:root {
  --color-page: #faf7f0;
  --color-surface: #ffffff;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-main: #1e3a5f;
  --color-main-soft: #edf4f8;
  --color-accent: #f59e0b;
  --color-accent-soft: #fff7e6;
  --color-border: #e5e7eb;
  --color-green: #2f6f5e;
  --shadow-soft: 0 18px 40px rgba(31, 41, 55, 0.08);
  --radius: 8px;
  --container: 1120px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--color-page);
  color: var(--color-text);
  font-family: "Yu Gothic", "Hiragino Kaku Gothic ProN", Meiryo, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0;
}

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

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

button,
a {
  -webkit-tap-highlight-color: transparent;
}

button {
  font: inherit;
}

:focus-visible {
  outline: 3px solid rgba(245, 158, 11, 0.7);
  outline-offset: 3px;
}

.skip-link {
  position: fixed;
  left: 16px;
  top: 12px;
  z-index: 20;
  transform: translateY(-160%);
  background: var(--color-main);
  color: #fff;
  padding: 10px 14px;
  border-radius: var(--radius);
}

.skip-link:focus {
  transform: translateY(0);
}

.container {
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid rgba(229, 231, 235, 0.9);
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(100% - 40px, var(--container));
  min-height: 72px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  color: var(--color-main);
}

.brand-mark {
  width: 34px;
  height: 34px;
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 30% 28%, #fff7e6 0 16%, transparent 17%),
    linear-gradient(135deg, var(--color-main) 0 58%, var(--color-accent) 59% 100%);
  box-shadow: 0 8px 18px rgba(30, 58, 95, 0.16);
  flex: 0 0 auto;
}

.brand-text {
  line-height: 1.3;
}

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

.site-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 8px 12px;
  border-radius: var(--radius);
  color: var(--color-muted);
  font-size: 15px;
  font-weight: 700;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  background: var(--color-accent-soft);
  color: var(--color-main);
}

.site-nav .nav-contact {
  background: var(--color-accent);
  color: #2d2108;
  margin-left: 4px;
}

.menu-button {
  display: none;
  width: 46px;
  height: 46px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
}

.menu-button span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--color-main);
}

.hero {
  position: relative;
  min-height: 78svh;
  max-height: 760px;
  display: grid;
  align-items: center;
  overflow: hidden;
  background-image:
    linear-gradient(90deg, rgba(19, 34, 51, 0.82), rgba(19, 34, 51, 0.52) 52%, rgba(19, 34, 51, 0.18)),
    url("../images/placeholder-demo.webp");
  background-position: center;
  background-size: cover;
  color: #fff;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.06), rgba(0, 0, 0, 0.18));
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(100% - 40px, var(--container));
  margin: 0 auto;
  padding: 72px 0 64px;
}

.eyebrow,
.section-kicker {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 800;
  color: var(--color-accent);
}

.hero h1 {
  max-width: 760px;
  margin: 0;
  font-size: 42px;
  line-height: 1.35;
  letter-spacing: 0;
}

.hero-lead {
  max-width: 680px;
  margin: 22px 0 0;
  color: rgba(255, 255, 255, 0.9);
  font-size: 18px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 30px;
}

.button {
  min-height: 46px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: var(--radius);
  font-weight: 800;
  line-height: 1.35;
  text-align: center;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}

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

.button-primary {
  background: var(--color-accent);
  color: #2d2108;
  box-shadow: 0 12px 24px rgba(245, 158, 11, 0.24);
}

.button-light {
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-main);
}

.button-outline {
  border-color: var(--color-border);
  background: #fff;
  color: var(--color-main);
}

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.badge-list li {
  padding: 7px 10px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: rgba(255, 255, 255, 0.92);
  font-size: 14px;
  font-weight: 700;
}

.section {
  padding: 86px 0;
}

.section-white {
  background: var(--color-surface);
}

.intro {
  padding: 42px 0;
}

.intro-grid,
.update-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
  gap: 42px;
  align-items: center;
}

.intro h2,
.section-heading h2,
.update-grid h2,
.contact-inner h2 {
  margin: 0;
  color: var(--color-main);
  font-size: 32px;
  line-height: 1.45;
  letter-spacing: 0;
}

.intro p,
.section-heading p,
.update-grid p,
.contact-inner p {
  color: var(--color-muted);
}

.section-heading {
  max-width: 760px;
  margin-bottom: 34px;
}

.section-heading p {
  margin: 14px 0 0;
}

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 24px;
}

.filter-button {
  min-height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: #fff;
  color: var(--color-main);
  padding: 8px 14px;
  cursor: pointer;
  font-weight: 800;
}

.filter-button.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: #2d2108;
}

.demo-status {
  min-height: 28px;
  color: var(--color-muted);
  margin-bottom: 18px;
}

.demo-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.site-card,
.feature-item,
.prep-item,
.price-card,
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  box-shadow: var(--shadow-soft);
}

.site-card {
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.site-card-image {
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--color-main-soft);
}

.site-card-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.status-pill {
  position: absolute;
  right: 12px;
  top: 12px;
  padding: 5px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-green);
  font-size: 13px;
  font-weight: 800;
}

.site-card-body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 20px;
}

.site-industry {
  margin: 0;
  color: var(--color-accent);
  font-size: 14px;
  font-weight: 800;
}

.site-card h3,
.feature-item h3,
.prep-item h3,
.price-card h3 {
  margin: 8px 0 8px;
  color: var(--color-main);
  font-size: 20px;
  line-height: 1.45;
}

.site-description,
.support-text,
.feature-item p,
.prep-item p,
.price-card p {
  color: var(--color-muted);
}

.site-description {
  margin: 0;
  flex: 1;
}

.tag-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.tag-list li {
  padding: 5px 8px;
  border-radius: 999px;
  background: var(--color-accent-soft);
  color: #7a4a03;
  font-size: 13px;
  font-weight: 700;
}

.support-text {
  margin: 14px 0 0;
  font-size: 14px;
}

.card-actions {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 18px;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.feature-item {
  padding: 24px;
}

.prep-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
}

.prep-item {
  padding: 24px;
}

.prep-number {
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-accent-soft);
  color: #7a4a03;
  font-weight: 900;
}

.feature-icon {
  width: 42px;
  height: 42px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius);
  background: var(--color-main);
  color: #fff;
  font-weight: 900;
}

.update-section {
  background: linear-gradient(180deg, var(--color-page), #eef6f2);
}

.check-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: #fff;
  padding: 24px;
  box-shadow: var(--shadow-soft);
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  position: relative;
  padding-left: 30px;
  color: var(--color-text);
  font-weight: 700;
}

.check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-green);
  box-shadow: inset 0 0 0 4px #fff;
}

.flow-list {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.flow-list li {
  border-top: 4px solid var(--color-accent);
  border-radius: var(--radius);
  background: var(--color-accent-soft);
  padding: 18px;
}

.flow-list span {
  width: 34px;
  height: 34px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-main);
  color: #fff;
  font-weight: 900;
}

.flow-list strong {
  display: block;
  margin-top: 12px;
  color: var(--color-main);
}

.flow-list p {
  margin: 8px 0 0;
  color: var(--color-muted);
  font-size: 14px;
}

.price-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.price-card {
  padding: 24px;
}

.price-card-featured {
  border-color: rgba(245, 158, 11, 0.6);
  background: var(--color-accent-soft);
}

.price-card strong {
  display: block;
  margin-top: 18px;
  color: var(--color-main);
  font-size: 20px;
}

.faq-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.14fr);
  gap: 34px;
  align-items: start;
}

.faq-list {
  display: grid;
  gap: 12px;
}

.faq-item {
  overflow: hidden;
  box-shadow: none;
}

.faq-question {
  width: 100%;
  min-height: 58px;
  border: 0;
  background: #fff;
  color: var(--color-main);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  text-align: left;
  cursor: pointer;
  font-weight: 800;
}

.faq-mark {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-main-soft);
  flex: 0 0 auto;
}

.faq-answer {
  padding: 0 18px 18px;
  color: var(--color-muted);
}

.faq-answer p {
  margin: 0;
}

.contact-section {
  padding: 84px 0;
  background: var(--color-main);
  color: #fff;
}

.contact-inner {
  max-width: 820px;
}

.contact-inner h2 {
  color: #fff;
}

.contact-inner p {
  color: rgba(255, 255, 255, 0.86);
}

.contact-inner .button {
  margin-top: 12px;
}

.contact-note {
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.1);
  padding: 12px 14px;
}

.button.is-pending {
  background: rgba(255, 255, 255, 0.92);
  color: var(--color-main);
  box-shadow: none;
  cursor: default;
}

.button.is-pending:hover {
  transform: none;
}

.site-footer {
  background: #152943;
  color: rgba(255, 255, 255, 0.78);
  padding: 28px 0;
}

.footer-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px 24px;
}

.footer-inner p {
  margin: 0;
}

.footer-note {
  font-size: 14px;
}

@media (max-width: 1040px) {
  .demo-grid,
  .feature-grid,
  .prep-grid,
  .price-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 760px) {
  body {
    font-size: 15px;
  }

  .container,
  .header-inner,
  .hero-content {
    width: min(100% - 32px, var(--container));
  }

  .header-inner {
    min-height: 66px;
  }

  .brand-text {
    max-width: 190px;
  }

  .menu-button {
    display: inline-flex;
  }

  .site-nav {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 72px;
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    background: #fff;
    padding: 10px;
    box-shadow: var(--shadow-soft);
  }

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

  .site-nav a {
    justify-content: flex-start;
  }

  .site-nav .nav-contact {
    margin-left: 0;
    justify-content: center;
  }

  .hero {
    min-height: 76svh;
    max-height: none;
    background-position: center;
  }

  .hero h1 {
    font-size: 30px;
  }

  .hero-lead {
    font-size: 16px;
  }

  .hero-actions,
  .button {
    width: 100%;
  }

  .badge-list li {
    font-size: 13px;
  }

  .section {
    padding: 64px 0;
  }

  .intro {
    padding: 34px 0;
  }

  .intro-grid,
  .update-grid,
  .faq-layout {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .intro h2,
  .section-heading h2,
  .update-grid h2,
  .contact-inner h2 {
    font-size: 26px;
  }

  .filter-bar {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 6px;
  }

  .filter-button {
    flex: 0 0 auto;
  }

  .demo-grid,
  .feature-grid,
  .prep-grid,
  .price-grid,
  .flow-list {
    grid-template-columns: 1fr;
  }

  .site-card-body,
  .feature-item,
  .prep-item,
  .price-card,
  .check-panel {
    padding: 20px;
  }

  .footer-inner {
    display: grid;
  }
}

@media (max-width: 360px) {
  .container,
  .header-inner,
  .hero-content {
    width: min(100% - 24px, var(--container));
  }

  .brand-text {
    max-width: 160px;
    font-size: 14px;
  }

  .hero h1 {
    font-size: 27px;
  }

  .intro h2,
  .section-heading h2,
  .update-grid h2,
  .contact-inner h2 {
    font-size: 24px;
  }
}

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