:root {
  --green: #f04aa1;
  --green-dark: #c92f7f;
  --ink: #2c1b29;
  --deep: #40172f;
  --navy: #51203d;
  --text: #45263b;
  --muted: #806f7b;
  --gray: #fff3f8;
  --line: #f0d8e5;
  --accent: #ffb36b;
  --white: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--text);
  background: var(--white);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans JP", sans-serif;
  line-height: 1.85;
  letter-spacing: .02em;
}
img, picture { display: block; max-width: 100%; height: auto; }
picture img { width: 100%; }
a { color: inherit; text-decoration: none; }

.inner {
  width: min(1120px, calc(100% - 56px));
  margin: 0 auto;
}
.inner--narrow { width: min(820px, calc(100% - 56px)); }
.center { text-align: center; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 40;
  background: rgba(255, 255, 255, .96);
  border-bottom: 1px solid rgba(16, 43, 69, .08);
  backdrop-filter: blur(10px);
}
.site-header__inner {
  min-height: 86px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.logo-mark {
  display: inline-flex;
  align-items: center;
  color: var(--ink);
  font-size: 26px;
  font-weight: 950;
  letter-spacing: .03em;
}
.logo-mark::before {
  content: "";
  width: 14px;
  height: 14px;
  margin-right: 10px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 16px 0 0 var(--accent);
}
.site-header__logo img,
.site-footer__logo img {
  width: auto;
  height: 42px;
}
.site-header__actions {
  margin-left: auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 12px;
}
.site-header__cta {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 22px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  font-size: 15px;
  font-weight: 850;
}
.site-header__cta--outline {
  background: #ffffff;
  color: var(--green-dark);
  border: 1px solid var(--green);
}

.hero img, .hero picture { width: 100%; }
.section { padding: 84px 0; }
.section--compact { padding: 42px 0 68px; }
.section--gray { background: var(--gray); }
.section--navy, .final-cta {
  background: var(--deep);
  color: var(--white);
}
.lead-text {
  margin: 0 0 28px;
  color: #2b4052;
  font-size: 18px;
  font-weight: 520;
  line-height: 1.95;
}
.cta-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 58px;
  padding: 0 34px;
  border-radius: 999px;
  background: var(--green);
  color: var(--white);
  font-size: 17px;
  font-weight: 900;
  box-shadow: 0 18px 44px rgba(6, 199, 85, .22);
}
.cta-pill--final {
  background: var(--white);
  color: var(--deep);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 14px;
  font-size: 15px;
  font-weight: 850;
  letter-spacing: .05em;
}
.eyebrow::before {
  content: "";
  width: 24px;
  height: 3px;
  background: var(--green);
}
.eyebrow--light::before { background: var(--white); }
.section-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(38px, 4.4vw, 62px);
  line-height: 1.22;
  font-weight: 950;
  letter-spacing: .01em;
  -webkit-text-stroke: .25px currentColor;
}
.section-title--light { color: var(--white); }
.section-text {
  width: min(850px, 100%);
  margin: 24px 0 38px;
  color: #32495d;
  font-size: 18px;
  font-weight: 520;
  line-height: 1.95;
}
.section-text--light { color: rgba(255, 255, 255, .92); }
.note {
  margin: 18px 0 0;
  color: #53687a;
  font-size: 15px;
  font-weight: 520;
}

.grid {
  display: grid;
  gap: 20px;
}
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }
.grid--5 { grid-template-columns: repeat(5, 1fr); }
.visual-grid {
  display: grid;
  gap: 20px;
}
.visual-grid--3 { grid-template-columns: repeat(3, 1fr); }
.visual-grid img {
  width: 100%;
  border-radius: 4px;
  background: #f5f7f7;
}
.use-image-grid {
  align-items: stretch;
}
.use-image {
  width: 100%;
  height: auto;
  border-radius: 4px;
  background: var(--white);
  box-shadow: 0 12px 32px rgba(16, 43, 69, .08);
}
.cards { gap: 22px; }
.info-card,
.problem-card,
.benefit-card,
.scene-grid article,
.flow-grid article {
  min-height: 100%;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}
.info-card span,
.benefit-card span,
.flow-grid span {
  display: block;
  margin-bottom: 12px;
  color: var(--green-dark);
  font-size: 14px;
  font-weight: 950;
  letter-spacing: .08em;
}
.info-card h3,
.problem-card h3,
.benefit-card h3,
.scene-grid h3,
.flow-grid h3 {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 21px;
  line-height: 1.45;
  font-weight: 900;
}
.info-card p,
.problem-card p,
.benefit-card p,
.scene-grid p,
.flow-grid p {
  margin: 0;
  color: #53687a;
  font-size: 15px;
  line-height: 1.85;
}
.section--navy .scene-grid article {
  background: rgba(255, 255, 255, .08);
  border-color: rgba(255, 255, 255, .18);
}
.section--navy .scene-grid h3 { color: var(--white); }
.section--navy .scene-grid p { color: rgba(255, 255, 255, .82); }

.feature-visual {
  position: relative;
  min-height: 560px;
  color: var(--white);
  background: #3b4b4c;
}
.feature-visual__bg {
  position: absolute;
  inset: 0;
}
.feature-visual__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}
.feature-visual__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(13, 44, 52, .88) 0%, rgba(13, 44, 52, .62) 48%, rgba(13, 44, 52, .10) 100%);
}
.feature-visual__inner {
  position: relative;
  min-height: 560px;
  display: flex;
  align-items: center;
  padding: 56px 0;
}
.feature-visual__content { max-width: 660px; }
.feature-list {
  margin: 0;
  padding: 0 0 0 1.2em;
  font-size: 17px;
  font-weight: 750;
  line-height: 1.9;
}
.feature-list li + li { margin-top: 8px; }
.feature-box {
  margin-top: 24px;
  padding: 22px 24px;
  background: rgba(6, 199, 85, .92);
  color: var(--white);
  border-radius: 4px;
  max-width: 560px;
}
.feature-box strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  font-weight: 950;
  line-height: 1.5;
}
.feature-box p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.split {
  display: grid;
  grid-template-columns: 1fr 300px;
  gap: 42px;
  align-items: start;
}
.price-summary {
  padding: 28px;
  border-radius: 4px;
  background: var(--deep);
  color: var(--white);
}
.price-summary strong {
  display: block;
  font-size: 18px;
}
.price-summary span {
  display: block;
  margin: 10px 0 2px;
  font-size: 42px;
  line-height: 1;
  font-weight: 950;
}
.price-summary small {
  color: rgba(255, 255, 255, .8);
  font-weight: 700;
}
.price-layout {
  display: grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 20px;
}
.price-table,
.simulator {
  border: 1px solid var(--line);
  border-radius: 4px;
  background: var(--white);
}
.price-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 22px 24px;
  border-top: 1px solid var(--line);
}
.price-row:first-child { border-top: 0; }
.price-row p {
  margin: 0;
  color: var(--ink);
  font-size: 17px;
  font-weight: 850;
}
.price-row strong {
  color: var(--green-dark);
  font-size: clamp(25px, 3vw, 38px);
  font-weight: 950;
  white-space: nowrap;
}
.simulator {
  padding: 24px;
}
.simulator h3 {
  margin: 0 0 20px;
  color: var(--ink);
  font-size: 28px;
  line-height: 1.35;
  font-weight: 950;
}
.simulator label {
  display: block;
  margin-bottom: 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 850;
}
.range {
  width: 100%;
  accent-color: var(--green);
}
.sim-result {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 18px;
  padding: 18px;
  border-radius: 4px;
  background: var(--gray);
}
.sim-result div,
.sim-result strong {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  color: var(--ink);
  font-size: 34px;
  line-height: 1.15;
  font-weight: 950;
}
.sim-result small {
  color: var(--muted);
  font-size: 13px;
  font-weight: 850;
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 56px;
  row-gap: 0;
  margin-top: 32px;
}
.faq-item {
  padding: 24px 0;
  border-top: 1px solid #c9d8d2;
}
.faq-item:nth-last-child(-n+2) { border-bottom: 1px solid #c9d8d2; }
.faq-item h3 {
  position: relative;
  margin: 0 0 12px;
  padding-left: 28px;
  color: var(--ink);
  font-size: 19px;
  font-weight: 950;
  line-height: 1.7;
}
.faq-item h3::before {
  content: "Q";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: 950;
}
.faq-item p {
  margin: 0;
  color: #4c6176;
  font-size: 16px;
  font-weight: 520;
  line-height: 1.9;
}
.final-cta {
  padding: 76px 0 82px;
}
.final-cta__text {
  margin-left: auto;
  margin-right: auto;
}

.site-footer {
  background: var(--white);
  color: var(--ink);
  border-top: 1px solid rgba(16, 43, 69, .10);
}
.site-footer__inner {
  min-height: 112px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.site-footer__copy {
  margin: 0;
  color: #526577;
  font-size: 12px;
}
.line-fab {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 78px;
  height: 78px;
  border-radius: 999px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 950;
  box-shadow: 0 18px 55px rgba(17, 24, 39, .22);
}

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--5 { grid-template-columns: repeat(3, 1fr); }
  .split, .price-layout { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .inner, .inner--narrow { width: min(100% - 32px, 680px); }
  .site-header__inner { min-height: 72px; }
  .logo-mark { font-size: 21px; }
  .site-header__cta {
    min-height: 40px;
    padding: 0 14px;
    font-size: 12px;
  }
  .section { padding: 64px 0; }
  .section--compact { padding: 34px 0 54px; }
  .section-title { font-size: clamp(33px, 8.6vw, 46px); }
  .section-text, .lead-text { font-size: 16px; }
  .grid--3, .visual-grid--3, .faq-grid { grid-template-columns: 1fr; }
  .grid--5 { grid-template-columns: repeat(2, 1fr); }
  .sp-two-col-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-visual, .feature-visual__inner { min-height: auto; }
  .feature-visual__inner { padding: 42px 0; }
  .feature-visual__bg::after {
    background: linear-gradient(180deg, rgba(13, 44, 52, .88) 0%, rgba(13, 44, 52, .68) 54%, rgba(13, 44, 52, .22) 100%);
  }
  .faq-item:nth-last-child(-n+2) { border-bottom: none; }
  .faq-item:last-child { border-bottom: 1px solid #c9d8d2; }
  .site-footer__inner {
    min-height: 96px;
    flex-direction: column;
    justify-content: center;
    padding: 22px 0;
  }
}
@media (max-width: 520px) {
  .site-header__inner { gap: 12px; }
  .site-header__actions { gap: 8px; }
  .site-header__cta {
    font-size: 11px;
    padding: 0 11px;
  }
  .site-header__cta--outline { display: none; }
  .grid--4, .grid--5, .sp-one-col-grid { grid-template-columns: 1fr; }
  .stats-sp-grid, .sp-two-col-grid { grid-template-columns: repeat(2, 1fr); }
  .info-card,
  .problem-card,
  .benefit-card,
  .scene-grid article,
  .flow-grid article {
    padding: 18px;
  }
  .info-card h3,
  .problem-card h3,
  .benefit-card h3,
  .scene-grid h3,
  .flow-grid h3 {
    font-size: 18px;
  }
  .section-text { margin-bottom: 28px; }
  .price-row {
    align-items: flex-start;
    flex-direction: column;
    padding: 18px;
  }
  .sim-result div,
  .sim-result strong {
    font-size: 27px;
  }
  .line-fab {
    right: 12px;
    bottom: 12px;
    width: 72px;
    height: 72px;
  }
}