:root {
  --theme: #ffbb00;
  --theme-dark: #7a5700;
  --theme-deep: #3f2c00;
  --theme-light: #fff8dc;
  --theme-soft: #fff0b3;
  --theme-accent: #ffd65a;
  --theme-hover: #e5a700;
  --theme-border: rgba(122, 87, 0, .22);
  --header-bg: #4d3600;
  --header-bg-2: #6a4a00;
  --text-main: #2f270f;
  --text-muted: #6d6040;
  --on-theme: #241800;
  --on-header: #fffaf0;
  --on-dark: #fff8e4;
  --white: #ffffff;
  --shadow-soft: 0 18px 50px rgba(78, 55, 0, .15);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: linear-gradient(180deg, var(--theme-light) 0, #fffdf6 30%, var(--theme-light) 100%);
  color: var(--text-main);
  font-family: Arial, Helvetica, sans-serif;
  line-height: 1.7;
  overflow-x: hidden;
}
a { color: var(--theme-dark); text-decoration: none; }
a:hover { color: var(--theme-hover); }
img { max-width: 100%; }
button, a { -webkit-tap-highlight-color: transparent; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 9999;
  background: linear-gradient(180deg, var(--header-bg) 0%, var(--header-bg-2) 100%);
  color: var(--on-header);
  box-shadow: var(--shadow-soft);
  border-bottom: 1px solid var(--theme-border);
}
.header-inner {
  width: min(1280px, calc(100% - 48px));
  min-height: 86px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr) auto;
  align-items: center;
  gap: 24px;
}
.site-logo { display: inline-flex; align-items: center; }
.site-logo img {
  max-width: 190px;
  max-height: 72px;
  width: auto;
  height: auto;
  object-fit: contain;
  display: block;
}
.desktop-nav { display: flex; align-items: center; justify-content: center; gap: 18px; min-width: 0; }
.nav-link { position: relative; color: var(--on-header); font-size: 14px; font-weight: 700; white-space: nowrap; padding: 31px 0 28px; }
.nav-link:hover { color: var(--theme-accent); }
.nav-link.is-active::after { content: ''; position: absolute; left: 0; right: 0; bottom: 16px; height: 3px; border-radius: 999px; background: var(--theme-accent); }
.header-actions { display: flex; align-items: center; justify-content: flex-end; }
.main-btn, .header-login {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 18px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.2);
  background: linear-gradient(180deg, var(--theme-accent) 0%, var(--theme) 48%, var(--theme-dark) 100%);
  color: var(--on-theme);
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(0,0,0,.16);
  transition: transform .2s ease, filter .2s ease;
}
.main-btn:hover, .header-login:hover { color: var(--on-theme); transform: translateY(-1px); filter: brightness(1.03); }
.mobile-menu-toggle { display: none; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.24); border-radius: 12px; background: rgba(255,255,255,.08); align-items: center; justify-content: center; flex-direction: column; gap: 5px; }
.mobile-menu-toggle span { width: 20px; height: 2px; background: var(--on-header); border-radius: 2px; }
.mobile-drawer { position: fixed; top: 0; left: 0; width: 82%; max-width: 320px; height: 100vh; transform: translateX(-100%); transition: transform .28s ease; z-index: 10001; background: linear-gradient(180deg, var(--header-bg) 0%, var(--header-bg-2) 100%); color: var(--on-header); padding: 22px; box-shadow: 20px 0 45px rgba(0,0,0,.24); }
.mobile-drawer.is-open { transform: translateX(0); }
.drawer-overlay { position: fixed; inset: 0; opacity: 0; visibility: hidden; z-index: 10000; background: rgba(33,24,0,.46); transition: opacity .25s ease, visibility .25s ease; }
.drawer-overlay.is-open { opacity: 1; visibility: visible; }
body.menu-open { overflow: hidden; }
.drawer-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 24px; }
.drawer-logo img { width: auto; height: auto; max-width: 150px; max-height: 56px; object-fit: contain; }
.drawer-close { width: 42px; height: 42px; border-radius: 12px; border: 1px solid rgba(255,255,255,.25); background: rgba(255,255,255,.08); color: var(--on-header); font-size: 28px; line-height: 1; }
.drawer-nav { display: grid; gap: 6px; }
.drawer-link { color: var(--on-header); border-radius: 12px; padding: 11px 13px; font-weight: 700; }
.drawer-link:hover, .drawer-link.is-active { color: var(--on-header); background: rgba(255,214,90,.18); }

.section { padding: 68px 0; }
.section-inner { width: min(1280px, calc(100% - 80px)); margin-left: auto; margin-right: auto; }
.section-kicker, .hero-badge, .page-badge { display: inline-flex; align-items: center; gap: 8px; color: var(--theme-dark); background: var(--theme-soft); border: 1px solid var(--theme-border); border-radius: 999px; padding: 7px 12px; font-size: 13px; font-weight: 800; letter-spacing: .02em; }
.section-title { margin: 14px 0 12px; font-size: clamp(30px, 3vw, 44px); line-height: 1.15; color: var(--theme-dark); }
.section-lead { max-width: 880px; margin: 0; color: var(--text-muted); font-size: 18px; }

.hero-section { min-height: 620px; display: flex; align-items: center; padding: 58px 0 46px; background: linear-gradient(135deg, var(--theme-light) 0%, #fffdf3 48%, var(--theme-soft) 100%); border-bottom: 1px solid var(--theme-border); }
.hero-inner { width: min(1280px, calc(100% - 80px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(360px, .95fr); align-items: center; gap: 56px; }
.hero-content h1 { font-size: clamp(42px, 4.2vw, 64px); line-height: 1.08; letter-spacing: -.03em; margin: 16px 0 22px; color: var(--theme-dark); max-width: 820px; }
.hero-content p { max-width: 760px; font-size: 18px; line-height: 1.8; color: var(--text-main); }
.hero-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 26px; }
.hero-tags span, .hero-tags a { display: inline-flex; border: 1px solid var(--theme-border); background: var(--theme-soft); color: var(--theme-dark); padding: 8px 13px; border-radius: 999px; font-weight: 700; }
.hero-visual { display: flex; align-items: center; justify-content: center; }
.hero-media-box { width: min(100%, 540px); min-height: 320px; max-height: 420px; padding: 34px; display: flex; align-items: center; justify-content: center; overflow: visible; border-radius: 32px; background: linear-gradient(145deg, rgba(255,255,255,.92), var(--theme-soft)); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); }
.hero-media-box img { max-width: 70%; max-height: 340px; width: auto; height: auto; object-fit: contain; opacity: 1; }

.info-section { padding-top: 42px; padding-bottom: 42px; }
.info-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 18px; }
.info-card, .content-card, .service-card, .feedback-card, .faq-item, .topic-card { background: var(--white); border: 1px solid var(--theme-border); border-radius: 24px; box-shadow: 0 12px 30px rgba(84,59,0,.08); }
.info-card { padding: 25px; min-height: 210px; border-top: 5px solid var(--theme); }
.info-card > span { display: inline-grid; place-items: center; width: 40px; height: 40px; border-radius: 12px; background: var(--theme-soft); color: var(--theme-dark); font-weight: 900; margin-bottom: 14px; }
.info-card h2, .content-card h3, .service-card h3, .topic-card h3 { color: var(--theme-dark); margin-top: 0; }
.info-card p, .content-card p, .service-card p, .topic-card p { color: var(--text-muted); margin-bottom: 0; }

.category-section { padding-top: 18px; padding-bottom: 50px; }
.category-pills { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
.category-pills a { border: 1px solid var(--theme-border); background: var(--white); color: var(--theme-dark); border-radius: 999px; padding: 10px 16px; font-weight: 800; box-shadow: 0 6px 18px rgba(84,59,0,.07); }
.category-pills a:hover { background: var(--theme); color: var(--on-theme); border-color: var(--theme); }

.category-grid, .content-grid, .service-grid, .feedback-grid, .topic-grid { display: grid; gap: 20px; }
.category-grid { grid-template-columns: repeat(4, minmax(0,1fr)); }
.content-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.service-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.feedback-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.topic-grid { grid-template-columns: repeat(3, minmax(0,1fr)); }
.content-card, .service-card, .feedback-card, .topic-card { padding: 24px; }
.card-number { color: var(--theme-dark); background: var(--theme-soft); border: 1px solid var(--theme-border); border-radius: 10px; padding: 5px 8px; font-weight: 900; display: inline-flex; margin-bottom: 14px; }
.card-link { display: inline-flex; margin-top: 14px; font-weight: 800; color: var(--theme-dark); }

.split-section { padding: 72px 0; }
.split-grid { display: grid; grid-template-columns: minmax(0,1fr) minmax(360px,.86fr); gap: 46px; align-items: center; }
.split-grid.reverse .split-copy { order: 2; }
.split-grid.reverse .media-box { order: 1; }
.split-copy h2 { margin: 12px 0 18px; color: var(--theme-dark); font-size: clamp(30px, 3vw, 44px); line-height: 1.15; }
.split-copy p { color: var(--text-main); }
.check-list { display: grid; gap: 10px; padding: 0; margin: 20px 0 0; list-style: none; }
.check-list li { position: relative; padding-left: 26px; color: var(--text-main); }
.check-list li::before { content: '✓'; position: absolute; left: 0; top: 0; color: var(--theme-dark); font-weight: 900; }
.media-box, .app-visual, .card-media { display: flex; align-items: center; justify-content: center; overflow: visible; min-height: 300px; border-radius: 28px; background: linear-gradient(145deg, var(--white), var(--theme-soft)); border: 1px solid var(--theme-border); box-shadow: var(--shadow-soft); padding: 30px; }
.media-box img, .app-visual img, .card-media img { max-width: 100%; max-height: 330px; width: auto; height: auto; object-fit: contain; }

.page-hero { padding: 64px 0 42px; background: linear-gradient(135deg, var(--theme-light), #fffdf7 54%, var(--theme-soft)); border-bottom: 1px solid var(--theme-border); }
.page-hero-grid { width: min(1280px, calc(100% - 80px)); margin: 0 auto; display: grid; grid-template-columns: minmax(0,1.1fr) minmax(320px,.7fr); gap: 46px; align-items: center; }
.page-hero h1 { margin: 14px 0 18px; color: var(--theme-dark); font-size: clamp(40px, 4vw, 60px); line-height: 1.08; }
.page-hero p { font-size: 18px; color: var(--text-main); }
.page-hero .media-box { min-height: 260px; }
.page-hero .media-box img { max-height: 280px; }

.article-section { padding: 56px 0; }
.article-section.alt { background: rgba(255,240,179,.38); border-top: 1px solid var(--theme-border); border-bottom: 1px solid var(--theme-border); }
.article-copy { max-width: 980px; }
.article-copy h2 { color: var(--theme-dark); font-size: clamp(28px, 2.8vw, 40px); line-height: 1.2; margin: 10px 0 18px; }
.article-copy p { margin: 0 0 16px; color: var(--text-main); }
.article-points { display: grid; grid-template-columns: repeat(2,minmax(0,1fr)); gap: 14px; margin-top: 24px; }
.point-card { background: var(--white); border: 1px solid var(--theme-border); border-radius: 20px; padding: 20px; }
.point-card strong { color: var(--theme-dark); display: block; margin-bottom: 5px; }

.faq-list { display: grid; gap: 14px; margin-top: 26px; }
.faq-item { padding: 22px 24px; background: linear-gradient(145deg, var(--white), var(--theme-soft)); }
.faq-item h3 { color: var(--theme-dark); margin: 0 0 9px; font-size: 19px; }
.faq-item p { margin: 0; color: var(--text-main); }
.feedback-card p { margin: 0; color: var(--text-main); }
.feedback-card strong { display: block; margin-top: 14px; color: var(--theme-dark); }

.notice { border: 1px solid var(--theme-border); border-left: 6px solid var(--theme); background: var(--theme-soft); border-radius: 22px; padding: 24px; color: var(--text-main); }
.notice h2, .notice h3 { color: var(--theme-dark); margin-top: 0; }
.notice p:last-child { margin-bottom: 0; }
.related-nav { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; }
.related-nav a { display: inline-flex; border-radius: 999px; background: var(--white); border: 1px solid var(--theme-border); color: var(--theme-dark); padding: 9px 14px; font-weight: 800; }
.related-nav a:hover { background: var(--theme); color: var(--on-theme); }

.footer { background: linear-gradient(180deg, var(--theme-dark) 0%, var(--theme-deep) 100%); color: var(--on-dark); }
.footer-inner { width: min(1280px, calc(100% - 80px)); margin: 0 auto; padding: 58px 0 40px; display: grid; grid-template-columns: 1.4fr repeat(3, 1fr); gap: 36px; }
.footer-brand img { max-width: 180px; max-height: 70px; width: auto; height: auto; object-fit: contain; margin-bottom: 16px; }
.footer p { color: rgba(255,248,228,.85); }
.footer h2 { color: var(--on-dark); font-size: 16px; margin: 0 0 14px; }
.footer-col { display: grid; align-content: start; gap: 8px; }
.footer a { color: var(--on-dark); }
.footer a:hover { color: var(--theme-accent); }
.footer-notice { border-top: 1px solid rgba(255,255,255,.12); padding: 22px 0 30px; }
.footer-notice strong { color: var(--theme-accent); }
.footer-notice p { margin: 7px 0 0; }

@media (max-width: 1180px) {
  .desktop-nav { gap: 12px; }
  .nav-link { font-size: 13px; }
  .header-inner { grid-template-columns: 160px minmax(0,1fr) auto; gap: 15px; }
  .site-logo img { max-width: 160px; }
}
@media (max-width: 1023px) {
  .desktop-nav { display: none; }
  .mobile-menu-toggle { display: flex; }
  .header-inner { width: min(100% - 28px, 1280px); min-height: 72px; grid-template-columns: 48px minmax(0,1fr) auto; gap: 12px; }
  .site-logo { justify-self: center; }
  .site-logo img { max-width: 150px; max-height: 54px; }
  .hero-inner, .page-hero-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-section { min-height: auto; }
  .hero-visual { justify-content: flex-start; }
  .hero-media-box { width: 100%; }
  .info-grid, .category-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .content-grid, .service-grid, .feedback-grid, .topic-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .split-grid, .split-grid.reverse { grid-template-columns: 1fr; }
  .split-grid.reverse .split-copy, .split-grid.reverse .media-box { order: initial; }
  .footer-inner { grid-template-columns: repeat(2,minmax(0,1fr)); }
}
@media (max-width: 767px) {
  .header-inner { width: min(100% - 20px, 1280px); grid-template-columns: 44px minmax(0,1fr) auto; gap: 8px; }
  .site-logo img { max-width: min(120px, 36vw); max-height: 48px; }
  .header-actions .main-btn { padding: 8px 12px; font-size: 13px; min-height: 40px; }
  .section, .split-section, .article-section { padding: 46px 0; }
  .section-inner, .hero-inner, .page-hero-grid, .footer-inner { width: min(100% - 32px, 1280px); }
  .hero-section { padding: 44px 0 34px; }
  .hero-content h1, .page-hero h1 { font-size: clamp(36px, 10vw, 50px); }
  .hero-content p, .page-hero p { font-size: 16px; }
  .hero-media-box { min-height: 250px; padding: 24px; }
  .hero-media-box img { max-height: 240px; }
  .info-grid, .category-grid, .content-grid, .service-grid, .feedback-grid, .topic-grid, .article-points, .footer-inner { grid-template-columns: 1fr; }
  .info-card { min-height: auto; }
  .footer-inner { gap: 26px; }
}