/* ===================================
   美姿勢サロン Re:Posture
   Style Sheet
   =================================== */

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

:root {
  /* カラーパレット - 柔らかく親しみやすいトーン */
  --color-primary: #8B7355;
  --color-primary-light: #A89279;
  --color-primary-dark: #6B5640;
  --color-accent: #C4A882;
  --color-accent-light: #DCC9AB;
  --color-bg: #FDFBF7;
  --color-bg-warm: #F7F2EB;
  --color-bg-section: #F0EBE3;
  --color-text: #3D3630;
  --color-text-light: #7A7067;
  --color-text-muted: #A69D94;
  --color-white: #FFFFFF;
  --color-border: #E5DDD3;
  --color-green: #7A9E7E;
  --color-blue: #7E94A9;

  /* フォント */
  --font-ja: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'メイリオ', sans-serif;
  --font-en: 'Cormorant Garamond', Georgia, serif;

  /* スペーシング */
  --section-padding: 120px;
  --container-width: 1100px;

  /* トランジション */
  --transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  --transition-slow: all 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

body {
  font-family: var(--font-ja);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.9;
  letter-spacing: 0.05em;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

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

ul {
  list-style: none;
}

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

.sp-only {
  display: none;
}

/* --- Loader --- */
.loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
  opacity: 0;
  visibility: hidden;
}

.loader-inner {
  text-align: center;
}

.loader-logo {
  font-family: var(--font-en);
  font-size: 2.4rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  margin-bottom: 24px;
}

.loader-bar {
  width: 120px;
  height: 2px;
  background: var(--color-border);
  border-radius: 2px;
  overflow: hidden;
  margin: 0 auto;
}

.loader-bar-fill {
  width: 0;
  height: 100%;
  background: var(--color-primary);
  animation: loaderFill 1.5s ease forwards;
}

@keyframes loaderFill {
  0% { width: 0; }
  100% { width: 100%; }
}

/* --- Header --- */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: 0 40px;
  transition: var(--transition);
}

.header.scrolled {
  background: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.05);
}

.header-inner {
  max-width: 1300px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.logo {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.logo-main {
  font-family: var(--font-en);
  font-size: 1.6rem;
  font-weight: 500;
  color: var(--color-primary);
  letter-spacing: 0.12em;
  line-height: 1.2;
}

.logo-sub {
  font-size: 0.65rem;
  color: var(--color-text-light);
  letter-spacing: 0.2em;
  line-height: 1;
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.8rem;
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 0.08em;
  position: relative;
  padding: 4px 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 1px;
  background: var(--color-primary);
  transition: var(--transition);
}

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

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

.nav-link--cta {
  background: var(--color-primary);
  color: var(--color-white) !important;
  padding: 10px 24px;
  border-radius: 30px;
  font-weight: 500;
}

.nav-link--cta::after {
  display: none;
}

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

/* Hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 1.5px;
  background: var(--color-text);
  transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #F7F2EB 0%, #EDE5D8 30%, #E8DFD2 60%, #D9CFC2 100%);
}

.hero-bg::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 80%;
  height: 200%;
  background: radial-gradient(ellipse, rgba(196, 168, 130, 0.15) 0%, transparent 70%);
  animation: heroFloat 15s ease-in-out infinite;
}

.hero-bg::after {
  content: '';
  position: absolute;
  bottom: -30%;
  left: -20%;
  width: 60%;
  height: 150%;
  background: radial-gradient(ellipse, rgba(122, 158, 126, 0.08) 0%, transparent 70%);
  animation: heroFloat 20s ease-in-out infinite reverse;
}

@keyframes heroFloat {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(30px, -20px); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23b8a88a' fill-opacity='0.03'%3E%3Ccircle cx='30' cy='30' r='1'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.hero-content {
  position: relative;
  text-align: center;
  z-index: 2;
  padding: 0 24px;
}

.hero-catch {
  font-size: 0.9rem;
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 0.3em;
  margin-bottom: 32px;
}

.hero-title {
  margin-bottom: 32px;
}

.hero-title-en {
  display: block;
  font-family: var(--font-en);
  font-size: 4.5rem;
  font-weight: 400;
  color: var(--color-primary);
  letter-spacing: 0.15em;
  line-height: 1.1;
  margin-bottom: 12px;
}

.hero-title-ja {
  display: block;
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-text-light);
  letter-spacing: 0.4em;
}

.hero-desc {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 2;
  letter-spacing: 0.1em;
  margin-bottom: 48px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--color-primary);
  color: var(--color-white);
  padding: 16px 40px;
  border-radius: 40px;
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  transition: var(--transition);
}

.hero-btn:hover {
  background: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(139, 115, 85, 0.3);
}

.hero-btn i {
  font-size: 0.75rem;
  transition: transform 0.3s ease;
}

.hero-btn:hover i {
  transform: translateX(4px);
}

/* Hero Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  z-index: 2;
}

.hero-scroll span {
  font-family: var(--font-en);
  font-size: 0.7rem;
  color: var(--color-text-muted);
  letter-spacing: 0.2em;
}

.hero-scroll-line {
  width: 1px;
  height: 40px;
  background: var(--color-border);
  position: relative;
  overflow: hidden;
}

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

@keyframes scrollLine {
  0% { top: -100%; }
  50% { top: 0; }
  100% { top: 100%; }
}

/* --- Section Common --- */
.section {
  padding: var(--section-padding) 0;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-label {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--color-accent);
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.1em;
  line-height: 1.6;
}

.section-desc {
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 48px;
}

/* --- Concept --- */
.concept {
  background: var(--color-bg);
}

.concept-text {
  text-align: center;
  margin-bottom: 64px;
}

.concept-text p {
  font-size: 0.95rem;
  color: var(--color-text-light);
  line-height: 2.2;
  margin-bottom: 24px;
}

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

.concept-text strong {
  color: var(--color-primary);
  font-weight: 600;
}

.concept-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}

.concept-feature {
  text-align: center;
  padding: 40px 24px;
  background: var(--color-white);
  border-radius: 16px;
  transition: var(--transition);
  border: 1px solid transparent;
}

.concept-feature:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  border-color: var(--color-border);
}

.concept-feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  background: var(--color-bg-warm);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.concept-feature-icon i {
  font-size: 1.4rem;
  color: var(--color-primary);
}

.concept-feature h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  letter-spacing: 0.08em;
}

.concept-feature p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

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

.about-body {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.about-image-wrapper {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 3 / 4;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  top: -12px;
  right: -12px;
  width: 100%;
  height: 100%;
  border: 2px solid var(--color-accent-light);
  border-radius: 16px;
  z-index: -1;
}

.about-image-wrapper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.about-name {
  margin-bottom: 24px;
}

.about-name-en {
  display: block;
  font-family: var(--font-en);
  font-size: 0.75rem;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 8px;
}

.about-name h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.08em;
}

.about-credentials {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
  padding: 20px 24px;
  background: var(--color-white);
  border-radius: 12px;
}

.credential {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--color-text);
}

.credential i {
  color: var(--color-green);
  font-size: 1rem;
}

.about-message p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 2;
  margin-bottom: 16px;
}

.about-message p:last-child {
  margin-bottom: 0;
}

.about-message strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* --- Service --- */
.service {
  background: var(--color-bg);
}

.service-gallery {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  margin-bottom: 60px;
}

.service-gallery-item {
  background: var(--color-white);
  border-radius: 16px;
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid transparent;
}

.service-gallery-item:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--color-border);
}

.service-gallery-image {
  aspect-ratio: 3 / 4;
  overflow: hidden;
}

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

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

.service-gallery-text {
  padding: 24px;
}

.service-gallery-text h3 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  letter-spacing: 0.08em;
}

.service-gallery-text p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

/* Symptoms */
.service-symptoms {
  text-align: center;
  padding: 48px;
  background: var(--color-bg-warm);
  border-radius: 16px;
}

.service-symptoms-title {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 24px;
  letter-spacing: 0.1em;
}

.symptom-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
}

.symptom-tag {
  display: inline-block;
  padding: 8px 20px;
  background: var(--color-white);
  color: var(--color-text-light);
  font-size: 0.85rem;
  border-radius: 30px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.symptom-tag:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

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

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

.flow-step {
  display: flex;
  gap: 32px;
  padding: 32px 0;
  position: relative;
}

.flow-step:not(:last-child)::after {
  content: '';
  position: absolute;
  left: 28px;
  top: 72px;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--color-accent-light), transparent);
}

.flow-step-number {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  background: var(--color-primary);
  color: var(--color-white);
  font-family: var(--font-en);
  font-size: 1.1rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  letter-spacing: 0.05em;
}

.flow-step-content h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 8px;
  padding-top: 4px;
  letter-spacing: 0.08em;
}

.flow-step-content p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
}

/* --- Price --- */
.price {
  background: var(--color-bg);
}

.price-card {
  max-width: 520px;
  margin: 0 auto;
  background: var(--color-white);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 12px 48px rgba(0, 0, 0, 0.06);
  border: 1px solid var(--color-border);
}

.price-card-header {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  padding: 32px;
  text-align: center;
  color: var(--color-white);
}

.price-card-header h3 {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  margin-bottom: 4px;
}

.price-card-header p {
  font-size: 0.85rem;
  opacity: 0.85;
  letter-spacing: 0.1em;
}

.price-card-body {
  padding: 40px 32px;
  text-align: center;
}

.price-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 12px;
}

.price-yen {
  font-family: var(--font-en);
  font-size: 1.2rem;
  color: var(--color-primary);
  font-weight: 500;
}

.price-number {
  font-family: var(--font-en);
  font-size: 3rem;
  font-weight: 600;
  color: var(--color-primary);
  letter-spacing: 0.05em;
  line-height: 1;
}

.price-unit {
  font-size: 0.9rem;
  color: var(--color-text-light);
}

.price-duration {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 1rem;
  color: var(--color-text);
  margin-bottom: 20px;
}

.price-duration i {
  color: var(--color-accent);
}

.price-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

.price-card-includes {
  padding: 24px 32px 32px;
  border-top: 1px solid var(--color-border);
}

.price-card-includes h4 {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 16px;
  text-align: center;
  letter-spacing: 0.1em;
}

.price-card-includes ul {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 12px;
}

.price-card-includes li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-light);
}

.price-card-includes li i {
  color: var(--color-green);
  font-size: 0.8rem;
}

/* --- Area --- */
.area {
  background: var(--color-bg-warm);
}

.area-body {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.area-map {
  display: flex;
  align-items: center;
  justify-content: center;
}

.area-map-visual {
  position: relative;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(196, 168, 130, 0.12) 0%, rgba(196, 168, 130, 0.04) 100%);
  border: 2px dashed var(--color-accent-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  animation: areaPulse 4s ease-in-out infinite;
}

@keyframes areaPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(196, 168, 130, 0.2); }
  50% { box-shadow: 0 0 0 20px rgba(196, 168, 130, 0); }
}

.area-pin {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.area-pin i {
  font-size: 2.5rem;
  color: var(--color-primary);
}

.area-pin span {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.1em;
}

.area-radius {
  margin-top: 16px;
}

.area-radius span {
  font-size: 0.85rem;
  color: var(--color-text-light);
  background: var(--color-white);
  padding: 6px 16px;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

.area-text h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 16px;
  letter-spacing: 0.08em;
}

.area-text > p {
  font-size: 0.9rem;
  color: var(--color-text-light);
  line-height: 1.9;
  margin-bottom: 24px;
}

.area-list {
  margin-bottom: 24px;
}

.area-list h4 {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: 12px;
  display: flex;
  align-items: center;
  gap: 8px;
}

.area-list h4 i {
  color: var(--color-primary);
}

.area-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.area-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--color-white);
  color: var(--color-text-light);
  font-size: 0.82rem;
  border-radius: 20px;
  border: 1px solid var(--color-border);
}

.area-note {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* --- Contact --- */
.contact {
  background: var(--color-bg);
}

.contact-methods {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  max-width: 800px;
  margin: 0 auto 32px;
}

.contact-method {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 32px;
  background: var(--color-white);
  border-radius: 16px;
  border: 1px solid var(--color-border);
  transition: var(--transition);
}

.contact-method:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
  border-color: var(--color-primary);
}

.contact-method-icon {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.contact-method--phone .contact-method-icon {
  background: linear-gradient(135deg, var(--color-green), #6B8E6F);
  color: var(--color-white);
}

.contact-method--email .contact-method-icon {
  background: linear-gradient(135deg, var(--color-blue), #6A819B);
  color: var(--color-white);
}

.contact-method-icon i {
  font-size: 1.2rem;
}

.contact-method-info {
  display: flex;
  flex-direction: column;
}

.contact-method-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}

.contact-method-value {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--color-text);
  letter-spacing: 0.05em;
}

.contact-method-note {
  font-size: 0.72rem;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.contact-message {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
  padding: 20px 24px;
  background: var(--color-bg-warm);
  border-radius: 12px;
}

.contact-message p {
  font-size: 0.85rem;
  color: var(--color-text-light);
  line-height: 1.8;
}

.contact-message i {
  color: var(--color-accent);
  margin-right: 4px;
}

/* --- Footer --- */
.footer {
  background: var(--color-text);
  color: rgba(255, 255, 255, 0.7);
  padding: 64px 0 0;
}

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

.footer-logo {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}

.footer-logo-main {
  font-family: var(--font-en);
  font-size: 1.4rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.9);
  letter-spacing: 0.12em;
}

.footer-logo-sub {
  font-size: 0.65rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.2em;
}

.footer-tagline {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.1em;
}

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

.footer-info-item {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.85rem;
}

.footer-info-item i {
  width: 16px;
  text-align: center;
  color: var(--color-accent);
}

.footer-info-item a:hover {
  color: rgba(255, 255, 255, 0.95);
}

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

.footer-nav a {
  font-size: 0.82rem;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.05em;
  transition: var(--transition);
}

.footer-nav a:hover {
  color: rgba(255, 255, 255, 0.95);
  padding-left: 4px;
}

.footer-bottom {
  padding: 24px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.72rem;
  color: rgba(255, 255, 255, 0.35);
  letter-spacing: 0.1em;
}

/* --- Fixed CTA --- */
.fixed-cta {
  position: fixed;
  bottom: -100px;
  left: 0;
  right: 0;
  display: flex;
  z-index: 900;
  transition: bottom 0.5s ease;
  display: none;
}

.fixed-cta.visible {
  bottom: 0;
}

.fixed-cta-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px;
  color: var(--color-white);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.1em;
}

.fixed-cta-btn--phone {
  background: var(--color-green);
}

.fixed-cta-btn--email {
  background: var(--color-blue);
}

.fixed-cta-btn:hover {
  opacity: 0.9;
}

/* --- Animations --- */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

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

.delay-1 { transition-delay: 0.15s; }
.delay-2 { transition-delay: 0.3s; }
.delay-3 { transition-delay: 0.45s; }

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

@media (max-width: 1024px) {
  :root {
    --section-padding: 80px;
  }

  .nav {
    display: none;
  }

  .nav.active {
    display: flex;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(253, 251, 247, 0.98);
    backdrop-filter: blur(12px);
    align-items: center;
    justify-content: center;
    z-index: 999;
  }

  .nav.active .nav-list {
    flex-direction: column;
    gap: 24px;
  }

  .nav.active .nav-link {
    font-size: 1rem;
  }

  .hamburger {
    display: flex;
  }

  .hero-title-en {
    font-size: 3.2rem;
  }

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

  .about-image-wrapper {
    max-width: 360px;
    margin: 0 auto;
  }

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

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

  .footer-main {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-padding: 64px;
  }

  .sp-only {
    display: block;
  }

  .header {
    padding: 0 20px;
  }

  .header-inner {
    height: 64px;
  }

  .hero {
    min-height: 600px;
  }

  .hero-catch {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
  }

  .hero-title-en {
    font-size: 2.6rem;
  }

  .hero-title-ja {
    font-size: 0.85rem;
  }

  .hero-desc {
    font-size: 0.85rem;
  }

  .section-title {
    font-size: 1.4rem;
  }

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

  .concept-feature {
    padding: 28px 20px;
  }

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

  .service-gallery-image {
    aspect-ratio: 4 / 3;
  }

  .service-symptoms {
    padding: 32px 20px;
  }

  .flow-step {
    gap: 20px;
  }

  .flow-step-number {
    width: 48px;
    height: 48px;
    font-size: 0.95rem;
  }

  .flow-step:not(:last-child)::after {
    left: 23px;
    top: 64px;
  }

  .price-card-body {
    padding: 32px 24px;
  }

  .price-number {
    font-size: 2.4rem;
  }

  .price-card-includes ul {
    grid-template-columns: 1fr;
  }

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

  .contact-method {
    padding: 24px;
  }

  .area-map-visual {
    width: 240px;
    height: 240px;
  }

  /* 固定CTAボタン（モバイルのみ表示） */
  .fixed-cta {
    display: flex;
  }
}

@media (max-width: 480px) {
  .hero-title-en {
    font-size: 2rem;
  }

  .hero-btn {
    padding: 14px 32px;
    font-size: 0.85rem;
  }

  .section-title {
    font-size: 1.25rem;
  }

  .about-image-wrapper {
    max-width: 280px;
  }
}