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

:root {
  --bg: #F8F8F6;
  --grid-color: rgba(180, 185, 190, 0.1);
  --grid-size: 28px;
  --text-primary: #1A1D23;
  --text-secondary: #3D4250;
  --text-tertiary: #6B7080;
  --accent: #FF4D20;
  --accent-glow: rgba(255, 77, 32, 0.12);
  --accent-soft: #FFF0EC;
  --card-bg: rgba(255, 255, 255, 0.7);
  --card-border: rgba(180, 185, 190, 0.3);
  --dot-size: 10px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans JP', sans-serif;
  background-color: var(--bg);
  color: var(--text-primary);
  line-height: 1.8;
  overflow-x: hidden;
  /* Grid paper background */
  background-image:
    linear-gradient(var(--grid-color) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-color) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  background-position: center center;
}

/* ===== POINT DOTS - Key Visual Element ===== */
.point-dot {
  width: var(--dot-size);
  height: var(--dot-size);
  background: var(--accent);
  border-radius: 50%;
  display: inline-block;
  flex-shrink: 0;
  box-shadow: 0 0 12px var(--accent-glow), 0 0 24px var(--accent-glow);
  animation: pointPulse 2.5s ease-in-out infinite;
}

.point-dot--sm {
  --dot-size: 6px;
}

.point-dot--lg {
  --dot-size: 14px;
}

@keyframes pointPulse {
  0%, 100% { transform: scale(1); opacity: 1; }
  50% { transform: scale(1.3); opacity: 0.8; }
}

/* ===== NAVIGATION ===== */
nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: rgba(248, 248, 246, 0.85);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--card-border);
}

.nav-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-logo .point-dot {
  --dot-size: 8px;
}

.nav-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav-links a {
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 1px;
  transition: width 0.3s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-cta {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 20px;
  background: var(--text-primary);
  color: #fff;
  border: none;
  border-radius: 6px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
}

.nav-cta:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(26, 29, 35, 0.2);
}

/* ===== HERO ===== */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 24px 80px;
  position: relative;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 100px;
  padding: 6px 18px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin-bottom: 32px;
  backdrop-filter: blur(8px);
}

.hero h1 {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(2.8rem, 7vw, 5.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
  margin-bottom: 24px;
}

.hero h1 .accent {
  color: var(--accent);
  position: relative;
}

.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--text-secondary);
  font-weight: 300;
  max-width: 520px;
  margin-bottom: 48px;
  line-height: 1.9;
}

.hero-price {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 48px;
}

.hero-price .yen {
  font-family: 'Outfit', sans-serif;
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.hero-price .amount {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 800;
  color: var(--accent);
  letter-spacing: -0.02em;
  line-height: 1;
}

.hero-price .period {
  font-size: 1rem;
  font-weight: 400;
  color: var(--text-secondary);
}

.hero-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--accent);
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 77, 32, 0.25);
}

.hero-note {
  margin-top: 16px;
  font-size: 0.8rem;
  color: var(--text-tertiary);
}

/* Floating dots decoration */
.hero-deco {
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  pointer-events: none;
  overflow: hidden;
}

.hero-deco .dot {
  position: absolute;
  width: 20px;
  height: 20px;
  background: var(--accent);
  border-radius: 50%;
  opacity: 0.1;
}

.hero-deco .dot:nth-child(1) { top: 18%; left: 8%; width: 24px; height: 24px; animation: float 6s ease-in-out infinite; }
.hero-deco .dot:nth-child(2) { top: 30%; right: 12%; width: 36px; height: 36px; animation: float 8s ease-in-out 1s infinite; }
.hero-deco .dot:nth-child(3) { bottom: 25%; left: 15%; width: 28px; height: 28px; animation: float 7s ease-in-out 0.5s infinite; }
.hero-deco .dot:nth-child(4) { top: 50%; right: 6%; width: 18px; height: 18px; animation: float 5s ease-in-out 2s infinite; }
.hero-deco .dot:nth-child(5) { bottom: 15%; right: 20%; width: 40px; height: 40px; animation: float 9s ease-in-out 1.5s infinite; }

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-20px); }
}

/* ===== SECTIONS ===== */
section {
  padding: 100px 24px;
  max-width: 1080px;
  margin: 0 auto;
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: 'Outfit', sans-serif;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}

.section-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.3;
  margin-bottom: 20px;
}

.section-desc {
  font-size: 1rem;
  color: var(--text-secondary);
  max-width: 560px;
  margin-bottom: 56px;
  font-weight: 300;
}

/* ===== POINTS (Features) ===== */
.points-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 20px;
}

.point-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 36px 32px;
  backdrop-filter: blur(8px);
  transition: transform 0.3s, box-shadow 0.3s, border-color 0.3s;
  position: relative;
  overflow: hidden;
}

.point-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.point-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
  border-color: rgba(255, 77, 32, 0.2);
}

.point-card:hover::before {
  transform: scaleX(1);
}

.point-card-num {
  font-family: 'Outfit', sans-serif;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--accent);
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 20px;
}

.point-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 12px;
  line-height: 1.5;
}

.point-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
  font-weight: 300;
}

/* ===== PRICING ===== */
.pricing-card {
  background: var(--card-bg);
  border: 2px solid var(--accent);
  border-radius: 16px;
  padding: 56px 48px;
  max-width: 520px;
  margin: 0 auto;
  text-align: center;
  backdrop-filter: blur(8px);
  position: relative;
}

.pricing-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 6px 20px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}

.pricing-name {
  font-family: 'Outfit', sans-serif;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 8px;
  margin-top: 8px;
}

.pricing-amount {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}

.pricing-amount .yen {
  font-family: 'Outfit', sans-serif;
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--text-primary);
}

.pricing-amount .num {
  font-family: 'Outfit', sans-serif;
  font-size: 4rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.03em;
  line-height: 1;
}

.pricing-amount .tax {
  font-size: 0.85rem;
  color: var(--text-tertiary);
}

.pricing-period {
  font-size: 0.9rem;
  color: var(--text-secondary);
  margin-bottom: 32px;
}

.pricing-features {
  list-style: none;
  text-align: left;
  margin-bottom: 40px;
}

.pricing-features li {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--text-primary);
  border-bottom: 1px solid rgba(180, 185, 190, 0.15);
}

.pricing-features li:last-child {
  border-bottom: none;
}

.pricing-features .check {
  color: var(--accent);
  font-weight: 700;
  font-size: 1rem;
}

.pricing-zero {
  font-size: 0.85rem;
  color: var(--text-tertiary);
  margin-top: 16px;
}

/* ===== TARGET ===== */
.target-list {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.target-item {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  padding: 40px 28px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: transform 0.3s;
}

.target-item:hover {
  transform: translateY(-4px);
}

.target-icon {
  font-size: 2.4rem;
  margin-bottom: 16px;
}

.target-item h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.target-item p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.7;
}

/* ===== FLOW ===== */
.flow-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
  position: relative;
  max-width: 600px;
}

.flow-step {
  display: flex;
  gap: 24px;
  position: relative;
  padding-bottom: 48px;
}

.flow-step:last-child {
  padding-bottom: 0;
}

.flow-step-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.flow-step-dot {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Outfit', sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: #fff;
  flex-shrink: 0;
  position: relative;
  z-index: 2;
}

.flow-step-connector {
  width: 2px;
  flex: 1;
  background: linear-gradient(180deg, var(--accent), var(--card-border));
}

.flow-step:last-child .flow-step-connector {
  display: none;
}

.flow-step-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
  padding-top: 5px;
}

.flow-step-content p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.7;
}

/* ===== WORKS ===== */
.works-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 12px;
  overflow: hidden;
  backdrop-filter: blur(8px);
  max-width: 520px;
  transition: transform 0.3s, box-shadow 0.3s;
}

.works-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
}

.works-card-img {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: #e8e8e8;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.works-card-img iframe {
  width: 100%;
  height: 100%;
  border: none;
}

.works-card-body {
  padding: 28px 28px 32px;
}

.works-card-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--accent);
  letter-spacing: 0.05em;
  margin-bottom: 10px;
}

.works-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.works-card p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  font-weight: 300;
  line-height: 1.7;
}

.works-card-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 16px;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--accent);
  text-decoration: none;
  transition: gap 0.2s;
}

.works-card-link:hover {
  gap: 8px;
}

/* ===== CONTACT FORM ===== */
.contact-form {
  max-width: 520px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-primary);
}

.form-group input,
.form-group textarea {
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 0.95rem;
  padding: 14px 16px;
  border: 1px solid var(--card-border);
  border-radius: 8px;
  background: var(--card-bg);
  color: var(--text-primary);
  outline: none;
  transition: border-color 0.2s, box-shadow 0.2s;
  backdrop-filter: blur(8px);
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 40px;
  background: var(--accent);
  color: #fff;
  font-family: 'Noto Sans JP', sans-serif;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px var(--accent-glow);
  align-self: center;
}

.form-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 77, 32, 0.25);
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  text-align: center;
}

/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 80px 24px 100px;
}

.cta-section .section-title {
  margin-bottom: 12px;
}

.cta-section .section-desc {
  margin: 0 auto 40px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 18px 48px;
  background: var(--accent);
  color: #fff;
  font-size: 1.05rem;
  font-weight: 600;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 24px var(--accent-glow);
}

.cta-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(255, 77, 32, 0.25);
}

/* thanks.html のロゴリンク */
.nav-logo--link {
  text-decoration: none;
  color: inherit;
}

/* ===== FOOTER ===== */
footer {
  border-top: 1px solid var(--card-border);
  padding: 40px 24px;
  text-align: center;
}

.footer-logo {
  font-family: 'Outfit', sans-serif;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-bottom: 12px;
}

.footer-info {
  font-size: 0.8rem;
  color: var(--text-tertiary);
  line-height: 1.8;
}

.footer-copy {
  margin-top: 20px;
  font-size: 0.75rem;
  color: var(--text-tertiary);
}

/* ===== UTILITY ===== */
.d-none {
  display: none !important;
}

.point-dot--delay {
  animation-delay: 0.3s;
}

.form-required {
  color: var(--accent);
  font-size: 0.75rem;
}

/* ===== HAMBURGER ===== */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
  border-radius: 6px;
  transition: background 0.2s;
  -webkit-tap-highlight-color: transparent;
}

.nav-hamburger:hover {
  background: rgba(0, 0, 0, 0.05);
}

.nav-hamburger:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.nav-hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 0.3s ease, opacity 0.3s ease;
  transform-origin: center;
  pointer-events: none;
}

nav.nav--open .nav-hamburger span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

nav.nav--open .nav-hamburger span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

nav.nav--open .nav-hamburger span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== THANKS PAGE ===== */
.thanks-section {
  min-height: calc(100vh - 160px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 120px 24px 80px;
  gap: 24px;
}

.thanks-icon {
  width: 80px;
  height: 80px;
  background: var(--accent-soft);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.thanks-icon .point-dot {
  --dot-size: 28px;
}

.thanks-title {
  font-family: 'Outfit', sans-serif;
  font-size: clamp(1.6rem, 4vw, 2.4rem);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.thanks-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.9;
  font-weight: 300;
}

/* ===== FLOW (ol override) ===== */
.flow-steps {
  list-style: none;
  padding-left: 0;
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  nav {
    padding: 12px 16px;
  }

  .nav-hamburger {
    display: flex;
  }

  .nav-cta {
    display: none;
  }

  /* モバイルメニュー：opacity でアニメーション */
  .nav-links {
    display: flex !important;
    position: fixed;
    top: 57px;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(248, 248, 246, 0.98);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 40px;
    z-index: 99;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
  }

  nav.nav--open .nav-links {
    opacity: 1;
    pointer-events: auto;
  }

  .nav-links a {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
  }

  section {
    padding: 72px 20px;
  }

  .target-list {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .points-grid {
    grid-template-columns: 1fr;
  }

  .pricing-card {
    padding: 40px 28px;
  }

  .hero {
    padding: 100px 20px 60px;
  }
}