:root {
  --bg: #0a0a0a;
  --bg-soft: #111111;
  --bg-card: #161616;
  --text: #f5f5f5;
  --text-dim: #a0a0a0;
  --accent: #facc15;
  --accent-soft: #fde68a;
  --border: #262626;
  --radius: 14px;
  --max: 1140px;
  --font-jp: 'Noto Sans JP', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-en: 'Montserrat', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; scroll-padding-top: 72px; }

body {
  font-family: var(--font-jp);
  background: var(--bg);
  color: var(--text);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
  font-feature-settings: "palt";
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 24px;
}

.accent { color: var(--accent); }
.sp-only { display: none; }
@media (max-width: 640px) { .sp-only { display: inline; } }

/* ========== Header ========== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(10,10,10,0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 800;
  letter-spacing: 0.08em;
}
.brand-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  background: var(--accent);
  color: #000;
  border-radius: 8px;
  font-family: var(--font-en);
  font-weight: 800;
  font-size: 18px;
}
.brand-name { font-size: 18px; }
.nav {
  display: flex;
  align-items: center;
  gap: 28px;
  font-size: 14px;
  font-weight: 500;
}
.nav a { color: var(--text-dim); transition: color .2s; }
.nav a:hover { color: var(--text); }
.nav-cta {
  padding: 10px 18px;
  background: var(--accent);
  color: #000 !important;
  border-radius: 999px;
  font-weight: 700;
}
.nav-cta:hover { opacity: 0.9; }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  width: 40px; height: 40px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  cursor: pointer;
}
.nav-toggle span {
  display: block;
  width: 22px; height: 2px;
  background: var(--text);
  margin: 0 auto;
  transition: transform .2s;
}

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(250, 204, 21, 0.12), transparent 50%),
    radial-gradient(circle at 20% 80%, rgba(250, 204, 21, 0.06), transparent 50%),
    linear-gradient(180deg, #0a0a0a 0%, #111 100%);
  z-index: -1;
}
.hero-inner { position: relative; z-index: 1; max-width: 820px; }
.tag {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(250, 204, 21, 0.12);
  color: var(--accent);
  border: 1px solid rgba(250, 204, 21, 0.3);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 28px;
  letter-spacing: 0.04em;
}
.hero-title {
  font-size: clamp(36px, 6.5vw, 76px);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 28px;
}
.hero-sub {
  font-size: clamp(18px, 2.2vw, 24px);
  color: var(--text-dim);
  margin-bottom: 48px;
}
.hero-sub strong { color: var(--text); font-weight: 700; }
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  transition: transform .15s, box-shadow .15s, background .2s;
  cursor: pointer;
  border: none;
  text-align: center;
}
.btn-primary {
  background: var(--accent);
  color: #000;
  box-shadow: 0 8px 24px rgba(250, 204, 21, 0.2);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 28px rgba(250, 204, 21, 0.3); }
.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-ghost:hover { background: var(--bg-card); border-color: var(--text-dim); }
.btn-outline {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--accent);
}
.btn-outline:hover { background: var(--accent); color: #000; }
.btn-lg { padding: 18px 36px; font-size: 16px; }

/* ========== Problem ========== */
.problem {
  padding: 100px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.problem-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-bottom: 64px;
}
.problem-item {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px 24px;
  text-align: center;
}
.problem-num {
  display: block;
  font-family: var(--font-en);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 12px;
}
.problem-item p { font-size: 18px; font-weight: 700; }
.problem-lead {
  text-align: center;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.7;
}

/* ========== Section title ========== */
.section-title {
  font-family: var(--font-en);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800;
  margin-bottom: 12px;
  letter-spacing: 0.02em;
}
.section-title span {
  display: block;
  font-family: var(--font-jp);
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.section-lead {
  font-size: 17px;
  color: var(--text-dim);
  margin-bottom: 56px;
}

/* ========== Results ========== */
.results { padding: 120px 0; }
.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.result-card {
  background: linear-gradient(160deg, var(--bg-card), #1c1c1c);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 48px 32px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.result-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: var(--accent);
}
.result-num {
  font-family: var(--font-en);
  font-size: clamp(40px, 5vw, 64px);
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
  margin-bottom: 12px;
}
.result-num span { font-size: 0.5em; margin-left: 4px; }
.result-label { font-size: 17px; font-weight: 700; color: var(--text-dim); }

/* ========== Services ========== */
.services {
  padding: 120px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 40px;
  margin-bottom: 20px;
  transition: border-color .2s, transform .2s;
}
.service-card:hover { border-color: rgba(250, 204, 21, 0.4); transform: translateY(-2px); }
.service-card.highlight {
  border-color: var(--accent);
  background: linear-gradient(160deg, #1a1810, var(--bg-card));
}
.service-head {
  display: flex;
  align-items: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}
.service-num {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1;
}
.service-head h3 {
  font-size: clamp(22px, 2.5vw, 28px);
  font-weight: 800;
  flex: 1;
}
.service-badge {
  padding: 6px 14px;
  background: var(--accent);
  color: #000;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
}
.service-catch {
  font-size: 18px;
  color: var(--accent);
  font-weight: 700;
  margin-bottom: 20px;
}
.service-list {
  margin-bottom: 20px;
}
.service-list li {
  padding: 10px 0 10px 28px;
  position: relative;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  font-size: 15px;
}
.service-list li:last-child { border-bottom: none; }
.service-list li::before {
  content: '';
  position: absolute;
  left: 8px; top: 18px;
  width: 8px; height: 8px;
  background: var(--accent);
  border-radius: 50%;
}
.service-note {
  font-size: 15px;
  color: var(--text);
  font-weight: 700;
  padding-top: 8px;
  border-top: 1px dashed var(--border);
}

/* ========== Plans ========== */
.plans { padding: 120px 0; }
.plans-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-top: 48px;
}
.plan-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px 32px;
  position: relative;
  display: flex;
  flex-direction: column;
}
.plan-card.featured {
  border-color: var(--accent);
  background: linear-gradient(180deg, #1a1810, var(--bg-card));
  transform: scale(1.03);
}
.plan-ribbon {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #000;
  padding: 6px 20px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.1em;
}
.plan-tier {
  font-family: var(--font-en);
  font-size: 13px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.1em;
  margin-bottom: 8px;
}
.plan-name {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 20px;
}
.plan-price {
  font-family: var(--font-en);
  font-size: 44px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 28px;
  line-height: 1.1;
}
.plan-price .yen {
  font-size: 14px;
  color: var(--text-dim);
  font-weight: 600;
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-jp);
}
.plan-price .unit {
  font-size: 18px;
  color: var(--text-dim);
  margin-left: 4px;
  font-family: var(--font-jp);
}
.plan-list {
  flex: 1;
  margin-bottom: 28px;
}
.plan-list li {
  padding: 12px 0 12px 24px;
  position: relative;
  color: var(--text);
  font-size: 15px;
  border-bottom: 1px solid var(--border);
}
.plan-list li:last-child { border-bottom: none; }
.plan-list li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 12px;
  color: var(--accent);
  font-weight: 800;
}

/* ========== About ========== */
.about {
  padding: 120px 0;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.about-inner {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 64px;
  align-items: center;
}
.about-photo {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.photo-frame {
  width: 100%;
  max-width: 340px;
  aspect-ratio: 3 / 4;
  background: linear-gradient(180deg, #1a1a1a, #0f0f0f);
  border: 1px solid var(--border);
  border-radius: 16px;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: flex-end;
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.photo-frame img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}
.photo-frame.no-image::before {
  content: 'CEO';
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-en);
  font-size: 64px;
  font-weight: 800;
  color: var(--accent);
  letter-spacing: 0.1em;
  opacity: 0.3;
}
.photo-caption {
  position: relative;
  z-index: 1;
  padding: 24px;
  width: 100%;
  background: linear-gradient(180deg, transparent, rgba(0,0,0,0.85));
}
.photo-name {
  font-size: 24px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 4px;
  line-height: 1.2;
}
.photo-name-en {
  font-family: var(--font-en);
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.08em;
}
.about-titles {
  margin-top: 20px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  font-weight: 500;
}
.about-titles p { margin-bottom: 4px; }
.about-lead {
  font-size: clamp(18px, 2vw, 22px);
  line-height: 2;
  font-weight: 500;
  margin-bottom: 20px;
}
.about-lead strong {
  color: var(--accent);
  font-weight: 800;
}

/* ========== Interview ========== */
.interview {
  padding: 120px 0;
  background: var(--bg);
}
.interview-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  margin-top: 48px;
  align-items: start;
}
.interview-video {
  position: sticky;
  top: 100px;
}
.video-wrapper {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #000;
  border-radius: 16px;
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.5);
}
.video-wrapper iframe {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
}
.interview-note {
  margin-top: 16px;
  text-align: center;
  font-size: 14px;
  color: var(--text-dim);
}
.interview-content {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 40px;
}
.interview-heading {
  font-size: 22px;
  font-weight: 800;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.interview-list {
  margin-bottom: 32px;
}
.interview-list li {
  display: flex;
  gap: 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
}
.interview-list li:last-child { border-bottom: none; }
.interview-check {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 14px;
}
.interview-list li strong {
  display: block;
  font-size: 17px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 6px;
}
.interview-list li p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}
.interview-cta {
  width: 100%;
}

/* ========== Offer ========== */
.offer {
  padding: 120px 0;
  background: linear-gradient(180deg, #0a0a0a, #0f0d05);
}
.offer-inner {
  max-width: 760px;
  margin: 0 auto;
  text-align: center;
}
.offer-tag {
  display: inline-block;
  padding: 8px 16px;
  background: rgba(250, 204, 21, 0.12);
  color: var(--accent);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 700;
  margin-bottom: 24px;
}
.offer-title {
  font-size: clamp(28px, 4.5vw, 48px);
  font-weight: 900;
  line-height: 1.4;
  margin-bottom: 24px;
}
.offer-desc {
  font-size: 17px;
  color: var(--text-dim);
  margin-bottom: 48px;
}
.offer-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 40px;
  text-align: left;
}
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 20px;
}
.offer-form label {
  display: block;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
}
.offer-form input,
.offer-form textarea {
  display: block;
  width: 100%;
  margin-top: 8px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-family: inherit;
  font-size: 15px;
  transition: border-color .2s;
}
.offer-form input:focus,
.offer-form textarea:focus {
  outline: none;
  border-color: var(--accent);
}
.offer-form textarea { resize: vertical; min-height: 120px; }
.offer-form .btn-lg { width: 100%; margin-top: 12px; }
.form-note {
  text-align: center;
  font-size: 13px;
  color: var(--text-dim);
  margin-top: 16px;
}
.hidden-field { display: none; }

/* ========== Thanks page ========== */
.thanks {
  min-height: calc(100vh - 200px);
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
}
.thanks-inner {
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}
.thanks-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 32px;
  background: var(--accent);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  font-weight: 800;
}
.thanks-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 900;
  margin-bottom: 24px;
}
.thanks-desc {
  font-size: 17px;
  color: var(--text);
  line-height: 2;
  margin-bottom: 16px;
}
.thanks-desc-sub {
  font-size: 14px;
  color: var(--text-dim);
  line-height: 1.8;
  margin-bottom: 40px;
}

/* ========== Footer ========== */
.site-footer {
  padding: 48px 0;
  border-top: 1px solid var(--border);
  background: var(--bg);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-en);
  font-weight: 700;
  letter-spacing: 0.05em;
}
.footer-copy {
  font-size: 13px;
  color: var(--text-dim);
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
  .about-inner { grid-template-columns: 1fr; gap: 32px; }
  .photo-frame { max-width: 280px; }
  .plans-grid { grid-template-columns: 1fr; gap: 32px; }
  .plan-card.featured { transform: none; }
  .interview-grid { grid-template-columns: 1fr; gap: 32px; }
  .interview-video { position: static; }
  .interview-content { padding: 28px 24px; }
}
@media (max-width: 720px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
  .nav.open {
    display: flex;
    position: absolute;
    top: 72px; left: 0; right: 0;
    flex-direction: column;
    background: var(--bg-soft);
    padding: 24px;
    border-bottom: 1px solid var(--border);
    gap: 16px;
  }
  .problem-list { grid-template-columns: 1fr; }
  .results-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; gap: 0; }
  .service-card { padding: 28px 24px; }
  .offer-form { padding: 28px 20px; }
  .hero { min-height: auto; padding: 120px 0 60px; }
}