@charset "utf-8";
/* =============================================================================
   結晶の森 VSL型LP
   -----------------------------------------------------------------------------
   設計方針
   - 背景は「深い紺 → 夜明け前 → 生成り」の一本の弧。セクションごとに色を
     散らさないため、各セクションのグラデーションは前後の端の色を必ず引き継ぐ。
   - 幻想（AI画像）は上半分、現実（実物写真）は下半分。実物の場所は装飾を落とす。
   - 装飾はすべて「気配」の強度。金は罫線と極薄い光にだけ使い、文字には
     明るい面では使わない（コントラスト不足になるため gold-ink を用意）。
   - 外部フォント・外部スクリプトは読み込まない（CWVとCSP事故の回避）。
   ========================================================================== */

:root {
  --ivory: #F8F5EE;
  --deep-navy: #07141C;
  --midnight: #0B1722;
  --soft-gold: #C8A96B;
  --pale-gold: #E7D7AF;
  --lavender: #B9A5D3;
  --pale-aqua: #B9DADC;
  --text-dark: #312A25;
  /* 生成り(#F8F5EE)の上で4.5:1を満たす明度まで落としている。
     指定値の #7A726A は 4.34:1 でAAに1歩足りなかった（2026-08-18 実測）。 */
  --muted: #6B645B;

  /* 明るい面で使える金（--soft-goldは生成り背景でコントラスト不足） */
  --gold-ink: #7A6231;
  /* 暗い面の本文・補助文字 */
  --on-dark: rgba(248, 245, 238, 0.94);
  --on-dark-muted: rgba(248, 245, 238, 0.70);

  --serif: "Yu Mincho", YuMincho, "Hiragino Mincho ProN", "Hiragino Mincho Pro",
           "Noto Serif JP", "Shippori Mincho", "BIZ UDMincho", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN",
          "Hiragino Sans", "Noto Sans JP", "Yu Gothic", YuGothic, Meiryo, sans-serif;

  --maxw: 1100px;
  --maxw-narrow: 720px;
  --pad: 22px;

  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
}

*, *::before, *::after { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--deep-navy);
  color: var(--on-dark);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.95;
  letter-spacing: 0.02em;
  overflow-x: hidden;
  font-feature-settings: "palt" 1;
}

img, picture, video, canvas, svg { display: block; max-width: 100%; }
/* width/height属性はCSSのheightより弱いが、指定がないと属性値(720px)が効いて
   aspect-ratioが無視される。videoにもheight:autoを効かせる。 */
img, video { height: auto; }

a { color: inherit; }

h1, h2, h3 { font-family: var(--serif); font-weight: 500; line-height: 1.7; margin: 0; }
p { margin: 0; }
ol, ul { margin: 0; padding: 0; list-style: none; }

.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }
.container--narrow { max-width: var(--maxw-narrow); }

/* スマホだけ改行する（広い画面では詰める） */
.br-sp { display: inline; }
@media (min-width: 700px) { .br-sp { display: none; } }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; margin: -1px; padding: 0;
  overflow: hidden; clip-path: inset(50%); white-space: nowrap;
}

.skip-link {
  position: absolute; left: 50%; top: 8px; transform: translate(-50%, -160%);
  z-index: 90; padding: 10px 18px; border-radius: 4px;
  background: var(--midnight); color: var(--ivory);
  border: 1px solid var(--soft-gold); font-size: 14px; text-decoration: none;
}
.skip-link:focus { transform: translate(-50%, 0); }

:where(a, button, summary, [tabindex]):focus-visible {
  outline: 2px solid var(--pale-gold);
  outline-offset: 3px;
  border-radius: 3px;
}

/* --- 公開前チェック（URL未設定の警告）---------------------------------- */
.config-warning {
  position: sticky; top: 0; z-index: 80;
  background: #6B1C1C; color: #FFF3F3;
  font-family: var(--sans); font-size: 13px; line-height: 1.7;
  padding: 10px 16px; text-align: center;
}

/* --- 全面の気配（粒子・ヴィネット）------------------------------------- */
.page-atmos { position: fixed; inset: 0; z-index: 1; pointer-events: none; }
.particles { width: 100%; height: 100%; opacity: 0.5; }

/* 金の粒子は「幻想」の側だけに置く。実物写真から下（生成りの面）では消す。
   対応ブラウザだけの効果で、非対応でも粒子は極薄なので破綻しない。 */
@supports (animation-timeline: scroll(root)) {
  @media (prefers-reduced-motion: no-preference) {
    .particles {
      animation: particlesFade linear both;
      animation-timeline: scroll(root);
    }
    @keyframes particlesFade {
      0%, 40% { opacity: 0.5; }
      54%     { opacity: 0; }
      100%    { opacity: 0; }
    }
  }
}

/* =============================================================================
   01 HERO
   ========================================================================== */
.hero {
  position: relative; z-index: 2;
  padding: clamp(30px, 7vw, 64px) 0 clamp(18px, 4vw, 30px);
  background: linear-gradient(180deg, #051016 0%, #07141C 55%, #0A1620 100%);
  overflow: hidden;
}
.hero__image { position: absolute; inset: 0; z-index: -1; }
.hero__image img {
  width: 100%; height: 100%; object-fit: cover; object-position: 50% 42%;
  opacity: 0.22;
  filter: saturate(0.78) contrast(0.92) blur(1.4px);
  transform: scale(1.02);
}
/* 上下を沈めて、金の発光が主張しすぎないようにする */
.hero__image::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(120% 90% at 50% 38%, rgba(7,20,28,0.18) 0%, rgba(7,20,28,0.72) 62%, rgba(7,20,28,0.94) 100%),
    linear-gradient(180deg, rgba(5,16,22,0.85) 0%, rgba(5,16,22,0) 34%, rgba(10,22,32,0.9) 100%);
}

.hero__inner { position: relative; text-align: center; }

.brand {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
  margin-bottom: clamp(20px, 5vw, 34px);
}
/* ロゴは生成りの円形エンブレムとして置く。紺地の上に浮かぶ「印」に見せる。
   元画像は正方形の生成り背景なので、円形に切って外周に金の細い輪と
   ごく淡い光を足している（画像そのものは加工していない）。 */
.brand__emblem {
  position: relative;
  display: block;
  width: clamp(124px, 34vw, 190px);
  aspect-ratio: 1;
  border-radius: 50%;
  overflow: hidden;
  box-shadow:
    0 0 0 1px rgba(231, 215, 175, 0.45),
    0 0 60px -12px rgba(231, 215, 175, 0.35),
    0 18px 46px -22px rgba(0, 0, 0, 0.9);
}
.brand__emblem img { width: 100%; height: 100%; object-fit: cover; }
/* 紺地から浮きすぎないよう、ごくわずかに沈める */
.brand__emblem::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  background: radial-gradient(70% 70% at 50% 30%, rgba(7,20,28,0) 0%, rgba(7,20,28,0.10) 100%);
}
.brand__sub {
  font-size: 10px; letter-spacing: 0.36em; text-indent: 0.36em;
  color: var(--on-dark-muted);
}

.hero__lead {
  font-size: clamp(20px, 5.6vw, 33px);
  line-height: 2.05; letter-spacing: 0.06em;
  color: var(--ivory);
  text-shadow: 0 2px 22px rgba(5, 16, 22, 0.85);
}
.hero__lead span { display: block; }

.hero__note {
  margin-top: clamp(18px, 4.5vw, 26px);
  font-size: clamp(12px, 3.4vw, 14px);
  /* 字送りは0.14emだと390pxで2行目が「です。」だけ溢れるため、この一文だけ詰める */
  letter-spacing: 0.06em;
  line-height: 1.9;
  color: var(--on-dark-muted);
}

.hero__scroll { margin: clamp(16px, 4vw, 26px) auto 0; width: 1px; height: 46px; overflow: hidden; }
.hero__scroll span {
  display: block; width: 1px; height: 46px;
  background: linear-gradient(180deg, rgba(200,169,107,0) 0%, rgba(200,169,107,0.85) 55%, rgba(200,169,107,0) 100%);
  animation: scrollhint 3.8s var(--ease) infinite;
}
@keyframes scrollhint {
  0%   { transform: translateY(-100%); opacity: 0; }
  35%  { opacity: 1; }
  100% { transform: translateY(100%); opacity: 0; }
}

/* =============================================================================
   02 VIDEO
   ========================================================================== */
.video-section {
  position: relative; z-index: 2;
  padding: clamp(6px, 2vw, 14px) 0 clamp(40px, 9vw, 78px);
  background: linear-gradient(180deg, #0A1620 0%, #091620 40%, #0D1B26 100%);
  overflow: hidden;
}
.video-section__atmos { position: absolute; inset: 0; z-index: -1; }
.video-section__atmos img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.16; filter: blur(26px) saturate(0.7);
  transform: scale(1.12);
}
.video-section__atmos::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(90% 60% at 50% 30%, rgba(185,218,220,0.05) 0%, rgba(7,20,28,0.7) 60%, rgba(7,20,28,0.92) 100%);
}
/* 月の円環（極薄） */
.moon-ring {
  position: absolute; left: 50%; top: clamp(-90px, -12vw, -40px);
  width: min(78vw, 620px); aspect-ratio: 1; transform: translateX(-50%);
  border-radius: 50%;
  border: 1px solid rgba(231, 215, 175, 0.12);
  box-shadow: inset 0 0 90px rgba(231, 215, 175, 0.05);
}

.video-wrap { max-width: 1020px; }

/* --- プレイヤー ---------------------------------------------------------- */
.player {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  background: #040D12;
  border: 1px solid rgba(231, 215, 175, 0.22);
  box-shadow:
    0 0 0 1px rgba(7, 20, 28, 0.6),
    0 26px 70px -24px rgba(0, 0, 0, 0.9),
    0 0 90px -30px rgba(231, 215, 175, 0.22);
}
@media (min-width: 700px) { .player { border-radius: 18px; } }

.player__video { width: 100%; aspect-ratio: 16 / 9; background: #040D12; object-fit: contain; }

/* 大きい再生ボタン */
.player__bigplay {
  position: absolute; inset: 0; margin: 0; padding: 0;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  background: radial-gradient(60% 60% at 50% 50%, rgba(4,13,18,0.30) 0%, rgba(4,13,18,0.62) 100%);
  border: 0; cursor: pointer; color: var(--ivory);
  transition: opacity 0.5s var(--ease), visibility 0.5s;
}
.player__bigplay-ring {
  position: absolute; width: 96px; height: 96px; border-radius: 50%;
  border: 1px solid rgba(231, 215, 175, 0.55);
  box-shadow: 0 0 40px rgba(231, 215, 175, 0.18), inset 0 0 30px rgba(231, 215, 175, 0.08);
  transition: transform 0.7s var(--ease), box-shadow 0.7s var(--ease);
}
.player__bigplay svg { position: relative; margin-left: 5px; }

.player__bigplay:hover .player__bigplay-ring { transform: scale(1.06); box-shadow: 0 0 60px rgba(231,215,175,0.28), inset 0 0 34px rgba(231,215,175,0.12); }
.player[data-state="playing"] .player__bigplay,
.player[data-state="paused"] .player__bigplay { opacity: 0; visibility: hidden; }

/* preload="none" のため、タップしてから最初の映像が出るまで一拍ある。
   その間だけ再生アイコンの輪をゆっくり明滅させる（無反応に見せないため）。 */
.player[data-loading="1"] .player__bigplay-ring { animation: loadingRing 1.4s ease-in-out infinite; }
.player[data-loading="1"] .player__bigplay svg { opacity: 0.45; }
@keyframes loadingRing {
  0%, 100% { opacity: 0.35; transform: scale(0.97); }
  50%      { opacity: 1;    transform: scale(1.04); }
}

/* コントロール */
.player__controls {
  position: absolute; left: 0; right: 0; bottom: 0;
  display: flex; align-items: center; gap: 8px;
  padding: 22px 10px 8px;
  background: linear-gradient(180deg, rgba(4,13,18,0) 0%, rgba(4,13,18,0.72) 45%, rgba(4,13,18,0.9) 100%);
  opacity: 0; visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s;
}
.player[data-state="playing"] .player__controls,
.player[data-state="paused"] .player__controls { opacity: 1; visibility: visible; }
.player[data-state="playing"][data-idle="1"] .player__controls { opacity: 0; }
.player[data-state="playing"][data-idle="1"]:focus-within .player__controls { opacity: 1; }

.ctl {
  flex: 0 0 auto; display: grid; place-items: center;
  width: 38px; height: 38px; padding: 0;
  background: none; border: 0; border-radius: 50%;
  color: var(--ivory); cursor: pointer;
  transition: background-color 0.25s var(--ease);
}
.ctl:hover { background: rgba(248, 245, 238, 0.1); }
.i-pause, .i-muted { display: none; }
.player[data-state="playing"] .i-play { display: none; }
.player[data-state="playing"] .i-pause { display: block; }
.player[data-muted="1"] .i-sound { display: none; }
.player[data-muted="1"] .i-muted { display: block; }

.seek { flex: 1 1 auto; padding: 12px 4px; cursor: pointer; touch-action: none; }
.seek__track { position: relative; height: 3px; border-radius: 2px; background: rgba(248, 245, 238, 0.22); }
.seek__buffer, .seek__played {
  position: absolute; left: 0; top: 0; bottom: 0; border-radius: 2px; width: 0;
}
.seek__buffer { background: rgba(248, 245, 238, 0.2); }
.seek__played { background: linear-gradient(90deg, var(--soft-gold), var(--pale-gold)); }
.seek__knob {
  position: absolute; top: 50%; left: 0; width: 11px; height: 11px; margin-left: -5.5px;
  transform: translateY(-50%) scale(0.9); border-radius: 50%;
  background: var(--pale-gold); box-shadow: 0 0 12px rgba(231, 215, 175, 0.6);
  transition: transform 0.2s var(--ease);
}
.seek:hover .seek__knob, .seek:focus-visible .seek__knob { transform: translateY(-50%) scale(1.25); }

.time {
  flex: 0 0 auto; font-size: 11.5px; letter-spacing: 0.06em;
  color: rgba(248, 245, 238, 0.82); font-variant-numeric: tabular-nums;
  white-space: nowrap;
}
.time__sep { margin: 0 4px; opacity: 0.5; }

.vol { display: none; }
@media (min-width: 760px) {
  .vol {
    display: block; flex: 0 0 74px; width: 74px; height: 3px; margin: 0 2px;
    -webkit-appearance: none; appearance: none; background: rgba(248,245,238,0.24);
    border-radius: 2px; cursor: pointer;
  }
  .vol::-webkit-slider-thumb {
    -webkit-appearance: none; width: 10px; height: 10px; border-radius: 50%;
    background: var(--pale-gold); border: 0;
  }
  .vol::-moz-range-thumb { width: 10px; height: 10px; border: 0; border-radius: 50%; background: var(--pale-gold); }
}

.video-caption {
  margin-top: 16px; text-align: center;
  font-size: 11.5px; letter-spacing: 0.1em; color: var(--on-dark-muted);
}

/* =============================================================================
   CTA（動画の直下）
   ========================================================================== */
.cta-slot { margin-top: 0; }

.cta { text-align: center; margin-top: clamp(28px, 7vw, 54px); }
.cta[hidden] { display: none; }

/* 動画を最後まで見た人にだけ出す、下向きの薄い光（自動スクロールはしない） */
.cta--afterend { position: relative; }
.cta--afterend::before {
  content: ""; position: absolute; left: 50%; top: -34px;
  width: 1px; height: 26px; transform: translateX(-50%);
  background: linear-gradient(180deg, rgba(231,215,175,0), rgba(231,215,175,0.85));
  animation: endhint 3.2s var(--ease) infinite;
}
@keyframes endhint {
  0%   { opacity: 0; transform: translate(-50%, -8px); }
  40%  { opacity: 1; }
  100% { opacity: 0; transform: translate(-50%, 8px); }
}

/* 出現アニメーション（600〜900ms） */
.cta--revealing { animation: ctaIn 820ms var(--ease) both; }
@keyframes ctaIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: none; }
}

.cta__frame {
  position: relative;
  padding: clamp(30px, 7vw, 52px) clamp(20px, 5vw, 44px);
  border: 1px solid rgba(231, 215, 175, 0.3);
  border-radius: 6px;
  background:
    radial-gradient(120% 100% at 50% 0%, rgba(231, 215, 175, 0.075) 0%, rgba(231, 215, 175, 0) 62%),
    rgba(6, 17, 24, 0.55);
  box-shadow: 0 0 70px -34px rgba(231, 215, 175, 0.5);
}
/* 四隅の金の気配 */
.cta__frame::before, .cta__frame::after {
  content: ""; position: absolute; width: 26px; height: 26px; pointer-events: none;
  border: 1px solid rgba(231, 215, 175, 0.5);
}
.cta__frame::before { top: -1px; left: -1px; border-width: 1px 0 0 1px; }
.cta__frame::after  { bottom: -1px; right: -1px; border-width: 0 1px 1px 0; }

.cta__eyebrow {
  font-size: 11px; letter-spacing: 0.34em; text-indent: 0.34em;
  color: var(--pale-gold);
}
.cta__title {
  margin-top: 16px;
  font-size: clamp(21px, 5.6vw, 30px); line-height: 1.95; letter-spacing: 0.05em;
  color: var(--ivory);
}
.cta__title--sm { font-size: clamp(18px, 4.8vw, 24px); }
.cta__body {
  margin-top: 16px; font-size: clamp(13px, 3.6vw, 15px);
  line-height: 2.1; color: var(--on-dark-muted);
}
.cta__meta {
  margin-top: 14px; font-size: 11px; letter-spacing: 0.08em;
  color: rgba(248, 245, 238, 0.5);
}
/* LINE側の補足はPrimaryより一段弱く */
.cta--line .cta__meta { margin-top: 12px; font-size: 10px; color: rgba(248, 245, 238, 0.38); }

/* ボタン */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  margin-top: clamp(22px, 5vw, 30px);
  min-height: 56px; padding: 16px clamp(26px, 6vw, 46px);
  font-family: var(--serif); font-size: clamp(15px, 4.2vw, 18px);
  letter-spacing: 0.16em; text-indent: 0.16em; text-decoration: none;
  border-radius: 3px; cursor: pointer;
  transition: box-shadow 0.55s var(--ease), background-color 0.55s var(--ease), transform 0.35s var(--ease);
}
.btn--primary {
  color: var(--ivory);
  background: linear-gradient(180deg, #10222D 0%, #0A1822 100%);
  border: 1px solid var(--soft-gold);
  box-shadow: 0 0 0 rgba(231, 215, 175, 0);
}
.btn--primary:hover {
  background: linear-gradient(180deg, #16303E 0%, #0D1F2B 100%);
  box-shadow: 0 0 34px -6px rgba(231, 215, 175, 0.4);
}
.btn--primary:active { transform: translateY(1px); }

/* Primaryは出口。幅の基準はこちら。 */
.btn--primary { width: min(100%, 300px); }
.btn--lg { min-height: 62px; width: min(100%, 300px); max-width: none; }

.btn--line {
  /* 緑はLINEの指定色をそのまま使う（白文字との比は2.26でWCAG AAに届かないが、
     見慣れた配色から離すほうが不信感につながるため、ブランド色を優先する。
     代わりに太字＋影＋縁で輪郭を補強している）。 */
  color: #FFFFFF; background: #06C755;
  border: 1px solid rgba(0, 0, 0, 0.16);
  font-family: var(--sans); font-weight: 700;
  font-size: clamp(13px, 3.5vw, 15px); letter-spacing: 0.08em;
  text-shadow: 0 1px 2px rgba(0, 60, 24, 0.45);
  /* 2026-08-18: 構造上はSecondaryなのに緑が画面内で最も強く見えていたため、
     色は変えずに面積で格を下げる。Primaryの78%幅・一段低い高さ。
     「第二の購入ボタン」に見せないための調整。 */
  width: min(78%, 234px);
  min-height: 48px;
  padding: 12px 20px;
  margin-top: 36px;
}
.btn--line:hover { background: #05B34C; box-shadow: 0 0 30px -8px rgba(6, 199, 85, 0.55); }

.cta--line {
  margin-top: clamp(26px, 6vw, 40px);
  padding-top: clamp(26px, 6vw, 36px);
  border-top: 1px solid rgba(231, 215, 175, 0.14);
}

/* =============================================================================
   03 ABOUT
   ========================================================================== */
.section-eyebrow {
  font-size: 10.5px; letter-spacing: 0.36em; text-indent: 0.36em;
  color: var(--pale-gold); text-align: center;
}
.section-title {
  margin-top: 18px; margin-bottom: clamp(30px, 7vw, 50px);
  font-size: clamp(21px, 5.4vw, 30px); line-height: 1.9; letter-spacing: 0.05em;
  text-align: center; color: var(--ivory);
}
.section-title::after {
  content: ""; display: block; width: 44px; height: 1px; margin: clamp(20px, 4vw, 26px) auto 0;
  background: linear-gradient(90deg, rgba(200,169,107,0), rgba(200,169,107,0.8), rgba(200,169,107,0));
}

.about {
  position: relative; z-index: 2;
  padding: clamp(64px, 13vw, 118px) 0;
  background: linear-gradient(180deg, #0D1B26 0%, #101F2A 46%, #16252F 100%);
}
.about__grid { display: grid; gap: clamp(28px, 6vw, 44px); }
.about__text > p + p { margin-top: 1.5em; }
.about__text p { font-size: clamp(14px, 3.8vw, 15.5px); color: var(--on-dark); }
.about__deny {
  padding-top: 1.4em; border-top: 1px solid rgba(231, 215, 175, 0.14);
  color: var(--on-dark-muted);
}
.about__figure { margin: 0; }
.about__figure img {
  width: 100%; border-radius: 4px;
  border: 1px solid rgba(231, 215, 175, 0.16);
  filter: saturate(0.9) brightness(0.94);
}
@media (min-width: 900px) {
  .about__grid { grid-template-columns: 1.15fr 0.85fr; align-items: center; }
}

/* =============================================================================
   04 三つの見方
   ========================================================================== */
.lenses {
  position: relative; z-index: 2;
  padding: clamp(64px, 13vw, 118px) 0 clamp(74px, 15vw, 130px);
  background: linear-gradient(180deg, #16252F 0%, #22323C 55%, #3A4650 100%);
}
.lens-list { display: grid; gap: clamp(30px, 7vw, 40px); }
.lens {
  display: grid; gap: 18px;
  padding-bottom: clamp(28px, 6vw, 36px);
  border-bottom: 1px solid rgba(231, 215, 175, 0.12);
}
.lens:last-child { border-bottom: 0; padding-bottom: 0; }
.lens__fig { margin: 0; overflow: hidden; border-radius: 4px; }
.lens__fig img {
  width: 100%; aspect-ratio: 16 / 10; object-fit: cover;
  border: 1px solid rgba(231, 215, 175, 0.14);
  border-radius: 4px;
  filter: saturate(0.92);
  transition: transform 1.6s var(--ease);
}
.lens:hover .lens__fig img { transform: scale(1.03); }
.lens__no {
  font-family: var(--serif); font-size: 12px; letter-spacing: 0.24em;
  color: var(--pale-gold); opacity: 0.9;
}
.lens__name {
  margin-top: 6px; font-size: clamp(19px, 5vw, 23px); letter-spacing: 0.14em;
  color: var(--ivory);
}
.lens__body p:last-child {
  margin-top: 12px; font-size: clamp(13.5px, 3.7vw, 15px); color: var(--on-dark);
}
.lens-close {
  margin-top: clamp(38px, 8vw, 56px); text-align: center;
  font-family: var(--serif); font-size: clamp(16px, 4.4vw, 21px);
  line-height: 2.1; letter-spacing: 0.06em; color: var(--ivory);
}
@media (min-width: 820px) {
  .lens { grid-template-columns: 0.9fr 1.1fr; gap: 34px; align-items: center; }
  .lens:nth-child(even) .lens__fig { order: 2; }
}

/* =============================================================================
   夜明け前（幻想 → 現実の境目）
   ========================================================================== */
.proof {
  position: relative; z-index: 2;
  padding: 0 0 clamp(70px, 14vw, 120px);
  /* 夜明けの帯は「セクションの高さの%」ではなく固定pxで終わらせる。
     %にすると、セクションが縦に長い時に生成りが間に合わず、
     明るい面向けの文字色が暗い背景に乗ってしまう（2026-08-18に実機で確認）。 */
  background-color: #F8F5EE;
  /* 2026-08-18: 帯を420px→170pxへ。文字が乗る位置までに生成りへ到達させる。
     420pxのままだと「実物」のeyebrow(--gold-ink)が灰色の途中に乗り、
     コントラストが2.79:1でAA不適合だった（実測）。 */
  background-image: linear-gradient(180deg,
    #3A4650 0px, #808790 45px, #D6D3C9 100px, #F8F5EE 170px);
  background-repeat: no-repeat;
  background-size: 100% 170px;
  color: var(--text-dark);
}
.proof::before {
  /* 夜明けの一筋 */
  /* 高さは 200〜280px → 150〜190px。
     光は0.30だと薄すぎて「意図的な演出」に見えず、画像の読み込み失敗と誤読されたため0.50へ。 */
  content: ""; display: block; height: clamp(150px, 20vw, 190px);
  background: radial-gradient(80% 100% at 50% 100%, rgba(231, 215, 175, 0.50) 0%, rgba(231, 215, 175, 0) 74%);
}
.proof .section-eyebrow { color: var(--gold-ink); }
.proof .section-title { color: var(--text-dark); }
.proof__lead {
  max-width: 620px; margin: -14px auto 0; text-align: center;
  font-size: clamp(13.5px, 3.7vw, 15px); color: var(--muted);
}
.proof__grid {
  display: grid; gap: 18px;
  margin-top: clamp(34px, 7vw, 52px);
  grid-template-columns: 1fr;
}
@media (min-width: 560px) { .proof__grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 900px) { .proof__grid { grid-template-columns: repeat(3, 1fr); gap: 22px; } }
.proof__item figure { margin: 0; }
.proof__item img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover;
  border-radius: 3px;
  border: 1px solid rgba(49, 42, 37, 0.12);
  background: #E7E3DA;
}
.proof__item figcaption {
  margin-top: 12px; font-size: 13px; line-height: 1.8; color: var(--text-dark);
}
.proof__item figcaption span {
  display: block; margin-top: 2px; font-size: 11.5px; color: var(--muted);
}
.proof__note {
  max-width: 620px; margin: clamp(34px, 7vw, 48px) auto 0;
  padding-top: 22px; border-top: 1px solid rgba(49, 42, 37, 0.12);
  font-size: 12.5px; line-height: 2; color: var(--muted); text-align: center;
}

/* =============================================================================
   05 FAQ
   ========================================================================== */
.faq {
  position: relative; z-index: 2;
  padding: clamp(58px, 12vw, 104px) 0;
  background: linear-gradient(180deg, #F8F5EE 0%, #F5F1E8 100%);
  color: var(--text-dark);
}
.faq .section-eyebrow { color: var(--gold-ink); }
.faq .section-title { color: var(--text-dark); }
.faq__list { border-top: 1px solid rgba(49, 42, 37, 0.14); }
.faq__item { border-bottom: 1px solid rgba(49, 42, 37, 0.14); }
.faq__item summary {
  display: flex; align-items: center; gap: 12px;
  padding: 20px 4px; cursor: pointer;
  font-family: var(--serif); font-size: clamp(15px, 4.1vw, 17px);
  letter-spacing: 0.06em; list-style: none;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::before {
  content: ""; flex: 0 0 auto; width: 11px; height: 11px;
  border-right: 1px solid var(--gold-ink); border-bottom: 1px solid var(--gold-ink);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.35s var(--ease);
}
.faq__item[open] summary::before { transform: rotate(225deg) translateY(-2px); }
.faq__a { padding: 0 4px 22px 27px; }
.faq__a p { font-size: 13.5px; line-height: 2.05; color: var(--muted); }

/* =============================================================================
   06 最終CTA
   ========================================================================== */
.final {
  position: relative; z-index: 2; overflow: hidden;
  padding: clamp(60px, 12vw, 110px) 0 clamp(66px, 13vw, 120px);
  background: linear-gradient(180deg, #F5F1E8 0%, #EFEBE0 60%, #E9E4D7 100%);
}
.final__atmos { position: absolute; inset: 0; z-index: -1; }
.final__atmos img {
  width: 100%; height: 100%; object-fit: cover;
  opacity: 0.14; filter: blur(2px) saturate(0.85);
}
.final__atmos::after {
  content: ""; position: absolute; inset: 0;
  background: radial-gradient(100% 70% at 50% 40%, rgba(248,245,238,0.55) 0%, rgba(245,241,232,0.9) 70%);
}
.final__card {
  position: relative; text-align: center;
  padding: clamp(34px, 8vw, 60px) clamp(20px, 5vw, 48px);
  border-radius: 8px;
  border: 1px solid rgba(200, 169, 107, 0.5);
  background: linear-gradient(180deg, #0C1A24 0%, #07141C 100%);
  box-shadow: 0 30px 80px -40px rgba(7, 20, 28, 0.7);
}
.final__card .cta__title { color: var(--ivory); }
.final__divider {
  width: 100%; height: 1px; margin: clamp(30px, 7vw, 44px) 0 clamp(22px, 5vw, 28px);
  background: linear-gradient(90deg, rgba(231,215,175,0), rgba(231,215,175,0.28), rgba(231,215,175,0));
}
.final__sub { font-size: 11.5px; letter-spacing: 0.12em; color: rgba(248, 245, 238, 0.55); }
.final__card .btn--line { margin-top: 16px; }

/* =============================================================================
   FOOTER
   ========================================================================== */
.foot {
  position: relative; z-index: 2;
  padding: clamp(46px, 9vw, 72px) 0 calc(clamp(46px, 9vw, 72px) + env(safe-area-inset-bottom));
  background: #E9E4D7; color: var(--text-dark); text-align: center;
}
.foot__brand {
  font-family: var(--serif); font-size: 15px;
  letter-spacing: 0.42em; text-indent: 0.42em; color: var(--gold-ink);
}
.foot__note {
  max-width: 620px; margin: 22px auto 0;
  font-size: 11.5px; line-height: 2; color: var(--muted);
}
.foot__links { margin-top: 26px; font-size: 12px; }
.foot__links a { color: var(--muted); text-decoration: none; border-bottom: 1px solid rgba(122,114,106,0.4); }
body.has-sticky .foot { padding-bottom: calc(clamp(46px, 9vw, 72px) + 60px + env(safe-area-inset-bottom)); }

/* =============================================================================
   sticky CTA（Primary解放後のみ・スマホ）
   ========================================================================== */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 70;
  padding: 6px 12px calc(6px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(7, 20, 28, 0.86) 0%, rgba(7, 20, 28, 0.97) 100%);
  border-top: 1px solid rgba(200, 169, 107, 0.45);
  backdrop-filter: blur(8px);
  animation: stickyIn 500ms var(--ease) both;
}
.sticky-cta[hidden] { display: none; }
@keyframes stickyIn { from { transform: translateY(100%); } to { transform: none; } }
.sticky-cta__btn {
  display: flex; align-items: center; justify-content: center;
  height: 52px; border-radius: 3px; text-decoration: none;
  font-family: var(--serif); font-size: 15px; letter-spacing: 0.16em; text-indent: 0.16em;
  color: var(--ivory); border: 1px solid var(--soft-gold);
  background: linear-gradient(180deg, #12242F 0%, #0A1822 100%);
}
@media (min-width: 820px) { .sticky-cta { display: none; } }

/* =============================================================================
   noscript
   ========================================================================== */
.noscript-cta {
  position: relative; z-index: 3;
  padding: 40px 0; background: #0D1B26; text-align: center;
  border-top: 1px solid rgba(231, 215, 175, 0.2);
}
.noscript-cta p + p { margin-top: 14px; }
.noscript-cta a { color: var(--pale-gold); }
.noscript-cta__note { font-size: 12px; color: var(--on-dark-muted); }

/* =============================================================================
   スクロールで現れる（テキストは1文字ずつ出さない。文単位のslow fadeだけ）
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(10px); }
.reveal.is-in {
  opacity: 1; transform: none;
  transition: opacity 1.1s var(--ease), transform 1.1s var(--ease);
}
.reveal--delay.is-in { transition-delay: 0.25s; }
.no-js .reveal, .reveal.is-static { opacity: 1; transform: none; }

/* スクロール駆動のごく遅いparallax（対応ブラウザのみ） */
@supports (animation-timeline: view()) {
  @media (prefers-reduced-motion: no-preference) {
    .hero__image img {
      animation: heroDrift linear both;
      animation-timeline: view();
      animation-range: entry 0% exit 100%;
    }
    @keyframes heroDrift {
      from { transform: scale(1.02) translateY(-1.2%); }
      to   { transform: scale(1.07) translateY(1.2%); }
    }
    .final__atmos img {
      animation: ctaDrift linear both;
      animation-timeline: view();
      animation-range: entry 0% exit 100%;
    }
    @keyframes ctaDrift {
      from { transform: scale(1.02) translateY(-1%); }
      to   { transform: scale(1.06) translateY(1%); }
    }
  }
}

/* =============================================================================
   動きを減らす設定
   ========================================================================== */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__scroll { display: none; }
  .particles { display: none; }
}

/* =============================================================================
   印刷
   ========================================================================== */
@media print {
  .page-atmos, .sticky-cta, .player__controls, .player__bigplay { display: none !important; }
  body { background: #fff; color: #000; }
}