/* ============================================
   MOTA車買取 完全ガイド - Shared Stylesheet
   ============================================ */
@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800;900&family=Zen+Kaku+Gothic+New:wght@400;500;700;900&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --primary:#d32f2f;--primary-dark:#b71c1c;--primary-light:#ffcdd2;
  --accent:#ff6f00;--accent-light:#fff3e0;
  --dark:#1a1a2e;--dark-sub:#16213e;
  --gray-900:#212121;--gray-700:#616161;--gray-500:#9e9e9e;
  --gray-300:#e0e0e0;--gray-100:#f5f5f5;--white:#ffffff;
  --success:#2e7d32;--warning:#f57f17;--info:#1565c0;
  --radius:12px;--radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 4px 20px rgba(0,0,0,.1);
  --shadow-lg:0 8px 40px rgba(0,0,0,.12);
  --content-width:860px;--site-width:1100px;
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Noto Sans JP','Zen Kaku Gothic New',sans-serif;color:var(--gray-900);line-height:1.85;background:var(--white);-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary);text-decoration:none;transition:color .2s}
a:hover{color:var(--primary-dark)}

/* ========== AD DISCLOSURE ========== */
.ad-disclosure{background:var(--gray-100);padding:4px 24px;font-size:.68rem;color:var(--gray-500);border-bottom:1px solid var(--gray-300)}

/* ========== HEADER ========== */
.site-header{background:rgba(255,255,255,.97);border-bottom:1px solid var(--gray-300);position:sticky;top:0;z-index:100;backdrop-filter:blur(12px)}
.header-inner{max-width:var(--site-width);margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:12px 24px}
.site-logo a{text-decoration:none;color:inherit}
.site-logo-main{font-family:'Zen Kaku Gothic New',sans-serif;font-weight:900;font-size:1.15rem;color:var(--primary);letter-spacing:-.02em;line-height:1.2}
.site-logo-sub{font-size:.68rem;color:var(--gray-700);font-weight:500}
nav ul{display:flex;gap:22px;list-style:none;flex-wrap:wrap}
nav a{font-size:.8rem;font-weight:600;color:var(--gray-700)}
nav a:hover,nav a.current{color:var(--primary)}
.header-cta{background:var(--primary);color:var(--white)!important;padding:9px 20px;border-radius:50px;font-size:.8rem;font-weight:700;box-shadow:0 2px 12px rgba(211,47,47,.25);white-space:nowrap}
.header-cta:hover{background:var(--primary-dark);color:#fff!important;transform:translateY(-1px)}
.mobile-menu-btn{display:none;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--gray-700)}
@media(max-width:900px){
  nav{display:none}
  .mobile-menu-btn{display:block}
  .site-header.menu-open nav{display:flex;position:absolute;top:100%;left:0;right:0;background:var(--white);padding:16px 24px;border-bottom:1px solid var(--gray-300);box-shadow:var(--shadow-md)}
  .site-header.menu-open nav ul{flex-direction:column;gap:14px}
}
@media(max-width:600px){.header-cta{padding:7px 14px;font-size:.72rem}}

/* ========== BREADCRUMB ========== */
.breadcrumb{max-width:var(--site-width);margin:0 auto;padding:10px 24px;font-size:.73rem;color:var(--gray-500)}
.breadcrumb a{color:var(--gray-500)}.breadcrumb a:hover{color:var(--primary)}

/* ========== PAGE HERO ========== */
.page-hero{background:linear-gradient(135deg,#1a1a2e 0%,#16213e 40%,#0f3460 100%);position:relative;overflow:hidden;padding:60px 24px 70px;text-align:center;color:var(--white)}
.page-hero::before{content:'';position:absolute;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(211,47,47,.12) 0%,transparent 60%),radial-gradient(ellipse at 70% 80%,rgba(255,111,0,.08) 0%,transparent 50%)}
.page-hero::after{content:'';position:absolute;bottom:0;left:0;right:0;height:80px;background:linear-gradient(to top,var(--white),transparent)}
.page-hero>*{position:relative;z-index:1}
.page-hero .badge{display:inline-block;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);padding:5px 18px;border-radius:50px;font-size:.72rem;font-weight:600;letter-spacing:.04em;margin-bottom:16px}
.page-hero h1{font-family:'Zen Kaku Gothic New',sans-serif;font-size:clamp(1.6rem,4.5vw,2.8rem);font-weight:900;line-height:1.3;letter-spacing:-.02em;margin-bottom:14px}
.page-hero h1 em{font-style:normal;background:linear-gradient(90deg,#ff6f00,#ffab00);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.page-hero-sub{font-size:clamp(.9rem,1.8vw,1.05rem);color:rgba(255,255,255,.7);max-width:600px;margin:0 auto}

/* hero (top page only, bigger) */
.page-hero.hero-top{padding:80px 24px 100px}
.hero-stats{display:flex;justify-content:center;gap:36px;flex-wrap:wrap;margin:30px 0 36px}
.hero-stat .num{font-family:'Zen Kaku Gothic New',sans-serif;font-size:2.2rem;font-weight:900;background:linear-gradient(135deg,#fff,#ffab00);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;line-height:1.2}
.hero-stat .label{font-size:.72rem;color:rgba(255,255,255,.55);margin-top:2px}
.hero-cta-group{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn-hero{display:inline-flex;align-items:center;gap:8px;padding:15px 32px;border-radius:50px;font-size:.95rem;font-weight:700;transition:all .25s;cursor:pointer;border:none}
.btn-primary{background:linear-gradient(135deg,var(--primary),#e53935);color:var(--white)!important;box-shadow:0 4px 20px rgba(211,47,47,.4)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(211,47,47,.5);color:#fff!important}
.btn-outline{background:transparent;color:var(--white)!important;border:2px solid rgba(255,255,255,.3)}
.btn-outline:hover{border-color:#fff;color:#fff!important;background:rgba(255,255,255,.08)}

/* ========== LAYOUT ========== */
.section{padding:70px 24px}
.section-alt{background:var(--gray-100)}
.container{max-width:var(--content-width);margin:0 auto}
.container-wide{max-width:var(--site-width);margin:0 auto}
.section-label{display:inline-block;font-size:.7rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--primary);background:var(--primary-light);padding:4px 14px;border-radius:50px;margin-bottom:12px}
.section-title{font-family:'Zen Kaku Gothic New',sans-serif;font-size:clamp(1.4rem,3.2vw,2rem);font-weight:900;line-height:1.35;letter-spacing:-.02em;margin-bottom:14px}
.section-desc{color:var(--gray-700);font-size:.95rem;line-height:1.9;margin-bottom:36px;max-width:680px}

/* ========== ARTICLE CONTENT ========== */
.article{padding:50px 24px 70px}
.article .container{max-width:var(--content-width)}
.article h2{font-family:'Zen Kaku Gothic New',sans-serif;font-size:clamp(1.25rem,2.8vw,1.6rem);font-weight:900;line-height:1.4;margin:48px 0 18px;padding-bottom:12px;border-bottom:3px solid var(--primary)}
.article h2:first-child{margin-top:0}
.article h3{font-size:1.05rem;font-weight:800;margin:32px 0 12px;padding-left:16px;border-left:4px solid var(--accent)}
.article h4{font-size:.95rem;font-weight:700;margin:24px 0 10px;color:var(--gray-700)}
.article p{font-size:.93rem;line-height:2;margin-bottom:18px}
.article ul,.article ol{margin:16px 0 20px 24px;font-size:.92rem;line-height:2}
.article li{margin-bottom:6px}
.article strong{color:var(--gray-900)}

/* boxes */
.point-box,.info-box,.warn-box,.success-box{padding:20px 24px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:24px 0}
.point-box{background:var(--accent-light);border-left:4px solid var(--accent)}
.info-box{background:#e3f2fd;border-left:4px solid var(--info)}
.warn-box{background:#fce4ec;border-left:4px solid var(--primary)}
.success-box{background:#e8f5e9;border-left:4px solid var(--success)}
.point-box p,.info-box p,.warn-box p,.success-box p{margin-bottom:0;font-size:.9rem}

/* ========== TOC ========== */
.toc{background:var(--gray-100);border:1px solid var(--gray-300);border-radius:var(--radius);padding:28px 32px;margin:0 auto 10px}
.toc-title{font-size:1rem;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:8px}
.toc ol{list-style:none;counter-reset:toc;display:flex;flex-direction:column;gap:10px}
.toc li{counter-increment:toc}
.toc li a{font-size:.88rem;color:var(--gray-700);display:flex;align-items:center;gap:10px}
.toc li a::before{content:counter(toc);width:24px;height:24px;border-radius:6px;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:.68rem;font-weight:700;flex-shrink:0}
.toc li a:hover{color:var(--primary)}

/* ========== CARDS ========== */
.card-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:20px}
.card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);padding:28px 24px;transition:all .3s;position:relative;overflow:hidden}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .3s}
.card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.card:hover::before{transform:scaleX(1)}
.card-icon{width:48px;height:48px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px}
.card-icon.red{background:#ffebee}.card-icon.orange{background:#fff3e0}.card-icon.green{background:#e8f5e9}.card-icon.blue{background:#e3f2fd}
.card h3{font-size:1.05rem;font-weight:800;margin-bottom:8px}
.card p{font-size:.87rem;color:var(--gray-700);line-height:1.75}
.card-link{display:inline-flex;align-items:center;gap:4px;font-size:.82rem;font-weight:700;color:var(--primary);margin-top:12px}

/* ========== CLUSTER NAV (pillar internal links) ========== */
.cluster-nav{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:16px;margin:40px 0}
.cluster-nav a{display:flex;align-items:center;gap:14px;background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius-sm);padding:18px 20px;transition:all .2s;color:var(--gray-900);font-size:.88rem;font-weight:600}
.cluster-nav a:hover{border-color:var(--primary);box-shadow:var(--shadow-sm);color:var(--primary)}
.cluster-nav a .cn-icon{width:40px;height:40px;border-radius:10px;background:var(--primary-light);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:1.1rem;flex-shrink:0}
.cluster-nav a .cn-label{line-height:1.4}
.cluster-nav a .cn-label small{display:block;font-size:.72rem;color:var(--gray-500);font-weight:400}

/* ========== TABLE ========== */
.table-wrap{overflow-x:auto;border-radius:var(--radius);border:1px solid var(--gray-300);margin:24px 0}
table{width:100%;border-collapse:collapse;min-width:560px}
thead{background:var(--dark)}
th{padding:14px 16px;color:var(--white);font-size:.8rem;font-weight:700;text-align:left}
td{padding:14px 16px;font-size:.85rem;border-bottom:1px solid var(--gray-300);vertical-align:top}
tr:last-child td{border-bottom:none}
tbody tr:nth-child(even){background:var(--gray-100)}
.highlight-row{background:#fff8e1!important}
.badge-rec{display:inline-block;background:var(--primary);color:var(--white);padding:2px 10px;border-radius:50px;font-size:.68rem;font-weight:700;margin-left:4px}

/* ========== FAQ ========== */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);overflow:hidden}
.faq-q{padding:20px 24px;font-weight:700;font-size:.95rem;cursor:pointer;display:flex;align-items:center;gap:12px;transition:background .2s;user-select:none}
.faq-q:hover{background:var(--gray-100)}
.faq-q::before{content:'Q';flex-shrink:0;width:30px;height:30px;border-radius:8px;background:var(--primary);color:var(--white);display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:900}
.faq-q .arrow{margin-left:auto;flex-shrink:0;font-size:1rem;color:var(--gray-500);transition:transform .3s}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{padding:0 24px 20px 66px;font-size:.9rem;color:var(--gray-700);line-height:1.85;display:none}
.faq-item.open .faq-a{display:block}

/* ========== VOICE ========== */
.voice-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:18px}
.voice-card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius);padding:24px 22px;position:relative}
.voice-card::before{content:'\201C';position:absolute;top:10px;right:18px;font-size:3.5rem;line-height:1;color:var(--primary-light);font-family:Georgia,serif}
.voice-meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.voice-avatar{width:40px;height:40px;border-radius:50%;background:var(--gray-300);display:flex;align-items:center;justify-content:center;font-size:1rem}
.voice-name{font-size:.82rem;font-weight:700}.voice-detail{font-size:.72rem;color:var(--gray-500)}
.voice-stars{color:#ffab00;font-size:.85rem;letter-spacing:2px;margin-bottom:8px}
.voice-text{font-size:.85rem;color:var(--gray-700);line-height:1.8}

/* ========== MERIT / DEMERIT ========== */
.merit-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}
@media(max-width:700px){.merit-grid{grid-template-columns:1fr}}
.merit-box{border-radius:var(--radius);padding:28px 24px;border:2px solid}
.merit-box.good{border-color:#c8e6c9;background:#f1f8e9}
.merit-box.bad{border-color:#ffcdd2;background:#fce4ec}
.merit-box h3{font-size:1.05rem;font-weight:800;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.merit-box.good h3{color:var(--success)}.merit-box.bad h3{color:var(--primary)}
.merit-list{list-style:none;display:flex;flex-direction:column;gap:12px}
.merit-list li{font-size:.88rem;line-height:1.7;padding-left:22px;position:relative}
.merit-list li::before{content:'';position:absolute;left:0;top:8px;width:12px;height:12px;border-radius:50%}
.merit-box.good .merit-list li::before{background:#66bb6a}
.merit-box.bad .merit-list li::before{background:#ef5350}

/* ========== FLOW ========== */
.flow-steps{display:flex;flex-direction:column;gap:0}
.flow-step{display:flex;gap:24px;align-items:flex-start;position:relative;padding-bottom:36px}
.flow-step:last-child{padding-bottom:0}
.flow-step:last-child .flow-line{display:none}
.flow-number{flex-shrink:0;width:50px;height:50px;border-radius:50%;background:linear-gradient(135deg,var(--primary),#e53935);color:var(--white);display:flex;align-items:center;justify-content:center;font-family:'Zen Kaku Gothic New';font-size:1.2rem;font-weight:900;box-shadow:0 4px 14px rgba(211,47,47,.25);position:relative;z-index:2}
.flow-line{position:absolute;left:24px;top:50px;bottom:0;width:2px;background:var(--gray-300);z-index:1}
.flow-content{flex:1;padding-top:8px}
.flow-content h3{font-size:1.05rem;font-weight:800;margin-bottom:8px;border:none;padding:0}
.flow-content p{font-size:.88rem;color:var(--gray-700);line-height:1.8}

/* ========== CTA BAR ========== */
.cta-bar{background:linear-gradient(135deg,var(--dark) 0%,#16213e 100%);padding:60px 24px;text-align:center;color:var(--white);position:relative;overflow:hidden}
.cta-bar::before{content:'';position:absolute;inset:0;background:radial-gradient(circle at 50% 50%,rgba(211,47,47,.08) 0%,transparent 70%)}
.cta-bar>*{position:relative;z-index:1}
.cta-bar h2{font-family:'Zen Kaku Gothic New';font-size:clamp(1.2rem,3vw,1.7rem);font-weight:900;margin-bottom:12px}
.cta-bar p{color:rgba(255,255,255,.65);font-size:.92rem;max-width:500px;margin:0 auto 28px}
.cta-btn{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--primary),#e53935);color:var(--white)!important;padding:16px 40px;border-radius:50px;font-size:1rem;font-weight:700;box-shadow:0 4px 20px rgba(211,47,47,.4);transition:all .25s;border:none;cursor:pointer}
.cta-btn:hover{transform:translateY(-2px);box-shadow:0 6px 28px rgba(211,47,47,.5);color:#fff!important}
.cta-note{font-size:.75rem;color:rgba(255,255,255,.4);margin-top:14px}

/* ========== RELATED ARTICLES ========== */
.related{padding:50px 24px;background:var(--gray-100)}
.related h2{font-family:'Zen Kaku Gothic New';font-size:1.2rem;font-weight:900;margin-bottom:24px;text-align:center}
.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:16px;max-width:var(--site-width);margin:0 auto}
.related-card{background:var(--white);border:1px solid var(--gray-300);border-radius:var(--radius-sm);padding:20px 18px;transition:all .2s}
.related-card:hover{box-shadow:var(--shadow-sm);border-color:var(--primary)}
.related-card .rc-cat{font-size:.68rem;font-weight:700;color:var(--primary);margin-bottom:6px}
.related-card h3{font-size:.88rem;font-weight:700;line-height:1.5;margin-bottom:8px}
.related-card p{font-size:.76rem;color:var(--gray-500);line-height:1.6}
.related-card a{color:var(--gray-900);text-decoration:none}
.related-card a:hover{color:var(--primary)}

/* ========== FOOTER ========== */
.site-footer{background:var(--dark);color:rgba(255,255,255,.5);padding:50px 24px 36px}
.footer-inner{max-width:var(--site-width);margin:0 auto}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:32px;margin-bottom:36px}
@media(max-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media(max-width:480px){.footer-grid{grid-template-columns:1fr}}
.footer-brand{font-family:'Zen Kaku Gothic New';font-size:1rem;font-weight:900;color:var(--white);margin-bottom:10px}
.footer-text{font-size:.78rem;line-height:1.8}
.footer-heading{font-size:.72rem;font-weight:700;color:var(--white);letter-spacing:.08em;margin-bottom:12px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:8px}
.footer-links a{font-size:.78rem;color:rgba(255,255,255,.5)}
.footer-links a:hover{color:var(--white)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-copy{font-size:.72rem}
.footer-legal{display:flex;gap:18px}
.footer-legal a{font-size:.72rem;color:rgba(255,255,255,.4)}
.footer-legal a:hover{color:rgba(255,255,255,.7)}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
.animate{opacity:0;transform:translateY(20px);transition:all .5s cubic-bezier(.16,1,.3,1)}
.animate.visible{opacity:1;transform:translateY(0)}

/* ========== UTILITIES ========== */
.text-center{text-align:center}
.mt-0{margin-top:0}.mt-2{margin-top:16px}.mt-4{margin-top:32px}.mt-6{margin-top:48px}
.mb-0{margin-bottom:0}.mb-2{margin-bottom:16px}.mb-4{margin-bottom:32px}