/*
Theme Name: ことりゼミ Original v1.7
Theme URI: https://kotorizemi.jp/
Description: ことりゼミ公式サイト用オリジナルWordPressテーマ
Author: ことりゼミ
Version: 1.7.0
Text Domain: kotorizemi
*/
:root{--navy:#102a43;--blue:#276fbf;--sky:#eaf4fb;--gold:#d7a84b;--ink:#17212b;--muted:#647487;--white:#fff;--line:#dbe5ee;--bg:#f7fafc}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;line-height:1.85;background:#fff}a{color:inherit}.kz-wrap{width:min(1120px,calc(100% - 40px));margin:auto}.kz-header{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.kz-head{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}.kz-brand{text-decoration:none;font-weight:800;font-size:23px;letter-spacing:.04em;color:var(--navy);display:flex;align-items:center;gap:10px}.kz-mark{width:34px;height:34px;border-radius:50% 50% 46% 54%;background:linear-gradient(145deg,var(--blue),#54a5d8);display:inline-grid;place-items:center;color:white;font-size:19px}.kz-nav{display:flex;gap:24px;align-items:center;font-size:14px;font-weight:700}.kz-nav a{text-decoration:none}.kz-nav .contact{padding:10px 17px;background:var(--navy);color:white;border-radius:999px}.kz-hero{position:relative;overflow:hidden;padding:100px 0 88px;background:linear-gradient(135deg,#f8fbff 0%,#edf6fb 58%,#fdf9ef 100%)}.kz-hero:after{content:"";position:absolute;width:440px;height:440px;border:80px solid rgba(39,111,191,.07);border-radius:50%;right:-130px;top:-180px}.kz-eyebrow{display:inline-flex;align-items:center;gap:8px;font-weight:800;color:var(--blue);letter-spacing:.12em;font-size:13px}.kz-eyebrow:before{content:"";width:32px;height:2px;background:var(--gold)}.kz-hero h1{font-size:clamp(38px,6vw,68px);line-height:1.25;letter-spacing:.015em;color:var(--navy);margin:18px 0 20px;max-width:900px}.kz-hero h1 span{color:var(--blue)}.kz-lead{font-size:18px;color:#4d6072;max-width:730px;margin:0 0 32px}.kz-actions{display:flex;gap:12px;flex-wrap:wrap}.kz-btn{display:inline-flex;align-items:center;justify-content:center;padding:13px 22px;border-radius:10px;text-decoration:none;font-weight:800}.kz-btn.primary{background:var(--navy);color:#fff}.kz-btn.secondary{background:#fff;color:var(--navy);border:1px solid var(--line)}.kz-section{padding:84px 0}.kz-section.alt{background:var(--bg)}.kz-title{text-align:center;max-width:760px;margin:0 auto 42px}.kz-title small{font-weight:800;color:var(--blue);letter-spacing:.14em}.kz-title h2{font-size:clamp(28px,4vw,40px);line-height:1.45;color:var(--navy);margin:7px 0 12px}.kz-title p{color:var(--muted);margin:0}.kz-points{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.kz-point{padding:30px;background:#fff;border:1px solid var(--line);border-radius:16px}.kz-num{font:800 12px/1 sans-serif;color:var(--gold);letter-spacing:.12em}.kz-point h3{color:var(--navy);font-size:20px;margin:12px 0 8px}.kz-point p{color:var(--muted);margin:0;font-size:15px}.kz-courses{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.kz-course{position:relative;overflow:hidden;display:flex;flex-direction:column;min-height:390px;padding:30px;border-radius:20px;background:#fff;border:1px solid var(--line);text-decoration:none;box-shadow:0 12px 32px rgba(16,42,67,.06);transition:.2s}.kz-course:hover{transform:translateY(-4px);box-shadow:0 18px 40px rgba(16,42,67,.11)}.kz-course:before{content:"";height:6px;position:absolute;left:0;right:0;top:0;background:var(--accent)}.kz-course.todai{--accent:#7256a8}.kz-course.iss{--accent:#2777bd}.kz-course.ocha{--accent:#bd5264}.kz-tag{font-size:12px;font-weight:800;color:var(--accent);letter-spacing:.08em}.kz-course h3{font-size:23px;line-height:1.55;color:var(--navy);margin:12px 0 14px}.kz-course p{font-size:15px;color:var(--muted);margin:0 0 18px}.kz-tests{margin-top:auto;padding-top:18px;border-top:1px solid var(--line);font-size:14px;font-weight:700;color:#3e5367}.kz-more{display:flex;justify-content:space-between;align-items:center;margin-top:20px;font-weight:800;color:var(--accent)}.kz-method{display:grid;grid-template-columns:1fr 1fr;gap:20px}.kz-method-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px}.kz-method-card h3{margin:0 0 8px;color:var(--navy)}.kz-method-card p{margin:0;color:var(--muted)}.kz-price{max-width:760px;margin:auto;background:var(--navy);color:white;border-radius:22px;padding:38px;text-align:center}.kz-price h2{margin:0 0 20px;font-size:30px}.kz-price-grid{display:grid;grid-template-columns:1fr 1fr;gap:1px;background:rgba(255,255,255,.2);border:1px solid rgba(255,255,255,.2);border-radius:12px;overflow:hidden}.kz-price-grid div{background:var(--navy);padding:20px}.kz-price-grid span{display:block;font-size:13px;opacity:.8}.kz-price-grid strong{font-size:29px}.kz-price p{font-size:14px;opacity:.8;margin:18px 0 0}.kz-blog{display:flex;justify-content:space-between;align-items:center;gap:28px;background:linear-gradient(135deg,#eef6fb,#fff);border:1px solid var(--line);border-radius:18px;padding:32px}.kz-blog h3{margin:0 0 5px;color:var(--navy);font-size:23px}.kz-blog p{margin:0;color:var(--muted)}.kz-footer{background:#0d2235;color:#c9d5df;padding:34px 0;text-align:center;font-size:13px}.kz-note{text-align:center;color:var(--muted);font-size:13px;margin-top:22px}
@media(max-width:820px){.kz-wrap{width:min(100% - 32px,1120px)}.kz-head{height:64px}.kz-brand{font-size:20px}.kz-nav a:not(.contact){display:none}.kz-nav .contact{font-size:13px;padding:9px 13px}.kz-hero{padding:48px 0 44px}.kz-hero:after{width:320px;height:320px;border-width:58px;right:-130px;top:-110px}.kz-eyebrow{font-size:12px}.kz-hero h1{font-size:clamp(29px,7.9vw,36px);line-height:1.34;letter-spacing:0;margin:14px 0 16px;max-width:100%}.kz-lead{font-size:15px;line-height:1.8;margin-bottom:22px}.kz-actions{gap:9px}.kz-btn{padding:11px 16px;font-size:14px}.kz-section{padding:50px 0}.kz-title{margin-bottom:30px}.kz-title h2{font-size:27px}.kz-points,.kz-courses,.kz-method{grid-template-columns:1fr}.kz-point{padding:24px}.kz-course{min-height:0;padding:26px 22px}.kz-course h3{font-size:21px}.kz-tests{margin-top:12px}.kz-price{padding:28px 20px}.kz-price h2{font-size:25px}.kz-price-grid strong{font-size:24px}.kz-blog{display:block;padding:25px 22px}.kz-blog .kz-btn{margin-top:18px;width:100%}}

.kz-logo{width:48px;height:48px;object-fit:contain;border-radius:50%;background:#fff}.kz-brand{gap:9px}@media(max-width:820px){.kz-logo{width:42px;height:42px}}

.kz-line-head{padding:10px 17px;background:#06c755!important;color:#fff!important;border-radius:999px;text-decoration:none;font-weight:800}.kz-line-section{padding:0 0 72px}.kz-line-box{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:34px 38px;border-radius:20px;background:#f0faf3;border:1px solid #d6efdd}.kz-line-box h2{margin:0 0 6px;color:var(--navy);font-size:27px}.kz-line-box p{margin:0;color:var(--muted)}.kz-line-btn{display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;padding:15px 24px;border-radius:12px;background:#06c755;color:#fff;text-decoration:none;font-weight:800}.kz-line-btn:hover{opacity:.9}
@media(max-width:820px){.kz-line-head{display:none}.kz-line-section{padding:0 0 48px}.kz-line-box{display:block;padding:26px 22px}.kz-line-box h2{font-size:23px}.kz-line-box p{font-size:14px;line-height:1.75}.kz-line-btn{width:100%;margin-top:18px;padding:14px 16px}}


/* v1.4 LINE button refinement */
.kz-line-head{
  display:inline-flex;
  align-items:center;
  gap:9px;
  padding:9px 14px 9px 10px !important;
  background:linear-gradient(135deg,#12cf63 0%,#06b94f 100%) !important;
  color:#fff !important;
  border-radius:999px;
  box-shadow:0 8px 20px rgba(6,199,85,.22);
  border:1px solid rgba(255,255,255,.35);
  transition:transform .18s ease, box-shadow .18s ease;
}
.kz-line-head:hover{transform:translateY(-1px);box-shadow:0 12px 26px rgba(6,199,85,.28)}
.kz-line-icon{
  display:inline-grid;
  place-items:center;
  min-width:38px;
  height:38px;
  padding:0 7px;
  border-radius:12px;
  background:#fff;
  color:#06b94f;
  font-size:11px;
  font-weight:900;
  letter-spacing:-.02em;
  box-shadow:inset 0 0 0 1px rgba(6,199,85,.08);
}
.kz-line-arrow{font-size:18px;font-weight:900;line-height:1;transition:transform .18s ease}
.kz-line-head:hover .kz-line-arrow,.kz-line-btn:hover .kz-line-arrow{transform:translateX(3px)}
.kz-line-section{padding:8px 0 78px}
.kz-line-box{
  position:relative;
  overflow:hidden;
  padding:36px 38px;
  border-radius:24px;
  background:linear-gradient(135deg,#f5fff8 0%,#ebfbf1 60%,#f7fffa 100%);
  border:1px solid #cdeed8;
  box-shadow:0 16px 36px rgba(16,42,67,.07);
}
.kz-line-box:after{
  content:"";
  position:absolute;
  width:180px;height:180px;
  right:-70px;top:-90px;
  border-radius:50%;
  background:rgba(6,199,85,.08);
  pointer-events:none;
}
.kz-line-box h2{font-size:28px;letter-spacing:.01em}
.kz-line-btn{
  position:relative;
  z-index:1;
  min-width:310px;
  gap:12px;
  padding:12px 16px 12px 12px;
  border-radius:16px;
  background:linear-gradient(135deg,#12cf63 0%,#05ad49 100%);
  color:#fff;
  box-shadow:0 12px 26px rgba(6,199,85,.24);
  border:1px solid rgba(255,255,255,.4);
  transition:transform .18s ease, box-shadow .18s ease;
}
.kz-line-btn:hover{opacity:1;transform:translateY(-2px);box-shadow:0 16px 32px rgba(6,199,85,.3)}
.kz-line-copy{display:flex;flex-direction:column;align-items:flex-start;line-height:1.25}
.kz-line-copy b{font-size:16px}
.kz-line-copy small{font-size:11px;font-weight:700;opacity:.86;margin-top:3px}
@media(max-width:820px){
  .kz-line-section{padding:6px 0 50px}
  .kz-line-box{padding:24px 18px;border-radius:20px}
  .kz-line-box h2{font-size:22px}
  .kz-line-btn{width:100%;min-width:0;margin-top:18px;padding:12px 14px 12px 12px;border-radius:15px}
  .kz-line-icon{min-width:42px;height:42px;border-radius:13px}
  .kz-line-copy b{font-size:15px}
  .kz-line-copy small{font-size:10px}
}

/* v1.5 contact CTA emphasis */
.kz-line-section{padding:18px 0 82px;background:linear-gradient(180deg,#fff 0%,#f7fbff 100%)}
.kz-line-box{border:0;border-radius:28px;padding:42px;background:linear-gradient(135deg,#102a43 0%,#153c5d 100%);box-shadow:0 22px 50px rgba(16,42,67,.18);color:#fff}
.kz-line-box:before{content:"";position:absolute;width:240px;height:240px;left:-100px;bottom:-150px;border-radius:50%;background:rgba(255,255,255,.05)}
.kz-line-box:after{width:220px;height:220px;right:-70px;top:-110px;background:rgba(6,199,85,.16)}
.kz-line-box h2{color:#fff;font-size:30px;margin:0 0 8px}.kz-line-box p{color:#d9e5ee;font-size:16px;max-width:560px}
.kz-line-btn{min-width:330px;padding:14px 18px 14px 14px;border-radius:18px;background:linear-gradient(135deg,#18d968 0%,#06b94f 100%);box-shadow:0 14px 32px rgba(0,0,0,.2),inset 0 1px 0 rgba(255,255,255,.25);border:1px solid rgba(255,255,255,.35)}
.kz-line-btn .kz-line-icon{background:#fff;color:#06b94f;min-width:48px;height:48px;border-radius:15px;font-size:12px}
.kz-line-copy b{font-size:17px}.kz-line-copy small{font-size:12px}.kz-line-arrow{margin-left:auto;font-size:22px}
@media(max-width:820px){.kz-line-section{padding:12px 0 52px}.kz-line-box{padding:30px 22px 24px;border-radius:24px;text-align:left}.kz-line-box h2{font-size:27px;line-height:1.4}.kz-line-box p{font-size:15px;color:#d9e5ee}.kz-line-btn{display:flex;width:100%;min-width:0;margin-top:22px;padding:13px 14px;border-radius:17px}.kz-line-copy b{font-size:16px}.kz-line-copy small{font-size:11px}}