/* ==== CSS RESET & BASE (Dynamic & Exciting Theme) ==== */
:root {
  --bg-primary: #ffffff;
  --bg-secondary: #f4f7f6;
  --text-main: #111827;
  --text-muted: #4b5563;
  --brand-energy: #FF2E63; /* Vibrant Pink/Red */
  --brand-electric: #08D9D6; /* Electric Cyan */
  --brand-dark: #252A34; /* Deep Slate */
  
  --font-base: 'Zen Kaku Gothic New', sans-serif;
  --font-heading: 'Zen Kaku Gothic New', sans-serif;
  --font-en: 'Montserrat', 'Fredoka', sans-serif;
  
  --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
  --shadow-lg: 0 20px 40px rgba(0,0,0,0.1);
  --shadow-brand: 0 10px 30px rgba(255, 46, 99, 0.3);
}

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

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

body {
  background-color: var(--bg-primary);
  color: var(--text-main);
  font-family: var(--font-base);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--brand-energy);
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

::selection {
  background: var(--brand-electric);
  color: #000;
}

/* ==== TYPOGRAPHY ==== */
.title-en {
  font-family: var(--font-en);
  font-weight: 900;
  letter-spacing: 0.15em;
  font-size: 1rem;
  color: var(--brand-electric);
  text-transform: uppercase;
  display: block;
  margin-bottom: 0.5rem;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.5rem, 5vw, 4rem);
  margin-bottom: 1rem;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.text-gradient {
  background: linear-gradient(135deg, var(--brand-energy), #FF8C42);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  display: inline-block;
}

/* ==== LAYOUT ==== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 120px 0;
  position: relative;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
@media (min-width: 901px) {
  .grid-3 > article:nth-child(2) { margin-top: 40px; }
  .grid-3 > article:nth-child(3) { margin-top: 80px; }
}

@media (max-width: 900px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .grid-3 { grid-template-columns: 1fr; gap: 40px; }
}

/* ==== HEADER ==== */
.header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid rgba(0,0,0,0.05);
  padding: 16px 0;
  transition: transform 0.3s;
}

.header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 900;
  font-size: 1.4rem;
  color: var(--brand-dark);
  letter-spacing: -0.03em;
}

.logo-mark {
  width: 44px;
  height: 44px;
  background: var(--brand-dark);
  color: #fff;
  display: grid;
  place-items: center;
  font-family: var(--font-en);
  font-weight: 900;
  font-size: 1.5rem;
  transform: skew(-10deg);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  font-weight: 700;
}

.nav-links a:not(.btn) {
  color: var(--text-main);
  position: relative;
}

.nav-links a:not(.btn)::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 3px;
  background: var(--brand-electric);
  transition: width 0.3s ease;
}

.nav-links a:not(.btn):hover::after { width: 100%; }

@media (max-width: 900px) {
  .hero-img-main { width: 85%; }
  .hero-img-sub1 { top: 55%; left: 0; width: 65%; }
  .hero-img-sub2 { display: none; }
  .hero-image-collage { min-height: 400px; }
}


/* ==== BUTTONS ==== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 16px 40px;
  font-weight: 900;
  font-size: 1.1rem;
  cursor: pointer;
  border: none;
  transform: skew(-10deg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.btn-inner {
  transform: skew(10deg);
  display: inline-block;
  position: relative;
  z-index: 2;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,0.2);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
  z-index: 1;
}

.btn:hover::before { transform: translateX(0); }
.btn:hover { transform: skew(-10deg) translateY(-4px); }

.btn-primary {
  background: var(--brand-energy);
  color: #fff !important;
  box-shadow: var(--shadow-brand);
}

.btn-dark {
  background: var(--brand-dark);
  color: #fff !important;
  box-shadow: 0 10px 30px rgba(37, 42, 52, 0.3);
}

.btn-line {
  background: #06C755;
  color: #fff !important;
  box-shadow: 0 10px 30px rgba(6, 199, 85, 0.3);
}

.btn-insta {
  background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  color: #fff !important;
  box-shadow: 0 10px 30px rgba(225, 48, 108, 0.3);
}

/* ==== HERO ==== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: 120px;
  padding-bottom: 120px;
  position: relative;
  background: var(--bg-secondary);
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  overflow: hidden;
}

.hero-bg-text {
  position: absolute;
  top: 50%;
  left: -5%;
  transform: translateY(-50%);
  font-family: var(--font-en);
  font-size: 20vw;
  font-weight: 900;
  color: rgba(0,0,0,0.03);
  z-index: 0;
  pointer-events: none;
  white-space: nowrap;
}

.hero .container {
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(3rem, 6vw, 5.5rem);
  line-height: 1.1;
  font-weight: 900;
  margin-bottom: 24px;
  letter-spacing: -0.03em;
}

.hero-desc {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-muted);
  max-width: 500px;
  margin-bottom: 40px;
}

.hero-visual {
  position: relative;
}

.hero-image-collage {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: 500px;
}
.hero-image-collage img {
  position: absolute;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border: 4px solid #fff;
  transition: transform 0.5s ease, z-index 0.5s;
  object-fit: cover;
}
.hero-image-collage img:hover { z-index: 10; transform: scale(1.05) rotate(0deg) !important; }

.hero-img-main { top: 0%; right: -5%; width: 90%; z-index: 2; transform: rotate(3deg); }
.hero-img-sub1 { top: 45%; left: -10%; width: 70%; z-index: 3; transform: rotate(-5deg); }
.hero-img-sub2 { top: -10%; left: 10%; width: 60%; z-index: 1; transform: rotate(-2deg); opacity: 0.9; }

.hero-accent-shape {
  position: absolute;
  bottom: -20px;
  left: -20px;
  width: 120px;
  height: 120px;
  background: var(--brand-electric);
  border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
  z-index: -1;
  animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
  0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
  50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
  100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

/* ==== ABOUT ==== */
.feature-box {
  background: #fff;
  padding: 40px;
  border-radius: 24px;
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  transition: transform 0.3s;
}

.feature-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.feature-box::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 6px;
  height: 100%;
  background: var(--brand-energy);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 24px;
  margin-top: 40px;
}

.tag {
  display: inline-block;
  padding: 12px 24px;
  background: var(--brand-dark);
  color: #fff;
  font-weight: 900;
  font-size: 1.1rem;
  transform: skew(-10deg);
}

.tag span { display: inline-block; transform: skew(10deg); }

/* ==== WALLS ==== */
.walls-section {
  background: var(--brand-dark);
  color: #fff;
  clip-path: polygon(0 10%, 100% 0, 100% 90%, 0 100%);
  padding: 160px 0;
}

.wall-card {
  background: #fff;
  color: var(--text-main);
  border-radius: 16px;
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.wall-card:hover { transform: translateY(-15px); }

.wall-img {
  aspect-ratio: 4/3;
  position: relative;
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% 85%, 0 100%);
}

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

.wall-card:hover .wall-img img { transform: scale(1.1); }

.wall-badge {
  position: absolute;
  top: 20px; left: 20px;
  background: var(--brand-electric);
  color: var(--brand-dark);
  font-weight: 900;
  padding: 8px 16px;
  transform: skew(-10deg);
}
.wall-badge span { display: inline-block; transform: skew(10deg); }

.wall-content { padding: 32px 24px; }
.wall-title { font-size: 1.5rem; font-weight: 900; margin-bottom: 12px; }

/* ==== PRICE ==== */
.price-card {
  background: #fff;
  border: 4px solid var(--brand-dark);
  padding: 40px;
  border-radius: 24px;
  position: relative;
  transition: transform 0.3s;
}

.price-card:hover { transform: translateY(-10px); }

.price-card.featured {
  background: var(--brand-dark);
  color: #fff;
  border-color: var(--brand-energy);
}

.featured-label {
  position: absolute;
  top: -20px; right: 40px;
  background: var(--brand-energy);
  color: #fff;
  font-weight: 900;
  padding: 8px 24px;
  transform: skew(-10deg);
}

.price-val { font-family: var(--font-en); font-size: 3rem; font-weight: 900; line-height: 1; margin: 24px 0; }
.price-card.featured .price-val { color: var(--brand-electric); }

.price-row { display: flex; justify-content: space-between; padding: 16px 0; border-bottom: 2px dashed rgba(0,0,0,0.1); font-weight: 700; }
.price-card.featured .price-row { border-bottom-color: rgba(255,255,255,0.1); }

/* ==== FAQ ==== */
.faq-item {
  background: #fff;
  border-radius: 16px;
  margin-bottom: 16px;
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}
.faq-q {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: 24px;
  font-size: 1.1rem;
  font-weight: 700;
  cursor: pointer;
  display: flex;
  align-items: center;
  transition: background 0.3s ease;
  color: var(--text-main);
}
.faq-q:hover { background: rgba(0,0,0,0.02); }
.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  background: var(--brand-dark);
  color: #fff;
  border-radius: 8px;
  font-weight: 900;
  margin-right: 16px;
  flex-shrink: 0;
}
.faq-text { flex: 1; padding-right: 16px; }
.faq-toggle {
  font-size: 1.5rem;
  font-weight: 300;
  transition: transform 0.3s ease;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); color: var(--brand-energy); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  background: #fcfcfc;
}
.faq-a-inner {
  padding: 0 24px 24px 24px;
  display: flex;
  align-items: flex-start;
  color: var(--text-muted);
  font-weight: 700;
  line-height: 1.6;
}
.faq-a-inner .faq-icon { background: var(--brand-energy); }
.faq-a-inner p { margin: 0; padding-top: 4px; }

/* ==== CONTACT FORM ==== */
.contact-panel {
  background: #fff;
  padding: 48px;
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  border-top: 8px solid var(--brand-electric);
  display: flex;
  flex-direction: column;
  height: 100%;
}
.contact-panel-title {
  font-weight: 900;
  font-size: 1.3rem;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 2px solid var(--bg-secondary);
  text-align: center;
}

.form-label { font-weight: 900; display: block; margin-bottom: 12px; font-size: 1.1rem; }
.form-control {
  width: 100%;
  background: var(--bg-secondary);
  border: 2px solid transparent;
  padding: 18px;
  font-size: 1rem;
  font-weight: 700;
  border-radius: 12px;
  transition: all 0.3s;
}
.form-control:focus { outline: none; border-color: var(--brand-electric); background: #fff; }

.check-label {
  display: flex; align-items: center; gap: 12px;
  padding: 16px; background: var(--bg-secondary);
  border-radius: 12px; font-weight: 700; cursor: pointer;
  border: 2px solid transparent; transition: all 0.3s;
}
.check-label:hover { border-color: var(--brand-electric); }
.check-label input { width: 24px; height: 24px; accent-color: var(--brand-energy); }
.check-label:has(input:checked) { border-color: var(--brand-energy); background: rgba(255,46,99,0.05); }

/* ==== CONTACT & ACCESS ==== */
.contact-section {
  background: var(--bg-secondary);
  padding: 160px 0 120px;
  clip-path: polygon(0 3%, 100% 0, 100% 100%, 0 100%);
  margin-top: -40px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: stretch;
}

.map-wrapper {
  border-radius: 16px;
  overflow: hidden;
  position: relative;
  background: #eee;
  width: 100%;
}
.map-wrapper iframe {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0; left: 0;
  border: none;
}

.access-info h3 {
  font-weight: 900;
  font-size: 1.2rem;
  margin-bottom: 16px;
}
.access-info p {
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 12px;
  font-size: 0.95rem;
}

/* ==== ANIMATIONS ==== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
}
.reveal.visible {
  animation: revealUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}
@keyframes revealUp { to { opacity: 1; transform: translateY(0); } }
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }

/* Footer */
.footer { background: var(--brand-dark); color: #fff; padding: 60px 0; text-align: center; font-weight: 700; }

/* ==== HAMBURGER MENU ==== */
.hamburger {
  display: none;
  flex-direction: column;
  gap: 6px;
  cursor: pointer;
  z-index: 101;
}
.hamburger span {
  display: block; width: 30px; height: 3px;
  background: var(--brand-dark); transition: all 0.3s ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); background: var(--brand-energy); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); background: var(--brand-energy); }

@media (max-width: 900px) {
  .section { padding: 40px 0; }
  .walls-section { 
    padding: 120px 0 80px;
    clip-path: polygon(0 4%, 100% 0, 100% 96%, 0 100%);
  }
  .contact-section { padding: 100px 0 60px; margin-top: -30px; }
  .contact-panel { padding: 32px 24px; }
  .hamburger { display: flex; border: none; outline: none; padding: 10px; background: transparent; }
  .nav-links {
    position: fixed; top: 0; right: -100%; width: 100%; height: 100vh;
    background: rgba(255,255,255,0.98); flex-direction: column;
    justify-content: center; align-items: center;
    transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1); z-index: 100;
  }
  .nav-links.nav-active { right: 0; }
  .nav-links a:not(.btn) { font-size: 1.5rem; margin: 15px 0; }
  .contact-layout { grid-template-columns: 1fr; gap: 40px; }
}

/* ==== FLOATING BUTTON (FAB) ==== */
.fab-btn {
  position: fixed; bottom: 30px; right: 30px;
  background: var(--brand-energy); color: #fff !important;
  padding: 20px 40px; border-radius: 999px; font-weight: 900; font-size: 1.2rem;
  box-shadow: var(--shadow-brand); z-index: 90; transform: skew(-10deg);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); overflow: hidden;
}
.fab-btn::before {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: rgba(255,255,255,0.2); transform: translateX(-100%);
  transition: transform 0.5s ease; z-index: 1;
}
.fab-btn:hover::before { transform: translateX(0); }
.fab-btn:hover { transform: skew(-10deg) translateY(-4px) scale(1.05); }
.fab-btn .btn-inner { display: inline-block; transform: skew(10deg); position: relative; z-index: 2; }

@media (max-width: 900px) {
  body { padding-bottom: 70px; } /* スマホフッター被り防止 */
  .fab-btn {
    bottom: 0; right: 0; width: 100%; border-radius: 0; transform: none;
    padding: 20px; text-align: center; box-shadow: 0 -10px 30px rgba(255, 46, 99, 0.3);
  }
  .fab-btn .btn-inner { transform: none; }
  .fab-btn:hover { transform: none; }
}