/* =============================================
   合同会社arata — style.css
   Design: B案（温かみ・親しみ系）
   Mobile-first
   ============================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* Colors */
  --color-bg:       #FDFAF5;
  --color-surface:  #F7F2EA;
  --color-accent:   #C8A97A;
  --color-accent-d: #A8885A;
  --color-text:     #2C1A0E;
  --color-text-sub: #6B4F3A;
  --color-text-inv: #FDFAF5;
  --color-border:   #E8DDD0;
  --color-line:     #00B900;
  --color-line-d:   #009900;
  --color-error:    #C0392B;
  --color-success:  #2E7D32;

  /* Typography */
  --font-heading: 'Noto Serif JP', 'Georgia', serif;
  --font-body:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;

  /* Spacing */
  --space-xs:  4px;
  --space-sm:  8px;
  --space-md:  16px;
  --space-lg:  24px;
  --space-xl:  40px;
  --space-2xl: 64px;
  --space-3xl: 96px;

  /* Layout */
  --container: 1100px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;

  /* Shadow */
  --shadow-sm: 0 1px 4px rgba(44,26,14,.08);
  --shadow-md: 0 4px 16px rgba(44,26,14,.10);
  --shadow-lg: 0 8px 32px rgba(44,26,14,.12);

  /* Transitions */
  --t-fast:   150ms ease;
  --t-base:   250ms ease;
  --t-slow:   400ms ease;

  /* Z-index scale */
  --z-header: 100;
  --z-mobile-nav: 200;
  --z-overlay: 150;
  --z-sticky-cta: 300;
}

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

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.75;
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }
input, textarea, select { font-family: inherit; }

/* ---------- Skip Link ---------- */
.skip-link {
  position: absolute;
  top: -100px;
  left: 16px;
  background: var(--color-text);
  color: var(--color-text-inv);
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  z-index: 9999;
  transition: top var(--t-fast);
}
.skip-link:focus { top: 8px; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-md);
}
@media (min-width: 768px) { .container { padding: 0 var(--space-xl); } }

/* ---------- Utility ---------- */
.sp-only { display: inline; }
.pc-only { display: none; }
@media (min-width: 768px) {
  .sp-only { display: none; }
  .pc-only { display: inline; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 12px 24px;
  border-radius: var(--radius-xl);
  font-family: var(--font-body);
  font-size: .9375rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color var(--t-fast), color var(--t-fast), transform var(--t-fast), box-shadow var(--t-fast);
  white-space: nowrap;
  min-height: 48px;
  text-decoration: none;
}
.btn:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
}
.btn:active { transform: scale(.97); }

.btn-primary {
  background: var(--color-accent);
  color: var(--color-text-inv);
}
.btn-primary:hover {
  background: var(--color-accent-d);
  box-shadow: var(--shadow-md);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-border);
}
.btn-outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-d);
}

.btn-header {
  background: var(--color-accent);
  color: var(--color-text-inv);
  padding: 8px 20px;
  font-size: .875rem;
  min-height: 40px;
  border-radius: var(--radius-xl);
}
.btn-header:hover { background: var(--color-accent-d); }

.btn-sm {
  padding: 8px 20px;
  font-size: .875rem;
  min-height: 40px;
}
.btn-lg {
  padding: 14px 32px;
  font-size: 1rem;
}

/* ---------- Section Base ---------- */
.section {
  padding: var(--space-2xl) 0;
}
@media (min-width: 768px) {
  .section { padding: var(--space-3xl) 0; }
}

.section-header {
  text-align: center;
  margin-bottom: var(--space-2xl);
}
.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .15em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.section-title {
  font-family: var(--font-heading);
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: var(--space-md);
}
.section-sub {
  font-size: .9375rem;
  color: var(--color-text-sub);
  max-width: 560px;
  margin: 0 auto;
}
.section-footer {
  text-align: center;
  margin-top: var(--space-xl);
}

/* ---------- HEADER ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  background: rgba(253,250,245,.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--t-base);
}
.site-header.scrolled { box-shadow: var(--shadow-md); }

.header-inner {
  display: flex;
  align-items: center;
  height: 60px;
  gap: var(--space-md);
}
@media (min-width: 768px) { .header-inner { height: 72px; } }

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
  flex-shrink: 0;
}
.logo-img {
  height: 40px;
  width: auto;
  display: block;
  border-radius: var(--radius-sm);
}
.logo-img--footer {
  height: 44px;
}
.logo-text {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text);
  white-space: nowrap;
  line-height: 1;
}
.logo-text strong { font-weight: 700; font-size: inherit; display: inline; }
.logo-text--footer { color: rgba(253,250,245,.85); }

.nav-desktop {
  display: none;
  margin-left: auto;
}
@media (min-width: 900px) { .nav-desktop { display: block; } }

.nav-desktop ul {
  display: flex;
  gap: var(--space-lg);
}
.nav-desktop a {
  font-size: .9375rem;
  font-weight: 500;
  color: var(--color-text);
  padding: 4px 0;
  position: relative;
  transition: color var(--t-fast);
}
.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0);
  transition: transform var(--t-fast);
  transform-origin: left;
}
.nav-desktop a:hover { color: var(--color-accent-d); }
.nav-desktop a:hover::after { transform: scaleX(1); }

.btn-header {
  margin-left: auto;
}
@media (min-width: 900px) { .btn-header { margin-left: var(--space-md); } }

/* Hamburger */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 6px;
  cursor: pointer;
  margin-left: auto;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }

.hamburger-bar {
  display: block;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--t-base), opacity var(--t-base);
  transform-origin: center;
}
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .hamburger-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  inset: 0;
  top: 60px;
  background: var(--color-bg);
  z-index: var(--z-mobile-nav);
  padding: var(--space-xl) var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  transform: translateX(100%);
  transition: transform var(--t-slow);
}
.mobile-nav.is-open { transform: translateX(0); }

.mobile-nav ul { display: flex; flex-direction: column; gap: var(--space-xs); }
.mobile-nav-link {
  display: block;
  padding: var(--space-md) var(--space-sm);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
  border-bottom: 1px solid var(--color-border);
  transition: color var(--t-fast), padding-left var(--t-fast);
}
.mobile-nav-link:hover {
  color: var(--color-accent);
  padding-left: var(--space-md);
}

.btn-mobile-cta {
  margin-top: auto;
  width: 100%;
  text-align: center;
}

.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(44,26,14,.4);
  z-index: calc(var(--z-mobile-nav) - 10);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--t-slow);
}
.nav-overlay.is-visible { opacity: 1; pointer-events: auto; }

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: min(100svh, 700px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  padding: calc(var(--space-2xl) + 60px) 0 var(--space-2xl);
}
@media (min-width: 768px) {
  .hero { min-height: min(100svh, 800px); }
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}
.hero-pattern {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 80% 20%, rgba(200,169,122,.18) 0%, transparent 60%),
    radial-gradient(ellipse at 10% 80%, rgba(200,169,122,.12) 0%, transparent 50%);
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

/* Left: text */
.hero-text {
  flex: 1 1 0;
  min-width: 0;
}

/* Right: image */
.hero-image-wrap {
  flex: 0 0 420px;
  max-width: 420px;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 4 / 5;
  background: linear-gradient(135deg, #EDE0CC 0%, #D4C4B0 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* Placeholder shown when hero.jpg is missing */
.hero-img-placeholder {
  background:
    radial-gradient(ellipse at 50% 40%, rgba(253,250,245,.7) 30%, transparent 70%),
    linear-gradient(135deg, #EDE0CC 0%, #D4C4B0 100%);
}
.hero-img-placeholder::after {
  content: '施工写真';
  font-family: var(--font-heading);
  font-size: .875rem;
  color: var(--color-accent-d);
  opacity: .6;
}
.hero-img-placeholder img { display: none; }

/* Mobile: stack vertically, image hidden on small screens */
@media (max-width: 899px) {
  .hero-inner { flex-direction: column; }
  .hero-image-wrap {
    display: none; /* show after real photo is added if needed on mobile */
  }
}
@media (min-width: 900px) and (max-width: 1099px) {
  .hero-image-wrap { flex: 0 0 340px; max-width: 340px; }
}

.hero-badge {
  display: inline-block;
  background: rgba(200,169,122,.15);
  border: 1px solid rgba(200,169,122,.4);
  color: var(--color-accent-d);
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .06em;
  padding: 5px 14px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-lg);
}

.hero-title {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 7vw, 3.5rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  letter-spacing: -.01em;
}

.hero-lead {
  font-size: clamp(.9375rem, 2.5vw, 1.0625rem);
  line-height: 2;
  color: var(--color-text-sub);
  max-width: 540px;
  margin-bottom: var(--space-xl);
}

.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-bottom: var(--space-xl);
}

.hero-stats {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
  flex-wrap: wrap;
}
.stat-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text);
}
.stat-label {
  font-size: .75rem;
  color: var(--color-text-sub);
  letter-spacing: .04em;
}
.stat-divider {
  width: 1px;
  height: 32px;
  background: var(--color-border);
}

.hero-scroll-hint {
  position: absolute;
  bottom: var(--space-lg);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  font-size: .6875rem;
  letter-spacing: .12em;
  color: var(--color-text-sub);
}
.scroll-arrow {
  width: 1px;
  height: 40px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollPulse 1.6s ease-in-out infinite;
}
@keyframes scrollPulse {
  0%, 100% { opacity: .3; transform: scaleY(.6); }
  50% { opacity: 1; transform: scaleY(1); }
}

/* ---------- TRUST BAR ---------- */
.trust-bar {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-xl) 0;
}
.trust-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-lg);
}
@media (min-width: 768px) {
  .trust-inner { grid-template-columns: repeat(4, 1fr); gap: var(--space-xl); }
}
.trust-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.trust-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(200,169,122,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.trust-title {
  font-weight: 700;
  font-size: .9375rem;
  margin-bottom: 2px;
}
.trust-sub {
  font-size: .8125rem;
  color: var(--color-text-sub);
}

/* ---------- SERVICES ---------- */
.services { background: var(--color-bg); }

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 600px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 960px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl) var(--space-lg);
  transition: box-shadow var(--t-base), transform var(--t-base), border-color var(--t-base);
}
.service-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
  transform: translateY(-2px);
}

.service-card--cta {
  background: var(--color-surface);
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: space-between;
}
.service-card--cta .service-desc { margin-bottom: var(--space-lg); }

.service-icon {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-md);
  background: rgba(200,169,122,.12);
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-md);
}

.service-name {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.service-desc {
  font-size: .9375rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}

.service-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}
.service-tags li {
  font-size: .75rem;
  color: var(--color-accent-d);
  background: rgba(200,169,122,.1);
  border: 1px solid rgba(200,169,122,.25);
  padding: 2px 10px;
  border-radius: var(--radius-xl);
  font-weight: 500;
}

/* ---------- WORKS ---------- */
.works { background: var(--color-surface); }

.works-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}
@media (min-width: 768px) {
  .works-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .works-grid { grid-template-columns: repeat(3, 1fr); }
}

.work-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: box-shadow var(--t-base), transform var(--t-base);
}
.work-card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.work-images {
  display: grid;
  grid-template-columns: 1fr 1fr;
  height: 200px;
}
.work-img-wrap { overflow: hidden; }

.work-img-wrap--photo {
  position: relative;
}
.work-photo {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform var(--t-slow);
}
.work-card:hover .work-photo { transform: scale(1.04); }

.work-ba-label {
  position: absolute;
  top: 8px;
  left: 8px;
  z-index: 1;
  font-size: .6875rem;
  font-weight: 700;
  letter-spacing: .08em;
  background: rgba(44,26,14,.55);
  color: #fff;
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  backdrop-filter: blur(4px);
}
.work-ba-label--after {
  background: rgba(200,169,122,.8);
}
.work-img-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .06em;
}
.work-img-before  { background: #D4C4B0; color: #5a4030; }
.work-img-after   { background: #C8A97A; color: #fff; }
.work-img-before--2 { background: #BDB0A0; }
.work-img-after--2  { background: #8FA88A; color: #fff; }
.work-img-before--3 { background: #C5BAB0; }
.work-img-after--3  { background: #A8C0C8; color: #fff; }

.placeholder-label {
  font-size: .6875rem;
  opacity: .8;
}
.placeholder-location {
  font-size: .8125rem;
  font-weight: 700;
  text-align: center;
  padding: 0 8px;
}

.work-info {
  padding: var(--space-lg);
}
.work-tag {
  display: inline-block;
  font-size: .75rem;
  font-weight: 700;
  color: var(--color-accent-d);
  background: rgba(200,169,122,.1);
  border: 1px solid rgba(200,169,122,.25);
  padding: 2px 10px;
  border-radius: var(--radius-xl);
  margin-bottom: var(--space-sm);
}
.work-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.work-detail {
  font-size: .875rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}
.work-meta {
  display: flex;
  gap: var(--space-lg);
}
.work-meta > div {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: .8125rem;
}
.work-meta dt {
  color: var(--color-text-sub);
}
.work-meta dd {
  font-weight: 600;
}

/* ---------- VOICE ---------- */
.voice { background: var(--color-bg); }

.voices-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}
@media (min-width: 768px) {
  .voices-grid { grid-template-columns: repeat(3, 1fr); }
}

.voice-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  padding: var(--space-xl) var(--space-lg);
  position: relative;
}
.voice-card::before {
  content: '\201C';
  position: absolute;
  top: 12px;
  left: 16px;
  font-family: var(--font-heading);
  font-size: 3rem;
  line-height: 1;
  color: var(--color-accent);
  opacity: .3;
  pointer-events: none;
}
.voice-text {
  font-size: .9375rem;
  line-height: 1.9;
  color: var(--color-text);
  margin-bottom: var(--space-lg);
  padding-top: var(--space-sm);
}
.voice-footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.voice-name {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-text);
}
.voice-work {
  font-size: .8125rem;
  color: var(--color-text-sub);
}

/* ---------- ABOUT ---------- */
.about { background: var(--color-surface); }

.about-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}
@media (min-width: 768px) {
  .about-inner {
    flex-direction: row;
    align-items: flex-start;
    gap: var(--space-2xl);
  }
}

.about-photo-wrap { flex-shrink: 0; }
.about-photo-real {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  margin: 0 auto;
}
@media (min-width: 768px) { .about-photo-real { margin: 0; } }

.representative-img {
  width: 220px;
  height: 280px;
  object-fit: cover;
  object-position: center top;
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  display: block;
}

.photo-caption {
  font-family: var(--font-heading);
  font-size: .9375rem;
  font-weight: 600;
  color: var(--color-text);
}

.about-role {
  font-size: .8125rem;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}
.about-name {
  font-family: var(--font-heading);
  font-size: 1.625rem;
  font-weight: 700;
  margin-bottom: var(--space-lg);
  line-height: 1.3;
}
.about-name-kana {
  font-size: .9rem;
  font-weight: 400;
  color: var(--color-text-sub);
  margin-left: var(--space-sm);
}
.about-message {
  font-size: .9375rem;
  line-height: 2;
  color: var(--color-text-sub);
  margin-bottom: var(--space-md);
}
.about-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}
.about-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  font-size: .8125rem;
  font-weight: 600;
  color: var(--color-text-sub);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  padding: 5px 14px;
  border-radius: var(--radius-xl);
}

.area-section {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
}
.area-title {
  font-family: var(--font-heading);
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
}
.area-desc {
  font-size: .9375rem;
  color: var(--color-text-sub);
  line-height: 1.8;
  margin-bottom: var(--space-md);
}
.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}
.area-tag {
  font-size: .875rem;
  font-weight: 600;
  padding: 5px 16px;
  border-radius: var(--radius-xl);
  border: 1px solid var(--color-border);
  color: var(--color-text-sub);
}
.area-tag--main {
  background: rgba(200,169,122,.15);
  border-color: rgba(200,169,122,.4);
  color: var(--color-accent-d);
}

/* ---------- FLOW ---------- */
.flow { background: var(--color-bg); }

.flow-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  max-width: 700px;
  margin: 0 auto;
  counter-reset: none;
}
.flow-item {
  display: flex;
  gap: var(--space-lg);
  position: relative;
  padding-bottom: var(--space-xl);
}
.flow-item:last-child { padding-bottom: 0; }
.flow-item::before {
  content: '';
  position: absolute;
  left: 23px;
  top: 48px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}
.flow-item:last-child::before { display: none; }

.flow-num {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text-inv);
  font-family: var(--font-heading);
  font-size: .875rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
  box-shadow: 0 0 0 4px rgba(200,169,122,.15);
}

.flow-title {
  font-family: var(--font-heading);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-sm);
  padding-top: 10px;
}
.flow-desc {
  font-size: .9375rem;
  color: var(--color-text-sub);
  line-height: 1.8;
}

/* ---------- CONTACT ---------- */
.contact { background: var(--color-surface); }

.contact-inner {
  display: flex;
  justify-content: center;
}

.contact-info {
  max-width: 700px;
  width: 100%;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
}
@media (min-width: 640px) {
  .contact-info {
    flex-direction: row;
    gap: var(--space-2xl);
    align-items: flex-start;
  }
  .contact-method { flex: 1; }
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: var(--space-md);
}
.contact-method-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: rgba(200,169,122,.12);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-accent);
}
.contact-method-icon--line {
  background: rgba(0,185,0,.10);
  color: var(--color-line);
}
.contact-method-label {
  font-size: .8125rem;
  color: var(--color-text-sub);
  margin-bottom: var(--space-xs);
}
.contact-tel {
  display: block;
  font-family: var(--font-heading);
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text);
  letter-spacing: .02em;
  margin-bottom: 2px;
  white-space: nowrap;
  transition: color var(--t-fast);
}
.contact-tel:hover { color: var(--color-accent); }

.contact-line-btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  background: var(--color-line);
  color: #fff;
  padding: 8px 18px;
  border-radius: var(--radius-xl);
  font-size: .9375rem;
  font-weight: 700;
  margin-bottom: 4px;
  min-height: 44px;
  white-space: nowrap;
  transition: background var(--t-fast), transform var(--t-fast);
}
.contact-line-btn:hover {
  background: var(--color-line-d);
  transform: translateY(-1px);
}

.contact-method-note {
  font-size: .8125rem;
  color: var(--color-text-sub);
}

/* Form */
.contact-form {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-xl);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group { display: flex; flex-direction: column; gap: var(--space-xs); }

.form-label {
  font-size: .875rem;
  font-weight: 700;
  color: var(--color-text);
}
.required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: 1rem;
  color: var(--color-text);
  background: #fff;
  transition: border-color var(--t-fast), box-shadow var(--t-fast);
  appearance: none;
  min-height: 48px;
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(200,169,122,.2);
}
.form-input.is-invalid, .form-select.is-invalid, .form-textarea.is-invalid {
  border-color: var(--color-error);
}
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B4F3A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 40px;
}

.form-error {
  font-size: .8125rem;
  color: var(--color-error);
  display: block;
  min-height: 1.2em;
}

.btn-submit {
  width: 100%;
  margin-top: var(--space-sm);
  position: relative;
}
.btn-submit:disabled {
  opacity: .6;
  cursor: not-allowed;
  transform: none;
}

.form-privacy {
  font-size: .8125rem;
  color: var(--color-text-sub);
  text-align: center;
}

.form-success-msg {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  background: rgba(46,125,50,.1);
  border: 1px solid rgba(46,125,50,.3);
  color: var(--color-success);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  font-weight: 600;
  font-size: .9375rem;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: var(--color-text);
  color: rgba(253,250,245,.85);
  padding: var(--space-2xl) 0 0;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-xl);
  padding-bottom: var(--space-2xl);
}
@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    align-items: flex-start;
    justify-content: space-between;
  }
}

.site-footer .logo-mark { background: var(--color-accent); }
.site-footer .logo-text { color: rgba(253,250,245,.9); }

.footer-tagline {
  margin-top: var(--space-sm);
  font-size: .875rem;
  font-family: var(--font-heading);
  color: rgba(253,250,245,.6);
}

.footer-nav ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md) var(--space-xl);
}
.footer-nav a {
  font-size: .9375rem;
  color: rgba(253,250,245,.75);
  transition: color var(--t-fast);
}
.footer-nav a:hover { color: var(--color-accent); }

.footer-insta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.footer-bottom {
  border-top: 1px solid rgba(253,250,245,.1);
  padding: var(--space-md) 0;
  padding-bottom: calc(var(--space-md) + 80px); /* space for sticky CTA */
  text-align: center;
}
.footer-copy {
  font-size: .8125rem;
  color: rgba(253,250,245,.4);
}

/* ---------- STICKY CTA ---------- */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: var(--z-sticky-cta);
  display: grid;
  grid-template-columns: 1fr 1fr;
  box-shadow: 0 -4px 20px rgba(44,26,14,.15);
}

.sticky-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 10px var(--space-md);
  min-height: 64px;
  font-size: .8125rem;
  font-weight: 700;
  transition: filter var(--t-fast), transform var(--t-fast);
  padding-bottom: calc(10px + env(safe-area-inset-bottom, 0px));
}
.sticky-btn:active { transform: scale(.98); }
.sticky-btn:focus-visible {
  outline: 3px solid #fff;
  outline-offset: -3px;
}

.sticky-btn--line {
  background: var(--color-line);
  color: #fff;
}
.sticky-btn--line:hover { filter: brightness(1.1); }

.sticky-btn--tel {
  background: var(--color-accent);
  color: #fff;
}
.sticky-btn--tel:hover { filter: brightness(1.1); }

/* ---------- ANIMATIONS ---------- */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--t-slow), transform var(--t-slow);
}
[data-animate].is-visible {
  opacity: 1;
  transform: translateY(0);
}
[data-delay="80"]  { transition-delay: 80ms; }
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="160"] { transition-delay: 160ms; }
[data-delay="240"] { transition-delay: 240ms; }
[data-delay="320"] { transition-delay: 320ms; }
[data-delay="400"] { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  [data-animate] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Desktop adjustments ---------- */
@media (min-width: 1024px) {
  .sticky-cta {
    left: auto;
    right: var(--space-xl);
    bottom: var(--space-xl);
    grid-template-columns: none;
    grid-template-rows: 1fr 1fr;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    width: 140px;
  }
  .sticky-btn {
    flex-direction: row;
    gap: var(--space-sm);
    justify-content: center;
    padding: var(--space-md);
    min-height: 56px;
    font-size: .875rem;
    padding-bottom: var(--space-md);
  }
  .footer-bottom {
    padding-bottom: var(--space-md);
  }
}