:root {
  --blue: #0868f7;
  --blue-dark: #0446d8;
  --cyan: #0ad3e8;
  --navy: #071a46;
  --navy-2: #0b2556;
  --ink: #102044;
  --muted: #64718c;
  --pale: #eef7ff;
  --line: #dce9f6;
  --green: #16c98d;
  --white: #fff;
  --shadow: 0 20px 60px rgba(22, 67, 126, .12);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: #fff;
  font-family: "Noto Sans JP", "Yu Gothic", "Hiragino Kaku Gothic ProN", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
svg { fill: none; stroke: currentColor; stroke-linecap: round; stroke-linejoin: round; stroke-width: 1.8; }

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 50%;
  width: min(1180px, calc(100% - 48px));
  height: 90px;
  display: flex;
  align-items: center;
  transform: translateX(-50%);
  border-bottom: 1px solid rgba(30, 80, 145, .12);
}
.header-logo img { width: 174px; mix-blend-mode: multiply; }
.header-nav { display: flex; gap: 34px; margin-left: auto; margin-right: 32px; }
.header-nav a { color: #32496e; font-size: 16px; font-weight: 700; letter-spacing: .04em; }
.header-nav a:hover { color: var(--blue); }

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 18px;
  border-radius: 999px;
  font-weight: 800;
  letter-spacing: .02em;
  transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-small {
  min-width: 128px;
  min-height: 44px;
  padding: 0 22px;
  color: #fff;
  background: linear-gradient(110deg, var(--blue-dark), #0798ff);
  box-shadow: 0 8px 20px rgba(8, 104, 247, .22);
  font-size: 16px;
}
.button-primary {
  color: #fff;
  background: linear-gradient(110deg, #0553ed, #08a8f7);
  box-shadow: 0 16px 36px rgba(5, 99, 239, .28);
}
.button-primary:hover { box-shadow: 0 20px 44px rgba(5, 99, 239, .38); }
.button svg { width: 22px; stroke-width: 2.5; }

.hero {
  position: relative;
  min-height: 920px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 130px 24px 100px;
  background:
    radial-gradient(circle at 18% 18%, rgba(0, 195, 255, .1), transparent 28%),
    radial-gradient(circle at 85% 26%, rgba(0, 109, 255, .11), transparent 30%),
    linear-gradient(145deg, #fff 18%, #f5fbff 62%, #eaf7ff);
}
.hero::before {
  content: "";
  position: absolute;
  inset: auto -10% -220px;
  height: 390px;
  background: #fff;
  border-radius: 50% 50% 0 0;
}
.chart-grid {
  position: absolute;
  inset: 90px 0 0;
  opacity: .32;
  background-image:
    linear-gradient(rgba(36, 129, 229, .08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(36, 129, 229, .08) 1px, transparent 1px);
  background-size: 68px 68px;
  mask-image: linear-gradient(to bottom, transparent, #000 30%, transparent 85%);
}
.hero-chart { position: absolute; left: 0; bottom: 165px; width: 100%; height: 330px; stroke-width: 3; }
.chart-line { stroke: url(#chartLine); }
.chart-area { fill: url(#chartArea); stroke: none; }
.hero-content { position: relative; z-index: 2; width: min(100%, 980px); text-align: center; }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 19px;
  color: var(--blue);
  font-size: 16px;
  font-weight: 800;
  letter-spacing: .16em;
}
.eyebrow span { width: 34px; height: 2px; background: var(--cyan); }
.hero-logo { width: min(610px, 84vw); margin: 0 auto 20px; mix-blend-mode: multiply; }
.hero h1 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(36px, 5vw, 68px);
  line-height: 1.28;
  letter-spacing: -.055em;
}
.hero h1 span {
  display: block;
  margin-bottom: 10px;
  color: #19447d;
  font-size: .48em;
  letter-spacing: .04em;
}
.hero-lead {
  margin: 25px 0 30px;
  color: #61718d;
  font-size: 20px;
  line-height: 2;
}
.hero-lead strong { display: block; color: #263b61; font-size: 22px; }
.hero-lead i { padding: 0 6px; color: var(--blue); font-style: normal; }
.button-hero { min-width: 390px; min-height: 72px; padding: 0 36px; font-size: 20px; }
.hero-notes { display: flex; justify-content: center; gap: 0; margin-top: 28px; color: #62718c; font-size: 15px; }
.hero-notes span { padding: 0 20px; border-right: 1px solid #cbddec; }
.hero-notes span:last-child { border: 0; }
.hero-notes b { margin-right: 5px; color: var(--blue); }
.scroll-cue {
  position: absolute;
  z-index: 3;
  bottom: 28px;
  left: 50%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateX(-50%);
  color: #7190b5;
  font-size: 12px;
  letter-spacing: .24em;
}
.scroll-cue i { width: 1px; height: 35px; background: linear-gradient(var(--blue), transparent); }

.section { padding: 110px 24px; }
.section-inner { width: min(1160px, 100%); margin: 0 auto; }
.section-inner.narrow { width: min(1040px, 100%); }
.section-kicker {
  margin: 0 0 14px;
  color: var(--blue);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: .28em;
  text-align: center;
}
.section-kicker::before, .section-kicker::after {
  content: "";
  display: inline-block;
  width: 22px;
  height: 1px;
  margin: 0 11px 4px;
  background: currentColor;
}
.section h2 {
  margin: 0;
  color: var(--navy);
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.35;
  letter-spacing: -.04em;
  text-align: center;
}
.section-intro {
  max-width: 680px;
  margin: 18px auto 54px;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
  text-align: center;
}
.features-intro { max-width: none; white-space: nowrap; }

.problem-section { background: #fff; }
.problem-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }
.problem-card {
  position: relative;
  min-height: 130px;
  overflow: hidden;
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 26px 32px;
  border: 1px solid #e1edf8;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 35px rgba(14, 69, 130, .06);
}
.problem-number {
  position: absolute;
  top: -9px;
  right: 13px;
  color: #edf5fc;
  font-size: 58px;
  font-weight: 900;
  letter-spacing: -.08em;
}
.problem-icon {
  flex: 0 0 60px;
  display: grid;
  width: 60px;
  height: 60px;
  place-items: center;
  border-radius: 50%;
  color: var(--blue);
  background: #edf7ff;
}
.problem-icon svg { width: 29px; }
.problem-card p { position: relative; margin: 0; color: #60708a; font-size: 17px; line-height: 1.8; }
.problem-card strong { display: block; color: var(--ink); font-size: 19px; }
.solution-line { display: flex; justify-content: center; align-items: center; gap: 13px; margin-top: 55px; font-size: 22px; font-weight: 700; }
.solution-line strong { color: var(--blue); font-size: 28px; font-style: italic; }

.features-section {
  position: relative;
  overflow: hidden;
  background: linear-gradient(180deg, #f2f9ff, #eaf6ff);
}
.features-section::before, .features-section::after {
  content: "";
  position: absolute;
  width: 400px;
  height: 400px;
  border: 1px solid rgba(39, 147, 239, .12);
  border-radius: 50%;
}
.features-section::before { top: -280px; left: -120px; }
.features-section::after { right: -170px; bottom: -300px; }
.feature-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.feature-card {
  position: relative;
  min-height: 350px;
  overflow: hidden;
  padding: 36px 27px 30px;
  border: 1px solid rgba(194, 220, 243, .8);
  border-radius: 16px;
  background: rgba(255,255,255,.9);
  box-shadow: var(--shadow);
}
.feature-index { position: absolute; top: 18px; right: 20px; color: #d8eaff; font-size: 34px; font-weight: 900; }
.feature-icon {
  display: grid;
  width: 70px;
  height: 70px;
  margin-bottom: 28px;
  place-items: center;
  border-radius: 20px;
  color: #fff;
  background: linear-gradient(140deg, #0753eb, #18c7f5);
  box-shadow: 0 12px 25px rgba(9, 105, 234, .25);
}
.feature-icon.green { background: linear-gradient(140deg, #08a76f, #23df9f); box-shadow: 0 12px 25px rgba(13, 181, 124, .22); }
.feature-icon svg { width: 33px; }
.feature-card h3 { margin: 0 0 16px; color: var(--navy); font-size: 20px; line-height: 1.55; }
.feature-card h3 em { display: block; color: var(--blue); font-size: 28px; font-style: normal; }
.feature-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.85; }

.results-section {
  position: relative;
  overflow: hidden;
  color: #fff;
  background:
    radial-gradient(circle at 85% 12%, rgba(12, 160, 255, .17), transparent 25%),
    linear-gradient(150deg, #061632, #081f4d 62%, #062b62);
}
.results-section::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .12;
  background-image:
    linear-gradient(rgba(255,255,255,.13) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.13) 1px, transparent 1px);
  background-size: 70px 70px;
  mask-image: linear-gradient(to bottom, #000, transparent 85%);
}
.results-section .section-inner { position: relative; z-index: 1; }
.section-kicker.light { color: var(--cyan); }
.results-section h2 { color: #fff; }
.section-intro.light { color: #a8bad8; }
.backtest-panel {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  min-height: 390px;
  overflow: hidden;
  border: 1px solid rgba(110, 178, 255, .18);
  border-radius: 20px;
  background: rgba(4, 24, 60, .58);
  box-shadow: 0 30px 80px rgba(0,0,0,.25);
}
.backtest-copy { display: flex; flex-direction: column; justify-content: center; padding: 48px; }
.mini-label { color: #6e98d3; font-size: 13px; font-weight: 800; letter-spacing: .25em; }
.backtest-copy h3 { display: flex; align-items: flex-end; gap: 12px; margin: 8px 0 15px; }
.backtest-copy h3 strong {
  color: transparent;
  background: linear-gradient(135deg, #fff, #44dcff);
  -webkit-background-clip: text;
  background-clip: text;
  font-size: clamp(70px, 9vw, 112px);
  line-height: 1;
  letter-spacing: -.08em;
}
.backtest-copy h3 span { padding-bottom: 12px; color: #3fc9f5; font-size: 18px; font-weight: 800; letter-spacing: .18em; }
.backtest-copy p { margin: 0; color: #a9bddd; font-size: 17px; line-height: 1.9; }
.backtest-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 22px; }
.backtest-tags span { padding: 7px 11px; border: 1px solid rgba(72, 177, 240, .25); border-radius: 6px; color: #7ed6f7; font-size: 13px; }
.backtest-visual { position: relative; overflow: hidden; display: flex; align-items: flex-end; padding: 50px 35px 30px; background: linear-gradient(145deg, rgba(8, 53, 112, .45), rgba(7, 30, 71, .1)); }
.backtest-visual::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: .18;
  background-image:
    linear-gradient(rgba(95, 180, 255, .24) 1px, transparent 1px),
    linear-gradient(90deg, rgba(95, 180, 255, .24) 1px, transparent 1px);
  background-size: 50px 50px;
}
.backtest-visual svg { position: relative; z-index: 1; width: 100%; height: 230px; }
.result-line { fill: none; stroke: #35d2ff; stroke-width: 3; filter: drop-shadow(0 0 7px rgba(53, 210, 255, .5)); }
.result-area { fill: url(#resultArea); stroke: none; }
.chart-stat { position: absolute; z-index: 2; top: 28px; right: 30px; text-align: right; }
.chart-stat small { display: block; color: #7198cb; font-size: 13px; letter-spacing: .12em; }
.chart-stat b { color: #fff; font-size: 20px; }
.timeline { position: absolute; z-index: 2; right: 32px; bottom: 24px; left: 32px; display: flex; align-items: center; color: #7395c6; font-size: 11px; font-weight: 800; letter-spacing: .13em; }
.timeline i { flex: 1; height: 1px; margin: 0 11px; background: #27558a; }
.evidence-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; margin-top: 18px; }
.evidence-card { overflow: hidden; margin: 0; border: 1px solid rgba(110, 178, 255, .16); border-radius: 17px; background: rgba(5, 26, 64, .76); }
.evidence-wide { grid-column: 1 / -1; }
.image-wrap { height: 290px; overflow: hidden; background: #0b1730; }
.evidence-wide .image-wrap { height: 450px; }
.image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.image-wrap.image-contain img { object-fit: contain; }
.image-wrap.dark { background: #262c36; }
.evidence-card figcaption { position: relative; display: flex; flex-direction: column; padding: 23px 25px 25px; }
.evidence-card figcaption span { margin-bottom: 7px; color: #45caef; font-size: 12px; font-weight: 900; letter-spacing: .18em; }
.evidence-card figcaption strong { font-size: 20px; }
.evidence-card figcaption small { margin-top: 7px; color: #8299bd; font-size: 14px; }
.evidence-gallery-block { margin-top: 75px; }
.gallery-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 35px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid rgba(99, 164, 231, .2);
}
.gallery-heading span {
  display: block;
  margin-bottom: 8px;
  color: #3ed0f6;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .18em;
}
.gallery-heading h3 { margin: 0; color: #fff; font-size: 28px; }
.gallery-heading p {
  max-width: 430px;
  margin: 0;
  color: #8ea5c8;
  font-size: 14px;
  line-height: 1.8;
  text-align: right;
}
.evidence-gallery { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.gallery-card {
  overflow: hidden;
  border: 1px solid rgba(110, 178, 255, .16);
  border-radius: 16px;
  background: rgba(5, 26, 64, .76);
  transition: transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.gallery-card:hover {
  transform: translateY(-3px);
  border-color: rgba(68, 204, 246, .5);
  box-shadow: 0 18px 45px rgba(0, 0, 0, .2);
}
.gallery-image {
  position: relative;
  height: 330px;
  overflow: hidden;
  display: grid;
  place-items: center;
  padding: 16px;
  background: #111b2c;
}
.gallery-image.dark { background: #252b34; }
.gallery-image.voice { height: 270px; background: #eef2f6; }
.gallery-image img { width: 100%; height: 100%; object-fit: contain; }
.zoom-label {
  position: absolute;
  right: 13px;
  bottom: 13px;
  padding: 7px 11px;
  border: 1px solid rgba(255, 255, 255, .25);
  border-radius: 999px;
  color: #fff;
  background: rgba(4, 18, 43, .78);
  font-size: 11px;
  font-weight: 700;
  backdrop-filter: blur(5px);
}
.gallery-card > strong {
  display: block;
  padding: 17px 20px 19px;
  color: #dce9fa;
  font-size: 15px;
}
.result-note { margin: 30px 0 0; color: #7e95b8; font-size: 13px; line-height: 1.7; text-align: center; }

.contents-section { background: #f4faff; }
.delivery-flow {
  display: grid;
  grid-template-columns: 1fr auto 1fr auto 1fr;
  align-items: center;
  gap: 14px;
  margin-bottom: 24px;
}
.delivery-step {
  min-height: 285px;
  padding: 30px 24px;
  border: 1px solid #d7e8f6;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 15px 40px rgba(20, 73, 130, .08);
  text-align: center;
}
.delivery-step > span {
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .16em;
}
.delivery-icon {
  display: grid;
  width: 64px;
  height: 64px;
  margin: 20px auto;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(140deg, #0753eb, #18c7f5);
  box-shadow: 0 12px 24px rgba(5, 91, 231, .22);
}
.delivery-icon.line { background: var(--green); box-shadow: 0 12px 24px rgba(17, 192, 133, .22); }
.delivery-icon svg { width: 29px; }
.delivery-step h3 { margin: 0 0 13px; color: var(--navy); font-size: 18px; }
.delivery-step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.8; }
.delivery-step p strong { color: var(--ink); }
.delivery-arrow { color: #81aee0; font-size: 25px; font-style: normal; font-weight: 300; }
.delivery-notice {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 90px;
  padding: 18px 22px;
  border: 1px solid #f0dfad;
  border-radius: 10px;
  color: #785e21;
  background: #fffaf0;
  font-size: 15px;
  line-height: 1.7;
}
.delivery-notice strong { flex: 0 0 auto; color: #a2740c; }
.package-kicker { margin-top: 0; }
.package-heading { font-size: clamp(28px, 3.5vw, 40px) !important; }
.package-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.package-card {
  position: relative;
  min-height: 340px;
  overflow: hidden;
  padding: 38px 30px;
  border: 1px solid #dbeaf7;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 15px 40px rgba(20, 73, 130, .08);
  text-align: center;
}
.package-num { position: absolute; top: 15px; left: 18px; color: #dbeeff; font-size: 44px; font-weight: 900; letter-spacing: -.08em; }
.package-icon {
  position: relative;
  display: grid;
  width: 74px;
  height: 74px;
  margin: 15px auto 27px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: var(--blue);
  box-shadow: 0 12px 24px rgba(5, 91, 231, .24);
}
.package-icon.navy { background: var(--navy); }
.package-icon.line { background: var(--green); box-shadow: 0 12px 24px rgba(17, 192, 133, .22); }
.package-icon svg { width: 35px; }
.package-card h3 { margin: 0 0 14px; color: var(--navy); font-size: 19px; line-height: 1.6; }
.package-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.8; }

.message-section {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(circle at 90% 10%, rgba(26, 169, 255, .14), transparent 25%),
    linear-gradient(145deg, #061632, #082554);
}
.message-section::before {
  content: "";
  position: absolute;
  top: -180px;
  left: -120px;
  width: 420px;
  height: 420px;
  border: 1px solid rgba(75, 179, 255, .12);
  border-radius: 50%;
}
.message-section .section-inner { position: relative; z-index: 1; }
.message-section h2 { color: #fff; }
.message-card {
  position: relative;
  overflow: hidden;
  padding: 58px 64px 44px;
  border: 1px solid rgba(126, 193, 255, .18);
  border-radius: 20px;
  background: rgba(4, 21, 52, .72);
  box-shadow: 0 30px 80px rgba(0, 0, 0, .22);
}
.message-card::before {
  content: "“";
  position: absolute;
  top: -52px;
  right: 35px;
  color: rgba(49, 181, 255, .09);
  font-family: Georgia, serif;
  font-size: 220px;
  line-height: 1;
}
.message-heading {
  position: relative;
  margin-bottom: 38px;
  padding-bottom: 33px;
  border-bottom: 1px solid rgba(132, 183, 235, .17);
}
.message-heading span {
  display: block;
  margin-bottom: 12px;
  color: #3ed0f6;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: .23em;
}
.message-heading strong {
  color: #fff;
  font-size: clamp(25px, 3.4vw, 39px);
  line-height: 1.55;
  letter-spacing: -.035em;
}
.message-body {
  column-count: 2;
  column-gap: 48px;
}
.message-body p {
  break-inside: avoid;
  margin: 0 0 22px;
  color: #b4c5df;
  font-size: 16px;
  line-height: 2.05;
}
.message-body strong { color: #fff; font-weight: 800; }
.message-sign {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 16px;
  margin-top: 18px;
  padding-top: 25px;
  border-top: 1px solid rgba(132, 183, 235, .17);
  color: #7894bd;
  font-size: 13px;
}
.message-sign img { width: 155px; border-radius: 3px; }
.message-disclaimer {
  max-width: 850px;
  margin: 20px auto 0;
  color: #7189ac;
  font-size: 12px;
  line-height: 1.8;
  text-align: center;
}

.faq-section { background: #fff; }
.faq-list { display: grid; gap: 13px; }
.faq-item {
  overflow: hidden;
  border: 1px solid #dce9f5;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 10px 32px rgba(21, 71, 127, .06);
}
.faq-item summary {
  display: grid;
  grid-template-columns: 42px 1fr 22px;
  align-items: center;
  gap: 15px;
  min-height: 82px;
  padding: 18px 24px;
  cursor: pointer;
  list-style: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(140deg, #0753eb, #18c7f5);
  font-family: Arial, sans-serif;
  font-size: 17px;
  font-weight: 900;
}
.faq-item summary strong { color: var(--navy); font-size: 18px; line-height: 1.6; }
.faq-item summary i {
  position: relative;
  width: 20px;
  height: 20px;
}
.faq-item summary i::before,
.faq-item summary i::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 2px;
  border-radius: 2px;
  background: var(--blue);
  transform: translate(-50%, -50%);
  transition: transform .2s ease;
}
.faq-item summary i::after { transform: translate(-50%, -50%) rotate(90deg); }
.faq-item[open] summary i::after { transform: translate(-50%, -50%) rotate(0); }
.faq-item[open] summary { background: #f6fbff; }
.faq-answer {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 15px;
  padding: 22px 24px 25px;
  border-top: 1px solid #e5eef7;
  background: #fbfdff;
}
.faq-answer .faq-mark { color: var(--blue); background: #e7f4ff; }
.faq-answer p { margin: 5px 0 0; color: #5e6e88; font-size: 16px; line-height: 1.9; }

.requirements-section { background: #edf7ff; }
.requirements-card {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  overflow: hidden;
  border: 1px solid #d2e5f5;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 18px 50px rgba(20, 73, 130, .1);
}
.requirement-item {
  min-height: 230px;
  padding: 30px 18px;
  border-right: 1px solid #e1edf7;
  text-align: center;
}
.requirement-item:last-child { border-right: 0; }
.requirement-icon {
  display: grid;
  width: 58px;
  height: 58px;
  margin: 0 auto 21px;
  place-items: center;
  border-radius: 17px;
  color: #fff;
  background: linear-gradient(140deg, #0753eb, #18c7f5);
  box-shadow: 0 10px 22px rgba(5, 91, 231, .2);
}
.requirement-icon svg { width: 28px; }
.requirement-item > span {
  display: block;
  margin-bottom: 10px;
  color: var(--blue);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: .12em;
}
.requirement-item strong { color: var(--navy); font-size: 18px; line-height: 1.65; }
.requirement-item small { color: #6d7d96; font-size: 14px; font-weight: 500; }

.price-section { position: relative; overflow: hidden; padding-top: 145px; background: linear-gradient(180deg, #edf8ff, #fff); }
.price-wave {
  position: absolute;
  top: -260px;
  left: -5%;
  width: 110%;
  height: 390px;
  border-radius: 0 0 50% 50%;
  background: #fff;
}
.price-card {
  position: relative;
  max-width: 660px;
  margin: 50px auto 0;
  padding: 48px 54px 44px;
  border: 1px solid #cfe4f6;
  border-radius: 22px;
  background: #fff;
  box-shadow: 0 26px 70px rgba(19, 79, 145, .16);
  text-align: center;
}
.price-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  left: 0;
  height: 5px;
  border-radius: 22px 22px 0 0;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}
.price-badge {
  position: absolute;
  top: -16px;
  left: 50%;
  padding: 8px 22px;
  transform: translateX(-50%);
  border-radius: 999px;
  color: #fff;
  background: var(--navy);
  font-size: 14px;
  font-weight: 800;
}
.price-card > img { width: 250px; margin: 0 auto 17px; mix-blend-mode: multiply; }
.price-label { margin: 0; color: #657591; font-size: 16px; }
.price { display: flex; align-items: flex-end; justify-content: center; margin: 12px 0 25px; color: var(--navy); }
.price small { margin: 0 9px 15px 0; font-size: 14px; }
.price strong { font-size: 72px; line-height: 1; letter-spacing: -.07em; }
.price span { margin: 0 0 8px 6px; font-size: 20px; font-weight: 900; }
.included-list { display: flex; justify-content: center; gap: 19px; margin-bottom: 28px; color: #52627e; font-size: 14px; }
.included-list i { color: var(--blue); font-style: normal; font-weight: 900; }
.button-price { width: 100%; min-height: 70px; font-size: 20px; }
.payment-note { margin: 14px 0 0; color: #8491a7; font-size: 13px; }

.site-footer { padding: 70px 24px 30px; color: #94a7c6; background: #061735; }
.footer-inner { width: min(1100px, 100%); margin: 0 auto; }
.footer-inner > img { width: 190px; margin-bottom: 34px; border-radius: 4px; }
.footer-copy { padding: 25px 28px; border: 1px solid rgba(129, 163, 211, .14); border-radius: 10px; background: rgba(255,255,255,.025); }
.footer-copy h2 { margin: 0 0 12px; color: #d3def0; font-size: 16px; }
.footer-copy p { margin: 0; font-size: 13px; line-height: 1.9; }
.footer-links { display: flex; gap: 30px; margin-top: 28px; font-size: 14px; }
.footer-links a:hover { color: #fff; }
.copyright { margin: 50px 0 0; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.08); font-size: 12px; text-align: center; }
.mobile-cta { display: none; }

.reveal { opacity: 1; transform: none; transition: opacity .65s ease, transform .65s ease; }
.reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 900px) {
  .header-nav { display: none; }
  .site-header { width: calc(100% - 32px); }
  .site-header .button-small { margin-left: auto; }
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .feature-card { min-height: 320px; }
  .backtest-panel { grid-template-columns: 1fr; }
  .backtest-copy { padding: 40px; }
  .backtest-visual { min-height: 320px; }
  .evidence-wide .image-wrap { height: 360px; }
}

@media (max-width: 640px) {
  body { padding-bottom: 68px; }
  .site-header { height: 70px; }
  .header-logo img { width: 140px; }
  .site-header .button-small { display: none; }
  .hero { min-height: 790px; padding: 110px 19px 90px; }
  .hero-logo { width: 92vw; margin-bottom: 17px; }
  .eyebrow { font-size: 12px; letter-spacing: .12em; }
  .hero h1 { font-size: 34px; line-height: 1.33; }
  .hero h1 span { font-size: .46em; line-height: 1.65; }
  .hero-lead { margin: 20px 0 25px; font-size: 16px; line-height: 1.8; }
  .hero-lead strong { font-size: 17px; }
  .button-hero { width: 100%; min-width: 0; min-height: 64px; padding: 0 22px; font-size: 18px; }
  .hero-notes { flex-wrap: wrap; gap: 7px 0; }
  .hero-notes span { padding: 0 10px; font-size: 12px; }
  .section { padding: 82px 18px; }
  .section h2 { font-size: 29px; }
  .section-intro { margin-bottom: 38px; font-size: 16px; }
  .features-intro { white-space: normal; }
  .problem-list, .feature-grid, .package-grid, .evidence-grid, .delivery-flow { grid-template-columns: 1fr; }
  .problem-card { min-height: 112px; padding: 22px 20px; gap: 17px; }
  .problem-icon { flex-basis: 52px; width: 52px; height: 52px; }
  .problem-card p { font-size: 15px; }
  .problem-card strong { font-size: 17px; }
  .solution-line { flex-wrap: wrap; gap: 4px 8px; margin-top: 38px; font-size: 18px; text-align: center; }
  .solution-line strong { font-size: 23px; }
  .feature-card { min-height: 0; padding: 29px 25px; }
  .feature-icon { width: 60px; height: 60px; margin-bottom: 22px; }
  .feature-card h3 em { display: inline; margin-right: 4px; font-size: 23px; }
  .backtest-copy { padding: 32px 25px; }
  .backtest-copy h3 strong { font-size: 82px; }
  .backtest-visual { min-height: 270px; padding: 30px 18px 25px; }
  .backtest-visual svg { height: 200px; }
  .evidence-wide { grid-column: auto; }
  .evidence-wide .image-wrap, .image-wrap { height: 230px; }
  .evidence-wide .image-wrap img { object-position: 65% center; }
  .evidence-gallery-block { margin-top: 58px; }
  .gallery-heading { align-items: flex-start; flex-direction: column; gap: 12px; }
  .gallery-heading h3 { font-size: 24px; }
  .gallery-heading p { font-size: 13px; text-align: left; }
  .evidence-gallery { grid-template-columns: 1fr; }
  .gallery-image { height: 280px; }
  .gallery-image.voice { height: 245px; }
  .gallery-card > strong { font-size: 14px; }
  .package-card { min-height: 0; padding: 34px 25px; }
  .delivery-step { min-height: 0; padding: 28px 22px; }
  .delivery-arrow { transform: rotate(90deg); text-align: center; }
  .delivery-notice { flex-direction: column; align-items: flex-start; gap: 5px; margin-bottom: 70px; }
  .message-card { padding: 38px 22px 28px; }
  .message-heading { margin-bottom: 28px; padding-bottom: 25px; }
  .message-heading strong { font-size: 24px; }
  .message-body { column-count: 1; }
  .message-body p { margin-bottom: 18px; font-size: 15px; line-height: 1.95; }
  .message-sign { flex-direction: column; align-items: flex-end; gap: 8px; }
  .message-sign img { width: 140px; }
  .faq-item summary { grid-template-columns: 36px 1fr 18px; gap: 11px; min-height: 74px; padding: 15px 14px; }
  .faq-mark { width: 36px; height: 36px; font-size: 15px; }
  .faq-item summary strong { font-size: 16px; }
  .faq-answer { grid-template-columns: 36px 1fr; gap: 11px; padding: 18px 14px 20px; }
  .faq-answer p { margin-top: 2px; font-size: 15px; }
  .requirements-card { grid-template-columns: 1fr; }
  .requirement-item {
    display: grid;
    grid-template-columns: 54px 72px 1fr;
    align-items: center;
    gap: 13px;
    min-height: 0;
    padding: 17px 18px;
    border-right: 0;
    border-bottom: 1px solid #e1edf7;
    text-align: left;
  }
  .requirement-item:last-child { border-bottom: 0; }
  .requirement-icon { width: 50px; height: 50px; margin: 0; border-radius: 14px; }
  .requirement-icon svg { width: 24px; }
  .requirement-item > span { margin: 0; font-size: 12px; }
  .requirement-item strong { font-size: 16px; }
  .price-section { padding-top: 105px; }
  .price-card { padding: 44px 19px 34px; }
  .price-card > img { width: 210px; }
  .price strong { font-size: 56px; }
  .included-list { flex-direction: column; gap: 8px; }
  .button-price { min-height: 64px; font-size: 18px; }
  .footer-links { flex-direction: column; gap: 14px; }
  .mobile-cta {
    position: fixed;
    z-index: 50;
    right: 0;
    bottom: 0;
    left: 0;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 9px 13px;
    border-top: 1px solid #d4e5f2;
    background: rgba(255,255,255,.96);
    box-shadow: 0 -8px 25px rgba(15, 53, 99, .12);
    backdrop-filter: blur(8px);
  }
  .mobile-cta div { flex: 1; }
  .mobile-cta small { display: block; color: #78869c; font-size: 11px; }
  .mobile-cta strong { color: var(--navy); font-size: 17px; }
  .mobile-cta .button { min-width: 145px; min-height: 48px; font-size: 16px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
  .reveal { opacity: 1; transform: none; }
}