/* =========================================================
   penlight.css
   eidendo.co.jp/penlight/ 専用スタイル
   全クラスに pl- プレフィックス付与（テーマCSSとの干渉回避）

   配色は英伝堂テーマ（rb-シリーズ）と統一：
     - 主色：濃紺 #1a2540 系（信頼）
     - 差し色：オレンジ #e8763a 系（カラフル発光のメタファ）
     - 背景：#f7f5f0 系（オフホワイト）
   ========================================================= */

/* ---------- design tokens ---------- */
:root {
  --pl-color-base:        #1a2540;  /* 文字・主色 */
  --pl-color-base-soft:   #3a4a6b;
  --pl-color-accent:      #e8763a;  /* CTA・アクセント */
  --pl-color-accent-soft: #f4a36a;
  --pl-color-bg:          #f7f5f0;  /* ページ背景 */
  --pl-color-bg-card:     #ffffff;
  --pl-color-border:      #e3ddd0;
  --pl-color-muted:       #6b6558;

  --pl-radius-sm: 6px;
  --pl-radius-md: 12px;
  --pl-radius-lg: 20px;

  --pl-shadow-sm: 0 2px 8px rgba(26, 37, 64, 0.06);
  --pl-shadow-md: 0 8px 24px rgba(26, 37, 64, 0.10);

  --pl-font-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;

  --pl-container: 1100px;
}

/* ---------- base ---------- */
.pl-page {
  background: var(--pl-color-bg);
  color: var(--pl-color-base);
  font-family: var(--pl-font-jp);
  line-height: 1.7;
  font-size: 16px;
}
.pl-page * { box-sizing: border-box; }

.pl-container {
  width: 100%;
  max-width: var(--pl-container);
  margin: 0 auto;
  padding: 0 24px;
}

.pl-section {
  padding: 80px 0;
}
.pl-section:nth-child(even) {
  background: var(--pl-color-bg-card);
}

.pl-section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  text-align: center;
  margin: 0 0 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
}
.pl-section-lead {
  text-align: center;
  color: var(--pl-color-muted);
  margin: 0 0 48px;
}

/* ---------- buttons ---------- */
.pl-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: var(--pl-radius-md);
  font-weight: 600;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  font-size: 0.95rem;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.pl-btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--pl-shadow-md);
}
.pl-btn-primary {
  background: var(--pl-color-accent);
  color: #fff;
}
.pl-btn-primary:hover { background: #d6612a; }

.pl-btn-outline {
  background: transparent;
  border-color: var(--pl-color-base);
  color: var(--pl-color-base);
}
.pl-btn-outline:hover { background: var(--pl-color-base); color: #fff; }

.pl-btn-ghost {
  background: transparent;
  color: var(--pl-color-base);
  border-color: transparent;
}
.pl-btn-ghost:hover { background: rgba(26, 37, 64, 0.06); }

/* =========================================================
   Hero
   ========================================================= */
.pl-hero {
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #f7f5f0 0%, #ede6d8 100%);
}
.pl-hero-inner {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}
.pl-eyebrow {
  display: inline-block;
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--pl-color-accent);
  font-weight: 600;
  margin: 0 0 16px;
}
.pl-hero-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 24px;
}
.pl-hero-lead {
  font-size: 1.05rem;
  color: var(--pl-color-base-soft);
  margin: 0 0 32px;
}
.pl-hero-cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 40px;
}
.pl-hero-image img {
  width: 100%;
  height: auto;
  border-radius: var(--pl-radius-lg);
  box-shadow: var(--pl-shadow-md);
}

.pl-hero-badges {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
}
.pl-hero-badges li {
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-md);
  padding: 14px 12px;
  text-align: center;
  font-size: 0.85rem;
}
.pl-hero-badges strong {
  display: block;
  font-size: 0.95rem;
  margin: 6px 0 2px;
}
.pl-hero-badges span:not(.pl-badge-icon) {
  color: var(--pl-color-muted);
  font-size: 0.8rem;
}
.pl-badge-icon {
  font-size: 1.4rem;
  display: block;
}

/* =========================================================
   Features
   ========================================================= */
.pl-features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.pl-feature-card {
  background: var(--pl-color-bg-card);
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-lg);
  padding: 28px 24px;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.pl-feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--pl-shadow-md);
}
.pl-feature-image {
  width: 100%;
  aspect-ratio: 4/3;
  margin-bottom: 20px;
  border-radius: var(--pl-radius-md);
  overflow: hidden;
  background: var(--pl-color-bg);
}
.pl-feature-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.pl-feature-card h3 {
  font-size: 1.15rem;
  margin: 0 0 12px;
}
.pl-feature-card p {
  color: var(--pl-color-base-soft);
  font-size: 0.95rem;
  margin: 0;
}

/* =========================================================
   Products
   ========================================================= */
.pl-products-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 28px;
  max-width: 900px;
  margin: 0 auto;
}
.pl-product-card {
  position: relative;
  background: var(--pl-color-bg-card);
  border: 2px solid var(--pl-color-border);
  border-radius: var(--pl-radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
}
.pl-product-card--featured {
  border-color: var(--pl-color-accent);
  box-shadow: 0 12px 32px rgba(232, 118, 58, 0.15);
}
.pl-product-tag {
  position: absolute;
  top: -12px;
  left: 24px;
  background: var(--pl-color-base);
  color: #fff;
  padding: 4px 14px;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.pl-product-tag--featured {
  background: var(--pl-color-accent);
}
.pl-product-name {
  font-size: 1.4rem;
  margin: 8px 0 12px;
}
.pl-product-desc {
  color: var(--pl-color-base-soft);
  font-size: 0.95rem;
  margin: 0 0 20px;
}
.pl-product-spec {
  list-style: none;
  padding: 0;
  margin: 0 0 24px;
  border-top: 1px dashed var(--pl-color-border);
  padding-top: 16px;
}
.pl-product-spec li {
  padding: 6px 0;
  font-size: 0.9rem;
  color: var(--pl-color-base-soft);
}
.pl-product-spec li::before {
  content: "•";
  color: var(--pl-color-accent);
  font-weight: bold;
  margin-right: 8px;
}
.pl-product-price {
  margin: 0 0 20px;
  text-align: center;
}
.pl-price-from {
  display: block;
  font-size: 0.8rem;
  color: var(--pl-color-muted);
}
.pl-product-price strong {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--pl-color-base);
}
.pl-price-note {
  display: block;
  font-size: 0.75rem;
  color: var(--pl-color-muted);
}
.pl-product-card .pl-btn {
  margin-top: auto;
  width: 100%;
}

/* =========================================================
   Pricing / Estimator
   ========================================================= */
.pl-estimator {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas:
    "step1 result"
    "step2 result";
  gap: 24px;
  background: var(--pl-color-bg-card);
  padding: 32px;
  border-radius: var(--pl-radius-lg);
  border: 1px solid var(--pl-color-border);
}
.pl-estimator-block:nth-child(1) { grid-area: step1; }
.pl-estimator-block:nth-child(2) { grid-area: step2; }
.pl-estimator-result            { grid-area: result; }

.pl-estimator-block {
  padding: 20px;
  background: var(--pl-color-bg);
  border-radius: var(--pl-radius-md);
}
.pl-estimator-step {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.05rem;
  margin: 0 0 16px;
}
.pl-step-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  background: var(--pl-color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 0.9rem;
  font-weight: 700;
}

/* radio cards */
.pl-product-selector {
  display: grid;
  gap: 10px;
}
.pl-radio-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: #fff;
  border: 2px solid var(--pl-color-border);
  border-radius: var(--pl-radius-md);
  cursor: pointer;
  transition: border-color 0.15s ease;
}
.pl-radio-card:has(input:checked) {
  border-color: var(--pl-color-accent);
  background: #fff8f3;
}
.pl-radio-card input { accent-color: var(--pl-color-accent); }
.pl-radio-card-body strong { display: block; font-size: 0.95rem; }
.pl-radio-card-body small { color: var(--pl-color-muted); font-size: 0.8rem; }

/* form rows */
.pl-form-row {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.pl-form-row label { min-width: 60px; font-weight: 600; }
.pl-qty-wrap {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
}
.pl-qty-wrap input {
  flex: 1;
  padding: 10px 12px;
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-sm);
  font-size: 1rem;
  font-family: inherit;
}
.pl-qty-unit { color: var(--pl-color-muted); }

.pl-form-row--checks {
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
}
.pl-checkbox {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-weight: 400;
  min-width: auto;
}
.pl-checkbox input { accent-color: var(--pl-color-accent); width: 18px; height: 18px; }

/* result */
.pl-estimator-result {
  background: linear-gradient(140deg, #fff 0%, #fdf6ee 100%);
  border: 2px solid var(--pl-color-accent);
}
.pl-result-list {
  margin: 0 0 20px;
  padding: 0;
}
.pl-result-list > div {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed var(--pl-color-border);
  font-size: 0.95rem;
}
.pl-result-list dt { color: var(--pl-color-muted); margin: 0; }
.pl-result-list dd { margin: 0; font-weight: 600; }
.pl-result-total {
  background: var(--pl-color-accent);
  color: #fff;
  padding: 14px 16px !important;
  border-radius: var(--pl-radius-sm);
  margin-top: 8px;
  border: none !important;
}
.pl-result-total dt { color: rgba(255, 255, 255, 0.9) !important; }
.pl-result-total dd { font-size: 1.4rem; font-weight: 800; }

.pl-result-actions {
  display: flex;
  gap: 10px;
  flex-direction: column;
}
.pl-result-actions .pl-btn { width: 100%; }

/* =========================================================
   Timeline
   ========================================================= */
.pl-timeline-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  position: relative;
}
.pl-timeline-item {
  background: var(--pl-color-bg-card);
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-md);
  padding: 24px 20px;
  position: relative;
  text-align: center;
}
.pl-timeline-num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  background: var(--pl-color-accent);
  color: #fff;
  border-radius: 50%;
  font-size: 1.2rem;
  font-weight: 800;
  margin-bottom: 12px;
}
.pl-timeline-body h3 {
  font-size: 1.05rem;
  margin: 0 0 6px;
}
.pl-timeline-body p {
  color: var(--pl-color-base-soft);
  font-size: 0.85rem;
  margin: 0 0 10px;
}
.pl-timeline-day {
  display: inline-block;
  padding: 4px 12px;
  background: var(--pl-color-bg);
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--pl-color-base);
}

/* =========================================================
   FAQ
   ========================================================= */
.pl-faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: grid;
  gap: 12px;
}
.pl-faq-item {
  background: var(--pl-color-bg-card);
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-md);
  padding: 4px 0;
  transition: box-shadow 0.15s ease;
}
.pl-faq-item[open] { box-shadow: var(--pl-shadow-sm); }
.pl-faq-item summary {
  cursor: pointer;
  padding: 18px 24px;
  font-weight: 600;
  list-style: none;
  position: relative;
  padding-right: 50px;
}
.pl-faq-item summary::-webkit-details-marker { display: none; }
.pl-faq-item summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.4rem;
  color: var(--pl-color-accent);
  font-weight: 400;
  transition: transform 0.2s ease;
}
.pl-faq-item[open] summary::after {
  content: "−";
}
.pl-faq-item p {
  margin: 0;
  padding: 0 24px 20px;
  color: var(--pl-color-base-soft);
  font-size: 0.95rem;
}
.pl-faq-item a {
  color: var(--pl-color-accent);
  text-decoration: underline;
}

/* =========================================================
   Responsive
   ========================================================= */
@media (max-width: 880px) {
  .pl-section { padding: 56px 0; }

  .pl-hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .pl-hero-image { order: -1; }
  .pl-hero-badges { grid-template-columns: 1fr; }

  .pl-features-grid { grid-template-columns: 1fr; }
  .pl-products-grid { grid-template-columns: 1fr; }

  .pl-estimator {
    grid-template-columns: 1fr;
    grid-template-areas:
      "step1"
      "step2"
      "result";
    padding: 20px;
  }

  .pl-timeline-list { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 480px) {
  .pl-timeline-list { grid-template-columns: 1fr; }
  .pl-hero-cta { flex-direction: column; }
  .pl-hero-cta .pl-btn { width: 100%; }
}

/* =========================================================
   関連ガイド カードグリッド
   ========================================================= */
.pl-guides-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.pl-guide-card {
  background: var(--pl-color-bg-card);
  border: 1px solid var(--pl-color-border);
  border-radius: var(--pl-radius-md);
  padding: 28px 24px;
  text-decoration: none;
  color: var(--pl-color-base);
  transition: border-color 0.25s ease, box-shadow 0.25s ease;
}
.pl-guide-card:hover {
  border-color: #D0CEC8;
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
}
.pl-guide-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--pl-color-base-soft);
  background: var(--pl-color-bg);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  letter-spacing: 0.04em;
  margin-bottom: 10px;
}
.pl-guide-card h3 {
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 6px;
}
.pl-guide-card p {
  font-size: 0.85rem;
  color: var(--pl-color-muted);
  margin: 0;
  line-height: 1.7;
}

@media (max-width: 880px) {
  .pl-guides-grid { grid-template-columns: 1fr; }
}