/* AIdealize コラム共通スタイル（新クラスタ用・denshi-karte等の inline 版と同一デザイン） */
:root{
  --red:#0891b2;--red-dark:#0e7490;
  --ink:#1e293b;--body:#4b5563;--light:#94a3b8;
  --border:#e2e8f0;--bg:#f8fafc;--bg2:#f1f5f9;--white:#fff;
  --tag-bg:#ecfeff;--green:#059669;--green-bg:#ecfdf5;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{font-family:'Noto Sans JP',sans-serif;background:var(--white);color:var(--ink);overflow-x:hidden;line-height:1.7;}

/* NAV */
#mainNav{position:fixed;top:0;left:0;right:0;z-index:1000;display:flex;align-items:center;justify-content:space-between;padding:0 60px;height:68px;background:rgba(255,255,255,0.97);border-bottom:1px solid var(--border);backdrop-filter:blur(12px);transition:box-shadow 0.3s;}
#mainNav.scrolled{box-shadow:0 2px 16px rgba(0,0,0,0.06);}
.nav-logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.nav-logo img{height:34px;width:auto;}
.nav-logo-text{font-family:'DM Mono',monospace;font-size:15px;font-weight:500;color:var(--ink);letter-spacing:0.02em;}
.nav-logo-text span{color:var(--red);}
.nav-links{display:flex;align-items:center;gap:32px;list-style:none;}
.nav-links a{font-size:13px;font-weight:500;color:var(--body);text-decoration:none;transition:color 0.2s;}
.nav-links a:hover{color:var(--ink);}
.nav-cta{background:var(--red) !important;color:#fff !important;padding:9px 20px;border-radius:4px;font-size:12px !important;font-weight:700 !important;}
.nav-cta:hover{background:var(--red-dark) !important;}
.nav-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;background:none;border:none;cursor:pointer;}
.nav-hamburger span{display:block;width:22px;height:2px;background:var(--ink);transition:all 0.3s;transform-origin:center;}
.nav-hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-hamburger.open span:nth-child(2){opacity:0;}
.nav-hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}
.nav-drawer{display:none;position:fixed;top:68px;left:0;right:0;background:#fff;border-bottom:2px solid var(--red);padding:20px 28px 28px;z-index:999;}
.nav-drawer.open{display:block;}
.nav-drawer ul{list-style:none;display:flex;flex-direction:column;}
.nav-drawer ul li a{display:block;padding:13px 0;font-size:15px;font-weight:500;color:var(--ink);text-decoration:none;border-bottom:1px solid var(--border);}
.nav-drawer ul li:last-child a{margin-top:16px;text-align:center;background:var(--red);color:#fff !important;padding:13px;border-radius:4px;font-weight:700 !important;border-bottom:none;}
@media(max-width:1024px){#mainNav{padding:0 28px;}.nav-links{display:none;}.nav-hamburger{display:flex;}}
@media(max-width:480px){#mainNav{padding:0 16px;height:60px;}.nav-drawer{top:60px;}.nav-logo-text{font-size:13px;}}

/* ARTICLE HEADER */
.article-header{padding:116px 24px 52px;background:var(--bg);border-bottom:1px solid var(--border);}
.article-header-inner{max-width:760px;margin:0 auto;}
.breadcrumb{display:flex;align-items:center;gap:6px;font-size:12px;color:var(--light);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:var(--light);text-decoration:none;}
.breadcrumb a:hover{color:var(--red);}
.breadcrumb span{color:var(--border);}
.article-tag{display:inline-flex;align-items:center;background:var(--tag-bg);color:var(--red);font-size:11px;font-weight:700;letter-spacing:0.06em;padding:4px 12px;border-radius:100px;margin-bottom:18px;}
.article-h1{font-family:'Shippori Mincho',serif;font-size:clamp(20px,3vw,34px);font-weight:700;color:var(--ink);line-height:1.65;margin-bottom:20px;}
.article-meta{display:flex;align-items:center;gap:20px;flex-wrap:wrap;font-size:12px;color:var(--light);}

/* ARTICLE BODY */
.article-body{padding:72px 24px 100px;}
.article-body-inner{max-width:760px;margin:0 auto;}
.summary-box{background:var(--bg);border-left:4px solid var(--red);padding:24px 28px;border-radius:0 6px 6px 0;margin-bottom:52px;}
.summary-box-title{font-size:11px;font-weight:700;color:var(--red);letter-spacing:0.1em;text-transform:uppercase;margin-bottom:12px;}
.summary-box ul{list-style:none;display:flex;flex-direction:column;gap:8px;}
.summary-box ul li{display:flex;align-items:flex-start;gap:8px;font-size:14px;line-height:1.8;color:var(--ink);}
.summary-box ul li::before{content:'✓';color:var(--red);font-weight:700;flex-shrink:0;margin-top:1px;}
.article-body-inner h2{font-family:'Shippori Mincho',serif;font-size:clamp(17px,2.2vw,24px);font-weight:700;color:var(--ink);line-height:1.65;margin:56px 0 20px;padding-bottom:10px;border-bottom:1px solid var(--border);position:relative;}
.article-body-inner h2::after{content:'';position:absolute;bottom:-1px;left:0;width:48px;height:2px;background:var(--red);}
.article-body-inner h3{font-family:'Shippori Mincho',serif;font-size:clamp(15px,1.8vw,19px);font-weight:700;color:var(--ink);line-height:1.7;margin:36px 0 14px;padding-left:14px;border-left:3px solid var(--red);}
.article-body-inner p{font-size:15px;line-height:2;color:var(--body);margin-bottom:22px;}
.article-body-inner strong{color:var(--ink);font-weight:700;}
.article-body-inner ul,.article-body-inner ol{list-style:none;margin-bottom:22px;display:flex;flex-direction:column;gap:8px;}
.article-body-inner ul li,.article-body-inner ol li{font-size:14px;line-height:1.9;color:var(--body);display:flex;align-items:flex-start;gap:10px;}
.article-body-inner ul li::before{content:'─';color:var(--red);flex-shrink:0;margin-top:4px;font-size:12px;}
.article-body-inner ol{counter-reset:ol;}
.article-body-inner ol li{counter-increment:ol;}
.article-body-inner ol li::before{content:counter(ol);background:var(--red);color:#fff;width:22px;height:22px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:700;flex-shrink:0;margin-top:2px;font-family:'DM Mono',monospace;}
.pain-cards{display:flex;flex-direction:column;gap:12px;margin:24px 0;}
.pain-card{background:var(--bg);border-left:4px solid var(--red);border-radius:0 8px 8px 0;padding:18px 20px;display:flex;align-items:flex-start;gap:12px;}
.pain-card-icon{font-size:22px;flex-shrink:0;margin-top:2px;}
.pain-card-body{font-size:14px;line-height:1.85;color:var(--body);}
.pain-card-body strong{color:var(--ink);}
.compare-wrap{overflow-x:auto;margin:24px 0 32px;}
.compare-table{width:100%;border-collapse:collapse;font-size:13.5px;min-width:480px;}
.compare-table th{padding:12px 18px;text-align:center;font-size:12px;font-weight:700;letter-spacing:0.05em;background:var(--bg2);color:var(--ink);border-bottom:2px solid var(--border);}
.compare-table th:first-child{text-align:left;}
.compare-table th.hl{background:var(--red);color:#fff;}
.compare-table td{padding:12px 18px;border-bottom:1px solid var(--border);vertical-align:middle;line-height:1.7;color:var(--body);text-align:center;}
.compare-table td:first-child{text-align:left;font-weight:600;color:var(--ink);}
.compare-table td.hl{background:var(--tag-bg);color:var(--ink);font-weight:600;}
.check{color:var(--red);font-weight:700;}
.cross{color:#bbb;}
.point-box{background:var(--bg2);border-radius:8px;padding:20px 24px;margin:20px 0;}
.point-box-label{font-size:10px;font-family:'DM Mono',monospace;color:var(--red);letter-spacing:0.12em;text-transform:uppercase;margin-bottom:10px;}
.point-box p{font-size:14px;line-height:1.9;color:var(--body);margin-bottom:0;}
.inline-cta{background:var(--bg);border:1px solid var(--border);border-top:4px solid var(--red);border-radius:10px;padding:36px;margin:52px 0;text-align:center;}
.inline-cta-tag{font-size:11px;color:var(--red);font-weight:700;letter-spacing:0.08em;margin-bottom:12px;}
.inline-cta h3{font-family:'Shippori Mincho',serif;font-size:clamp(16px,2vw,22px);font-weight:700;color:var(--ink);line-height:1.65;margin-bottom:12px;}
.inline-cta p{font-size:14px;color:var(--body);line-height:1.9;margin-bottom:22px;}
.cta-btns-pair{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta-miniform{display:flex;flex-direction:column;gap:10px;max-width:440px;margin:0 auto 6px;text-align:left;}
.cta-miniform-row{display:flex;gap:10px;}
.cta-miniform input{flex:1;width:100%;padding:12px 14px;font-size:14px;font-family:inherit;color:var(--ink);background:var(--white);border:1px solid var(--border);border-radius:5px;}
.cta-miniform input:focus{outline:none;border-color:var(--red);box-shadow:0 0 0 3px rgba(8,145,178,0.12);}
.cta-miniform-btn{width:100%;justify-content:center;border:none;cursor:pointer;font-family:inherit;margin-top:2px;font-size:15px;padding:15px 28px;}
.cta-miniform-alt{margin-top:14px;}
.cta-miniform-alt a{font-size:12px;color:var(--light);text-decoration:underline;text-underline-offset:2px;}
.cta-miniform-alt a:hover{color:var(--red);}
@media(max-width:600px){.cta-miniform-row{flex-direction:column;}}
.btn-cta-red{display:inline-flex;align-items:center;gap:6px;background:var(--red);color:#fff;padding:13px 28px;border-radius:4px;font-size:14px;font-weight:700;text-decoration:none;transition:background 0.2s,transform 0.2s;}
.btn-cta-red:hover{background:var(--red-dark);transform:translateY(-2px);}
.btn-cta-note{display:block;margin-top:12px;font-size:11px;color:var(--light);}
.effect-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:24px 0;}
.effect-card{background:var(--bg);border-top:3px solid var(--red);border-radius:6px;padding:20px 16px;}
.effect-num{font-family:'DM Mono',monospace;font-size:10px;color:var(--red);letter-spacing:0.12em;margin-bottom:8px;}
.effect-title{font-family:'Shippori Mincho',serif;font-size:15px;font-weight:700;color:var(--ink);line-height:1.6;margin-bottom:8px;}
.effect-body{font-size:12px;line-height:1.85;color:var(--body);}
.back-section{padding:28px 24px;background:var(--bg);border-top:1px solid var(--border);}
.back-section-inner{max-width:760px;margin:0 auto;}
.back-link{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--body);text-decoration:none;transition:color 0.2s;}
.back-link:hover{color:var(--red);}
.related-section{padding:60px 24px;background:var(--white);border-top:1px solid var(--border);}
.related-inner{max-width:760px;margin:0 auto;}
.related-label{font-family:'DM Mono',monospace;font-size:11px;color:var(--red);letter-spacing:0.14em;text-transform:uppercase;margin-bottom:20px;}
.related-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.related-card{border:1px solid var(--border);border-top:3px solid var(--red);padding:20px;text-decoration:none;color:inherit;border-radius:0 0 6px 6px;transition:box-shadow 0.2s,transform 0.2s;}
.related-card:hover{box-shadow:0 4px 16px rgba(0,0,0,0.07);transform:translateY(-2px);}
.related-card-tag{font-size:10px;font-family:'DM Mono',monospace;color:var(--red);letter-spacing:0.1em;margin-bottom:8px;}
.related-card-title{font-family:'Shippori Mincho',serif;font-size:14px;font-weight:700;color:var(--ink);line-height:1.6;}
footer{background:#1f1f1f;border-top:1px solid rgba(255,255,255,0.06);padding:40px 60px;display:flex;align-items:center;justify-content:space-between;}
.footer-logo{display:flex;align-items:center;gap:10px;}
.footer-logo-mark{width:20px;height:20px;background:var(--red);clip-path:polygon(50% 0%,0% 100%,18% 100%,50% 38%,82% 100%,100% 100%);}
.footer-logo-text{font-family:'DM Mono',monospace;font-size:13px;color:rgba(255,255,255,0.55);}
.footer-logo-text span{color:var(--red);}
.footer-copy{font-size:11px;color:rgba(255,255,255,0.25);font-family:'DM Mono',monospace;}
.reveal{opacity:0;transform:translateY(18px);transition:opacity 0.55s ease,transform 0.55s ease;}
.reveal.visible{opacity:1;transform:translateY(0);}
@media(max-width:768px){
  .article-header,.article-body,.back-section,.related-section{padding-left:16px;padding-right:16px;}
  .article-header{padding-top:88px;}
  .effect-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr;}
  .cta-btns-pair{flex-direction:column;align-items:center;}
  .inline-cta{padding:24px 18px;}
  footer{flex-direction:column;gap:14px;text-align:center;padding:28px 16px;}
}