/* ノングソフト合同会社 サイト共通。色はドット絵ロゴの赤（#e8312f）と花の緑から取る */
:root {
  --red: #e0302e;
  --red-d: #b3211f;
  --green: #3f8f3a;
  --ink: #1f2328;
  --muted: #5b636e;
  --line: #e4e7eb;
  --bg: #ffffff;
  --bg-alt: #f6f5f2;
  --dark: #1b1d21;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Kaku Gothic ProN", "Hiragino Sans", "Noto Sans JP", "Segoe UI", Meiryo, sans-serif;
  font-size: 17px; line-height: 1.85; overflow-wrap: anywhere;
}
img { max-width: 100%; height: auto; }
a { color: var(--red-d); }
a:hover { color: var(--red); }
h1, h2, h3, h4 { line-height: 1.45; letter-spacing: .01em; }
.nb { display: inline-block; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }
.narrow { max-width: 820px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 8px; top: 8px; background: #fff; padding: 8px; z-index: 20; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ヘッダー */
.site-header { background: #fff; border-bottom: 3px solid var(--red); position: sticky; top: 0; z-index: 10; }
.header-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; color: var(--ink); }
.brand img { width: 150px; image-rendering: pixelated; }
.brand span { font-size: 13px; color: var(--muted); font-weight: 700; white-space: nowrap; }
.menu-btn { display: inline-flex; flex-direction: column; gap: 5px; background: none; border: 0; padding: 10px; cursor: pointer; }
.menu-btn .bar { width: 24px; height: 2px; background: var(--ink); display: block; }
.site-nav { display: none; position: absolute; left: 0; right: 0; top: 100%; background: #fff; border-bottom: 1px solid var(--line); padding: 8px 16px 16px; }
.site-nav.open { display: block; }
.site-nav ul { list-style: none; margin: 0; padding: 0; }
.site-nav li a { display: block; padding: 10px 4px; text-decoration: none; color: var(--ink); font-weight: 700; border-bottom: 1px solid var(--line); }
.site-nav a[aria-current] { color: var(--red); }
.site-nav .lang { display: inline-block; margin-top: 12px; font-size: 14px; border: 1px solid var(--line); border-radius: 999px; padding: 4px 14px; text-decoration: none; color: var(--muted); }

/* ボタン */
.btn { display: inline-block; text-decoration: none; font-weight: 700; border-radius: 6px; padding: 12px 26px; line-height: 1.4; transition: background .15s, transform .1s; }
.btn-primary { background: var(--red); color: #fff; }
.btn-primary:hover { background: var(--red-d); color: #fff; }
.btn-ghost { border: 2px solid var(--ink); color: var(--ink); }
.btn-ghost:hover { background: var(--ink); color: #fff; }
.btn-lg { font-size: clamp(18px, 4.6vw, 22px); padding: 16px 32px; }
.btn:focus-visible { outline: 3px solid var(--green); outline-offset: 3px; }

/* 共通セクション */
.sec { padding: 56px 0; }
.sec-alt { background: var(--bg-alt); }
.eyebrow { color: var(--red); font-weight: 800; font-size: 13px; letter-spacing: .18em; margin: 0 0 4px; }
.sec h2, .contact h2 { font-size: clamp(24px, 5.8vw, 34px); margin: 0 0 16px; }

/* トップ: ヒーロー */
.hero { padding: 40px 0 48px; background: linear-gradient(180deg, #fff 0%, var(--bg-alt) 100%); }
.hero-grid { display: grid; gap: 28px; align-items: center; }
.hero h1 { font-size: clamp(28px, 7vw, 46px); margin: 0 0 16px; }
.hero .lead { color: var(--muted); font-size: 17px; max-width: 34em; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 20px; }
.hero-photo { margin: 0; }
.hero-photo img { display: block; width: 100%; border-radius: 14px; box-shadow: 0 16px 40px rgba(0, 0, 0, .15); }

.why { display: grid; gap: 28px; align-items: center; }
.why img { border-radius: 14px; width: 100%; }
.since { background: var(--bg-alt); border-left: 4px solid var(--green); padding: 12px 16px; border-radius: 0 8px 8px 0; }

.services { display: grid; gap: 14px; margin-top: 24px; }
.svc { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: 22px; }
.svc svg { width: 40px; height: 40px; color: var(--red); }
.svc h3 { margin: 8px 0 6px; font-size: 20px; }
.svc p { margin: 0; color: var(--muted); font-size: 16px; }

.brands { display: grid; gap: 14px; margin-top: 24px; }
.brand-card { display: block; text-decoration: none; color: var(--ink); border: 2px solid var(--line); border-radius: 14px; padding: 22px; transition: border-color .15s, transform .15s; }
.brand-card:hover { border-color: var(--red); transform: translateY(-2px); color: var(--ink); }
.brand-card .tag { display: inline-block; font-size: 13px; font-weight: 700; color: #fff; background: var(--green); border-radius: 999px; padding: 2px 12px; }
.brand-card strong { display: block; font-size: 22px; margin: 10px 0 4px; }
.brand-card span:last-child { color: var(--muted); font-size: 16px; }

.faq details { background: #fff; border: 1px solid var(--line); border-radius: 10px; margin-bottom: 10px; }
.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; }
.faq details p { margin: 0; padding: 0 16px 14px; color: var(--muted); }

.contact { background: var(--dark); color: #fff; padding: 56px 0; text-align: center; }
.contact p { color: #c9ced6; }

/* 通常ページ */
.main-page { max-width: 820px; margin: 0 auto; padding: 40px 16px 64px; }
.main-page h1 { font-size: clamp(26px, 6.4vw, 38px); margin: 0 0 24px; border-bottom: 3px solid var(--red); padding-bottom: 8px; }
.main-page h2 { font-size: 24px; margin-top: 2em; }
.main-page img { border-radius: 10px; }
.main-page pre { background: #20242b; color: #e6e9ef; padding: 16px; border-radius: 10px; overflow-x: auto; font-size: 14px; line-height: 1.6; }
.main-page code { font-family: Consolas, "SFMono-Regular", Menlo, monospace; }
.main-page :not(pre) > code { background: var(--bg-alt); padding: 1px 6px; border-radius: 4px; }
.main-page table { border-collapse: collapse; width: 100%; display: block; overflow-x: auto; }
.main-page th, .main-page td { border: 1px solid var(--line); padding: 8px 10px; }

/* 実績 */
.results { display: grid; gap: 16px; }
.result { display: grid; grid-template-columns: 72px 1fr; gap: 16px; border: 1px solid var(--line); border-radius: 14px; padding: 20px; }
.result-pic img { width: 72px; height: 72px; border-radius: 0; }
.result.no-pic { grid-template-columns: 1fr; }
.result h3 { margin: 0 0 4px; font-size: 19px; }
.result .period { margin: 0 0 8px; color: var(--green); font-weight: 700; font-size: 15px; }
.result p { margin: 0 0 .6em; font-size: 16px; }
.result ul { margin: 0 0 .6em; padding-left: 1.2em; font-size: 16px; }

/* ブログ */
.post-list { list-style: none; padding: 0; margin: 0; }
.post-list a { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 14px 4px; border-bottom: 1px solid var(--line); text-decoration: none; color: var(--ink); }
.post-list a:hover span { color: var(--red); }
.post-list time { color: var(--muted); font-size: 15px; }
.post-date { color: var(--muted); margin: 0; }
.post h1 { margin-top: 4px; }
.back { margin-top: 40px; }

/* LP（ノングNAS など） */
.main-lp { max-width: 900px; margin: 0 auto; padding: 32px 16px 64px; }

/* フッター */
.site-footer { background: #111317; color: #b7bdc6; padding: 40px 0 20px; font-size: 15px; }
.footer-grid { display: grid; gap: 20px; }
.footer-grid p { margin: 0 0 4px; }
.footer-flower { image-rendering: pixelated; }
.footer-name { color: #fff; font-weight: 700; }
.footer-name span { color: #8a919c; font-weight: 400; font-size: 13px; }
.site-footer a { color: #fff; }
.footer-links { list-style: none; margin: 0; padding: 0; }
.footer-links li { margin-bottom: 6px; }
.copy { text-align: center; margin: 28px 0 0; font-size: 13px; color: #7c838e; }

@media (min-width: 860px) {
  .menu-btn { display: none; }
  .site-nav { display: flex; align-items: center; gap: 20px; position: static; padding: 0; border: 0; background: none; }
  .site-nav ul { display: flex; gap: 20px; }
  .site-nav li a { border: 0; padding: 6px 0; font-size: 15px; }
  .site-nav li a:hover { color: var(--red); }
  .site-nav .lang { margin-top: 0; }
  .brand img { width: 190px; }
  .hero { padding: 72px 0 80px; }
  .hero-grid { grid-template-columns: 1.05fr .95fr; gap: 48px; }
  .why { grid-template-columns: .9fr 1.1fr; gap: 48px; }
  .services { grid-template-columns: repeat(3, 1fr); gap: 18px; }
  .brands { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; }
  .sec { padding: 80px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
  .result { grid-template-columns: 96px 1fr; gap: 24px; padding: 24px; }
  .result-pic img { width: 96px; height: 96px; }
}