/*
Theme Name: StudyGuide Personal
Theme URI: https://studyroutelab.com/
Author: studyguide
Description: 受験・参考書ブログ向けの個人ブログ風WordPressテーマ。
Version: 1.0.0
Text Domain: studyguide-personal
*/
:root{--bg:#f5f3ee;--paper:#fffdfa;--text:#2a2a2a;--sub:#6f6c67;--line:#e7e2d8;--blue:#496fae;--blue2:#eaf1fb;--yellow:#f7d978;--yellow2:#fff8dc;--green:#5b8d73;--green2:#eef7f2;--red:#c65d57;--red2:#fff1ef;--shadow:0 7px 20px rgba(50,45,38,.06);--max:1120px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Sans","Yu Gothic","YuGothic","Noto Sans JP","Segoe UI",sans-serif;line-height:1.9;letter-spacing:.01em}a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%;height:auto}
.site-header{background:var(--paper);border-bottom:1px solid var(--line)}.header-inner{max-width:var(--max);margin:0 auto;padding:18px;display:flex;align-items:flex-end;justify-content:space-between;gap:24px}.site-brand a{font-family:Georgia,"Times New Roman",serif;font-size:1.65rem;font-weight:700;color:#30343a}.site-description{color:var(--sub);font-size:.78rem;margin-top:6px}.main-nav ul{display:flex;gap:18px;flex-wrap:wrap;list-style:none;margin:0;padding:0}.main-nav a{color:#4a4742;font-weight:650;font-size:.88rem}
.layout{max-width:var(--max);margin:22px auto 70px;padding:0 18px;display:grid;grid-template-columns:minmax(0,760px) 300px;gap:28px;align-items:start}.content-card{background:var(--paper);border:1px solid var(--line);border-radius:14px;padding:30px clamp(18px,4vw,42px) 45px;box-shadow:var(--shadow);min-width:0}.sidebar{display:flex;flex-direction:column;gap:18px;position:sticky;top:14px}
.entry-header .category-row{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:12px}.entry-header .category-row a{display:inline-block;border-radius:999px;padding:4px 10px;font-size:.73rem;font-weight:700;background:var(--blue2);color:#395a91}.entry-title{margin:0 0 14px;font-size:clamp(1.85rem,4.4vw,2.95rem);line-height:1.38;letter-spacing:-.02em;color:#252525}.entry-meta{color:#938e85;font-size:.78rem;display:flex;gap:14px;flex-wrap:wrap;margin-bottom:24px}
.entry-content h2{margin:46px 0 22px;padding:11px 14px 11px 15px;border-left:5px solid var(--blue);background:#f8f9fb;border-radius:2px 8px 8px 2px;font-size:1.45rem;line-height:1.45;color:#2e3238}.entry-content h3{margin:34px 0 13px;font-size:1.13rem;line-height:1.55;color:#34312e;padding-bottom:7px;border-bottom:1px solid #e8e3da;position:relative}.entry-content h3:after{content:"";position:absolute;left:0;bottom:-1px;width:68px;height:2px;background:var(--yellow)}.entry-content p{margin:0 0 1.25em}.entry-content strong{background:linear-gradient(transparent 68%,rgba(247,217,120,.42) 68%)}.entry-content blockquote{margin:24px 0;padding:18px 20px;background:var(--yellow2);border:1px solid #ead898;border-left:5px solid var(--yellow)}.entry-content table{width:100%;border-collapse:collapse;display:block;overflow:auto}.entry-content th,.entry-content td{padding:12px 13px;border:1px solid #ece8e0;text-align:left;vertical-align:top}.entry-content th{background:#edf3fa;color:#40597a}
.sg-box{margin:22px 0;border-radius:9px;padding:17px 18px}.sg-point{background:var(--blue2);border-left:4px solid var(--blue)}.sg-note{background:var(--green2);border-left:4px solid var(--green)}.sg-warning{background:var(--red2);border-left:4px solid var(--red)}.sg-memo{margin:24px 0;padding:19px 19px 16px;background:var(--yellow2);border:1px solid #ead898;border-radius:8px;position:relative}.sg-memo:before{content:"筆者メモ";position:absolute;top:-13px;left:16px;background:var(--yellow);color:#5c4d20;padding:3px 10px;border-radius:3px;font-size:.76rem;font-weight:800}
.sg-product{margin:24px 0;border:1px solid #ddd7cd;background:#fff;border-radius:10px;padding:15px;box-shadow:0 3px 10px rgba(50,45,38,.04)}.sg-product-inner{display:grid;grid-template-columns:112px minmax(0,1fr);gap:16px}.sg-product-image{aspect-ratio:3/4;display:grid;place-items:center;background:#f5f3ee;border:1px solid #ddd8ce;color:#989187;font-size:.76rem;text-align:center;padding:8px}.sg-product-title{font-weight:850;line-height:1.5;margin-bottom:6px}.sg-product-desc{color:#777168;font-size:.84rem;line-height:1.7;margin-bottom:11px}.sg-shop-buttons{display:flex;flex-wrap:wrap;gap:7px}.sg-shop{display:inline-block;padding:8px 11px;border-radius:5px;font-size:.78rem;font-weight:800;text-decoration:none}.sg-amazon{background:#f6d365;color:#4b3b08}.sg-rakuten{background:#ca5b5b;color:#fff}.sg-yahoo{background:#f3f3f3;color:#5b5751;border:1px solid #dad6cf}
.related-list{margin-top:38px}.related-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.related-card{display:block;border:1px solid #e1dcd3;background:#fff;border-radius:9px;overflow:hidden;color:inherit}.related-card:hover{text-decoration:none;box-shadow:0 5px 16px rgba(50,45,38,.07)}.related-thumb{height:92px;background:#6c88b6;display:flex;align-items:flex-end;padding:11px;color:#fff;font-size:.75rem;font-weight:850}.related-body{padding:11px 12px 13px}.related-title{font-weight:800;font-size:.88rem;line-height:1.55}
.side-box{background:var(--paper);border:1px solid var(--line);border-radius:10px;padding:17px;box-shadow:0 4px 14px rgba(50,45,38,.04)}.side-title{font-size:.92rem;font-weight:850;margin:0 0 12px;padding-bottom:7px;border-bottom:2px solid #e8e2d9}.profile-avatar{width:76px;height:76px;border-radius:50%;margin:0 auto 9px;display:grid;place-items:center;background:#dfe8f5;color:#486b9f;font-size:1.8rem;font-weight:850;border:4px solid #fff}.profile-name{text-align:center;font-weight:850;font-size:.92rem}.profile-text{color:#716b62;font-size:.79rem;line-height:1.75;margin:8px 0 0}.widget ul{list-style:none;padding:0;margin:0}.widget li{padding:8px 0;border-bottom:1px solid #eee9e1;font-size:.8rem}.site-footer{max-width:var(--max);margin:0 auto;padding:26px 18px 44px;color:#8e887f;text-align:center;font-size:.76rem}
.archive-list .post-item{padding:22px 0;border-bottom:1px solid #ebe6de}.archive-list .post-item:last-child{border-bottom:0}.archive-list h2{margin:0 0 8px;padding:0;border:0;background:none;font-size:1.25rem}.archive-list h2 a{color:#2f3135}.archive-excerpt{color:#6e6962;font-size:.92rem}
@media(max-width:900px){.layout{grid-template-columns:1fr;max-width:790px}.sidebar{position:static;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.header-inner{align-items:flex-start;flex-direction:column;gap:12px}}
@media(max-width:620px){.layout{padding:0 10px;margin-top:12px}.content-card{padding:22px 15px 32px;border-radius:8px}.entry-title{font-size:1.78rem}.entry-content h2{margin-top:38px;font-size:1.28rem}.sg-product-inner{grid-template-columns:88px minmax(0,1fr)}.sg-shop-buttons{display:grid}.related-grid{grid-template-columns:1fr}.sidebar{display:block}.side-box{margin-bottom:14px}}