* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Noto Sans JP', sans-serif; color: #333; background: #fff; font-weight: 300; }
nav {
  position: sticky; top: 0; z-index: 100;
  background: #fff; border-bottom: 1px solid #eee;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 32px; height: 64px;
}
.nav-logo img { height: 44px; width: auto; }
.nav-links { display: flex; list-style: none; }
.nav-links a { display: block; padding: 0 14px; line-height: 64px; font-size: 13px; text-decoration: none; color: #555; transition: color .2s; }
.nav-links a:hover, .nav-links a.active { color: #e07044; }
h2 { font-size: 20px; font-weight: 500; color: #333; margin-bottom: 20px; line-height: 1.7; text-align: center; }
h3 { font-size: 16px; font-weight: 500; color: #444; margin-bottom: 10px; }
p { font-size: 14px; line-height: 2; color: #555; }
.btn { display: inline-block; background: #e07044; color: #fff; padding: 12px 36px; font-size: 14px; text-decoration: none; border-radius: 2px; transition: background .2s; }
.btn:hover { background: #c05a30; }
.btn-outline { display: inline-block; border: 1px solid #e07044; color: #e07044; padding: 10px 28px; font-size: 13px; text-decoration: none; border-radius: 2px; transition: all .2s; }
.btn-outline:hover { background: #e07044; color: #fff; }
footer { background: #333; color: #ccc; padding: 40px 20px 24px; }
.footer-inner { max-width: 900px; margin: 0 auto; display: grid; grid-template-columns: 2fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-about img { height: 36px; filter: brightness(0) invert(1); margin-bottom: 12px; display: block; }
.footer-about p { font-size: 13px; line-height: 2; color: #aaa; }
.footer-links { margin-top: 12px; font-size: 12px; }
.footer-links a { color: #888; text-decoration: none; margin-right: 16px; }
.footer-links a:hover { color: #e07044; }
.footer-contact h4 { font-size: 13px; color: #fff; margin-bottom: 12px; font-weight: 400; }
.footer-contact p { font-size: 13px; color: #aaa; margin-bottom: 6px; }
.footer-contact a { color: #aaa; text-decoration: none; }
.footer-contact a:hover { color: #e07044; }
.footer-bottom { border-top: 1px solid #444; padding-top: 20px; font-size: 12px; color: #888; text-align: center; max-width: 900px; margin: 0 auto; }
.page-wrap { max-width: 900px; margin: 0 auto; padding: 60px 20px; }
.section-bg { background: #f7f7f7; padding: 60px 20px; }
.form-group { margin-bottom: 14px; }
.form-group label { display: block; font-size: 13px; color: #666; margin-bottom: 5px; }
.form-group input, .form-group textarea { width: 100%; padding: 10px 12px; border: 1px solid #ddd; font-family: inherit; font-size: 14px; color: #333; outline: none; transition: border-color .2s; border-radius: 2px; }
.form-group input:focus, .form-group textarea:focus { border-color: #e07044; }
.form-group textarea { height: 120px; resize: vertical; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.btn-submit { width: 100%; padding: 14px; background: #333; color: #fff; border: none; font-family: inherit; font-size: 14px; cursor: pointer; border-radius: 2px; transition: background .2s; margin-top: 6px; }
.btn-submit:hover { background: #e07044; }
@media (max-width: 680px) {
  nav { padding: 8px 10px; height: auto; flex-wrap: wrap; }
  .nav-links { display: flex; flex-wrap: wrap; width: 100%; border-top: 1px solid #eee; padding: 6px 0; }
  .nav-links a { padding: 4px 8px; line-height: 2; font-size: 12px; }
  .footer-inner { grid-template-columns: 1fr; gap: 24px; }
  .form-row { grid-template-columns: 1fr; }
}