/*
Theme Name: EBONiBO Blog
Theme URI: https://ebonibo.com/blog/
Author: EBONiBO Inc.
Description: EBONiBO のブログ用テーマ。トップページ・お茶ページと揃えた、白・黒・グレーだけのデザイン。日本語／英語の記事、画像つきの長文記事、目次、関連記事に対応。
Version: 1.1.6
Requires at least: 6.0
Requires PHP: 7.4
License: Proprietary
Text Domain: ebonibo-blog
*/

:root{
  --bg:#F0F0F0; --paper:#E8E8E6; --card:#F6F6F4;
  --ink:#14120D; --t2:#4A4842; --t3:rgba(20,18,13,.45);
  --line:rgba(20,18,13,.16); --line2:rgba(20,18,13,.30);
  --dark:#0D0D0B; --dark2:#14120D; --cream:#ECE9E0;
  --sans:'Archivo','Noto Sans JP','Helvetica Neue',Arial,sans-serif;
  --serif:'Tinos','Noto Serif JP',Georgia,serif;
  --pad:clamp(20px,6vw,108px);
  --maxw:1440px; --read:800px; /* 本文の幅。編集画面（theme.json の contentSize）と同じ値にする */
  --lh:1.9; --lh-en:1.8; --gap:1.4em; /* 本文の行間と、段落どうしの間隔（編集画面の editor.css と同じ値） */
  /* 写真を白黒にしたいときは none を grayscale(1) に変える */
  --img-filter:none;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;padding:0}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
button{font:inherit;color:inherit}
::selection{background:var(--ink);color:var(--bg)}
.screen-reader-text{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:var(--bg);padding:8px 14px;z-index:1000}
.skip:focus{left:8px}
.wrap{max-width:var(--maxw);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}
.read{max-width:calc(var(--read) + var(--pad)*2);margin:0 auto;padding-left:var(--pad);padding-right:var(--pad)}

/* ---------- ナビ ---------- */
.eb-nav{position:fixed;top:0;left:0;right:0;z-index:600;display:flex;align-items:center;justify-content:space-between;padding:24px var(--pad);border-bottom:1px solid transparent;transition:padding .4s,background .4s,border-color .4s}
.eb-nav.on{background:rgba(240,240,240,.9);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom-color:var(--line);padding-top:14px;padding-bottom:14px}
.eb-logo{display:flex;align-items:baseline;gap:9px}
.eb-logo .dot{width:8px;height:8px;border-radius:50%;background:var(--ink);display:inline-block;transform:translateY(-1px)}
.eb-logo-t{font-weight:700;font-size:20px;letter-spacing:.01em}
.eb-links{display:flex;align-items:center;gap:28px}
.eb-links>a{font-size:12.5px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--t2);position:relative;transition:color .3s}
.eb-links>a:hover,.eb-links>a.is-cur{color:var(--ink)}
.eb-links>a.is-cur::after{content:'';position:absolute;left:0;right:0;bottom:-6px;height:1px;background:var(--ink)}
.eb-burger{display:none;flex-direction:column;gap:6px;background:none;border:0;padding:8px;cursor:pointer}
.eb-burger i{display:block;width:24px;height:1.5px;background:var(--ink);transition:transform .3s}
.eb-burger[aria-expanded="true"] i:first-child{transform:translateY(3.7px) rotate(45deg)}
.eb-burger[aria-expanded="true"] i:last-child{transform:translateY(-3.7px) rotate(-45deg)}
.eb-main{padding-top:84px}

.lang-sw{display:inline-flex;border:1px solid var(--ink);border-radius:2px;overflow:hidden}
.lang-btn{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.12em;line-height:1;padding:8px 12px;border:0;background:transparent;color:var(--ink);cursor:pointer;transition:background .2s,color .2s}
.lang-btn+.lang-btn{border-left:1px solid var(--ink)}
.lang-btn:hover:not(.is-on){background:rgba(20,18,13,.1)}
.lang-btn.is-on{background:var(--ink);color:#F0F0F0;cursor:default}
.lang-btn:focus{outline:none}
.lang-btn:focus-visible{outline:2px solid var(--ink);outline-offset:-4px}
.lang-btn.is-on:focus-visible{outline-color:#F0F0F0}

#ebProg{position:fixed;top:0;left:0;height:2px;width:0;background:var(--ink);z-index:700;transition:width .1s linear}

/* ---------- 一覧ページの見出し ---------- */
.eyebrow{display:flex;align-items:center;gap:14px;font-size:11px;font-weight:600;letter-spacing:.3em;text-transform:uppercase;color:var(--t2)}
.eyebrow .ln{width:40px;height:1px;background:var(--ink)}
.blog-hero{padding:72px 0 40px;border-bottom:1px solid var(--line)}
.blog-h1{font-family:var(--serif);font-weight:700;font-size:clamp(56px,11vw,168px);line-height:.95;letter-spacing:-.02em;margin:28px 0 24px;overflow-wrap:anywhere}
.blog-lead{font-size:17px;line-height:2;color:var(--t2);max-width:720px}
.filters{display:flex;flex-wrap:wrap;justify-content:space-between;gap:16px 32px;margin-top:40px}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{font-size:13px;font-weight:500;letter-spacing:.04em;padding:8px 16px;border:1px solid var(--line2);border-radius:999px;color:var(--t2);transition:background .2s,color .2s,border-color .2s}
.chip:hover{border-color:var(--ink);color:var(--ink)}
.chip.is-on{background:var(--ink);border-color:var(--ink);color:#F0F0F0}
.chips--lang .chip{border-radius:2px}

.sf{display:flex;max-width:480px;margin-top:32px;border-bottom:1px solid var(--ink)}
.sf input{flex:1;border:0;background:transparent;font:inherit;font-size:16px;padding:12px 0;color:var(--ink);outline:none}
.sf button{border:0;background:none;font-size:20px;cursor:pointer;padding:0 6px}

/* ---------- カード一覧 ---------- */
.blog-list{padding:56px 0 120px}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:64px 32px}
.card{display:flex;flex-direction:column}
.card-img{display:block;aspect-ratio:3/2;background:var(--paper);overflow:hidden;position:relative}
.card-img img{width:100%;height:100%;object-fit:cover;filter:var(--img-filter);transition:transform .8s cubic-bezier(.16,1,.3,1)}
.card:hover .card-img img{transform:scale(1.04)}
.card-img .ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#E2E2DF,#D2D2CE)}
.card-img .ph i{font-style:normal;font-weight:700;font-size:22px;color:var(--t3);letter-spacing:.02em}
.card-b{padding-top:20px;display:flex;flex-direction:column;flex:1}
.meta{display:flex;flex-wrap:wrap;align-items:center;gap:6px 14px;font-size:12px;letter-spacing:.08em;color:var(--t2)}
.meta .cat{font-weight:700;text-transform:uppercase;letter-spacing:.14em;color:var(--ink);border-bottom:1px solid var(--ink)}
.langbadge{font-size:10px;font-weight:700;letter-spacing:.14em;padding:2px 7px;border:1px solid var(--ink);border-radius:2px}
.card-t{font-family:var(--serif);font-weight:700;font-size:clamp(20px,1.7vw,25px);line-height:1.5;margin:12px 0 10px}
.card-t a{background:linear-gradient(currentColor,currentColor) 0 100%/0 1px no-repeat;transition:background-size .4s}
.card:hover .card-t a{background-size:100% 1px}
.card-x{font-size:14.5px;line-height:1.9;color:var(--t2)}
.card-more{margin-top:auto;padding-top:16px;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase}

.card--feat{grid-column:1/-1;display:grid;grid-template-columns:1.25fr 1fr;gap:0 clamp(28px,4vw,64px);align-items:center}
.card--feat .card-b{padding-top:0}
.card--feat .card-t{font-size:clamp(28px,3.4vw,46px);line-height:1.35;margin:16px 0 16px}
.card--feat .card-x{font-size:16px}
.card--feat .card-img{aspect-ratio:3/2}

.nav-links{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:72px}
.nav-links .page-numbers{min-width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line2);font-size:14px;font-weight:600;padding:0 12px}
.nav-links .page-numbers:hover{border-color:var(--ink)}
.nav-links .page-numbers.current{background:var(--ink);border-color:var(--ink);color:#F0F0F0}
.nav-links .dots{border:0}
.empty{padding:80px 0;color:var(--t2);font-size:17px}

/* ---------- 準備中（最初のブログ記事まで） ---------- */
.blog-soon{padding:56px 0 140px}
.soon-box{max-width:720px;border:1px solid var(--line2);padding:56px 40px;background:var(--card)}
.soon-t{font-family:var(--serif);font-weight:700;font-size:clamp(28px,4vw,44px);line-height:1.3}
.soon-b{margin-top:16px;color:var(--t2);font-size:17px;line-height:1.9}
.soon-news{display:inline-block;margin-top:28px;font-size:14px;font-weight:600;letter-spacing:.06em;border-bottom:1px solid var(--ink)}
@media(max-width:640px){.soon-box{padding:36px 24px}}

/* ---------- 記事 ---------- */
.post-head{padding:56px 0 32px}
.back{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--t2);margin-bottom:32px}
.back:hover{color:var(--ink)}
.post-title{font-family:var(--serif);font-weight:700;font-size:clamp(30px,4.6vw,52px);line-height:1.4;letter-spacing:0;margin:18px 0 0;text-wrap:balance}
.post[lang="en"] .post-title{line-height:1.2}
.dek{font-size:18px;line-height:2;color:var(--t2);margin-top:22px}
.trlink{display:inline-block;margin-top:22px;font-size:13px;font-weight:600;letter-spacing:.08em;border-bottom:1px solid var(--ink)}
.rt b{font-weight:700;color:var(--ink)}
.post-hero{margin:16px auto 56px}
.post-hero img{width:100%;max-height:78vh;object-fit:cover;filter:var(--img-filter)}
.post-hero figcaption{font-size:13px;color:var(--t2);margin-top:12px}

.toc{border:1px solid var(--line2);padding:20px 24px;margin:0 0 48px;background:var(--card)}
.toc[hidden]{display:none}
.toc-t{font-size:11px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;color:var(--t2);margin-bottom:12px}
.toc-l{list-style:none;counter-reset:t;display:flex;flex-direction:column;gap:8px}
.toc-l li{counter-increment:t;font-size:15px;line-height:1.7;display:flex;gap:12px}
.toc-l li::before{content:counter(t,decimal-leading-zero);font-weight:700;font-size:12px;color:var(--t3);padding-top:3px}
.toc-l a:hover{text-decoration:underline;text-underline-offset:4px}

/* 本文（記事・固定ページ共通） */
.prose{font-size:17px;line-height:var(--lh);color:#201E18;overflow-wrap:break-word}
.post[lang="en"] .prose{line-height:var(--lh-en);font-size:17.5px}
.prose>*+*{margin-top:var(--gap)}
.prose h2{font-family:var(--serif);font-weight:700;font-size:clamp(24px,3vw,32px);line-height:1.5;margin-top:2.4em;padding-top:1em;border-top:1px solid var(--line2);scroll-margin-top:96px}
.prose h3{font-family:var(--serif);font-weight:700;font-size:clamp(20px,2.3vw,24px);line-height:1.6;margin-top:2.2em;scroll-margin-top:96px}
.prose h4{font-weight:700;font-size:17px;margin-top:2em}
.prose h2+*,.prose h3+*{margin-top:1em}
.prose a{text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.prose a:hover{text-decoration-thickness:2px}
.prose strong,.prose b{font-weight:700;color:var(--ink)}
.prose ul,.prose ol{padding-left:1.4em}
.prose li+li{margin-top:.4em}
.prose blockquote{border-left:3px solid var(--ink);padding:.4em 0 .4em 1.4em;font-family:var(--serif);font-size:1.12em;line-height:1.9;color:var(--ink)}
.prose blockquote cite{display:block;margin-top:.8em;font-family:var(--sans);font-style:normal;font-size:13px;letter-spacing:.06em;color:var(--t2)}
.prose figure{margin-top:var(--gap)}
.prose figure+*{margin-top:var(--gap)}
.prose img{max-width:100%;height:auto;filter:var(--img-filter)}
.prose figcaption,.wp-element-caption{font-size:13px;line-height:1.7;color:var(--t2);margin-top:10px;text-align:left}
.prose hr{border:0;border-top:1px solid var(--line2);margin:3em 0}
.prose table{width:100%;border-collapse:collapse;font-size:15px}
.prose th,.prose td{border-bottom:1px solid var(--line2);padding:12px 8px;text-align:left}
.prose th{font-weight:700;background:var(--card)}
.prose pre{background:var(--dark2);color:var(--cream);padding:20px;overflow:auto;font-size:14px;line-height:1.7}
.prose code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92em;background:rgba(20,18,13,.08);padding:.1em .35em}
.prose pre code{background:none;padding:0}
.prose iframe,.prose video{width:100%;max-width:100%}
.prose .wp-block-embed__wrapper{position:relative}
.prose .wp-has-aspect-ratio iframe{position:absolute;inset:0;height:100%}
.prose .wp-block-embed.is-type-video .wp-block-embed__wrapper{aspect-ratio:16/9}
.prose .wp-block-embed.is-type-video iframe{position:absolute;inset:0;width:100%;height:100%}
.prose .wp-block-gallery{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.prose .wp-block-gallery figure{margin-top:0}
.prose .wp-block-button__link{display:inline-block;background:var(--ink);color:#F0F0F0;padding:14px 28px;text-decoration:none;font-weight:600;letter-spacing:.08em}
/* 幅広・全幅の画像 */
.prose .alignwide{width:min(1100px,calc(100vw - var(--pad)*2));margin-left:50%;transform:translateX(-50%);max-width:none}
.prose .alignfull{width:100vw;margin-left:50%;transform:translateX(-50%);max-width:none}
.prose .aligncenter{margin-left:auto;margin-right:auto}
.prose .alignleft{float:left;margin:.4em 1.4em 1em 0;max-width:46%}
.prose .alignright{float:right;margin:.4em 0 1em 1.4em;max-width:46%}
.prose::after{content:'';display:block;clear:both}

.tags{display:flex;flex-wrap:wrap;gap:8px 14px;margin-top:3em;font-size:13px;color:var(--t2)}
.tags a:hover{color:var(--ink);text-decoration:underline}
.share{display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;margin-top:2.4em;padding-top:1.6em;border-top:1px solid var(--line2);font-size:13px}
.share-t{font-weight:700;letter-spacing:.2em;text-transform:uppercase;font-size:11px;color:var(--t2)}
.share a,.share button{font-weight:600;letter-spacing:.06em;border:0;background:none;padding:0;cursor:pointer;border-bottom:1px solid var(--ink)}

/* 記事の最後の問い合わせ帯（黒背景・光のボケ） */
.cta{position:relative;overflow:hidden;background:var(--dark);color:var(--cream);margin-top:96px}
.cta-in{position:relative;z-index:2;display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:28px 48px;padding-top:72px;padding-bottom:72px}
.cta h2{font-family:var(--serif);font-weight:700;font-size:clamp(26px,3.4vw,40px);line-height:1.4}
.cta p{margin-top:10px;color:rgba(236,233,224,.78);font-size:16px}
.cta-btn{display:inline-flex;align-items:center;gap:14px;background:var(--cream);color:var(--dark);font-size:13px;font-weight:600;letter-spacing:.18em;padding:20px 40px;transition:gap .3s,transform .3s}
.cta-btn:hover{gap:22px;transform:translateY(-2px)}
.bokeh{position:absolute;inset:0;pointer-events:none;overflow:hidden}
.bokeh i{position:absolute;display:block;border-radius:50%}
.bokeh i:nth-child(1){width:420px;height:420px;background:radial-gradient(circle,rgba(255,255,255,.16),rgba(255,255,255,0) 70%);filter:blur(60px);top:-120px;left:-80px;animation:bk1 18s ease-in-out infinite}
.bokeh i:nth-child(2){width:300px;height:300px;background:radial-gradient(circle,rgba(255,255,255,.1),rgba(255,255,255,0) 70%);filter:blur(50px);top:30%;right:-40px;animation:bk2 22s ease-in-out infinite}
.bokeh i:nth-child(3){width:360px;height:360px;background:radial-gradient(circle,rgba(255,255,255,.07),rgba(255,255,255,0) 70%);filter:blur(70px);bottom:-100px;left:35%;animation:bk3 26s ease-in-out infinite}
@keyframes bk1{0%,100%{transform:translate(0,0) scale(1)}33%{transform:translate(60px,-40px) scale(1.2)}66%{transform:translate(-30px,50px) scale(.95)}}
@keyframes bk2{0%,100%{transform:translate(0,0) scale(1)}40%{transform:translate(-80px,50px) scale(.9)}70%{transform:translate(30px,-40px) scale(1.1)}}
@keyframes bk3{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(70px,80px) scale(1.15)}}
@media(prefers-reduced-motion:reduce){.bokeh i{animation:none}.card-img img{transition:none}html{scroll-behavior:auto}}

.pn{display:grid;grid-template-columns:1fr 1fr;gap:24px;padding-top:56px;padding-bottom:8px}
.pn-a{display:flex;flex-direction:column;gap:8px;padding:22px 0;border-top:1px solid var(--line2)}
.pn-a span{font-size:11px;font-weight:700;letter-spacing:.24em;text-transform:uppercase;color:var(--t2)}
.pn-a b{font-family:var(--serif);font-weight:700;font-size:18px;line-height:1.5}
.pn-next{text-align:right}
.pn-a:hover b{text-decoration:underline;text-underline-offset:5px}
.related{padding-top:72px;padding-bottom:120px}
.related-t{font-family:var(--serif);font-weight:700;font-size:clamp(26px,3vw,36px);margin-bottom:36px}
.post--page .post-body{padding-bottom:120px}

/* ---------- フッター（黒） ---------- */
.eb-foot{background:var(--dark2);color:var(--cream);padding:88px 0 36px;border-top:1px solid rgba(236,233,224,.08)}
.foot-top{display:flex;justify-content:space-between;align-items:flex-start;gap:40px;flex-wrap:wrap;margin-bottom:56px}
.foot-mark{font-weight:500;font-size:clamp(44px,9vw,132px);letter-spacing:-.04em;line-height:.84}
.foot-nav{display:flex;gap:52px;flex-wrap:wrap}
.foot-col{display:flex;flex-direction:column;gap:13px}
.foot-col .ct{font-size:11px;font-weight:600;letter-spacing:.24em;text-transform:uppercase;color:rgba(236,233,224,.5);margin-bottom:6px}
.foot-col a,.foot-col span{font-size:15px;color:rgba(236,233,224,.78);transition:color .3s}
.foot-col a:hover{color:var(--cream)}
.foot-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:28px;border-top:1px solid rgba(236,233,224,.16);font-size:11.5px;letter-spacing:.12em;color:rgba(236,233,224,.7)}

/* ---------- 英語表示のときの書体 ---------- */
html[data-ui="en"] .blog-lead,html[data-ui="en"] .card-x{font-family:var(--sans)}

/* ---------- 画面幅への対応 ---------- */
@media(max-width:1100px){.grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:900px){
  .eb-burger{display:flex}
  .eb-links{position:fixed;top:0;left:0;right:0;flex-direction:column;align-items:flex-start;gap:0;padding:84px var(--pad) 28px;background:var(--bg);border-bottom:1px solid var(--line);transform:translateY(-110%);transition:transform .4s cubic-bezier(.16,1,.3,1);z-index:-1}
  .eb-links.open{transform:none}
  .eb-links>a{font-size:15px;padding:14px 0;width:100%;border-bottom:1px solid var(--line)}
  .eb-links>a.is-cur::after{display:none}
  .eb-links .lang-sw{margin:18px 0 6px}
  .card--feat{grid-template-columns:1fr}
  .card--feat .card-b{padding-top:20px}
  .blog-hero{padding-top:48px}
}
@media(max-width:640px){
  .grid{grid-template-columns:1fr;gap:48px}
  .pn{grid-template-columns:1fr}
  .pn-next{text-align:left}
  .prose{font-size:16.5px}
  .prose .alignleft,.prose .alignright{float:none;max-width:100%;margin:1.4em 0}
  .cta-in{padding-top:56px;padding-bottom:56px}
  .foot-nav{gap:32px}
}