/* ============================================================
   Tektome — AI BIM Checker page
   Section 1: Hero. Two columns — product video on the left,
   copy + CTAs on the right. Light mode, brand tokens only.
   Loaded after nav.css / button.css.
   ============================================================ */

.bim-page {
  flex: 1;
  background: var(--color-draft-white);
  font-family: var(--font-sans);
  color: var(--fg-primary);
}

/* ===================== HERO ===================== */
.bim-hero {
  background: var(--color-draft-white);
}
.bim-hero__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: clamp(48px, 6vw, 88px) 40px clamp(56px, 7vw, 96px);
  display: grid;
  grid-template-columns: minmax(0, 0.98fr) minmax(0, 1.02fr);
  align-items: center;
  gap: clamp(40px, 5vw, 72px);
}

/* ---- Video panel (right) — blends into the page (no shadow/border/fill) ---- */
.bim-hero__media {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: transparent;
  border: none;
  aspect-ratio: 1130 / 1080;
}
.bim-hero__video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: center center;
  will-change: transform;
}

/* ---- Copy (right) ---- */
.bim-hero__copy {
  max-width: 600px;
}

/* Badge row */
.bim-hero__badges {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 26px;
}
.bim-badge {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  height: 34px;
  padding: 0 16px;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}
.bim-badge--primary {
  background: var(--purple-50);
  color: var(--color-arch-purple);
}
.bim-badge--primary .bim-badge__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-arch-purple);
}
.bim-badge--muted {
  background: var(--gray-100);
  color: var(--fg-tertiary);
  letter-spacing: 0.16em;
}

/* Headline — Tektome signature Light (300) display type */
.bim-hero__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(40px, 4.6vw, 60px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-hero__title .accent { color: var(--color-arch-purple); }

/* Lede */
.bim-hero__lede {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-secondary);
  margin: 24px 0 0;
  max-width: 46ch;
  text-wrap: pretty;
}

/* Actions — use the shared .tk-btn component (6px radius) */
.bim-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 38px;
}

/* ---- Responsive ---- */
@media (max-width: 960px) {
  .bim-hero__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .bim-hero__copy { max-width: none; order: 1; }
  .bim-hero__media { order: 2; }
  .bim-hero__lede { max-width: 60ch; }
}
@media (max-width: 560px) {
  .bim-hero__inner { padding: 40px 24px 56px; }
  .bim-hero__title { font-size: 34px; }
  .bim-hero__actions { gap: 12px; }
}

/* ===================== 2. PAIN POINTS ===================== */
.bim-pain {
  background: var(--color-draft-white);
  padding: clamp(64px, 8vw, 104px) 0;
  --bim-icon-size: 64px;
  --bim-icon-x: 0px;
  --bim-icon-y: 0px;
  /* Hidden by default; the "Show section" Tweak reveals it. */
  display: none;
}
.bim-pain[data-layout="b"] { --bim-icon-size: 52px; }
.bim-pain__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}

/* Header */
.bim-pain__head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(48px, 5vw, 72px);
}
.bim-pain__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-pain__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-pain__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Grid */
.bim-pain__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  align-items: start;
}

/* Card color style — defaults; overridden by the Tweaks panel */
.bim-pain {
  --bim-card-bg: var(--bg-surface);
  --bim-card-border: var(--purple-200);
  --bim-card-title: var(--color-data-black);
  --bim-card-desc: var(--fg-tertiary);
  --bim-card-label-bg: var(--purple-50);
  --bim-card-label-border: var(--purple-200);
  --bim-card-label-fg: var(--color-arch-purple);
}

/* Card */
.bim-pcard {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: start;
  gap: 20px;
  background: var(--bim-card-bg);
  border: 1px solid var(--bim-card-border);
  border-radius: var(--radius-lg);
  padding: 24px 26px;
  cursor: pointer;
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}
/* Clickable affordance */
.bim-pcard:hover {
  border-color: var(--bim-card-border-hover, var(--purple-400));
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.bim-pcard:active { transform: translateY(0); }
.bim-pcard:focus-visible {
  outline: none;
  border-color: var(--bim-card-border-hover, var(--color-arch-purple));
  box-shadow: var(--shadow-focus);
}
.bim-pcard__icon {
  width: var(--bim-icon-size);
  height: var(--bim-icon-size);
  flex-shrink: 0;
  transform: translate(var(--bim-icon-x), var(--bim-icon-y));
}
.bim-pcard__icon img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
.bim-pcard__label {
  display: inline-flex;
  align-items: center;
  height: 26px;
  padding: 0 13px;
  border-radius: var(--radius-pill);
  background: var(--bim-card-label-bg);
  border: 1px solid var(--bim-card-label-border);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bim-card-label-fg);
  margin-bottom: 11px;
  white-space: nowrap;
}
.bim-pcard__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: 16px;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--bim-card-title);
  margin: 0;
  padding-right: 18px;
  text-wrap: pretty;
}
/* Description is hidden by default, revealed when the card is clicked */
.bim-pcard__desc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--bim-card-desc);
  margin: 0;
  text-wrap: pretty;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  transition:
    max-height var(--duration-base) var(--ease-out),
    opacity var(--duration-base) var(--ease-out),
    margin-top var(--duration-base) var(--ease-out);
}
.bim-pcard.is-open .bim-pcard__desc {
  max-height: 220px;
  opacity: 1;
  margin-top: 9px;
}

/* ---- Layout presets (driven by the Tweaks panel) ---- */
/* a = 2 columns, icon left (default, defined above) */

/* b = 3 columns, icon to the left of the title */
.bim-pain[data-layout="b"] .bim-pain__grid {
  grid-template-columns: repeat(3, 1fr);
}
.bim-pain[data-layout="b"] .bim-pcard {
  gap: 14px;
  padding: 22px 22px;
}

/* c = single column list, icon left */
.bim-pain[data-layout="c"] .bim-pain__grid {
  grid-template-columns: 1fr;
}
.bim-pain[data-layout="c"] .bim-pcard {
  gap: 24px;
  align-items: center;
}

/* Responsive */
@media (max-width: 880px) {
  .bim-pain__grid,
  .bim-pain[data-layout="b"] .bim-pain__grid,
  .bim-pain[data-layout="c"] .bim-pain__grid { grid-template-columns: 1fr; gap: 14px; }
}
@media (max-width: 560px) {
  .bim-pain { padding: 56px 0; }
  .bim-pain__inner { padding: 0 24px; }
  .bim-pcard {
    grid-template-columns: 1fr;
    gap: 18px;
    padding: 28px 26px;
  }
  .bim-pcard__icon { width: 76px; height: 76px; }
  .bim-pain__sub { font-size: 16px; }
}

/* ===================== 3. HOW IT WORKS ===================== */
.bim-how {
  background: var(--bim-how-bg, radial-gradient(125% 78% at 50% 0%, var(--purple-50) 0%, rgba(236,236,252,0) 62%), var(--color-draft-white));
  padding: clamp(64px, 8vw, 104px) 0;

  /* Baked-in default (formerly the "Catalogue gradient" Tweak): the
     step cards use the mega-menu gradient with its diagonal sheen.
     Defined here as defaults so the look ships without JS — the Tweak
     panel can still override these per-session. */
  --bim-step-bg: linear-gradient(115deg, #5156DB 0%, #8A8DE8 52%, #AAA6F0 100%);
  --bim-step-border: transparent;
  --bim-step-title: var(--color-draft-white);
  --bim-step-desc: rgba(255,255,255,0.88);
  --bim-step-num-bg: var(--color-draft-white);
  --bim-step-num-fg: var(--color-arch-purple);
  --bim-chip-bg: rgba(255,255,255,0.18);
  --bim-chip-border: rgba(255,255,255,0.35);
  --bim-chip-fg: var(--color-draft-white);
}
.bim-how__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}

/* Header */
.bim-how__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(48px, 5vw, 72px);
}
.bim-how__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-how__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-how__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Grid of 3 steps */
.bim-how__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  align-items: stretch;
}

/* Step card */
.bim-step {
  display: flex;
  flex-direction: column;
  /* min-width:0 keeps the three 1fr columns equal — without it the step 3
     reuse diagram's intrinsic width blows out its column. */
  min-width: 0;
  background: var(--bim-step-bg, var(--bg-surface));
  border: 1px solid var(--bim-step-border, var(--purple-200));
  border-radius: var(--radius-xl);
  padding: 22px;
}

/* Visual panel at the top of each card — fixed height so the
   header rows align across all three cards. 300px clears the
   tallest inner visual (the BIM model ≈300px). */
.bim-step__visual {
  position: relative;
  height: 300px;
  flex: 0 0 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

/* Step number badge */
/* Inline header: number badge in front of the title */
.bim-step__head {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.bim-step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--bim-step-num-bg, var(--color-arch-purple));
  color: var(--bim-step-num-fg, var(--color-draft-white));
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  flex: 0 0 auto;
}
.bim-step__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: 21px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--bim-step-title, var(--color-data-black));
  margin: 0;
}
.bim-step__desc {
  font-size: 14px;
  line-height: 1.55;
  color: var(--bim-step-desc, var(--fg-tertiary));
  margin: 0;
  text-wrap: pretty;
}

/* ---- Step 01 — prompt input mock ---- */
.bim-prompt {
  width: 100%;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 22px;
}
.bim-prompt__hex {
  width: 26px;
  height: 26px;
  display: block;
  margin-bottom: 16px;
  color: var(--color-arch-purple);
}
.bim-prompt__field {
  background: var(--gray-100);
  border-radius: var(--radius-md);
  padding: 16px 18px;
  font-size: 14.5px;
  line-height: 1.5;
  color: var(--fg-secondary);
  margin-bottom: 18px;
  text-wrap: pretty;
}
.bim-prompt__actions {
  display: flex;
  justify-content: flex-end;
}
.bim-prompt__btn {
  display: inline-flex;
  align-items: center;
  height: 40px;
  padding: 0 22px;
  border-radius: var(--radius-md);
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  font-size: 14px;
  font-weight: var(--fw-medium);
  border: none;
}

/* ---- Step 02 — BIM model + result badges ---- */
.bim-model {
  position: relative;
  width: 100%;
  height: 100%;
}
.bim-model__img {
  display: block;
  height: 100%;
  width: auto;
  max-width: 100%;
  margin: 0 auto;
  object-fit: contain;
  border-radius: var(--radius-lg);
}
.bim-results {
  position: absolute;
  right: -4px;
  top: 50%;
  transform: translateY(-30%);
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 64%;
  max-width: 270px;
}
.bim-result {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  font-size: 13.5px;
  font-weight: var(--fw-medium);
  color: var(--color-data-black);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-subtle);
}
.bim-result__icon {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
}
.bim-result__sub {
  display: block;
  font-size: 11px;
  font-weight: var(--fw-regular);
  color: var(--fg-tertiary);
  margin-top: 1px;
}
.bim-result--ok { background: var(--state-success-bg); border-color: transparent; }
.bim-result--ok .bim-result__icon { color: var(--state-success-fg); }
.bim-result--err { background: var(--state-error-bg); border-color: transparent; }
.bim-result--err .bim-result__icon { color: var(--state-error-fg); }
.bim-result--info { background: var(--state-warning-bg); border-color: transparent; }
.bim-result--info .bim-result__icon { color: var(--state-warning-fg); }

/* Capability chips below the description */
.bim-step__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}
.bim-chip {
  display: inline-flex;
  align-items: center;
  height: 30px;
  padding: 0 14px;
  border-radius: var(--radius-pill);
  background: var(--bim-chip-bg, var(--purple-50));
  border: 1px solid var(--bim-chip-border, var(--purple-200));
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--bim-chip-fg, var(--color-arch-purple));
}

/* ---- Step 03 — templates + projects diagram ---- */
.bim-reuse {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bim-reuse__templates {
  display: flex;
  flex-direction: column;
  gap: 12px;
  width: 100%;
}
.bim-template {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
}
.bim-template__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: var(--radius-sm);
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  flex: 0 0 auto;
}
.bim-template__label {
  font-size: 14px;
  font-weight: var(--fw-medium);
  color: var(--fg-primary);
}
.bim-reuse__projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
.bim-project {
  position: relative;
  aspect-ratio: 7 / 5;
  border-radius: var(--radius-md);
  background: var(--color-sky-200);
  display: flex;
  align-items: flex-end;
  padding: 12px;
}
.bim-project::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 44%;
  height: 16px;
  background: var(--color-sky-200);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  transform: translateY(-11px);
}
.bim-project__label {
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.04em;
  color: var(--purple-800);
}
.bim-reuse__connector {
  height: 44px;
  margin: 2px 0 0;
}
.bim-reuse__connector svg {
  display: block;
  width: 100%;
  height: 100%;
}

/* Responsive */
@media (max-width: 960px) {
  .bim-how__grid { grid-template-columns: 1fr; gap: 20px; max-width: 560px; margin: 0 auto; }
  .bim-step__visual { height: auto; flex: 0 0 auto; min-height: 260px; }
  .bim-model { min-height: 280px; }
  /* Anchor the result badges to the bottom-right of the model image so
     they stay on the image instead of spilling onto the text below. */
  .bim-results {
    top: auto;
    bottom: 12px;
    right: 12px;
    transform: none;
    width: min(70%, 250px);
  }
}
@media (max-width: 560px) {
  .bim-how { padding: 56px 0; }
  .bim-how__inner { padding: 0 24px; }
  .bim-step { padding: 26px 22px; }
  .bim-how__sub { font-size: 16px; }
  .bim-results { bottom: 10px; right: 10px; width: min(82%, 240px); }
}

/* ===================== STEP VISUAL ANIMATIONS ===================== */

/* --- Step 01: typewriter caret --- */
.bim-prompt__field { position: relative; }
.bim-caret {
  display: none;
  width: 2px;
  height: 1.05em;
  background: var(--color-arch-purple);
  margin-left: 1px;
  vertical-align: -2px;
}
.bim-step[data-step="1"].is-typing .bim-caret {
  display: inline-block;
  animation: bim-blink 1s steps(1) infinite;
}
@keyframes bim-blink { 0%,50% { opacity: 1; } 50.01%,100% { opacity: 0; } }

/* --- Step 02: results shown from the start (matches the use-cases visuals) --- */
.bim-result {
  opacity: 1;
  transform: none;
}

/* --- Step 03: templates + folders shown from the start (no staggered reveal) --- */
.bim-template, .bim-project {
  opacity: 1;
  transform: none;
}
/* The dashed connector is shown from the start */
.bim-reuse__connector {
  opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
  .bim-caret { display: none !important; }
  .bim-result, .bim-template, .bim-project, .bim-reuse__connector {
    opacity: 1 !important; transform: none !important; transition: none !important;
  }
}

/* ===================== 4. COMPARISON ===================== */
.bim-compare {
  background: var(--color-draft-white);
  padding: clamp(64px, 8vw, 104px) 0;
}
.bim-compare__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.bim-compare__head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto clamp(40px, 5vw, 64px);
}
.bim-compare__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-compare__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-compare__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Table shell: three aligned columns; the middle (Tektome) column is a
   raised purple panel. Fixed row heights keep all three columns in sync. */
.bim-compare__table {
  border: none;
  border-radius: var(--radius-xl);
  padding: 16px;
  display: grid;
  grid-template-columns: 1fr 1.5fr 1.5fr;
  align-items: start;
}
.bim-compare__col {
  display: flex;
  flex-direction: column;
}
/* Middle column = highlighted panel */
.bim-compare__col--tek {
  background: var(--purple-50);
  border: 1px solid var(--purple-300);
  border-radius: var(--radius-lg);
  padding: 0 8px 8px;
}

/* Headers — same height across columns so rows below line up */
.bim-compare__colhead {
  height: 112px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 22px;
}
.bim-compare__col--tek .bim-compare__colhead { padding: 0 18px; }
.bim-compare__brand {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 12px;
}
.bim-compare__brand img { height: 22px; width: auto; display: block; }
.bim-compare__coltitle {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: 22px;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 0;
}
.bim-compare__col--existing .bim-compare__coltitle { color: var(--fg-secondary); }

/* Rows */
.bim-compare__cell {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 56px;
  padding: 0 22px;
  font-size: 15px;
  line-height: 1.35;
  border-top: 1px solid var(--border-subtle);
}
.bim-compare__col--tek .bim-compare__cell {
  padding: 0 18px;
  border-top-color: var(--purple-200);
  color: var(--color-data-black);
}
.bim-compare__col--tek .bim-compare__cell:first-of-type { border-top: none; }
.bim-compare__col--existing .bim-compare__cell { color: var(--color-data-black); }
.bim-compare__col--labels .bim-compare__cell {
  color: var(--fg-secondary);
  font-weight: var(--fw-medium);
}

.bim-compare__icon { flex: 0 0 auto; width: 22px; height: 22px; }
.bim-compare__icon--check { color: var(--color-arch-purple); }
.bim-compare__icon--none { color: var(--gray-400); }

/* Responsive: drop the shared label column, stack Tektome over Existing,
   each cell carries its own inline label. */
@media (max-width: 860px) {
  .bim-compare__table { grid-template-columns: 1fr; gap: 16px; }
  .bim-compare__col--labels { display: none; }
  /* Drop the panel's side padding when stacked so the AI BIM Checker cells
     sit at the same 18px inset as the 従来のチェック手法 column (which has no
     panel). Keep the bottom padding for the panel's breathing room. */
  .bim-compare__col--tek { padding: 0 0 12px; }
  .bim-compare__colhead { height: auto; padding: 24px 20px 16px; }
  /* Match the AI BIM Checker header padding to the other columns when stacked
     (the desktop tek override otherwise wins on specificity and zeroes the top). */
  .bim-compare__col--tek .bim-compare__colhead { padding: 24px 20px 16px; }
  .bim-compare__cell { height: auto; min-height: 52px; padding: 12px 18px; }
  .bim-compare__cell::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--fg-tertiary);
    width: 110px;
    flex: 0 0 auto;
  }
}
@media (max-width: 560px) {
  .bim-compare { padding: 56px 0; }
  .bim-compare__inner { padding: 0 20px; }
  .bim-compare__sub { font-size: 16px; }
}

/* ===================== 4.5 STRENGTHS / TIME SAVINGS ===================== */
.bim-strength {
  background: var(--color-draft-white);
  padding: clamp(64px, 8vw, 104px) 0;
}
.bim-strength__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}

/* Header */
.bim-strength__head {
  text-align: center;
  max-width: 880px;
  margin: 0 auto clamp(40px, 4.5vw, 60px);
}
.bim-strength__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-strength__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-strength__sub {
  font-size: 17px;
  line-height: 1.7;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Allocation panel */
.bim-strength__panel {
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: var(--color-draft-white);
}
.bim-strength__panel-head {
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  text-align: center;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  padding: 16px 24px;
}
.bim-strength__panel-body {
  padding: clamp(28px, 3.5vw, 48px);
}

/* Stacked allocation bars */
.bim-alloc {
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.bim-alloc__row {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 18px 20px;
  border-radius: var(--radius-lg);
  background: var(--color-light-gray);
}
.bim-alloc__row--tek {
  background: var(--purple-50);
}
.bim-alloc__name {
  flex: 0 0 132px;
  font-size: 14px;
  font-weight: var(--fw-semibold);
  color: var(--color-data-black);
  line-height: 1.4;
}
.bim-alloc__row--tek .bim-alloc__name {
  color: var(--color-arch-purple);
}
.bim-alloc__track {
  flex: 1 1 auto;
  display: flex;
  align-items: stretch;
  gap: 4px;
  min-width: 0;
}
.bim-alloc__seg {
  display: flex;
  align-items: center;
  padding: 0 16px;
  min-height: 62px;
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  line-height: 1.3;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  /* flex-basis:0 so the inline flex-grow (hour count) alone sets width —
     keeps both rows on a shared 7-unit grid and segments aligned. */
  flex-basis: 0;
  flex-shrink: 1;
  min-width: 0;
}
.bim-alloc__seg--routine {
  background: var(--color-taro);
  color: var(--color-data-black);
}
.bim-alloc__seg--risk {
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
}
.bim-alloc__seg--free {
  background: var(--color-draft-white);
  border: 1.5px dashed var(--color-arch-purple);
  color: var(--color-arch-purple);
}

/* Legend */
.bim-alloc__legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 28px;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
}
.bim-alloc__legend-item {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 13.5px;
  color: var(--fg-secondary);
}
.bim-alloc__swatch {
  width: 16px;
  height: 16px;
  border-radius: 4px;
  flex: 0 0 auto;
}
.bim-alloc__swatch--routine { background: var(--color-taro); }
.bim-alloc__swatch--risk { background: var(--color-arch-purple); }
.bim-alloc__swatch--free {
  background: var(--color-draft-white);
  border: 1.5px dashed var(--color-arch-purple);
}

/* Stat callouts */
.bim-strength__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-top: 24px;
}
.bim-strength__stat {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 22px 26px;
  border: 1px solid var(--purple-100);
  border-radius: var(--radius-lg);
  background: var(--purple-50);
}
.bim-strength__stat-badge {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 60px;
  height: 66px;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  background: var(--color-lavender);
  color: var(--color-arch-purple);
  font-family: var(--font-mono);
  font-size: 21px;
  font-weight: var(--fw-bold);
  letter-spacing: -0.02em;
}
.bim-strength__stat-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.55;
  color: var(--color-data-black);
  text-wrap: pretty;
}

/* Feature cards grid */
.bim-strength__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
  margin-top: 28px;
}
.bim-feat {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 36px 30px;
  background: var(--color-draft-white);
  border: 1px solid var(--purple-100);
  border-radius: var(--radius-lg);
}
.bim-feat__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 76px;
  height: 84px;
  margin-bottom: 22px;
  clip-path: polygon(25% 0%, 75% 0%, 100% 50%, 75% 100%, 25% 100%, 0% 50%);
  background: var(--purple-50);
  color: var(--color-arch-purple);
}
.bim-feat__icon svg { width: 34px; height: 34px; }
.bim-feat__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 18px;
  line-height: 1.4;
  color: var(--color-data-black);
  margin: 0 0 12px;
  text-wrap: balance;
}
.bim-feat__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--fg-tertiary);
  margin: 0;
  text-wrap: pretty;
}

@media (max-width: 980px) {
  .bim-strength__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 680px) {
  .bim-strength__inner { padding: 0 20px; }
  .bim-strength__panel-body { padding: 22px 16px; }
  .bim-alloc__row { flex-direction: column; align-items: stretch; gap: 12px; }
  .bim-alloc__name { flex-basis: auto; }
  .bim-alloc__seg { padding: 0 10px; min-height: 54px; font-size: 12px; }
  .bim-strength__stats { grid-template-columns: 1fr; }
  .bim-strength__grid { grid-template-columns: 1fr; }
}

/* ===================== 5. USE CASES (tabbed) ===================== */
.bim-uc {
  background: var(--bim-uc-bg, radial-gradient(125% 78% at 50% 0%, var(--purple-50) 0%, rgba(236,236,252,0) 62%), var(--color-draft-white));
  padding: clamp(64px, 8vw, 104px) 0;
}
.bim-uc__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.bim-uc__head {
  text-align: center;
  max-width: 820px;
  margin: 0 auto 40px;
}
.bim-uc__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-uc__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-uc__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Tab bar */
.bim-uc__tabs {
  display: flex;
  justify-content: center;
  gap: 4px;
  margin: 0 auto clamp(40px, 5vw, 56px);
  padding: 5px;
  background: var(--color-draft-white);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-pill);
  width: fit-content;
  max-width: 100%;
  flex-wrap: wrap;
}
.bim-uc__tab {
  appearance: none;
  border: none;
  background: transparent;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  padding: 11px 22px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out);
}
.bim-uc__tab:hover { color: var(--fg-secondary); }
.bim-uc__tab[aria-selected="true"] {
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
}
.bim-uc__tab:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* Panels — all stacked in one grid cell so the section always sizes to
   the TALLEST tab; switching tabs only toggles visibility, so the
   vertical height stays constant regardless of which tab is active. */
.bim-uc__panels {
  display: grid;
}
.bim-uc__panel {
  grid-area: 1 / 1;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
}
.bim-uc__panel.is-active {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

/* Panel transition effects (driven by the Tweaks panel) */
.bim-uc__panels[data-uc-transition="fade"] .bim-uc__panel.is-active {
  animation: bim-uc-fade var(--duration-slow) var(--ease-out);
}
.bim-uc__panels[data-uc-transition="slide"] .bim-uc__panel.is-active {
  animation: bim-uc-slide var(--duration-slow) var(--ease-out);
}
@keyframes bim-uc-fade { from { opacity: 0; } to { opacity: 1; } }
@keyframes bim-uc-slide {
  from { opacity: 0; transform: translateX(18px); }
  to { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .bim-uc__panels .bim-uc__panel.is-active { animation: none !important; }
}

/* Cards grid */
.bim-uc__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.bim-uc-card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  overflow: hidden;
  cursor: default;
  transition:
    border-color var(--duration-base) var(--ease-out),
    box-shadow var(--duration-base) var(--ease-out),
    transform var(--duration-base) var(--ease-out);
}
.bim-uc-card:hover {
  border-color: var(--border-subtle);
}
.bim-uc-card:focus-visible {
  outline: none;
  border-color: var(--color-arch-purple);
  box-shadow: var(--shadow-focus);
}
/* Expand affordance, top-right of the media */
.bim-uc-card__expand {
  position: absolute;
  top: 12px;
  right: 12px;
  width: 30px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--border-subtle);
  color: var(--color-arch-purple);
  opacity: 0;
  transition: opacity var(--duration-fast) var(--ease-out);
}
.bim-uc-card__expand svg { width: 15px; height: 15px; }
.bim-uc-card:hover .bim-uc-card__expand,
.bim-uc-card:focus-visible .bim-uc-card__expand { opacity: 1; }
.bim-uc-card__media {
  position: relative;
  aspect-ratio: 356 / 223;
  background: var(--color-draft-white);
  border-bottom: 1px solid var(--border-subtle);
}
.bim-uc-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}
/* Badge stack overlaid bottom-right of the render */
.bim-uc-badges {
  position: absolute;
  right: 14px;
  bottom: 14px;
  display: grid;
  justify-items: stretch;
  gap: 7px;
  max-width: 78%;
}
.bim-uc-badge {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 7px 11px;
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  font-size: 12px;
  font-weight: var(--fw-semibold);
  line-height: 1.3;
  color: var(--color-data-black);
  text-align: left;
}
.bim-uc-badge__ic { flex: 0 0 auto; width: 15px; height: 15px; margin-top: 0.5px; }
.bim-uc-badge__dot { flex: 0 0 auto; width: 9px; height: 9px; border-radius: 50%; margin-top: 3px; }
.bim-uc-badge small { display: block; font-weight: var(--fw-regular); font-size: 10.5px; color: var(--fg-tertiary); margin-top: 1px; }
/* Semantic badge variants */
.bim-uc-badge--ok  { background: var(--state-success-bg); border-color: transparent; }
.bim-uc-badge--ok  .bim-uc-badge__ic { color: var(--state-success-fg); }
.bim-uc-badge--err { background: var(--state-error-bg);   border-color: transparent; }
.bim-uc-badge--err .bim-uc-badge__ic { color: var(--state-error-fg); }
.bim-uc-badge--warn{ background: var(--state-warning-bg); border-color: transparent; }
.bim-uc-badge--warn .bim-uc-badge__ic { color: var(--state-warning-fg); }
.bim-uc-badge--info{ background: var(--purple-50); border-color: var(--purple-100); }
.bim-uc-badge--info .bim-uc-badge__ic { color: var(--color-arch-purple); }

/* Card body */
.bim-uc-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 22px 24px 24px;
}
.bim-uc-card__kicker {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 10px;
}
.bim-uc-card__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 19px;
  line-height: 1.28;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.bim-uc-card__desc {
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 0 0 18px;
  text-wrap: pretty;
}
.bim-uc-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}
.bim-uc-tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  background: var(--purple-50);
  border: 1px solid var(--purple-100);
  font-family: var(--font-mono);
  font-size: 10.5px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
}

/* Responsive */
@media (max-width: 980px) {
  .bim-uc__grid { grid-template-columns: 1fr; max-width: 480px; margin: 0 auto; }
}
@media (max-width: 560px) {
  .bim-uc { padding: 56px 0; }
  .bim-uc__inner { padding: 0 20px; }
  .bim-uc__sub { font-size: 16px; }
  .bim-uc__tab { padding: 10px 14px; font-size: 11px; }
}

/* ===================== 6. TRANSPARENCY ===================== */
.bim-trans {
  background: var(--color-draft-white);
  padding: clamp(64px, 8vw, 104px) 0;
}
.bim-trans__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.bim-trans__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(40px, 5vw, 60px);
}
.bim-trans__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 22px;
}
.bim-trans__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(34px, 4vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-trans__sub {
  font-size: 18px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 22px 0 0;
  text-wrap: pretty;
}

/* Two feature cards */
.bim-trans__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}
.bim-trans__card {
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  padding: 36px;
}
.bim-trans__ctitle {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: 23px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 0 0 12px;
  text-wrap: pretty;
}
.bim-trans__cdesc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 0 0 28px;
  text-wrap: pretty;
}
.bim-trans__visual {
  margin-top: auto;
}

/* ---- Left card: prompt + approval flow ---- */
.bim-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 14px;
}
.bim-flow__arrow {
  color: var(--purple-300);
  flex: 0 0 auto;
}
.bim-flow__arrow svg { width: 20px; height: 20px; display: block; }
.bim-flowcol {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.bim-flow__step {
  display: flex;
  align-items: center;
  gap: 11px;
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  padding: 11px 14px;
  font-size: 13.5px;
  font-weight: var(--fw-medium);
  color: var(--fg-primary);
}
.bim-flow__key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-sm);
  background: var(--purple-100);
  color: var(--color-arch-purple);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  flex: 0 0 auto;
}
.bim-flow__run {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  margin-top: 4px;
  border-radius: var(--radius-md);
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  font-size: 14px;
  font-weight: var(--fw-medium);
  border: none;
}

/* ---- Right card: model + results + audit panel ---- */
.bim-trans__result {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: 18px;
  align-items: stretch;
}
.bim-trans__model {
  position: relative;
  min-width: 0;
  display: flex;
  flex-direction: column;
}
.bim-trans__model > img {
  display: block;
  width: 100%;
  max-width: none;
  height: auto;
  border-radius: var(--radius-lg);
}
.bim-trans__badges {
  position: static;
  display: grid;
  justify-items: stretch;
  justify-content: start;
  gap: 8px;
  width: 100%;
  margin-top: auto;
  padding-top: 18px;
}
.bim-badge-pill {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 12px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  box-shadow: var(--shadow-sm);
  font-size: 12px;
  font-weight: var(--fw-medium);
  color: var(--color-data-black);
  line-height: 1.25;
  width: auto;
  max-width: 100%;
  white-space: nowrap;
}
.bim-badge-pill__ic { flex: 0 0 auto; width: 16px; height: 16px; }
.bim-badge-pill__sub {
  display: block;
  font-size: 10px;
  font-weight: var(--fw-regular);
  color: var(--fg-tertiary);
}
.bim-badge-pill--ok { background: var(--state-success-bg); }
.bim-badge-pill--ok .bim-badge-pill__ic { color: var(--state-success-fg); }
.bim-badge-pill--warn { background: var(--state-warning-bg); }
.bim-badge-pill--warn .bim-badge-pill__ic { color: var(--state-warning-fg); }
.bim-badge-pill--info { background: var(--bg-surface); }
.bim-badge-pill--info .bim-badge-pill__ic { color: var(--color-arch-purple); }

/* Audit step panel — lavender container holding white rows */
.bim-audit {
  min-width: 0;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-lg);
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.bim-audit__row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 9px 13px;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-xs);
  font-size: 13px;
  font-weight: var(--fw-medium);
  color: var(--fg-primary);
}
.bim-audit__row--active {
  background: var(--bg-surface);
  border: 1px solid var(--color-arch-purple);
  box-shadow: 0 0 0 2px rgba(81,86,219,0.10);
}
.bim-audit__row--muted {
  color: var(--fg-tertiary);
  background: var(--gray-50);
  box-shadow: none;
}
.bim-audit__key {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: var(--radius-sm);
  background: var(--purple-100);
  color: var(--color-arch-purple);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: var(--fw-semibold);
  flex: 0 0 auto;
}
.bim-audit__row--muted .bim-audit__key { background: var(--gray-200); color: var(--gray-500); }
.bim-audit__row { min-width: 0; }
.bim-audit__label { flex: 1; min-width: 0; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.bim-audit__status {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 9px;
  letter-spacing: 0;
  white-space: nowrap;
  flex: 0 0 auto;
}
.bim-audit__status--done { color: var(--state-success-fg); }
.bim-audit__status--likely { color: var(--color-arch-purple); }
.bim-audit__status--pending { color: var(--state-warning-fg); }
.bim-audit__detail {
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xs);
  padding: 12px 13px;
}
.bim-audit__detail-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
}
.bim-audit__detail-title {
  font-size: 12.5px;
  font-weight: var(--fw-semibold);
  color: var(--color-data-black);
  white-space: nowrap;
}
.bim-audit__detail-text {
  font-size: 11.5px;
  line-height: 1.5;
  color: var(--fg-secondary);
  margin: 0 0 10px;
}
.bim-audit__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.bim-audit__tag {
  font-family: var(--font-mono);
  font-size: 10px;
  padding: 3px 8px;
  border-radius: var(--radius-sm);
  background: var(--gray-100);
  color: var(--fg-secondary);
}

/* ---- Bottom lavender band ---- */
.bim-trans__band {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  margin-top: 24px;
  background: var(--purple-50);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  padding: 32px 40px;
}
.bim-trans__feature {
  display: flex;
  align-items: flex-start;
  gap: 18px;
  padding: 4px 36px;
}
.bim-trans__feature:first-child { border-right: 1px solid var(--purple-200); padding-left: 0; }
.bim-trans__feature:last-child { padding-right: 0; }
.bim-trans__hex {
  flex: 0 0 auto;
  width: 46px;
  height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--purple-100);
  color: var(--color-arch-purple);
  clip-path: polygon(50% 0%, 93% 25%, 93% 75%, 50% 100%, 7% 75%, 7% 25%);
}
.bim-trans__hex svg { width: 20px; height: 20px; }
.bim-trans__ftitle {
  font-family: var(--font-sans);
  font-weight: var(--fw-semibold);
  font-size: 16px;
  color: var(--color-data-black);
  margin: 2px 0 8px;
}
.bim-trans__fdesc {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg-tertiary);
  margin: 0;
  text-wrap: pretty;
}

/* Responsive */
@media (max-width: 980px) {
  .bim-trans__cards { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .bim-trans__inner { padding: 0 20px; }
  .bim-trans { padding: 56px 0; }
  .bim-trans__card { padding: 26px 22px; }
  .bim-flow { grid-template-columns: 1fr; }
  .bim-flow__arrow { transform: rotate(90deg); justify-self: center; }
  .bim-trans__result { grid-template-columns: 1fr; }
  .bim-trans__band { grid-template-columns: 1fr; gap: 24px; padding: 26px 22px; }
  .bim-trans__feature { padding: 0 !important; border-right: none !important; }
  .bim-trans__sub { font-size: 16px; }
}

/* ===================== USE-CASE DETAIL MODAL ===================== */
.bim-uc-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
  opacity: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}
.bim-uc-modal.is-open { opacity: 1; }
.bim-uc-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(40, 41, 48, 0.45);
  backdrop-filter: blur(3px);
}
.bim-uc-modal__dialog {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.25fr 1fr;
  width: min(1040px, 100%);
  max-height: 88vh;
  background: var(--bg-surface);
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  transform: translateY(8px) scale(0.99);
  transition: transform var(--duration-base) var(--ease-out);
}
.bim-uc-modal.is-open .bim-uc-modal__dialog { transform: none; }
.bim-uc-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 3;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  color: var(--fg-secondary);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.bim-uc-modal__close:hover { background: var(--gray-100); color: var(--color-data-black); }
.bim-uc-modal__close svg { width: 18px; height: 18px; }
.bim-uc-modal__close:focus-visible { outline: none; box-shadow: var(--shadow-focus); }

/* Larger model render — badges overlaid but with far more room */
.bim-uc-modal__media {
  position: relative;
  background: var(--color-light-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
}
.bim-uc-modal__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-height: 78vh;
  object-fit: contain;
}
.bim-uc-modal__media .bim-uc-badges {
  position: absolute;
  left: 24px;
  bottom: 24px;
  right: 24px;
  max-width: none;
  grid-template-columns: 1fr;
}

/* Info column — full text, scrollable, never over the image */
.bim-uc-modal__info {
  padding: 30px 32px;
  overflow-y: auto;
}
.bim-uc-modal__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-regular);
  font-size: 24px;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 6px 0 12px;
}
.bim-uc-modal__desc {
  font-size: 15px;
  line-height: 1.6;
  color: var(--fg-secondary);
  margin: 0 0 18px;
  text-wrap: pretty;
}
.bim-uc-modal__info .bim-uc-card__tags { margin-bottom: 24px; }
.bim-uc-modal__checks-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg-tertiary);
  margin: 0 0 12px;
  padding-top: 18px;
  border-top: 1px solid var(--border-subtle);
}
.bim-uc-modal__checks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.bim-uc-check {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  font-size: 14px;
  line-height: 1.4;
  color: var(--color-data-black);
}
.bim-uc-check small {
  display: block;
  font-size: 12.5px;
  color: var(--fg-tertiary);
  margin-top: 2px;
}
.bim-uc-check .bim-uc-badge__dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  flex: 0 0 auto;
  margin-top: 4px;
}
.bim-uc-check__ic { flex: 0 0 auto; display: block; width: 18px; height: 18px; margin-top: 1px; }
.bim-uc-check__ic svg { width: 18px; height: 18px; display: block; }
.bim-uc-check__ic--ok { color: var(--state-success-fg); }
.bim-uc-check__ic--err { color: var(--state-error-fg); }
.bim-uc-check__ic--warn { color: var(--state-warning-fg); }
.bim-uc-check__ic--info { color: var(--color-arch-purple); }

@media (max-width: 820px) {
  .bim-uc-modal { padding: 16px; }
  .bim-uc-modal__dialog {
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr;
    max-height: 92vh;
  }
  .bim-uc-modal__media { padding: 20px; }
  .bim-uc-modal__media img { max-height: 36vh; }
  .bim-uc-modal__media .bim-uc-badges { position: static; margin-top: 14px; left: auto; bottom: auto; right: auto; }
}

/* ===================== 7. FINAL CTA ===================== */
.bim-final {
  padding: clamp(64px, 8vw, 104px) 0;
  background: var(--bim-final-bg, radial-gradient(125% 78% at 50% 0%, var(--purple-50) 0%, rgba(236,236,252,0) 62%), var(--color-draft-white));
}
.bim-final__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.bim-final__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 16px;
}
.bim-final__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(32px, 3.6vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-final__sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 16px 0 0;
  max-width: 44ch;
  text-wrap: pretty;
}
/* The HubSpot embed sets its own height — never constrain it, so the
   same CTA works on any page regardless of the form's length. */
.bim-final__form .hs-form-frame {
  width: 100%;
  min-height: 160px;
}
/* Split-panel CTA with HubSpot embed — tighten padding, match site font. */
#cta.td-ctaA { padding: clamp(36px, 4vw, 56px) 0; }
#cta .td-ctaA__inner { align-items: center; }
#cta .hs-form-frame { width: 100%; min-height: 0; }
#cta .hs-form-frame,
#cta .hs-form-frame :is(input, select, textarea, button, label, legend, p, span, a, h1, h2, h3, h4) {
  font-family: var(--font-sans), "Noto Sans JP", sans-serif !important;
}

/* Native final-CTA form — data-format grid + privacy consent.
   (.td-checks / .td-check-item are defined in test-designs.css.) */
.td-checks__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 16px; }
.td-consent { display: flex; align-items: flex-start; gap: 8px; font-size: 13px; line-height: 1.6; color: var(--fg-secondary); cursor: pointer; }
.td-consent input[type="checkbox"] { width: 18px; height: 18px; min-height: 0; flex: 0 0 auto; margin: 2px 0 0; accent-color: var(--color-arch-purple); cursor: pointer; }
.td-consent a { color: var(--color-arch-purple); text-decoration: underline; }
@media (max-width: 560px) { .td-checks__grid { grid-template-columns: 1fr; } }
.bim-final__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============ Variant A — Split: image left, head + form right ============ */
.bim-final[data-cta-variant="a"] .bim-final__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas: "media head" "media form";
  gap: 0 clamp(32px, 5vw, 72px);
  align-items: start;
}
.bim-final[data-cta-variant="a"] .bim-final__media {
  grid-area: media;
  align-self: stretch;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 420px;
}
.bim-final[data-cta-variant="a"] .bim-final__head { grid-area: head; }
.bim-final[data-cta-variant="a"] .bim-final__form { grid-area: form; margin-top: 26px; }

/* ============ Variant B — Spotlight: purple band, image + white card ====== */
.bim-final[data-cta-variant="b"] { background: var(--bim-final-bg, var(--bg-section-alt)); }
.bim-final[data-cta-variant="b"] .bim-final__inner {
  background: var(--gradient-hero);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: auto 1fr;
  grid-template-areas: "media head" "media form";
  align-items: stretch;
}
.bim-final[data-cta-variant="b"] .bim-final__media { grid-area: media; position: relative; min-height: 100%; }
.bim-final[data-cta-variant="b"] .bim-final__media img {
  position: absolute;
  inset: 0;
  mix-blend-mode: luminosity;
  opacity: 0.92;
}
.bim-final[data-cta-variant="b"] .bim-final__head {
  grid-area: head;
  background: var(--color-draft-white);
  margin: 18px 18px 0 0;
  padding: 30px 30px 0;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.bim-final[data-cta-variant="b"] .bim-final__form {
  grid-area: form;
  background: var(--color-draft-white);
  margin: 0 18px 18px 0;
  padding: 18px 30px 30px;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============ Variant C — Centered: image banner + stacked card =========== */
.bim-final[data-cta-variant="c"] { background: var(--bim-final-bg, var(--bg-section-alt)); }
.bim-final[data-cta-variant="c"] .bim-final__inner {
  max-width: 720px;
  background: var(--color-draft-white);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  overflow: hidden;
  padding: 0;
}
.bim-final[data-cta-variant="c"] .bim-final__media { height: 200px; }
.bim-final[data-cta-variant="c"] .bim-final__head {
  padding: clamp(32px, 4vw, 48px) clamp(32px, 4vw, 52px) 0;
  text-align: center;
}
.bim-final[data-cta-variant="c"] .bim-final__sub { margin-left: auto; margin-right: auto; }
.bim-final[data-cta-variant="c"] .bim-final__form {
  padding: 22px clamp(32px, 4vw, 52px) clamp(32px, 4vw, 52px);
}

/* ============ Variant D — Framed: image + purple caption, raised form ===== */
.bim-final[data-cta-variant="d"] { background: var(--bim-final-bg, var(--bg-section-alt)); }
.bim-final[data-cta-variant="d"] .bim-final__inner {
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  grid-template-rows: auto auto;
  grid-template-areas: "media form" "head form";
  align-items: start;
  gap: 0;
}
.bim-final[data-cta-variant="d"] .bim-final__media {
  grid-area: media;
  height: 300px;
  border-radius: var(--radius-xl) var(--radius-xl) 0 0;
  overflow: hidden;
  margin-top: 44px;
}
.bim-final[data-cta-variant="d"] .bim-final__head {
  grid-area: head;
  background: var(--color-arch-purple);
  color: var(--color-draft-white);
  padding: 36px 40px;
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
}
.bim-final[data-cta-variant="d"] .bim-final__head .bim-final__eyebrow { color: rgba(255,255,255,0.75); }
.bim-final[data-cta-variant="d"] .bim-final__head .bim-final__title { color: var(--color-draft-white); }
.bim-final[data-cta-variant="d"] .bim-final__head .bim-final__sub { display: none; }
.bim-final[data-cta-variant="d"] .bim-final__form {
  grid-area: form;
  background: var(--color-draft-white);
  border: 1px solid var(--purple-200);
  box-shadow: var(--shadow-lg);
  border-radius: var(--radius-xl);
  padding: clamp(28px, 3vw, 44px);
  margin: 0 0 44px -12%;
  z-index: 2;
}

/* ============ Variant E — Overlay: heading over the photo, form beside ==== */
.bim-final[data-cta-variant="e"] .bim-final__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-areas: "media form";
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.bim-final[data-cta-variant="e"] .bim-final__media {
  grid-area: media;
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  min-height: 460px;
  align-self: stretch;
  background: linear-gradient(to top, #4A4FD0 0%, #6E72DD 50%, #AAA6F0 100%);
}
.bim-final[data-cta-variant="e"] .bim-final__media img {
  mix-blend-mode: luminosity;
  opacity: 0.55;
}
.bim-final[data-cta-variant="e"] .bim-final__head {
  grid-area: media;
  position: relative;
  align-self: end;
  z-index: 1;
  padding: 40px;
  text-shadow: 0 1px 12px rgba(40,40,80,0.25);
}
.bim-final[data-cta-variant="e"] .bim-final__head .bim-final__eyebrow { color: rgba(255,255,255,0.8); }
.bim-final[data-cta-variant="e"] .bim-final__head .bim-final__title { color: var(--color-draft-white); }
.bim-final[data-cta-variant="e"] .bim-final__head .bim-final__sub { color: rgba(255,255,255,0.9); }
.bim-final[data-cta-variant="e"] .bim-final__form { grid-area: form; }

/* ---------- Responsive ---------- */
@media (max-width: 860px) {
  .bim-final[data-cta-variant="a"] .bim-final__inner,
  .bim-final[data-cta-variant="b"] .bim-final__inner,
  .bim-final[data-cta-variant="d"] .bim-final__inner,
  .bim-final[data-cta-variant="e"] .bim-final__inner {
    grid-template-columns: 1fr;
    grid-template-areas: "media" "head" "form";
  }
  .bim-final[data-cta-variant="a"] .bim-final__media,
  .bim-final[data-cta-variant="b"] .bim-final__media,
  .bim-final[data-cta-variant="d"] .bim-final__media,
  .bim-final[data-cta-variant="e"] .bim-final__media {
    min-height: 220px;
    height: 220px;
    margin-top: 0;
  }
  .bim-final[data-cta-variant="a"] .bim-final__form { margin-top: 24px; }
  .bim-final[data-cta-variant="b"] .bim-final__head { margin: 14px 14px 0; }
  .bim-final[data-cta-variant="b"] .bim-final__form { margin: 0 14px 14px; }
  .bim-final[data-cta-variant="d"] .bim-final__head { border-radius: 0; }
  .bim-final[data-cta-variant="d"] .bim-final__form { margin: 18px 0 0; }
  .bim-final[data-cta-variant="e"] .bim-final__media::after { background: linear-gradient(to top, rgba(81,86,219,0.88), rgba(81,86,219,0.2)); }
  .bim-final[data-cta-variant="e"] .bim-final__head { padding: 28px; }
}
@media (max-width: 560px) {
  .bim-final__inner { padding-left: 20px; padding-right: 20px; }
  .bim-final[data-cta-variant="b"] .bim-final__inner,
  .bim-final[data-cta-variant="c"] .bim-final__inner { padding-left: 0; padding-right: 0; }
}

/* ===================== 6.2 RELATED SOLUTIONS (関連ソリューション) ===================== */
.bim-relsol {
  background: var(--bg-section-alt);
  padding: clamp(56px, 7vw, 96px) 0 40px;
}
.bim-relsol__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.bim-relsol__head {
  text-align: center;
  max-width: 760px;
  margin: 0 auto clamp(36px, 4vw, 52px);
}
.bim-relsol__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 20px;
}
.bim-relsol__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.15;
  letter-spacing: -0.02em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.bim-relsol__sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-tertiary);
  margin: 18px auto 0;
  max-width: 60ch;
  text-wrap: pretty;
}
.bim-relsol__cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  align-items: stretch;
}
.bim-relsol__card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  background: var(--bg-surface);
  border: 1px solid var(--purple-200);
  border-radius: var(--radius-xl);
  padding: 36px;
  text-decoration: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-base) var(--ease-out),
              transform var(--duration-base) var(--ease-out);
}
.bim-relsol__card:hover {
  border-color: var(--color-arch-purple);
  box-shadow: var(--shadow-sm);
  transform: translateY(-4px);
}
.bim-relsol__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 13px;
  border-radius: var(--radius-pill);
  background: var(--purple-50);
  color: var(--color-arch-purple);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.02em;
}
.bim-relsol__badge-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--color-arch-purple);
}
.bim-relsol__cardhead {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 28px 0 14px;
}
.bim-relsol__icon {
  flex: 0 0 auto;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--purple-50);
  color: var(--color-arch-purple);
}
.bim-relsol__icon svg { width: 26px; height: 26px; }
.bim-relsol__ctitle {
  font-family: var(--font-sans);
  font-weight: var(--fw-medium);
  font-size: 23px;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: pretty;
}
.bim-relsol__cdesc {
  font-size: 15px;
  line-height: 1.65;
  color: var(--fg-tertiary);
  margin: 0 0 24px;
  text-wrap: pretty;
}
.bim-relsol__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.04em;
  color: var(--color-arch-purple);
}
.bim-relsol__arrow {
  display: inline-flex;
  transition: transform var(--duration-base) var(--ease-out);
}
.bim-relsol__arrow svg { width: 14px; height: 14px; display: block; }
.bim-relsol__card:hover .bim-relsol__arrow {
  transform: translateX(3px);
}
@media (max-width: 960px) {
  .bim-relsol__cards { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .bim-relsol__card { padding: 28px; }
}

/* ===================== 3.6 RELATED CONTENT (関連コンテンツ) — carousel ===================== */
.rr-related { background: var(--color-draft-white); padding: 40px 0 clamp(56px, 7vw, 96px); }
.rr-related__inner {
  max-width: var(--site-width, 1300px);
  margin: 0 auto;
  padding: 0 40px;
}
.rr-related__head { max-width: 760px; margin: 0 auto clamp(40px, 4vw, 56px); text-align: center; }
.rr-related__eyebrow {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: var(--fw-semibold);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-arch-purple);
  margin: 0 0 20px;
}
.rr-related__title {
  font-family: var(--font-sans);
  font-weight: var(--fw-light);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: balance;
}
.rr-related__sub {
  font-size: 17px;
  line-height: 1.6;
  color: var(--fg-secondary);
  margin: 18px auto 0;
  max-width: 60ch;
  text-wrap: pretty;
}

/* full-width viewport; track scrolls horizontally, cards snap */
.rr-related__viewport { width: 100%; overflow: hidden; }
.rr-related__track {
  display: flex;
  gap: clamp(20px, 2.2vw, 32px);
  overflow-x: auto;
  scroll-behavior: smooth;
  padding: 4px max(40px, calc((100% - 1300px) / 2 + 40px)) 8px;
  -ms-overflow-style: none;
  scrollbar-width: none;
}
.rr-related__track::-webkit-scrollbar { display: none; }

.rr-rcard {
  flex: 0 0 clamp(280px, 26vw, 330px);
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
}
.rr-rcard__media {
  position: relative;
  display: block;
  aspect-ratio: 16 / 11;
  overflow: hidden;
  background: linear-gradient(150deg, var(--color-arch-purple), #8A8DE8 55%, var(--color-taro));
  text-decoration: none;
}
.rr-rcard__media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.rr-rcard__body { padding: 18px 4px 4px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.rr-rcard__tag {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: var(--fw-medium);
  letter-spacing: 0.14em;
  color: var(--fg-tertiary);
  margin: 0;
}
.rr-rcard__title {
  font-size: 15.5px;
  font-weight: var(--fw-medium);
  line-height: 1.6;
  color: var(--color-data-black);
  margin: 0;
  text-wrap: pretty;
}
.rr-rcard__title a {
  color: inherit;
  text-decoration: none;
  transition: color var(--duration-fast) var(--ease-out);
}
.rr-rcard__title a:hover { color: var(--color-arch-purple); text-decoration: underline; text-underline-offset: 3px; }
.rr-rcard__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14.5px;
  font-weight: var(--fw-medium);
  color: var(--color-arch-purple);
  text-decoration: none;
}
.rr-rcard__link:hover { color: var(--purple-700); text-decoration: underline; text-underline-offset: 3px; }
.rr-rcard__arrow { font-size: 13px; }

.rr-related__nav {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-top: clamp(28px, 3.5vw, 44px);
}
.rr-related__arrowbtn {
  width: 44px; height: 44px;
  display: inline-flex; align-items: center; justify-content: center;
  border: 1.5px solid var(--purple-200);
  border-radius: 50%;
  background: var(--bg-surface);
  color: var(--color-arch-purple);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out), border-color var(--duration-fast) var(--ease-out), color var(--duration-fast) var(--ease-out);
}
.rr-related__arrowbtn:hover { background: var(--purple-50); border-color: var(--color-arch-purple); }
.rr-related__arrowbtn:disabled { opacity: 0.4; cursor: default; }
.rr-related__arrowbtn:disabled:hover { background: var(--bg-surface); border-color: var(--purple-200); }
.rr-related__arrowbtn svg { width: 20px; height: 20px; }