:root {
  --red: #c32635;
  --red-dark: #982432;
  --teal: #39aeb0;
  --teal-dark: #0c8589;
  --blue: #005bac;
  --blue-dark: #003f7d;
  --ink: #14324a;
  --muted: #4f6878;
  --line: #d9eeee;
  --pale: #e7f4f4;
  --white: #fff;
  --container: min(1180px, calc(100vw - 48px));
  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;
  --latin: Inter, Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  font-family: var(--font);
  line-height: 1.85;
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { margin: 0; line-height: 1.32; letter-spacing: .02em; }
p { margin: 0 0 1.2rem; }
ul { margin: 0; padding: 0; list-style: none; }

.container {
  width: var(--container);
  margin: 0 auto;
}
.site-header {
  position: fixed;
  inset: 0 0 auto;
  z-index: 10;
  height: 82px;
  display: flex;
  align-items: center;
  gap: 34px;
  padding: 0 max(24px, calc((100vw - 1180px) / 2));
  background: rgba(255,255,255,.94);
  border-bottom: 1px solid rgba(217,238,238,.74);
  backdrop-filter: blur(14px);
}
.brand { width: min(192px, 38vw); margin-right: auto; }
.nav {
  display: flex;
  align-items: center;
  gap: 24px;
  color: var(--blue-dark);
  font-size: .9rem;
  font-weight: 700;
}
.nav-cta {
  min-height: 42px;
  display: inline-flex;
  align-items: center;
  padding: 0 20px;
  color: #fff;
  background: var(--blue);
  border-radius: 6px;
}
.kicker {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  margin: 0 0 18px;
  color: var(--teal-dark);
  font-family: var(--latin);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .22em;
  text-transform: uppercase;
}
.kicker::before {
  content: "";
  width: 34px;
  height: 3px;
  background: var(--red);
}
.hero {
  position: relative;
  min-height: min(860px, 100svh);
  padding: 148px 0 96px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.94) 35%, rgba(255,255,255,.72) 52%, rgba(255,255,255,.08) 78%),
    url("assets/images/generated-meeting.png") right center / min(74vw, 1180px) auto no-repeat,
    linear-gradient(135deg, #fff 0%, #eefafa 100%);
}
.hero::before {
  content: "";
  position: absolute;
  left: 0;
  top: 82px;
  width: min(34vw, 420px);
  height: 9px;
  background: var(--red);
}
.hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(90deg, var(--blue), var(--teal));
}
.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 12% 82%, rgba(0,91,172,.08), transparent 28%),
    linear-gradient(120deg, rgba(195,38,53,.05), transparent 35%);
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: block;
}
.hero-copy {
  max-width: 680px;
  padding: clamp(28px, 4vw, 46px) 0;
}
.hero h1 {
  color: var(--blue-dark);
  font-size: clamp(2.5rem, 4.4vw, 4.2rem);
  margin-bottom: 24px;
}
.lead {
  max-width: 600px;
  color: #38566b;
  font-size: clamp(1rem, 1.35vw, 1.12rem);
  line-height: 2;
  margin-bottom: 32px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.button,
.secondary {
  display: inline-flex;
  min-height: 56px;
  align-items: center;
  justify-content: center;
  padding: 0 30px;
  border-radius: 6px;
  font-size: .95rem;
  font-weight: 800;
}
.button {
  color: #fff;
  background: var(--blue);
  box-shadow: 0 14px 28px rgba(0, 91, 172, .2);
}
.secondary {
  color: var(--blue-dark);
  background: #fff;
  border: 2px solid #c8e7e8;
}
.stat-band { position: relative; z-index: 2; margin-top: -42px; }
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: #fff;
  box-shadow: 0 22px 46px rgba(0,63,125,.09);
}
.stat {
  min-height: 130px;
  padding: 27px 24px;
  border-left: 1px solid var(--line);
}
.stat:first-child { border-left: 0; }
.stat strong {
  display: block;
  color: var(--blue);
  font-size: clamp(1.7rem, 2.6vw, 2.35rem);
  line-height: 1.15;
  margin-bottom: 10px;
}
.stat span { color: #516d7d; font-size: .86rem; }
.note { margin-top: 14px; color: #78909d; font-size: .78rem; }
.section { padding: clamp(76px, 9vw, 120px) 0; }
.soft { background: linear-gradient(180deg, #fff 0%, #f5fbfb 100%); }
.two-column {
  display: grid;
  grid-template-columns: .92fr 1.08fr;
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}
.section-copy h2,
.heading h2,
.ecosystem h2,
.actions-copy h2,
.fit h2,
.final-inner h2,
.faq-section h2 {
  color: var(--blue-dark);
  font-size: clamp(2rem, 3.6vw, 3.05rem);
  margin-bottom: 22px;
}
.section-copy p,
.heading p,
.ecosystem p,
.actions-copy p { color: var(--muted); line-height: 2; }
.heading { max-width: 760px; margin-bottom: clamp(34px, 5vw, 58px); }
.image-card {
  position: relative;
  min-height: 360px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, #ecf8f8, #fff);
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}
.image-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 28%;
  height: 100%;
  background: var(--red);
  clip-path: polygon(0 0, 84% 0, 44% 100%, 0 100%);
}
.image-card img { position: relative; width: min(300px, 58%); }
.benefit-grid,
.action-grid,
.case-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}
.benefit-grid article,
.action-grid article,
.case-grid article,
.steps article {
  border-radius: 8px;
  background: #fff;
}
.benefit-grid article {
  min-height: 250px;
  padding: 30px 24px;
  border: 1px solid var(--line);
  border-top: 6px solid var(--teal);
}
.benefit-grid article:nth-child(2n) { border-top-color: var(--red); }
article h3 {
  color: var(--blue-dark);
  font-size: 1.16rem;
  margin-bottom: 14px;
}
article p { color: #557181; font-size: .93rem; line-height: 1.85; margin: 0; }
.ecosystem {
  display: grid;
  grid-template-columns: .85fr 1.15fr;
  gap: clamp(30px, 6vw, 72px);
  align-items: center;
  padding: clamp(34px, 6vw, 58px);
  border: 1px solid var(--line);
  border-radius: 8px;
  background: linear-gradient(110deg, #fff 0%, #fff 48%, #e5f5f5 48%, #e5f5f5 100%);
}
.flow {
  display: grid;
  grid-template-columns: 1fr 30px 1fr 30px 1fr 30px 1fr;
  gap: 8px;
  align-items: center;
}
.flow div {
  display: grid;
  place-items: center;
  min-height: 104px;
  padding: 16px;
  color: var(--blue-dark);
  text-align: center;
  font-weight: 800;
  line-height: 1.55;
  background: #fff;
  border: 2px solid #bfe5e6;
  border-radius: 8px;
}
.flow div:first-child { color: #fff; background: var(--red); border-color: var(--red); }
.flow span {
  display: block;
  height: 2px;
  background: var(--blue);
  position: relative;
}
.flow span::after {
  content: "";
  position: absolute;
  right: -1px;
  top: 50%;
  width: 8px;
  height: 8px;
  border-top: 2px solid var(--blue);
  border-right: 2px solid var(--blue);
  transform: translateY(-50%) rotate(45deg);
}
.teal {
  color: #fff;
  background: linear-gradient(135deg, rgba(0,91,172,.88), rgba(57,174,176,.93)), var(--teal);
}
.actions-wrap {
  display: grid;
  grid-template-columns: .78fr 1.22fr;
  gap: clamp(32px, 6vw, 70px);
  align-items: start;
}
.teal .kicker,
.teal h2,
.teal p { color: #fff; }
.action-grid { grid-template-columns: repeat(2, 1fr); }
.action-grid article {
  min-height: 210px;
  padding: 28px 26px;
  border-left: 7px solid var(--red);
}
.fit {
  display: grid;
  grid-template-columns: .56fr 1.44fr;
  gap: clamp(34px, 6vw, 76px);
  align-items: center;
}
.fit-visual {
  min-height: 430px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  overflow: visible;
}
.fit-visual img {
  width: min(240px, 82%);
  filter: drop-shadow(0 18px 26px rgba(0, 63, 125, .14));
}
.compare {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}
.compare article {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}
.compare article:last-child { background: #fff7f8; border-color: #f0c8cd; }
.compare h3 { color: var(--blue-dark); margin-bottom: 18px; }
.compare li {
  position: relative;
  padding-left: 18px;
  color: var(--muted);
  line-height: 1.85;
}
.compare li + li { margin-top: 9px; }
.compare li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}
.compare article:last-child li::before { background: var(--red); }
.case-grid { grid-template-columns: repeat(3, 1fr); }
.case-grid article {
  min-height: 240px;
  padding: 30px 28px;
  border: 1px solid var(--line);
}
.case-grid span,
.steps span {
  display: inline-flex;
  margin-bottom: 18px;
  color: #fff;
  background: var(--red);
  border-radius: 4px;
  font-family: var(--latin);
  font-size: .78rem;
  font-weight: 800;
  letter-spacing: .08em;
}
.case-grid span { padding: 5px 12px; }
.steps {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 14px;
}
.steps article {
  min-height: 220px;
  padding: 25px 20px;
  border: 1px solid var(--line);
}
.steps span {
  display: block;
  color: var(--red);
  background: transparent;
}
.faq-section { background: var(--blue-dark); }
.faq-section h2,
.faq-section .kicker { color: #fff; }
.faq details {
  padding: 0 28px;
  background: #fff;
  border-radius: 8px;
}
.faq details + details { margin-top: 12px; }
.faq summary {
  cursor: pointer;
  padding: 22px 0;
  color: var(--blue-dark);
  font-weight: 800;
}
.faq p {
  margin: 0;
  padding: 0 0 24px;
  color: #557181;
  line-height: 1.85;
}
.final-cta {
  position: relative;
  padding: clamp(72px, 9vw, 112px) 0;
  overflow: hidden;
  color: #fff;
  background:
    linear-gradient(90deg, rgba(0,63,125,.96) 0%, rgba(0,91,172,.92) 46%, rgba(0,91,172,.62) 72%, rgba(57,174,176,.18) 100%),
    url("assets/images/generated-board.png") right center / min(58vw, 880px) auto no-repeat,
    var(--blue-dark);
}
.final-cta::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 10px;
  background: linear-gradient(90deg, var(--teal), var(--blue));
}
.final-inner {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
}
.final-inner h2,
.final-inner .kicker,
.final-inner p { color: #fff; }
.final-inner p { max-width: 620px; margin: 0; }

@media (max-width: 1080px) {
  .benefit-grid,
  .steps { grid-template-columns: repeat(2, 1fr); }
  .actions-wrap,
  .ecosystem { grid-template-columns: 1fr; }
  .flow { grid-template-columns: 1fr; }
  .flow span {
    width: 2px;
    height: 26px;
    margin: 0 auto;
  }
  .flow span::after {
    right: auto;
    left: 50%;
    top: auto;
    bottom: -1px;
    transform: translateX(-50%) rotate(135deg);
  }
}

@media (max-width: 820px) {
  :root { --container: min(100% - 36px, 560px); }
  .site-header { height: 70px; }
  .brand { width: 150px; }
  .nav a:not(.nav-cta) { display: none; }
  .hero {
    min-height: auto;
    padding: 112px 0 56px;
    background:
      linear-gradient(180deg, rgba(255,255,255,.98) 0%, rgba(255,255,255,.9) 44%, rgba(255,255,255,.68) 100%),
      url("assets/images/generated-meeting.png") right bottom / 118% auto no-repeat,
      linear-gradient(135deg, #fff 0%, #eefafa 100%);
  }
  .hero-copy { padding: 0 0 260px; }
  .stats,
  .action-grid,
  .compare,
  .two-column,
  .fit,
  .case-grid { grid-template-columns: 1fr; }
  .stat {
    min-height: 112px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }
  .stat:first-child { border-top: 0; }
  .final-cta {
    background:
      linear-gradient(180deg, rgba(0,63,125,.96) 0%, rgba(0,91,172,.9) 58%, rgba(0,91,172,.76) 100%),
      url("assets/images/generated-board.png") right bottom / 116% auto no-repeat,
      var(--blue-dark);
  }
  .final-inner { display: block; }
  .final-inner .button { margin-top: 28px; }
}

@media (max-width: 520px) {
  .section { padding: 66px 0; }
  .hero h1 {
    font-size: clamp(2.05rem, 9.1vw, 2.25rem);
    line-height: 1.45;
  }
  .benefit-grid,
  .steps { grid-template-columns: 1fr; }
  .hero-actions .button,
  .hero-actions .secondary,
  .final-inner .button { width: 100%; }
  .ecosystem { padding: 24px 18px; }
  .fit-visual { min-height: 320px; }
}
budoux-ja {
  display: inline;
}

h1,
h2,
h3,
.lead {
  overflow-wrap: normal;
  word-break: normal;
}