/*
Theme Name: ITCareer Note
Author: キャリアノート編集部
Description: IT業界研究メディア向けのWordPressテーマ。白黒基調・横スクロールのカテゴリナビ・特集ヒーロー・注目記事・ランキングを備える。外部フォントやCDNに依存しない。
Version: 1.2.0
Requires at least: 6.0
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: itcareer-note
*/

:root{
  --ink:#111;
  --body:#4d4d4d;
  --meta:#757575;
  --line:#d8d8d8;
  --whisper:#f4f4f4;
  --accent:#1f5f8b;
  --white:#fff;
  --radius:8px;
  --wrap:1120px;
  --font:"Helvetica Neue",Arial,"Hiragino Kaku Gothic ProN","Hiragino Sans",Meiryo,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--white);color:var(--ink);font-family:var(--font);font-size:15px;line-height:1.8;letter-spacing:.02em}
img{max-width:100%;height:auto;vertical-align:middle}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
button{font:inherit;cursor:pointer}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
body.is-drawer-open{overflow:hidden}

.icn-wrap{max-width:var(--wrap);margin:0 auto;padding:0 16px}
.icn-main{min-height:60vh}

/* ---------- header ---------- */
.icn-header{position:sticky;top:0;z-index:100;background:var(--white);border-bottom:1px solid var(--line)}
.icn-header__bar{display:flex;align-items:center;gap:16px;max-width:var(--wrap);margin:0 auto;padding:12px 16px}
.icn-logo{flex:0 0 auto;display:flex;align-items:center}
.icn-logo__name{font-size:20px;font-weight:700;letter-spacing:.08em}
.icn-logo img{max-height:36px;width:auto}
.icn-search{margin-left:auto;display:flex;align-items:center;border:1px solid var(--line);border-radius:9999px;padding:2px 4px 2px 14px;width:min(260px,40vw)}
.icn-search input{flex:1;min-width:0;border:0;outline:0;background:transparent;font:inherit;font-size:13px;padding:6px 0}
.icn-search button{border:0;background:transparent;color:#adadad;display:flex;padding:6px}
.icn-burger{display:none;flex-direction:column;justify-content:center;gap:5px;width:40px;height:40px;border:0;background:transparent;padding:8px}
.icn-burger span{display:block;height:2px;background:var(--ink);transition:.2s}
.icn-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.icn-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.icn-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.icn-nav{position:relative;overflow-x:auto;scrollbar-width:none}
.icn-nav::-webkit-scrollbar{display:none}
.icn-nav__items{display:flex;gap:24px;list-style:none;width:max-content;max-width:var(--wrap);margin:0 auto;padding:0 16px 10px;white-space:nowrap}
.icn-nav__link{display:block;font-size:14px;font-weight:700;letter-spacing:.1em;padding:4px 0;border-bottom:2px solid transparent}
.icn-nav__link:hover,.icn-nav__link.is-current{border-bottom-color:var(--ink)}

.icn-drawer{position:fixed;inset:0;top:var(--icn-header-h,112px);background:#000;color:#fff;overflow-y:auto;padding:32px 16px}
.icn-drawer__cats{display:flex;flex-wrap:wrap;list-style:none;margin-bottom:32px}
.icn-drawer__cats li{width:33.333%;text-align:center;margin-bottom:28px}
.icn-drawer__cats a{font-weight:700;font-size:16px}
.icn-drawer__util{list-style:none;border-top:1px solid #333;padding-top:24px}
.icn-drawer__util li{margin-bottom:12px;font-size:14px}

/* ---------- common headings / buttons ---------- */
.icn-heading{text-align:center;font-size:20px;font-weight:700;letter-spacing:.1em;margin:0 0 32px}
.icn-btn{display:inline-block;border:1px solid var(--ink);border-radius:9999px;padding:10px 40px;font-size:14px;font-weight:700;letter-spacing:.08em;transition:.2s}
.icn-btn:hover{background:var(--ink);color:var(--white)}
.icn-more{text-align:center;margin:32px 0 0}
.icn-empty{color:var(--meta);text-align:center;padding:40px 0}

/* ---------- hero (特集) ---------- */
.icn-hero{position:relative;overflow:hidden;background:#222;color:#fff}
.icn-hero::before{content:"";position:absolute;inset:-32px;background:var(--icn-hero-bg,none) center/cover no-repeat;filter:blur(24px)}
.icn-hero::after{content:"";position:absolute;inset:0;background:#000;opacity:.45}
.icn-hero__inner{position:relative;z-index:1;display:block;max-width:820px;margin:0 auto;padding:72px 16px;text-align:center}
.icn-hero__label{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.3em;text-transform:uppercase;border-bottom:1px solid rgba(255,255,255,.6);padding-bottom:4px;margin-bottom:20px}
.icn-hero__title{font-size:clamp(22px,3.4vw,34px);line-height:1.5;margin:0 0 16px;letter-spacing:.06em}
.icn-hero__desc{font-size:14px;opacity:.9;margin:0 auto 24px;max-width:640px}
.icn-hero__more{display:inline-block;border:1px solid #fff;border-radius:9999px;padding:8px 32px;font-size:13px;font-weight:700;letter-spacing:.1em}

/* ---------- 注目記事 ---------- */
.icn-attention{background:var(--whisper);padding:56px 16px}
.icn-grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:32px;max-width:var(--wrap);margin:0 auto}
.icn-card{display:flex;flex-direction:column}
.icn-card__link{display:flex;flex-direction:column}
.icn-card__img,.icn-hcard__img,.icn-rank__img{position:relative;display:block;overflow:hidden;background:#e9e9e9;border-radius:4px}
.icn-card__img{aspect-ratio:16/9;margin-bottom:14px}
.icn-card__img img,.icn-hcard__img img,.icn-rank__img img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s}
.icn-card__link:hover img,.icn-hcard__link:hover img{transform:scale(1.04)}
.icn-thumbPh{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:10px;background:#ececec;color:var(--body);font-size:12px;font-weight:700;line-height:1.5;text-align:center}
.icn-card__cat{display:inline-block;font-size:12px;font-weight:700;letter-spacing:.1em;margin-bottom:4px}
.icn-card__title{font-size:16px;font-weight:700;line-height:1.6;margin-bottom:8px}
.icn-card__date{font-size:12px;color:var(--meta);letter-spacing:.05em}
.icn-card .icn-author{margin-top:10px}

/* ---------- author ---------- */
.icn-author{display:flex;align-items:center;gap:8px}
.icn-author__img{width:28px;height:28px;border-radius:50%;flex:0 0 auto}
.icn-author__text{display:flex;flex-direction:column;line-height:1.4}
.icn-author__name{font-size:12px;font-weight:700}
.icn-author__title{font-size:11px;color:var(--meta)}

/* ---------- 2カラム ---------- */
.icn-cols{display:flex;gap:64px;padding-top:56px;padding-bottom:72px}
.icn-cols__main{flex:1;min-width:0}
.icn-cols__main .icn-heading{text-align:left}
.icn-list{display:flex;flex-direction:column}
.icn-hcard{border-bottom:1px solid var(--line)}
.icn-hcard__link{display:flex;align-items:center;gap:20px;padding:20px 0}
.icn-hcard__img{flex:0 0 180px;aspect-ratio:3/2}
.icn-hcard__body{display:flex;flex-direction:column;min-width:0}
.icn-hcard__title{font-size:16px;font-weight:700;line-height:1.6;margin-bottom:6px}

/* ---------- sidebar ---------- */
.icn-side{flex:0 0 300px}
.icn-side__box{margin-bottom:48px}
.icn-side__title{text-align:center;font-size:18px;font-weight:700;letter-spacing:.1em;margin:0 0 24px}
.icn-rank{list-style:none;counter-reset:rank}
.icn-rank__item{position:relative;counter-increment:rank;margin-bottom:16px}
.icn-rank__item::before{content:counter(rank);position:absolute;top:0;left:0;z-index:1;width:22px;height:22px;line-height:22px;text-align:center;font-size:12px;font-weight:700;background:var(--ink);color:#fff}
.icn-rank__item a{display:flex;gap:12px;align-items:flex-start}
.icn-rank__img{flex:0 0 96px;aspect-ratio:3/2;border-radius:0}
.icn-rank__img .icn-thumbPh{font-size:0}
.icn-rank__title{font-size:13px;font-weight:700;line-height:1.6}
.icn-catlist{list-style:none;border-top:1px solid var(--line)}
.icn-catlist a{display:flex;justify-content:space-between;padding:12px 4px;border-bottom:1px solid var(--line);font-size:14px;font-weight:700}
.icn-catlist span{color:var(--meta);font-weight:400}

/* ---------- page head / breadcrumb / pager ---------- */
.icn-pagehead{text-align:center;padding:48px 16px 8px;max-width:760px;margin:0 auto}
.icn-pagehead .icn-authorbox__img{border-radius:50%;margin-bottom:12px}
.icn-pagehead__en{display:block;font-size:12px;font-weight:700;letter-spacing:.3em;color:var(--meta);text-transform:uppercase;margin-bottom:8px}
.icn-pagehead__title{font-size:26px;letter-spacing:.08em;margin:0 0 12px}
.icn-pagehead__desc{color:var(--body);font-size:14px}
.icn-breadcrumb{display:flex;flex-wrap:wrap;gap:4px;font-size:12px;color:var(--meta);padding:16px 0}
.icn-breadcrumb span+span::before{content:"/";margin-right:4px;color:#adadad}
.icn-breadcrumb a:hover{text-decoration:underline}
.icn-pager{display:flex;justify-content:center;flex-wrap:wrap;gap:8px;margin-top:40px}
.icn-pager .page-numbers{min-width:40px;height:40px;display:flex;align-items:center;justify-content:center;padding:0 12px;border:1px solid var(--line);border-radius:9999px;font-size:14px}
.icn-pager .current{background:var(--ink);border-color:var(--ink);color:#fff}

/* ---------- article ---------- */
.icn-article{max-width:760px;margin:0 auto;padding:0 16px 56px}
.icn-article__head{padding:16px 0 24px;border-bottom:1px solid var(--line);margin-bottom:24px}
.icn-article__title{font-size:clamp(22px,3vw,28px);line-height:1.55;letter-spacing:.04em;margin:4px 0 12px}
.icn-article__title--page{padding:16px 0 24px;border-bottom:1px solid var(--line);margin-bottom:32px}
.icn-article__meta{display:flex;gap:16px;font-size:12px;color:var(--meta);margin-bottom:14px}
.icn-article__thumb{margin:0 0 32px}
.icn-article__thumb img{width:100%;border-radius:4px}
.icn-pr{font-size:12px;color:var(--meta);background:var(--whisper);border-radius:4px;padding:8px 12px;margin:0 0 24px}

.icn-entry{font-size:16px;line-height:1.95;color:#222}
.icn-entry>*{margin-top:0;margin-bottom:1.6em}
.icn-entry h2{font-size:22px;line-height:1.55;letter-spacing:.04em;margin:2.6em 0 1.1em;padding:0 0 12px;border-bottom:2px solid var(--ink)}
.icn-entry h3{font-size:18px;line-height:1.6;margin:2.2em 0 .9em;padding-left:12px;border-left:4px solid var(--ink)}
.icn-entry h4{font-size:16px;margin:1.8em 0 .8em}
.icn-entry a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.icn-entry ul,.icn-entry ol{padding-left:1.4em}
.icn-entry li{margin-bottom:.4em}
.icn-entry>ul,.icn-entry>ol{background:var(--whisper);border-radius:8px;padding:16px 20px 16px 2.4em}
.icn-entry>ul li:last-child,.icn-entry>ol li:last-child{margin-bottom:0}
.icn-entry blockquote{margin-left:0;padding:16px 20px;background:var(--whisper);border-left:4px solid var(--line);color:var(--body)}
.icn-entry img{border-radius:4px}
.icn-entry figcaption{font-size:12px;color:var(--meta);text-align:center;margin-top:6px}
.icn-tablewrap{overflow-x:auto;-webkit-overflow-scrolling:touch;margin-bottom:1.6em}
.icn-entry table{width:100%;border-collapse:collapse;font-size:14px;line-height:1.7;min-width:520px}
.icn-entry th,.icn-entry td{border:1px solid var(--line);padding:10px 12px;text-align:left;vertical-align:top}
.icn-entry th{background:var(--whisper);font-weight:700}

.icn-toc{border:1px solid var(--line);border-radius:var(--radius);padding:18px 22px;margin:0 0 2.4em}
.icn-toc__head{display:flex;justify-content:space-between;align-items:center;font-weight:700;letter-spacing:.1em}
.icn-toc__toggle{border:0;background:transparent;color:var(--meta);font-size:12px}
.icn-toc ol{list-style:none;padding:0;margin:12px 0 0;counter-reset:toc}
.icn-toc li{font-size:14px;line-height:1.6;margin-bottom:8px}
.icn-toc li:not(.icn-toc__h3){counter-increment:toc;font-weight:700}
.icn-toc li:not(.icn-toc__h3)::before{content:counter(toc,decimal-leading-zero) ". ";color:var(--meta)}
.icn-toc .icn-toc__h3{padding-left:2.2em;font-size:13px;color:var(--body)}
.icn-entry .icn-toc a{color:var(--ink);text-decoration:none}
.icn-entry .icn-toc a:hover{text-decoration:underline}
.icn-toc[data-open="false"] ol{display:none}

.icn-authorbox{border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px;margin:48px 0 24px}
.icn-authorbox__head{font-size:12px;font-weight:700;letter-spacing:.2em;color:var(--meta);margin-bottom:12px}
.icn-authorbox__body{display:flex;gap:16px;align-items:flex-start}
.icn-authorbox__img{border-radius:50%;flex:0 0 auto}
.icn-authorbox__name{font-weight:700}
.icn-authorbox__bio{font-size:13px;color:var(--body);margin:8px 0}
.icn-authorbox__link{font-size:13px;color:var(--accent);text-decoration:underline;margin-right:16px}

.icn-share{display:flex;flex-wrap:wrap;gap:8px}
.icn-share a,.icn-share button{border:1px solid var(--line);background:var(--white);border-radius:9999px;padding:6px 16px;font-size:12px;font-weight:700}

/* ---------- footer ---------- */
.icn-footer{background:#000;color:#fff;padding:56px 0 32px;text-align:center}
.icn-footer__logo{font-size:20px;font-weight:700;letter-spacing:.1em}
.icn-footer__desc{font-size:12px;color:#adadad;margin:8px 0 28px}
.icn-footer__cats,.icn-footer__util{display:flex;flex-wrap:wrap;justify-content:center;gap:12px 28px;list-style:none;margin-bottom:24px}
.icn-footer__cats{font-weight:700;font-size:14px}
.icn-footer__util{font-size:12px;color:#adadad}
.icn-footer a:hover{text-decoration:underline}
.icn-footer__copy{display:block;font-size:11px;color:#757575;margin-top:16px}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .icn-cols{flex-direction:column;gap:24px}
  .icn-side{flex-basis:auto}
  .icn-grid3{grid-template-columns:1fr 1fr;gap:24px}
}
@media (max-width:640px){
  .icn-search{display:none}
  .icn-burger{display:flex;margin-left:auto}
  .icn-nav{-webkit-mask-image:linear-gradient(to right,#000 80%,transparent);mask-image:linear-gradient(to right,#000 80%,transparent)}
  .icn-grid3{grid-template-columns:1fr}
  .icn-hcard__link{gap:14px;padding:16px 0}
  .icn-hcard__img{flex-basis:120px}
  .icn-hcard__title{font-size:14px}
  .icn-hero__inner{padding:56px 16px}
  .icn-attention{padding:40px 16px}
  .icn-entry{font-size:15px}
  .icn-entry h2{font-size:19px}
  .icn-entry h3{font-size:17px}
}