/* ローダー・遷移オーバーレイ・リセット・共通トークンは common.css を参照 */
:root{
  --navy-pale:#e8edf5;
  --bg:#f5f6f8;--border:rgba(0,0,0,.10);--border-md:rgba(0,0,0,.18);
}
body{
  font-family:'Noto Sans JP',sans-serif;
  background:linear-gradient(145deg,#b8c8de 0%,#cdd8eb 40%,#bfcce0 100%);
  color:var(--text);font-size:15px;line-height:1.75;min-height:100vh;
}
body::before{
  content:'';position:fixed;inset:0;
  background-image:url('../images/nitech_gakko_picture.webp');
  background-size:cover;background-position:center;
  opacity:.12;pointer-events:none;z-index:0;
}

/* Header */
.site-header{
  background:rgba(19,35,76,.90);
  backdrop-filter:blur(32px);-webkit-backdrop-filter:blur(32px);
  position:sticky;top:0;z-index:200;
  border-bottom:1px solid rgba(255,255,255,.10);
}
.header-inner{max-width:960px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;padding:0 20px;height:52px;gap:12px;}
.header-logo{display:flex;align-items:center;gap:10px;text-decoration:none;}
.logo-mark{width:32px;height:32px;object-fit:contain;filter:brightness(0) invert(1);}
.logo-text{display:flex;flex-direction:column;gap:1px;}
.logo-ja{font-size:10px;color:rgba(255,255,255,.65);line-height:1;}
.logo-en{font-size:12px;font-weight:700;color:#fff;line-height:1;letter-spacing:.03em;}
.header-tag{color:#fff;font-size:12px;opacity:.7;letter-spacing:.03em;}

/* Main */
main{position:relative;z-index:1;max-width:800px;margin:0 auto;padding:40px 20px 80px;}

/* Page title */
.page-title{margin-bottom:28px;}
.page-title h1{font-size:22px;font-weight:700;color:var(--navy);border-left:4px solid var(--gold);padding-left:14px;margin-bottom:8px;}
.page-title p{font-size:13px;color:rgba(0,0,0,.5);}

/* Breadcrumb */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:12px;color:var(--hint);margin-bottom:24px;min-height:18px;}
.breadcrumb .bc-item{color:var(--navy);font-weight:500;}
.breadcrumb .bc-sep{color:var(--hint);}

/* Step */
.step{display:none;}
.step.show{display:block;animation:fadeIn .2s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}
.step-label{font-size:11px;font-weight:700;letter-spacing:.1em;color:var(--gold);text-transform:uppercase;margin-bottom:6px;}
.step h2{font-size:18px;font-weight:600;color:var(--navy);margin-bottom:20px;}
.step-note{font-size:12px;color:var(--hint);margin-top:-12px;margin-bottom:16px;}

/* Divider */
.sdiv{border:none;border-top:1px solid var(--border);margin:28px 0;display:none;}
.sdiv.show{display:block;}

/* Choice cards */
.choices{display:grid;gap:10px;}
.c2{grid-template-columns:repeat(2,1fr);}
.c3{grid-template-columns:repeat(3,1fr);}
.c4{grid-template-columns:repeat(2,1fr);}
.c-field{grid-template-columns:repeat(3,1fr);}

.choice-btn{
  background:var(--surface);border:2px solid var(--border);border-radius:8px;
  padding:14px 16px;cursor:pointer;text-align:left;
  display:flex;align-items:center;gap:10px;
  transition:border-color .15s,box-shadow .15s,transform .12s;
  font-family:inherit;
}
.choice-btn:hover{border-color:var(--navy);box-shadow:0 4px 16px rgba(25,35,76,.12);transform:translateY(-1px);}
.choice-icon{font-size:22px;flex-shrink:0;width:32px;text-align:center;}
.choice-name{font-size:13px;font-weight:600;color:var(--navy);display:block;}
.choice-sub{font-size:11px;color:var(--hint);display:block;margin-top:1px;}

/* Year select */
.year-wrap{display:flex;align-items:center;gap:14px;margin-bottom:8px;}
.year-wrap select{
  font-family:inherit;font-size:15px;padding:10px 36px 10px 14px;
  border:2px solid var(--border-md);border-radius:8px;background:var(--surface);color:var(--text);
  appearance:none;cursor:pointer;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  background-repeat:no-repeat;background-position:right 10px center;
}
.year-wrap select:focus{outline:none;border-color:var(--navy);}
.year-unit{font-size:14px;color:var(--sub);}

/* Result */
.result-summary{font-size:14px;color:var(--sub);margin-bottom:18px;}
.result-summary strong{font-size:20px;color:var(--navy);}

.pdf-list{display:flex;flex-direction:column;gap:8px;}
.pdf-item{
  display:flex;align-items:center;gap:14px;padding:14px 16px;
  background:var(--surface);border:1px solid var(--border);border-radius:8px;
  text-decoration:none;color:var(--text);
  transition:border-color .15s,box-shadow .15s;
}
.pdf-item:hover{border-color:var(--navy);box-shadow:0 2px 12px rgba(25,35,76,.10);}
.pdf-icon{font-size:26px;flex-shrink:0;}
.pdf-body{flex:1;min-width:0;}
.pdf-label{font-size:13px;font-weight:600;color:var(--navy);display:block;}
.pdf-file{font-size:11px;color:var(--hint);display:block;margin-top:1px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.pdf-year{flex-shrink:0;font-size:10px;font-weight:700;padding:3px 8px;border-radius:4px;background:var(--navy-pale);color:var(--navy);}

.no-result{background:var(--surface);border:1px dashed var(--border-md);border-radius:8px;padding:32px;text-align:center;color:var(--hint);font-size:13px;line-height:1.8;}

/* Reset btn */
.btn-reset{
  display:inline-flex;align-items:center;gap:6px;margin-top:24px;
  background:none;border:1px solid var(--border-md);border-radius:6px;
  padding:8px 18px;font-family:inherit;font-size:13px;color:var(--sub);cursor:pointer;
  transition:border-color .15s,color .15s;
}
.btn-reset:hover{border-color:var(--navy);color:var(--navy);}

@media(max-width:560px){
  .c2,.c3,.c4,.c-field{grid-template-columns:1fr;}
}

/* Subject table */
.pdf-card{display:flex;flex-direction:column;}
.pdf-item.has-subj{border-radius:8px 8px 0 0;border-bottom:none;}
.subj-wrap{overflow:auto;}
.reform-block{background:var(--surface);border:1px solid var(--border);border-radius:8px;overflow:hidden;}
.reform-hdr{display:flex;align-items:center;justify-content:space-between;padding:10px 16px;background:var(--navy-pale);border-bottom:1px solid var(--border);}
.reform-year{font-size:14px;font-weight:700;color:var(--navy);}
.reform-pdf{font-size:11px;color:var(--sub);text-decoration:none;display:flex;align-items:center;gap:4px;padding:3px 8px;border:1px solid var(--border-md);border-radius:4px;transition:color .15s,border-color .15s;}
.reform-pdf:hover{color:var(--navy);border-color:var(--navy);}
.no-subj{font-size:12px;color:var(--hint);padding:12px 16px;text-align:center;}
.subj-tbl{width:100%;border-collapse:collapse;font-size:12px;}
.subj-tbl th{background:rgba(25,35,76,.85);color:#fff;padding:6px 10px;text-align:left;font-size:11px;font-weight:600;white-space:nowrap;letter-spacing:.04em;}
.subj-tbl td{padding:5px 10px;border-top:1px solid var(--border);vertical-align:top;line-height:1.5;}
.subj-tbl tr:hover td{background:var(--navy-pale);}
.subj-tbl .sec{font-size:10px;color:var(--gold);font-weight:700;margin-right:3px;}
.stag{display:inline-block;padding:1px 6px;border-radius:3px;font-size:10px;font-weight:700;white-space:nowrap;}
.tc{background:#fee2e2;color:#991b1b;}
.tn{background:#dbeafe;color:#1e40af;}
.tk{background:#fef3c7;color:#92400e;}
.tq{background:#f3f4f6;color:#374151;}
.ts{background:#dcfce7;color:#166534;}
.tm{background:#ede9fe;color:#5b21b6;}
.tx{background:#f3f4f6;color:#374151;}

/* ── Aggregated Table ── */
.agg-search-wrap{position:relative;margin-bottom:12px;}
.agg-search-icon{position:absolute;left:11px;top:50%;transform:translateY(-50%);width:16px;height:16px;color:var(--hint);pointer-events:none;}
.agg-search{width:100%;padding:10px 14px 10px 36px;font-family:inherit;font-size:14px;border:2px solid var(--border-md);border-radius:8px;background:var(--surface);color:var(--text);transition:border-color .15s;}
.agg-search:focus{outline:none;border-color:var(--navy);}
.agg-count{font-size:13px;color:var(--sub);margin-bottom:10px;}
.agg-count strong{font-size:18px;color:var(--navy);}
.agg-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:8px;margin-bottom:14px;}
.agg-table{min-width:580px;}
.agg-year{white-space:nowrap;color:var(--hint);font-size:11px;}
.agg-notes{font-size:11px;color:var(--sub);}
.agg-empty{text-align:center;color:var(--hint);font-size:13px;padding:20px;background:var(--surface);border:1px dashed var(--border-md);border-radius:8px;margin-bottom:14px;}

/* ── PDF Reference ── */
.pdf-ref{
  margin-top:14px;border-radius:10px;overflow:hidden;
  background:rgba(255,255,255,.72);
  backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);
  border:1px solid rgba(255,255,255,.88);
  box-shadow:0 4px 24px rgba(25,35,76,.08);
}
.pdf-ref>summary{font-size:13px;color:var(--sub);cursor:pointer;padding:12px 16px;list-style:none;display:flex;align-items:center;gap:6px;transition:background .15s;}
.pdf-ref>summary::-webkit-details-marker{display:none;}
.pdf-ref>summary::before{content:'▶';font-size:9px;color:var(--hint);transition:transform .15s;flex-shrink:0;}
details.pdf-ref[open]>summary{border-bottom:1px solid rgba(0,0,0,.07);}
details.pdf-ref[open]>summary::before{transform:rotate(90deg);}
.pdf-ref>summary:hover{background:rgba(255,255,255,.4);}
.pdf-ref-note{font-size:11px;color:var(--hint);}
.pdf-ref-inner{display:flex;flex-direction:column;gap:6px;padding:12px 16px;}

/* ── Ripple ── */
.choice-btn,.btn-reset{position:relative;overflow:hidden;}
.ripple{position:absolute;border-radius:50%;background:rgba(100,210,255,.55);transform:scale(0);animation:ripple-anim .65s linear;pointer-events:none;}
@keyframes ripple-anim{to{transform:scale(4);opacity:0;}}
.choice-btn:active{ background:rgba(100,210,255,.28)!important;transition:background 0s; }
.btn-reset:active{ background:rgba(100,210,255,.28)!important;transition:background 0s; }

/* ── Filter Card ── */
.filter-card{
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);
  border:1px solid rgba(255,255,255,.92);
  border-radius:10px;padding:18px 20px 16px;margin-bottom:18px;
  box-shadow:0 4px 24px rgba(25,35,76,.10);
}
.filter-row{display:flex;flex-wrap:wrap;gap:14px 20px;margin-bottom:14px;}
.filter-group{display:flex;flex-direction:column;gap:5px;min-width:0;}
.filter-label{font-size:10px;font-weight:700;letter-spacing:.08em;color:var(--hint);text-transform:uppercase;}
.type-btns{display:flex;border:1px solid var(--border-md);border-radius:6px;overflow:hidden;}
.tbtn{padding:6px 14px;font-family:inherit;font-size:13px;background:none;border:none;border-right:1px solid var(--border-md);cursor:pointer;color:var(--sub);transition:background .12s,color .12s;white-space:nowrap;}
.tbtn:last-child{border-right:none;}
.tbtn:hover{background:var(--navy-pale);color:var(--navy);}
.tbtn.active{background:var(--navy);color:#fff;}
.filter-group select{font-family:inherit;font-size:13px;padding:6px 28px 6px 10px;border:1px solid var(--border-md);border-radius:6px;background:var(--surface);color:var(--text);appearance:none;cursor:pointer;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23888' stroke-width='2'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center;min-width:130px;}
.filter-group select:focus{outline:none;border-color:var(--navy);}
.filter-group select:disabled{opacity:.4;cursor:default;}
.search-row{position:relative;display:flex;align-items:center;}
.search-icon-svg{position:absolute;left:10px;width:15px;height:15px;color:var(--hint);pointer-events:none;flex-shrink:0;}
.search-input{width:100%;padding:9px 32px 9px 32px;font-family:inherit;font-size:14px;border:1px solid var(--border-md);border-radius:6px;background:var(--surface);color:var(--text);transition:border-color .15s;}
.search-input:focus{outline:none;border-color:var(--navy);}
.search-clear-btn{position:absolute;right:10px;background:none;border:none;cursor:pointer;font-size:16px;color:var(--hint);padding:4px;line-height:1;}
/* Results */
.results-meta{font-size:13px;color:var(--sub);margin-bottom:10px;}
.results-meta strong{font-size:18px;color:var(--navy);}
.meta-filter{font-size:12px;}
.table-outer{
  overflow-x:auto;border-radius:10px;margin-bottom:16px;
  background:rgba(255,255,255,.82);
  backdrop-filter:blur(40px);-webkit-backdrop-filter:blur(40px);
  border:1px solid rgba(255,255,255,.92);
  box-shadow:0 4px 24px rgba(25,35,76,.10);
}
.main-tbl{min-width:520px;}
.col-notes{min-width:160px;}
.col-year{white-space:nowrap;width:80px;text-align:center;}
.subj-tbl td.col-year{text-align:center;font-size:11px;color:var(--hint);}
.empty-state{text-align:center;color:var(--hint);font-size:13px;padding:40px 20px;margin:0;}
.pdf-ref-count{font-size:12px;font-weight:400;color:var(--hint);margin-left:4px;}
@media(max-width:600px){.filter-row{gap:12px;}.filter-group select{min-width:100px;}}

/* ── Search highlight ── */
mark{background:#fef08a;color:inherit;border-radius:2px;padding:0 1px;}

/* ── Scope badge ── */
.col-scope{width:84px;white-space:nowrap;}
.subj-tbl td.col-scope{vertical-align:middle;}
.scope-badge{
  display:inline-block;font-size:10px;font-weight:700;
  padding:2px 7px;border-radius:20px;white-space:nowrap;letter-spacing:.03em;
  background:rgba(25,35,76,.10);color:var(--navy);
}
/* 共通系 */
.scope-common,.scope-kikanCommon{background:rgba(59,130,246,.13);color:#1e40af;}
/* 創造専門 */
.scope-sozo{background:rgba(217,119,6,.13);color:#92400e;}
/* 学科別（高度/通常） */
.scope-seimei{background:rgba(16,185,129,.13);color:#065f46;}
.scope-butsuri{background:rgba(139,92,246,.13);color:#4c1d95;}
.scope-denki{background:rgba(245,158,11,.13);color:#78350f;}
.scope-joho{background:rgba(6,182,212,.13);color:#164e63;}
.scope-shakai{background:rgba(239,68,68,.13);color:#7f1d1d;}
/* 基幹・第二部 */
.scope-busshitsu,.scope-kikai,.scope-kikan_denki,.scope-kikan_shakai{background:rgba(107,114,128,.13);color:#374151;}
/* 大学院 */
.scope-grad_zenki,.scope-grad_koki,.scope-grad_nano{background:rgba(25,35,76,.13);color:#19234c;}