/* TOEIC Part5 トレーニング — 解説ページ共通スタイル */
:root{ --paper:#F6F1E6; --paper-2:#EFE8D8; --ink:#283147; --ink-soft:#6B7282; --line:#D8CFBC; --red:#C0392B; --green:#4F7942; --gold:#B8975A; }
*{ box-sizing:border-box; }
body{ margin:0; background:var(--paper); color:var(--ink); font-family:'Zen Kaku Gothic New',sans-serif; font-size:16px; line-height:1.9;
  background-image:repeating-linear-gradient(transparent 0 38px, rgba(40,49,71,0.035) 38px 39px); }
a{ color:var(--ink); }
.site-header{ border-bottom:3px solid var(--ink); }
.site-header .inner{ max-width:760px; margin:0 auto; padding:14px 16px; display:flex; justify-content:space-between; align-items:baseline; flex-wrap:wrap; gap:8px; }
.logo{ font-family:'Shippori Mincho',serif; font-weight:700; font-size:18px; letter-spacing:.06em; text-decoration:none; }
.site-header nav a{ margin-left:16px; font-size:14px; color:var(--ink-soft); text-decoration:none; }
.site-header nav a:hover{ color:var(--ink); }
main{ max-width:760px; margin:0 auto; padding:20px 16px 56px; }
.crumbs{ font-size:12px; color:var(--ink-soft); }
.crumbs a{ color:var(--ink-soft); }
h1{ font-family:'Shippori Mincho',serif; font-size:28px; line-height:1.5; margin:14px 0 16px; }
h2{ font-family:'Shippori Mincho',serif; font-size:21px; line-height:1.5; border-left:5px solid var(--gold); padding-left:12px; margin:44px 0 14px; }
h3{ font-size:16px; margin:24px 0 6px; }
.lead{ font-size:17px; }
.table-wrap{ overflow-x:auto; margin:14px 0; }
table{ width:100%; border-collapse:collapse; font-size:14px; background:#fff; }
th,td{ border:1px solid var(--line); padding:8px 10px; vertical-align:top; text-align:left; line-height:1.7; }
th{ background:var(--paper-2); white-space:nowrap; }
.mark{ font-family:'JetBrains Mono',monospace; background:var(--paper-2); padding:0 5px; border-radius:2px; font-size:.9em; }
.example{ background:#fff; border:1px solid var(--line); border-radius:4px; padding:16px 18px; margin:16px 0; }
.example .q{ font-weight:700; margin:0 0 6px; }
.example ul{ list-style:none; padding:0; margin:6px 0 10px; font-family:'JetBrains Mono',monospace; font-size:14px; }
.example summary{ cursor:pointer; font-weight:700; color:var(--green); }
.example details p{ margin:8px 0 0; font-size:15px; }
.note{ background:var(--paper-2); border-left:4px solid var(--gold); padding:10px 14px; margin:18px 0; font-size:14px; }
.cta{ text-align:center; margin:44px 0 8px; }
.cta a{ display:inline-block; background:var(--ink); color:var(--paper); padding:14px 28px; border-radius:3px; text-decoration:none; font-weight:700; }
.site-footer{ border-top:1px solid var(--line); }
.site-footer .inner{ max-width:760px; margin:0 auto; padding:18px 16px 36px; font-size:12px; color:var(--ink-soft); line-height:1.8; }
.ja{ color:var(--ink-soft); font-family:'Zen Kaku Gothic New',sans-serif; font-size:.82em; font-weight:400; }
.example .q-ja{ margin:0 0 8px; font-size:14px; color:var(--ink-soft); }
.example li{ padding:1px 0; }
td .ja{ white-space:nowrap; }
.example details .q-ja{ margin:8px 0 0; font-size:14px; color:var(--ink-soft); }
.related{ font-size:14px; margin:32px 0 0; }
.guide-card{ display:block; background:#fff; border:1px solid var(--line); border-radius:4px; padding:14px 18px; margin:10px 0; text-decoration:none; color:var(--ink); }
.guide-card b{ display:block; font-size:16px; }
.guide-card span{ font-size:14px; color:var(--ink-soft); }
.guide-card:hover{ border-color:var(--gold); }