/* ===== BASE / RESET ===== */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-ink: #1a1a2e;
  --color-washi: #f7f3ee;
  --color-sumi: #2d2d3f;
  --color-gold: #c8a45e;
  --color-gold-dark: #a8864a;
  --color-gold-light: #e8d5a0;
  --color-accent: #d45050;
  --color-mist: #e8e4de;
  --color-text-muted: #5a5a6c;
  --color-text-soft: #6a6a7c;
  --font-serif: "Noto Serif JP", "Hiragino Mincho ProN", serif;
  --font-sans: "Zen Kaku Gothic New", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --header-h: 4rem;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--header-h);
}

body {
  background: var(--color-washi);
  color: var(--color-ink);
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  line-height: 1.6;
}

body.is-nav-open {
  overflow: hidden;
}

a {
  text-decoration: none;
  color: inherit;
}

a:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
  border-radius: 2px;
}

img {
  max-width: 100%;
  height: auto;
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

code {
  background: var(--color-mist);
  padding: 0.125rem 0.5rem;
  border-radius: 0.25rem;
  font-size: 0.875rem;
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  color: var(--color-sumi);
}

/* Skip link: キーボード操作時のみ表示 */
.skip-link {
  position: absolute;
  left: 0;
  top: -40px;
  background: var(--color-ink);
  color: #fff;
  padding: 0.5rem 1rem;
  border-radius: 0 0 0.5rem 0;
  font-weight: 700;
  z-index: 100;
  transition: top 0.15s ease;
}

.skip-link:focus {
  top: 0;
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* ===== UTILITIES ===== */
.container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.container--narrow {
  max-width: 64rem;
}

.container--xs {
  max-width: 48rem;
}

.sp-only {
  display: inline;
}

.u-hide-sp {
  display: none;
}

/* ===== HEADER ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  background: rgba(247, 243, 238, 0.85);
  border-bottom: 1px solid rgba(232, 228, 222, 0.6);
  transition: box-shadow 0.3s ease;
}

.site-header.has-shadow {
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.site-header__inner {
  max-width: 72rem;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.5rem;
  min-height: var(--header-h);
}

.site-header__logo {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  letter-spacing: 0.05em;
  color: var(--color-sumi);
}

.site-header__logo-accent {
  color: var(--color-gold-dark);
}

.site-header__nav {
  display: none;
  align-items: center;
  gap: 2rem;
}

.site-header__nav a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: color 0.2s;
}

.site-header__nav a:hover {
  color: var(--color-gold-dark);
}

/* Mobile menu button */
.site-header__menu-btn {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0.5rem;
  border-radius: 0.375rem;
}

.site-header__menu-btn:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

.site-header__menu-bar {
  display: block;
  width: 1.5rem;
  height: 2px;
  background: var(--color-sumi);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-bar:nth-child(2) {
  opacity: 0;
}

.site-header__menu-btn[aria-expanded="true"] .site-header__menu-bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile drawer */
@media (max-width: 767px) {
  .site-header__nav.is-open {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--color-washi);
    padding: 1.5rem;
    overflow-y: auto;
    border-top: 1px solid var(--color-mist);
  }

  .site-header__nav.is-open a {
    display: block;
    width: 100%;
    padding: 1rem 0.5rem;
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-sumi);
    border-bottom: 1px solid var(--color-mist);
  }
}

.btn-cta-sm {
  display: inline-block;
  background: var(--color-gold-dark);
  color: #fff;
  font-size: 0.875rem;
  font-weight: 700;
  padding: 0.625rem 1.25rem;
  border-radius: 0.5rem;
  transition: background 0.2s;
}

.btn-cta-sm:hover {
  background: var(--color-sumi);
}

.btn-cta-sm:focus-visible {
  outline: 2px solid var(--color-ink);
  outline-offset: 2px;
}

/* ===== HERO ===== */
.hero {
  position: relative;
  min-height: calc(100vh - var(--header-h));
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-h);
}

.hero__inner {
  position: relative;
  z-index: 10;
  width: 100%;
  display: flex;
  flex-direction: column;
}

.hero__headline {
  padding: 3rem max(1.5rem, calc((100vw - 72rem) / 2)) 1rem;
}

.hero__title {
  font-family: var(--font-serif);
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.15;
  color: var(--color-ink);
  font-size: clamp(2.25rem, 7vw, 5rem);
}

.hero__title-line {
  display: block;
  margin-bottom: 0.25em;
}

.hero__title-line--start  { text-align: left; }
.hero__title-line--center { text-align: center; }
.hero__title-line--end    { text-align: right; margin-bottom: 0; }

.hero__title-line--center em {
  font-style: normal;
  color: var(--color-gold-dark);
  position: relative;
}

.hero__title-line--center em::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.05em;
  width: 100%;
  height: 0.06em;
  background: var(--color-gold);
  opacity: 0.5;
}

/* 下段 */
.hero__body {
  display: grid;
  gap: 2rem;
  align-items: start;
  padding: 1rem max(1.5rem, calc((100vw - 72rem) / 2)) 3rem;
}

.hero__desc {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
  max-width: 30rem;
  margin-bottom: 2rem;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.hero__note {
  color: var(--color-text-soft);
  font-size: 0.8125rem;
  margin-top: 1rem;
}

.hero__body-right {
  display: none;
  position: relative;
}

/* セクション区切りティッカー */
.section-ticker {
  overflow: hidden;
  width: 100%;
  background: var(--color-ink);
  padding: 0.75rem 0;
}

.section-ticker__track {
  display: flex;
  align-items: center;
  gap: 2.5rem;
  width: max-content;
  animation: ticker 60s linear infinite;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-gold-light);
  white-space: nowrap;
}

.section-ticker__sep {
  color: rgba(200, 164, 94, 0.4);
}

@keyframes ticker {
  from { transform: translateX(0); }
  to   { transform: translateX(var(--ticker-width, -50%)); }
}

/* Hero mockup */
.mockup-card {
  background: #fff;
  border-radius: 1rem;
  box-shadow: 0 25px 50px -12px rgba(26, 26, 46, 0.08);
  padding: 1.5rem;
  border: 1px solid var(--color-mist);
}

.mockup-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.mockup-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 50%;
}

.mockup-dot--red { background: rgba(212, 80, 80, 0.7); }
.mockup-dot--gold { background: rgba(200, 164, 94, 0.7); }
.mockup-dot--green { background: rgba(74, 180, 100, 0.7); }

.mockup-label {
  margin-left: 0.75rem;
  font-size: 0.75rem;
  color: var(--color-text-soft);
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
}

.mockup-fields {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.mockup-field {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mockup-field__label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  width: 6rem;
  flex-shrink: 0;
}

.mockup-field__input {
  flex: 1;
  height: 2.25rem;
  background: var(--color-washi);
  border-radius: 0.375rem;
  border: 1px solid var(--color-mist);
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  font-size: 0.875rem;
  color: var(--color-sumi);
}

.mockup-field__input--placeholder {
  color: var(--color-text-soft);
}

.mockup-actions {
  margin-top: 1.25rem;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.mockup-btn {
  background: var(--color-gold-dark);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border-radius: 0.5rem;
}

.mockup-status {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  color: #15803d;
  font-size: 0.75rem;
  font-weight: 700;
}

.mockup-status svg {
  width: 1rem;
  height: 1rem;
}

/* Floating badge */
.hero__floating-badge {
  position: absolute;
  bottom: -1rem;
  left: -1.5rem;
  background: #fff;
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px rgba(26, 26, 46, 0.06);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-mist);
}

.hero__floating-badge p {
  font-size: 0.75rem;
  font-weight: 700;
  color: #15803d;
  display: flex;
  align-items: center;
  gap: 0.375rem;
}

.hero__floating-badge svg {
  width: 1rem;
  height: 1rem;
}

/* ===== BUTTONS ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--color-ink);
  color: #fff;
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  transition: background 0.2s;
  position: relative;
  overflow: hidden;
}

.btn-primary:hover {
  background: var(--color-sumi);
}

.btn-primary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 3px;
}

.btn-primary svg {
  width: 1.25rem;
  height: 1.25rem;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  border: 2px solid rgba(45, 45, 63, 0.3);
  color: var(--color-sumi);
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem 2rem;
  border-radius: 0.75rem;
  transition: border-color 0.2s, color 0.2s;
}

.btn-secondary:hover {
  border-color: var(--color-gold-dark);
  color: var(--color-gold-dark);
}

.btn-secondary:focus-visible {
  outline: 2px solid var(--color-gold);
  outline-offset: 2px;
}

/* ===== SECTION COMMON ===== */
.section {
  width: 100%;
  padding: 5rem 0;
}

.section--dark {
  background: var(--color-ink);
  color: #fff;
}

.section--mist {
  background: #efebe3;
}

.section__label {
  color: var(--color-gold-dark);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  margin-bottom: 0.75rem;
}

.section--dark .section__label {
  color: var(--color-gold-light);
}

.section__title {
  font-family: var(--font-serif);
  font-size: 1.875rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

/* Title margin modifiers（インラインstyle置換） */
.section__title--mb-md { margin-bottom: 2rem; }
.section__title--mb-lg { margin-bottom: 3rem; }
.section__title--mb-xl { margin-bottom: 4rem; }

.section__desc {
  color: var(--color-text-muted);
  font-size: 1.125rem;
  margin-bottom: 4rem;
  max-width: 40rem;
  line-height: 1.8;
}

/* ===== PAIN POINTS ===== */
.pain-grid {
  display: grid;
  gap: 2rem;
  align-items: stretch;
}

.pain-card {
  background: rgba(255, 255, 255, 0.06);
  border-radius: 1.25rem;
  padding: 2.5rem 1.75rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: border-color 0.2s, transform 0.2s;
  display: flex;
  flex-direction: column;
}

.pain-card:hover {
  border-color: rgba(200, 164, 94, 0.5);
  transform: translateY(-4px);
}

.pain-card__icon {
  width: 4.5rem;
  height: 4.5rem;
  border-radius: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.75rem;
}

.pain-card__icon--gold { background: rgba(200, 164, 94, 0.18); }
.pain-card__icon--accent { background: rgba(212, 80, 80, 0.18); }
.pain-card__icon--blue { background: rgba(96, 165, 250, 0.18); }

.pain-card__icon svg {
  width: 2.25rem;
  height: 2.25rem;
}

.pain-card__icon--gold svg { color: var(--color-gold-light); }
.pain-card__icon--accent svg { color: #f4a3a3; }
.pain-card__icon--blue svg { color: #a5c9f5; }

.pain-card__title {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: #fff;
}

.pain-card__text {
  color: rgba(255, 255, 255, 0.78);
  font-size: 0.95rem;
  line-height: 1.8;
  margin-top: auto;
}

/* ===== FEATURES ===== */
.features-list {
  display: flex;
  flex-direction: column;
  gap: 4rem;
}

.feature-row {
  display: grid;
  gap: 2.5rem;
  align-items: center;
}

.feature-visual {
  background: #fff;
  border-radius: 1rem;
  padding: 2rem;
  border: 1px solid var(--color-mist);
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
}

.feature-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  border-radius: 0.5rem;
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1.125rem;
  margin-bottom: 1rem;
}

.feature-number--gold {
  background: rgba(200, 164, 94, 0.15);
  color: var(--color-gold-dark);
}

.feature-number--accent {
  background: rgba(212, 80, 80, 0.12);
  color: #b94040;
}

.feature-number--blue {
  background: rgba(59, 130, 246, 0.12);
  color: #2563eb;
}

.feature-title {
  font-family: var(--font-serif);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}

.feature-text {
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* Feature 1: form → shortcode visual */
.feature-visual__form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  width: 100%;
}

.feature-visual__form-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.feature-visual__form-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  width: 5rem;
  flex-shrink: 0;
}

.feature-visual__form-value {
  flex: 1;
  height: 2rem;
  background: var(--color-washi);
  border: 1px solid var(--color-mist);
  border-radius: 0.375rem;
  display: flex;
  align-items: center;
  padding: 0 0.75rem;
  font-size: 0.8rem;
  color: var(--color-sumi);
}

.feature-visual__arrow {
  text-align: center;
  font-size: 1.5rem;
  color: var(--color-gold-dark);
  margin: 1rem 0;
  /* モバイル縦レイアウト時は下向きに */
  transform: rotate(90deg);
}

@media (min-width: 768px) {
  .feature-visual__arrow {
    transform: rotate(90deg);
  }
}

.feature-visual__shortcode {
  text-align: center;
  background: var(--color-washi);
  border: 1px dashed var(--color-gold-dark);
  border-radius: 0.5rem;
  padding: 0.75rem 1.5rem;
}

.feature-visual__shortcode code {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-gold-dark);
  background: none;
  padding: 0;
}

/* Feature divider */
.feature-divider {
  border: none;
  border-top: 1px solid var(--color-mist);
  margin: 0;
}

/* Check list visual */
.check-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.check-list__item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.check-list__item svg {
  width: 1.25rem;
  height: 1.25rem;
  flex-shrink: 0;
}

.check-list__item--ok svg { color: #15803d; }
.check-list__item--warn svg { color: #b94040; }

.check-list__item span {
  font-size: 0.875rem;
  color: var(--color-sumi);
}

.check-list__item--warn span {
  color: #b94040;
  font-weight: 600;
}

/* Output preview visual */
.output-preview {
  border-left: 4px solid var(--color-gold-dark);
  padding-left: 1rem;
  margin-bottom: 0.75rem;
}

.output-preview__title {
  font-family: var(--font-serif);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-ink);
}

.output-preview__rows {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.output-preview__row {
  display: flex;
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.output-preview__row span:first-child {
  width: 5rem;
  flex-shrink: 0;
  font-weight: 500;
  color: var(--color-sumi);
}

/* ===== HOW TO USE ===== */
.steps {
  display: flex;
  flex-direction: column;
  gap: 3rem;
}

.step {
  position: relative;
  display: flex;
  gap: 1.5rem;
}

.step__indicator {
  position: relative;
  z-index: 10;
}

.step__number {
  width: 3.5rem;
  height: 3.5rem;
  border-radius: 1rem;
  background: var(--color-gold-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-serif);
  font-weight: 900;
  font-size: 1.25rem;
  color: #fff;
  box-shadow: 0 10px 25px rgba(168, 134, 74, 0.4);
}

.step__content {
  padding-top: 0.5rem;
}

.step__title {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
  color: #fff;
}

.step__text {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.8;
}

.step__text code {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
}

/* ===== AUDIENCE ===== */
.audience-grid {
  display: grid;
  gap: 1.25rem;
}

.audience-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: #fff;
  border-radius: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--color-mist);
  box-shadow: 0 2px 8px rgba(26, 26, 46, 0.04);
  transition: box-shadow 0.2s, border-color 0.2s;
}

.audience-card:hover {
  border-color: var(--color-gold-dark);
  box-shadow: 0 8px 24px rgba(200, 164, 94, 0.15);
}

.audience-card__check {
  color: var(--color-gold-dark);
  font-size: 1.5rem;
  line-height: 1;
  margin-top: 0.125rem;
  flex-shrink: 0;
}

.audience-card__text {
  color: var(--color-sumi);
  font-size: 1rem;
  line-height: 1.7;
}

/* ===== PRICING ===== */
.pricing-card {
  background: #fff;
  border: 1px solid var(--color-mist);
  border-radius: 1.25rem;
  padding: 2.5rem 2rem;
  box-shadow: 0 4px 16px rgba(26, 26, 46, 0.06);
  text-align: center;
  position: relative;
}

.pricing-card__badge {
  display: inline-block;
  background: var(--color-gold-dark);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 0.375rem 1rem;
  border-radius: 999px;
  margin-bottom: 1rem;
}

.pricing-card__title {
  font-family: var(--font-serif);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-ink);
  margin-bottom: 0.75rem;
}

.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 0.5rem;
  margin-bottom: 2rem;
}

.pricing-card__price-num {
  font-family: var(--font-serif);
  font-size: 3rem;
  font-weight: 900;
  color: var(--color-ink);
  line-height: 1;
}

.pricing-card__price-unit {
  font-size: 0.9rem;
  color: var(--color-text-muted);
}

.pricing-card__list {
  list-style: none;
  text-align: left;
  max-width: 24rem;
  margin: 0 auto 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.pricing-card__list li {
  position: relative;
  padding-left: 1.75rem;
  color: var(--color-sumi);
  line-height: 1.7;
}

.pricing-card__list li::before {
  content: "✓";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-gold-dark);
  font-weight: 700;
  font-size: 1.125rem;
}

.pricing-card__note {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  text-align: left;
  border-top: 1px solid var(--color-mist);
  padding-top: 1rem;
  margin-top: 1rem;
}

/* ===== FAQ ===== */
.faq-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  background: #fff;
  border-radius: 0.75rem;
  border: 1px solid var(--color-mist);
  overflow: hidden;
}

.faq-item__btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  text-align: left;
}

.faq-item__btn:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--color-gold);
}

.faq-item__question {
  font-weight: 700;
  color: var(--color-sumi);
  padding-right: 1rem;
}

.faq-icon {
  color: var(--color-gold-dark);
  font-size: 1.5rem;
  line-height: 1;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 1000px;
}

.faq-answer__inner {
  padding: 0 1.5rem 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  padding: 5rem 0;
  overflow: hidden;
}

.cta-section__inner {
  position: relative;
  z-index: 10;
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.cta-card {
  background: var(--color-ink);
  border-radius: 1.5rem;
  padding: 3rem 2rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: flex-start;
}

.cta-card__title {
  font-family: var(--font-serif);
  font-size: 1.75rem;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
}

.cta-card__desc {
  color: rgba(255, 255, 255, 0.78);
  font-size: 1rem;
  line-height: 1.7;
  margin-top: 1rem;
}

.cta-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.cta-card__actions .btn-primary {
  background: var(--color-gold-dark);
}

.cta-card__actions .btn-primary:hover {
  background: var(--color-gold-light);
  color: var(--color-ink);
}

.cta-card__actions .btn-secondary {
  border-color: rgba(255, 255, 255, 0.4);
  color: #fff;
}

.cta-card__actions .btn-secondary:hover {
  border-color: var(--color-gold-light);
  color: var(--color-gold-light);
}

/* ===== FOOTER ===== */
.site-footer {
  background: var(--color-ink);
  color: rgba(255, 255, 255, 0.75);
  padding: 3rem 0 2rem;
}

.site-footer__inner {
  max-width: 64rem;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  font-size: 0.875rem;
}

.site-footer__meta {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.site-footer__name {
  font-family: var(--font-serif);
  font-weight: 700;
  color: #fff;
  font-size: 1rem;
}

.site-footer__author,
.site-footer__contact,
.site-footer__copy {
  color: rgba(255, 255, 255, 0.7);
}

.site-footer__contact a {
  color: var(--color-gold-light);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.site-footer__contact a:hover {
  color: #fff;
}

.site-footer__links {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
}

.site-footer__links a {
  color: rgba(255, 255, 255, 0.8);
  transition: color 0.2s;
}

.site-footer__links a:hover {
  color: var(--color-gold-light);
}

/* ===== DECORATIVE ===== */
.grain::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1;
}

.slant-top {
  clip-path: polygon(0 4vw, 100% 0, 100% 100%, 0 100%);
  padding-top: calc(5rem + 4vw);
}

.slant-bottom {
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 4vw), 0 100%);
  padding-bottom: calc(5rem + 4vw);
}

.slant-top.slant-bottom {
  clip-path: polygon(0 4vw, 100% 0, 100% calc(100% - 4vw), 0 100%);
  padding-top: calc(5rem + 4vw);
  padding-bottom: calc(5rem + 4vw);
}

.deco-circle {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(200, 164, 94, 0.15);
  pointer-events: none;
}

.deco-circle--cta {
  width: 600px;
  height: 600px;
  top: -15rem;
  left: 50%;
  transform: translateX(-50%);
  opacity: 0.2;
}

/* Scroll reveal */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Step connector */
.step-line {
  position: absolute;
  left: 1.75rem;
  top: 3.5rem;
  bottom: -1.5rem;
  width: 2px;
  background: linear-gradient(to bottom, var(--color-gold), transparent);
}

/* CTA button shimmer */
.btn-cta {
  position: relative;
  overflow: hidden;
}

.btn-cta::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, transparent 40%, rgba(255, 255, 255, 0.25) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: transform 0.6s ease;
}

.btn-cta:hover::after {
  transform: translateX(100%);
}

/* Float animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

.float {
  animation: float 3s ease-in-out infinite;
}

/* ===== MOTION REDUCTION ===== */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }

  .section-ticker__track,
  .float {
    animation: none;
  }

  .btn-cta::after {
    display: none;
  }
}

/* ===== RESPONSIVE ===== */
@media (min-width: 640px) {
  .section {
    padding: 7rem 0;
  }

  .section__title {
    font-size: 2.25rem;
  }

  .pain-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .audience-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .cta-section {
    padding: 7rem 0;
  }

  .cta-card {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 3rem 3.5rem;
    gap: 2.5rem;
  }

  .cta-card__title {
    font-size: 2rem;
  }

  .cta-card__actions {
    flex-shrink: 0;
    flex-direction: column;
  }

  .site-footer__inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }

  .sp-only {
    display: none;
  }

  .u-hide-sp {
    display: inline-block;
  }
}

/* Tablet & up: ナビ表示、Hero 2カラム化 */
@media (min-width: 768px) {
  .site-header__nav {
    display: flex;
  }

  .site-header__menu-btn {
    display: none;
  }

  .feature-row {
    grid-template-columns: 1fr 1fr;
  }

  .feature-row--reverse .feature-content {
    order: 2;
  }

  .feature-row--reverse .feature-visual {
    order: 1;
  }

  .hero__body {
    grid-template-columns: 1.1fr 1fr;
    align-items: center;
    gap: 3rem;
  }

  .hero__body-right {
    display: block;
  }

  .feature-visual__arrow {
    transform: none;
  }
}

@media (min-width: 1024px) {
  .hero__headline {
    padding-top: 4rem;
  }
}