/* =============================================
   CSS Custom Properties
   ============================================= */
:root {
  --color-bg:        #F5F0EB;
  --color-bg-alt:    #EDE7DF;
  --color-text:      #1A1A1A;
  --color-text-muted:#6B6B6B;
  --color-accent:    #C4963A;
  --color-accent-light: #E8C97A;
  --color-border:    #D9D0C5;
  --color-white:     #FFFFFF;
  --font-en:  'Inter', sans-serif;
  --font-jp:  'Noto Sans JP', sans-serif;
  --max-width: 1200px;
  --header-height: 70px;
  --section-padding: 100px 0;
  --transition-base: 0.3s ease;
}

/* =============================================
   Reset & Base
   ============================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  overflow-x: hidden;
  max-width: 100%;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-jp);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.8;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  overflow-wrap: break-word;
  word-wrap: break-word;
  word-break: normal;
}

/* Global overflow guards */
img, video, svg, iframe, table {
  max-width: 100%;
}
img, video { display: block; height: auto; }

a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }

/* Prevent long words/URLs from breaking layout */
p, span, h1, h2, h3, h4, h5, h6, li, dt, dd, label, input, textarea, button, a {
  overflow-wrap: break-word;
}

/* =============================================
   Custom Cursor (desktop only)
   Two-element design:
     #cursor-cross — crosshair, snaps exactly to mouse position
     #cursor-ring  — 36px circle, follows with JS lerp
   ============================================= */
body.has-custom-cursor,
body.has-custom-cursor a,
body.has-custom-cursor button,
body.has-custom-cursor label,
body.has-custom-cursor [role="button"] {
  cursor: none;
}

/* ── Dot (snaps to exact mouse position) ── */
#cursor-cross {
  position: fixed;
  left: 0;
  top: 0;
  width: 8px;
  height: 8px;
  background: rgba(107, 143, 113, 0.7);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10001;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.25s ease, transform 0.2s ease;
}

#cursor-cross.is-visible { opacity: 1; }

/* Dot shrinks when ring is shown */
body.cursor-hover #cursor-cross {
  transform: translate(-50%, -50%) scale(0);
  opacity: 0;
}

/* ── Ring (follows with lerp, visible on hover) ── */
#cursor-ring {
  position: fixed;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  border: 1px solid rgba(107, 143, 113, 0);
  border-radius: 50%;
  pointer-events: none;
  z-index: 10000;
  transform: translate(-50%, -50%) scale(0.6);
  opacity: 0;
  transition:
    border-color 0.3s ease,
    transform    0.4s cubic-bezier(0.34, 1.56, 0.64, 1),
    opacity      0.3s ease;
}

/* Ring appears on hover */
body.cursor-hover #cursor-ring {
  border-color: rgba(107, 143, 113, 0.7);
  transform: translate(-50%, -50%) scale(1);
  opacity: 1;
}

/* =============================================
   Typography
   ============================================= */
h1, h2, h3, h4 {
  font-family: var(--font-en);
  font-weight: 300;
  letter-spacing: 0.05em;
  line-height: 1.3;
}

.section-title {
  font-family: var(--font-en);
  font-size: clamp(36px, 5vw, 56px);
  font-weight: 200;
  letter-spacing: 0.1em;
  color: var(--color-text);
  margin-bottom: 60px;
}

/* Japanese sub-label — indented to the right of the heading */
.section-title span {
  display: block;
  font-family: var(--font-jp);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  margin-top: 12px;
  padding-left: 2rem;   /* indent relative to heading baseline */
  text-transform: uppercase;
}

/* =============================================
   Layout
   ============================================= */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}

section { padding: var(--section-padding); }

/* =============================================
   Scroll Animations
   ============================================= */
.fade-in {
  opacity: 0;
  transform: translateY(40px);
  transition:
    opacity  0.9s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in.is-visible { opacity: 1; transform: translateY(0); }

/* Stagger siblings */
.fade-in:nth-child(2) { transition-delay: 0.12s; }
.fade-in:nth-child(3) { transition-delay: 0.22s; }
.fade-in:nth-child(4) { transition-delay: 0.32s; }

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition:
    opacity  0.9s cubic-bezier(0.4, 0, 0.2, 1),
    transform 0.9s cubic-bezier(0.4, 0, 0.2, 1);
}
.fade-in-left.is-visible { opacity: 1; transform: translateX(0); }

/* =============================================
   Header & Navigation
   ============================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  width: 100%;
  height: var(--header-height);
  z-index: 1000;
  transition: background-color 0.4s ease, box-shadow 0.4s ease;
}

.site-header.scrolled {
  background-color: rgba(245, 240, 235, 0.96);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 1px 0 var(--color-border);
}

.header-inner {
  position: relative;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Logo image */
.site-logo { display: flex; align-items: center; }

.logo-img {
  height: 36px;
  width: auto;
  display: block;
}

/* Fallback text logo (used on sub-pages) */
.site-logo.text-logo {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 400;
  letter-spacing: 0.12em;
  color: var(--color-text);
  flex-direction: column;
  gap: 2px;
}
.site-logo.text-logo .logo-sub {
  font-size: 9px;
  font-weight: 300;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  text-transform: uppercase;
}

/* Main Nav */
.main-nav { display: flex; align-items: center; gap: 48px; }

.nav-item {
  position: relative;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  cursor: pointer;
  transition: color var(--transition-base);
}
.nav-item a:hover,
.nav-item:hover { color: var(--color-accent); }

/* Dropdown */
.nav-item.has-dropdown { display: flex; align-items: center; gap: 6px; }

.nav-item.has-dropdown::after {
  content: '';
  width: 6px; height: 6px;
  border-right: 1px solid currentColor;
  border-bottom: 1px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform var(--transition-base);
}
.nav-item.has-dropdown:hover::after { transform: rotate(225deg) translateY(-2px); }

.dropdown-menu {
  position: absolute;
  top: calc(100% + 20px);
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  min-width: 200px;
  padding: 12px 0;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s ease, visibility 0.25s ease, top 0.25s ease;
}
.nav-item.has-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  top: calc(100% + 12px);
}
.dropdown-menu a {
  display: block;
  padding: 10px 24px;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--color-text);
  transition: color var(--transition-base), padding-left var(--transition-base);
}
.dropdown-menu a:hover { color: var(--color-accent); padding-left: 30px; }

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
  z-index: 1002;
}
.hamburger span {
  display: block;
  width: 24px; height: 1px;
  background-color: var(--color-text);
  transition: transform 0.3s ease, opacity 0.3s ease;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile nav */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  width: 100%;
  background-color: var(--color-bg);
  border-top: 1px solid var(--color-border);
  padding: 32px 40px;
  z-index: 1001;
  transform: translateY(-100%);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: transform 0.4s ease, opacity 0.4s ease, visibility 0s linear 0.4s;
  max-height: calc(100vh - var(--header-height));
  overflow-y: auto;
  overflow-x: hidden;
}
.mobile-nav.is-open {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transition: transform 0.4s ease, opacity 0.4s ease, visibility 0s linear 0s;
}

.mobile-nav-list { display: flex; flex-direction: column; }
.mobile-nav-item { border-bottom: 1px solid var(--color-border); }
.mobile-nav-item a,
.mobile-nav-item > span {
  display: block;
  padding: 18px 0;
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  cursor: pointer;
}
.mobile-sub-menu { padding-bottom: 12px; }
.mobile-sub-menu a {
  padding: 10px 0 10px 20px;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: 0.05em;
  text-transform: none;
  color: var(--color-text-muted);
}

/* =============================================
   Hero — SVG Geometric Background
   ============================================= */
.hero {
  position: relative;
  height: 100vh;
  min-height: 560px;
  overflow: hidden;
  background-color: var(--color-bg);
}

/* Extends 15% above/below hero bounds — gives parallax room without gaps */
.hero-bg {
  position: absolute;
  top: -15%;
  left: 0;
  right: 0;
  bottom: -15%;
  z-index: 0;
  will-change: transform;
  pointer-events: none;
}

.hero-svg {
  width: 100%;
  height: 100%;
  display: block;
}

/* SVG animation keyframes */
@keyframes geoPulse {
  from { transform: scale(0.95); opacity: 0.5; }
  to   { transform: scale(1.05); opacity: 0.9; }
}

@keyframes geoRotate {
  to { transform: rotate(360deg); }
}

.geo-pulse-1 {
  transform-box: fill-box;
  transform-origin: center;
  animation: geoPulse 9s ease-in-out infinite alternate;
}

.geo-pulse-2 {
  transform-box: fill-box;
  transform-origin: center;
  animation: geoPulse 13s ease-in-out infinite alternate-reverse;
}

.geo-rotate-slow {
  transform-box: fill-box;
  transform-origin: center;
  animation: geoRotate 40s linear infinite;
}

.geo-rotate-rev {
  transform-box: fill-box;
  transform-origin: center;
  animation: geoRotate 60s linear infinite reverse;
}

/* Bottom fade — blends hero smoothly into the next section */
.hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 140px;
  background: linear-gradient(to bottom, transparent, var(--color-bg));
  z-index: 5;
  pointer-events: none;
}

/* Text overlay */
.hero-overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  pointer-events: none;
}

.hero-text {
  text-align: center;
  will-change: opacity, transform;
}

.hero-catch {
  display: block;
  font-family: var(--font-jp);
  font-size: clamp(26px, 4.2vw, 54px);
  font-weight: 300;
  color: var(--color-text);
  letter-spacing: 0.12em;
  margin-bottom: 24px;
}

.hero-sub {
  display: block;
  font-family: var(--font-en);
  font-size: clamp(10px, 1.0vw, 13px);
  font-weight: 200;
  letter-spacing: 0.55em;
  color: var(--color-text-muted);
}

/* Scroll indicator */
.scroll-indicator {
  position: absolute;
  bottom: 36px;
  right: 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  z-index: 10;
  opacity: 0;
  transition: opacity 1s ease;
  pointer-events: none;
}
.scroll-indicator.is-visible { opacity: 1; }

.scroll-indicator span {
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.3em;
  color: var(--color-text-muted);
  writing-mode: vertical-rl;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--color-text-muted), transparent);
  animation: scrollLineAnim 1.8s ease-in-out infinite;
  transform-origin: top;
}

@keyframes scrollLineAnim {
  0%   { transform: scaleY(0); opacity: 0; }
  40%  { opacity: 1; }
  100% { transform: scaleY(1); opacity: 0; }
}

/* =============================================
   About Section
   ============================================= */
.about { background-color: var(--color-bg); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-text {
  max-width: 500px;
  text-align: left;
}

.about-text p {
  font-size: 15px;
  line-height: 1.9;
  color: #555;
  margin-bottom: 0.2em;
  word-break: normal;
  overflow-wrap: break-word;
}

/* =============================================
   Service Section
   ============================================= */
.services { background-color: var(--color-bg-alt); }

.service-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}

.service-card {
  background-color: var(--color-bg);
  border: 1px solid var(--color-border);
  overflow: hidden;
  display: block;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--transition-base);
}
.service-card:hover { box-shadow: 0 8px 40px rgba(0,0,0,0.08); }

.service-card-image {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background-color: var(--color-bg-alt);
  position: relative;
}

/* Actual image inside the card */
.service-card-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-card:hover .service-card-img { transform: scale(1.05); }

/* Placeholder fallback (used when no image is set) */
.service-image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.service-image-placeholder span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-border);
  text-transform: uppercase;
}
.service-card:hover .service-image-placeholder { transform: scale(1.05); }

/* "詳しく見る" fade-in on hover */
.service-card-hover-text {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(20, 18, 16, 0.42);
  color: #ffffff;
  font-family: var(--font-jp);
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 0.25em;
  opacity: 0;
  transition: opacity 0.4s ease;
}
.service-card:hover .service-card-hover-text { opacity: 1; }

.service-card-body { padding: 32px; }

.service-card-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.service-card-title {
  font-family: var(--font-jp);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: 0.05em;
  margin-bottom: 16px;
}

.service-card-text {
  font-size: 13px;
  line-height: 1.9;
  color: var(--color-text-muted);
}

.service-card-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-top: 28px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text);
  transition: gap var(--transition-base);
}
.service-card:hover .service-card-link { gap: 20px; }
.service-card-link::after {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background-color: var(--color-text);
  transition: width var(--transition-base);
}
.service-card:hover .service-card-link::after { width: 48px; }

/* =============================================
   Company Section
   ============================================= */
.company { background-color: var(--color-bg); }

.company-table {
  width: 100%;
  max-width: 700px;
  border-collapse: collapse;
}
.company-table tr { border-bottom: 1px solid var(--color-border); }
.company-table tr:first-child { border-top: 1px solid var(--color-border); }

.company-table th {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  padding: 22px 0;
  width: 200px;
  text-align: left;
  vertical-align: top;
}
.company-table td {
  font-family: var(--font-jp);
  font-size: 14px;
  padding: 22px 0;
  line-height: 1.8;
  color: var(--color-text);
}

/* =============================================
   Footer
   ============================================= */
.site-footer {
  background-color: #2A2520;
  color: var(--color-bg);
  padding: 60px 0 40px;
}

.footer-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 60px;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 60px;
  padding-bottom: 60px;
  border-bottom: 1px solid rgba(245,240,235,0.15);
}

.footer-logo {
  display: inline-flex;
  align-items: flex-start;
}

.footer-logo-img {
  height: 32px;
  width: auto;
  display: block;
  /* Invert dark logo to appear light on dark footer background */
  filter: brightness(0) invert(1);
  opacity: 0.9;
}

.footer-nav { display: flex; gap: 48px; }
.footer-nav-col { display: flex; flex-direction: column; gap: 16px; }
.footer-nav-col a {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.7);
  transition: color var(--transition-base);
}
.footer-nav-col a:hover { color: var(--color-bg); }
.footer-nav-col .footer-nav-parent {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.7);
}
.footer-nav-col .sub-link {
  font-family: var(--font-jp);
  font-size: 11px;
  letter-spacing: 0.05em;
  text-transform: none;
  padding-left: 20px;
  color: rgba(245,240,235,0.45);
  position: relative;
}
.footer-nav-col .sub-link::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: 10px;
  height: 1px;
  background: rgba(245,240,235,0.25);
}
.footer-nav-col .sub-link:hover { color: var(--color-bg); }

.footer-social a {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(245,240,235,0.7);
  transition: color var(--transition-base);
}
.footer-social a:hover { color: var(--color-bg); }
.footer-social svg { width: 18px; height: 18px; }

.footer-bottom { display: flex; justify-content: space-between; align-items: center; }

.footer-copyright {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: rgba(245,240,235,0.4);
}

/* =============================================
   Sub-page: Page Hero
   ============================================= */
.page-hero {
  padding-top: calc(var(--header-height) + 80px);
  padding-bottom: 80px;
}
.page-hero-label {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.4em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
  display: block;
}
.page-hero-title {
  font-family: var(--font-en);
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 200;
  letter-spacing: 0.05em;
  line-height: 1.1;
  margin-bottom: 32px;
}
.page-hero-text {
  font-size: 15px;
  line-height: 2;
  color: var(--color-text-muted);
  max-width: 480px;
}
.page-hero-image {
  width: 100%;
  aspect-ratio: 21/9;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 80px;
  overflow: hidden;
}
.page-hero-image span {
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-border);
  text-transform: uppercase;
}

/* =============================================
   Renovation Page
   ============================================= */
.renovation-intro { background-color: var(--color-bg-alt); }

.renovation-intro-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}
.renovation-intro-text h3 {
  font-family: var(--font-jp);
  font-size: 22px;
  font-weight: 500;
  margin-bottom: 24px;
}
.renovation-intro-text p {
  font-size: 14px;
  line-height: 2;
  color: var(--color-text-muted);
  margin-bottom: 20px;
}
.renovation-intro-list li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  font-size: 14px;
}
.renovation-intro-list li::before {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background-color: var(--color-accent);
  flex-shrink: 0;
}

/* Gallery */
.gallery-section { background-color: var(--color-bg); }

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}
.gallery-item {
  aspect-ratio: 4/3;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.gallery-item span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-border);
  text-transform: uppercase;
}

/* =============================================
   Interior Page
   ============================================= */
.brand-section {
  background-color: var(--color-text);
  color: var(--color-bg);
  padding: 120px 0;
}
.brand-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}
.brand-content .section-title       { color: var(--color-bg); }
.brand-content .section-title span  { color: rgba(245,240,235,0.5); }
.brand-content p {
  font-size: 14px;
  line-height: 2;
  color: rgba(245,240,235,0.75);
  margin-bottom: 20px;
}
.brand-logo-mark {
  font-family: var(--font-en);
  font-size: 80px;
  font-weight: 200;
  letter-spacing: -0.02em;
  color: var(--color-bg);
  border: 1px solid rgba(245,240,235,0.2);
  padding: 40px;
  text-align: center;
  line-height: 1;
}
.brand-logo-mark small {
  display: block;
  font-size: 11px;
  letter-spacing: 0.4em;
  margin-top: 16px;
  color: rgba(245,240,235,0.5);
}
.products-section { background-color: var(--color-bg); }
.products-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.product-card { background: var(--color-bg-alt); border: 1px solid var(--color-border); }
.product-card-image {
  aspect-ratio: 1/1;
  background-color: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
}
.product-card-image span {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  color: var(--color-border);
  text-transform: uppercase;
}
.product-card-body { padding: 24px; }
.product-card-body h4 {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 500;
  margin-bottom: 8px;
}
.product-card-body p {
  font-size: 12px;
  line-height: 1.8;
  color: var(--color-text-muted);
}

/* =============================================
   Contact Page
   ============================================= */
.contact-section { padding-top: calc(var(--header-height) + 80px); }

.contact-inner {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 80px;
  align-items: start;
}
.contact-detail { border-top: 1px solid var(--color-border); }
.contact-detail-item { padding: 20px 0; border-bottom: 1px solid var(--color-border); }
.contact-detail-item dt {
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 6px;
}
.contact-detail-item dd { font-size: 14px; color: var(--color-text); }

/* Form */
.contact-form .form-group { margin-bottom: 32px; }
.form-label {
  display: block;
  font-family: var(--font-jp);
  font-size: 13px;
  letter-spacing: 0.05em;
  margin-bottom: 10px;
  color: var(--color-text);
}
.form-label .required {
  font-family: var(--font-en);
  font-size: 9px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-left: 8px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 14px 18px;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--color-text);
  outline: none;
  transition: border-color var(--transition-base);
  -webkit-appearance: none;
  border-radius: 0;
}
.form-input:focus, .form-textarea:focus {
  border-color: var(--color-accent);
  background-color: var(--color-bg);
}
.form-textarea { resize: vertical; min-height: 200px; line-height: 1.8; }

/* Privacy policy agree + accordion */
.form-agree-wrap { margin-bottom: 32px; }

.form-agree {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
}
.form-agree input[type="checkbox"] {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  cursor: pointer;
  accent-color: var(--color-accent);
}
.form-agree label {
  font-size: 13px;
  color: var(--color-text-muted);
  cursor: pointer;
}

/* details/summary accordion — CSS only, no JS */
.privacy-details { margin-top: 4px; }

.privacy-summary {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--font-en);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--color-text-muted);
  cursor: pointer;
  list-style: none;
  user-select: none;
}
.privacy-summary::-webkit-details-marker { display: none; }

.privacy-summary::after {
  content: '›';
  display: inline-block;
  font-size: 14px;
  line-height: 1;
  transition: transform 0.25s ease;
}
.privacy-details[open] .privacy-summary::after {
  transform: rotate(90deg);
}

.privacy-body {
  margin-top: 12px;
  max-height: 400px;
  overflow-y: auto;
  padding: 20px;
  background-color: var(--color-bg-alt);
  border: 1px solid var(--color-border);
  font-family: var(--font-jp);
  font-size: 13px;
  line-height: 1.9;
  color: #888;
}
.privacy-body p { margin-bottom: 1.2em; }
.privacy-body p:last-child { margin-bottom: 0; }
.privacy-body strong { color: #666; font-weight: 500; }

/* Validation error states */
.is-error { border-color: #C0392B !important; }
.form-error {
  display: block;
  font-size: 12px;
  color: #C0392B;
  margin-top: 6px;
}
.btn-submit {
  display: inline-flex;
  align-items: center;
  gap: 16px;
  padding: 16px 48px;
  background-color: var(--color-text);
  color: var(--color-bg);
  border: 1px solid var(--color-text);
  font-family: var(--font-en);
  font-size: 12px;
  letter-spacing: 0.25em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background-color var(--transition-base), color var(--transition-base);
}
.btn-submit:hover { background-color: transparent; color: var(--color-text); }
.btn-submit::after {
  content: '';
  display: block;
  width: 20px; height: 1px;
  background-color: currentColor;
  transition: width var(--transition-base);
}
.btn-submit:hover::after { width: 32px; }

.form-alert {
  padding: 16px 20px;
  border: 1px solid;
  font-size: 14px;
  margin-bottom: 32px;
}
.form-alert.success { border-color: #4CAF50; background-color: rgba(76,175,80,0.08); color: #2E7D32; }
.form-alert.error   { border-color: #EF5350; background-color: rgba(239,83,80,0.08);  color: #C62828; }

/* =============================================
   Responsive
   Breakpoints:
     PC      : 1024px and up    (base styles)
     Tablet  : 768px – 1023px
     MobileL : 480px – 767px
     MobileS :          – 479px
   ============================================= */

/* ===== Tablet (≤1023px) ===== */
@media (max-width: 1023px) {
  :root { --section-padding: 80px 0; }

  .container       { padding: 0 40px; }
  .header-inner    { padding: 0 40px; }
  .footer-inner    { padding: 0 40px; }
  .mobile-nav      { padding: 28px 40px; }

  /* Hamburger replaces main nav — pin to right edge within 20px */
  .main-nav        { display: none; }
  .hamburger {
    display: flex;
    position: absolute;
    top: 50%;
    right: 20px;
    transform: translateY(-50%);
  }
  .mobile-nav      { display: block; }

  /* Stack horizontal layouts */
  .about-inner            { grid-template-columns: 1fr; gap: 40px; }
  .renovation-intro-inner { grid-template-columns: 1fr; gap: 40px; }
  .brand-inner            { grid-template-columns: 1fr; gap: 40px; }
  .contact-inner          { grid-template-columns: 1fr; gap: 40px; }
  .service-grid           { grid-template-columns: 1fr; gap: 24px; }

  /* 3-col → 2-col on tablet */
  .gallery-grid           { grid-template-columns: repeat(2, 1fr); }
  .products-grid          { grid-template-columns: repeat(2, 1fr); }

  /* Headings slightly smaller */
  .page-hero-title        { font-size: clamp(40px, 7vw, 72px); }
  .page-hero-image        { aspect-ratio: 16/9; margin-bottom: 60px; }

  /* Brand section padding */
  .brand-section          { padding: 80px 0; }

  /* Footer */
  .footer-top             { flex-direction: column; gap: 40px; margin-bottom: 40px; padding-bottom: 40px; }
  .footer-bottom          { flex-direction: column; gap: 12px; text-align: center; }

  /* Scroll indicator clear of edges */
  .scroll-indicator       { right: 24px; }
}

/* ===== Mobile L (≤767px) ===== */
@media (max-width: 767px) {
  :root {
    --section-padding: 64px 0;
    --header-height: 60px;
  }

  .container       { padding: 0 20px; }
  .header-inner    { padding: 0 20px; }
  .footer-inner    { padding: 0 20px; }
  .mobile-nav      { padding: 24px 20px; }

  /* Headings */
  .section-title          { font-size: clamp(26px, 7vw, 40px); margin-bottom: 40px; }
  .section-title span     { font-size: 10px; padding-left: 1rem; }

  /* Top page hero */
  .hero                   { min-height: 480px; }
  .hero-catch             { font-size: clamp(20px, 6vw, 28px); letter-spacing: 0.1em; margin-bottom: 16px; }
  .hero-sub               { font-size: 9px; letter-spacing: 0.4em; }
  .scroll-indicator       { display: none; }

  /* Sub-page hero */
  .page-hero              { padding-top: calc(var(--header-height) + 48px); padding-bottom: 56px; }
  .page-hero-title        { font-size: clamp(32px, 9vw, 56px); }
  .page-hero-text         { font-size: 13px; line-height: 1.9; }
  .page-hero-image        { aspect-ratio: 4/3; margin-bottom: 48px; }

  /* Service cards */
  .service-card-body      { padding: 24px; }
  .service-card-title     { font-size: 17px; }

  /* Company table → stacked rows */
  .company-table tr       { display: block; padding: 14px 0; }
  .company-table tr:first-child { border-top: 1px solid var(--color-border); }
  .company-table th,
  .company-table td       { display: block; width: 100%; padding: 4px 0; }
  .company-table th       { font-size: 10px; }
  .company-table td       { font-size: 13px; }

  /* Brand & products */
  .brand-section          { padding: 64px 0; }
  .brand-logo-mark        { padding: 28px; font-size: 56px; }
  .gallery-grid           { grid-template-columns: 1fr; gap: 12px; }
  .products-grid          { grid-template-columns: 1fr; gap: 24px; }

  /* Renovation intro */
  .renovation-intro-text h3 { font-size: 18px; margin-bottom: 16px; }

  /* Contact */
  .contact-section        { padding-top: calc(var(--header-height) + 48px); padding-bottom: 64px; }
  .contact-form .form-group { margin-bottom: 24px; }
  .form-input,
  .form-textarea          { font-size: 16px; padding: 12px 14px; } /* 16px prevents iOS zoom */
  .form-textarea          { min-height: 160px; }
  .btn-submit             { padding: 14px 32px; font-size: 11px; width: 100%; justify-content: center; }
  .privacy-body           { padding: 16px; max-height: 320px; }

  /* Override large vertical padding from inline-styled CTA sections */
  section[style*="padding: 100px 0"] { padding-top: 64px !important; padding-bottom: 64px !important; }
}

/* ===== Mobile S (≤479px) ===== */
@media (max-width: 479px) {
  .container       { padding: 0 20px; }
  .header-inner    { padding: 0 20px; }
  .footer-inner    { padding: 0 20px; }

  .section-title   { font-size: 22px; margin-bottom: 32px; }
  .hero-catch      { font-size: 20px; letter-spacing: 0.08em; }
  .page-hero-title { font-size: clamp(28px, 9vw, 40px); }

  .logo-img        { height: 28px; }
  .footer-logo-img { height: 26px; }

  .service-card-body { padding: 20px; }
  .brand-logo-mark { padding: 24px; font-size: 44px; }

  .footer-nav      { gap: 28px; }
}