/* =================================================
   RCWorks 宮古島分譲LP - style.css
   Aqua × Sand リゾートパレット / モバイルファースト
   ================================================= */

/* ---------- Design Tokens ---------- */
:root {
  /* メイン（リゾート・アクア） */
  --color-aqua: #1FA0C2;          /* 主役アクア */
  --color-aqua-deep: #157A96;     /* 濃いアクア（hover等） */
  --color-aqua-light: #6FCBDD;
  --color-aqua-pale: #EAF6FA;     /* 淡い水色背景 */

  /* インク（締め色・見出し・暗セクション） */
  --color-ink: #103A4C;           /* ディープティール */
  --color-ink-2: #17506A;

  /* サンド（砂浜ベース） */
  --color-sand: #F7F1E7;
  --color-sand-2: #EFE4D2;

  /* アクセント（控えめゴールド） */
  --color-gold: #C9A961;

  /* エリア識別 */
  --color-nishizato: #1B6E8C;     /* 利便性＝青寄り */
  --color-nakasone: #4A9E7F;      /* 自然＝緑寄り */

  /* ベース */
  --color-white: #FFFFFF;

  /* テキスト */
  --color-text: #20323A;
  --color-text-muted: #5E727B;
  --color-text-on-dark: rgba(255, 255, 255, 0.92);

  /* 効果 */
  --shadow-sm: 0 2px 8px rgba(16, 58, 76, 0.08);
  --shadow-card: 0 6px 20px rgba(16, 58, 76, 0.12);
  --shadow-elevated: 0 12px 32px rgba(16, 58, 76, 0.18);

  /* フォント */
  --font-serif: 'Noto Serif JP', 'Yu Mincho', serif;
  --font-sans: 'Noto Sans JP', 'Hiragino Sans', sans-serif;

  /* レイアウト */
  --header-h: 60px;
}

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

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

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }

:focus-visible {
  outline: 2px solid var(--color-aqua);
  outline-offset: 2px;
}

/* アンカー位置を固定ヘッダー分ずらす */
section[id] { scroll-margin-top: var(--header-h); }

.visually-hidden {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap; border: 0;
}

/* ---------- Layout helpers ---------- */
.section { padding: 56px 20px; }
.section--aqua { background: var(--color-aqua-pale); }

.container { width: 100%; max-width: 1080px; margin: 0 auto; }
.container--narrow { max-width: 720px; }

.section-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.45;
  text-align: center;
  color: var(--color-ink);
}
.section-title--light { color: var(--color-white); }

.section-line {
  display: block;
  width: 48px; height: 2px;
  background: var(--color-aqua);
  margin: 14px auto 0;
}

.section-sub {
  text-align: center;
  font-size: 14px;
  color: var(--color-text-muted);
  margin-top: 12px;
}

/* ---------- Buttons ---------- */
.btn-primary,
.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 30px;
  border-radius: 999px;
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 14px;
  text-decoration: none;
  transition: all 0.2s ease;
}

.btn-primary {
  background: var(--color-aqua);
  border: 1px solid var(--color-aqua);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(31, 160, 194, 0.3);
}
.btn-primary:hover {
  background: var(--color-aqua-deep);
  border-color: var(--color-aqua-deep);
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--color-aqua);
  color: var(--color-aqua-deep);
}
.btn-outline:hover {
  background: var(--color-aqua);
  color: var(--color-white);
}

.btn-block { display: flex; width: 100%; margin-top: 24px; }

/* =================================================
   固定ヘッダー
   ================================================= */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 200;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(16, 58, 76, 0.08);
  transition: box-shadow 0.25s ease, background 0.25s ease;
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  height: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.site-header__brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  min-width: 0;
}
.site-header__logo { height: 19px; width: auto; }
.site-header__tagline {
  font-size: 10px;
  letter-spacing: 0;
  color: var(--color-ink-2);
  white-space: nowrap;
  border-left: 1px solid rgba(16, 58, 76, 0.2);
  padding-left: 8px;
}

.site-header__cta {
  display: none;
  align-items: center;
  justify-content: center;
  padding: 9px 22px;
  border-radius: 999px;
  background: var(--color-aqua);
  color: var(--color-white);
  font-weight: 700;
  font-size: 13px;
  text-decoration: none;
  transition: background 0.2s ease;
}
.site-header__cta:hover { background: var(--color-aqua-deep); }

/* =================================================
   1. FV（承認版の合成画像を全幅表示）
   ================================================= */
.fv {
  background: var(--color-white);
  padding-top: var(--header-h); /* 固定ヘッダー分だけ下げる */
  line-height: 0;
}
.fv__img {
  display: block;
  width: 100%;
  height: auto;       /* 切り抜かず全体を表示 */
}

.tag--nishizato { background: var(--color-nishizato); }
.tag--nakasone  { background: var(--color-nakasone); }

/* =================================================
   2. オープンハウス（薄リボン 約70px）
   ================================================= */
.ribbon {
  position: relative;
  min-height: 72px;
  display: flex;
  align-items: center;
  overflow: hidden;
}
.ribbon__bg {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
}
.ribbon__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(16, 58, 76, 0.85) 0%, rgba(16, 58, 76, 0.55) 100%);
}
.ribbon__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--color-white);
}
.ribbon__text {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px 10px;
  font-size: 13px;
  line-height: 1.4;
}
.ribbon__badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  border-radius: 4px;
  background: var(--color-gold);
  color: var(--color-ink);
}
.ribbon__text strong { font-size: 15px; }
.ribbon__sub { font-size: 12px; color: rgba(255, 255, 255, 0.8); }
.ribbon__link {
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  text-decoration: none;
  white-space: nowrap;
}
.ribbon__link:hover { color: var(--color-aqua-light); }

/* =================================================
   3. クイズ
   ================================================= */
.quiz {
  background:
    linear-gradient(rgba(255, 255, 255, 0.82), rgba(255, 255, 255, 0.82)),
    url(../assets/images/oceanview.webp) center / cover no-repeat;
}

.quiz__concept {
  text-align: center;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.7;
  color: var(--color-ink-2);
  margin-bottom: 20px;
}
.quiz__concept span {
  color: var(--color-aqua);
  font-style: italic;
  padding: 0 4px;
}

.quiz-container { max-width: 540px; margin: 28px auto 0; }

.quiz-progress {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-bottom: 22px;
}
.quiz-progress[hidden] { display: none; }
.quiz-progress .dot {
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--color-sand-2);
  transition: background 0.3s ease;
}
.quiz-progress .dot.active { background: var(--color-aqua); }

.quiz-card {
  background: var(--color-white);
  border: 1px solid var(--color-sand-2);
  border-radius: 16px;
  padding: 30px 22px;
  text-align: center;
  box-shadow: var(--shadow-card);
  transition: opacity 0.3s ease;
}
.quiz-card.is-fading { opacity: 0; }

.quiz-question {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 19px;
  color: var(--color-ink);
}
.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-top: 22px;
}
.quiz-option {
  width: 100%;
  padding: 15px 20px;
  background: var(--color-white);
  border: 1px solid var(--color-aqua);
  border-radius: 999px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-aqua-deep);
  transition: all 0.2s ease;
}
.quiz-option:hover {
  background: var(--color-aqua);
  color: var(--color-white);
}

.quiz-result {
  text-align: center;
  background: var(--color-ink);
  border-radius: 16px;
  padding: 32px 24px;
  box-shadow: var(--shadow-card);
  animation: slideUp 0.4s ease;
}
.quiz-result[hidden] { display: none; }
.result-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.1em;
  padding: 4px 16px;
  border-radius: 999px;
  background: var(--color-aqua);
  color: var(--color-white);
  font-weight: 700;
}
.result-title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 23px;
  color: var(--color-white);
  margin-top: 16px;
}
.result-title #result-area { color: var(--color-aqua-light); }
.result-desc {
  color: var(--color-text-on-dark);
  font-size: 14px;
  margin: 12px 0 24px;
}
.quiz-retry {
  display: block;
  margin: 16px auto 0;
  background: none; border: none;
  color: var(--color-text-on-dark);
  font-size: 13px;
  text-decoration: underline;
  opacity: 0.8;
}
.quiz-retry:hover { opacity: 1; }

@keyframes slideUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* =================================================
   4 & 5. PICKUP 物件
   ================================================= */
.pickup-head { text-align: center; }
.pickup-head__tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 4px 16px;
  border-radius: 999px;
  color: var(--color-white);
  margin-bottom: 14px;
}

.pickup-layout {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* 写真カルーセル（コンパクト・一箇所集約） */
.carousel {
  position: relative;
  border-radius: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.carousel__track { display: flex; transition: transform 0.4s ease; }
.carousel__slide { min-width: 100%; }
.carousel__slide img { width: 100%; height: 230px; object-fit: cover; }

.carousel__btn {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 38px; height: 38px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.85);
  color: var(--color-ink);
  font-size: 20px; line-height: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-sm);
  transition: background 0.2s ease;
}
.carousel__btn:hover { background: var(--color-white); }
.carousel__btn--prev { left: 10px; }
.carousel__btn--next { right: 10px; }

.carousel__dots {
  position: absolute;
  bottom: 10px; left: 0; right: 0;
  display: flex; justify-content: center; gap: 7px;
}
.carousel__dots .dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.6);
  border: none; padding: 0;
}
.carousel__dots .dot.active { background: var(--color-white); }

.pickup {
  background: var(--color-white);
  border: 1px solid var(--color-sand-2);
  border-left: 4px solid var(--color-aqua);
  border-radius: 12px;
  padding: 18px 22px;
}
.section--aqua .pickup { border-color: rgba(31,160,194,0.2); border-left-color: var(--color-aqua); }
.pickup__label {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-aqua-deep);
}
.pickup__price {
  font-family: var(--font-serif);
  font-size: 28px;
  color: var(--color-gold);
  margin: 4px 0 8px;
}
.pickup__spec {
  font-size: 13px;
  color: var(--color-text-muted);
  line-height: 1.7;
}

.feature-icons {
  display: flex;
  gap: 10px;
  margin: 20px 0;
}
.feature-icons__item { flex: 1; text-align: center; }
.feature-icons__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 50px; height: 50px;
  border-radius: 50%;
  background: var(--color-white);
  border: 1px solid var(--color-nishizato);
  color: var(--color-nishizato);
}
.section--aqua .feature-icons__icon { background: var(--color-white); }
.feature-icons__icon--green {
  border-color: var(--color-nakasone);
  color: var(--color-nakasone);
}
.feature-icons__text {
  display: block;
  margin-top: 8px;
  font-size: 12px;
  font-weight: 500;
}

.pickup-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.pickup-actions .btn-primary,
.pickup-actions .btn-outline { width: 100%; }

/* =================================================
   6. キャンペーン（コンパクト・SP横並び）
   ================================================= */
.campaign {
  background: linear-gradient(160deg, var(--color-ink) 0%, var(--color-ink-2) 100%);
  color: var(--color-text-on-dark);
}
.campaign__eyebrow {
  display: block;
  width: fit-content;
  margin: 0 auto 14px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 5px 16px;
  border-radius: 999px;
  background: var(--color-gold);
  color: var(--color-ink);
}

.campaign__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 28px;
}
.prize-card {
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 12px;
  padding: 12px;
}
.prize-card--grand { border-color: var(--color-gold); }
.prize-card__photo {
  flex: 0 0 52px;
  border-radius: 8px;
  overflow: hidden;
}
.prize-card__photo img { width: 52px; height: 52px; object-fit: cover; }
.prize-card__body { min-width: 0; }
.prize-card__label {
  font-size: 11px;
  font-weight: 700;
  color: var(--color-gold);
}
.prize-card__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 13px;
  line-height: 1.45;
  color: var(--color-white);
  margin-top: 2px;
}
.prize-card__meta { font-size: 12px; margin-top: 2px; }
.prize-card__value { color: var(--color-aqua-light); font-weight: 700; }

.campaign__notes {
  margin-top: 22px;
  font-size: 12px;
  line-height: 1.85;
  color: rgba(255, 255, 255, 0.8);
}
.campaign__note-small { font-size: 11px; color: rgba(255, 255, 255, 0.6); }

/* =================================================
   7. FAQ
   ================================================= */
.faq { background: var(--color-sand); }
.accordion {
  margin-top: 28px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.accordion__item {
  background: var(--color-white);
  border: 1px solid var(--color-sand-2);
  border-radius: 10px;
  overflow: hidden;
}
.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: none; border: none;
  text-align: left;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-ink);
}
.accordion__icon {
  flex-shrink: 0;
  font-size: 22px; line-height: 1;
  color: var(--color-aqua);
  transition: transform 0.3s ease;
}
.accordion__trigger[aria-expanded="true"] .accordion__icon { transform: rotate(180deg); }
.accordion__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.accordion__panel p {
  padding: 0 18px 18px;
  font-size: 14px;
  color: var(--color-text-muted);
}

/* =================================================
   8. 最終CTA / フォーム
   ================================================= */
.final-cta { background: var(--color-aqua-pale); text-align: center; }
.final-cta__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 25px;
  color: var(--color-ink);
}
.final-cta__sub { font-size: 15px; color: var(--color-text-muted); margin-top: 10px; }

/* 電話CTA */
.tel-cta {
  max-width: 460px;
  margin: 28px auto 0;
  background: var(--color-white);
  border: 1px solid var(--color-aqua);
  border-radius: 14px;
  padding: 20px 24px;
  box-shadow: var(--shadow-card);
}
.tel-cta__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--color-aqua-deep);
  letter-spacing: 0.03em;
}
.tel-cta__num {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin-top: 6px;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 32px;
  line-height: 1.1;
  color: var(--color-ink);
  text-decoration: none;
}
.tel-cta__num svg {
  width: 26px; height: 26px;
  color: var(--color-aqua);
  flex-shrink: 0;
}
.tel-cta__num:hover { color: var(--color-aqua-deep); }
.tel-cta__hours {
  margin-top: 8px;
  font-size: 12px;
  color: var(--color-text-muted);
}

.tel-cta__divider {
  display: flex;
  align-items: center;
  gap: 14px;
  max-width: 460px;
  margin: 22px auto 0;
  color: var(--color-text-muted);
  font-size: 12px;
}
.tel-cta__divider::before,
.tel-cta__divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: rgba(16, 58, 76, 0.15);
}
.tel-cta__divider span { white-space: nowrap; }

.form-wrapper {
  max-width: 640px;
  margin: 28px auto 0;
  background: var(--color-white);
  border: 1px solid var(--color-sand-2);
  border-radius: 14px;
  padding: 20px;
  box-shadow: var(--shadow-card);
}
.form-wrapper iframe { width: 100%; border: none; display: block; }
.final-cta__note { font-size: 13px; color: var(--color-text-muted); margin-top: 18px; }

/* =================================================
   フッター（最小）
   ================================================= */
.footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.7);
  text-align: center;
  padding: 30px 20px;
}
.footer__name {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 12px;
}
.footer__licenses {
  display: inline-flex;
  flex-direction: column;
  gap: 5px;
  margin: 0 auto;
  font-size: 11px;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.6);
  text-align: left;
}
.footer__license-tag {
  display: inline-block;
  min-width: 8.5em;
  margin-right: 8px;
  padding: 1px 8px;
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 4px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.75);
  text-align: center;
}
.footer__copy {
  font-size: 12px;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
  .footer__licenses {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 8px 18px;
  }
}

/* =================================================
   スティッキーCTA（モバイルのみ）
   ================================================= */
.sticky-cta {
  position: fixed;
  bottom: 16px;
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  z-index: 150;
  padding: 14px 40px;
  background: var(--color-aqua);
  color: var(--color-white);
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  text-decoration: none;
  box-shadow: var(--shadow-elevated);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease, transform 0.3s ease;
}
.sticky-cta.is-visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateX(-50%) translateY(0);
}

/* =================================================
   スクロールフェードイン
   ================================================= */
.fade-in-up {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible { opacity: 1; transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .fade-in-up { opacity: 1; transform: none; transition: none; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* =================================================
   タブレット (768px+)
   ================================================= */
@media (min-width: 768px) {
  :root { --header-h: 68px; }
  body { font-size: 15px; }

  .section { padding: 72px 40px; }
  .section-title { font-size: 27px; }

  .site-header__logo { height: 26px; }
  .site-header__tagline { display: none; }
  .site-header__cta { display: inline-flex; }

  .ribbon { min-height: 76px; }
  .ribbon__text { font-size: 14px; }
  .ribbon__text strong { font-size: 16px; }

  /* PICKUP：写真左 / 情報右 */
  .pickup-layout {
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }
  .pickup-layout--reverse { flex-direction: row-reverse; }
  .pickup-layout > .carousel { flex: 1 1 52%; min-width: 0; }
  .pickup-info { flex: 1 1 48%; min-width: 0; }
  .carousel__slide img { height: 300px; }

  .pickup-actions { flex-direction: row; }
  .pickup-actions .btn-primary,
  .pickup-actions .btn-outline { width: auto; flex: 1; }

  .campaign__grid { gap: 16px; max-width: 720px; margin-left: auto; margin-right: auto; }
  .prize-card { padding: 16px; gap: 16px; }
  .prize-card__photo { flex-basis: 84px; }
  .prize-card__photo img { width: 84px; height: 84px; }
  .prize-card__title { font-size: 16px; }
}

/* =================================================
   PC (1280px+)
   ================================================= */
@media (min-width: 1280px) {
  body { font-size: 16px; }
  .section { padding: 88px 40px; }
  .section-title { font-size: 30px; }

  .carousel__slide img { height: 340px; }

  /* スティッキーCTA非表示 */
  .sticky-cta { display: none !important; }
}