/* ==========================================================================
   MONO PAINT - Monochrome Exterior Painting Specialist
   Pure B&W + Grayscale Design System
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Noto Sans JP', 'DM Sans', sans-serif;
  color: #000;
  background: #fff;
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: opacity .3s ease;
}

a:hover {
  opacity: .7;
}

ul, ol {
  list-style: none;
}

button {
  font-family: inherit;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only {
  display: none;
}

/* ===== SAMPLE BANNER ===== */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 9999;
  background: #000;
  color: #fff;
  text-align: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .05em;
  line-height: 1.4;
}

.sample-banner a {
  color: #fff;
  text-decoration: underline;
}

.sample-banner a:hover {
  opacity: .8;
}

/* ==========================================================================
   HEADER
   ========================================================================== */
.header {
  position: fixed;
  top: 32px;
  left: 0;
  width: 100%;
  z-index: 100;
  padding: 0 32px;
  transition: background .4s ease, box-shadow .4s ease, top .3s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, .96);
  box-shadow: 0 1px 0 rgba(0, 0, 0, .08);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
  max-width: 1200px;
  margin: 0 auto;
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo:hover {
  opacity: 1;
}

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: #000;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 18px;
  font-weight: 700;
  letter-spacing: -.02em;
  transition: background .3s, color .3s;
}

.header.scrolled .logo-mark {
  background: #000;
  color: #fff;
}

.logo-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
}

/* Nav Desktop */
.nav-desktop {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-desktop a {
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #000;
  position: relative;
  transition: color .3s;
}

.nav-desktop a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #000;
  transition: width .3s ease;
}

.nav-desktop a:hover {
  opacity: 1;
}

.nav-desktop a:hover::after {
  width: 100%;
}

.nav-cta {
  background: #000 !important;
  color: #fff !important;
  padding: 8px 20px !important;
  font-size: 12px !important;
  letter-spacing: .1em !important;
  transition: background .3s !important;
}

.nav-cta::after {
  display: none !important;
}

.nav-cta:hover {
  background: #333 !important;
  opacity: 1 !important;
}

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 6px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 200;
  padding: 0;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: #000;
  transition: transform .3s ease, opacity .3s ease;
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7.5px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7.5px) rotate(-45deg);
}

/* Mobile Nav */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  background: #fff;
  z-index: 150;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity .4s ease, visibility .4s ease;
}

.mobile-nav.active {
  opacity: 1;
  visibility: visible;
}

.mobile-nav-inner {
  text-align: center;
}

.mobile-nav-logo {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .15em;
  margin-bottom: 48px;
  text-transform: uppercase;
  color: #999;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 28px;
  margin-bottom: 48px;
}

.mobile-nav-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 22px;
  font-weight: 300;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: #000;
  transition: color .3s;
}

.mobile-nav-links a:hover {
  color: #666;
  opacity: 1;
}

.mobile-nav-info {
  color: #999;
  font-size: 13px;
  line-height: 2;
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 700px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero-bg {
  position: absolute;
  inset: 0;
}

.hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%) contrast(1.1);
  transition: transform 8s ease;
}

.hero:hover .hero-bg img {
  transform: scale(1.03);
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, .55) 0%,
    rgba(0, 0, 0, .4) 50%,
    rgba(0, 0, 0, .65) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  padding: 0 24px;
  max-width: 800px;
}

.hero-sub {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  margin-bottom: 24px;
  color: rgba(255, 255, 255, .7);
}

.hero-title {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 300;
  letter-spacing: .08em;
  line-height: 1.5;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 15px;
  font-weight: 300;
  letter-spacing: .06em;
  color: rgba(255, 255, 255, .8);
  margin-bottom: 48px;
  line-height: 1.9;
}

/* Hero Stats */
.hero-stats {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  margin-bottom: 48px;
}

.hero-stat {
  text-align: center;
}

.hero-stat-num {
  font-family: 'DM Sans', sans-serif;
  font-size: clamp(36px, 5vw, 52px);
  font-weight: 300;
  letter-spacing: -.02em;
  display: inline-block;
}

.hero-stat-unit {
  font-size: 16px;
  font-weight: 300;
  margin-left: 2px;
}

.hero-stat-label {
  display: block;
  font-size: 11px;
  color: rgba(255, 255, 255, .6);
  letter-spacing: .1em;
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  height: 48px;
  background: rgba(255, 255, 255, .2);
}

/* Hero CTA */
.hero-cta {
  display: inline-block;
  border: 1px solid #fff;
  color: #fff;
  padding: 14px 40px;
  font-size: 13px;
  letter-spacing: .12em;
  transition: background .3s ease, color .3s ease;
}

.hero-cta:hover {
  background: #fff;
  color: #000;
  opacity: 1;
}

/* Hero Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .5);
}

.hero-scroll span {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255, 255, 255, .3);
  position: relative;
  overflow: hidden;
}

.hero-scroll-line::after {
  content: '';
  position: absolute;
  top: -100%;
  left: 0;
  width: 100%;
  height: 100%;
  background: #fff;
  animation: scrollLine 2s ease infinite;
}

@keyframes scrollLine {
  0% { top: -100%; }
  100% { top: 100%; }
}

/* ==========================================================================
   SECTION COMMON
   ========================================================================== */
.section-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #999;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(24px, 3.5vw, 36px);
  font-weight: 300;
  letter-spacing: .08em;
  margin-bottom: 16px;
  line-height: 1.4;
}

.section-desc {
  font-size: 15px;
  color: #666;
  line-height: 1.9;
  margin-bottom: 48px;
  max-width: 600px;
}

/* ==========================================================================
   PHILOSOPHY
   ========================================================================== */
.philosophy {
  padding: 120px 0;
  background: #fff;
}

.philosophy-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  margin-top: 48px;
  align-items: start;
}

.philosophy-lead {
  font-size: 20px;
  font-weight: 300;
  letter-spacing: .06em;
  line-height: 2;
  margin-bottom: 32px;
  color: #000;
}

.philosophy-text p {
  font-size: 14px;
  color: #666;
  line-height: 2;
  margin-bottom: 20px;
}

.philosophy-text p:last-child {
  margin-bottom: 0;
}

.philosophy-visual {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.philosophy-colors {
  display: flex;
  flex-direction: column;
  gap: 0;
  width: 100%;
}

.color-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  color: #fff;
  font-family: 'DM Sans', sans-serif;
  font-size: 13px;
  letter-spacing: .05em;
  transition: padding .3s ease;
}

.color-chip:hover {
  padding-left: 32px;
  padding-right: 32px;
}

.color-name {
  font-weight: 500;
}

.color-code {
  font-weight: 300;
  opacity: .8;
}

.philosophy-caption {
  text-align: center;
  font-size: 12px;
  color: #999;
  margin-top: 20px;
  letter-spacing: .05em;
  line-height: 1.8;
}

/* ==========================================================================
   TEXTURE
   ========================================================================== */
.texture {
  padding: 120px 0;
  background: #f7f7f7;
}

.texture .section-desc {
  margin-bottom: 48px;
}

.texture-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.texture-card {
  background: #fff;
  padding: 40px 28px;
  text-align: center;
  border: 1px solid #eee;
  transition: transform .4s ease, box-shadow .4s ease, border-color .4s ease;
}

.texture-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .06);
  border-color: #ccc;
}

.texture-icon {
  width: 100px;
  height: 100px;
  margin: 0 auto 24px;
}

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

.texture-name {
  font-family: 'DM Sans', sans-serif;
  font-size: 16px;
  font-weight: 600;
  letter-spacing: .08em;
  margin-bottom: 4px;
}

.texture-jp {
  font-size: 12px;
  color: #999;
  margin-bottom: 16px;
  letter-spacing: .05em;
}

.texture-desc {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
  text-align: left;
}

/* ==========================================================================
   WORKS
   ========================================================================== */
.works {
  padding: 120px 0;
  background: #fff;
}

.works .section-desc {
  margin-bottom: 48px;
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.work-card {
  background: #fff;
  border: 1px solid #eee;
  overflow: hidden;
  transition: transform .4s ease, box-shadow .4s ease;
}

.work-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, .06);
}

.work-img {
  position: relative;
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

.work-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: grayscale(100%);
  transition: transform .6s ease, filter .6s ease;
}

.work-card:hover .work-img img {
  transform: scale(1.04);
  filter: grayscale(80%);
}

.work-overlay {
  position: absolute;
  top: 16px;
  left: 16px;
}

.work-tag {
  font-family: 'DM Sans', sans-serif;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .15em;
  text-transform: uppercase;
  background: #000;
  color: #fff;
  padding: 4px 12px;
  display: inline-block;
}

.work-info {
  padding: 24px;
}

.work-info h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.work-meta {
  font-size: 12px;
  color: #999;
  margin-bottom: 12px;
  letter-spacing: .03em;
}

.work-text {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
  margin-bottom: 16px;
}

.work-spec {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.work-spec span {
  font-size: 11px;
  color: #999;
  background: #f5f5f5;
  padding: 4px 10px;
  letter-spacing: .02em;
}

/* ==========================================================================
   DESIGNER VOICE
   ========================================================================== */
.voice {
  padding: 120px 0;
  background: #000;
  color: #fff;
}

.voice .section-label {
  color: #666;
}

.voice .section-title {
  color: #fff;
}

.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.voice-card {
  background: #111;
  border: 1px solid #222;
  padding: 40px 32px;
  position: relative;
  transition: border-color .3s ease, background .3s ease;
}

.voice-card:hover {
  border-color: #444;
  background: #1a1a1a;
}

.voice-quote {
  font-family: 'DM Sans', serif;
  font-size: 64px;
  font-weight: 300;
  color: #333;
  line-height: 1;
  margin-bottom: 8px;
  user-select: none;
}

.voice-text {
  font-size: 14px;
  line-height: 2;
  color: #ccc;
  margin-bottom: 24px;
}

.voice-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.voice-author-icon {
  width: 40px;
  height: 40px;
  background: #333;
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'DM Sans', sans-serif;
  font-size: 15px;
  font-weight: 600;
  flex-shrink: 0;
}

.voice-name {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .03em;
}

.voice-role {
  font-size: 11px;
  color: #666;
  margin-top: 2px;
}

/* ==========================================================================
   CTA BANNER
   ========================================================================== */
.cta-banner {
  padding: 0;
  background: #000;
}

.cta-banner-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 64px 48px;
  gap: 40px;
}

.cta-banner-label {
  font-family: 'DM Sans', sans-serif;
  font-size: 11px;
  font-weight: 500;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: #666;
  margin-bottom: 8px;
}

.cta-banner-title {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  letter-spacing: .06em;
  color: #fff;
  line-height: 1.5;
  margin-bottom: 12px;
}

.cta-banner-desc {
  font-size: 13px;
  color: #999;
  line-height: 1.9;
}

.cta-banner-btn {
  display: inline-block;
  border: 1px solid #fff;
  color: #fff;
  padding: 16px 40px;
  font-size: 13px;
  letter-spacing: .1em;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .3s, color .3s;
}

.cta-banner-btn:hover {
  background: #fff;
  color: #000;
  opacity: 1;
}

/* ==========================================================================
   WHY MONO PAINT
   ========================================================================== */
.why {
  padding: 120px 0;
  background: #f7f7f7;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-top: 48px;
}

.why-card {
  background: #fff;
  padding: 40px 36px;
  border: 1px solid #eee;
  transition: transform .4s ease, box-shadow .4s ease;
}

.why-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 16px 48px rgba(0, 0, 0, .05);
}

.why-num {
  font-family: 'DM Sans', sans-serif;
  font-size: 32px;
  font-weight: 300;
  color: #ccc;
  margin-bottom: 12px;
  letter-spacing: -.02em;
}

.why-title {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .04em;
  margin-bottom: 12px;
}

.why-text {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
}

/* ==========================================================================
   FLOW
   ========================================================================== */
.flow {
  padding: 120px 0;
  background: #fff;
}

.flow-steps {
  max-width: 700px;
  margin: 48px auto 0;
  position: relative;
}

.flow-steps::before {
  content: '';
  position: absolute;
  left: 28px;
  top: 0;
  bottom: 0;
  width: 1px;
  background: #eee;
}

.flow-step {
  display: flex;
  gap: 32px;
  margin-bottom: 48px;
  position: relative;
}

.flow-step:last-child {
  margin-bottom: 0;
}

.flow-num {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .05em;
  color: #000;
  background: #fff;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid #000;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
  transition: background .3s ease, color .3s ease;
}

.flow-step:hover .flow-num {
  background: #000;
  color: #fff;
}

.flow-content {
  padding-top: 4px;
}

.flow-content h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .04em;
  margin-bottom: 8px;
}

.flow-content p {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
}

/* ==========================================================================
   COMPANY
   ========================================================================== */
.company {
  padding: 120px 0;
  background: #f7f7f7;
}

.company-table {
  max-width: 800px;
  margin: 40px auto 0;
}

.company-row {
  display: flex;
  border-bottom: 1px solid #ddd;
  padding: 18px 0;
  transition: background .3s;
}

.company-row:hover {
  background: rgba(0, 0, 0, .02);
}

.company-th {
  width: 140px;
  font-size: 13px;
  font-weight: 500;
  color: #000;
  letter-spacing: .04em;
  flex-shrink: 0;
}

.company-td {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* Company Guarantee */
.company-guarantee {
  max-width: 800px;
  margin: 48px auto 0;
}

.guarantee-inner {
  display: flex;
  align-items: center;
  gap: 40px;
  background: #fff;
  border: 1px solid #ddd;
  padding: 40px;
}

.guarantee-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  border: 2px solid #000;
  flex-shrink: 0;
}

.guarantee-num {
  font-family: 'DM Sans', sans-serif;
  font-size: 36px;
  font-weight: 300;
  line-height: 1;
}

.guarantee-unit {
  font-size: 12px;
  letter-spacing: .08em;
  margin-top: 4px;
}

.guarantee-text h3 {
  font-size: 16px;
  font-weight: 500;
  letter-spacing: .04em;
  margin-bottom: 10px;
}

.guarantee-text p {
  font-size: 13px;
  color: #666;
  line-height: 1.9;
}

/* ==========================================================================
   CONTACT
   ========================================================================== */
.contact {
  padding: 120px 0;
  background: #fff;
}

.contact .section-desc {
  margin-bottom: 48px;
}

.contact-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 64px;
  align-items: start;
}

/* Phone Block */
.contact-phone {
  text-align: center;
  background: #000;
  color: #fff;
  padding: 48px 32px;
}

.contact-phone-label {
  font-size: 12px;
  color: #999;
  letter-spacing: .08em;
  margin-bottom: 12px;
}

.contact-phone-num {
  display: block;
  font-family: 'DM Sans', sans-serif;
  font-size: 24px;
  font-weight: 300;
  letter-spacing: .08em;
  margin-bottom: 12px;
  color: #fff;
  transition: opacity .3s;
}

.contact-phone-num:hover {
  opacity: .8;
}

.contact-phone-hours {
  font-size: 11px;
  color: #666;
}

/* Contact Form */
.contact-form {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .05em;
  color: #333;
}

.required {
  font-size: 10px;
  color: #fff;
  background: #000;
  padding: 1px 6px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
  border: 1px solid #ddd;
  padding: 12px 16px;
  font-size: 14px;
  font-family: 'Noto Sans JP', sans-serif;
  background: #fff;
  color: #000;
  transition: border-color .3s ease, box-shadow .3s ease;
  outline: none;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: #000;
  box-shadow: 0 0 0 1px #000;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: #bbb;
}

.form-group select {
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-note {
  font-size: 11px;
  color: #999;
  line-height: 1.8;
}

.form-note p {
  margin: 0;
}

.form-submit {
  background: #000;
  color: #fff;
  border: none;
  padding: 16px 48px;
  font-size: 14px;
  letter-spacing: .1em;
  cursor: pointer;
  align-self: flex-start;
  transition: background .3s ease, transform .2s ease;
  font-family: 'Noto Sans JP', sans-serif;
}

.form-submit:hover {
  background: #333;
}

.form-submit:active {
  transform: scale(.98);
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background: #000;
  color: #fff;
  padding: 64px 0 32px;
}

.footer .logo-mark {
  background: #fff;
  color: #000;
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 40px;
  border-bottom: 1px solid #222;
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-address {
  font-size: 12px;
  color: #666;
  line-height: 1.8;
}

.footer-brand .logo-text {
  font-family: 'DM Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
}

.footer-tagline {
  font-size: 12px;
  color: #666;
  letter-spacing: .05em;
}

.footer-links {
  display: flex;
  gap: 24px;
}

.footer-links a {
  font-family: 'DM Sans', sans-serif;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #666;
  transition: color .3s ease;
}

.footer-links a:hover {
  color: #fff;
  opacity: 1;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 24px;
  font-size: 11px;
  color: #666;
}

.footer-credit a {
  color: #999;
  text-decoration: underline;
}

.footer-credit a:hover {
  color: #fff;
  opacity: 1;
}

/* ==========================================================================
   ANIMATIONS
   ========================================================================== */
[data-anim] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .7s ease, transform .7s ease;
}

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

/* Parallax subtle for hero background */
@keyframes heroFloat {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ==========================================================================
   RESPONSIVE - Tablet (1024px)
   ========================================================================== */
@media (max-width: 1024px) {
  .texture-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .works-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
  }

  .voice-grid {
    grid-template-columns: 1fr;
    max-width: 600px;
  }

  .philosophy-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .why-grid {
    grid-template-columns: 1fr;
  }

  .cta-banner-inner {
    flex-direction: column;
    text-align: center;
    padding: 48px 32px;
  }

  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .contact-phone {
    max-width: 400px;
  }
}

/* ==========================================================================
   RESPONSIVE - Mobile (768px)
   ========================================================================== */
@media (max-width: 768px) {
  .sp-only {
    display: inline;
  }

  /* Header Mobile */
  .header {
    padding: 0 16px;
    top: 32px;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero Mobile */
  .hero {
    min-height: 100svh;
  }

  .hero-title {
    font-size: 28px;
    letter-spacing: .04em;
  }

  .hero-desc {
    font-size: 13px;
    margin-bottom: 36px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-stat-divider {
    width: 48px;
    height: 1px;
  }

  .hero-stat-num {
    font-size: 40px;
  }

  .hero-cta {
    padding: 12px 32px;
    font-size: 12px;
  }

  .hero-scroll {
    display: none;
  }

  /* Sections Mobile */
  .philosophy,
  .texture,
  .works,
  .voice,
  .flow,
  .company,
  .contact,
  .why {
    padding: 80px 0;
  }

  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-card {
    padding: 28px 24px;
  }

  .why-num {
    font-size: 24px;
  }

  .cta-banner-inner {
    padding: 40px 20px;
  }

  .cta-banner-btn {
    padding: 14px 32px;
    font-size: 12px;
  }

  .section-title {
    font-size: 22px;
  }

  .section-desc {
    font-size: 14px;
    margin-bottom: 36px;
  }

  /* Philosophy Mobile */
  .philosophy-lead {
    font-size: 17px;
  }

  /* Texture Mobile */
  .texture-grid {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .texture-card {
    padding: 24px 16px;
  }

  .texture-icon {
    width: 72px;
    height: 72px;
  }

  .texture-desc {
    font-size: 12px;
  }

  /* Works Mobile */
  .works-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .work-info {
    padding: 20px;
  }

  .work-info h3 {
    font-size: 14px;
  }

  .work-text {
    font-size: 12px;
  }

  /* Voice Mobile */
  .voice-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .voice-card {
    padding: 32px 24px;
  }

  .voice-quote {
    font-size: 48px;
  }

  .voice-text {
    font-size: 13px;
  }

  /* Flow Mobile */
  .flow-step {
    gap: 20px;
  }

  .flow-num {
    width: 44px;
    height: 44px;
    font-size: 12px;
  }

  .flow-steps::before {
    left: 22px;
  }

  .flow-content h3 {
    font-size: 14px;
  }

  .flow-content p {
    font-size: 12px;
  }

  /* Company Mobile */
  .company-row {
    flex-direction: column;
    gap: 4px;
  }

  .company-th {
    width: auto;
    font-size: 11px;
    color: #999;
  }

  .company-td {
    font-size: 13px;
  }

  .guarantee-inner {
    flex-direction: column;
    text-align: center;
    padding: 32px 24px;
    gap: 24px;
  }

  .guarantee-badge {
    width: 80px;
    height: 80px;
  }

  .guarantee-num {
    font-size: 28px;
  }

  /* Contact Mobile */
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .contact-phone {
    max-width: none;
    padding: 36px 24px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .form-submit {
    width: 100%;
    text-align: center;
  }

  /* Footer Mobile */
  .footer-top {
    flex-direction: column;
    gap: 32px;
  }

  .footer-links {
    flex-wrap: wrap;
    gap: 16px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

/* ==========================================================================
   RESPONSIVE - Small Mobile (480px)
   ========================================================================== */
@media (max-width: 480px) {
  .container {
    padding: 0 16px;
  }

  .hero-title {
    font-size: 24px;
  }

  .hero-sub {
    font-size: 10px;
    letter-spacing: .2em;
  }

  .texture-grid {
    grid-template-columns: 1fr;
  }

  .texture-card {
    padding: 32px 24px;
  }

  .philosophy-lead {
    font-size: 16px;
  }

  .color-chip {
    padding: 14px 16px;
    font-size: 11px;
  }

  .flow-step {
    gap: 16px;
  }

  .flow-num {
    width: 40px;
    height: 40px;
    font-size: 11px;
  }

  .flow-steps::before {
    left: 20px;
  }

  .voice-card {
    padding: 24px 20px;
  }

  .work-spec {
    gap: 4px;
  }

  .work-spec span {
    font-size: 10px;
    padding: 3px 8px;
  }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */
@media print {
  .sample-banner,
  .header,
  .hamburger,
  .mobile-nav,
  .hero-scroll,
  .hero-cta {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    height: auto;
    min-height: auto;
    padding: 40px 0;
  }

  .hero-bg {
    display: none;
  }

  .hero-content {
    color: #000;
  }

  .hero-stat-label {
    color: #666;
  }

  .voice {
    background: #fff;
    color: #000;
  }

  .voice .section-title {
    color: #000;
  }

  .voice-card {
    background: #f5f5f5;
    border-color: #ddd;
  }

  .voice-text {
    color: #333;
  }

  .footer {
    background: #fff;
    color: #000;
  }

  section {
    page-break-inside: avoid;
  }
}