/* ==========================================================================
   Web集客無料セミナー LP / Seminar Lead-Gen LP Sample
   ========================================================================== */

:root {
  --color-navy: #0f1b33;
  --color-navy-deep: #0a1526;
  --color-bg: #ffffff;
  --color-bg-alt: #f4f7fb;
  --color-ink: #1c2333;
  --color-ink-soft: #5b6478;
  --color-line: rgba(15, 27, 51, 0.1);
  --color-accent: #ff7a29;
  --color-accent-deep: #e2621a;
  --color-accent-soft: #fff1e6;
  --font-heading: 'Zen Kaku Gothic New', sans-serif;
  --font-sans: 'Noto Sans JP', sans-serif;
  --header-h: 72px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-bg);
  line-height: 1.9;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; width: 100%; height: 100%; object-fit: cover; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
.sp-only { display: none; }

.eyebrow {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--color-accent-deep);
  margin-bottom: 14px;
}
.eyebrow--center { text-align: center; }
.eyebrow--light { color: #ffc79a; }

.section-title {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 3vw, 2.15rem);
  line-height: 1.6;
  color: var(--color-navy);
}
.section-title--center { text-align: center; }
.section-title--light { color: #fff; }

.section-lead {
  margin-top: 18px;
  color: var(--color-ink-soft);
  font-size: 0.94rem;
  max-width: 58ch;
}
.section-lead--center { text-align: center; margin-left: auto; margin-right: auto; }
.section-lead--light { color: rgba(255,255,255,0.7); }

.section { padding: 9vh 6vw; }
.section--alt { background: var(--color-bg-alt); }
.section--dark { background: var(--color-navy); }
.section-head { max-width: 720px; margin: 0 auto 52px; }

[data-reveal] {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}
[data-reveal].in-view { opacity: 1; transform: translateY(0); }

/* ---------- CTA buttons ---------- */
.btn-cta {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 10px 24px rgba(255,122,41,0.32);
  transition: background 0.25s ease, transform 0.2s ease;
}
.btn-cta:hover { background: var(--color-accent-deep); transform: translateY(-2px); }
.btn-cta--header { padding: 12px 22px; font-size: 0.85rem; border-radius: 999px; flex-shrink: 0; }
.btn-cta--large { padding: 20px 44px; font-size: 1.05rem; }
.btn-cta--block { display: block; width: 100%; padding: 18px; font-size: 0.98rem; margin-top: 34px; }

/* ---------- header ---------- */
.lp-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 5vw;
  z-index: 500;
  background: rgba(15, 27, 51, 0.95);
  backdrop-filter: blur(8px);
}
.lp-logo {
  font-family: var(--font-heading);
  font-weight: 700;
  color: #fff;
  font-size: 1.05rem;
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 10px 0;
}
.lp-logo span { font-size: 0.7rem; color: #ffc79a; font-weight: 500; }

/* ---------- hero ---------- */
.hero {
  position: relative;
  padding: calc(var(--header-h) + 8vh) 6vw 8vh;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,21,38,0.94) 0%, rgba(10,21,38,0.88) 55%, rgba(10,21,38,0.96) 100%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  margin: 0 auto;
  text-align: center;
}
.badge-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.badge {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
  font-size: 0.76rem;
  font-weight: 500;
  padding: 7px 16px;
  border-radius: 999px;
}
.hero-title {
  margin-top: 26px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: clamp(1.9rem, 4.4vw, 3rem);
  line-height: 1.55;
  color: #fff;
}
.hero-title .hl { color: var(--color-accent); }
.hero-lead {
  margin-top: 26px;
  color: rgba(255,255,255,0.78);
  font-size: 0.98rem;
  line-height: 2;
}
.hero-inner .btn-cta { margin-top: 38px; }
.hero-note {
  margin-top: 14px;
  font-size: 0.78rem;
  color: rgba(255,255,255,0.5);
}

.trust-row {
  margin-top: 56px;
  display: flex;
  justify-content: center;
  gap: 60px;
  flex-wrap: wrap;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.15);
}
.trust-item { text-align: center; }
.trust-item b {
  font-family: var(--font-heading);
  font-size: 2rem;
  color: #fff;
  font-weight: 900;
}
.trust-item b span { font-size: 1rem; margin-left: 2px; font-weight: 700; }
.trust-item p { margin-top: 6px; font-size: 0.78rem; color: rgba(255,255,255,0.6); }

/* ---------- problem ---------- */
.problem-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
  max-width: 1100px;
  margin: 0 auto;
}
.problem-card {
  background: var(--color-bg-alt);
  border-radius: 16px;
  padding: 30px 26px;
  display: flex;
  align-items: flex-start;
  gap: 16px;
  font-size: 0.92rem;
}
.problem-icon {
  flex-shrink: 0;
  width: 30px; height: 30px;
  border-radius: 50%;
  background: #ffe3d3;
  color: var(--color-accent-deep);
  display: flex; align-items: center; justify-content: center;
  font-weight: 700;
  font-size: 0.9rem;
}
.problem-card--result {
  background: var(--color-navy);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.7;
}

/* ---------- solution ---------- */
.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  max-width: 1100px;
  margin: 0 auto;
}
.solution-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 18px;
  padding: 34px 28px;
}
.solution-num {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-accent);
}
.solution-card h3 {
  margin-top: 16px;
  margin-bottom: 14px;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  color: #fff;
  line-height: 1.6;
}
.solution-card p { font-size: 0.88rem; color: rgba(255,255,255,0.65); }
.solution-media {
  max-width: 1100px;
  margin: 50px auto 0;
  border-radius: 20px;
  overflow: hidden;
  aspect-ratio: 16/6.2;
}

/* ---------- overview ---------- */
.overview-wrap {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 6vw;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.overview-media { border-radius: 20px; overflow: hidden; aspect-ratio: 4/3; }
.overview-table dl { display: flex; flex-direction: column; }
.overview-table dl > div {
  display: grid;
  grid-template-columns: 110px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--color-line);
}
.overview-table dt {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-accent-deep);
  font-size: 0.86rem;
}
.overview-table dd { font-size: 0.92rem; color: var(--color-ink); }
.overview-table .dd-price {
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.3rem;
  color: var(--color-navy);
}

/* ---------- voice ---------- */
.voice-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  max-width: 1140px;
  margin: 0 auto;
}
.voice-card {
  background: #fff;
  border: 1px solid var(--color-line);
  border-radius: 18px;
  padding: 30px 26px;
  box-shadow: 0 10px 26px rgba(15,27,51,0.05);
}
.voice-stars { color: var(--color-accent); letter-spacing: 2px; margin-bottom: 16px; font-size: 0.9rem; }
.voice-text { font-size: 0.88rem; color: var(--color-ink); line-height: 1.9; }
.voice-person {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--color-line);
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
}
.voice-name { font-weight: 700; }
.voice-attr { color: var(--color-ink-soft); }

/* ---------- speaker ---------- */
.speaker-wrap {
  display: grid;
  grid-template-columns: 0.75fr 1.25fr;
  gap: 6vw;
  align-items: center;
  max-width: 1100px;
  margin: 0 auto;
}
.speaker-photo { border-radius: 20px; overflow: hidden; aspect-ratio: 4/5; max-width: 320px; }
.speaker-name { margin-top: 8px; font-family: var(--font-heading); font-weight: 900; font-size: 1.5rem; }
.speaker-name span { display: block; font-size: 0.72rem; font-weight: 400; color: var(--color-ink-soft); font-family: var(--font-sans); margin-top: 6px; letter-spacing: 0.04em; }
.speaker-role { margin-top: 10px; color: var(--color-accent-deep); font-weight: 500; font-size: 0.9rem; }
.speaker-bio { margin-top: 22px; color: var(--color-ink-soft); font-size: 0.9rem; max-width: 58ch; }

/* ---------- FAQ ---------- */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--color-line); padding: 24px 0; }
.faq-q {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.94rem;
  display: flex;
  gap: 14px;
}
.faq-q .q-mark {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: var(--color-accent-deep);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.82rem;
}
.faq-a { margin-top: 12px; padding-left: 40px; font-size: 0.86rem; color: var(--color-ink-soft); }

/* ---------- apply form ---------- */
.apply-section { background: var(--color-navy); }
.apply-form { max-width: 620px; margin: 0 auto; }
.form-row { margin-bottom: 22px; }
.form-row label { display: block; font-size: 0.85rem; margin-bottom: 10px; color: #fff; font-weight: 500; }
.req {
  font-size: 0.64rem;
  background: var(--color-accent);
  color: #fff;
  padding: 2px 8px;
  border-radius: 999px;
  margin-left: 6px;
  vertical-align: middle;
}
.form-row input, .form-row select, .form-row textarea {
  width: 100%;
  padding: 15px 18px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  background: rgba(255,255,255,0.06);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  color: #fff;
  transition: border-color 0.3s ease;
}
.form-row input::placeholder, .form-row textarea::placeholder { color: rgba(255,255,255,0.4); }
.form-row select { color: rgba(255,255,255,0.85); }
.form-row select option { color: #1c2333; }
.form-row input:focus, .form-row select:focus, .form-row textarea:focus { outline: none; border-color: var(--color-accent); }
.form-row textarea { resize: vertical; }

.submit-btn {
  display: block;
  width: 100%;
  padding: 20px;
  background: var(--color-accent);
  color: #fff;
  border: none;
  border-radius: 10px;
  font-family: var(--font-heading);
  font-weight: 900;
  font-size: 1.05rem;
  cursor: pointer;
  box-shadow: 0 14px 30px rgba(255,122,41,0.34);
  transition: background 0.25s ease, transform 0.2s ease;
}
.submit-btn:hover { background: var(--color-accent-deep); }
.submit-btn:active { transform: scale(0.98); }
.form-note { margin-top: 18px; text-align: center; font-size: 0.85rem; color: #ffc79a; min-height: 1.4em; }
.form-privacy { margin-top: 18px; text-align: center; font-size: 0.74rem; color: rgba(255,255,255,0.4); }

/* ---------- footer ---------- */
.lp-footer { background: var(--color-navy-deep); color: rgba(255,255,255,0.6); text-align: center; padding: 56px 6vw 100px; }
.footer-logo { font-family: var(--font-heading); font-weight: 700; color: #fff; font-size: 1rem; }
.footer-copy { margin-top: 16px; font-size: 0.75rem; opacity: 0.7; }
.footer-demo { margin-top: 12px; font-size: 0.7rem; opacity: 0.5; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- sticky mobile CTA ---------- */
.sticky-cta {
  display: none;
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 600;
  background: var(--color-accent);
  color: #fff;
  text-align: center;
  padding: 18px;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  box-shadow: 0 -8px 20px rgba(0,0,0,0.15);
}
.sticky-cta.show { display: block; }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1080px) {
  .problem-grid { grid-template-columns: repeat(2, 1fr); }
  .solution-grid { grid-template-columns: repeat(2, 1fr); }
  .voice-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-row { gap: 40px; }
}

@media (max-width: 900px) {
  .overview-wrap { grid-template-columns: 1fr; }
  .overview-media { max-width: 420px; margin: 0 auto; }
  .speaker-wrap { grid-template-columns: 1fr; text-align: center; }
  .speaker-photo { margin: 0 auto; }
  .speaker-bio { margin-left: auto; margin-right: auto; }
}

@media (max-width: 720px) {
  :root { --header-h: 60px; }
  .sp-only { display: block; }

  .lp-logo { font-size: 0.92rem; }
  .lp-logo span { display: none; }
  .btn-cta--header { padding: 10px 16px; font-size: 0.78rem; }

  .hero { padding: calc(var(--header-h) + 6vh) 6vw 6vh; }
  .hero-title { font-size: clamp(1.7rem, 6.4vw, 2.2rem); }
  .badge { font-size: 0.7rem; padding: 6px 12px; }
  .trust-row { gap: 30px; padding-top: 30px; margin-top: 40px; }
  .trust-item b { font-size: 1.5rem; }

  .problem-grid { grid-template-columns: 1fr; }
  .solution-grid { grid-template-columns: 1fr; }
  .voice-grid { grid-template-columns: 1fr; }

  .overview-table dl > div { grid-template-columns: 1fr; gap: 4px; }

  .btn-cta--large { width: 100%; padding: 18px; font-size: 0.98rem; }

  .lp-footer { padding-bottom: 110px; }
  .sticky-cta { display: block; transform: translateY(100%); transition: transform 0.3s ease; }
  .sticky-cta.show { transform: translateY(0); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  [data-reveal] { opacity: 1; transform: none; transition: none; }
}