/* ===================================================
   index.css
   繝医ャ繝励・繝ｼ繧ｸ蟆ら畑繧ｹ繧ｿ繧､繝ｫ・医ヲ繝ｼ繝ｭ繝ｼ繝ｻ繝帙・繝蟆守ｷ壹・Unlocked・・
   style.css 縺九ｉ蛻・牡逕滓・
   =================================================== */

/* ===================================================
   3. 繝偵・繝ｭ繝ｼ逕ｻ蜒冗ｳｻ
   =================================================== */
html,
body {
  max-width: 100%;
  overflow-x: hidden;
}

.category-hero {
  width: 100%;
  margin-bottom: 24px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  border: 1px solid rgba(0, 0, 0, 0.05);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  line-height: 0;
}
.category-hero:hover { transform: translateY(-4px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2); }
.category-hero img { width: 100%; height: auto; display: block; object-fit: cover; }

.category-hero.hero-overlay {
  position: relative;
  overflow: hidden;
  border-radius: 18px;
  background: #071426;
  box-shadow: 0 14px 34px rgba(0, 0, 0, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.08);
  isolation: isolate;
  line-height: 1.5;
}
.category-hero.hero-overlay > a {
  position: relative;
  display: block;
  color: inherit;
  text-decoration: none;
}
.category-hero.hero-overlay img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  vertical-align: bottom;
  transform: scale(1.001);
}
.category-hero.hero-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(3, 10, 22, 0.86) 0%, rgba(3, 10, 22, 0.66) 34%, rgba(3, 10, 22, 0.28) 66%, rgba(3, 10, 22, 0.05) 100%);
}
.hero-copy {
  position: absolute;
  z-index: 3;
  left: 6%;
  right: auto;
  top: 50%;
  bottom: auto;
  transform: translateY(-50%);
  max-width: 56%;
  color: #ffffff;
  text-align: left;
  line-height: 1.45;
  pointer-events: none;
}
.hero-copy-kicker {
  display: inline-block;
  margin-bottom: 9px;
  padding: 4px 11px;
  font-size: clamp(0.68rem, 1.05vw, 0.86rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.08em;
  color: #dff9ff;
  background: rgba(0, 220, 255, 0.16);
  border: 1px solid rgba(130, 240, 255, 0.42);
  border-radius: 999px;
  backdrop-filter: blur(5px);
  box-shadow: 0 0 18px rgba(0, 220, 255, 0.18);
}
.hero-copy-title {
  margin: 0 0 10px;
  font-size: clamp(1.85rem, 4.4vw, 3.85rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: 0.015em;
  color: #ffffff;
  text-shadow: 0 4px 16px rgba(0, 0, 0, 0.92), 0 0 22px rgba(0, 220, 255, 0.32);
}
.hero-copy-sub {
  margin: 0;
  font-size: clamp(0.92rem, 1.75vw, 1.25rem);
  font-weight: 700;
  line-height: 1.55;
  color: #e2f9ff;
  text-shadow: 0 3px 12px rgba(0, 0, 0, 0.9), 0 0 18px rgba(0, 220, 255, 0.22);
}
.hero-copy-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}
.hero-copy-tag {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 28px;
  padding: 5px 12px;
  font-size: clamp(0.72rem, 1.2vw, 0.88rem);
  font-weight: 800;
  line-height: 1.2;
  color: #ffffff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 999px;
  backdrop-filter: blur(4px);
}
.category-hero.hero-overlay.copy-right::after {
  background: linear-gradient(270deg, rgba(3, 10, 22, 0.86) 0%, rgba(3, 10, 22, 0.66) 34%, rgba(3, 10, 22, 0.28) 66%, rgba(3, 10, 22, 0.05) 100%);
}
.category-hero.hero-overlay.copy-right .hero-copy {
  left: auto;
  right: 6%;
  text-align: left;
  max-width: 48%;
}
.category-hero.hero-overlay.copy-center::after { background: rgba(3, 10, 22, 0.54); }
.category-hero.hero-overlay.copy-center .hero-copy {
  left: 50%;
  right: auto;
  top: 50%;
  transform: translate(-50%, -50%);
  max-width: 78%;
  text-align: center;
}

/* hero-concept-wall・亥｣∫判蜒上ｒ繧ｪ繝ｼ繝舌・繝ｬ繧､縺ｪ縺励〒陦ｨ遉ｺ・・*/
.hero-concept-wall {
  line-height: 0;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}
.hero-concept-wall::after { display: none; }

/* ===================================================
   4-1. 繝帙・繝 / site-description邉ｻ
   =================================================== */
.site-description {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 32px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
  border-left: 5px solid var(--color-accent);
}
.site-description h2 { font-size: 1.15em; color: var(--color-primary); margin-bottom: 12px; }
.site-description p { font-size: 0.95em; line-height: 1.8; }

.hero-practical {
  background: #f8faff;
  border-left: 4px solid var(--color-accent);
  padding: 14px 18px;
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.92em;
  line-height: 1.8;
  color: #444;
  margin: 16px 0 22px;
}

.quick-route {
  background: #ffffff;
  border-radius: var(--radius);
  padding: 24px 28px;
  box-shadow: var(--shadow-sm);
  margin: 0 0 32px;
  border-left: 5px solid var(--color-accent);
}
.quick-route h2 { font-size: 1.15em; color: var(--color-primary); margin-bottom: 8px; }
.quick-route-lead { font-size: 0.9em; color: var(--color-text-muted); line-height: 1.7; margin-bottom: 16px; }
.quick-route-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 14px; }
.quick-route-card {
  display: block;
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 16px 18px;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}
.quick-route-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); text-decoration: none; }
.quick-route-icon { display: block; font-size: 1.8em; margin-bottom: 8px; line-height: 1; }
.quick-route-title { display: block; font-weight: 800; font-size: 0.96em; margin-bottom: 5px; color: var(--color-primary); }
.quick-route-text { display: block; font-size: 0.82em; color: var(--color-text-muted); line-height: 1.6; }
.qrc-functions:hover { border-color: #1565c0; }
.qrc-pq:hover { border-color: #e65100; }
.qrc-cobol:hover { border-color: #2e7d32; }
.qrc-qr:hover { border-color: #7c4dff; }

.starter-guide {
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-left: 5px solid #2e7d32;
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  padding: 24px 28px;
  margin: 0 0 32px;
}
.starter-guide-head h2 {
  font-size: 1.15em;
  color: var(--color-primary);
  margin-bottom: 8px;
}
.starter-guide-head p {
  color: var(--color-text-muted);
  font-size: 0.9em;
  line-height: 1.8;
  margin-bottom: 16px;
}
.starter-guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
  gap: 14px;
}
.starter-card {
  background: #f8fafc;
  border: 1px solid #d9e2ec;
  border-radius: var(--radius);
  padding: 16px 18px;
}
.starter-card h3 {
  color: var(--color-primary);
  font-size: 0.98em;
  margin-bottom: 8px;
}
.starter-card p {
  color: #4b5563;
  font-size: 0.86em;
  line-height: 1.7;
  margin-bottom: 10px;
}
.starter-card a {
  font-size: 0.86em;
  font-weight: 700;
}
.starter-resource-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}
.starter-resource-row a {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid #cfd8dc;
  border-radius: 999px;
  background: #edf4fb;
  color: var(--color-primary);
  font-size: 0.84em;
  font-weight: 700;
  padding: 6px 13px;
  text-decoration: none;
}
.starter-resource-row a:hover {
  background: #dceaf7;
  text-decoration: none;
}

/* ===================================================
   4-2. 繝帙・繝 / hero-banner・・BA遖∵ｭ｢繧ｻ繧ｯ繧ｷ繝ｧ繝ｳ・・
   =================================================== */
.hero-banner { margin-top: 20px; }
.hero-eyecatch {
  display: inline-block;
  background: linear-gradient(135deg, #e53935, #ff6f00);
  color: #fff;
  font-size: 0.82em;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 20px;
  margin-bottom: 16px;
  letter-spacing: 0.03em;
}
.hero-headline {
  font-size: 1.4em;
  font-weight: 900;
  line-height: 1.6;
  margin-bottom: 16px;
  color: var(--color-text);
}
.accent-red { color: #e53935; }
.accent-gold { color: #e65100; }
.hero-sub { font-size: 0.93em; line-height: 1.9; color: #444; margin-bottom: 20px; }

.hero-pain {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 20px;
}
.hero-pain-title { font-size: 1em; font-weight: 700; color: #e65100; margin-bottom: 10px; }
.hero-pain-list { display: flex; flex-direction: column; gap: 6px; }
.hero-pain-item {
  display: block;
  font-size: 0.88em;
  color: #5d4037;
  padding: 6px 12px;
  background: #fff3e0;
  border: 1px solid #ffcc80;
  border-radius: 4px;
  font-weight: 500;
  line-height: 1.6;
}

.hero-answer {
  background: #e3f2fd;
  border: 1px solid #90caf9;
  border-radius: var(--radius);
  padding: 18px 22px;
  margin-bottom: 24px;
}
.hero-answer-title { font-size: 1em; font-weight: 700; color: #1565c0; margin-bottom: 8px; }
.hero-answer-text { font-size: 0.9em; line-height: 1.8; color: #333; }

.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  margin: 24px 0;
}
.hero-stat {
  text-align: center;
  min-width: 120px;
  flex: 1;
  padding: 14px 10px;
  background: #f8f9fa;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
}
.hero-stat-num { display: block; font-size: 2em; font-weight: 900; line-height: 1.2; margin-bottom: 4px; }
.hero-stat-label { font-size: 0.78em; font-weight: 600; color: var(--color-text-muted); line-height: 1.4; }
.hero-stat-label small {
  display: block;
  font-size: 0.85em;
  color: #888;
  font-weight: 400;
  margin-top: 2px;
  line-height: 1.4;
}
.num-blue { color: #1565c0; }
.num-gold { color: #e65100; }
.num-purple { color: #6a1b9a; }
.num-orange { color: #e65100; }

/* ===================================================
   4-3. 繝帙・繝 / weapons-grid繝ｻreasons-grid
   =================================================== */
.weapons-grid, .reasons-grid { display: grid; gap: 14px; margin-bottom: 28px; }
.weapons-grid { grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.reasons-grid { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }

.weapons-heading,
.reasons-heading {
  font-size: 1.1em;
  font-weight: 700;
  color: var(--color-primary);
  margin: 28px 0 14px;
}

.weapon-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 18px 20px;
  box-shadow: var(--shadow-sm);
  border-left: 5px solid;
}
.weapon-card-num { font-size: 0.72em; font-weight: 800; color: #999; margin-bottom: 4px; }
.weapon-card-title { font-size: 0.95em; font-weight: 700; margin-bottom: 6px; line-height: 1.4; }
.weapon-card-desc { font-size: 0.84em; color: var(--color-text-muted); line-height: 1.7; }
.wc-blue { border-color: #1565c0; }
.wc-green { border-color: #2e7d32; }
.wc-orange { border-color: #e65100; }
.wc-purple { border-color: #6a1b9a; }
.wc-blue .weapon-card-title { color: #1565c0; }
.wc-green .weapon-card-title { color: #2e7d32; }
.wc-orange .weapon-card-title { color: #e65100; }
.wc-purple .weapon-card-title { color: #6a1b9a; }

.reason-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 22px 22px 20px;
  box-shadow: var(--shadow-sm);
  border-top: 5px solid;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.reason-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.reason-card::before {
  content: attr(data-num);
  position: absolute;
  top: -14px;
  left: 18px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #fff;
  border: 2px solid currentColor;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.85em;
  font-family: "Georgia", serif;
}
.reason-card-before {
  display: inline-block;
  background: #f5f5f5;
  color: #757575;
  font-size: 0.76em;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  line-height: 1.5;
  border: 1px solid #e0e0e0;
}
.reason-card-title { font-size: 1em; font-weight: 800; margin-bottom: 8px; line-height: 1.5; }
.reason-card-text { font-size: 0.85em; line-height: 1.75; color: #555; }
.reason-card-text strong {
  color: var(--color-text);
  background: linear-gradient(transparent 60%, #fff3a0 60%);
  padding: 0 2px;
  font-weight: 700;
}
.rc-blue { border-color: #1565c0; }
.rc-green { border-color: #2e7d32; }
.rc-orange { border-color: #e65100; }
.rc-purple { border-color: #6a1b9a; }
.rc-blue::before, .rc-blue .reason-card-title { color: #1565c0; }
.rc-green::before, .rc-green .reason-card-title { color: #2e7d32; }
.rc-orange::before, .rc-orange .reason-card-title { color: #e65100; }
.rc-purple::before, .rc-purple .reason-card-title { color: #6a1b9a; }

/* ===================================================
   4-4. 繝帙・繝 / version-guide繝ｻcta
   =================================================== */
.version-guide {
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  margin-bottom: 28px;
  overflow: hidden;
}
.version-guide-header {
  background: var(--color-primary);
  color: #fff;
  font-size: 0.92em;
  font-weight: 700;
  padding: 10px 18px;
}
.version-guide-body { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.version-col {
  padding: 18px 20px 20px;
  border-right: 1px solid var(--color-border);
  position: relative;
}
.version-col:last-child { border-right: none; }
.version-col::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
}
.version-col:nth-child(1)::before { background: #2e7d32; }
.version-col:nth-child(2)::before { background: #1565c0; }
.version-col:nth-child(3)::before { background: #6a1b9a; }
.version-col ol { margin: 4px 0 0; padding-left: 20px; }
.version-col ol li { font-size: 0.84em; line-height: 1.7; color: #444; margin-bottom: 4px; }
.version-col ol li::marker { font-weight: 700; color: #999; }
.version-col-title {
  font-size: 0.88em;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 4px;
  margin-bottom: 10px;
  display: inline-block;
}
.vc-old { background: #e8f5e9; color: #2e7d32; }
.vc-new { background: #e3f2fd; color: #1565c0; }
.vc-365 { background: #f3e5f5; color: #6a1b9a; }

.hero-cta-box {
  background: linear-gradient(135deg, #e3f2fd, #f3e5f5);
  border: 1px solid #bbdefb;
  border-radius: var(--radius);
  padding: 22px 24px;
  text-align: center;
  margin-bottom: 8px;
}
.hero-cta-msg { font-size: 0.92em; font-weight: 600; color: #333; margin-bottom: 14px; line-height: 1.6; }
.cta-sub { display: block; font-size: 0.82em; font-weight: 400; color: #888; margin-top: 4px; }
.hero-cta-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}
.hero-cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 11px 20px;
  border: none;
  border-radius: 8px;
  font-size: 0.85em;
  font-weight: 700;
  cursor: pointer;
  transition:
    transform var(--transition),
    box-shadow var(--transition),
    background var(--transition),
    color var(--transition);
  color: #fff;
  text-decoration: none;
  letter-spacing: 0.01em;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.12);
}
.hero-cta-btn:hover { transform: translateY(-2px); box-shadow: 0 6px 14px rgba(0, 0, 0, 0.18); }
.btn-old { background: #2e7d32; }
.btn-old:hover { background: #1b5e20; }
.btn-new { background: #1565c0; }
.btn-new:hover { background: #0d47a1; }
.btn-pq { background: #e65100; }
.btn-pq:hover { background: #bf360c; }
.btn-qr-gradient { background: linear-gradient(135deg, #7c4dff, #651fff); }
.btn-unlocked-gradient {
  background: linear-gradient(135deg, #4a148c, #311b92);
  color: #fff;
}
.tag-vba-label {
  font-size: 0.75em;
  background: rgba(255, 255, 255, 0.2);
  padding: 2px 6px;
  border-radius: 3px;
  margin-left: 4px;
}

/* ===================================================
   4-5. 繝帙・繝 / pickup繝ｻnews繝ｻranking繝ｻfaq
   =================================================== */
.pickup-section { margin-bottom: 36px; }
.pickup-section h2 {
  font-size: 1.15em;
  color: var(--color-primary);
  font-weight: 700;
  margin-bottom: 16px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}
.pickup-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.pickup-card {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 22px 24px;
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  color: inherit;
  transition: transform var(--transition), box-shadow var(--transition);
  border-top: 4px solid var(--color-accent);
}
.pickup-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); text-decoration: none; }
.pickup-card.card-qr { border: 2px solid #2e7d32; }
.pickup-card.card-cobol { border: 2px solid #e53935; }
.pickup-card-green-border { border-top: 4px solid #217346; }

.qr-badge-row, .cobol-badge-row, .industries, .symptoms {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.qr-badge, .cobol-badge, .sym, .ind {
  display: inline-block;
  font-size: 0.72em;
  font-weight: 700;
  padding: 3px 9px;
  border-radius: 4px;
  white-space: nowrap;
}
.badge-rare { background: #f3e5f5; color: #6a1b9a; border: 1px solid #ce93d8; }
.badge-new { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.badge-break { background: #fff3e0; color: #e65100; border: 1px solid #ffb74d; }

.qr-title, .main-title {
  font-size: 1.15em;
  font-weight: 700;
  margin: 10px 0 8px;
  line-height: 1.4;
}
.qr-title { color: #1b5e20; }
.card-cobol .main-title { color: #c62828; }

.qr-highlight {
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  color: #2e7d32;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
  font-size: 0.84em;
  font-weight: 600;
  line-height: 1.6;
}
.notice {
  background: #fff8e1;
  border: 1px solid #ffe082;
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 10px;
}
.notice-title { font-size: 0.95em; font-weight: 700; color: #e65100; margin-bottom: 6px; }
.sym { background: #fff3e0; border-color: #ffcc80; color: #5d4037; }
.ind { background: #fce4ec; color: #c62828; border-color: #ef9a9a; }
.cobol-word {
  background: #c62828;
  color: #fff;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.95em;
  letter-spacing: 0.04em;
}
.qr-desc, .desc { font-size: 0.84em; line-height: 1.7; color: #555; }
.qr-cta, .cta {
  display: inline-block;
  margin-top: 10px;
  font-size: 0.85em;
  font-weight: 700;
  color: var(--color-accent);
}

/* 譁ｰ逹€ + 繝ｩ繝ｳ繧ｭ繝ｳ繧ｰ 蜈ｱ騾壹げ繝ｪ繝・ラ */
.home-sub-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.home-card { background: var(--color-surface); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow-sm); }
.home-card h2 {
  font-size: 1.05em;
  margin-bottom: 16px;
  color: var(--color-primary);
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}

/* 譁ｰ逹€繝ｪ繧ｹ繝・*/
.news-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0;
}
.news-list li {
  padding: 12px 0 12px 14px;
  border-bottom: 1px solid #eef1f5;
  position: relative;
  font-size: 0.88em;
  line-height: 1.55;
  transition: background var(--transition), padding-left var(--transition);
}
.news-list li:last-child { border-bottom: none; }
.news-list li:hover { background: #f8faff; padding-left: 18px; }
.news-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 18px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.15);
}
.news-list li a {
  display: block;
  font-weight: 700;
  color: var(--color-primary);
  font-size: 0.96em;
  margin-bottom: 4px;
  line-height: 1.45;
}
.news-list li a:hover { color: var(--color-accent); text-decoration: none; }
.news-meta {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78em;
  color: #888;
}
.news-cat {
  display: inline-block;
  font-size: 0.92em;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.01em;
  line-height: 1.4;
}
.news-cat-functions { background: #e3f2fd; color: #1565c0; border: 1px solid #bbdefb; }
.news-cat-pq        { background: #fff3e0; color: #e65100; border: 1px solid #ffcc80; }
.news-cat-cobol     { background: #e8f5e9; color: #2e7d32; border: 1px solid #a5d6a7; }
.news-cat-qr        { background: #f3e5f5; color: #6a1b9a; border: 1px solid #ce93d8; }
.news-cat-others    { background: #fce4ec; color: #c2185b; border: 1px solid #f8bbd0; }
.news-meta time { color: #999; font-variant-numeric: tabular-nums; }
.news-list li.is-new a::after {
  content: "NEW";
  display: inline-block;
  margin-left: 8px;
  background: #e53935;
  color: #fff;
  font-size: 0.7em;
  font-weight: 800;
  padding: 1px 6px;
  border-radius: 3px;
  vertical-align: 1px;
  letter-spacing: 0.05em;
  animation: pulse-new 1.8s ease-in-out infinite;
}
@keyframes pulse-new {
  0%, 100% { opacity: 1; }
  50%      { opacity: 0.6; }
}
.more-link { margin-top: 14px; text-align: right; font-size: 0.85em; }
.more-link a {
  display: inline-block;
  padding: 6px 14px;
  border-radius: 16px;
  background: #f0f4f8;
  color: var(--color-primary);
  font-weight: 700;
  transition: background var(--transition), color var(--transition);
}
.more-link a:hover { background: var(--color-primary); color: #fff; text-decoration: none; }
.more-link-subtle {
  margin-top: 8px;
  margin-bottom: 14px;
}
.more-link-subtle a {
  padding: 4px 10px;
  font-size: 0.78rem;
  color: #64748b;
  background: transparent;
  border: 1px solid #d8e1ea;
  box-shadow: none;
}
.more-link-subtle a:hover {
  background: #eef4f9;
  color: var(--color-primary);
}

/* 繝ｩ繝ｳ繧ｭ繝ｳ繧ｰ */
.ranking-card { display: flex; flex-direction: column; }
.ranking-tabs {
  display: flex;
  gap: 0;
  border-bottom: 2px solid #e0e0e0;
  margin: -4px -4px 12px;
  border-radius: 8px 8px 0 0;
  overflow: hidden;
}
.ranking-tab-btn {
  flex: 1;
  padding: 10px 6px;
  font-size: 0.82em;
  font-weight: 700;
  border: none;
  background: #f5f5f5;
  color: #999;
  cursor: pointer;
  border-bottom: 3px solid transparent;
  transition:
    background 0.2s,
    color 0.2s,
    border-color 0.2s;
  white-space: nowrap;
  line-height: 1.4;
}
.ranking-tab-btn:hover { background: #ede7f6; color: #555; }
.ranking-tab-btn.active { background: #fff; color: #333; border-bottom-color: #6a1b9a; }
.ranking-tab-btn.active[data-ranking="impact"] { border-bottom-color: #e65100; }
.ranking-tab-btn.active[data-ranking="combined"] { border-bottom-color: #1565c0; }
.ranking-panel { display: none; }
.ranking-panel.active { display: block; }
.ranking-desc { font-size: 0.78em; color: #888; margin-bottom: 10px; }

.rarity-ranking {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.rarity-ranking li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.88em;
  border-bottom: 1px dotted #e0e0e0;
  padding-bottom: 6px;
  gap: 6px;
}
.rarity-ranking li a {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--color-primary);
  font-weight: 600;
}
.rank-badge {
  display: inline-block;
  font-size: 0.68em;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 4px;
  white-space: nowrap;
}
.rank-badge.lv1, .rank-badge.lv2 { background: #e8f5e9; color: #2e7d32; }
.rank-badge.lv3, .rank-badge.lv4 { background: #e3f2fd; color: #1565c0; }
.rank-badge.lv5 { background: #fff3e0; color: #e65100; }
.rank-badge.lv6, .rank-badge.lv7 { background: #ffebee; color: #c62828; }
.rank-badge.lv8 { background: #f3e5f5; color: #6a1b9a; }
.rank-impact, .rank-rarity, .rank-combined {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 0.72em;
  font-weight: 700;
  white-space: nowrap;
}
.rank-impact { color: #e65100; background: #fff3e0; border: 1px solid #ffb74d; }
.rank-rarity { color: #6a1b9a; background: #f3e5f5; border: 1px solid #ce93d8; }
.rank-combined { color: #1565c0; background: #e3f2fd; border: 1px solid #64b5f6; }

/* FAQ */
.faq-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-sm);
  margin: 32px 0;
}
.faq-section h2 {
  font-size: 1.1em;
  color: var(--color-primary);
  margin-bottom: 14px;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--color-border);
}
.faq-list { display: flex; flex-direction: column; gap: 10px; }
.faq-list details {
  background: #f8f9fa;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  padding: 12px 14px;
}
.faq-list summary { font-weight: 700; color: var(--color-primary); cursor: pointer; line-height: 1.6; }
.faq-list summary::before { content: "Q. "; color: var(--color-accent); font-weight: 900; margin-right: 4px; }
.faq-list p {
  margin: 10px 0 0;
  font-size: 0.9em;
  color: #444;
  line-height: 1.8;
  padding-left: 20px;
  position: relative;
}
.faq-list p::before {
  content: "A.";
  position: absolute;
  left: 0;
  top: 10px;
  color: #e65100;
  font-weight: 900;
}

/* index.html 繧ｻ繧ｯ繧ｷ繝ｧ繝ｳ縺ｧ菴ｿ逕ｨ縺吶ｋ陬懷勧繧ｹ繧ｿ繧､繝ｫ */
.hero-small { max-width: 860px; margin-left: auto; margin-right: auto; }
.hero-small .hero-copy { max-width: 60%; }
.hero-small .hero-copy-title { font-size: clamp(1.45rem, 3.1vw, 2.5rem); }
.hero-small .hero-copy-sub { font-size: clamp(0.82rem, 1.28vw, 1.02rem); }

/* 記事カード内のヒーロー画像（サムネイル）用調整 */
.article-item .category-hero .hero-copy {
  max-width: 85% !important;
}
.article-item .category-hero .hero-copy-title {
  font-size: 1.25rem !important;
  white-space: nowrap !important;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.9), 0 0 12px rgba(0, 220, 255, 0.3);
}
.article-item .category-hero .hero-copy-sub {
  font-size: 0.8rem;
  line-height: 1.4;
  text-shadow: 0 2px 6px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 220, 255, 0.2);
}
.article-item .category-hero .hero-copy-kicker {
  font-size: 0.65rem;
  margin-bottom: 4px;
}
.card-print { border: 2px solid #217346; }
.btn-unlocked-cta { border: 1px solid rgba(255, 255, 255, 0.16); }
.vc-link-new { color: #1565c0; font-weight: 700; text-decoration: underline; text-underline-offset: 2px; }
.vc-link-new:hover { color: #0d47a1; }
.cobol-selection-guide {
  width: 100%;
  max-width: 100%;
  margin: 32px 0 44px;
  padding: 32px;
  overflow: hidden;
  background: #ffffff;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}
.guide-intro {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  margin-bottom: 32px;
}
.guide-visual,
.guide-content {
  min-width: 0;
}
.guide-visual .demo-video {
  display: block;
  width: 100%;
  max-width: 600px;
  height: auto;
  aspect-ratio: 16 / 9;
  border-radius: 12px;
  background: #132534;
  box-shadow: var(--shadow-lg);
}
.guide-content { display: flex; flex-direction: column; gap: 12px; }
.lead-text { font-size: 0.94em; line-height: 1.8; color: #455a64; }
.solution-patterns-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
}
.pattern-card {
  min-width: 0;
  padding: 22px 20px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: #fff;
  box-shadow: var(--shadow-sm);
}
.pattern-card.formula { border-top: 5px solid #1e88e5; }
.pattern-card.pq { border-top: 5px solid #43a047; }
.pattern-badge {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  margin-bottom: 10px;
  padding: 3px 10px;
  border-radius: 999px;
  background: #eef4fb;
  color: var(--color-primary);
  font-size: 0.72rem;
  font-weight: 800;
  line-height: 1.2;
}
.pattern-card h4 {
  margin: 0 0 8px;
  color: var(--color-primary);
  font-size: 1.08rem;
  line-height: 1.45;
}
.pattern-desc {
  margin: 0 0 12px;
  color: #455a64;
  font-size: 0.9rem;
  line-height: 1.75;
}
.pattern-features {
  margin: 0;
  padding-left: 1.1em;
  color: #50616d;
  font-size: 0.86rem;
  line-height: 1.75;
}
.pattern-features li + li { margin-top: 4px; }

.hero-main-overview .hero-copy,
.hero-functions-latest .hero-copy,
.hero-functions-standard .hero-copy,
.hero-pq .hero-copy,
.hero-others-lab .hero-copy,
.hero-unlocked .hero-copy { max-width: 56%; }

.hero-functions-expert .hero-copy,
.hero-pq-merge-params .hero-copy,
.hero-pq-params-control .hero-copy,
.hero-pq-m-language .hero-copy,
.hero-cobol .hero-copy,
.hero-qr .hero-copy,
.hero-others-speed .hero-copy,
.hero-others-print .hero-copy,
.hero-others-ui .hero-copy { max-width: 52%; }


/* ===================================================
   8. Unlocked Lab / 繝輔ャ繧ｿ繝ｼ / 繧ｳ繝ｳ繧ｿ繧ｯ繝・
   =================================================== */
#unlocked {
  background: #fbf9ff;
  border-radius: 8px;
  padding: 32px 24px;
  border-top: 4px solid #651fff;
  box-shadow: inset 0 2px 10px rgba(0, 0, 0, 0.02);
  margin-top: 20px;
}
.unlocked-hero {
  background: linear-gradient(135deg, #311b92 0%, #4a148c 50%, #6a1b9a 100%);
  color: #fff;
  border-radius: var(--radius);
  padding: 36px 32px;
  margin-bottom: 32px;
  box-shadow: var(--shadow-md);
}
.unlocked-concept {
  background: #f4ebff;
  border-left: 6px solid #651fff;
  padding: 20px 24px;
  margin: 0 0 40px;
  border-radius: 4px;
  box-shadow: 0 1px 4px rgba(101, 31, 255, 0.06);
}
.unlocked-concept ul { margin: 0; padding-left: 20px; line-height: 1.9; }
.unlocked-concept li + li { margin-top: 6px; }
.unlocked-concept strong { color: #4a148c; }

/* Contact CTA */
.contact-section {
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 28px 20px 48px;
  background: linear-gradient(180deg, #f6f9fc 0%, #eef4f8 100%);
}
body > section.main-content .hero-contact {
  width: 100%;
  max-width: 760px;
  border-radius: 12px;
  border: 1px solid rgba(28, 78, 112, 0.16);
  box-shadow: 0 14px 34px rgba(0, 45, 72, 0.16);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
body > section.main-content .hero-contact > a {
  display: block;
  position: relative;
  aspect-ratio: 5 / 1.4;
  overflow: hidden;
  color: #fff;
  text-decoration: none;
}
body > section.main-content .hero-contact:hover,
body > section.main-content .hero-contact:focus-within {
  transform: translateY(-2px);
  box-shadow: 0 18px 42px rgba(0, 45, 72, 0.22);
}
body > section.main-content .hero-contact > a:focus-visible {
  outline: 3px solid #80deea;
  outline-offset: 4px;
}
body > section.main-content .hero-contact img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
}
body > section.main-content .hero-contact::after {
  background:
    linear-gradient(
      90deg,
      rgba(4, 19, 34, 0.82) 0%,
      rgba(4, 48, 74, 0.62) 52%,
      rgba(12, 106, 126, 0.34) 100%
    );
}
body > section.main-content .hero-contact .hero-copy-title {
  font-size: clamp(1.05rem, 2.4vw, 1.6rem);
  margin-bottom: 4px;
}
body > section.main-content .hero-contact .hero-copy-sub {
  font-size: clamp(0.74rem, 1.2vw, 0.9rem);
  line-height: 1.5;
  margin-bottom: 6px;
}
body > section.main-content .hero-contact .hero-copy-kicker {
  font-size: 0.65rem;
  padding: 2px 8px;
  margin-bottom: 6px;
}
.hero-contact-button {
  margin-top: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 32px;
  padding: 7px 16px;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1;
  backdrop-filter: blur(4px);
}

@media (max-width: 768px) {
  .cobol-selection-guide {
    margin: 22px 0 32px;
    padding: 18px 14px;
    border-radius: 12px;
  }

  .guide-intro,
  .solution-patterns-grid {
    grid-template-columns: 1fr;
    gap: 18px;
  }

  .guide-intro {
    margin-bottom: 22px;
  }

  .guide-visual .demo-video {
    max-width: 100%;
    margin: 0 auto;
  }

  .pattern-card {
    width: 100%;
    padding: 20px 18px;
  }

  .category-hero.hero-overlay.copy-center .hero-copy {
    left: 50% !important;
    right: auto !important;
    width: min(88%, 560px);
    max-width: 88% !important;
    transform: translate(-50%, -50%);
  }

  .contact-section {
    padding: 24px 12px 38px;
  }

  body > section.main-content .hero-contact {
    max-width: 100%;
  }

  body > section.main-content .hero-contact > a {
    min-height: 118px;
    aspect-ratio: 3 / 1.6;
  }
}

@media (max-width: 480px) {
  body > section.main-content .hero-contact > a {
    min-height: 116px;
    aspect-ratio: 3 / 1.6;
  }

  body > section.main-content .hero-contact .hero-copy-title {
    font-size: 1rem !important;
  }

  body > section.main-content .hero-contact .hero-copy-sub {
    display: none !important;
  }

  .hero-contact-button {
    min-height: 28px;
    padding: 6px 12px;
    font-size: 0.74rem;
  }
}

/* ===================================================
   Mobile home density tuning
   スマホ時のトップページ情報量調整
   =================================================== */
@media (max-width: 600px) {
  .hero-practical,
  .site-description,
  .quick-route,
  .starter-guide,
  .pickup-section,
  .faq-section {
    margin-bottom: 22px;
  }

  .hero-practical {
    padding: 14px 16px;
    font-size: 0.94rem;
    line-height: 1.85;
  }

  .quick-route-icon {
    display: inline-block;
    margin: 0 8px 0 0;
    font-size: 1.15rem;
    vertical-align: -0.1em;
  }

  .quick-route-title {
    display: inline;
    font-size: 0.98rem;
  }

  .quick-route-text {
    margin-top: 4px;
    font-size: 0.84rem;
    line-height: 1.65;
  }

  .starter-resource-row {
    gap: 8px;
  }

  .starter-resource-row a {
    min-height: 34px;
    padding: 7px 11px;
    font-size: 0.82rem;
  }

  .hero-banner {
    padding: 0;
  }

  .hero-headline {
    font-size: 1.04rem;
    line-height: 1.65;
  }

  .hero-sub,
  .hero-answer-text {
    font-size: 0.94rem;
    line-height: 1.85;
  }

  .hero-pain,
  .hero-stats,
  .reasons-heading,
  .reasons-grid {
    display: none;
  }

  .weapons-heading {
    margin-top: 22px;
  }

  .weapons-grid,
  .reasons-grid,
  .version-guide-body,
  .pickup-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .weapon-card,
  .reason-card,
  .pickup-card {
    padding: 15px 16px;
    border-radius: 10px;
  }

  .weapon-card-desc,
  .reason-card-text,
  .pickup-card .desc,
  .pickup-card .qr-desc {
    font-size: 0.9rem;
    line-height: 1.75;
  }

  .version-guide {
    margin-top: 18px;
  }

  .version-guide-header,
  .version-col-title {
    font-size: 0.96rem;
    line-height: 1.5;
  }

  .version-col {
    padding: 14px 16px;
  }

  .version-col li {
    font-size: 0.9rem;
    line-height: 1.75;
  }

  .hero-cta-box {
    padding: 16px;
    margin-top: 20px;
  }

  .hero-cta-msg {
    font-size: 0.92rem;
    line-height: 1.75;
  }

  .hero-cta-buttons {
    gap: 9px;
  }

  .hero-cta-btn {
    max-width: none;
    min-height: 40px;
    padding: 10px 14px;
    font-size: 0.9rem;
  }

  .pickup-section h2,
  .faq-section h2 {
    font-size: 1.06rem;
    line-height: 1.55;
  }

  .pickup-card .main-title,
  .pickup-card .qr-title {
    font-size: 1rem;
    line-height: 1.55;
  }

  .ranking-tabs {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }
}

/* ===================================================
   Mobile performance tuning
   =================================================== */
@supports (content-visibility: auto) {
  @media (max-width: 768px) {
    .quick-route,
    .starter-guide,
    .pickup-section,
    .home-card.ranking-card,
    .faq-section,
    .tab-panel.active .level-legend,
    .tab-panel.active .category-desc,
    .tab-panel.active .article-list {
      content-visibility: auto;
      contain-intrinsic-size: 1px 720px;
    }

    .tab-panel.active .article-list {
      contain-intrinsic-size: 1px 900px;
    }

    .quick-route,
    .starter-guide {
      contain-intrinsic-size: 1px 620px;
    }
  }
}

@media (max-width: 768px), (hover: none) {
  .hero-copy-kicker,
  .hero-copy-tag,
  body > section.main-content .hero-contact .contact-chip {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
  }

  .new-badge {
    animation: none;
  }

  .quick-route-card:hover,
  .pickup-card:hover,
  .hero-cta-btn:hover {
    transform: none;
  }
}