:root {
  --navy: #0a1f44;
  --navy-soft: #12306a;
  --navy-deep: #07162f;
  --gold: #c9a961;
  --gold-soft: #e7d8ae;
  --gold-deep: #9e7e3d;
  --white: #ffffff;
  --ivory: #f5f1e7;
  --mist: #edf1f7;
  --line: #d7deea;
  --muted: #61718e;
  --text: #142747;
  --text-light: rgba(255, 255, 255, 0.9);
  --shadow: 0 26px 60px rgba(9, 24, 53, 0.12);
  --radius: 26px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(201, 169, 97, 0.12), transparent 26%),
    linear-gradient(180deg, #fcfdff 0%, #f3f6fb 100%);
  color: var(--text);
  font-family: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", sans-serif;
  line-height: 1.75;
}

img {
  display: block;
  max-width: 100%;
}

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(calc(100% - 40px), var(--container));
  margin: 0 auto;
}

.narrow {
  width: min(calc(100% - 40px), 920px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(20px);
  background: rgba(10, 31, 68, 0.88);
}

.header-inner,
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.header-inner {
  min-height: 78px;
}

.brand,
.footer-brand,
.section-heading h2,
.point-card h3,
.closing-card h2,
.contact-card h2 {
  font-family: "Noto Serif JP", "Yu Mincho", serif;
}

.brand {
  color: var(--white);
  letter-spacing: 0.08em;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255, 255, 255, 0.84);
  font-size: 0.95rem;
}

.header-nav a:hover {
  color: var(--white);
}

.nav-cta {
  padding: 10px 16px;
  border: 1px solid rgba(201, 169, 97, 0.5);
  border-radius: 999px;
  color: var(--white);
}

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 0;
  background: transparent;
  cursor: pointer;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.nav-toggle-bar {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.2s ease;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

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

.nav-toggle[aria-expanded="true"] .nav-toggle-bar:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.section {
  padding: 104px 0;
}

.section-dark {
  color: var(--text-light);
  background:
    radial-gradient(circle at top right, rgba(201, 169, 97, 0.16), transparent 24%),
    linear-gradient(180deg, var(--navy) 0%, #102a59 100%);
}

.section-light {
  background: transparent;
}

.section-accent,
.closing-section {
  background:
    linear-gradient(180deg, rgba(201, 169, 97, 0.1) 0%, rgba(255, 255, 255, 0.94) 100%),
    var(--ivory);
}

.section-contact {
  background:
    radial-gradient(circle at left top, rgba(201, 169, 97, 0.14), transparent 28%),
    linear-gradient(180deg, #0b2148 0%, var(--navy-deep) 100%);
  color: var(--text-light);
}

.section-heading {
  max-width: 820px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-heading h2,
.contact-card h2,
.closing-card h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.2rem);
  line-height: 1.35;
  letter-spacing: 0.04em;
}

.section-heading p:last-child,
.contact-card p,
.closing-card p {
  margin-bottom: 0;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--gold);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero {
  padding: 0 0 64px;
}

.hero-image-wrap {
  width: 100%;
  line-height: 0;
}

.hero-image-wrap img {
  width: 100%;
  height: auto;
  display: block;
}

.hero-cta-wrap {
  width: 100%;
  margin-top: 48px;
  padding: 0 20px;
  box-sizing: border-box;
  text-align: center;
}

.hero-cta-inner {
  display: inline-flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 18px;
  max-width: 100%;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 220px;
  min-height: 58px;
  padding: 14px 28px;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  border: 1px solid var(--gold);
  background: linear-gradient(135deg, var(--gold) 0%, #ead08e 100%);
  color: #0b1730;
}

.button-secondary {
  border: 1px solid rgba(255, 255, 255, 0.3);
  background: rgba(255, 255, 255, 0.06);
  color: var(--white);
}

.pain-grid,
.point-grid,
.flow-grid,
.replace-grid,
.example-grid,
.future-grid {
  display: grid;
  gap: 24px;
}

.pain-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.point-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.replace-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.six-col {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.five-col {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.future-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.pain-card,
.point-card,
.flow-card,
.replace-card,
.example-card,
.choice-card,
.closing-card {
  border-radius: var(--radius);
}

.pain-card,
.replace-card,
.choice-card,
.closing-card {
  background: rgba(255, 255, 255, 0.92);
  box-shadow: var(--shadow);
}

.pain-card,
.point-card,
.flow-card,
.replace-card,
.example-card,
.future-card,
.choice-card {
  padding: 30px;
}

.point-card,
.flow-card,
.example-card,
.future-card {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.card-icon,
.step,
.point-number,
.future-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.card-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 18px;
  border-radius: 18px;
  background: rgba(201, 169, 97, 0.12);
  color: var(--gold);
  font-size: 1.35rem;
}

.pain-card p,
.point-card p,
.flow-card p,
.example-card p,
.future-card p,
.replace-card p,
.choice-card p {
  margin: 0;
}

.pain-card p {
  font-size: 1.03rem;
  font-weight: 500;
}

.bridge-message {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 28px;
  padding: 22px 28px;
  border-left: 4px solid var(--gold);
  border-radius: 20px;
  background: linear-gradient(90deg, rgba(201, 169, 97, 0.12), rgba(255, 255, 255, 0.94));
  box-shadow: var(--shadow);
}

.bridge-message strong {
  font-size: 1.12rem;
}

.point-number,
.step,
.future-index {
  width: 58px;
  height: 58px;
  margin-bottom: 18px;
  border-radius: 50%;
  background: rgba(201, 169, 97, 0.14);
  color: var(--gold-soft);
  font-weight: 700;
  letter-spacing: 0.12em;
}

.point-card h3,
.replace-card h3,
.example-card h3,
.choice-label,
.future-card h3 {
  margin: 0 0 12px;
  font-size: 1.28rem;
}

.examples-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
  margin-top: 56px;
  text-align: center;
}

.examples-link {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 32px;
  border: 1px solid rgba(201, 169, 97, 0.55);
  border-radius: 999px;
  background: rgba(201, 169, 97, 0.12);
  color: var(--gold-soft);
  font-size: 1.05rem;
  font-weight: 700;
  transition: background 0.2s ease, transform 0.2s ease, border-color 0.2s ease;
}

.examples-link:hover {
  background: rgba(201, 169, 97, 0.22);
  border-color: rgba(201, 169, 97, 0.85);
  color: var(--white);
  transform: translateY(-2px);
}

.examples-link i:first-child {
  font-size: 1.15rem;
}

.examples-link i:last-child {
  font-size: 0.85rem;
  opacity: 0.85;
}

.examples-note {
  margin: 0;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.92rem;
}

.replace-card h3 {
  color: var(--navy);
}

.compare-box {
  padding: 22px;
  border-radius: 22px;
}

.compare-box.before {
  border: 1px solid #cdd5e1;
  background: #f8fafc;
}

.compare-box.after {
  border: 2px solid rgba(201, 169, 97, 0.72);
  background:
    linear-gradient(180deg, rgba(201, 169, 97, 0.18) 0%, rgba(10, 31, 68, 0.04) 100%),
    var(--white);
}

.compare-label {
  margin-bottom: 6px;
  color: var(--muted);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.compare-title {
  margin-bottom: 10px;
  font-weight: 700;
}

.compare-price {
  margin-bottom: 10px;
  color: var(--navy);
  font-size: 1.08rem;
}

.compare-price.strong {
  color: var(--navy);
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
}

.compare-note {
  color: var(--muted);
  font-size: 0.95rem;
}

.compare-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 40px;
  color: var(--gold-deep);
  font-size: 1.1rem;
}

.section-note {
  margin: 24px 0 0;
  color: var(--muted);
  text-align: center;
}

.choice-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.choice-card {
  padding: 30px;
}

.choice-card.highlight {
  border: 2px solid rgba(201, 169, 97, 0.58);
  background:
    linear-gradient(180deg, rgba(201, 169, 97, 0.12) 0%, rgba(255, 255, 255, 0.96) 100%),
    var(--white);
}

.choice-label {
  color: var(--navy);
}

.check-list,
.contact-points,
.bullet-inline,
.recommend-list {
  padding: 0;
  margin: 0;
  list-style: none;
}

.check-list {
  display: grid;
  gap: 12px;
}

.check-list li {
  position: relative;
  padding-left: 30px;
}

.check-list li::before {
  content: "\f058";
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--gold);
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
}

.check-list.negative li::before {
  content: "\f057";
  color: #7d879b;
}

.future-note {
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.74);
}

.conclusion-box {
  margin-top: 26px;
  padding: 28px 30px;
  border: 1px solid rgba(201, 169, 97, 0.46);
  border-radius: var(--radius);
  background:
    linear-gradient(135deg, rgba(201, 169, 97, 0.18), rgba(10, 31, 68, 0.06)),
    var(--white);
  box-shadow: var(--shadow);
}

.conclusion-box h3 {
  margin: 0 0 18px;
  color: var(--navy);
  font-family: "Noto Serif JP", "Yu Mincho", serif;
  font-size: 1.45rem;
  line-height: 1.5;
}

.bullet-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.bullet-inline li {
  padding: 10px 14px;
  border-radius: 999px;
  background: rgba(10, 31, 68, 0.08);
  color: var(--navy);
  font-weight: 700;
}

.recommend-list {
  display: grid;
  gap: 16px;
  padding: 32px;
  border: 1px solid rgba(201, 169, 97, 0.18);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.08);
}

.recommend-list li,
.contact-points li {
  display: flex;
  align-items: center;
  gap: 12px;
}

.recommend-list i,
.contact-points i {
  color: var(--gold);
}

.closing-card {
  padding: 44px;
  text-align: center;
}

.closing-card .button {
  margin-top: 18px;
}

.contact-card {
  padding: 48px 40px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 20px;
  text-align: center;
}

.contact-card .eyebrow {
  margin-bottom: 12px;
}

.contact-lead {
  max-width: 640px;
  margin: 12px auto 0;
}

.contact-points {
  display: grid;
  gap: 12px;
  width: fit-content;
  margin: 32px auto 0;
  padding: 0;
  list-style: none;
  text-align: left;
}

.contact-points li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.contact-cta {
  margin-top: 36px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.button-large {
  padding: 18px 40px;
  font-size: 1.05rem;
}

.button-large i {
  margin-right: 10px;
}

.contact-note {
  margin: 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-footer {
  padding: 24px 0 34px;
  background: #07152e;
  color: rgba(255, 255, 255, 0.72);
}

.footer-copy {
  margin: 0;
  font-size: 0.92rem;
}

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal,
  .button {
    transition: none;
  }

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

@media (max-width: 1120px) {
  .pain-grid,
  .point-grid,
  .replace-grid,
  .future-grid,
  .five-col,
  .six-col,
  .flow-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

}

@media (max-width: 760px) {
  .container,
  .narrow {
    width: min(calc(100% - 28px), var(--container));
  }

  .site-header {
    position: sticky;
  }

  .footer-inner,
  .choice-grid,
  .pain-grid,
  .point-grid,
  .flow-grid,
  .replace-grid,
  .five-col,
  .six-col {
    display: grid;
  }

  .footer-inner {
    justify-content: initial;
  }

  .header-inner {
    padding: 14px 0;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .nav-toggle {
    display: flex;
    order: 2;
  }

  .header-nav {
    order: 3;
    flex-basis: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 8px;
    margin-top: 14px;
    padding: 12px 4px 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    pointer-events: none;
    transition: max-height 0.3s ease, opacity 0.25s ease, margin-top 0.3s ease, padding 0.3s ease;
  }

  .header-nav.is-open {
    max-height: 320px;
    opacity: 1;
    pointer-events: auto;
  }

  .header-nav a {
    padding: 12px 14px;
    border-radius: 12px;
    text-align: left;
  }

  .header-nav a:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .nav-cta {
    text-align: center;
    margin-top: 4px;
  }

  .section {
    padding: 76px 0;
  }

  .hero {
    padding: 0 0 40px;
  }

  .hero-cta-wrap {
    margin-top: 32px;
    gap: 12px;
  }

  .pain-grid,
  .point-grid,
  .flow-grid,
  .replace-grid,
  .choice-grid,
  .five-col,
  .six-col {
    grid-template-columns: 1fr;
  }

  .button {
    width: 100%;
    min-width: 0;
  }

  .pain-card,
  .point-card,
  .flow-card,
  .replace-card,
  .example-card,
  .choice-card,
  .closing-card,
  .contact-card,
  .recommend-list {
    padding: 32px 22px;
  }

  .bridge-message {
    flex-direction: column;
    align-items: flex-start;
  }

  .compare-arrow {
    height: auto;
    padding: 12px 0;
  }

  .compare-arrow i {
    transform: rotate(90deg);
  }

  .bullet-inline {
    flex-direction: column;
  }
}