body{font-family:"Yu Gothic UI","Meiryo",sans-serif;background:#f5f8fb;color:#24323d;margin:0}.header{background:#173b57;color:#fff;padding:22px 28px}.wrap{max-width:980px;margin:28px auto;padding:0 18px}.card{background:#fff;border:1px solid #d8e2ea;border-radius:10px;padding:22px;margin-bottom:18px;box-shadow:0 2px 8px rgba(0,0,0,.04)}h1,h2{margin-top:0}.field{margin:14px 0}.field label{display:block;font-weight:600;margin-bottom:6px}.input{width:100%;max-width:420px;padding:10px;border:1px solid #bdcbd6;border-radius:6px;box-sizing:border-box}.btn{display:inline-block;background:#2f6f9f;color:#fff;border:0;border-radius:6px;padding:10px 18px;text-decoration:none;cursor:pointer}.btn-danger{background:#a94442}.error{color:#b42318;margin-top:12px}.meta{color:#6d7a85;font-size:.92rem}.item{padding:14px 0;border-bottom:1px solid #edf1f4}.item:last-child{border-bottom:0}.topbar{display:flex;justify-content:space-between;align-items:center;gap:16px}.download{float:right}

/* 管理画面 */
.top-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap}.btn-secondary{background:#647481}.btn-small{padding:7px 12px;font-size:.9rem}.section-head{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:14px}.section-head h2{margin-bottom:4px}.table-wrap{overflow-x:auto}.data-grid{width:100%;border-collapse:collapse;min-width:720px}.data-grid th{background:#edf3f7;color:#294254;text-align:left;padding:11px 10px;border-bottom:1px solid #ccd9e2}.data-grid td{padding:11px 10px;border-bottom:1px solid #e6edf2;vertical-align:middle}.data-grid tr:last-child td{border-bottom:0}.check-field label{display:inline;font-weight:500;margin-left:6px}.button-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.message-box{border-radius:8px;padding:12px 14px;margin-bottom:18px;font-weight:600}.message-success{background:#eaf7ee;border:1px solid #a8d8b3;color:#215c2e}.message-error{background:#fff0ef;border:1px solid #e0aaa5;color:#942b22}.compact-card{padding-top:18px}.action-note{margin-top:12px}@media(max-width:640px){.topbar,.section-head{align-items:flex-start;flex-direction:column}.top-actions{width:100%}.download{float:none;margin-bottom:10px}.btn{box-sizing:border-box}.wrap{margin-top:18px}}

/* 資料管理・資料検索 */
.admin-filter{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:12px 0 18px}
.admin-filter label{margin-left:6px}
.input-wide{max-width:680px}
.input-number{max-width:140px}
.block-meta{display:block;margin-top:7px}
.search-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.search-row .input{flex:1;min-width:260px}
.category-lead{margin-top:-8px;margin-bottom:6px}
.tag{display:inline-block;background:#edf3f7;border:1px solid #d6e1e8;border-radius:999px;padding:2px 9px;margin:5px 0;color:#36546a}
.support-file-item strong{display:block;padding-top:2px}
@media(max-width:640px){.search-row{align-items:stretch;flex-direction:column}.search-row .input{min-width:0}.search-row .btn{width:100%}}

/* v0.4.5 資料管理フィルター */
.filter-panel{align-items:flex-end}
.filter-field{display:flex;flex-direction:column;gap:5px;min-width:170px}
.filter-field label{font-size:13px;color:#52697a}
.filter-search{min-width:240px;flex:1}
.filter-check{justify-content:flex-end;padding-bottom:7px}
.filter-actions{display:flex;gap:8px;align-items:flex-end}
@media(max-width:760px){
  .filter-field,.filter-search{width:100%;min-width:0}
  .filter-actions{width:100%}
  .filter-actions .btn{flex:1}
}

/* v0.4.6 ユーザー向けサポート画面 */
.support-home{max-width:1180px}
.support-subtitle{font-size:14px;opacity:.85;margin-top:4px}
.support-search-card,.support-filter-card,.support-news,.support-guide,.support-results{
  margin-bottom:22px
}
.support-search-card{
  background:#fff;border-radius:12px;padding:20px;box-shadow:0 2px 10px rgba(0,0,0,.05)
}
.support-search-title{font-weight:700;font-size:18px;margin-bottom:12px}
.support-search-row{display:flex;gap:10px}
.support-search-input{flex:1;font-size:16px}
.support-news{
  background:#fff8e8;border:1px solid #eed9a1;border-radius:12px;padding:16px 18px
}
.support-news-title{font-weight:700;margin-bottom:8px}
.support-news-item{display:flex;gap:16px;padding:8px 0;border-top:1px solid rgba(0,0,0,.08)}
.support-news-item:first-of-type{border-top:0}
.support-news-date{white-space:nowrap;font-size:13px;color:#6a6a6a}
.support-news-content{flex:1}
.support-section-heading{display:flex;justify-content:space-between;align-items:end;margin-bottom:12px}
.support-category-grid{
  display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));gap:12px
}
.support-category-card{
  appearance:none;border:1px solid #d7e0e7;background:#fff;border-radius:12px;
  padding:22px 16px;font-size:16px;font-weight:700;cursor:pointer;text-align:left;
  box-shadow:0 2px 8px rgba(0,0,0,.04)
}
.support-category-card:hover{transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.08)}
.support-filter-card{
  background:#f7f9fb;border:1px solid #e2e8ee;border-radius:12px;padding:14px 16px
}
.support-filter-row{display:flex;gap:14px;align-items:flex-end;flex-wrap:wrap}
.support-current-filter{
  margin-top:12px;padding-top:10px;border-top:1px solid #e2e8ee;font-size:14px
}
.support-group{margin-bottom:24px}
.support-group-title{
  font-size:20px;font-weight:700;padding:10px 0;border-bottom:2px solid #dfe7ed;margin-bottom:8px
}
.support-item-list{display:flex;flex-direction:column;gap:10px}
.support-item{
  display:flex;justify-content:space-between;gap:18px;align-items:center;
  background:#fff;border:1px solid #e0e6eb;border-radius:12px;padding:16px 18px
}
.support-item-main{min-width:0;flex:1}
.support-item-title{font-size:17px;font-weight:700;margin-bottom:7px}
.support-item-meta{display:flex;gap:7px;flex-wrap:wrap;margin-bottom:7px}
.support-item-meta span{
  background:#eef3f6;border-radius:999px;padding:3px 9px;font-size:12px;color:#4f6574
}
.support-item-description{font-size:14px;color:#5a6a75;line-height:1.6}
.support-item-action{flex:none}
.support-empty{
  background:#fff;border:1px dashed #cbd6dd;border-radius:12px;padding:30px;text-align:center;color:#6c7b85
}
@media(max-width:700px){
  .support-search-row{flex-direction:column}
  .support-item{align-items:flex-start;flex-direction:column}
  .support-item-action{width:100%}
  .support-item-action .btn{display:block;text-align:center;width:100%}
}

/* v0.4.7 ログイン後ホーム */
.home-hero{
  display:flex;justify-content:space-between;gap:24px;align-items:center;
  background:#fff;border:1px solid #e0e6eb;border-radius:14px;
  padding:26px 28px;margin-bottom:24px;box-shadow:0 2px 10px rgba(0,0,0,.04)
}
.home-kicker{font-size:12px;letter-spacing:.08em;color:#718391;font-weight:700;margin-bottom:6px}
.home-hero h2{font-size:26px;margin:0 0 8px}
.home-hero p{margin:0;color:#5f6f7a}
.home-latest{margin-bottom:26px}
.latest-item{
  display:flex;gap:18px;align-items:center;background:#fff;border:1px solid #e0e6eb;
  border-radius:12px;padding:16px 18px;margin-bottom:10px
}
.latest-date{width:95px;flex:none;color:#6e7d87;font-size:14px}
.latest-content{flex:1;min-width:0}
.latest-title{font-size:16px;font-weight:700;margin-bottom:6px}
.latest-meta{display:flex;gap:7px;flex-wrap:wrap}
.latest-meta span{
  background:#eef3f6;border-radius:999px;padding:3px 9px;font-size:12px;color:#4f6574
}
.latest-action{flex:none}
.home-nav-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:14px}
.home-nav-card{
  display:block;background:#fff;border:1px solid #dfe6eb;border-radius:12px;
  padding:20px;text-decoration:none;color:inherit;box-shadow:0 2px 8px rgba(0,0,0,.04)
}
.home-nav-card:hover{box-shadow:0 4px 12px rgba(0,0,0,.08);transform:translateY(-1px)}
.home-nav-title{font-size:18px;font-weight:700;margin-bottom:7px}
.home-nav-text{font-size:14px;color:#60707b;line-height:1.6}
@media(max-width:700px){
  .home-hero{flex-direction:column;align-items:flex-start}
  .latest-item{align-items:flex-start;flex-direction:column}
  .latest-date{width:auto}
  .latest-action{width:100%}
  .latest-action .btn{display:block;width:100%;text-align:center}
}

/* v0.4.8 明るいビジュアルデザイン */
body{
  background:linear-gradient(180deg,#f6fbff 0,#fbfdff 42%,#fffaf2 100%);
}
.header{
  background:linear-gradient(110deg,#ffffff 0,#f4fbff 55%,#fff7e6 100%);
  border-bottom:1px solid #dfeaf0;
}
.bright-hero{
  background:linear-gradient(135deg,#ffffff 0,#f0f9ff 54%,#fff8e8 100%);
  border-color:#d9e9f2;
  overflow:hidden;
  padding:28px 30px;
}
.home-hero-main{flex:1;min-width:0}
.home-hero-main h2{font-size:30px;line-height:1.3}
.home-hero-main p{font-size:15px;line-height:1.8;max-width:540px}
.home-hero-action{margin-top:18px}
.home-hero-visual{width:min(44%,420px);flex:none}
.home-hero-visual img{display:block;width:100%;height:auto}
.home-latest{
  background:rgba(255,255,255,.72);border:1px solid #e3edf2;border-radius:14px;
  padding:20px;box-shadow:0 2px 10px rgba(58,86,104,.05)
}
.latest-item{
  border-color:#e3ebef;box-shadow:0 2px 7px rgba(52,82,100,.035)
}
.latest-item:hover{
  border-color:#cfdfe8;box-shadow:0 5px 14px rgba(52,82,100,.07);
}
.latest-date{
  background:#edf8ff;border-radius:8px;padding:7px 8px;text-align:center;color:#55778d
}
.home-nav-card{
  background:linear-gradient(135deg,#ffffff,#f8fcff);
}
.home-nav-card:first-child{
  background:linear-gradient(135deg,#f1faff,#ffffff);
}
.support-category-card{
  background:linear-gradient(145deg,#ffffff,#f6fbff);
  border-color:#dbe9f0;
}
.support-category-card:nth-child(2n){
  background:linear-gradient(145deg,#fffdfa,#fff7e7);
}
.support-category-card:nth-child(3n){
  background:linear-gradient(145deg,#ffffff,#f1fbf6);
}
.library-hero{
  display:flex;justify-content:space-between;gap:24px;align-items:center;
  background:linear-gradient(135deg,#ffffff 0,#f3fbff 52%,#f8f3ff 100%);
  border:1px solid #dfeaf2;border-radius:14px;padding:22px 26px;margin-bottom:20px;
  box-shadow:0 2px 10px rgba(48,77,96,.045);overflow:hidden
}
.library-hero-copy{flex:1}
.library-hero-copy h2{margin:0 0 8px;font-size:25px;line-height:1.4}
.library-hero-copy p{margin:0;color:#5f7180;line-height:1.7}
.library-hero-visual{width:min(38%,330px);flex:none}
.library-hero-visual img{width:100%;height:auto;display:block}
.support-search-card{
  border:1px solid #e0eaf0;
}
.support-item{
  box-shadow:0 2px 8px rgba(49,79,96,.035)
}
.support-item:hover{
  border-color:#ccdde6;box-shadow:0 4px 12px rgba(49,79,96,.065)
}
.btn{
  box-shadow:0 2px 5px rgba(39,89,117,.08)
}
@media(max-width:800px){
  .home-hero-visual,.library-hero-visual{width:42%}
}
@media(max-width:700px){
  .home-hero-visual,.library-hero-visual{width:100%;max-width:360px;align-self:center}
  .library-hero{flex-direction:column;align-items:flex-start}
  .home-hero-main h2{font-size:25px}
}


/* v0.4.9 明るいヘッダー用タイトル文字色修正 */
.header h1,
.header .topbar h1 {
    color: #284b63;
}

.header .support-subtitle,
.header .topbar .support-subtitle {
    color: #5f7180;
}