:root {
  --black: #080707;
  --black-soft: #141111;
  --red: #9f111b;
  --red-deep: #6f0910;
  --gold: #d7b46a;
  --ivory: #f6f0e6;
  --paper: #fffaf1;
  --ink: #1b1717;
  --muted: #b9aaa4;
  --line: rgba(215, 180, 106, 0.28);
  --shadow: 0 26px 70px rgba(0, 0, 0, 0.28);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--paper);
  background: var(--black);
  font-family: "Noto Sans JP", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.85;
}

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

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1,
h2,
h3 {
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  line-height: 1.32;
  letter-spacing: 0;
}

h1 {
  max-width: 1040px;
  margin-bottom: 26px;
  font-size: clamp(2.35rem, 5.4vw, 5.55rem);
}

h2 {
  margin-bottom: 28px;
  font-size: clamp(2rem, 4.2vw, 3.65rem);
}

h3 {
  margin-bottom: 16px;
  font-size: clamp(1.25rem, 2.2vw, 1.7rem);
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-nav {
  position: absolute;
  z-index: 3;
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 28px 0;
}

.brand {
  font-family: "Noto Serif JP", serif;
  font-size: 1.05rem;
  font-weight: 900;
  color: var(--gold);
}

.nav-links {
  display: flex;
  gap: 24px;
  color: rgba(255, 250, 241, 0.82);
  font-size: 0.9rem;
  font-weight: 700;
}

.nav-links a {
  transition: color 0.2s ease;
}

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

.hero {
  position: relative;
  min-height: 94vh;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(8, 7, 7, 0.98) 0%, rgba(8, 7, 7, 0.82) 48%, rgba(8, 7, 7, 0.55) 100%),
    url("https://images.unsplash.com/photo-1455390582262-044cdead277a?auto=format&fit=crop&w=1800&q=85") center right / cover;
}

.hero::after {
  position: absolute;
  inset: auto 0 0;
  height: 44%;
  content: "";
  background: linear-gradient(0deg, var(--black) 0%, rgba(8, 7, 7, 0) 100%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 2;
  width: min(1180px, calc(100% - 40px));
  margin: 0 auto;
  padding: 160px 0 96px;
}

.eyebrow,
.section-label {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 18px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before,
.section-label::before {
  display: inline-block;
  width: 42px;
  height: 1px;
  content: "";
  background: var(--gold);
}

.hero-lead {
  max-width: 760px;
  margin-bottom: 22px;
  color: #fff6e8;
  font-size: clamp(1.16rem, 2.4vw, 1.55rem);
  font-weight: 700;
}

.hero-copy {
  max-width: 760px;
  margin-bottom: 34px;
  color: rgba(255, 250, 241, 0.86);
  font-size: 1.04rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 24px;
  max-width: 940px;
}

.hero-actions p {
  max-width: 430px;
  margin: 0;
  color: rgba(255, 250, 241, 0.72);
  font-size: 0.92rem;
  line-height: 1.75;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 16px 28px;
  border: 1px solid transparent;
  border-radius: 4px;
  font-weight: 900;
  line-height: 1.35;
  text-align: center;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

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

.button-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--red) 0%, var(--red-deep) 100%);
  box-shadow: 0 16px 36px rgba(159, 17, 27, 0.34);
}

.button-primary:hover {
  box-shadow: 0 22px 42px rgba(159, 17, 27, 0.48);
}

.button-outline {
  color: var(--gold);
  border-color: rgba(215, 180, 106, 0.62);
  background: rgba(8, 7, 7, 0.3);
}

.button-outline:hover {
  color: #fff;
  border-color: var(--gold);
  background: rgba(159, 17, 27, 0.34);
}

.video-band {
  padding: 54px 0;
  color: var(--paper);
  background: linear-gradient(135deg, #120d0d, #080707);
  border-top: 1px solid rgba(215, 180, 106, 0.2);
  border-bottom: 1px solid rgba(215, 180, 106, 0.2);
}

.video-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.82fr) minmax(0, 1.18fr);
  gap: 42px;
  align-items: center;
}

.video-layout h2 {
  margin-bottom: 18px;
  font-size: clamp(1.65rem, 3.2vw, 2.7rem);
}

.video-layout p:not(.section-label) {
  max-width: 680px;
  margin-bottom: 26px;
  color: rgba(255, 250, 241, 0.78);
}

.video-image-wrap {
  position: relative;
  overflow: hidden;
  border: 1px solid rgba(215, 180, 106, 0.34);
  border-radius: 6px;
  background: var(--black-soft);
  box-shadow: var(--shadow);
}

.video-image-wrap::after {
  position: absolute;
  inset: 0;
  content: "";
  background: linear-gradient(0deg, rgba(8, 7, 7, 0.22), rgba(8, 7, 7, 0));
  pointer-events: none;
}

.video-image-wrap img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.section {
  padding: 104px 0;
}

.section-black {
  color: var(--paper);
  background:
    linear-gradient(135deg, rgba(159, 17, 27, 0.13), rgba(8, 7, 7, 0) 34%),
    var(--black);
}

.section-ivory {
  color: var(--ink);
  background: var(--ivory);
}

.section-red {
  color: #fff7ec;
  background:
    linear-gradient(135deg, rgba(8, 7, 7, 0.72), rgba(8, 7, 7, 0.18)),
    linear-gradient(135deg, var(--red-deep), var(--red));
}

.two-column {
  display: grid;
  grid-template-columns: minmax(260px, 0.82fr) minmax(0, 1.18fr);
  gap: 72px;
  align-items: start;
}

.prose p {
  margin-bottom: 18px;
  font-size: 1.02rem;
}

.strong {
  color: inherit;
  font-weight: 900;
}

.section-black .strong {
  color: var(--gold);
}

.future-grid,
.proof-layout,
.team-grid,
.voice-grid,
.target-grid {
  display: grid;
  gap: 22px;
}

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

.future-grid article,
.team-grid article,
.voice-grid blockquote,
.target-grid article {
  border: 1px solid rgba(20, 17, 17, 0.1);
  border-radius: 6px;
  background: var(--paper);
  box-shadow: 0 18px 52px rgba(20, 17, 17, 0.08);
}

.future-grid article {
  padding: 26px;
}

.future-grid span {
  display: block;
  margin-bottom: 18px;
  color: var(--red);
  font-family: "Noto Serif JP", serif;
  font-size: 2.4rem;
  font-weight: 900;
  line-height: 1;
}

.future-grid p,
.team-grid p,
.voice-grid p,
.target-grid li {
  color: #4e4542;
}

.proof-layout {
  grid-template-columns: 1.25fr 1fr 1fr;
}

.proof-card {
  padding: 28px;
  border: 1px solid rgba(215, 180, 106, 0.26);
  border-radius: 6px;
  background: rgba(8, 7, 7, 0.42);
  box-shadow: var(--shadow);
}

.main-proof {
  grid-row: span 2;
}

.number {
  margin-bottom: 12px;
  color: var(--gold);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.3rem, 4.8vw, 4.8rem);
  font-weight: 900;
  line-height: 1;
}

.proof-card p:last-child {
  margin-bottom: 0;
  color: rgba(255, 250, 241, 0.84);
}

.works-section {
  border-top: 1px solid rgba(20, 17, 17, 0.08);
}

.works-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 22px;
  align-items: stretch;
}

.works-grid img {
  display: block;
  width: 100%;
  height: 236px;
  padding: 14px;
  border: 1px solid rgba(20, 17, 17, 0.1);
  border-radius: 6px;
  object-fit: contain;
  background:
    linear-gradient(145deg, #fffdf8, #f2eadc);
  box-shadow: 0 18px 42px rgba(20, 17, 17, 0.11);
}

.feature-list {
  display: grid;
  gap: 28px;
}

.feature-list article {
  display: grid;
  grid-template-columns: 160px 0.85fr 1fr;
  gap: 28px;
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.feature-list article:last-child {
  border-bottom: 1px solid var(--line);
}

.feature-no {
  color: var(--gold);
  font-weight: 900;
}

.feature-list p {
  margin-bottom: 0;
  color: rgba(255, 250, 241, 0.78);
}

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

.team-grid article {
  overflow: hidden;
  padding: 28px;
  color: var(--ink);
}

.team-photo {
  display: block;
  width: calc(100% + 56px);
  height: 250px;
  margin: -28px -28px 24px;
  object-fit: cover;
  object-position: center 34%;
  border-bottom: 4px solid var(--red);
  background: #ddd2c5;
}

.role {
  margin-bottom: 10px;
  color: var(--red);
  font-size: 0.86rem;
  font-weight: 900;
}

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

.voice-grid blockquote {
  margin: 0;
  padding: 30px;
}

.voice-grid blockquote::before {
  display: block;
  margin-bottom: 16px;
  color: var(--red);
  content: "“";
  font-family: Georgia, serif;
  font-size: 4rem;
  line-height: 0.8;
}

.voice-grid cite {
  display: block;
  margin-top: 18px;
  color: var(--ink);
  font-style: normal;
  font-weight: 900;
}

.price-layout {
  display: grid;
  grid-template-columns: 1fr minmax(280px, 420px);
  gap: 42px;
  align-items: center;
  margin-bottom: 38px;
}

.price-lead {
  max-width: 680px;
  font-size: 1.16rem;
  font-weight: 700;
}

.price-box {
  padding: 34px;
  border: 1px solid rgba(215, 180, 106, 0.38);
  border-radius: 6px;
  background: rgba(8, 7, 7, 0.5);
  text-align: center;
  box-shadow: var(--shadow);
}

.price-box p,
.price-box span {
  color: rgba(255, 250, 241, 0.72);
}

.price-box strong {
  display: block;
  margin: 6px 0 8px;
  color: var(--gold);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2rem, 4vw, 3.1rem);
  line-height: 1.1;
}

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

.target-grid article {
  padding: 30px;
  color: var(--ink);
}

.target-grid ul {
  margin: 0;
  padding-left: 1.2em;
}

.target-grid li + li {
  margin-top: 10px;
}

.trial-section {
  border-top: 1px solid rgba(20, 17, 17, 0.08);
}

.trial-layout {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(0, 1.1fr);
  gap: 56px;
  align-items: start;
}

.trial-lead {
  max-width: 520px;
  color: #4e4542;
  font-size: 1.08rem;
  font-weight: 700;
}

.trial-card {
  padding: 34px;
  border: 1px solid rgba(20, 17, 17, 0.1);
  border-radius: 6px;
  color: var(--ink);
  background: var(--paper);
  box-shadow: 0 18px 52px rgba(20, 17, 17, 0.09);
}

.trial-price-label {
  margin-bottom: 4px;
  color: var(--red);
  font-weight: 900;
}

.trial-price {
  margin-bottom: 22px;
  color: var(--red-deep);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.35rem, 5vw, 3.8rem);
  font-weight: 900;
  line-height: 1;
}

.trial-price span {
  margin-left: 10px;
  color: #5f5450;
  font-family: "Noto Sans JP", sans-serif;
  font-size: 1rem;
  font-weight: 900;
}

.trial-card ul {
  margin: 0 0 22px;
  padding-left: 1.2em;
}

.trial-card li {
  color: #4e4542;
}

.trial-card li + li {
  margin-top: 10px;
}

.trial-note {
  margin: 0;
  padding-top: 18px;
  border-top: 1px solid rgba(159, 17, 27, 0.18);
  color: var(--red-deep);
  font-weight: 900;
}

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

details {
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--black-soft);
}

summary {
  cursor: pointer;
  padding: 22px 24px;
  color: #fff7ec;
  font-weight: 900;
}

details p {
  margin: 0;
  padding: 0 24px 24px;
  color: rgba(255, 250, 241, 0.76);
}

.final-cta {
  padding: 110px 0;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(8, 7, 7, 0.95), rgba(8, 7, 7, 0.62)),
    url("https://images.unsplash.com/photo-1481627834876-b7833e8f5570?auto=format&fit=crop&w=1800&q=85") center / cover;
}

.final-cta .container {
  max-width: 900px;
  margin-left: max(20px, calc((100vw - 1120px) / 2));
}

.final-cta p:not(.section-label) {
  max-width: 720px;
  margin-bottom: 32px;
  color: rgba(255, 250, 241, 0.86);
  font-size: 1.08rem;
}

.site-footer {
  padding: 30px 20px;
  color: rgba(255, 250, 241, 0.58);
  background: #050404;
  text-align: center;
}

.site-footer p {
  margin: 0;
  font-size: 0.85rem;
}

@media (max-width: 980px) {
  .hero {
    min-height: auto;
    background-position: center;
  }

  .hero-inner {
    padding-top: 138px;
  }

  .hero-actions,
  .two-column,
  .video-layout,
  .trial-layout,
  .price-layout {
    grid-template-columns: 1fr;
  }

  .hero-actions {
    display: grid;
  }

  .future-grid,
  .proof-layout,
  .works-grid,
  .team-grid,
  .voice-grid,
  .target-grid {
    grid-template-columns: 1fr 1fr;
  }

  .main-proof {
    grid-row: auto;
    grid-column: span 2;
  }

  .feature-list article {
    grid-template-columns: 1fr;
    gap: 10px;
  }
}

@media (max-width: 680px) {
  .container,
  .hero-inner,
  .site-nav {
    width: min(100% - 28px, 1120px);
  }

  .site-nav {
    align-items: flex-start;
    padding: 20px 0;
  }

  .nav-links {
    gap: 14px;
    font-size: 0.82rem;
  }

  .hero {
    background:
      linear-gradient(180deg, rgba(8, 7, 7, 0.88) 0%, rgba(8, 7, 7, 0.96) 72%),
      url("https://images.unsplash.com/photo-1455390582262-044cdead277a?auto=format&fit=crop&w=1100&q=80") center top / cover;
  }

  .hero-inner {
    padding: 128px 0 74px;
  }

  h1 {
    font-size: clamp(2.05rem, 13vw, 3.5rem);
  }

  h2 {
    font-size: clamp(1.8rem, 10vw, 2.55rem);
  }

  .section {
    padding: 72px 0;
  }

  .future-grid,
  .proof-layout,
  .works-grid,
  .team-grid,
  .voice-grid,
  .target-grid {
    grid-template-columns: 1fr;
  }

  .main-proof {
    grid-column: auto;
  }

  .button {
    width: 100%;
    min-height: 62px;
    padding-inline: 18px;
  }

  .video-band {
    padding: 42px 0;
  }

  .price-box {
    padding: 26px 20px;
  }

  .trial-card {
    padding: 26px 20px;
  }

  .final-cta {
    padding: 82px 0;
  }

  .team-photo {
    height: 280px;
  }

  .works-grid img {
    height: 300px;
  }

  .final-cta .container {
    width: min(100% - 28px, 1120px);
    margin: 0 auto;
  }
}

@media (max-width: 420px) {
  .brand {
    font-size: 0.95rem;
  }

  .nav-links {
    display: none;
  }

  .eyebrow,
  .section-label {
    font-size: 0.72rem;
  }

  .eyebrow::before,
  .section-label::before {
    width: 28px;
  }

  .hero-copy,
  .prose p,
  .final-cta p:not(.section-label) {
    font-size: 0.98rem;
  }
}
