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

:root {
  --primary: #2a9d8f;
  --primary-dark: #21867a;
  --dark: #1a1a2e;
  --text: #333;
  --text-light: #666;
  --bg: #fff;
  --bg-alt: #f7f9fc;
  --radius: 12px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  line-height: 1.8;
  font-weight: 300;
}

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

h2 {
  font-size: 2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 12px;
}

.section-subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-block;
  padding: 14px 32px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.95rem;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

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

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 20px rgba(42, 157, 143, 0.4);
}

.btn-nav {
  background: var(--primary);
  color: #fff;
  padding: 10px 24px;
  font-size: 0.85rem;
}

.btn-nav:hover {
  background: var(--primary-dark);
}

.btn-full {
  width: 100%;
  text-align: center;
}

/* ===== Navbar ===== */
.navbar {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  transition: box-shadow 0.3s;
}

.navbar.scrolled {
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 70px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--dark);
  text-decoration: none;
  letter-spacing: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
  font-size: 0.9rem;
  font-weight: 400;
  transition: color 0.3s;
}

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

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--dark);
  transition: all 0.3s;
}

.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;
  min-height: 100vh;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: #fff;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: url('images/hero.jpg') center / cover no-repeat;
  opacity: 0.35;
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 100px 0;
}

.hero-subtitle {
  font-size: 1rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 16px;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 24px;
}

.hero-text {
  font-size: 1.1rem;
  line-height: 2;
  opacity: 0.85;
  margin-bottom: 40px;
}

/* ===== About ===== */
.about {
  padding: 100px 0;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: center;
}

.profile-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  border-radius: var(--radius);
}

.about-text h2 {
  text-align: left;
  margin-bottom: 20px;
}

.about-text .name {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 20px;
}

.about-text .name span {
  font-weight: 300;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-left: 8px;
}

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

.credentials {
  list-style: none;
  margin-top: 24px;
}

.credentials li {
  padding: 8px 0;
  padding-left: 20px;
  position: relative;
  color: var(--text);
  font-weight: 400;
}

.credentials li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 8px;
  height: 8px;
  background: var(--primary);
  border-radius: 50%;
}

/* ===== Services ===== */
.services {
  padding: 100px 0;
  background: var(--bg-alt);
}

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

.service-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
}

.service-icon {
  font-size: 2rem;
  color: var(--primary);
  margin-bottom: 16px;
}

.service-card h3 {
  font-size: 1.2rem;
  margin-bottom: 12px;
}

.service-card p {
  color: var(--text-light);
  font-size: 0.95rem;
  margin-bottom: 20px;
}

.price {
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
}

/* ===== Flow ===== */
.flow {
  padding: 100px 0;
}

.flow-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.step {
  text-align: center;
}

.step-number {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
}

.step h3 {
  font-size: 1rem;
  margin-bottom: 12px;
}

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

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

.gallery-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  grid-template-rows: auto auto;
  gap: 16px;
}

.gallery-item {
  border-radius: var(--radius);
  overflow: hidden;
}

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

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

.gallery-wide {
  grid-row: 1 / 3;
}

/* ===== Testimonials ===== */
.testimonials {
  padding: 100px 0;
  background: var(--bg-alt);
}

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

.testimonial-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 32px;
}

.testimonial-text {
  font-size: 0.95rem;
  color: var(--text-light);
  line-height: 2;
  margin-bottom: 20px;
}

.testimonial-author {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--primary);
}

/* ===== Contact ===== */
.contact {
  padding: 100px 0;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  margin-top: 48px;
}

.contact-item {
  margin-bottom: 32px;
}

.contact-item h3 {
  font-size: 1rem;
  margin-bottom: 8px;
  color: var(--dark);
}

.contact-item p {
  color: var(--text-light);
  font-size: 0.95rem;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 400;
  margin-bottom: 6px;
}

.required {
  color: #e74c3c;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid #ddd;
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary);
}

.form-status {
  padding: 16px;
  border-radius: 8px;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.form-status.success {
  background: #d4edda;
  color: #155724;
  border: 1px solid #c3e6cb;
}

.form-status.error {
  background: #f8d7da;
  color: #721c24;
  border: 1px solid #f5c6cb;
}

/* ===== Footer ===== */
.footer {
  background: var(--dark);
  color: rgba(255, 255, 255, 0.6);
  text-align: center;
  padding: 40px 0;
  font-size: 0.85rem;
}

.footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: #fff;
  letter-spacing: 2px;
  margin-bottom: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .hamburger {
    display: flex;
  }

  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    padding: 32px 24px;
    gap: 24px;
    transform: translateY(-120%);
    transition: transform 0.3s;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
  }

  .nav-links.open {
    transform: translateY(0);
  }

  .hero h1 {
    font-size: 2rem;
  }

  .hero-text br {
    display: none;
  }

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

  .about-text h2 {
    text-align: center;
  }

  .profile-photo {
    max-width: 300px;
    margin: 0 auto;
    display: block;
  }

  .gallery-grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto;
  }

  .gallery-wide {
    grid-row: auto;
  }

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

  .flow-steps {
    grid-template-columns: 1fr 1fr;
  }

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

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

@media (max-width: 480px) {
  .flow-steps {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 1.6rem;
  }
}