/* =================================================
   デザイントークン
================================================= */
:root {
  --color-bg:          #0a0a0f;
  --color-bg-2:        #10101a;
  --color-text:        #e8e0d5;
  --color-muted:       #9a8fa0;
  --color-accent:      #f2a7c3;
  --color-accent-dark: #c97fa0;
  --color-red:         #e87070;

  --font-serif:        'Shippori Mincho', serif;
  --font-sans:         'Noto Sans JP', sans-serif;

  --ease-out:          cubic-bezier(0.16, 1, 0.3, 1);
  --duration-slow:     1.2s;
  --duration-normal:   0.8s;

  --header-h:          64px;
}

/* =================================================
   リセット
================================================= */
*, *::before, *::after { box-sizing: border-box; }
html, body, h1, h2, h3, h4, p, ul, ol, li, figure, blockquote {
  margin: 0; padding: 0;
}
ul, ol { list-style: none; }
img, svg { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
button { background: none; border: none; cursor: pointer; color: inherit; font: inherit; }
iframe { border: 0; }

html { scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.8;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* =================================================
   共通
================================================= */
section {
  position: relative;
  padding: 60px 24px;
  z-index: 2;
}
section h2 {
  font-family: var(--font-serif);
  font-size: 28px;
  letter-spacing: 0.3em;
  text-align: center;
  margin-bottom: 40px;
  color: var(--color-text);
  font-weight: 700;
}
section h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 1px;
  background: var(--color-accent);
  opacity: 0.6;
  margin: 16px auto 0;
}
section p { line-height: 1.9; }

/* =================================================
   音楽選択画面
================================================= */
.fixed-overlay {
  position: fixed;
  inset: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2.5rem;
  background: var(--color-bg);
}
.music-select__lead {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.3em;
  color: var(--color-text);
}
.music-select__buttons {
  display: flex;
  gap: 1.5rem;
}
.music-select__buttons button {
  width: 120px;
  padding: 14px 0;
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.3em;
  color: var(--color-text);
  border: 1px solid var(--color-accent);
  background: transparent;
  transition: background 0.3s, color 0.3s;
}
.music-select__buttons button:hover {
  background: var(--color-accent);
  color: var(--color-bg);
}

/* =================================================
   ローディング
================================================= */
#loading {
  position: fixed;
  inset: 0;
  z-index: 9998;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  background: var(--color-bg);
}
#loading.is-active { display: flex; }
.loading__text {
  opacity: 0;
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.3em;
  line-height: 2.2;
  color: var(--color-text);
  writing-mode: vertical-rl;
  text-orientation: mixed;
  text-align: start;
}
.loading__bar-wrap {
  width: min(60%, 320px);
  height: 2px;
  background: rgba(232, 224, 213, 0.15);
  overflow: hidden;
}
.loading__bar {
  width: 0%;
  height: 100%;
  background: var(--color-accent);
}
#loading-skip {
  position: absolute;
  left: 50%;
  bottom: 40px;
  transform: translateX(-50%);
  font-family: var(--font-serif);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-muted);
  border: 1px solid var(--color-muted);
  padding: 8px 18px;
  background: transparent;
}
#loading-skip:hover { color: var(--color-text); border-color: var(--color-text); }

/* =================================================
   ヘッダー
================================================= */
#header {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--header-h);
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  z-index: 90;
  background: linear-gradient(180deg, rgba(10,10,15,0.85), transparent);
}
#header .logo {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  font-family: var(--font-serif);
  color: var(--color-text);
}
.logo__ja { font-size: 22px; letter-spacing: 0.2em; }
.logo__en { font-size: 12px; letter-spacing: 0.4em; color: var(--color-muted); }

.hamburger {
  position: relative;
  width: 36px; height: 24px;
  display: flex; flex-direction: column; justify-content: space-between;
  z-index: 101;
}
.hamburger span {
  display: block;
  width: 100%; height: 1.5px;
  background: var(--color-text);
  transition: transform 0.3s var(--ease-out), opacity 0.3s;
}
.hamburger.is-open span:nth-child(1) { transform: translateY(11px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-11px) rotate(-45deg); }

.nav {
  position: fixed;
  inset: 0;
  background: rgba(10,10,15,0.96);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.4s var(--ease-out), visibility 0.4s;
  z-index: 95;
}
.nav.is-open { opacity: 1; visibility: visible; }
.nav ul {
  display: flex;
  flex-direction: column;
  gap: 1.8rem;
  text-align: center;
}
.nav a {
  font-family: var(--font-serif);
  font-size: 20px;
  letter-spacing: 0.3em;
  color: var(--color-text);
  transition: color 0.3s;
}
.nav a:hover { color: var(--color-accent); }

/* =================================================
   灰Canvas
================================================= */
#sakura-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 1;
  mix-blend-mode: screen;
}

/* =================================================
   ① FV
================================================= */
#fv {
  position: relative;
  width: 100%;
  height: 100svh;
  min-height: 560px;
  padding: 0;
  overflow: hidden;
}
.fv-bg,
.fv-main,
.fv-overlay {
  position: absolute;
  inset: 0;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.fv-bg {
  background-image: url('../img/fv/mv-bg.jpeg');
  z-index: 1;
  filter: brightness(0.55) contrast(1.1);
}
.fv-main {
  background-image: url('../img/fv/mv-animated.gif');
  background-size: cover;
  z-index: 2;
  opacity: 0.35;
  mix-blend-mode: screen;
}
.fv-overlay {
  z-index: 3;
  background: radial-gradient(
      ellipse at center,
      transparent 20%,
      rgba(10, 10, 15, 0.85) 90%
    ),
    linear-gradient(180deg, rgba(10,10,15,0.4) 0%, transparent 30%, transparent 60%, rgba(10,10,15,0.9) 100%);
}

.fv-title {
  position: absolute;
  top: 18%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  text-align: center;
  font-family: var(--font-serif);
  color: var(--color-text);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  text-shadow: 0 2px 30px rgba(0,0,0,0.8);
}
.fv-title__ja {
  font-size: clamp(64px, 18vw, 160px);
  letter-spacing: 0.25em;
  font-weight: 800;
  line-height: 1;
  color: var(--color-text);
}
.fv-title__en {
  font-size: clamp(14px, 3vw, 22px);
  letter-spacing: 0.8em;
  color: var(--color-accent);
  padding-left: 0.8em;
}

.fv-copy {
  position: absolute;
  bottom: 18%;
  left: 50%;
  transform: translateX(-50%);
  z-index: 5;
  font-family: var(--font-serif);
  font-size: clamp(14px, 3.8vw, 20px);
  letter-spacing: 0.2em;
  line-height: 2.2;
  text-align: center;
  color: var(--color-text);
  text-shadow: 0 2px 20px rgba(0,0,0,0.9);
  display: flex;
  flex-direction: column;
  gap: 0.4em;
}

.fv-scroll {
  position: absolute;
  left: 50%; bottom: 20px;
  transform: translateX(-50%);
  z-index: 6;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
}
.fv-scroll span {
  font-size: 10px;
  letter-spacing: 0.4em;
  color: var(--color-muted);
}
.fv-scroll::after {
  content: '';
  display: block;
  width: 1px;
  height: 50px;
  background: linear-gradient(to bottom, var(--color-accent), transparent);
  animation: scrollLine 2s ease-in-out infinite;
  transform-origin: top;
}
@keyframes scrollLine {
  0%,100% { transform: scaleY(0.3); opacity: 0.4; }
  50%     { transform: scaleY(1);   opacity: 1;   }
}

/* =================================================
   ④ 一言あらすじ
================================================= */
#synopsis {
  background: var(--color-bg-2);
  padding: 80px 24px;
  display: flex;
  justify-content: center;
  text-align: center;
}
.synopsis__text {
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.25em;
  line-height: 2.4;
  color: var(--color-text);
  writing-mode: vertical-rl;
  text-orientation: mixed;
}

/* =================================================
   ⑤ フィルムライナー
================================================= */
.liner {
  overflow: hidden;
  background: #000;
  padding: 20px 0;
  position: relative;
  z-index: 2;
  border-top: 1px solid rgba(232,224,213,0.08);
  border-bottom: 1px solid rgba(232,224,213,0.08);
}
.liner__track {
  display: flex;
  gap: 16px;
  width: max-content;
  animation: marqueeLiner 30s linear infinite;
}
.liner__track img {
  height: 180px;
  width: auto;
  flex-shrink: 0;
  object-fit: cover;
  filter: grayscale(0.3) contrast(1.1) brightness(0.85);
}
@keyframes marqueeLiner {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

/* =================================================
   ⑥ INTRODUCTION / ⑦ PV / ⑧ STORY
================================================= */
#introduction, #about-mm {
  max-width: 720px;
  margin: 0 auto;
  text-align: center;
}
.introduction__body p,
.story__body p,
#about-mm p {
  margin-bottom: 1.2em;
  letter-spacing: 0.1em;
}

#story { background: var(--color-bg-2); }
#character { background: var(--color-bg-2); }
.story__body {
  max-width: 720px;
  margin: 0 auto 48px;
  text-align: left;
}
.story__image {
  max-width: 720px;
  margin: 0 auto;
  border: 1px solid rgba(242,167,195,0.15);
  overflow: hidden;
}
.story__image img {
  width: 100%;
  filter: brightness(0.85) contrast(1.05);
}

#pv .pv__frame {
  position: relative;
  max-width: 960px;
  margin: 0 auto;
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(242,167,195,0.2);
}
#pv iframe {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
}

/* =================================================
   ⑨ ラヲとレグノ
================================================= */
#lala-legno {
  background: var(--color-bg-2);
  text-align: center;
  overflow: hidden;
}
.lala-legno__inner {
  max-width: 720px;
  margin: 0 auto 32px;
  display: flex;
  justify-content: center;
}
.char-laregno {
  width: 70%;
  max-width: 420px;
  height: auto;
}
.lala-legno__text h3 {
  font-family: var(--font-serif);
  font-size: 26px;
  letter-spacing: 0.4em;
  margin-bottom: 1rem;
  color: var(--color-accent);
}
.lala-legno__text p {
  font-family: var(--font-serif);
  letter-spacing: 0.15em;
  color: var(--color-muted);
}

/* =================================================
   ⑩ VENUE
================================================= */
#venue { text-align: center; }
.venue__lead-1, .venue__lead-2 {
  font-family: var(--font-serif);
  font-size: 15px;
  line-height: 2;
  letter-spacing: 0.15em;
  margin-bottom: 1rem;
}
.venue__images {
  margin: 2rem auto;
  display: grid;
  gap: 12px;
  max-width: 720px;
}
.venue__images img {
  width: 100%;
  filter: brightness(0.9);
  border: 1px solid rgba(242,167,195,0.15);
}
.venue__info {
  margin-top: 2rem;
  font-family: var(--font-serif);
  letter-spacing: 0.1em;
  line-height: 2;
}
.venue__info strong {
  display: inline-block;
  margin-bottom: 0.3em;
  color: var(--color-accent);
  letter-spacing: 0.2em;
}

/* =================================================
   ⑪ CHARACTER
================================================= */
#character { padding: 80px 0; }
.character-swiper {
  width: 100%;
  padding: 0 24px 60px;
  max-width: 1100px;
  margin: 0 auto;
}
.character-swiper .swiper-slide {
  display: flex;
  justify-content: center;
  align-items: center;
}
.character-swiper .swiper-slide img {
  width: 100%;
  max-width: 320px;
  height: auto;
  border: 1px solid rgba(242,167,195,0.2);
  filter: brightness(0.95);
  transition: filter 0.4s, transform 0.4s;
}
.character-swiper .swiper-slide-active img {
  filter: brightness(1);
  transform: scale(1.04);
}
.character-swiper .swiper-button-prev,
.character-swiper .swiper-button-next {
  color: var(--color-accent);
}
.character-swiper .swiper-pagination-bullet {
  background: var(--color-text);
  opacity: 0.4;
}
.character-swiper .swiper-pagination-bullet-active {
  background: var(--color-accent);
  opacity: 1;
}
.character__hint {
  text-align: center;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--color-muted);
  margin-top: 8px;
}

/* =================================================
   ⑬ 遊び方
================================================= */
.howto__specs {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  margin-bottom: 48px;
  flex-wrap: wrap;
}
.spec-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.4rem;
  padding: 16px 28px;
  border: 1px solid rgba(242,167,195,0.3);
  min-width: 140px;
}
.spec-item__label {
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--color-muted);
}
.spec-item__value {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.15em;
  color: var(--color-text);
}

.howto__steps {
  display: grid;
  gap: 24px;
  max-width: 720px;
  margin: 0 auto;
}
.step-item {
  padding: 24px;
  border: 1px solid rgba(232,224,213,0.1);
  background: rgba(16, 16, 26, 0.5);
  position: relative;
}
.step-item__num {
  display: block;
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-accent);
  letter-spacing: 0.2em;
  margin-bottom: 0.5em;
}
.step-item h3 {
  font-family: var(--font-serif);
  font-size: 18px;
  letter-spacing: 0.2em;
  margin-bottom: 0.6em;
}
.step-item p {
  font-size: 14px;
  line-height: 1.9;
  color: var(--color-muted);
}

/* =================================================
   ⑭ TICKET
================================================= */
#ticket { text-align: center; }
.ticket__table {
  max-width: 560px;
  margin: 0 auto 32px;
  padding: 32px 24px;
  border: 1px solid var(--color-accent-dark);
  font-family: var(--font-serif);
  background: rgba(16, 16, 26, 0.6);
}
.ticket__row {
  display: flex;
  justify-content: space-between;
  padding: 10px 0;
  border-bottom: 1px dashed rgba(232,224,213,0.15);
  letter-spacing: 0.15em;
}
.ticket__row:last-of-type { border-bottom: none; }
.ticket__date { color: var(--color-accent); }
.ticket__time { color: var(--color-text); }
.ticket__price {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(242,167,195,0.3);
  letter-spacing: 0.15em;
}
.ticket__price p {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4em;
}
.ticket__price span { color: var(--color-accent); }

.btn-ticket {
  display: inline-block;
  padding: 16px 48px;
  background: var(--color-accent);
  color: var(--color-bg);
  font-family: var(--font-serif);
  font-size: 16px;
  letter-spacing: 0.3em;
  transition: background 0.3s, transform 0.3s;
}
.btn-ticket:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
}

/* =================================================
   ⑮ 注意 / ⑯ 申し込み方法
================================================= */
#precautions, #howto-apply {
  max-width: 720px;
  margin: 0 auto;
}
#precautions ul li {
  position: relative;
  padding-left: 1.4em;
  margin-bottom: 0.8em;
  line-height: 1.9;
  letter-spacing: 0.08em;
}
#precautions ul li::before {
  content: '※';
  position: absolute;
  left: 0;
  color: var(--color-accent);
}
#howto-apply ol {
  counter-reset: step;
  list-style: none;
}
#howto-apply ol li {
  counter-increment: step;
  position: relative;
  padding-left: 2.4em;
  margin-bottom: 1em;
  line-height: 1.9;
  letter-spacing: 0.08em;
}
#howto-apply ol li::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  left: 0; top: 0;
  font-family: var(--font-serif);
  color: var(--color-accent);
  letter-spacing: 0.1em;
}

/* =================================================
   ⑰ FORM
================================================= */
#form { max-width: 720px; margin: 0 auto; }
#form iframe {
  width: 100%;
  min-height: 1200px;
  background: rgba(232, 224, 213, 0.03);
  border: 0;
  display: block;
}
.form__note {
  margin-top: 1em;
  text-align: center;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.15em;
}

/* =================================================
   フッター
================================================= */
#footer {
  padding: 40px 24px;
  text-align: center;
  font-size: 12px;
  color: var(--color-muted);
  letter-spacing: 0.3em;
  border-top: 1px solid rgba(232, 224, 213, 0.1);
  position: relative;
  z-index: 2;
  background: var(--color-bg);
}
.footer__produce {
  margin-bottom: 0.8em;
  letter-spacing: 0.15em;
}
.footer__produce a {
  color: var(--color-text);
  border-bottom: 1px solid rgba(232, 224, 213, 0.3);
  padding-bottom: 2px;
  transition: color 0.3s, border-color 0.3s;
}
.footer__produce a:hover {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* =================================================
   追従UI
================================================= */
#floating-ui {
  position: fixed;
  right: 1rem;
  bottom: 1.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.8rem;
  z-index: 100;
}
.floating-sns {
  width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(10,10,15,0.7);
  border: 1px solid rgba(232, 224, 213, 0.3);
  border-radius: 50%;
  color: var(--color-text);
  transition: background 0.3s, color 0.3s, border-color 0.3s;
}
.floating-sns svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}
.floating-sns:hover { background: var(--color-accent); color: var(--color-bg); }
.floating-sns--line:hover { background: #06C755; color: #fff; border-color: #06C755; }
.floating-ticket {
  writing-mode: vertical-rl;
  background: var(--color-accent);
  color: #fff;
  padding: 1rem 0.6rem;
  font-size: 12px;
  letter-spacing: 0.2em;
  font-family: var(--font-serif);
  transition: background 0.3s;
}
.floating-ticket:hover { background: var(--color-accent-dark); }

/* =================================================
   レスポンシブ
================================================= */
@media (min-width: 768px) {
  :root { --header-h: 80px; }

  section { padding: 80px 48px; }
  section h2 { font-size: 36px; margin-bottom: 40px; }
  #synopsis { padding: 80px 48px; }

  #header { padding: 0 40px; }
  .logo__ja { font-size: 26px; }
  .logo__en { font-size: 14px; }

  .nav ul { gap: 2.4rem; }
  .nav a  { font-size: 24px; }

  .synopsis__text { font-size: 20px; }

  .liner__track img { height: 260px; }

  .lala-legno__inner { max-width: 900px; }
  .char-laregno { max-width: 520px; }

  .venue__images {
    grid-template-columns: repeat(2, 1fr);
    max-width: 960px;
  }

  .howto__steps {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
    max-width: 960px;
  }

  #floating-ui { right: 1.5rem; bottom: 2rem; gap: 1rem; }
  .floating-sns { width: 48px; height: 48px; }
  .floating-sns svg { width: 22px; height: 22px; }
}

/* =================================================
   GSAP初期状態
================================================= */
.fv-title,
.fv-copy {
  opacity: 0;
}
body.is-ready .fv-title,
body.is-ready .fv-copy { opacity: 1; }