/* ============================
   Harmony Web Design – Style
   ============================ */

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

:root {
  /* Brand Colors */
  --rose-50: #fff5f5;
  --rose-100: #ffe4e6;
  --rose-200: #fecdd3;
  --rose-300: #fda4af;
  --rose-400: #f27a8a;
  --rose-500: #e8536a;
  --gold-100: #fef3e2;
  --gold-200: #fde6c3;
  --gold-300: #f5d0a9;
  --gold-400: #d4a76a;
  --gold-500: #c9956a;

  /* Neutrals */
  --gray-50: #fafafa;
  --gray-100: #f5f5f5;
  --gray-200: #e8e5e3;
  --gray-300: #d6d3d1;
  --gray-400: #a8a29e;
  --gray-500: #78716c;
  --gray-600: #57534e;
  --gray-700: #44403c;
  --gray-800: #292524;
  --gray-900: #1c1917;

  /* Functional */
  --bg-primary: #fffbf9;
  --bg-secondary: #fff5f0;
  --bg-accent: linear-gradient(135deg, #fdf2f0 0%, #fef6ee 50%, #fdf2f8 100%);
  --text-primary: #3d2c2e;
  --text-secondary: #6b5a5c;
  --text-light: #9a8a8c;
  --accent-gradient: linear-gradient(135deg, #e8a0b4 0%, #d4a76a 100%);
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(232, 160, 180, 0.2);
  --shadow-sm: 0 2px 8px rgba(61, 44, 46, 0.06);
  --shadow-md: 0 8px 32px rgba(61, 44, 46, 0.08);
  --shadow-lg: 0 16px 48px rgba(61, 44, 46, 0.12);

  /* Typography */
  --font-body: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', sans-serif;
  --font-accent: 'Cormorant Garamond', serif;

  /* Spacing */
  --section-gap: 100px;
  --container-max: 1080px;
  --radius: 16px;
  --radius-sm: 10px;
}

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

body {
  font-family: var(--font-body);
  color: var(--text-primary);
  background: var(--bg-primary);
  line-height: 1.9;
  font-weight: 300;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

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

.sp-only { display: none; }

/* ---------- Header ---------- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 0;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.site-header.scrolled {
  background: rgba(255, 251, 249, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(61, 44, 46, 0.06);
  padding: 10px 0;
}

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

.logo {
  font-family: var(--font-accent);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.logo span {
  font-weight: 400;
  color: var(--text-secondary);
}

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

.global-nav a {
  font-size: 0.82rem;
  font-weight: 400;
  color: var(--text-secondary);
  transition: color 0.3s;
  letter-spacing: 0.02em;
}

.global-nav a:hover {
  color: var(--rose-400);
}

.nav-cta {
  background: var(--accent-gradient);
  color: #fff !important;
  padding: 8px 20px;
  border-radius: 100px;
  font-weight: 500 !important;
  font-size: 0.8rem !important;
  transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 20px rgba(232, 160, 180, 0.4);
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  width: 28px;
  padding: 4px 0;
  z-index: 1001;
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all 0.3s;
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.hamburger.active span:nth-child(2) {
  opacity: 0;
}
.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

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

.hero-bg {
  position: absolute;
  inset: 0;
  background: url('hero-bg.png') center/cover no-repeat;
  transform: scale(1.05);
  animation: heroZoom 20s ease-in-out infinite alternate;
}

@keyframes heroZoom {
  0% { transform: scale(1.05); }
  100% { transform: scale(1.12); }
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(255, 251, 249, 0.3) 0%,
    rgba(255, 245, 240, 0.5) 40%,
    rgba(255, 251, 249, 0.85) 100%
  );
}

.hero-content {
  position: relative;
  text-align: center;
  padding: 120px 24px 80px;
  max-width: 720px;
}

.hero-label {
  font-family: var(--font-accent);
  font-size: 1rem;
  color: var(--gold-400);
  letter-spacing: 0.15em;
  margin-bottom: 20px;
  font-weight: 400;
}

.hero-title {
  font-size: clamp(2.2rem, 6vw, 3.6rem);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
  color: var(--text-primary);
  letter-spacing: 0.04em;
}

.hero-subtitle {
  font-size: clamp(0.95rem, 2.5vw, 1.15rem);
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 48px;
  font-weight: 300;
}

.hero-scroll-hint {
  position: absolute;
  bottom: 32px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.hero-scroll-hint span {
  font-family: var(--font-accent);
  font-size: 0.7rem;
  color: var(--text-light);
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.scroll-line {
  width: 1px;
  height: 40px;
  background: var(--rose-300);
  animation: scrollLineAnim 2s ease-in-out infinite;
}

@keyframes scrollLineAnim {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 1; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0; }
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  border-radius: 100px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background: var(--accent-gradient);
  color: #fff;
  box-shadow: 0 4px 24px rgba(232, 160, 180, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(232, 160, 180, 0.45);
}

.btn-large {
  padding: 20px 52px;
  font-size: 1.05rem;
}

.btn-icon {
  font-size: 0.85em;
}

.btn-pulse {
  animation: pulse 3s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 24px rgba(232, 160, 180, 0.3); }
  50% { box-shadow: 0 4px 32px rgba(232, 160, 180, 0.55); }
}

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

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

.section-label {
  font-family: var(--font-accent);
  font-size: 0.85rem;
  color: var(--gold-400);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 12px;
  font-weight: 400;
}

.section-title {
  font-size: clamp(1.6rem, 4vw, 2.2rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text-primary);
  letter-spacing: 0.03em;
}

.section-title .accent {
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ---------- Problems ---------- */
.section-problems {
  background: var(--bg-accent);
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.problem-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

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

.problem-icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.problem-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* ---------- Reasons ---------- */
.reasons-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.reason-card {
  display: flex;
  gap: 32px;
  align-items: flex-start;
  background: #fff;
  border-radius: var(--radius);
  padding: 40px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
  transition: transform 0.3s, box-shadow 0.3s;
}

.reason-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.reason-number {
  font-family: var(--font-accent);
  font-size: 2.8rem;
  font-weight: 600;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  flex-shrink: 0;
  min-width: 60px;
}

.reason-body h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.reason-body p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ---------- Services ---------- */
.section-services {
  background: var(--bg-accent);
}

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

.service-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent-gradient);
  opacity: 0;
  transition: opacity 0.3s;
}

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

.service-card:hover::before {
  opacity: 1;
}

.service-number {
  font-size: 1.6rem;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 12px;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.service-card p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ---------- Flow ---------- */
.flow-timeline {
  position: relative;
  padding-left: 60px;
}

.flow-timeline::before {
  content: '';
  position: absolute;
  left: 24px;
  top: 16px;
  bottom: 16px;
  width: 2px;
  background: linear-gradient(180deg, var(--rose-200) 0%, var(--gold-200) 100%);
}

.flow-step {
  position: relative;
  margin-bottom: 40px;
}

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

.flow-step-marker {
  position: absolute;
  left: -60px;
  top: 4px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(232, 160, 180, 0.3);
}

.flow-step-num {
  color: #fff;
  font-family: var(--font-accent);
  font-size: 1.2rem;
  font-weight: 600;
}

.flow-step-content {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--gray-200);
}

.flow-step-content h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
}

.flow-step-content p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.9;
}

/* ---------- Testimonials ---------- */
.section-testimonials {
  background: var(--bg-accent);
}

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

.testimonial-card {
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius);
  padding: 40px 32px;
  position: relative;
}

.testimonial-quote {
  font-family: var(--font-accent);
  font-size: 4rem;
  line-height: 1;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: -8px;
  opacity: 0.6;
}

.testimonial-text {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 24px;
}

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

.testimonial-avatar {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-gradient);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 1rem;
  font-weight: 500;
  flex-shrink: 0;
}

.testimonial-name {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-primary);
}

.testimonial-role {
  font-size: 0.78rem;
  color: var(--text-light);
}

.testimonial-link {
  display: inline-block;
  font-size: 0.75rem;
  color: var(--rose-400);
  margin-top: 6px;
  transition: color 0.3s;
  letter-spacing: 0.02em;
}

.testimonial-link:hover {
  color: var(--rose-500);
  text-decoration: underline;
}

/* ---------- Profile ---------- */
.profile-content {
  display: flex;
  gap: 60px;
  align-items: center;
}

.profile-photo {
  flex-shrink: 0;
  width: 280px;
}

.profile-img {
  width: 280px;
  height: 340px;
  border-radius: var(--radius);
  object-fit: cover;
  object-position: center top;
  box-shadow: var(--shadow-md);
  border: 3px solid rgba(232, 160, 180, 0.2);
  transition: transform 0.4s, box-shadow 0.4s;
}

.profile-img:hover {
  transform: scale(1.02);
  box-shadow: var(--shadow-lg);
}

.profile-text h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.profile-brand {
  font-family: var(--font-accent);
  font-size: 0.9rem;
  color: var(--gold-400);
  letter-spacing: 0.1em;
  margin-bottom: 24px;
}

.profile-text p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 14px;
}

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

/* ---------- FAQ ---------- */
.section-faq {
  background: var(--bg-accent);
}

.faq-list {
  max-width: 760px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 12px;
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 28px;
  background: var(--card-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--card-border);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-primary);
  text-align: left;
  transition: all 0.3s;
  cursor: pointer;
}

.faq-question:hover {
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow-sm);
}

.faq-question[aria-expanded="true"] {
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
  border-bottom-color: transparent;
  background: #fff;
}

.faq-toggle {
  font-size: 1.4rem;
  color: var(--rose-400);
  font-weight: 300;
  transition: transform 0.3s;
  flex-shrink: 0;
  margin-left: 16px;
}

.faq-question[aria-expanded="true"] .faq-toggle {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s;
  background: #fff;
  border: 1px solid var(--card-border);
  border-top: none;
  border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  padding: 0 28px;
}

.faq-answer.open {
  max-height: 300px;
  padding: 0 28px 24px;
}

.faq-answer p {
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 2;
}

/* ---------- CTA ---------- */
.section-cta {
  background: linear-gradient(135deg, #fdf0ed 0%, #fef6ee 30%, #fdf0f5 70%, #f5ede8 100%);
  text-align: center;
  padding: 120px 0;
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(ellipse at 30% 50%, rgba(232, 160, 180, 0.08) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(212, 167, 106, 0.06) 0%, transparent 60%);
  animation: ctaBgFloat 15s ease-in-out infinite alternate;
}

@keyframes ctaBgFloat {
  0% { transform: translate(0, 0) rotate(0deg); }
  100% { transform: translate(-2%, 2%) rotate(2deg); }
}

.cta-content {
  position: relative;
}

.cta-content h2 {
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--text-primary);
  line-height: 1.6;
}

.cta-content p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 2;
  margin-bottom: 40px;
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--gray-800);
  color: var(--gray-400);
  text-align: center;
  padding: 48px 0;
}

.footer-logo {
  font-family: var(--font-accent);
  font-size: 1.2rem;
  color: var(--gray-200);
  margin-bottom: 12px;
}

.footer-logo span {
  color: var(--gray-400);
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--gray-500);
  letter-spacing: 0.05em;
}

/* ---------- Fade Animation ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

  .profile-content {
    gap: 40px;
  }

  .profile-photo {
    width: 220px;
  }

  .profile-img {
    width: 220px;
    height: 280px;
  }
}

@media (max-width: 768px) {
  :root {
    --section-gap: 72px;
  }

  .sp-only { display: inline; }

  /* Header Mobile */
  .hamburger {
    display: flex;
  }

  .global-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: rgba(255, 251, 249, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: center;
    gap: 0;
    padding: 32px;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -8px 0 40px rgba(0, 0, 0, 0.08);
  }

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

  .global-nav a {
    font-size: 0.95rem;
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-200);
  }

  .nav-cta {
    margin-top: 16px;
    text-align: center;
    padding: 14px 24px !important;
    border-bottom: none !important;
  }

  /* Hero Mobile */
  .hero-content {
    padding: 100px 20px 60px;
  }

  .hero-subtitle br.sp-only {
    display: inline;
  }

  /* Problem Grid */
  .problems-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

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

  /* Reasons */
  .reason-card {
    flex-direction: column;
    gap: 16px;
    padding: 28px 24px;
  }

  .reason-number {
    font-size: 2.2rem;
  }

  /* Services */
  .services-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* Flow */
  .flow-timeline {
    padding-left: 50px;
  }

  .flow-step-marker {
    left: -50px;
    width: 40px;
    height: 40px;
  }

  .flow-step-num {
    font-size: 1rem;
  }

  .flow-step-content {
    padding: 24px;
  }

  /* Testimonials */
  .testimonials-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  /* Profile */
  .profile-content {
    flex-direction: column;
    text-align: center;
    gap: 32px;
  }

  .profile-photo {
    width: 200px;
    margin: 0 auto;
  }

  .profile-img {
    width: 200px;
    height: 250px;
  }

  /* FAQ */
  .faq-question {
    padding: 18px 20px;
    font-size: 0.88rem;
  }

  .faq-answer {
    padding: 0 20px;
  }

  .faq-answer.open {
    padding: 0 20px 20px;
  }

  /* CTA */
  .section-cta {
    padding: 80px 0;
  }

  .btn-large {
    padding: 16px 36px;
    font-size: 0.95rem;
  }
}

@media (max-width: 375px) {
  html {
    font-size: 14px;
  }

  .hero-title {
    font-size: 1.9rem;
  }

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