/* =========================================================
   NEZ - Teaser Site  (draft markup)
   ========================================================= */

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: "Noto Sans JP", "ヒラギノ角ゴ ProN", "Hiragino Kaku Gothic ProN", "游ゴシック", "Yu Gothic", "Meiryo", sans-serif;
  font-size: 15px;
  line-height: 1.9;
  color: #fff;
  background: #0a0a0a;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: opacity .2s ease; }
a:hover { opacity: .7; }
ul, ol, dl { margin: 0; padding: 0; list-style: none; }
h1,h2,h3,h4,p { margin: 0; }

/* ---- shared ---- */
:root {
  --bg: #0a0a0a;
  --bg-alt: #141414;
  --text: #ffffff;
  --muted: rgba(255,255,255,.7);
  --accent: #00ffff;       /* cyan (spec label) */
  --pink: #ff1493;         /* magenta pink (CTA) */
  --line: rgba(255,255,255,.15);
  --serif: "Noto Serif JP", "游明朝", "Yu Mincho", "Hiragino Mincho ProN", serif;
  --sans-en: "Roboto", "Helvetica Neue", Arial, sans-serif;
  --gutter: clamp(20px, 5vw, 80px);
}
.section-label {
  font-family: var(--sans-en);
  font-size: 14px;
  letter-spacing: .18em;
  padding: 28px var(--gutter) 0;
  font-weight: 500;
}

/* =========================================================
   HEADER
   ========================================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 18px var(--gutter);
  background: transparent;
  transition: background .3s ease;
}
.site-header.scrolled {
  background: rgba(10,10,10,.85);
  backdrop-filter: blur(6px);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
}
.logo { display: flex; align-items: center; gap: 10px; }
.logo-mark {
  width: 32px; height: auto;
  /* SVG is black; invert to white on dark bg */
  filter: invert(1);
}
.logo-text {
  font-family: var(--serif);
  font-size: 26px;
  letter-spacing: .05em;
  color: #fff;
}
.header-nav { display: flex; align-items: center; gap: 20px; }
.ig-link { color: #fff; display: inline-flex; }

.btn-contact {
  display: inline-block;
  background: var(--pink);
  color: #fff;
  font-size: 13px;
  letter-spacing: .05em;
  padding: 10px 22px;
  border-radius: 2px;
}
.btn-contact:hover { opacity: .85; }
.btn-contact-lg { padding: 14px 44px; font-size: 14px; }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  min-height: 100vh;
  color: #fff;
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  padding: 120px var(--gutter) 60px;
}
.hero-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  z-index: 0;
  /* 起動時にゆっくりズームアウトして落ち着く */
  transform: scale(1.08);
  animation: hero-settle 2.8s cubic-bezier(.16,1,.3,1) .3s forwards;
}
@keyframes hero-settle {
  to { transform: scale(1); }
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,.25) 0%, rgba(0,0,0,.55) 100%);
  z-index: 1;
}

/* ── Garage-door reveal ── */
.leaf {
  position: absolute;
  top: 0; bottom: 0;
  width: 50.5%;
  background: #0a0a0a;
  z-index: 5;
  transform-origin: left center;
  will-change: transform;
}
.leaf-l {
  left: 0;
  animation: leaf-open-l 1.5s cubic-bezier(.76,0,.24,1) .2s forwards;
}
.leaf-r {
  right: 0;
  transform-origin: right center;
  animation: leaf-open-r 1.5s cubic-bezier(.76,0,.24,1) .2s forwards;
}
.leaf::after {
  content: '';
  position: absolute;
  top: 0; bottom: 0;
  width: 1px;
  background: rgba(255,255,255,.15);
}
.leaf-l::after { right: 0; }
.leaf-r::after { left: 0; }
@keyframes leaf-open-l { to { transform: translateX(-101%); } }
@keyframes leaf-open-r { to { transform: translateX(101%); } }
.hero-location {
  position: absolute;
  left: 40px;
  top: 50%;
  writing-mode: horizontal-tb;
  font-family: var(--sans-en);
  letter-spacing: .25em;
  font-size: 14px;
  color: #fff;
  z-index: 3;
  white-space: nowrap;
  margin: 0;
  pointer-events: none;
  opacity: 0;
  transform: translateY(50%) rotate(-90deg);
  transform-origin: left top;
  animation: hero-location-in 1.2s cubic-bezier(.16,1,.3,1) 1.6s forwards;
}
@keyframes hero-location-in {
  to { opacity: 1; }
}
.hero-inner {
  position: relative; z-index: 2;
  text-align: center;
  max-width: 900px;
  opacity: 0;
  transform: translateY(24px);
  animation: hero-rise 1.2s cubic-bezier(.16,1,.3,1) 1.3s forwards;
}
@keyframes hero-rise {
  to { opacity: 1; transform: none; }
}
.hero-mark { width: 60px; margin: 0 auto 20px; opacity: .95; filter: invert(1); }
.hero-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(40px, 6vw, 78px);
  letter-spacing: .04em;
  line-height: 1.2;
}
.hero-sub {
  font-family: var(--serif);
  font-weight: 400;
  font-size: clamp(18px, 2.3vw, 30px);
  margin-top: 10px;
  letter-spacing: .04em;
}
.hero-lead {
  margin-top: 34px;
  font-size: 14px;
  line-height: 2.2;
  letter-spacing: .08em;
}
.scroll-indicator {
  display: block;
  width: 1px;
  height: 60px;
  margin: 60px auto 0;
  background: rgba(255,255,255,.4);
  position: relative;
  overflow: hidden;
}
.scroll-indicator span {
  position: absolute; top: 0; left: 0;
  width: 100%; height: 40%;
  background: #fff;
  animation: scroll-down 2s ease-in-out infinite;
}
@keyframes scroll-down {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(250%); }
}

/* =========================================================
   CONCEPT
   ========================================================= */
.concept {
  position: relative;
  padding-bottom: 60px;
  background:
    linear-gradient(180deg, rgba(10,10,10,.85), rgba(10,10,10,.7)),
    url('../images/concept-bg.jpg') center/cover fixed no-repeat;
}
.concept-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 40px var(--gutter) 60px;
  max-width: 1440px;
  margin: 0 auto;
}
.concept-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.5vw, 32px);
  line-height: 1.6;
  letter-spacing: .04em;
  margin-bottom: 32px;
}
.concept-body p {
  font-size: 13.5px;
  line-height: 2.15;
  letter-spacing: .04em;
  margin-bottom: 1.4em;
  color: rgba(255,255,255,.9);
}
.concept-image img {
  width: 100%;
  object-fit: cover;
  aspect-ratio: 4 / 3;
}

/* ── Slideshow ── */
.slideshow {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 3;
  overflow: hidden;
}
.slideshow .slides {
  position: absolute;
  inset: 0;
  list-style: none;
  padding: 0;
  margin: 0;
}
.slideshow .slide {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity 1.2s ease-in-out;
  z-index: 1;
}
.slideshow .slide.is-active {
  opacity: 1;
  z-index: 2;
}
.slideshow .slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.slideshow-dots {
  position: absolute;
  left: 0; right: 0; bottom: 14px;
  display: flex;
  justify-content: center;
  gap: 8px;
  z-index: 5;
}
.slideshow-dots button {
  width: 24px;
  height: 2px;
  background: rgba(255,255,255,.4);
  border: 0;
  padding: 0;
  cursor: pointer;
  transition: background .25s ease, width .25s ease;
}
.slideshow-dots button.is-active {
  background: #fff;
  width: 36px;
}
.slideshow-dots button:hover { background: rgba(255,255,255,.75); }

/* SPEC */
.spec-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
  padding: 0 var(--gutter);
  background: #1a2a2f;
  max-width: 1440px;
  margin: 0 auto;
}
.spec-item {
  /* パディングを item 側に持たせることで、
     境界線を strip の上下いっぱいまで到達させる */
  padding: 32px 12px;
  border-right: 1px solid var(--line);
  align-self: stretch;
}
.spec-item:last-child { border-right: 0; }
.spec-label {
  color: var(--accent);
  font-family: var(--sans-en);
  font-size: 13px;
  letter-spacing: .15em;
  margin-bottom: 8px;
  font-weight: 500;
}
.spec-value {
  font-family: var(--serif);
  font-size: clamp(20px, 2vw, 26px);
  letter-spacing: .02em;
  margin-bottom: 8px;
}
.spec-unit { font-size: 13px; letter-spacing: .05em; margin-left: 4px; }
.spec-note {
  font-size: 12px;
  line-height: 1.7;
  color: rgba(255,255,255,.75);
}

/* =========================================================
   EVENT
   ========================================================= */
.event {
  background: #0a0a0a;
  padding-bottom: 80px;
}
.event-inner {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 60px;
  padding: 40px var(--gutter) 40px;
  max-width: 1440px;
  margin: 0 auto;
}
.event-poster img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
}
.event-head {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 20px;
  margin-bottom: 20px;
}
.event-title {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(24px, 2.4vw, 32px);
  letter-spacing: .04em;
}
.event-date {
  font-size: 18px;
  margin-top: 6px;
  letter-spacing: .04em;
}
.event-ig { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; }
.event-lead {
  font-size: 13.5px;
  line-height: 2;
  letter-spacing: .04em;
  color: rgba(255,255,255,.9);
  margin-bottom: 24px;
}
.event-sub {
  color: var(--accent);
  font-family: var(--sans-en);
  font-size: 15px;
  letter-spacing: .1em;
  font-weight: 500;
  margin-top: 20px;
}
.event-desc {
  font-size: 13.5px;
  line-height: 2;
  letter-spacing: .04em;
  color: rgba(255,255,255,.9);
  margin-top: 8px;
}

/* =========================================================
   ACCESS
   ========================================================= */
.access {
  background: #1a2a2f;
  padding-bottom: 60px;
}
.access-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  padding: 40px var(--gutter);
  max-width: 1440px;
  margin: 0 auto;
}
.access-heading {
  font-family: var(--serif);
  font-weight: 500;
  font-size: clamp(22px, 2.4vw, 30px);
  line-height: 1.7;
  letter-spacing: .04em;
  margin-bottom: 40px;
}
.access-list { border-top: 1px solid var(--line); }
.access-row {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
}
.access-row dt {
  color: var(--accent);
  font-family: var(--sans-en);
  font-size: 13px;
  letter-spacing: .15em;
  font-weight: 500;
}
.access-row dd {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.9;
  letter-spacing: .04em;
}
.access-map {
  min-height: 340px;
  position: relative;
}
.access-map iframe {
  width: 100%;
  height: 100%;
  min-height: 340px;
  display: block;
  border: 0;
  filter: grayscale(0.2) contrast(0.95);
}
.access-cta { text-align: center; padding: 20px var(--gutter) 0; }

/* =========================================================
   FOOTER
   ========================================================= */
.site-footer {
  background: #0a0a0a;
  padding: 60px var(--gutter) 24px;
}
.footer-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  max-width: 1440px;
  margin: 0 auto;
}
.footer-brand { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.footer-tag { font-size: 12px; color: rgba(255,255,255,.7); letter-spacing: .04em; }
.footer-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-col h4 {
  font-family: var(--sans-en);
  font-size: 14px;
  letter-spacing: .18em;
  font-weight: 500;
  margin-bottom: 24px;
}
.footer-col a { font-size: 13px; letter-spacing: .05em; }
.footer-bottom {
  max-width: 1440px;
  margin: 40px auto 0;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  display: flex; justify-content: space-between; align-items: center;
  font-size: 11px;
  color: rgba(255,255,255,.6);
  letter-spacing: .05em;
}

/* =========================================================
   REDUCED MOTION
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  .hero-bg,
  .hero-inner,
  .hero-location,
  .leaf-l,
  .leaf-r,
  .scroll-indicator span {
    animation: none !important;
    transform: none !important;
    opacity: 1 !important;
  }
  .leaf-l, .leaf-r { display: none; }
  .hero-location { transform: translateY(50%) rotate(-90deg) !important; }
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 960px) {
  .concept-inner,
  .event-inner,
  .access-inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .spec-list { grid-template-columns: repeat(2, 1fr); }
  .spec-item { border-right: 0; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .spec-item:nth-last-child(-n+1) { border-bottom: 0; }
  .footer-inner { grid-template-columns: 1fr; }
  .hero-location { display: none; }
}

@media (max-width: 600px) {
  :root { --gutter: 20px; }
  body { font-size: 14px; }
  .site-header { padding: 14px var(--gutter); }
  .logo-mark { width: 26px; }
  .logo-text { font-size: 22px; }
  .btn-contact { padding: 8px 16px; font-size: 12px; }
  .hero { padding: 100px var(--gutter) 60px; }
  .hero-mark { width: 46px; }
  .hero-lead { line-height: 2; }
  .section-label { padding-top: 24px; font-size: 12px; }
  .concept-inner,
  .event-inner,
  .access-inner { padding: 24px var(--gutter) 32px; }
  .spec-list { grid-template-columns: 1fr; padding: 20px; }
  .spec-item { border-right: 0; border-bottom: 1px solid var(--line); padding: 12px 0; }
  .spec-item:last-child { border-bottom: 0; }
  .event-head { flex-direction: column; align-items: flex-start; }
  .access-row { grid-template-columns: 1fr; gap: 6px; }
  .footer-cols { grid-template-columns: 1fr 1fr; gap: 20px; }
  .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
  .btn-contact-lg { padding: 12px 32px; font-size: 13px; }
}