/* ========================================
   empakusha (淵泊渚) — Design System
   ======================================== */

/* === Design Tokens === */
:root {
  /* 背景色 */
  --color-bg-primary: #0a0a0a;
  --color-bg-secondary: #111111;
  --color-bg-surface: #1a1a1a;
  --color-bg-overlay: rgba(0, 0, 0, 0.85);

  /* グラデーション（amehana参考） */
  --gradient-abyss: linear-gradient(180deg, #0a0a0a 0%, #0d0a14 40%, #12081c 100%);
  --gradient-deep: linear-gradient(180deg, #12081c 0%, #0f1a2a 50%, #0a1520 100%);
  --gradient-murky: linear-gradient(180deg, #0a1520 0%, #0d1a1a 50%, #0a1210 100%);
  --gradient-blood: linear-gradient(180deg, #0a1210 0%, #150a0a 50%, #0a0a0a 100%);

  /* テキスト色 */
  --color-text-primary: #e8e0d8;
  --color-text-secondary: #8a8078;
  --color-text-muted: #5a5550;

  /* アクセント色 */
  --color-accent-primary: #8b2020;
  --color-accent-glow: #c23030;
  --color-accent-subtle: #3d1515;

  /* 特殊効果色 */
  --color-fog: rgba(200, 190, 180, 0.03);
  --color-glow: rgba(139, 32, 32, 0.15);
  --color-border: rgba(255, 255, 255, 0.06);
  --color-border-accent: rgba(139, 32, 32, 0.3);

  /* フォントファミリー */
  --font-display: "Noto Serif JP", "Hiragino Mincho Pro", serif;
  --font-body: "Noto Sans JP", "Hiragino Sans", sans-serif;
  --font-accent: "Cormorant Garamond", "Noto Serif JP", serif;

  /* フォントサイズ */
  --text-hero: clamp(2.5rem, 8vw, 5rem);
  --text-h1: clamp(2rem, 5vw, 3.5rem);
  --text-h2: clamp(1.375rem, 3.5vw, 2.5rem);
  --text-h3: clamp(1.0625rem, 2.5vw, 1.5rem);
  --text-body: clamp(0.9375rem, 2vw, 1rem);
  --text-small: clamp(0.8125rem, 1.8vw, 0.875rem);
  --text-caption: 0.75rem;

  /* フォントウェイト */
  --weight-light: 300;
  --weight-regular: 400;
  --weight-medium: 500;
  --weight-bold: 700;

  /* 行間・字間 */
  --leading-tight: 1.3;
  --leading-normal: 1.8;
  --leading-loose: 2.0;
  --tracking-wide: 0.15em;
  --tracking-wider: 0.3em;

  /* レイアウト */
  --content-width: 800px;
  --content-width-wide: 1200px;
  --content-padding: clamp(1.5rem, 5vw, 4rem);

  /* スペーシング */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 2rem;
  --space-lg: 4rem;
  --space-xl: 8rem;
  --space-2xl: 12rem;
  --section-gap: clamp(3rem, 10vh, 10rem);

  /* トランジション */
  --transition-fast: 200ms ease;
  --transition-normal: 400ms ease;
  --transition-slow: 800ms ease;
  --transition-glacial: 1500ms ease;
  --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-dramatic: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul, ol {
  list-style: none;
}

/* === Accessibility === */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* === Font Utilities === */
.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }
.font-accent { font-family: var(--font-accent); }
.text-accent { color: var(--color-accent-glow); }

/* === Fade-in Animation === */
.fade-in {
  opacity: 0;
  transition: opacity var(--transition-glacial) var(--ease-dramatic);
}

.fade-in.is-visible {
  opacity: 1;
}

/* ========================================
   Notification Overlay (スマホ演出)
   ======================================== */
.notification-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: #000;
  transition: opacity 2s ease;
}

.notification-overlay.is-hidden {
  opacity: 0;
  pointer-events: none;
}

/* --- Lock Screen --- */
.lock-screen {
  position: absolute;
  inset: 0;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  overflow: hidden;
}

.lock-screen__bg {
  position: absolute;
  inset: -6%;
  background: url('../images/hero-bg.png') center/cover no-repeat;
  filter: blur(14px) brightness(0.28);
}

.lock-screen__top {
  position: relative;
  z-index: 1;
  text-align: center;
  padding-top: clamp(3.5rem, 13vh, 6rem);
}

.lock-screen {
  animation: screenOn 0.6s ease forwards;
}

@keyframes screenOn {
  from { filter: brightness(0.1); }
  to   { filter: brightness(1); }
}

.lock-screen__time {
  font-family: var(--font-body);
  font-size: clamp(4.5rem, 20vw, 7rem);
  font-weight: 200;
  color: #fff;
  letter-spacing: -0.02em;
  line-height: 1;
}

#lock-minute {
  display: inline-block;
}

#lock-minute.is-out {
  animation: minuteOut 0.25s ease forwards;
}

#lock-minute.is-in {
  animation: minuteIn 0.3s ease forwards;
}

@keyframes minuteOut {
  to { opacity: 0; transform: translateY(-0.12em); }
}

@keyframes minuteIn {
  from { opacity: 0; transform: translateY(0.12em); }
  to   { opacity: 1; transform: translateY(0); }
}

.lock-screen__date {
  font-size: 0.9375rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 0.5rem;
  letter-spacing: 0.06em;
}

.lock-screen__notifs {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 420px;
  padding: 0 1.25rem;
  margin-top: clamp(2rem, 8vh, 4rem);
}

/* Notification Card */
.notif-card {
  background: rgba(45, 40, 58, 0.68);
  backdrop-filter: blur(28px) saturate(1.6);
  -webkit-backdrop-filter: blur(28px) saturate(1.6);
  border: 1px solid rgba(255, 255, 255, 0.09);
  border-radius: 1rem;
  padding: 0.9rem 1rem;
  cursor: pointer;
  opacity: 0;
  animation: notifIn 0.5s var(--ease-dramatic) 1.8s forwards;
  -webkit-tap-highlight-color: transparent;
}

.notif-card:active {
  background: rgba(65, 60, 78, 0.8);
}

@keyframes notifIn {
  from { opacity: 0; transform: translateY(-1.25rem) scale(0.97); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.notif-card__header {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.3rem;
}

.notif-card__icon {
  width: 1.25rem;
  height: 1.25rem;
  background: #4a90d9;
  border-radius: 0.3rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.notif-card__app {
  font-size: 0.75rem;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.52);
  flex: 1;
}

.notif-card__time {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.33);
}

.notif-card__title {
  font-size: 0.875rem;
  font-weight: 600;
  color: #fff;
  margin-bottom: 0.2rem;
}

.notif-card__preview {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.48);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  line-height: 1.45;
}

.lock-screen__hint {
  position: absolute;
  bottom: clamp(2rem, 6vh, 3.5rem);
  z-index: 1;
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.3);
  letter-spacing: 0.14em;
  opacity: 0;
  animation: fadeIn 1s ease 3.2s forwards;
}

/* --- Mail App --- */
.mail-app {
  position: absolute;
  inset: 0;
  z-index: 2;
  background: #0e0e12;
  display: flex;
  flex-direction: column;
  transform: translateY(100%);
  transition: transform 0.45s var(--ease-dramatic);
  pointer-events: none;
}

.mail-app.is-active {
  transform: translateY(0);
  pointer-events: auto;
}

.mail-app__header {
  display: flex;
  align-items: center;
  padding: clamp(2.75rem, 10vh, 4.5rem) 1.25rem 0.875rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.07);
  flex-shrink: 0;
}

.mail-app__back {
  appearance: none;
  background: none;
  border: none;
  color: #5b9bd5;
  font-size: 1rem;
  font-family: var(--font-body);
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
  padding: 0.25rem 0;
  min-height: 44px;
  -webkit-tap-highlight-color: transparent;
}

.mail-app__content {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.25rem 3rem;
  -webkit-overflow-scrolling: touch;
}

.mail-app__subject {
  font-family: var(--font-body);
  font-size: 1.1875rem;
  font-weight: 600;
  color: var(--color-text-primary);
  line-height: 1.35;
  margin-bottom: 1rem;
}

.mail-app__sender-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.mail-app__avatar {
  width: 2.25rem;
  height: 2.25rem;
  background: #5c2828;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.85);
  font-size: 0.875rem;
  font-weight: 600;
  flex-shrink: 0;
}

.mail-app__sender-info {
  flex: 1;
  min-width: 0;
}

.mail-app__from {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-primary);
}

.mail-app__to {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  margin-top: 0.1rem;
}

.mail-app__date {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  flex-shrink: 0;
}

.mail-app__body {
  line-height: 1.95;
  color: rgba(232, 224, 216, 0.82);
  font-size: 0.9375rem;
}

.mail-app__body p {
  margin-bottom: 1em;
}

.mail-app__bank-section {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.mail-app__bank-note {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  letter-spacing: 0.06em;
  margin-bottom: 0.75rem;
}

.mail-app__bank-link {
  appearance: none;
  width: 100%;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 0.75rem;
  padding: 1rem 1rem 1rem 1.125rem;
  color: #5b9bd5;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  cursor: pointer;
  min-height: 52px;
  text-align: left;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.mail-app__bank-link:active {
  background: rgba(255, 255, 255, 0.08);
}

.mail-app__bank-link-icon {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  opacity: 0.8;
}

.mail-app__bank-link-arrow {
  margin-left: auto;
  flex-shrink: 0;
  opacity: 0.5;
}

/* --- Bank Alert --- */
.bank-alert {
  position: absolute;
  inset: 0;
  z-index: 3;
  background: rgba(0, 0, 0, 0.88);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease;
}

.bank-alert.is-active {
  opacity: 1;
  pointer-events: auto;
}

.bank-alert__card {
  width: 100%;
  max-width: 340px;
  background: #111115;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1.25rem;
  overflow: hidden;
}

.bank-alert.is-active .bank-alert__card {
  animation: cardIn 0.4s var(--ease-dramatic);
}

@keyframes cardIn {
  from { transform: scale(0.88) translateY(1.5rem); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}

/* アプリヘッダー */
.bank-alert__app-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.875rem 1.125rem;
  background: #1a1a20;
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.bank-alert__app-icon {
  width: 1.5rem;
  height: 1.5rem;
  background: #1a5fa8;
  border-radius: 0.35rem;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}

.bank-alert__app-name {
  font-size: 0.8125rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.75);
  flex: 1;
}

.bank-alert__app-time {
  font-size: 0.6875rem;
  color: rgba(255, 255, 255, 0.3);
}

/* ステータス */
.bank-alert__status {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1.25rem 1.25rem 0;
}

.bank-alert__check {
  width: 1.75rem;
  height: 1.75rem;
  background: rgba(68, 200, 95, 0.1);
  border: 1px solid rgba(68, 200, 95, 0.25);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.bank-alert__status-text {
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.45);
  letter-spacing: 0.06em;
}

/* 金額 */
.bank-alert__amount {
  font-family: var(--font-accent);
  font-size: clamp(2rem, 9vw, 2.75rem);
  font-weight: 300;
  font-style: italic;
  color: #fff;
  letter-spacing: 0.01em;
  padding: 0.375rem 1.25rem 1.25rem;
}

/* 明細 */
.bank-alert__rows {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  margin: 0 1.25rem;
}

.bank-alert__row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 1rem;
  padding: 0.625rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.04);
  font-size: 0.8125rem;
}

.bank-alert__row:last-child {
  border-bottom: none;
}

.bank-alert__row-label {
  color: rgba(255, 255, 255, 0.35);
  flex-shrink: 0;
}

.bank-alert__row-value {
  color: rgba(255, 255, 255, 0.75);
  text-align: right;
  font-variant-numeric: tabular-nums;
}

/* ボタン */
.bank-alert__btn {
  appearance: none;
  display: block;
  width: calc(100% - 2.5rem);
  margin: 1.25rem;
  background: #1a5fa8;
  border: none;
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  padding: 0.875rem;
  border-radius: 0.625rem;
  cursor: pointer;
  min-height: 48px;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.bank-alert__btn:active {
  background: #2070c0;
}

/* ========================================
   Hero Section
   ======================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.hero__kv {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero__kv-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.hero__kv-overlay {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 30%, rgba(139, 32, 32, 0.06) 0%, transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.35) 50%, rgba(0,0,0,0.7) 100%);
}

.hero__fog {
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(ellipse at 20% 50%, var(--color-fog) 0%, transparent 50%),
    radial-gradient(ellipse at 80% 30%, var(--color-fog) 0%, transparent 50%);
  animation: fogDrift 20s ease-in-out infinite;
  pointer-events: none;
}

.hero__fog--2 {
  animation-delay: -10s;
  animation-direction: reverse;
  opacity: 0.5;
}

@keyframes fogDrift {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 1; }
  50% { transform: translate(3%, -2%) scale(1.05); opacity: 0.6; }
}

.hero__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: var(--content-padding);
}

.hero__subtitle {
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  margin-bottom: var(--space-md);
  opacity: 0;
  animation: fadeIn 2s var(--ease-dramatic) 0.5s forwards;
}

.hero__title {
  margin-bottom: var(--space-sm);
}

.hero__logo {
  width: clamp(80px, 24vw, 192px);
  height: auto;
  display: block;
  margin: 0 auto;
  opacity: 0;
  transform: translateY(0.5rem);
  filter: blur(6px);
  transition: opacity 2s var(--ease-dramatic), transform 2s var(--ease-dramatic), filter 2s var(--ease-dramatic);
}

.hero__logo.is-revealed {
  opacity: 1;
  transform: translateY(0);
  filter: blur(0);
}

@keyframes logoReveal {
  0% { opacity: 0; transform: translateY(0.5rem); filter: blur(6px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes charReveal {
  0% { opacity: 0; transform: translateY(0.2em); filter: blur(4px); }
  100% { opacity: 1; transform: translateY(0); filter: blur(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  opacity: 0;
  animation: fadeIn 2s var(--ease-dramatic) 3.5s forwards;
}

.hero__scroll span {
  font-family: var(--font-accent);
  font-size: var(--text-caption);
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  text-transform: uppercase;
}

.hero__scroll-line {
  width: 1px;
  height: 3rem;
  background: linear-gradient(180deg, var(--color-text-muted) 0%, transparent 100%);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(1); }
  50% { opacity: 1; transform: scaleY(1.2); }
}

/* ========================================
   Section (共通)
   ======================================== */
.section {
  padding: var(--section-gap) var(--content-padding);
}

.section__inner {
  max-width: var(--content-width);
  margin: 0 auto;
}

.section__heading {
  font-size: var(--text-h2);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-lg);
  text-align: center;
}

.section__heading-en {
  display: block;
  font-family: var(--font-accent);
  font-size: var(--text-small);
  font-weight: var(--weight-regular);
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
}

/* === Section Gradients (amehana参考: 色の旅) === */
/* 純黒 → 深い紫 → ネイビー → ティール → 褐色 → 赤み → 純黒 */
.section--synopsis { background: var(--gradient-abyss); }
.section--features { background: var(--gradient-deep); }
.section--flow     { background: var(--gradient-deep); }
.section--info     { background: var(--gradient-murky); }
.section--notes    { background: var(--gradient-murky); }
.section--faq      { background: var(--gradient-blood); }
.section--credits  { background: var(--gradient-blood); }

/* ========================================
   Synopsis (あらすじ)
   ======================================== */
.synopsis__text {
  text-align: center;
  line-height: var(--leading-loose);
}

.synopsis__text p {
  margin-bottom: 1.2em;
}

.synopsis__quote {
  font-family: var(--font-display);
  font-size: var(--text-h3);
  color: var(--color-text-primary);
  padding: var(--space-md) 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  margin: var(--space-md) 0;
}

/* ========================================
   Features (特徴)
   ======================================== */
.features__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.features__item {
  display: flex;
  gap: var(--space-md);
  align-items: flex-start;
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid var(--color-border);
}

.features__item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.features__number {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: var(--weight-light);
  color: var(--color-accent-primary);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 0.15em;
}

.features__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-xs);
}

.features__desc {
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ========================================
   Flow (体験の流れ)
   ======================================== */
.flow__list {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
  counter-reset: none;
}

.flow__item {
  display: flex;
  align-items: baseline;
  gap: var(--space-md);
  padding: var(--space-md);
  background: var(--color-bg-secondary);
  border-left: 2px solid var(--color-accent-subtle);
  transition: border-color var(--transition-normal);
}

.flow__item:hover {
  border-left-color: var(--color-accent-primary);
}

.flow__step {
  font-size: var(--text-small);
  letter-spacing: var(--tracking-wider);
  color: var(--color-accent-primary);
  text-transform: uppercase;
  flex-shrink: 0;
  white-space: nowrap;
}

.flow__text {
  line-height: var(--leading-normal);
}

/* ========================================
   Info (開催概要)
   ======================================== */
.info__list {
  margin-bottom: var(--space-lg);
}

.info__row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding: var(--space-sm) 0;
  border-bottom: 1px solid var(--color-border);
}

.info__label {
  font-weight: var(--weight-medium);
  color: var(--color-text-secondary);
  min-width: 7em;
  flex-shrink: 0;
}

.info__value {
  flex: 1;
}

.info__sub {
  font-size: var(--text-small);
  color: var(--color-text-muted);
}

/* 料金表 */
.pricing {
  margin-top: var(--space-lg);
}

.pricing__title {
  font-size: var(--text-h3);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  margin-bottom: var(--space-md);
  text-align: center;
}

.pricing__note {
  font-size: var(--text-small);
  font-weight: var(--weight-regular);
  color: var(--color-text-muted);
  font-family: var(--font-body);
}

.pricing__table-wrap {
  overflow-x: auto;
}

.pricing__table {
  width: 100%;
  border-collapse: collapse;
  text-align: center;
}

.pricing__table th,
.pricing__table td {
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-border);
}

.pricing__table th {
  background: var(--color-bg-secondary);
  font-weight: var(--weight-medium);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  letter-spacing: var(--tracking-wide);
}

.pricing__table td {
  font-family: var(--font-accent);
  font-size: clamp(1rem, 2vw, 1.25rem);
  font-weight: var(--weight-regular);
}

.pricing__label {
  font-family: var(--font-body);
  font-size: var(--text-small);
  color: var(--color-text-secondary);
  text-align: left;
}

/* ========================================
   Notes (注意事項)
   ======================================== */
.notes__group {
  margin-bottom: var(--space-lg);
}

.notes__group:last-child {
  margin-bottom: 0;
}

.notes__subtitle {
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-sm);
  padding-bottom: var(--space-xs);
  border-bottom: 1px solid var(--color-border);
}

.notes__list li {
  padding: var(--space-xs) 0;
  padding-left: 1.2em;
  position: relative;
  color: var(--color-text-secondary);
  font-size: var(--text-small);
  line-height: var(--leading-normal);
}

.notes__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.8em;
  width: 4px;
  height: 4px;
  background: var(--color-accent-primary);
  border-radius: 50%;
}

/* ========================================
   FAQ
   ======================================== */
.faq__list {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  padding: var(--space-md) 0;
  cursor: pointer;
  font-weight: var(--weight-medium);
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: color var(--transition-fast);
}

.faq__question::-webkit-details-marker {
  display: none;
}

.faq__question::after {
  content: "+";
  font-family: var(--font-accent);
  font-size: 1.5rem;
  font-weight: var(--weight-light);
  color: var(--color-text-muted);
  flex-shrink: 0;
  margin-left: var(--space-sm);
  transition: transform var(--transition-normal), color var(--transition-fast);
}

details[open] .faq__question::after {
  content: "-";
  color: var(--color-accent-primary);
}

.faq__question:hover {
  color: var(--color-accent-glow);
}

.faq__answer {
  padding: 0 0 var(--space-md) 0;
  color: var(--color-text-secondary);
  line-height: var(--leading-normal);
}

/* ========================================
   Credits
   ======================================== */
.credits__list {
  max-width: 500px;
  margin: 0 auto;
}

.credits__row {
  display: flex;
  gap: var(--space-sm);
  padding: var(--space-xs) 0;
  font-size: var(--text-small);
}

.credits__row dt {
  color: var(--color-text-muted);
  min-width: 14em;
  flex-shrink: 0;
}

.credits__row dd {
  color: var(--color-text-secondary);
}

/* ========================================
   Footer
   ======================================== */
.footer {
  padding: var(--space-xl) var(--content-padding) var(--space-lg);
  text-align: center;
  border-top: 1px solid var(--color-border);
  background: var(--color-bg-primary);
}

.footer__logo {
  font-size: var(--text-h3);
  font-weight: var(--weight-light);
  letter-spacing: var(--tracking-wider);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-sm);
}

.footer__copy {
  font-size: var(--text-caption);
  color: var(--color-text-muted);
  line-height: var(--leading-normal);
}

.footer__production-link {
  display: inline-block;
  margin-top: var(--space-md);
  transition: opacity var(--transition-fast);
}

.footer__production-link:hover {
  opacity: 0.7;
}

.footer__production-logo {
  height: 2rem;
  width: auto;
}

/* ========================================
   CTA Float (追従ボタン)
   ======================================== */
.cta-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0.875rem 1.75rem;
  background: var(--color-accent-primary);
  color: var(--color-text-primary);
  font-family: var(--font-body);
  font-size: var(--text-small);
  font-weight: var(--weight-medium);
  letter-spacing: var(--tracking-wide);
  border-radius: 0.25rem;
  overflow: hidden;
  transition: background var(--transition-fast), transform var(--transition-fast);
  opacity: 0;
  transform: translateY(1rem);
  pointer-events: none;
}

.cta-float.is-visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.cta-float:hover {
  background: var(--color-accent-glow);
}

.cta-float__glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at center, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  animation: ctaPulse 3s ease-in-out infinite;
  pointer-events: none;
}

@keyframes ctaPulse {
  0%, 100% { opacity: 0; }
  50% { opacity: 1; }
}

/* ========================================
   Responsive — スマホ最適化
   ======================================== */
@media (max-width: 640px) {
  /* トークン上書き */
  :root {
    --section-gap: 2.75rem;
    --space-md: 1.25rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --content-padding: 1.25rem;
  }

  /* Section heading */
  .section__heading {
    margin-bottom: var(--space-md);
  }

  /* Synopsis */
  .synopsis__quote {
    font-size: 1rem;
    padding: var(--space-sm) 0;
    margin: var(--space-sm) 0;
  }

  /* Features */
  .features__list {
    gap: var(--space-md);
  }

  .features__item {
    flex-direction: column;
    gap: var(--space-sm);
    padding-bottom: var(--space-md);
  }

  .features__number {
    font-size: 1.25rem;
  }

  /* Flow */
  .flow__item {
    gap: var(--space-sm);
    padding: var(--space-sm);
  }

  /* Info */
  .info__row {
    flex-direction: column;
    gap: 0.25rem;
  }

  .info__label {
    min-width: auto;
    font-size: var(--text-small);
  }

  /* Pricing */
  .pricing__table th,
  .pricing__table td {
    padding: 0.625rem 0.5rem;
    font-size: 0.75rem;
  }

  /* FAQ: タップ領域確保 */
  .faq__question {
    padding: 1rem 0;
    min-height: 48px;
    font-size: var(--text-body);
  }

  .faq__answer {
    font-size: var(--text-small);
  }

  /* Credits */
  .credits__row {
    flex-direction: column;
    gap: 0.15rem;
  }

  .credits__row dt {
    min-width: auto;
  }

  /* Buttons: タップ領域確保 */
  .email-close,
  .bank-close {
    min-height: 48px;
    width: 100%;
    max-width: 280px;
  }

  /* CTA Float: 横幅を広げてタップしやすく */
  .cta-float {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
    border-radius: 0.375rem;
    padding: 1rem 1.5rem;
    font-size: var(--text-body);
  }

  /* Footer */
  .footer {
    padding: var(--space-lg) var(--content-padding) var(--space-md);
  }
}