:root {
  --ink: #1a1a1a;
  --paper: #ffffff;
  --gray-bg: #f5f5f4;
  --gray-line: #ddd;
  --accent: #1a1a1a;
  --max-width: 680px;
}
* { box-sizing: border-box; }
video {
  display: block;
  width: 100%;
  height: auto;
  margin-left: auto;
  margin-right: auto;
}
img {
  margin-left: auto;
  margin-right: auto;
}
body {
  margin: 0;
  font-family: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", system-ui, sans-serif;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.7;
  padding-bottom: 64px;
}
main {
  max-width: var(--max-width);
  margin: 0 auto;
}
.full-bleed {
  display: block;
  width: 100%;
  height: auto;
}
.draft-banner {
  position: sticky;
  top: 0;
  z-index: 110;
  background: #111;
  color: #fff;
  text-align: center;
  font-size: 12px;
  padding: 8px;
  letter-spacing: 0.02em;
}
.draft-banner-label {
  display: block;
  margin-bottom: 6px;
}
.fv { position: relative; }
.fv-body {
  padding: 20px 20px 28px;
  text-align: left;
}
.fv-sub {
  font-size: 12px;
  letter-spacing: 0.15em;
  color: #666;
  margin: 0 0 8px;
}
.fv-copy {
  font-size: 22px;
  margin: 0 0 6px;
  line-height: 1.5;
}
.fv-copy-sub {
  font-size: 15px;
  color: #444;
  margin: 0 0 16px;
}
.block {
  padding: 40px 20px;
  text-align: left;
  border-top: 1px solid var(--gray-line);
}
.block--flush {
  padding: 0;
  border-top: none;
}
.block-title {
  font-size: 19px;
  margin: 0 0 12px;
  line-height: 1.6;
}
.block-lead {
  font-size: 14px;
  color: #444;
  margin: 0 0 20px;
}
body.teaser { padding-bottom: 0; }
.teaser { padding-bottom: 0; }
.teaser-badge {
  display: block;
  text-align: center;
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--ink);
  margin: 24px 0;
  position: relative;
}
.teaser-badge::before,
.teaser-badge::after {
  content: "";
  display: inline-block;
  width: 28px;
  height: 1px;
  background: var(--ink);
  vertical-align: middle;
  margin: 0 12px;
}
.line-cta {
  text-align: center;
  padding: 8px 0 4px;
}
.line-cta-note {
  font-size: 13px;
  color: #444;
  margin: 0 0 14px;
  line-height: 1.8;
}
.line-cta-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  width: 100%;
  max-width: 340px;
  padding: 16px 24px;
  min-height: 44px;
  background: #06C755;
  color: #fff;
  text-decoration: none;
  border-radius: 8px;
  font-size: 16px;
  font-weight: bold;
  line-height: 1.4;
}
.line-cta-button:hover { opacity: 0.85; }
.line-cta--compact { padding: 0; }
.line-cta-caution {
  font-size: 12px;
  color: #666;
  margin: 12px 0 0;
  line-height: 1.7;
}
.scene-grid,
.storage-demo-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 20px;
}
.scene-grid img,
.scene-grid video,
.storage-demo-grid img,
.storage-demo-grid video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
.material-item {
  padding: 20px 0;
  border-bottom: 1px solid var(--gray-line);
}
.material-item:last-child { border-bottom: none; }
.material-img,
video.material-img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
  margin-bottom: 12px;
}
.storage-list {
  text-align: left;
  margin: 0;
}
.storage-item {
  padding: 16px 0;
  border-bottom: 1px solid var(--gray-line);
}
.slideshow { margin-bottom: 12px; }
.slideshow-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 3 / 2;
  border-radius: 4px;
  overflow: hidden;
  background: var(--gray-bg);
}
.slideshow-slide {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  opacity: 0;
  transition: opacity 0.6s ease;
}
.slideshow-slide.is-current { opacity: 1; }
.slideshow-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  padding: 0 0 3px;
  border: none;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.82);
  color: var(--ink);
  font-size: 22px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.16);
  z-index: 2;
}
.slideshow-arrow--prev { left: 8px; }
.slideshow-arrow--next { right: 8px; }
.slideshow-arrow:hover { background: #fff; }
.slideshow-dots {
  display: flex;
  justify-content: center;
  gap: 2px;
  margin-top: 6px;
}
.slideshow-dot {
  width: 24px;
  height: 24px;
  padding: 0;
  border: none;
  background: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}
.slideshow-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #ccc;
  transition: background 0.2s ease;
}
.slideshow-dot[aria-current="true"]::before { background: var(--ink); }
.storage-item:first-child { padding-top: 0; }
.storage-item:last-child { border-bottom: none; padding-bottom: 0; }
.storage-name {
  font-size: 15px;
  font-weight: bold;
  margin: 0;
}
.color-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.color-grid figure { margin: 0; }
.color-card img,
.color-card video {
  display: block;
  width: 100%;
  height: auto;
  border-radius: 6px;
}
.color-card figcaption {
  margin-top: 6px;
  font-size: 13px;
}
.block--concept .block-lead {
  text-align: left;
  max-width: 480px;
  margin: 0 0 16px;
}
.cta-block { padding-bottom: 60px; }
@media (min-width: 480px) {
  .fv-copy { font-size: 26px; }
}