:root {
  --blue: #2E6FDB;
  --pink: #E91E63;
  --bg: #EAF6FF;
  --text: #111111;
  --text-sub: #444444;
  --card-bg: #FFFFFF;
  --card-shadow: 0 4px 16px rgba(20, 40, 80, 0.08);
  --max-width: 480px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Yu Gothic", Meiryo, sans-serif;
  overflow-x: hidden;
}

.lp {
  max-width: var(--max-width);
  margin: 0 auto;
  background: #FFFFFF;
  min-height: 100vh;
  position: relative;
  padding-bottom: 84px; /* スマホ追従CTAの高さぶん確保 */
}

.lp-section {
  position: relative;
}

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

.section-bg-img {
  display: block;
  width: 100%;
  height: auto;
}

.logo-slot {
  position: relative;
  width: 100%;
  height: 48px; /* 実ロゴ配置時に調整。共通ヘッダーに委ねる場合は削除可 */
  /* 実装時：ここに <img src="ロゴ.svg"> を中央揃えで配置 */
}

.section-title {
  font-size: clamp(22px, 6vw, 28px);
  font-weight: 800;
  text-align: center;
  margin: 0 0 24px;
  color: var(--text);
}

/* ===== 1. FV ===== */
.lp-section--fv {
  background: linear-gradient(180deg, #FFFFFF 0%, #EAF6FF 100%);
  padding: 24px 24px 32px;
  text-align: center;
}

.fv-copy {
  margin-bottom: 24px;
}

.eyebrow {
  display: inline-block;
  border: 2px solid var(--blue);
  color: var(--blue);
  font-weight: 700;
  font-size: 13px;
  padding: 6px 18px;
  border-radius: 999px;
  margin: 0 0 16px;
}

.fv-headline {
  font-size: clamp(26px, 7.5vw, 36px);
  font-weight: 800;
  line-height: 1.35;
  margin: 0 0 16px;
  color: var(--text);
}

.fv-sub {
  font-size: clamp(14px, 3.6vw, 16px);
  color: var(--text-sub);
  margin: 0;
}

.lp-section--fv .section-img {
  border-radius: 16px;
  margin-bottom: 24px;
}

/* ===== CTAボタン（画像焼き込みCTAをHTML実装に置換） ===== */
.cta-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  max-width: 340px;
  margin: 0 auto;
  padding: 16px 0;
  border: 2px solid var(--pink);
  border-radius: 999px;
  background: #fff;
  color: var(--pink);
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
}

.cta-button:active {
  background: #FDEFF4;
}

.cta-button__icon {
  width: 18px;
  height: 18px;
  color: var(--pink);
}

/* ===== 2. こんな方へ ===== */
.lp-section--target {
  padding: 40px 24px 0;
  position: relative;
  overflow: hidden;
}

.check-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.check-list__item {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 20px;
}

.check-list__icon {
  flex: 0 0 auto;
  width: 40px;
  height: 40px;
  border-radius: 999px;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
}

.check-list__icon svg {
  width: 22px;
  height: 22px;
}

.check-list__text {
  font-size: clamp(16px, 4.4vw, 19px);
  font-weight: 700;
  color: var(--text);
}

.target-note {
  font-size: 14px;
  color: var(--text-sub);
  margin: 0 0 24px;
  position: relative;
  z-index: 1;
}

.lp-section--target .section-bg-img {
  display: block;
}

/* ===== 3. この交流会について ===== */
.lp-section--about {
  padding: 40px 24px;
  background: linear-gradient(180deg, #FFFFFF 0%, #EAF6FF 100%);
}

.lp-section--about .section-title {
  text-align: left;
}

.about-lead {
  font-size: clamp(17px, 4.6vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  margin: 0 0 20px;
  color: var(--text);
}

.about-body {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  margin: 0 0 28px;
}

.about-icons {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 24px;
  margin: 0 0 24px;
  padding: 0;
}

.about-icons__item img {
  width: 84px;
  height: 84px;
  border-radius: 999px;
  display: block;
}

.about-organizer {
  font-size: 14px;
  color: var(--text-sub);
  text-align: center;
  margin: 0;
}

/* ===== 4. 開催概要 ===== */
.lp-section--overview {
  padding: 40px 24px;
}

.overview-list {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.overview-list__item {
  display: grid;
  grid-template-columns: 56px 1fr;
  column-gap: 16px;
  align-items: center;
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 20px;
}

.overview-list__icon {
  grid-row: span 2;
  width: 48px;
  height: 48px;
}

.overview-list__label {
  font-size: 13px;
  color: var(--text-sub);
  font-weight: 700;
}

.overview-list__value {
  font-size: clamp(16px, 4.2vw, 18px);
  font-weight: 700;
  color: var(--text);
}

.overview-note {
  font-size: 14px;
  color: var(--text-sub);
  text-align: center;
  margin: 0;
}

/* ===== 5. 日程を選ぶ（HTML/CSS実装セクション） ===== */
.lp-section--schedule {
  padding: 32px 20px 40px;
  background: linear-gradient(180deg, #EAF6FF 0%, #FFFFFF 100%);
}

.schedule-title {
  font-size: 22px;
  font-weight: 700;
  text-align: center;
  margin: 0 0 20px;
  color: var(--text);
}

.schedule-card {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 20px;
  margin-bottom: 16px;
}

.schedule-card__badge {
  display: inline-block;
  background: var(--blue);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.schedule-card__date {
  font-size: 19px;
  font-weight: 700;
  color: var(--text);
}

.schedule-card__time {
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 12px;
}

.schedule-card__row {
  display: flex;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  margin-bottom: 4px;
}

.schedule-card__label {
  flex: 0 0 auto;
  font-weight: 700;
  color: var(--text);
}

.schedule-card__cta {
  display: block;
  text-align: center;
  margin-top: 16px;
  padding: 14px 0;
  border: 2px solid var(--pink);
  color: var(--pink);
  font-weight: 700;
  font-size: 16px;
  border-radius: 999px;
  text-decoration: none;
  background: #fff;
}

.schedule-card__cta:active {
  background: #FDEFF4;
}

.schedule-card--placeholder {
  background: #F5F7FA;
  box-shadow: none;
  border: 1px dashed #C7D2E0;
}

.schedule-card__badge--muted {
  background: #C7D2E0;
  color: #5B6B82;
}

.schedule-card__date--muted {
  color: #8A97A8;
  font-weight: 400;
  font-size: 15px;
}

/* ===== 6. FAQ ===== */
.lp-section--faq {
  padding: 40px 24px;
  background: linear-gradient(180deg, #EAF6FF 0%, #FFFFFF 100%);
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--card-bg);
  border-radius: 16px;
  box-shadow: var(--card-shadow);
  padding: 20px;
}

.faq-item__q {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: clamp(16px, 4.2vw, 18px);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
}

.faq-item__a {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-sub);
  margin: 0;
}

.faq-badge {
  flex: 0 0 auto;
  font-weight: 800;
  font-size: 16px;
  line-height: 1;
}

.faq-badge--q {
  width: 28px;
  height: 28px;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
}

.faq-badge--a {
  width: 28px;
  text-align: center;
  color: var(--pink);
  padding-top: 2px;
}

/* ===== 7. 最終CTA ===== */
.lp-section--final {
  padding: 40px 24px 32px;
  text-align: center;
}

.final-headline {
  font-size: clamp(22px, 6vw, 27px);
  font-weight: 800;
  line-height: 1.4;
  margin: 0 0 24px;
  color: var(--text);
}

.lp-section--final .section-img {
  border-radius: 16px;
  margin-bottom: 24px;
}

/* ===== フッター ===== */
.lp-footer {
  text-align: center;
  padding: 24px 20px 32px;
  font-size: 12px;
  color: var(--text-sub);
  background: #FFFFFF;
}

.lp-footer__organizer {
  margin: 0 0 8px;
}

.lp-footer__links {
  margin: 0;
}

.lp-footer__links a {
  color: var(--text-sub);
  text-decoration: underline;
}

/* ===== スマホ追従CTA ===== */
.sticky-cta {
  position: fixed;
  left: 50%;
  bottom: 16px;
  transform: translateX(-50%);
  width: calc(100% - 40px);
  max-width: calc(var(--max-width) - 40px);
  background: var(--pink);
  color: #fff;
  text-align: center;
  padding: 14px 0;
  border-radius: 999px;
  font-weight: 700;
  font-size: 16px;
  text-decoration: none;
  box-shadow: 0 6px 16px rgba(233, 30, 99, 0.35);
  z-index: 100;
}

html {
  scroll-behavior: smooth;
}

/* ===== レスポンシブ（タブレット・PC幅） ===== */
@media (min-width: 640px) {
  :root {
    --max-width: 640px;
  }

  body {
    background: #DCEBFA;
  }

  .lp {
    box-shadow: 0 0 40px rgba(20, 40, 80, 0.12);
    padding-bottom: 40px; /* PC幅ではスマホ追従CTAを非表示にするため確保不要 */
  }

  .sticky-cta {
    display: none; /* PC幅は各セクションのCTAボタンで導線を確保 */
  }

  .check-list {
    flex-direction: row;
  }

  .check-list__item {
    flex: 1 1 0;
    flex-direction: column;
    text-align: center;
  }

  .overview-list__item {
    grid-template-columns: 64px 1fr;
  }
}

@media (min-width: 900px) {
  :root {
    --max-width: 760px;
  }
}