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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  font-weight: 300;
  color: #32373c;
  background-color: #f9f8f6;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

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

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

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

/* ======================
   Header
   ====================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  transition: background-color 0.3s, box-shadow 0.3s;
}

.header.scrolled {
  background-color: rgba(20, 20, 20, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.header-logo {
  font-family: 'Oswald', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 2px;
}

.header-nav {
  display: flex;
  gap: 28px;
}

.header-nav a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 0.5px;
  transition: color 0.3s;
}

.header-nav a:hover {
  color: #fff;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: #fff;
  margin: 5px 0;
  transition: transform 0.3s, opacity 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);
}

.mobile-nav {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100vh;
  background-color: rgba(20, 20, 20, 0.97);
  z-index: 999;
  justify-content: center;
  align-items: center;
}

.mobile-nav.active {
  display: flex;
}

.mobile-nav nav {
  display: flex;
  flex-direction: column;
  gap: 28px;
  text-align: center;
}

.mobile-nav a {
  color: #fff;
  font-size: 18px;
  letter-spacing: 1px;
}

/* ======================
   Hero
   ====================== */
.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #0a0a0a;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    180deg,
    rgba(0, 0, 0, 0.3) 0%,
    rgba(0, 0, 0, 0.6) 100%
  );
  z-index: 1;
}

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

.hero-logo {
  width: 360px;
  max-width: 80%;
  margin: 0 auto 24px;
}

.hero-badge {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  font-weight: 300;
  letter-spacing: 6px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
}

.hero h1 {
  font-size: 32px;
  font-weight: 700;
  color: #fff;
  line-height: 1.6;
  margin-bottom: 20px;
  letter-spacing: 2px;
}

.hero-sub {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 40px;
  letter-spacing: 1px;
}

/* ======================
   Buttons
   ====================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 36px;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 400;
  letter-spacing: 1px;
  transition: all 0.3s;
  cursor: pointer;
  border: none;
}

.btn-primary {
  background-color: #fff;
  color: #0a0a0a;
}

.btn-primary:hover {
  background-color: #e0e0e0;
}

.btn-contact {
  min-width: 260px;
  padding: 18px 40px;
  font-size: 16px;
  font-weight: 400;
  border-radius: 4px;
}

.btn-phone {
  background-color: #32373c;
  color: #fff;
}

.btn-phone:hover {
  background-color: #484e55;
}

.btn-line {
  background-color: #06C755;
  color: #fff;
}

.btn-line:hover {
  background-color: #05b34c;
}

.btn-contact svg {
  flex-shrink: 0;
}

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

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

.section-title-en {
  font-family: 'Oswald', sans-serif;
  font-size: 40px;
  font-weight: 300;
  letter-spacing: 4px;
  color: #32373c;
  margin-bottom: 8px;
}

.section-title-ja {
  font-size: 14px;
  color: #888;
  letter-spacing: 2px;
}

.section-desc {
  margin-top: 20px;
  font-size: 14px;
  color: #666;
  line-height: 2;
}

/* ======================
   About
   ====================== */
.section-about {
  background-color: #fff;
}

.about-content {
  display: flex;
  gap: 60px;
  align-items: center;
}

.about-logo {
  flex-shrink: 0;
  width: 320px;
  background-color: #0a0a0a;
  border-radius: 4px;
  overflow: hidden;
  padding: 20px;
}

.about-text p {
  margin-bottom: 16px;
  font-size: 15px;
  line-height: 2;
}

.about-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}

.badge {
  display: inline-block;
  padding: 8px 20px;
  background-color: #0a0a0a;
  color: #fff;
  font-size: 13px;
  font-weight: 400;
  letter-spacing: 1px;
  border-radius: 2px;
}

/* ======================
   Gallery
   ====================== */
.section-gallery {
  background-color: #f9f8f6;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 8px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 2px;
  aspect-ratio: 3 / 4;
}

.gallery-item-large {
  grid-column: span 2;
  aspect-ratio: 4 / 3;
}

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

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

/* ======================
   Spray Section
   ====================== */
.section-spray {
  background-color: #0a0a0a;
  color: #fff;
}

.spray-inner {
  display: flex;
  min-height: 500px;
}

.spray-image {
  flex: 1;
  min-width: 0;
}

.spray-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.spray-text {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 60px 80px;
}

.spray-text .section-title-en {
  color: #fff;
  text-align: left;
  font-size: 32px;
}

.spray-text .section-title-ja {
  color: rgba(255, 255, 255, 0.6);
  text-align: left;
  margin-bottom: 24px;
}

.spray-text p:last-child {
  font-size: 15px;
  line-height: 2;
  color: rgba(255, 255, 255, 0.8);
}

/* ======================
   Menu
   ====================== */
.section-menu {
  background-color: #fff;
}

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

.menu-card-price {
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid #e0e0e0;
  font-family: 'Oswald', sans-serif;
  font-size: 28px;
  font-weight: 600;
  color: #32373c;
  letter-spacing: 1px;
}

.menu-card-price span {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 13px;
  font-weight: 300;
  color: #888;
  margin-left: 4px;
}

.menu-card {
  background-color: #f9f8f6;
  border: 1px solid #eee;
  border-radius: 4px;
  padding: 36px;
}

.menu-card-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.menu-card h3 {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.5px;
}

.menu-card-tag {
  display: inline-block;
  padding: 3px 12px;
  background-color: #0a0a0a;
  color: #fff;
  font-size: 11px;
  letter-spacing: 1px;
  border-radius: 2px;
  flex-shrink: 0;
}

.menu-card p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}


/* ======================
   Flow
   ====================== */
.section-flow {
  background-color: #f9f8f6;
}

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

.flow-step {
  display: flex;
  gap: 32px;
  padding: 36px 0;
  border-bottom: 1px solid #e0e0e0;
}

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

.flow-step-number {
  font-family: 'Oswald', sans-serif;
  font-size: 48px;
  font-weight: 300;
  color: #ccc;
  line-height: 1;
  flex-shrink: 0;
  width: 72px;
  text-align: center;
}

.flow-step-content h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
  letter-spacing: 0.5px;
}

.flow-step-content p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* ======================
   Organizations
   ====================== */
.section-org {
  background-color: #fff;
}

.org-content {
  text-align: center;
}

.org-badge {
  display: inline-block;
  font-family: 'Oswald', sans-serif;
  font-size: 48px;
  font-weight: 600;
  letter-spacing: 6px;
  color: #32373c;
  border: 3px solid #32373c;
  padding: 20px 48px;
  margin-bottom: 24px;
}

.org-content > p {
  font-size: 14px;
  color: #666;
  line-height: 1.8;
}

/* ======================
   Contact
   ====================== */
.section-contact {
  background-color: #0a0a0a;
  color: #fff;
}

.section-contact .section-title-en {
  color: #fff;
}

.section-contact .section-title-ja {
  color: rgba(255, 255, 255, 0.6);
}

.section-contact .section-desc {
  color: rgba(255, 255, 255, 0.5);
}

.contact-buttons {
  display: flex;
  justify-content: center;
  gap: 24px;
  flex-wrap: wrap;
}

/* ======================
   Footer
   ====================== */
.footer {
  background-color: #111;
  color: rgba(255, 255, 255, 0.5);
  padding: 48px 0 32px;
  font-size: 13px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: 24px;
}

.footer-name {
  font-family: 'Oswald', sans-serif;
  font-size: 18px;
  font-weight: 600;
  color: #fff;
  letter-spacing: 2px;
  margin-bottom: 12px;
}

.footer-info p {
  line-height: 2;
}

.footer-info a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}

.footer-info a:hover {
  color: #fff;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  text-align: right;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.5);
  transition: color 0.3s;
}

.footer-links a:hover {
  color: #fff;
}

.footer-copy {
  text-align: center;
  font-size: 11px;
  color: rgba(255, 255, 255, 0.3);
}

/* ======================
   Responsive
   ====================== */
@media (max-width: 900px) {
  .header-nav {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero h1 {
    font-size: 24px;
  }

  .hero-logo {
    width: 280px;
  }

  .about-content {
    flex-direction: column;
    gap: 32px;
  }

  .about-logo {
    width: 100%;
    max-width: 360px;
  }

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

  .gallery-item-large {
    grid-column: span 2;
  }

  .spray-inner {
    flex-direction: column;
  }

  .spray-image {
    height: 300px;
  }

  .spray-text {
    padding: 40px 24px;
  }

  .spray-text .section-title-en,
  .spray-text .section-title-ja {
    text-align: center;
  }

  .spray-text p:last-child {
    text-align: center;
  }

  .menu-cards {
    grid-template-columns: 1fr;
  }

  .footer-content {
    flex-direction: column;
    gap: 24px;
  }

  .footer-links {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .section {
    padding: 64px 0;
  }

  .section-title-en {
    font-size: 28px;
  }

  .hero h1 {
    font-size: 20px;
  }

  .hero-logo {
    width: 220px;
  }

  .hero-badge {
    font-size: 12px;
    letter-spacing: 4px;
  }

  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 4px;
  }

  .gallery-item-large {
    grid-column: span 1;
    aspect-ratio: 3 / 4;
  }

  .flow-step {
    gap: 20px;
  }

  .flow-step-number {
    font-size: 36px;
    width: 48px;
  }

  .contact-buttons {
    flex-direction: column;
    align-items: center;
  }

  .btn-contact {
    width: 100%;
    max-width: 300px;
  }

  .org-badge {
    font-size: 36px;
    padding: 16px 32px;
  }
}