/* ============================================
   内田塗装 — Uchida Painting
   Luxury LP — black / brown / gold
   ============================================ */

:root {
  --bg: #1a1210;
  --bg-2: #281a14;
  --bg-3: #32221a;
  --paper: #f4efe8;
  --paper-2: #e8ddcb;
  --ink: #1a1210;
  --ink-soft: #5a4a3e;
  --gold: #c9a24a;
  --gold-soft: #b8923e;
  --gold-deep: #8e6c29;
  --brown: #6b4a33;
  --brown-soft: #8a6a50;
  --line: rgba(201, 162, 74, 0.25);
  --line-strong: rgba(201, 162, 74, 0.55);

  --ff-serif: "Shippori Mincho", "Noto Serif JP", "游明朝", YuMincho, serif;
  --ff-sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --ff-en: "Cormorant Garamond", "Shippori Mincho", serif;
  --ff-mono: "JetBrains Mono", "Courier New", monospace;

  --maxw: 1240px;
  --gutter: clamp(20px, 4vw, 56px);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--ff-sans);
  font-weight: 400;
  color: var(--ink);
  background: var(--paper);
  line-height: 1.8;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; background: none; border: none; color: inherit; }

/* ============================================
   Loader
   ============================================ */
.loader {
  position: fixed; inset: 0;
  background: var(--bg-2);
  z-index: 9999;
  display: grid;
  place-items: center;
  transition: opacity 0.8s ease, visibility 0.8s ease;
}
.loader.is-hidden { opacity: 0; visibility: hidden; pointer-events: none; }
.loader__inner {
  display: grid;
  gap: 24px;
  justify-items: center;
  animation: loaderFade 0.8s ease-out both;
}
.loader__logo {
  width: 120px; height: 120px;
  border-radius: 50%;
  background: var(--paper);
  display: grid; place-items: center;
  animation: loaderPulse 1.6s ease-in-out infinite;
  overflow: hidden;
}
.loader__logo img { width: 84%; height: 84%; object-fit: contain; }
.loader__bar {
  width: 180px; height: 1px;
  background: rgba(201, 162, 74, 0.2);
  overflow: hidden;
  position: relative;
}
.loader__bar::after {
  content: ""; position: absolute; inset: 0;
  background: var(--gold);
  transform-origin: left;
  animation: loaderFill 1.8s ease-in-out infinite;
}
.loader__text {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold);
  text-transform: uppercase;
}
@keyframes loaderPulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.04); }
}
@keyframes loaderFill {
  0% { transform: scaleX(0); }
  50% { transform: scaleX(1); }
  100% { transform: scaleX(0); transform-origin: right; }
}
@keyframes loaderFade {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ============================================
   Header
   ============================================ */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  display: flex; align-items: center; justify-content: space-between;
  transition: background 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease;
}
.site-header.is-scrolled {
  background: rgba(26, 18, 16, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 12px var(--gutter);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: flex; align-items: center; gap: 12px;
  color: var(--paper);
}
.brand__mark {
  width: 44px; height: 44px;
  background: var(--paper);
  border-radius: 4px;
  display: grid; place-items: center;
  overflow: hidden;
  flex-shrink: 0;
}
.brand__mark img { width: 88%; height: 88%; object-fit: contain; }
.brand__text { line-height: 1.15; }
.brand__name-en {
  font-family: var(--ff-en);
  font-size: 18px;
  letter-spacing: 0.28em;
  color: var(--gold);
  font-weight: 500;
}
.brand__name-jp {
  font-family: var(--ff-serif);
  font-size: 11px;
  letter-spacing: 0.25em;
  color: var(--paper);
  margin-top: 2px;
}

.nav {
  display: flex; align-items: center; gap: 36px;
}
.nav__list {
  display: flex; gap: 28px;
  list-style: none;
}
.nav__link {
  color: var(--paper);
  font-size: 13px;
  letter-spacing: 0.18em;
  font-family: var(--ff-serif);
  position: relative;
  padding: 6px 0;
  transition: color 0.3s;
}
.nav__link::after {
  content: ""; position: absolute;
  left: 50%; bottom: 0;
  width: 0; height: 1px;
  background: var(--gold);
  transition: width 0.3s ease, left 0.3s ease;
}
.nav__link:hover { color: var(--gold); }
.nav__link:hover::after { width: 100%; left: 0; }

.nav__cta {
  background: var(--gold);
  color: var(--bg-2);
  padding: 12px 22px;
  font-size: 12px;
  letter-spacing: 0.22em;
  font-weight: 600;
  transition: background 0.3s, transform 0.3s;
}
.nav__cta:hover { background: var(--paper); transform: translateY(-2px); }

.menu-toggle {
  display: none;
  width: 36px; height: 36px;
  flex-direction: column; justify-content: center; gap: 6px;
  align-items: center;
}
.menu-toggle span {
  width: 24px; height: 1px; background: var(--paper);
  transition: transform 0.3s, opacity 0.3s;
}
.menu-toggle.is-open span:nth-child(1) { transform: translateY(3.5px) rotate(45deg); }
.menu-toggle.is-open span:nth-child(2) { opacity: 0; }
.menu-toggle.is-open span:nth-child(3) { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav__list, .nav__cta { display: none; }
  .menu-toggle { display: flex; }
  .nav.is-open .nav__list {
    display: flex;
    position: fixed; top: 72px; left: 0; right: 0;
    background: rgba(26,18,16,0.98);
    flex-direction: column;
    gap: 0;
    padding: 20px var(--gutter) 32px;
    border-bottom: 1px solid var(--line);
  }
  .nav.is-open .nav__link {
    display: block;
    padding: 18px 0;
    border-bottom: 1px solid var(--line);
    font-size: 14px;
  }
  .nav.is-open .nav__cta {
    display: inline-block;
    margin-top: 20px;
    align-self: flex-start;
  }
}

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  background: var(--bg-2);
  color: var(--paper);
  overflow: hidden;
  display: flex; align-items: center;
  padding: 140px var(--gutter) 100px;
}
.hero__bg {
  position: absolute; inset: 0;
  background:
    radial-gradient(1200px 600px at 85% 20%, rgba(201,162,74,0.14), transparent 60%),
    radial-gradient(900px 500px at 10% 90%, rgba(107,74,51,0.35), transparent 65%),
    linear-gradient(160deg, #1a1210 0%, #281a14 60%, #3a2618 100%);
}
.hero__grain {
  position: absolute; inset: 0;
  opacity: 0.18;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(45deg, transparent 0 2px, rgba(201,162,74,0.03) 2px 3px);
}
.hero__inner {
  position: relative;
  max-width: var(--maxw);
  width: 100%;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 80px;
  align-items: center;
}
.hero__label {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: 0.4em;
  color: var(--gold);
  margin-bottom: 32px;
  text-transform: uppercase;
}
.hero__label::before {
  content: ""; display: block;
  width: 48px; height: 1px; background: var(--gold);
}
.hero__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: clamp(36px, 5.2vw, 68px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  margin-bottom: 36px;
}
.hero__title .accent { color: var(--gold); }
.hero__title .thin { font-weight: 300; }
.hero__sub {
  font-size: 15px;
  line-height: 2.1;
  color: rgba(244,239,232,0.82);
  margin-bottom: 48px;
  max-width: 520px;
}
.hero__ctas {
  display: flex; gap: 16px; flex-wrap: wrap;
}
.btn {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 18px 32px;
  font-size: 13px;
  letter-spacing: 0.22em;
  font-family: var(--ff-serif);
  transition: transform 0.3s, background 0.3s, color 0.3s, border-color 0.3s;
}
.btn--gold {
  background: var(--gold);
  color: var(--bg-2);
  font-weight: 600;
}
.btn--gold:hover { background: var(--paper); transform: translateY(-3px); }
.btn--ghost {
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line-strong);
}
.btn--ghost:hover { border-color: var(--gold); color: var(--gold); transform: translateY(-3px); }
.btn__arrow {
  width: 22px; height: 1px; background: currentColor; position: relative;
  transition: width 0.3s;
}
.btn__arrow::after {
  content: ""; position: absolute; right: 0; top: -3px;
  width: 8px; height: 8px;
  border-top: 1px solid currentColor;
  border-right: 1px solid currentColor;
  transform: rotate(45deg);
}
.btn:hover .btn__arrow { width: 30px; }

.hero__visual {
  position: relative;
  aspect-ratio: 3/4;
  max-height: 640px;
}
.hero__frame {
  position: absolute; inset: 0;
  border: 1px solid var(--line-strong);
  transform: translate(24px, 24px);
}
.hero__image {
  position: absolute; inset: 0;
  background:
    repeating-linear-gradient(135deg, #2a1c14 0 24px, #32221a 24px 48px);
  display: grid; place-items: center;
  overflow: hidden;
}
.hero__image::before {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 40%, rgba(26,18,16,0.7) 100%);
}
.hero__image-caption {
  position: relative;
  font-family: var(--ff-mono);
  font-size: 11px;
  color: rgba(244,239,232,0.55);
  letter-spacing: 0.15em;
  text-align: center;
  padding: 20px;
}
.hero__meta {
  position: absolute;
  bottom: -1px; left: -1px; right: -1px;
  padding: 20px 24px;
  background: rgba(26,18,16,0.92);
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: baseline;
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--gold);
  text-transform: uppercase;
}
.hero__meta span:last-child { color: rgba(244,239,232,0.55); }

.hero__scroll {
  position: absolute;
  left: var(--gutter);
  bottom: 32px;
  display: flex; align-items: center; gap: 12px;
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(244,239,232,0.5);
  text-transform: uppercase;
}
.hero__scroll::after {
  content: ""; width: 60px; height: 1px;
  background: linear-gradient(90deg, var(--gold), transparent);
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: left;
}
@keyframes scrollLine {
  0%, 100% { transform: scaleX(0.3); opacity: 0.4; }
  50% { transform: scaleX(1); opacity: 1; }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: 56px; }
  .hero__visual { aspect-ratio: 4/5; max-width: 420px; margin: 0 auto; }
  .hero__scroll { display: none; }
}

/* ============================================
   Section primitives
   ============================================ */
section { position: relative; }
.section {
  padding: clamp(80px, 10vw, 140px) var(--gutter);
}
.section__inner { max-width: var(--maxw); margin: 0 auto; }

.section-head {
  display: grid;
  gap: 18px;
  margin-bottom: 80px;
}
.section-head--center { justify-items: center; text-align: center; }
.eyebrow {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: 0.45em;
  color: var(--gold-deep);
  text-transform: uppercase;
  display: inline-flex; align-items: center; gap: 14px;
}
.eyebrow::before {
  content: ""; width: 32px; height: 1px; background: var(--gold-deep);
}
.section-head--center .eyebrow::after {
  content: ""; width: 32px; height: 1px; background: var(--gold-deep);
}
.section-title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: clamp(28px, 3.6vw, 44px);
  line-height: 1.45;
  letter-spacing: 0.05em;
  color: var(--bg-2);
  max-width: 820px;
}
.section-head--center .section-title { text-align: center; }
.section-title .accent { color: var(--gold-deep); }

.section--dark {
  background: var(--bg-2);
  color: var(--paper);
}
.section--dark .section-title { color: var(--paper); }
.section--dark .eyebrow { color: var(--gold); }
.section--dark .eyebrow::before,
.section--dark .eyebrow::after { background: var(--gold); }

/* Dark backgrounds — override section title color for readability */
.flow .section-title,
.strengths .section-title,
.contact .section-title,
.contact .contact__title {
  color: var(--paper);
}
.flow .eyebrow,
.strengths .eyebrow,
.contact .eyebrow {
  color: var(--gold);
}
.flow .eyebrow::before,
.flow .eyebrow::after,
.strengths .eyebrow::before,
.strengths .eyebrow::after,
.contact .eyebrow::before,
.contact .eyebrow::after {
  background: var(--gold);
}
.flow .section-title .accent,
.strengths .section-title .accent,
.contact .contact__title .accent {
  color: var(--gold);
}

/* ============================================
   Introduction (philosophy / president)
   ============================================ */
.intro {
  background: var(--paper);
}
.intro__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(40px, 6vw, 100px);
  align-items: center;
  margin-bottom: clamp(80px, 10vw, 140px);
}
.intro__row:last-child { margin-bottom: 0; }
.intro__row--rev { grid-template-columns: 1fr 1fr; }
.intro__row--rev .intro__media { order: 2; }

.intro__media {
  aspect-ratio: 4/5;
  position: relative;
  background: var(--bg-3);
  overflow: hidden;
}
.intro__media::before {
  content: ""; position: absolute; inset: 0;
  background:
    repeating-linear-gradient(45deg, transparent 0 28px, rgba(201,162,74,0.06) 28px 29px);
}
.intro__media-caption {
  position: absolute; bottom: 16px; left: 16px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: rgba(244,239,232,0.5);
}
.intro__media-num {
  position: absolute; top: 20px; right: 20px;
  font-family: var(--ff-en);
  font-size: 64px;
  color: rgba(201,162,74,0.45);
  line-height: 1;
  font-weight: 300;
}

.intro__body .eyebrow { margin-bottom: 24px; }
.intro__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: clamp(26px, 3vw, 36px);
  line-height: 1.55;
  letter-spacing: 0.04em;
  margin-bottom: 28px;
  color: var(--bg-2);
}
.intro__text {
  font-size: 15px;
  line-height: 2.1;
  color: var(--ink-soft);
  margin-bottom: 28px;
}
.intro__sign {
  display: flex; align-items: center; gap: 16px;
  font-family: var(--ff-serif);
  font-size: 14px;
  color: var(--brown);
}
.intro__sign-label {
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  padding-right: 16px;
  border-right: 1px solid var(--line-strong);
}
.intro__sign-name {
  font-size: 16px;
  letter-spacing: 0.12em;
}
.intro__sign-name strong { font-weight: 600; color: var(--bg-2); font-size: 18px; margin-left: 6px; }

@media (max-width: 820px) {
  .intro__row, .intro__row--rev { grid-template-columns: 1fr; gap: 40px; }
  .intro__row--rev .intro__media { order: 0; }
  .intro__media { max-width: 480px; margin: 0 auto; width: 100%; }
}

/* ============================================
   Strengths (about us — 4 pillars)
   ============================================ */
.strengths {
  background: var(--bg-2);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.strengths__bg-text {
  position: absolute;
  top: 80px; right: -40px;
  font-family: var(--ff-en);
  font-size: clamp(120px, 18vw, 240px);
  line-height: 1;
  font-weight: 300;
  color: rgba(201,162,74,0.06);
  letter-spacing: -0.02em;
  pointer-events: none;
  user-select: none;
}
.strengths__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--line);
  border-left: 1px solid var(--line);
}
.strength {
  padding: 48px 36px 52px;
  border-right: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 24px;
  position: relative;
  transition: background 0.4s;
}
.strength:hover { background: rgba(201,162,74,0.04); }
.strength__num {
  font-family: var(--ff-en);
  font-size: 56px;
  font-weight: 300;
  line-height: 1;
  letter-spacing: 0;
  color: var(--gold);
}
.strength__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: 22px;
  line-height: 1.55;
  letter-spacing: 0.04em;
}
.strength__text {
  font-size: 13px;
  line-height: 2;
  color: rgba(244,239,232,0.72);
}
.strength__line {
  width: 32px; height: 1px; background: var(--gold);
}

@media (max-width: 1000px) {
  .strengths__grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .strengths__grid { grid-template-columns: 1fr; }
  .strength { padding: 36px 28px; }
}

/* ============================================
   Services / Pricing
   ============================================ */
.services {
  background: var(--paper);
}
.services__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  margin-bottom: 64px;
}
.service-card {
  background: #fff;
  border: 1px solid rgba(40,26,20,0.08);
  padding: 48px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
}
.service-card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px rgba(40,26,20,0.08); }
.service-card::before {
  content: ""; position: absolute;
  top: 0; left: 0; width: 3px; height: 40%;
  background: var(--gold);
}
.service-card__label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--gold-deep);
  margin-bottom: 12px;
}
.service-card__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: 26px;
  line-height: 1.5;
  letter-spacing: 0.04em;
  color: var(--bg-2);
  margin-bottom: 24px;
}
.service-card__media {
  aspect-ratio: 16/9;
  background:
    repeating-linear-gradient(135deg, #e8ddcb 0 20px, #ddd0b8 20px 40px);
  margin: 0 -48px 32px;
  display: grid; place-items: center;
  color: var(--brown);
  font-family: var(--ff-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
}
.service-card__price {
  display: flex; align-items: baseline; gap: 10px;
  padding-top: 24px;
  border-top: 1px solid rgba(40,26,20,0.08);
}
.service-card__price-label {
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.14em;
}
.service-card__price-value {
  font-family: var(--ff-serif);
  font-size: 36px;
  font-weight: 500;
  color: var(--bg-2);
  letter-spacing: 0.02em;
}
.service-card__price-value .yen { font-size: 16px; margin-right: 2px; font-weight: 400; }
.service-card__price-value .unit { font-size: 14px; color: var(--ink-soft); margin-left: 6px; font-weight: 400; }
.service-card__note {
  font-size: 12px;
  color: var(--ink-soft);
  margin-top: 10px;
  line-height: 1.8;
}

/* -------- Warranty block -------- */
.warranty {
  margin: 72px 0 48px;
  padding: 56px clamp(28px, 5vw, 64px);
  background: var(--bg-2);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.warranty::before {
  content: "";
  position: absolute; inset: 0;
  background: radial-gradient(600px 300px at 85% 20%, rgba(201,162,74,0.14), transparent 60%);
  pointer-events: none;
}
.warranty__head {
  position: relative;
  margin-bottom: 40px;
  display: grid;
  gap: 12px;
}
.warranty__head .eyebrow { color: var(--gold); }
.warranty__head .eyebrow::before { background: var(--gold); }
.warranty__lede {
  font-family: var(--ff-serif);
  font-size: 18px;
  letter-spacing: 0.04em;
  color: rgba(244,239,232,0.88);
  line-height: 1.7;
}
.warranty__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1px 1fr;
  gap: clamp(24px, 4vw, 56px);
  align-items: center;
}
.warranty__divider {
  width: 1px;
  height: 100%;
  background: var(--line-strong);
}
.warranty__item {
  display: grid;
  gap: 10px;
}
.warranty__item-label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.32em;
  color: var(--gold);
  text-transform: uppercase;
}
.warranty__item-name {
  font-family: var(--ff-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--paper);
}
.warranty__item-years {
  display: flex;
  align-items: baseline;
  gap: 10px;
  margin-top: 6px;
}
.warranty__num {
  font-family: var(--ff-en);
  font-size: 72px;
  font-weight: 300;
  color: var(--gold);
  line-height: 1;
  letter-spacing: 0;
}
.warranty__unit {
  font-family: var(--ff-serif);
  font-size: 16px;
  color: rgba(244,239,232,0.75);
  letter-spacing: 0.1em;
}
@media (max-width: 720px) {
  .warranty__grid {
    grid-template-columns: 1fr;
  }
  .warranty__divider {
    width: 100%;
    height: 1px;
  }
}

.services__foot {
  border-top: 1px solid rgba(40,26,20,0.12);
  padding-top: 40px;
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}
.services__note {
  font-size: 13px;
  color: var(--ink-soft);
  line-height: 1.9;
  max-width: 620px;
}
.services__note strong { color: var(--gold-deep); font-weight: 600; }

.badge-invoice {
  display: inline-flex; align-items: center; gap: 14px;
  padding: 14px 22px;
  border: 1px solid var(--gold);
  color: var(--gold-deep);
  font-size: 12px;
  letter-spacing: 0.2em;
  font-family: var(--ff-serif);
  background: rgba(201,162,74,0.06);
}
.badge-invoice__mark {
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--gold);
  color: #fff;
  font-family: var(--ff-en);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.1em;
  display: grid; place-items: center;
}

@media (max-width: 820px) {
  .services__grid { grid-template-columns: 1fr; }
  .service-card { padding: 36px; }
  .service-card__media { margin: 0 -36px 28px; }
}

/* ============================================
   Flow
   ============================================ */
.flow {
  background: var(--bg-3);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.flow::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(1000px 500px at 20% 0%, rgba(201,162,74,0.1), transparent 60%);
  pointer-events: none;
}
.flow__list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  position: relative;
  counter-reset: step;
}
.flow__line {
  position: absolute;
  top: 40px; left: 8%; right: 8%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line-strong) 10%, var(--line-strong) 90%, transparent);
  z-index: 0;
}
.flow-step {
  position: relative;
  padding: 0 16px;
  z-index: 1;
}
.flow-step__dot {
  width: 80px; height: 80px;
  border-radius: 50%;
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  display: grid; place-items: center;
  margin: 0 auto 28px;
  font-family: var(--ff-en);
  font-size: 22px;
  color: var(--gold);
  font-weight: 300;
  position: relative;
  transition: border-color 0.3s, background 0.3s;
}
.flow-step:hover .flow-step__dot {
  border-color: var(--gold);
  background: rgba(201,162,74,0.08);
}
.flow-step__label {
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-align: center;
  margin-bottom: 10px;
  text-transform: uppercase;
}
.flow-step__title {
  font-family: var(--ff-serif);
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.04em;
  text-align: center;
  margin-bottom: 12px;
}
.flow-step__text {
  font-size: 13px;
  line-height: 1.95;
  color: rgba(244,239,232,0.72);
  text-align: center;
}

@media (max-width: 860px) {
  .flow__list { grid-template-columns: 1fr 1fr; gap: 40px 0; }
  .flow__line { display: none; }
}
@media (max-width: 480px) {
  .flow__list { grid-template-columns: 1fr; }
}

/* ============================================
   Works / gallery
   ============================================ */
.works { background: var(--paper-2); }
.works__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 180px;
  gap: 16px;
}
.work {
  position: relative;
  overflow: hidden;
  background: var(--bg-3);
}
.work::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg, #32221a 0 22px, #3c2a1f 22px 44px);
}
.work::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(26,18,16,0.85));
  opacity: 0; transition: opacity 0.4s;
}
.work:hover::after { opacity: 1; }
.work__caption {
  position: absolute; bottom: 20px; left: 20px; right: 20px;
  color: var(--paper);
  transform: translateY(12px);
  opacity: 0;
  transition: all 0.4s;
}
.work:hover .work__caption { transform: translateY(0); opacity: 1; }
.work__caption-label {
  font-family: var(--ff-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 4px;
}
.work__caption-title {
  font-family: var(--ff-serif);
  font-size: 15px;
  letter-spacing: 0.04em;
}
.work__tag {
  position: absolute;
  top: 14px; left: 14px;
  font-family: var(--ff-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: rgba(244,239,232,0.55);
  background: rgba(26,18,16,0.6);
  padding: 5px 10px;
}

.work--a { grid-column: span 3; grid-row: span 2; }
.work--b { grid-column: span 3; grid-row: span 1; }
.work--c { grid-column: span 2; grid-row: span 1; }
.work--d { grid-column: span 1; grid-row: span 1; }
.work--e { grid-column: span 2; grid-row: span 1; }
.work--f { grid-column: span 4; grid-row: span 1; }

@media (max-width: 820px) {
  .works__grid { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 160px; }
  .work--a, .work--b, .work--c, .work--d, .work--e, .work--f {
    grid-column: span 1; grid-row: span 1;
  }
  .work--a { grid-column: span 2; grid-row: span 2; }
}

/* ============================================
   Voice / Testimonials
   ============================================ */
.voice { background: var(--paper); }
.voice__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.voice-card {
  background: #fff;
  padding: 40px 32px;
  border-top: 2px solid var(--gold);
  position: relative;
  transition: transform 0.3s, box-shadow 0.3s;
}
.voice-card:hover { transform: translateY(-4px); box-shadow: 0 20px 50px rgba(40,26,20,0.08); }
.voice-card__quote {
  font-family: var(--ff-en);
  font-size: 56px;
  line-height: 1;
  color: rgba(201,162,74,0.3);
  position: absolute;
  top: 14px; right: 20px;
  font-weight: 400;
}
.voice-card__title {
  font-family: var(--ff-serif);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--bg-2);
  margin-bottom: 18px;
  padding-right: 40px;
}
.voice-card__text {
  font-size: 13px;
  line-height: 2;
  color: var(--ink-soft);
  margin-bottom: 24px;
}
.voice-card__meta {
  padding-top: 20px;
  border-top: 1px solid rgba(40,26,20,0.08);
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--brown);
}

@media (max-width: 860px) {
  .voice__grid { grid-template-columns: 1fr; }
}

/* ============================================
   FAQ
   ============================================ */
.faq { background: var(--paper-2); }
.faq__list {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid rgba(40,26,20,0.12);
}
.faq-item {
  border-bottom: 1px solid rgba(40,26,20,0.12);
}
.faq-item__q {
  width: 100%;
  display: grid;
  grid-template-columns: 40px 1fr 40px;
  gap: 20px;
  align-items: center;
  padding: 28px 4px;
  text-align: left;
  transition: color 0.3s;
}
.faq-item__q:hover { color: var(--gold-deep); }
.faq-item__mark {
  font-family: var(--ff-en);
  font-size: 22px;
  color: var(--gold-deep);
  font-weight: 400;
}
.faq-item__text {
  font-family: var(--ff-serif);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--bg-2);
  line-height: 1.6;
}
.faq-item__toggle {
  width: 24px; height: 24px;
  position: relative;
  justify-self: end;
}
.faq-item__toggle::before,
.faq-item__toggle::after {
  content: ""; position: absolute;
  background: var(--gold-deep);
  transition: transform 0.3s;
}
.faq-item__toggle::before {
  left: 0; right: 0; top: 50%; height: 1px; transform: translateY(-50%);
}
.faq-item__toggle::after {
  top: 0; bottom: 0; left: 50%; width: 1px; transform: translateX(-50%);
}
.faq-item.is-open .faq-item__toggle::after { transform: translateX(-50%) rotate(90deg); }

.faq-item__a {
  max-height: 0; overflow: hidden;
  transition: max-height 0.4s ease, padding 0.4s ease;
}
.faq-item.is-open .faq-item__a {
  max-height: 600px;
  padding: 0 60px 32px;
}
.faq-item__a-inner {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 20px;
  padding-top: 4px;
  border-top: 1px dashed rgba(40,26,20,0.12);
  padding-top: 24px;
}
.faq-item__a-mark {
  font-family: var(--ff-en);
  font-size: 22px;
  color: var(--brown);
  font-weight: 400;
}
.faq-item__a-text {
  font-size: 14px;
  line-height: 2.05;
  color: var(--ink-soft);
}

/* ============================================
   Contact / CTA
   ============================================ */
.contact {
  background: var(--bg-2);
  color: var(--paper);
  position: relative;
  overflow: hidden;
}
.contact::before {
  content: "";
  position: absolute; inset: 0;
  background:
    radial-gradient(800px 400px at 80% 30%, rgba(201,162,74,0.12), transparent 60%);
}
.contact__inner { position: relative; }
.contact__head {
  text-align: center;
  margin-bottom: 64px;
}
.contact__title {
  font-family: var(--ff-serif);
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.05em;
  margin-bottom: 24px;
}
.contact__title .accent { color: var(--gold); }
.contact__text {
  font-size: 14px;
  line-height: 2.1;
  color: rgba(244,239,232,0.75);
  max-width: 600px;
  margin: 0 auto;
}

.contact__channels {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.channel {
  padding: 40px 28px;
  border: 1px solid var(--line);
  text-align: left;
  display: grid;
  gap: 16px;
  background: rgba(26,18,16,0.3);
  transition: transform 0.3s, border-color 0.3s, background 0.3s;
  position: relative;
}
.channel:hover {
  transform: translateY(-4px);
  border-color: var(--gold);
  background: rgba(201,162,74,0.06);
}
.channel__rank {
  position: absolute; top: 16px; right: 20px;
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--gold);
}
.channel__icon {
  width: 44px; height: 44px;
  border: 1px solid var(--gold);
  display: grid; place-items: center;
  font-family: var(--ff-serif);
  font-size: 18px;
  color: var(--gold);
  font-weight: 500;
  letter-spacing: 0;
}
.channel__label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold);
  text-transform: uppercase;
}
.channel__value {
  font-family: var(--ff-serif);
  font-size: 17px;
  letter-spacing: 0.06em;
  word-break: break-word;
  color: var(--paper);
}
.channel__note {
  font-size: 12px;
  color: rgba(244,239,232,0.55);
  line-height: 1.7;
}
.channel--primary {
  background: rgba(201,162,74,0.1);
  border-color: var(--gold);
}

@media (max-width: 900px) {
  .contact__channels { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .contact__channels { grid-template-columns: 1fr; }
}

/* ============================================
   Company info
   ============================================ */
.company { background: var(--paper); }
.company__wrap {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: flex-start;
}
.company__table {
  width: 100%;
  border-top: 1px solid rgba(40,26,20,0.12);
}
.company__row {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 24px;
  padding: 20px 0;
  border-bottom: 1px solid rgba(40,26,20,0.08);
  align-items: baseline;
}
.company__row dt {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
}
.company__row dd {
  font-size: 14px;
  color: var(--bg-2);
  line-height: 1.9;
  letter-spacing: 0.04em;
}
.company__row dd small {
  display: block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--ink-soft);
  letter-spacing: 0.1em;
}
.company__map {
  aspect-ratio: 4/3;
  position: relative;
  border: 1px solid rgba(40,26,20,0.1);
  overflow: hidden;
}
.company__map iframe {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
}
.company__map-label {
  position: absolute; bottom: 16px; left: 16px;
  font-family: var(--ff-mono);
  font-size: 11px;
  color: var(--brown);
  letter-spacing: 0.15em;
  background: var(--paper);
  padding: 6px 10px;
  text-decoration: none;
  box-shadow: 0 2px 6px rgba(40,26,20,0.15);
  transition: color 0.2s, background 0.2s;
}
.company__map-label:hover {
  color: var(--gold);
  background: #fff;
}

@media (max-width: 860px) {
  .company__wrap { grid-template-columns: 1fr; }
  .company__row { grid-template-columns: 120px 1fr; }
}

/* ============================================
   Owner Message
   ============================================ */
.owner { background: var(--paper-2); position: relative; overflow: hidden; }
.owner::before {
  content: "MESSAGE";
  position: absolute;
  top: 40px;
  right: -20px;
  font-family: var(--ff-en);
  font-size: clamp(80px, 14vw, 200px);
  font-weight: 300;
  letter-spacing: 0.05em;
  color: rgba(201, 162, 74, 0.06);
  pointer-events: none;
  line-height: 1;
}
.owner__wrap {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(40px, 6vw, 80px);
  align-items: flex-start;
  position: relative;
}
.owner__visual {
  position: relative;
  position: sticky;
  top: 100px;
}
.owner__frame {
  position: absolute;
  inset: 16px -16px -16px 16px;
  border: 1px solid var(--gold);
  pointer-events: none;
}
.owner__image {
  aspect-ratio: 3/4;
  width: 100%;
  position: relative;
  z-index: 1;
  filter: brightness(0.97);
}
.owner__body {
  display: grid;
  gap: 22px;
}
.owner__lede {
  font-family: var(--ff-serif);
  font-size: clamp(18px, 2vw, 22px);
  font-weight: 500;
  line-height: 1.9;
  letter-spacing: 0.06em;
  color: var(--bg-2);
  padding-bottom: 8px;
}
.owner__text {
  font-size: 14px;
  line-height: 2.1;
  letter-spacing: 0.04em;
  color: var(--ink-soft);
}
.owner__highlight {
  color: var(--gold-deep);
  font-weight: 600;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
}
.owner__sign {
  margin-top: 16px;
  padding-top: 24px;
  border-top: 1px solid rgba(40,26,20,0.12);
  display: flex;
  align-items: baseline;
  gap: 16px;
  justify-content: flex-end;
}
.owner__sign-label {
  font-family: var(--ff-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--gold-deep);
  text-transform: uppercase;
}
.owner__sign-name {
  font-family: var(--ff-serif);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--bg-2);
}

@media (max-width: 860px) {
  .owner__wrap { grid-template-columns: 1fr; }
  .owner__visual { position: relative; top: 0; max-width: 360px; }
  .owner__frame { inset: 12px -12px -12px 12px; }
}

/* ============================================
   Footer
   ============================================ */
.site-footer {
  background: var(--bg);
  color: var(--paper);
  padding: 80px var(--gutter) 40px;
  border-top: 1px solid var(--line);
}
.site-footer__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--line);
}
.footer-brand { max-width: 360px; }
.footer-brand .brand { margin-bottom: 20px; }
.footer-brand__text {
  font-size: 13px;
  line-height: 2;
  color: rgba(244,239,232,0.65);
}
.footer-col__title {
  font-family: var(--ff-en);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--gold);
  margin-bottom: 20px;
  text-transform: uppercase;
}
.footer-col__list {
  list-style: none;
  display: grid;
  gap: 14px;
  font-size: 13px;
}
.footer-col__list a {
  color: rgba(244,239,232,0.75);
  transition: color 0.3s;
}
.footer-col__list a:hover { color: var(--gold); }
.footer-col__contact {
  font-family: var(--ff-serif);
  font-size: 15px;
  letter-spacing: 0.06em;
  margin-bottom: 8px;
}
.footer-col__subtle {
  font-size: 12px;
  color: rgba(244,239,232,0.55);
  line-height: 1.9;
}
.site-footer__bottom {
  max-width: var(--maxw);
  margin: 32px auto 0;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(244,239,232,0.4);
  font-family: var(--ff-en);
}

@media (max-width: 820px) {
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
}

/* ============================================
   Reveal animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s ease, transform 0.9s cubic-bezier(0.2, 0.7, 0.2, 1);
  transition-delay: var(--d, 0s);
}
.reveal.is-in { opacity: 1; transform: translateY(0); }

/* ============================================
   Floating LINE CTA (mobile)
   ============================================ */
.float-cta {
  position: fixed;
  right: 16px; bottom: 16px;
  z-index: 90;
  display: none;
  background: var(--gold);
  color: var(--bg-2);
  padding: 14px 22px;
  font-family: var(--ff-serif);
  font-size: 13px;
  letter-spacing: 0.18em;
  font-weight: 600;
  border-radius: 40px;
  box-shadow: 0 10px 30px rgba(40,26,20,0.4);
  transition: transform 0.3s;
}
.float-cta:hover { transform: translateY(-2px); }
@media (max-width: 900px) { .float-cta { display: inline-block; } }

/* ============================================
   Dark-background section title overrides
   ============================================ */
.flow .section-title,
.strengths .section-title,
.contact .contact__title,
section.flow h2,
section.strengths h2,
section.contact h2 {
  color: #f4efe8 !important;
}
.flow .section-title .accent,
.strengths .section-title .accent,
.contact .contact__title .accent {
  color: #c9a24a !important;
}
.flow .eyebrow,
.strengths .eyebrow,
.contact .eyebrow {
  color: #c9a24a !important;
}
.flow .eyebrow::before,
.flow .eyebrow::after,
.strengths .eyebrow::before,
.strengths .eyebrow::after,
.contact .eyebrow::before,
.contact .eyebrow::after {
  background: #c9a24a !important;
}

/* Strengths lede + 7-card grid */
.strengths__lede {
  color: rgba(244,239,232,0.78);
  font-size: 15px;
  line-height: 2;
  max-width: 720px;
  margin-top: 8px;
}
.strengths__grid--7 {
  grid-template-columns: repeat(3, 1fr);
}

@media (max-width: 900px) {
  .strengths__grid--7 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .strengths__grid--7 { grid-template-columns: 1fr; }
}

/* Service card lede + services lede */
.service-card__lede {
  font-size: 14px;
  line-height: 2;
  color: var(--ink-soft);
  margin: 0 0 12px;
}
.services__lede {
  color: var(--ink-soft);
  font-size: 15px;
  line-height: 2;
  text-align: center;
  max-width: 620px;
  margin: 4px auto 0;
}

/* Voice 2-card variant */
.voice__grid--2 {
  grid-template-columns: repeat(2, 1fr);
  max-width: 900px;
  margin: 0 auto;
}
@media (max-width: 860px) {
  .voice__grid--2 { grid-template-columns: 1fr; }
}

/* ============================================
   Premium pack
   ============================================ */
.premium {
  margin: 72px 0 0;
}
.premium__head {
  display: grid;
  gap: 16px;
  justify-items: center;
  text-align: center;
  margin-bottom: 48px;
}
.premium__title {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: clamp(24px, 3vw, 34px);
  line-height: 1.5;
  letter-spacing: 0.05em;
  color: var(--bg-2);
}
.premium__title .accent { color: var(--gold-deep); }
.premium__lede {
  font-size: 13px;
  line-height: 1.9;
  color: var(--ink-soft);
  max-width: 680px;
}
.premium__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.premium-card {
  background: #fff;
  border: 1px solid rgba(40,26,20,0.08);
  padding: 28px 28px 36px;
  position: relative;
  overflow: hidden;
  transition: transform 0.4s, box-shadow 0.4s;
}
.premium-card:hover { transform: translateY(-4px); box-shadow: 0 30px 60px rgba(40,26,20,0.08); }
.premium-card__media {
  aspect-ratio: 4/3;
  background: var(--paper-2);
  margin: 0 -28px 24px;
  overflow: hidden;
}
.premium-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s ease;
}
.premium-card:hover .premium-card__media img { transform: scale(1.04); }
.premium-card__num {
  font-family: var(--ff-en);
  font-size: 13px;
  letter-spacing: 0.32em;
  color: var(--gold-deep);
  margin-bottom: 10px;
}
.premium-card__name {
  font-family: var(--ff-serif);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: 0.04em;
  color: var(--bg-2);
}
.premium-card__desc {
  font-size: 13px;
  color: var(--ink-soft);
  letter-spacing: 0.08em;
  margin-top: 6px;
}
.premium-card__price {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid rgba(40,26,20,0.08);
}
.premium-card__price .num {
  font-family: var(--ff-en);
  font-size: 52px;
  font-weight: 300;
  line-height: 1;
  color: var(--gold-deep);
  letter-spacing: 0;
}
.premium-card__price .unit {
  font-family: var(--ff-serif);
  font-size: 16px;
  color: var(--bg-2);
  letter-spacing: 0.08em;
}
.premium__note {
  font-size: 12px;
  color: var(--ink-soft);
  line-height: 1.9;
  text-align: center;
  margin-top: 28px;
}
@media (max-width: 820px) {
  .premium__grid { grid-template-columns: 1fr; }
}

/* ============================================
   Makers (取り扱い塗装メーカー)
   ============================================ */
.makers {
  max-width: 880px;
  margin: 72px auto 0;
}
.makers__head {
  display: grid;
  justify-items: center;
  text-align: center;
  margin-bottom: 36px;
}
.makers__head .eyebrow::after {
  content: ""; width: 32px; height: 1px; background: var(--gold-deep);
}
.makers__grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}
.makers__item {
  background: #fff;
  border: 1px solid rgba(40,26,20,0.08);
  aspect-ratio: 3/2;
  display: grid;
  place-items: center;
  padding: 18px;
  transition: transform 0.4s, box-shadow 0.4s;
}
.makers__item:hover { transform: translateY(-3px); box-shadow: 0 24px 48px rgba(40,26,20,0.08); }
.makers__item img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
@media (max-width: 720px) {
  .makers__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 520px) {
  .makers__grid { grid-template-columns: minmax(0, 1fr); }
  .makers { max-width: 360px; }
}