:root {
  --navy: #7b2494;
  --navy-2: #9f36bb;
  --teal: #ff8a5c;
  --teal-2: #ff7445;
  --pop-pink: #c34cd8;
  --pop-yellow: #ffd2a1;
  --pop-sky: #f4d9fb;
  --bg: #f7f9fc;
  --white: #ffffff;
  --text: #1f2a37;
  --text-mid: #526070;
  --line: #dbe4f1;
  --danger: #d93939;
  --shadow-soft: 0 10px 26px rgba(12, 36, 74, 0.08);
  --shadow-strong: 0 18px 44px rgba(12, 36, 74, 0.14);
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Noto Sans JP", sans-serif;
  color: var(--text);
  background:
    radial-gradient(1000px 480px at -8% 0%, rgba(123, 36, 148, 0.08), transparent 60%),
    radial-gradient(860px 420px at 110% 10%, rgba(255, 138, 92, 0.1), transparent 60%),
    linear-gradient(180deg, #fffafe 0%, #fbf6fd 100%);
  line-height: 1.75;
}

.container {
  width: min(1280px, 92%);
  margin-inline: auto;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

h1 {
  font-size: clamp(2.2rem, 6vw, 4rem);
  line-height: 1.18;
  letter-spacing: 0.01em;
}

h2 {
  font-size: clamp(1.7rem, 4vw, 2.5rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
}

h3 {
  font-size: 1.22rem;
  line-height: 1.45;
}

p {
  color: var(--text-mid);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 60;
  background: rgba(101, 30, 122, 0.9);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(12px);
}

.header-inner {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo img {
  width: 174px;
  height: auto;
  display: block;
}

.logo {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.95);
  border: 1px solid rgba(255, 255, 255, 0.9);
  border-radius: 12px;
  padding: 0.28rem 0.5rem;
  box-shadow: 0 8px 22px rgba(58, 12, 71, 0.24);
}

.nav {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.nav a {
  color: #fff;
  text-decoration: none;
  opacity: 0.92;
  font-weight: 500;
  padding: 0.5rem 0.32rem;
  transition: opacity 0.2s ease;
}

.nav a:hover {
  opacity: 1;
}

.menu-toggle,
.menu-btn {
  display: none;
}

.menu-btn {
  width: 44px;
  height: 44px;
  border: 1px solid rgba(255, 255, 255, 0.45);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-btn span {
  width: 18px;
  height: 2px;
  background: #fff;
}

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(500px 240px at 10% -10%, rgba(255, 138, 92, 0.3), transparent 62%),
    linear-gradient(130deg, var(--navy) 0%, #8f2aa7 46%, var(--navy-2) 100%);
  color: #fff;
  padding: 6.2rem 0 6.6rem;
}

.hero-backdrop {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(640px 640px at 90% -8%, rgba(255, 138, 92, 0.28), transparent 65%),
    radial-gradient(500px 500px at -8% 100%, rgba(195, 76, 216, 0.24), transparent 70%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 980px;
}

.pill,
.flat {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
  padding: 0.34rem 0.82rem;
}

.pill {
  color: #e7f1ff;
  background: linear-gradient(90deg, rgba(127, 215, 255, 0.26), rgba(255, 92, 159, 0.22));
  border: 1px solid rgba(255, 255, 255, 0.24);
}

.pill.dark {
  color: #5a1f6f;
  background: #f5e5fa;
}

.hero h1 {
  margin-top: 0.95rem;
  display: inline-flex;
  flex-direction: column;
  gap: 0.32rem;
  align-items: center;
}

.hero h1 span {
  display: inline-block;
  box-decoration-break: clone;
  -webkit-box-decoration-break: clone;
  background: rgba(66, 12, 83, 0.56);
  border-radius: 0.2em;
  padding: 0.08em 0.28em;
  text-shadow: 0 2px 8px rgba(0, 0, 0, 0.28);
  line-height: 1.22;
}

.hero h1 .title-line:last-child {
  background: linear-gradient(90deg, rgba(66, 12, 83, 0.72), rgba(255, 138, 92, 0.36));
}

.lead {
  margin-top: 0.95rem;
  color: #d8e5ff;
  font-size: clamp(1rem, 2vw, 1.18rem);
}

.strong {
  color: #ffffff;
  font-weight: 700;
}

.hero-actions {
  margin-top: 1.55rem;
  display: flex;
  justify-content: center;
  gap: 0.8rem;
  flex-wrap: wrap;
}

.btn {
  border: 0;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.82rem 1.28rem;
  border-radius: 12px;
  font-weight: 700;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.cta-animated {
  position: relative;
  animation: ctaBreath 2.8s ease-in-out infinite;
}

.cta-animated::before {
  content: "";
  position: absolute;
  inset: -4px;
  border-radius: inherit;
  border: 1px solid rgba(255, 138, 92, 0.55);
  opacity: 0;
  animation: ctaPulse 2.8s ease-out infinite;
  pointer-events: none;
}

.btn-primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal) 0%, #ff6a92 100%);
  box-shadow: 0 10px 24px rgba(255, 120, 85, 0.35);
}

.btn-primary:hover {
  background: var(--teal-2);
}

.btn-ghost {
  color: #fff;
  border: 1px solid rgba(255, 194, 220, 0.58);
  background: rgba(255, 255, 255, 0.12);
}

.btn-small {
  font-size: 0.9rem;
  padding: 0.56rem 1rem;
}

.btn-large {
  font-size: 1.04rem;
  padding: 0.96rem 1.8rem;
}

.section {
  padding: 96px 0;
  position: relative;
  overflow: hidden;
}

.alt {
  background:
    radial-gradient(640px 240px at 100% 0%, rgba(127, 215, 255, 0.22), transparent 70%),
    linear-gradient(180deg, #edf3fb, #eaf1f9);
}

#problem {
  background:
    radial-gradient(circle at 8% 16%, rgba(195, 76, 216, 0.14) 0 2px, transparent 2.5px) 0 0 / 26px 26px,
    linear-gradient(180deg, #fffbff 0%, #fbf6fd 100%);
}

#advantage {
  background:
    repeating-linear-gradient(-30deg, rgba(123, 36, 148, 0.05) 0 12px, rgba(123, 36, 148, 0) 12px 24px),
    linear-gradient(180deg, #f8eefb 0%, #f5ebf9 100%);
}

#simulation {
  background:
    radial-gradient(520px 200px at 4% -4%, rgba(255, 138, 92, 0.2), transparent 68%),
    radial-gradient(760px 260px at 96% 8%, rgba(195, 76, 216, 0.14), transparent 70%),
    linear-gradient(180deg, #fffafe 0%, #f8f2fb 100%);
}

#strength {
  background:
    repeating-linear-gradient(90deg, rgba(195, 76, 216, 0.08) 0 1px, transparent 1px 32px),
    linear-gradient(180deg, #f8eefb 0%, #f5ebf9 100%);
}

#success {
  background:
    radial-gradient(400px 180px at 88% -8%, rgba(255, 138, 92, 0.2), transparent 74%),
    linear-gradient(180deg, #fffafe 0%, #f9f3fc 100%);
}

#flow {
  background:
    radial-gradient(circle at 10% 50%, rgba(195, 76, 216, 0.14) 0 2px, transparent 2.5px) 0 0 / 30px 30px,
    linear-gradient(180deg, #f8eefb 0%, #f2e8f7 100%);
}

#pricing {
  background:
    linear-gradient(135deg, rgba(255, 138, 92, 0.18) 0%, rgba(255, 138, 92, 0) 40%),
    linear-gradient(180deg, #fffafe 0%, #f7f1fb 100%);
}

#guide {
  background:
    radial-gradient(560px 220px at 50% 0%, rgba(195, 76, 216, 0.22), transparent 72%),
    linear-gradient(180deg, #f8eefb 0%, #f2e8f7 100%);
}

.section-head {
  text-align: center;
  max-width: 860px;
  margin: 0 auto 1.2rem;
}

.section-head.left {
  text-align: left;
  max-width: none;
  margin: 0 0 1.2rem;
}

.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: var(--shadow-soft);
  transition: box-shadow 0.25s ease, transform 0.25s ease;
}

.card:hover {
  box-shadow: var(--shadow-strong);
  transform: translateY(-2px);
}

.panel {
  padding: 1.25rem;
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(248, 251, 255, 0.98));
}

.issues {
  padding: 1.3rem;
}

.issues ul,
.compare-grid ul,
.check-list,
.cta-card ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.issues li,
.check-list li,
.cta-card li {
  display: flex;
  align-items: flex-start;
  gap: 0.66rem;
  padding: 0.74rem 0;
}

.issues i {
  color: var(--danger);
  margin-top: 0.34rem;
}

.compare-grid {
  display: grid;
  grid-template-columns: 1fr 72px 1fr;
  gap: 1rem;
  align-items: stretch;
}

.muted-side,
.accent-side {
  padding: 1.28rem;
}

.muted-side {
  background: #f1f4f8;
}

.accent-side {
  background: linear-gradient(150deg, #dcfffa 0%, #fff3fa 52%, #eaf6ff 100%);
  border-color: #c9efe8;
}

.arrow-col {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
  font-size: 1.5rem;
}

.compare-grid li {
  border-bottom: 1px solid rgba(0, 31, 95, 0.08);
  padding: 0.58rem 0;
}

.grid {
  display: grid;
  gap: 1rem;
}

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

.mini-card {
  background: #f5f8fe;
  border: 1px solid #dce6f6;
  border-radius: 14px;
  padding: 1rem;
}

.flow-grid {
  margin-top: 1rem;
  display: grid;
  grid-template-columns: 1fr 42px 1fr 42px 1fr;
  gap: 0.86rem;
}

.flow-card {
  background: #f6f9ff;
  border: 1px solid #d9e6ff;
  border-radius: 14px;
  padding: 0.95rem;
}

.flow-card.highlight {
  background: #e7fffb;
  border-color: #9de8dc;
}

.flow-arrow {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--navy);
}

.step {
  color: var(--navy);
  font-weight: 700;
}

.value {
  margin-top: 0.2rem;
  font-size: 1.65rem;
  font-weight: 900;
  color: #0f2d62;
}

.formula {
  font-size: 0.92rem;
}

.result {
  margin-top: 1rem;
  background: #fff7db;
  border: 1px solid #f3de95;
  border-radius: 12px;
  padding: 0.9rem;
}

.step-card,
.point-card {
  padding: 1rem;
}

.step-badge,
.num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 700;
  padding: 0.24rem 0.7rem;
}

.step-badge {
  color: var(--navy);
  background: linear-gradient(90deg, #f4d9fb, #ffe1d3);
}

.num {
  color: #8d2b52;
  background: linear-gradient(90deg, #ffe8f3, #ffe8cc);
}

.step-visual {
  margin: 0.8rem 0;
  border-radius: 14px;
  border: 1px solid #efd5f5;
  background: linear-gradient(135deg, #fbecff 0%, #ffe9dc 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  min-height: 74px;
  color: #7b2494;
  font-weight: 700;
}

.step-visual i {
  font-size: 1.05rem;
  color: #ff7a56;
}

.split-grid,
.pricing-grid {
  display: grid;
  gap: 1rem;
}

.split-grid {
  grid-template-columns: 1.2fr 1fr;
}

.pricing-grid {
  grid-template-columns: 1.15fr 1fr;
}

.check-list i {
  color: var(--teal-2);
  margin-top: 0.34rem;
}

.role-card {
  display: grid;
  align-content: center;
}

.role-message {
  color: var(--navy);
  font-size: 1.2rem;
  font-weight: 700;
}

.timeline-row {
  margin-top: 0.8rem;
  display: grid;
  grid-template-columns: 1fr 24px 1fr 24px 1fr 24px 1fr;
  gap: 0.3rem;
  align-items: center;
}

.time-item {
  border: 1px solid #dce6f7;
  border-radius: 10px;
  background: #f5f8ff;
  padding: 0.74rem;
  text-align: center;
  font-weight: 700;
}

.time-item span {
  display: block;
  font-size: 0.85rem;
}

.time-item.go {
  background: linear-gradient(140deg, #e2fff8, #fff5cf);
  border-color: #b7efdf;
}

.time-arrow {
  text-align: center;
  color: var(--navy);
}

.price-box {
  margin-top: 1rem;
  border: 1px dashed #b5c8ea;
  border-radius: 12px;
  padding: 1rem;
}

.plus {
  margin: 0.2rem 0;
  font-size: 1.4rem;
  color: var(--navy);
  font-weight: 900;
}

.monthly strong {
  font-size: 1.6rem;
  color: var(--navy);
}

.flat {
  margin-top: 0.54rem;
  color: #0a5a4d;
  background: linear-gradient(90deg, #d8fff9, #fff4c7);
}

.note {
  margin-top: 0.8rem;
  padding: 0.74rem;
  border-radius: 10px;
  background: #fff8db;
  border: 1px solid #f1de90;
  color: #5d4c00;
}

.price-detail ol {
  margin: 0.75rem 0 0;
  padding-left: 1.1rem;
}

.center,
.final-cta {
  text-align: center;
}

.compact li {
  text-align: left;
}

.meta {
  margin-top: 0.82rem;
  font-size: 0.92rem;
}

.company-profile {
  text-align: left;
}

.company-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.company-grid h4 {
  margin-bottom: 0.5rem;
  color: var(--navy);
}

.contact-wrap {
  max-width: 930px;
  margin: 1.6rem auto 0;
  text-align: left;
}

.form-title {
  margin-bottom: 0.8rem;
}

.contact-form {
  margin-top: 0.9rem;
  padding: 1.05rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.9rem;
}

.contact-form label {
  display: grid;
  gap: 0.35rem;
  font-weight: 500;
}

.contact-form .full,
.contact-form .privacy,
.contact-form button {
  grid-column: 1 / -1;
}

input,
select,
textarea {
  width: 100%;
  min-height: 44px;
  border: 1px solid #c6d6ef;
  border-radius: 10px;
  padding: 0.62rem 0.75rem;
  background: #fff;
  color: var(--text);
  font: inherit;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: #c34cd8;
  box-shadow: 0 0 0 3px rgba(195, 76, 216, 0.2);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

.privacy {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.privacy input {
  width: 18px;
  min-height: 18px;
  height: 18px;
}

.site-footer {
  background: var(--navy);
  color: #cbd7f2;
  padding: 1.1rem 0;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.mt-8 { margin-top: 0.5rem; }
.mt-16 { margin-top: 1rem; }
.mt-24 { margin-top: 1.5rem; }

.fade-in {
  animation: fadeIn 0.85s ease both;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(16px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes ctaBreath {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-1px); }
}

@keyframes ctaPulse {
  0% { opacity: 0; transform: scale(0.98); }
  25% { opacity: 0.5; }
  100% { opacity: 0; transform: scale(1.06); }
}

@media (max-width: 1024px) {
  .compare-grid,
  .grid-3,
  .flow-grid,
  .split-grid,
  .pricing-grid,
  .timeline-row,
  .company-grid {
    grid-template-columns: 1fr;
  }

  .arrow-col,
  .flow-arrow,
  .time-arrow {
    display: none;
  }

  .contact-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .header-inner {
    min-height: 68px;
  }

  .logo img {
    width: 146px;
  }

  .logo {
    border-radius: 10px;
    padding: 0.22rem 0.4rem;
  }

  .menu-btn {
    display: flex;
  }

  .nav {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    background: var(--navy);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    display: grid;
    gap: 0;
    transform: scaleY(0);
    transform-origin: top;
    transition: transform 0.22s ease;
  }

  .nav a {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 0.8rem 1rem;
  }

  .menu-toggle:checked ~ .nav {
    transform: scaleY(1);
  }

  .hero {
    padding: 5rem 0;
  }

  .hero h1 {
    gap: 0.4rem;
  }

  .section {
    padding: 82px 0;
  }

  .hero-actions {
    flex-direction: column;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .fade-in,
  .cta-animated,
  .cta-animated::before {
    animation: none;
  }
}