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

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--c-bg); color: var(--c-fg); line-height: 1.6; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

:root {
  --c-bg:      #F4F6F8;
  --c-bg-alt:  #FFFFFF;
  --c-fg:      #1A2332;
  --c-muted:   #6B7A8D;
  --c-border:  #D6DCE4;
  --c-accent:  #2B6CB0;
  --c-accent-h:#1E4F86;
  --c-dark:    #111926;
  --c-dark-fg: #E8EDF2;
  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.5rem;
  --space-4: 2.5rem;
  --space-5: 4rem;
  --space-6: 7rem;
  --radius-sm: 4px;
  --radius-md: 10px;
  --radius-lg: 20px;
  --font-display: 'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --font-body:    'Noto Sans JP', 'Hiragino Kaku Gothic ProN', 'Meiryo', sans-serif;
  --shadow-sm: 0 2px 8px rgba(27,50,80,0.07);
  --shadow-md: 0 6px 24px rgba(27,50,80,0.10);
  --shadow-lg: 0 16px 48px rgba(27,50,80,0.13);
}

.site-header {
  background: var(--c-bg-alt);
  border-bottom: 1px solid var(--c-border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.site-header .container {
  display: flex;
  align-items: center;
  padding-block: var(--space-2);
  gap: var(--space-2);
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.site-header .logo-wrap { display: flex; align-items: center; gap: var(--space-2); }
.site-header .logo-wrap img { width: 40px; height: 40px; }
.site-header .brand-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--c-fg);
  letter-spacing: 0.02em;
}

.page-hero {
  background: var(--c-dark);
  padding-block: var(--space-5);
}
.page-hero .container {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.page-hero .section-label {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #60A5FA;
  border-bottom: 2px solid #60A5FA;
  padding-bottom: 2px;
  margin-bottom: var(--space-2);
}
.page-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  color: var(--c-dark-fg);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}
.page-hero p { font-size: 1rem; color: #9EB3CC; max-width: 60ch; }

.page-main {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--space-4);
  padding-block: var(--space-5);
}
.prose-section {
  max-width: 72ch;
}
.prose-section + .prose-section { margin-top: var(--space-4); }

.prose-section h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--c-fg);
  margin-bottom: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 2px solid var(--c-border);
}
.prose-section h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  color: var(--c-fg);
  margin-top: var(--space-2);
  margin-bottom: var(--space-1);
}
.prose-section p { font-size: 0.95rem; color: var(--c-muted); line-height: 1.75; margin-bottom: var(--space-2); }
.prose-section ul { padding-left: var(--space-3); list-style: disc; margin-bottom: var(--space-2); }
.prose-section ul li { font-size: 0.95rem; color: var(--c-muted); line-height: 1.75; margin-bottom: 4px; }

.about-blocks {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  padding-block: var(--space-5);
}
.about-block {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: var(--space-4);
  align-items: start;
  padding-bottom: var(--space-4);
  border-bottom: 1px solid var(--c-border);
}
.about-block:last-child { border-bottom: none; padding-bottom: 0; }
.about-block-label {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-accent);
  border-bottom: 2px solid var(--c-accent);
  padding-bottom: 2px;
  display: inline-block;
  margin-bottom: var(--space-2);
}
.about-block h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2vw, 1.5rem);
  color: var(--c-fg);
  line-height: 1.3;
}
.about-block p { font-size: 0.95rem; color: var(--c-muted); line-height: 1.75; }
.about-img {
  border-radius: var(--radius-md);
  overflow: hidden;
  
  height: 100%;
  box-shadow: var(--shadow-md);
}
.about-img img { width: 100%; height: 100%; object-fit: cover; }

.site-footer { background: var(--c-dark); color: var(--c-dark-fg); padding-block: var(--space-5); }
.footer-inner {
  width: 100%;
  max-width: 1160px;
  margin-inline: auto;
  padding-inline: var(--space-4);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-4);
  padding-bottom: var(--space-4);
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { display: flex; flex-direction: column; gap: var(--space-2); }
.footer-logo  { display: flex; align-items: center; gap: var(--space-2); }
.footer-logo img { width: 32px; height: 32px; }
.footer-logo span { font-family: var(--font-display); font-weight: 700; font-size: 1rem; color: var(--c-dark-fg); }
.footer-brand p { font-size: 0.875rem; color: #9EB3CC; line-height: 1.65; max-width: 30ch; }
.footer-col h5 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--c-dark-fg);
  margin-bottom: var(--space-2);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-1); }
.footer-col ul li a { font-size: 0.875rem; color: #9EB3CC; transition: color 0.2s; }
.footer-col ul li a:hover { color: var(--c-dark-fg); }
.footer-bottom {
  padding-top: var(--space-3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.footer-bottom p { font-size: 0.8rem; color: #6B7A8D; }

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--c-dark);
  color: var(--c-dark-fg);
  z-index: 1000;
  border-top: 2px solid var(--c-accent);
  padding: var(--space-2) var(--space-4);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  flex-wrap: wrap;
}
.cookie-banner p { font-size: 0.875rem; color: #9EB3CC; }
.cookie-banner p a { color: #60A5FA; text-decoration: underline; }
.cookie-actions { display: flex; gap: var(--space-2); flex-shrink: 0; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.65em 1.5em;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 0.85rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background 0.2s, color 0.2s;
}
.btn-primary { background: var(--c-accent); color: #fff; border-color: var(--c-accent); }
.btn-primary:hover { background: var(--c-accent-h); }
.btn-ghost-light { background: transparent; color: var(--c-dark-fg); border-color: rgba(255,255,255,0.25); }
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); }

@media (min-width: 641px) and (max-width: 1024px) {
  .about-block { grid-template-columns: 1fr; gap: var(--space-2); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: var(--space-3); }
  .site-header .container { padding-inline: var(--space-3); }
  .page-main { padding-inline: var(--space-3); }
  .page-hero .container { padding-inline: var(--space-3); }
  .footer-inner { padding-inline: var(--space-3); }
}

@media (max-width: 640px) {
  .about-block { grid-template-columns: 1fr; gap: var(--space-2); }
  .footer-grid { grid-template-columns: 1fr; gap: var(--space-3); }
  .footer-bottom { flex-direction: column; align-items: flex-start; }
  .cookie-banner { flex-direction: column; align-items: flex-start; }
  .site-header .container { padding-inline: var(--space-2); }
  .page-main { padding-inline: var(--space-2); padding-block: var(--space-4); }
  .page-hero .container { padding-inline: var(--space-2); }
  .footer-inner { padding-inline: var(--space-2); }
  .about-block { padding-bottom: var(--space-3); }
  .about-blocks { gap: var(--space-3); padding-block: var(--space-4); }
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* wh-img-fill */
.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}