/* ===================================
   NINKIKAJINO - メインスタイルシート
   テーマ: ホワイト / ブラック / レッド
   =================================== */

/* ---- リセット & ベース ---- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --color-bg:        #ffffff;
  --color-surface:   #f5f5f5;
  --color-border:    #e0e0e0;
  --color-text:      #111111;
  --color-text-muted:#555555;
  --color-red:       #c0001a;
  --color-red-hover: #9a0015;
  --font-base:       'Noto Sans JP', 'Hiragino Kaku Gothic ProN', Meiryo, sans-serif;
  --radius:          6px;
  --shadow:          0 2px 12px rgba(0,0,0,.08);
  --transition:      0.2s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-base);
  background-color: var(--color-bg);
  color: var(--color-text);
  font-size: 16px;
  line-height: 1.75;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: var(--color-text);
  text-decoration: none;
}

a:hover {
  color: var(--color-red);
}

/* ---- タイポグラフィ ---- */
h1, h2, h3, h4 {
  line-height: 1.35;
  font-weight: 700;
  color: var(--color-text);
}

h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin-bottom: 1rem; }
h2 { font-size: clamp(1.3rem, 3vw, 1.9rem); margin-bottom: 0.8rem; }
h3 { font-size: clamp(1.1rem, 2.5vw, 1.4rem); margin-bottom: 0.6rem; }

p { margin-bottom: 1rem; color: var(--color-text-muted); }
p:last-child { margin-bottom: 0; }

/* ---- レイアウト ---- */
.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px;
}

section {
  padding: 64px 0;
}

section + section {
  border-top: 1px solid var(--color-border);
}

/* ---- ヘッダー ---- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--color-bg);
  border-bottom: 2px solid var(--color-text);
  box-shadow: var(--shadow);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.site-logo {
  display: flex;
  align-items: center;
  line-height: 1;
}

.site-logo-img {
  height: 54px;
  width: auto;
  display: block;
  object-fit: contain;
}

.site-nav {
  display: flex;
  gap: 32px;
  list-style: none;
}

.site-nav a {
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.3px;
  padding: 4px 0;
  border-bottom: 2px solid transparent;
  transition: border-color var(--transition), color var(--transition);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-text);
  border-bottom-color: var(--color-red);
}

/* モバイルメニュートグル */
.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: var(--transition);
}

/* ---- ヒーロー ---- */
.hero {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 80px 0 72px;
  border-bottom: 4px solid var(--color-red);
}

.hero h1 {
  color: var(--color-bg);
  max-width: 760px;
}

.hero .lead {
  color: rgba(255,255,255,.75);
  font-size: 1.05rem;
  max-width: 640px;
  margin: 16px 0 32px;
}

/* ---- ボタン ---- */
.btn {
  display: inline-block;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 0.95rem;
  transition: background var(--transition), transform var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
}

.btn-primary {
  background: var(--color-red);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-red-hover);
  color: #fff;
  transform: translateY(-1px);
}

.btn-outline {
  background: transparent;
  color: var(--color-text);
  border: 2px solid var(--color-text);
}

.btn-outline:hover {
  background: var(--color-text);
  color: #fff;
}

/* ---- セクションラベル ---- */
.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--color-red);
  border-left: 3px solid var(--color-red);
  padding-left: 10px;
  margin-bottom: 12px;
}

/* ---- カジノランキング テーブル形式 ---- */
.brand-table {
  margin-top: 32px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
}

.brand-row {
  display: grid;
  grid-template-columns: 190px 1fr 130px 190px;
  align-items: center;
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
  transition: background var(--transition);
}

.brand-row:last-child {
  border-bottom: none;
}

.brand-row:hover {
  background: #fafafa;
}

.brand-row.featured {
  background: #fffdf8;
  border-left: 3px solid var(--color-text);
}

.brand-logo {
  padding: 18px 20px;
  border-right: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
}

.brand-logo-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 150px;
  height: 56px;
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  font-size: 0.78rem;
  color: var(--color-text-muted);
  font-weight: 600;
  letter-spacing: 0.3px;
}

/* ロゴが実際の<img>の場合 */
.brand-logo img {
  max-width: 150px;
  max-height: 56px;
  object-fit: contain;
}

.brand-info {
  padding: 18px 24px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.brand-bonus-text {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
}

.brand-meta {
  font-size: 0.82rem;
  color: var(--color-text-muted);
}

.brand-stars {
  padding: 18px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border-right: 1px solid var(--color-border);
}

.stars-visual {
  display: flex;
  gap: 2px;
  font-size: 1.1rem;
  letter-spacing: 1px;
}

.star-full  { color: #f5a623; }
.star-half  { color: #f5a623; position: relative; }
.star-empty { color: #ddd; }

.stars-label {
  font-size: 0.75rem;
  color: var(--color-text-muted);
  font-weight: 600;
}

.brand-cta {
  padding: 18px 20px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 旧カードの互換性のため残す */
.casino-placeholder {
  display: inline-block;
  background: var(--color-surface);
  border: 2px dashed var(--color-border);
  border-radius: var(--radius);
  padding: 10px 20px;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  min-width: 120px;
  text-align: center;
}

/* ---- ガイドセクション ---- */
.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.guide-card {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 28px 24px;
  border-top: 3px solid var(--color-text);
}

.guide-card h3 {
  font-size: 1rem;
  margin-bottom: 10px;
}

.guide-card p {
  font-size: 0.9rem;
}

/* ---- 評価基準リスト ---- */
.criteria-list {
  list-style: none;
  margin-top: 24px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.criteria-list li {
  display: flex;
  gap: 14px;
  align-items: flex-start;
  background: var(--color-surface);
  padding: 16px 20px;
  border-radius: var(--radius);
  border-left: 3px solid var(--color-border);
}

.criteria-list li.highlight {
  border-left-color: var(--color-red);
}

.criteria-num {
  font-size: 1.1rem;
  font-weight: 900;
  color: var(--color-red);
  min-width: 28px;
}

.criteria-text strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text);
  margin-bottom: 2px;
}

.criteria-text span {
  font-size: 0.875rem;
  color: var(--color-text-muted);
}

/* ---- テーブル ---- */
.styled-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 24px;
  font-size: 0.9rem;
}

.styled-table th {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 12px 16px;
  text-align: left;
  font-weight: 600;
}

.styled-table td {
  padding: 11px 16px;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.styled-table tr:last-child td { border-bottom: none; }
.styled-table tr:nth-child(even) td { background: var(--color-surface); }

/* ---- FAQ ---- */
.faq-list {
  margin-top: 32px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  background: none;
  border: none;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  font-family: var(--font-base);
  color: var(--color-text);
  text-align: left;
  transition: background var(--transition);
}

.faq-question:hover { background: var(--color-surface); }

.faq-question .icon {
  font-size: 1.2rem;
  font-weight: 400;
  color: var(--color-red);
  transition: transform var(--transition);
}

.faq-item.open .faq-question { background: var(--color-surface); }
.faq-item.open .icon { transform: rotate(45deg); }

.faq-answer {
  display: none;
  padding: 0 22px 18px;
  font-size: 0.9rem;
  color: var(--color-text-muted);
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
}

.faq-item.open .faq-answer { display: block; padding-top: 16px; }

/* ---- CTA バナー ---- */
.cta-banner {
  background: var(--color-text);
  color: var(--color-bg);
  border-radius: var(--radius);
  padding: 48px 40px;
  text-align: center;
  margin: 48px 0;
}

.cta-banner h2 { color: var(--color-bg); margin-bottom: 12px; }
.cta-banner p  { color: rgba(255,255,255,.7); margin-bottom: 28px; }

/* ---- フォーム ---- */
.contact-form {
  max-width: 640px;
  margin: 32px auto 0;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  padding: 12px 16px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  font-family: var(--font-base);
  font-size: 0.95rem;
  color: var(--color-text);
  background: var(--color-bg);
  transition: border-color var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--color-text);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
}

.required-mark {
  color: var(--color-red);
  margin-left: 3px;
}

/* ---- アバウトページ ---- */
.about-hero {
  background: var(--color-text);
  color: var(--color-bg);
  padding: 72px 0;
  border-bottom: 4px solid var(--color-red);
}

.about-hero h1 { color: var(--color-bg); }
.about-hero p  { color: rgba(255,255,255,.7); max-width: 640px; }

.value-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 24px;
  margin-top: 32px;
}

.value-item {
  text-align: center;
  padding: 32px 20px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
}

.value-icon {
  font-size: 2.2rem;
  margin-bottom: 12px;
}

.value-item h3 { font-size: 1rem; margin-bottom: 6px; }
.value-item p  { font-size: 0.875rem; }

.team-section {
  background: var(--color-surface);
  border-radius: var(--radius);
  padding: 40px;
  margin-top: 40px;
}

/* ---- フッター ---- */
.site-footer {
  background: var(--color-text);
  color: rgba(255,255,255,.65);
  padding: 56px 0 28px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: rgba(255,255,255,.55);
  max-width: 320px;
  margin-top: 12px;
}

.footer-col h4 {
  color: #fff;
  font-size: 0.875rem;
  letter-spacing: 1px;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col a {
  color: rgba(255,255,255,.6);
  font-size: 0.875rem;
  transition: color var(--transition);
}

.footer-col a:hover { color: #fff; }

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.12);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

.footer-logo {
  display: flex;
  align-items: center;
}

.footer-logo-img {
  height: 36px;
  width: auto;
  display: block;
  object-fit: contain;
  /* footer je taman — ako logo ima prozirnu pozadinu, ostaje kako jeste;
     ako treba invertovati tamni logo za svetlu pozadinu, uncommentuj: */
  /* filter: brightness(0) invert(1); */
}

/* ---- ユーティリティ ---- */
.text-center { text-align: center; }
.mt-8  { margin-top: 8px; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-8  { margin-bottom: 8px; }
.mb-16 { margin-bottom: 16px; }

.badge {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 0.75rem;
  font-weight: 700;
}

.badge-red {
  background: var(--color-red);
  color: #fff;
}

.badge-dark {
  background: var(--color-text);
  color: #fff;
}

.badge-outline {
  border: 1px solid var(--color-border);
  color: var(--color-text-muted);
}

.divider {
  border: none;
  border-top: 1px solid var(--color-border);
  margin: 40px 0;
}

/* ---- レスポンシブ ---- */
@media (max-width: 900px) {
  .brand-row {
    grid-template-columns: 150px 1fr 110px 150px;
  }
  .brand-logo-inner {
    width: 120px;
  }
  .brand-logo img {
    max-width: 120px;
  }
}

@media (max-width: 680px) {
  .brand-row {
    grid-template-columns: 1fr auto;
    grid-template-rows: auto auto;
  }

  .brand-logo {
    grid-column: 1;
    grid-row: 1;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    justify-content: flex-start;
    padding: 14px 16px;
    min-height: auto;
  }

  .brand-info {
    grid-column: 1 / -1;
    grid-row: 2;
    padding: 12px 16px;
    border-bottom: 1px solid var(--color-border);
  }

  .brand-stars {
    grid-column: 2;
    grid-row: 1;
    border-right: none;
    border-bottom: 1px solid var(--color-border);
    padding: 14px 16px;
    align-items: flex-end;
  }

  .brand-cta {
    grid-column: 1 / -1;
    grid-row: 3;
    padding: 14px 16px;
    justify-content: flex-start;
  }

  .brand-cta .btn {
    width: 100%;
    text-align: center;
  }
}

@media (max-width: 768px) {
  section { padding: 48px 0; }

  .site-nav {
    display: none;
    position: absolute;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 2px solid var(--color-text);
    flex-direction: column;
    padding: 16px 20px;
    gap: 0;
    box-shadow: var(--shadow);
  }

  .site-nav.open { display: flex; }
  .site-nav a { padding: 12px 0; border-bottom: 1px solid var(--color-border); }
  .site-nav li:last-child a { border-bottom: none; }

  .nav-toggle { display: flex; }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .hero { padding: 56px 0 48px; }
  .cta-banner { padding: 36px 24px; }
}