@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;700&family=Oswald:wght@400;500;600;700&display=swap');


*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --orange:     #E85A1B;
  --orange-lt:  #F5A623;
  --blue:       #4EA5D9;
  --blue-dk:    #123F5A;
  --black:      #111111;
  --dark:       #1A1A1A;
  --mid:        #333333;
  --gray:       #666666;
  --light:      #F6F6F3;
  --white:      #FFFFFF;
  --border:     #E8E8E8;

  --font-disp: 'Oswald', sans-serif;
  --font-body: 'Noto Sans JP', sans-serif;

  --radius: 2px;
  --shadow: 0 10px 30px rgba(17,17,17,0.08);
  --shadow-lg: 0 20px 54px rgba(17,17,17,0.15);
  --ease: cubic-bezier(0.2, 0.7, 0.2, 1);
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.7;
  color: var(--dark);
  background: #FDFDFC;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:focus-visible {
  outline: 3px solid rgba(78,165,217,0.45);
  outline-offset: 3px;
}


.site-nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.94);
  border-bottom: 1px solid rgba(232,90,27,0.26);
  box-shadow: 0 2px 14px rgba(17,17,17,0.05);
  backdrop-filter: blur(14px);
  overflow: visible;
  transition: box-shadow 0.25s var(--ease), background 0.25s var(--ease);
}
.site-nav::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 3px;
  background: linear-gradient(90deg, var(--orange), var(--blue));
}
.site-nav.is-scrolled {
  background: rgba(255,255,255,0.98);
  box-shadow: 0 12px 28px rgba(17,17,17,0.1);
}

.nav-inner {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 32px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: height 0.25s var(--ease);
}
.site-nav.is-scrolled .nav-inner {
  height: 58px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.nav-logo-img {
  height: 40px;
  width: 40px;
  display: block;
  border-radius: 4px;
  object-fit: cover;
  box-shadow: 0 6px 16px rgba(17,17,17,0.12);
}
.nav-logo-text {
  display: flex;
  flex-direction: column;
  line-height: 1.25;
}
.nav-logo-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--black);
  letter-spacing: 0.02em;
  font-family: var(--font-body);
}
.nav-logo-sub {
  font-size: 10px;
  color: var(--gray);
  letter-spacing: 0.04em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-links a {
  font-size: 12px;
  font-weight: 500;
  color: var(--mid);
  letter-spacing: 0.03em;
  position: relative;
  padding-bottom: 2px;
  transition: color 0.2s var(--ease);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0;
  width: 0; height: 2px;
  background: var(--orange);
  transition: width 0.2s var(--ease);
}
.nav-links a:hover,
.nav-links a.active {
  color: var(--orange);
}
.nav-links a:hover::after,
.nav-links a.active::after { width: 100%; }

.nav-cta {
  font-family: var(--font-body);
  font-size: 12px;
  font-weight: 700;
  background: var(--orange);
  color: var(--white) !important;
  padding: 0 20px;
  height: 36px;
  border-radius: var(--radius);
  letter-spacing: 0.04em;
  box-shadow: 0 8px 18px rgba(232,90,27,0.22);
  transition: background 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  flex-shrink: 0;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-sizing: border-box;
}
.nav-cta:hover {
  background: var(--black) !important;
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(17,17,17,0.18);
}
.nav-cta::after { display: none !important; }


.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
  border-radius: var(--radius);
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--black);
  transition: transform 0.25s var(--ease), opacity 0.2s var(--ease), background 0.2s var(--ease);
  border-radius: 2px;
}
.nav-hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-hamburger.is-open span:nth-child(2) { opacity: 0; }
.nav-hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }


.nav-mobile {
  display: flex;
  flex-direction: column;
  background: var(--white);
  border-top: 1px solid var(--border);
  padding: 0 24px;
  gap: 2px;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  pointer-events: none;
  transition: max-height 0.3s var(--ease), opacity 0.25s var(--ease), padding 0.3s var(--ease);
}
.nav-mobile.open {
  max-height: 280px;
  opacity: 1;
  padding: 16px 24px 20px;
  pointer-events: auto;
}
.nav-mobile a {
  display: block;
  padding: 10px 0;
  font-size: 14px;
  font-weight: 500;
  color: var(--dark);
  border-bottom: 1px solid var(--border);
  transition: color 0.2s var(--ease), padding-left 0.2s var(--ease);
}
.nav-mobile a:hover { color: var(--orange); padding-left: 6px; }
.nav-mobile a:last-child { border-bottom: none; }


.site-footer {
  background: var(--black);
  border-top: 4px solid var(--orange);
  padding: 36px 32px 28px;
}
.footer-inner {
  max-width: 1100px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 20px;
}
.footer-logo {
  font-family: var(--font-disp);
  font-size: 18px;
  font-weight: 700;
  color: var(--gray);
  letter-spacing: 0.08em;
}
.footer-logo span { color: var(--orange); }
.footer-links {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
}
.footer-links a {
  font-size: 12px;
  color: #888;
  transition: color 0.2s;
}
.footer-links a:hover { color: var(--orange); }
.footer-copy {
  width: 100%;
  font-size: 11px;
  color: #444;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid #2a2a2a;
}


.section {
  padding: 72px 32px;
  position: relative;
}
.section-inner {
  max-width: 1100px;
  margin: 0 auto;
}
.section-alt { background: var(--light); }

.page-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px),
    linear-gradient(180deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: 0.34;
  z-index: -1;
}
.page-hero::after {
  content: '';
  position: absolute;
  right: 8%;
  bottom: -26px;
  width: 180px;
  height: 4px;
  background: var(--blue);
  transform: skewX(-22deg);
  opacity: 0.7;
}
.page-hero-inner {
  position: relative;
  z-index: 1;
}

.section-head { margin-bottom: 44px; }
.section-head-row {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 10px;
}
.section-label {
  font-family: var(--font-disp);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange);
}
.section-mark {
  width: 4px;
  height: 26px;
  background: var(--orange);
  border-radius: 2px;
  flex-shrink: 0;
}
.section-title {
  font-family: var(--font-disp);
  font-size: 26px;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--black);
}
.section-desc {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.9;
  max-width: 640px;
  margin-top: 12px;
}


.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 700;
  padding: 12px 26px;
  border-radius: var(--radius);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  min-height: 44px;
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
  letter-spacing: 0.04em;
  border: 2px solid transparent;
}
.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(110deg, transparent 0%, rgba(255,255,255,0.22) 44%, transparent 58%);
  transform: translateX(-120%);
  transition: transform 0.5s var(--ease);
}
.btn:hover::after { transform: translateX(120%); }
.btn > * { position: relative; z-index: 1; }
.btn-primary {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}
.btn-primary:hover {
  background: var(--black);
  border-color: var(--black);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(232,90,27,0.3);
}
.btn-secondary {
  background: transparent;
  color: var(--mid);
  border-color: var(--border);
}
.btn-secondary:hover {
  border-color: var(--orange);
  color: var(--orange);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.btn-outline-w {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,0.4);
}
.btn-outline-w:hover {
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.8);
  transform: translateY(-2px);
}
.btn-icon { font-size: 14px; transition: transform 0.2s; }
.btn:hover .btn-icon { transform: translateX(3px); }


.card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  border-top: 3px solid var(--orange);
  position: relative;
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}
.card::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 3px;
  background: var(--orange);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}
.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(232,90,27,0.28);
}
.card:hover::before { transform: scaleX(1); }
.card:nth-child(2) { border-top-color: var(--blue); }
.card:nth-child(2)::before { background: var(--blue); }
.card-icon { font-size: 28px; margin-bottom: 14px; }
.card-title {
  font-family: var(--font-disp);
  font-size: 16px;
  font-weight: 600;
  color: var(--black);
  margin-bottom: 10px;
  letter-spacing: 0.03em;
}
.card-desc {
  font-size: 12px;
  color: var(--gray);
  line-height: 1.8;
}
.card-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.04em;
  transition: color 0.2s var(--ease), transform 0.2s var(--ease);
}
.card-link:hover { color: var(--blue-dk); transform: translateX(3px); }


.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}


.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  background: var(--light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.metrics-inner {
  max-width: 1100px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-column: 1 / -1;
}
.metric {
  padding: 22px 16px;
  border-right: 1px solid var(--border);
  text-align: center;
  transition: background 0.25s var(--ease), transform 0.25s var(--ease), box-shadow 0.25s var(--ease);
}
.metric:last-child { border-right: none; }
.metric:hover {
  background: var(--white);
  box-shadow: 0 10px 24px rgba(17,17,17,0.08);
  transform: translateY(-2px);
}
.metric-num {
  font-family: var(--font-disp);
  font-size: 30px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}
.metric-label {
  font-size: 11px;
  color: var(--gray);
  margin-top: 5px;
  letter-spacing: 0.04em;
}


.form-group { margin-bottom: 22px; }
.form-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: 7px;
  letter-spacing: 0.04em;
}
.form-label .required {
  display: inline-block;
  font-size: 10px;
  color: var(--orange);
  background: rgba(232,90,27,0.08);
  padding: 1px 6px;
  border-radius: 2px;
  margin-left: 6px;
  font-weight: 400;
}
.form-input,
.form-textarea,
.form-select {
  width: 100%;
  background: #FAFAFA;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 11px 14px;
  font-size: 13px;
  font-family: var(--font-body);
  color: var(--dark);
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease), background 0.2s var(--ease);
  outline: none;
  appearance: none;
}
.form-input::placeholder,
.form-textarea::placeholder { color: #bbb; }
.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  border-color: var(--orange);
  background: var(--white);
  box-shadow: 0 0 0 3px rgba(232,90,27,0.1);
}
.form-textarea { min-height: 130px; resize: vertical; }
.form-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23999' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 36px;
  cursor: pointer;
}


.dl-file {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
  transition: background 0.15s var(--ease), transform 0.15s var(--ease);
}
.dl-file:last-child { border-bottom: none; }
.dl-file:hover { background: var(--light); transform: translateX(2px); }
.dl-file-info { display: flex; align-items: center; gap: 10px; flex: 1; min-width: 0; }
.dl-file-icon { font-size: 20px; flex-shrink: 0; }
.dl-file-name {
  font-size: 13px;
  font-weight: 500;
  color: var(--dark);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.dl-file-meta { font-size: 11px; color: #aaa; margin-top: 1px; }
.dl-file-btn {
  font-size: 11px;
  font-weight: 700;
  color: var(--orange);
  border: 1px solid rgba(232,90,27,0.4);
  padding: 5px 14px;
  border-radius: var(--radius);
  white-space: nowrap;
  transition: all 0.15s;
  flex-shrink: 0;
  cursor: pointer;
  background: none;
  font-family: var(--font-body);
}


.reveal-target {
  opacity: 1;
}
body.is-reveal-ready .reveal-target {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.65s var(--ease), transform 0.65s var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
body.is-reveal-ready .reveal-target.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.dl-file-btn:hover {
  background: var(--orange);
  color: var(--white);
  border-color: var(--orange);
}


@media (max-width: 900px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics .metric:nth-child(2) { border-right: none; }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .metrics-inner .metric:nth-child(2) { border-right: none; }
}

@media (max-width: 640px) {
  .section { padding: 52px 20px; }
  .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .metrics-inner { grid-template-columns: repeat(2, 1fr); }
  .nav-inner { height: 60px; padding: 0 18px; gap: 14px; }
  .site-nav.is-scrolled .nav-inner { height: 58px; }
  .nav-logo-img { width: 36px; height: 36px; }
  .nav-logo-name { font-size: 15px; }
  .nav-logo-sub { font-size: 9px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-hamburger { display: flex; }
  .section-title { font-size: 20px; }
  .btn { width: 100%; justify-content: center; }
  .footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-links { gap: 14px; }
  .page-hero::after { right: 20px; width: 120px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
  body.is-reveal-ready .reveal-target {
    opacity: 1;
    transform: none;
  }
}


.site-footer {
  background: transparent !important;
  border-top: 1px solid var(--border) !important;
  padding: 10px 20px !important;
}

.site-footer .footer-inner {
  min-height: 0 !important;
  padding: 0 !important;
}

.site-footer .footer-logo {
  display: none !important;
}

.site-footer .footer-links {
  display: none !important;
}

.site-footer .footer-copy {
  color: var(--gray) !important;
  font-size: 9px !important;
  line-height: 1.4 !important;
  text-align: center !important;
  width: 100% !important;
}


.site-footer {
  background: transparent !important;
  border-top: 1px solid var(--border) !important;
  padding: 10px 20px !important;
}
.site-footer .footer-inner {
  min-height: 0 !important;
  padding: 0 !important;
}
.site-footer .footer-logo,
.site-footer .footer-links {
  display: none !important;
}
.site-footer .footer-copy {
  color: var(--gray) !important;
  font-size: 9px !important;
  line-height: 1.4 !important;
  text-align: center !important;
  width: 100% !important;
}


.site-footer {
  background: transparent !important;
  border-top: 1px solid var(--border) !important;
  padding: 12px 20px !important;
}
.site-footer .footer-inner {
  max-width: 1100px !important;
  margin: 0 auto !important;
  padding: 0 !important;
  min-height: 0 !important;
  display: flex !important;
  align-items: center !important;
  justify-content: space-between !important;
  gap: 12px !important;
}
.site-footer .footer-logo {
  display: block !important;
  font-family: var(--font-disp);
  font-size: 11px !important;
  font-weight: 700;
  color: var(--gray) !important;
  letter-spacing: 0.09em;
  white-space: nowrap;
}
.site-footer .footer-logo span {
  color: var(--orange) !important;
}
.site-footer .footer-links {
  display: none !important;
}
.site-footer .footer-copy {
  width: auto !important;
  color: var(--gray) !important;
  font-size: 9px !important;
  line-height: 1.4 !important;
  text-align: right !important;
}
@media (max-width: 560px) {
  .site-footer .footer-inner {
    flex-direction: column !important;
    justify-content: center !important;
    gap: 4px !important;
  }
  .site-footer .footer-copy {
    text-align: center !important;
  }
}


.site-footer {
  width: 100% !important;
  box-sizing: border-box !important;
  border-top: 1px solid var(--border) !important;
}


.site-footer .footer-copy,
.footer-copy {
  border-top: none !important;
}
.site-footer .footer-copy::before,
.site-footer .footer-copy::after,
.footer-copy::before,
.footer-copy::after {
  border: 0 !important;
  border-top: 0 !important;
  height: 0 !important;
  content: none !important;
}


.site-footer .footer-copy {
  border-top: 0 !important;
  margin-top: 0 !important;
  padding-top: 0 !important;
}