/* ============================================
   木楽の家 - KIRAKU NO IE
   Natural Wood House Builder Website
   ============================================ */

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

:root {
  --color-base: #FFF9F0;
  --color-white: #FFFFFF;
  --color-primary: #5C3D2E;
  --color-primary-light: #7A5A4A;
  --color-primary-dark: #3E2A1E;
  --color-accent: #B8860B;
  --color-accent-light: #D4A83A;
  --color-warm: #F5E6D3;
  --color-warm-deep: #E8D5BE;
  --color-text: #3A2D24;
  --color-text-light: #6B5B4F;
  --color-text-muted: #9A8A7C;
  --color-border: #E5D8CA;
  --font-display: 'Playfair Display', serif;
  --font-body: 'Noto Sans JP', sans-serif;
  --header-height: 72px;
  --banner-height: 40px;
  --container-max: 1160px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(92, 61, 46, 0.06);
  --shadow-md: 0 4px 20px rgba(92, 61, 46, 0.08);
  --shadow-lg: 0 8px 40px rgba(92, 61, 46, 0.12);
  --transition: 0.3s ease;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-height) + var(--banner-height) + 16px);
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-base);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition);
}

ul {
  list-style: none;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
}

.sp-only {
  display: none;
}

/* --- Sample Banner --- */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1001;
  height: var(--banner-height);
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-primary);
  color: var(--color-base);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.04em;
}

.sample-banner a {
  color: var(--color-accent-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.sample-banner a:hover {
  color: var(--color-base);
}

/* --- Header --- */
.header {
  position: fixed;
  top: var(--banner-height);
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 249, 240, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.header.scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

.logo-icon {
  flex-shrink: 0;
}

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

.logo-main {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.logo-sub {
  font-family: var(--font-display);
  font-size: 10px;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
}

/* --- Desktop Nav --- */
.nav-desktop ul {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-desktop a {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-text-light);
  position: relative;
  padding: 4px 0;
}

.nav-desktop a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--transition);
}

.nav-desktop a:not(.nav-cta):hover {
  color: var(--color-primary);
}

.nav-desktop a:not(.nav-cta):hover::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  padding: 10px 24px;
  background: var(--color-primary);
  color: var(--color-base) !important;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 500;
  transition: background var(--transition), transform var(--transition);
}

.nav-cta:hover {
  background: var(--color-primary-light);
  transform: translateY(-1px);
}

/* --- Hamburger --- */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  position: relative;
  z-index: 1002;
}

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-primary);
  border-radius: 2px;
  transition: transform 0.35s ease, opacity 0.25s ease;
}

.hamburger.active .hamburger-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

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

.hamburger.active .hamburger-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* --- Mobile Nav --- */
.mobile-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 999;
  background: rgba(255, 249, 240, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s ease, visibility 0.4s ease;
}

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

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

.mobile-nav ul {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav li {
  transform: translateY(20px);
  opacity: 0;
  transition: transform 0.4s ease, opacity 0.4s ease;
}

.mobile-nav.open li {
  transform: translateY(0);
  opacity: 1;
}

.mobile-nav.open li:nth-child(1) { transition-delay: 0.05s; }
.mobile-nav.open li:nth-child(2) { transition-delay: 0.1s; }
.mobile-nav.open li:nth-child(3) { transition-delay: 0.15s; }
.mobile-nav.open li:nth-child(4) { transition-delay: 0.2s; }
.mobile-nav.open li:nth-child(5) { transition-delay: 0.25s; }
.mobile-nav.open li:nth-child(6) { transition-delay: 0.3s; }
.mobile-nav.open li:nth-child(7) { transition-delay: 0.35s; }

.mobile-nav a {
  display: block;
  font-size: 20px;
  font-weight: 500;
  color: var(--color-text);
  padding: 12px 0;
}

.mobile-nav a:hover {
  color: var(--color-accent);
}

.mobile-nav-cta {
  display: inline-block !important;
  margin-top: 8px;
  padding: 14px 40px !important;
  background: var(--color-primary);
  color: var(--color-base) !important;
  border-radius: var(--radius-sm);
}

.mobile-nav-info {
  margin-top: 32px;
  opacity: 0;
  transition: opacity 0.4s ease 0.4s;
}

.mobile-nav.open .mobile-nav-info {
  opacity: 1;
}

.mobile-nav-phone {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 18px;
  font-weight: 500;
  color: var(--color-primary);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-family: var(--font-body);
  font-size: 15px;
  font-weight: 500;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  text-align: center;
}

.btn-primary {
  background: var(--color-primary);
  color: var(--color-base);
}

.btn-primary:hover {
  background: var(--color-primary-light);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(92, 61, 46, 0.2);
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}

.btn-outline:hover {
  background: var(--color-primary);
  color: var(--color-base);
  transform: translateY(-2px);
}

.btn-full {
  width: 100%;
}

/* --- Section Commons --- */
.section-label {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.15em;
  margin-bottom: 8px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.section-desc {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 1.8;
}

.section-header {
  text-align: center;
  margin-bottom: 56px;
}

/* --- Fade Up Animation --- */
.fade-up {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Hero --- */
.hero {
  padding-top: calc(var(--banner-height) + var(--header-height) + 48px);
  padding-bottom: 80px;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -200px;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(184, 134, 11, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.hero-inner {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-accent);
  letter-spacing: 0.08em;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.hero-label::before {
  content: '';
  display: block;
  width: 32px;
  height: 2px;
  background: var(--color-accent);
}

.hero-title {
  font-size: 48px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--color-primary);
  letter-spacing: 0.06em;
  margin-bottom: 20px;
}

.hero-desc {
  font-size: 16px;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 32px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-bottom: 48px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 36px;
}

.hero-stat {
  display: flex;
  flex-direction: column;
}

.hero-stat-num {
  font-family: var(--font-display);
  font-size: 40px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1;
}

.hero-stat-unit {
  font-size: 16px;
  font-weight: 500;
  color: var(--color-primary);
}

.hero-stat-label {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.hero-image-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.hero-image-wrapper img {
  width: 100%;
  height: 480px;
  object-fit: cover;
}

.hero-image-badge {
  position: absolute;
  bottom: 20px;
  left: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 18px;
  background: rgba(255, 249, 240, 0.95);
  backdrop-filter: blur(8px);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}

.hero-image-badge span {
  font-size: 12px;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.4;
}

.hero-scroll {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 48px;
}

.hero-scroll span {
  font-family: var(--font-display);
  font-size: 12px;
  color: var(--color-text-muted);
  letter-spacing: 0.15em;
}

.hero-scroll-line {
  width: 1px;
  height: 48px;
  background: var(--color-text-muted);
  position: relative;
  overflow: hidden;
}

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

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

/* --- About --- */
.about {
  padding: 100px 0;
  background: var(--color-white);
}

.about-inner {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 64px;
  align-items: start;
}

.about-portrait-frame {
  width: 260px;
  height: 340px;
  background: var(--color-warm);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}

.founder-svg {
  width: 220px;
  height: auto;
}

.about-portrait-name {
  margin-top: 16px;
  text-align: center;
}

.about-portrait-role {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.about-portrait-fullname {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.08em;
}

.about-story {
  margin-bottom: 40px;
}

.about-story p {
  margin-bottom: 16px;
  color: var(--color-text-light);
}

.about-story p:nth-child(3) {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  padding: 16px 0;
  border-left: 3px solid var(--color-accent);
  padding-left: 20px;
  margin: 24px 0;
}

.about-story strong {
  color: var(--color-primary);
  font-weight: 700;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.about-value {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: var(--color-base);
  border-radius: var(--radius-md);
}

.about-value-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
}

.about-value h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 2px;
}

.about-value p {
  font-size: 14px;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* --- Materials --- */
.materials {
  padding: 100px 0;
}

.materials-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
}

.material-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.material-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.material-card-image {
  height: 200px;
  overflow: hidden;
}

.material-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.material-card:hover .material-card-image img {
  transform: scale(1.05);
}

.material-card-body {
  padding: 28px;
}

.material-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: 16px;
}

.material-card-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 10px;
}

.material-card-body p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Flow --- */
.flow {
  padding: 100px 0;
  background: var(--color-white);
}

.flow-timeline {
  position: relative;
  max-width: 720px;
  margin: 0 auto;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 32px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--color-border);
}

.flow-step {
  display: flex;
  gap: 28px;
  padding-bottom: 40px;
  position: relative;
}

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

.flow-step-number {
  flex-shrink: 0;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-base);
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  z-index: 1;
}

.flow-step-content {
  flex: 1;
  padding-top: 12px;
}

.flow-step-content h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.flow-step-content p {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Gallery --- */
.gallery {
  padding: 100px 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.gallery-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition), box-shadow var(--transition);
}

.gallery-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.gallery-card-image {
  position: relative;
  height: 240px;
  overflow: hidden;
}

.gallery-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.gallery-card:hover .gallery-card-image img {
  transform: scale(1.05);
}

.gallery-card-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  padding: 4px 14px;
  background: var(--color-accent);
  color: var(--color-white);
  font-size: 12px;
  font-weight: 700;
  border-radius: 20px;
  letter-spacing: 0.06em;
}

.gallery-card-body {
  padding: 24px;
}

.gallery-card-body h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.gallery-card-meta {
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 12px;
}

.gallery-card-body p:last-child {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* --- Voices --- */
.voices {
  padding: 100px 0;
  background: var(--color-warm);
}

.voices-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.voice-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition);
}

.voice-card:hover {
  transform: translateY(-4px);
}

.voice-card-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 14px;
}

.voice-card-avatar {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
}

.voice-card-avatar svg {
  width: 100%;
  height: 100%;
}

.voice-card-name {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-primary);
}

.voice-card-detail {
  font-size: 12px;
  color: var(--color-text-muted);
}

.voice-card-stars {
  display: flex;
  gap: 2px;
  margin-bottom: 14px;
}

.voice-card-text {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* --- Company --- */
.company {
  padding: 100px 0;
}

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

.company-table {
  width: 100%;
  border-collapse: collapse;
}

.company-table tr {
  border-bottom: 1px solid var(--color-border);
}

.company-table th,
.company-table td {
  padding: 18px 20px;
  text-align: left;
  vertical-align: top;
  font-size: 15px;
}

.company-table th {
  width: 160px;
  font-weight: 700;
  color: var(--color-primary);
  background: var(--color-warm);
  white-space: nowrap;
}

.company-table td {
  color: var(--color-text-light);
}

.company-table td a {
  color: var(--color-accent);
}

.company-table td a:hover {
  text-decoration: underline;
}

/* --- Contact --- */
.contact {
  padding: 100px 0;
  background: var(--color-white);
}

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

.contact-text .section-title {
  text-align: left;
}

.contact-text p {
  color: var(--color-text-light);
  margin-bottom: 32px;
  line-height: 2;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.contact-method {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 20px;
  background: var(--color-base);
  border-radius: var(--radius-md);
}

.contact-method svg {
  flex-shrink: 0;
  margin-top: 2px;
}

.contact-method-label {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-method-value {
  display: block;
  font-size: 22px;
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: 0.04em;
}

.contact-method-note {
  display: block;
  font-size: 12px;
  color: var(--color-text-muted);
  margin-top: 2px;
}

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

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

.form-group label {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.required {
  display: inline-block;
  font-size: 11px;
  font-weight: 700;
  color: var(--color-white);
  background: #C65D4A;
  padding: 1px 8px;
  border-radius: 3px;
  margin-left: 6px;
  vertical-align: middle;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: var(--font-body);
  font-size: 15px;
  color: var(--color-text);
  background: var(--color-base);
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(184, 134, 11, 0.12);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
}

.form-group select {
  appearance: none;
  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='%239A8A7C' 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;
}

/* --- Footer --- */
.footer {
  background: var(--color-primary-dark);
  color: var(--color-warm);
  padding: 64px 0 0;
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255, 249, 240, 0.1);
}

.footer-brand .logo-main {
  color: var(--color-base);
}

.footer-brand .logo-sub {
  color: rgba(255, 249, 240, 0.5);
}

.footer-desc {
  margin-top: 16px;
  font-size: 14px;
  color: rgba(255, 249, 240, 0.6);
  line-height: 1.8;
}

.footer-nav h4,
.footer-contact h4 {
  font-size: 14px;
  font-weight: 700;
  color: var(--color-base);
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}

.footer-nav ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-nav a {
  font-size: 14px;
  color: rgba(255, 249, 240, 0.6);
  transition: color var(--transition);
}

.footer-nav a:hover {
  color: var(--color-base);
}

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 249, 240, 0.6);
  line-height: 1.8;
  margin-bottom: 8px;
}

.footer-contact a {
  color: var(--color-accent-light);
}

.footer-contact a:hover {
  text-decoration: underline;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 249, 240, 0.4);
}

.footer-credit a {
  color: var(--color-accent-light);
}

.footer-credit a:hover {
  text-decoration: underline;
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 1024px) {
  .hero-inner {
    gap: 32px;
  }

  .hero-title {
    font-size: 38px;
  }

  .hero-image-wrapper img {
    height: 400px;
  }

  .about-inner {
    grid-template-columns: 240px 1fr;
    gap: 40px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .voices-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .voices-grid .voice-card:last-child {
    grid-column: 1 / -1;
    max-width: 500px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  :root {
    --header-height: 64px;
    --banner-height: 36px;
  }

  .sp-only {
    display: inline;
  }

  .nav-desktop {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .section-title {
    font-size: 26px;
  }

  .section-header {
    margin-bottom: 40px;
  }

  /* Hero Mobile */
  .hero {
    padding-top: calc(var(--banner-height) + var(--header-height) + 32px);
    padding-bottom: 48px;
  }

  .hero-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .hero-title {
    font-size: 34px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    margin-bottom: 36px;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .hero-stats {
    gap: 24px;
  }

  .hero-stat-num {
    font-size: 32px;
  }

  .hero-image-wrapper img {
    height: 300px;
  }

  .hero-scroll {
    display: none;
  }

  /* About Mobile */
  .about {
    padding: 72px 0;
  }

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

  .about-portrait {
    display: flex;
    flex-direction: column;
    align-items: center;
  }

  .about-portrait-frame {
    width: 200px;
    height: 260px;
  }

  .founder-svg {
    width: 170px;
  }

  /* Materials Mobile */
  .materials {
    padding: 72px 0;
  }

  .materials-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  /* Flow Mobile */
  .flow {
    padding: 72px 0;
  }

  .flow-timeline::before {
    left: 24px;
  }

  .flow-step-number {
    width: 48px;
    height: 48px;
    font-size: 16px;
  }

  .flow-step {
    gap: 20px;
    padding-bottom: 32px;
  }

  /* Gallery Mobile */
  .gallery {
    padding: 72px 0;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .gallery-card-image {
    height: 220px;
  }

  /* Voices Mobile */
  .voices {
    padding: 72px 0;
  }

  .voices-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .voices-grid .voice-card:last-child {
    grid-column: auto;
    max-width: none;
  }

  .voice-card {
    padding: 24px;
  }

  /* Company Mobile */
  .company {
    padding: 72px 0;
  }

  .company-table th,
  .company-table td {
    display: block;
    width: 100%;
    padding: 12px 16px;
  }

  .company-table th {
    padding-bottom: 4px;
    border-bottom: none;
  }

  .company-table td {
    padding-top: 0;
  }

  /* Contact Mobile */
  .contact {
    padding: 72px 0;
  }

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

  .contact-text .section-title {
    text-align: center;
  }

  .contact-text > p {
    text-align: center;
  }

  /* Footer Mobile */
  .footer-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

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

  .sample-banner {
    font-size: 11px;
    padding: 0 12px;
  }
}

@media (max-width: 480px) {
  .hero-title { font-size: 28px; }
  .hero-stats { flex-wrap: wrap; gap: 16px 24px; }
  .hero-stat-num { font-size: 28px; }
  .hero-image-wrapper img { height: 240px; }
  .section-title { font-size: 24px; }
  .about-story p:nth-child(3) { font-size: 17px; }
  .contact-method-value { font-size: 18px; }
}