:root{
  --ink:#2b2438;
  --ink-soft:#635b72;
  --paper:#f1eef4;
  --surface:#ffffff;
  --surface-alt:#f7f4fa;
  --border:#e1dbe9;
  --plum:#4a3b63;
  --plum-deep:#342a47;
  --plum-tint:#efeaf5;
  --gold:#b98d3e;
  --gold-soft:#f4e9d2;
  --moss:#5c7a5e;
  --moss-soft:#e6efe6;
  --brick:#a24c4c;
  --brick-soft:#f6e6e6;
  --blush:#b5636d;
  --blush-soft:#faebec;
  --radius:14px;
  --shadow:0 10px 30px -12px rgba(52,42,71,0.25);
  --shadow-sm:0 4px 14px -6px rgba(52,42,71,0.18);
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--paper);
  background-image:
    radial-gradient(circle at 10% 8%, rgba(185,141,62,0.07), transparent 40%),
    radial-gradient(circle at 90% 92%, rgba(74,59,99,0.08), transparent 45%);
  color:var(--ink);
  font-family:"Zen Kaku Gothic New", "Hiragino Sans", sans-serif;
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
}
.font-display{font-family:"Shippori Mincho", serif;}
#app{max-width:960px;margin:0 auto;padding:28px 18px 60px;}
.hidden{display:none !important;}

/* ---------- 共通パーツ ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:6px;
  font-family:inherit;font-size:15px;font-weight:700;
  padding:12px 22px;border-radius:999px;border:none;cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease, opacity .15s ease;
  letter-spacing:.02em;
}
.btn:active{transform:scale(0.97);}
.btn-primary{background:var(--plum);color:#fff;box-shadow:0 8px 18px -8px rgba(74,59,99,0.55);}
.btn-primary:hover{background:var(--plum-deep);}
.btn-gold{background:var(--gold);color:#fff;box-shadow:0 8px 18px -8px rgba(185,141,62,0.55);}
.btn-outline{background:transparent;color:var(--plum);border:1.5px solid var(--plum);}
.btn-outline:hover{background:var(--plum-tint);}
.btn-ghost{background:transparent;color:var(--ink-soft);padding:8px 14px;font-weight:500;}
.btn-ghost:hover{color:var(--ink);}
.btn-danger{background:var(--brick);color:#fff;}
.btn:disabled{opacity:.45;cursor:not-allowed;transform:none;}
select,input[type=text],input[type=password]{
  font-family:inherit;font-size:15px;padding:12px 14px;border-radius:10px;
  border:1.5px solid var(--border);background:var(--surface);color:var(--ink);width:100%;
}
select:focus,input:focus{outline:2px solid var(--gold);outline-offset:1px;border-color:var(--gold);}
.field-label{font-size:12.5px;color:var(--ink-soft);font-weight:700;letter-spacing:.05em;margin-bottom:6px;display:block;}

/* ---------- ログイン画面 ---------- */
.login-wrap{min-height:80vh;display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative;}
.brand{text-align:center;margin-bottom:34px;}
.brand .eyebrow{font-size:12px;letter-spacing:.28em;color:var(--gold);font-weight:700;text-transform:uppercase;margin-bottom:10px;}
.brand h1{font-size:34px;margin:0;font-weight:700;color:var(--plum-deep);}
.brand .sub{margin-top:8px;color:var(--ink-soft);font-size:13.5px;letter-spacing:.03em;}
.login-card{width:100%;max-width:380px;padding:34px 30px 30px;display:flex;flex-direction:column;gap:18px;}
.login-error{color:var(--brick);font-size:13px;font-weight:700;min-height:18px;}
.admin-corner{position:fixed;right:18px;bottom:16px;}
.admin-corner button{background:transparent;border:1px solid var(--border);color:var(--ink-soft);font-size:12px;padding:7px 14px;border-radius:999px;cursor:pointer;}
.admin-corner button:hover{border-color:var(--plum);color:var(--plum);}
.ribbon-deco{position:absolute;top:-18px;left:50%;transform:translateX(-50%);width:2px;height:130px;background:linear-gradient(var(--gold), transparent);opacity:.5;}

/* ---------- ヘッダー(マイページ以降共通) ---------- */
.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;flex-wrap:wrap;gap:10px;}
.topbar .who{font-size:13px;color:var(--ink-soft);}
.topbar .who b{color:var(--plum-deep);font-size:15px;}
.topbar-title{display:flex;align-items:center;gap:10px;}
.topbar-title .mark{width:10px;height:10px;border-radius:2px;background:var(--gold);transform:rotate(45deg);}
.topbar-title h2{font-size:20px;margin:0;font-weight:700;color:var(--plum-deep);}

/* ---------- タブ ---------- */
.tabs{display:flex;gap:6px;margin-bottom:20px;flex-wrap:wrap;border-bottom:1px solid var(--border);padding-bottom:0;}
.tab-btn{
  background:transparent;border:none;padding:11px 18px;font-family:inherit;font-weight:700;
  font-size:14.5px;color:var(--ink-soft);cursor:pointer;border-bottom:3px solid transparent;margin-bottom:-1px;
  transition:color .15s;
}
.tab-btn.active{color:var(--plum-deep);border-bottom-color:var(--gold);}
.tab-btn:hover{color:var(--plum);}

/* ---------- テスト一覧 ---------- */
.test-group-title{font-size:13px;font-weight:700;color:var(--gold);letter-spacing:.06em;margin:22px 0 10px;padding-left:2px;}
.test-list{display:flex;flex-direction:column;gap:10px;}
.test-item{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  padding:15px 18px;border:1.5px solid var(--border);border-radius:12px;background:var(--surface);
  cursor:pointer;transition:box-shadow .15s, transform .15s, border-color .15s, background .15s;
}
.test-item:hover{box-shadow:var(--shadow);border-color:var(--plum);transform:translateY(-1px);}
.test-item .ti-left{display:flex;flex-direction:column;gap:3px;}
.test-item .ti-name{font-weight:700;font-size:14.5px;color:var(--ink);}
.test-item .ti-meta{font-size:12px;color:var(--ink-soft);}
.test-item.status-fail{background:var(--blush-soft);border-color:var(--blush);}
.test-item.status-pass{background:var(--moss-soft);border-color:var(--moss);}
.test-item.status-perfect{background:linear-gradient(135deg, var(--gold-soft), #fff7e6);border-color:var(--gold);}
.badge{
  display:inline-flex;align-items:center;gap:5px;font-size:12px;font-weight:700;
  padding:5px 11px;border-radius:999px;white-space:nowrap;
}
.badge-none{background:var(--surface-alt);color:var(--ink-soft);border:1px solid var(--border);}
.badge-fail{background:var(--blush-soft);color:var(--blush);border:1px solid var(--blush);}
.badge-pass{background:var(--moss-soft);color:var(--moss);border:1px solid var(--moss);}
.badge-perfect{background:linear-gradient(135deg, var(--gold-soft), #fff7e6);color:#8a6412;border:1px solid var(--gold);}
.badge-perfect:before{content:"★";}
.score-num{font-weight:900;font-size:16px;color:var(--plum-deep);font-variant-numeric:tabular-nums;}

/* ---------- 受験記録 ---------- */
.history-row{display:flex;justify-content:space-between;align-items:center;padding:13px 16px;border-bottom:1px solid var(--border);font-size:14px;}
.history-row:last-child{border-bottom:none;}
.history-row .h-name{font-weight:700;color:var(--ink);}
.history-row .h-date{color:var(--ink-soft);font-size:12.5px;}
.empty-note{color:var(--ink-soft);font-size:13.5px;padding:30px 10px;text-align:center;}

/* ---------- 出題画面 ---------- */
.quiz-exit-row{margin-bottom:14px;}
.quiz-exit-btn{border:1px solid var(--border);background:var(--surface);color:var(--ink-soft);font-size:12.5px;padding:8px 15px;border-radius:999px;cursor:pointer;font-weight:700;}
.quiz-exit-btn:hover{border-color:var(--brick);color:var(--brick);}
.quiz-header{margin-bottom:22px;}
.quiz-progress-track{height:8px;border-radius:99px;background:var(--surface-alt);overflow:hidden;border:1px solid var(--border);}
.quiz-progress-fill{height:100%;background:linear-gradient(90deg, var(--gold), var(--plum));border-radius:99px;transition:width .3s ease;}
.quiz-progress-label{display:flex;justify-content:space-between;margin-top:8px;font-size:13px;color:var(--ink-soft);font-weight:700;}
.quiz-testname{font-size:13px;color:var(--gold);font-weight:700;letter-spacing:.04em;margin-bottom:4px;}
.quiz-card{padding:38px 30px;text-align:center;margin-bottom:20px;}
.quiz-word{font-family:"Shippori Mincho",serif;font-size:40px;font-weight:700;color:var(--plum-deep);letter-spacing:.01em;}
.quiz-word-no{font-size:12px;color:var(--ink-soft);margin-top:6px;}
.quiz-options{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
@media(max-width:560px){.quiz-options{grid-template-columns:1fr;}}
.opt-btn{
  text-align:left;padding:16px 18px;border-radius:12px;border:1.5px solid var(--border);
  background:var(--surface);cursor:pointer;font-family:inherit;font-size:14.5px;color:var(--ink);
  line-height:1.5;transition:border-color .15s, background .15s, box-shadow .15s;
}
.opt-btn:hover{border-color:var(--plum);background:var(--plum-tint);}
.opt-btn .opt-letter{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;border-radius:6px;background:var(--surface-alt);color:var(--ink-soft);font-weight:800;font-size:12px;margin-right:9px;}
.quiz-actions{display:flex;justify-content:space-between;align-items:center;margin-top:6px;}

/* ---------- 結果画面 ---------- */
.result-score-card{padding:32px;text-align:center;margin-bottom:22px;position:relative;overflow:hidden;}
.result-score-card .rs-label{font-size:13px;color:var(--ink-soft);font-weight:700;letter-spacing:.06em;}
.result-score-card .rs-score{font-family:"Shippori Mincho",serif;font-size:52px;font-weight:700;color:var(--plum-deep);margin:6px 0;}
.result-score-card .rs-score span{font-size:22px;color:var(--ink-soft);font-family:"Zen Kaku Gothic New",sans-serif;}
.result-score-card.pass{background:linear-gradient(160deg, var(--moss-soft), #fff);}
.result-score-card.perfect{background:linear-gradient(160deg, var(--gold-soft), #fff);}
.result-toolbar{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap;}
.filter-group{display:inline-flex;background:var(--surface-alt);border-radius:999px;padding:4px;border:1px solid var(--border);}
.filter-group button{border:none;background:transparent;padding:8px 16px;border-radius:999px;font-family:inherit;font-weight:700;font-size:13px;color:var(--ink-soft);cursor:pointer;}
.filter-group button.active{background:var(--plum);color:#fff;}
.qa-item{padding:18px 20px;border:1px solid var(--border);border-radius:12px;background:var(--surface);margin-bottom:12px;}
.qa-item.wrong{border-color:var(--brick);background:var(--brick-soft);}
.qa-item.correct-item{border-color:var(--moss);}
.qa-top{display:flex;justify-content:space-between;align-items:baseline;margin-bottom:8px;}
.qa-word{font-weight:800;font-size:17px;color:var(--plum-deep);}
.qa-flag{font-size:12px;font-weight:800;padding:3px 10px;border-radius:999px;}
.qa-flag.ok{background:var(--moss-soft);color:var(--moss);}
.qa-flag.ng{background:var(--brick);color:#fff;}
.qa-line{font-size:13.5px;margin-top:4px;line-height:1.5;}
.qa-line b{font-weight:700;}
.qa-line.your-wrong{color:var(--brick);}
.qa-line.your-ok{color:var(--moss);}
.result-footer-actions{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:26px;flex-wrap:wrap;}

/* ---------- モーダル ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(43,36,56,0.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px;}
.modal-box{background:var(--surface);border-radius:16px;padding:28px;max-width:420px;width:100%;box-shadow:0 20px 50px -10px rgba(0,0,0,0.35);}
.modal-box h3{margin:0 0 6px;font-size:18px;color:var(--plum-deep);}
.modal-box p{font-size:13.5px;color:var(--ink-soft);margin:0 0 16px;line-height:1.6;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;}
.appeal-list{max-height:260px;overflow-y:auto;border:1px solid var(--border);border-radius:10px;padding:10px 14px;margin-bottom:10px;}
.appeal-row{display:flex;align-items:center;gap:10px;padding:8px 0;border-bottom:1px solid var(--border);font-size:13.5px;}
.appeal-row:last-child{border-bottom:none;}

/* ---------- 管理コンソール ---------- */
.admin-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:12px;}
table.admin-table{border-collapse:collapse;width:100%;font-size:13px;min-width:600px;}
table.admin-table th, table.admin-table td{padding:10px 14px;border-bottom:1px solid var(--border);text-align:left;white-space:nowrap;}
table.admin-table th{background:var(--surface-alt);color:var(--ink-soft);font-weight:700;position:sticky;top:0;}
table.admin-table tr:last-child td{border-bottom:none;}
.admin-score-chip{display:inline-block;background:var(--plum-tint);color:var(--plum-deep);padding:2px 9px;border-radius:999px;font-weight:700;margin:2px 3px 2px 0;font-size:12px;}
.admin-score-chip.low{background:var(--brick-soft);color:var(--brick);}
.admin-score-chip.pass{background:var(--moss-soft);color:var(--moss);}

/* ---------- ローディング ---------- */
.loading-line{display:flex;align-items:center;gap:10px;color:var(--ink-soft);font-size:13.5px;padding:20px;}
.spinner{width:16px;height:16px;border-radius:50%;border:2.5px solid var(--border);border-top-color:var(--gold);animation:spin .8s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}

.toast{position:fixed;left:50%;bottom:26px;transform:translateX(-50%);background:var(--plum-deep);color:#fff;padding:13px 22px;border-radius:999px;font-size:13.5px;font-weight:700;box-shadow:var(--shadow);z-index:80;}