
  gap: 12px;
  align-items: flex-start;
  position: relative;
}
.faq-a-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  background: var(--navy);
  color: #fff;
  border-radius: 4px;
  font-family: var(--display);
  font-weight: 900;
  font-size: 13px;
  flex-shrink: 0;
  position: absolute;
  left: 22px;
  top: 4px;
}
.faq-a p { margin: 0; }
.faq-a p strong { color: var(--crimson); }

@media (max-width: 720px) {
  .faq-q { padding: 14px 16px; font-size: 13.5px; gap: 10px; }
  .faq-q::after { font-size: 20px; }
  .faq-a { padding: 4px 16px 18px 50px; font-size: 13px; line-height: 1.85; }
  .faq-a-mark { left: 16px; }
  .faq-q-mark, .faq-a-mark { width: 22px; height: 22px; font-size: 11.5px; }
}