/* ==========================================================================
   design-a — tile-sheridan — Mizu grammar remapped [data-design="a"].dq-design
   Robert McEntire Custom Tile — grout-line / tile-grid register
   ========================================================================== */

[data-design="a"] {
  --design-a-primary: #1B3A5C;

  --a-shiro:   #F4EFE6;
  --a-cream:   #EBE2D0;
  --a-sumi:    #1A1612;
  --a-aizome:  #1B3A5C;
  --a-asagi:   #3E6F94;
  --a-mizu:    #A8C8DC;
  --a-hinoki:  #C9A876;
  --a-akane:   #9C3A2A;
  --a-matcha:  #5C7A4A;
  --a-mist:    rgba(27,58,92,0.08);

  --font-display: 'Cormorant Garamond', 'Georgia', 'Times New Roman', serif;
  --font-body:    'Inter', -apple-system, system-ui, sans-serif;
  --font-mono:    ui-monospace, 'JetBrains Mono', monospace;

  --sp-drop: 4px; --sp-step: 8px; --sp-tile: 16px; --sp-shoji: 24px;
  --sp-tatami: 48px; --sp-ma: 96px; --sp-yu: 144px;

  --motion-settle: cubic-bezier(0.22,1,0.36,1);
  --motion-ripple: cubic-bezier(0.16,0.84,0.44,1);
  --motion-unfurl: cubic-bezier(0.4,0,0.2,1);
  --motion-inkdraw: cubic-bezier(0.65,0,0.35,1);
  --dur-drop: 240ms; --dur-ripple: 720ms; --dur-unfurl: 540ms;
  --dur-ambient-long: 24s; --dur-ambient-mid: 12s;

  --r-none: 0; --r-tile: 2px; --r-stone: 6px; --r-drop: 999px;

  background: var(--a-shiro);
  color: var(--a-sumi);
  font-family: var(--font-body);
}

[data-design="a"].dq-design { isolation: isolate; }
[data-design="a"].dq-design * { box-sizing: border-box; }
[data-design="a"].dq-design h1, [data-design="a"].dq-design h2, [data-design="a"].dq-design h3 { margin: 0; }
[data-design="a"].dq-design p { margin: 0; }

/* ---------- shared: eyebrow / centered wrapper ---------- */
[data-design="a"] .rf-eyebrow {
  font-family: var(--font-body); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--a-asagi); margin: 0 0 var(--sp-tile);
}

/* ---------- 1. HEADER ---------- */
[data-design="a"] .rf-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--a-shiro);
  padding: var(--sp-shoji) clamp(20px, 5vw, 56px);
  isolation: isolate;
}
[data-design="a"] .rf-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 2;
  max-width: 1440px; margin-inline: auto;
}
[data-design="a"] .rf-logo { text-decoration: none; }
[data-design="a"] .rf-logo__mark {
  font-family: var(--font-display); font-size: clamp(18px, 2.2vw, 26px);
  letter-spacing: -0.01em; color: var(--a-sumi); font-weight: 500;
}
[data-design="a"] .rf-hamburger {
  appearance: none; background: transparent; border: 0; cursor: pointer;
  display: flex; flex-direction: column; gap: 6px;
  padding: 10px 6px; min-height: 44px; min-width: 44px;
}
[data-design="a"] .rf-hamburger__rule {
  display: block; width: 28px; height: 1px; background: var(--a-sumi);
  transition: transform var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__rule:first-child { transform: translateY(3px) rotate(2deg); }
[data-design="a"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__rule:last-child  { transform: translateY(-4px) rotate(-2deg); }

[data-design="a"] .rf-header__hairline {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--a-aizome); opacity: 0.6;
}

[data-design="a"] .rf-ripple { position: absolute; inset: 0; overflow: hidden; pointer-events: none; z-index: 1; }
[data-design="a"] .rf-ripple__ring {
  position: absolute; top: 50%; right: clamp(72px, 12vw, 160px);
  width: 8px; height: 8px; border-radius: 50%;
  border: 1px solid var(--a-asagi); opacity: 0;
  transform: translate(50%, -50%) scale(1);
  animation: a-ripple var(--dur-ambient-long) var(--motion-ripple) infinite;
}
[data-design="a"] .rf-ripple__ring--b { animation-delay: 8s; }
[data-design="a"] .rf-ripple__ring--c { animation-delay: 16s; }
@keyframes a-ripple {
  0%   { opacity: 0;   transform: translate(50%, -50%) scale(1); }
  6%   { opacity: 0.55;}
  60%  { opacity: 0;   transform: translate(50%, -50%) scale(14); }
  100% { opacity: 0;   transform: translate(50%, -50%) scale(14); }
}

[data-design="a"] .rf-noren {
  position: fixed; inset: 0; z-index: 40;
  display: grid; grid-template-rows: 1fr auto 1fr;
  pointer-events: none;
}
[data-design="a"] .rf-noren[hidden] { display: none; }
[data-design="a"] .rf-noren__panel {
  position: absolute; top: 0; bottom: 0; width: 50%;
  background: var(--a-shiro);
  transform: translateY(-100%);
  transition: transform var(--dur-unfurl) var(--motion-unfurl);
}
[data-design="a"] .rf-noren__panel--left  { left: 0; }
[data-design="a"] .rf-noren__panel--right { right: 0; transition-delay: 60ms; }
[data-design="a"] .rf-noren.is-open .rf-noren__panel { transform: translateY(0); }
[data-design="a"] .rf-noren__rule {
  position: absolute; top: 33%; left: 0; right: 0; height: 1px;
  background: var(--a-aizome); transform: scaleX(0); transform-origin: left;
  transition: transform 720ms var(--motion-ripple) 200ms;
}
[data-design="a"] .rf-noren.is-open .rf-noren__rule { transform: scaleX(1); }
[data-design="a"] .rf-noren__list {
  position: relative; z-index: 1; align-self: center; justify-self: center;
  list-style: none; padding: 0; margin: 0;
  font-family: var(--font-display); font-size: clamp(26px, 5vw, 44px);
  text-align: center; pointer-events: auto;
  opacity: 0; transform: translateY(8px);
  transition: opacity 360ms var(--motion-settle) 320ms, transform 360ms var(--motion-settle) 320ms;
}
[data-design="a"] .rf-noren.is-open .rf-noren__list { opacity: 1; transform: translateY(0); pointer-events: auto; }
[data-design="a"] .rf-noren__list li { margin: var(--sp-step) 0; }
[data-design="a"] .rf-noren__list a { color: var(--a-sumi); text-decoration: none; }
[data-design="a"] .rf-noren__list a:hover { color: var(--a-aizome); }
[data-design="a"] .rf-noren__phone a { font-family: var(--font-body); font-size: 18px; }
[data-design="a"] .rf-noren__cta {
  display: inline-block; margin-top: var(--sp-tile);
  background: var(--a-aizome); color: var(--a-shiro) !important;
  padding: 14px 24px; font-size: 16px; border-radius: var(--r-tile);
}
[data-design="a"] .rf-noren__close {
  position: absolute; top: var(--sp-shoji); right: var(--sp-shoji);
  background: transparent; border: 0; font-family: var(--font-body);
  font-size: 13px; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--a-sumi); cursor: pointer; pointer-events: auto;
  opacity: 0; transition: opacity 240ms var(--motion-settle) 420ms;
  min-height: 44px; min-width: 44px;
}
[data-design="a"] .rf-noren.is-open .rf-noren__close { opacity: 1; }

/* ---------- 2. HERO ---------- */
[data-design="a"] .rf-hero {
  position: relative; isolation: isolate;
  min-height: 78vh; display: flex; align-items: center;
  padding: var(--sp-ma) clamp(20px, 5vw, 56px);
  background: var(--a-shiro); overflow: hidden;
}
[data-design="a"] .rf-hero__backdrop {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
}
[data-design="a"] .rf-hero__wash {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--a-mist) 0%, transparent 60%);
}
[data-design="a"] .rf-hero__grid {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.5;
}
[data-design="a"] .rf-groutline {
  stroke: var(--a-aizome); stroke-width: 1.4;
  stroke-dasharray: 400; stroke-dashoffset: 400;
  animation: a-groutdraw 2.4s var(--motion-inkdraw) forwards,
             a-groutbreathe 9s var(--motion-settle) 2.4s infinite;
}
[data-design="a"] .rf-groutline:nth-child(1) { animation-delay: 0s, 2.4s; }
[data-design="a"] .rf-groutline:nth-child(2) { animation-delay: 0.25s, 2.65s; }
[data-design="a"] .rf-groutline:nth-child(3) { animation-delay: 0.5s, 2.9s; }
[data-design="a"] .rf-groutline--v:nth-child(4) { animation-delay: 0.75s, 3.15s; }
[data-design="a"] .rf-groutline--v:nth-child(5) { animation-delay: 1s, 3.4s; }
[data-design="a"] .rf-groutline--v:nth-child(6) { animation-delay: 1.25s, 3.65s; }
@keyframes a-groutdraw { to { stroke-dashoffset: 0; } }
@keyframes a-groutbreathe {
  0%, 100% { opacity: 0.4; }
  50%      { opacity: 0.75; }
}
[data-design="a"] .rf-hero__inner {
  position: relative; z-index: 2; max-width: 720px; margin-inline: auto;
  display: flex; flex-direction: column; gap: var(--sp-tile);
}
[data-design="a"] .rf-hero__chip {
  display: inline-block; align-self: flex-start;
  font-family: var(--font-body); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--a-asagi);
  border: 1px solid var(--a-mist); padding: 6px 12px; border-radius: var(--r-drop);
  opacity: 1;
}
[data-design="a"] .rf-hero__title {
  font-family: var(--font-display); font-weight: 500;
  font-size: clamp(32px, 5.2vw, 58px); line-height: 1.12;
  color: var(--a-sumi); opacity: 1;
}
[data-design="a"] .rf-hero__subtitle {
  font-family: var(--font-body); font-size: clamp(16px, 2vw, 19px);
  line-height: 1.6; color: var(--a-sumi); opacity: 1; max-width: 56ch;
}
[data-design="a"] .rf-hero__proof {
  font-family: var(--font-mono); font-size: 13px; letter-spacing: 0.04em;
  color: var(--a-asagi); opacity: 1;
}

/* ---------- CTA ---------- */
[data-design="a"] .rf-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--sp-tile);
  align-self: flex-start;
  padding: 18px 28px 18px 26px; min-height: 44px;
  background: var(--a-aizome); color: var(--a-shiro);
  font-family: var(--font-body); font-size: 15px; letter-spacing: 0.06em;
  text-transform: uppercase; text-decoration: none;
  border-radius: var(--r-tile); overflow: hidden; isolation: isolate;
  transition: transform var(--dur-drop) var(--motion-settle), background var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-cta__label { position: relative; z-index: 2; }
[data-design="a"] .rf-cta__drop {
  position: absolute; top: -10px; right: 22px; z-index: 2;
  width: 8px; height: 10px; background: var(--a-mizu);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  animation: a-cta-drop 5s var(--motion-ripple) infinite;
}
[data-design="a"] .rf-cta__ripple {
  position: absolute; top: 50%; right: 22px; z-index: 1;
  width: 6px; height: 6px; border: 1px solid var(--a-mizu);
  border-radius: 50%; opacity: 0; transform: translate(50%, -50%) scale(1);
  animation: a-cta-ring 5s var(--motion-ripple) infinite;
}
@keyframes a-cta-drop {
  0%, 70% { transform: translateY(0); opacity: 1; }
  78%     { transform: translateY(20px); opacity: 1; }
  82%     { transform: translateY(20px); opacity: 0; }
  100%    { transform: translateY(0); opacity: 1; }
}
@keyframes a-cta-ring {
  0%, 78% { opacity: 0; transform: translate(50%, -50%) scale(1); }
  82%     { opacity: 0.85; transform: translate(50%, -50%) scale(1); }
  100%    { opacity: 0; transform: translate(50%, -50%) scale(18); }
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-cta:hover { background: var(--a-asagi); }
  [data-design="a"] .rf-cta:hover .rf-cta__drop { animation-duration: 1.6s; }
}
[data-design="a"] .rf-cta:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--a-mizu); }
[data-design="a"] .rf-cta:active { transform: translateY(1px); }
[data-design="a"] .rf-cta--repeat { margin-inline: auto; }

/* ---------- 6. POINTER ---------- */
[data-design="a"] .a-pointer {
  display: flex; justify-content: center;
  padding: clamp(32px, 6vw, 56px) 16px clamp(40px, 7vw, 64px);
}
[data-design="a"] .a-pointer__hit {
  position: relative; display: inline-block; width: 2px; height: 72px;
  text-decoration: none; color: var(--a-aizome);
  opacity: 1;
}
[data-design="a"] .a-pointer__pipe {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 0%, currentColor 100%);
  transform-origin: top center;
  animation: a-pointer-fill 5s ease-in-out infinite;
  opacity: 0.7;
}
[data-design="a"] .a-pointer__drop {
  position: absolute; left: 50%; bottom: -4px;
  width: 8px; height: 8px; margin-left: -4px;
  background: currentColor; border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  transform: translateY(-56px) scale(0.4); opacity: 0;
  animation: a-pointer-drip 5s ease-in infinite;
}
@keyframes a-pointer-fill {
  0%, 100% { transform: scaleY(0.4); opacity: 0.45; }
  60%      { transform: scaleY(1);   opacity: 0.85; }
}
@keyframes a-pointer-drip {
  0%, 55%  { transform: translateY(-56px) scale(0.4); opacity: 0; }
  70%      { transform: translateY(-56px) scale(1);   opacity: 1; }
  92%      { transform: translateY(0)     scale(1);   opacity: 1; }
  100%     { transform: translateY(0)     scale(0.2); opacity: 0; }
}

/* ---------- 5. ESTIMATOR (interactive funnel) ---------- */
[data-design="a"] .rf-interactive {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--a-shiro);
}
[data-design="a"] .rf-interactive__head { max-width: 720px; margin-inline: auto; margin-bottom: var(--sp-tatami); }
[data-design="a"] .rf-interactive__head h2 {
  font-family: var(--font-display); font-size: clamp(30px, 4.5vw, 44px);
  margin: 0 0 var(--sp-tile); color: var(--a-sumi); line-height: 1.15;
}
[data-design="a"] .rf-interactive__lede {
  font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  color: var(--a-sumi); max-width: 56ch;
}

[data-design="a"] .a-estimator { position: relative; max-width: 900px; margin-inline: auto; }

[data-design="a"] .a-estimator__readout {
  background: var(--a-cream); border: 1px solid var(--a-mist);
  border-radius: var(--r-stone); padding: var(--sp-tatami) var(--sp-shoji);
  text-align: center; margin-bottom: var(--sp-tatami);
}
[data-design="a"] .a-estimator__readout-label {
  font-family: var(--font-body); font-size: 12px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--a-asagi); margin-bottom: var(--sp-step);
}
[data-design="a"] .a-estimator__readout-value {
  font-family: var(--font-display); font-size: clamp(28px, 5vw, 44px);
  color: var(--a-aizome); font-weight: 500; margin-bottom: var(--sp-tile);
  transition: transform var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .a-estimator__readout-value.is-updating { transform: scale(1.03); }
[data-design="a"] .a-estimator__readout-note {
  font-family: var(--font-body); font-size: 13px; color: var(--a-sumi); opacity: 0.75;
  margin-bottom: var(--sp-step);
}
[data-design="a"] .a-estimator__readout-ballpark {
  font-family: var(--font-body); font-size: 13px; color: var(--a-asagi); font-style: italic;
}

[data-design="a"] .a-estimator__progress {
  display: flex; justify-content: center; gap: var(--sp-step); margin-bottom: var(--sp-tatami);
}
[data-design="a"] .a-estimator__progress-dot {
  width: 8px; height: 8px; border-radius: 50%; background: var(--a-mist);
  transition: background var(--dur-drop) var(--motion-settle), transform var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .a-estimator__progress-dot.is-active { background: var(--a-aizome); transform: scale(1.3); }
[data-design="a"] .a-estimator__progress-dot.is-done { background: var(--a-asagi); }

[data-design="a"] .a-estimator__step[hidden] { display: none; }
[data-design="a"] .a-estimator__step {
  opacity: 1;
}
[data-design="a"] .a-estimator__question {
  font-family: var(--font-display); font-size: clamp(22px, 3vw, 30px);
  color: var(--a-sumi); margin-bottom: var(--sp-tatami); text-align: center;
}

[data-design="a"] .a-estimator__grid {
  display: grid; gap: 2px; grid-template-columns: repeat(3, 1fr);
  background: var(--a-aizome); border: 1px solid var(--a-aizome);
}
[data-design="a"] .a-estimator__grid--3 { grid-template-columns: repeat(3, 1fr); }
@media (max-width: 768px) {
  [data-design="a"] .a-estimator__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 480px) {
  [data-design="a"] .a-estimator__grid { grid-template-columns: 1fr; }
}

[data-design="a"] .rf-concern__tile {
  appearance: none; border: 0; cursor: pointer;
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--a-aizome); color: var(--a-shiro);
  padding: var(--sp-shoji) var(--sp-tile);
  min-height: 88px; text-align: left;
  display: flex; flex-direction: column; justify-content: space-between; gap: var(--sp-tile);
  transition: transform var(--dur-drop) var(--motion-settle), background var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-concern__tile::after {
  content: ""; position: absolute; left: 50%; top: 50%;
  width: 6px; height: 6px; border-radius: 50%;
  border: 1px solid var(--a-mizu); opacity: 0;
  transform: translate(-50%, -50%) scale(1);
}
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-concern__tile:hover { background: var(--a-asagi); }
}
[data-design="a"] .rf-concern__tile:focus-visible { outline: none; box-shadow: inset 0 0 0 2px var(--a-mizu); }
[data-design="a"] .rf-concern__tile.is-active {
  transform: translateY(-4px); background: var(--a-asagi); z-index: 2;
}
[data-design="a"] .rf-concern__tile.is-active::after {
  animation: a-tile-ripple 720ms var(--motion-ripple) forwards;
}
@keyframes a-tile-ripple {
  0%   { opacity: 0.9; transform: translate(-50%, -50%) scale(1); }
  100% { opacity: 0;   transform: translate(-50%, -50%) scale(24); }
}
[data-design="a"] .rf-concern__num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em; color: var(--a-mizu);
}
[data-design="a"] .rf-concern__label {
  font-family: var(--font-display); font-size: 18px; line-height: 1.2;
}

[data-design="a"] .a-estimator__nav { display: flex; justify-content: center; margin-top: var(--sp-tatami); }

[data-design="a"] .a-estimator__summary {
  background: var(--a-cream); border: 1px solid var(--a-mist);
  padding: var(--sp-tile) var(--sp-shoji); border-radius: var(--r-stone);
  margin-bottom: var(--sp-tatami); font-family: var(--font-body); font-size: 15px;
  line-height: 1.6; color: var(--a-sumi);
}

[data-design="a"] .a-estimator__form { display: grid; gap: var(--sp-tile); max-width: 560px; margin-inline: auto; }
[data-design="a"] .rf-field { display: flex; flex-direction: column; gap: 6px; }
[data-design="a"] .rf-field__label {
  font-family: var(--font-body); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--a-asagi);
}
[data-design="a"] .rf-field__input {
  appearance: none; background: var(--a-shiro); color: var(--a-sumi);
  border: 0; border-bottom: 1px solid var(--a-aizome);
  padding: 12px 10px; font-family: var(--font-body); font-size: 15px;
  border-radius: 0; min-height: 44px;
  transition: border-color var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-field__input--area { min-height: 64px; resize: vertical; }
[data-design="a"] .rf-field__input:focus-visible {
  outline: none; border-bottom-color: var(--a-asagi); box-shadow: 0 1px 0 0 var(--a-asagi);
}
[data-design="a"] .rf-concern__actions { display: flex; gap: var(--sp-tile); margin-top: var(--sp-tile); flex-wrap: wrap; justify-content: center; }
[data-design="a"] .rf-stamp {
  appearance: none; cursor: pointer;
  padding: 14px 22px; min-height: 44px;
  font-family: var(--font-body); font-size: 13px; letter-spacing: 0.1em;
  text-transform: uppercase; border-radius: var(--r-tile);
  transition: transform var(--dur-drop) var(--motion-settle), background var(--dur-drop) var(--motion-settle);
  border: 1px solid var(--a-aizome);
}
[data-design="a"] .rf-stamp--primary { background: var(--a-aizome); color: var(--a-shiro); }
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .rf-stamp--primary:hover { background: var(--a-asagi); }
}
[data-design="a"] .rf-stamp--ghost { background: transparent; color: var(--a-sumi); }
[data-design="a"] .rf-stamp:focus-visible { outline: none; box-shadow: 0 0 0 3px var(--a-mizu); }
[data-design="a"] .rf-stamp:active { transform: translateY(1px); }

[data-design="a"] .a-estimator__done {
  text-align: center; padding: var(--sp-tatami) var(--sp-shoji);
  background: var(--a-cream); border: 1px solid var(--a-mist); border-radius: var(--r-stone);
  opacity: 0; transform: translateY(8px);
  transition: opacity var(--dur-unfurl) var(--motion-unfurl), transform var(--dur-unfurl) var(--motion-unfurl);
}
[data-design="a"] .a-estimator__done[hidden] { display: none; }
[data-design="a"] .a-estimator__done.is-shown { opacity: 1; transform: translateY(0); }
[data-design="a"] .a-estimator__done h3 {
  font-family: var(--font-display); font-size: clamp(24px, 3.2vw, 30px); margin: var(--sp-tile) 0 var(--sp-step);
}
[data-design="a"] .rf-hanko {
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--a-akane); color: var(--a-shiro);
  font-family: var(--font-display); font-size: 28px;
  transform: scale(0.6) rotate(-6deg); opacity: 0;
  transition: transform 420ms var(--motion-settle), opacity 420ms var(--motion-settle);
}
[data-design="a"] .a-estimator__done.is-shown .rf-hanko { transform: scale(1) rotate(-6deg); opacity: 1; }

/* ---------- 3. AMBIENT A — gallery ---------- */
[data-design="a"] .rf-ambient-a {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--a-shiro);
}
[data-design="a"] .rf-ambient-a__head { max-width: 720px; margin-inline: auto; margin-bottom: var(--sp-tatami); }
[data-design="a"] .rf-ambient-a__head h2 {
  font-family: var(--font-display); font-size: clamp(28px, 4.2vw, 40px);
  margin: 0 0 var(--sp-tile); color: var(--a-sumi); line-height: 1.2;
}
[data-design="a"] .a-gallery__note {
  font-family: var(--font-body); font-size: 15px; line-height: 1.6;
  color: var(--a-sumi); opacity: 0.75;
}
[data-design="a"] .rf-tilegrid {
  list-style: none; margin: 0 auto; padding: 0; max-width: 1180px;
  display: grid; gap: 2px;
  grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr));
  background: var(--a-aizome); border: 1px solid var(--a-aizome);
}
[data-design="a"] .rf-tile.a-worktile {
  position: relative; padding: var(--sp-tatami) var(--sp-shoji);
  background: var(--a-aizome); color: var(--a-shiro);
  display: flex; flex-direction: column; gap: var(--sp-tile);
  isolation: isolate; overflow: hidden;
}
[data-design="a"] .rf-tile.a-worktile::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--a-asagi) 0%, var(--a-aizome) 60%);
  opacity: 0;
  animation: a-tile-glaze var(--dur-ambient-mid) var(--motion-ripple) infinite;
  z-index: 0;
}
[data-design="a"] .rf-tile.a-worktile:nth-child(4n+1)::before { animation-delay: 0s; }
[data-design="a"] .rf-tile.a-worktile:nth-child(4n+2)::before { animation-delay: 2.7s; }
[data-design="a"] .rf-tile.a-worktile:nth-child(4n+3)::before { animation-delay: 5.4s; }
[data-design="a"] .rf-tile.a-worktile:nth-child(4n+4)::before { animation-delay: 8.1s; }
@keyframes a-tile-glaze {
  0%, 100% { opacity: 0; }
  40%      { opacity: 0.45; }
  60%      { opacity: 0.45; }
}
[data-design="a"] .rf-tile.a-worktile > * { position: relative; z-index: 1; }
[data-design="a"] .rf-tile__num {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em; color: var(--a-mizu);
}
[data-design="a"] .rf-tile__name {
  font-family: var(--font-display); font-size: clamp(20px, 2.4vw, 26px); line-height: 1.2;
}
[data-design="a"] .rf-tile__range {
  font-family: var(--font-body); font-size: 13px; color: var(--a-mizu); margin-top: auto;
}
[data-design="a"] .a-gallery__repeat-cta { display: flex; justify-content: center; margin-top: var(--sp-tatami); }

/* ---------- 4. AMBIENT B — process / craft ---------- */
[data-design="a"] .rf-ambient-b {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--a-cream);
}
[data-design="a"] .rf-ambient-b__grid {
  display: grid; gap: var(--sp-tatami);
  grid-template-columns: minmax(200px, 1fr) minmax(0, 1.6fr);
  align-items: center; max-width: 1180px; margin-inline: auto;
}
@media (max-width: 768px) {
  [data-design="a"] .rf-ambient-b__grid { grid-template-columns: 1fr; }
}
[data-design="a"] .rf-kanji { margin: 0; display: flex; flex-direction: column; gap: var(--sp-tile); align-items: center; }
[data-design="a"] .rf-kanji svg { width: clamp(140px, 20vw, 220px); height: auto; max-width: 100%; }
[data-design="a"] .rf-kanji__stroke {
  fill: none; stroke: var(--a-aizome); stroke-width: 6;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 200; stroke-dashoffset: 200; opacity: 0.78;
}
[data-design="a"] .rf-ambient-b.is-drawn .rf-kanji__stroke {
  animation: a-ink-draw 1.6s var(--motion-inkdraw) forwards,
             a-ink-breath 18s var(--motion-settle) 1.6s infinite;
}
[data-design="a"] .rf-ambient-b.is-drawn .rf-kanji__stroke:nth-child(2) { animation-delay: 220ms, 1.82s; }
[data-design="a"] .rf-ambient-b.is-drawn .rf-kanji__stroke:nth-child(3) { animation-delay: 440ms, 2.04s; }
[data-design="a"] .rf-ambient-b.is-drawn .rf-kanji__stroke:nth-child(4) { animation-delay: 660ms, 2.26s; }
[data-design="a"] .rf-ambient-b.is-drawn .rf-kanji__stroke:nth-child(5) { animation-delay: 880ms, 2.48s; }
@keyframes a-ink-draw { to { stroke-dashoffset: 0; } }
@keyframes a-ink-breath { 0%, 100% { opacity: 0.78; } 50% { opacity: 0.92; } }
[data-design="a"] .rf-kanji__caption {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--a-asagi); text-align: center;
}
[data-design="a"] .rf-ambient-b__body h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.6vw, 36px);
  margin: 0 0 var(--sp-shoji); color: var(--a-sumi); line-height: 1.25;
}
[data-design="a"] .rf-ambient-b__copy {
  font-family: var(--font-body); font-size: 16px; line-height: 1.7;
  color: var(--a-sumi); max-width: 60ch; display: flex; flex-direction: column; gap: var(--sp-tile);
}

/* ---------- Tile Types Installed ---------- */
[data-design="a"] .a-types {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--a-shiro);
}
[data-design="a"] .a-types__body {
  font-family: var(--font-body); font-size: 16px; line-height: 1.7;
  color: var(--a-sumi); max-width: 720px; margin-inline: auto;
}

/* ---------- About / Contact ---------- */
[data-design="a"] .a-about {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--a-cream);
}
[data-design="a"] .a-about__grid {
  display: grid; gap: var(--sp-tatami);
  grid-template-columns: 1.4fr 1fr;
  max-width: 1180px; margin-inline: auto; align-items: start;
}
@media (max-width: 768px) {
  [data-design="a"] .a-about__grid { grid-template-columns: 1fr; }
}
[data-design="a"] .a-about h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.6vw, 36px);
  margin: 0 0 var(--sp-shoji); color: var(--a-sumi);
}
[data-design="a"] .a-about__body {
  font-family: var(--font-display); font-style: italic; font-size: 19px;
  line-height: 1.6; color: var(--a-sumi);
}
[data-design="a"] .a-about__contact { display: flex; flex-direction: column; gap: var(--sp-tile); align-items: flex-start; }
[data-design="a"] .a-contact-chip {
  display: inline-flex; align-items: center; min-height: 44px;
  padding: 12px 20px; border-radius: var(--r-tile);
  font-family: var(--font-body); font-size: 15px; letter-spacing: 0.02em;
  text-decoration: none; border: 1px solid var(--a-aizome); color: var(--a-aizome);
  background: transparent; transition: background var(--dur-drop) var(--motion-settle), color var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .a-contact-chip--primary { background: var(--a-aizome); color: var(--a-shiro); border-color: var(--a-aizome); }
@media (hover: hover) and (pointer: fine) {
  [data-design="a"] .a-contact-chip:hover { background: var(--a-aizome); color: var(--a-shiro); }
}
[data-design="a"] .a-about__area { font-family: var(--font-body); font-size: 13px; color: var(--a-sumi); opacity: 0.75; margin-top: var(--sp-step); }

/* ---------- Footer ---------- */
[data-design="a"] .a-footer {
  background: var(--a-aizome); color: var(--a-shiro);
  padding: var(--sp-tatami) clamp(20px, 5vw, 56px);
  border-top: 1px solid var(--a-hinoki);
}
[data-design="a"] .a-footer__inner { max-width: 1180px; margin-inline: auto; text-align: center; display: flex; flex-direction: column; gap: var(--sp-step); }
[data-design="a"] .a-footer__brand { font-family: var(--font-display); font-size: 20px; }
[data-design="a"] .a-footer__meta { font-family: var(--font-body); font-size: 13px; opacity: 0.85; }
[data-design="a"] .a-footer__copyright { font-family: var(--font-body); font-size: 12px; opacity: 0.6; }

@media (prefers-reduced-motion: reduce) {
  [data-design="a"] .rf-ripple__ring { animation: none; opacity: 0.25; transform: translate(50%, -50%) scale(6); }
  [data-design="a"] .rf-noren__panel,
  [data-design="a"] .rf-noren__rule,
  [data-design="a"] .rf-noren__list { transition-duration: 0ms; }
  [data-design="a"] .rf-groutline { animation: none; stroke-dashoffset: 0; opacity: 0.55; }
  [data-design="a"] .rf-cta__drop, [data-design="a"] .rf-cta__ripple { animation: none; opacity: 1; transform: none; }
  [data-design="a"] .a-pointer__pipe, [data-design="a"] .a-pointer__drop { animation: none; opacity: 0.5; }
  [data-design="a"] .rf-tile.a-worktile::before { animation: none; opacity: 0.2; }
  [data-design="a"] .rf-kanji__stroke { animation: none; stroke-dashoffset: 0; opacity: 0.85; }
  [data-design="a"] .rf-concern__tile,
  [data-design="a"] .a-estimator__done,
  [data-design="a"] .rf-hanko { transition-duration: 0ms; animation: none !important; }
}

/* ==========================================================================
   MOBILE / CONTAINMENT — appended per hard contract, scoped to .dq-design only
   ========================================================================== */
[data-design="a"].dq-design,
[data-design="a"] .dq-design { max-width: 100%; overflow-x: clip; }
[data-design="a"].dq-design * { min-width: 0; }
[data-design="a"].dq-design img,
[data-design="a"].dq-design svg:not([data-keep-size]) { max-width: 100%; height: auto; }

/* stranded-wrapper autofix (drain 2026-07-03): every fixed max-width column centers — gate content_uncentered_left_stranded */
[data-design="a"] .rf-hero__subtitle { margin-inline: auto; }
[data-design="a"] .rf-interactive__lede { margin-inline: auto; }
[data-design="a"] .rf-ambient-b__copy { margin-inline: auto; }

/* Phase-3.4 hero visibility floor (forge_assemble) */
[data-design="a"] [data-mf-role="hero"] :is(h1,h2,p,.headline,.subtitle,.proof,[class*="headline"],[class*="subtitle"],[class*="proof"]),
[data-design="a"] [data-mf-role="cta"] { opacity: 1 !important; }