:root {
  --color-primary: #0052ff;
  --color-primary-hover: #003ecc;
  --color-highlight: #f4b000;
  --color-neutral: #7c828a;
  --color-bg: #ffffff;
  --color-surface: #ffffff;
  --color-surface-soft: #f7f7f7;
  --color-surface-card: #ffffff;
  --color-surface-strong: #eef0f3;
  --color-dark: #0046d8;
  --color-dark-elevated: #003ecc;
  --color-text: #0a0b0d;
  --color-text-strong: #0a0b0d;
  --color-text-soft: #5b616e;
  --color-border: #dee1e6;
  --color-border-soft: #eef0f3;
  --color-success: #05b169;
  --color-warning: #f4b000;
  --color-error: #cf202f;
  --font-display: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-body: "Inter", "Noto Sans JP", system-ui, sans-serif;
  --font-code: "JetBrains Mono", monospace;
  --radius-button: 8px;
  --radius-panel: 8px;
  --radius-card: 12px;
  --radius-pill: 100px;
  --shadow-hover: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-focus: 0 0 0 3px rgba(0, 82, 255, 0.16);
  --container: 1200px;
  --space-section: clamp(56px, 8vw, 96px);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  overflow-y: scroll;
  scrollbar-gutter: stable;
}

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.72;
  letter-spacing: 0;
}

body.nav-open {
  overflow: hidden;
}

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

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

button,
input,
textarea {
  font: inherit;
}

.container {
  width: min(100% - 48px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  border-bottom: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(18px);
  transition: background 200ms ease, border-color 200ms ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
}

.nav {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0;
  white-space: nowrap;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav-link {
  position: relative;
  display: inline-flex;
  align-items: center;
  min-height: 38px;
  padding: 0 12px;
  color: var(--color-text-soft);
  font-size: 14px;
  font-weight: 500;
  transition: color 180ms ease;
}

.nav-link::after {
  content: "";
  position: absolute;
  right: 12px;
  bottom: 5px;
  left: 12px;
  height: 2px;
  border-radius: 999px;
  background: var(--color-primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.nav-link:hover,
.nav-link.is-active {
  color: var(--color-text);
}

.nav-link:hover::after,
.nav-link.is-active::after {
  transform: scaleX(1);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-actions .button {
  min-height: 38px;
  padding: 9px 16px;
  font-size: 14px;
}

.menu-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-button);
  background: var(--color-surface);
  color: var(--color-text);
  cursor: pointer;
}

.menu-toggle span {
  display: block;
  width: 16px;
  height: 2px;
  margin: 4px auto;
  border-radius: 2px;
  background: currentColor;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 44px;
  padding: 12px 20px;
  border: 1px solid transparent;
  border-radius: var(--radius-button);
  font-size: 16px;
  font-weight: 600;
  line-height: 1.2;
  cursor: pointer;
  transition: transform 200ms ease, box-shadow 200ms ease, background 200ms ease, border-color 200ms ease;
}

.button:hover {
  transform: translateY(-1px);
}

.button-primary {
  background: var(--color-primary);
  color: var(--color-surface);
}

.button-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.24);
}

.button-secondary {
  position: relative;
  border-color: transparent;
  background: var(--color-surface-strong);
  color: var(--color-text);
}

.button-secondary::after {
  content: "";
  position: absolute;
  right: 20px;
  bottom: 10px;
  left: 20px;
  height: 1px;
  border-radius: 999px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 220ms ease;
}

.button-secondary:hover::after {
  transform: scaleX(1);
}

.hero {
  position: relative;
  min-height: calc(100vh - 64px);
  display: grid;
  align-items: center;
  padding: 56px 0 72px;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.28fr) minmax(280px, 0.72fr);
  gap: clamp(32px, 6vw, 64px);
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  width: 18px;
  height: 1px;
  border-radius: 0;
  background: currentColor;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1;
  letter-spacing: 0;
}

h1 {
  margin-top: 16px;
  font-size: clamp(44px, 6.2vw, 76px);
}

h1 span {
  display: block;
  white-space: nowrap;
}

h2 {
  font-size: clamp(34px, 4.8vw, 52px);
}

h3 {
  font-size: 32px;
}

p {
  margin: 0;
  color: var(--color-text-soft);
}

.lead {
  max-width: 640px;
  margin-top: 20px;
  font-size: 18px;
  color: var(--color-text-strong);
}

.hero-actions,
.section-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.hero-panel {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface-card);
  box-shadow: 0 18px 50px rgba(10, 11, 13, 0.08);
}

.hero-panel img {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.hero-note {
  display: grid;
  gap: 8px;
  padding: 24px;
}

.hero-note strong {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0;
}

.trust-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-top: 32px;
}

.trust-item {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.trust-item b {
  display: block;
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 400;
}

.section {
  padding: var(--space-section) 0;
}

.section-muted {
  border-block: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 28px;
}

.section-head p {
  max-width: 560px;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface-card);
  overflow: hidden;
  transition: transform 200ms ease, box-shadow 200ms ease, border-color 200ms ease;
}

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

.card-body {
  padding: 32px;
}

.card-body h3 + p {
  margin-top: 16px;
}

.number {
  display: inline-grid;
  place-items: center;
  width: 36px;
  height: 36px;
  margin-bottom: 16px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-surface);
  font-family: var(--font-code);
  font-size: 13px;
  font-weight: 700;
}

.price-card {
  display: flex;
  flex-direction: column;
  min-height: 100%;
}

.card-body .chip + h3 {
  margin-top: 16px;
}

.price-card.is-featured {
  position: relative;
  background: var(--color-surface);
  border-color: var(--color-primary);
  color: var(--color-text);
}

.price-card.is-featured::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--color-primary);
}

.price-card.is-featured .list li::before {
  background: var(--color-primary);
}

.price-card.is-featured .chip {
  background: #e8f0ff;
  color: var(--color-primary);
}

.price {
  margin: 16px 0;
  font-family: var(--font-display);
  font-size: 44px;
  font-weight: 400;
  line-height: 1;
}

.price small {
  color: var(--color-text-soft);
  font-size: 14px;
}

.price-unit {
  margin-left: 3px;
  color: var(--color-text-soft);
  font-size: 14px;
  vertical-align: 0.18em;
}

.note {
  margin-top: 16px;
  color: var(--color-neutral);
  font-size: 13px;
}

.note + .note {
  margin-top: 6px;
}

.list {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.list li {
  display: flex;
  gap: 10px;
  color: var(--color-text-soft);
}

.list li::before {
  content: "";
  flex: 0 0 8px;
  width: 8px;
  height: 8px;
  margin-top: 10px;
  border-radius: var(--radius-pill);
  background: var(--color-neutral);
}

.work-image {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
}

.chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  background: var(--color-surface-strong);
  color: var(--color-text);
  font-size: 12px;
  font-weight: 600;
}

.timeline {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
}

.payment-flow,
.flow-cards {
  display: grid;
  gap: 20px;
}

.payment-flow {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.flow-cards {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.payment-card,
.flow-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  padding: 28px;
}

.payment-card h3,
.flow-card h3 {
  margin-bottom: 12px;
  font-size: 24px;
}

.payment-card strong {
  display: block;
  margin-top: 16px;
  color: var(--color-primary);
  font-size: 18px;
}

.flow-card span {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--color-primary);
  font-family: var(--font-code);
  font-size: 12px;
  font-weight: 700;
}

.step {
  padding: 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-panel);
  background: var(--color-surface);
}

.step span {
  display: block;
  margin-bottom: 8px;
  color: var(--color-primary);
  font-family: var(--font-code);
  font-size: 12px;
}

.profile-strip {
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: 32px;
  align-items: center;
  max-width: 1040px;
  margin-inline: auto;
}

.profile-photo {
  width: 240px;
  aspect-ratio: 1;
  border-radius: var(--radius-card);
  object-fit: cover;
  border: 1px solid var(--color-border);
}

.news-list {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-surface);
  overflow: hidden;
}

.news-row {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr) auto;
  gap: 16px;
  align-items: center;
  padding: 16px;
  border-bottom: 1px solid var(--color-border);
}

.news-row:last-child {
  border-bottom: 0;
}

.date {
  color: var(--color-neutral);
  font-family: var(--font-code);
  font-size: 12px;
}

.cta-band {
  position: relative;
  padding: 64px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-card);
  background: linear-gradient(90deg, #eef4ff 0%, var(--color-surface) 72%);
  color: var(--color-text);
  overflow: hidden;
}

.cta-band::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 4px;
  background: var(--color-primary);
}

.cta-band p {
  color: var(--color-text-soft);
}

.cta-band .eyebrow {
  color: var(--color-primary);
}

.cta-band .button-primary {
  background: var(--color-primary);
  color: var(--color-surface);
}

.cta-band .button-primary:hover {
  background: var(--color-primary-hover);
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.24);
}

.page-hero {
  padding: 72px 0 48px;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-soft);
}

.page-hero .lead {
  max-width: 760px;
}

.form {
  display: grid;
  gap: 16px;
}

.contact-form-wrap {
  display: grid;
  justify-items: center;
}

.contact-form-wrap .form.card {
  width: min(100%, 720px);
}

.field {
  display: grid;
  gap: 8px;
}

.field label {
  font-weight: 700;
}

.field input,
.field textarea {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-bg);
  padding: 10px 14px;
  color: var(--color-text);
  outline: 0;
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

.field textarea {
  min-height: 180px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-focus);
}

.form-message {
  min-height: 24px;
  color: var(--color-text-soft);
}

.form-message.is-error {
  color: var(--color-error);
}

.form-message.is-success {
  color: var(--color-success);
}

.privacy-content {
  max-width: 860px;
}

.privacy-content h2 {
  margin-top: 36px;
  margin-bottom: 12px;
  font-size: 24px;
}

.privacy-list {
  display: grid;
  gap: 8px;
  margin: 14px 0 0;
  padding-left: 1.2em;
  color: var(--color-text-soft);
}

.policy-meta {
  display: grid;
  gap: 10px;
  margin: 32px 0 0;
}

.policy-meta div {
  display: grid;
  grid-template-columns: 140px minmax(0, 1fr);
  gap: 16px;
  padding: 4px 0 14px;
  border-bottom: 1px solid var(--color-border);
}

.policy-meta dt {
  color: var(--color-text);
  font-weight: 600;
}

.policy-meta dd {
  margin: 0;
  color: var(--color-text-soft);
}

.site-footer {
  padding: 56px 0;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text-soft);
}

.footer-grid {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  color: var(--color-text-soft);
  font-weight: 400;
}

.site-footer p {
  color: var(--color-neutral);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 980px) {
  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  .timeline {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .payment-flow,
  .flow-cards {
    grid-template-columns: 1fr;
  }

  .profile-strip {
    grid-template-columns: 1fr;
  }

  .nav-links {
    position: fixed;
    inset: 64px 0 auto;
    display: none;
    justify-items: start;
    padding: 16px 24px 24px;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, 0.98);
  }

  .nav-link {
    width: fit-content;
  }

  .nav-links.is-open {
    display: grid;
  }

  .nav-actions .button {
    display: none;
  }

  .menu-toggle {
    display: block;
  }
}

@media (max-width: 680px) {
  .container {
    width: min(100% - 32px, var(--container));
  }

  .hero {
    min-height: auto;
    padding: 48px 0;
  }

  .trust-row,
  .timeline {
    grid-template-columns: 1fr;
  }

  .section-head,
  .footer-grid {
    display: grid;
  }

  .news-row {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .cta-band {
    padding: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }

  .reveal {
    opacity: 1;
    transform: none;
  }
}