/*
Theme Name: Yuasa Eiji Blog
Theme URI: https://matsuoka-yuasa.com/blog/
Author: Yuasa Eiji Office
Description: 湯浅英仁事務所ブログ用テーマ（HP本体とデザイン統一）
Version: 1.2.0
Requires at least: 6.0
Requires PHP: 7.4
License: GPL v2 or later
Text Domain: yuasa-blog
*/

/* ===== Tokens (HP本体と完全一致) ===== */
:root{
  --ink:#0E2149;--ink-2:#2B3E6B;
  --paper:#ffffff;--paper-2:#f4f8fd;--paper-3:#e2ecf8;
  --gold:#5AB8E8;--gold-deep:#2E86C4;--gold-soft:#BFE0F5;
  --rule:#D5E3F2;--muted:#6B7A94;
  --serif:"Shippori Mincho","Noto Serif JP","Yu Mincho",serif;
  --sans:"Noto Sans JP","Yu Gothic",sans-serif;
  --latin:"Cormorant Garamond",serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html,body{background:var(--paper);color:var(--ink);font-family:var(--sans);font-feature-settings:"palt";-webkit-font-smoothing:antialiased}
body{
  font-size:14px;line-height:2;overflow-x:hidden;
  background-color:var(--paper);
  background-image:
    radial-gradient(circle, rgba(90,184,232,0.16) 1.4px, transparent 1.8px),
    radial-gradient(circle, rgba(90,184,232,0.10) 1px, transparent 1.4px);
  background-size: 48px 48px, 48px 48px;
  background-position: 0 0, 24px 24px;
}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
img{max-width:100%;display:block;height:auto}
.container{max-width:1200px;margin:0 auto;padding:0 40px}
@media (max-width:720px){.container{padding:0 22px}}

/* ===== NAV ===== */
.nav{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(255,255,255,.94);backdrop-filter:blur(12px);border-bottom:1px solid rgba(14,33,73,.1)}
.nav-inner{display:flex;align-items:center;gap:32px;height:78px;padding:0 40px;max-width:1440px;margin:0 auto}
.brand{display:flex;align-items:center;gap:14px;flex-shrink:0;margin-right:auto}
.brand-mark{width:52px;height:52px;display:grid;place-items:center;border-radius:50%;overflow:hidden}
.brand-mark img{width:100%;height:100%;object-fit:cover}
.brand-text .jp{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.18em;line-height:1.2;color:var(--ink);display:block}
.brand-text .en{font-family:var(--latin);font-style:italic;font-size:11.5px;color:var(--gold-deep);letter-spacing:.22em;margin-top:5px;display:block}
.nav-cta{display:flex;align-items:center;gap:10px;flex-shrink:0;margin-left:auto}
.btn{display:inline-flex;align-items:center;gap:10px;padding:14px 24px;font-size:11.5px;letter-spacing:.24em;font-family:var(--sans);border-radius:0;transition:all .25s;border:1px solid var(--ink);background:var(--ink);color:#fff;cursor:pointer}
.btn:hover{background:var(--gold-deep);border-color:var(--gold-deep);transform:translateY(-1px)}
.btn.line{background:#06C755;border-color:#06C755}
.btn.line:hover{background:#04a544;border-color:#04a544}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}

/* ===== SUBMENU ===== */
.submenu{position:fixed;top:78px;left:0;right:0;z-index:99;background:#fff;border-bottom:1px solid var(--rule)}
.submenu-inner{max-width:1280px;margin:0 auto;padding:0 30px;display:flex;align-items:center;justify-content:center;height:58px;flex-wrap:nowrap;overflow-x:auto;-webkit-overflow-scrolling:touch}
.submenu-inner::-webkit-scrollbar{display:none}
.submenu-inner{scrollbar-width:none}
.submenu .item{position:relative;flex-shrink:0;display:flex;align-items:center;height:58px}
.submenu-inner > a{flex-shrink:0}
.submenu .item > a, .submenu-inner > a{position:relative;display:block;padding:0 18px;font-family:var(--serif);font-size:13.5px;font-weight:700;letter-spacing:.16em;color:var(--ink);line-height:58px;transition:color .2s;white-space:nowrap}
.submenu .item + .item::before, .submenu-inner > a + .item::before, .submenu-inner > .item + a::before, .submenu-inner > a + a::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:1px;height:14px;background:var(--rule)}
.submenu a:hover,.submenu a.is-active{color:var(--gold-deep)}
.submenu a .en{display:block;font-family:var(--latin);font-style:italic;font-size:10px;font-weight:400;letter-spacing:.18em;color:var(--gold-deep);margin-top:-8px;line-height:1;opacity:.85;white-space:nowrap}
.submenu .has-drop > a.parent{cursor:default}
.submenu .has-drop > a::after{content:"▾";display:inline-block;margin-left:6px;font-size:9px;color:var(--gold-deep);vertical-align:1px}
.submenu .drop{position:absolute;top:100%;left:50%;transform:translateX(-50%);min-width:240px;background:#fff;border:1px solid var(--rule);border-top:0;box-shadow:0 12px 30px rgba(14,33,73,.1);opacity:0;visibility:hidden;transition:opacity .15s,visibility .15s;padding:8px 0}
.submenu .has-drop:hover .drop,.submenu .has-drop:focus-within .drop,.submenu .has-drop.is-open .drop{opacity:1;visibility:visible}
.submenu .drop a{display:block;padding:12px 22px;font-family:var(--serif);font-size:13px;font-weight:600;letter-spacing:.14em;color:var(--ink);line-height:1.5;border-bottom:1px solid var(--rule);white-space:nowrap}
.submenu .drop a:last-child{border-bottom:0}
.submenu .drop a:hover{background:var(--paper-2);color:var(--gold-deep)}
.submenu .drop a .en{display:block;font-family:var(--latin);font-style:italic;font-size:10px;font-weight:400;color:var(--gold-deep);letter-spacing:.18em;margin-top:2px;line-height:1;opacity:.85}
@media (max-width:1180px){.submenu-inner{overflow-x:auto;justify-content:flex-start;padding:0 20px;height:50px;-webkit-overflow-scrolling:touch}.submenu .item > a,.submenu-inner > a{padding:0 16px;font-size:12.5px;font-weight:700;line-height:50px;letter-spacing:.14em}.submenu a .en{display:none}.submenu .drop{min-width:200px}}

/* ===== PAGE HEADER ===== */
.page-hero{padding:200px 0 80px;text-align:center;border-bottom:1px solid var(--rule);background:#fff}
.page-hero .crumbs{font-family:var(--latin);font-style:italic;font-size:12px;letter-spacing:.24em;color:var(--muted);margin-bottom:30px}
.page-hero .crumbs a{color:var(--gold-deep)}
.page-hero .en{font-family:var(--latin);font-style:italic;font-size:clamp(56px,8vw,110px);color:var(--paper-3);letter-spacing:.04em;line-height:1;font-weight:400;display:block}
.page-hero .en-small{font-family:var(--latin);font-style:italic;font-size:14px;letter-spacing:.28em;color:var(--gold-deep);display:block;margin-top:18px}
.page-hero h1{font-family:var(--serif);font-weight:500;font-size:clamp(28px,3.4vw,42px);letter-spacing:.18em;color:var(--ink);margin-top:18px;line-height:1.7}
.page-hero h1 .em{color:var(--gold-deep)}
.page-hero p{max-width:680px;margin:30px auto 0;font-size:14px;line-height:2.2;color:var(--ink-2)}

/* ===== MAIN ===== */
.site-main{padding:90px 0 120px;position:relative}
@media (max-width:720px){.site-main{padding:60px 0 80px}}

/* ===== BLOG LIST (chronological) ===== */
.post-list{max-width:880px;margin:0 auto;display:flex;flex-direction:column;gap:0}
.post-card{display:grid;grid-template-columns:170px 1fr;gap:36px;padding:40px 0;border-bottom:1px solid var(--rule);align-items:start}
.post-card:first-child{border-top:1px solid var(--rule)}
.post-card .date-block{display:flex;flex-direction:column;gap:4px;padding-top:6px}
.post-card .date-block .y{font-family:var(--latin);font-style:italic;font-size:13px;letter-spacing:.2em;color:var(--gold-deep)}
.post-card .date-block .md{font-family:var(--serif);font-weight:600;font-size:34px;letter-spacing:.04em;color:var(--ink);line-height:1}
.post-card .date-block .cat{font-size:10.5px;letter-spacing:.2em;color:var(--muted);margin-top:14px;display:inline-block;border:1px solid var(--rule);padding:4px 10px;align-self:flex-start;background:#fff}
.post-card .body h2{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:.08em;line-height:1.7;color:var(--ink);margin-bottom:14px;transition:color .2s}
.post-card .body h2 a{color:inherit}
.post-card:hover .body h2{color:var(--gold-deep)}
.post-card .body .excerpt{font-size:13.5px;line-height:2;color:var(--ink-2);margin-bottom:14px}
.post-card .body .read-more{font-family:var(--latin);font-style:italic;font-size:12.5px;letter-spacing:.2em;color:var(--gold-deep)}
.post-card .body .read-more::after{content:" →";letter-spacing:0}
.post-card .thumb{margin-top:14px;aspect-ratio:16/9;overflow:hidden;border:1px solid var(--rule);background:var(--paper-2)}
.post-card .thumb img{width:100%;height:100%;object-fit:cover}
@media (max-width:720px){
  .post-card{grid-template-columns:1fr;gap:14px;padding:32px 0}
  .post-card .date-block{flex-direction:row;align-items:baseline;gap:10px;padding-top:0}
  .post-card .date-block .md{font-size:22px}
  .post-card .date-block .cat{margin-top:0}
}

/* ===== PAGINATION ===== */
.pagination{margin:60px auto 0;max-width:880px;display:flex;justify-content:center;gap:8px;flex-wrap:wrap}
.pagination a, .pagination .current, .pagination .dots{display:inline-flex;min-width:38px;height:38px;align-items:center;justify-content:center;font-family:var(--latin);font-style:italic;font-size:14px;letter-spacing:.08em;color:var(--ink);border:1px solid var(--rule);background:#fff;padding:0 12px;transition:all .2s}
.pagination a:hover{color:var(--gold-deep);border-color:var(--gold-deep)}
.pagination .current{background:var(--ink);color:#fff;border-color:var(--ink)}

/* ===== SINGLE ARTICLE ===== */
.article{max-width:780px;margin:0 auto}
.article-head{text-align:center;margin-bottom:60px;padding-bottom:40px;border-bottom:1px solid var(--rule)}
.article-head .date{font-family:var(--latin);font-style:italic;font-size:13px;letter-spacing:.2em;color:var(--gold-deep);margin-bottom:14px}
.article-head .cats{font-size:11px;letter-spacing:.22em;color:var(--muted);margin-bottom:18px}
.article-head .cats a{color:var(--ink-2);border-bottom:1px solid var(--rule);padding-bottom:1px}
.article-head .cats a:hover{color:var(--gold-deep);border-color:var(--gold-deep)}
.article-head h1{font-family:var(--serif);font-weight:600;font-size:clamp(24px,3vw,32px);letter-spacing:.06em;color:var(--ink);line-height:1.7}

.article-body{font-size:14.5px;line-height:2.15;color:var(--ink-2)}
.article-body > *{margin-bottom:22px}
.article-body h2{font-family:var(--serif);font-weight:600;font-size:22px;letter-spacing:.08em;color:var(--ink);line-height:1.7;border-left:3px solid var(--gold);padding-left:16px;margin-top:48px}
.article-body h3{font-family:var(--serif);font-weight:600;font-size:18px;letter-spacing:.06em;color:var(--ink);line-height:1.7;margin-top:36px;border-bottom:1px solid var(--rule);padding-bottom:8px}
.article-body h4{font-family:var(--serif);font-weight:600;font-size:16px;color:var(--ink);margin-top:28px}
.article-body p{font-size:14.5px;line-height:2.15;color:var(--ink-2)}
.article-body ul,.article-body ol{margin-left:28px}
.article-body li{font-size:14px;line-height:2.05;margin-bottom:6px}
.article-body blockquote{border-left:3px solid var(--gold-soft);background:var(--paper-2);padding:18px 22px;color:var(--ink-2);font-style:italic}
.article-body img{margin:32px auto;border:1px solid var(--rule)}
.article-body a{color:var(--gold-deep);border-bottom:1px solid var(--gold-soft);transition:all .15s}
.article-body a:hover{color:var(--ink);border-color:var(--ink)}
.article-body code{background:var(--paper-2);padding:2px 6px;font-family:"JetBrains Mono",monospace;font-size:.9em;color:var(--ink)}
.article-body pre{background:var(--ink);color:#cfe5fb;padding:20px;overflow-x:auto;font-family:"JetBrains Mono",monospace;font-size:13px;line-height:1.7}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body table{width:100%;border-collapse:collapse;font-size:13px}
.article-body th,.article-body td{padding:12px 16px;border:1px solid var(--rule);text-align:left}
.article-body th{background:var(--paper-2);font-family:var(--serif);font-weight:600;color:var(--ink)}

/* author box */
.article-author{max-width:780px;margin:60px auto 0;padding:32px;border:1px solid var(--rule);background:#fff;display:grid;grid-template-columns:auto 1fr;gap:24px;align-items:center}
.article-author .avatar{width:72px;height:72px;border-radius:50%;overflow:hidden;background:var(--paper-2)}
.article-author .avatar img{width:100%;height:100%;object-fit:cover}
.article-author .who .role{font-family:var(--latin);font-style:italic;font-size:11px;letter-spacing:.24em;color:var(--gold-deep);margin-bottom:6px;display:block}
.article-author .who .name{font-family:var(--serif);font-weight:600;font-size:17px;letter-spacing:.1em;color:var(--ink);display:block;margin-bottom:8px}
.article-author .who .bio{font-size:12.5px;line-height:1.95;color:var(--ink-2)}

/* prev / next */
.article-nav{max-width:780px;margin:48px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:14px}
.article-nav a{display:block;padding:24px 28px;border:1px solid var(--rule);background:#fff;transition:all .2s}
.article-nav a:hover{border-color:var(--gold-deep)}
.article-nav .label{font-family:var(--latin);font-style:italic;font-size:11px;letter-spacing:.22em;color:var(--gold-deep);margin-bottom:8px;display:block}
.article-nav .ttl{font-family:var(--serif);font-weight:600;font-size:14.5px;line-height:1.7;color:var(--ink)}
.article-nav .next{text-align:right}
@media (max-width:720px){.article-nav{grid-template-columns:1fr}.article-nav .next{text-align:left}}

/* related */
.related{max-width:880px;margin:80px auto 0;padding-top:60px;border-top:1px solid var(--rule)}
.related h3{text-align:center;font-family:var(--serif);font-weight:500;font-size:20px;letter-spacing:.18em;color:var(--ink);margin-bottom:8px}
.related .en{display:block;text-align:center;font-family:var(--latin);font-style:italic;font-size:12px;letter-spacing:.24em;color:var(--gold-deep);margin-bottom:36px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-grid a{display:block;background:#fff;border:1px solid var(--rule);transition:all .2s}
.related-grid a:hover{border-color:var(--gold-deep);transform:translateY(-2px)}
.related-grid .thumb{aspect-ratio:16/10;background:var(--paper-2);overflow:hidden}
.related-grid .thumb img{width:100%;height:100%;object-fit:cover}
.related-grid .info{padding:18px 18px 22px}
.related-grid .date{font-family:var(--latin);font-style:italic;font-size:11px;letter-spacing:.18em;color:var(--gold-deep);margin-bottom:8px}
.related-grid h4{font-family:var(--serif);font-weight:600;font-size:14px;line-height:1.7;color:var(--ink);letter-spacing:.04em}
@media (max-width:720px){.related-grid{grid-template-columns:1fr}}

/* ===== CTA ===== */
.cta{position:relative;padding:120px 0;background:linear-gradient(180deg,rgba(14,33,73,.85),rgba(14,33,73,.95)),var(--ink);color:#fff;text-align:center;overflow:hidden;margin-top:90px}
.cta::before{content:"";position:absolute;inset:24px;border:1px solid rgba(191,224,245,.3);pointer-events:none}
.cta .en-big{font-family:var(--latin);font-style:italic;font-size:clamp(44px,6vw,80px);color:rgba(191,224,245,.25);letter-spacing:.06em;line-height:1;margin-bottom:10px}
.cta h2{font-family:var(--serif);font-weight:500;font-size:clamp(22px,2.6vw,32px);letter-spacing:.18em;line-height:1.7;margin-bottom:24px}
.cta h2 em{color:var(--gold-soft);font-style:normal}
.cta p{max-width:560px;margin:0 auto 36px;font-size:13.5px;line-height:2.2;color:rgba(255,255,255,.8)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta .btn.ghost{color:#fff;border-color:#fff}
.cta .btn.ghost:hover{background:#fff;color:var(--ink)}

/* ===== FOOTER ===== */
.site-foot{background:var(--paper);border-top:1px solid var(--rule);padding:80px 0 28px}
.foot{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr 1fr;gap:48px;padding-bottom:36px;border-bottom:1px solid var(--rule)}
.foot-brand p{font-size:12px;line-height:2;color:var(--muted);margin-top:20px}
.foot h5{font-family:var(--latin);font-style:italic;font-size:13px;letter-spacing:.22em;color:var(--gold-deep);margin-bottom:18px;font-weight:500}
.foot ul{list-style:none}
.foot ul li{font-size:12.5px;letter-spacing:.04em;color:var(--ink-2);line-height:1.95;margin-bottom:6px}
.foot ul a:hover{color:var(--gold-deep)}
.foot-meta{display:flex;justify-content:space-between;padding-top:26px;font-size:10.5px;color:var(--muted);letter-spacing:.15em;flex-wrap:wrap;gap:12px}
.foot-meta .cc{font-family:var(--latin);font-style:italic}
@media (max-width:1100px){.foot{grid-template-columns:1fr 1fr 1fr;gap:36px}}
@media (max-width:720px){.foot{grid-template-columns:1fr;gap:30px}}

/* WP screen-reader text */
.screen-reader-text{position:absolute!important;clip:rect(1px,1px,1px,1px);width:1px;height:1px;overflow:hidden}

/* ===== WORKS (実績紹介) ===== */
.works-filter{display:flex;flex-wrap:wrap;gap:0;justify-content:center;margin:0 auto 56px;border-bottom:1px solid var(--rule);padding-bottom:0;max-width:980px}
.works-filter a{font-family:var(--serif);font-weight:500;font-size:13px;letter-spacing:.16em;color:var(--ink-2);padding:14px 22px;border-bottom:2px solid transparent;margin-bottom:-1px;transition:all .2s;text-decoration:none}
.works-filter a:hover{color:var(--gold-deep)}
.works-filter a.is-active{color:var(--gold-deep);border-bottom-color:var(--gold-deep)}
.works-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:1180px;margin:0 auto}
.works-grid .work-card{display:block;background:#fff;border:1px solid var(--rule);text-decoration:none;color:inherit;transition:all .25s}
.works-grid .work-card:hover{border-color:var(--gold-deep);transform:translateY(-3px);box-shadow:0 14px 32px rgba(14,33,73,.08)}
.works-grid .thumb{aspect-ratio:16/10;position:relative;overflow:hidden;background:var(--paper-2);border-bottom:1px solid var(--rule)}
.works-grid .thumb img{width:100%;height:100%;object-fit:cover;display:block}
.works-grid .thumb .placeholder{position:absolute;inset:0;display:grid;place-items:center;background:linear-gradient(135deg,rgba(14,33,73,.25),rgba(14,33,73,.55)),repeating-linear-gradient(45deg,rgba(90,184,232,.22) 0 2px,transparent 2px 12px),var(--paper-3)}
.works-grid .thumb .placeholder .bg-mark{font-family:var(--serif);font-size:64px;color:rgba(255,255,255,.55);letter-spacing:.1em}
.works-grid .thumb .cat-tag{position:absolute;top:14px;left:14px;font-family:var(--latin);font-style:italic;font-size:11px;letter-spacing:.2em;padding:5px 12px;border:1px solid #fff;color:#fff;background:rgba(14,33,73,.6);text-transform:uppercase}
.works-grid .info{padding:24px 26px 28px}
.works-grid .info .date{font-family:var(--latin);font-style:italic;font-size:12px;letter-spacing:.18em;color:var(--muted);margin-bottom:10px}
.works-grid .info h3{font-family:var(--serif);font-weight:600;font-size:16px;line-height:1.7;letter-spacing:.08em;color:var(--ink);margin-bottom:12px;transition:color .2s}
.works-grid .work-card:hover .info h3{color:var(--gold-deep)}
.works-grid .info .excerpt{font-size:12.5px;line-height:1.95;color:var(--ink-2)}
@media (max-width:980px){.works-grid{grid-template-columns:repeat(2,1fr);gap:22px}}
@media (max-width:640px){.works-grid{grid-template-columns:1fr}}

/* ===== WP admin bar offset (logged-in users) ===== */
body.admin-bar .nav{top:32px}
body.admin-bar .submenu{top:110px}
@media (max-width:782px){
  body.admin-bar .nav{top:46px}
  body.admin-bar .submenu{top:124px}
}