/* =====================================================================
   いろどりインテリアアトリエ — Theme Stylesheet (.intr-*)
   Modern-Atelier: チャコール × アイボリー × ライトオークウッド × マスタード
   design カテゴリ初投入 / 既存 32 件と完全別軸
   ===================================================================== */

/* 1. RESET / BASE
   ===================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
}

ul, ol { list-style: none; margin: 0; padding: 0; }

a { color: inherit; text-decoration: none; }

img {
  max-width: 100%;
  display: block;
  height: auto;
}

button {
  font: inherit;
  cursor: pointer;
  background: transparent;
  border: 0;
  padding: 0;
  color: inherit;
}

/* 2. CSS VARIABLES — Modern-Atelier
   ===================================================================== */
:root {
  --intr-charcoal: #2E2E2E;
  --intr-charcoal-deep: #1A1A1A;
  --intr-charcoal-soft: #4A4A48;
  --intr-charcoal-l: #6E6E68;
  --intr-ivory: #FAF7F0;
  --intr-ivory-deep: #F0EBDB;
  --intr-ivory-soft: #FBFAF5;
  --intr-oak: #C9A37C;
  --intr-oak-deep: #A8855E;
  --intr-oak-pale: #F0E2CD;
  --intr-mustard: #C9994E;
  --intr-mustard-deep: #A87C30;
  --intr-mustard-pale: #F4E6CC;
  --intr-bg: #F5F2E9;
  --intr-cream: #FBF9F2;
  --intr-white: #FFFFFF;
  --intr-ink: #1F1F1F;
  --intr-ink-deep: #0E0E0E;
  --intr-stone: #6E6962;
  --intr-stone-l: #95918A;
  --intr-line: #E0DBD0;
  --intr-line-soft: #EFEAE0;

  --intr-font-jp: "Noto Sans JP", sans-serif;
  --intr-font-en: "EB Garamond", "Cormorant Garamond", serif;
  --intr-font-display: "EB Garamond", "Noto Serif JP", serif;
  --intr-font-mono: "Inter", system-ui, sans-serif;

  --intr-size-1: 0.78rem;
  --intr-size-2: 0.88rem;
  --intr-size-3: 1rem;
  --intr-size-4: 1.125rem;
  --intr-size-5: 1.32rem;
  --intr-size-6: 1.6rem;
  --intr-size-7: 2rem;
  --intr-size-8: clamp(1.85rem, 4vw, 2.6rem);
  --intr-size-hero: clamp(2.2rem, 5vw, 3.6rem);

  --intr-space-1: 4px;
  --intr-space-2: 8px;
  --intr-space-3: 16px;
  --intr-space-4: 24px;
  --intr-space-5: 32px;
  --intr-space-6: 48px;
  --intr-space-7: 64px;
  --intr-space-8: 96px;

  --intr-container: 1280px;
  --intr-header-h: 80px;

  --intr-radius-sm: 4px;
  --intr-radius-md: 8px;
  --intr-radius-lg: 14px;
  --intr-radius-xl: 22px;
  --intr-radius-pill: 999px;

  --intr-shadow-sm: 0 1px 3px rgba(46, 46, 46, 0.05), 0 1px 2px rgba(46, 46, 46, 0.04);
  --intr-shadow-md: 0 4px 14px rgba(46, 46, 46, 0.07), 0 2px 4px rgba(46, 46, 46, 0.04);
  --intr-shadow-lg: 0 14px 40px rgba(46, 46, 46, 0.10), 0 4px 8px rgba(46, 46, 46, 0.04);

  --intr-trans-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
  --intr-trans: 0.32s cubic-bezier(0.4, 0, 0.2, 1);
  --intr-trans-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 3. BODY
   ===================================================================== */
.intr-body {
  margin: 0;
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  line-height: 1.85;
  color: var(--intr-ink);
  background: var(--intr-ivory);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  font-feature-settings: "palt";
}

h1, h2, h3, h4, h5, h6 {
  margin: 0;
  line-height: 1.45;
  font-weight: 700;
  letter-spacing: 0.005em;
  color: var(--intr-ink);
}

p { margin: 0; }

.intr-hero__title,
.intr-greet__title,
.intr-services__title,
.intr-style__title,
.intr-process__title,
.intr-works__title,
.intr-coords__title,
.intr-materials__title,
.intr-voice__title,
.intr-news__title,
.intr-showroom__title,
.intr-access__title,
.intr-faq__title,
.intr-cta__title,
.intr-page-hero__title,
.intr-page-cta__title,
.intr-section-head__title {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.intr-eyebrow {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-weight: 500;
  font-size: var(--intr-size-3);
  letter-spacing: 0.18em;
  color: var(--intr-mustard-deep);
  text-transform: uppercase;
  margin-bottom: var(--intr-space-3);
  display: inline-block;
}

.intr-eyebrow::before {
  content: "—";
  margin-right: var(--intr-space-2);
  color: var(--intr-oak);
}

/* 4. UTILITIES
   ===================================================================== */
.intr-container {
  max-width: var(--intr-container);
  margin: 0 auto;
  padding: 0 var(--intr-space-5);
}

@media (max-width: 768px) {
  .intr-container { padding: 0 var(--intr-space-4); }
}

.intr-section { padding: var(--intr-space-8) 0; }
.intr-section--bg { background: var(--intr-bg); }
.intr-section--charcoal {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
}
.intr-section--cream { background: var(--intr-cream); }

.intr-section-head {
  text-align: center;
  margin-bottom: var(--intr-space-7);
}

.intr-section-head__title {
  font-family: var(--intr-font-display);
  font-size: var(--intr-size-8);
  font-weight: 600;
  color: var(--intr-charcoal);
  margin-bottom: var(--intr-space-3);
  letter-spacing: 0.005em;
}

.intr-section-head__title em {
  font-style: italic;
  color: var(--intr-oak-deep);
}

.intr-section-head__lead {
  font-size: var(--intr-size-4);
  line-height: 1.95;
  color: var(--intr-stone);
  max-width: 720px;
  margin: 0 auto;
}

/* 5. BUTTONS
   ===================================================================== */
.intr-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  border-radius: 0;
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 600;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: all var(--intr-trans);
  white-space: nowrap;
  min-width: 200px;
  border: 1px solid transparent;
  position: relative;
  overflow: hidden;
}

.intr-btn--primary {
  background: var(--intr-mustard);
  color: var(--intr-white);
}

.intr-btn--primary:hover {
  background: var(--intr-mustard-deep);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(168, 124, 48, 0.36);
}

.intr-btn--charcoal {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
}

.intr-btn--charcoal:hover {
  background: var(--intr-charcoal-deep);
  transform: translateY(-2px);
}

.intr-btn--oak {
  background: var(--intr-oak);
  color: var(--intr-charcoal-deep);
}

.intr-btn--oak:hover {
  background: var(--intr-oak-deep);
  color: var(--intr-white);
}

.intr-btn--ghost {
  background: transparent;
  color: var(--intr-charcoal);
  border-color: var(--intr-charcoal);
}

.intr-btn--ghost:hover {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
}

.intr-btn__arrow {
  transition: transform var(--intr-trans-fast);
}

.intr-btn:hover .intr-btn__arrow {
  transform: translateX(4px);
}

/* 6. LOADER L30 — マテリアルテクスチャ組み上げ (新)
   ===================================================================== */
.intr-loader {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: var(--intr-ivory);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--intr-space-5);
  animation: intrLoaderFade 0.5s 2.4s ease forwards;
}

.intr-loader__swatches {
  width: 120px;
  height: 120px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  grid-template-rows: 1fr 1fr;
  gap: 2px;
  position: relative;
}

.intr-loader__swatch {
  width: 100%;
  height: 100%;
  opacity: 0;
  position: relative;
  overflow: hidden;
}

.intr-loader__swatch::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(45deg, rgba(0,0,0,0.06) 25%, transparent 25%),
    linear-gradient(-45deg, rgba(0,0,0,0.06) 25%, transparent 25%);
  background-size: 8px 8px;
  background-position: 0 0, 0 4px;
}

.intr-loader__swatch--wood {
  background: var(--intr-oak);
  animation: intrSwatchSlideTL 0.6s 0.0s ease forwards;
}

.intr-loader__swatch--linen {
  background: var(--intr-ivory-deep);
  animation: intrSwatchSlideTR 0.6s 0.1s ease forwards;
}

.intr-loader__swatch--concrete {
  background: var(--intr-charcoal-soft);
  animation: intrSwatchSlideBL 0.6s 0.2s ease forwards;
}

.intr-loader__swatch--leather {
  background: var(--intr-mustard-deep);
  animation: intrSwatchSlideBR 0.6s 0.3s ease forwards;
}

.intr-loader__brand {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-6);
  font-weight: 500;
  color: var(--intr-charcoal);
  opacity: 0;
  animation: intrFadeUp 0.5s 1.4s ease forwards;
  letter-spacing: 0.04em;
  margin: 0;
}

.intr-loader__sub {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-2);
  color: var(--intr-mustard-deep);
  letter-spacing: 0.32em;
  opacity: 0;
  animation: intrFadeUp 0.5s 1.6s ease forwards;
  text-transform: uppercase;
  margin: 0;
}

@keyframes intrSwatchSlideTL {
  from { opacity: 0; transform: translate(-30px, -30px); }
  to   { opacity: 1; transform: translate(0, 0); }
}

@keyframes intrSwatchSlideTR {
  from { opacity: 0; transform: translate(30px, -30px); }
  to   { opacity: 1; transform: translate(0, 0); }
}

@keyframes intrSwatchSlideBL {
  from { opacity: 0; transform: translate(-30px, 30px); }
  to   { opacity: 1; transform: translate(0, 0); }
}

@keyframes intrSwatchSlideBR {
  from { opacity: 0; transform: translate(30px, 30px); }
  to   { opacity: 1; transform: translate(0, 0); }
}

@keyframes intrFadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

@keyframes intrLoaderFade {
  to { opacity: 0; visibility: hidden; }
}

@keyframes intrSheen {
  0%   { background-position: -120% 0; }
  100% { background-position: 220% 0; }
}

@keyframes intrSlideX {
  0%, 100% { transform: translateX(0); }
  50%      { transform: translateX(-4px); }
}

/* 7. HEADER (centered)
   ===================================================================== */
.intr-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--intr-header-h);
  background: rgba(250, 247, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  z-index: 100;
  transition: box-shadow var(--intr-trans), background var(--intr-trans);
  border-bottom: 1px solid transparent;
}

.intr-header.is-scrolled {
  background: var(--intr-ivory);
  box-shadow: 0 2px 14px rgba(46, 46, 46, 0.06);
  border-bottom-color: var(--intr-line-soft);
}

.intr-header__inner {
  max-width: 1480px;
  height: 100%;
  margin: 0 auto;
  padding: 0 var(--intr-space-5);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: var(--intr-space-4);
}

.intr-header__nav-left,
.intr-header__nav-right {
  display: flex;
  gap: var(--intr-space-5);
  align-items: center;
}

.intr-header__nav-right {
  justify-content: flex-end;
}

.intr-header__nav-left a,
.intr-header__nav-right a {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 500;
  color: var(--intr-charcoal);
  white-space: nowrap;
  position: relative;
  padding: 6px 0;
  transition: color var(--intr-trans-fast);
}

.intr-header__nav-left a::after,
.intr-header__nav-right a::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 1px;
  background: var(--intr-mustard);
  transition: width var(--intr-trans);
}

.intr-header__nav-left a:hover,
.intr-header__nav-right a:hover { color: var(--intr-mustard-deep); }
.intr-header__nav-left a:hover::after,
.intr-header__nav-right a:hover::after { width: 100%; }

.intr-header__nav-left a[aria-current="page"],
.intr-header__nav-right a[aria-current="page"] {
  color: var(--intr-mustard-deep);
}

.intr-header__nav-left a[aria-current="page"]::after,
.intr-header__nav-right a[aria-current="page"]::after { width: 100%; }

.intr-header__logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex-shrink: 0;
  line-height: 1.2;
}

.intr-header__logo-mark {
  width: 36px;
  height: 36px;
  margin-bottom: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--intr-charcoal);
}

.intr-header__logo-mark svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
}

.intr-header__logo-jp {
  font-family: var(--intr-font-jp);
  font-weight: 700;
  font-size: var(--intr-size-2);
  color: var(--intr-charcoal);
  letter-spacing: 0.04em;
}

.intr-header__logo-en {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-weight: 500;
  font-size: 0.7rem;
  color: var(--intr-mustard-deep);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intr-header__cta {
  padding: 10px 20px;
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  border-radius: 0;
  font-family: var(--intr-font-jp);
  font-weight: 600;
  font-size: var(--intr-size-2);
  transition: background var(--intr-trans-fast), transform var(--intr-trans-fast);
  white-space: nowrap;
  letter-spacing: 0.06em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-left: var(--intr-space-3);
}

.intr-header__cta:hover {
  background: var(--intr-mustard-deep);
  transform: translateY(-1px);
}

.intr-header__menu-btn {
  display: none;
  width: 44px;
  height: 44px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 5px;
}

.intr-header__menu-btn span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--intr-charcoal);
  border-radius: 2px;
  transition: transform var(--intr-trans), opacity var(--intr-trans);
}

.intr-header__menu-btn.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.intr-header__menu-btn.is-open span:nth-child(2) { opacity: 0; }
.intr-header__menu-btn.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 8. DRAWER
   ===================================================================== */
.intr-drawer {
  position: fixed;
  top: var(--intr-header-h);
  right: 0;
  width: 100%;
  max-width: 380px;
  height: calc(100vh - var(--intr-header-h));
  background: var(--intr-ivory);
  z-index: 99;
  padding: var(--intr-space-6) var(--intr-space-5);
  transform: translateX(100%);
  transition: transform var(--intr-trans);
  border-left: 1px solid var(--intr-line-soft);
  box-shadow: -10px 0 32px rgba(46, 46, 46, 0.08);
  overflow-y: auto;
}

.intr-drawer.is-open {
  transform: translateX(0);
}

.intr-drawer__nav {
  display: flex;
  flex-direction: column;
  gap: var(--intr-space-2);
}

.intr-drawer__nav a {
  padding: 14px var(--intr-space-3);
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 600;
  color: var(--intr-charcoal);
  border-bottom: 1px solid var(--intr-line-soft);
  transition: background var(--intr-trans-fast), color var(--intr-trans-fast);
}

.intr-drawer__nav a:hover {
  background: var(--intr-oak-pale);
  color: var(--intr-mustard-deep);
}

.intr-drawer__nav a[aria-current="page"] {
  background: var(--intr-bg);
  color: var(--intr-mustard-deep);
}

/* 9. ALERT BAR
   ===================================================================== */
.intr-alert {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  margin-top: var(--intr-header-h);
  padding: 10px 0;
  border-bottom: 1px solid var(--intr-mustard);
}

.intr-alert__inner {
  max-width: var(--intr-container);
  margin: 0 auto;
  padding: 0 var(--intr-space-5);
  display: flex;
  align-items: center;
  gap: var(--intr-space-3);
  flex-wrap: wrap;
}

.intr-alert__icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--intr-mustard);
}

.intr-alert__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.intr-alert__label {
  font-family: var(--intr-font-en);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--intr-mustard);
  background: rgba(201, 153, 78, 0.16);
  padding: 3px 10px;
}

.intr-alert__text {
  font-size: var(--intr-size-2);
  flex: 1;
  min-width: 240px;
  letter-spacing: 0.02em;
}

.intr-alert__link {
  font-size: var(--intr-size-2);
  color: var(--intr-mustard);
  font-weight: 600;
  white-space: nowrap;
  transition: color var(--intr-trans-fast);
  letter-spacing: 0.04em;
}

.intr-alert__link:hover {
  color: var(--intr-ivory);
}

/* 10. HERO D:split-slider (3 photos)
   ===================================================================== */
.intr-hero {
  position: relative;
  min-height: calc(100vh - var(--intr-header-h) - 42px);
  display: grid;
  grid-template-columns: 6fr 4fr;
}

.intr-hero__media {
  position: relative;
  overflow: hidden;
  background: var(--intr-charcoal);
}

.intr-hero__slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease;
}

.intr-hero__slide.is-active {
  opacity: 1;
}

.intr-hero__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.intr-hero__slide::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent 0%, transparent 70%, rgba(46, 46, 46, 0.18) 100%);
}

.intr-hero__media-dots {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 12px;
  z-index: 2;
}

.intr-hero__media-dot {
  width: 32px;
  height: 2px;
  background: rgba(250, 247, 240, 0.4);
  cursor: pointer;
  transition: background var(--intr-trans-fast);
}

.intr-hero__media-dot.is-active {
  background: var(--intr-mustard);
}

.intr-hero__copy {
  background: var(--intr-ivory);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--intr-space-7) var(--intr-space-7);
}

.intr-hero__eyebrow {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-3);
  letter-spacing: 0.32em;
  color: var(--intr-mustard-deep);
  text-transform: uppercase;
  margin-bottom: var(--intr-space-4);
  display: inline-block;
}

.intr-hero__title {
  font-family: var(--intr-font-display);
  font-size: var(--intr-size-hero);
  font-weight: 600;
  line-height: 1.32;
  letter-spacing: -0.005em;
  margin-bottom: var(--intr-space-4);
  color: var(--intr-charcoal);
}

.intr-hero__title em {
  font-style: italic;
  color: var(--intr-mustard-deep);
}

.intr-hero__sub {
  font-size: var(--intr-size-3);
  line-height: 2;
  color: var(--intr-stone);
  margin-bottom: var(--intr-space-6);
  max-width: 480px;
}

.intr-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0;
  border-top: 1px solid var(--intr-line);
  border-bottom: 1px solid var(--intr-line);
  margin-bottom: var(--intr-space-5);
  max-width: 480px;
}

.intr-hero__stat {
  padding: var(--intr-space-3) var(--intr-space-3);
  border-right: 1px solid var(--intr-line);
  border-bottom: 1px solid var(--intr-line);
}

.intr-hero__stat:nth-child(2n) { border-right: 0; }
.intr-hero__stat:nth-last-child(-n+2) { border-bottom: 0; }

.intr-hero__stat-num {
  display: block;
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-6);
  font-weight: 600;
  color: var(--intr-charcoal);
  line-height: 1.1;
  margin-bottom: 4px;
  letter-spacing: -0.01em;
}

.intr-hero__stat-num small {
  font-size: 0.5em;
  font-style: normal;
  font-weight: 500;
  font-family: var(--intr-font-jp);
  margin-left: 3px;
  color: var(--intr-stone);
}

.intr-hero__stat-label {
  display: block;
  font-family: var(--intr-font-jp);
  font-size: 0.78rem;
  color: var(--intr-stone-l);
  letter-spacing: 0.04em;
}

.intr-hero__btns {
  display: flex;
  gap: var(--intr-space-3);
  flex-wrap: wrap;
}

/* 11. CONCEPT (P2 商品先行 in Concept block)
   ===================================================================== */
.intr-concept {
  background: var(--intr-cream);
}

.intr-concept__inner {
  max-width: 880px;
  margin: 0 auto;
  text-align: center;
}

.intr-concept__title {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 500;
  color: var(--intr-charcoal);
  line-height: 1.45;
  margin-bottom: var(--intr-space-5);
  letter-spacing: 0.005em;
}

.intr-concept__title em {
  color: var(--intr-mustard-deep);
}

.intr-concept__text {
  font-size: var(--intr-size-4);
  line-height: 2.05;
  color: var(--intr-stone);
  margin-bottom: var(--intr-space-3);
}

.intr-concept__divider {
  width: 60px;
  height: 1px;
  background: var(--intr-oak);
  margin: var(--intr-space-6) auto;
}

/* 12. STYLE 5 タブ
   ===================================================================== */
.intr-style {
  position: relative;
}

.intr-style__tabs {
  display: flex;
  justify-content: center;
  gap: 0;
  margin-bottom: var(--intr-space-6);
  border-bottom: 1px solid var(--intr-line);
  flex-wrap: wrap;
}

.intr-style__tab {
  padding: 14px var(--intr-space-4);
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 600;
  color: var(--intr-stone);
  cursor: pointer;
  position: relative;
  transition: color var(--intr-trans-fast);
  letter-spacing: 0.04em;
}

.intr-style__tab::after {
  content: "";
  position: absolute;
  bottom: -1px;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--intr-mustard);
  transform: scaleX(0);
  transition: transform var(--intr-trans);
}

.intr-style__tab:hover {
  color: var(--intr-charcoal);
}

.intr-style__tab.is-active {
  color: var(--intr-mustard-deep);
}

.intr-style__tab.is-active::after {
  transform: scaleX(1);
}

.intr-style__panel {
  display: none;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--intr-space-6);
  align-items: center;
}

.intr-style__panel.is-active {
  display: grid;
  animation: intrFadeUp 0.5s ease;
}

.intr-style__panel-photo {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--intr-radius-md);
}

.intr-style__panel-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.intr-style__panel:hover .intr-style__panel-photo img {
  transform: scale(1.04);
}

.intr-style__panel-name {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-7);
  font-weight: 500;
  color: var(--intr-charcoal);
  margin-bottom: var(--intr-space-3);
}

.intr-style__panel-name em {
  color: var(--intr-mustard-deep);
}

.intr-style__panel-text {
  font-size: var(--intr-size-3);
  line-height: 2;
  color: var(--intr-stone);
  margin-bottom: var(--intr-space-4);
}

.intr-style__panel-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: var(--intr-space-4);
}

.intr-style__panel-list li {
  font-size: 0.78rem;
  padding: 4px 12px;
  background: var(--intr-oak-pale);
  color: var(--intr-charcoal);
  letter-spacing: 0.04em;
}

/* 13. SERVICES 6
   ===================================================================== */
.intr-services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--intr-space-4);
}

.intr-services__card {
  background: var(--intr-white);
  padding: var(--intr-space-6) var(--intr-space-5);
  border: 1px solid var(--intr-line-soft);
  transition: all var(--intr-trans);
  position: relative;
  overflow: hidden;
}

.intr-services__card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: var(--intr-oak);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform var(--intr-trans);
}

.intr-services__card:hover {
  border-color: var(--intr-oak);
  transform: translateY(-3px);
  box-shadow: var(--intr-shadow-md);
}

.intr-services__card:hover::before {
  transform: scaleY(1);
}

.intr-services__icon {
  width: 56px;
  height: 56px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--intr-space-4);
  color: var(--intr-mustard-deep);
  border-bottom: 1px solid var(--intr-line);
  padding-bottom: var(--intr-space-3);
}

.intr-services__icon svg {
  width: 32px;
  height: 32px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.intr-services__num {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-weight: 500;
  font-size: var(--intr-size-2);
  letter-spacing: 0.18em;
  color: var(--intr-mustard-deep);
  text-transform: uppercase;
  margin-bottom: var(--intr-space-2);
  display: block;
}

.intr-services__title {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-5);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: var(--intr-space-3);
}

.intr-services__text {
  font-size: var(--intr-size-2);
  line-height: 1.95;
  color: var(--intr-stone);
}

/* 14. PROCESS 6 step
   ===================================================================== */
.intr-process__list {
  position: relative;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--intr-space-3);
}

.intr-process__list::before {
  content: "";
  position: absolute;
  top: 32px;
  left: 8.3%;
  right: 8.3%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--intr-oak) 20%, var(--intr-oak) 80%, transparent 100%);
  z-index: 0;
}

.intr-process__step {
  text-align: center;
  position: relative;
  z-index: 1;
}

.intr-process__step-num {
  width: 64px;
  height: 64px;
  margin: 0 auto var(--intr-space-3);
  background: var(--intr-ivory);
  border: 1px solid var(--intr-oak);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-6);
  font-weight: 500;
  color: var(--intr-mustard-deep);
}

.intr-process__step-name {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: 4px;
}

.intr-process__step-text {
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--intr-stone);
}

/* 15. WORKS gallery (Before/After)
   ===================================================================== */
.intr-works__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--intr-space-5);
}

.intr-works__card {
  background: var(--intr-white);
  border: 1px solid var(--intr-line-soft);
  transition: all var(--intr-trans);
  overflow: hidden;
}

.intr-works__card:hover {
  border-color: var(--intr-oak);
  transform: translateY(-3px);
  box-shadow: var(--intr-shadow-md);
}

.intr-works__photo {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.intr-works__photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.intr-works__card:hover .intr-works__photo img {
  transform: scale(1.04);
}

.intr-works__badge {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  font-family: var(--intr-font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  padding: 4px 10px;
  text-transform: uppercase;
}

.intr-works__body {
  padding: var(--intr-space-4) var(--intr-space-5);
}

.intr-works__name {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: 4px;
}

.intr-works__meta {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--intr-mustard-deep);
  letter-spacing: 0.06em;
  margin-bottom: var(--intr-space-3);
}

.intr-works__text {
  font-size: 0.85rem;
  line-height: 1.85;
  color: var(--intr-stone);
}

/* 16. COORDINATORS 5
   ===================================================================== */
.intr-coords__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
  gap: var(--intr-space-4);
}

.intr-coord {
  background: var(--intr-white);
  border: 1px solid var(--intr-line-soft);
  overflow: hidden;
  transition: all var(--intr-trans);
}

.intr-coord:hover {
  transform: translateY(-3px);
  box-shadow: var(--intr-shadow-md);
}

.intr-coord__media {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  position: relative;
  background: var(--intr-bg);
}

.intr-coord__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.intr-coord:hover .intr-coord__media img {
  transform: scale(1.04);
}

.intr-coord__role {
  position: absolute;
  top: 12px;
  left: 12px;
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  font-family: var(--intr-font-en);
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  padding: 3px 8px;
  text-transform: uppercase;
}

.intr-coord__role--mustard { background: var(--intr-mustard); }

.intr-coord__body {
  padding: var(--intr-space-3) var(--intr-space-4);
}

.intr-coord__name {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: 2px;
}

.intr-coord__name-en {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--intr-mustard-deep);
  letter-spacing: 0.06em;
  margin-bottom: var(--intr-space-2);
}

.intr-coord__cred {
  font-size: 0.78rem;
  line-height: 1.85;
  color: var(--intr-stone);
}

.intr-coord--lead .intr-coord__media {
  aspect-ratio: 4 / 5;
}

.intr-coord--lead .intr-coord__name {
  font-size: var(--intr-size-5);
}

/* 17. MATERIALS LIBRARY 6
   ===================================================================== */
.intr-materials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--intr-space-3);
}

.intr-material {
  background: var(--intr-white);
  border: 1px solid var(--intr-line-soft);
  padding: var(--intr-space-5);
  text-align: center;
  transition: all var(--intr-trans);
}

.intr-material:hover {
  background: var(--intr-cream);
  transform: translateY(-3px);
}

.intr-material__swatch {
  width: 80px;
  height: 80px;
  margin: 0 auto var(--intr-space-3);
  border-radius: 50%;
  position: relative;
  overflow: hidden;
}

.intr-material__swatch--wood {
  background: var(--intr-oak);
  background-image: linear-gradient(45deg, rgba(0,0,0,0.06) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.06) 75%);
  background-size: 8px 8px;
}

.intr-material__swatch--linen {
  background: var(--intr-ivory-deep);
  background-image: linear-gradient(45deg, rgba(0,0,0,0.04) 25%, transparent 25%, transparent 75%, rgba(0,0,0,0.04) 75%);
  background-size: 6px 6px;
}

.intr-material__swatch--metal {
  background: linear-gradient(135deg, var(--intr-mustard) 0%, var(--intr-mustard-deep) 100%);
}

.intr-material__swatch--concrete {
  background: var(--intr-charcoal-soft);
  background-image: radial-gradient(rgba(0,0,0,0.18) 1px, transparent 1px);
  background-size: 4px 4px;
}

.intr-material__swatch--leather {
  background: linear-gradient(135deg, var(--intr-mustard-deep) 0%, var(--intr-charcoal-soft) 100%);
}

.intr-material__swatch--stone {
  background: var(--intr-charcoal-l);
  background-image: linear-gradient(60deg, rgba(255,255,255,0.16) 50%, transparent 50%);
  background-size: 12px 12px;
}

.intr-material__name {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: 4px;
}

.intr-material__name-en {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.78rem;
  color: var(--intr-mustard-deep);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  margin-bottom: var(--intr-space-2);
  display: block;
}

.intr-material__text {
  font-size: 0.82rem;
  line-height: 1.85;
  color: var(--intr-stone);
}

/* 18. VOICE 4
   ===================================================================== */
.intr-voice__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--intr-space-4);
}

.intr-voice__card {
  background: var(--intr-white);
  border: 1px solid var(--intr-line-soft);
  padding: var(--intr-space-6) var(--intr-space-5);
  position: relative;
  transition: box-shadow var(--intr-trans);
}

.intr-voice__card:hover {
  box-shadow: var(--intr-shadow-md);
}

.intr-voice__quote {
  font-size: 5rem;
  line-height: 1;
  font-family: var(--intr-font-display);
  font-style: italic;
  color: var(--intr-oak-pale);
  font-weight: 600;
  position: absolute;
  top: 12px;
  right: 24px;
}

.intr-voice__meta {
  display: flex;
  align-items: center;
  gap: var(--intr-space-3);
  margin-bottom: var(--intr-space-3);
}

.intr-voice__avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--intr-oak-pale);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--intr-font-en);
  font-style: italic;
  font-weight: 700;
  color: var(--intr-mustard-deep);
}

.intr-voice__profile {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: 2px;
}

.intr-voice__case {
  font-size: 0.78rem;
  color: var(--intr-stone-l);
  letter-spacing: 0.04em;
}

.intr-voice__text {
  font-size: 0.92rem;
  line-height: 1.95;
  color: var(--intr-stone);
}

/* 19. NEWS 3
   ===================================================================== */
.intr-news__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--intr-space-5);
  flex-wrap: wrap;
  gap: var(--intr-space-3);
}

.intr-news__title {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-7);
  font-weight: 500;
  color: var(--intr-charcoal);
}

.intr-news__title em {
  color: var(--intr-mustard-deep);
}

.intr-news__more {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-2);
  color: var(--intr-mustard-deep);
  border-bottom: 1px solid var(--intr-mustard);
  padding-bottom: 2px;
  letter-spacing: 0.06em;
}

.intr-news__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.intr-news__item {
  display: grid;
  grid-template-columns: 200px 1fr 32px;
  gap: var(--intr-space-4);
  padding: var(--intr-space-4) 0;
  border-bottom: 1px solid var(--intr-line-soft);
  align-items: center;
  transition: background var(--intr-trans-fast);
}

.intr-news__item:hover {
  background: var(--intr-cream);
}

.intr-news__item-meta {
  display: flex;
  align-items: center;
  gap: var(--intr-space-3);
}

.intr-news__item-cat {
  font-family: var(--intr-font-en);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 3px 10px;
}

.intr-news__item-cat--info  { background: var(--intr-charcoal); color: var(--intr-ivory); }
.intr-news__item-cat--column { background: var(--intr-oak-pale); color: var(--intr-mustard-deep); }
.intr-news__item-cat--event { background: var(--intr-mustard); color: var(--intr-white); }

.intr-news__item-meta time {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.85rem;
  color: var(--intr-stone-l);
  letter-spacing: 0.04em;
}

.intr-news__item-title {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 600;
  color: var(--intr-ink);
  line-height: 1.65;
  margin: 0;
}

.intr-news__item-arrow {
  font-family: var(--intr-font-en);
  color: var(--intr-mustard);
  font-size: 1.2rem;
  transition: transform var(--intr-trans-fast);
}

.intr-news__item:hover .intr-news__item-arrow {
  transform: translateX(4px);
}

/* 20. SHOWROOM
   ===================================================================== */
.intr-showroom__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--intr-space-3);
}

.intr-showroom__item {
  margin: 0;
  overflow: hidden;
  position: relative;
  aspect-ratio: 1 / 1;
}

.intr-showroom__item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.intr-showroom__item:hover img {
  transform: scale(1.05);
}

.intr-showroom__caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 14px;
  background: linear-gradient(0deg, rgba(46, 46, 46, 0.85), transparent);
  color: var(--intr-ivory);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.04em;
}

/* 21. ACCESS
   ===================================================================== */
.intr-access__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: var(--intr-space-5);
  align-items: stretch;
}

.intr-access__map {
  background: var(--intr-bg);
  min-height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--intr-font-en);
  font-style: italic;
  color: var(--intr-stone);
  font-size: var(--intr-size-4);
  letter-spacing: 0.06em;
}

.intr-access__panel {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  padding: var(--intr-space-6);
}

.intr-access__title {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-6);
  font-weight: 500;
  color: var(--intr-ivory);
  margin-bottom: var(--intr-space-4);
  padding-bottom: var(--intr-space-3);
  border-bottom: 1px solid var(--intr-mustard);
}

.intr-access__title em {
  font-style: italic;
  color: var(--intr-mustard);
}

.intr-access__list {
  display: flex;
  flex-direction: column;
  gap: var(--intr-space-3);
}

.intr-access__row {
  display: grid;
  grid-template-columns: 90px 1fr;
  gap: var(--intr-space-3);
  padding-bottom: var(--intr-space-3);
  border-bottom: 1px solid rgba(250, 247, 240, 0.16);
}

.intr-access__row:last-child { border-bottom: 0; padding-bottom: 0; }

.intr-access__row-label {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--intr-mustard);
}

.intr-access__row-val {
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(250, 247, 240, 0.92);
}

.intr-access__row-val small {
  display: block;
  font-size: 0.78rem;
  color: rgba(250, 247, 240, 0.62);
  margin-top: 2px;
}

/* 22. FAQ
   ===================================================================== */
.intr-faq__list {
  max-width: 880px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: var(--intr-space-2);
}

.intr-faq__item {
  background: var(--intr-white);
  border: 1px solid var(--intr-line);
  overflow: hidden;
}

.intr-faq__q {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px var(--intr-space-4);
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 700;
  color: var(--intr-charcoal);
  text-align: left;
  transition: background var(--intr-trans-fast);
}

.intr-faq__q:hover {
  background: var(--intr-cream);
}

.intr-faq__icon {
  width: 22px;
  height: 22px;
  position: relative;
  flex-shrink: 0;
  margin-left: var(--intr-space-3);
}

.intr-faq__icon::before,
.intr-faq__icon::after {
  content: "";
  position: absolute;
  background: var(--intr-mustard-deep);
  border-radius: 1px;
  inset: 0;
  margin: auto;
  transition: transform var(--intr-trans);
}

.intr-faq__icon::before { width: 14px; height: 1.5px; }
.intr-faq__icon::after  { width: 1.5px; height: 14px; }

.intr-faq__item.is-open .intr-faq__icon::after {
  transform: rotate(90deg);
}

.intr-faq__a {
  max-height: 0;
  overflow: hidden;
  padding: 0 var(--intr-space-4);
  color: var(--intr-stone);
  font-size: 0.92rem;
  line-height: 2;
  transition: max-height var(--intr-trans), padding var(--intr-trans);
}

.intr-faq__item.is-open .intr-faq__a {
  max-height: 600px;
  padding: 0 var(--intr-space-4) var(--intr-space-4);
}

/* 23. PAGE HERO (sub pages)
   ===================================================================== */
.intr-page-hero {
  position: relative;
  margin-top: var(--intr-header-h);
  height: 360px;
  display: flex;
  align-items: center;
  overflow: hidden;
}

.intr-page-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.intr-page-hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: brightness(0.55) saturate(0.92);
}

.intr-page-hero__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(46, 46, 46, 0.78) 0%, rgba(46, 46, 46, 0.55) 100%);
}

.intr-page-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--intr-container);
  margin: 0 auto;
  padding: 0 var(--intr-space-5);
  color: var(--intr-ivory);
}

.intr-page-hero__eyebrow {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-3);
  letter-spacing: 0.22em;
  color: var(--intr-mustard);
  text-transform: uppercase;
  margin-bottom: var(--intr-space-3);
  display: inline-block;
}

.intr-page-hero__title {
  font-family: var(--intr-font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.005em;
  color: var(--intr-ivory);
  margin-bottom: var(--intr-space-3);
  text-shadow: 0 4px 18px rgba(0, 0, 0, 0.4);
}

.intr-page-hero__sub {
  font-size: var(--intr-size-3);
  line-height: 1.95;
  color: rgba(250, 247, 240, 0.88);
  max-width: 720px;
}

.intr-bread {
  background: var(--intr-cream);
  padding: var(--intr-space-3) 0;
  border-bottom: 1px solid var(--intr-line-soft);
}

.intr-bread__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--intr-space-2);
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-2);
  color: var(--intr-stone);
}

.intr-bread__list a { color: var(--intr-charcoal); }
.intr-bread__list a:hover { color: var(--intr-mustard-deep); }
.intr-bread__sep { color: var(--intr-stone-l); }

/* 24. PROSE (article body)
   ===================================================================== */
.intr-prose {
  max-width: 760px;
  margin: 0 auto;
  font-size: var(--intr-size-3);
  line-height: 2.05;
  color: var(--intr-stone);
}

.intr-prose h2 {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-6);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin: var(--intr-space-7) 0 var(--intr-space-4);
  padding-left: var(--intr-space-3);
  border-left: 3px solid var(--intr-oak);
}

.intr-prose h3 {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-5);
  font-weight: 700;
  color: var(--intr-charcoal-deep);
  margin: var(--intr-space-5) 0 var(--intr-space-3);
}

.intr-prose p { margin: var(--intr-space-3) 0; }
.intr-prose strong { color: var(--intr-charcoal-deep); }

.intr-prose ul,
.intr-prose ol {
  margin: var(--intr-space-3) 0;
  padding-left: var(--intr-space-5);
}

.intr-prose ul { list-style: disc; }
.intr-prose ol { list-style: decimal; }

.intr-prose li { margin: 6px 0; }

.intr-prose a {
  color: var(--intr-mustard-deep);
  border-bottom: 1px solid var(--intr-mustard);
  font-weight: 600;
}

.intr-prose blockquote {
  margin: var(--intr-space-5) 0;
  padding: var(--intr-space-4) var(--intr-space-5);
  background: var(--intr-oak-pale);
  border-left: 3px solid var(--intr-oak);
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-4);
  color: var(--intr-charcoal-deep);
}

.intr-prose blockquote cite {
  display: block;
  margin-top: var(--intr-space-2);
  font-style: normal;
  font-size: var(--intr-size-2);
  color: var(--intr-stone);
  font-family: var(--intr-font-jp);
}

.intr-callout {
  margin: var(--intr-space-5) 0;
  padding: var(--intr-space-5);
  background: var(--intr-mustard-pale);
  border-left: 3px solid var(--intr-mustard);
}

.intr-callout__title {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 700;
  color: var(--intr-mustard-deep);
  margin-bottom: var(--intr-space-2);
  display: flex;
  align-items: center;
  gap: 8px;
}

.intr-callout__text {
  font-size: var(--intr-size-2);
  line-height: 1.95;
  color: var(--intr-ink);
}

.intr-table {
  width: 100%;
  border-collapse: collapse;
  margin: var(--intr-space-4) 0;
  background: var(--intr-white);
  border: 1px solid var(--intr-line-soft);
}

.intr-table th,
.intr-table td {
  padding: var(--intr-space-3);
  text-align: left;
  font-size: var(--intr-size-2);
  border-bottom: 1px solid var(--intr-line-soft);
}

.intr-table th {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  font-weight: 700;
}

.intr-table tr:nth-child(even) td {
  background: var(--intr-cream);
}

/* 25. FORMS
   ===================================================================== */
.intr-form {
  max-width: 720px;
  margin: 0 auto;
  display: grid;
  gap: var(--intr-space-4);
}

.intr-form__row { display: grid; gap: var(--intr-space-2); }
.intr-form__row--two { grid-template-columns: 1fr 1fr; }

@media (max-width: 600px) {
  .intr-form__row--two { grid-template-columns: 1fr; }
}

.intr-form__label {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-3);
  font-weight: 700;
  color: var(--intr-charcoal);
  display: flex;
  align-items: center;
  gap: var(--intr-space-2);
}

.intr-form__label-req {
  background: var(--intr-mustard-deep);
  color: var(--intr-ivory);
  padding: 1px 8px;
  font-family: var(--intr-font-en);
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.intr-form__input,
.intr-form__textarea,
.intr-form__select {
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--intr-line);
  border-radius: 0;
  font-size: var(--intr-size-3);
  background: var(--intr-white);
  color: var(--intr-ink);
  transition: border-color var(--intr-trans-fast), box-shadow var(--intr-trans-fast);
}

.intr-form__input:focus,
.intr-form__textarea:focus,
.intr-form__select:focus {
  outline: 0;
  border-color: var(--intr-mustard-deep);
  box-shadow: 0 0 0 3px rgba(168, 124, 48, 0.18);
}

.intr-form__textarea {
  min-height: 160px;
  resize: vertical;
}

.intr-form__check {
  display: flex;
  align-items: flex-start;
  gap: var(--intr-space-2);
  font-size: var(--intr-size-2);
  color: var(--intr-stone);
}

.intr-form__check input { margin-top: 4px; }

.intr-form__submit {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  border: 0;
  padding: 16px var(--intr-space-5);
  border-radius: 0;
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-4);
  font-weight: 700;
  cursor: pointer;
  letter-spacing: 0.08em;
  transition: background var(--intr-trans-fast), transform var(--intr-trans-fast);
}

.intr-form__submit:hover {
  background: var(--intr-mustard-deep);
  transform: translateY(-2px);
}

/* 26. PAGE CTA
   ===================================================================== */
.intr-page-cta {
  background: var(--intr-cream);
  padding: var(--intr-space-7) var(--intr-space-5);
  text-align: center;
  margin: var(--intr-space-7) 0;
  border-top: 1px solid var(--intr-oak);
  border-bottom: 1px solid var(--intr-oak);
}

.intr-page-cta__title {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: var(--intr-size-7);
  font-weight: 500;
  color: var(--intr-charcoal);
  margin-bottom: var(--intr-space-3);
}

.intr-page-cta__title em {
  color: var(--intr-mustard-deep);
}

.intr-page-cta__text {
  font-size: var(--intr-size-3);
  line-height: 1.95;
  color: var(--intr-stone);
  max-width: 640px;
  margin: 0 auto var(--intr-space-5);
}

.intr-page-cta__btns {
  display: flex;
  justify-content: center;
  gap: var(--intr-space-3);
  flex-wrap: wrap;
}

/* 27. GENERIC GRID / CARD
   ===================================================================== */
.intr-grid { display: grid; gap: var(--intr-space-4); }
.intr-grid--2 { grid-template-columns: repeat(2, 1fr); }
.intr-grid--3 { grid-template-columns: repeat(3, 1fr); }
.intr-grid--4 { grid-template-columns: repeat(4, 1fr); }

.intr-card {
  background: var(--intr-white);
  padding: var(--intr-space-5);
  border: 1px solid var(--intr-line-soft);
  transition: transform var(--intr-trans), box-shadow var(--intr-trans);
}

.intr-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--intr-shadow-md);
}

.intr-card__num {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-2);
  font-weight: 500;
  letter-spacing: 0.18em;
  color: var(--intr-mustard-deep);
  display: block;
  margin-bottom: var(--intr-space-2);
  text-transform: uppercase;
}

.intr-card__title {
  font-family: var(--intr-font-jp);
  font-size: var(--intr-size-5);
  font-weight: 700;
  color: var(--intr-charcoal);
  margin-bottom: var(--intr-space-3);
  line-height: 1.55;
}

.intr-card__text {
  font-size: var(--intr-size-2);
  line-height: 1.95;
  color: var(--intr-stone);
}

/* 28. CTA bottom band
   ===================================================================== */
.intr-cta {
  background: var(--intr-charcoal);
  color: var(--intr-ivory);
  text-align: center;
  padding: var(--intr-space-8) 0;
  position: relative;
  overflow: hidden;
}

.intr-cta::before {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(201, 153, 78, 0.16), transparent 70%);
  top: -120px;
  left: -120px;
}

.intr-cta::after {
  content: "";
  position: absolute;
  width: 360px;
  height: 360px;
  background: radial-gradient(circle, rgba(201, 163, 124, 0.16), transparent 70%);
  bottom: -120px;
  right: -120px;
}

.intr-cta .intr-container { position: relative; z-index: 1; }

.intr-cta__title {
  font-family: var(--intr-font-display);
  font-style: italic;
  font-size: clamp(1.6rem, 4vw, 2.8rem);
  font-weight: 500;
  color: var(--intr-ivory);
  margin-bottom: var(--intr-space-3);
}

.intr-cta__title em {
  color: var(--intr-mustard);
}

.intr-cta__text {
  font-size: var(--intr-size-3);
  line-height: 2;
  color: rgba(250, 247, 240, 0.85);
  margin-bottom: var(--intr-space-5);
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

.intr-cta__btns {
  display: flex;
  justify-content: center;
  gap: var(--intr-space-3);
  flex-wrap: wrap;
}

/* 29. STICKY CTA (mobile)
   ===================================================================== */
.intr-stickycta {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--intr-ivory);
  border-top: 1px solid var(--intr-line);
  box-shadow: 0 -4px 18px rgba(46, 46, 46, 0.08);
  padding: 8px;
  gap: 8px;
}

.intr-stickycta__btn {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px;
  font-family: var(--intr-font-jp);
  font-size: 0.85rem;
  font-weight: 700;
}

.intr-stickycta__btn--tel { background: var(--intr-charcoal); color: var(--intr-ivory); }
.intr-stickycta__btn--book { background: var(--intr-mustard); color: var(--intr-white); }

/* 30. FLOAT (desktop)
   ===================================================================== */
.intr-float {
  position: fixed;
  right: var(--intr-space-5);
  bottom: var(--intr-space-5);
  z-index: 80;
  background: var(--intr-mustard);
  color: var(--intr-white);
  padding: 14px 24px;
  font-family: var(--intr-font-jp);
  font-weight: 600;
  font-size: var(--intr-size-3);
  box-shadow: 0 6px 20px rgba(201, 153, 78, 0.45);
  transition: transform var(--intr-trans-fast), box-shadow var(--intr-trans-fast);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  letter-spacing: 0.04em;
}

.intr-float:hover {
  transform: translateY(-3px);
  background: var(--intr-mustard-deep);
  box-shadow: 0 10px 28px rgba(168, 124, 48, 0.55);
}

/* 31. FOOTER
   ===================================================================== */
.intr-footer {
  background: var(--intr-charcoal-deep);
  color: rgba(250, 247, 240, 0.78);
  padding: var(--intr-space-7) 0 var(--intr-space-5);
  margin-top: var(--intr-space-8);
}

.intr-footer__inner {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1fr;
  gap: var(--intr-space-6);
  margin-bottom: var(--intr-space-6);
}

.intr-footer__brand .intr-footer__logo {
  display: flex;
  align-items: center;
  gap: var(--intr-space-3);
  margin-bottom: var(--intr-space-3);
}

.intr-footer__logo-mark {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--intr-mustard);
}

.intr-footer__logo-mark svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.4;
}

.intr-footer__logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.intr-footer__logo-jp {
  font-family: var(--intr-font-jp);
  font-weight: 700;
  font-size: var(--intr-size-3);
  color: var(--intr-ivory);
}

.intr-footer__logo-en {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-1);
  color: var(--intr-mustard);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.intr-footer__addr {
  font-size: 0.82rem;
  line-height: 1.85;
  color: rgba(250, 247, 240, 0.7);
}

.intr-footer__addr strong { color: var(--intr-ivory); }

.intr-footer__col-title {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--intr-mustard);
  text-transform: uppercase;
  margin-bottom: var(--intr-space-3);
}

.intr-footer__list li {
  padding: 5px 0;
  font-size: 0.85rem;
}

.intr-footer__list a {
  color: rgba(250, 247, 240, 0.78);
  transition: color var(--intr-trans-fast);
}

.intr-footer__list a:hover { color: var(--intr-mustard); }

.intr-footer__bottom {
  border-top: 1px solid rgba(250, 247, 240, 0.12);
  padding-top: var(--intr-space-4);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--intr-space-3);
  align-items: center;
}

.intr-footer__copy {
  font-family: var(--intr-font-en);
  font-style: italic;
  font-size: var(--intr-size-1);
  color: var(--intr-stone-l);
  letter-spacing: 0.08em;
}

.intr-footer__license {
  font-size: var(--intr-size-1);
  color: var(--intr-stone-l);
  letter-spacing: 0.04em;
}

/* 32. ICON utility
   ===================================================================== */
.intr-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.15em;
  height: 1.15em;
  vertical-align: -0.18em;
  flex-shrink: 0;
}

.intr-icon svg {
  width: 100%;
  height: 100%;
}

/* 33. SCROLL ANIMATION
   ===================================================================== */
[data-anim] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-anim].is-in {
  opacity: 1;
  transform: translateY(0);
}

[data-anim="left"]  { transform: translateX(-24px); }
[data-anim="right"] { transform: translateX(24px); }
[data-anim="left"].is-in,
[data-anim="right"].is-in { transform: translateX(0); }

/* 34. RESPONSIVE
   ===================================================================== */
@media (max-width: 1024px) {
  .intr-header__nav-left,
  .intr-header__nav-right { display: none; }
  .intr-header__menu-btn { display: flex; }
  .intr-header__inner { grid-template-columns: 1fr auto 1fr; }
  .intr-header__nav-left { display: none; }

  .intr-hero { grid-template-columns: 1fr; min-height: 0; }
  .intr-hero__media { aspect-ratio: 16 / 9; }
  .intr-hero__copy { padding: var(--intr-space-7) var(--intr-space-5); }
  .intr-services__grid { grid-template-columns: repeat(2, 1fr); }
  .intr-process__list { grid-template-columns: repeat(3, 1fr); }
  .intr-process__list::before { display: none; }
  .intr-works__grid { grid-template-columns: 1fr; }
  .intr-coords__grid { grid-template-columns: 1fr 1fr; }
  .intr-materials__grid { grid-template-columns: repeat(2, 1fr); }
  .intr-voice__grid { grid-template-columns: 1fr; }
  .intr-style__panel { grid-template-columns: 1fr; }
  .intr-access__inner { grid-template-columns: 1fr; }
  .intr-showroom__grid { grid-template-columns: repeat(2, 1fr); }
  .intr-footer__inner { grid-template-columns: 1fr 1fr; }
  .intr-news__item { grid-template-columns: 1fr; gap: var(--intr-space-2); }
  .intr-news__item-arrow { display: none; }
}

@media (max-width: 768px) {
  .intr-section { padding: var(--intr-space-7) 0; }
  .intr-section-head { margin-bottom: var(--intr-space-6); }
  .intr-services__grid,
  .intr-coords__grid,
  .intr-materials__grid,
  .intr-showroom__grid { grid-template-columns: 1fr; }
  .intr-process__list { grid-template-columns: repeat(2, 1fr); }
  .intr-hero__stats { grid-template-columns: repeat(2, 1fr); }
  .intr-footer__inner { grid-template-columns: 1fr; }
  .intr-stickycta { display: flex; }
  .intr-float { display: none; }
  body { padding-bottom: 60px; }
}

@media (max-width: 480px) {
  :root { --intr-header-h: 64px; }
  .intr-header__inner { gap: var(--intr-space-3); padding: 0 var(--intr-space-3); }
  .intr-header__cta { padding: 8px 14px; font-size: 0.78rem; }
  .intr-hero__title { font-size: 1.85rem; }
  .intr-hero__btns .intr-btn { width: 100%; min-width: 0; }
}

/* 35. REDUCED MOTION
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .intr-loader__swatch { opacity: 1; transform: none; animation: none; }
  .intr-loader__brand,
  .intr-loader__sub { opacity: 1; animation: none; }
  [data-anim] { opacity: 1; transform: none; }
}

/* 36. PRINT
   ===================================================================== */
@media print {
  .intr-header,
  .intr-drawer,
  .intr-stickycta,
  .intr-float,
  .intr-loader { display: none !important; }
  .intr-hero,
  .intr-page-hero { margin-top: 0; }
  body { padding-bottom: 0; }
}

/* --------------------------------------------------------------------------
   99. WP Block FSE Header & Navigation
   -------------------------------------------------------------------------- */

html { overflow-x: hidden; }
.wp-site-blocks { overflow-x: hidden; }

.irodori-header {
  position: sticky;
  top: 0; left: 0; right: 0;
  width: 100%;
  z-index: 800;
  background: transparent;
  color: #fff;
  transition: background 0.4s ease, box-shadow 0.4s ease, color 0.4s ease;
}
.irodori-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  box-shadow: var(--intr-shadow-sm);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: var(--intr-ink);
}
.irodori-header__inner {
  height: 72px;
  padding: 0 clamp(20px, 4vw, 48px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.irodori-header__logo .wp-block-site-logo img {
  max-height: 44px;
  width: auto;
}
.irodori-header .wp-block-navigation-item__content {
  color: inherit;
  text-decoration: none;
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 6px 10px;
  transition: opacity 0.2s;
  white-space: nowrap;
}
.irodori-header .wp-block-navigation-item__content:hover { opacity: 0.7; }
.irodori-header .wp-block-navigation .wp-block-navigation-item { list-style: none; }
.irodori-header__cta-btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 22px;
  background: #1a5276;
  color: #fff !important;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
  text-decoration: none;
  transition: opacity 0.2s;
}
.irodori-header__cta-btn:hover { opacity: 0.85; }
.irodori-header .wp-block-navigation__responsive-container-open,
.irodori-header .wp-block-navigation__responsive-container-close { display: none !important; }
.irodori-header .wp-block-navigation__responsive-container {
  display: contents !important;
  background: none !important;
}
.wp-site-blocks > * + * { margin-block-start: 0 !important; }
footer .wp-block-navigation { flex-direction: column !important; }
.wp-block-group.irodori-section.is-layout-constrained > *,
.wp-block-group.irodori-section > * {
  max-width: 100% !important;
  width: 100%;
  margin-left: 0 !important;
  margin-right: 0 !important;
}
.wp-block-post-content > .wp-block-group.irodori-section,
.wp-block-post-content > .wp-block-group.irodori-section + .wp-block-group.irodori-section {
  margin-block: 0;
}
@media (max-width: 1100px) {
  .irodori-header__toggle {
    display: flex; flex-direction: column; justify-content: center; align-items: center;
    gap: 6px; width: 34px; height: 34px; cursor: pointer; position: relative;
    z-index: 10001; flex-shrink: 0;
  }
  .irodori-header__toggle span {
    display: block; width: 22px; height: 1.8px;
    background: currentColor; transition: transform 0.3s ease, opacity 0.3s ease;
  }
  .irodori-header__toggle-input { display: none; }
  .wp-block-group.irodori-header__nav {
    display: none; position: fixed; inset: 0;
    background: rgba(255,255,255,0.98); z-index: 10000;
    flex-direction: column; align-items: center; justify-content: center; padding: 40px;
  }
  #irodori-nav-toggle:checked ~ .wp-block-group.irodori-header__nav { display: flex; }
  #irodori-nav-toggle:checked ~ label.irodori-header__toggle span:nth-child(1) {
    transform: translateY(7.8px) rotate(45deg);
  }
  #irodori-nav-toggle:checked ~ label.irodori-header__toggle span:nth-child(2) { opacity: 0; }
  #irodori-nav-toggle:checked ~ label.irodori-header__toggle span:nth-child(3) {
    transform: translateY(-7.8px) rotate(-45deg);
  }
  .irodori-header--hamburger .irodori-header__nav .wp-block-navigation {
    display: flex !important; flex-direction: column; align-items: center; width: 100%;
  }
  .irodori-header--hamburger .irodori-header__nav .wp-block-navigation__container {
    display: flex; flex-direction: column; align-items: center;
    gap: 2rem; list-style: none; margin: 0; padding: 0;
  }
  .irodori-header--hamburger .irodori-header__nav .wp-block-navigation__container a {
    font-size: clamp(18px, 4vw, 24px); font-weight: 600; letter-spacing: 0.06em;
    color: var(--intr-ink);
  }
  .irodori-header__cta { margin-top: 32px; }
}

/* ===== WP 7.0 Bug Fixes ===== */

/* ---------------------------------------------------------------
   WP 7.0 Fix: ナビゲーション デスクトップ表示強制
   親テーマ .irodori-header--hamburger が position:fixed/opacity:0 を
   全ブレークポイントに適用するため !important で解除
   --------------------------------------------------------------- */
@media (min-width: 1101px) {
  .irodori-header .wp-block-group.irodori-header__nav {
    position: relative !important;
    opacity: 1 !important;
    visibility: visible !important;
    inset: auto !important;
    background: none !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 24px !important;
    padding: 0 !important;
    z-index: auto !important;
  }
  .irodori-header__toggle {
    display: none !important;
  }
}

/* ---------------------------------------------------------------
   WP 7.0 Fix: ヒーロー背景 全幅解除
   WP is-layout-constrained が max-width:1280px/margin:auto を
   hero bg 要素に適用するため強制解除
   --------------------------------------------------------------- */
.is-layout-constrained > [class*="-hero__bg"],
.is-layout-constrained > [class*="-hero-bg"],
.is-layout-constrained > [class*="-hero__slide"],
.is-layout-constrained > [class*="-hero__image"],
.is-layout-constrained > [class*="-hero__visual"] {
  max-width: none !important;
  width: 100% !important;
  margin-left: 0 !important;
  margin-right: 0 !important;
}