/* ==========================================================
   Norihiro&Company合同会社  共通スタイル
   ========================================================== */

:root {
  --navy-900: #0b1f3a;
  --navy-800: #12294b;
  --navy-700: #1b3a66;
  --navy-500: #2f5a94;
  --accent:   #3d7bd9;
  --gray-900: #1f2328;
  --gray-700: #4a5260;
  --gray-500: #7a8291;
  --gray-200: #e3e7ed;
  --gray-100: #f3f5f8;
  --white:    #ffffff;

  --font: "Noto Sans JP", "Hiragino Kaku Gothic ProN", "Hiragino Sans", Meiryo, sans-serif;
  --font-en: "Inter", "Noto Sans JP", sans-serif;

  --container: 1080px;
  --radius: 6px;
  --header-h: 72px;
}

*,
*::before,
*::after { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.85;
  color: var(--gray-900);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy-500); }
a:hover { color: var(--accent); }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--gray-200);
  backdrop-filter: blur(6px);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
  text-decoration: none;
  color: var(--navy-900);
}
.logo:hover { color: var(--navy-900); }
.logo-main {
  font-family: var(--font-en);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
}
.logo-main span { color: var(--accent); }
.logo-sub {
  font-size: 11px;
  color: var(--gray-500);
  letter-spacing: 0.08em;
}

.global-nav ul {
  display: flex;
  gap: 36px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.global-nav a {
  position: relative;
  font-size: 15px;
  font-weight: 500;
  color: var(--gray-900);
  text-decoration: none;
  padding: 6px 0;
}
.global-nav a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s;
}
.global-nav a:hover::after,
.global-nav a[aria-current="page"]::after { width: 100%; }
.global-nav a[aria-current="page"] { color: var(--navy-700); }

.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 0;
  background: transparent;
  cursor: pointer;
  padding: 10px;
}
.nav-toggle span {
  display: block;
  height: 2px;
  background: var(--navy-900);
  margin: 5px 0;
  transition: transform 0.25s, opacity 0.25s;
}
.nav-open .nav-toggle span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-open .nav-toggle span:nth-child(2) { opacity: 0; }
.nav-open .nav-toggle span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Hero (トップ) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  color: var(--white);
  background:
    radial-gradient(circle at 85% 20%, rgba(61, 123, 217, 0.35), transparent 45%),
    linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  padding: 140px 0 150px;
}
.hero::before {
  /* うっすらとしたグリッド模様（クラウド／設計図のイメージ） */
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.05) 1px, transparent 1px);
  background-size: 48px 48px;
  mask-image: linear-gradient(to bottom, #000 40%, transparent);
  -webkit-mask-image: linear-gradient(to bottom, #000 40%, transparent);
}
.hero .container { position: relative; }
.hero-label {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.25em;
  color: #9fc0ef;
  margin: 0 0 20px;
}
.hero h1 {
  font-size: clamp(32px, 5.2vw, 54px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: 0.04em;
  margin: 0 0 28px;
}
.hero p.lead {
  max-width: 600px;
  font-size: 17px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0 0 44px;
}

/* ---------- Page header（下層ページ） ---------- */
.page-header {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-700) 100%);
  color: var(--white);
  padding: 72px 0 64px;
}
.page-header .en {
  font-family: var(--font-en);
  font-size: 13px;
  letter-spacing: 0.25em;
  color: #9fc0ef;
  margin: 0 0 8px;
}
.page-header h1 {
  font-size: clamp(26px, 4vw, 36px);
  margin: 0;
  letter-spacing: 0.06em;
}

.breadcrumb {
  background: var(--gray-100);
  font-size: 13px;
  color: var(--gray-500);
  padding: 12px 0;
}
.breadcrumb ol {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.breadcrumb li + li::before { content: "›"; margin-right: 8px; }
.breadcrumb a { color: var(--gray-700); text-decoration: none; }

/* ---------- Sections ---------- */
.section { padding: 100px 0; }
.section.alt { background: var(--gray-100); }

.section-title { text-align: center; margin-bottom: 56px; }
.section-title .en {
  display: block;
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.25em;
  color: var(--accent);
  margin-bottom: 8px;
}
.section-title h2 {
  font-size: clamp(24px, 3.4vw, 32px);
  color: var(--navy-900);
  margin: 0;
  letter-spacing: 0.05em;
}
.section-title p {
  color: var(--gray-700);
  margin: 16px auto 0;
  max-width: 640px;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 16px 36px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.05em;
  text-decoration: none;
  transition: background 0.2s, color 0.2s, transform 0.2s;
}
.btn::after { content: "→"; transition: transform 0.2s; }
.btn:hover::after { transform: translateX(4px); }
.btn-primary { background: var(--white); color: var(--navy-900); }
.btn-primary:hover { background: #dce8fa; color: var(--navy-900); }
.btn-navy { background: var(--navy-800); color: var(--white); }
.btn-navy:hover { background: var(--navy-500); color: var(--white); }
.btn-outline {
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: var(--white);
}
.btn-outline:hover { background: rgba(255, 255, 255, 0.1); color: var(--white); }
.btn-group { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- Message / intro ---------- */
.intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.intro h3 {
  font-size: clamp(22px, 2.8vw, 28px);
  color: var(--navy-900);
  line-height: 1.6;
  margin: 0 0 24px;
}
.intro p { color: var(--gray-700); margin: 0 0 16px; }

/* 写真が入るまでの仮の画像枠 */
.img-placeholder {
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  background:
    repeating-linear-gradient(45deg, var(--gray-200) 0 2px, transparent 2px 14px),
    var(--gray-100);
  border: 1px dashed #c3cad5;
  display: grid;
  place-items: center;
  color: var(--gray-500);
  font-size: 14px;
  letter-spacing: 0.1em;
}

.intro-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(11, 31, 58, 0.15);
}

/* ---------- Cards ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.card {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 40px 32px;
  transition: box-shadow 0.25s, transform 0.25s;
}
.card:hover {
  box-shadow: 0 12px 32px rgba(11, 31, 58, 0.08);
  transform: translateY(-3px);
}
.card .num {
  font-family: var(--font-en);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
}
.card h3 {
  font-size: 19px;
  color: var(--navy-900);
  margin: 10px 0 14px;
}
.card p { font-size: 15px; color: var(--gray-700); margin: 0; }

.icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: #e8f0fc;
  color: var(--navy-500);
  display: grid;
  place-items: center;
  margin-bottom: 20px;
}
.icon svg { width: 26px; height: 26px; }

/* ---------- Service detail ---------- */
.service-block {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 48px;
  padding: 48px 0;
  border-top: 1px solid var(--gray-200);
}
.service-block:last-child { border-bottom: 1px solid var(--gray-200); }
.service-block .head .num {
  font-family: var(--font-en);
  font-size: 40px;
  font-weight: 700;
  color: var(--gray-200);
  line-height: 1;
}
.service-block .head h3 {
  font-size: 22px;
  color: var(--navy-900);
  margin: 12px 0 0;
}
.service-block .body p { color: var(--gray-700); margin: 0 0 20px; }

.check-list { list-style: none; margin: 0; padding: 0; }
.check-list li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 8px;
  color: var(--gray-900);
}
.check-list li::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 0.55em;
  width: 12px;
  height: 7px;
  border-left: 2px solid var(--accent);
  border-bottom: 2px solid var(--accent);
  transform: rotate(-45deg);
}

/* ---------- Flow ---------- */
.flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: flow;
}
.flow li {
  position: relative;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 28px 20px;
  text-align: center;
  counter-increment: flow;
}
.flow li::before {
  content: "STEP " counter(flow, decimal-leading-zero);
  display: block;
  font-family: var(--font-en);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.15em;
  color: var(--accent);
  margin-bottom: 8px;
}
.flow li strong {
  display: block;
  font-size: 17px;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.flow li span { font-size: 13px; color: var(--gray-700); line-height: 1.7; }

/* ---------- Company table ---------- */
.info-table {
  width: 100%;
  max-width: 860px;
  margin: 0 auto;
  border-collapse: collapse;
  border-top: 2px solid var(--navy-800);
}
.info-table th,
.info-table td {
  text-align: left;
  vertical-align: top;
  padding: 22px 24px;
  border-bottom: 1px solid var(--gray-200);
}
.info-table th {
  width: 220px;
  background: var(--gray-100);
  font-weight: 600;
  color: var(--navy-900);
}

/* ---------- Message (代表挨拶) ---------- */
.message {
  max-width: 820px;
  margin: 0 auto;
}
.message p { color: var(--gray-700); margin: 0 0 20px; }
.message .sign {
  text-align: right;
  margin-top: 40px;
  color: var(--gray-900);
}
.message .sign strong {
  font-size: 20px;
  margin-left: 12px;
  letter-spacing: 0.1em;
}

/* ---------- Map ---------- */
.map {
  max-width: 860px;
  margin: 48px auto 0;
  aspect-ratio: 16 / 7;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--gray-200);
}
.map iframe { width: 100%; height: 100%; border: 0; }

/* ---------- Contact ---------- */
.contact-box {
  max-width: 720px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-top: 4px solid var(--navy-800);
  border-radius: var(--radius);
  padding: 56px 48px;
  text-align: center;
}
.contact-box .label {
  font-weight: 600;
  color: var(--navy-900);
  margin: 0 0 8px;
}
.contact-box .tel {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-en);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  color: var(--navy-900);
  text-decoration: none;
  letter-spacing: 0.04em;
}
.contact-box .tel svg { width: 32px; height: 32px; color: var(--accent); }
.contact-box .note { font-size: 14px; color: var(--gray-500); margin: 12px 0 0; }

.contact-form {
  max-width: 720px;
  margin: 0 auto;
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-top: 4px solid var(--navy-800);
  border-radius: var(--radius);
  padding: 48px;
}
.form-row { margin-bottom: 24px; }
.form-row label {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
  color: var(--navy-900);
  margin-bottom: 8px;
}
.form-row .req,
.form-row .opt {
  font-size: 11px;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 3px;
  letter-spacing: 0.05em;
}
.form-row .req { background: var(--navy-800); color: var(--white); }
.form-row .opt { background: var(--gray-200); color: var(--gray-700); }
.form-row input,
.form-row textarea {
  width: 100%;
  font: inherit;
  font-size: 16px;
  color: var(--gray-900);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  padding: 12px 14px;
  transition: border-color 0.2s, background 0.2s;
}
.form-row textarea { resize: vertical; min-height: 160px; }
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  background: var(--white);
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(61, 123, 217, 0.15);
}
.form-row.invalid input,
.form-row.invalid textarea { border-color: #c0392b; background: #fdf3f2; }
.form-row .err { display: block; color: #c0392b; font-size: 13px; margin-top: 6px; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form-privacy { font-size: 13px; color: var(--gray-500); margin: 8px 0 28px; }
.form-actions { text-align: center; }
.form-actions .btn { border: 0; cursor: pointer; min-width: 240px; justify-content: center; }
.form-actions .btn:disabled { opacity: 0.6; cursor: wait; }
.form-status { text-align: center; margin: 20px 0 0; font-weight: 600; }
.form-status.ok { color: #1e7e4a; }
.form-status.ng { color: #c0392b; }
.form-alt { text-align: center; font-size: 14px; color: var(--gray-500); margin: 24px 0 0; }

.faq { max-width: 820px; margin: 0 auto; }
.faq details {
  background: var(--white);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius);
  margin-bottom: 12px;
}
.faq summary {
  cursor: pointer;
  list-style: none;
  padding: 20px 56px 20px 24px;
  font-weight: 600;
  color: var(--navy-900);
  position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::before { content: "Q."; color: var(--accent); margin-right: 10px; font-family: var(--font-en); }
.faq summary::after {
  content: "+";
  position: absolute;
  right: 24px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 22px;
  color: var(--gray-500);
}
.faq details[open] summary::after { content: "−"; }
.faq details p { margin: 0; padding: 0 24px 22px; color: var(--gray-700); }

/* ---------- CTA ---------- */
.cta {
  background: linear-gradient(135deg, var(--navy-800) 0%, var(--navy-500) 100%);
  color: var(--white);
  text-align: center;
  padding: 88px 0;
}
.cta h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 16px; letter-spacing: 0.05em; }
.cta p { color: rgba(255, 255, 255, 0.85); margin: 0 0 36px; }
.cta .btn-group { justify-content: center; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--navy-900);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 28px;
  font-size: 14px;
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}
.site-footer .logo { color: var(--white); margin-bottom: 16px; }
.site-footer .logo-sub { color: rgba(255, 255, 255, 0.55); }
.site-footer address { font-style: normal; line-height: 1.9; }
.site-footer a { color: rgba(255, 255, 255, 0.85); text-decoration: none; }
.site-footer a:hover { color: var(--white); }
.footer-nav ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.copyright {
  text-align: center;
  font-family: var(--font-en);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  margin: 24px 0 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .flow { grid-template-columns: 1fr 1fr; }
  .intro { grid-template-columns: 1fr; gap: 40px; }
  .service-block { grid-template-columns: 1fr; gap: 20px; }
}

@media (max-width: 760px) {
  :root { --header-h: 64px; }
  .container { padding: 0 16px; }
  .section { padding: 72px 0; }
  .hero { padding: 96px 0 104px; }

  .nav-toggle { display: block; }
  .global-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--gray-200);
    box-shadow: 0 12px 24px rgba(11, 31, 58, 0.08);
    display: none;
  }
  .nav-open .global-nav { display: block; }
  .global-nav ul { flex-direction: column; gap: 0; padding: 8px 16px 16px; }
  .global-nav a { display: block; padding: 14px 4px; border-bottom: 1px solid var(--gray-100); }
  .global-nav a::after { display: none; }

  .cards, .flow { grid-template-columns: 1fr; }

  .info-table th,
  .info-table td { display: block; width: 100%; }
  .info-table th { padding: 14px 16px 6px; border-bottom: 0; }
  .info-table td { padding: 6px 16px 18px; }

  .contact-box { padding: 40px 20px; }
  .contact-form { padding: 32px 20px; }
  .form-actions .btn { width: 100%; min-width: 0; }
  .map { aspect-ratio: 4 / 3; }
}