/* N web works — 色と文字はロゴに合わせる（濃紺・青・水色、Outfit） */
:root {
  --navy: #13264d;
  --navy-2: #1d3566;
  --blue: #2563eb;
  --sky: #38bdf8;
  --ink: #1b2a47;
  --sub: #4b5b78;
  --line: #dde3ec;
  --bg: #f3f5f9;
  --pale: #eaf1fe;
  --white: #fff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(19, 38, 77, 0.06), 0 8px 24px rgba(19, 38, 77, 0.06);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: "Outfit", "Noto Sans JP", -apple-system, BlinkMacSystemFont, "Hiragino Sans", sans-serif;
  color: var(--ink);
  background: var(--white);
  line-height: 1.8;
  font-feature-settings: "palt";
}
img, svg { display: block; max-width: 100%; }
a { color: var(--blue); }
h1, h2, h3 { color: var(--navy); line-height: 1.4; margin: 0; }
p { margin: 0; }
.wrap { max-width: 1080px; margin: 0 auto; padding: 0 max(20px, env(safe-area-inset-left)); }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ---- ヘッダー ---- */
.site-header {
  position: sticky; top: 0; z-index: 30; background: rgba(255, 255, 255, 0.96);
  backdrop-filter: saturate(1.4) blur(8px); border-bottom: 1px solid var(--line);
  padding-top: env(safe-area-inset-top);
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--navy); }
.wm { font-family: "Outfit", sans-serif; font-size: 21px; line-height: 1; letter-spacing: 0.01em; white-space: nowrap; }
.wm b { font-weight: 700; margin-right: 6px; }
.wm span { font-weight: 500; }
.gnav { display: flex; gap: 22px; margin-left: auto; font-size: 14px; }
.gnav a { color: var(--sub); text-decoration: none; }
.gnav a:hover { color: var(--navy); }
.header-cta { display: flex; gap: 8px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: inherit; font-weight: 600;
  font-size: 15px; padding: 12px 22px; border-radius: 999px; border: 1.5px solid var(--navy); background: var(--navy);
  color: #fff; text-decoration: none; cursor: pointer; transition: background .15s, border-color .15s, transform .15s;
}
.btn:hover { background: var(--blue); border-color: var(--blue); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: #fff; color: var(--navy); border-color: var(--line); }
.btn.ghost:hover { border-color: var(--navy); background: #fff; }
.btn.sm { font-size: 13px; padding: 8px 14px; }
.btn.lg { font-size: 17px; padding: 15px 30px; }
.menu-btn { display: none; }

/* ---- ファーストビュー ---- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f7f9fd 0%, #fff 100%); }
.hero .wrap { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; padding-top: 72px; padding-bottom: 80px; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; font-size: 13px; font-weight: 600; color: var(--blue); background: var(--pale); padding: 6px 12px; border-radius: 999px; }
.eyebrow::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--sky); }
.hero h1 { font-size: clamp(30px, 4.6vw, 48px); margin: 18px 0 18px; letter-spacing: 0.01em; font-weight: 700; }
.hero h1 em { font-style: normal; background: linear-gradient(transparent 62%, #cfe0ff 62%); }
.hero .lead { font-size: 17px; color: var(--sub); max-width: 34em; }
.hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 20px; margin: 26px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--sub); }
.hero-points li::before { content: "✓"; color: var(--blue); font-weight: 700; margin-right: 6px; }
.hero-art { position: relative; }
.mock {
  background: #fff; border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 30px 60px rgba(19, 38, 77, 0.14);
  padding: 18px; transform: rotate(-1.5deg);
}
.mock-top { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; }
.mock-top i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); display: block; }
.mock-top span { margin-left: auto; font-size: 11px; color: var(--sub); }
.mock-kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.mock-kpi { border: 1px solid var(--line); border-top: 3px solid var(--blue); border-radius: 10px; padding: 10px 12px; }
.mock-kpi small { display: block; font-size: 11px; color: var(--sub); }
.mock-kpi strong { font-size: 22px; color: var(--navy); }
.mock-kpi em { font-style: normal; font-size: 11px; color: #15803d; }
.mock-bars { display: flex; align-items: flex-end; gap: 4px; height: 92px; margin: 14px 0 12px; border-bottom: 1px solid var(--line); }
.mock-bars b { flex: 1; background: linear-gradient(180deg, var(--blue), #4f86f2); border-radius: 3px 3px 0 0; }
.mock-inq { display: flex; align-items: center; gap: 8px; font-size: 12px; padding: 8px 0; border-top: 1px solid var(--line); }
.mock-inq .tag { font-size: 10px; padding: 1px 7px; border-radius: 99px; background: #fde8e9; color: #c2262e; }
.mock-inq .tag.ok { background: var(--pale); color: var(--blue); }
.hero-badge {
  position: absolute; left: -18px; top: -18px; background: var(--navy); color: #fff; border-radius: 14px;
  padding: 12px 16px; font-size: 13px; box-shadow: var(--shadow);
}
.hero-badge strong { display: block; font-size: 20px; }

/* ---- セクション ---- */
.section { padding: 96px 0; }
.section.alt { background: var(--bg); }
.sec-head { text-align: center; margin-bottom: 48px; }
.sec-head .en { font-family: "Outfit", sans-serif; font-weight: 600; font-size: 13px; letter-spacing: 0.24em; color: var(--blue); text-transform: uppercase; }
.sec-head h2 { font-size: clamp(24px, 3.2vw, 34px); margin-top: 8px; }
.sec-head p { color: var(--sub); margin-top: 14px; }

.grid3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.card h3 { font-size: 19px; margin: 14px 0 10px; }
.card p { color: var(--sub); font-size: 15px; }
.icon { width: 48px; height: 48px; border-radius: 12px; background: var(--pale); display: grid; place-items: center; color: var(--blue); }
.icon svg { width: 26px; height: 26px; }

/* 強み */
.points { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.point { padding: 28px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.point .num { font-family: "Outfit", sans-serif; font-weight: 700; color: var(--sky); font-size: 15px; letter-spacing: 0.1em; }
.point h3 { font-size: 19px; margin: 6px 0 10px; }
.point p { color: var(--sub); font-size: 15px; }

/* 管理画面の紹介 */
.portal-intro { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.checklist { list-style: none; padding: 0; margin: 20px 0 0; display: grid; gap: 12px; }
.checklist li { display: flex; gap: 12px; align-items: flex-start; }
.checklist li::before { content: ""; flex: none; width: 22px; height: 22px; margin-top: 3px; border-radius: 50%; background: var(--blue) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12l5 5L20 7'/%3E%3C/svg%3E") center/14px no-repeat; }
.checklist strong { color: var(--navy); }
.checklist span { display: block; color: var(--sub); font-size: 14px; }

/* 料金 */
.price-note { text-align: center; margin: -24px 0 36px; }
.price-note .chip { display: inline-block; background: var(--navy); color: #fff; font-weight: 600; padding: 8px 18px; border-radius: 999px; font-size: 15px; }
.plans { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 26px; box-shadow: var(--shadow); }
.plan.featured { border: 2px solid var(--blue); }
.plan .ribbon { position: absolute; top: -13px; left: 50%; transform: translateX(-50%); background: var(--blue); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; white-space: nowrap; }
.plan h3 { font-size: 20px; }
.plan .for { color: var(--sub); font-size: 14px; margin-top: 4px; min-height: 3.4em; }
.plan .price { margin: 18px 0 4px; color: var(--navy); }
.plan .price .yen { font-family: "Outfit", sans-serif; font-size: 40px; font-weight: 700; letter-spacing: -0.01em; }
.plan .price small { font-size: 14px; color: var(--sub); margin-left: 4px; }
.plan .init { font-size: 13px; color: var(--sub); }
.plan ul { list-style: none; padding: 0; margin: 20px 0 24px; display: grid; gap: 8px; font-size: 14px; }
.plan li { display: flex; gap: 8px; }
.plan li::before { content: "✓"; color: var(--blue); font-weight: 700; }
.plan .btn { margin-top: auto; }
.options { margin-top: 28px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.options h3 { font-size: 16px; padding: 16px 22px; background: var(--pale); }
.options table { width: 100%; border-collapse: collapse; font-size: 15px; }
.options th, .options td { padding: 14px 22px; border-top: 1px solid var(--line); text-align: left; vertical-align: top; }
.options td.p { text-align: right; white-space: nowrap; font-weight: 600; color: var(--navy); }
.options td small { display: block; color: var(--sub); font-size: 13px; }
.fine { margin-top: 18px; font-size: 13px; color: var(--sub); }
.fine li { margin: 4px 0; }

/* 流れ */
.flow { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; counter-reset: step; }
.flow li { position: relative; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 22px 18px; counter-increment: step; }
.flow li::before { content: "STEP " counter(step); font-family: "Outfit", sans-serif; font-weight: 700; font-size: 12px; letter-spacing: 0.12em; color: var(--blue); }
.flow h3 { font-size: 16px; margin: 6px 0 8px; }
.flow p { font-size: 13px; color: var(--sub); }

/* FAQ */
.faq { max-width: 820px; margin: 0 auto; display: grid; gap: 12px; }
.faq details { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: 0 22px; }
.faq summary { cursor: pointer; list-style: none; padding: 18px 28px 18px 0; position: relative; font-weight: 600; color: var(--navy); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q"; font-family: "Outfit", sans-serif; color: var(--blue); margin-right: 10px; }
.faq summary::after { content: ""; position: absolute; right: 2px; top: 50%; width: 10px; height: 10px; border-right: 2px solid var(--sub); border-bottom: 2px solid var(--sub); transform: translateY(-70%) rotate(45deg); transition: transform .2s; }
.faq details[open] summary::after { transform: translateY(-30%) rotate(-135deg); }
.faq details p { padding: 0 0 20px; color: var(--sub); font-size: 15px; }

/* お問い合わせ */
.contact { display: grid; grid-template-columns: 0.8fr 1.2fr; gap: 40px; align-items: start; }
.contact-side p { color: var(--sub); }
.contact-side .login { margin-top: 28px; padding: 20px; border-radius: var(--radius); background: #fff; border: 1px solid var(--line); }
.contact-side .login h3 { font-size: 16px; }
.contact-side .login p { font-size: 14px; margin: 6px 0 14px; }
form.contact-form { background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px; box-shadow: var(--shadow); display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label, .field .label { font-size: 14px; font-weight: 600; color: var(--navy); }
.req { font-size: 11px; color: #fff; background: var(--blue); border-radius: 4px; padding: 1px 6px; margin-left: 6px; font-weight: 600; vertical-align: 1px; }
.opt { font-size: 11px; color: var(--sub); background: var(--bg); border-radius: 4px; padding: 1px 6px; margin-left: 6px; vertical-align: 1px; }
input, select, textarea { font: inherit; font-size: 16px; padding: 12px 14px; border: 1px solid #c9d2df; border-radius: 10px; background: #fff; color: var(--ink); width: 100%; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--blue); outline-offset: -1px; border-color: var(--blue); }
textarea { min-height: 150px; resize: vertical; }
.row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.agree { font-size: 14px; color: var(--sub); }
.agree input { width: auto; margin-right: 8px; accent-color: var(--blue); }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-msg { display: none; padding: 12px 14px; border-radius: 10px; font-size: 14px; }
.form-msg.err { display: block; background: #fde8e9; color: #c2262e; }
.form-msg.ok { display: block; background: var(--pale); color: var(--blue); }

/* ---- フッター ---- */
.site-footer { background: var(--navy); color: #c8d3e8; padding: 56px 0 calc(32px + env(safe-area-inset-bottom)); font-size: 14px; }
.site-footer .wrap { display: grid; grid-template-columns: 1.2fr 1fr; gap: 32px; }
.site-footer .wm { color: #fff; font-size: 22px; }
.site-footer p { margin-top: 12px; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 10px 22px; justify-content: flex-end; align-content: flex-start; }
.site-footer a { color: #fff; text-decoration: none; opacity: 0.9; }
.site-footer a:hover { opacity: 1; text-decoration: underline; }
.copy { grid-column: 1 / -1; border-top: 1px solid rgba(255, 255, 255, 0.14); padding-top: 20px; font-size: 12px; opacity: 0.8; }

/* ---- 下層ページ ---- */
.page-head { background: var(--bg); padding: 56px 0 40px; border-bottom: 1px solid var(--line); }
.page-head h1 { font-size: clamp(24px, 3.4vw, 32px); }
.page-head p { color: var(--sub); margin-top: 8px; }
.doc { max-width: 860px; margin: 0 auto; padding: 48px 20px 96px; }
.doc table { width: 100%; border-collapse: collapse; font-size: 15px; }
.doc th, .doc td { text-align: left; vertical-align: top; padding: 16px 14px; border-bottom: 1px solid var(--line); }
.doc th { width: 30%; color: var(--navy); background: #f9fafc; font-weight: 600; }
.doc h2 { font-size: 19px; margin: 36px 0 12px; }
.doc p, .doc li { color: var(--ink); }
.doc .updated { margin-top: 40px; color: var(--sub); font-size: 14px; }

/* ---- スマホ ---- */
@media (max-width: 900px) {
  .hero .wrap, .portal-intro, .contact { grid-template-columns: 1fr; }
  .hero .wrap { padding-top: 44px; padding-bottom: 72px; gap: 56px; }
  .hero-art { max-width: 460px; margin: 0 auto; width: 100%; }
  .grid3, .points, .plans { grid-template-columns: 1fr; }
  .plans { gap: 28px; }
  .flow { grid-template-columns: 1fr; }
  .section { padding: 72px 0; }
  .gnav { display: none; position: absolute; top: 100%; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--line); flex-direction: column; gap: 0; padding: 8px 20px 16px; box-shadow: var(--shadow); }
  .gnav.open { display: flex; }
  .gnav a { padding: 12px 0; font-size: 16px; border-bottom: 1px solid var(--line); }
  .menu-btn { display: inline-flex; margin-left: auto; background: none; border: 0; padding: 8px; color: var(--navy); cursor: pointer; }
  .header-cta .btn.ghost { display: none; }
  .site-footer .wrap { grid-template-columns: 1fr; }
  .site-footer nav { justify-content: flex-start; }
  .doc th { width: 36%; }
}
@media (max-width: 560px) {
  .row2 { grid-template-columns: 1fr; }
  form.contact-form { padding: 22px; }
  .wm { font-size: 19px; }
  .header-cta { display: none; }
  .doc th, .doc td { display: block; width: 100%; }
  .doc th { border-bottom: 0; padding-bottom: 6px; }
  .doc td { padding-top: 6px; }
  .hero-badge { left: 8px; top: -14px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

/* ===== 会社トップ ===== */
.corp-hero { background: radial-gradient(1200px 500px at 85% -10%, #dfeaff 0%, rgba(223,234,255,0) 60%), linear-gradient(180deg, #f7f9fd 0%, #fff 100%); }
.corp-hero .wrap { padding-top: 96px; padding-bottom: 104px; position: relative; }
.corp-hero h1 { font-size: clamp(32px, 5.4vw, 58px); font-weight: 700; letter-spacing: 0.01em; margin: 18px 0 22px; }
.corp-hero h1 em { font-style: normal; color: var(--blue); }
.corp-hero .lead { font-size: 17px; color: var(--sub); max-width: 36em; }
.corp-hero .ctas { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 32px; }
.corp-hero .mark { position: absolute; right: 20px; top: 70px; width: min(36vw, 380px); opacity: 0.95; }

.biz { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.biz-card { position: relative; display: flex; flex-direction: column; background: #fff; border: 1px solid var(--line); border-radius: 18px; padding: 30px 28px 26px; box-shadow: var(--shadow); text-decoration: none; color: inherit; transition: transform .15s, box-shadow .15s; }
.biz-card:hover { transform: translateY(-3px); box-shadow: 0 2px 4px rgba(19,38,77,.06), 0 16px 36px rgba(19,38,77,.10); }
.biz-card .num { font-family: "Outfit", sans-serif; font-weight: 600; font-size: 13px; letter-spacing: .16em; color: var(--blue); }
.biz-card h3 { font-size: 22px; margin: 10px 0 4px; }
.biz-card .en2 { font-family: "Outfit", sans-serif; font-size: 13px; color: var(--sub); letter-spacing: .04em; }
.biz-card p { color: var(--sub); font-size: 15px; margin-top: 14px; flex: 1; }
.biz-card ul { margin: 14px 0 0; padding: 0; list-style: none; font-size: 14px; color: var(--ink); }
.biz-card li { padding: 6px 0; border-top: 1px dashed var(--line); }
.biz-card li::before { content: "・"; color: var(--blue); }
.biz-card .more { margin-top: 20px; font-weight: 700; font-size: 15px; color: var(--blue); display: flex; align-items: center; gap: 6px; }
.biz-card .more::after { content: "→"; transition: transform .15s; }
.biz-card:hover .more::after { transform: translateX(3px); }
.biz-card .ext::after { content: "↗"; }
.biz-card.soro { border-top: 4px solid #df9b62; }
.biz-card.soro .num, .biz-card.soro .more { color: #c7783a; }
.biz-card.soro .soro-mark { display: inline-block; font-weight: 700; color: #fff; background: #df9b62; border-radius: 8px; padding: 2px 10px; font-size: 13px; margin-left: 8px; vertical-align: 3px; }
.biz-card.web { border-top: 4px solid var(--blue); }
.biz-card.app { border-top: 4px solid var(--sky); }

.about { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 56px; align-items: start; }
.about .sec-head { text-align: left; margin-bottom: 0; }
.about-body p + p { margin-top: 16px; }
.about-body p { font-size: 16px; }
.values { display: grid; gap: 14px; margin-top: 28px; }
.value { display: flex; gap: 16px; padding: 18px 20px; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); }
.value b { font-family: "Outfit", sans-serif; color: var(--blue); font-size: 15px; min-width: 2em; }
.value strong { display: block; color: var(--navy); }
.value span { color: var(--sub); font-size: 14px; }

.info-table { width: 100%; max-width: 860px; margin: 0 auto; border-collapse: collapse; background: #fff; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); font-size: 15px; }
.info-table th, .info-table td { text-align: left; vertical-align: top; padding: 18px 22px; border-bottom: 1px solid var(--line); }
.info-table tr:last-child th, .info-table tr:last-child td { border-bottom: 0; }
.info-table th { width: 28%; color: var(--navy); background: #f9fafc; font-weight: 600; }
.info-table ul { margin: 0; padding-left: 1.2em; }

/* ===== Webアプリ制作 ===== */
.works { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.work { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.work .label { display: inline-block; font-size: 12px; font-weight: 700; color: var(--blue); background: var(--pale); border-radius: 99px; padding: 2px 10px; }
.work h3 { font-size: 19px; margin: 12px 0 8px; }
.work p { color: var(--sub); font-size: 15px; }
.work .tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 14px; }
.work .tags span { font-size: 12px; color: var(--sub); border: 1px solid var(--line); border-radius: 99px; padding: 2px 10px; }
.cta-band { background: var(--navy); color: #fff; border-radius: 20px; padding: 44px 40px; display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.cta-band h2 { color: #fff; font-size: clamp(20px, 2.6vw, 26px); }
.cta-band p { color: #c9d4ea; margin-top: 6px; }
.cta-band .btn { background: #fff; color: var(--navy); }

@media (max-width: 900px) {
  .biz, .works { grid-template-columns: 1fr; }
  .about { grid-template-columns: 1fr; gap: 28px; }
  .corp-hero .mark { position: static; width: 120px; margin-bottom: 8px; }
  .corp-hero .wrap { padding-top: 56px; padding-bottom: 72px; }
  .info-table th { width: 34%; }
  .info-table th, .info-table td { padding: 14px 14px; }
  .cta-band { padding: 32px 24px; }
}
.cta-band .btn:hover { background: var(--pale); border-color: var(--pale); color: var(--navy); }
.brand-sub { font-size: 12px; font-weight: 600; color: var(--blue); border-left: 1px solid var(--line); padding-left: 10px; margin-left: 2px; white-space: nowrap; }
@media (max-width: 560px) { .brand-sub { display: none; } }