:root {
  --ink: #17120c;
  --muted: #605344;
  --paper: #f7eedc;
  --paper-deep: #ead7b5;
  --red: #9f1111;
  --red-dark: #730b0b;
  --gold: #b78a3e;
  --field: #fffaf0;
  --line: #06c755;
  --line-dark: #049a43;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--paper);
}

body {
  min-height: 100vh;
  margin: 0;
  padding-bottom: 96px;
  color: var(--ink);
  font-family: "Noto Sans JP", system-ui, sans-serif;
  background:
    radial-gradient(circle at 16% 18%, rgba(183, 138, 62, 0.18), transparent 22rem),
    linear-gradient(135deg, rgba(255, 255, 255, 0.62), transparent 36%),
    var(--paper);
}

body::before {
  position: fixed;
  inset: 0;
  pointer-events: none;
  content: "";
  opacity: 0.28;
  background-image:
    linear-gradient(rgba(23, 18, 12, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(23, 18, 12, 0.035) 1px, transparent 1px);
  background-size: 28px 28px;
  mix-blend-mode: multiply;
}

.page-shell {
  position: relative;
  overflow: hidden;
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.92fr) minmax(420px, 1fr);
  gap: clamp(26px, 4.4vw, 64px);
  align-items: start;
  min-height: 100vh;
  padding: clamp(24px, 4vw, 54px);
}

.hero__visual {
  position: sticky;
  top: clamp(18px, 3vw, 36px);
  align-self: start;
  width: 100%;
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border: 1px solid rgba(115, 11, 11, 0.2);
  background: #d8c7a4;
  box-shadow: 0 28px 70px rgba(47, 32, 15, 0.23);
}

.hero__visual::after {
  position: absolute;
  inset: 18px;
  content: "";
  border: 1px solid rgba(255, 250, 240, 0.58);
  pointer-events: none;
}

.hero__visual img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.hero__content {
  max-width: 720px;
}

.audience {
  margin: 0 0 14px;
  color: var(--muted);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1rem, 1.4vw, 1.22rem);
  font-weight: 700;
  letter-spacing: 0;
}

.free-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 150px;
  margin-bottom: 18px;
  padding: 10px 18px;
  border: 4px solid var(--red);
  color: var(--red);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.45rem, 2.3vw, 2rem);
  font-weight: 900;
  line-height: 1;
  transform: rotate(-2deg);
  background: rgba(255, 250, 240, 0.35);
}

h1 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(2.25rem, 3.85vw, 4.15rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
}

.lead {
  max-width: 650px;
  margin: clamp(16px, 2vw, 22px) 0 0;
  color: var(--muted);
  font-size: clamp(1rem, 1.45vw, 1.18rem);
  font-weight: 500;
  line-height: 1.9;
}

.video-panel {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  margin: clamp(8px, 1.4vw, 18px) 0 0;
  border: 1px solid rgba(23, 18, 12, 0.18);
  background: rgba(23, 18, 12, 0.18);
}

.video-panel div {
  min-height: 260px;
  padding: 18px;
  background: rgba(255, 250, 240, 0.72);
}

.video-panel span {
  display: block;
  margin-bottom: 8px;
  color: var(--red);
  font-size: 0.8rem;
  font-weight: 900;
}

.video-panel strong {
  display: block;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
  line-height: 1.7;
}

.video-panel ol {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 1.25em;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 700;
  line-height: 1.65;
}

.video-panel li::marker {
  color: var(--red);
  font-weight: 900;
}

.signup {
  max-width: 690px;
  margin-top: clamp(20px, 2.5vw, 28px);
  padding: clamp(18px, 2.6vw, 28px);
  border: 1px solid rgba(115, 11, 11, 0.24);
  background: rgba(255, 250, 240, 0.84);
  box-shadow: 0 18px 52px rgba(47, 32, 15, 0.14);
}

.signup__label {
  display: block;
  margin: 0 0 12px;
  font-weight: 900;
}

.line-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  width: 100%;
  min-height: 58px;
  padding: 0 24px;
  border: 0;
  border-radius: 0;
  background: linear-gradient(180deg, var(--line), var(--line-dark));
  color: #fff;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
  cursor: pointer;
  box-shadow: 0 10px 0 #02642c;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    filter 0.18s ease;
}

.line-button:hover,
.line-button:focus-visible {
  filter: brightness(1.06);
  transform: translateY(2px);
  box-shadow: 0 8px 0 #02642c;
}

.line-button__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 58px;
  height: 30px;
  padding: 0 9px;
  border: 2px solid currentColor;
  font-size: 0.78rem;
  line-height: 1;
}

.privacy {
  margin: 14px 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.proof {
  border-top: 1px solid rgba(23, 18, 12, 0.12);
  background: rgba(255, 250, 240, 0.58);
}

.proof__inner {
  display: grid;
  grid-template-columns: 0.8fr 1.2fr;
  gap: 32px;
  max-width: 1180px;
  margin: 0 auto;
  padding: 34px 24px 42px;
}

.proof p {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1.2rem, 2vw, 1.7rem);
  font-weight: 900;
  line-height: 1.65;
}

.proof ul {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.proof li {
  position: relative;
  padding-left: 1.4em;
  color: var(--muted);
  font-weight: 700;
  line-height: 1.75;
}

.proof li::before {
  position: absolute;
  left: 0;
  color: var(--red);
  content: "・";
}

.profile {
  background:
    radial-gradient(circle at 50% 0, rgba(183, 138, 62, 0.18), transparent 28rem),
    #050505;
  color: #f8f1e7;
}

.profile__inner {
  max-width: 1060px;
  margin: 0 auto;
  padding: clamp(52px, 8vw, 92px) 24px;
}

.profile__intro {
  max-width: 760px;
  margin: 0 auto;
}

.profile__eyebrow {
  margin: 0 0 10px;
  color: var(--gold);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}

.profile h2,
.profile h3 {
  margin: 0;
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  letter-spacing: 0;
}

.profile h2 {
  font-size: clamp(1.75rem, 4vw, 2.8rem);
  line-height: 1.35;
}

.profile__text {
  display: grid;
  gap: 10px;
  margin-top: 24px;
  color: rgba(248, 241, 231, 0.9);
  font-size: clamp(0.95rem, 1.3vw, 1.05rem);
  font-weight: 700;
  line-height: 2;
}

.profile__text p,
.profile__story p,
.profile__note {
  margin: 0;
}

.profile__story {
  display: grid;
  gap: 10px;
  max-width: 760px;
  margin: clamp(30px, 5vw, 56px) auto 0;
  padding-top: clamp(24px, 4vw, 42px);
  border-top: 1px solid rgba(248, 241, 231, 0.28);
  color: rgba(248, 241, 231, 0.92);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  font-weight: 700;
  line-height: 2.1;
}

.profile mark {
  padding: 0 0.08em;
  background: transparent;
  color: #d8c04b;
}

.profile__results {
  max-width: 760px;
  margin: clamp(46px, 7vw, 78px) auto 0;
}

.profile h3 {
  display: flex;
  align-items: center;
  gap: 18px;
  justify-content: center;
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  text-align: center;
}

.profile h3::before,
.profile h3::after {
  width: min(180px, 24vw);
  height: 1px;
  background: rgba(248, 241, 231, 0.48);
  content: "";
}

.profile__results ul {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(248, 241, 231, 0.42);
}

.profile__results li {
  padding: 18px 0;
  border-bottom: 1px solid rgba(248, 241, 231, 0.42);
  color: rgba(248, 241, 231, 0.92);
  font-size: clamp(0.96rem, 1.35vw, 1.08rem);
  font-weight: 700;
  line-height: 1.85;
}

.profile__note {
  margin-top: 18px;
  color: rgba(248, 241, 231, 0.9);
  font-family: "Noto Serif JP", serif;
  font-weight: 900;
  text-align: right;
}

.fixed-cta {
  position: fixed;
  z-index: 20;
  right: 0;
  bottom: 0;
  left: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: clamp(14px, 3vw, 28px);
  padding: 14px clamp(16px, 4vw, 40px) calc(14px + env(safe-area-inset-bottom));
  border-top: 1px solid rgba(115, 11, 11, 0.26);
  background: rgba(255, 250, 240, 0.94);
  box-shadow: 0 -18px 48px rgba(47, 32, 15, 0.18);
  backdrop-filter: blur(10px);
}

.fixed-cta p {
  margin: 0;
  color: var(--ink);
  font-family: "Noto Serif JP", serif;
  font-size: clamp(0.98rem, 1.6vw, 1.22rem);
  font-weight: 900;
  line-height: 1.35;
}

.fixed-cta__button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: min(360px, 46vw);
  min-height: 56px;
  padding: 0 26px;
  background: linear-gradient(180deg, var(--line), var(--line-dark));
  color: #fff;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 8px 0 #02642c;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    filter 0.18s ease;
}

.fixed-cta__button:hover,
.fixed-cta__button:focus-visible {
  filter: brightness(1.06);
  transform: translateY(2px);
  box-shadow: 0 6px 0 #02642c;
}

@media (max-width: 980px) {
  .hero {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .hero__visual {
    position: relative;
    top: auto;
    min-height: auto;
    aspect-ratio: 1 / 1;
  }

  .hero__content {
    max-width: none;
  }

  .video-panel {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .hero {
    padding: 16px 16px 30px;
  }

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

  .video-panel div {
    min-height: auto;
  }

  .line-button {
    width: 100%;
    padding-inline: 16px;
  }

  body {
    padding-bottom: 134px;
  }

  .fixed-cta {
    display: grid;
    gap: 10px;
    padding: 12px 14px calc(12px + env(safe-area-inset-bottom));
  }

  .fixed-cta p {
    text-align: center;
  }

  .fixed-cta__button {
    width: min(100%, 520px);
    min-width: 0;
    margin: 0 auto;
  }

  .profile h3 {
    justify-content: flex-start;
    text-align: left;
  }

  .profile h3::before {
    display: none;
  }
}
