:root{
  --navy:#0b2a5b; --navy-2:#123b7a; --blue:#1d5fd1; --blue-soft:#e8f0fd;
  --saffron:#f28c1c; --green:#138a4a; --green-soft:#e6f4ec; --red:#c62828; --red-soft:#fdecec;
  --ink:#1b2333; --ink-2:#4a5568; --ink-3:#7a8597; --line:#dde3ec; --bg:#f5f7fb; --card:#fff;
  --r:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 4px 16px rgba(16,24,40,.06);
  --font:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Hiragino Sans",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);font-size:15px;line-height:1.7;-webkit-text-size-adjust:100%}
a{color:var(--blue)}
h1,h2,h3{line-height:1.35;margin:0 0 .5em}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.narrow{max-width:680px}
.muted{color:var(--ink-3)} .small{font-size:12.5px} .center{text-align:center} .nowrap{white-space:nowrap}
[hidden]{display:none!important}

.mi{font-family:"Material Symbols Rounded";font-weight:normal;font-style:normal;font-size:20px;line-height:1;display:inline-block;vertical-align:-4px;margin-right:4px;-webkit-font-feature-settings:"liga";font-feature-settings:"liga";font-variation-settings:"FILL" 0}
.mi-sm{font-size:16px;vertical-align:-3px} .mi-fill{font-variation-settings:"FILL" 1}

/* ボタン */
.btn{display:inline-flex;align-items:center;gap:2px;min-height:40px;padding:8px 18px;border-radius:999px;border:1px solid transparent;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;transition:.15s}
.btn-lg{min-height:52px;padding:12px 28px;font-size:16px}
.btn-sm{min-height:32px;padding:4px 12px;font-size:13px}
.btn-primary{background:var(--saffron);color:#fff;box-shadow:0 4px 14px rgba(242,140,28,.35)}
.btn-primary:hover{background:#e07b0d}
.btn-primary:disabled{opacity:.6;cursor:wait}
.btn-ghost{background:rgba(255,255,255,.12);color:inherit;border-color:currentColor}
.btn-tinted{background:var(--blue-soft);color:var(--blue)}
.btn-tinted:hover{background:#d6e4fb}
.btn-plain{background:none;color:var(--blue);padding-inline:8px}
.btn-plain.danger{color:var(--red)}
.btn-disabled{background:#e5e7eb;color:var(--ink-2);cursor:default}
.icon-btn{border:0;background:none;color:var(--ink-3);cursor:pointer;padding:2px;border-radius:6px}
.icon-btn:hover{background:var(--red-soft);color:var(--red)}
:focus-visible{outline:3px solid #8db4f5;outline-offset:2px}

/* ヒーロー */
.hero{position:relative;color:#fff;background:linear-gradient(135deg,#071d42 0%,#0b2a5b 45%,#14468f 100%);padding:28px 0 56px;overflow:hidden}
.hero::after{content:"";position:absolute;inset:auto -10% -40% auto;width:60%;aspect-ratio:1;background:radial-gradient(circle,rgba(255,255,255,.08),transparent 60%);pointer-events:none}
.hero-band{position:absolute;left:0;right:0;bottom:0;height:8px;display:flex}
.hero-band i{flex:1} .hero-band i:nth-child(1){background:var(--saffron)} .hero-band i:nth-child(2){background:#fff} .hero-band i:nth-child(3){background:var(--green)}
.orgs{font-size:12.5px;opacity:.85;display:grid;gap:4px;margin-bottom:28px}
.org-role{display:inline-block;border:1px solid rgba(255,255,255,.5);border-radius:4px;padding:0 6px;margin-right:8px;font-size:11.5px}
.hero h1{font-size:clamp(26px,5vw,44px);font-weight:700;letter-spacing:.02em;margin-bottom:12px}
.hero .yr{color:var(--saffron)}
.hero-sub{font-size:clamp(16px,2.4vw,20px);margin:0 0 4px;font-weight:500}
.hero-en{opacity:.75;margin:0 0 24px;font-size:14px}
.hero-meta{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:16px;font-weight:500;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px}

.intro{max-width:780px;padding-top:40px;font-size:16px}
.sec-title{font-size:22px;margin:56px 0 20px;padding-left:12px;border-left:5px solid var(--saffron)}
.sec-title small{font-size:14px;color:var(--ink-3);font-weight:400;margin-left:6px}

/* 第1部/第2部 */
.parts{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px}
.part{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:24px;border-top:6px solid var(--navy-2)}
.part-2{border-top-color:var(--green)}
.part-no{display:inline-block;background:var(--navy-2);color:#fff;font-weight:700;border-radius:6px;padding:2px 12px;margin-bottom:10px}
.part-2 .part-no{background:var(--green)}
.part h2{font-size:21px;color:var(--navy)} .part-2 h2{color:#0d5e33}
.part-lead{color:var(--ink-2)}
.part dl{display:grid;grid-template-columns:auto 1fr;gap:10px 16px;margin:16px 0 0}
.part dt{font-weight:700;color:var(--ink-2);white-space:nowrap}
.part dd{margin:0}

.steps{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(4,1fr);gap:12px;counter-reset:s}
.steps li{background:var(--card);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);display:flex;flex-direction:column;gap:4px;position:relative}
.steps li .mi{font-size:28px;color:var(--blue)}
.steps li span:last-child{font-size:13px;color:var(--ink-2)}
.notes{margin:20px 0;padding:16px 20px 16px 36px;background:#fff8ee;border:1px solid #f6d7ae;border-radius:var(--r);color:#6b4510}

/* 企業カード */
.co-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.co-card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:18px;display:flex;flex-direction:column;gap:6px}
.co-head{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.co-head h3{font-size:16px;margin:0;color:var(--navy)}
.co-left{flex:none;font-size:12px;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--green-soft);color:var(--green)}
.co-left.few{background:#fff3e0;color:#b25e00} .co-left.full{background:#eceff3;color:var(--ink-3)}
.co-person{font-size:13.5px;color:var(--ink-2)} .co-title{color:var(--ink-3);margin-left:6px;font-size:12.5px}
.co-focus{font-size:13.5px;margin:4px 0;flex:1}
.co-url{font-size:13px;text-decoration:none;word-break:break-all}

.flyer img{display:block;max-width:420px;width:100%;height:auto;border-radius:var(--r);box-shadow:var(--shadow);margin-bottom:56px}

/* フッター */
.site-foot{background:var(--navy);color:#dfe7f5;margin-top:56px;padding:32px 0;font-size:13.5px}
.site-foot a{color:#fff}
.foot-grid{display:flex;flex-wrap:wrap;justify-content:space-between;gap:20px}
.foot-label{opacity:.7;font-size:12px} .foot-org{font-size:16px;font-weight:700;color:#fff} .foot-en{opacity:.7}
.foot-contact div{margin-bottom:4px}

/* 申込フォーム */
.topbar{background:var(--navy);color:#fff}
.topbar .wrap{padding-top:12px;padding-bottom:12px}
.topbar-back{color:#fff;text-decoration:none;font-weight:500}
.form-head{padding:28px 0 8px}
.form-head h1{font-size:26px;color:var(--navy);margin:0}
.form-head-meta{font-weight:500;color:var(--ink-2)}
.panel{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:24px;margin:16px 0}
.panel h2{font-size:18px;color:var(--navy);display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.panel h2 small{font-size:12.5px;color:var(--ink-3);font-weight:400}
.step-no{display:inline-grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--navy-2);color:#fff;font-size:14px}
em{font-style:normal;font-size:11px;font-weight:700;color:#fff;background:var(--red);border-radius:4px;padding:0 6px;margin-left:6px;vertical-align:2px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px}
.span2{grid-column:span 2}
.field{display:block;font-weight:500;font-size:14px}
.field small{color:var(--ink-3);font-weight:400}
.field input,.field select,.field textarea{display:block;width:100%;margin-top:6px;font:inherit;font-size:16px;padding:10px 12px;border:1px solid #c9d2df;border-radius:8px;background:#fff;color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--blue);outline:3px solid #cfe0fb;outline-offset:0}
.field.inline{display:flex;align-items:center;gap:12px;margin-top:14px}
.field.inline select{width:auto;margin:0}
.field-err{color:var(--red);font-size:13px;margin:6px 0 0;font-weight:500}
.chk{display:inline-flex;align-items:center;gap:8px;cursor:pointer;font-weight:500}
.chk input{width:18px;height:18px}

.join-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.join-card{display:flex;gap:12px;align-items:flex-start;border:2px solid var(--line);border-radius:var(--r);padding:16px;cursor:pointer;transition:.15s}
.join-card input{width:20px;height:20px;margin-top:3px;flex:none}
.join-card:has(input:checked){border-color:var(--blue);background:var(--blue-soft)}
.join-body{display:flex;flex-direction:column}
.join-body span{font-size:13px;color:var(--ink-2)}

.hint{color:var(--ink-2);font-size:13.5px}
.lg{display:inline-block;width:14px;height:14px;border-radius:4px;vertical-align:-2px;margin-left:6px;border:1px solid}
.lg-free{background:#fff;border-color:#9fb6db} .lg-mine{background:var(--blue);border-color:var(--blue)}
.lg-taken{background:#eceff3;border-color:#d5dae2} .lg-clash{background:repeating-linear-gradient(45deg,#fff,#fff 3px,#e3e7ee 3px,#e3e7ee 5px);border-color:#d5dae2}
.slot-tools{display:flex;flex-wrap:wrap;gap:12px 20px;align-items:center;margin:14px 0}
.search{flex:1;min-width:240px;display:flex;align-items:center;border:1px solid #c9d2df;border-radius:999px;padding:0 14px;background:#fff}
.search .mi{color:var(--ink-3)}
.search input{border:0;outline:0;font:inherit;font-size:16px;padding:9px 4px;flex:1;min-width:0;background:transparent}

#slotPanel.off .slot-tools,#slotPanel.off .slot-head,#slotPanel.off #coList,#slotPanel.off .hint{display:none}
#slotPanel.off::after{content:"第1部（B2B商談）に参加する場合は、上の「第1部」にチェックを入れると時間帯を選べます。";display:block;color:var(--ink-3);font-size:14px}

.slot-head,.co-row{display:grid;grid-template-columns:minmax(220px,1fr) minmax(0,620px);gap:12px;align-items:center}
.slot-head{font-size:12px;color:var(--ink-3);padding:0 8px 4px;position:sticky;top:0;background:var(--card);z-index:2;border-bottom:1px solid var(--line)}
.slot-head .chips>div{text-align:center;font-weight:700}
.co-row{padding:10px 8px;border-bottom:1px solid var(--line);border-radius:8px}
.co-row.has-sel{background:#f3f7ff}
.co-row summary{cursor:pointer;list-style:none;font-size:14.5px;color:var(--navy)}
.co-row summary::-webkit-details-marker{display:none}
.co-row summary::after{content:"expand_more";font-family:"Material Symbols Rounded";font-size:18px;vertical-align:-4px;color:var(--ink-3);margin-left:2px}
.co-row details[open] summary::after{content:"expand_less"}
.co-sel-badge{display:inline-block;margin-left:8px;background:var(--blue);color:#fff;font-size:11.5px;border-radius:999px;padding:0 8px;font-weight:700;vertical-align:1px}
.co-focus-line{font-size:12px;color:var(--ink-3);line-height:1.5}
.co-more{font-size:13px;color:var(--ink-2);padding:6px 0}
.co-more p{margin:4px 0}
.chips{display:grid;grid-template-columns:repeat(8,minmax(0,1fr)) 32px;gap:4px;align-items:center}
.chip{position:relative;cursor:pointer}
.chip input{position:absolute;opacity:0;inset:0;margin:0;cursor:pointer}
.chip span{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:44px;border:1px solid #9fb6db;border-radius:8px;background:#fff;color:var(--blue);line-height:1.2;transition:.12s}
.chip span b{font-size:13px} .chip span i{font-style:normal;font-size:10.5px;opacity:.75}
.chip:hover span{background:var(--blue-soft)}
.chip input:focus-visible+span{outline:3px solid #8db4f5;outline-offset:1px}
.chip input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 2px 8px rgba(29,95,209,.35)}
.chip.taken span{background:#eceff3;border-color:#d5dae2;color:#9aa3b2;cursor:not-allowed}
.chip.taken input,.chip.clash input{cursor:not-allowed}
.chip.clash span{background:repeating-linear-gradient(45deg,#fff,#fff 4px,#eef1f5 4px,#eef1f5 8px);border-color:#d5dae2;color:#a3acba}
.chip-clear{border:0;background:none;color:var(--ink-3);cursor:pointer;border-radius:50%;width:32px;height:32px;display:grid;place-items:center}
.chip-clear .mi{margin:0}
.chip-clear:hover{background:var(--red-soft);color:var(--red)}

.privacy{background:var(--bg);border-radius:8px;padding:14px 16px;margin-top:16px;font-size:13.5px}
.privacy p{margin:0 0 10px;color:var(--ink-2)}

.sched-preview ol{list-style:none;padding:0;margin:0}
.sched-preview li{display:flex;gap:16px;padding:8px 0;border-bottom:1px dashed var(--line)}
.sched-preview li b{color:var(--blue);min-width:110px}

.submit-bar{position:sticky;bottom:0;z-index:5;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border:1px solid var(--line);border-radius:var(--r);padding:12px 16px;padding-bottom:calc(12px + env(safe-area-inset-bottom));margin:16px 0 0;box-shadow:0 -4px 20px rgba(16,24,40,.08)}
.summary{font-weight:500;color:var(--ink-2)}

.alert{display:flex;gap:8px;align-items:flex-start;background:var(--blue-soft);color:var(--navy);border-radius:var(--r);padding:12px 16px;margin:12px 0;font-weight:500}
.alert ul{margin:6px 0 0;padding-left:20px}
.alert-err{background:var(--red-soft);color:var(--red)}
.alert-ok{background:var(--green-soft);color:#0d5e33}

/* 完了 */
.done{text-align:center;padding-top:40px}
.done .panel{text-align:left}
.done-icon .mi{font-size:64px;color:var(--green);margin:0}
.done h1{color:var(--navy)}
.ref-box{display:inline-flex;flex-direction:column;border:2px solid var(--navy-2);border-radius:var(--r);padding:10px 32px;margin:12px 0;font-size:13px;color:var(--ink-2)}
.ref-box b{font-size:28px;letter-spacing:.08em;color:var(--navy)}
.kv{display:grid;grid-template-columns:auto 1fr;gap:6px 20px;margin:0}
.kv dt{color:var(--ink-3)} .kv dd{margin:0;font-weight:500}
.sched{width:100%;border-collapse:collapse}
.sched th,.sched td{text-align:left;padding:8px;border-bottom:1px solid var(--line);vertical-align:top}
.sched th{white-space:nowrap;color:var(--blue)}

/* 管理画面 */
body.admin{background:#f2f4f8}
.admin .wrap.wide-admin{max-width:1280px}
.admin-bar{background:var(--navy);color:#fff}
.admin-bar-in{display:flex;align-items:center;gap:12px;padding-top:12px;padding-bottom:12px;flex-wrap:wrap}
.admin-bar .muted{color:#aebbd3}
.admin-bar nav{margin-left:auto;display:flex;gap:16px}
.admin-bar a{color:#fff;text-decoration:none;font-size:14px}
.login{padding-top:60px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:20px 0}
.stats>div{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:14px 18px;display:flex;align-items:baseline;gap:6px;flex-wrap:wrap}
.stats span{width:100%;font-size:13px;color:var(--ink-3)}
.stats b{font-size:28px;color:var(--navy)}
.stats small{color:var(--ink-3)}
.dl-bar{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:16px}
.dl-label{font-weight:700;color:var(--ink-2);margin-right:8px}
.tabs{display:flex;gap:4px;border-bottom:2px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tabs a{padding:10px 16px;text-decoration:none;color:var(--ink-2);font-weight:500;border-bottom:3px solid transparent;margin-bottom:-2px;white-space:nowrap}
.tabs a.on{color:var(--blue);border-bottom-color:var(--blue)}
.tbl-tools{margin-bottom:12px;max-width:420px}
.tbl-wrap{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);overflow-x:auto}
.tbl{width:100%;border-collapse:collapse;font-size:13.5px}
.tbl th,.tbl td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
.tbl thead th{background:#f7f9fc;font-size:12.5px;color:var(--ink-2);position:sticky;top:0}
.tbl .msg{max-width:240px}
.bk{display:flex;align-items:center;gap:4px;white-space:nowrap}
form.inline{display:inline}
.empty{background:var(--card);border-radius:var(--r);padding:40px;text-align:center;color:var(--ink-3)}
.matrix th:first-child{min-width:200px}
.matrix td{min-width:110px;font-size:12px}
.matrix td.booked{background:#eef4ff}
.matrix summary{cursor:pointer;list-style:none}
.matrix .pop{margin-top:6px;padding-top:6px;border-top:1px dashed #b8c8e6}
.co-edit{padding:16px 20px}
.co-edit.inactive{opacity:.6}
.co-new{border:2px dashed #b8c8e6}
.co-edit h3{font-size:15px;color:var(--navy)}
.co-edit-grid{display:grid;grid-template-columns:80px 2fr 1.5fr 1fr 1.5fr;gap:10px}
.co-edit-grid .field input,.co-edit-grid .field textarea{font-size:14px;padding:7px 10px}
.span-all{grid-column:1/-1}
.co-edit-foot{display:flex;align-items:center;gap:16px;justify-content:flex-end;margin-top:8px}
.narrow-panel{max-width:560px}
.seg{display:inline-flex;background:#eceff3;border-radius:10px;padding:3px;margin-bottom:14px}
.seg input{position:absolute;opacity:0}
.seg span{display:block;padding:7px 18px;border-radius:8px;cursor:pointer;font-weight:500}
.seg input:checked+span{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.12);color:var(--blue)}

/* スマホ */
@media (max-width:860px){
  .parts,.join-grid,.grid2{grid-template-columns:1fr}
  .span2{grid-column:auto}
  .steps{grid-template-columns:1fr 1fr}
  .slot-head{display:none}
  .co-row{grid-template-columns:1fr}
  .chips{grid-template-columns:repeat(4,1fr)}
  .chip-clear{grid-column:4;justify-self:end}
  .stats{grid-template-columns:1fr 1fr}
  .co-edit-grid{grid-template-columns:1fr 1fr}
  .co-edit-grid .field:nth-child(2){grid-column:span 2}
}
@media (max-width:480px){ .steps{grid-template-columns:1fr} .panel{padding:18px} }
@media print{
  .topbar,.site-foot,.no-print,.admin-bar{display:none}
  body{background:#fff}
  .panel{box-shadow:none;border:1px solid #ccc}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}