/*
Theme Name: Zeirishi Office Theme
Theme URI: https://teikitaku.jp/
Author: Freelance Developer
Description: 親しみやすく誠実な税理士事務所向けWordPressテーマ
Version: 1.0
*/

/* ==============================
   RESET & BASE
============================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --primary: #2c6e8a;
  --primary-dark: #1e5070;
  --primary-light: #e8f4f8;
  --accent: #e8a838;
  --accent-dark: #c88c20;
  --text: #2d2d2d;
  --text-mid: #555;
  --text-light: #888;
  --bg: #ffffff;
  --bg-gray: #f7f9fb;
  --bg-blue: #eef5f8;
  --border: #dde5ea;
  --radius: 12px;
  --shadow: 0 4px 20px rgba(44,110,138,0.10);
  --shadow-hover: 0 8px 32px rgba(44,110,138,0.18);
  --transition: 0.3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: 'Noto Sans JP', sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; text-decoration: none; }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==============================
   HEADER
============================== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255,255,255,0.97);
  border-bottom: 1px solid var(--border);
  transition: box-shadow var(--transition);
}
.site-header.scrolled { box-shadow: 0 2px 20px rgba(44,110,138,0.12); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}
.logo-main {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}
.logo-sub {
  font-size: 0.65rem;
  color: var(--text-light);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 32px;
}
.main-nav a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-mid);
  transition: color var(--transition);
  position: relative;
}
.main-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transition: transform var(--transition);
}
.main-nav a:hover { color: var(--primary); }
.main-nav a:hover::after { transform: scaleX(1); }

.nav-cta {
  background: var(--accent);
  color: #fff !important;
  padding: 10px 20px;
  border-radius: 50px;
  font-weight: 700 !important;
  font-size: 0.85rem !important;
  transition: background var(--transition), transform var(--transition) !important;
}
.nav-cta::after { display: none !important; }
.nav-cta:hover { background: var(--accent-dark) !important; transform: translateY(-1px); }

.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
}
.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: var(--transition);
}

/* ==============================
   HERO
============================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: 70px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #eef5f8 0%, #f0f7f0 50%, #fdf8ee 100%);
}

.hero-shape {
  position: absolute;
  right: -100px;
  top: 50%;
  transform: translateY(-50%);
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(44,110,138,0.08) 0%, transparent 70%);
  border-radius: 50%;
}
.hero-shape2 {
  position: absolute;
  right: 80px;
  top: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232,168,56,0.12) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 660px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 24px;
  letter-spacing: 0.05em;
}
.hero-badge::before {
  content: '';
  width: 6px; height: 6px;
  background: var(--primary);
  border-radius: 50%;
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--text);
  margin-bottom: 20px;
  letter-spacing: -0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--primary);
  position: relative;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  bottom: 2px; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
  opacity: 0.5;
  border-radius: 2px;
}

.hero-desc {
  font-size: 1.05rem;
  color: var(--text-mid);
  margin-bottom: 36px;
  line-height: 2;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  box-shadow: 0 4px 16px rgba(44,110,138,0.25);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(44,110,138,0.3);
}
.btn-primary .arrow { font-size: 1.2rem; }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  padding: 16px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: 2px solid var(--primary);
  transition: all var(--transition);
}
.btn-secondary:hover {
  background: var(--primary);
  color: #fff;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}
.stat-num span { font-size: 1rem; }
.stat-label { font-size: 0.8rem; color: var(--text-light); margin-top: 4px; }

/* ==============================
   SECTION COMMON
============================== */
.section { padding: 96px 0; }
.section-alt { background: var(--bg-gray); }

.section-header { text-align: center; margin-bottom: 56px; }
.section-label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-title {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--text);
  margin-bottom: 16px;
}
.section-divider {
  width: 48px; height: 3px;
  background: var(--accent);
  border-radius: 2px;
  margin: 0 auto 20px;
}
.section-desc {
  font-size: 1rem;
  color: var(--text-mid);
  max-width: 560px;
  margin: 0 auto;
}

/* ==============================
   NEWS
============================== */
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  padding: 20px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}
.news-item:first-child { border-top: 1px solid var(--border); }
.news-date {
  font-size: 0.85rem;
  color: var(--text-light);
  white-space: nowrap;
  padding-top: 2px;
  min-width: 100px;
}
.news-tag {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 50px;
  background: var(--primary-light);
  color: var(--primary);
  white-space: nowrap;
  min-width: 72px;
  text-align: center;
}
.news-title {
  font-size: 0.95rem;
  color: var(--text);
  transition: color var(--transition);
}
.news-item:hover .news-title { color: var(--primary); }

/* ==============================
   ABOUT
============================== */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about-image-wrap {
  position: relative;
}
.about-image-box {
  width: 100%;
  padding-bottom: 100%;
  background: linear-gradient(135deg, var(--primary-light), var(--bg-blue));
  border-radius: 20px;
  position: relative;
  overflow: hidden;
}
.about-image-icon {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 6rem;
  opacity: 0.3;
}
.about-badge {
  position: absolute;
  bottom: -16px;
  right: -16px;
  background: var(--accent);
  color: #fff;
  padding: 16px 20px;
  border-radius: 12px;
  font-weight: 700;
  font-size: 0.9rem;
  box-shadow: var(--shadow);
  text-align: center;
  line-height: 1.4;
}
.about-badge strong { font-size: 1.6rem; display: block; }

.about-text .section-header { text-align: left; margin-bottom: 24px; }
.about-text .section-divider { margin: 0 0 20px; }
.about-lead { font-size: 1.05rem; color: var(--text-mid); margin-bottom: 24px; line-height: 2; }

.about-points { display: flex; flex-direction: column; gap: 12px; margin-bottom: 32px; }
.about-point {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.95rem;
}
.about-point-icon {
  width: 32px; height: 32px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
}

/* ==============================
   SERVICES
============================== */
.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.service-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 36px 28px;
  border: 1px solid var(--border);
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  text-align: center;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

/* SVGアイコン */
.service-icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  background: var(--primary-light);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.service-icon svg { width: 38px; height: 38px; }

.service-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.service-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.9;
}
.service-tag {
  display: inline-block;
  margin-top: 16px;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-dark);
  background: #fef8ee;
  padding: 4px 12px;
  border-radius: 50px;
}

/* ==============================
   PRICE
============================== */
.price-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.price-card {
  background: var(--bg);
  border-radius: var(--radius);
  border: 2px solid var(--border);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition);
}
.price-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.price-card.featured {
  border-color: var(--primary);
  position: relative;
}
.price-badge-pop {
  position: absolute;
  top: 0; left: 50%; transform: translateX(-50%);
  background: var(--primary);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 16px;
  border-radius: 0 0 8px 8px;
  letter-spacing: 0.05em;
}
.price-header {
  padding: 28px 24px 20px;
  text-align: center;
  background: var(--bg-gray);
  border-bottom: 1px solid var(--border);
}
.price-card.featured .price-header { background: var(--primary-light); }
.price-name { font-size: 1rem; font-weight: 700; color: var(--text); margin-bottom: 8px; }
.price-amount { font-size: 2rem; font-weight: 700; color: var(--primary); line-height: 1; }
.price-amount span { font-size: 0.9rem; font-weight: 400; color: var(--text-light); }
.price-note { font-size: 0.78rem; color: var(--text-light); margin-top: 4px; }
.price-body { padding: 24px; }
.price-list { display: flex; flex-direction: column; gap: 10px; }
.price-list li {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  font-size: 0.88rem;
  color: var(--text-mid);
}
.price-list li::before { content: '✓'; color: var(--primary); font-weight: 700; flex-shrink: 0; }

/* ==============================
   FAQ
============================== */
.faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.faq-question {
  width: 100%;
  background: var(--bg);
  border: none;
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  text-align: left;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  transition: background var(--transition);
  font-family: inherit;
}
.faq-question:hover { background: var(--bg-gray); }
.faq-q-icon {
  width: 28px; height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  flex-shrink: 0;
}
.faq-arrow {
  margin-left: auto;
  font-size: 1rem;
  color: var(--text-light);
  transition: transform var(--transition);
}
.faq-item.open .faq-arrow { transform: rotate(180deg); }
.faq-answer {
  display: none;
  padding: 0 24px 20px 68px;
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 2;
  background: var(--bg-gray);
  border-top: 1px solid var(--border);
}
.faq-item.open .faq-answer { display: block; }

/* ==============================
   CONTACT
============================== */
.contact-wrap {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 48px;
  align-items: start;
}
.contact-info { display: flex; flex-direction: column; gap: 20px; }
.contact-info-card {
  background: var(--bg);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  gap: 16px;
}
.contact-info-icon {
  width: 44px; height: 44px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  flex-shrink: 0;
}
.contact-info-label { font-size: 0.78rem; color: var(--text-light); margin-bottom: 2px; }
.contact-info-value { font-size: 1rem; font-weight: 600; color: var(--text); }

.contact-form-wrap {
  background: var(--bg);
  border-radius: 16px;
  padding: 36px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
}
.contact-form { display: flex; flex-direction: column; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group label { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.form-group label .req {
  font-size: 0.7rem;
  background: var(--primary);
  color: #fff;
  padding: 2px 6px;
  border-radius: 4px;
  margin-left: 6px;
}
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.9rem;
  font-family: inherit;
  color: var(--text);
  background: var(--bg-gray);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(44,110,138,0.12);
  background: var(--bg);
}
.form-group textarea { resize: vertical; min-height: 120px; }
.btn-submit {
  width: 100%;
  padding: 16px;
  background: var(--primary);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition);
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); }

/* ==============================
   FOOTER
============================== */
.site-footer {
  background: #1a2e3b;
  color: #a0b4be;
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-desc { font-size: 0.85rem; line-height: 1.9; }
.footer-heading { font-size: 0.85rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links { display: flex; flex-direction: column; gap: 8px; }
.footer-links a { font-size: 0.85rem; transition: color var(--transition); }
.footer-links a:hover { color: #fff; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 0.8rem;
}

/* ==============================
   FADE IN ANIMATION
============================== */
.fade-in { opacity: 0; transform: translateY(24px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-in.visible { opacity: 1; transform: none; }

/* ==============================
   RESPONSIVE
============================== */
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .about-image-wrap { max-width: 400px; margin: 0 auto; }
  .services-grid { grid-template-columns: 1fr 1fr; }
  .price-grid { grid-template-columns: 1fr; max-width: 440px; margin: 0 auto; }
  .contact-wrap { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 600px) {
  .header-inner { padding: 0 16px; }
  .container { padding: 0 16px; }
  .main-nav { display: none; position: fixed; top: 70px; left: 0; right: 0; background: #fff; border-bottom: 1px solid var(--border); padding: 20px; }
  .main-nav.active { display: block; }
  .main-nav ul { flex-direction: column; gap: 16px; }
  .menu-toggle { display: flex; }
  .section { padding: 64px 0; }
  .hero { min-height: auto; padding: 120px 0 64px; }
  .hero-stats { gap: 20px; }
  .services-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .about-badge { bottom: -8px; right: 0; }
  .hero-btns { flex-direction: column; }
  .btn-primary, .btn-secondary { justify-content: center; }
  .news-item { flex-direction: column; gap: 8px; }
}