:root {
  --bg: #f3f6fb;
  --surface: #ffffff;
  --text: #1f2933;
  --muted: #52606d;
  --primary: #2c5aa0;
  --border: #d9e2ec;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}

body {
  margin: 0;
  font-family: Verdana, Arial, sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #e6eef9 0%, var(--bg) 40%);
  line-height: 1.55;
}

img {
  display: block;
  max-width: 100%;
}

.container {
  width: min(980px, 94vw);
  margin: 2rem auto;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  box-shadow: 0 8px 24px rgba(44, 90, 160, 0.08);
  padding: 1.25rem;
}

.hero {
  text-align: center;
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}

.hero img {
  margin: 0 auto;
  max-width: 100%;
  height: auto;
}

h1 {
  margin: 0.75rem 0 0;
  color: var(--primary);
  font-size: clamp(1.6rem, 2.5vw, 2.2rem);
}

.project-folder-name {
  margin: 0.2rem 0 0;
  color: #334e68;
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h2 {
  color: var(--primary);
  margin-top: 1.4rem;
  margin-bottom: 0.6rem;
  font-size: 1.2rem;
}

h3 {
  color: var(--primary);
  margin-top: 1rem;
  margin-bottom: 0.5rem;
  font-size: 1.05rem;
}

p {
  margin: 0.65rem 0;
}

ul,
ol {
  padding-left: 1.2rem;
}

li + li {
  margin-top: 0.35rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: 1rem;
  align-items: start;
}

.figure {
  text-align: center;
  margin: 0.9rem 0;
}

.figure img {
  max-width: 100%;
  height: auto;
  border: 1px solid var(--border);
  border-radius: 10px;
}

.figure-tight {
  margin: 0.5rem 0 0;
}

.info-card {
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.card-grid.compact .info-card {
  min-height: 100%;
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin-top: 1rem;
}

.part-card {
  margin: 0;
  padding: 0.9rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #ffffff;
  text-align: center;
}

.part-card img {
  margin: 0 auto 0.75rem;
  width: auto;
  max-height: 130px;
  object-fit: contain;
}

.part-link {
  display: block;
  text-decoration: none;
  transition: transform 0.15s ease, opacity 0.15s ease;
}

.part-link:hover img,
.part-link:focus-visible img {
  opacity: 0.85;
  transform: scale(1.03);
}

.part-link:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-radius: 8px;
}

.part-card figcaption {
  color: var(--muted);
  font-size: 0.94rem;
  font-weight: 700;
}

.notice {
  color: #b00020;
  font-weight: 700;
}

.cta {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 1rem;
  align-items: center;
  border-top: 1px solid var(--border);
  margin-top: 1rem;
  padding-top: 1rem;
}

.action-row {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.order-link,
.print-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border-radius: 999px;
  padding: 0.5rem 0.9rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-decoration: none;
  cursor: pointer;
}

.order-link {
  color: #ffffff;
  background: var(--primary);
  border: 1px solid #1f4e92;
}

.order-link:hover {
  background: #234a84;
}

.print-btn {
  color: var(--primary);
  background: #ffffff;
  border: 1px solid #1f4e92;
}

.print-btn:hover {
  background: #edf4ff;
}

.order-link:focus-visible,
.print-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

.order-link-icon,
.print-btn-icon {
  display: block;
  flex: 0 0 auto;
}

.print-only-order-card {
  display: none;
}

.print-qr-code {
  width: 150px;
  height: 150px;
  border: 1px solid #333333;
  margin: 0 auto;
}

@media (max-width: 960px) {
  .card-grid,
  .parts-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cta,
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 680px) {
  .container {
    margin: 1rem auto;
    padding: 1rem;
  }

  .card-grid,
  .parts-grid {
    grid-template-columns: 1fr;
  }
}

@media print {
  body {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .container {
    width: min(980px, 100%);
    box-shadow: none;
  }

  .cta,
  .order-link,
  .print-btn {
    display: none !important;
  }

  .grid-2 {
    display: block;
  }

  .grid-2 > div {
    margin-bottom: 0.5rem;
  }

  .grid-2 .figure {
    margin: 0.5rem auto 0;
  }

  .grid-2 .figure img {
    max-width: 70%;
  }

  .grid-2.image-pair {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    align-items: start;
  }

  .grid-2.image-pair .figure {
    margin: 0;
  }

  .grid-2.image-pair .figure img {
    max-width: 100%;
  }

  .card-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .parts-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .info-card,
  .part-card {
    border: 1px solid var(--border);
    background: none;
  }

  .grid-2,
  .card-grid,
  .parts-grid {
    align-items: stretch;
  }

  .info-card,
  .part-card,
  .figure {
    break-inside: avoid;
    page-break-inside: avoid;
  }

  .part-card img {
    max-height: none;
  }

  .print-only-order-card {
    display: block;
    border: 2px solid var(--primary);
    border-radius: 8px;
    padding: 1rem;
    margin-top: 1rem;
    page-break-inside: avoid;
  }

  .print-only-order-card h2 {
    margin-top: 0;
    padding-bottom: 0.6rem;
    border-bottom: 2px solid var(--primary);
    text-align: center;
  }

  .print-order-content {
    display: grid;
    grid-template-columns: 180px 1fr;
    gap: 1.5rem;
    align-items: center;
    margin-top: 1rem;
  }

  .print-qr-section {
    text-align: center;
  }

  .print-qr-code {
    width: 150px;
    height: 150px;
    border: 1px solid #333333;
    margin: 0 auto;
  }

  .print-info-section {
    font-size: 0.95rem;
    line-height: 1.4;
  }

  .print-url {
    margin-bottom: 1rem;
    font-size: 0.9rem;
  }

  .print-url span {
    font-family: monospace;
    word-break: break-all;
    color: #0066cc;
  }

  .print-company {
    font-size: 0.9rem;
    line-height: 1.5;
  }

  .print-title {
    font-size: 1rem;
    margin-top: 0;
  }
}