/* ═══════════════════════════════════════════════════════════════
   design-a — Mizu / SOS Plumbing & Drain Service, Talent OR
   ALL rules scoped to [data-design="a"]
   ZERO [data-design="a"] selectors
   ═══════════════════════════════════════════════════════════════ */

/* ── Design tokens ─────────────────────────────────────────────── */
[data-design="a"] {
  --design-a-primary:  #1B3A5C;

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

  --font-display: 'Cormorant Garamond','Hiragino Mincho ProN','Yu Mincho','Times New Roman',serif;
  --font-body:    'Inter',-apple-system,system-ui,'Hiragino Kaku Gothic ProN',sans-serif;
  --font-mono:    ui-monospace,'JetBrains Mono','Hiragino Kaku Gothic ProN',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;

  --elev-flat: 0 0 0 1px var(--mizu-mist);
  --elev-pool: 0 1px 0 var(--mizu-mist), 0 18px 32px -16px rgba(27,58,92,0.18);
}

/* ── Base ──────────────────────────────────────────────────────── */
[data-design="a"].dq-design {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.65;
  color: var(--mizu-sumi);
  background: var(--mizu-shiro);
}

/* ═══════════════════════════════════════════════
   E1 — HEADER
═══════════════════════════════════════════════ */
[data-design="a"] .rf-header {
  position: sticky; top: 0; z-index: 30;
  background: var(--mizu-shiro);
  padding: var(--sp-shoji) clamp(20px, 5vw, 56px);
}
[data-design="a"] .rf-header__bar {
  display: flex; align-items: center; justify-content: space-between;
  position: relative; z-index: 2;
}
[data-design="a"] .rf-logo { text-decoration: none; }
[data-design="a"] .rf-logo__mark {
  font-family: var(--font-display);
  font-size: clamp(22px, 2.4vw, 28px);
  letter-spacing: -0.01em;
  color: var(--mizu-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;
  align-items: flex-end;
}
[data-design="a"] .rf-hamburger__rule {
  display: block; width: 28px; height: 1px; background: var(--mizu-sumi);
  transition: transform var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__rule:first-child {
  transform: translateY(3.5px) rotate(45deg);
}
[data-design="a"] .rf-hamburger[aria-expanded="true"] .rf-hamburger__rule:last-child {
  transform: translateY(-3.5px) rotate(-45deg);
}
[data-design="a"] .rf-header__hairline {
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 1px; background: var(--mizu-aizome); opacity: 0.5;
}

/* Ripple atmosphere */
[data-design="a"] .rf-ripple {
  position: absolute; inset: 0; overflow: hidden; pointer-events: none;
}
[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(--mizu-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); }
}

/* Noren drawer */
[data-design="a"] .rf-noren {
  position: fixed; inset: 0; z-index: 40;
  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(--mizu-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(--mizu-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: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%);
  z-index: 2; list-style: none; padding: 0; margin: 0;
  font-family: var(--font-display); font-size: clamp(28px, 5vw, 48px);
  text-align: center; pointer-events: auto;
  opacity: 0; translate: 0 8px;
  transition: opacity 360ms var(--motion-settle) 320ms,
              translate 360ms var(--motion-settle) 320ms;
}
[data-design="a"] .rf-noren.is-open .rf-noren__list {
  opacity: 1; translate: 0 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(--mizu-sumi); text-decoration: none; }
[data-design="a"] .rf-noren__list a:hover { color: var(--mizu-aizome); }
[data-design="a"] .rf-noren__phone {
  font-family: var(--font-body); font-size: clamp(18px, 2.5vw, 24px);
  color: var(--mizu-aizome) !important; letter-spacing: 0.04em;
}
[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(--mizu-sumi); cursor: pointer; pointer-events: auto; z-index: 3;
  min-height: 44px; min-width: 44px; display: flex; align-items: center;
  opacity: 0; transition: opacity 240ms var(--motion-settle) 420ms;
}
[data-design="a"] .rf-noren.is-open .rf-noren__close { opacity: 1; }

/* ═══════════════════════════════════════════════
   HERO — E3 backdrop + text + E2 CTA
═══════════════════════════════════════════════ */
[data-design="a"] .rf-hero {
  position: relative; overflow: hidden;
  min-height: clamp(480px, 70vh, 760px);
  display: grid;
  grid-template-columns: minmax(0,1.1fr) minmax(0,0.9fr);
  grid-template-rows: 1fr;
  align-items: center;
  padding: clamp(56px, 8vw, 120px) clamp(20px, 5vw, 56px);
  background: var(--mizu-shiro);
}

/* Backdrop fills full hero */
[data-design="a"] .rf-hero__backdrop {
  position: absolute; inset: 0; z-index: 0; overflow: hidden;
  pointer-events: none;
}

/* Warm copper-tint wash — visible color field, opacity ≥0.3, 5s breath */
[data-design="a"] .rf-hero__wash {
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 70% 60% at 65% 55%,
    rgba(201,168,118,0.38) 0%,
    rgba(27,58,92,0.10) 55%,
    transparent 100%);
  animation: a-wash-breath 5s var(--motion-settle) infinite alternate;
}
@keyframes a-wash-breath {
  from { opacity: 0.65; transform: scale(1); }
  to   { opacity: 1;    transform: scale(1.04); }
}

/* Pipe geometry SVG — isometric plumbing schematic */
[data-design="a"] .rf-hero__pipes {
  position: absolute; inset: 0; width: 100%; height: 100%;
  opacity: 0.12;
}
[data-design="a"] .rf-pipe-h,
[data-design="a"] .rf-pipe-v--1,
[data-design="a"] .rf-pipe-v--2,
[data-design="a"] .rf-pipe-v--3 {
  stroke: var(--mizu-aizome);
  stroke-dasharray: 800;
  stroke-dashoffset: 800;
  animation: a-pipe-draw 2.4s var(--motion-inkdraw) forwards;
}
[data-design="a"] .rf-pipe-v--1 { animation-delay: 0.2s; }
[data-design="a"] .rf-pipe-v--2 { animation-delay: 0.5s; }
[data-design="a"] .rf-pipe-v--3 { animation-delay: 0.8s; }
[data-design="a"] .rf-pipe-joint {
  stroke: var(--mizu-hinoki); fill: var(--mizu-hinoki);
  opacity: 0; animation: a-joint-in 0.4s var(--motion-settle) 2s forwards;
}
[data-design="a"] .rf-gauge {
  stroke: var(--mizu-aizome); fill: none;
  opacity: 0; animation: a-gauge-in 0.6s var(--motion-settle) 1.8s forwards;
}
[data-design="a"] .rf-gauge__needle {
  stroke: var(--mizu-hinoki); fill: none;
  transform-origin: 700px 90px;
  opacity: 0;
  animation: a-gauge-in 0.4s var(--motion-settle) 2.2s forwards,
             a-needle-sweep 8s var(--motion-settle) 2.6s infinite alternate;
}
[data-design="a"] .rf-gauge__pivot {
  fill: var(--mizu-hinoki); stroke: none;
  opacity: 0; animation: a-gauge-in 0.4s var(--motion-settle) 2.3s forwards;
}
@keyframes a-pipe-draw    { to { stroke-dashoffset: 0; } }
@keyframes a-joint-in     { to { opacity: 0.85; } }
@keyframes a-gauge-in     { to { opacity: 0.7; } }
@keyframes a-needle-sweep {
  from { transform: rotate(-40deg); }
  to   { transform: rotate(35deg); }
}

/* Copper halo — sustains ambient motion, ≥0.3 opacity, ≥5s cycle */
[data-design="a"] .rf-hero__halo {
  position: absolute; right: -10%; top: 5%;
  width: 55%; padding-bottom: 55%;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201,168,118,0.45) 0%, transparent 70%);
  animation: a-halo-pulse 7s var(--motion-settle) infinite alternate;
  pointer-events: none;
}
@keyframes a-halo-pulse {
  from { opacity: 0.55; transform: scale(0.92); }
  to   { opacity: 1;    transform: scale(1.06); }
}

/* Hero content — opacity:1 at first paint */
[data-design="a"] .rf-hero__content {
  position: relative; z-index: 2;
  display: flex; flex-direction: column; gap: var(--sp-shoji);
  max-width: 600px;
}
[data-design="a"] .rf-hero__eyebrow {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mizu-asagi); margin: 0;
  opacity: 1;
}
[data-design="a"] .rf-hero__hed {
  font-family: var(--font-display);
  font-size: clamp(36px, 5.5vw, 72px);
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--mizu-sumi); margin: 0;
  opacity: 1;
}
[data-design="a"] .rf-hero__sub {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 18px);
  color: var(--mizu-asagi); margin: 0; max-width: 52ch;
  opacity: 1;
}
[data-design="a"] .rf-hero__proof {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--mizu-asagi); margin: 0;
  opacity: 1;
}
[data-design="a"] .rf-hero__trust {
  font-family: var(--font-body); font-size: 13px; letter-spacing: 0.06em;
  color: var(--mizu-asagi); margin: 0;
  opacity: 1;
}

/* E2 — Phone CTA */
[data-design="a"] .rf-cta {
  position: relative; display: inline-flex; align-items: center; gap: var(--sp-tile);
  padding: 18px 32px 18px 28px; min-height: 44px;
  background: var(--mizu-aizome); color: var(--mizu-shiro);
  font-family: var(--font-body); font-size: clamp(17px, 2vw, 20px);
  letter-spacing: 0.04em;
  text-decoration: none; border-radius: var(--r-tile);
  overflow: hidden; isolation: isolate; align-self: flex-start;
  transition: background var(--dur-drop) var(--motion-settle),
              transform   var(--dur-drop) var(--motion-settle);
  opacity: 1;
}
[data-design="a"] .rf-cta__label { position: relative; z-index: 2; font-weight: 600; }
[data-design="a"] .rf-cta__drop {
  position: absolute; top: -10px; right: 18px; z-index: 2;
  width: 8px; height: 10px; background: var(--mizu-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: 18px; z-index: 1;
  width: 6px; height: 6px; border: 1px solid var(--mizu-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(22px); opacity: 1; }
  82%     { transform: translateY(22px); 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); }
}
[data-design="a"] .rf-cta:hover { background: var(--mizu-asagi); }
[data-design="a"] .rf-cta:hover .rf-cta__drop { animation-duration: 1.4s; }
[data-design="a"] .rf-cta:focus-visible {
  outline: none; box-shadow: 0 0 0 3px var(--mizu-mizu);
}
[data-design="a"] .rf-cta:active { transform: translateY(1px); }

/* Hero photo */
[data-design="a"] .rf-hero__photo {
  position: relative; z-index: 1; margin: 0;
  display: flex; align-items: center; justify-content: center;
}
[data-design="a"] .rf-hero__photo img {
  width: 100%; max-width: 560px; height: auto;
  object-fit: cover; border-radius: var(--r-stone);
  box-shadow: var(--elev-pool);
}

/* ═══════════════════════════════════════════════
   SERVICES — rf-ambient-a (E3 tile mosaic)
═══════════════════════════════════════════════ */
[data-design="a"] .rf-ambient-a {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--mizu-shiro);
}
[data-design="a"] .rf-ambient-a__head {
  max-width: 720px; margin-bottom: var(--sp-tatami);
}
[data-design="a"] .rf-eyebrow {
  font-family: var(--font-body); font-size: 12px; letter-spacing: 0.18em;
  text-transform: uppercase; color: var(--mizu-asagi); margin: 0 0 var(--sp-tile);
}
[data-design="a"] .rf-ambient-a__head h2 {
  font-family: var(--font-display); font-size: clamp(28px, 4.5vw, 44px);
  margin: 0; color: var(--mizu-sumi); line-height: 1.15;
}
[data-design="a"] .rf-tilegrid {
  list-style: none; margin: 0; padding: 0;
  display: grid; gap: 2px;
  grid-template-columns: repeat(auto-fit, minmax(min(240px,100%), 1fr));
  background: var(--mizu-aizome);
  border: 1px solid var(--mizu-aizome);
}
[data-design="a"] .rf-tile {
  position: relative; padding: var(--sp-tatami) var(--sp-shoji);
  background: var(--mizu-aizome); color: var(--mizu-shiro);
  display: flex; flex-direction: column; gap: var(--sp-step);
  isolation: isolate; overflow: hidden;
}
[data-design="a"] .rf-tile::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(135deg, var(--mizu-asagi) 0%, var(--mizu-aizome) 60%);
  opacity: 0;
  animation: a-tile-glaze var(--dur-ambient-mid) var(--motion-ripple) infinite;
  z-index: 0;
}
[data-design="a"] .rf-tile:nth-child(7n+1)::before { animation-delay: 0s; }
[data-design="a"] .rf-tile:nth-child(7n+2)::before { animation-delay: 1.7s; }
[data-design="a"] .rf-tile:nth-child(7n+3)::before { animation-delay: 3.4s; }
[data-design="a"] .rf-tile:nth-child(7n+4)::before { animation-delay: 5.1s; }
[data-design="a"] .rf-tile:nth-child(7n+5)::before { animation-delay: 6.8s; }
[data-design="a"] .rf-tile:nth-child(7n+6)::before { animation-delay: 8.5s; }
[data-design="a"] .rf-tile:nth-child(7n+7)::before { animation-delay: 10.2s; }
@keyframes a-tile-glaze {
  0%,100% { opacity: 0; }
  40%     { opacity: 0.45; }
  60%     { opacity: 0.45; }
}
[data-design="a"] .rf-tile > * { position: relative; z-index: 1; }
[data-design="a"] .rf-tile__num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.08em;
  color: var(--mizu-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; line-height: 1.5;
  color: var(--mizu-mizu); margin-top: auto;
}
[data-design="a"] .rf-ambient-a.is-paused .rf-tile::before {
  animation-play-state: paused;
}
[data-design="a"] .rf-services__cta {
  margin-top: var(--sp-tatami); display: flex; justify-content: center;
}

/* ═══════════════════════════════════════════════
   Inline phone CTA (mid-page redundant affordance)
═══════════════════════════════════════════════ */
[data-design="a"] .rf-inline-phone {
  display: inline-flex; align-items: center; gap: var(--sp-tile);
  padding: 14px 24px; min-height: 44px;
  background: transparent; border: 1px solid var(--mizu-aizome);
  border-radius: var(--r-tile); text-decoration: none;
  font-family: var(--font-body); font-size: 15px; color: var(--mizu-aizome);
  transition: background var(--dur-drop) var(--motion-settle),
              color     var(--dur-drop) var(--motion-settle);
  flex-wrap: wrap;
}
[data-design="a"] .rf-inline-phone:hover {
  background: var(--mizu-aizome); color: var(--mizu-shiro);
}
[data-design="a"] .rf-inline-phone strong { font-weight: 700; }

/* ═══════════════════════════════════════════════
   SERVICE AREA
═══════════════════════════════════════════════ */
[data-design="a"] .rf-area {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--mizu-cream);
}
[data-design="a"] .rf-area__inner {
  max-width: 1180px; margin: 0 auto;
  display: flex; flex-direction: column; gap: var(--sp-tatami);
}
[data-design="a"] .rf-area__head h2 {
  font-family: var(--font-display); font-size: clamp(26px, 4vw, 40px);
  margin: 0 0 var(--sp-tile); color: var(--mizu-sumi); line-height: 1.15;
}
[data-design="a"] .rf-area__sub {
  font-size: 17px; line-height: 1.6; color: var(--mizu-sumi);
  max-width: 60ch; margin: 0;
}
[data-design="a"] .rf-area__cities {
  list-style: none; padding: 0; margin: 0;
  display: flex; flex-wrap: wrap; gap: var(--sp-step) var(--sp-shoji);
}
[data-design="a"] .rf-area__cities li {
  font-family: var(--font-body); font-size: 15px; letter-spacing: 0.04em;
  color: var(--mizu-aizome); font-weight: 600;
}
[data-design="a"] .rf-area__photos {
  display: grid; gap: var(--sp-shoji);
  grid-template-columns: repeat(auto-fit, minmax(min(300px,100%), 1fr));
}
[data-design="a"] .rf-area__photos img {
  width: 100%; height: auto; object-fit: cover;
  border-radius: var(--r-stone); box-shadow: var(--elev-flat);
}

/* ═══════════════════════════════════════════════
   ABOUT — rf-ambient-b (E4 kanji ink-draw)
═══════════════════════════════════════════════ */
[data-design="a"] .rf-ambient-b {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--mizu-shiro);
}
[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: start; max-width: 1180px; margin: 0 auto;
}
[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,240px); height: auto;
}
[data-design="a"] .rf-kanji__stroke {
  fill: none; stroke: var(--mizu-aizome); stroke-width: 8;
  stroke-linecap: round; stroke-linejoin: round;
  stroke-dasharray: 240; stroke-dashoffset: 240;
  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(--mizu-asagi);
}
[data-design="a"] .rf-ambient-b__body h2 {
  font-family: var(--font-display); font-size: clamp(26px, 3.8vw, 38px);
  margin: 0 0 var(--sp-shoji); color: var(--mizu-sumi); line-height: 1.2;
}
[data-design="a"] .rf-ambient-b__copy {
  font-size: 17px; line-height: 1.7; color: var(--mizu-sumi);
  max-width: 60ch;
}
[data-design="a"] .rf-ambient-b__copy p { margin: 0 0 var(--sp-shoji); }
[data-design="a"] .rf-about__license {
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.08em;
  color: var(--mizu-asagi); margin: var(--sp-tile) 0 0;
}
[data-design="a"] .rf-about__photos {
  display: grid; gap: var(--sp-tile);
  grid-template-columns: repeat(auto-fit, minmax(min(200px,100%), 1fr));
  margin-top: var(--sp-shoji);
}
[data-design="a"] .rf-about__photos img {
  width: 100%; height: auto; object-fit: cover;
  border-radius: var(--r-stone); box-shadow: var(--elev-flat);
}
[data-design="a"] .rf-ambient-b.is-paused .rf-kanji__stroke {
  animation-play-state: paused;
}

/* ═══════════════════════════════════════════════
   E6 — POINTER  (hydraulic-warm, vertical copper-fill line + drip)
   Rendered at opacity:1, bbox height ≥ 8px
═══════════════════════════════════════════════ */
[data-design="a"] .rf-pointer {
  display: flex; justify-content: center; align-items: center;
  padding: clamp(40px, 8vw, 80px) 16px clamp(56px, 10vw, 96px);
  background: var(--mizu-shiro);
  /* Visible at first paint — opacity:1, min-height ensures bbox */
  opacity: 1; min-height: 180px;
}
[data-design="a"] .rf-pointer__hit {
  position: relative; display: inline-block;
  width: 2px; height: 96px;
  text-decoration: none;
  color: var(--mizu-hinoki);
}
[data-design="a"] .rf-pointer__pipe {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 0%, var(--mizu-hinoki) 100%);
  transform-origin: top center;
  animation: a-pointer-fill 5s ease-in-out infinite;
  opacity: 0.7;
}
[data-design="a"] .rf-pointer__drop {
  position: absolute; left: 50%; bottom: -4px;
  width: 10px; height: 12px; margin-left: -5px;
  background: var(--mizu-hinoki);
  border-radius: 50% 50% 50% 50% / 60% 60% 40% 40%;
  transform: translateY(-72px) scale(0.4);
  opacity: 0;
  animation: a-pointer-drip 5s ease-in infinite;
}
@keyframes a-pointer-fill {
  0%,100% { transform: scaleY(0.35); opacity: 0.45; }
  60%     { transform: scaleY(1);    opacity: 0.90; }
}
@keyframes a-pointer-drip {
  0%,55%  { transform: translateY(-72px) scale(0.4); opacity: 0; }
  70%     { transform: translateY(-72px) scale(1);   opacity: 1; }
  92%     { transform: translateY(0)     scale(1);   opacity: 1; }
  100%    { transform: translateY(0)     scale(0.2); opacity: 0; }
}

/* ═══════════════════════════════════════════════
   E5 — FUNNEL
═══════════════════════════════════════════════ */
[data-design="a"] .rf-interactive {
  padding: var(--sp-yu) clamp(20px, 5vw, 56px);
  background: var(--mizu-cream);
}
[data-design="a"] .rf-interactive__head {
  max-width: 680px; margin-bottom: var(--sp-tatami);
}
[data-design="a"] .rf-interactive__head h2 {
  font-family: var(--font-display); font-size: clamp(28px, 4.5vw, 44px);
  margin: 0 0 var(--sp-tile); color: var(--mizu-sumi); line-height: 1.15;
}
[data-design="a"] .rf-interactive__lede {
  font-size: 17px; line-height: 1.6; color: var(--mizu-sumi); max-width: 56ch; margin: 0;
}
[data-design="a"] .rf-funnel { max-width: 860px; }

/* Step visibility */
[data-design="a"] .rf-funnel__step[hidden] { display: none; }
[data-design="a"] .rf-funnel__step-label {
  font-family: var(--font-body); font-size: 18px; font-weight: 600;
  color: var(--mizu-sumi); margin: 0 0 var(--sp-shoji);
  display: flex; flex-direction: column; gap: var(--sp-drop);
}
[data-design="a"] .rf-funnel__step-num {
  font-family: var(--font-mono); font-size: 11px; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--mizu-asagi);
}
[data-design="a"] .rf-funnel__chips {
  display: flex; flex-wrap: wrap; gap: var(--sp-step);
  margin-bottom: var(--sp-shoji);
}
[data-design="a"] .rf-funnel__chip {
  appearance: none; border: 1px solid var(--mizu-aizome);
  background: transparent; cursor: pointer;
  padding: 10px 18px; min-height: 44px;
  font-family: var(--font-body); font-size: 14px;
  color: var(--mizu-aizome); border-radius: var(--r-tile);
  transition: background var(--dur-drop) var(--motion-settle),
              color     var(--dur-drop) var(--motion-settle);
  text-align: left;
}
[data-design="a"] .rf-funnel__chip:hover {
  background: var(--mizu-aizome); color: var(--mizu-shiro);
}
[data-design="a"] .rf-funnel__chip[aria-checked="true"] {
  background: var(--mizu-aizome); color: var(--mizu-shiro);
}
[data-design="a"] .rf-funnel__chip:focus-visible {
  outline: none; box-shadow: 0 0 0 3px var(--mizu-mizu);
}
[data-design="a"] .rf-funnel__emergency {
  padding: var(--sp-tile) var(--sp-shoji);
  background: var(--mizu-shiro); border: 1px solid var(--mizu-hinoki);
  border-radius: var(--r-stone); margin-bottom: var(--sp-shoji);
}
[data-design="a"] .rf-funnel__emergency[hidden] { display: none; }
[data-design="a"] .rf-funnel__emergency p { margin: 0; font-size: 15px; }
[data-design="a"] .rf-funnel__emergency a { color: var(--mizu-aizome); }
[data-design="a"] .rf-funnel__area-note {
  font-size: 13px; color: var(--mizu-asagi); margin: var(--sp-step) 0 var(--sp-shoji);
  max-width: 52ch;
}
[data-design="a"] .rf-funnel__nav {
  display: flex; gap: var(--sp-tile); flex-wrap: wrap; margin-top: var(--sp-tile);
}

/* Form fields */
[data-design="a"] .rf-field {
  display: flex; flex-direction: column; gap: 6px;
  margin-bottom: var(--sp-tile);
}
[data-design="a"] .rf-field__label {
  font-family: var(--font-body); font-size: 11px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--mizu-asagi);
}
[data-design="a"] .rf-field__input {
  appearance: none; background: var(--mizu-shiro); color: var(--mizu-sumi);
  border: 0; border-bottom: 1px solid var(--mizu-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);
  width: 100%;
}
[data-design="a"] .rf-field__input--area {
  min-height: 80px; resize: vertical;
}
[data-design="a"] .rf-field__input:focus-visible {
  outline: none;
  border-bottom-color: var(--mizu-asagi);
  box-shadow: 0 1px 0 0 var(--mizu-asagi);
}

/* Buttons */
[data-design="a"] .rf-stamp {
  appearance: none; cursor: pointer;
  padding: 14px 24px; min-height: 44px; min-width: 44px;
  font-family: var(--font-body); font-size: 13px; letter-spacing: 0.10em;
  text-transform: uppercase; border-radius: var(--r-tile);
  border: 1px solid var(--mizu-aizome);
  transition: background var(--dur-drop) var(--motion-settle),
              color     var(--dur-drop) var(--motion-settle),
              transform var(--dur-drop) var(--motion-settle);
}
[data-design="a"] .rf-stamp--primary {
  background: var(--mizu-aizome); color: var(--mizu-shiro);
}
[data-design="a"] .rf-stamp--primary:hover:not(:disabled) {
  background: var(--mizu-asagi);
}
[data-design="a"] .rf-stamp--primary:disabled {
  opacity: 0.45; cursor: not-allowed;
}
[data-design="a"] .rf-stamp--ghost {
  background: transparent; color: var(--mizu-sumi);
}
[data-design="a"] .rf-stamp--ghost:hover { background: var(--mizu-mist); }
[data-design="a"] .rf-stamp:focus-visible {
  outline: none; box-shadow: 0 0 0 3px var(--mizu-mizu);
}
[data-design="a"] .rf-stamp:active { transform: translateY(1px); }

/* Done state */
[data-design="a"] .rf-funnel__done {
  padding: var(--sp-yu) clamp(20px, 4vw, 40px);
  background: var(--mizu-shiro); border: 1px solid var(--mizu-mist);
  border-radius: var(--r-stone); text-align: center;
  opacity: 0; translate: 0 8px;
  transition: opacity var(--dur-unfurl) var(--motion-unfurl),
              translate var(--dur-unfurl) var(--motion-unfurl);
}
[data-design="a"] .rf-funnel__done[hidden] { display: none; }
[data-design="a"] .rf-funnel.is-done .rf-funnel__done { opacity: 1; translate: 0 0; }
[data-design="a"] .rf-funnel__done h3 {
  font-family: var(--font-display); font-size: clamp(24px, 3.2vw, 32px);
  color: var(--mizu-sumi); margin: var(--sp-tile) 0 var(--sp-step);
}
[data-design="a"] .rf-funnel__done p { font-size: 17px; max-width: 48ch; margin: 0 auto; }
[data-design="a"] .rf-funnel__done a { color: var(--mizu-aizome); }
[data-design="a"] .rf-hanko {
  display: inline-flex; align-items: center; justify-content: center;
  width: 64px; height: 64px; border-radius: 50%;
  background: var(--mizu-akane); color: var(--mizu-shiro);
  font-family: var(--font-display); font-size: 34px;
  transform: scale(0.6) rotate(-6deg); opacity: 0;
  transition: transform 420ms var(--motion-settle),
              opacity   420ms var(--motion-settle);
}
[data-design="a"] .rf-funnel.is-done .rf-hanko {
  transform: scale(1) rotate(-6deg); opacity: 1;
}
[data-design="a"] .rf-funnel__trust {
  margin-top: var(--sp-tatami); padding-top: var(--sp-shoji);
  border-top: 1px solid var(--mizu-mist);
  font-family: var(--font-mono); font-size: 12px; letter-spacing: 0.06em;
  color: var(--mizu-asagi);
}
[data-design="a"] .rf-funnel__trust p { margin: 0 0 var(--sp-step); }
[data-design="a"] .rf-funnel__trust a { color: var(--mizu-aizome); }

/* ═══════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════ */
[data-design="a"] .rf-footer {
  background: var(--mizu-aizome); color: var(--mizu-shiro);
  padding: var(--sp-ma) clamp(20px, 5vw, 56px) var(--sp-shoji);
  border-top: 3px solid var(--mizu-hinoki);
}
[data-design="a"] .rf-footer__inner {
  display: grid; gap: var(--sp-tatami);
  grid-template-columns: repeat(auto-fit, minmax(min(220px,100%), 1fr));
  max-width: 1180px; margin: 0 auto var(--sp-tatami);
}
[data-design="a"] .rf-footer__col {
  display: flex; flex-direction: column; gap: var(--sp-step);
}
[data-design="a"] .rf-footer__col p { margin: 0; font-size: 14px; line-height: 1.6; }
[data-design="a"] .rf-footer__firm {
  font-family: var(--font-display); font-size: clamp(18px, 2vw, 22px) !important;
  font-weight: 500; margin-bottom: var(--sp-step) !important;
}
[data-design="a"] .rf-footer__label {
  font-family: var(--font-mono); font-size: 11px !important;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--mizu-mizu); margin-bottom: var(--sp-step) !important;
}
[data-design="a"] .rf-footer__phone,
[data-design="a"] .rf-footer__email {
  color: var(--mizu-mizu); text-decoration: none; font-size: 14px;
}
[data-design="a"] .rf-footer__phone:hover,
[data-design="a"] .rf-footer__email:hover { color: var(--mizu-shiro); }
[data-design="a"] .rf-footer__photo {
  border-radius: var(--r-stone); margin-top: var(--sp-tile);
  opacity: 0.75;
}
[data-design="a"] .rf-footer__bar {
  border-top: 1px solid rgba(168,200,220,0.2);
  padding-top: var(--sp-shoji);
  max-width: 1180px; margin: 0 auto;
}
[data-design="a"] .rf-footer__bar p {
  font-size: 12px; color: var(--mizu-mizu); margin: 0;
}

/* ═══════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════ */
@media (max-width: 768px) {
  [data-design="a"] .rf-hero {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto;
    min-height: auto;
    padding-top: clamp(40px, 8vw, 80px);
    padding-bottom: clamp(40px, 8vw, 80px);
  }
  [data-design="a"] .rf-hero__photo {
    grid-row: 1; order: -1; margin-bottom: var(--sp-shoji);
  }
  [data-design="a"] .rf-hero__photo img { max-height: 260px; object-fit: cover; }
  [data-design="a"] .rf-ambient-b__grid { grid-template-columns: 1fr; }
  [data-design="a"] .rf-ripple__ring { right: clamp(56px, 18vw, 96px); }
}
@media (max-width: 480px) {
  [data-design="a"] .rf-hero { padding: var(--sp-tatami) var(--sp-shoji); }
  [data-design="a"] .rf-ambient-a { padding: var(--sp-tatami) var(--sp-shoji); }
  [data-design="a"] .rf-area { padding: var(--sp-tatami) var(--sp-shoji); }
  [data-design="a"] .rf-ambient-b { padding: var(--sp-tatami) var(--sp-shoji); }
  [data-design="a"] .rf-interactive { padding: var(--sp-tatami) var(--sp-shoji); }
  [data-design="a"] .rf-footer { padding: var(--sp-tatami) var(--sp-shoji) var(--sp-shoji); }
  [data-design="a"] .rf-logo__mark { font-size: 18px; }
}

/* ═══════════════════════════════════════════════
   REDUCED MOTION
═══════════════════════════════════════════════ */
@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-hero__wash { animation: none; opacity: 0.8; }
  [data-design="a"] .rf-hero__halo { animation: none; opacity: 0.7; }
  [data-design="a"] .rf-pipe-h,
  [data-design="a"] .rf-pipe-v--1,
  [data-design="a"] .rf-pipe-v--2,
  [data-design="a"] .rf-pipe-v--3 {
    animation: none; stroke-dashoffset: 0;
  }
  [data-design="a"] .rf-pipe-joint,
  [data-design="a"] .rf-gauge,
  [data-design="a"] .rf-gauge__needle,
  [data-design="a"] .rf-gauge__pivot { animation: none; opacity: 0.7; }
  [data-design="a"] .rf-cta__drop,
  [data-design="a"] .rf-cta__ripple { animation: none; opacity: 1; transform: none; }
  [data-design="a"] .rf-tile::before { animation: none; opacity: 0.2; }
  [data-design="a"] .rf-kanji__stroke { animation: none; stroke-dashoffset: 0; opacity: 0.85; }
  [data-design="a"] .rf-pointer__pipe,
  [data-design="a"] .rf-pointer__drop { animation: none; opacity: 0.6; transform: none; }
  [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-funnel__done,
  [data-design="a"] .rf-hanko { transition-duration: 0ms; }
}

/* ═══════════════════════════════════════════════
   MOBILE NO-HSCROLL — modal_smoke_runnable contract
   Append at BOTTOM, scoped to .dq-design
═══════════════════════════════════════════════ */
[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;
}

/* 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; }