/* ===========================
   SHINOHARA ASHIBA - style.css
   Navy #1B365D + White + Gold #C9A84C
   =========================== */

:root {
  --navy: #1B365D;
  --navy-dark: #0F2240;
  --navy-light: #2A4A75;
  --gold: #C9A84C;
  --gold-light: #D4B96A;
  --gold-dark: #B8933A;
  --white: #FFFFFF;
  --off-white: #F7F6F3;
  --gray-50: #FAFAF8;
  --gray-100: #F0EFE9;
  --gray-200: #E0DDD5;
  --gray-400: #A8A398;
  --gray-600: #6B6660;
  --gray-800: #3A3632;
  --text: #2C2925;
  --text-light: #5E5953;
  --shadow-sm: 0 1px 3px rgba(27,54,93,0.08);
  --shadow-md: 0 4px 16px rgba(27,54,93,0.1);
  --shadow-lg: 0 8px 32px rgba(27,54,93,0.12);
  --shadow-xl: 0 16px 48px rgba(27,54,93,0.16);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 400;
  color: var(--text);
  line-height: 1.8;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

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

.pc-only { display: inline; }
.sp-only { display: none; }

/* ===== SAMPLE BANNER ===== */
.sample-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 10000;
  background: var(--gold);
  color: var(--navy-dark);
  text-align: center;
  padding: 6px 16px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.sample-banner a {
  color: var(--navy-dark);
  text-decoration: underline;
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 30px;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27,54,93,0.08);
  transition: var(--transition);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header-inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

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

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

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

.logo-main {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  letter-spacing: 0.08em;
  line-height: 1.2;
}

.logo-sub {
  font-size: 9px;
  font-weight: 500;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-desktop a {
  font-size: 13px;
  font-weight: 500;
  color: var(--navy);
  letter-spacing: 0.02em;
  position: relative;
  transition: var(--transition);
}

.nav-desktop a:not(.nav-cta)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gold);
  transition: var(--transition);
}

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

.nav-cta {
  background: var(--navy);
  color: var(--white) !important;
  padding: 8px 20px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  transition: var(--transition);
}

.nav-cta:hover {
  background: var(--navy-light);
}

/* Hamburger */
.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 24px;
  position: relative;
  z-index: 1100;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy);
  position: absolute;
  left: 0;
  transition: var(--transition);
}

.hamburger span:nth-child(1) { top: 0; }
.hamburger span:nth-child(2) { top: 11px; }
.hamburger span:nth-child(3) { top: 22px; }

.hamburger.active span:nth-child(1) {
  top: 11px;
  transform: rotate(45deg);
}
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) {
  top: 11px;
  transform: rotate(-45deg);
}

/* ===== MOBILE NAV ===== */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: 80%;
  max-width: 360px;
  height: 100vh;
  background: var(--navy);
  z-index: 1050;
  transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
}

.mobile-nav.open {
  right: 0;
}

.mobile-nav-inner {
  padding: 100px 32px 40px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.mobile-nav-link {
  display: block;
  color: var(--white);
  font-size: 16px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  transition: var(--transition);
}

.mobile-nav-link:hover {
  color: var(--gold);
}

.mobile-nav-cta {
  margin-top: 16px;
  background: var(--gold);
  color: var(--navy-dark) !important;
  text-align: center;
  padding: 14px !important;
  border-radius: var(--radius-sm);
  border-bottom: none !important;
  font-weight: 700;
}

.mobile-nav-phone {
  margin-top: 24px;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gold);
  font-size: 15px;
  font-weight: 600;
}

.mobile-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1040;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
}

.mobile-overlay.show {
  opacity: 1;
  visibility: visible;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 102px;
}

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

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

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(15,34,64,0.88) 0%,
    rgba(27,54,93,0.75) 50%,
    rgba(15,34,64,0.85) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.hero-badge {
  display: inline-block;
  background: rgba(201,168,76,0.15);
  border: 1px solid rgba(201,168,76,0.4);
  color: var(--gold);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: 100px;
  margin-bottom: 24px;
  letter-spacing: 0.06em;
}

.hero-title {
  font-size: clamp(36px, 6vw, 64px);
  font-weight: 900;
  color: var(--white);
  line-height: 1.25;
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

.hero-lead {
  font-size: clamp(15px, 1.8vw, 18px);
  color: rgba(255,255,255,0.85);
  line-height: 1.9;
  margin-bottom: 36px;
  max-width: 580px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: var(--transition);
  letter-spacing: 0.04em;
}

.btn-gold {
  background: var(--gold);
  color: var(--navy-dark);
}

.btn-gold:hover {
  background: var(--gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,168,76,0.3);
}

.btn-outline-white {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.5);
}

.btn-outline-white:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.1);
}

.btn-full {
  width: 100%;
  justify-content: center;
}

.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.5);
  font-size: 11px;
  letter-spacing: 0.15em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: rgba(255,255,255,0.3);
  position: relative;
  overflow: hidden;
}

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

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

/* ===== SECTIONS ===== */
.section {
  padding: 100px 0;
}

.section-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--gold);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(26px, 4vw, 38px);
  font-weight: 700;
  color: var(--navy);
  line-height: 1.4;
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}

.section-desc {
  font-size: 16px;
  color: var(--text-light);
  max-width: 600px;
  line-height: 1.9;
  margin-bottom: 48px;
}

/* ===== ABOUT ===== */
.about {
  background: var(--gray-50);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: 60px;
  align-items: center;
  margin-top: 48px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 15px;
  color: var(--text-light);
  line-height: 2;
}

.about-lead {
  font-size: 17px !important;
  color: var(--text) !important;
  line-height: 1.9;
}

.about-text strong {
  color: var(--navy);
  font-weight: 600;
}

.about-icon svg {
  width: 100%;
  max-width: 280px;
  margin: 0 auto;
  display: block;
}

/* ===== SPEED ===== */
.speed {
  background: var(--white);
}

.speed-timeline {
  position: relative;
  max-width: 700px;
  margin: 48px auto 0;
  padding-left: 40px;
}

.speed-line {
  position: absolute;
  left: 15px;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--gray-200);
}

.speed-step {
  position: relative;
  margin-bottom: 36px;
}

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

.speed-dot {
  position: absolute;
  left: -33px;
  top: 8px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--white);
  border: 3px solid var(--gold);
  z-index: 2;
}

.speed-step:first-child .speed-dot,
.speed-step:last-child .speed-dot {
  background: var(--gold);
  border-color: var(--gold);
}

.speed-card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  padding: 24px 28px;
  transition: var(--transition);
}

.speed-card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--gold);
}

.speed-time {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 13px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  letter-spacing: 0.05em;
}

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

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

/* ===== SERVICES ===== */
.services {
  background: var(--navy);
}

.services .section-label {
  color: var(--gold);
}

.services .section-title {
  color: var(--white);
}

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

.service-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  padding: 36px 30px;
  transition: var(--transition);
}

.service-card:hover {
  background: rgba(255,255,255,0.1);
  border-color: var(--gold);
  transform: translateY(-4px);
}

.service-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
}

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

.service-card h3 {
  font-size: 19px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  line-height: 1.9;
}

/* ===== WORKS ===== */
.works {
  background: var(--gray-50);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-top: 48px;
}

.work-card {
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

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

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

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

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

.work-info {
  padding: 24px;
}

.work-tag {
  display: inline-block;
  background: var(--navy);
  color: var(--white);
  font-size: 11px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}

.work-info h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 8px;
  line-height: 1.5;
}

.work-info p {
  font-size: 13px;
  color: var(--text-light);
  line-height: 1.8;
  margin-bottom: 14px;
}

.work-meta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.work-meta span {
  font-size: 12px;
  color: var(--gold-dark);
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

.work-meta span::before {
  content: '';
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--gold);
}

/* ===== NUMBERS ===== */
.numbers {
  background: var(--navy);
  padding: 80px 0;
}

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

.number-item {
  padding: 32px 16px;
}

.number-value {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
}

.counter {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 900;
  color: var(--gold);
  line-height: 1;
}

.number-unit {
  font-size: 18px;
  font-weight: 600;
  color: var(--gold-light);
}

.number-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-top: 10px;
  font-weight: 500;
}

/* ===== FLOW ===== */
.flow {
  background: var(--white);
}

.flow-steps {
  max-width: 720px;
  margin: 48px auto 0;
}

.flow-step {
  display: flex;
  gap: 28px;
  align-items: flex-start;
  padding: 28px 0;
  border-bottom: 1px solid var(--gray-200);
}

.flow-step:last-child {
  border-bottom: none;
}

.flow-num {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  font-weight: 900;
  color: var(--gold);
  border: 2px solid var(--gold);
  border-radius: 50%;
  line-height: 1;
}

.flow-body h3 {
  font-size: 18px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 6px;
}

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

/* ===== COMPANY ===== */
.company {
  background: var(--gray-50);
}

.company-table {
  max-width: 720px;
  margin-top: 48px;
}

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

.company-table th,
.company-table td {
  padding: 18px 20px;
  border-bottom: 1px solid var(--gray-200);
  font-size: 15px;
  text-align: left;
  vertical-align: top;
  line-height: 1.8;
}

.company-table th {
  width: 160px;
  font-weight: 600;
  color: var(--navy);
  background: rgba(27,54,93,0.03);
}

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

/* ===== CONTACT ===== */
.contact {
  background: var(--white);
}

.contact-grid {
  display: grid;
  gap: 48px;
  max-width: 700px;
}

.contact-phone {
  background: var(--navy);
  padding: 36px;
  border-radius: var(--radius-md);
  text-align: center;
}

.contact-phone-label {
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  margin-bottom: 8px;
}

.contact-phone-number {
  display: block;
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  letter-spacing: 0.04em;
  margin-bottom: 8px;
  transition: var(--transition);
}

.contact-phone-number:hover {
  color: var(--gold-light);
}

.contact-phone-hours {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.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: 14px;
  font-weight: 600;
  color: var(--navy);
}

.required {
  font-size: 11px;
  color: #c0392b;
  font-weight: 700;
  margin-left: 4px;
}

.form-group input,
.form-group select,
.form-group textarea {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 15px;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  background: var(--white);
  color: var(--text);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--navy);
  box-shadow: 0 0 0 3px rgba(27,54,93,0.1);
}

.form-group textarea {
  resize: vertical;
}

.form-group select {
  -webkit-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1L6 6L11 1' stroke='%236B6660' stroke-width='2'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

/* ===== FOOTER ===== */
.footer {
  background: var(--navy-dark);
  padding: 60px 0 0;
  color: var(--white);
}

.footer-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer .logo {
  margin-bottom: 12px;
}

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

.footer-address {
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.footer-links a {
  font-size: 13px;
  color: rgba(255,255,255,0.6);
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--gold);
}

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

.footer-bottom p {
  font-size: 12px;
  color: rgba(255,255,255,0.4);
}

.footer-credit a {
  color: var(--gold);
  text-decoration: underline;
  transition: var(--transition);
}

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

/* ===== REASONS ===== */
.reasons {
  background: var(--white);
}

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

.reason-card {
  padding: 32px 28px;
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  transition: var(--transition);
  position: relative;
}

.reason-card:hover {
  border-color: var(--gold);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.reason-num {
  font-size: 32px;
  font-weight: 900;
  color: var(--gold);
  opacity: 0.3;
  line-height: 1;
  margin-bottom: 12px;
}

.reason-card h3 {
  font-size: 17px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 10px;
}

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

/* ===== VOICES ===== */
.voices {
  background: var(--gray-50);
}

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

.voice-card {
  background: var(--white);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.voice-card:hover {
  box-shadow: var(--shadow-md);
}

.voice-quote {
  margin-bottom: 16px;
}

.voice-text {
  font-size: 14px;
  color: var(--text-light);
  line-height: 2;
  flex: 1;
  margin-bottom: 20px;
}

.voice-author {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--gray-200);
}

.voice-name {
  font-size: 15px;
  font-weight: 700;
  color: var(--navy);
}

.voice-role {
  font-size: 12px;
  color: var(--gray-400);
}

/* ===== CTA ===== */
.cta-section {
  background: var(--gray-50);
  padding: 80px 0;
}

.cta-box {
  background: var(--navy);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
}

.cta-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 12px;
  line-height: 1.4;
}

.cta-content p {
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.8;
}

.cta-actions {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex-shrink: 0;
}

.btn-outline-navy {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.4);
  justify-content: center;
}

.btn-outline-navy:hover {
  border-color: var(--white);
  background: rgba(255,255,255,0.08);
}

/* ===== BACK TO TOP ===== */
.back-to-top {
  position: fixed;
  bottom: 24px;
  right: 24px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--navy);
  color: var(--white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: var(--transition);
  z-index: 900;
  box-shadow: var(--shadow-md);
}

.back-to-top.visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top:hover {
  background: var(--navy-light);
}

/* ===== MOBILE PHONE STICKY ===== */
.mobile-phone-sticky {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 950;
  background: var(--white);
  box-shadow: 0 -2px 12px rgba(0,0,0,0.1);
  padding: 8px 12px;
  gap: 8px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}

.mobile-phone-sticky.show {
  transform: translateY(0);
}

.mobile-sticky-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 700;
}

.phone-btn {
  background: var(--gold);
  color: var(--navy-dark);
}

.contact-btn {
  background: var(--navy);
  color: var(--white);
}

/* ===== ANIMATIONS ===== */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .nav-desktop { display: none; }
  .hamburger { display: block; }

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

  .about-icon { order: -1; }
  .about-icon svg { max-width: 200px; }

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

@media (max-width: 768px) {
  .pc-only { display: none; }
  .sp-only { display: inline; }

  .section { padding: 72px 0; }

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

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

  .cta-box {
    flex-direction: column;
    padding: 40px 24px;
    text-align: center;
  }

  .cta-content h2 {
    font-size: 22px;
  }

  .cta-actions {
    width: 100%;
  }

  .cta-actions .btn {
    width: 100%;
    justify-content: center;
  }

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

  .mobile-phone-sticky {
    display: flex;
  }

  .back-to-top {
    bottom: 80px;
    right: 16px;
    width: 42px;
    height: 42px;
  }

  .hero { min-height: 90vh; }

  .hero-actions {
    flex-direction: column;
  }

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

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

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

  .numbers-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .number-item {
    padding: 24px 12px;
  }

  .counter {
    font-size: 36px;
  }

  .flow-step {
    gap: 20px;
  }

  .flow-num {
    width: 48px;
    height: 48px;
    font-size: 18px;
  }

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

  .company-table th {
    width: 120px;
    font-size: 13px;
    padding: 14px 12px;
  }

  .company-table td {
    font-size: 14px;
    padding: 14px 12px;
  }

  .footer-top {
    flex-direction: column;
    gap: 28px;
  }

  .footer-links {
    gap: 12px 20px;
  }

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

  .contact-phone-number {
    font-size: 26px;
  }

  .speed-timeline {
    padding-left: 32px;
  }

  .speed-dot {
    left: -25px;
    width: 14px;
    height: 14px;
  }

  .speed-line {
    left: 11px;
  }

  .speed-card {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .header-inner { height: 64px; }
  .header { top: 28px; }

  .logo-main { font-size: 15px; }
  .logo-icon { width: 36px; height: 36px; }

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

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

  .flow-step {
    flex-direction: column;
    gap: 12px;
    align-items: flex-start;
  }
}