:root {
  --white: #fdfcfa;
  --warm-black: #1c1a17;
  --light-gray: #ececea;
  --gold: #c9a667;
  --muted: #9b968d;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: "Noto Sans JP", "Inter", sans-serif;
  color: var(--warm-black);
  background: var(--white);
  line-height: 1.9;
  font-weight: 300;
  letter-spacing: 0.02em;
}

a { color: inherit; text-decoration: none; touch-action: manipulation; }
button { touch-action: manipulation; }

/* ---- Loader ---- */
.loader {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--white);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.8s ease;
}
.loader span {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 18px;
  letter-spacing: 0.12em;
  color: var(--warm-black);
  animation: loaderFade 1.6s ease forwards;
}
.loader.is-done { opacity: 0; pointer-events: none; }

@keyframes loaderFade {
  0% { opacity: 0; }
  35% { opacity: 1; }
  100% { opacity: 1; }
}

/* ---- Reveal ---- */
.reveal {
  opacity: 0;
  transform: translateY(36px);
  transition: opacity 2.4s ease, transform 2.4s ease;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal .stagger {
  display: inline-block;
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 1.8s ease, transform 1.8s ease;
}
.reveal.is-visible .stagger:nth-child(1) { transition-delay: 0.1s; }
.reveal.is-visible .stagger:nth-child(2) { transition-delay: 0.6s; }
.reveal.is-visible .stagger:nth-child(3) { transition-delay: 1.1s; }
.reveal.is-visible .stagger {
  opacity: 1;
  transform: translateY(0);
}

/* ---- Components ---- */
.eyebrow {
  display: block;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--muted);
  margin-bottom: 24px;
  text-transform: uppercase;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 32px;
  border-radius: 999px;
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.14em;
  background: var(--warm-black);
  color: #fff;
  transition: opacity 0.8s ease;
}
.btn:hover { opacity: 0.7; }

.link-line {
  font-family: "Inter", sans-serif;
  font-size: 12px;
  letter-spacing: 0.1em;
  border-bottom: 1px solid currentColor;
  padding-bottom: 6px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 5vw;
  color: var(--warm-black);
  background: rgba(253, 252, 250, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  transition: background 0.5s ease, padding 0.5s ease, color 0.5s ease;
}

.site-header.is-scrolled {
  background: rgba(253, 252, 250, 0.95);
  padding: 14px 5vw;
}

body.drawer-open .site-header {
  background: rgba(253, 252, 250, 0.98);
}

/* TOPページのみ: スクロール前は透明・白文字で隠す */
body.page-top .site-header {
  color: #fff;
  background: transparent;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
}
body.page-top .site-header.is-scrolled {
  color: var(--warm-black);
  background: rgba(253, 252, 250, 0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
body.page-top.drawer-open .site-header {
  color: var(--warm-black);
  background: rgba(253, 252, 250, 0.98);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.logo {
  font-family: "Inter", sans-serif;
  font-weight: 500;
  font-size: 10px;
  letter-spacing: 0.12em;
}

.nav {
  display: none;
  gap: 48px;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.16em;
}

/* ---- Footer ---- */
.site-footer {
  padding: 48px 6vw;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.05em;
  color: #6e6861;
}

.footer-left {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.footer-logo {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.05em;
}

.footer-sns {
  display: flex;
  gap: 16px;
  align-items: center;
}

.footer-sns-link {
  display: flex;
  align-items: center;
  color: #6e6861;
  transition: color 0.4s ease;
}

.footer-sns-link:hover {
  color: var(--warm-black);
}

.footer-sns-link svg {
  width: 16px;
  height: 16px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
}

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

.footer-pp {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.08em;
  color: #6e6861;
  border-bottom: 1px solid var(--light-gray);
  padding-bottom: 1px;
  transition: border-color 0.3s ease;
}

.footer-pp:hover { border-color: #6e6861; }

.footer-copy {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.05em;
}

.br-mobile { display: inline; }

/* ---- Hamburger toggle button ---- */
.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  width: 32px;
  height: 32px;
  background: none;
  border: none;
  padding: 0;
  cursor: pointer;
  color: inherit;
  flex-shrink: 0;
  position: relative;
  z-index: 601;
  -webkit-tap-highlight-color: transparent;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 1px;
  background: currentColor;
  transition: transform 0.35s ease, opacity 0.25s ease;
  transform-origin: center;
  pointer-events: none;
}

.nav-toggle.is-active span:nth-child(1) {
  transform: translateY(5px) rotate(45deg);
}
.nav-toggle.is-active span:nth-child(2) {
  opacity: 0;
}
.nav-toggle.is-active span:nth-child(3) {
  transform: translateY(-5px) rotate(-45deg);
}

body.drawer-open .site-header {
  z-index: 600;
  mix-blend-mode: normal;
  color: var(--warm-black);
  background: rgba(253, 252, 250, 0.95);
}

/* ---- Drawer ---- */
.nav-drawer {
  position: fixed;
  top: 0;
  right: 0;
  width: 80vw;
  max-width: 320px;
  height: 100vh;
  height: 100dvh;
  background: var(--white);
  z-index: 500;
  display: flex;
  flex-direction: column;
  padding: 80px 10vw 48px;
  gap: 32px;
  transform: translateX(100%);
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  overflow-y: auto;
  box-shadow: -4px 0 32px rgba(28,26,23,0.12);
  visibility: hidden;
  pointer-events: none;
}

.nav-drawer.is-open {
  transform: translateX(0);
  visibility: visible;
  pointer-events: auto;
}

.nav-drawer a {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--warm-black);
  text-decoration: none;
  transition: opacity 0.3s ease;
}

.nav-drawer a:hover,
.nav-drawer a:active { opacity: 0.5; }

.nav-drawer .nav-drawer-contact {
  margin-top: auto;
  padding-top: 24px;
  border-top: 1px solid var(--light-gray);
  font-size: 13px;
  letter-spacing: 0.1em;
}

/* ---- Overlay ---- */
.nav-overlay {
  position: fixed;
  inset: 0;
  background: rgba(28, 26, 23, 0.45);
  z-index: 400;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
}

.nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

/* =============================================
   PC only: min-width: 1024px 以上
   ============================================= */
@media (min-width: 1024px) {
  .nav-toggle { display: none !important; }
  .nav-drawer { display: none !important; }
  .nav-overlay { display: none !important; }
  .nav { display: flex; }

  .site-header {
    padding: 40px 6vw;
    mix-blend-mode: difference;
    color: #fff;
    background: transparent;
  }
  .site-header.is-scrolled {
    padding: 26px 6vw;
    mix-blend-mode: normal;
    color: var(--warm-black);
    background: rgba(253, 252, 250, 0.92);
  }

  .logo { font-size: 15px; }

  .site-footer { padding: 64px 6vw; }

  .br-mobile { display: none; }
}

/* ---- Cookie Consent Banner ---- */
.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 9000;
  background: var(--warm-black);
  color: var(--white);
  padding: 20px 6vw 28px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  transform: translateY(100%);
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.cookie-banner.is-visible {
  transform: translateY(0);
}

.cookie-text {
  font-family: "Inter", sans-serif;
  font-size: 11px;
  letter-spacing: 0.05em;
  line-height: 1.9;
  color: rgba(253, 252, 250, 0.85);
}

.cookie-text a {
  color: var(--white);
  border-bottom: 1px solid rgba(253, 252, 250, 0.3);
  padding-bottom: 1px;
  transition: border-color 0.3s ease;
}

.cookie-text a:hover { border-color: var(--white); }

.cookie-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
}

.cookie-decline {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(253, 252, 250, 0.6);
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px 0;
  transition: color 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.cookie-decline:hover { color: var(--white); }

.cookie-accept {
  font-family: "Inter", sans-serif;
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--warm-black);
  background: var(--white);
  border: none;
  padding: 10px 24px;
  border-radius: 999px;
  cursor: pointer;
  transition: opacity 0.3s ease;
  -webkit-tap-highlight-color: transparent;
  touch-action: manipulation;
}

.cookie-accept:hover { opacity: 0.75; }

@media (min-width: 1024px) {
  .cookie-banner {
    flex-direction: row;
    align-items: center;
    padding: 20px 6vw;
    gap: 32px;
  }

  .cookie-text { flex: 1; }

  .cookie-actions { flex-shrink: 0; }
}