/* ============================================
   RED DRAGON UMEDA — Teaser Site
   ============================================ */
:root {
  --blue: #0a46dc;
  --blue-deep: #062b8a;
  --cyan: #00c9ff;
  --neon-grad: linear-gradient(135deg, var(--cyan) 0%, var(--blue) 60%, var(--blue-deep) 100%);
  --blue-pale: #eef3ff;
  --ink: #10182b;
  --gray: #6b7385;
  --line: #dfe5f2;
  --white: #ffffff;
  --font-en: 'Cinzel', serif;
  --font-ja: 'Noto Sans JP', sans-serif;
  --font-serif-ja: 'Noto Serif JP', serif;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-ja);
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }

/* ===== Header ===== */
.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  transition: background .35s, box-shadow .35s, padding .35s;
}
.header.is-scrolled {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 var(--line);
  padding: 12px 28px;
}
.header__brand {
  display: flex;
  align-items: center;
  gap: 12px;
}
.header__mark { width: 40px; }
.header__name {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .12em;
  color: var(--blue-deep);
}
.header__name small {
  display: block;
  font-size: 9px;
  letter-spacing: .5em;
  color: var(--blue);
  font-weight: 400;
}
.header__nav {
  display: flex;
  align-items: center;
  gap: 30px;
}
.header__nav a {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .22em;
  color: var(--ink);
  position: relative;
  transition: color .25s;
}
.header__nav a:hover { color: var(--blue); }
.header__nav a:not(.header__x)::after {
  content: "";
  position: absolute;
  left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform .3s;
}
.header__nav a:not(.header__x):hover::after {
  transform: scaleX(1);
  transform-origin: left;
}
.header__x {
  display: grid;
  place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--line);
  border-radius: 50%;
  background: var(--white);
}
.header__x:hover { border-color: var(--blue); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100svh;
  display: grid;
  place-items: center;
  padding: 110px 24px calc(180px + env(safe-area-inset-bottom));
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 70% 55% at 50% -10%, rgba(10, 70, 220, .10), transparent 65%),
    radial-gradient(ellipse 55% 45% at 88% 100%, rgba(10, 70, 220, .07), transparent 60%),
    linear-gradient(180deg, #ffffff 0%, #fbfcff 100%);
}
/* 電光グリッド */
.hero::before {
  content: "";
  position: absolute;
  inset: -2px;
  background-image:
    linear-gradient(rgba(0, 180, 255, .06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 180, 255, .06) 1px, transparent 1px);
  background-size: 46px 46px;
  -webkit-mask: radial-gradient(ellipse 78% 62% at 50% 42%, #000 22%, transparent 72%);
  mask: radial-gradient(ellipse 78% 62% at 50% 42%, #000 22%, transparent 72%);
  animation: gridDrift 14s linear infinite;
  pointer-events: none;
  z-index: 1;
}
/* スキャンライン */
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  height: 42%;
  top: -42%;
  background: linear-gradient(180deg, transparent, rgba(0, 205, 255, .11), transparent);
  animation: heroScan 7s ease-in-out 1.4s infinite;
  pointer-events: none;
  z-index: 1;
}
@keyframes gridDrift { to { background-position: 46px 46px; } }
@keyframes heroScan {
  0% { top: -42%; opacity: 0; }
  12% { opacity: 1; }
  88% { opacity: 1; }
  100% { top: 118%; opacity: 0; }
}
.hero__watermark {
  position: absolute;
  right: -12%;
  bottom: -8%;
  width: min(62vw, 780px);
  opacity: .045;
  animation: floaty 9s ease-in-out infinite;
  pointer-events: none;
}
@keyframes floaty {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-22px) rotate(-1.2deg); }
}
.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 760px;
}
.hero__logo {
  width: min(340px, 68vw);
  margin: 0 auto 40px;
  animation: heroIn 1.2s .1s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__coming {
  font-family: var(--font-en);
  font-size: clamp(26px, 5.4vw, 46px);
  font-weight: 600;
  letter-spacing: .34em;
  text-indent: .34em;
  background: linear-gradient(90deg, var(--blue-deep) 10%, var(--blue) 50%, var(--cyan) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: heroIn 1.2s .3s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__line {
  width: 72px;
  height: 2px;
  margin: 26px auto;
  background: linear-gradient(90deg, transparent, var(--cyan), var(--blue), transparent);
  box-shadow: 0 0 14px rgba(0, 190, 255, .8);
  animation: heroIn 1.2s .45s both, linePulse 2.4s ease-in-out 1.5s infinite;
}
@keyframes linePulse {
  0%, 100% { box-shadow: 0 0 10px rgba(0, 190, 255, .55); opacity: .7; }
  50% { box-shadow: 0 0 26px rgba(0, 225, 255, 1), 0 0 48px rgba(0, 180, 255, .6); opacity: 1; }
}
.hero__title {
  font-family: var(--font-serif-ja);
  font-size: clamp(19px, 3.4vw, 27px);
  font-weight: 600;
  letter-spacing: .14em;
  color: var(--blue-deep);
  animation: heroIn 1.2s .5s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__title span { margin-left: .35em; }
.hero__cat {
  margin-top: 14px;
  font-size: clamp(12px, 2.2vw, 14.5px);
  letter-spacing: .18em;
  color: var(--cyan);
  animation: heroIn 1.2s .55s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__open {
  margin-top: 8px;
  font-family: var(--font-serif-ja);
  font-size: clamp(15px, 2.6vw, 19px);
  letter-spacing: .22em;
  color: var(--ink);
  animation: heroIn 1.2s .6s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__tags {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 30px;
  animation: heroIn 1.2s .72s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__note {
  max-width: 466px;
  margin: 26px auto 2px;
  padding: 13px 20px 15px;
  text-align: left;
  border: 1px solid rgba(120, 180, 255, .28);
  border-radius: 10px;
  background: rgba(10, 20, 45, .5);
  -webkit-backdrop-filter: blur(4px);
  backdrop-filter: blur(4px);
  animation: heroIn 1.2s .8s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__note-ttl {
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--cyan);
  margin-bottom: 8px;
}
.hero__note-warn {
  font-size: 12.5px;
  line-height: 1.75;
  color: #dfe7f5;
}
.hero__note-warn b { color: #ff6b78; font-weight: 700; }
.hero__note-warn .lbl {
  display: inline-block;
  font-weight: 700;
  color: #fff;
  background: #ff5d6c;
  padding: 1px 8px;
  border-radius: 4px;
  margin-right: 4px;
  font-size: 11.5px;
}
.hero__note-normal {
  font-size: 12px;
  line-height: 1.75;
  color: var(--gray);
  margin-top: 5px;
}
.hero__note-normal .lbl2 {
  display: inline-block;
  font-weight: 700;
  color: #cfe0ff;
  border: 1px solid rgba(120, 180, 255, .5);
  padding: 0 8px;
  border-radius: 4px;
  margin-right: 4px;
  font-size: 11px;
}
.tag {
  position: relative;
  z-index: 0;
  font-size: 12.5px;
  font-weight: 500;
  letter-spacing: .14em;
  color: var(--blue-deep);
  padding: 8px 22px;
}
.tag::before {
  content: "";
  position: absolute;
  inset: 0;
  transform: skewX(-16deg);
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  border: 1px solid transparent;
  box-shadow: 0 4px 14px rgba(0, 160, 255, .16);
  z-index: -1;
}
.hero__actions {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 38px;
  animation: heroIn 1.2s .85s cubic-bezier(.2, .7, .2, 1) both;
}
@keyframes heroIn {
  from { opacity: 0; transform: translateY(26px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero__scroll {
  position: absolute;
  left: 50%;
  bottom: calc(96px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  font-family: var(--font-en);
  font-size: 10px;
  letter-spacing: .4em;
  color: var(--gray);
  padding-bottom: 46px;
}
.hero__scroll::after {
  content: "";
  position: absolute;
  left: 50%; bottom: 0;
  width: 1px; height: 38px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 0 8px rgba(0, 190, 255, .8);
  animation: scrollLine 2s ease-in-out infinite;
}
@keyframes scrollLine {
  0% { transform: scaleY(0); transform-origin: top; }
  45% { transform: scaleY(1); transform-origin: top; }
  55% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}
/* 画面が低くヒーロー内が窮屈な端末ではSCROLLを非表示にして重なりを防ぐ */
@media (max-height: 760px) {
  .hero__scroll { display: none; }
}

/* ===== Buttons ===== */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: min(320px, 86vw);
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .12em;
  padding: 16px 12px;
  overflow: hidden;
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  transition: transform .25s, filter .25s, background .25s, color .25s;
}
.btn--primary {
  color: #fff;
  background: linear-gradient(120deg, var(--cyan) -20%, var(--blue) 45%, var(--blue-deep) 110%);
  filter: drop-shadow(0 8px 22px rgba(0, 140, 255, .45));
}
.btn--primary::after {
  content: "";
  position: absolute;
  top: 0;
  left: -70%;
  width: 45%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-20deg);
  animation: shine 3.2s ease-in-out infinite;
}
@keyframes shine {
  0% { left: -70%; }
  55%, 100% { left: 130%; }
}
.btn--primary:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 12px 28px rgba(0, 160, 255, .65));
}
.btn--ghost {
  color: var(--blue-deep);
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  border: 1.5px solid transparent;
  filter: drop-shadow(0 4px 14px rgba(0, 140, 255, .18));
}
.btn--ghost:hover {
  transform: translateY(-2px);
  filter: drop-shadow(0 8px 20px rgba(0, 160, 255, .35));
}
.btn--lg { width: min(340px, 86vw); padding: 18px 12px; font-size: 15px; }

/* ===== Marquee ===== */
.marquee {
  overflow: hidden;
  background: linear-gradient(90deg, var(--blue-deep) 0%, var(--blue) 55%, var(--blue-deep) 100%);
  border-top: 1px solid rgba(0, 200, 255, .55);
  border-bottom: 1px solid rgba(0, 200, 255, .55);
  box-shadow: 0 0 26px rgba(0, 150, 255, .25);
  padding: 14px 0;
}
.marquee__track {
  display: flex;
  width: max-content;
  animation: marquee 26s linear infinite;
}
.marquee__track span {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .3em;
  color: rgba(255, 255, 255, .92);
  text-shadow: 0 0 14px rgba(0, 220, 255, .65);
  white-space: nowrap;
}
@keyframes marquee {
  to { transform: translateX(-50%); }
}

/* ===== Sections ===== */
.section {
  padding: 110px 24px;
  max-width: 1080px;
  margin: 0 auto;
}
.section--tint {
  max-width: none;
  background: linear-gradient(180deg, #f7f9ff 0%, #eef3ff 100%);
}
.section--tint > * { max-width: 1080px; margin-left: auto; margin-right: auto; }

.section__head { text-align: center; margin-bottom: 64px; }
.section__en {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .42em;
  text-indent: .42em;
  color: var(--blue);
}
.section__ja {
  font-family: var(--font-serif-ja);
  font-size: clamp(24px, 4vw, 32px);
  font-weight: 600;
  letter-spacing: .1em;
  margin-top: 10px;
}
.section__lead {
  margin-top: 18px;
  font-size: 14.5px;
  color: var(--gray);
  letter-spacing: .06em;
}

/* ===== Info cards ===== */
.info-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.info-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 40px 28px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.info-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(16, 24, 43, .08);
}
.info-card__label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .38em;
  text-indent: .38em;
  color: var(--blue);
}
.info-card__main {
  font-family: var(--font-serif-ja);
  font-size: 28px;
  font-weight: 600;
  letter-spacing: .08em;
  margin-top: 14px;
}
.info-card__sub {
  font-size: 13.5px;
  color: var(--gray);
  margin-top: 6px;
  letter-spacing: .06em;
}

/* ===== Countdown ===== */
.countdown {
  position: relative;
  overflow: hidden;
  text-align: center;
  padding: 82px 20px 88px;
  background:
    radial-gradient(ellipse 65% 85% at 50% 0%, rgba(0, 120, 255, .16), transparent 70%),
    linear-gradient(180deg, #070b18 0%, #05070f 100%);
}
.countdown__glow {
  position: absolute;
  left: 50%; top: 42%;
  transform: translate(-50%, -50%);
  width: 560px; height: 560px; max-width: 130%;
  background: radial-gradient(circle, rgba(0, 170, 255, .18), transparent 65%);
  pointer-events: none;
  animation: cdGlow 4s ease-in-out infinite;
}
@keyframes cdGlow { 0%, 100% { opacity: .55; } 50% { opacity: 1; } }
.countdown__inner { position: relative; z-index: 1; max-width: 820px; margin: 0 auto; }
.countdown__label {
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .42em;
  text-indent: .42em;
  color: var(--cyan);
  text-shadow: 0 0 14px rgba(0, 200, 255, .5);
}
.countdown__date {
  font-family: var(--font-serif-ja);
  font-size: clamp(24px, 5vw, 38px);
  font-weight: 600;
  letter-spacing: .06em;
  margin-top: 12px;
  background: linear-gradient(90deg, #eef3ff, #7fb6ff 55%, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.countdown__date span {
  font-size: .58em;
  margin: 0 .12em;
  -webkit-text-fill-color: #8fa5cc;
  color: #8fa5cc;
}
.countdown__timer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(4px, 1.6vw, 16px);
  margin-top: 36px;
}
.cd-unit {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  min-width: clamp(58px, 18vw, 122px);
  padding: 18px 6px 13px;
  background:
    linear-gradient(#0b1226, #0a1020) padding-box,
    linear-gradient(135deg, rgba(0, 210, 255, .8), rgba(10, 70, 220, .7)) border-box;
  border: 1.5px solid transparent;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, .5), 0 0 24px rgba(0, 140, 255, .2);
}
.cd-num {
  font-family: var(--font-en);
  font-size: clamp(30px, 8vw, 60px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #ffffff, #7fb6ff);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 12px rgba(0, 180, 255, .5));
}
.cd-lbl {
  font-family: var(--font-en);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: .18em;
  color: #8fa5cc;
}
.cd-sep {
  align-self: center;
  margin-bottom: 20px;
  font-family: var(--font-en);
  font-size: clamp(22px, 6vw, 44px);
  font-weight: 700;
  color: var(--cyan);
  text-shadow: 0 0 12px rgba(0, 200, 255, .8);
  animation: cdBlink 1s steps(1) infinite;
}
@keyframes cdBlink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: .25; } }
.countdown__open {
  display: none;
  font-family: var(--font-serif-ja);
  font-size: clamp(26px, 6.5vw, 44px);
  font-weight: 600;
  letter-spacing: .08em;
  margin-top: 22px;
  background: linear-gradient(90deg, #eef3ff, var(--cyan));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 20px rgba(0, 190, 255, .5));
}
#countdown.is-open .countdown__timer { display: none; }
#countdown.is-open .countdown__open { display: block; }

/* ヒーロー内カウントダウン（COMING SOON の位置） */
.hero__cd {
  margin: 2px auto 4px;
  animation: heroIn 1.2s .3s cubic-bezier(.2, .7, .2, 1) both;
}
.hero__cd .countdown__date { margin-top: 8px; }
.hero__cd .countdown__timer { margin-top: 22px; }
.hero__cd .cd-unit {
  min-width: clamp(56px, 17vw, 104px);
  padding: 15px 6px 11px;
}
.hero__cd .cd-num { font-size: clamp(28px, 7.5vw, 52px); }
.hero__cd .countdown__open { margin-top: 14px; }
.countdown__note {
  margin-top: 26px;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--gray);
}

/* ===== Event posters (A4) ===== */
.play-loading {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--gray);
  font-size: 13px;
  letter-spacing: .08em;
  padding: 34px 0;
}
.event-grid {
  display: grid;
  grid-template-columns: 1fr; /* スマホ: 1カラム */
  gap: 18px;
  max-width: 420px;
  margin-left: auto;
  margin-right: auto;
}
@media (min-width: 700px) {
  /* PC: 幅に応じた自然なカラム数 */
  .event-grid {
    grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
    gap: 24px;
    max-width: none;
  }
}
.event-poster {
  display: block;
  position: relative;
  aspect-ratio: 210 / 297; /* A4 枠に統一 */
  border-radius: 14px;
  overflow: hidden;
  border: 1.5px solid transparent;
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, rgba(0, 210, 255, .9), rgba(10, 70, 220, .85) 60%, rgba(0, 180, 255, .5)) border-box;
  box-shadow: 0 10px 28px rgba(0, 0, 0, .5), 0 0 22px rgba(0, 150, 255, .18);
  transition: transform .35s, box-shadow .35s;
}
/* 余白を同じ画像のぼかしで埋める（比率が違ってもトリミングしない） */
.event-poster::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: var(--poster);
  background-size: cover;
  background-position: center;
  filter: blur(24px) brightness(.4) saturate(1.1);
  transform: scale(1.2);
}
.event-poster img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain; /* 画像全体を切らずに表示 */
  z-index: 1;
}
/* 内側の細いネオンマット */
.event-poster::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 14px;
  box-shadow: inset 0 0 0 1px rgba(0, 220, 255, .28), inset 0 0 26px rgba(0, 70, 170, .38);
  pointer-events: none;
  z-index: 2;
}
/* コーナーブラケット装飾 */
.event-poster__frame {
  position: absolute;
  inset: 11px;
  z-index: 3;
  pointer-events: none;
  --c: rgba(140, 232, 255, .95);
  --l: 22px;
  --t: 2px;
  background:
    linear-gradient(var(--c), var(--c)) 0 0 / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) 0 0 / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) 100% 0 / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) 100% 0 / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) 0 100% / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) 0 100% / var(--t) var(--l) no-repeat,
    linear-gradient(var(--c), var(--c)) 100% 100% / var(--l) var(--t) no-repeat,
    linear-gradient(var(--c), var(--c)) 100% 100% / var(--t) var(--l) no-repeat;
  filter: drop-shadow(0 0 5px rgba(0, 190, 255, .85));
}
/* ホバー時の光の走査（シーン） */
.event-poster__frame::after {
  content: "";
  position: absolute;
  inset: -11px;
  background: linear-gradient(105deg, transparent 43%, rgba(255, 255, 255, .28) 50%, transparent 57%);
  transform: translateX(-130%);
  transition: transform 1s cubic-bezier(.2, .7, .2, 1);
}
.event-poster:hover {
  transform: translateY(-6px);
  box-shadow: 0 18px 42px rgba(0, 0, 0, .6), 0 0 40px rgba(0, 190, 255, .55);
}
.event-poster:hover .event-poster__frame::after { transform: translateX(130%); }

/* ===== System cards ===== */
.system-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.system-card {
  position: relative;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 44px 30px 38px;
  text-align: center;
  overflow: hidden;
  transition: transform .3s, box-shadow .3s;
}
.system-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(16, 24, 43, .08);
}
.system-card--main {
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  border: 2px solid transparent;
  box-shadow: 0 12px 36px rgba(10, 70, 220, .14), 0 0 26px rgba(0, 190, 255, .22);
}
.system-card__num {
  position: absolute;
  top: -14px;
  right: 6px;
  font-family: var(--font-en);
  font-size: 88px;
  font-weight: 700;
  color: var(--blue);
  opacity: .07;
  line-height: 1;
  pointer-events: none;
}
.system-card__name {
  font-family: var(--font-serif-ja);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: .2em;
  color: var(--blue-deep);
}
.system-card__time {
  font-family: var(--font-en);
  font-size: 21px;
  font-weight: 600;
  letter-spacing: .06em;
  margin-top: 16px;
}
.system-card__time span {
  color: var(--gray);
  font-size: 15px;
  margin: 0 4px;
}
.system-card__desc {
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--ink);
  margin-top: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
}
.system-card__price {
  margin-top: 20px;
  color: var(--blue);
  font-weight: 500;
}
.system-card__price strong {
  font-family: var(--font-en);
  font-size: 38px;
  font-weight: 700;
  letter-spacing: .02em;
}
.system-card__price span {
  font-size: 14px;
  margin-left: 4px;
}
.system-card__note {
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
  font-size: 12px;
  line-height: 1.75;
  letter-spacing: .01em;
  color: var(--gray);
}
.system-card__note--warn {
  color: #ffb9be;
  font-weight: 500;
}
.system-card__note--warn strong {
  color: #ff5d6c;
  font-weight: 700;
}
/* 2部「遊び方の流れ」ステップ */
.sys-flow {
  max-width: 300px;
  margin: 22px auto 4px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  text-align: left;
}
.sys-flow__ttl {
  text-align: center;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .2em;
  color: var(--cyan);
  margin-bottom: 16px;
}
.sys-flow ol {
  list-style: none;
  position: relative;
}
.sys-flow li {
  position: relative;
  display: flex;
  gap: 13px;
  align-items: flex-start;
  padding-bottom: 16px;
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--ink);
}
.sys-flow li:last-child { padding-bottom: 0; }
/* ステップをつなぐ縦ライン */
.sys-flow li:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 24px;
  bottom: 0;
  width: 2px;
  background: linear-gradient(180deg, rgba(0, 190, 255, .5), rgba(0, 190, 255, .12));
}
.sys-flow__num {
  position: relative;
  z-index: 1;
  flex: none;
  display: grid;
  place-items: center;
  width: 25px;
  height: 25px;
  border-radius: 50%;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(0, 150, 255, .45);
}
.sys-flow li span:last-child { padding-top: 3px; }

/* ===== Price cards ===== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}
.price-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 42px 28px;
  text-align: center;
  transition: transform .3s, box-shadow .3s;
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(16, 24, 43, .08);
}
.price-card--accent {
  background: linear-gradient(150deg, #00a9f0 -15%, var(--blue) 50%, var(--blue-deep) 115%);
  border: none;
  color: #fff;
  box-shadow: 0 14px 38px rgba(0, 140, 255, .35);
}
.price-card--accent .price-card__label { color: rgba(255, 255, 255, .75); }
.price-card--accent .price-card__sub { color: rgba(255, 255, 255, .75); }
.price-card__label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .38em;
  text-indent: .38em;
  color: var(--blue);
}
.price-card__main {
  font-size: 19px;
  font-weight: 500;
  letter-spacing: .08em;
  margin-top: 16px;
}
.price-card__main strong {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 700;
  margin: 0 4px;
}
.price-card__sub {
  font-size: 13px;
  color: var(--gray);
  margin-top: 8px;
  letter-spacing: .05em;
  line-height: 1.8;
}
.price-card__hl {
  display: inline-block;
  margin-top: 6px;
  padding: 3px 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .04em;
  color: #66c6ff;
  background: rgba(0, 140, 255, .12);
  border: 1px solid rgba(0, 180, 255, .4);
  border-radius: 4px;
}

/* ===== Entry ===== */
.entry-box {
  max-width: 680px;
  margin: 0 auto;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 48px 44px 36px;
}
.entry-list { list-style: none; }
.entry-list li {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
}
.entry-list li + li { border-top: 1px dashed var(--line); }
.entry-list__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--blue-pale);
  color: var(--blue-deep);
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
}
.entry-list__title {
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .06em;
}
.entry-list__note {
  font-size: 13.5px;
  color: var(--gray);
  margin-top: 4px;
  letter-spacing: .04em;
}
.entry-box__caption {
  margin-top: 18px;
  font-size: 12.5px;
  color: var(--gray);
  text-align: center;
  letter-spacing: .06em;
  line-height: 1.9;
}
.entry-box__caption b {
  color: #66c6ff;
  font-weight: 700;
}
.entry-notice {
  margin-bottom: 26px;
  padding: 15px 20px;
  border-radius: 12px;
  text-align: center;
  font-size: 14px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: #e6edfb;
  background: rgba(0, 140, 255, .1);
  border: 1px solid rgba(0, 180, 255, .34);
}
.entry-notice b {
  color: #66c6ff;
  font-weight: 700;
}
.smoke-rules {
  display: flex;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 8px;
}
.rule {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  letter-spacing: .04em;
  padding: 11px 20px;
  clip-path: polygon(9px 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%, 0 9px);
}
.rule b { font-family: var(--font-en); font-weight: 700; font-size: 14px; }
.rule__mark {
  display: grid;
  place-items: center;
  width: 20px; height: 20px;
  font-size: 12px;
  font-weight: 700;
  color: #fff;
}
.rule--ok {
  color: #b9f0d6;
  background: rgba(30, 200, 140, .1);
  border: 1.5px solid rgba(50, 220, 160, .5);
}
.rule--ok b { color: #3ddc97; }
.rule--ok .rule__mark { background: #2fc98a; }
.rule--ng {
  color: #ffc4c9;
  background: rgba(255, 70, 90, .1);
  border: 1.5px solid rgba(255, 93, 108, .5);
}
.rule--ng b { color: #ff5d6c; }
.rule--ng .rule__mark { background: #ff5d6c; }

/* ===== Rules（ご利用規約） ===== */
.rules-box {
  max-width: 900px;
  margin: 0 auto;
}
.rules-box .smoke-rules {
  margin: 0 auto 30px;
}
.rules-list {
  list-style: none;
  counter-reset: rule;
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  text-align: left;
}
.rules-list li {
  counter-increment: rule;
  position: relative;
  display: flex;
  gap: 14px;
  align-items: flex-start;
  padding: 16px 18px 16px 17px;
  font-size: 13.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--ink);
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, rgba(0, 200, 255, .35), rgba(10, 70, 220, .28)) border-box;
  border: 1px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  transition: transform .25s, box-shadow .25s, filter .25s;
}
.rules-list li::before {
  content: counter(rule, decimal-leading-zero);
  flex: none;
  min-width: 24px;
  padding-top: 1px;
  font-family: var(--font-en);
  font-size: 14px;
  font-weight: 700;
  color: #63c6ff;
  text-shadow: 0 0 10px rgba(0, 190, 255, .55);
}
.rules-list li::after {
  content: "";
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--cyan), var(--blue));
  box-shadow: 0 0 10px rgba(0, 190, 255, .6);
}
.rules-list li:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 26px rgba(0, 0, 0, .45), 0 0 22px rgba(0, 160, 255, .25);
}
@media (min-width: 760px) {
  .rules-list { grid-template-columns: 1fr 1fr; gap: 14px; }
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, rgba(0, 200, 255, .35), rgba(10, 70, 220, .28)) border-box;
  border: 1px solid transparent;
  border-radius: 12px;
  overflow: hidden;
  transition: box-shadow .25s;
}
.faq-item[open] {
  box-shadow: 0 0 24px rgba(0, 160, 255, .22);
}
.faq-item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 17px 46px 17px 18px;
  font-size: 13.5px;
  font-weight: 600;
  line-height: 1.65;
  letter-spacing: .02em;
  color: var(--ink);
  -webkit-tap-highlight-color: transparent;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::before {
  content: "Q";
  font-family: var(--font-en);
  font-weight: 700;
  color: #63c6ff;
  text-shadow: 0 0 10px rgba(0, 190, 255, .55);
  margin-right: 10px;
}
/* 開閉アイコン（＋ / −） */
.faq-item summary::after {
  content: "";
  position: absolute;
  right: 17px;
  top: 50%;
  width: 12px;
  height: 12px;
  transform: translateY(-50%);
  background:
    linear-gradient(var(--cyan), var(--cyan)) center/12px 2px no-repeat,
    linear-gradient(var(--cyan), var(--cyan)) center/2px 12px no-repeat;
  filter: drop-shadow(0 0 6px rgba(0, 190, 255, .7));
  transition: transform .25s;
}
.faq-item[open] summary::after {
  transform: translateY(-50%) rotate(45deg);
}
.faq-item p {
  padding: 0 18px 18px 18px;
  font-size: 13px;
  line-height: 1.85;
  letter-spacing: .02em;
  color: var(--gray);
  border-top: 1px dashed var(--line);
  padding-top: 14px;
  margin: 0 0 0;
}
.faq-item p a {
  color: #63c6ff;
  text-decoration: underline;
  text-underline-offset: 3px;
}
body.dark .faq-item p { color: #b9c4dd; }

/* ===== Access ===== */
.access-grid {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 26px;
  align-items: stretch;
}
.access-map {
  position: relative;
  min-height: 440px;
  border-radius: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
}
.access-map iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.access-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 40px 36px;
}
.access-card__label {
  font-family: var(--font-en);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .38em;
  text-indent: .38em;
  color: var(--blue);
}
.access-card__spot {
  font-family: var(--font-serif-ja);
  font-size: 25px;
  font-weight: 600;
  letter-spacing: .04em;
  margin-top: 12px;
  line-height: 1.4;
}
.access-flow {
  list-style: none;
  margin: 28px 0 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.access-flow li {
  display: flex;
  align-items: center;
  gap: 15px;
  text-align: left;
}
.access-flow__num {
  flex: none;
  display: grid;
  place-items: center;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  font-family: var(--font-en);
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  background: linear-gradient(135deg, var(--cyan), var(--blue));
  box-shadow: 0 4px 14px rgba(0, 150, 255, .3);
}
.access-flow__txt {
  font-size: 14px;
  color: var(--ink);
  letter-spacing: .03em;
  line-height: 1.6;
}
.access-actions {
  margin-top: auto;
  padding-top: 30px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.access-btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 17px 14px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: .06em;
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  overflow: hidden;
  transition: transform .22s, filter .22s;
}
.access-btn svg { flex: none; }
.access-btn:hover { transform: translateY(-2px); }
.access-btn--call {
  color: #fff;
  background: linear-gradient(120deg, var(--cyan) -20%, var(--blue) 45%, var(--blue-deep) 110%);
  filter: drop-shadow(0 8px 22px rgba(0, 140, 255, .4));
}
.access-btn--call:hover { filter: drop-shadow(0 12px 28px rgba(0, 160, 255, .6)); }
.access-btn--call::after {
  content: "";
  position: absolute;
  top: 0;
  left: -70%;
  width: 45%;
  height: 100%;
  background: linear-gradient(105deg, transparent, rgba(255, 255, 255, .5), transparent);
  transform: skewX(-20deg);
  animation: shine 3.2s ease-in-out infinite;
}
.access-btn--call b {
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: .04em;
  margin-left: 2px;
}
.access-btn--map {
  color: var(--blue-deep);
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  border: 1.5px solid transparent;
}
.access-btn--map:hover { filter: drop-shadow(0 6px 18px rgba(0, 150, 255, .25)); }

/* ===== CTA ===== */
.cta {
  position: relative;
  text-align: center;
  padding: 130px 24px;
  overflow: hidden;
}
.cta__mark {
  width: 92px;
  margin: 0 auto 26px;
  opacity: .9;
}
.cta__title {
  font-family: var(--font-en);
  font-size: clamp(28px, 5.5vw, 44px);
  font-weight: 600;
  letter-spacing: .3em;
  text-indent: .3em;
  background: linear-gradient(90deg, var(--blue-deep) 15%, var(--blue) 55%, var(--cyan) 95%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.cta__text {
  margin-top: 20px;
  font-size: 14.5px;
  color: var(--gray);
  letter-spacing: .08em;
}
.cta__actions {
  display: flex;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 42px;
}

/* ===== Footer ===== */
.footer {
  background: var(--blue-deep);
  text-align: center;
  padding: 64px 24px calc(116px + env(safe-area-inset-bottom));
}
.footer__logo {
  width: 150px;
  margin: 0 auto 22px;
  filter: brightness(0) invert(1);
  opacity: .95;
}
.footer__place {
  color: rgba(255, 255, 255, .8);
  font-size: 13px;
  letter-spacing: .1em;
}
.footer__tel { margin-top: 10px; }
.footer__tel a {
  font-family: var(--font-en);
  font-size: 14px;
  letter-spacing: .12em;
  color: rgba(255, 255, 255, .85);
}
.footer__tel a:hover { color: var(--cyan); }
.footer__seo {
  max-width: 640px;
  margin: 22px auto 0;
  color: rgba(255, 255, 255, .5);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .04em;
}
.footer__copy {
  margin-top: 22px;
  color: rgba(255, 255, 255, .45);
  font-size: 11px;
  letter-spacing: .1em;
  line-height: 1.7;
}

/* ===== Fixed bottom bar ===== */
.fixed-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 90;
  display: flex;
  gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-top: 1px solid var(--line);
}
.fixed-bar__btn {
  flex: 1 1 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 8px;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .08em;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
  transition: transform .2s, filter .2s;
}
.fixed-bar__btn svg { flex: none; }
.fixed-bar__btn:active { transform: scale(.97); }
.fixed-bar__btn--tel {
  color: #fff;
  background: linear-gradient(120deg, var(--cyan) -20%, var(--blue) 45%, var(--blue-deep) 110%);
  filter: drop-shadow(0 4px 14px rgba(0, 140, 255, .4));
}
.fixed-bar__btn--bbs {
  color: var(--blue-deep);
  background:
    linear-gradient(#ffffff, #ffffff) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  border: 1.5px solid transparent;
}

/* ===== Fade-in ===== */
.fade {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity .9s cubic-bezier(.2, .7, .2, 1), transform .9s cubic-bezier(.2, .7, .2, 1);
}
.fade.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Light/Dark toggle ===== */
.header__mode {
  font-family: var(--font-en);
  font-size: 10px !important;
  padding: 7px 14px;
  border: 1px solid #c9d6f5;
  border-radius: 3px;
  color: var(--blue-deep) !important;
  background: #fff;
}
.header__mode:hover { border-color: var(--blue); }
.header__mode::after { display: none !important; }

/* ============================================
   DARK VERSION (body.dark)
   ============================================ */
body.dark {
  --ink: #e9edfa;
  --gray: #98a0b8;
  --line: #1d2542;
  --blue-pale: #101a36;
  background: #05070f;
}
body.dark .header.is-scrolled {
  background: rgba(6, 9, 20, .88);
  box-shadow: 0 1px 0 var(--line);
}
body.dark .header__name { color: #d6e3ff; }
body.dark .header__name small { color: var(--cyan); }
body.dark .header__nav a:hover { color: var(--cyan); }
body.dark .header__nav a:not(.header__x)::after { background: var(--cyan); }
body.dark .header__x {
  background: #0b1122;
  border-color: #26335c;
  color: #d6e3ff;
}
body.dark .header__x:hover { border-color: var(--cyan); }
body.dark .header__mode {
  background: #0b1122;
  border-color: #26335c;
  color: #d6e3ff !important;
}
body.dark .header__mode:hover { border-color: var(--cyan); }

body.dark .hero__bg {
  background:
    radial-gradient(ellipse 70% 55% at 50% -10%, rgba(0, 120, 255, .22), transparent 65%),
    radial-gradient(ellipse 55% 45% at 88% 100%, rgba(0, 190, 255, .10), transparent 60%),
    linear-gradient(180deg, #05070f 0%, #070b18 100%);
}
body.dark .hero__watermark { opacity: .08; }
body.dark .header__mark,
body.dark .cta__mark { filter: brightness(1.4) saturate(.95); }
body.dark .hero__logo {
  animation: heroIn 1.2s .1s cubic-bezier(.2, .7, .2, 1) both,
             logoGlow 3.6s ease-in-out 1.3s infinite;
}
@keyframes logoGlow {
  0%, 100% { filter: brightness(1.32) drop-shadow(0 0 6px rgba(40, 120, 255, .35)); }
  50% { filter: brightness(1.5) drop-shadow(0 0 30px rgba(0, 175, 255, .85)); }
}
body.dark .hero__coming {
  background: linear-gradient(100deg, #2f6dff 0%, #9bdcff 22%, #ffffff 38%, #9bdcff 54%, #2f6dff 72%, #123a9e 100%);
  background-size: 250% auto;
  -webkit-background-clip: text;
  background-clip: text;
  filter: drop-shadow(0 0 16px rgba(0, 160, 255, .45));
  animation: heroIn 1.2s .3s cubic-bezier(.2, .7, .2, 1) both,
             comingShimmer 4.5s linear 1.3s infinite;
}
@keyframes comingShimmer { to { background-position: -250% center; } }
body.dark .hero__title { color: #a9c5ff; }
body.dark .tag { color: #d6e3ff; }
body.dark .tag::before {
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  box-shadow: 0 0 18px rgba(0, 170, 255, .25);
}

body.dark .btn--primary { filter: drop-shadow(0 0 26px rgba(0, 160, 255, .55)); }
body.dark .btn--primary:hover { filter: drop-shadow(0 0 36px rgba(0, 190, 255, .8)); }
body.dark .btn--ghost {
  color: #dce8ff;
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  filter: drop-shadow(0 0 16px rgba(0, 150, 255, .3));
}
body.dark .btn--ghost:hover { filter: drop-shadow(0 0 24px rgba(0, 190, 255, .5)); }

body.dark .marquee {
  background: linear-gradient(90deg, #060d24 0%, #0a2a8a 55%, #060d24 100%);
  box-shadow: 0 0 34px rgba(0, 160, 255, .3);
}

body.dark .section--tint { background: linear-gradient(180deg, #070b18 0%, #0a1126 100%); }
body.dark .section__en { color: var(--cyan); }

body.dark .info-card,
body.dark .system-card,
body.dark .price-card,
body.dark .entry-box {
  background: #0b1122;
  border-color: var(--line);
}
body.dark .info-card:hover,
body.dark .system-card:hover,
body.dark .price-card:hover {
  box-shadow: 0 0 30px rgba(0, 150, 255, .18);
}
body.dark .info-card__label,
body.dark .price-card__label { color: var(--cyan); }
body.dark .system-card__name { color: #a9c5ff; }
body.dark .system-card__num { opacity: .14; }
body.dark .system-card--main {
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
  box-shadow: 0 0 34px rgba(0, 180, 255, .3);
}
body.dark .system-card__price { color: #4d94ff; }
body.dark .price-card--accent {
  background: linear-gradient(150deg, #00a9f0 -15%, var(--blue) 50%, var(--blue-deep) 115%);
  box-shadow: 0 0 34px rgba(0, 150, 255, .4);
}
body.dark .price-card--accent .price-card__label { color: rgba(255, 255, 255, .8); }
body.dark .entry-list li + li { border-top-color: #26335c; }
body.dark .entry-list__num { background: #101a36; color: #a9c5ff; }

body.dark .access-card {
  background: #0b1122;
  border-color: var(--line);
}
body.dark .access-card__label { color: var(--cyan); }
body.dark .access-flow__txt { color: #c6d2ee; }
body.dark .access-map {
  border-color: #26335c;
  box-shadow: 0 0 34px rgba(0, 150, 255, .18);
}
body.dark .access-map iframe { filter: invert(90%) hue-rotate(180deg) grayscale(.2); }
body.dark .access-btn--call { filter: drop-shadow(0 0 26px rgba(0, 160, 255, .55)); }
body.dark .access-btn--call:hover { filter: drop-shadow(0 0 36px rgba(0, 190, 255, .8)); }
body.dark .access-btn--map {
  color: #dce8ff;
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
}
body.dark .access-btn--map:hover { filter: drop-shadow(0 0 20px rgba(0, 170, 255, .4)); }

body.dark .cta__title {
  background: linear-gradient(90deg, #eef3ff 15%, #6e9bff 60%, var(--cyan) 95%);
  -webkit-background-clip: text;
  background-clip: text;
}
body.dark .footer {
  background: #04060f;
  border-top: 1px solid var(--line);
}
body.dark .fixed-bar {
  background: rgba(5, 8, 18, .82);
  border-top: 1px solid #26335c;
  box-shadow: 0 -6px 24px rgba(0, 0, 0, .45);
}
body.dark .fixed-bar__btn--tel { filter: drop-shadow(0 0 16px rgba(0, 160, 255, .5)); }
body.dark .fixed-bar__btn--bbs {
  color: #dce8ff;
  background:
    linear-gradient(#0b1122, #0b1122) padding-box,
    linear-gradient(135deg, var(--cyan), var(--blue)) border-box;
}

/* ===== バチバチ・ネオン演出（脈動グロー） ===== */
body.dark .section__en { animation: labelGlow 2.8s ease-in-out infinite; }
@keyframes labelGlow {
  0%, 100% { text-shadow: 0 0 6px rgba(0, 180, 255, .25); }
  50% { text-shadow: 0 0 16px rgba(0, 210, 255, .7), 0 0 30px rgba(0, 160, 255, .35); }
}
/* 1部→2部→3部が順番にゆっくり光るチェイス演出 */
body.dark .system-card { animation: cardChase 7.8s ease-in-out infinite; }
body.dark .system-grid .system-card:nth-child(2) { animation-delay: 2.6s; }
body.dark .system-grid .system-card:nth-child(3) { animation-delay: 5.2s; }
@keyframes cardChase {
  0%, 33%, 100% { box-shadow: 0 8px 22px rgba(0, 0, 0, .35); }
  16% { box-shadow: 0 8px 22px rgba(0, 0, 0, .35), 0 0 46px rgba(0, 205, 255, .6); }
}
body.dark .price-card--accent { animation: accentPulse 2.9s ease-in-out infinite; }
@keyframes accentPulse {
  0%, 100% { box-shadow: 0 0 26px rgba(0, 150, 255, .3); }
  50% { box-shadow: 0 0 52px rgba(0, 195, 255, .65); }
}
body.dark .access-flow__num,
body.dark .entry-list__num { animation: badgePulse 2.4s ease-in-out infinite; }
@keyframes badgePulse {
  0%, 100% { box-shadow: 0 4px 14px rgba(0, 150, 255, .3); }
  50% { box-shadow: 0 4px 14px rgba(0, 150, 255, .3), 0 0 22px rgba(0, 205, 255, .75); }
}
/* スクロール出現をよりドラマチックに */
.fade { transform: translateY(34px) scale(.985); }
.fade.is-visible { transform: translateY(0) scale(1); }

@media (prefers-reduced-motion: reduce) {
  .hero::before, .hero::after, .hero__watermark, .marquee__track,
  .btn--primary::after, .access-btn--call::after,
  body.dark .hero__logo, body.dark .hero__coming, .hero__line,
  body.dark .section__en, body.dark .system-card,
  body.dark .price-card--accent, body.dark .access-flow__num,
  body.dark .entry-list__num { animation: none !important; }
}

/* ===== Responsive ===== */
@media (max-width: 860px) {
  .header { padding: 14px 18px; }
  .header__nav { gap: 18px; }
  .header__nav a:not(.header__x):not(.header__mode) { display: none; }
  .info-grid,
  .system-grid,
  .price-grid { grid-template-columns: 1fr; max-width: 440px; margin-left: auto; margin-right: auto; }
  .section { padding: 80px 20px; }
  .entry-box { padding: 34px 24px 28px; }
  .access-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .access-map { min-height: 300px; }
  .access-card { padding: 36px 24px; }
  .cta { padding: 96px 20px; }
}