:root {
  --bg: #fff8f4;
  --bg-warm: #fff0e7;
  --paper: #ffffff;
  --ink: #201129;
  --muted: #6f6072;
  --line: #f2d9d0;
  --magenta: #cb22d8;
  --pink: #ff2f7d;
  --coral: #ff5f50;
  --orange: #ff9f20;
  --violet: #7a24ff;
  --shadow: 0 22px 55px rgba(101, 30, 72, 0.13);
  --radius: 8px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background:
    linear-gradient(90deg, rgba(203, 34, 216, 0.035) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255, 159, 32, 0.035) 1px, transparent 1px),
    var(--bg);
  background-size: 38px 38px;
  color: var(--ink);
  font-family: "Noto Sans JP", "BIZ UDPGothic", system-ui, sans-serif;
  line-height: 1.8;
  letter-spacing: 0;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 76px;
  padding: 12px clamp(20px, 4vw, 64px);
  background: rgba(255, 248, 244, 0.88);
  border-bottom: 1px solid rgba(242, 217, 208, 0.78);
  backdrop-filter: blur(16px);
}

.logo {
  display: inline-flex;
  align-items: center;
  line-height: 1;
}

.logo img {
  width: clamp(124px, 13vw, 170px);
  height: auto;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(18px, 3vw, 34px);
  color: #4b394e;
  font-weight: 900;
}

.site-nav a {
  transition: color 0.2s ease, transform 0.2s ease;
}

.site-nav a:hover {
  color: var(--pink);
  transform: translateY(-1px);
}

.nav-cta,
.primary-cta,
.secondary-cta,
.contact-form button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 0 28px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--magenta), var(--pink) 52%, var(--orange));
  color: #fff;
  font-weight: 900;
  box-shadow: 0 16px 34px rgba(255, 68, 111, 0.26);
}

.nav-cta {
  min-height: 44px;
}

.menu-toggle {
  display: none;
  width: 44px;
  height: 44px;
  padding: 10px;
  border: 1px solid var(--line);
  background: var(--paper);
  border-radius: 8px;
}

.menu-toggle span {
  display: block;
  height: 2px;
  margin: 5px 0;
  background: var(--ink);
}

.section-band {
  background:
    radial-gradient(circle at 12% 12%, rgba(203, 34, 216, 0.16), transparent 30%),
    radial-gradient(circle at 86% 18%, rgba(255, 159, 32, 0.2), transparent 28%),
    linear-gradient(180deg, #fffaf7, #fff0e7);
}

.hero {
  display: grid;
  grid-template-columns: minmax(320px, 0.82fr) minmax(360px, 1.18fr);
  align-items: center;
  min-height: calc(100vh - 76px);
  padding: clamp(60px, 7vw, 110px) clamp(20px, 5vw, 86px) clamp(42px, 6vw, 80px);
  overflow: hidden;
}

.hero-copy {
  position: relative;
  z-index: 2;
  max-width: 760px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 14px;
  color: var(--magenta);
  font-size: 0.83rem;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.hero h1 {
  margin: 0;
  font-size: clamp(2.45rem, 5.25vw, 5.55rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: 0;
}

.hero h1 span,
.section-heading h2 span {
  background: linear-gradient(110deg, var(--magenta), var(--pink) 48%, var(--orange));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.lead {
  max-width: 660px;
  margin: 28px 0 34px;
  color: var(--muted);
  font-size: clamp(1rem, 1.5vw, 1.28rem);
  font-weight: 700;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 18px;
  align-items: center;
}

.text-link {
  color: var(--ink);
  font-weight: 900;
  text-decoration: underline;
  text-decoration-color: rgba(255, 95, 80, 0.45);
  text-decoration-thickness: 4px;
  text-underline-offset: 6px;
}

.hero-visual {
  position: relative;
  margin-right: 0;
}

.brand-orbit {
  position: absolute;
  inset: 10% 2% auto auto;
  width: min(42vw, 540px);
  aspect-ratio: 1;
  border: 1px solid rgba(255, 47, 125, 0.18);
  border-radius: 50%;
  background:
    radial-gradient(circle at 30% 30%, rgba(203, 34, 216, 0.2), transparent 26%),
    radial-gradient(circle at 72% 65%, rgba(255, 159, 32, 0.24), transparent 28%);
  filter: blur(1px);
}

.hero-visual img {
  position: relative;
  width: min(780px, 58vw);
  max-width: none;
  filter: drop-shadow(0 30px 46px rgba(63, 24, 55, 0.16));
}

.intro,
.features,
.pricing,
.contact {
  padding: clamp(76px, 9vw, 128px) clamp(20px, 5vw, 86px);
}

.section-heading {
  max-width: 980px;
  margin: 0 auto 28px;
  text-align: center;
}

.section-heading h2,
.contact h2 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 3.7rem);
  font-weight: 900;
  line-height: 1.25;
}

.intro-text,
.pattern-lead,
.features-lead,
.pricing p {
  max-width: 1000px;
  margin: 0 auto;
  color: var(--muted);
  text-align: center;
  font-size: clamp(1rem, 1.6vw, 1.22rem);
  font-weight: 700;
}

.echo-signal {
  position: relative;
  width: 138px;
  height: 138px;
  margin: 54px auto 0;
  border-radius: 36px;
  background:
    linear-gradient(#fff, #fff) padding-box,
    linear-gradient(135deg, var(--magenta), var(--pink), var(--orange)) border-box;
  border: 10px solid transparent;
  box-shadow: var(--shadow);
}

.echo-signal span {
  position: absolute;
  right: 20px;
  border: 8px solid transparent;
  border-top-color: var(--coral);
  border-right-color: var(--coral);
  border-radius: 50%;
  transform: rotate(-12deg);
}

.echo-signal span:nth-child(1) {
  top: 26px;
  width: 28px;
  height: 28px;
}

.echo-signal span:nth-child(2) {
  top: 12px;
  width: 56px;
  height: 56px;
}

.echo-signal span:nth-child(3) {
  right: 55px;
  bottom: 28px;
  width: 38px;
  height: 8px;
  border: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--magenta), var(--orange));
  transform: none;
}

.pattern {
  padding: clamp(78px, 9vw, 132px) clamp(20px, 5vw, 86px);
}

.pattern-map {
  position: relative;
  width: min(980px, 100%);
  min-height: 560px;
  margin: 54px auto 0;
}

.pattern-map::before {
  content: "";
  position: absolute;
  inset: 86px 18%;
  border: 1px dashed rgba(255, 95, 80, 0.34);
  border-radius: 50%;
}

.pattern-node {
  position: absolute;
  display: grid;
  place-items: center;
  width: 260px;
  min-height: 132px;
  padding: 22px;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  text-align: center;
  box-shadow: 0 12px 34px rgba(101, 30, 72, 0.09);
}

.pattern-node strong {
  color: #4a184f;
  font-size: 1.1rem;
  line-height: 1.45;
}

.pattern-node span {
  font-size: 0.92rem;
  font-weight: 900;
}

.pattern-node.main {
  top: 210px;
  left: 50%;
  width: 320px;
  min-height: 170px;
  transform: translateX(-50%);
  background: linear-gradient(135deg, #2a1135, #5b174c);
  color: #ffe9df;
  border-color: rgba(255, 255, 255, 0.18);
  border-radius: var(--radius);
}

.pattern-node.main strong {
  color: #fff;
  font-size: 1.35rem;
}

.pattern-node.top {
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  background: #fff1ef;
}

.pattern-node.left {
  top: 190px;
  left: 0;
}

.pattern-node.right {
  top: 190px;
  right: 0;
}

.pattern-node.bottom-left {
  bottom: 0;
  left: 11%;
}

.pattern-node.bottom-right {
  right: 11%;
  bottom: 0;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
  max-width: 1180px;
  margin: 56px auto 44px;
}

.feature-card {
  position: relative;
  display: flex;
  min-height: 560px;
  flex-direction: column;
  padding: 64px clamp(28px, 4vw, 58px) 26px;
  overflow: hidden;
  background: var(--paper);
  border: 1px solid rgba(242, 217, 208, 0.88);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.feature-card::after {
  content: "";
  position: absolute;
  right: -64px;
  bottom: -64px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 159, 32, 0.2), transparent 68%);
}

.feature-number {
  position: absolute;
  top: -18px;
  left: 28px;
  color: rgba(255, 47, 125, 0.22);
  font-size: clamp(4.4rem, 8vw, 7.4rem);
  font-weight: 900;
  line-height: 1;
}

.feature-card h3 {
  position: relative;
  margin: 48px 0 24px;
  font-size: clamp(1.35rem, 2.3vw, 2rem);
  font-weight: 900;
  text-align: center;
}

.feature-card p {
  position: relative;
  margin: 0 auto;
  color: var(--muted);
  font-weight: 700;
  text-align: center;
}

.centered {
  margin: 0 auto;
}

.feature-image {
  position: relative;
  z-index: 1;
  width: min(100%, 360px);
  aspect-ratio: 16 / 10;
  object-fit: contain;
  margin: auto auto 0;
  filter: drop-shadow(0 16px 24px rgba(101, 30, 72, 0.12));
}

.pricing {
  text-align: center;
}

.secondary-cta {
  margin-top: 34px;
  background: var(--ink);
  box-shadow: 0 16px 34px rgba(32, 17, 41, 0.18);
}

.contact {
  display: grid;
  grid-template-columns: minmax(280px, 0.8fr) minmax(320px, 1fr);
  gap: clamp(34px, 6vw, 82px);
  align-items: start;
}

.contact-copy p:not(.section-kicker) {
  color: var(--muted);
  font-weight: 700;
}

.contact-form {
  display: grid;
  gap: 18px;
  padding: clamp(24px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.9);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.contact-form label {
  display: grid;
  gap: 7px;
  color: #4a184f;
  font-weight: 900;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 13px 14px;
  background: #fffaf7;
  color: var(--ink);
  font: inherit;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 3px solid rgba(255, 47, 125, 0.18);
  border-color: var(--pink);
}

.contact-form textarea {
  resize: vertical;
}

.contact-form button {
  min-height: 56px;
  margin-top: 8px;
}

.form-status {
  margin: 0;
  font-weight: 700;
}

.form-status.is-error {
  color: #c62245;
}

.form-thanks {
  margin: 0;
  padding: 24px 0;
  text-align: center;
  color: #4a184f;
  font-weight: 900;
  font-size: 1.1rem;
}

.site-footer {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 32px;
  align-items: center;
  padding: 42px clamp(20px, 5vw, 86px);
  background: #201129;
  color: #fff3ed;
}

.site-footer .logo {
  width: fit-content;
}

.site-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  color: #ffdacf;
  font-weight: 900;
}

.site-footer small {
  color: #e9beb6;
}

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

  .hero {
    min-height: auto;
  }

  .hero-visual {
    margin: 22px 0 0;
  }

  .hero-visual img {
    width: 100%;
  }

  .brand-orbit {
    width: 74vw;
  }

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

  .pattern-map {
    display: grid;
    gap: 14px;
    min-height: 0;
  }

  .pattern-map::before {
    display: none;
  }

  .pattern-node,
  .pattern-node.main,
  .pattern-node.top,
  .pattern-node.left,
  .pattern-node.right,
  .pattern-node.bottom-left,
  .pattern-node.bottom-right {
    position: static;
    width: 100%;
    min-height: auto;
    transform: none;
    border-radius: var(--radius);
  }
}

@media (max-width: 760px) {
  .site-header {
    min-height: 68px;
  }

  .logo img {
    width: 118px;
  }

  .menu-toggle {
    display: block;
  }

  .site-nav {
    position: absolute;
    z-index: 30;
    top: 68px;
    right: 16px;
    left: 16px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 14px;
    background: #fff;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
  }

  .site-nav.is-open {
    display: flex;
  }

  .site-nav a {
    padding: 13px 12px;
  }

  .nav-cta {
    margin-top: 8px;
  }

  .hero {
    padding-top: 42px;
  }

  .hero-actions,
  .primary-cta,
  .secondary-cta {
    width: 100%;
  }

  .text-link {
    width: 100%;
    text-align: center;
  }

  .feature-card {
    min-height: 500px;
  }

  .site-footer {
    grid-template-columns: 1fr;
  }
}