/* ============================================
   Choice Step LP — style.css
   和歌山の海を思わせる深い藍 × 生成りの温かみ
   ============================================ */

:root {
  --font-heading: 'Zen Kaku Gothic New', system-ui, -apple-system, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-body: 'Zen Kaku Gothic New', system-ui, -apple-system, 'Hiragino Kaku Gothic ProN', 'Yu Gothic', sans-serif;
  --font-serif: 'Shippori Mincho', 'Hiragino Mincho ProN', serif;

  --color-bg: #FBF7EF;
  --color-bg-alt: #F1EADA;
  --color-ink: #202E37;
  --color-ink-soft: #526069;
  --color-primary: #1C3D52;
  --color-primary-dark: #0F2534;
  --color-primary-tint: #E7EEF1;
  --color-accent: #C1743B;
  --color-line: rgba(28, 61, 82, 0.16);
  --color-card: #FFFFFF;

  --radius-sm: 4px;
  --radius-md: 10px;
  --shadow-card: 0 18px 40px -24px rgba(15, 37, 52, 0.35);

  --max-width: 1120px;
}

/* ---------- Reset ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-bg);
  background-image:
    radial-gradient(rgba(28, 61, 82, 0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1, h2, h3, p, ul, ol, li, figure, details { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button { font: inherit; background: none; border: none; cursor: pointer; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-primary);
  color: #fff;
  padding: 12px 20px;
  z-index: 999;
}
.skip-link:focus { left: 16px; top: 16px; }

.section-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 96px 28px;
}

.section-eyebrow {
  font-family: var(--font-serif);
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent);
  font-size: 0.85rem;
  margin-bottom: 14px;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 1.2rem + 1.6vw, 2.35rem);
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
  line-height: 1.5;
  margin-bottom: 48px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 34px;
  font-weight: 700;
  font-size: 0.98rem;
  border-radius: var(--radius-sm);
  border: 2px solid transparent;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease, color 0.2s ease;
}
.btn[hidden] { display: none; }
.btn-primary {
  background-color: var(--color-primary);
  color: #FBF7EF;
  box-shadow: 0 14px 28px -14px rgba(15, 37, 52, 0.6);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 20px 34px -16px rgba(15, 37, 52, 0.65); }
.btn-ghost {
  background-color: transparent;
  color: var(--color-primary-dark);
  border-color: var(--color-primary);
}
.btn-ghost:hover { background-color: var(--color-primary); color: #FBF7EF; }

/* ============================================
   Header
   ============================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(251, 247, 239, 0.92);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 18px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo { display: flex; flex-direction: column; line-height: 1.3; }
.logo-main {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.2rem;
  color: var(--color-primary-dark);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-family: var(--font-serif);
  font-size: 0.66rem;
  color: var(--color-ink-soft);
  letter-spacing: 0.1em;
}

.site-nav ul { display: flex; gap: 32px; }
.site-nav a {
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--color-ink);
  position: relative;
  padding-bottom: 4px;
}
.site-nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%;
  bottom: 0;
  height: 2px;
  background-color: var(--color-accent);
  transition: right 0.25s ease;
}
.site-nav a:hover::after { right: 0; }

.header-cta {
  flex-shrink: 0;
  background-color: var(--color-primary);
  color: #FBF7EF;
  font-weight: 700;
  font-size: 0.88rem;
  padding: 11px 22px;
  border-radius: var(--radius-sm);
  transition: background-color 0.2s ease;
}
.header-cta:hover { background-color: var(--color-primary-dark); }

.mobile-nav { display: none; }

/* ============================================
   Hero
   ============================================ */
.hero {
  position: relative;
  background: linear-gradient(160deg, var(--color-primary-dark) 0%, var(--color-primary) 62%, #2C5069 100%);
  color: #FBF7EF;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 82% 18%, rgba(255,255,255,0.09), transparent 45%),
    radial-gradient(circle at 8% 92%, rgba(193,116,59,0.22), transparent 40%);
  pointer-events: none;
}
.hero-inner { position: relative; padding-top: 116px; padding-bottom: 128px; text-align: center; }
.hero-eyebrow {
  font-family: var(--font-serif);
  letter-spacing: 0.16em;
  font-size: 0.85rem;
  color: #E3C9AE;
  margin-bottom: 24px;
}
.hero-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(2.1rem, 1.5rem + 3vw, 3.6rem);
  line-height: 1.45;
  letter-spacing: 0.02em;
  margin-bottom: 32px;
}
.hero-lead {
  max-width: 620px;
  margin: 0 auto 44px;
  color: #D9E2E6;
  font-size: 1.02rem;
  line-height: 2;
}
.hero-actions { display: flex; justify-content: center; gap: 18px; flex-wrap: wrap; margin-bottom: 72px; }
.hero .btn-ghost { color: #FBF7EF; border-color: rgba(251,247,239,0.55); }
.hero .btn-ghost:hover { background-color: #FBF7EF; color: var(--color-primary-dark); }

.hero-stats {
  display: flex;
  justify-content: center;
  gap: 56px;
  flex-wrap: wrap;
}
.hero-stats li { display: flex; flex-direction: column; align-items: center; gap: 6px; }
.hero-stats .num { font-family: var(--font-heading); font-weight: 900; font-size: 1.3rem; }
.hero-stats .label { font-size: 0.78rem; color: #B9C6CC; letter-spacing: 0.04em; }

.hero-wave { display: block; width: 100%; height: 56px; }
.hero-wave path { fill: var(--color-bg); }

/* ============================================
   Problems
   ============================================ */
.problems { background-color: var(--color-bg); }
.problem-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}
.problem-card {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 30px 28px;
  display: flex;
  align-items: flex-start;
  gap: 18px;
}
.problem-icon {
  flex-shrink: 0;
  width: 14px;
  height: 14px;
  margin-top: 6px;
  border-radius: 50%;
  background-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(193, 116, 59, 0.16);
}
.problem-card p { font-size: 1rem; color: var(--color-ink); }

/* ============================================
   Services
   ============================================ */
.services { background-color: var(--color-bg-alt); }
.service-columns { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.service-card {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  padding: 44px 38px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid var(--color-primary);
}
.service-index {
  display: inline-block;
  font-family: var(--font-serif);
  font-size: 0.85rem;
  color: var(--color-accent);
  letter-spacing: 0.1em;
  margin-bottom: 18px;
}
.service-card h3 {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin-bottom: 18px;
}
.service-card > p { color: var(--color-ink-soft); margin-bottom: 24px; }
.service-points { display: flex; flex-direction: column; gap: 10px; }
.service-points li {
  position: relative;
  padding-left: 22px;
  font-size: 0.92rem;
  color: var(--color-ink);
}
.service-points li::before {
  content: '';
  position: absolute;
  left: 0; top: 9px;
  width: 8px; height: 8px;
  border-radius: 2px;
  background-color: var(--color-primary);
  transform: rotate(45deg);
}

/* ============================================
   Reasons
   ============================================ */
.reasons { background-color: var(--color-bg); }
.reason-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.reason-card {
  padding: 32px 24px;
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  position: relative;
}
.reason-card::before {
  content: '';
  display: block;
  width: 34px;
  height: 3px;
  background-color: var(--color-accent);
  margin-bottom: 20px;
}
.reason-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-dark);
  margin-bottom: 12px;
}
.reason-card p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* ============================================
   Flow
   ============================================ */
.flow { background-color: var(--color-primary-dark); color: #FBF7EF; }
.flow .section-title { color: #FBF7EF; }
.flow .section-eyebrow { color: #E3C9AE; }
.flow-steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
  counter-reset: step;
}
.flow-steps li {
  padding: 28px 20px;
  border: 1px solid rgba(251,247,239,0.18);
  border-radius: var(--radius-md);
  background-color: rgba(251,247,239,0.04);
}
.step-num {
  display: block;
  font-family: var(--font-serif);
  font-size: 1.6rem;
  color: var(--color-accent);
  margin-bottom: 14px;
}
.flow-steps h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  margin-bottom: 10px;
}
.flow-steps p { font-size: 0.85rem; color: #C6D2D7; line-height: 1.75; }

/* ============================================
   Results
   ============================================ */
.results { background-color: var(--color-bg); }
.results-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; max-width: 800px; margin: 0 auto; }
.result-card {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--color-line);
}
.result-tag {
  display: inline-block;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--color-primary);
  background-color: var(--color-primary-tint);
  padding: 5px 14px;
  border-radius: 999px;
  margin-bottom: 18px;
}
.result-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--color-primary-dark);
  line-height: 1.6;
  margin-bottom: 14px;
}
.result-card > p { font-size: 0.9rem; color: var(--color-ink-soft); }

/* ============================================
   Profile
   ============================================ */
.profile { background-color: var(--color-bg-alt); }
.profile-inner {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 56px;
  align-items: center;
}
.profile-photo {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle at 32% 28%, #3E6A83, var(--color-primary-dark) 78%);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.profile-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-name {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--color-primary-dark);
  margin-bottom: 16px;
}
.profile-bio { color: var(--color-ink-soft); }

/* ============================================
   Pricing
   ============================================ */
.pricing { background-color: var(--color-bg); }
.pricing-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-bottom: 32px; }
.pricing-card {
  position: relative;
  padding: 40px 30px;
  border-radius: var(--radius-md);
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  text-align: center;
}
.pricing-card.is-featured {
  border: 2px solid var(--color-primary);
  box-shadow: var(--shadow-card);
  transform: translateY(-8px);
}
.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-accent);
  color: #FBF7EF;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 6px 16px;
  border-radius: 999px;
  white-space: nowrap;
}
.pricing-card h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.08rem;
  color: var(--color-primary-dark);
  margin-bottom: 18px;
}
.price {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.5rem;
  color: var(--color-primary);
  margin-bottom: 18px;
}
.price span { font-size: 0.72rem; font-weight: 500; color: var(--color-ink-soft); margin-left: 4px; }
.pricing-desc { font-size: 0.88rem; color: var(--color-ink-soft); }
.pricing-note { text-align: center; font-size: 0.85rem; color: var(--color-ink-soft); }

/* ============================================
   Voices
   ============================================ */
.voices { background-color: var(--color-bg-alt); }
.voices-preparing { text-align: center; font-size: 0.94rem; color: var(--color-ink-soft); }
.voice-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.voice-card {
  background-color: var(--color-card);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  border: 1px solid var(--color-line);
}
.voice-stars { color: var(--color-accent); letter-spacing: 0.14em; margin-bottom: 16px; font-size: 0.95rem; }
.voice-text { font-size: 0.92rem; color: var(--color-ink); margin-bottom: 20px; line-height: 1.9; }
.voice-name { font-size: 0.8rem; color: var(--color-ink-soft); }

/* ============================================
   FAQ
   ============================================ */
.faq { background-color: var(--color-bg); }
.faq-list { display: flex; flex-direction: column; gap: 14px; max-width: 760px; margin: 0 auto; }
.faq-item {
  background-color: var(--color-card);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-md);
  padding: 6px 28px;
}
.faq-item summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 0;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--color-primary-dark);
  position: relative;
  padding-right: 30px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0;
  top: 18px;
  font-size: 1.3rem;
  color: var(--color-accent);
  transition: transform 0.2s ease;
}
.faq-item[open] summary::after { transform: rotate(45deg); }
.faq-item p { padding-bottom: 22px; font-size: 0.9rem; color: var(--color-ink-soft); line-height: 1.85; }

/* ============================================
   Contact
   ============================================ */
.contact { background-color: var(--color-primary-dark); color: #FBF7EF; text-align: center; }
.contact .section-title { color: #FBF7EF; }
.contact .section-eyebrow { color: #E3C9AE; }
.contact .btn-ghost { color: #FBF7EF; border-color: rgba(251,247,239,0.55); }
.contact .btn-ghost:hover { background-color: #FBF7EF; color: var(--color-primary-dark); }
.contact-free-badge {
  display: inline-block;
  background-color: var(--color-accent);
  color: #FBF7EF;
  font-weight: 700;
  font-size: 0.8rem;
  padding: 6px 18px;
  border-radius: 999px;
  margin-bottom: 16px;
}
.contact-lead { color: #D9E2E6; margin-bottom: 40px; }
.contact-cta-group {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 32px;
}
.contact-box {
  max-width: 480px;
  margin: 0 auto;
  padding: 36px 32px;
  border: 1px solid rgba(251,247,239,0.22);
  border-radius: var(--radius-md);
  background-color: rgba(251,247,239,0.05);
}
.contact-status { font-family: var(--font-heading); font-weight: 700; margin-bottom: 12px; }
.contact-alt { font-size: 0.88rem; color: #C6D2D7; margin-bottom: 18px; }
.contact-detail { font-size: 0.88rem; color: #D9E2E6; line-height: 1.9; }

.contact-form, .contact-thanks {
  max-width: 480px;
  margin: 0 auto;
  padding: 36px 32px;
  border: 1px solid rgba(251,247,239,0.22);
  border-radius: var(--radius-md);
  background-color: rgba(251,247,239,0.05);
  text-align: left;
}
.contact-thanks { text-align: center; }

/* お問い合わせフォーム内のハニーポット（人間には見えない） */
.contact-form .hp-field {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.contact-form .form-group { margin-top: 14px; }
.contact-form .form-group:first-child { margin-top: 0; }
.contact-form .form-group label {
  display: block;
  font-size: 0.86rem;
  color: #D9E2E6;
  margin-bottom: 6px;
}
.contact-form .required {
  display: inline-block;
  font-size: 0.68rem;
  color: #fff;
  background-color: var(--color-accent);
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 4px;
  vertical-align: middle;
}
.contact-form input[type="text"],
.contact-form input[type="email"],
.contact-form input[type="tel"],
.contact-form textarea {
  width: 100%;
  font: inherit;
  font-family: var(--font-body);
  color: var(--color-ink);
  background-color: var(--color-bg);
  border: 1px solid rgba(251,247,239,0.3);
  border-radius: var(--radius-sm);
  padding: 12px 14px;
}
.contact-form textarea { resize: vertical; }
.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--color-accent);
}
.contact-form-note { font-size: 0.78rem; color: #C6D2D7; margin-top: 6px; }
.contact-form .form-submit { text-align: center; margin-top: 20px; }
.contact-form .form-submit .btn { width: 100%; }
.contact-form .form-error { color: #F2A69B; font-size: 0.88rem; margin-top: 12px; }

/* 商談希望日カレンダー（診断フォームと同じ見た目・ルール） */
.calendar-note { font-size: 0.86rem; color: #C6D2D7; margin-bottom: 16px; }
.calendar-selected-count { font-size: 0.82rem; color: var(--color-accent); font-weight: 700; margin-bottom: 12px; }
.calendar-wrap { display: flex; gap: 20px; flex-wrap: wrap; }
.calendar-month { flex: 1; min-width: 200px; }
.calendar-month-heading {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.92rem;
  color: #FBF7EF;
  margin-bottom: 10px;
}
.calendar-grid {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 4px;
}
.calendar-weekday {
  text-align: center;
  font-size: 0.72rem;
  color: #C6D2D7;
  padding-bottom: 4px;
}
.calendar-blank { display: block; }
.calendar-day {
  font: inherit;
  font-size: 0.86rem;
  color: var(--color-ink);
  background-color: var(--color-bg);
  border: 1px solid rgba(251,247,239,0.3);
  border-radius: var(--radius-sm);
  aspect-ratio: 1;
  cursor: pointer;
}
.calendar-day:hover:not(.is-disabled) { border-color: var(--color-accent); }
.calendar-day.is-selected {
  background-color: var(--color-accent);
  border-color: var(--color-accent);
  color: #FBF7EF;
  font-weight: 700;
}
.calendar-day.is-disabled {
  color: #B9C6CC;
  background-color: rgba(251,247,239,0.15);
  opacity: 0.5;
  cursor: not-allowed;
}

/* ============================================
   Footer
   ============================================ */
.site-footer { background-color: var(--color-primary-dark); color: rgba(251,247,239,0.6); border-top: 1px solid rgba(251,247,239,0.12); }
.footer-inner { padding: 36px 28px; text-align: center; }
.footer-brand { font-family: var(--font-heading); font-weight: 700; color: #FBF7EF; margin-bottom: 6px; }
.footer-address, .footer-copyright { font-size: 0.78rem; margin-top: 4px; }
.footer-links { margin-top: 10px; }
.footer-links a { font-size: 0.78rem; color: rgba(251,247,239,0.6); text-decoration: underline; }

/* ============================================
   Responsive — Tablet
   ============================================ */
@media (max-width: 960px) {
  .reason-grid { grid-template-columns: repeat(2, 1fr); }
  .flow-steps { grid-template-columns: repeat(3, 1fr); }
  .results-grid, .voice-grid, .pricing-grid { grid-template-columns: repeat(2, 1fr); }
  .pricing-card.is-featured { transform: none; }
}

/* ============================================
   Responsive — Mobile
   ============================================ */
@media (max-width: 768px) {
  .section-inner { padding: 64px 20px; }
  .hero-inner { padding-top: 88px; padding-bottom: 96px; }
  .lb-pc { display: none; }

  .site-nav, .header-cta { display: none; }
  .mobile-nav { display: block; position: relative; }
  .mobile-nav summary {
    list-style: none;
    cursor: pointer;
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
  }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .hamburger, .hamburger::before, .hamburger::after {
    content: '';
    display: block;
    width: 22px; height: 2px;
    background-color: var(--color-primary-dark);
    transition: transform 0.2s ease;
  }
  .hamburger { position: relative; }
  .hamburger::before { position: absolute; top: -7px; left: 0; }
  .hamburger::after { position: absolute; top: 7px; left: 0; }
  .mobile-nav[open] .hamburger { background-color: transparent; }
  .mobile-nav[open] .hamburger::before { transform: translateY(7px) rotate(45deg); }
  .mobile-nav[open] .hamburger::after { transform: translateY(-7px) rotate(-45deg); }

  .mobile-nav ul {
    position: absolute;
    right: 0; top: calc(100% + 12px);
    background-color: var(--color-card);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-card);
    padding: 12px;
    display: flex;
    flex-direction: column;
    min-width: 160px;
    z-index: 50;
  }
  .mobile-nav a { display: block; padding: 10px 14px; font-size: 0.92rem; border-radius: var(--radius-sm); }
  .mobile-nav a:hover { background-color: var(--color-bg-alt); }

  .hero-title { font-size: clamp(1.7rem, 1.2rem + 4vw, 2.4rem); }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-stats { gap: 32px; }

  .problem-grid,
  .service-columns,
  .reason-grid,
  .flow-steps,
  .results-grid,
  .voice-grid,
  .pricing-grid { grid-template-columns: 1fr; }

  .profile-inner { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 32px; }

  .pricing-card.is-featured { transform: none; }
}