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

.g-header, .g-footer {
  --g-ink: #111111;
  --g-ink-sub: #3a3a3a;
  --g-muted: #8a8a8a;
  --g-line: #e5e3de;
  --g-max: 1200px;
  --g-gutter: clamp(16px, 4vw, 40px);
  --g-ff-en: "Jost", "Helvetica Neue", Arial, sans-serif;
  --g-ff-jp: "Noto Sans JP", "Hiragino Sans", "Yu Gothic", "Meiryo", sans-serif;
  font-family: var(--g-ff-jp);
  letter-spacing: 0.04em;
  line-height: 1.6;
  box-sizing: border-box;
}
.g-header *, .g-footer * { box-sizing: border-box; }
.g-header a, .g-footer a { text-decoration: none; }

.g-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #ffffff;
  color: var(--g-ink);
  border-bottom: 1px solid var(--g-line);
  transition: box-shadow .3s ease;
}
.g-header.is-scrolled { box-shadow: 0 2px 18px rgba(0,0,0,.06); }

:root { --g-header-h: 59px; }
@media (max-width: 1000px) { :root { --g-header-h: 67px; } }

html { scroll-padding-top: var(--g-header-h); }

@media (hover: none) { html { scroll-behavior: auto; } }
@media (max-width: 1000px) { html:has(.contact-form :focus) .g-header { position: relative; } }
.g-header .g-inner {
  max-width: var(--g-max);
  margin: 0 auto;
  padding: 12px var(--g-gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  position: relative;
}
.g-brand { display: inline-flex; align-items: center; gap: 12px; color: var(--g-ink); }

.g-brand:has(.g-logo) { flex-shrink: 0; }
.g-logo { height: 34px; width: auto; display: block; flex-shrink: 0; }   

@media (max-width: 960px) { .g-logo { height: 30px; } }

.g-shield { width: 44px; height: auto; display: block; }
.g-brand-text {
  font-family: var(--g-ff-en);
  font-weight: 500;
  font-size: 17px;
  letter-spacing: 0.22em;
  line-height: 1;
  color: var(--g-ink);
}
.g-brand-text small {
  display: block;
  font-family: var(--g-ff-jp);
  font-weight: 500;
  font-size: 9.5px;
  letter-spacing: 0.22em;
  color: var(--g-muted);
  margin-top: 6px;
}
.g-nav {
  display: flex;
  gap: 26px;
  margin-left: auto;
  font-size: 12.5px;
  letter-spacing: 0.14em;
}
.g-nav a {
  color: var(--g-ink-sub);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
  transition: color .2s, border-color .2s;
  white-space: nowrap;
}
.g-nav a:hover { color: var(--g-ink); }
.g-nav a.is-current { color: var(--g-ink); border-bottom-color: var(--g-ink); }

.g-header .nav-toggle {
  display: none;
  width: 42px; height: 42px;
  border: 1px solid var(--g-line);
  background: #ffffff;
  border-radius: 3px;
  cursor: pointer;
  padding: 0;
  position: relative;
  flex: 0 0 auto;
}
.g-header .nav-toggle span {
  position: absolute; left: 11px; right: 11px;
  height: 2px; background: var(--g-ink);
  transition: transform .2s, opacity .2s;
}
.g-header .nav-toggle span:nth-child(1) { top: 13px; }
.g-header .nav-toggle span:nth-child(2) { top: 20px; }
.g-header .nav-toggle span:nth-child(3) { top: 27px; }
.g-header.is-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.g-header.is-open .nav-toggle span:nth-child(2) { opacity: 0; }
.g-header.is-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1000px) {
  .g-header .nav-toggle { display: block; }
  .g-nav {
    display: none;
    position: absolute;
    top: 100%; left: 0; right: 0;
    flex-direction: column;
    gap: 0;
    margin: 0;
    background: #ffffff;
    border-top: 1px solid var(--g-line);
    box-shadow: 0 12px 24px rgba(0,0,0,.08);
    padding: 8px 0;
  }
  .g-nav a {
    padding: 14px var(--g-gutter);
    border-bottom: 1px solid var(--g-line);
  }
  .g-nav a:last-child { border-bottom: none; }
  .g-header.is-open .g-nav { display: flex; }
}

.g-footer {
  background: #111111;
  color: rgba(255,255,255,.8);
  padding: clamp(48px, 6vw, 72px) var(--g-gutter) 28px;
}
.g-footer .g-inner {
  max-width: var(--g-max);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 32px;
  align-items: start;
}
.g-footer .g-brand-text { color: #ffffff; }
.g-footer .g-brand-text small { color: rgba(255,255,255,.55); }
.g-footer address { font-style: normal; font-size: 13px; line-height: 1.9; margin: 16px 0 0; }
.g-footer-nav { display: flex; flex-wrap: wrap; gap: 10px 22px; font-size: 12.5px; letter-spacing: 0.1em; }
.g-footer-nav a { color: rgba(255,255,255,.8); }
.g-footer-nav a:hover { color: #ffffff; }
.g-copy {
  max-width: var(--g-max);
  margin: 40px auto 0;
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,.14);
  font-family: var(--g-ff-en);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: rgba(255,255,255,.5);
}
@media (max-width: 720px) { .g-footer .g-inner { grid-template-columns: 1fr; } }

.ai-figure {
  position: relative;
  margin: 0;
  aspect-ratio: 3 / 2;
  background: #f4f3f0;
  overflow: hidden;
}
.ai-figure::before {
  content: attr(data-label);
  position: absolute; inset: 0;
  display: grid; place-items: center;
  border: 1px dashed #c9c6bf;
  font-family: "Jost", "Noto Sans JP", sans-serif;
  font-size: 12px;
  letter-spacing: 0.18em;
  line-height: 2;
  color: #8a8a8a;
  text-align: center;
  white-space: pre-line;
  padding: 12px;
}
.ai-figure img {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}

h1, h2, h3, h4 { text-wrap: balance; }
p, li, dd, blockquote, figcaption { text-wrap: pretty; }
h1, h2, h3, h4, p, li, dd, dt, blockquote, figcaption { word-break: auto-phrase; }
.nb { display: inline-block; max-width: 100%; }