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

:root {
  --bg: #fffaf5;
  --bg-soft: #f3f8ff;
  --surface: #ffffff;
  --ink: #14213d;
  --muted: #657086;
  --line: #eadfd6;
  --orange: #f0643d;
  --orange-dark: #d94e2c;
  --orange-soft: #fff0e8;
  --blue: #2f7dd3;
  --blue-soft: #edf7ff;
  --green: #21a867;
  --shadow: 0 18px 48px rgba(20, 33, 61, 0.10);
  --radius: 8px;
  --container: 1120px;
}

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: "Noto Sans JP", "Inter", system-ui, sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
p, h1, h2, h3 { margin-top: 0; }

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

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 250, 245, 0.92);
  border-bottom: 1px solid rgba(234, 223, 214, 0.76);
  backdrop-filter: blur(16px);
}

.nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 900;
  line-height: 1.15;
}

.brand small {
  display: block;
  color: var(--orange);
  font-size: 0.68rem;
  font-family: "Inter", sans-serif;
}

.brand-mark,
.section-star {
  width: 25px;
  height: 25px;
  display: inline-block;
  background:
    radial-gradient(circle, var(--orange) 0 12%, transparent 13%),
    conic-gradient(from 0deg, transparent 0 6%, var(--orange) 6% 10%, transparent 10% 19%, var(--orange) 19% 23%, transparent 23% 32%, var(--orange) 32% 36%, transparent 36% 45%, var(--orange) 45% 49%, transparent 49% 58%, var(--orange) 58% 62%, transparent 62% 71%, var(--orange) 71% 75%, transparent 75% 84%, var(--orange) 84% 88%, transparent 88% 100%);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  font-size: 0.84rem;
  font-weight: 900;
}

.nav-cta,
.btn-primary,
.btn-light,
.price-card a {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 22px;
  border-radius: var(--radius);
  background: var(--orange);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 900;
  box-shadow: 0 12px 26px rgba(240, 100, 61, 0.24);
  transition: transform 0.18s ease, background 0.18s ease;
}

.nav-cta::after,
.btn-primary::after,
.btn-light::after,
.price-card a::after {
  content: ">";
  font-family: "Inter", sans-serif;
  font-weight: 900;
}

.nav-cta:hover,
.btn-primary:hover,
.btn-light:hover,
.price-card a:hover {
  background: var(--orange-dark);
  transform: translateY(-2px);
}

.hero {
  padding: 34px 0 52px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 0.96fr 1.04fr;
  align-items: center;
  gap: 42px;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 18px;
  padding: 7px 13px;
  border-radius: 7px;
  background: var(--orange);
  color: #fff;
  font-size: 0.82rem;
  font-weight: 900;
}

h1 {
  margin-bottom: 18px;
  font-size: clamp(2.25rem, 4.1vw, 3.55rem);
  line-height: 1.12;
  font-weight: 900;
  letter-spacing: 0;
}

h1 span {
  display: inline-block;
  color: var(--orange);
}

.lead {
  max-width: 570px;
  margin-bottom: 22px;
  color: var(--ink);
  font-size: 1.02rem;
  font-weight: 700;
}

.hero-btn {
  min-width: min(100%, 460px);
  min-height: 64px;
  margin-bottom: 12px;
  font-size: 1.05rem;
}

.microcopy {
  margin-bottom: 16px;
  color: var(--muted);
  font-size: 0.86rem;
  font-weight: 600;
}

.trust-badges {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 10px;
  max-width: 560px;
}

.trust-badges span {
  min-height: 58px;
  padding: 10px 12px 10px 38px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  font-size: 0.86rem;
  font-weight: 900;
  line-height: 1.25;
}

.trust-badges span::before {
  content: "";
  width: 14px;
  height: 14px;
  position: absolute;
  left: 14px;
  top: 16px;
  border-radius: 50%;
  background: var(--green);
}

.trust-badges small {
  display: block;
  margin-top: 4px;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 800;
}

.hero-visual {
  min-height: 470px;
  position: relative;
}

.dashboard-img {
  width: min(100%, 640px);
  margin-left: auto;
  border-radius: 10px;
  filter: drop-shadow(0 24px 36px rgba(20, 33, 61, 0.14));
}

.pixel-hero {
  width: 135px;
  position: absolute;
  left: 1%;
  bottom: 92px;
  z-index: 2;
}

.kohaku-hero {
  width: 178px;
  position: absolute;
  right: 0;
  bottom: 20px;
  z-index: 3;
}

.section {
  padding: 56px 0;
}

.section-heading {
  max-width: 850px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-heading h2 {
  margin-bottom: 10px;
  font-size: clamp(1.78rem, 3.2vw, 2.48rem);
  line-height: 1.28;
  font-weight: 900;
}

.section-heading h2 small {
  display: inline-block;
  margin-left: 8px;
  color: var(--ink);
  font-size: 0.55em;
}

.section-heading p {
  margin: 0;
  color: var(--muted);
  font-weight: 700;
}

.section-star {
  margin-bottom: 4px;
}

.problem-grid,
.benefit-grid,
.bonus-grid,
.voice-grid,
.price-grid,
.faq-grid {
  display: grid;
  gap: 16px;
}

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

.problem-card,
.benefit-card,
.bonus-card,
.voice-card,
.price-card,
.faq-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 10px 28px rgba(20, 33, 61, 0.05);
}

.problem-card {
  min-height: 202px;
  padding: 22px 18px;
}

.problem-card img {
  width: 66px;
  height: 66px;
  object-fit: contain;
  margin-bottom: 12px;
}

.problem-card h3,
.benefit-card h3,
.day-card h3,
.bonus-card h3,
.voice-card h3,
.price-card h3 {
  margin-bottom: 8px;
  font-size: 1.02rem;
  line-height: 1.45;
  font-weight: 900;
}

.problem-card p,
.benefit-card p,
.day-card p,
.bonus-card p,
.voice-card p,
.faq-item p {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
}

.future-panel {
  position: relative;
  overflow: hidden;
  padding: 38px 42px 42px;
  border-radius: var(--radius);
  background: linear-gradient(180deg, #edf8ff 0%, #f8fcff 100%);
  border: 1px solid #dfeeff;
}

.flow-line {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 14px;
  padding-right: 150px;
}

.flow-item {
  position: relative;
  min-height: 122px;
  padding: 16px 12px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.82);
  text-align: center;
}

.flow-item:not(:last-child)::after {
  content: ">";
  position: absolute;
  top: 50%;
  right: -14px;
  transform: translateY(-50%);
  color: var(--blue);
  font-family: "Inter", sans-serif;
  font-size: 1.4rem;
  font-weight: 900;
}

.flow-item span {
  display: inline-grid;
  place-items: center;
  width: 38px;
  height: 38px;
  margin-bottom: 10px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-family: "Inter", sans-serif;
  font-weight: 900;
}

.flow-item strong,
.flow-item small {
  display: block;
}

.flow-item strong {
  margin-bottom: 3px;
  font-size: 0.94rem;
  font-weight: 900;
}

.flow-item small {
  color: var(--muted);
  font-weight: 700;
  line-height: 1.35;
}

.future-kohaku {
  width: 145px;
  position: absolute;
  right: 22px;
  bottom: 18px;
}

.benefit-grid {
  grid-template-columns: repeat(6, 1fr);
}

.benefit-card {
  min-height: 196px;
  padding: 22px 15px;
  text-align: center;
}

.benefit-icon {
  width: 56px;
  height: 56px;
  display: inline-grid;
  place-items: center;
  margin-bottom: 14px;
  border-radius: 50%;
  background: var(--blue-soft);
  color: var(--blue);
  font-family: "Inter", sans-serif;
  font-weight: 900;
}

.benefit-icon.line {
  background: #e9faee;
  color: var(--green);
  font-size: 0.8rem;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 12px;
}

.day-card {
  position: relative;
  min-height: 176px;
  padding: 40px 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: #fff;
  text-align: center;
  box-shadow: 0 10px 28px rgba(20, 33, 61, 0.05);
}

.day-card:not(:last-child)::after {
  content: ">";
  position: absolute;
  right: -13px;
  top: 50%;
  z-index: 3;
  color: var(--orange);
  font-family: "Inter", sans-serif;
  font-size: 1.35rem;
  font-weight: 900;
}

.day-card span {
  min-width: 66px;
  min-height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 50%;
  top: -1px;
  transform: translateX(-50%);
  border-radius: 0 0 7px 7px;
  background: var(--orange);
  color: #fff;
  font-family: "Inter", sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
}

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

.bonus-card {
  padding: 20px;
}

.bonus-card span {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 5px 10px;
  border-radius: 999px;
  background: var(--orange-soft);
  color: var(--orange);
  font-family: "Inter", sans-serif;
  font-size: 0.78rem;
  font-weight: 900;
}

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

.voice-card {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 16px;
  padding: 18px;
  align-items: start;
}

.voice-card img {
  width: 74px;
  height: 74px;
  border-radius: 50%;
  object-fit: cover;
  border: 1px solid var(--line);
}

.voice-card .role {
  margin-bottom: 2px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 900;
}

.price-grid {
  grid-template-columns: repeat(3, 1fr);
  align-items: stretch;
}

.price-card {
  position: relative;
  padding: 28px 24px 24px;
  overflow: hidden;
}

.price-card.recommended {
  border: 2px solid var(--orange);
  box-shadow: 0 18px 48px rgba(240, 100, 61, 0.16);
}

.recommend-label {
  position: absolute;
  inset: 0 auto auto 50%;
  transform: translateX(-50%);
  min-width: 180px;
  margin: 0;
  padding: 5px 12px;
  border-radius: 0 0 8px 8px;
  background: var(--orange);
  color: #fff;
  text-align: center;
  font-size: 0.82rem;
  font-weight: 900;
}

.plan-period {
  margin: 0 0 4px;
  color: var(--orange);
  font-size: 1.28rem;
  font-weight: 900;
}

.price {
  margin: 16px 0;
  color: var(--ink);
  font-family: "Inter", "Noto Sans JP", sans-serif;
  font-size: 2.05rem;
  font-weight: 900;
  line-height: 1;
}

.price small {
  margin-left: 4px;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 800;
}

.price-card ul {
  min-height: 128px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.price-card li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 700;
}

.price-card li::before {
  content: "";
  width: 7px;
  height: 7px;
  position: absolute;
  left: 0;
  top: 0.74em;
  border-radius: 50%;
  background: var(--orange);
}

.price-card img {
  width: 62px;
  position: absolute;
  right: 18px;
  bottom: 78px;
}

.price-card a {
  width: 100%;
}

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

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-item summary {
  min-height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  cursor: pointer;
  font-weight: 900;
  list-style: none;
}

.faq-item summary::-webkit-details-marker { display: none; }

.faq-item summary::before {
  content: "Q";
  width: 26px;
  height: 26px;
  display: inline-grid;
  place-items: center;
  flex: 0 0 auto;
  border-radius: 50%;
  background: var(--blue);
  color: #fff;
  font-family: "Inter", sans-serif;
  font-size: 0.82rem;
  font-weight: 900;
}

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  color: var(--ink);
  font-family: "Inter", sans-serif;
  font-size: 1.2rem;
  font-weight: 900;
}

.faq-item[open] summary::after {
  content: "-";
}

.faq-item p {
  padding: 0 18px 18px 58px;
}

.final-cta {
  padding: 38px 0 0;
}

.final-panel {
  min-height: 210px;
  position: relative;
  display: grid;
  grid-template-columns: 160px 1fr 190px;
  align-items: center;
  gap: 28px;
  padding: 28px 44px;
  overflow: hidden;
  border-radius: 10px 10px 0 0;
  background: linear-gradient(135deg, var(--orange) 0%, #f37b55 100%);
  color: #fff;
}

.final-panel h2 {
  margin-bottom: 18px;
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.35;
  font-weight: 900;
}

.btn-light {
  min-width: min(100%, 480px);
  background: #fff;
  color: var(--orange);
  box-shadow: none;
}

.btn-light:hover {
  background: #fff7f3;
  color: var(--orange-dark);
}

.final-pixel {
  width: 132px;
}

.final-kohaku {
  width: 180px;
  align-self: end;
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

.reveal-delay-1 { transition-delay: 0.08s; }
.reveal-delay-2 { transition-delay: 0.16s; }
.reveal-delay-3 { transition-delay: 0.24s; }

@media (max-width: 980px) {
  .nav-links { display: none; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-visual { min-height: 430px; }
  .dashboard-img { margin-inline: auto; }
  .problem-grid,
  .benefit-grid,
  .bonus-grid,
  .voice-grid,
  .price-grid,
  .faq-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .flow-line {
    grid-template-columns: repeat(3, 1fr);
    padding-right: 0;
    padding-bottom: 140px;
  }
  .future-kohaku {
    right: 50%;
    transform: translateX(50%);
  }
  .timeline {
    grid-template-columns: repeat(2, 1fr);
  }
  .day-card:not(:last-child)::after,
  .flow-item:not(:last-child)::after {
    display: none;
  }
  .final-panel {
    grid-template-columns: 120px 1fr;
  }
  .final-kohaku {
    position: absolute;
    right: 12px;
    bottom: 8px;
    width: 132px;
    opacity: 0.9;
  }
}

@media (max-width: 640px) {
  .container {
    width: min(100% - 28px, var(--container));
  }
  .site-header {
    position: static;
  }
  .nav {
    min-height: auto;
    padding: 12px 0;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
  }
  .brand {
    flex: 1 1 100%;
    font-size: 0.9rem;
  }
  .brand-mark {
    width: 22px;
    height: 22px;
  }
  .nav-cta {
    width: 100%;
    min-height: 38px;
    padding: 0 10px;
    font-size: 0.78rem;
    white-space: nowrap;
  }
  .hero {
    padding: 26px 0 42px;
  }
  h1 {
    font-size: clamp(2rem, 10vw, 3.05rem);
  }
  .lead {
    font-size: 0.95rem;
  }
  .hero-btn {
    width: 100%;
    min-height: 56px;
    font-size: 0.93rem;
  }
  .trust-badges,
  .problem-grid,
  .benefit-grid,
  .bonus-grid,
  .voice-grid,
  .price-grid,
  .faq-grid,
  .flow-line,
  .timeline {
    grid-template-columns: 1fr;
  }
  .hero-visual {
    min-height: 330px;
  }
  .pixel-hero {
    width: 84px;
    left: 4px;
    bottom: 62px;
  }
  .kohaku-hero {
    width: 112px;
    right: -2px;
    bottom: 12px;
  }
  .section {
    padding: 44px 0;
  }
  .future-panel {
    padding: 30px 18px 150px;
  }
  .future-kohaku {
    width: 118px;
  }
  .benefit-card {
    min-height: auto;
  }
  .day-card {
    min-height: auto;
    text-align: left;
    padding: 44px 18px 18px;
  }
  .day-card span {
    left: 18px;
    transform: none;
  }
  .voice-card {
    grid-template-columns: 64px 1fr;
  }
  .voice-card img {
    width: 64px;
    height: 64px;
  }
  .price-card img {
    width: 54px;
    bottom: 74px;
  }
  .final-panel {
    min-height: 300px;
    grid-template-columns: 1fr;
    padding: 28px 20px 116px;
    text-align: center;
  }
  .final-pixel {
    width: 88px;
    margin: 0 auto;
  }
  .final-kohaku {
    width: 118px;
    right: 14px;
    bottom: 8px;
  }
  .btn-light {
    width: 100%;
    min-width: 0;
    font-size: 0.9rem;
  }
}