@import url("https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@100..900&display=swap");

:root{
  --bg:#f7fbff;
  --surface:rgba(255,255,255,.84);
  --surface-solid:#fff;
  --text:#172033;
  --muted:#667085;
  --subtle:#8b97a8;
  --line:#dfe7f1;
  --line-strong:#c8d5e5;
  --accent:#2563eb;
  --accent-hover:#1d4ed8;
  --accent-soft:#eef6ff;
  --ok:#15966b;
  --ok-bg:#eefbf6;
  --bad:#d94b58;
  --bad-bg:#fff3f4;
  --shadow:0 14px 40px rgba(45,75,115,.09);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{
  margin:0;
  min-height:100vh;
  color:var(--text);
  font-family:"Noto Sans JP",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  line-height:1.65;
  background:
    radial-gradient(circle at 8% 0%,rgba(126,193,255,.16),transparent 28rem),
    radial-gradient(circle at 92% 16%,rgba(181,229,224,.13),transparent 25rem),
    var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:inherit}
button,select,input,textarea{font:inherit}
button,a,select,input{outline-offset:3px}
:focus-visible{outline:3px solid rgba(37,99,235,.22)}

/* shared header */
.site-bar,.practice-bar{
  height:66px;
  padding:0 max(4vw,calc((100vw - 1200px)/2));
  display:flex;
  align-items:center;
  gap:18px;
  background:rgba(255,255,255,.76);
  border-bottom:1px solid rgba(205,219,235,.82);
  position:sticky;
  top:0;
  z-index:20;
  backdrop-filter:blur(16px) saturate(135%);
  -webkit-backdrop-filter:blur(16px) saturate(135%);
}
.site-bar{justify-content:flex-start}
.site-bar-actions{margin-left:auto;display:flex;align-items:center;gap:8px}
.header-home-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 9px;text-decoration:none;color:#526174;font-size:12px;font-weight:800;border-radius:9px;transition:color .15s ease,background .15s ease}
.header-home-link:hover{color:var(--accent);background:rgba(238,246,255,.78)}
.header-progress-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 11px;border:1px solid #c9d9ea;border-radius:9px;background:rgba(255,255,255,.72);white-space:nowrap}
.header-progress-link:hover{border-color:#9ebfe2;background:#fff}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;min-width:0}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;flex:none;
  border:0;border-radius:0;background:none;box-shadow:none
}
.brand-mark-image{display:block;width:36px;height:36px;object-fit:contain}
.brand-copy{display:grid;line-height:1.08;gap:4px;min-width:0}
.brand-copy strong{font-size:14px;letter-spacing:-.01em;white-space:nowrap}
.brand-copy small{font-size:8px;color:var(--subtle);font-weight:800;letter-spacing:.13em;white-space:nowrap}
.header-action,.text-link,.back-link{
  text-decoration:none;color:#526174;font-weight:750;font-size:13px;transition:color .15s ease
}
.header-action:hover,.text-link:hover,.back-link:hover{color:var(--accent)}

/* home */
.home-wrap{width:min(92vw,1200px);margin:0 auto;padding:28px 0 62px}
.hero{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(460px,min(48vw,640px));align-items:stretch;
  gap:0;padding:4px 0 0;border-bottom:0;overflow:visible
}
.hero-copy-column{position:relative;z-index:2;min-width:0;max-width:none}
.eyebrow{margin:0 0 9px;color:var(--accent);font-size:11px;font-weight:900;letter-spacing:.18em}
.hero-headline{
  position:relative;z-index:3;width:calc(100% + clamp(230px,21vw,350px));margin:0;
  color:var(--text);font-weight:860;letter-spacing:-.052em;text-wrap:nowrap;
  text-shadow:0 1px 0 rgba(255,255,255,.98),0 0 16px rgba(255,255,255,.94),0 0 30px rgba(255,255,255,.78)
}
.hero-title-line{display:block;white-space:nowrap;font-size:clamp(34px,4vw,54px);line-height:1.08}
.hero-title-line-2{margin-top:5px;font-size:clamp(34px,4vw,54px);letter-spacing:-.052em}
.hero-copy{
  position:relative;z-index:3;margin:20px 0 0;max-width:none;white-space:nowrap;
  color:#526174;font-size:clamp(11.5px,1vw,12.5px);line-height:1.6;letter-spacing:-.02em
}
.hero-actions{display:flex;align-items:center;gap:11px;flex-wrap:wrap;margin-top:25px}
.hero-meta{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:14px 0 0}
.hero-badge{display:inline-flex;align-items:center;min-height:27px;padding:4px 10px;border:1px solid #d6e1ed;border-radius:999px;background:rgba(255,255,255,.82);color:#526174;font-size:11px;font-weight:820;line-height:1;white-space:nowrap;box-shadow:0 3px 10px rgba(45,75,115,.035)}
.hero-badge-count{border-color:#c5dcf7;background:#eef6ff;color:#2867b2}
.hero-badge-free{border-color:#bfe5d6;background:#effaf6;color:#0c7c59}
.hero-visual{position:relative;z-index:1;justify-self:end;align-self:stretch;width:min(48vw,640px);min-width:460px;max-width:none;transform:translateX(-26px);display:flex}
.hero-visual-frame{
  position:relative;overflow:hidden;border-radius:28px;border:1px solid rgba(210,224,238,.96);
  background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(240,248,255,.93));
  box-shadow:0 20px 48px rgba(45,75,115,.12),0 0 0 10px rgba(255,255,255,.46);
  width:100%;height:100%;min-height:100%
}
.hero-visual-frame::before{
  content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,0));pointer-events:none
}
.hero-visual img{display:block;width:100%;height:100%;min-height:100%;aspect-ratio:16/9;object-fit:cover;object-position:center}
.primary-link,.btn-primary{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;text-decoration:none;
  background:var(--accent);color:#fff;border:1px solid var(--accent);border-radius:11px;
  padding:12px 18px;font-weight:800;cursor:pointer;box-shadow:0 8px 22px rgba(37,99,235,.16);
  transition:background .15s ease,border-color .15s ease,transform .15s ease,box-shadow .15s ease
}
.primary-link:hover,.btn-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px);box-shadow:0 11px 28px rgba(37,99,235,.2)}
.secondary-link{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;text-decoration:none;
  color:#40536a;border:1px solid var(--line-strong);background:rgba(255,255,255,.66);
  border-radius:11px;padding:12px 16px;font-weight:780;transition:.15s ease
}
.secondary-link:hover{border-color:#aebfd3;background:#fff;color:var(--accent)}
.hero-text-link{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:10px 4px;text-decoration:none;color:#526174;font-size:12px;font-weight:800;white-space:nowrap}
.hero-text-link:hover{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.question-total{margin:15px 0 0;color:var(--subtle);font-size:12px;font-weight:750}
.mobile-only{display:none}

.practice-select{padding-top:0}
.section-heading{max-width:820px;margin:0 0 10px}
.section-heading h2{font-size:clamp(29px,3.2vw,38px);letter-spacing:-.03em;line-height:1.22;margin:0}
.section-heading>p:last-child{margin:6px 0 0;color:#5b6b80;font-size:13px;line-height:1.55}
.practice-mode-row{display:flex;align-items:center;gap:14px;margin:6px 0 14px}
.practice-mode-label{color:#1d2b43;font-size:13px;font-weight:860;letter-spacing:-.01em;white-space:nowrap}
.practice-mode-switch{position:relative;display:inline-grid;grid-template-columns:repeat(3,auto);padding:4px;border:1px solid #cfdae6;border-radius:999px;background:#edf3f8;box-shadow:inset 0 1px 0 rgba(255,255,255,.7);overflow:hidden}
.practice-mode-slider{position:absolute;z-index:0;border-radius:999px;background:#fff;box-shadow:0 2px 8px rgba(35,78,125,.14);opacity:0;pointer-events:none;transition:left .28s cubic-bezier(.22,.8,.28,1),width .28s cubic-bezier(.22,.8,.28,1),top .28s cubic-bezier(.22,.8,.28,1),height .28s cubic-bezier(.22,.8,.28,1),opacity .12s ease}
.practice-mode-switch.is-slider-ready .practice-mode-slider{opacity:1}
.practice-mode-slider.no-animate{transition:none}
.practice-mode-switch button{position:relative;z-index:1;min-height:34px;padding:6px 15px;border:0;border-radius:999px;background:transparent;color:#4e6075;font-size:11.5px;font-weight:830;cursor:pointer;white-space:nowrap;transition:color .2s ease}
.practice-mode-switch button:hover{color:#245f9c}
.practice-mode-switch button[aria-pressed="true"]{background:#fff;color:var(--accent);box-shadow:0 2px 8px rgba(35,78,125,.14)}
.practice-mode-switch.is-slider-ready button[aria-pressed="true"]{background:transparent;box-shadow:none}
.level-check-card{
  display:grid;grid-template-columns:108px minmax(0,1fr) auto;align-items:center;gap:14px;
  min-height:58px;margin:0 0 10px;padding:8px 12px;border:1px solid #bcd6f3;border-radius:11px;
  background:linear-gradient(120deg,rgba(233,245,255,.98),rgba(255,255,255,.94));text-decoration:none;
  box-shadow:0 7px 20px rgba(45,75,115,.055);transition:border-color .15s ease,transform .15s ease,box-shadow .15s ease
}
.level-check-card:hover{border-color:#8ebbed;transform:translateY(-1px);box-shadow:0 11px 26px rgba(45,75,115,.095)}
.level-check-badge{color:var(--accent);font-size:10px;font-weight:900;letter-spacing:.16em;white-space:nowrap}
.level-check-main{min-width:0}
.level-check-main strong{font-size:16px;line-height:1.3;letter-spacing:-.01em;color:#172033}
.level-check-cta{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:8px 12px;border-radius:9px;background:var(--accent);color:#fff;font-size:12px;font-weight:820;white-space:nowrap}
.level-check-cta b{font-size:15px}
.level-list{border-top:1px solid var(--line)}
.level-row{display:grid;grid-template-columns:160px minmax(0,1fr);gap:14px;padding:10px 0;border-bottom:1px solid var(--line);align-items:center;scroll-margin-top:78px}
.level-overview{min-height:58px;display:grid;grid-template-rows:auto auto auto;align-content:space-between;gap:2px;padding:0}
.level-title{display:flex;align-items:flex-end;justify-content:space-between;gap:8px}
.level-title strong{font-size:28px;line-height:.95;letter-spacing:-.045em}
.level-title>span{padding-bottom:1px;color:#526174;font-size:10.5px;font-weight:800;white-space:nowrap}
.level-note{display:block;margin-top:0;color:#66758a;font-size:8.5px;line-height:1.05;text-transform:uppercase;letter-spacing:.05em;font-weight:820;white-space:nowrap}
.level-progress{display:grid;gap:3px}
.level-progress-text{display:grid;grid-template-columns:minmax(0,1fr) auto auto;align-items:center;gap:6px;color:#40536a;font-size:11px;font-weight:810;white-space:nowrap}
.level-progress-text strong{margin-left:0;color:var(--accent);font-size:11px;font-weight:900;font-variant-numeric:tabular-nums;justify-self:end}
.level-review-count{display:inline-flex;align-items:center;justify-content:center;min-width:52px;color:#a76118;font-size:10.5px;font-weight:880}
.level-review-count[hidden]{display:inline-flex;visibility:hidden}
.level-progress-track{height:4px;overflow:hidden;border-radius:999px;background:#dbe6f1}
.level-progress-track span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#70aaf5,var(--accent));transition:width .3s ease}
.level-row.is-complete .level-progress-track span{background:linear-gradient(90deg,#45bd92,var(--ok))}
.level-row.is-complete .level-progress-text strong{color:var(--ok)}
.drill-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:7px}
.drill-link{
  --drill-accent:#7fa8d6;--drill-wash:rgba(96,150,216,.055);
  position:relative;overflow:hidden;height:58px;min-height:58px;box-sizing:border-box;display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:8px 11px;border:1px solid #c7d7e7;border-radius:10px;
  background:linear-gradient(135deg,var(--drill-wash) 0%,rgba(255,255,255,.985) 44%,rgba(248,251,254,.96) 100%);
  box-shadow:0 1px 2px rgba(38,67,101,.045),inset 0 1px 0 rgba(255,255,255,.75);
  text-decoration:none;cursor:pointer;transition:border-color .15s ease,background .15s ease,transform .15s ease,box-shadow .15s ease
}
.drill-link[data-type]::before{content:"";position:absolute;left:0;top:9px;bottom:9px;width:3px;border-radius:0 999px 999px 0;background:var(--drill-accent);opacity:.48;transition:opacity .15s ease,top .15s ease,bottom .15s ease}
.drill-link[data-type="vocabulary"]{--drill-accent:#5b91d6;--drill-wash:rgba(75,137,211,.065)}
.drill-link[data-type="grammar"]{--drill-accent:#8a78c9;--drill-wash:rgba(125,103,194,.055)}
.drill-link[data-type="kanji_reading"]{--drill-accent:#55a88d;--drill-wash:rgba(76,157,129,.055)}
.drill-link[data-type="kanji_choice"]{--drill-accent:#c99954;--drill-wash:rgba(190,139,70,.052)}
.drill-link:hover{border-color:#91b7df;background:linear-gradient(135deg,var(--drill-wash) 0%,#fff 48%,#f3f8ff 100%);transform:translateY(-1px);box-shadow:0 6px 16px rgba(45,75,115,.09)}
.drill-link[data-type]:hover::before{opacity:.72;top:7px;bottom:7px}
.drill-link:active{transform:translateY(0);box-shadow:0 1px 3px rgba(45,75,115,.07)}
.drill-link:focus-visible{outline:3px solid rgba(37,99,235,.18);outline-offset:2px;border-color:#7daee1}
.drill-copy,.drill-meta{position:relative;z-index:1}
.drill-copy{display:grid;gap:0;min-width:0}
.drill-copy strong{font-size:17px;line-height:1.18;letter-spacing:-.018em;color:#111b2e;font-weight:850;white-space:nowrap}
.drill-copy small{margin-top:1px;font-size:9.8px;color:#5f6f84;font-weight:760;white-space:nowrap}
.drill-meta{display:flex;align-items:center;justify-content:flex-end;color:#40536a;font-size:11.2px;font-weight:820;white-space:nowrap;min-width:0}
.drill-stats{display:grid;grid-template-rows:repeat(2,auto);justify-items:end;align-content:center;gap:1px;min-width:94px;padding:4px 7px;border-radius:7px;background:rgba(237,244,251,.72);line-height:1.05;white-space:nowrap}
.review-needed{color:#a76118;font-size:10px;font-weight:880;white-space:nowrap}
.review-needed[hidden]{display:block;visibility:hidden}
.drill-link.has-review{border-color:#dec9ae;box-shadow:0 0 0 1px rgba(222,201,174,.18)}
.drill-link.has-review .drill-stats{background:rgba(255,246,235,.9)}
.drill-link.is-complete .review-needed{color:#a76118}
.drill-link.has-progress{border-color:#d3e1ef}
.drill-link.is-complete{border-color:#a6dcc9;background:rgba(241,252,247,.9)}
.drill-link.is-complete .drill-meta{color:#087153}
.drill-link.is-complete .drill-stats{background:rgba(232,248,240,.9)}
.level-progress-text [data-progress-count],.drill-stats [data-type-progress]{color:#40536a;font-size:11px;font-weight:830;line-height:1.15;white-space:nowrap}
.level-progress-text [data-progress-count]{min-width:0;overflow:hidden;text-overflow:ellipsis}
.level-row.is-complete .level-progress-text [data-progress-count],.drill-link.is-complete .drill-stats [data-type-progress]{color:#087153}
.drill-link.disabled{background:rgba(242,246,250,.72);box-shadow:none;color:#98a2b3;pointer-events:none;cursor:default}
.drill-link.disabled .drill-meta,.drill-link.disabled .drill-copy small{color:#aab2bd}

.history-tools{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0 0;padding:10px 0 0}
.history-note{margin:0;color:#6a788b;font-size:10.5px;line-height:1.5}
.history-reset-button{flex:0 0 auto;border:1px solid #cbd9e7;border-radius:999px;background:rgba(255,255,255,.78);color:#526174;padding:7px 12px;font:inherit;font-size:10.5px;font-weight:800;cursor:pointer;transition:border-color .15s ease,background .15s ease,color .15s ease}
.history-reset-button:hover:not(:disabled){border-color:#9eb8d3;background:#fff;color:#245f9c}
.history-reset-button:focus-visible{outline:3px solid rgba(37,99,235,.16);outline-offset:2px}
.history-reset-button:disabled{opacity:.45;cursor:default}

.ad-wrap{margin:32px 0;min-height:80px}
.home-hero-ad{margin:22px 0 24px;min-height:80px}
.related-services{margin-top:30px}
.related-heading{margin:0 0 10px}
.related-heading .eyebrow{margin-bottom:4px;font-size:9.5px}
.related-heading h2{margin:0;font-size:20px;line-height:1.3;letter-spacing:-.018em}
.related-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:0}
.service-link{
  position:relative;overflow:hidden;display:grid;grid-template-columns:minmax(0,1fr) 190px;grid-template-rows:auto 1fr;gap:8px 18px;align-items:center;
  min-height:148px;padding:16px 18px;border:1px solid #c7d9eb;border-radius:16px;text-decoration:none;
  background:linear-gradient(135deg,rgba(244,250,255,.99),rgba(255,255,255,.97));
  box-shadow:0 12px 28px rgba(45,75,115,.075),inset 0 1px 0 rgba(255,255,255,.9);
  transition:border-color .16s ease,transform .16s ease,box-shadow .16s ease,background .16s ease
}
.service-link::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:5px;border-radius:16px 0 0 16px;
  background:linear-gradient(180deg,#4b8dff,#87b8ff)
}
.service-link::after{
  content:"";position:absolute;right:-18px;top:-22px;width:120px;height:120px;border-radius:999px;
  background:radial-gradient(circle,rgba(116,176,244,.18),rgba(116,176,244,0) 68%);pointer-events:none
}
.service-link:hover{border-color:#90b9e6;transform:translateY(-2px);box-shadow:0 16px 34px rgba(45,75,115,.12),inset 0 1px 0 rgba(255,255,255,.95);background:linear-gradient(135deg,rgba(248,252,255,1),rgba(255,255,255,.98))}
.service-kicker{grid-column:1;grid-row:1;display:inline-flex;align-items:center;gap:6px;font-size:9.5px;letter-spacing:.16em;font-weight:900;color:#376cab}
.service-main{grid-column:1;grid-row:2;display:grid;gap:5px;min-width:0}
.service-main strong{font-size:19px;line-height:1.28;letter-spacing:-.015em;color:#172033}
.service-main small{font-size:12.5px;line-height:1.45;color:#5b6b80}
.service-preview{grid-column:2;grid-row:1/3;justify-self:end;width:190px;height:108px;overflow:hidden;border:1px solid rgba(165,190,215,.9);border-radius:11px;background:rgba(255,255,255,.9);box-shadow:0 8px 18px rgba(45,75,115,.1)}
.service-preview img{display:block;width:100%;height:100%;object-fit:cover}
.service-preview-crossword img{object-position:center center}
.service-preview-edn img{object-position:center center}
.sister-service{border-color:#c9dbef;background:linear-gradient(135deg,rgba(243,249,255,.99),rgba(255,255,255,.97))}
.edn-service{border-color:#bfe0dc;background:linear-gradient(135deg,rgba(240,251,248,.99),rgba(255,255,255,.97))}
.edn-service::before{background:linear-gradient(180deg,#20a7a0,#70d0c8)}
.edn-service::after{background:radial-gradient(circle,rgba(94,203,186,.18),rgba(94,203,186,0) 68%)}
.edn-service .service-kicker{color:#168f8a}
.edn-service:hover{border-color:#8bcac3;background:linear-gradient(135deg,rgba(245,253,251,1),rgba(255,255,255,.98))}
.site-footer{width:min(92vw,1200px);margin:0 auto;padding:25px 0 42px;display:flex;justify-content:space-between;gap:24px;color:var(--muted);font-size:12px}
.site-footer nav{display:flex;gap:18px}.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--accent)}

/* practice */
.practice-bar{justify-content:space-between}
.practice-bar>strong{font-size:14px;position:absolute;left:50%;transform:translateX(-50%);white-space:nowrap;letter-spacing:-.01em}
.practice-tools{display:flex;align-items:center;gap:7px}
.tiny-toggle{
  border:1px solid var(--line-strong);background:rgba(255,255,255,.74);color:#526174;border-radius:999px;
  padding:7px 10px;font-size:11px;font-weight:800;cursor:pointer;transition:.15s ease
}
.tiny-toggle:hover{border-color:#aec1d8;background:#fff}
.tiny-toggle[aria-pressed="true"]{background:var(--accent-soft);border-color:#9fc5f4;color:var(--accent)}
.lang-select{max-width:150px;border:1px solid var(--line-strong);background:rgba(255,255,255,.78);border-radius:9px;padding:7px 8px;color:#40536a;font-size:11px}
.practice-wrap,.levelcheck-wrap{width:min(820px,calc(100% - 28px));margin:0 auto;padding:24px 0 58px}
.progress-line{height:4px;background:#e5edf6;border-radius:99px;overflow:hidden}
.progress-line>div{height:100%;width:0;background:linear-gradient(90deg,#4e8ff5,var(--accent));transition:width .25s ease;border-radius:99px}
.status-row{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;margin:12px 0 20px;color:var(--muted);font-size:12px}
.status-row strong{color:var(--text);font-size:16px;font-variant-numeric:tabular-nums}
.status-row span:last-child{text-align:right}
.quiz-stage{transition:opacity .18s ease,transform .18s ease}
.quiz-stage.fade-out{opacity:0;transform:translateY(5px)}
.loading,.error-box{padding:64px 20px;text-align:center;color:var(--muted)}
.question-shell{position:relative}
.quiz-meta{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-bottom:10px;color:var(--muted);font-size:12px}
.quiz-meta span+span{padding-left:8px;border-left:1px solid var(--line)}
.quiz-no{color:var(--accent);font-weight:900;letter-spacing:.02em}
.question-text{font-size:clamp(22px,3.7vw,30px);line-height:1.68;letter-spacing:.005em;margin:0 0 25px;font-weight:680}
.question-text .kanji{text-decoration-line:underline;text-decoration-color:#e54857;text-decoration-thickness:2px;text-underline-offset:5px;text-decoration-skip-ink:none}
.choices{display:grid;gap:9px}
.choice{
  width:100%;min-height:58px;display:flex;align-items:center;gap:12px;text-align:left;
  border:1px solid #d5e0eb;background:rgba(255,255,255,.86);color:var(--text);border-radius:11px;
  padding:12px 14px;font-size:16px;font-weight:630;cursor:pointer;
  transition:border-color .12s ease,background .12s ease,transform .12s ease,box-shadow .12s ease
}
.choice:hover:not(:disabled){border-color:#9eb9d7;background:#fff;transform:translateY(-1px);box-shadow:0 6px 20px rgba(45,75,115,.06)}
.choice:disabled{cursor:default}
.choice-prefix{width:30px;height:30px;display:grid;place-items:center;flex:none;border-radius:50%;background:#f0f5fa;color:#526174;font-size:12px;font-weight:850}
.choice.wrong{border-color:#f0aeb6;background:var(--bad-bg);color:#913641}
.choice.wrong .choice-prefix{background:#ffe0e4;color:#a32938}
.choice.correct{border-color:#8bd9bd;background:var(--ok-bg);color:#096b4b}
.choice.correct .choice-prefix{background:#c8f1df;color:#086b4a}
.result-message{display:none;margin:15px 0 0;padding:10px 0;font-weight:800;font-size:14px;border-bottom:1px solid var(--line)}
.result-message.show{display:block}
.result-message.ok{color:#087153}.result-message.bad{color:#a02c3a}
.feedback-panel{display:none;margin-top:19px;border-top:1px solid var(--line);padding-top:18px}
.feedback-panel.show{display:block}
.correct-sentence{margin:0 0 11px;font-size:16px;font-weight:800;line-height:1.7}
.correct-sentence::before{content:"正しい文";display:block;margin-bottom:3px;color:var(--subtle);font-size:10px;letter-spacing:.08em;font-weight:850}
.explanation{margin:0;color:#40536a;white-space:pre-wrap}
.audio-row{margin-top:16px}.audio-row audio{width:min(100%,460px);height:40px}
.translate-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:13px}
.translate-btn{border:0;background:transparent;padding:2px 0;color:var(--accent);text-decoration:none;font:inherit;font-size:12px;font-weight:750;cursor:pointer}
.translate-btn:hover{text-decoration:underline;text-underline-offset:3px}
.translate-output{display:none;margin-top:10px;padding:13px 14px;background:rgba(238,246,255,.78);border:1px solid #d9e9fb;border-radius:9px;color:#40536a}
.translate-output.show{display:block}
.next-row{display:none;justify-content:flex-end;margin-top:22px}.next-row.show{display:flex}
.btn-next,.btn-secondary,.btn-danger{border:1px solid transparent;border-radius:10px;padding:11px 18px;font-weight:800;font-size:13px;cursor:pointer;transition:.15s ease}
.btn-next{background:var(--accent);border-color:var(--accent);color:#fff;box-shadow:0 7px 18px rgba(37,99,235,.14)}
.btn-next:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}
.btn-secondary{background:rgba(255,255,255,.78);border-color:var(--line-strong);color:#40536a}
.btn-secondary:hover{background:#fff;border-color:#afc0d3}
.btn-danger{background:var(--bad-bg);border-color:#f2c4ca;color:#a72f3c}
.btn-danger:hover{background:#ffecef}
.quiz-id{margin-top:14px;text-align:right;color:#a6b0bd;font-size:9px;letter-spacing:.07em}
.input-notice{margin:-11px 0 14px;color:var(--muted);font-size:11px}
.input-form{display:grid;gap:10px}
.input-answer-row{display:flex;align-items:center;gap:8px}
.input-answer{width:min(300px,72vw);border:1px solid #c9d7e6;border-radius:10px;padding:11px 13px;font-size:18px;background:rgba(255,255,255,.9);color:var(--text)}
.input-answer:focus{border-color:#8bb8ef;box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.okurigana{font-size:18px;font-weight:750}
.input-buttons{display:flex;gap:9px}
.input-status{min-height:26px;margin:10px 0 0;font-weight:800}.input-status.ok{color:#087153}.input-status.bad{color:#a02c3a}.input-status.revealed{color:#526174}
.judge-animation{position:fixed;left:50%;top:50%;z-index:999;transform:translate(-50%,-50%);font-size:min(28vw,170px);line-height:1;font-weight:900;pointer-events:none;animation:judgePop .62s ease forwards;text-shadow:0 5px 28px rgba(0,0,0,.08)}
.judge-animation.ok{color:#20a87a}.judge-animation.bad{color:#df5b66}
@keyframes judgePop{0%{opacity:0;transform:translate(-50%,-50%) scale(.75)}25%{opacity:.96;transform:translate(-50%,-50%) scale(1.05)}68%{opacity:.88;transform:translate(-50%,-50%) scale(1)}100%{opacity:0;transform:translate(-50%,-50%) scale(1)}}
.result-block{text-align:center;padding:24px 0 8px}
.result-block-shareonly{padding:16px 0 8px}
.result-kicker{margin:0 0 4px;color:var(--accent);font-size:10px;letter-spacing:.16em;font-weight:900}
.result-block h2{margin:0 0 10px;font-size:20px;letter-spacing:-.01em}
.result-score{font-size:clamp(48px,9vw,76px);font-weight:900;letter-spacing:-.055em;line-height:1.1}
.result-summary{display:flex;justify-content:center;gap:18px;flex-wrap:wrap;color:var(--muted);font-size:13px;margin-top:7px}
.result-share{width:min(100%,560px);margin:0 auto;padding:0;border:0;background:transparent;text-align:left}
.result-share-title{margin:0 0 12px;color:var(--text);font-size:15px;font-weight:850}
.result-share-copy{margin:4px 0 0;color:var(--muted);font-size:12.5px;line-height:1.65}
.result-share-actions{display:grid;grid-template-columns:1fr;gap:9px;margin-top:14px}
.btn-share-primary,.btn-share-secondary{min-height:44px;border-radius:10px;padding:10px 14px;font-weight:820;cursor:pointer;transition:.15s ease}
.btn-share-primary{border:1px solid var(--accent);background:var(--accent);color:#fff;box-shadow:0 7px 18px rgba(37,99,235,.14)}
.btn-share-primary:hover{background:var(--accent-hover);border-color:var(--accent-hover);transform:translateY(-1px)}
.btn-share-secondary{border:1px solid #bfd5ee;background:#fff;color:#285f9d}
.btn-share-secondary:hover{border-color:#91b8e3;background:#f8fbff}
.btn-share-primary:disabled,.btn-share-secondary:disabled{opacity:.58;cursor:wait;transform:none}
.share-status{min-height:20px;margin:8px 0 0;color:var(--muted);font-size:11.5px;text-align:center}
.share-status.ok{color:#087153}.share-status.bad{color:#a02c3a}
.share-fallback{display:flex;justify-content:center;gap:8px;flex-wrap:wrap;margin-top:4px}
.share-fallback[hidden]{display:none}
.share-fallback-link{display:inline-flex;align-items:center;justify-content:center;min-height:34px;padding:6px 11px;border:1px solid var(--line-strong);border-radius:9px;background:#fff;color:#40536a;text-decoration:none;font-size:11.5px;font-weight:780;cursor:pointer}
.share-fallback-link:hover{border-color:#aebfd3;color:var(--accent)}
.shared-challenge-note{margin:0 24px;padding:8px 12px;border-bottom:1px solid #dce8f5;background:#f5faff;color:#526174;font-size:11.5px;font-weight:700;text-align:center}
.shared-challenge-note span{margin-right:7px;color:var(--accent);font-size:9px;font-weight:900;letter-spacing:.13em}
.share-preview{display:block;margin-top:0;padding:0;border:0;border-radius:0;background:transparent;text-decoration:none}
.share-preview:hover{opacity:.98}
.share-preview-image{display:block;width:100%;border-radius:16px;border:0;background:#fff;box-shadow:0 10px 28px rgba(37,99,235,.12)}
.share-preview-caption{display:block;margin-top:8px;color:#5b6f86;font-size:12px;line-height:1.55}
.result-aria-summary{position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important}
.result-actions .btn-primary{min-width:144px}
.result-actions{margin-top:20px;display:flex;justify-content:center;gap:9px;flex-wrap:wrap}
.result-actions .secondary-link{padding:11px 16px;font-size:13px}
.review-section{margin-top:40px;border-top:1px solid var(--line)}
.review-title{font-size:19px;margin:27px 0 7px;letter-spacing:-.01em}
.review-item{padding:22px 0;border-bottom:1px solid var(--line)}
.review-q{font-size:17px;font-weight:730;margin:0 0 9px;line-height:1.7}.review-q span{color:var(--accent);font-size:12px;margin-right:4px}
.review-answer{margin:0 0 8px;color:#087153;font-weight:800}
.review-correct{margin:0 0 8px;font-weight:720}
.review-explanation{margin:0;color:#526174;white-space:pre-wrap}
.review-item audio{width:min(100%,420px);height:38px;margin-top:12px}
.practice-ad{margin-top:30px}
.audio-error{margin:5px 0 0;color:#a02c3a;font-size:12px}

/* level check */
.levelcheck-wrap{padding-top:27px}
.lc-header{display:flex;justify-content:space-between;align-items:end;gap:18px;margin:3px 0 20px}
.lc-header .eyebrow{margin-bottom:5px}
.lc-header h1{margin:0;font-size:clamp(24px,4vw,32px);letter-spacing:-.025em}
.lc-header p:last-child{margin:5px 0 0;color:var(--muted);font-size:13px}
.lc-header>strong{font-size:12px;color:var(--accent);background:rgba(238,246,255,.8);border:1px solid #d4e7fc;border-radius:999px;padding:6px 10px;white-space:nowrap}
.unknown-choice{margin-top:5px;background:rgba(247,250,253,.9);color:#526174}
.lc-result{text-align:center;padding:24px 0 8px}
.lc-result h2{margin:0 0 4px;font-size:19px}
.lc-result .level{font-size:clamp(66px,14vw,88px);font-weight:900;letter-spacing:-.07em;line-height:1.05;color:var(--accent)}
.lc-result>p{max-width:560px;margin:12px auto;color:#526174}
.lc-summary{display:flex;justify-content:center;gap:16px;flex-wrap:wrap;color:var(--muted);font-size:13px}
.lc-skill{margin:20px auto 0;max-width:430px;text-align:left;border-top:1px solid var(--line);padding-top:15px}
.lc-skill p{margin:7px 0;color:#526174}.lc-skill strong{color:var(--text)}
.lc-actions{display:flex;justify-content:center;gap:9px;flex-wrap:wrap;margin-top:22px}
.lc-actions .primary-link{padding:11px 15px;font-size:13px}

/* admin */
.admin-wrap{width:min(1180px,calc(100% - 28px));margin:0 auto;padding:28px 0 60px}
.admin-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:22px}.admin-head h1{margin:0;font-size:28px}.admin-head p{margin:4px 0 0;color:var(--muted)}
.admin-audio-bulk-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.admin-tts-info{line-height:1.55}.admin-tts-info small{color:#526174}.admin-audio-statusline small+small{color:#087153;font-weight:750}
.admin-filters{display:grid;grid-template-columns:140px 180px 1fr auto;gap:10px;margin:16px 0 20px}
.admin-filters select,.admin-filters input,.edit-form input,.edit-form textarea,.edit-form select{width:100%;border:1px solid #cfdbe8;border-radius:9px;background:#fff;padding:10px 11px;font:inherit}
.admin-table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.88);border:1px solid var(--line);border-radius:12px;overflow:hidden}
.admin-table th,.admin-table td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;font-size:13px;vertical-align:top}.admin-table th{background:#f5f9fd;color:#526174;font-size:12px}.admin-table tr:last-child td{border-bottom:0}.admin-table a{font-weight:700;color:var(--accent)}
.status-pill{display:inline-flex;border-radius:99px;padding:2px 7px;font-size:11px;font-weight:800;background:var(--ok-bg);color:#087153}.status-pill.off{background:#f2f4f7;color:var(--muted)}
.pager{display:flex;justify-content:center;gap:8px;margin-top:18px}.pager a,.pager span{padding:7px 10px;border-radius:8px;border:1px solid var(--line);background:#fff;text-decoration:none;font-size:13px}
.edit-form{max-width:840px}.form-section{margin:20px 0 0;padding-top:18px;border-top:1px solid var(--line)}.field{display:grid;gap:6px;margin-bottom:14px}.field label{font-size:13px;font-weight:750;color:#344054}.field small{color:var(--muted)}
.choice-edit-row{display:grid;grid-template-columns:34px 1fr;gap:8px;align-items:center;margin-bottom:8px}.save-bar{position:sticky;bottom:0;margin-top:24px;padding:12px 0;background:linear-gradient(transparent,var(--bg) 30%);display:flex;gap:10px;justify-content:flex-end}.notice-success{padding:11px 13px;border-radius:9px;background:var(--ok-bg);color:#087153;margin-bottom:15px}

/* static */
.static-wrap{width:min(760px,calc(100% - 32px));margin:0 auto;padding:48px 0 64px}.static-wrap h1{font-size:32px;margin:0 0 22px}.static-wrap h2{font-size:20px;margin:30px 0 8px}.static-wrap p,.static-wrap li{color:#526174}

@media(max-width:820px){
  .level-check-card{grid-template-columns:1fr auto;gap:5px 12px;padding:11px 12px}
  .level-check-badge{grid-column:1/-1}
  .level-check-cta{grid-column:2;grid-row:2}
  .drill-grid{grid-template-columns:1fr 1fr}
  .level-row{grid-template-columns:145px 1fr}
}
@media(max-width:1100px){
  .hero{grid-template-columns:1fr;gap:24px;padding:8px 0 0}
  .hero-headline{width:100%;text-shadow:none}
  .hero-title-line{white-space:normal}
  .hero-copy{white-space:normal;max-width:760px;font-size:14px}
  .hero-visual{justify-self:center;width:min(100%,720px);min-width:0;max-width:100%;transform:none}
}
@media(max-width:760px){
  .site-bar,.practice-bar{height:58px;padding:0 14px}
  .header-action{font-size:12px}
  .site-bar-actions{gap:3px}.header-home-link{padding:5px 6px;font-size:11px}.header-progress-link{min-height:32px;padding:5px 8px;font-size:11px}
  .home-wrap{padding-top:20px}
  .mobile-only{display:block}
  .hero{gap:20px;padding:4px 0 0}
  .hero-title-line{font-size:clamp(28px,7.6vw,39px);line-height:1.12}
  .hero-title-line-2{font-size:clamp(28px,7.6vw,39px);margin-top:6px;letter-spacing:-.052em}
  .hero-copy{font-size:14px;margin-top:16px}
  .hero-visual{width:min(100%,620px)}
  .hero-visual-frame{border-radius:22px;box-shadow:0 14px 36px rgba(45,75,115,.11),0 0 0 8px rgba(255,255,255,.44)}
  .practice-select{padding-top:0}
  .practice-mode-row{align-items:flex-start;flex-direction:column;gap:8px}
  .level-check-card{grid-template-columns:1fr;gap:7px;padding:12px}
  .level-check-badge,.level-check-cta{grid-column:auto;grid-row:auto}
  .level-check-cta{justify-self:start}
  .level-row{grid-template-columns:1fr;gap:8px;padding:11px 0}
  .level-overview{min-height:auto;display:flex;flex-direction:column;gap:7px}
  .level-title{align-items:end;justify-content:space-between}
  .level-title strong{font-size:29px}
  .level-progress{max-width:none}
  .related-links{grid-template-columns:1fr;gap:10px}.service-link{grid-template-columns:minmax(0,1fr) 170px;min-height:140px;padding:14px 16px}.service-preview{width:170px;height:96px}
  .site-footer{flex-direction:column;gap:10px}
  .practice-bar>strong{display:none}.bar-spacer{display:none}
  .lang-select{max-width:118px}.practice-wrap,.levelcheck-wrap{padding-top:16px}
  .question-text{margin-bottom:20px}.choice{min-height:54px}
  .audio-row audio,.review-item audio{width:100%}
  .lc-header{align-items:flex-start}.lc-header>strong{margin-top:4px}
  .admin-filters{grid-template-columns:1fr 1fr}.admin-filters input{grid-column:1/-1}.admin-table th:nth-child(3),.admin-table td:nth-child(3){display:none}
  .admin-head{align-items:flex-start;flex-direction:column}.admin-audio-bulk-actions{width:100%;justify-content:flex-start}.admin-audio-bulk-actions .btn-primary{flex:1 1 220px}
  .status-row{font-size:11px}
}
@media(max-width:480px){
  .landing-page .header-home-link{display:none}
  .landing-page .brand-copy small{display:none}
  .landing-page .brand{gap:7px}
  .home-wrap{width:calc(100% - 24px)}
  .hero-actions{align-items:stretch;flex-direction:column;max-width:360px}.hero-actions a{width:100%}
  .hero-title-line{font-size:clamp(22px,6vw,26px);line-height:1.14;letter-spacing:-.045em}
  .hero-title-line-2{font-size:clamp(22px,6vw,26px);line-height:1.14;margin-top:4px;letter-spacing:-.045em}
  .hero-copy{font-size:13px}
  .hero-meta{gap:6px}
  .hero-badge{min-height:25px;padding:4px 9px;font-size:10.5px}
  .hero-visual{width:100%}
  .hero-visual-frame{border-radius:18px;box-shadow:0 12px 28px rgba(45,75,115,.10),0 0 0 6px rgba(255,255,255,.42)}
  .service-link{grid-template-columns:minmax(0,1fr);grid-template-rows:auto auto auto;gap:7px 10px;padding:14px}
  .service-kicker{grid-column:1;grid-row:1}
  .service-main{grid-column:1;grid-row:2}
  .service-preview{grid-column:1/-1;grid-row:3;width:100%;height:92px;margin-top:3px}
  .service-preview-crossword img{object-position:center 44%}
  .service-preview-edn img{object-position:center center}
  .question-total{margin-top:12px}
  .history-tools{align-items:flex-start;flex-direction:column;gap:7px;margin-top:10px;padding-top:8px}
  .history-note{font-size:9.5px}
  .history-reset-button{padding:6px 10px;font-size:10px}
  .practice-select .section-heading h2{font-size:27px;line-height:1.2}
  .practice-select .level-check-badge{font-size:9px;letter-spacing:.14em}
  .practice-select .level-check-main strong{font-size:14.5px;line-height:1.38;letter-spacing:-.015em}
  .practice-select .level-check-cta{font-size:11.2px;padding:8px 10px}
  .practice-mode-row{width:100%}
  .practice-mode-switch{width:100%;grid-template-columns:repeat(3,minmax(0,1fr))}
  .practice-mode-switch button{min-height:34px;padding:6px 4px;font-size:10px}
  .drill-grid{grid-template-columns:1fr 1fr;gap:6px}
  .drill-link{height:64px;min-height:64px;padding:7px 8px;display:grid;grid-template-columns:minmax(0,1fr) 96px;grid-template-rows:1fr;gap:6px;align-items:center;overflow:hidden}
  .drill-copy{display:grid;gap:2px;min-width:0;align-content:center;line-height:1}.drill-copy strong{font-size:15.2px;line-height:1.05;letter-spacing:-.02em}.drill-copy small{margin-top:0;font-size:9px;line-height:1.05}
  .drill-meta{width:96px;min-width:96px;height:100%;font-size:10.4px;line-height:1;white-space:nowrap;justify-content:flex-end;margin-top:0;align-self:stretch}.drill-stats{min-width:0;width:100%;height:100%;grid-template-columns:1fr;grid-template-rows:auto auto;justify-items:end;align-content:center;gap:3px;padding:5px 7px;border-radius:8px;line-height:1;text-align:right}.review-needed{font-size:10.2px;line-height:1}
  .level-title strong{font-size:27px}
  .level-title>span{font-size:10px}
  .level-note{font-size:8.2px}
  .level-progress-text{display:flex;font-size:10.5px;gap:6px}
  .practice-tools{gap:5px}.tiny-toggle{padding:6px 8px}.lang-select{width:106px}
  .status-row{grid-template-columns:1fr auto}.status-row span:last-child{grid-column:1/-1;text-align:left;margin-top:3px}
  .question-text{font-size:21px}.quiz-meta{gap:6px}
  .input-buttons{width:100%}.input-buttons button{flex:1}
  .next-row.show{display:block}.btn-next{width:100%}
  .result-actions{flex-direction:column;align-items:stretch}.result-actions>*{width:100%}
  .lc-header{display:block}.lc-header>strong{display:inline-block;margin-top:11px}
  .lc-actions{flex-direction:column}.lc-actions>*{width:100%}
  .admin-filters{grid-template-columns:1fr}.admin-filters input{grid-column:auto}.admin-table th:nth-child(4),.admin-table td:nth-child(4){display:none}
}

@media(max-width:480px){
  .practice-mode-label{font-size:12px}
  .level-progress-text [data-progress-count],.level-review-count,.level-progress-text strong{font-size:9.7px}
  .drill-stats [data-type-progress]{font-size:10.4px;line-height:1;font-weight:860}
  .review-needed{font-size:10.2px;line-height:1;font-weight:900}
  .level-review-count[hidden]{display:none}
  .review-needed[hidden]{display:block;visibility:hidden}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}*,*::before,*::after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}
}

/* practice UI refresh 20260909 */
.practice-page{
  background:
    radial-gradient(circle at 8% 0%,rgba(104,170,239,.11),transparent 30rem),
    #eef6fc;
}
.practice-page .practice-wrap{
  width:min(1000px,calc(100% - 24px));
  margin:0 auto;
  padding:8px 0 48px;
}
.practice-card{
  overflow:hidden;
  background:rgba(255,255,255,.97);
  border:1px solid #d7e4ef;
  border-radius:12px;
  box-shadow:0 8px 24px rgba(42,76,112,.08);
}
.practice-page .practice-bar{
  position:static;
  height:66px;
  padding:0 16px;
  background:transparent;
  border:0;
  border-bottom:1px solid #e2eaf2;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  justify-content:space-between;
  gap:14px;
}
.practice-page .practice-bar .back-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  min-height:38px;
  padding:7px 13px;
  border:1px solid #a9cdf6;
  border-radius:999px;
  background:#fff;
  color:#185a9d;
  font-size:13px;
  font-weight:820;
}
.practice-page .practice-bar .back-link:hover{
  border-color:#78afea;
  background:#f5faff;
  color:#124b86;
}
.practice-page .practice-bar>strong{
  position:static;
  left:auto;
  transform:none;
  margin-left:auto;
  color:#1c2c43;
  font-size:15px;
  font-weight:850;
  letter-spacing:-.015em;
}
.practice-console{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  align-items:center;
  gap:20px;
  padding:12px 16px 13px;
  border-bottom:1px solid #e8eef5;
  background:#fbfdff;
}
.practice-progress-block{min-width:0}
.practice-page .status-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:10px;
  align-items:center;
  margin:0 0 6px;
  color:#53657a;
  font-size:12px;
  font-weight:760;
}
.practice-page .status-row strong{
  grid-column:3;
  color:#1c2c43;
  font-size:12px;
  font-weight:850;
  font-variant-numeric:tabular-nums;
}
.practice-page .status-row span:last-child{
  grid-column:2;
  grid-row:1;
  justify-self:end;
  text-align:right;
  color:#c34451;
  font-size:10px;
  font-weight:750;
}
.practice-page .progress-line{
  height:7px;
  border-radius:999px;
  background:#e8eef5;
  overflow:hidden;
}
.practice-page .progress-line>div{
  background:linear-gradient(90deg,#69aaf0,#2f78d0);
  box-shadow:0 0 0 1px rgba(35,106,185,.03) inset;
}
.practice-page .practice-tools{
  display:flex;
  align-items:center;
  gap:8px;
}
.practice-page .tiny-toggle{
  position:relative;
  min-width:92px;
  height:34px;
  padding:0 34px 0 12px;
  border:1px solid #b9cde2;
  border-radius:999px;
  background:#eef3f8;
  color:#43576d;
  font-size:11px;
  font-weight:820;
  text-align:left;
}
.practice-page .tiny-toggle::after{
  content:"";
  position:absolute;
  top:4px;
  right:4px;
  width:24px;
  height:24px;
  border-radius:50%;
  background:#fff;
  box-shadow:0 1px 4px rgba(30,60,95,.20);
  transition:transform .22s ease;
}
.practice-page .tiny-toggle[aria-pressed="true"]{
  padding:0 12px 0 34px;
  border-color:#4e93dc;
  background:#2f82df;
  color:#fff;
  text-align:right;
}
.practice-page .tiny-toggle[aria-pressed="true"]::after{transform:translateX(-54px)}
.lang-control{
  height:34px;
  display:flex;
  align-items:center;
  gap:5px;
  padding:0 7px 0 9px;
  border:1px solid #b9cde2;
  border-radius:999px;
  background:#fff;
  color:#3180cf;
}
.lang-control>span{font-size:13px;line-height:1}
.practice-page .lang-select{
  width:150px;
  max-width:none;
  height:31px;
  padding:0 22px 0 2px;
  border:0;
  border-radius:999px;
  background:transparent;
  color:#253b55;
  font-size:12px;
  font-weight:760;
}
.practice-page .lang-select:focus{outline:0}
.practice-page .quiz-stage{
  padding:14px 16px 18px;
}
.practice-page .loading,.practice-page .error-box{padding:64px 20px}
.practice-page .quiz-meta{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin:0 0 7px;
  color:#1c2c43;
  font-size:14px;
  line-height:1.5;
}
.practice-page .quiz-meta span+span{
  padding-left:0;
  border-left:0;
}
.practice-page .quiz-no{
  color:#1c2c43;
  font-size:21px;
  font-weight:900;
  letter-spacing:-.035em;
}
.practice-page .quiz-instruction{
  color:#33475e;
  font-size:14px;
  font-weight:760;
}
.practice-page .question-text{
  margin:0 0 12px;
  padding:14px 18px;
  border:1px solid #dce5ed;
  border-radius:5px;
  background:#fff;
  color:#17283e;
  font-size:clamp(18px,2.25vw,21px);
  line-height:1.75;
  font-weight:720;
  letter-spacing:.002em;
}
.practice-page .solved-audio{
  margin:0 0 12px;
}
.practice-page .solved-audio audio{
  width:min(100%,520px);
  height:42px;
}
.practice-page .choices{
  display:grid;
  gap:8px;
}
.practice-page .choice{
  min-height:50px;
  padding:8px 12px;
  gap:11px;
  border:1px solid #d7dee7;
  border-radius:4px;
  background:#f1f4f7;
  color:#28394d;
  font-size:16px;
  font-weight:660;
  box-shadow:none;
  transform:none;
}
.practice-page .choice:hover:not(:disabled){
  border-color:#9ebbd9;
  background:#eaf2fb;
  box-shadow:none;
  transform:none;
}
.practice-page .choice:disabled:not(.correct):not(.wrong){
  color:#8a96a5;
  background:#f0f2f5;
}
.practice-page .choice-prefix{
  width:30px;
  height:30px;
  background:#b8c1cc;
  color:#fff;
  font-size:14px;
  font-weight:850;
}
.practice-page .choice.correct{
  border-color:#9ec8f4;
  background:#e5f1ff;
  color:#124b86;
}
.practice-page .choice.correct .choice-prefix{
  background:#347fcf;
  color:#fff;
}
.practice-page .choice.wrong{
  border-color:#efb8bf;
  background:#fff0f2;
  color:#9b3541;
}
.practice-page .choice.wrong .choice-prefix{
  background:#dc6671;
  color:#fff;
}
.practice-page .result-message{
  margin:7px 0 0;
  padding:0;
  border:0;
  font-size:14px;
  font-weight:900;
}
.practice-page .result-message.ok{color:#176dbf}
.practice-page .result-message.bad{color:#c13f4d}
.practice-page .feedback-panel{
  margin-top:4px;
  padding-top:0;
  border-top:0;
}
.practice-page .feedback-panel.show{display:block}
.practice-page .explanation{
  margin:3px 0 10px;
  color:#33475e;
  font-size:14px;
  line-height:1.8;
}
.practice-page .correct-sentence{
  margin:0;
  padding:9px 12px;
  border:1px solid #c8def5;
  border-radius:4px;
  background:#e8f3ff;
  color:#153f6e;
  font-size:14px;
  line-height:1.7;
  font-weight:780;
}
.practice-page .correct-sentence::before{
  content:"正しい文：";
  display:inline;
  margin:0;
  color:#1470c9;
  font-size:14px;
  letter-spacing:0;
  font-weight:900;
}
.practice-page .translate-row{
  margin-top:12px;
  padding-top:10px;
  border-top:1px dashed #cbdced;
}
.practice-page .translate-btn{
  min-height:38px;
  padding:7px 13px;
  border:1px solid #a9cdf6;
  border-radius:999px;
  background:#fff;
  color:#185a9d;
  font-size:12px;
  font-weight:820;
  text-decoration:none;
}
.practice-page .translate-btn:hover{
  border-color:#78afea;
  background:#f5faff;
  text-decoration:none;
}
.practice-page .translate-output{
  border-color:#cfe1f4;
  border-radius:6px;
  background:#f3f8fe;
}
.practice-page .next-row{margin-top:16px}
.practice-page .btn-next{
  min-width:140px;
  border-radius:5px;
  padding:11px 18px;
  background:#2e78c8;
  border-color:#2e78c8;
  box-shadow:none;
  font-size:14px;
}
.practice-page .btn-next:hover{
  background:#2469b3;
  border-color:#2469b3;
  transform:none;
}
.practice-page .quiz-id{
  margin-top:14px;
  color:#9aaabd;
  font-size:9px;
}
.practice-page .input-notice{
  margin:0 0 11px;
  color:#6c7c8f;
}
.practice-page .input-form{
  padding:13px 14px;
  border:1px solid #dce5ed;
  border-radius:5px;
  background:#f8fbfe;
}
.practice-page .input-answer{
  background:#fff;
  border-radius:5px;
}
.practice-page .practice-ad{
  width:100%;
  margin:18px 0 0;
}
.practice-page .result-block{padding:20px 16px 14px}
.practice-page .review-section{margin:30px 16px 0}

@media(max-width:760px){
  .practice-page .practice-wrap{width:calc(100% - 16px);padding:8px 0 34px}
  .practice-card{border-radius:10px}
  .practice-page .practice-bar{height:56px;padding:0 11px}
  .practice-page .practice-bar>strong{display:block;max-width:50%;overflow:hidden;text-overflow:ellipsis;font-size:13px}
  .practice-page .practice-bar .back-link{min-height:34px;padding:6px 10px;font-size:12px}
  .practice-console{grid-template-columns:1fr;gap:9px;padding:10px 11px 11px}
  .practice-page .practice-tools{justify-content:flex-end}
  .practice-page .status-row{font-size:11px}
  .practice-page .quiz-stage{padding:12px 11px 15px}
  .practice-page .quiz-meta{margin-bottom:6px}
  .practice-page .quiz-no{font-size:19px}
  .practice-page .quiz-instruction{font-size:13px}
  .practice-page .question-text{margin-bottom:10px;padding:12px 13px;font-size:18px;line-height:1.7}
  .practice-page .choice{min-height:50px;padding:8px 10px;font-size:15px}
  .practice-page .audio-row audio,.practice-page .review-item audio{width:100%}
  .practice-page .result-share{padding:0}
  .practice-page .result-share-actions{grid-template-columns:1fr}
  .practice-page .review-section{margin-left:11px;margin-right:11px}
  .shared-challenge-note{margin:0 11px}
}
@media(max-width:480px){
  .practice-page .practice-wrap{width:100%;padding-top:0}
  .practice-card{border-left:0;border-right:0;border-radius:0;box-shadow:none}
  .practice-page .practice-bar>strong{max-width:46%;font-size:12px}
  .practice-page .practice-tools{justify-content:space-between;width:100%}
  .practice-page .tiny-toggle{min-width:88px}
  .practice-page .lang-control{flex:1;justify-content:flex-start;max-width:190px}
  .practice-page .lang-select{width:100%;min-width:0}
  .practice-page .status-row{grid-template-columns:auto 1fr auto}
  .practice-page .status-row span:last-child{grid-column:2;grid-row:1;text-align:right;margin-top:0}
  .practice-page .next-row.show{display:block}
  .practice-page .btn-next{width:100%}
}


/* level check — practice UI aligned, with a subtle teal accent */
.levelcheck-page{
  --lc-accent:#168d9c;
  --lc-accent-dark:#117783;
  --lc-accent-soft:#e8f7f8;
  --lc-line:#d5e6e8;
  background:
    radial-gradient(circle at 8% 0%,rgba(72,181,193,.10),transparent 30rem),
    #eef7f8;
}
.levelcheck-page .levelcheck-wrap{
  width:min(1000px,calc(100% - 24px));
  margin:0 auto;
  padding:8px 0 48px;
}
.levelcheck-card{
  overflow:hidden;
  background:rgba(255,255,255,.97);
  border:1px solid #d5e5e7;
  border-radius:12px;
  box-shadow:0 8px 24px rgba(37,91,99,.08);
}
.levelcheck-page .levelcheck-bar{
  position:static;
  height:66px;
  padding:0 16px;
  background:transparent;
  border:0;
  border-bottom:1px solid #e1ecee;
  backdrop-filter:none;
  -webkit-backdrop-filter:none;
  justify-content:space-between;
  gap:14px;
}
.levelcheck-page .levelcheck-bar .back-link{
  display:inline-flex;
  align-items:center;
  gap:5px;
  min-height:38px;
  padding:7px 13px;
  border:1px solid #a9d5db;
  border-radius:999px;
  background:#fff;
  color:#176f7b;
  font-size:13px;
  font-weight:820;
}
.levelcheck-page .levelcheck-bar .back-link:hover{
  border-color:#78bec7;
  background:#f4fbfb;
  color:#105e67;
}
.levelcheck-page .levelcheck-bar>strong{
  position:static;
  left:auto;
  transform:none;
  margin-left:auto;
  color:#1c2c43;
  font-size:15px;
  font-weight:850;
  letter-spacing:-.015em;
}
.levelcheck-console{
  padding:12px 16px 13px;
  border-bottom:1px solid #e7eff0;
  background:#fbfefe;
}
.levelcheck-progress-block{min-width:0}
.levelcheck-page .status-row{
  display:grid;
  grid-template-columns:auto 1fr auto;
  gap:10px;
  align-items:center;
  margin:0 0 6px;
  color:#536a6e;
  font-size:12px;
  font-weight:760;
}
.levelcheck-page .status-row strong{
  grid-column:3;
  color:#1c2c43;
  font-size:12px;
  font-weight:850;
  font-variant-numeric:tabular-nums;
}
.levelcheck-page .status-row span:last-child{
  grid-column:2;
  grid-row:1;
  text-align:right;
  color:#537078;
  font-size:11px;
  font-weight:760;
}
.levelcheck-page .progress-line{
  height:7px;
  border-radius:999px;
  background:#e5eef0;
  overflow:hidden;
}
.levelcheck-page .progress-line>div{
  background:linear-gradient(90deg,#67c4ce,var(--lc-accent));
  box-shadow:0 0 0 1px rgba(22,141,156,.03) inset;
}
.levelcheck-page .quiz-stage{
  padding:14px 16px 18px;
}
.levelcheck-page .loading,.levelcheck-page .error-box{padding:64px 20px}
.levelcheck-page .quiz-meta{
  display:flex;
  align-items:baseline;
  gap:8px;
  margin:0 0 7px;
  color:#1c2c43;
  font-size:14px;
  line-height:1.5;
}
.levelcheck-page .quiz-meta span+span{
  padding-left:0;
  border-left:0;
}
.levelcheck-page .quiz-no{
  color:#1c2c43;
  font-size:21px;
  font-weight:900;
  letter-spacing:-.035em;
}
.levelcheck-page .quiz-instruction{
  color:#334b50;
  font-size:14px;
  font-weight:760;
}
.levelcheck-page .question-text{
  margin:0 0 12px;
  padding:14px 18px;
  border:1px solid #d9e5e7;
  border-radius:5px;
  background:#fff;
  color:#17283e;
  font-size:clamp(18px,2.25vw,21px);
  line-height:1.75;
  font-weight:720;
  letter-spacing:.002em;
}
.levelcheck-page .choices{
  display:grid;
  gap:8px;
}
.levelcheck-page .choice{
  min-height:50px;
  padding:8px 12px;
  gap:11px;
  border:1px solid #d5dfe2;
  border-radius:4px;
  background:#f1f5f5;
  color:#28394d;
  font-size:16px;
  font-weight:660;
  box-shadow:none;
  transform:none;
}
.levelcheck-page .choice:hover:not(:disabled){
  border-color:#9fc4c9;
  background:#edf8f9;
  box-shadow:none;
  transform:none;
}
.levelcheck-page .choice:disabled:not(.correct):not(.wrong){
  color:#8a9699;
  background:#f0f3f3;
}
.levelcheck-page .choice-prefix{
  width:30px;
  height:30px;
  background:#b8c4c7;
  color:#fff;
  font-size:14px;
  font-weight:850;
}
.levelcheck-page .choice.correct{
  border-color:#91d1d6;
  background:#e4f6f7;
  color:#0d6670;
}
.levelcheck-page .choice.correct .choice-prefix{
  background:var(--lc-accent);
  color:#fff;
}
.levelcheck-page .choice.wrong{
  border-color:#efb8bf;
  background:#fff0f2;
  color:#9b3541;
}
.levelcheck-page .choice.wrong .choice-prefix{
  background:#dc6671;
  color:#fff;
}
.levelcheck-page .unknown-choice{
  margin-top:2px;
  border-color:#c4dade;
  background:#f6fbfb;
  color:#466269;
}
.levelcheck-page .unknown-choice .choice-prefix{
  background:#d9eaec;
  color:#39717a;
}
.levelcheck-page .result-message{
  margin:8px 0 0;
  padding:0;
  border:0;
  font-size:14px;
  font-weight:900;
}
.levelcheck-page .result-message.ok{color:#147984}
.levelcheck-page .result-message.bad{color:#c13f4d}
.levelcheck-page .next-row{margin-top:16px}
.levelcheck-page .btn-next{
  min-width:140px;
  border-radius:5px;
  padding:11px 18px;
  background:var(--lc-accent);
  border-color:var(--lc-accent);
  box-shadow:none;
  font-size:14px;
}
.levelcheck-page .btn-next:hover{
  background:var(--lc-accent-dark);
  border-color:var(--lc-accent-dark);
  transform:none;
}
.levelcheck-page .quiz-id{
  margin-top:14px;
  color:#9aaeb1;
  font-size:9px;
}
.levelcheck-page .judge-animation.ok{color:#1aa0aa}
.levelcheck-page .lc-result{
  padding:28px 16px 14px;
}
.levelcheck-page .lc-result .level{color:var(--lc-accent)}
.levelcheck-page .result-kicker{color:var(--lc-accent)}
.levelcheck-page .lc-summary{color:#60767a}
.levelcheck-page .lc-skill{border-top-color:#dce9eb}
.levelcheck-page .lc-actions .primary-link{
  background:var(--lc-accent);
  border-color:var(--lc-accent);
  box-shadow:0 8px 20px rgba(22,141,156,.14);
}
.levelcheck-page .lc-actions .primary-link:hover{
  background:var(--lc-accent-dark);
  border-color:var(--lc-accent-dark);
}
.levelcheck-page .levelcheck-ad{width:100%;margin:18px 0 0}

@media(max-width:760px){
  .levelcheck-page .levelcheck-wrap{width:calc(100% - 16px);padding:8px 0 34px}
  .levelcheck-card{border-radius:10px}
  .levelcheck-page .levelcheck-bar{height:56px;padding:0 11px}
  .levelcheck-page .levelcheck-bar>strong{display:block;max-width:50%;overflow:hidden;text-overflow:ellipsis;font-size:13px}
  .levelcheck-page .levelcheck-bar .back-link{min-height:34px;padding:6px 10px;font-size:12px}
  .levelcheck-console{padding:10px 11px 11px}
  .levelcheck-page .status-row{font-size:11px}
  .levelcheck-page .quiz-stage{padding:12px 11px 15px}
  .levelcheck-page .quiz-meta{margin-bottom:6px}
  .levelcheck-page .quiz-no{font-size:19px}
  .levelcheck-page .quiz-instruction{font-size:13px}
  .levelcheck-page .question-text{margin-bottom:10px;padding:12px 13px;font-size:18px;line-height:1.7}
  .levelcheck-page .choice{min-height:50px;padding:8px 10px;font-size:15px}
}
@media(max-width:480px){
  .levelcheck-page .levelcheck-wrap{width:100%;padding-top:0}
  .levelcheck-card{border-left:0;border-right:0;border-radius:0;box-shadow:none}
  .levelcheck-page .levelcheck-bar>strong{max-width:46%;font-size:12px}
  .levelcheck-page .status-row{grid-template-columns:auto 1fr auto;gap:7px}
  .levelcheck-page .status-row span:last-child{grid-column:2;grid-row:1;text-align:right;margin-top:0;font-size:10px}
  .levelcheck-page .next-row.show{display:block}
  .levelcheck-page .btn-next{width:100%}
}

/* admin audio management 20260911 */
.admin-list-wrap{width:min(1440px,calc(100% - 28px))}
.admin-audio-filters{grid-template-columns:120px 170px 150px 140px minmax(220px,1fr) auto}
.admin-table-wrap{overflow:auto}
.admin-question-table{min-width:1180px}
.admin-audio-cell{min-width:270px;width:290px}
.admin-audio-statusline{display:flex;align-items:center;gap:8px;min-height:22px}
.admin-audio-statusline small{color:#758397;font-size:10.5px;white-space:nowrap}
.admin-audio-pill{display:inline-flex;align-items:center;justify-content:center;padding:3px 8px;border-radius:999px;font-size:10.5px;font-weight:850;white-space:nowrap}
.admin-audio-pill.has{background:#edf9f4;color:#087153;border:1px solid #bee5d5}
.admin-audio-pill.none{background:#f2f4f7;color:#667085;border:1px solid #d8dde5}
.admin-audio-source{margin-top:5px;color:#5f6f84;font-size:10.5px;line-height:1.45;max-width:270px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.admin-audio-player{display:block;width:250px;max-width:100%;height:32px;margin-top:6px}
.admin-audio-actions{display:flex;align-items:center;gap:6px;margin-top:6px}
.admin-audio-actions form{margin:0}
.admin-audio-btn{min-height:28px;padding:4px 10px;border-radius:8px;border:1px solid #c9d8e8;background:#fff;color:#36516f;font:inherit;font-size:11px;font-weight:820;cursor:pointer;transition:.15s ease}
.admin-audio-btn:hover{border-color:#91b3d8;background:#f6faff;color:#245f9c}
.admin-audio-btn.generate{border-color:#b7d3ef;background:#eef6ff;color:#2867b2}
.admin-audio-btn.generate:hover{background:#e4f1ff;border-color:#86b8e8}
.admin-audio-btn.delete{border-color:#efc7cc;background:#fff4f5;color:#a72f3c}
.admin-audio-btn.delete:hover{background:#ffecee;border-color:#e9aeb6}
.admin-notice-error{padding:11px 13px;border-radius:9px;background:var(--bad-bg);color:#a72f3c;margin-bottom:15px}
@media(max-width:1000px){.admin-audio-filters{grid-template-columns:1fr 1fr 1fr}.admin-audio-filters input{grid-column:1/-1}.admin-audio-filters button{justify-self:start}}
@media(max-width:600px){.admin-audio-filters{grid-template-columns:1fr 1fr}.admin-audio-filters input{grid-column:1/-1}.admin-audio-filters button{grid-column:1/-1;width:100%}.admin-audio-cell{min-width:240px}.admin-audio-player{width:220px}}

/* SEO practice landing pages 20260912 */
.landing-wrap{width:min(92vw,1200px);margin:0 auto;padding:28px 0 58px}
.landing-breadcrumbs{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:20px 0 10px;color:#7b8797;font-size:10px;font-weight:800;letter-spacing:.06em}
.landing-breadcrumbs a{text-decoration:none;color:#526174}.landing-breadcrumbs a:hover{color:var(--accent)}
.landing-hero{padding:20px 0 30px;border-bottom:1px solid var(--line)}
.landing-hero h1{margin:0;color:var(--text);font-size:clamp(34px,5vw,54px);line-height:1.08;letter-spacing:-.045em;font-weight:880}
.landing-ja-title{margin:10px 0 0;color:#263650;font-size:clamp(18px,2.4vw,23px);font-weight:830;letter-spacing:-.02em}
.landing-intro{max-width:760px;margin:14px 0 0;color:#58697d;font-size:14px;line-height:1.8}
.landing-badges{display:flex;align-items:center;gap:7px;flex-wrap:wrap;margin:16px 0 0}
.landing-badges span{display:inline-flex;align-items:center;min-height:27px;padding:4px 10px;border:1px solid #d6e1ed;border-radius:999px;background:rgba(255,255,255,.78);color:#526174;font-size:10.5px;font-weight:820}
.landing-primary-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:22px}
.landing-section{padding:31px 0 0}
.landing-section-heading{margin:0 0 12px}.landing-section-heading .eyebrow{margin-bottom:4px;font-size:9.5px}
.landing-section-heading h2{margin:0;font-size:clamp(23px,3vw,30px);line-height:1.25;letter-spacing:-.025em}
.landing-field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:9px}
.landing-field-card{--landing-accent:#5b91d6;position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto auto;gap:12px;align-items:center;min-height:83px;padding:14px 16px;border:1px solid #d7e2ee;border-radius:12px;background:rgba(255,255,255,.82);text-decoration:none;transition:.15s ease}
.landing-field-card::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--landing-accent)}
.landing-field-card[data-type="grammar"]{--landing-accent:#8a78c9}.landing-field-card[data-type="kanji_reading"]{--landing-accent:#55a88d}.landing-field-card[data-type="kanji_choice"]{--landing-accent:#c99954}
.landing-field-card:hover{border-color:#a9c5e1;background:#fff;transform:translateY(-1px);box-shadow:0 7px 18px rgba(45,75,115,.07)}
.landing-field-copy{display:grid;gap:1px}.landing-field-copy strong{font-size:18px;line-height:1.25}.landing-field-copy small{color:#718096;font-size:10.5px;font-weight:760}
.landing-field-count{color:#526174;font-size:11px;font-weight:820}.landing-field-card>b{color:#88a0bb;font-size:16px}
.landing-mode-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:9px}
.landing-mode-card{position:relative;display:grid;align-content:start;min-height:155px;padding:15px 16px 16px;border:1px solid #d7e2ee;border-radius:12px;background:rgba(255,255,255,.84);text-decoration:none;transition:.15s ease}
.landing-mode-card:hover{border-color:#9ebfe2;background:#fff;transform:translateY(-1px);box-shadow:0 8px 20px rgba(45,75,115,.07)}
.landing-mode-kicker{margin-bottom:8px;color:var(--accent);font-size:9px;font-weight:900;letter-spacing:.16em}.landing-mode-card strong{font-size:18px;line-height:1.3}.landing-mode-card small{margin-top:7px;color:#66778a;font-size:11.5px;line-height:1.65}.landing-mode-card>b{position:absolute;right:15px;bottom:12px;color:#8ba4be}
.landing-ad{margin:30px 0 0}
.landing-about{max-width:820px}.landing-about p{margin:0 0 8px;color:#58697d;font-size:13px;line-height:1.85}
.landing-related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}
.landing-related-grid>a{display:flex;align-items:center;justify-content:space-between;gap:12px;min-height:70px;padding:12px 14px;border:1px solid #dbe5ef;border-radius:11px;background:rgba(255,255,255,.76);text-decoration:none;transition:.15s ease}
.landing-related-grid>a:hover{border-color:#a9c5e1;background:#fff}.landing-related-grid span{display:grid;gap:2px}.landing-related-grid strong{font-size:15px}.landing-related-grid small{color:#728197;font-size:10px}.landing-related-grid b{color:#8ba4be}
.landing-level-nav{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:34px;padding-top:18px;border-top:1px solid var(--line)}
.landing-level-nav>span{margin-right:3px;color:#8b97a8;font-size:9px;font-weight:900;letter-spacing:.15em}.landing-level-nav a,.landing-level-nav strong{display:inline-flex;align-items:center;justify-content:center;min-width:38px;height:30px;padding:0 9px;border:1px solid #d6e1ed;border-radius:999px;text-decoration:none;font-size:11px;font-weight:850}
.landing-level-nav a{background:rgba(255,255,255,.72);color:#526174}.landing-level-nav a:hover{border-color:#9ebfe2;color:var(--accent);background:#fff}.landing-level-nav strong{border-color:#9fc5f4;background:var(--accent-soft);color:var(--accent)}
.practice-landing-hero{margin:0;padding-top:4px}
.practice-landing-hero .hero-headline{width:calc(100% + clamp(120px,14vw,220px))}
.practice-landing-hero .hero-title-line{font-size:clamp(31px,3.7vw,49px)}
.practice-landing-hero .hero-title-line-2{font-size:clamp(24px,2.8vw,36px);margin-top:8px;letter-spacing:-.045em}
.practice-landing-hero .hero-copy{max-width:760px;white-space:normal;font-size:13px;line-height:1.75}
.practice-landing-hero .hero-actions{margin-top:22px}
.landing-progress-callout{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:0 0 4px;padding:10px 13px;border:1px solid #d8e4ef;border-radius:11px;background:rgba(246,250,254,.82);color:#637287;font-size:11px;line-height:1.55}
.landing-progress-callout a{flex:none;color:var(--accent);font-weight:850;text-decoration:none;white-space:nowrap}
.landing-progress-callout a:hover{text-decoration:underline;text-underline-offset:3px}
#practice-options{scroll-margin-top:76px}
.level-guide-link{display:inline-flex;margin-top:5px;color:#5d7897;font-size:9.5px;font-weight:800;text-decoration:none}.level-guide-link:hover{color:var(--accent)}
@media(max-width:760px){
  .landing-wrap{width:calc(100% - 28px);padding-top:18px}.landing-breadcrumbs{margin:16px 0 9px}.practice-landing-hero .hero-headline{width:100%}.practice-landing-hero .hero-title-line{font-size:clamp(28px,7.6vw,39px)}.practice-landing-hero .hero-title-line-2{font-size:clamp(23px,6.4vw,31px)}.practice-landing-hero .hero-copy{font-size:13px}.landing-progress-callout{align-items:flex-start;flex-direction:column;gap:5px;padding:9px 11px}.landing-mode-grid{grid-template-columns:1fr}.landing-mode-card{min-height:112px}.landing-field-grid{grid-template-columns:1fr}.landing-related-grid{grid-template-columns:1fr}.landing-primary-actions{align-items:stretch}.landing-primary-actions .primary-link,.landing-primary-actions .secondary-link{justify-content:center;text-align:center}
}

/* site notice 20260915 */
.site-notice{width:100%;border-bottom:1px solid #dce6f1;background:#f7fbff;color:#40536a}
.site-notice-inner{width:min(92vw,1200px);margin:0 auto;padding:9px 12px;display:flex;align-items:center;gap:12px;min-height:44px}
.site-notice-meta{display:flex;align-items:center;gap:8px;flex:none}
.site-notice-label{display:inline-flex;align-items:center;justify-content:center;min-height:24px;padding:3px 8px;border:1px solid #bfd5ee;border-radius:999px;background:#eef6ff;color:#2867b2;font-size:10.5px;font-weight:900;white-space:nowrap}
.site-notice time{color:#748296;font-size:10.5px;font-weight:750;white-space:nowrap}
.site-notice-message{min-width:0;font-size:12px;line-height:1.55;font-weight:700}
.site-notice-warning{background:#fffaf0;border-bottom-color:#f0dca7}.site-notice-warning .site-notice-label{border-color:#efd28d;background:#fff4cf;color:#8a5d00}
.site-notice-incident{background:#fff5f6;border-bottom-color:#efc8cd}.site-notice-incident .site-notice-label{border-color:#eebac1;background:#ffecee;color:#a62f3d}
.site-notice-maintenance{background:#f7f8fa;border-bottom-color:#d9dfe7}.site-notice-maintenance .site-notice-label{border-color:#cfd6df;background:#eef1f5;color:#526174}
.practice-card>.site-notice,.levelcheck-card>.site-notice{border-bottom:1px solid #dce6f1}
.practice-card>.site-notice .site-notice-inner,.levelcheck-card>.site-notice .site-notice-inner{width:100%;padding:8px 16px}
.admin-notice-panel{margin:0 0 20px;padding:16px;border:1px solid #d8e4ef;border-radius:12px;background:rgba(255,255,255,.86)}
.admin-notice-panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:14px}
.admin-notice-panel-head h2{margin:0;font-size:18px;letter-spacing:-.01em}.admin-notice-panel-head p{margin:4px 0 0;color:#667085;font-size:12px}
.admin-notice-state{display:inline-flex;align-items:center;justify-content:center;min-height:25px;padding:3px 8px;border-radius:999px;font-size:10.5px;font-weight:900;white-space:nowrap}.admin-notice-state.is-on{border:1px solid #bee5d5;background:#edf9f4;color:#087153}.admin-notice-state.is-off{border:1px solid #d8dde5;background:#f2f4f7;color:#667085}
.admin-notice-form{display:grid;grid-template-columns:auto 160px 210px minmax(280px,1fr) auto;gap:10px;align-items:end}
.admin-notice-form>label:not(.admin-notice-toggle){display:grid;gap:5px}.admin-notice-form label>span{color:#344054;font-size:11px;font-weight:800}
.admin-notice-form select,.admin-notice-form input[type="datetime-local"],.admin-notice-form input[type="text"]{width:100%;height:40px;border:1px solid #cfdbe8;border-radius:9px;background:#fff;padding:0 10px;font:inherit;font-size:12px}
.admin-notice-toggle{display:flex;align-items:center;gap:7px;min-height:40px;white-space:nowrap}.admin-notice-toggle input{width:16px;height:16px}.admin-notice-toggle span{font-size:12px!important}
.admin-notice-message-field input{min-width:0}.admin-notice-actions{align-self:end}.admin-notice-actions .btn-primary{height:40px;padding:8px 13px;font-size:12px;white-space:nowrap}
@media(max-width:1000px){.admin-notice-form{grid-template-columns:1fr 1fr}.admin-notice-toggle,.admin-notice-message-field,.admin-notice-actions{grid-column:1/-1}.admin-notice-actions .btn-primary{width:100%}}
@media(max-width:760px){.site-notice-inner{width:100%;padding:8px 14px;align-items:flex-start;flex-direction:column;gap:4px}.site-notice-meta{gap:7px}.site-notice-message{font-size:11.5px}.practice-card>.site-notice .site-notice-inner,.levelcheck-card>.site-notice .site-notice-inner{padding:8px 11px}.admin-notice-panel{padding:13px}.admin-notice-panel-head{gap:10px}.admin-notice-form{grid-template-columns:1fr}.admin-notice-toggle,.admin-notice-message-field,.admin-notice-actions{grid-column:auto}}


/* admin notice + audio bulk controls 20260916 */
.admin-audio-batch-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin:12px 0 16px;padding:12px 14px;border:1px solid #cfe0f2;border-radius:12px;background:#f7fbff}
.admin-audio-batch-copy{display:flex;align-items:baseline;gap:10px;min-width:0}.admin-audio-batch-copy strong{font-size:13px;color:#24364b;white-space:nowrap}.admin-audio-batch-copy span{font-size:11px;color:#667085}
.admin-audio-batch-bar .admin-audio-bulk-actions{display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.admin-audio-batch-bar .btn-primary,.admin-audio-batch-bar .btn-secondary{min-height:40px;padding:8px 13px;white-space:nowrap}
.admin-audio-batch-bar button:disabled{opacity:.55;cursor:default}
@media(max-width:900px){.admin-audio-batch-bar{align-items:stretch;flex-direction:column}.admin-audio-batch-copy{align-items:flex-start;flex-direction:column;gap:2px}.admin-audio-batch-bar .admin-audio-bulk-actions{justify-content:flex-start}.admin-audio-batch-bar .btn-primary,.admin-audio-batch-bar .btn-secondary{flex:1 1 260px}}
@media(max-width:600px){.admin-audio-batch-bar .admin-audio-bulk-actions{display:grid;grid-template-columns:1fr}.admin-audio-batch-bar .btn-primary,.admin-audio-batch-bar .btn-secondary{width:100%}}

/* server-side Gemini TTS job 20260916 */
.admin-tts-job-panel{margin:0 0 18px;padding:15px 16px;border:1px solid #cfe0f2;border-radius:12px;background:#fbfdff}
.admin-tts-job-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:12px}
.admin-tts-job-head h2{margin:0;font-size:17px;letter-spacing:-.01em}.admin-tts-job-head p{margin:4px 0 0;color:#667085;font-size:11.5px;line-height:1.5}
.admin-tts-job-badge{display:inline-flex;align-items:center;justify-content:center;min-height:26px;padding:3px 9px;border:1px solid #d7dde5;border-radius:999px;background:#f2f4f7;color:#667085;font-size:10.5px;font-weight:900;white-space:nowrap}
.admin-tts-job-badge.is-running,.admin-tts-job-badge.is-queued{border-color:#b7d3ef;background:#eef6ff;color:#2867b2}.admin-tts-job-badge.is-paused{border-color:#ead59e;background:#fff8e6;color:#8b6411}.admin-tts-job-badge.is-completed{border-color:#bee5d5;background:#edf9f4;color:#087153}.admin-tts-job-badge.is-completed_with_errors{border-color:#efc7cc;background:#fff4f5;color:#a72f3c}.admin-tts-job-badge.is-cancelled{border-color:#d8dde5;background:#f2f4f7;color:#667085}
.admin-tts-progress-track{height:10px;overflow:hidden;border-radius:999px;background:#e9eef4}.admin-tts-progress-track>span{display:block;height:100%;border-radius:inherit;background:#4f8dcc;transition:width .35s ease}
.admin-tts-progress-meta{margin-top:6px;color:#344054;font-size:12px;font-weight:850}
.admin-tts-job-stats{display:flex;gap:12px 18px;flex-wrap:wrap;margin-top:9px;color:#667085;font-size:11px}.admin-tts-job-stats strong{color:#24364b}
.admin-tts-job-actions{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:12px}.admin-tts-job-actions .btn-primary,.admin-tts-job-actions .btn-secondary{min-height:36px;padding:7px 12px;font-size:11.5px}
.admin-tts-cron-help{margin-top:12px;padding:11px 12px;border:1px solid #ead59e;border-radius:10px;background:#fffaf0;color:#624b16;font-size:11px;line-height:1.55}.admin-tts-cron-help p{margin:4px 0 8px}.admin-tts-cron-help code{display:block;overflow:auto;padding:8px 9px;border-radius:7px;background:#fff;border:1px solid #eadfbf;color:#3c3421;white-space:nowrap}.admin-tts-cron-help small{display:block;margin-top:6px;color:#7c6a3c}
.admin-tts-failures{margin-top:12px;padding:10px 12px;border:1px solid #efc7cc;border-radius:10px;background:#fff7f8;color:#7b2630;font-size:11px}.admin-tts-failures ul{margin:6px 0 0;padding-left:18px}.admin-tts-failures li{margin:3px 0;line-height:1.45}
@media(max-width:700px){.admin-tts-job-head{flex-direction:column;gap:8px}.admin-tts-job-actions{display:grid;grid-template-columns:1fr 1fr}.admin-tts-job-actions button{width:100%}.admin-tts-job-stats{gap:7px 12px}}
.admin-tts-cron-label{display:block;margin:8px 0 4px;font-size:10.5px;font-weight:850;color:#624b16}
.admin-tts-job-message{margin-top:9px;padding:8px 10px;border-radius:8px;background:#f5f8fb;color:#526174;font-size:11px;line-height:1.5}