/* =========================================
   幼保向けバーチャル園見学 LP
   モバイルファースト / オレンジ基調
   ========================================= */

:root {
  /* Color tokens */
  --color-orange: #F4A04E;
  --color-orange-deep: #E5873A;
  --color-orange-soft: #FCD9B0;
  --color-cream: #FFF6E5;
  --color-cream-deep: #FBEBCB;
  --color-green: #A8D5BA;
  --color-green-soft: #DDEFE2;
  --color-sky: #BFE3F0;
  --color-sky-soft: #E4F3F8;
  --color-pink: #F8C8C5;

  --color-text: #3E3A36;
  --color-text-soft: #6B6660;
  --color-text-mute: #9B958E;
  --color-line: #E8E2D8;
  --color-bg: #FFFCF7;
  --color-white: #FFFFFF;

  /* Typography */
  --font-jp: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Yu Gothic Medium", sans-serif;
  --font-en: "Quicksand", var(--font-jp);

  /* Layout */
  --container-max: 1080px;
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 28px;
  --radius-xl: 40px;
  --shadow-sm: 0 4px 12px rgba(60, 50, 40, 0.06);
  --shadow-md: 0 8px 24px rgba(60, 50, 40, 0.10);
  --shadow-lg: 0 16px 40px rgba(60, 50, 40, 0.14);
}

/* ===== Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-jp);
  font-size: 15px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, iframe { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul, ol { padding: 0; margin: 0; list-style: none; }
h1, h2, h3, h4, p { margin: 0; }

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

.sp-only { display: inline; }
.pc-only { display: none; }

/* ===== Header ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 252, 247, 0.92);
  backdrop-filter: saturate(140%) blur(8px);
  -webkit-backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 1px solid var(--color-line);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 56px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 13px;
  color: var(--color-text);
}
.brand-mark {
  color: var(--color-orange);
  font-size: 18px;
  line-height: 1;
}
.brand-name {
  letter-spacing: 0.02em;
}
.header-cta {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-orange);
  border-radius: 999px;
  transition: transform 0.2s, background 0.2s;
}
.header-cta:hover { background: var(--color-orange-deep); transform: translateY(-1px); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 28px;
  font-size: 15px;
  font-weight: 700;
  border-radius: 999px;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s, background 0.2s;
  text-align: center;
  line-height: 1.2;
  border: none;
}
.btn-primary {
  background: var(--color-orange);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--color-orange-deep);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: var(--color-white);
  color: var(--color-orange-deep);
  border: 2px solid var(--color-orange-soft);
}
.btn-ghost:hover {
  background: var(--color-cream);
  border-color: var(--color-orange);
}
.btn-large {
  padding: 18px 40px;
  font-size: 17px;
  min-width: 240px;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 56px 0 64px;
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-bg) 100%);
  overflow: hidden;
}
.hero-inner {
  position: relative;
  z-index: 2;
}
.hero-eyebrow {
  display: inline-block;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  color: var(--color-orange-deep);
  background: var(--color-white);
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}
.hero-tagline {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 10px;
  font-family: var(--font-en);
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-orange-deep);
  margin: 0 0 14px;
}
.hero-tagline-line {
  display: inline-block;
  width: 24px;
  height: 2px;
  background: var(--color-orange);
  border-radius: 2px;
}
.hero-title {
  font-size: 32px;
  font-weight: 900;
  line-height: 1.4;
  letter-spacing: 0.01em;
  margin-bottom: 20px;
  color: var(--color-text);
}
.hero-lead {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-soft);
  margin-bottom: 28px;
}
.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 32px;
}
.hero-badges {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 16px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.hero-badges li {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2px;
  text-align: center;
  padding: 8px 4px;
  border-right: 1px solid var(--color-line);
}
.hero-badges li:last-child { border-right: none; }
.hero-badges strong {
  font-family: var(--font-en);
  font-size: 18px;
  font-weight: 700;
  color: var(--color-orange-deep);
  letter-spacing: 0.02em;
}
.hero-badges span {
  font-size: 10px;
  color: var(--color-text-soft);
  line-height: 1.4;
}

.hero-decoration {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
}
.blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.55;
}
.blob-1 {
  width: 220px; height: 220px;
  background: var(--color-orange-soft);
  top: -60px; right: -80px;
}
.blob-2 {
  width: 180px; height: 180px;
  background: var(--color-green-soft);
  bottom: -40px; left: -60px;
}
.blob-3 {
  width: 120px; height: 120px;
  background: var(--color-sky-soft);
  top: 40%; right: 10%;
  opacity: 0.7;
}

/* ===== Section common ===== */
.section {
  padding: 64px 0;
  position: relative;
}
.section-eyebrow {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-orange-deep);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
  padding-left: 32px;
  position: relative;
}
.section-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 24px;
  height: 2px;
  background: var(--color-orange);
  border-radius: 2px;
}
.section-title {
  font-size: 26px;
  font-weight: 900;
  line-height: 1.5;
  margin-bottom: 24px;
  letter-spacing: 0.01em;
}
.section-title .accent {
  color: var(--color-orange-deep);
  position: relative;
  display: inline-block;
}
.section-title .accent::after {
  content: "";
  position: absolute;
  inset: auto 0 -2px;
  height: 8px;
  background: var(--color-cream-deep);
  z-index: -1;
  border-radius: 999px;
}
.section-lead {
  font-size: 15px;
  line-height: 1.9;
  color: var(--color-text-soft);
  margin-bottom: 32px;
}

/* ===== Pain section ===== */
.section-pain {
  background: var(--color-cream);
}
.pain-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}
.pain-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 18px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-orange-soft);
}
.pain-icon {
  flex-shrink: 0;
  font-size: 26px;
  line-height: 1;
  width: 44px;
  height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-cream);
  border-radius: 50%;
}
.pain-item p {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.7;
}

/* ===== What section ===== */
.section-what {
  background: var(--color-white);
}
.what-features {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}
.what-feature {
  position: relative;
  padding: 28px 22px 22px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}
.what-num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-orange);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 12px;
}
.what-feature h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 8px;
}
.what-feature p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* ===== Merit section ===== */
.section-merit {
  background: linear-gradient(180deg, var(--color-cream) 0%, var(--color-bg) 100%);
}
.merit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}
.merit-card {
  padding: 28px 22px;
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
}
.merit-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 4px;
  background: linear-gradient(90deg, var(--color-orange) 0%, var(--color-orange-soft) 100%);
}
.merit-num {
  font-family: var(--font-en);
  font-size: 32px;
  font-weight: 700;
  color: var(--color-orange);
  line-height: 1;
  margin-bottom: 12px;
  opacity: 0.85;
}
.merit-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}
.merit-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-soft);
}
.merit-card strong {
  color: var(--color-orange-deep);
  font-weight: 700;
}

/* ===== Demo section ===== */
.section-demo {
  background: var(--color-sky-soft);
}
.demo-frame {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 10;
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  border: 4px solid var(--color-white);
}
.demo-frame iframe {
  width: 100%;
  height: 100%;
  border: 0;
}
.demo-note {
  margin-top: 16px;
  font-size: 12px;
  color: var(--color-text-soft);
  text-align: center;
}
.demo-note a {
  color: var(--color-orange-deep);
  text-decoration: underline;
  font-weight: 500;
}

/* ===== Usecase section ===== */
.section-usecase {
  background: var(--color-white);
}
.usecase-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 28px;
}
.usecase-item {
  padding: 22px 22px;
  background: var(--color-cream);
  border-radius: var(--radius-md);
  border: 1px dashed var(--color-orange-soft);
  position: relative;
  padding-left: 56px;
}
.usecase-item::before {
  content: "✓";
  position: absolute;
  left: 18px;
  top: 22px;
  width: 26px;
  height: 26px;
  background: var(--color-orange);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
}
.usecase-item h3 {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 6px;
}
.usecase-item p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* ===== Reason section ===== */
.section-reason {
  background: var(--color-green-soft);
}
.reason-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  margin-top: 32px;
}
.reason-card {
  padding: 28px 22px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
}
.reason-tag {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-green);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 14px;
  letter-spacing: 0.05em;
}
.reason-card h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
}
.reason-card p {
  font-size: 14px;
  line-height: 1.85;
  color: var(--color-text-soft);
}
.reason-card strong {
  color: var(--color-orange-deep);
  font-weight: 700;
}

/* ===== Cross section ===== */
.section-cross {
  background: linear-gradient(135deg, var(--color-cream) 0%, var(--color-orange-soft) 100%);
  text-align: left;
}
.section-cross .section-eyebrow,
.section-cross .section-title,
.section-cross .section-lead { text-align: left; }
@media (max-width: 600px) {
  .section-cross .section-eyebrow,
  .section-cross .section-title,
  .section-cross .section-lead { text-align: left; }
}
.cross-grid {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
  margin: 32px 0 20px;
}
.cross-card {
  width: 100%;
  max-width: 280px;
  padding: 24px 20px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
}
.cross-icon {
  font-size: 36px;
  margin-bottom: 8px;
  line-height: 1;
}
.cross-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cross-card p {
  font-size: 12px;
  line-height: 1.7;
  color: var(--color-text-soft);
}
.cross-vt h3 { color: var(--color-orange-deep); }
.cross-live h3 { color: #C53030; }
.cross-plus {
  font-size: 28px;
  font-weight: 700;
  color: var(--color-orange-deep);
  line-height: 1;
}
.cross-equals {
  font-size: 15px;
  color: var(--color-text);
  margin-top: 16px;
  text-align: left;
}
.cross-equals strong {
  color: var(--color-orange-deep);
}

/* ===== Flow section ===== */
.section-flow {
  background: var(--color-white);
}
.flow-steps {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: 32px;
  position: relative;
  counter-reset: step;
}
.flow-step {
  position: relative;
  padding: 22px 22px 22px 22px;
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-line);
}
.flow-num {
  display: inline-block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  color: var(--color-white);
  background: var(--color-orange);
  padding: 4px 12px;
  border-radius: 999px;
  margin-bottom: 10px;
  letter-spacing: 0.04em;
}
.flow-step h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}
.flow-step p {
  font-size: 13px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* ===== FAQ ===== */
.section-faq {
  background: var(--color-cream);
}
.faq-list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: 24px;
}
.faq-item {
  background: var(--color-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  border: 1px solid var(--color-line);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 18px 48px 18px 22px;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-text);
  position: relative;
  user-select: none;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: "＋";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 22px;
  height: 22px;
  background: var(--color-orange);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  font-weight: 700;
  transition: transform 0.2s;
}
.faq-item[open] summary::after {
  content: "−";
  transform: translateY(-50%) rotate(180deg);
}
.faq-item p {
  padding: 0 22px 20px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--color-text-soft);
}

/* ===== Contact ===== */
.section-contact {
  background: linear-gradient(180deg, var(--color-orange-soft) 0%, var(--color-cream) 100%);
  text-align: center;
}
.section-contact .section-eyebrow {
  padding-left: 0;
  margin-left: 0;
}
.section-contact .section-eyebrow::before { display: none; }
.section-contact .section-title { text-align: center; }
.section-contact .section-lead { text-align: center; }
.contact-cta {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  margin: 32px 0 24px;
}
.contact-or {
  font-size: 12px;
  color: var(--color-text-soft);
  margin-top: 4px;
}
.contact-direct {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.contact-direct li {
  font-size: 14px;
  font-weight: 700;
}
.contact-direct a {
  color: var(--color-orange-deep);
  text-decoration: underline;
}
.contact-reassure {
  font-size: 11px;
  color: var(--color-text-mute);
  line-height: 1.7;
  margin-top: 16px;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--color-text);
  color: var(--color-white);
  padding: 40px 0 24px;
}
.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 24px;
  align-items: flex-start;
}
.footer-name {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 4px;
}
.footer-address,
.footer-tel {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
}
.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-nav a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  transition: color 0.2s;
}
.footer-nav a:hover { color: var(--color-orange-soft); }
.footer-copy {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.5);
  font-family: var(--font-en);
}

/* ===== Floating CTA ===== */
.floating-cta {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 12px 18px;
  background: var(--color-orange);
  color: var(--color-white);
  border-radius: 999px;
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  font-weight: 700;
  transition: transform 0.2s, background 0.2s;
}
.floating-cta:hover {
  background: var(--color-orange-deep);
  transform: translateY(-2px);
}
.floating-cta-icon { font-size: 16px; }

/* =========================================
   Tablet / Desktop
   ========================================= */
@media (min-width: 600px) {
  body { font-size: 16px; }
  .container { padding: 0 32px; }

  .sp-only { display: none; }
  .pc-only { display: inline; }

  .section { padding: 80px 0; }
  .section-title { font-size: 30px; }
  .section-lead { font-size: 16px; }

  .hero { padding: 80px 0 96px; }
  .hero-tagline { font-size: 18px; }
  .hero-tagline-line { width: 32px; }
  .hero-title { font-size: 42px; }
  .hero-lead { font-size: 17px; }
  .hero-ctas { flex-direction: row; }

  .pain-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .what-features {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .merit-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .usecase-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  .reason-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }

  .cross-grid {
    flex-direction: row;
    justify-content: flex-start;
  }
  .cross-card { max-width: 240px; }

  .flow-steps {
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
  }
  .flow-step { padding: 22px 16px; }
  .flow-step h3 { font-size: 15px; }
  .flow-step p { font-size: 12px; }

  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
  }
  .footer-copy { margin-left: auto; }
}

@media (min-width: 900px) {
  .hero-title { font-size: 52px; }
  .section-title { font-size: 36px; }
  .header-inner { height: 64px; }
  .brand-name { font-size: 14px; }
  .header-cta { font-size: 14px; padding: 10px 20px; }

  .floating-cta { display: none; }
}

/* ===== Print ===== */
@media print {
  .site-header, .floating-cta, .site-footer { display: none; }
  .section { padding: 30px 0; page-break-inside: avoid; }
}