/* =========================================================
   JWL — network.html page specific styles
   Builds on: style.css + jline.css + system.css + cloud.css
   ========================================================= */

/* ---------- Hero bg override ---------- */
.page-network .jp-hero::before {
  background-image: url("../../img/jigyo02-002.jpg");
  opacity: 0.18;
  filter: brightness(0.7) contrast(1.05) saturate(0.88);
}
.page-network .jp-hero::after {
  background:
    radial-gradient(ellipse 70% 50% at 25% 35%, rgba(56,189,248,0.12), transparent 60%),
    radial-gradient(ellipse 60% 60% at 80% 70%, rgba(139,92,246,0.09), transparent 60%),
    linear-gradient(180deg, transparent 55%, rgba(5,7,13,0.95) 100%);
}

/* ---------- Wi-Fi section ---------- */
.wifi-lead {
  max-width: 880px;
  color: var(--text-2);
  line-height: 1.95;
  margin-bottom: 46px;
  font-size: clamp(14px, 1vw, 15.5px);
}
.wifi-lead strong { color: var(--text); font-weight: 600; }

.wifi-sub-title {
  font-family: var(--font-jp);
  font-size: clamp(22px, 2vw, 28px);
  font-weight: 700;
  margin: 56px 0 24px;
  letter-spacing: 0;
  line-height: 1.4;
}
.wifi-sub-title .grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Wi-Fi intro grid */
.wifi-intro {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 22px;
  margin-bottom: 8px;
}
.wifi-intro-card {
  padding: 30px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
}
.wifi-intro-card h3 {
  font-family: var(--font-jp);
  font-size: 19px;
  font-weight: 700;
  margin: 0 0 18px;
  line-height: 1.4;
}
.wifi-intro-card-accent {
  background: linear-gradient(180deg, rgba(34,211,238,0.07), rgba(20,184,166,0.03) 60%, var(--surface) 100%);
  border-color: rgba(34,211,238,0.22);
}
.wifi-reason-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column;
  gap: 12px;
}
.wifi-reason-list li {
  position: relative;
  padding-left: 24px;
  font-size: 13.8px;
  color: var(--text-2);
  line-height: 1.8;
}
.wifi-reason-list li::before {
  content: "›";
  position: absolute;
  left: 4px; top: 1px;
  color: var(--accent-3);
  font-weight: 700;
  font-family: var(--font-en);
}
.wifi-reason-list li strong { color: var(--text); font-weight: 700; }

.wifi-step-list {
  list-style: none;
  padding: 0; margin: 0;
  display: flex; flex-direction: column;
  gap: 14px;
}
.wifi-step-list > li {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 14px;
  align-items: start;
}
.wifi-step-num {
  display: grid;
  place-items: center;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: rgba(34,211,238,0.12);
  border: 1px solid rgba(34,211,238,0.3);
  color: var(--accent-2);
  font-family: var(--font-en);
  font-size: 12.5px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.wifi-step-list > li > div strong {
  display: block;
  font-family: var(--font-jp);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.wifi-step-list > li > div p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.75;
}
.wifi-step-list > li > div strong + p strong {
  display: inline;
  font-size: inherit;
  color: var(--text);
  margin: 0;
  font-weight: 600;
}

/* Wi-Fi standards compare */
.wifi-compare {
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  background: rgba(255,255,255,0.02);
}
.wifi-compare-row {
  display: grid;
  grid-template-columns: 1.2fr 1.2fr 1fr 2fr;
  gap: 18px;
  padding: 18px 24px;
  border-bottom: 1px solid var(--border);
  align-items: center;
  font-size: 13.5px;
  color: var(--text-2);
  line-height: 1.6;
}
.wifi-compare-row:last-child { border-bottom: 0; }
.wifi-compare-head {
  background: rgba(255,255,255,0.04);
  font-family: var(--font-en);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--text-3);
}
.wifi-compare-row > div strong {
  color: var(--text);
  font-weight: 700;
  font-size: 14.5px;
  display: block;
  margin-bottom: 2px;
}
.wifi-std {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-3);
  letter-spacing: 0.02em;
}
.wifi-compare-row-hl {
  background: linear-gradient(90deg, rgba(34,211,238,0.06), rgba(20,184,166,0.04));
}
.wifi-compare-row-hl > div strong {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Wi-Fi use cases grid */
.wifi-cases {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.wifi-case {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 18px;
  overflow: hidden;
  display: flex; flex-direction: column;
  transition: transform .3s, border-color .3s;
}
.wifi-case:hover {
  transform: translateY(-3px);
  border-color: rgba(34,211,238,0.3);
}
.wifi-case-img {
  margin: 0;
  aspect-ratio: 16/10;
  overflow: hidden;
  position: relative;
}
.wifi-case-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  filter: brightness(0.85) saturate(0.96);
  transition: transform .6s ease;
}
.wifi-case:hover .wifi-case-img img { transform: scale(1.04); }
.wifi-case-img::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(5,7,13,0.68) 100%);
}
.wifi-case-body {
  padding: 18px 20px 22px;
  display: flex; flex-direction: column;
  gap: 6px;
}
.wifi-case-tag {
  align-self: flex-start;
  font-family: var(--font-en);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  background: rgba(59,130,246,0.12);
  color: var(--accent-2);
  border: 1px solid rgba(59,130,246,0.24);
  margin-bottom: 4px;
}
.wifi-case h4 {
  font-family: var(--font-jp);
  font-size: 16px;
  font-weight: 700;
  margin: 0;
  line-height: 1.45;
}
.wifi-case p {
  color: var(--text-2);
  font-size: 13px;
  line-height: 1.8;
}
.wifi-case p strong { color: var(--text); font-weight: 600; }

/* Wi-Fi callout */
.wifi-callout {
  margin-top: 56px;
  padding: 34px 40px;
  background: linear-gradient(135deg, rgba(34,211,238,0.08), rgba(20,184,166,0.04));
  border: 1px solid rgba(34,211,238,0.25);
  border-radius: 22px;
  display: grid;
  grid-template-columns: 1fr 1.4fr auto;
  gap: 28px;
  align-items: center;
}
.wifi-callout-left { display: flex; flex-direction: column; gap: 8px; }
.wifi-callout-tag {
  font-family: var(--font-en);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-3);
}
.wifi-callout h3 {
  font-family: var(--font-jp);
  font-size: clamp(18px, 1.6vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
}
.wifi-callout > p {
  color: var(--text-2);
  font-size: 13.5px;
  line-height: 1.95;
  margin: 0;
}
.wifi-callout > p strong { color: var(--text); font-weight: 600; }

/* ---------- Stack chips: vendor block emphasis ---------- */
.net-vendor-block { margin-top: 0 !important; }
.stack-chips-block + .stack-chips-block { margin-top: 20px; }

/* ---------- Responsive ---------- */
@media (max-width: 1100px) {
  .wifi-intro { grid-template-columns: 1fr; }
  .wifi-cases { grid-template-columns: repeat(2, 1fr); }
  .wifi-callout { grid-template-columns: 1fr; gap: 16px; }
}
@media (max-width: 820px) {
  .wifi-compare-row {
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    padding: 14px 18px;
  }
  .wifi-compare-head { display: none; }
  .wifi-compare-row > div:last-child { grid-column: 1 / -1; color: var(--text-3); font-size: 12.8px; }
}
@media (max-width: 640px) {
  .wifi-cases { grid-template-columns: 1fr; }
  .wifi-intro-card { padding: 24px 22px; }
  .wifi-callout { padding: 26px 24px; }
}