@charset "UTF-8";
/* ==================================================================
   第2回 塾レボCamp「初等部革命」LP
   資料①（初等部革命とAI）のトーン：濃紺 × ターコイズシアンのAIテック
   ================================================================== */

:root {
  --bg-0: #04121f;
  --bg-1: #061c2e;
  --bg-2: #0a2a40;
  --bg-3: #0d3550;

  --accent: #2ee6cf;
  --accent-bright: #67f5e4;
  --accent-blue: #38bdf8;
  --alert: #ffb454;

  --text: #f0f9fc;
  --text-soft: #cfe4ef;
  --muted: #9db8c8;
  --on-accent: #04121f;

  --line: rgba(120, 200, 214, 0.22);
  --line-strong: rgba(46, 230, 207, 0.45);
  --panel: rgba(255, 255, 255, 0.045);
  --panel-strong: rgba(255, 255, 255, 0.075);

  --glow: 0 0 42px rgba(46, 230, 207, 0.28);
  --shadow: 0 26px 60px rgba(0, 0, 0, 0.45);
  --shadow-soft: 0 14px 34px rgba(0, 0, 0, 0.32);

  --serif: "Yu Mincho", "YuMincho", "Hiragino Mincho ProN", "Noto Serif JP", serif;
  --sans: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  --max: 1140px;
  --radius: 16px;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 86px;
}

body {
  margin: 0;
  color: var(--text);
  background: var(--bg-0);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.9;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;

  /* 日本語の折り返し: 禁則を厳密に、文節の切れ目で改行する
     （auto-phrase 未対応ブラウザは従来どおりの折り返しにフォールバック） */
  line-break: strict;
  word-break: auto-phrase;
}

/* 見出し・短い主張文は行数を均して、1〜2文字だけの行を作らない */
h1, h2, h3,
.hero-lead, .statement-title, .statement-body,
.formula-result, .formula-note,
.result-case, .result-main, .result-sub,
.urgency-value, .urgency-note,
.official-banner strong, .official-banner em,
.step-kicker, .detail-tagline, .deck-cap,
.speaker-affiliation, .hex-tag, .funnel-row p {
  text-wrap: balance;
}

/* 本文は最終行が極端に短くならないようにする */
p, li, dd, dt,
.step-lead, .step-caption, .speakers-note,
.form-proof-list li, .faq-card p, .hex-card p {
  text-wrap: pretty;
}

/* 途中で割りたくない語句 */
.nowrap { white-space: nowrap; }

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

.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;
}

.skip-link {
  position: fixed; left: 16px; top: 16px; z-index: 1000;
  transform: translateY(-160%);
  padding: 10px 16px; border-radius: 8px;
  background: var(--accent); color: var(--on-accent); font-weight: 700;
}
.skip-link:focus { transform: translateY(0); }

:focus-visible {
  outline: 2px solid var(--accent-bright);
  outline-offset: 3px;
}

.container { width: min(100% - 44px, var(--max)); margin-inline: auto; }
.pc-only { display: none; }
@media (min-width: 861px) { .pc-only { display: inline; } }

/* ---------------------------------------------------------- Header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  gap: 20px; min-height: 68px;
  padding: 10px max(22px, calc((100vw - var(--max)) / 2));
  background: rgba(4, 18, 31, 0.72);
  border-bottom: 1px solid transparent;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background 0.25s ease, border-color 0.25s ease;
}
.site-header.is-scrolled {
  background: rgba(4, 18, 31, 0.93);
  border-bottom-color: var(--line);
}

.brand { display: inline-flex; align-items: center; gap: 11px; min-width: 0; }
.brand-mark {
  display: grid; place-items: center; width: 42px; height: 42px; flex: none;
  border-radius: 11px;
  background: linear-gradient(140deg, var(--accent) 0%, var(--accent-blue) 100%);
  color: var(--on-accent);
  font-weight: 900; font-size: 15px; letter-spacing: 0.04em;
  box-shadow: 0 0 24px rgba(46, 230, 207, 0.35);
}
.brand-copy { display: grid; line-height: 1.35; min-width: 0; }
.brand-name { font-weight: 800; font-size: 15px; letter-spacing: 0.02em; }
.brand-sub {
  font-size: 10.5px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent);
}

.nav-toggle {
  display: none; position: relative; width: 44px; height: 40px;
  border: 1px solid var(--line); border-radius: 10px;
  background: rgba(255, 255, 255, 0.04); cursor: pointer;
}
.nav-toggle span:not(.sr-only) {
  position: absolute; left: 11px; width: 20px; height: 1.6px;
  background: var(--text); border-radius: 2px; transition: transform 0.25s ease, opacity 0.2s ease;
}
.nav-toggle span:nth-child(1) { top: 14px; }
.nav-toggle span:nth-child(2) { top: 19px; }
.nav-toggle span:nth-child(3) { top: 24px; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

.site-nav { display: flex; align-items: center; gap: 22px; font-size: 13.5px; }
.site-nav a { color: var(--text-soft); transition: color 0.2s ease; white-space: nowrap; }
.site-nav a:hover, .site-nav a:focus-visible { color: var(--accent-bright); }
.site-nav .nav-cta {
  padding: 9px 18px; border-radius: 999px;
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-blue) 130%);
  color: var(--on-accent); font-weight: 700;
  box-shadow: 0 0 22px rgba(46, 230, 207, 0.3);
}
.site-nav .nav-cta:hover, .site-nav .nav-cta:focus-visible {
  color: var(--on-accent); filter: brightness(1.08);
}

@media (max-width: 900px) {
  .nav-toggle { display: block; }
  .site-nav {
    position: absolute; inset: 100% 0 auto 0;
    display: grid; gap: 2px; padding: 14px 22px 20px;
    background: rgba(4, 18, 31, 0.98);
    border-bottom: 1px solid var(--line);
    max-height: 0; overflow: hidden; opacity: 0; pointer-events: none;
    transition: max-height 0.3s ease, opacity 0.2s ease, padding 0.3s ease;
  }
  .site-nav.is-open { max-height: 420px; opacity: 1; pointer-events: auto; }
  .site-nav a { padding: 11px 2px; font-size: 15px; border-bottom: 1px solid rgba(255, 255, 255, 0.06); }
  .site-nav .nav-cta { margin-top: 12px; text-align: center; border-bottom: 0; }
}

/* ---------------------------------------------------------- Buttons */
.button {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 30px; border-radius: 999px; border: 1px solid transparent;
  font-size: 15px; font-weight: 700; letter-spacing: 0.02em;
  cursor: pointer; transition: transform 0.2s ease, filter 0.2s ease, background 0.2s ease, border-color 0.2s ease;
}
.button b { font-size: 15px; transition: transform 0.2s ease; }
.button:hover b, .button:focus-visible b { transform: translateX(3px); }
.button-primary {
  background: linear-gradient(120deg, var(--accent) 0%, var(--accent-blue) 135%);
  color: var(--on-accent);
  box-shadow: 0 10px 30px rgba(46, 230, 207, 0.28), var(--glow);
}
.button-primary:hover, .button-primary:focus-visible { filter: brightness(1.08); transform: translateY(-2px); }
.button-primary:disabled { opacity: 0.55; cursor: not-allowed; box-shadow: none; transform: none; filter: none; }
.button-ghost {
  /* 写真の上に置いても沈まないよう、白の薄膜ではなく濃紺の下地を敷く */
  background: rgba(6, 26, 42, 0.66); color: var(--text);
  border-color: rgba(120, 200, 214, 0.48);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
}
.button-ghost:hover, .button-ghost:focus-visible { border-color: var(--line-strong); background: rgba(9, 36, 56, 0.82); }
.button-outline {
  background: transparent; color: var(--accent-bright); border-color: var(--line-strong);
}
.button-outline:hover, .button-outline:focus-visible { background: rgba(46, 230, 207, 0.1); }

/* ---------------------------------------------------------- Hero */
.hero {
  /* 背景＝湘南（江ノ島）のトワイライト。左を濃紺で締めて文字を読ませ、
     右側に海と江ノ島のシルエットを見せる（資料①p9と同じ考え方） */
  --hero-photo: url("../img/shonan-hero.jpg");
  position: relative; isolation: isolate; overflow: hidden;
  padding: clamp(64px, 11vw, 120px) 0 clamp(56px, 8vw, 92px);
  background:
    radial-gradient(120% 90% at 80% 14%, rgba(56, 189, 248, 0.17) 0%, transparent 58%),
    radial-gradient(90% 80% at 12% 88%, rgba(46, 230, 207, 0.15) 0%, transparent 60%),
    linear-gradient(180deg, rgba(4, 18, 31, 0) 0%, rgba(4, 18, 31, 0) 60%, rgba(4, 18, 31, 0.78) 100%),
    linear-gradient(90deg, rgba(4, 18, 31, 0.93) 0%, rgba(4, 18, 31, 0.72) 45%, rgba(4, 18, 31, 0.30) 72%, rgba(4, 18, 31, 0.16) 100%),
    linear-gradient(rgba(4, 18, 31, 0.28), rgba(4, 18, 31, 0.28)),
    var(--hero-photo) 42% 50% / cover no-repeat #04121f;
}
@media (max-width: 700px) {
  /* スマホは縦位置のトリミングに差し替え、文字の下を十分に暗くする */
  .hero {
    --hero-photo: url("../img/shonan-hero-sp.jpg");
    background:
      radial-gradient(120% 70% at 78% 10%, rgba(56, 189, 248, 0.16) 0%, transparent 60%),
      linear-gradient(180deg, rgba(4, 18, 31, 0.88) 0%, rgba(4, 18, 31, 0.62) 42%, rgba(4, 18, 31, 0.55) 66%, rgba(4, 18, 31, 0.88) 100%),
      linear-gradient(rgba(4, 18, 31, 0.2), rgba(4, 18, 31, 0.2)),
      var(--hero-photo) 35% 42% / cover no-repeat #04121f;
  }
}
.hero-bg { position: absolute; inset: 0; z-index: -1; }
.hero-grid {
  position: absolute; inset: 0; opacity: 0.2;
  background-image:
    linear-gradient(rgba(120, 200, 214, 0.07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(120, 200, 214, 0.07) 1px, transparent 1px);
  background-size: 78px 78px;
  mask-image: radial-gradient(115% 95% at 50% 34%, #000 18%, transparent 78%);
  -webkit-mask-image: radial-gradient(115% 95% at 50% 34%, #000 18%, transparent 78%);
}
/* 写真の上に重ねるので、線は控えめに */
.hero-wave { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0.55; }
.hero-wave .wave-lines path { animation: waveDrift 16s ease-in-out infinite; }
.hero-wave .wave-lines path:nth-child(2) { animation-duration: 20s; animation-delay: -3s; }
.hero-wave .wave-lines path:nth-child(3) { animation-duration: 24s; animation-delay: -6s; }
.hero-wave .wave-lines path:nth-child(4) { animation-duration: 28s; animation-delay: -9s; }
.hero-wave .wave-lines path:nth-child(5) { animation-duration: 32s; animation-delay: -12s; }
@keyframes waveDrift {
  0%, 100% { transform: translate3d(0, 0, 0); }
  50% { transform: translate3d(-24px, -14px, 0); }
}
.hero-glow {
  position: absolute; left: 50%; top: 30%; width: min(760px, 92vw); aspect-ratio: 1;
  transform: translate(-50%, -50%);
  background: radial-gradient(circle, rgba(46, 230, 207, 0.14) 0%, transparent 62%);
  filter: blur(12px);
}

.hero-inner { position: relative; width: min(100% - 44px, var(--max)); margin-inline: auto; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 9px;
  margin: 0 0 clamp(20px, 3vw, 30px);
  padding: 8px 18px 8px 14px; border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(5, 22, 36, 0.66);
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  font-size: 12.5px; font-weight: 700; letter-spacing: 0.06em; color: var(--accent-bright);
}
.eyebrow-dot {
  width: 7px; height: 7px; border-radius: 50%; background: var(--accent);
  box-shadow: 0 0 0 4px rgba(46, 230, 207, 0.18);
  animation: pulseDot 2.4s ease-in-out infinite;
}
@keyframes pulseDot {
  0%, 100% { box-shadow: 0 0 0 3px rgba(46, 230, 207, 0.2); }
  50% { box-shadow: 0 0 0 8px rgba(46, 230, 207, 0.04); }
}

.hero h1 {
  margin: 0; font-weight: 900;
  /* 「初等部革命とAI」が320px幅でも1行に収まるサイズに追従させる */
  font-size: clamp(32px, 11vw, 140px);
  line-height: 1.02; letter-spacing: 0.02em;
  white-space: nowrap; /* 「初等部革命と／AI」で割らせない */
  text-shadow: 0 0 60px rgba(46, 230, 207, 0.22), 0 6px 30px rgba(0, 0, 0, 0.4);
}
/* 「と」は小さく、「AI」はアクセント色に。テーマがひと目で伝わるようにする */
.h1-and {
  font-size: 0.6em; margin: 0 0.05em 0 0.03em;
  opacity: 0.88; font-weight: 800;
}
.h1-ai {
  font-size: 0.92em; color: var(--accent-bright); letter-spacing: 0.005em;
  text-shadow: 0 0 54px rgba(46, 230, 207, 0.45), 0 6px 30px rgba(0, 0, 0, 0.4);
}
.hero-rule {
  width: min(560px, 100%); height: 1px; margin: clamp(22px, 3.4vw, 34px) 0 clamp(20px, 3vw, 28px);
  background: linear-gradient(90deg, var(--accent) 0%, rgba(56, 189, 248, 0.5) 55%, transparent 100%);
}
.hero-lead {
  margin: 0 0 18px; font-size: clamp(19px, 3.5vw, 31px); font-weight: 700; line-height: 1.6;
}
.hero-lead span { color: var(--accent-bright); font-size: 0.86em; }
.hero-desc {
  margin: 0 0 clamp(28px, 4vw, 40px); max-width: 62ch;
  font-size: clamp(14.5px, 1.7vw, 16.5px); color: var(--text-soft);
}
.hero-desc strong { color: var(--accent-bright); font-weight: 700; }

.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: clamp(34px, 5vw, 52px); }

.hero-facts {
  display: grid; gap: 1px; margin: 0;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--line); overflow: hidden;
  backdrop-filter: blur(6px);
}
.hero-facts > div { padding: 18px 22px; background: rgba(5, 22, 36, 0.84); }
.hero-facts dt {
  font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--accent); font-weight: 700; margin-bottom: 4px;
}
.hero-facts dd { margin: 0; font-size: 16px; font-weight: 700; line-height: 1.5; }
.hero-facts dd small { font-size: 11px; color: var(--muted); font-weight: 500; letter-spacing: 0.08em; }

/* ---------------------------------------------------------- Urgency */
.urgency {
  position: relative; padding: clamp(22px, 3.4vw, 32px) 0;
  background: linear-gradient(180deg, #071f31 0%, #061c2e 100%);
  border-top: 1px solid var(--line-strong);
  border-bottom: 1px solid var(--line);
}
/* 4項目は「1行→2列→4列」で切り替える。auto-fitだと中間幅で
   1カラムが狭くなり「湘南クルージ/ング」のような割れ方をするため列数を固定する */
.urgency-grid { display: grid; gap: 14px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (max-width: 519px) { .urgency-grid { grid-template-columns: 1fr; } }
@media (min-width: 1000px) { .urgency-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.urgency-item {
  padding: 16px 20px; border-radius: 14px;
  border: 1px solid var(--line); background: var(--panel);
  text-align: center;
}
.urgency-item.is-alert {
  border-color: rgba(255, 180, 84, 0.55);
  background: rgba(255, 180, 84, 0.09);
}
.urgency-label {
  display: block; font-size: 11px; letter-spacing: 0.14em;
  color: var(--muted); font-weight: 700; margin-bottom: 6px;
}
.urgency-item.is-alert .urgency-label { color: var(--alert); }
.urgency-value {
  /* 4列に切り替わる1000px前後でも「湘南クルージング」が1行に収まる大きさに追従させる */
  display: block; font-size: clamp(19px, 2.1vw, 25px); font-weight: 900; line-height: 1.3;
  color: var(--accent-bright);
}
@media (max-width: 999px) {
  .urgency-value { font-size: clamp(20px, 3.4vw, 25px); }
}
.urgency-item.is-alert .urgency-value { color: var(--alert); }
.urgency-value em { font-style: normal; font-size: 1.28em; }
.urgency-item.is-alert .urgency-value em { font-size: 1.5em; }
.urgency-value em:not(:only-child) { margin: 0 1px; }
.urgency-note { display: block; margin-top: 5px; font-size: 12px; color: var(--muted); line-height: 1.6; }

/* ---------------------------------------------------------- Sections base */
.section { position: relative; padding: clamp(64px, 9vw, 108px) 0; }

/* 背景に子ども・保護者の写真を「影」として敷く。
   以前は ::before + mask-image + z-index:-1 で描いていたが、iOS Safari で
   まったく描画されないことがあったため、実体の <img> と覆いのグラデーションに変更。
   マスクも負のz-indexも使わないので、どのブラウザでも同じように出る。 */
.has-people { position: relative; isolation: isolate; }
.people-bg {
  /* セクションが縦に長いと cover で写真が引き伸ばされるので、上部の帯に収める */
  position: absolute; left: 0; right: 0; top: 0;
  height: min(100%, 640px);
  overflow: hidden; pointer-events: none;
}
.people-bg img {
  width: 100%; height: 100%;
  object-fit: cover; object-position: var(--people-pos, 50% 40%);
  opacity: 0.24;
  filter: grayscale(1) contrast(1.05);
}
/* 周囲を地色で覆って、四角い写真の輪郭を消す */
.people-bg::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(122% 96% at var(--people-pos, 50% 40%),
      rgba(4, 18, 31, 0) 22%, rgba(4, 18, 31, 0.5) 58%, rgba(4, 18, 31, 0.9) 86%, rgba(4, 18, 31, 1) 100%),
    /* 帯の下端をきれいに地色へ落とす */
    linear-gradient(180deg, rgba(4, 18, 31, 0) 52%, rgba(4, 18, 31, 1) 100%);
}
/* 本文は必ず写真より前面に */
.has-people > .container { position: relative; z-index: 1; }

@media (max-width: 700px) {
  /* スマホは文字が重なりやすいので少し薄く */
  .people-bg img { opacity: 0.18; }
}

/* スマホ表示のときだけ、親子の写真をスマホ枠に入れて大きく見せる */
.people-phone { display: none; }
@media (max-width: 700px) {
  .people-phone {
    display: block; width: min(300px, 84%); margin: clamp(28px, 6vw, 40px) auto 0;
  }
  .people-phone__frame {
    position: relative; padding: 11px 10px; border-radius: 32px;
    border: 1px solid rgba(150, 214, 232, 0.45);
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.18) 0%, rgba(255, 255, 255, 0.05) 45%, rgba(255, 255, 255, 0.12) 100%);
    box-shadow: 0 22px 46px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255, 255, 255, 0.26);
  }
  .people-phone__notch {
    position: absolute; top: 19px; left: 50%; transform: translateX(-50%); z-index: 2;
    width: 64px; height: 5px; border-radius: 999px;
    background: rgba(190, 225, 240, 0.6);
  }
  .people-phone__frame img {
    display: block; width: 100%; aspect-ratio: 3 / 4; object-fit: cover;
    object-position: 58% 42%; border-radius: 23px;
    filter: grayscale(0.15) contrast(1.04) brightness(0.92);
  }
  .people-phone figcaption {
    margin-top: 14px; text-align: center;
    font-size: 12.5px; color: var(--text-soft); line-height: 1.8;
  }
}

.section-label {
  margin: 0 0 10px; font-size: 11px; font-weight: 800;
  letter-spacing: 0.24em; text-transform: uppercase; color: var(--accent);
}
.section-head { max-width: 760px; margin-bottom: clamp(34px, 5vw, 52px); }
.section-head.centered { margin-inline: auto; text-align: center; }
.section-head h2 {
  margin: 0 0 14px; font-family: var(--serif); font-weight: 700;
  font-size: clamp(25px, 4.2vw, 40px); line-height: 1.45; letter-spacing: 0.01em;
}
.section-head p { margin: 0; color: var(--text-soft); font-size: clamp(14.5px, 1.7vw, 16.5px); }

/* ---------------------------------------------------------- Statement */
.section-statement {
  background:
    radial-gradient(80% 120% at 82% 20%, rgba(46, 230, 207, 0.1) 0%, transparent 62%),
    linear-gradient(180deg, #061c2e 0%, #04141f 100%);
  text-align: center;
}
.statement { max-width: 900px; margin-inline: auto; }
.statement-title {
  margin: 0; font-weight: 900;
  font-size: clamp(29px, 6.4vw, 66px); line-height: 1.28; letter-spacing: 0.01em;
  text-shadow: 0 0 46px rgba(46, 230, 207, 0.18);
}
.statement-rule {
  width: min(520px, 86%); height: 1px; margin: clamp(24px, 4vw, 38px) auto;
  background: linear-gradient(90deg, transparent, var(--accent) 22%, var(--accent-blue) 78%, transparent);
}
.statement-body {
  margin: 0; font-size: clamp(14.5px, 1.9vw, 18px); color: var(--text-soft); line-height: 2;
}

/* ---------------------------------------------------------- Formula */
.section-formula { background: linear-gradient(180deg, #04141f 0%, #072335 100%); }
.formula-panel {
  padding: clamp(28px, 5vw, 56px) clamp(20px, 4vw, 48px);
  border: 1px solid var(--line); border-radius: 20px;
  background: linear-gradient(140deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow-soft), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}
.formula {
  display: flex; flex-wrap: wrap; align-items: center; justify-content: center;
  gap: clamp(14px, 2.6vw, 30px);
}
.formula-term {
  position: relative; display: grid; justify-items: center; gap: 2px;
  padding: 14px clamp(18px, 3vw, 34px);
}
.formula-term::before, .formula-term::after {
  content: ""; position: absolute; top: 0; bottom: 0; width: 12px;
  border: 2px solid var(--accent); border-radius: 2px;
}
.formula-term::before { left: 0; border-right: 0; }
.formula-term::after { right: 0; border-left: 0; }
.formula-main { font-size: clamp(24px, 4.4vw, 42px); font-weight: 900; color: var(--accent-bright); line-height: 1.2; }
.formula-sub { font-size: clamp(11px, 1.5vw, 14px); color: var(--muted); letter-spacing: 0.04em; }
.formula-op { font-size: clamp(20px, 3vw, 30px); font-weight: 700; color: var(--text-soft); }
.formula-eq { color: var(--accent); }
.formula-result {
  font-size: clamp(20px, 3.9vw, 38px); font-weight: 900; line-height: 1.3;
  color: var(--text); text-shadow: 0 0 34px rgba(46, 230, 207, 0.28);
}
.formula-note {
  max-width: 780px; margin: clamp(26px, 4vw, 38px) auto 0;
  padding: 18px 24px; border: 1px solid var(--line-strong); border-radius: 14px;
  background: rgba(46, 230, 207, 0.06);
  text-align: center; font-size: clamp(14px, 1.7vw, 16px); color: var(--text-soft);
}

/* -------------------------------------------- 知識の暗記 → 思考の器 */
.shift {
  display: grid; gap: 12px; align-items: stretch;
  grid-template-columns: 1fr; justify-items: stretch;
  max-width: 900px; margin: 0 auto clamp(20px, 3vw, 28px);
}
@media (min-width: 700px) {
  .shift { grid-template-columns: 1fr auto 1fr; align-items: center; }
}
.shift-side {
  display: grid; gap: 4px; justify-items: center; text-align: center;
  padding: 18px 20px; border-radius: 14px; border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.035);
}
.shift-when { font-size: 11px; font-weight: 800; letter-spacing: 0.14em; color: var(--muted); }
.shift-side strong { font-size: clamp(16px, 2.2vw, 20px); font-weight: 800; line-height: 1.45; }
.shift-side em { font-style: normal; font-size: 12px; color: var(--muted); }
.shift-from strong { color: #b9c9d6; }
.shift-to {
  border-color: var(--line-strong);
  background: linear-gradient(160deg, rgba(46, 230, 207, 0.14) 0%, rgba(46, 230, 207, 0.03) 100%);
  box-shadow: 0 0 30px rgba(46, 230, 207, 0.14);
}
.shift-to strong { color: var(--accent-bright); }
.shift-to em { color: var(--text-soft); }
.shift-arrow {
  display: grid; place-items: center; font-size: 22px; font-weight: 800; color: var(--accent);
  transform: rotate(90deg);
}
@media (min-width: 700px) { .shift-arrow { transform: none; } }
.shift-note {
  max-width: 860px; margin: 0 auto clamp(28px, 4vw, 40px);
  text-align: center; font-size: clamp(14px, 1.7vw, 16px); color: var(--text-soft); line-height: 1.95;
}

.formula-notes {
  display: grid; gap: 10px; margin-top: clamp(20px, 3vw, 28px);
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}
.formula-notes p {
  margin: 0; padding: 12px 16px; border-radius: 10px;
  border: 1px solid rgba(120, 200, 214, 0.18); background: rgba(255, 255, 255, 0.03);
  font-size: 13px; color: var(--muted); line-height: 1.8;
}
.formula-notes strong {
  display: block; margin-bottom: 2px; color: var(--accent-bright); font-size: 14px; font-weight: 800;
}

/* ---------------------------------------------------------- 寄せ集め vs 統合 */
.section-integration {
  background:
    radial-gradient(70% 90% at 88% 14%, rgba(56, 189, 248, 0.1) 0%, transparent 60%),
    linear-gradient(180deg, #072335 0%, #061f31 100%);
}
.tri-grid { display: grid; gap: clamp(18px, 2.6vw, 26px); margin-bottom: clamp(18px, 2.6vw, 26px); }
@media (min-width: 900px) { .tri-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.tri-card {
  display: flex; flex-direction: column;
  padding: clamp(24px, 3.4vw, 34px); border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.055) 0%, rgba(255, 255, 255, 0.015) 100%);
}
.tri-label {
  align-self: flex-start; margin: 0 0 10px; padding: 4px 14px; border-radius: 999px;
  font-size: 13px; font-weight: 800; letter-spacing: 0.06em;
}
.tri-card h3 { margin: 0 0 14px; font-size: clamp(18px, 2.3vw, 23px); font-weight: 800; line-height: 1.5; }
.tri-def { margin: 0 0 14px; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.tri-quote {
  margin: 0 0 16px; padding: 12px 16px; border-radius: 10px;
  border-left: 2px solid rgba(120, 200, 214, 0.5);
  background: rgba(255, 255, 255, 0.035);
  font-size: 14px; color: var(--text-soft); line-height: 1.85;
}
.tri-list { margin: 0 0 16px; padding: 0; list-style: none; display: grid; gap: 8px; }
.tri-list li {
  position: relative; padding-left: 22px;
  font-size: 13.5px; color: var(--text-soft); line-height: 1.8;
}
.tri-list li::before {
  content: ""; position: absolute; left: 4px; top: 10px; width: 7px; height: 7px;
  border-radius: 50%; background: rgba(200, 216, 226, 0.7);
}

/* 【集合】カードに入れる資料の図 */
.tri-figure {
  margin: 0 0 16px; border-radius: 12px; overflow: hidden;
  border: 1px solid rgba(180, 200, 214, 0.24);
  background: #061a2b;
}
.tri-figure img { width: 100%; aspect-ratio: 1000 / 651; object-fit: cover; display: block; }
.tri-result { margin: auto 0 0; font-size: 13.5px; color: var(--muted); line-height: 1.9; }
.tri-result strong { color: #e6f1f7; font-weight: 700; }

/* 【集合】【統一】= うまくいかない型 */
.tri-bad, .tri-mid { border-color: rgba(180, 200, 214, 0.24); }
.tri-bad .tri-label, .tri-mid .tri-label {
  border: 1px solid rgba(200, 214, 224, 0.4); color: #c3d3de; background: rgba(255, 255, 255, 0.05);
}

/* ＜統合＞= 推す型 */
.tri-good {
  border-color: var(--line-strong);
  background:
    radial-gradient(80% 70% at 88% 6%, rgba(56, 189, 248, 0.12) 0%, transparent 62%),
    linear-gradient(155deg, rgba(46, 230, 207, 0.09) 0%, rgba(255, 255, 255, 0.015) 100%);
  box-shadow: 0 0 44px rgba(46, 230, 207, 0.14);
}
.tri-good .tri-label {
  border: 1px solid var(--line-strong); color: var(--accent-bright); background: rgba(46, 230, 207, 0.14);
}
.tri-good > h3 { font-size: clamp(19px, 2.6vw, 26px); }
.tri-good .tri-list li::before { background: var(--accent); }

.integ-layout { display: grid; gap: clamp(22px, 3vw, 34px); align-items: start; margin-bottom: 20px; }
@media (min-width: 940px) {
  .integ-layout { grid-template-columns: minmax(0, 1fr) auto; }
}
.integ-item { display: grid; grid-template-columns: 34px minmax(0, 1fr); gap: 14px; margin-bottom: 18px; }
.integ-num {
  display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px;
  border: 1px solid var(--line-strong); background: rgba(46, 230, 207, 0.12);
  font-size: 15px; font-weight: 900; color: var(--accent-bright);
}
.integ-item strong {
  display: block; margin-bottom: 5px; font-size: 15.5px; font-weight: 800; color: var(--text);
}
.integ-item p { margin: 0; font-size: 13.5px; color: var(--text-soft); line-height: 1.9; }
.integ-note {
  margin: 0 0 14px; padding: 14px 16px; border-radius: 12px;
  border: 1px solid rgba(120, 200, 214, 0.2); background: rgba(255, 255, 255, 0.035);
  font-size: 13px; color: var(--muted); line-height: 1.9;
}
.integ-note strong { color: var(--text); font-weight: 800; }
/* 塾長の役割（＜統合＞のまとめの一手前） */
.integ-role {
  margin: 0; padding-left: 14px; border-left: 2px solid var(--accent);
  font-size: clamp(13.5px, 1.7vw, 15px); font-weight: 700; color: var(--text-soft); line-height: 1.85;
}
.integ-result {
  margin: 0; padding: 18px 22px; border-radius: 14px;
  border: 1px solid var(--line-strong); background: rgba(46, 230, 207, 0.08);
  font-size: clamp(14px, 1.8vw, 16px); color: var(--text-soft); line-height: 1.9;
}
.integ-result strong { color: var(--accent-bright); font-weight: 800; }

/* ---------------------------------------------------------- スマホ図（＜統合＞） */
/* ブランドを「アプリ」に見立てたホーム画面 */
.phone {
  width: min(330px, 100%); margin: 4px auto auto;
  padding: 12px 11px 14px; border-radius: 34px;
  border: 1px solid rgba(150, 214, 232, 0.42);
  background: linear-gradient(165deg, rgba(255, 255, 255, 0.16) 0%, rgba(255, 255, 255, 0.04) 42%, rgba(255, 255, 255, 0.1) 100%);
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.phone__screen {
  position: relative; padding: 22px 13px 13px; border-radius: 25px;
  background:
    radial-gradient(90% 70% at 78% 6%, rgba(56, 189, 248, 0.2) 0%, transparent 62%),
    radial-gradient(80% 60% at 12% 96%, rgba(46, 230, 207, 0.18) 0%, transparent 60%),
    linear-gradient(170deg, #06263c 0%, #041a2b 100%);
  border: 1px solid rgba(120, 200, 214, 0.24);
  overflow: hidden;
}
.phone__notch {
  position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
  width: 74px; height: 6px; border-radius: 999px;
  background: rgba(160, 210, 230, 0.42);
}
.phone__apps {
  display: grid; gap: 14px 8px; margin: 0 0 14px; padding: 0; list-style: none;
  grid-template-columns: repeat(3, minmax(0, 1fr));
}
.phone__apps li { display: grid; justify-items: center; gap: 6px; text-align: center; }
.app-icon {
  display: grid; place-items: center; width: 54px; height: 54px;
  border-radius: 16px; /* iOSのスクエアに寄せる */
  background: linear-gradient(160deg, var(--app-a, #35e8d0) 0%, var(--app-b, #159fb4) 100%);
  box-shadow:
    0 7px 16px rgba(0, 0, 0, 0.42),
    inset 0 1.5px 0 rgba(255, 255, 255, 0.42),
    inset 0 -2px 6px rgba(0, 0, 0, 0.18);
  color: #fff;
}
.app-icon svg { width: 28px; height: 28px; }
/* ブランドごとに色を変えて、実機のホーム画面のように見せる */
.app-icon.is-pico    { --app-a: #35e8d0; --app-b: #159fb4; }
.app-icon.is-gakudo  { --app-a: #ffc978; --app-b: #ef8a37; }
.app-icon.is-juku    { --app-a: #6cc0fb; --app-b: #2f6fd0; }
.app-icon.is-yobi    { --app-a: #a898fb; --app-b: #6247cf; }
.app-icon.is-tsushin { --app-a: #74eaa8; --app-b: #2c9a68; }
.app-icon.is-care    { --app-a: #ff9fb0; --app-b: #dd4f6c; }
.app-icon.is-home    { --app-a: #ffb28e; --app-b: #cf6035; }

.app-name { display: grid; gap: 0; line-height: 1.35; }
.app-name strong { font-size: 10.5px; font-weight: 700; color: #eaf6fb; }
.app-name small { font-size: 9.5px; color: var(--muted); }

.phone__os {
  display: grid; gap: 3px; padding: 12px 13px; border-radius: 16px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(46, 230, 207, 0.24) 0%, rgba(46, 230, 207, 0.06) 100%);
  text-align: center;
}
.phone__os strong { font-size: 12.5px; font-weight: 800; color: var(--accent-bright); line-height: 1.55; }
.phone__os span { font-size: 10.5px; color: var(--text-soft); line-height: 1.7; }

@media (max-width: 380px) {
  .phone { padding: 10px 8px 12px; }
  .phone__screen { padding: 20px 9px 11px; }
  .phone__apps { gap: 12px 5px; }
  .app-icon { width: 47px; height: 47px; border-radius: 14px; }
  .app-icon svg { width: 25px; height: 25px; }
}

/* ---------------------------------------------------------- 2つの学童モデル */
/* 前後のセクションと色をつなげる（継ぎ目を作らない） */
.section-gakudo {
  background:
    radial-gradient(70% 80% at 16% 18%, rgba(46, 230, 207, 0.09) 0%, transparent 62%),
    #051a2a;
}
.gakudo-grid { display: grid; gap: clamp(18px, 2.6vw, 26px); }
@media (min-width: 880px) { .gakudo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.gakudo-card {
  padding: clamp(22px, 3vw, 30px); border-radius: 18px;
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.05) 0%, rgba(255, 255, 255, 0.015) 100%);
}
.gakudo-card.is-recommended {
  border-color: var(--line-strong);
  background: linear-gradient(155deg, rgba(46, 230, 207, 0.1) 0%, rgba(46, 230, 207, 0.02) 100%);
  box-shadow: 0 0 38px rgba(46, 230, 207, 0.14);
}
.gakudo-head {
  padding-bottom: 14px; margin-bottom: 6px;
  border-bottom: 1px solid rgba(120, 200, 214, 0.2); text-align: center;
}
.gakudo-head h3 { margin: 0 0 4px; font-size: clamp(19px, 2.5vw, 24px); font-weight: 800; }
.gakudo-type { margin: 0; font-size: 12.5px; font-weight: 700; color: var(--muted); letter-spacing: 0.04em; }
.gakudo-card.is-recommended .gakudo-head { border-bottom-color: var(--line-strong); }
.gakudo-card.is-recommended .gakudo-type { color: var(--accent-bright); }

.gakudo-card dl { margin: 0; display: grid; }
.gakudo-card dl > div { padding: 14px 0; border-bottom: 1px solid rgba(120, 200, 214, 0.13); }
.gakudo-card dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.gakudo-card dt {
  margin-bottom: 5px; font-size: 11.5px; font-weight: 800;
  letter-spacing: 0.1em; color: var(--muted);
}
.gakudo-card.is-recommended dt { color: var(--accent); }
.gakudo-card dd { margin: 0; font-size: 13.5px; color: var(--text-soft); line-height: 1.9; }
.gakudo-card dd strong { color: var(--accent-bright); font-weight: 800; }
.gakudo-card:not(.is-recommended) dd strong { color: #e6f1f7; }

.gakudo-note {
  margin: clamp(22px, 3vw, 30px) 0 0; text-align: center;
  font-size: clamp(13.5px, 1.7vw, 15.5px); color: var(--text-soft);
}
.gakudo-note strong { color: var(--accent-bright); font-weight: 800; }

/* ---------------------------------------------------------- 事例メモ（藤沢本部校モデル 等） */
.case-note {
  margin-top: 16px; padding: 16px 18px; border-radius: 12px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(160deg, rgba(46, 230, 207, 0.09) 0%, rgba(46, 230, 207, 0.02) 100%);
}
.case-note__label {
  margin: 0 0 4px; font-size: 11px; font-weight: 800;
  letter-spacing: 0.14em; color: var(--accent);
}
.case-note__title {
  margin: 0 0 8px; font-family: var(--serif);
  font-size: clamp(16px, 2vw, 19px); font-weight: 700; color: var(--text);
}
.case-note p:last-child { margin: 0; font-size: 13px; color: var(--text-soft); line-height: 1.9; }

.result-detail {
  margin: 10px 0 0; font-size: clamp(13.5px, 1.7vw, 15px); color: var(--text-soft);
}
.result-note strong { color: var(--accent-bright); font-weight: 800; }

/* ---------------------------------------------------------- Steps */
.section-system { background: linear-gradient(180deg, #061f31 0%, #051a2a 100%); }
.steps { display: grid; gap: clamp(18px, 2.6vw, 26px); }
@media (min-width: 900px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.step-card {
  display: flex; flex-direction: column;
  padding: clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.062) 0%, rgba(255, 255, 255, 0.018) 100%);
  box-shadow: var(--shadow-soft);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.step-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }

.step-head { display: flex; align-items: flex-start; gap: 16px; margin-bottom: 16px; }
.step-num {
  flex: none; display: grid; place-items: center; width: 52px; height: 52px;
  border-radius: 14px; border: 1px solid var(--line-strong);
  background: rgba(46, 230, 207, 0.1);
  font-size: 19px; font-weight: 900; color: var(--accent-bright);
}
.step-kicker {
  margin: 0 0 2px; font-size: 11.5px; font-weight: 700;
  letter-spacing: 0.14em; color: var(--accent);
}
.step-head h3 { margin: 0; font-size: clamp(18px, 2.4vw, 23px); line-height: 1.45; font-weight: 800; }
.step-lead {
  margin: 0 0 18px; padding-left: 14px; border-left: 2px solid var(--accent);
  font-size: clamp(14.5px, 1.7vw, 16px); color: var(--text-soft); line-height: 1.85;
}
.step-list { margin: 0; padding: 0; list-style: none; display: grid; gap: 12px; }
.step-list li {
  padding: 13px 16px; border-radius: 12px;
  border: 1px solid rgba(120, 200, 214, 0.16); background: rgba(255, 255, 255, 0.035);
  font-size: 14px; color: var(--text-soft); line-height: 1.8;
}
.step-list li strong {
  display: block; margin-bottom: 3px; color: var(--accent-bright);
  font-size: 14.5px; font-weight: 800;
}
.step-caption {
  margin: 16px 0 0; font-size: 12.5px; color: var(--muted); line-height: 1.85;
}

/* 図を含むカードは2カラムをまたいで全幅で見せる（狭い列に図を押し込まない） */
@media (min-width: 900px) {
  .step-card-wide { grid-column: 1 / -1; }
}

/* 伏せ字（Camp当日に開示する部分） */
.redacted {
  display: inline-block;
  margin: 0 0.14em; padding: 0.02em 0.4em;
  border: 1px dashed rgba(46, 230, 207, 0.6); border-radius: 6px;
  background: rgba(46, 230, 207, 0.1);
  color: var(--accent-bright);
  font-size: 0.84em; letter-spacing: 0.18em; text-indent: 0.18em;
  vertical-align: 0.06em; white-space: nowrap;
}

/* ---------------------------------------------------------- LTV 黄金ステップ */
.ltv {
  margin: 20px 0 4px; padding: clamp(20px, 2.8vw, 30px);
  border: 1px solid var(--line); border-radius: 16px;
  background:
    radial-gradient(90% 80% at 82% 8%, rgba(56, 189, 248, 0.1) 0%, transparent 62%),
    rgba(4, 18, 31, 0.5);
}
.ltv-head { display: grid; gap: 6px; margin-bottom: 18px; }
.ltv-head strong { font-size: clamp(16px, 2vw, 20px); font-weight: 800; line-height: 1.5; }
.ltv-head span { font-size: 13px; color: var(--muted); line-height: 1.8; }

.ltv-steps {
  display: grid; gap: 12px; margin: 0; padding: 0; list-style: none;
  grid-template-columns: 1fr; align-items: end;
}
@media (min-width: 720px) and (max-width: 1023px) {
  .ltv-steps { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}
@media (min-width: 1024px) {
  .ltv-steps { grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
  /* 右へ上がっていく階段にする */
  .ltv-step-1 { min-height: 158px; }
  .ltv-step-2 { min-height: 194px; }
  .ltv-step-3 { min-height: 230px; }
  .ltv-step-4 { min-height: 266px; }
  .ltv-step-5 { min-height: 302px; }
  .ltv-step { padding: 14px 13px; }
  .ltv-step strong { font-size: 15.5px; }
  .ltv-desc { font-size: 11.5px; }
}
.ltv-step {
  position: relative; display: grid; align-content: start; gap: 6px;
  padding: 16px 18px; border-radius: 12px;
  border: 1px solid rgba(120, 200, 214, 0.28);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
}
.ltv-step strong { font-size: clamp(15px, 1.9vw, 18px); font-weight: 800; line-height: 1.45; }
.ltv-desc { font-size: 12.5px; color: var(--muted); line-height: 1.8; text-wrap: balance; }
.ltv-tag {
  justify-self: start; padding: 3px 11px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: rgba(46, 230, 207, 0.1);
  font-size: 11px; font-weight: 800; letter-spacing: 0.1em; color: var(--accent-bright);
}
.ltv-step-2 { border-color: rgba(46, 230, 207, 0.36); background: linear-gradient(160deg, rgba(46, 230, 207, 0.1) 0%, rgba(46, 230, 207, 0.03) 100%); }
.ltv-step-3 { border-color: rgba(46, 230, 207, 0.48); background: linear-gradient(160deg, rgba(46, 230, 207, 0.15) 0%, rgba(46, 230, 207, 0.04) 100%); }
.ltv-step-4 { border-color: rgba(120, 235, 250, 0.55); background: linear-gradient(160deg, rgba(150, 230, 250, 0.17) 0%, rgba(120, 210, 240, 0.04) 100%); }
.ltv-step-5 {
  border-color: rgba(190, 245, 255, 0.68);
  background: linear-gradient(160deg, rgba(215, 246, 255, 0.24) 0%, rgba(160, 230, 255, 0.06) 100%);
  box-shadow: 0 0 32px rgba(103, 245, 228, 0.2);
}
/* スマホは縦に並ぶので、段の間に矢印を出す */
@media (max-width: 719px) {
  .ltv-step + .ltv-step::before {
    content: "▼"; position: absolute; top: -14px; left: 50%; transform: translateX(-50%);
    font-size: 10px; color: var(--accent);
  }
}

.ltv-flow {
  position: relative; margin: 16px 0 0; padding: 10px 16px;
  border-radius: 999px; border: 1px solid var(--line-strong);
  background: linear-gradient(90deg, rgba(46, 230, 207, 0.06) 0%, rgba(46, 230, 207, 0.2) 100%);
  text-align: center;
}
.ltv-flow span { font-size: 13px; font-weight: 800; letter-spacing: 0.04em; color: var(--accent-bright); }
.ltv-flow::after {
  content: "→"; margin-left: 8px; color: var(--accent-bright); font-weight: 800;
}
.ltv-note {
  margin: 14px 0 0; padding: 12px 16px;
  border-left: 2px solid var(--accent); border-radius: 0 8px 8px 0;
  background: rgba(255, 255, 255, 0.035);
  font-size: 13px; color: var(--text-soft); line-height: 1.85;
}

/* Funnel */
.funnel { display: grid; gap: 9px; margin-top: 4px; }
.funnel-row {
  position: relative; padding: 14px 18px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04);
}
.funnel-row + .funnel-row::before {
  content: ""; position: absolute; left: 50%; top: -9px; width: 1px; height: 9px;
  background: var(--accent); opacity: 0.55;
}
.funnel-row p { margin: 0; font-size: 14px; line-height: 1.75; color: var(--text-soft); }
.funnel-tag {
  display: inline-block; margin-bottom: 5px;
  font-size: 10.5px; font-weight: 800; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--muted);
}
.funnel-hook { width: 100%; }
.funnel-filter { width: 92%; margin-inline: auto; border-color: var(--line-strong); }
.funnel-filter:nth-of-type(3) { width: 84%; }
.funnel-filter .funnel-tag { color: var(--accent); }
.funnel-core {
  width: 78%; margin-inline: auto;
  border-color: var(--accent); background: rgba(46, 230, 207, 0.11);
  box-shadow: 0 0 26px rgba(46, 230, 207, 0.16);
}
.funnel-core .funnel-tag { color: var(--accent-bright); }
.funnel-core p { color: var(--text); font-weight: 700; }
@media (max-width: 560px) {
  .funnel-filter, .funnel-filter:nth-of-type(3), .funnel-core { width: 100%; }
}

/* Gap chart */
.gap-chart { margin-top: 4px; }
.gap-chart svg {
  width: 100%; height: clamp(150px, 26vw, 210px);
  border: 1px solid var(--line); border-radius: 12px;
  background: rgba(4, 18, 31, 0.5);
}
.gap-grid line { stroke: rgba(120, 200, 214, 0.13); stroke-width: 1; }
.gap-belief { fill: none; stroke: #cbd8e2; stroke-width: 2; vector-effect: non-scaling-stroke; }
.gap-real {
  fill: none; stroke: var(--accent); stroke-width: 2.6; vector-effect: non-scaling-stroke;
  filter: drop-shadow(0 0 6px rgba(46, 230, 207, 0.55));
}
.gap-legend { display: flex; flex-wrap: wrap; gap: 8px 20px; margin-top: 12px; }
.gap-key { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; color: var(--muted); }
.gap-key i {
  display: grid; place-items: center; width: 18px; height: 18px; border-radius: 50%;
  font-style: normal; font-size: 10px; font-weight: 800;
}
.gap-key-belief i { background: #cbd8e2; color: #0a2a40; }
.gap-key-real { color: var(--accent-bright); }
.gap-key-real i { background: var(--accent); color: var(--on-accent); }

/* ---------------------------------------------------------- Result */
.section-result {
  background:
    radial-gradient(70% 100% at 88% 30%, rgba(56, 189, 248, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, #051a2a 0%, #072840 100%);
}
.result-layout { display: grid; gap: clamp(22px, 3.4vw, 34px); align-items: center; }
@media (min-width: 900px) { .result-layout { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); } }

.result-headline {
  padding: clamp(26px, 4vw, 40px);
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(150deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.02) 100%);
  text-align: center;
}
.result-case {
  margin: 0 0 14px; font-size: clamp(17px, 2.4vw, 22px); font-weight: 800; color: var(--text-soft);
}
.result-main, .result-sub { margin: 0; font-weight: 900; line-height: 1.35; }
.result-main { font-size: clamp(24px, 4.2vw, 40px); }
.result-sub { font-size: clamp(22px, 3.9vw, 37px); margin-top: 6px; }
.result-main strong, .result-sub strong {
  color: var(--accent-bright); font-size: 1.35em; font-weight: 900;
  text-shadow: 0 0 34px rgba(46, 230, 207, 0.4);
}

.result-chart {
  padding: clamp(24px, 3.6vw, 38px);
  border: 1px solid var(--line); border-radius: 18px;
  background: rgba(4, 18, 31, 0.5);
}
.bar-row + .bar-row { margin-top: 24px; }
.bar-label { display: block; margin-bottom: 8px; font-size: 13px; color: var(--text-soft); font-weight: 700; }
.bar-track {
  height: 40px; border-radius: 8px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(120, 200, 214, 0.14);
  overflow: hidden;
}
.bar-fill {
  display: flex; align-items: center; justify-content: flex-end;
  height: 100%; width: 0; padding-right: 12px; border-radius: 7px;
  font-size: 13px; font-weight: 800;
  transition: width 1.1s cubic-bezier(0.22, 0.8, 0.3, 1);
}
.result-chart.is-visible .bar-fill { width: var(--w); }
/* JS（IntersectionObserver）が動かない環境でも数値が読めるようにする */
html:not(.js) .bar-fill { width: var(--w); }
.bar-base { background: rgba(120, 200, 214, 0.3); color: var(--text); }
.bar-hero {
  background: linear-gradient(90deg, rgba(46, 230, 207, 0.6) 0%, var(--accent-bright) 100%);
  color: var(--on-accent);
  box-shadow: 0 0 26px rgba(46, 230, 207, 0.35);
}
.bar-axis {
  display: flex; justify-content: space-between; margin-top: 12px;
  font-size: 11.5px; color: var(--muted); letter-spacing: 0.06em;
}
.result-note {
  margin: clamp(26px, 4vw, 36px) 0 0; padding: 20px 24px;
  border: 1px solid var(--line-strong); border-radius: 14px;
  background: rgba(46, 230, 207, 0.06);
  font-size: clamp(13.5px, 1.6vw, 15.5px); color: var(--text-soft); line-height: 1.9;
}

/* ---------------------------------------------------------- Know-how */
.section-knowhow { background: linear-gradient(180deg, #072840 0%, #051a2a 100%); }
.hex-grid { display: grid; gap: clamp(16px, 2.2vw, 22px); grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.hex-card {
  position: relative; padding: clamp(24px, 3vw, 32px) clamp(20px, 2.6vw, 26px);
  border: 1px solid var(--line);
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.015) 100%);
  clip-path: polygon(16px 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%, 0 16px);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.hex-card:hover {
  border-color: var(--line-strong); transform: translateY(-4px);
  box-shadow: 0 0 34px rgba(46, 230, 207, 0.16);
}
.hex-tag {
  display: inline-block; margin-bottom: 12px; padding: 4px 12px;
  border: 1px solid var(--line-strong); border-radius: 999px;
  font-size: 11.5px; font-weight: 800; letter-spacing: 0.08em; color: var(--accent-bright);
  background: rgba(46, 230, 207, 0.08);
}
.hex-card h3 { margin: 0 0 10px; font-size: clamp(16px, 1.9vw, 18.5px); line-height: 1.55; font-weight: 800; }
.hex-card p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }

/* ---------------------------------------------------------- Speakers */
.section-speakers { background: linear-gradient(180deg, #051a2a 0%, #04121f 100%); }
.speaker-grid { display: grid; gap: clamp(18px, 2.4vw, 24px); grid-template-columns: repeat(auto-fit, minmax(272px, 1fr)); }
.speaker-card {
  display: flex; flex-direction: column; overflow: hidden;
  border: 1px solid var(--line); border-radius: 18px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.065) 0%, rgba(255, 255, 255, 0.015) 100%);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.speaker-card:hover { border-color: var(--line-strong); transform: translateY(-3px); }
.speaker-photo { position: relative; aspect-ratio: 1 / 1; overflow: hidden; background: var(--bg-2); }
.speaker-photo img { width: 100%; height: 100%; object-fit: cover; filter: saturate(0.85) contrast(1.05); }
.speaker-photo::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(4, 18, 31, 0) 45%, rgba(4, 18, 31, 0.65) 100%);
}
.speaker-photo-placeholder {
  display: grid; place-items: center;
  background:
    radial-gradient(70% 70% at 50% 40%, rgba(46, 230, 207, 0.16) 0%, transparent 68%),
    linear-gradient(150deg, #0a2a40 0%, #061c2e 100%);
}
.speaker-photo-placeholder::after { display: none; }
.speaker-photo-placeholder span {
  font-family: var(--serif); font-size: clamp(34px, 5vw, 48px); font-weight: 700;
  color: rgba(103, 245, 228, 0.75); letter-spacing: 0.08em;
}
.speaker-body { padding: clamp(20px, 2.6vw, 26px); }
.speaker-role {
  margin: 0 0 6px; font-size: 11.5px; font-weight: 800; letter-spacing: 0.12em; color: var(--accent);
}
.speaker-body h3 { margin: 0 0 4px; font-size: clamp(18px, 2.2vw, 21px); font-weight: 800; }
.speaker-affiliation { margin: 0 0 12px; font-size: 12.5px; color: var(--muted); }
.speaker-body > p:last-child { margin: 0; font-size: 13.5px; color: var(--text-soft); line-height: 1.9; }
.speakers-note {
  margin: clamp(22px, 3vw, 30px) 0 0; text-align: center;
  font-size: 12.5px; color: var(--muted);
}

/* ---------------------------------------------------------- Cruise */
.section-cruise {
  overflow: hidden;
  background: linear-gradient(180deg, #04121f 0%, #072840 100%);
}
.cruise-layout { display: grid; gap: clamp(24px, 3.6vw, 40px); align-items: center; }
@media (min-width: 900px) { .cruise-layout { grid-template-columns: minmax(0, 1fr) minmax(0, 0.95fr); } }
.cruise-copy h2 {
  margin: 0 0 16px; font-family: var(--serif); font-weight: 700;
  font-size: clamp(23px, 3.6vw, 34px); line-height: 1.5;
}
.cruise-copy p { margin: 0 0 12px; color: var(--text-soft); font-size: clamp(14.5px, 1.7vw, 16px); }
.cruise-note { font-size: 12.5px !important; color: var(--muted) !important; }
.cruise-visual {
  position: relative; margin: 0; border-radius: 18px; overflow: hidden;
  border: 1px solid var(--line); box-shadow: var(--shadow-soft);
}
.cruise-visual img {
  width: 100%; aspect-ratio: 1400 / 629; object-fit: cover;
}
/* 写真の下端を締めて、周囲の濃紺になじませる */
.cruise-visual::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background:
    radial-gradient(80% 70% at 78% 16%, rgba(103, 245, 228, 0.14) 0%, transparent 62%),
    linear-gradient(180deg, rgba(4, 18, 31, 0.06) 0%, rgba(4, 18, 31, 0.42) 100%);
}

/* ---------------------------------------------------------- Details */
/* 資料①p9（海を背にした開催概要）と同じ構図。文字量が多いので幕は厚めに張る */
.section-details {
  background:
    radial-gradient(60% 90% at 14% 22%, rgba(46, 230, 207, 0.13) 0%, transparent 62%),
    linear-gradient(180deg, rgba(4, 18, 31, 0.90) 0%, rgba(5, 24, 38, 0.88) 52%, rgba(4, 18, 31, 0.95) 100%),
    url("../img/shonan-hero.jpg") center 58% / cover no-repeat #051a2a;
}
.detail-layout { display: grid; gap: clamp(24px, 3.6vw, 40px); align-items: start; }
@media (min-width: 940px) { .detail-layout { grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr); } }
.detail-copy h2 {
  margin: 0 0 14px; font-weight: 900;
  font-size: clamp(26px, 4.6vw, 44px); line-height: 1.3;
}
.detail-tagline {
  margin: 0 0 14px; font-size: clamp(15px, 2vw, 19px); font-weight: 700; color: var(--accent-bright);
}
.detail-copy > p { margin: 0 0 22px; color: var(--text-soft); font-size: clamp(14.5px, 1.7vw, 16px); }
.detail-actions { display: flex; flex-wrap: wrap; gap: 12px; }

.detail-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line); border-radius: 18px;
  /* 背景写真の上に乗るので、下地を効かせて表を読ませる */
  background:
    linear-gradient(155deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.015) 100%),
    rgba(5, 22, 36, 0.78);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  box-shadow: var(--shadow-soft);
}
.detail-card dl { margin: 0; display: grid; gap: 0; }
.detail-card dl > div {
  display: grid; grid-template-columns: 104px minmax(0, 1fr); gap: 14px;
  padding: 14px 0; border-bottom: 1px solid rgba(120, 200, 214, 0.14);
}
.detail-card dl > div:last-child { border-bottom: 0; padding-bottom: 0; }
.detail-card dl > div:first-child { padding-top: 0; }
.detail-card dt { font-size: 12.5px; font-weight: 800; color: var(--accent); letter-spacing: 0.04em; }
.detail-card dd { margin: 0; font-size: 14.5px; line-height: 1.8; }
.detail-card dd small { display: inline-block; margin-top: 2px; font-size: 12.5px; color: var(--muted); }
.detail-card dd a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; }
@media (max-width: 560px) {
  .detail-card dl > div { grid-template-columns: 1fr; gap: 4px; }
}

/* ---------------------------------------------------------- Deck */
.section-deck { background: linear-gradient(180deg, #051a2a 0%, #04121f 100%); }
.deck-grid { display: grid; gap: clamp(14px, 2vw, 20px); grid-template-columns: repeat(auto-fit, minmax(268px, 1fr)); }
.deck-item {
  display: block; overflow: hidden; border-radius: 14px;
  border: 1px solid var(--line); background: var(--bg-1);
  transition: border-color 0.25s ease, transform 0.25s ease, box-shadow 0.25s ease;
}
.deck-item:hover, .deck-item:focus-visible {
  border-color: var(--line-strong); transform: translateY(-3px);
  box-shadow: 0 0 30px rgba(46, 230, 207, 0.16);
}
.deck-item img { width: 100%; aspect-ratio: 1200 / 670; object-fit: cover; }
.deck-cap {
  display: block; padding: 11px 14px; font-size: 12.5px; font-weight: 700;
  color: var(--text-soft); border-top: 1px solid rgba(120, 200, 214, 0.12);
}

/* ---------------------------------------------------------- Lightbox */
.lightbox {
  width: min(1180px, calc(100vw - 32px));
  max-width: none; max-height: calc(100vh - 32px);
  padding: 0; border: 0; border-radius: 18px;
  background: transparent; color: var(--text); overflow: visible;
}
.lightbox::backdrop {
  background: rgba(2, 10, 18, 0.88);
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
}
.lightbox[open] { animation: lbIn 0.22s ease; }
@keyframes lbIn { from { opacity: 0; transform: translateY(8px) scale(0.985); } to { opacity: 1; transform: none; } }

.lightbox__bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  margin-bottom: 10px;
}
.lightbox__count {
  margin: 0; font-size: 12.5px; font-weight: 700; letter-spacing: 0.08em; color: var(--accent-bright);
}
.lightbox__close {
  display: grid; place-items: center; width: 40px; height: 40px; flex: none;
  border: 1px solid var(--line); border-radius: 50%;
  background: rgba(255, 255, 255, 0.07); color: var(--text);
  font-size: 22px; line-height: 1; cursor: pointer;
  transition: background 0.2s ease, border-color 0.2s ease;
}
.lightbox__close:hover, .lightbox__close:focus-visible {
  background: rgba(46, 230, 207, 0.18); border-color: var(--line-strong);
}

.lightbox__figure { margin: 0; }
.lightbox__figure img {
  width: 100%; max-height: calc(100vh - 150px); object-fit: contain;
  border-radius: 12px; border: 1px solid var(--line);
  background: var(--bg-1);
}
.lightbox__figure figcaption {
  margin-top: 10px; text-align: center;
  font-size: 13.5px; font-weight: 700; color: var(--text-soft);
}

.lightbox__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  display: grid; place-items: center; width: 46px; height: 46px;
  border: 1px solid var(--line); border-radius: 50%;
  background: rgba(4, 18, 31, 0.82); color: var(--text);
  font-size: 26px; line-height: 1; cursor: pointer;
  backdrop-filter: blur(6px); -webkit-backdrop-filter: blur(6px);
  transition: background 0.2s ease, border-color 0.2s ease;
}
.lightbox__nav:hover, .lightbox__nav:focus-visible {
  background: rgba(46, 230, 207, 0.22); border-color: var(--line-strong);
}
.lightbox__prev { left: -8px; }
.lightbox__next { right: -8px; }
@media (min-width: 1280px) {
  .lightbox__prev { left: -60px; }
  .lightbox__next { right: -60px; }
}

.deck-item { cursor: zoom-in; }

/* ---------------------------------------------------------- Official banner */
.section-official-banner { padding: clamp(40px, 6vw, 64px) 0; background: #04121f; }
.official-banner {
  display: grid; gap: 8px; padding: clamp(24px, 3.4vw, 38px);
  border: 1px solid var(--line-strong); border-radius: 18px;
  background:
    radial-gradient(70% 120% at 90% 20%, rgba(56, 189, 248, 0.14) 0%, transparent 62%),
    linear-gradient(140deg, rgba(255, 255, 255, 0.06) 0%, rgba(255, 255, 255, 0.015) 100%);
  transition: border-color 0.25s ease, transform 0.25s ease;
}
.official-banner:hover, .official-banner:focus-visible { transform: translateY(-3px); border-color: var(--accent); }
.official-banner__label {
  font-size: 11px; font-weight: 800; letter-spacing: 0.22em; text-transform: uppercase; color: var(--accent);
}
.official-banner strong { font-size: clamp(20px, 2.8vw, 26px); font-weight: 800; line-height: 1.45; }
.official-banner em { font-style: normal; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.official-banner b { margin-top: 6px; font-size: 14px; font-weight: 700; color: var(--accent-bright); }

/* ---------------------------------------------------------- FAQ */
.section-faq { background: linear-gradient(180deg, #04121f 0%, #061f31 100%); }
.faq-grid { display: grid; gap: clamp(14px, 2vw, 18px); grid-template-columns: repeat(auto-fit, minmax(292px, 1fr)); }
.faq-card {
  padding: clamp(20px, 2.6vw, 26px);
  border: 1px solid var(--line); border-radius: 14px;
  background: rgba(255, 255, 255, 0.038);
}
.faq-card h3 {
  margin: 0 0 10px; padding-left: 24px; position: relative;
  font-size: 15.5px; line-height: 1.6; font-weight: 800;
}
.faq-card h3::before {
  content: "Q"; position: absolute; left: 0; top: 0;
  color: var(--accent); font-weight: 900; font-size: 15px;
}
.faq-card p { margin: 0; font-size: 13.5px; color: var(--text-soft); line-height: 1.9; }
.faq-card a { color: var(--accent-bright); text-decoration: underline; text-underline-offset: 3px; }

/* ---------------------------------------------------------- Form */
.section-form {
  background:
    radial-gradient(64% 90% at 80% 14%, rgba(46, 230, 207, 0.12) 0%, transparent 60%),
    linear-gradient(180deg, #061f31 0%, #062a41 100%);
  scroll-margin-top: 80px;
}
.form-layout { display: grid; gap: clamp(26px, 3.6vw, 42px); align-items: start; }
@media (min-width: 980px) { .form-layout { grid-template-columns: minmax(0, 0.88fr) minmax(0, 1.12fr); } }

.form-copy h2 {
  margin: 0 0 16px; font-weight: 900;
  font-size: clamp(24px, 3.8vw, 36px); line-height: 1.35;
}
.form-copy > p { margin: 0 0 20px; color: var(--text-soft); font-size: 14.5px; }
.form-proof-list { margin: 0 0 24px; padding: 0; list-style: none; display: grid; gap: 10px; }
.form-proof-list li {
  position: relative; padding-left: 26px; font-size: 13.5px; color: var(--text-soft); line-height: 1.8;
}
.form-proof-list li::before {
  content: ""; position: absolute; left: 4px; top: 9px; width: 8px; height: 8px;
  border-radius: 50%; background: var(--accent); box-shadow: 0 0 10px rgba(46, 230, 207, 0.7);
}
/* 狭い画面で「330,000円／（税込）」が2行に割れないよう1列に落とす */
.form-price { display: grid; gap: 10px; grid-template-columns: 1fr; }
@media (min-width: 420px) {
  .form-price { grid-template-columns: repeat(auto-fit, minmax(178px, 1fr)); }
}
.form-price > div {
  padding: 14px 18px; border-radius: 12px;
  border: 1px solid var(--line); background: rgba(255, 255, 255, 0.04);
}
.form-price > div.is-member { border-color: var(--accent); background: rgba(46, 230, 207, 0.1); }
.form-price span { display: block; font-size: 11.5px; font-weight: 700; color: var(--muted); letter-spacing: 0.06em; }
.form-price > div.is-member span { color: var(--accent-bright); }
.form-price strong { display: block; margin-top: 2px; font-size: 22px; font-weight: 900; }
.form-price small { font-size: 12px; font-weight: 600; color: var(--muted); margin-left: 2px; }

.camp-form {
  padding: clamp(22px, 3.2vw, 36px);
  border: 1px solid var(--line-strong); border-radius: 20px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow);
}
.camp-form-head { margin-bottom: 22px; }
.camp-form-head h3 { margin: 0 0 6px; font-size: clamp(19px, 2.4vw, 23px); font-weight: 800; }
.camp-form-head p { margin: 0; font-size: 13px; color: var(--muted); }

.form-status {
  margin: 0 0 18px; padding: 13px 16px; border-radius: 10px;
  border: 1px solid rgba(255, 180, 84, 0.5); background: rgba(255, 180, 84, 0.12);
  font-size: 13.5px; color: #ffd9a3;
}
.form-status[hidden] { display: none; }

.camp-form-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.form-field { margin: 0; display: grid; gap: 6px; }
.form-field-full { grid-column: 1 / -1; }
.form-field-trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

.form-field label {
  display: flex; align-items: center; gap: 8px;
  font-size: 12.5px; font-weight: 700; color: var(--text-soft); letter-spacing: 0.02em;
}
.form-field label span {
  padding: 2px 8px; border-radius: 4px;
  background: rgba(46, 230, 207, 0.16); border: 1px solid var(--line-strong);
  font-size: 10px; font-weight: 800; color: var(--accent-bright); letter-spacing: 0.08em;
}
.form-field input,
.form-field select,
.form-field textarea {
  width: 100%; padding: 12px 14px;
  border: 1px solid rgba(120, 200, 214, 0.26); border-radius: 10px;
  background: rgba(4, 18, 31, 0.6); color: var(--text);
  font-family: inherit; font-size: 15px; line-height: 1.6;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.form-field textarea { resize: vertical; min-height: 120px; }
.form-field select {
  appearance: none; -webkit-appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--accent) 50%), linear-gradient(135deg, var(--accent) 50%, transparent 50%);
  background-position: calc(100% - 20px) calc(50% + 1px), calc(100% - 14px) calc(50% + 1px);
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
  padding-right: 40px;
}
.form-field select option { background: #06202f; color: var(--text); }
.form-field input::placeholder,
.form-field textarea::placeholder { color: rgba(157, 184, 200, 0.6); }
.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
  outline: none; border-color: var(--accent);
  background: rgba(4, 18, 31, 0.85);
  box-shadow: 0 0 0 3px rgba(46, 230, 207, 0.18);
}

/* 気になっているテーマ（任意・複数選択） */
.form-fieldset { border: 0; padding: 0; margin: 0; min-width: 0; }
.form-fieldset legend {
  display: flex; align-items: center; gap: 8px; padding: 0; margin-bottom: 8px;
  font-size: 12.5px; font-weight: 700; color: var(--text-soft); letter-spacing: 0.02em;
}
.form-optional {
  padding: 2px 8px; border-radius: 4px;
  border: 1px solid rgba(120, 200, 214, 0.3); background: rgba(255, 255, 255, 0.05);
  font-size: 10px; font-weight: 700; color: var(--muted); letter-spacing: 0.06em;
}
.form-checks { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); }
.form-check {
  display: flex; align-items: flex-start; gap: 9px;
  padding: 10px 13px; border-radius: 10px;
  border: 1px solid rgba(120, 200, 214, 0.2); background: rgba(255, 255, 255, 0.03);
  font-size: 12.5px; color: var(--text-soft); line-height: 1.7; cursor: pointer;
  transition: border-color 0.2s ease, background 0.2s ease;
}
.form-check:hover { border-color: var(--line-strong); background: rgba(46, 230, 207, 0.06); }
.form-check:has(input:checked) {
  border-color: var(--accent); background: rgba(46, 230, 207, 0.11); color: var(--text);
}
.form-check input {
  flex: none; width: 17px; height: 17px; margin-top: 1px;
  accent-color: var(--accent); cursor: pointer;
}

.form-consent {
  display: flex; align-items: flex-start; gap: 11px;
  padding: 14px 16px; border-radius: 12px;
  border: 1px solid rgba(120, 200, 214, 0.2); background: rgba(255, 255, 255, 0.035);
  font-size: 12.5px; color: var(--text-soft); line-height: 1.8; cursor: pointer;
}
.form-consent input {
  flex: none; width: 19px; height: 19px; margin-top: 2px;
  accent-color: var(--accent); cursor: pointer;
}

.form-submit { margin-top: 24px; display: grid; gap: 12px; justify-items: center; }
.form-submit .button { width: 100%; }
.form-submit p { margin: 0; font-size: 12px; color: var(--muted); text-align: center; line-height: 1.8; }
.camp-form.is-submitting { opacity: 0.75; pointer-events: none; }

/* ---------------------------------------------------------- Footer */
.site-footer {
  padding: clamp(38px, 5vw, 56px) 0 96px; /* 下部は固定CTAぶんの余白 */
  background: #030d17; border-top: 1px solid var(--line);
}
@media (min-width: 901px) {
  .site-footer { padding-bottom: clamp(38px, 5vw, 56px); }
}
.footer-inner {
  display: grid; gap: 22px; align-items: start;
}
@media (min-width: 820px) { .footer-inner { grid-template-columns: minmax(0, 1fr) auto; } }
.footer-inner strong { display: block; font-size: 16px; font-weight: 800; margin-bottom: 8px; }
.footer-inner p { margin: 0; font-size: 12.5px; color: var(--muted); line-height: 1.9; }
.footer-inner nav { display: flex; flex-wrap: wrap; gap: 10px 20px; }
.footer-inner nav a { font-size: 13px; color: var(--text-soft); transition: color 0.2s ease; }
.footer-inner nav a:hover, .footer-inner nav a:focus-visible { color: var(--accent-bright); }

/* ---------------------------------------------------------- Sticky CTA (mobile) */
.sticky-cta {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 90;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom, 0px));
  background: rgba(4, 18, 31, 0.95);
  border-top: 1px solid var(--line-strong);
  backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px);
  transform: translateY(110%); transition: transform 0.3s ease;
}
.sticky-cta.is-shown { transform: translateY(0); }
.sticky-cta[hidden] { display: none; }
.sticky-cta__inner { display: flex; align-items: center; gap: 12px; max-width: 640px; margin-inline: auto; }
.sticky-cta__copy { margin: 0; display: grid; line-height: 1.4; flex: none; }
.sticky-cta__copy strong { font-size: 12px; font-weight: 800; color: var(--text-soft); }
.sticky-cta__copy span { font-size: 13px; font-weight: 900; color: var(--alert); }
.sticky-cta .button { flex: 1; padding: 12px 18px; font-size: 14px; }
@media (min-width: 901px) { .sticky-cta { display: none !important; } }

/* ---------------------------------------------------------- Reveal */
.js [data-reveal] {
  opacity: 0; transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s cubic-bezier(0.22, 0.8, 0.3, 1);
}
.js [data-reveal].is-visible { opacity: 1; transform: none; }

@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;
  }
  [data-reveal] { opacity: 1; transform: none; }
}

/* ---------------------------------------------------------- Thanks page */
.thanks-hero {
  padding: clamp(64px, 10vw, 116px) 0 clamp(44px, 6vw, 72px);
  background:
    radial-gradient(90% 90% at 70% 16%, rgba(46, 230, 207, 0.16) 0%, transparent 62%),
    linear-gradient(168deg, #04121f 0%, #072133 50%, #0a2f47 100%);
}
.thanks-card {
  max-width: 760px; padding: clamp(28px, 4.4vw, 48px);
  border: 1px solid var(--line-strong); border-radius: 20px;
  background: linear-gradient(155deg, rgba(255, 255, 255, 0.075) 0%, rgba(255, 255, 255, 0.02) 100%);
  box-shadow: var(--shadow);
  text-align: center;
}
.thanks-status {
  display: inline-block; margin: 0 0 16px; padding: 7px 18px; border-radius: 999px;
  border: 1px solid var(--line-strong); background: rgba(46, 230, 207, 0.12);
  font-size: 12.5px; font-weight: 800; color: var(--accent-bright); letter-spacing: 0.06em;
}
.thanks-card h1 {
  margin: 0 0 18px; font-size: clamp(23px, 3.8vw, 36px); line-height: 1.45; font-weight: 900;
}
.thanks-card > p { margin: 0; color: var(--text-soft); font-size: 14.5px; text-align: left; }
.thanks-actions { display: flex; flex-wrap: wrap; justify-content: center; gap: 12px; margin-top: 28px; }
.section-thanks-next { padding: clamp(48px, 7vw, 80px) 0; background: linear-gradient(180deg, #051a2a 0%, #04121f 100%); }
.thanks-next-grid { display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(232px, 1fr)); }
.thanks-next-grid article {
  padding: clamp(22px, 3vw, 28px); border: 1px solid var(--line); border-radius: 16px;
  background: rgba(255, 255, 255, 0.04);
}
.thanks-next-grid span {
  display: block; margin-bottom: 8px; font-size: 12px; font-weight: 900;
  letter-spacing: 0.2em; color: var(--accent);
}
.thanks-next-grid h2 { margin: 0 0 8px; font-size: 17px; font-weight: 800; }
.thanks-next-grid p { margin: 0; font-size: 13.5px; color: var(--muted); line-height: 1.85; }
.site-nav-static { display: flex; }
@media (max-width: 900px) {
  .site-nav-static {
    position: static; max-height: none; opacity: 1; pointer-events: auto;
    padding: 0; background: none; border: 0; display: none;
  }
}