/*
Theme Name: BTCPZ Premium
Theme URI: https://btcpz.net/
Author: BTCPZ
Author URI: https://btcpz.net/
Description: ビットコインをやさしく、深く伝えるための高速・レスポンシブWordPressテーマ。アフィリエイト導線、記事装飾、BTC/JPY APIを標準搭載。
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.8
Requires PHP: 7.4
Text Domain: btcpz-premium
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
*/

:root{--ink:#12100d;--muted:#6c675f;--paper:#fffdfa;--paper-2:#f7f3ec;--line:#e8e0d5;--btc:#f7931a;--btc-dark:#d87300;--navy:#111a2b;--white:#fff;--radius:18px;--shadow:0 16px 45px rgba(25,18,8,.08);--wide:1180px;--reading:760px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;line-height:1.8;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto}a{color:inherit;text-decoration:none}a:hover{color:var(--btc-dark)}button,input,textarea,select{font:inherit}.container{width:min(calc(100% - 40px),var(--wide));margin-inline:auto}.skip-link{position:absolute;left:-9999px}.skip-link:focus{left:20px;top:20px;z-index:9999;background:#fff;padding:12px 18px;border-radius:8px}
.site-header{position:sticky;top:0;z-index:100;background:rgba(255,253,250,.93);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,224,213,.8)}.admin-bar .site-header{top:32px}.header-inner{height:78px;display:flex;align-items:center;gap:32px}.brand{display:flex;align-items:center;gap:11px;font-weight:900;letter-spacing:-.04em;font-size:23px}.custom-logo-link{display:block;line-height:0}.custom-logo{width:auto;max-width:220px;max-height:50px}.brand-mark{width:37px;height:37px;display:grid;place-items:center;border-radius:50%;background:var(--btc);color:#fff;font-size:23px;font-family:Arial,sans-serif;box-shadow:0 7px 18px rgba(247,147,26,.25)}.brand-tag{display:block;color:var(--muted);font-size:10px;font-weight:700;letter-spacing:.08em;line-height:1.2}.site-nav{margin-left:auto}.site-nav ul{display:flex;align-items:center;gap:28px;list-style:none;margin:0;padding:0}.site-nav a{font-size:14px;font-weight:700}.header-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:0 22px;border-radius:999px;background:var(--btc);color:#17110a!important;font-weight:800;border:0;transition:.2s ease}.header-cta:hover,.btn:hover{transform:translateY(-2px);background:#ffa52e;box-shadow:0 10px 25px rgba(247,147,26,.25)}.btn-dark{background:var(--navy);color:#fff!important}.btn-ghost{background:transparent;border:1px solid rgba(255,255,255,.25);color:#fff!important}.menu-toggle{display:none;margin-left:auto;border:0;background:transparent;width:44px;height:44px;font-size:0}.menu-toggle span,.menu-toggle:before,.menu-toggle:after{content:"";display:block;width:22px;height:2px;background:var(--ink);margin:5px auto;transition:.2s}
.hero{position:relative;overflow:hidden;background:var(--navy);color:#fff;padding:92px 0 78px}.hero:before{content:"";position:absolute;inset:-30% -20% auto auto;width:700px;height:700px;border-radius:50%;background:radial-gradient(circle,rgba(247,147,26,.2),transparent 66%)}.hero:after{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to right,#000,transparent)}.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:72px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#ffc981;font-size:12px;font-weight:800;letter-spacing:.16em;text-transform:uppercase}.eyebrow:before{content:"";width:22px;height:2px;background:var(--btc)}.hero h1{max-width:750px;font-size:clamp(42px,6vw,76px);line-height:1.12;letter-spacing:-.055em;margin:18px 0 22px}.hero h1 em{color:var(--btc);font-style:normal}.hero-copy{max-width:630px;color:#c8cfdb;font-size:17px;margin:0 0 32px}.hero-actions{display:flex;flex-wrap:wrap;gap:12px}.hero-visual{position:relative;min-height:420px;display:grid;place-items:center}.coin{width:min(300px,70vw);aspect-ratio:1;border-radius:50%;display:grid;place-items:center;background:radial-gradient(circle at 35% 28%,#ffc56e 0,#f7a026 22%,#ef8709 52%,#a94c00 100%);border:10px solid rgba(255,205,128,.4);box-shadow:inset -20px -26px 45px rgba(104,45,0,.35),inset 14px 13px 24px rgba(255,255,255,.2),0 40px 80px rgba(0,0,0,.35);transform:rotate(-9deg);font:bold 164px/1 Arial;color:#fff1d5;text-shadow:4px 5px 0 rgba(131,58,0,.35)}.orbit{position:absolute;width:390px;height:390px;border:1px solid rgba(255,255,255,.13);border-radius:50%;animation:spin 24s linear infinite}.orbit:before,.orbit:after{content:"";position:absolute;width:11px;height:11px;background:var(--btc);border-radius:50%;box-shadow:0 0 20px var(--btc)}.orbit:before{left:38px;top:50px}.orbit:after{right:-5px;top:52%}@keyframes spin{to{transform:rotate(360deg)}}.trust-row{position:relative;z-index:1;margin-top:62px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.trust-item strong{display:block;font-size:15px}.trust-item span{font-size:12px;color:#8993a5}
.section{padding:92px 0}.section-soft{background:var(--paper-2)}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:34px}.section-kicker{color:var(--btc-dark);font-size:12px;font-weight:900;letter-spacing:.15em;text-transform:uppercase}.section-title{margin:6px 0 0;font-size:clamp(29px,4vw,44px);line-height:1.25;letter-spacing:-.04em}.text-link{font-size:14px;font-weight:800;color:var(--btc-dark)}.text-link:after{content:" →"}
.featured-grid{display:grid;grid-template-columns:1.28fr .72fr;gap:24px}.feature-card,.post-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}.feature-card{display:grid;grid-template-columns:1.05fr .95fr;min-height:430px}.feature-media,.card-media{position:relative;background:#ebe5da;overflow:hidden}.feature-media img,.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s}.feature-card:hover img,.post-card:hover img{transform:scale(1.035)}.media-fallback{width:100%;height:100%;min-height:220px;display:grid;place-items:center;background:linear-gradient(135deg,#182236,#0c111d);color:var(--btc);font:bold 92px Arial}.feature-body{padding:42px;display:flex;flex-direction:column;justify-content:center}.pill{display:inline-flex;align-self:flex-start;padding:5px 11px;background:#fff2df;color:#a65300;border-radius:999px;font-size:11px;font-weight:900}.feature-body h3{font-size:28px;line-height:1.45;letter-spacing:-.025em;margin:18px 0 14px}.feature-body p,.post-card p{color:var(--muted);font-size:14px}.post-meta{display:flex;gap:12px;color:#8b857c;font-size:11px;font-weight:700}.side-stack{display:grid;gap:18px}.mini-card{display:grid;grid-template-columns:122px 1fr;gap:18px;padding:15px;background:#fff;border:1px solid var(--line);border-radius:16px}.mini-card img,.mini-card .media-fallback{width:122px;height:100px;min-height:100px;border-radius:11px;object-fit:cover;font-size:38px}.mini-card h3{font-size:15px;line-height:1.55;margin:6px 0 10px}.mini-card .pill{padding:2px 8px}
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.topic-card{min-height:260px;display:flex;flex-direction:column;padding:28px;border:1px solid var(--line);border-radius:var(--radius);background:#fff;transition:.25s}.topic-card:hover{transform:translateY(-5px);border-color:#efc38f;box-shadow:var(--shadow)}.topic-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:#fff3e5;color:var(--btc-dark);font-size:24px;font-weight:900}.topic-card h3{margin:38px 0 8px;font-size:19px}.topic-card p{margin:0;color:var(--muted);font-size:13px}.topic-card span{margin-top:auto;color:var(--btc-dark);font-size:12px;font-weight:900}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}.post-card{display:flex;flex-direction:column}.card-media{aspect-ratio:16/9}.card-media .media-fallback{min-height:100%;font-size:64px}.card-body{display:flex;flex-direction:column;flex:1;padding:24px}.card-body h2,.card-body h3{font-size:18px;line-height:1.55;margin:12px 0 8px}.card-body p{margin:0 0 20px}.card-body .post-meta{margin-top:auto}
.affiliate-box{position:relative;display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;margin:8px 0 32px;padding:28px 32px;border-radius:18px;background:linear-gradient(135deg,#151f32,#0e1421);color:#fff;overflow:hidden}.affiliate-box:after{content:"";position:absolute;right:-80px;top:-130px;width:280px;height:280px;background:radial-gradient(circle,rgba(247,147,26,.25),transparent 65%)}.affiliate-label{display:inline-block;margin-bottom:7px;color:#f6bb70;font-size:10px;font-weight:900;letter-spacing:.12em}.affiliate-box h3{margin:0 0 5px;font-size:19px}.affiliate-box p{margin:0;color:#aeb6c3;font-size:13px}.affiliate-box .btn{position:relative;z-index:1;white-space:nowrap}.ad-slot{text-align:center;margin:28px 0;padding:8px;color:#999;font-size:11px}.ad-slot:empty{display:none}
.site-main{min-height:55vh}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:50px;padding-top:64px;padding-bottom:90px}.article{min-width:0}.article-head{margin-bottom:34px}.breadcrumbs{display:flex;flex-wrap:wrap;gap:7px;margin-bottom:26px;color:#918b82;font-size:11px}.breadcrumbs span:not(:last-child):after{content:"/";margin-left:7px}.article-title{font-size:clamp(32px,5vw,50px);line-height:1.35;letter-spacing:-.04em;margin:14px 0 18px}.article-thumb{margin:30px 0;border-radius:20px;overflow:hidden}.article-thumb img{display:block;width:100%;max-height:520px;object-fit:cover}.entry-content{font-size:16px}.entry-content>*{max-width:100%}.entry-content h2{margin:2.5em 0 1em;padding:16px 20px;border-left:5px solid var(--btc);background:var(--paper-2);font-size:26px;line-height:1.5}.entry-content h3{margin:2.2em 0 .8em;font-size:21px}.entry-content p{margin:0 0 1.55em}.entry-content a{color:#c46300;text-decoration:underline;text-underline-offset:3px}.entry-content blockquote{margin:2em 0;padding:22px 26px;background:#fff6e9;border-left:4px solid var(--btc);border-radius:0 12px 12px 0}.entry-content table{width:100%;border-collapse:collapse;display:block;overflow-x:auto}.entry-content th,.entry-content td{border:1px solid var(--line);padding:12px 14px}.entry-content th{background:var(--paper-2)}.entry-content pre{overflow:auto;padding:20px;border-radius:12px;background:#111827;color:#e5e7eb}.entry-content .b--jinr-iconbox>div,.entry-content .a--jinr-iconbox{padding:20px;border:1px solid #f3c48c;border-radius:12px;background:#fff7eb}.article-note{margin:32px 0;padding:20px 22px;border-radius:12px;background:#f4f5f7;color:#5c626c;font-size:12px}.author-box{display:grid;grid-template-columns:60px 1fr;gap:17px;margin-top:48px;padding:26px;border:1px solid var(--line);border-radius:16px;background:#fff}.author-box img{border-radius:50%}.author-box h3{margin:0 0 4px;font-size:15px}.author-box p{margin:0;color:var(--muted);font-size:13px}.sidebar{min-width:0}.widget{margin-bottom:26px;padding:24px;border:1px solid var(--line);border-radius:16px;background:#fff}.widget-title{margin:0 0 15px;font-size:15px}.widget ul{list-style:none;margin:0;padding:0}.widget li{padding:9px 0;border-bottom:1px solid var(--line);font-size:13px}.widget li:last-child{border:0}.sidebar-profile{background:var(--navy);color:#fff}.sidebar-profile p{color:#b5bdca;font-size:13px}.search-form{display:flex}.search-field{min-width:0;width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:10px 0 0 10px}.search-submit{padding:0 14px;border:0;border-radius:0 10px 10px 0;background:var(--btc);font-weight:800}.pagination{margin-top:42px}.nav-links{display:flex;flex-wrap:wrap;gap:8px}.page-numbers{min-width:40px;height:40px;display:grid;place-items:center;border:1px solid var(--line);border-radius:50%;font-size:13px}.page-numbers.current{background:var(--navy);color:#fff}.archive-header{padding:64px 0 0}.archive-header h1{font-size:clamp(30px,5vw,50px);margin:0}.empty-state{padding:80px 0;text-align:center}.related{margin-top:65px}.related h2{font-size:23px}.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.related-card{font-size:13px;font-weight:800}.related-card img,.related-card .media-fallback{display:block;width:100%;aspect-ratio:16/9;min-height:0;object-fit:cover;border-radius:11px;margin-bottom:8px;font-size:42px}
.newsletter{padding:65px 0;background:var(--btc)}.newsletter-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}.newsletter h2{margin:0;font-size:30px;letter-spacing:-.03em}.newsletter p{margin:5px 0 0;font-size:13px}.site-footer{padding:66px 0 26px;background:#0b101a;color:#dce1e8}.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:70px}.footer-brand p{max-width:440px;color:#8f98a8;font-size:13px}.footer-title{font-size:12px;color:#f2a13d;letter-spacing:.12em}.footer-menu{list-style:none;padding:0;margin:14px 0 0}.footer-menu li{margin:8px 0}.footer-menu a{font-size:13px;color:#aeb6c2}.copyright{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);color:#6f7887;font-size:11px}.footer-disclosure{color:#737d8d;font-size:11px}
@media(max-width:980px){.site-nav,.header-cta{display:none}.menu-toggle{display:block}.site-nav.is-open{display:block;position:absolute;top:78px;left:0;width:100%;padding:20px;background:var(--paper);border-bottom:1px solid var(--line)}.site-nav.is-open ul{display:block}.site-nav.is-open li{padding:10px 0}.hero-grid{grid-template-columns:1fr}.hero-visual{display:none}.featured-grid{grid-template-columns:1fr}.topic-grid{grid-template-columns:repeat(2,1fr)}.posts-grid{grid-template-columns:repeat(2,1fr)}.content-wrap{grid-template-columns:1fr}.sidebar{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.widget{margin:0}.footer-grid{gap:35px}.admin-bar .site-header{top:46px}}
@media(max-width:680px){.container{width:min(calc(100% - 28px),var(--wide))}.header-inner{height:68px}.brand{font-size:20px}.brand-tag{display:none}.site-nav.is-open{top:68px}.hero{padding:65px 0 48px}.hero h1{font-size:42px}.hero-copy{font-size:15px}.trust-row{grid-template-columns:1fr;gap:14px;margin-top:42px}.section{padding:65px 0}.section-head{align-items:flex-start;flex-direction:column}.feature-card{display:block}.feature-media{aspect-ratio:16/10}.feature-body{padding:26px}.feature-body h3{font-size:22px}.side-stack{grid-template-columns:1fr}.topic-grid,.posts-grid{grid-template-columns:1fr}.topic-card{min-height:215px}.affiliate-box{grid-template-columns:1fr;padding:24px}.content-wrap{padding-top:42px;gap:35px}.article-title{font-size:34px}.entry-content h2{font-size:22px}.sidebar{grid-template-columns:1fr}.related-grid{grid-template-columns:1fr}.newsletter-inner{align-items:flex-start;flex-direction:column}.footer-grid{grid-template-columns:1fr;gap:28px}.admin-bar .site-header{top:0}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}