/* ===========================
   Services — overview cards
   =========================== */
.sv-overview { background: var(--ink); padding: 0; }
.sv-cards {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.sv-card {
  position: relative; display: block; overflow: hidden;
  aspect-ratio: 2/3; text-decoration: none; color: inherit;
  background: var(--ink-2);
}
.sv-card-img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform 0.9s var(--ease);
}
.sv-card-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(7,11,18,0.88) 0%, rgba(7,11,18,0.3) 55%, transparent 100%);
  transition: background 0.5s;
}
.sv-card:hover .sv-card-overlay {
  background: linear-gradient(to top, rgba(7,11,18,0.92) 0%, rgba(7,11,18,0.45) 60%, rgba(7,11,18,0.1) 100%);
}
.sv-card:hover .sv-card-img { transform: scale(1.07); }
.sv-card-body {
  position: absolute; inset: 0;
  display: flex; flex-direction: column; justify-content: flex-end;
  padding: clamp(24px, 4vw, 48px);
}
.sv-card-num {
  font-size: 11px; letter-spacing: 0.35em; color: var(--blue-bright);
  margin-bottom: 12px; opacity: 0.9;
}
.sv-card-en {
  font-family: var(--font-display); font-size: clamp(11px, 1.2vw, 13px);
  letter-spacing: 0.2em; color: rgba(255,255,255,0.45);
  margin-bottom: 8px; font-weight: 400;
}
.sv-card-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(26px, 3.5vw, 44px); line-height: 1.1;
  letter-spacing: 0.02em; color: #fff;
  margin-bottom: 16px;
}
.sv-card-desc {
  font-size: 13px; line-height: 1.8; color: rgba(255,255,255,0.6);
  margin-bottom: 28px;
  max-height: 0; overflow: hidden;
  transition: max-height 0.5s var(--ease), opacity 0.4s;
  opacity: 0;
}
.sv-card:hover .sv-card-desc { max-height: 80px; opacity: 1; }
.sv-card-cta {
  display: flex; align-items: center; gap: 12px;
  font-size: 12px; letter-spacing: 0.15em; font-weight: 600;
  color: var(--blue-bright);
  transition: gap 0.3s;
}
.sv-card-cta::after { content: '→'; transition: transform 0.3s; }
.sv-card:hover .sv-card-cta { gap: 16px; }
.sv-card:hover .sv-card-cta::after { transform: translateX(4px); }

/* Coming soon card */
.sv-card-coming .sv-card-img { opacity: 0.35; }
.sv-card-coming .sv-card-tag {
  position: absolute; top: 28px; right: 28px;
  font-size: 10px; letter-spacing: 0.35em;
  border: 1px solid rgba(255,255,255,0.2);
  padding: 6px 14px; color: rgba(255,255,255,0.5);
}

/* Breadcrumb */
.breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-size: 12px; letter-spacing: 0.1em; color: var(--text-dim);
  margin-bottom: 40px;
}
.breadcrumb a { color: var(--text-dim); text-decoration: none; transition: color 0.2s; }
.breadcrumb a:hover { color: var(--blue-bright); }
.breadcrumb span { opacity: 0.4; }

/* Service detail — sub-tabs (drone) */
.sv-tabs {
  display: flex; gap: 0; border-bottom: 1px solid var(--line);
  margin-bottom: 64px;
}
.sv-tab {
  padding: 16px 32px; font-size: 12px; letter-spacing: 0.15em; font-weight: 600;
  color: var(--text-dim); cursor: pointer; border: none; background: none;
  border-bottom: 2px solid transparent; margin-bottom: -1px;
  transition: color 0.25s, border-color 0.25s;
  text-decoration: none;
}
.sv-tab.active, .sv-tab:hover { color: var(--blue-bright); border-bottom-color: var(--blue-bright); }

/* Process steps */
.sv-process { margin-top: 48px; }
.sv-process-title {
  font-size: 11px; letter-spacing: 0.3em; color: var(--blue-bright);
  margin-bottom: 28px;
}
.sv-steps {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 2px;
}
.sv-step {
  background: var(--ink-2); padding: 28px 24px;
  border: 1px solid var(--line);
  transition: border-color 0.3s;
}
.sv-step:hover { border-color: rgba(30,111,217,0.3); }
.sv-step-num {
  font-family: var(--font-display); font-size: 36px; font-weight: 700;
  color: rgba(30,111,217,0.2); line-height: 1; margin-bottom: 16px;
}
.sv-step h4 { font-size: 14px; font-weight: 600; margin-bottom: 10px; letter-spacing: 0.05em; }
.sv-step p { font-size: 13px; color: var(--text-dim); line-height: 1.7; }

/* Drone sub-service sections */
.drone-sec {
  padding: clamp(64px, 8vw, 112px) 0;
  border-top: 1px solid var(--line);
}
.drone-sec:first-child { border-top: none; }

@media (max-width: 900px) {
  .sv-cards { grid-template-columns: 1fr; }
  .sv-card { aspect-ratio: 4/3; }
  .sv-card-desc { max-height: none; opacity: 1; }
  .sv-steps { grid-template-columns: 1fr 1fr; }
  .sv-tabs { overflow-x: auto; }
}
@media (max-width: 600px) {
  .sv-steps { grid-template-columns: 1fr; }
}

/* === 基盤フォトストリップ（solar.php） === */
.solar-board-strip {
  position: relative;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.solar-board-strip-inner {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  height: clamp(200px, 28vw, 400px);
}
.solar-board-strip-inner img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.9s var(--ease), filter 0.5s;
  filter: brightness(0.88);
}
.solar-board-strip-inner img:hover {
  transform: scale(1.04);
  filter: brightness(1.0);
}
.solar-board-strip-label {
  position: absolute; bottom: 16px; right: 24px;
  font-size: 9px; letter-spacing: 0.35em;
  color: rgba(255,255,255,0.35);
  pointer-events: none;
}

@media (max-width: 600px) {
  .solar-board-strip-inner { grid-template-columns: 1fr; height: auto; }
  .solar-board-strip-inner img { height: clamp(180px, 50vw, 280px); }
}

/* Services page */
.sv-detail { background: var(--ink); }
.sv-alt    { background: var(--ink-2); }

.svd-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px); align-items: center;
}
.svd-reverse { direction: rtl; }
.svd-reverse > * { direction: ltr; }

.svd-img { height: clamp(300px, 40vw, 560px); border-radius: var(--r-lg); }

.svd-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(36px, 5.5vw, 72px); line-height: 1.0;
  letter-spacing: 0.02em; margin-bottom: 24px;
}
.svd-body p { color: var(--text-dim); font-size: 15px; line-height: 2; margin-bottom: 14px; }

.svd-list { margin: 24px 0; display: flex; flex-direction: column; }
.svd-list li {
  padding: 12px 0; border-bottom: 1px solid var(--line);
  font-size: 14px; color: var(--text-dim);
  display: flex; align-items: center; gap: 14px;
}
.svd-list li::before {
  content: ''; width: 6px; height: 6px; background: var(--blue-bright);
  transform: rotate(45deg); flex-shrink: 0;
  box-shadow: 0 0 8px var(--blue-bright);
}

/* Coming Soon */
.svd-coming-img {
  height: clamp(300px, 40vw, 560px); border-radius: var(--r-lg);
  border: 1px solid var(--line); background: var(--ink-3);
  display: flex; align-items: center; justify-content: center;
}
.coming-soon-placeholder {
  display: flex; align-items: center; justify-content: center;
  width: 100%; height: 100%;
}
.cs-label {
  font-size: clamp(16px, 3vw, 28px); letter-spacing: 0.4em;
  color: var(--text-dim); border: 1px solid var(--line);
  padding: 16px 32px;
}
.coming-soon-badge {
  display: inline-flex; align-items: center;
  border: 1px solid var(--blue-bright);
  padding: 8px 20px; margin-top: 8px; border-radius: 2px;
}
.coming-soon-badge span {
  font-size: 12px; letter-spacing: 0.4em; color: var(--blue-bright); text-transform: uppercase;
}

@media (max-width: 860px) {
  .svd-grid, .svd-reverse { grid-template-columns: 1fr; direction: ltr; }
  .svd-img { height: clamp(220px, 50vw, 360px); }
}

/* ===========================
   TRAINING FIELD セクション
   =========================== */
.field-sec { padding: 0 !important; overflow: hidden; }

/* バナー（パララックス） */
.field-banner {
  position: relative;
  height: clamp(360px, 48vw, 560px);
  overflow: hidden;
  display: flex; align-items: flex-end;
  background-size: cover;
  background-position: center 30%;
  background-attachment: fixed; /* パララックス */
}
.field-banner-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(7,11,18,0.92) 0%,
    rgba(7,11,18,0.45) 40%,
    rgba(7,11,18,0.1)  75%,
    transparent        100%
  );
}
.field-banner-inner {
  position: relative; z-index: 2;
  padding-bottom: clamp(40px, 6vw, 72px);
  text-align: left;
}
.field-title {
  font-family: var(--font-display); font-weight: 700;
  font-size: clamp(36px, 5.5vw, 68px);
  line-height: 1.05; letter-spacing: 0.02em;
  color: #fff; margin: 12px 0 14px;
}
.field-subtitle {
  font-size: clamp(13px, 1.4vw, 15px);
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em;
}

/* フォトモザイク（上段2枚 + 下段6枚） */
.field-mosaic {
  display: grid;
  grid-template-rows: auto auto;
  gap: 2px;
  background: var(--ink);
}
.mosaic-top {
  display: grid; grid-template-columns: 1fr 1fr; gap: 2px;
  height: clamp(240px, 32vw, 440px);
}
.mosaic-strip {
  display: grid; grid-template-columns: repeat(6, 1fr); gap: 2px;
  height: clamp(110px, 13vw, 190px);
}
.field-mosaic img {
  width: 100%; height: 100%; object-fit: cover; display: block;
  transition: transform 0.9s var(--ease), filter 0.5s;
  filter: brightness(0.85);
}
.field-mosaic img:hover {
  transform: scale(1.06);
  filter: brightness(1.0);
}

/* テキスト + 認定 */
.field-info-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(48px, 7vw, 96px);
  padding: clamp(64px, 9vw, 112px) 0;
  align-items: start;
}
.field-body p {
  color: var(--text-dim); font-size: 15px; line-height: 2.0;
  margin-bottom: 18px;
}
.field-certs { display: flex; flex-direction: column; gap: 20px; }

.cert-card {
  background: var(--ink-3);
  border: 1px solid var(--line);
  border-left: 2px solid var(--blue-bright);
  border-radius: var(--r-md);
  padding: clamp(20px, 2.5vw, 28px) clamp(22px, 2.8vw, 32px);
  transition: border-left-color 0.3s, box-shadow 0.3s;
}
.cert-card:hover {
  border-left-color: var(--cyan);
  box-shadow: 0 0 24px rgba(94,234,212,0.07);
}
.cert-badge {
  font-size: 9px; letter-spacing: 0.35em;
  color: var(--blue-bright); text-transform: uppercase;
  margin-bottom: 10px;
}
.cert-org {
  font-size: clamp(14px, 1.5vw, 17px); font-weight: 700;
  line-height: 1.55; letter-spacing: 0.02em;
  margin-bottom: 12px;
}
.cert-desc {
  font-size: 13px; color: var(--text-dim); line-height: 1.85;
}

/* Map */
.field-map-wrap {
  display: grid;
  grid-template-columns: 1fr 420px;
  border-top: 1px solid var(--line);
  min-height: clamp(320px, 38vw, 500px);
}
.field-map-embed { overflow: hidden; }
.field-map-embed iframe { width: 100%; height: 100%; border: none; display: block; }
.field-map-info {
  background: var(--ink-3);
  padding: clamp(36px, 4.5vw, 60px);
  display: flex; flex-direction: column;
  justify-content: space-between; gap: 28px;
  border-left: 1px solid var(--line);
}
.field-map-name {
  font-size: clamp(20px, 2.5vw, 28px); font-weight: 700;
  letter-spacing: 0.02em; margin-bottom: 8px;
}
.field-map-addr { font-size: 14px; color: var(--text-dim); margin-bottom: 0; }
.field-map-note {
  font-size: 13px; color: var(--text-dim); line-height: 1.9;
}

/* レスポンシブ */
@media (max-width: 900px) {
  .field-banner { background-attachment: scroll; } /* iOS固定背景回避 */
  .mosaic-top   { height: clamp(200px, 48vw, 340px); }
  .mosaic-strip { grid-template-columns: repeat(3, 1fr); height: auto; }
  .mosaic-strip img { height: clamp(100px, 25vw, 180px); }
  .field-info-grid  { grid-template-columns: 1fr; }
  .field-map-wrap   { grid-template-columns: 1fr; }
  .field-map-embed  { height: 300px; }
}
@media (max-width: 560px) {
  .mosaic-top   { grid-template-columns: 1fr; height: auto; }
  .mosaic-top img { height: clamp(180px, 50vw, 280px); }
  .mosaic-strip { grid-template-columns: repeat(2, 1fr); }
}