/* ===================================================
   絢・波・風 LP — style.css  (v2)
   =================================================== */

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

:root {
  --ivory:     #F9F5EF;
  --cream:     #F3EDE3;
  --deep:      #2A1B3D;
  --plum:      #6B3A7D;
  --gold:      #C49A3C;
  --gold-lt:   #E8C97A;
  --rose:      #D9A0A8;
  --rose-pale: #F2E0E4;
  --ink:       #1C1015;
  --muted:     #6B5E64;
  --f-serif-jp:  'Shippori Mincho', serif;
  --f-serif-lat: 'Cormorant Garamond', serif;
  --f-sans-jp:   'Noto Sans JP', sans-serif;
}

html { scroll-behavior: smooth; }
body {
  background: var(--ivory);
  color: var(--ink);
  font-family: var(--f-serif-jp);
  overflow-x: hidden;
}

/* ── KV Splash ── */
#kv-splash {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: var(--deep);
  display: flex;
  align-items: center;
  justify-content: center;
  animation: kvFadeOut 0.5s ease-in 1.5s forwards;
}
#kv-splash img { max-width: 100%; max-height: 100%; object-fit: contain; }
@keyframes kvFadeOut { to { opacity: 0; visibility: hidden; } }

/* ── Nav ── */
nav {
  position: fixed;
  top: 0; width: 100%; z-index: 100;
  padding: 20px 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(26,14,46,0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(196,154,60,0.18);
}
.nav-logo { font-size: 22px; font-weight: 800; color: rgba(255,255,255,0.92); letter-spacing: 0.15em; }
.nav-logo span { color: var(--gold); font-weight: 400; margin: 0 5px; }
.nav-links { display: flex; gap: 32px; list-style: none; }
.nav-links a {
  font-size: 13px; letter-spacing: 0.18em;
  color: rgba(255,255,255,0.5); text-decoration: none;
  font-family: var(--f-sans-jp); font-weight: 300; transition: color 0.2s;
}
.nav-links a:hover { color: var(--gold-lt); }

/* ── Hero ── */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  background: linear-gradient(165deg, #1A0E2E 0%, #2C1654 40%, #3D2060 70%, #1A0E2E 100%);
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute; inset: 0;
  background:
    radial-gradient(ellipse 60% 80% at 70% 40%, rgba(196,154,60,.08) 0%, transparent 60%),
    radial-gradient(ellipse 40% 60% at 20% 70%, rgba(217,160,168,.06) 0%, transparent 50%);
}
.hero::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 1px;
  background: linear-gradient(90deg, transparent, rgba(196,154,60,.6), transparent);
}

/* グリッドでキャッチコピーと本文を整理 */
.hero-content {
  position: relative; z-index: 2;
  padding: 100px 64px 80px;
  max-width: 1200px; margin: 0 auto; width: 100%;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  gap: 0 48px;
  align-items: start;
}
.hero-eyebrow {
  grid-column: 1; grid-row: 1;
  font-family: var(--f-serif-lat);
  font-size: 15px; letter-spacing: 0.25em;
  color: var(--gold-lt); opacity: 0.85;
  margin-bottom: 40px; font-weight: 300;
}
.hero-catchcopy {
  grid-column: 2; grid-row: 1 / 4;
  align-self: center;
  font-size: clamp(14px, 1.4vw, 18px);
  line-height: 2.2;
  color: rgba(255,255,255,0.65);
  letter-spacing: 0.15em;
  writing-mode: vertical-rl;
  padding-top: 8px;
}
.hero-title {
  grid-column: 1; grid-row: 2;
  display: flex; align-items: baseline;
  gap: 16px; margin-bottom: 40px; flex-wrap: nowrap;
}
.hero-kanji {
  font-size: clamp(64px, 9vw, 160px);
  font-weight: 800; line-height: 1; white-space: nowrap;
  background: linear-gradient(135deg, #E8D5A8 0%, #C49A3C 40%, #F0E4B8 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-dot {
  font-size: clamp(32px, 4vw, 70px);
  color: var(--rose); opacity: 0.7; line-height: 1; flex-shrink: 0;
}
.hero-meta {
  grid-column: 1; grid-row: 3;
  display: flex; align-items: flex-end; gap: 48px;
  padding-top: 40px;
  border-top: 1px solid rgba(196,154,60,.25);
}
.hero-date {
  font-size: clamp(28px, 3.5vw, 64px);
  font-weight: 700; color: #fff;
  letter-spacing: -0.02em; line-height: 1;
}
.hero-date-sub {
  font-size: 18px; color: rgba(255,255,255,0.5);
  letter-spacing: 0.08em; margin-top: 10px; line-height: 1.8;
  font-family: var(--f-sans-jp); font-weight: 300;
}
.hero-venue { text-align: right; }
.hero-venue-name {
  font-size: 20px; font-weight: 600;
  color: rgba(255,255,255,0.9); letter-spacing: 0.1em; margin-bottom: 4px;
}
.hero-venue-sub {
  font-size: 15px; color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em;
  font-family: var(--f-sans-jp); font-weight: 300;
}

/* ── Shared ── */
.lbl {
  font-family: var(--f-serif-lat);
  font-size: 12px; letter-spacing: 0.3em;
  color: var(--gold); text-align: center;
  text-transform: uppercase; margin-bottom: 8px;
}
.lbl-rule {
  width: 40px; height: 1px;
  background: var(--gold);
  margin: 0 auto 16px;
}
.sec-heading {
  font-size: clamp(22px, 2.5vw, 32px);
  font-weight: 700; text-align: center;
  letter-spacing: 0.08em; line-height: 1.5;
  color: var(--deep); margin-bottom: 60px;
}

/* ── Concept ── */
.concept { background: var(--cream); padding: 100px 64px; }
.concept-inner { max-width: 800px; margin: 0 auto; text-align: center; }
.concept-lead {
  font-size: clamp(22px, 2.8vw, 36px);
  font-weight: 600; letter-spacing: 0.12em;
  line-height: 1.9; color: var(--deep);
  margin-bottom: 40px;
  word-break: keep-all; overflow-wrap: break-word;
}
.concept-lead span { color: var(--plum); }
.concept-body {
  font-size: 20px; line-height: 2.4;
  color: var(--muted); letter-spacing: 0.06em;
  word-break: keep-all; overflow-wrap: break-word;
}

/* ── Artist Cards ── */
.artist-card {
  display: grid; grid-template-columns: 1fr 1fr;
  min-height: 560px;
  border-bottom: 1px solid rgba(42,27,61,0.1);
}
.artist-card:last-child { border-bottom: none; }
.artist-card.reverse { direction: rtl; }
.artist-card.reverse > * { direction: ltr; }

.artist-visual {
  position: relative; overflow: hidden;
  background: var(--cream);
  display: flex; align-items: center; justify-content: center;
  min-height: 560px;
}
.artist-artwork {
  width: 100%; height: 100%;
  object-fit: cover;
  position: absolute; inset: 0;
}
.artist-placeholder {
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  width: 100%; height: 100%; position: relative;
}
.artist-kanji-bg {
  position: absolute; font-size: 260px; font-weight: 800;
  opacity: 0.06; color: var(--deep); line-height: 1; user-select: none;
}
.artist-kanji-fg {
  font-size: clamp(80px, 10vw, 130px);
  font-weight: 800; position: relative; z-index: 2; line-height: 1;
}
.kanji-aya  { color: #8B3A8B; }
.kanji-nami { color: #2B5FA8; }
.kanji-kaze { color: #2A5C3F; }

/* 視認性強化：半透明バッジ＋強いシャドウ */
.artist-reading {
  position: absolute; bottom: 28px;
  left: 50%; transform: translateX(-50%);
  font-family: var(--f-serif-lat); font-style: italic;
  font-size: 16px; color: #fff;
  letter-spacing: 0.18em; white-space: nowrap;
  z-index: 3;
  text-shadow: 0 1px 4px rgba(0,0,0,0.9), 0 2px 16px rgba(0,0,0,0.7);
  background: rgba(0,0,0,0.3);
  padding: 5px 18px; border-radius: 20px;
}

.artist-info {
  padding: 64px; display: flex;
  flex-direction: column; justify-content: center;
}
.artist-number {
  font-family: var(--f-serif-lat); font-size: 13px;
  letter-spacing: 0.3em; color: var(--gold); margin-bottom: 12px;
}
.artist-name-en {
  font-family: var(--f-serif-lat);
  font-size: clamp(28px, 3vw, 42px);
  font-weight: 400; font-style: italic;
  color: var(--deep); letter-spacing: 0.04em;
  line-height: 1.2; margin-bottom: 6px;
}
.artist-name-jp {
  font-size: 18px; letter-spacing: 0.2em;
  color: var(--muted); margin-bottom: 28px;
}
.artist-rule { width: 40px; height: 1px; background: var(--gold); margin-bottom: 28px; }
.artist-tag {
  display: inline-block; font-size: 14px;
  letter-spacing: 0.15em; color: var(--plum);
  background: var(--rose-pale); padding: 6px 14px;
  margin-bottom: 20px; font-family: var(--f-sans-jp);
}
.artist-desc {
  font-size: 18px; line-height: 2.2;
  color: var(--muted); letter-spacing: 0.06em; margin-bottom: 24px;
}
.artist-profile {
  font-size: 17px; line-height: 2.0;
  color: rgba(107,94,100,0.75); letter-spacing: 0.05em;
  padding-top: 20px;
  border-top: 1px solid rgba(42,27,61,0.08);
  font-family: var(--f-sans-jp); font-weight: 300;
}
.artist-ig {
  display: inline-flex; align-items: center;
  gap: 12px; margin-top: 22px;
  font-size: 17px; font-family: var(--f-sans-jp);
  font-weight: 300; color: var(--plum);
  text-decoration: none; letter-spacing: 0.06em;
  opacity: 0.85; transition: opacity 0.2s;
}
.artist-ig:hover { opacity: 1; }
.artist-ig img { width: 29px; height: 29px; flex-shrink: 0; }

/* ── Schedule ── */
.schedule { background: var(--deep); padding: 100px 64px; color: #fff; }
.schedule-inner { max-width: 900px; margin: 0 auto; }
.schedule .lbl { color: var(--gold-lt); opacity: 0.7; }
.schedule .lbl-rule { background: var(--gold-lt); opacity: 0.5; }

.schedule-kv {
  margin-top: 32px;
  margin-bottom: 56px;
  border-radius: 4px; overflow: hidden;
  max-height: 280px;
}
.schedule-kv img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: center 40%;
  display: block;
}

.schedule-dates {
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center; gap: 32px; margin-bottom: 60px;
}
.schedule-date { text-align: center; }
.schedule-month {
  font-family: var(--f-serif-lat); font-size: 14px;
  letter-spacing: 0.2em; color: var(--gold-lt);
  opacity: 0.7; margin-bottom: 8px;
}
.schedule-day {
  font-size: clamp(60px, 8vw, 100px);
  font-weight: 700; line-height: 1;
  color: #fff; letter-spacing: -0.02em;
}
.schedule-weekday {
  font-family: var(--f-sans-jp); font-size: 20px;
  color: rgba(255,255,255,0.5); font-weight: 300;
  letter-spacing: 0.1em; margin-top: 8px;
}
.schedule-arrow { font-size: 24px; color: var(--gold); opacity: 0.6; text-align: center; }

.schedule-hours {
  border-top: 1px solid rgba(196,154,60,0.2);
  padding-top: 40px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2px;
}
.schedule-hour { padding: 24px; background: rgba(255,255,255,0.04); text-align: center; }
.schedule-hour-date {
  font-size: 18px; color: rgba(255,255,255,0.45);
  letter-spacing: 0.08em; margin-bottom: 10px;
  font-family: var(--f-sans-jp); font-weight: 300;
}
.schedule-hour-time { font-size: 22px; font-weight: 700; color: #fff; letter-spacing: 0.05em; }
.schedule-hour-note {
  font-size: 17px; color: var(--gold-lt);
  opacity: 0.6; margin-top: 6px;
  font-family: var(--f-sans-jp); font-weight: 300;
}

/* ── Events ── */
.events { background: var(--rose-pale); padding: 100px 64px; }
.events-inner { max-width: 900px; margin: 0 auto; }
.event-cards { display: grid; grid-template-columns: 1fr 1fr; gap: 2px; }
.event-card { background: #fff; padding: 48px 40px; position: relative; overflow: hidden; }
.event-card-type {
  font-family: var(--f-serif-lat); font-size: 12px;
  letter-spacing: 0.3em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 20px;
}
.event-card-title {
  font-size: 22px; font-weight: 700;
  color: var(--deep); letter-spacing: 0.08em;
  margin-bottom: 16px; line-height: 1.6;
}
.event-card-body {
  font-size: 18px; line-height: 2.0;
  color: var(--muted); letter-spacing: 0.05em;
  font-family: var(--f-sans-jp); font-weight: 300; margin-bottom: 24px;
}
.event-tbd {
  display: inline-block; font-size: 15px;
  letter-spacing: 0.15em; color: var(--plum);
  background: var(--rose-pale); padding: 6px 14px;
  font-family: var(--f-sans-jp);
}
.event-card-deco {
  position: absolute; bottom: -20px; right: -10px;
  font-size: 100px; font-weight: 800;
  color: var(--deep); opacity: 0.03; line-height: 1;
}

/* ── Access ── */
.access {
  padding: 100px 64px; max-width: 1200px;
  margin: 0 auto; display: grid;
  grid-template-columns: 1fr 1fr; gap: 80px; align-items: center;
}
.venue-lbl {
  font-family: var(--f-serif-lat); font-size: 12px;
  letter-spacing: 0.3em; color: var(--gold);
  text-transform: uppercase; margin-bottom: 24px;
}
.venue-name {
  font-size: clamp(22px, 2.5vw, 30px);
  font-weight: 700; letter-spacing: 0.1em;
  color: var(--deep); margin-bottom: 4px;
}
.venue-name-en {
  font-family: var(--f-serif-lat); font-style: italic;
  font-size: 18px; color: var(--muted);
  margin-bottom: 32px; letter-spacing: 0.08em;
}
.venue-row {
  display: flex; gap: 12px; margin-bottom: 14px;
  font-size: 18px; line-height: 1.8; color: var(--muted);
}
.venue-key {
  font-family: var(--f-serif-lat); font-size: 11px;
  letter-spacing: 0.15em; color: var(--gold);
  text-transform: uppercase; min-width: 56px; padding-top: 3px;
}
.venue-link {
  display: inline-block; margin-top: 24px;
  font-size: 18px; font-family: var(--f-sans-jp);
  font-weight: 300; color: var(--plum);
  text-decoration: none; border-bottom: 1px solid currentColor;
  padding-bottom: 2px; opacity: 0.8; letter-spacing: 0.06em;
}
.venue-link:hover { opacity: 1; }
.venue-map { background: var(--cream); height: 360px; border: 1px solid rgba(42,27,61,0.1); overflow: hidden; }
.venue-map iframe { width: 100%; height: 100%; border: none; display: block; }

/* ── Footer ── */
footer { background: var(--ink); padding: 80px 64px; }
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-end;
}
.footer-title { font-size: 32px; font-weight: 800; color: rgba(255,255,255,0.85); letter-spacing: 0.1em; margin-bottom: 12px; }
.footer-artists { font-size: 16px; letter-spacing: 0.15em; color: rgba(255,255,255,0.4); font-family: var(--f-sans-jp); font-weight: 300; line-height: 2; }
.footer-right { text-align: right; font-size: 16px; letter-spacing: 0.08em; font-family: var(--f-sans-jp); font-weight: 300; color: rgba(255,255,255,0.4); line-height: 2.2; }

/* ════════════════════════════════
   RESPONSIVE ≤ 900px
   ════════════════════════════════ */
@media (max-width: 900px) {
  nav { padding: 16px 20px; }
  .nav-links { display: none; }

  /* Hero：グリッドをやめて縦積み */
  .hero-content { display: block; padding: 88px 20px 56px; }
  .hero-eyebrow { font-size: 14px; margin-bottom: 24px; }
  .hero-catchcopy { display: none; }
  .hero-title { gap: 6px; margin-bottom: 28px; overflow: hidden; }
  .hero-kanji { font-size: clamp(44px, 14vw, 80px); }
  .hero-dot   { font-size: clamp(22px,  6vw, 38px); }
  .hero-meta { flex-direction: column; align-items: flex-start; gap: 16px; padding-top: 28px; }
  .hero-date { font-size: clamp(28px, 7vw, 48px); }
  .hero-date-sub { font-size: 18px; }
  .hero-venue { text-align: left; }
  .hero-venue-name { font-size: 20px; }
  .hero-venue-sub { font-size: 16px; }

  /* Concept */
  .concept { padding: 64px 20px; }
  .concept-lead { font-size: clamp(22px, 6vw, 30px); line-height: 2.0; }
  .concept-body { font-size: 20px; line-height: 2.2; }

  /* Artist */
  .artist-card { grid-template-columns: 1fr; min-height: auto; }
  .artist-card.reverse { direction: ltr; }
  .artist-visual { min-height: 320px; }
  .artist-info { padding: 36px 20px; }
  .artist-name-jp { font-size: 20px; }
  .artist-tag { font-size: 16px; }
  .artist-desc { font-size: 20px; }
  .artist-profile { font-size: 20px; }
  .artist-ig { font-size: 20px; }

  /* Schedule */
  .schedule { padding: 64px 20px; }
  .schedule-kv { max-height: 200px; }
  .schedule-hours { grid-template-columns: 1fr; }
  .schedule-weekday { font-size: 20px; }
  .schedule-hour-date { font-size: 20px; }
  .schedule-hour-time { font-size: 24px; }
  .schedule-hour-note { font-size: 18px; }

  /* Events */
  .events { padding: 64px 20px; }
  .event-cards { grid-template-columns: 1fr; }
  .event-card { padding: 36px 20px; }
  .event-card-title { font-size: 24px; }
  .event-card-body { font-size: 20px; }
  .event-tbd { font-size: 18px; }

  /* Access */
  .access { grid-template-columns: 1fr; padding: 64px 20px; gap: 40px; }
  .venue-name { font-size: 24px; }
  .venue-name-en { font-size: 20px; }
  .venue-row { font-size: 20px; }
  .venue-link { font-size: 20px; }
  .venue-map { height: 280px; }

  /* Footer */
  footer { padding: 60px 20px; }
  .footer-inner { flex-direction: column; gap: 28px; }
  .footer-right { text-align: left; font-size: 18px; }
  .footer-artists { font-size: 18px; }
}
