/* ===================================================
   NEUVE NINE - Main Stylesheet
   Style: White-based, Rockabilly / Lowbrow Art inspired
   =================================================== */

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

:root {
  --white:    #ffffff;
  --off-white: #f9f6f1;
  --black:    #1a1a1a;
  --dark:     #111111;
  --gray:     #555555;
  --light-gray: #e8e4df;
  --cream:    #f5f0eb;
  --accent:   #1a1a1a;
  --red:      #c0392b;

  --font-display: 'Cinzel', serif;
  --font-serif:   'Cormorant Garamond', serif;
  --font-jp:      'Noto Serif JP', serif;
  --font-bebas:   'Cinzel', serif;

  --transition: 0.3s ease;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
}

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

body {
  background: var(--white);
  color: var(--black);
  font-family: var(--font-jp);
  font-weight: 200;
  line-height: 2;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  letter-spacing: 0.02em;
}

a {
  color: inherit;
  text-decoration: none;
  transition: opacity var(--transition);
}
a:hover { opacity: 0.65; }

img, svg { display: block; max-width: 100%; }

/* ---------- Utility ---------- */
.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
}

.section {
  padding: 100px 0;
  position: relative;
}

.section-label {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 5px;
  color: var(--gray);
  text-align: center;
  margin-bottom: 16px;
  font-weight: 300;
}
.section-label.light { color: var(--gray); }

.section-title {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: 10px;
  text-align: center;
  color: var(--black);
  margin-bottom: 60px;
  position: relative;
  font-weight: 400;
  text-transform: uppercase;
}
.section-title::after {
  content: '';
  display: block;
  width: 60px;
  height: 2px;
  background: var(--black);
  margin: 16px auto 0;
}
.section-title.light { color: var(--black); }
.section-title.light::after { background: var(--black); }

/* ===================================================
   HEADER
   =================================================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--light-gray);
  transition: box-shadow var(--transition);
}
.site-header.scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 40px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.nav-logo-img {
  height: 36px;
  width: auto;
  display: block;
  filter: none;
}
.logo-text {
  font-family: var(--font-display);
  font-size: 16px;
  letter-spacing: 6px;
  color: var(--black);
  font-weight: 400;
  text-transform: uppercase;
}

.nav-links {
  list-style: none;
  display: flex;
  gap: 36px;
}
.nav-links a {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 4px;
  color: var(--gray);
  transition: color var(--transition);
  text-transform: uppercase;
  font-weight: 400;
}
.nav-links a:hover {
  color: var(--black);
  opacity: 1;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  width: 32px;
  height: 32px;
}
.nav-toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--black);
  transition: transform 0.3s, opacity 0.3s;
}

.nav-toggle.active span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-toggle.active span:nth-child(2) { opacity: 0; }
.nav-toggle.active span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ===================================================
   HERO
   =================================================== */
.hero {
  min-height: 100vh;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  padding: 80px 40px 60px;
}

.hero-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 28px 28px;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 32px;
  max-width: 700px;
  width: 100%;
}

.hero-logo-wrap {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}
.hero-logo-img {
  width: auto;
  max-width: 320px;
  height: auto;
  display: block;
  /* 白背景のPNGなのでそのまま使用 */
}
.hero-logo-name {
  font-family: var(--font-display);
  font-size: clamp(24px, 5vw, 44px);
  letter-spacing: 14px;
  color: var(--black);
  line-height: 1;
  text-align: center;
  font-weight: 400;
  text-transform: uppercase;
}
.hero-logo-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 5px;
  color: var(--gray);
  text-align: center;
  font-weight: 300;
}

.hero-tagline {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 15px;
  letter-spacing: 6px;
  color: var(--gray);
  margin-top: -8px;
  font-weight: 300;
}

.hero-scroll-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--black);
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 5px;
  margin-top: 16px;
  animation: bounce 2.5s ease-in-out infinite;
  font-weight: 400;
}
@keyframes bounce {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(8px); }
}

.hero-frame {
  position: absolute;
  width: 60px;
  height: 60px;
  z-index: 1;
}
.hero-frame--tl { top: 32px; left: 32px; border-top: 2px solid var(--black); border-left: 2px solid var(--black); }
.hero-frame--tr { top: 32px; right: 32px; border-top: 2px solid var(--black); border-right: 2px solid var(--black); }
.hero-frame--bl { bottom: 32px; left: 32px; border-bottom: 2px solid var(--black); border-left: 2px solid var(--black); }
.hero-frame--br { bottom: 32px; right: 32px; border-bottom: 2px solid var(--black); border-right: 2px solid var(--black); }

/* ===================================================
   ABOUT
   =================================================== */
.about-section {
  background: var(--white);
}

/* about-grid removed – text only layout */
.about-text-only {
  max-width: 760px;
  margin: 0 auto;
}

.about-text-only p,
.about-text p {
  font-size: 14px;
  line-height: 2.2;
  color: #333;
  margin-bottom: 24px;
  font-family: var(--font-jp);
  font-weight: 200;
  letter-spacing: 0.05em;
}
.about-text-only p:last-child,
.about-text p:last-child { margin-bottom: 0; }

/* ===================================================
   PHILOSOPHY
   =================================================== */
.philosophy-section {
  background: var(--white);
  color: var(--black);
  overflow: hidden;
}

.philosophy-bg {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(0,0,0,0.015) 40px,
      rgba(0,0,0,0.015) 41px
    );
}

.philosophy-container {
  position: relative;
  z-index: 1;
}

.philosophy-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2px;
  margin-bottom: 60px;
}

.phil-card {
  background: var(--off-white);
  border: 1px solid var(--light-gray);
  padding: 48px 36px;
  transition: background var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
}
.phil-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 3px;
  height: 0;
  background: var(--black);
  transition: height 0.4s ease;
}
.phil-card:hover::before { height: 100%; }
.phil-card:hover { background: var(--cream); box-shadow: var(--shadow); }

.phil-number {
  font-family: var(--font-display);
  font-size: 44px;
  color: var(--light-gray);
  line-height: 1;
  margin-bottom: 20px;
  letter-spacing: 4px;
  font-weight: 400;
}

.phil-card h3 {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 16px;
  line-height: 1.6;
  letter-spacing: 0.1em;
}

.phil-card p {
  font-size: 12px;
  line-height: 2.2;
  color: var(--gray);
  font-weight: 200;
  letter-spacing: 0.05em;
}

.philosophy-quote {
  text-align: center;
  padding: 40px 0 0;
  border-top: 1px solid var(--light-gray);
}
.philosophy-quote blockquote {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: clamp(17px, 2.5vw, 24px);
  color: var(--gray);
  line-height: 2;
  letter-spacing: 1px;
  font-weight: 300;
}

/* ===================================================
   BUSINESS
   =================================================== */
.business-section {
  background: var(--off-white);
}

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

.biz-card {
  background: var(--white);
  padding: 52px 44px;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
  border: 1px solid var(--light-gray);
  overflow: hidden;
}
.biz-card::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0;
  height: 3px;
  background: var(--black);
  transition: width 0.4s ease;
}
.biz-card:hover::after { width: 100%; }
.biz-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
}

.biz-card--cat {
  background: var(--white);
}

.biz-card-number {
  font-family: var(--font-display);
  font-size: 32px;
  color: var(--light-gray);
  letter-spacing: 4px;
  line-height: 1;
  margin-bottom: 16px;
  font-weight: 400;
}

.biz-card h3 {
  font-family: var(--font-jp);
  font-size: 15px;
  font-weight: 400;
  color: var(--black);
  margin-bottom: 16px;
  line-height: 1.7;
  letter-spacing: 0.08em;
}

.biz-card p {
  font-size: 12px;
  line-height: 2.2;
  color: var(--gray);
  font-weight: 200;
  letter-spacing: 0.04em;
}

/* ===================================================
   CEO
   =================================================== */
.ceo-section {
  background: var(--white);
  overflow: hidden;
}

.ceo-container {
  position: relative;
  z-index: 1;
}

.ceo-grid {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 48px;
}

.ceo-photo-wrap {
  display: flex;
  justify-content: center;
}

.ceo-photo-frame {
  position: relative;
  display: inline-block;
}

.ceo-photo-placeholder {
  overflow: hidden;
  line-height: 0;
}
.ceo-photo-img {
  width: 300px;
  height: 400px;
  object-fit: cover;
  object-position: 50% 20%;
  display: block;
}

.photo-corner {
  position: absolute;
  width: 20px;
  height: 20px;
}
.photo-corner--tl { top: -6px; left: -6px; border-top: 2px solid var(--black); border-left: 2px solid var(--black); }
.photo-corner--tr { top: -6px; right: -6px; border-top: 2px solid var(--black); border-right: 2px solid var(--black); }
.photo-corner--bl { bottom: -6px; left: -6px; border-bottom: 2px solid var(--black); border-left: 2px solid var(--black); }
.photo-corner--br { bottom: -6px; right: -6px; border-bottom: 2px solid var(--black); border-right: 2px solid var(--black); }

.ceo-info {
  padding-top: 8px;
  text-align: center;
  max-width: 640px;
  width: 100%;
}

.ceo-name-wrap {
  margin-bottom: 24px;
}

.ceo-role {
  display: block;
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  letter-spacing: 4px;
  color: var(--gray);
  margin-bottom: 8px;
  font-weight: 300;
}

.ceo-name {
  font-family: var(--font-display);
  font-size: clamp(32px, 4vw, 50px);
  letter-spacing: 8px;
  color: var(--black);
  line-height: 1.1;
  font-weight: 400;
  text-transform: uppercase;
}

.ceo-divider {
  margin-bottom: 28px;
  font-size: 18px;
  color: var(--black);
  letter-spacing: 4px;
}

.ceo-bio p {
  font-size: 13px;
  line-height: 2.3;
  color: #333;
  margin-bottom: 20px;
  font-weight: 200;
  letter-spacing: 0.05em;
}
.ceo-bio p:last-child { margin-bottom: 0; }

.ceo-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 32px;
  justify-content: center;
}

.tag {
  display: inline-block;
  border: 1px solid var(--black);
  padding: 5px 16px;
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--black);
  transition: background var(--transition), color var(--transition);
  font-weight: 400;
  text-transform: uppercase;
}
.tag:hover {
  background: var(--black);
  color: var(--white);
}

/* ===================================================
   CONTACT
   =================================================== */
.contact-section {
  background: var(--off-white);
  text-align: center;
}

.contact-lead {
  font-size: 14px;
  line-height: 2;
  color: var(--gray);
  margin-bottom: 52px;
  margin-top: -20px;
}

.contact-box {
  max-width: 560px;
  margin: 0 auto;
  border: 1.5px solid var(--black);
  padding: 56px 48px;
  position: relative;
  background: var(--white);
}
.contact-box::before {
  content: '';
  position: absolute;
  top: 6px; left: 6px; right: -6px; bottom: -6px;
  border: 1px solid var(--light-gray);
  z-index: -1;
}

.contact-ornament {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 14px;
  letter-spacing: 4px;
  color: var(--gray);
  margin-bottom: 24px;
  font-weight: 300;
}

.contact-email {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(14px, 2vw, 17px);
  letter-spacing: 3px;
  color: var(--black);
  margin-bottom: 36px;
  text-decoration: underline;
  text-underline-offset: 6px;
  word-break: break-all;
  font-weight: 300;
}

.contact-social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
}

.social-link {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 9px;
  letter-spacing: 3px;
  color: var(--gray);
  border: 1px solid var(--light-gray);
  padding: 11px 22px;
  transition: border-color var(--transition), color var(--transition);
  font-weight: 400;
  text-transform: uppercase;
}
.social-link:hover {
  border-color: var(--black);
  color: var(--black);
  opacity: 1;
}

/* ===================================================
   FOOTER
   =================================================== */
.site-footer {
  background: var(--black);
  color: var(--white);
  padding: 60px 40px;
}

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

.footer-logo {
  font-family: var(--font-display);
  font-size: 24px;
  letter-spacing: 12px;
  color: var(--white);
  margin-bottom: 20px;
  font-weight: 400;
  text-transform: uppercase;
}

.footer-divider {
  font-size: 14px;
  letter-spacing: 8px;
  color: rgba(255,255,255,0.3);
  margin-bottom: 20px;
}

.footer-copy {
  font-family: var(--font-display);
  font-size: 10px;
  letter-spacing: 3px;
  color: rgba(255,255,255,0.35);
  margin-bottom: 8px;
  font-weight: 400;
}

.footer-sub {
  font-family: var(--font-serif);
  font-style: italic;
  font-size: 13px;
  color: rgba(255,255,255,0.22);
  letter-spacing: 4px;
  font-weight: 300;
}

/* ===================================================
   ANIMATIONS
   =================================================== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================================
   MOBILE NAV OVERLAY
   =================================================== */
.mobile-nav {
  display: none;
  position: fixed;
  top: 64px; left: 0; right: 0; bottom: 0;
  background: var(--white);
  z-index: 99;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 40px;
  opacity: 0;
  transition: opacity 0.3s;
}
.mobile-nav.open {
  display: flex;
  opacity: 1;
}
.mobile-nav a {
  font-family: var(--font-display);
  font-size: 28px;
  letter-spacing: 10px;
  color: var(--black);
  font-weight: 400;
  text-transform: uppercase;
}

/* ===================================================
   RESPONSIVE
   =================================================== */
@media (max-width: 900px) {
  .about-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .about-ornament { display: none; }

  .philosophy-cards {
    grid-template-columns: 1fr;
    gap: 2px;
  }

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

  .ceo-photo-wrap { justify-content: center; }
}

@media (max-width: 768px) {
  .container { padding: 0 24px; }
  .section { padding: 72px 0; }

  .nav-links { display: none; }
  .nav-toggle { display: flex; }

  .hero-frame { width: 36px; height: 36px; }
  .hero-frame--tl, .hero-frame--tr { top: 20px; }
  .hero-frame--bl, .hero-frame--br { bottom: 20px; }
  .hero-frame--tl, .hero-frame--bl { left: 20px; }
  .hero-frame--tr, .hero-frame--br { right: 20px; }

  .contact-box { padding: 40px 28px; }
  .contact-social { flex-direction: column; align-items: center; }

  .biz-card { padding: 36px 28px; }
  .phil-card { padding: 36px 28px; }
}

@media (max-width: 480px) {
  .nav-inner { padding: 0 20px; }
  .logo-text { font-size: 16px; letter-spacing: 3px; }
}