:root{
  --navy:#16223C; --navy-deep:#0E1730; --blue:#3A4E78; --light:#EEF1F7; --accent:#C7A559; --accent-2:#A98B3F;
  --bg:#F5F6F9; --card:#FFFFFF; --ink:#1C2533; --muted:#6B7587; --line:#E8EAF0;
  --ok:#2E9E6B; --warn:#C0392B;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Meiryo UI","Meiryo","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif;color:var(--ink);background:var(--bg);line-height:1.75;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
.container{max-width:1120px;margin:0 auto;padding:0 24px}
img{max-width:100%}

/* Header / nav */
header.site{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20}
header.site .container{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;color:var(--navy);font-size:19px;cursor:pointer}
.logo .mark{width:34px;height:34px;border-radius:8px;background:linear-gradient(135deg,var(--navy),var(--blue));display:grid;place-items:center;color:#fff;font-size:16px}
.logo small{font-size:12px;color:var(--muted);font-weight:600;margin-left:2px}
nav.main{display:flex;gap:26px;font-size:14px;font-weight:600;color:#33415c}
nav.main a{padding:6px 0;border-bottom:2px solid transparent;cursor:pointer}
nav.main a:hover,nav.main a.on{color:var(--blue);border-color:var(--blue)}
.btn{display:inline-block;padding:9px 18px;border-radius:8px;font-weight:700;font-size:14px;cursor:pointer;border:none;font-family:inherit}
.btn.primary{background:var(--blue);color:#fff}
.btn.primary:hover{background:var(--navy)}
.btn.ghost{background:#fff;color:var(--blue);border:1.5px solid var(--blue)}
.btn.lg{padding:13px 28px;font-size:15px}
.btn.sm{padding:6px 12px;font-size:13px}
.btn.danger{background:#fff;color:var(--warn);border:1.5px solid #e7b7b1}

/* Hero */
.hero{background:linear-gradient(120deg,#16294a,#1F3864 55%,#2E75B6);color:#fff;padding:64px 0 72px;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-80px;top:-80px;width:360px;height:360px;border-radius:50%;background:rgba(255,255,255,.06)}
.hero h1{font-size:38px;line-height:1.4;margin-bottom:18px;font-weight:800}
.hero p{font-size:16px;max-width:640px;color:#dbe6f5;margin-bottom:28px}
.hero .cta{display:flex;gap:14px;flex-wrap:wrap}
.hero .btn.ghost{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.5)}
.stats{display:flex;gap:40px;margin-top:40px}
.stats div b{font-size:30px;display:block;font-weight:800}
.stats div span{font-size:13px;color:#c3d4ec}

/* Sections */
section.block{padding:56px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:26px}
.sec-head h2{font-size:26px;color:var(--navy);font-weight:800}
.sec-head .sub{color:var(--muted);font-size:13px;letter-spacing:.18em;font-weight:700;text-transform:uppercase}
.sec-head a.more{font-size:13px;color:var(--blue);font-weight:700;cursor:pointer}

/* Cards grid */
.grid{display:grid;gap:20px}
.grid.c3{grid-template-columns:repeat(3,1fr)}
.grid.c2{grid-template-columns:repeat(2,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;overflow:hidden;transition:.15s;cursor:pointer;display:block}
.card:hover{box-shadow:0 8px 24px rgba(31,56,100,.10);transform:translateY(-2px)}
.card .thumb{height:120px;background:linear-gradient(135deg,var(--light),#eef5fb);display:grid;place-items:center;font-size:34px}
.card .body{padding:16px}
.tag{display:inline-block;font-size:11px;font-weight:700;color:var(--blue);background:var(--light);padding:3px 9px;border-radius:99px;margin-bottom:8px}
.tag.green{color:#1d7a4f;background:#d9f2e5}
.tag.orange{color:#9a6312;background:#fbeacd}
.card h3{font-size:15px;line-height:1.5;margin-bottom:6px;color:var(--ink)}
.card .meta{font-size:12px;color:var(--muted)}

/* Useful info list */
.infolist{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.infolist a.row{display:flex;align-items:center;gap:14px;padding:15px 20px;border-bottom:1px solid var(--line);cursor:pointer}
.infolist a.row:last-child{border-bottom:none}
.infolist a.row:hover{background:#f8fafc}
.infolist .date{font-size:12px;color:var(--muted);min-width:90px;font-variant-numeric:tabular-nums}
.infolist .row p{font-size:14px;flex:1}

/* Services */
.svc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:26px}
.svc.click{cursor:pointer;transition:.15s}.svc.click:hover{border-color:var(--blue);box-shadow:0 8px 24px rgba(31,56,100,.10);transform:translateY(-2px)}
.svc .ico{width:46px;height:46px;border-radius:10px;background:var(--light);display:grid;place-items:center;font-size:22px;margin-bottom:14px}
.svc h3{font-size:17px;color:var(--navy);margin-bottom:8px}
.svc p{font-size:13.5px;color:var(--muted)}

/* band */
.band{background:linear-gradient(120deg,#1F3864,#2E75B6);color:#fff;border-radius:16px;padding:40px;display:flex;align-items:center;justify-content:space-between;gap:30px;flex-wrap:wrap}
.band h2{font-size:24px;margin-bottom:8px}
.band p{color:#dbe6f5;font-size:14px;max-width:520px}
.band .ai-pill{display:inline-block;background:var(--accent);color:#3a2606;font-weight:800;font-size:11px;padding:4px 10px;border-radius:99px;margin-bottom:12px;letter-spacing:.05em}
.signup{display:flex;gap:10px;background:#fff;padding:8px;border-radius:10px}
.signup input{border:none;outline:none;padding:10px 12px;font-size:14px;min-width:200px;font-family:inherit}

/* Footer */
footer.site{background:#0F1B2D;color:#9fb6d6;padding:40px 0;font-size:13px;margin-top:40px}
footer.site .cols{display:flex;justify-content:space-between;flex-wrap:wrap;gap:24px}
footer.site b{color:#fff;display:block;margin-bottom:10px}
footer.site a{display:block;color:#9fb6d6;padding:3px 0;cursor:pointer}
footer.site .copy{margin-top:28px;border-top:1px solid #22344f;padding-top:18px;color:#5e7494}

/* page head / breadcrumb / chips */
.pagehead{background:linear-gradient(120deg,#16294a,#1F3864);color:#fff;padding:36px 0 30px}
.pagehead .sub{font-size:12px;letter-spacing:.18em;font-weight:700;color:#9fc0e8;text-transform:uppercase}
.pagehead h1{font-size:28px;margin-top:6px}
.crumb{font-size:12.5px;color:var(--muted);padding:14px 0}
.crumb a{color:var(--blue);cursor:pointer;font-weight:600}
.chips{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:22px}
.chip{font-size:12.5px;font-weight:700;padding:6px 14px;border-radius:99px;border:1.5px solid var(--line);background:#fff;color:#42526b;cursor:pointer}
.chip.on,.chip:hover{background:var(--blue);color:#fff;border-color:var(--blue)}

/* article */
.article{max-width:760px;margin:0 auto}
.article .hero-img{height:220px;border-radius:14px;background:linear-gradient(135deg,var(--light),#eef5fb);display:grid;place-items:center;font-size:64px;margin:8px 0 22px}
.article h1{font-size:28px;color:var(--navy);line-height:1.5;margin-bottom:10px}
.article .ameta{color:var(--muted);font-size:13px;margin-bottom:24px}
.article h2{font-size:19px;color:var(--navy);margin:28px 0 10px}
.article p{font-size:15px;color:#2c3a4f;margin-bottom:14px}
.article .lead{font-size:16px;color:#42526b;background:#f3f8fd;border-left:4px solid var(--blue);padding:14px 18px;border-radius:0 8px 8px 0;margin-bottom:24px}
.relbox{border-top:1px solid var(--line);margin-top:36px;padding-top:24px}

/* profile / form */
.profile{width:100%;border-collapse:collapse;font-size:14px;background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.profile th{background:#f3f6fb;color:var(--navy);text-align:left;width:160px;padding:14px 18px;border-bottom:1px solid var(--line);vertical-align:top}
.profile td{padding:14px 18px;border-bottom:1px solid var(--line)}
.form{max-width:600px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px}
.field{margin-bottom:16px}
.field label{display:block;font-size:12px;font-weight:700;color:#45526b;margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;padding:11px 13px;border:1.5px solid var(--line);border-radius:8px;font-size:14px;font-family:inherit}
.field textarea{resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:none}
.notice-banner{background:#d9f2e5;color:#1d7a4f;border:1px solid #aadcc2;border-radius:8px;padding:12px 16px;font-size:14px;margin-bottom:18px}
.error-banner{background:#fbe0de;color:#a3271f;border:1px solid #f0bdb7;border-radius:8px;padding:12px 16px;font-size:14px;margin-bottom:18px}

/* ===== login ===== */
.login-wrap{min-height:calc(100vh - 69px);display:grid;place-items:center;background:linear-gradient(120deg,#16294a,#1F3864)}
.login-card{background:#fff;border-radius:16px;padding:40px;width:380px;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.login-card .logo{justify-content:center;margin-bottom:8px}
.login-card p.lead{text-align:center;color:var(--muted);font-size:13px;margin-bottom:24px}
.login-card .btn{width:100%;margin-top:6px}
.login-note{font-size:12px;color:var(--muted);text-align:center;margin-top:16px;line-height:1.9}
.login-note b{color:var(--blue)}
.demo-creds{background:#f3f6fb;border:1px dashed #c7d4e6;border-radius:8px;padding:12px 14px;font-size:12px;color:#45526b;margin-top:18px;line-height:1.8}

/* ===== app shell (member/admin) ===== */
.app{display:grid;grid-template-columns:240px 1fr;min-height:calc(100vh - 69px)}
.side{background:#16294a;color:#cfe0f5;padding:22px 0}
.side.dark2{background:#22142e}
.side .who{padding:0 22px 18px;border-bottom:1px solid #2a3d5e;margin-bottom:12px}
.side .who .co{font-weight:800;color:#fff;font-size:15px}
.side .who .role{font-size:12px;color:#8ba6cc}
.side .navi a{display:flex;align-items:center;gap:12px;padding:11px 22px;font-size:14px;cursor:pointer;border-left:3px solid transparent;color:#cfe0f5}
.side .navi a:hover{background:#1d3358}
.side.dark2 .navi a:hover{background:#33203f}
.side .navi a.on{background:#1d3358;border-color:var(--accent);color:#fff;font-weight:700}
.side.dark2 .navi a.on{background:#3a2348;border-color:var(--accent)}
.side .navi .ico{width:20px;text-align:center}
.main-area{padding:30px 36px;overflow:auto}
.page-title{font-size:22px;color:var(--navy);font-weight:800;margin-bottom:4px}
.page-sub{color:var(--muted);font-size:13px;margin-bottom:24px}

.kpis{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:28px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px}
.kpi .label{font-size:12px;color:var(--muted)}
.kpi .val{font-size:26px;font-weight:800;color:var(--navy);margin-top:4px}
.kpi .delta{font-size:12px;font-weight:700}
.kpi .delta.up{color:var(--ok)} .kpi .delta.down{color:var(--warn)}

.panel{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;margin-bottom:22px}
.panel h3{font-size:15px;color:var(--navy);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.two{display:grid;grid-template-columns:1fr 1fr;gap:22px}

.notice{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line);font-size:14px}
.notice:last-child{border:none}
.notice .d{color:var(--muted);font-size:12px}
.dot{width:8px;height:8px;border-radius:50%;background:var(--accent);margin-top:7px;flex-shrink:0}

table.lib{width:100%;border-collapse:collapse;font-size:14px}
table.lib th{text-align:left;font-size:12px;color:var(--muted);font-weight:700;padding:10px 12px;border-bottom:2px solid var(--line)}
table.lib td{padding:12px;border-bottom:1px solid var(--line)}
table.lib tr:hover{background:#f8fafc}
.filetag{font-size:11px;font-weight:700;padding:2px 7px;border-radius:5px}
.filetag.xlsx{background:#d9f2e5;color:#1d7a4f}
.filetag.docx{background:#dbe7fb;color:#274b8f}
.filetag.pdf{background:#fbe0de;color:#a33}
.filetag.txt{background:#eef0f3;color:#555}
.dl{color:var(--blue);font-weight:700;cursor:pointer;font-size:13px}

.folder-bar{display:flex;gap:10px;align-items:center;background:#eef3fa;border:1px solid var(--line);border-radius:8px;padding:8px 14px;font-size:13px;color:var(--navy);margin-bottom:18px;flex-wrap:wrap}
.lock{font-size:12px;color:var(--ok);font-weight:700}

.tool-card{display:flex;align-items:center;gap:14px;padding:14px;border:1px solid var(--line);border-radius:10px;cursor:pointer}
.tool-card:hover{border-color:var(--blue);background:#f8fbff}
.tool-card .ico{width:42px;height:42px;border-radius:9px;background:var(--light);display:grid;place-items:center;font-size:20px}
.tool-card .t{font-weight:700;font-size:14px} .tool-card .s{font-size:12px;color:var(--muted)}

.bars{display:flex;align-items:flex-end;gap:14px;height:140px;padding-top:24px}
.bars .bar{flex:1;background:linear-gradient(180deg,var(--blue),var(--navy));border-radius:6px 6px 0 0;position:relative}
.bars .bar b{position:absolute;top:-20px;left:0;right:0;text-align:center;font-size:11px;color:var(--navy);font-weight:700}

.badge{display:inline-block;font-size:11px;font-weight:700;padding:2px 8px;border-radius:99px}
.badge.on{background:#d9f2e5;color:#1d7a4f} .badge.off{background:#f1d6d3;color:#a33}
.badge.draft{background:#fbeacd;color:#9a6312}
.toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;gap:12px;flex-wrap:wrap}
.search{border:1.5px solid var(--line);border-radius:8px;padding:8px 12px;font-size:13px;min-width:220px;font-family:inherit}
.ai-box{background:linear-gradient(120deg,#2a1840,#3f2a55);color:#fff;border-radius:12px;padding:22px;margin-bottom:22px}
.ai-box h3{color:#fff}
.ai-flow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin-top:14px}
.ai-step{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.25);border-radius:8px;padding:8px 12px;font-size:12.5px}
.ai-arrow{color:var(--accent);font-weight:800}
.dropzone{border:2px dashed var(--blue);border-radius:12px;padding:30px;text-align:center;color:var(--muted)}

.uploadbar{background:#fff;border:1px solid var(--line);border-radius:8px;padding:6px 8px;display:inline-flex;gap:8px;align-items:center}
select{font-family:inherit}

/* ===== pricing ===== */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin:10px 0 30px}
.plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:26px;display:flex;flex-direction:column}
.plan.featured{border:2px solid var(--blue);box-shadow:0 12px 30px rgba(31,56,100,.12);position:relative}
.plan.featured::before{content:"おすすめ";position:absolute;top:-12px;left:24px;background:var(--blue);color:#fff;font-size:11px;font-weight:700;padding:4px 12px;border-radius:99px}
.plan .pname{font-size:16px;font-weight:800;color:var(--navy)}
.plan .price{font-size:34px;font-weight:800;color:var(--navy);margin:10px 0 2px}
.plan .price small{font-size:14px;color:var(--muted);font-weight:600}
.plan .unit{font-size:12px;color:var(--muted);margin-bottom:16px}
.plan ul{list-style:none;margin:0 0 18px;padding:0;flex:1}
.plan ul li{font-size:13.5px;color:#2c3a4f;padding:7px 0;border-bottom:1px solid var(--line);padding-left:22px;position:relative}
.plan ul li::before{content:"✓";color:var(--ok);font-weight:800;position:absolute;left:0}
.plan ul li.no{color:var(--muted)}
.plan ul li.no::before{content:"–";color:var(--muted)}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 22px;margin-bottom:30px}
.faq details{padding:14px 0;border-bottom:1px solid var(--line)}
.faq details:last-child{border:none}
.faq summary{font-weight:700;color:var(--navy);cursor:pointer;font-size:14px}
.faq p{font-size:14px;color:#42526b;margin-top:8px}

/* ===== tools & learn ===== */
.toolwrap{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}
.bigval{font-size:30px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.res-row{display:flex;justify-content:space-between;align-items:baseline;padding:10px 0;border-bottom:1px dashed var(--line)}
.res-row:last-child{border:none}
.res-row .k{font-size:13px;color:var(--muted)}
.res-row .v{font-size:18px;font-weight:800;color:var(--navy);font-variant-numeric:tabular-nums}
.res-row .v.warn{color:var(--warn)} .res-row .v.ok{color:var(--ok)}
.inline{display:flex;gap:10px;flex-wrap:wrap}
.inline .field{flex:1;min-width:120px}
.q{margin-bottom:14px}
.q .opts{display:flex;gap:8px;flex-wrap:wrap;margin-top:6px}
.opt{border:1.5px solid var(--line);border-radius:8px;padding:8px 14px;font-size:13px;cursor:pointer;background:#fff}
.opt.sel{background:var(--blue);color:#fff;border-color:var(--blue)}
.result-card{background:#f3f8fd;border:1px solid #cfe3f7;border-radius:10px;padding:16px;margin-top:10px}
.chip-link{display:inline-block;background:var(--light);color:var(--blue);font-weight:700;font-size:12px;padding:4px 10px;border-radius:99px;margin:3px 4px 0 0}
.gloss-item{padding:14px 0;border-bottom:1px solid var(--line)}
.gloss-item:last-child{border:none}
.gloss-item .t{font-weight:800;color:var(--navy);font-size:15px}
.gloss-item .r{font-size:12px;color:var(--muted);margin-left:6px}
.gloss-item .d{font-size:14px;color:#2c3a4f;margin-top:4px}
.check{display:flex;align-items:flex-start;gap:10px;padding:10px 0;border-bottom:1px solid var(--line);cursor:pointer}
.check:last-child{border:none}
.check input{width:18px;height:18px;margin-top:2px;flex-shrink:0}
.check.done span{color:var(--muted);text-decoration:line-through}
.progress{height:8px;background:#e9eef5;border-radius:99px;overflow:hidden;margin:8px 0 4px}
.progress > i{display:block;height:100%;background:linear-gradient(90deg,var(--blue),var(--ok));width:0}
.course-card{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:18px;cursor:pointer;transition:.15s}
.course-card:hover{border-color:var(--blue);box-shadow:0 8px 24px rgba(31,56,100,.10);transform:translateY(-2px)}
.course-card .e{font-size:28px}
.course-body{max-width:760px}
.course-body h2{font-size:18px;color:var(--navy);margin:24px 0 8px}
.course-body p{font-size:15px;color:#2c3a4f;margin-bottom:12px}

/* ===== Responsive: hamburger toggle + drawer scrim (hidden on desktop) ===== */
.menu-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:9px;cursor:pointer;color:var(--navy);flex-shrink:0;padding:0}
.menu-toggle svg{width:22px;height:22px;stroke:currentColor;stroke-width:2;fill:none;stroke-linecap:round;stroke-linejoin:round}
.nav-scrim{display:none;position:fixed;inset:0;background:rgba(14,23,48,.45);z-index:55}
.nav-scrim.show{display:block}

/* Tablet */
@media(max-width:980px){
  .toolwrap{grid-template-columns:1fr}
  .grid.c3{grid-template-columns:1fr 1fr}
  .plans{grid-template-columns:1fr}
}

/* Phone / small tablet */
@media(max-width:860px){
  .menu-toggle{display:inline-flex}
  header.site .container{height:60px;gap:12px}
  header.site .logo{margin-right:auto;font-size:17px}

  /* App shell: sidebar becomes a slide-in drawer */
  .app{grid-template-columns:1fr}
  .side,.side.dark2{position:fixed;top:0;left:0;bottom:0;width:268px;max-width:84vw;z-index:60;
        display:block;overflow-y:auto;padding-top:18px;
        transform:translateX(-100%);transition:transform .25s ease;box-shadow:0 0 40px rgba(0,0,0,.35)}
  .side.open{transform:translateX(0)}
  .main-area{padding:20px 16px;min-height:auto}

  /* Public nav becomes a slide-in drawer (from right) */
  nav.main{position:fixed;top:0;right:0;bottom:0;width:248px;max-width:80vw;z-index:60;
           background:#fff;flex-direction:column;gap:0;padding:72px 0 20px;
           transform:translateX(100%);transition:transform .25s ease;display:flex;
           box-shadow:0 0 40px rgba(0,0,0,.25);overflow-y:auto}
  nav.main.open{transform:translateX(0)}
  nav.main a{padding:14px 22px;border-bottom:1px solid var(--line);border-top:none;width:100%}
  nav.main a:hover,nav.main a.on{color:var(--navy);border-bottom-color:var(--accent)}

  /* Layout downsizing */
  .grid.c3,.grid.c2{grid-template-columns:1fr}
  .kpis{grid-template-columns:1fr 1fr}
  .two{grid-template-columns:1fr}
  .hero{padding:44px 0 50px}.hero h1{font-size:26px}
  .stats{gap:24px;flex-wrap:wrap}
  .band{padding:28px 22px}
  .pagehead h1{font-size:23px}
  .panel{padding:18px 16px}
  .form{padding:22px 18px}
  footer.site{padding:32px 0}

  /* Wide data tables scroll horizontally instead of overflowing the page */
  table.lib{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch;white-space:nowrap}
  .profile{display:block;width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}

  /* Forms / toolbars go full width */
  .inline .field{min-width:100%}
  .search{min-width:0;width:100%}
  .toolbar{flex-direction:column;align-items:stretch}
}

/* Narrow phone */
@media(max-width:480px){
  .kpis{grid-template-columns:1fr}
  .hero h1{font-size:23px}
  .btn.lg{padding:11px 20px;font-size:14px}
  .login-card{width:100%;padding:28px 22px}
  .main-area{padding:16px 12px}
  .pagehead h1{font-size:21px}
  footer.site .cols{flex-direction:column;gap:18px}
}

/* ===================================================================
   Refined theme — 紺 × ゴールド（上品・高級系）
   =================================================================== */
body{color:var(--ink);letter-spacing:.01em}
.container{max-width:1140px}

/* ロゴマーク：紺地にゴールドの「経」＋細いリング */
.logo{font-weight:800;letter-spacing:.02em}
.logo .mark{background:var(--navy);color:var(--accent);box-shadow:inset 0 0 0 1px rgba(199,165,89,.55);border-radius:9px;font-weight:700}
.logo small{color:var(--muted)}

/* ヘッダー */
header.site{box-shadow:0 1px 0 rgba(20,30,55,.06)}
nav.main a{letter-spacing:.02em}
nav.main a:hover,nav.main a.on{color:var(--navy);border-color:var(--accent)}

/* ボタン：紺＝主役、ゴールド＝アクセント */
.btn{border-radius:10px;letter-spacing:.02em;transition:.18s ease;font-weight:700}
.btn.primary{background:var(--navy)}
.btn.primary:hover{background:var(--navy-deep);box-shadow:0 6px 18px rgba(14,23,48,.22)}
.btn.ghost{color:var(--navy);border-color:#cfd5e2}
.btn.ghost:hover{border-color:var(--accent);color:var(--navy)}
.btn.gold{background:linear-gradient(135deg,var(--accent),var(--accent-2));color:#2a2208}
.btn.gold:hover{filter:brightness(1.05);box-shadow:0 6px 18px rgba(169,139,63,.3)}

/* サイドバー：深い紺のグラデ＋ゴールドのアクティブ */
.side, .side.dark2{background:linear-gradient(180deg,var(--navy) 0%, var(--navy-deep) 100%);color:#c4cee0}
.side .who{padding:6px 22px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.side .who .co{color:#fff;letter-spacing:.02em}
.side .who .role{color:#8c99b4}
.side .navi a{color:#c4cee0;border-left:3px solid transparent;margin:1px 0;border-radius:0 8px 8px 0;transition:.15s;font-weight:600}
.side .navi a:hover,.side.dark2 .navi a:hover{background:rgba(255,255,255,.06);color:#fff}


/* ===================================================================
   アイコン表示の修正：黒い塗りつぶしを無効化し、線アイコンとして表示
   =================================================================== */
.ico{display:inline-flex;align-items:center;justify-content:center}
.ico svg{width:18px;height:18px;stroke:currentColor !important;fill:none !important;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.ico svg *{fill:none !important;stroke:currentColor}
/* サイドバーのアイコン色（紺地に明るい線・アクティブはゴールド） */
.side .navi .ico{width:20px;height:20px;text-align:center}
.side .navi a .ico svg{stroke:#cfd8ea !important}
.side .navi a:hover .ico svg{stroke:#ffffff !important}
.side .navi a.on .ico svg{stroke:var(--accent) !important}
/* その他の文脈でのアイコン色 */
.tool-card .ico svg{stroke:var(--navy) !important}
.svc .ico svg{width:24px;height:24px;stroke:var(--navy) !important}
/* ハンバーガーボタンの線色 */
.menu-toggle svg{stroke:var(--navy) !important;fill:none !important}

/* デモ表示バナー */
.demo-banner{background:#fff7e6;border:1px solid #f0d9a8;color:#8a6d1f;border-radius:8px;padding:10px 14px;font-size:13px;font-weight:700;margin-bottom:18px}