:root{font-family:Arial,"Noto Sans JP","Hiragino Kaku Gothic ProN",Meiryo,sans-serif;color:#203b40;background:#f6f8f7;font-synthesis:none;--ink:#153d43;--teal:#276b60;--line:#dce5e1;--muted:#687d7b}
*{box-sizing:border-box}body{margin:0}a{color:inherit;text-decoration:none}button,input,textarea,select{font:inherit}button,.button{display:inline-flex;align-items:center;justify-content:center;gap:10px;border:1px solid var(--ink);border-radius:8px;padding:13px 22px;background:var(--ink);color:white;font-size:14px;font-weight:700;cursor:pointer;line-height:1.4}button:hover,.button:hover{filter:brightness(1.13)}button:disabled{opacity:.45;cursor:wait}.secondary{background:white;color:var(--ink);border-color:var(--line)}.quiet{background:transparent;border-color:transparent;color:var(--muted);padding:9px 12px}.danger{color:#af3c36}.header{height:92px;max-width:1200px;margin:auto;padding:20px 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:21px;letter-spacing:.04em}.brand-mark{display:grid;place-items:center;width:42px;height:46px;background:var(--ink);border-radius:11px;color:white;font-size:29px}.brand small{display:block;font-size:8px;letter-spacing:.19em;margin-top:4px;font-weight:500}nav{display:flex;gap:20px;align-items:center;font-size:13px}nav .active{color:var(--teal);font-weight:700}main{max-width:1112px;margin:0 auto;padding:52px 0 90px;min-height:calc(100vh - 165px)}footer{border-top:1px solid var(--line);max-width:1112px;margin:auto;padding:24px 0;display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}footer span:first-child{font-weight:bold;color:var(--ink)}h1{font-size:32px;line-height:1.5;letter-spacing:.025em;margin:10px 0 14px}h2{font-size:21px;margin:0 0 18px}h3{font-size:18px;margin:0 0 12px}p{line-height:1.9;margin:10px 0;color:var(--muted)}.eyebrow{font-size:10px;letter-spacing:.19em;font-weight:bold;color:var(--teal)}.hero{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center;padding:28px 0 58px}.hero h1{font-size:44px;line-height:1.6;margin:18px 0}.hero p{font-size:15px}.hero .actions{margin-top:30px}.hero-art{background:#e5eeea;border:1px solid #d5e4dd;border-radius:20px;padding:38px 30px;transform:rotate(2deg)}.paper{background:white;border:1px solid #dfe8e3;border-radius:10px;padding:28px;box-shadow:0 15px 28px #183c4010;transform:rotate(-2deg)}.paper-head{display:flex;justify-content:space-between;font-size:12px;font-weight:bold}.demo-question{margin:25px 0 16px;font-size:16px}.demo-option{padding:13px;margin-top:10px;border:1px solid var(--line);border-radius:7px;font-size:12px}.demo-option.selected{background:#edf6f0;border-color:#6a9b85}.mini-label{font-size:11px;color:var(--muted)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:30px;border-top:1px solid var(--line);padding-top:32px}.step-number{display:inline-block;font-size:11px;letter-spacing:.1em;color:var(--teal);margin-bottom:13px}.steps p{font-size:13px}.page-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:32px;gap:16px}.page-heading p{font-size:14px}.card{background:white;border:1px solid var(--line);border-radius:12px;padding:28px}.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.card-footer{display:flex;align-items:center;justify-content:space-between;margin-top:24px;padding-top:20px;border-top:1px solid var(--line);gap:12px}.tag{display:inline-block;font-size:11px;font-weight:bold;background:#e9f2ec;color:#367159;border-radius:5px;padding:6px 9px}.tag.gray{color:#697775;background:#edf0ef}.tag.fail{color:#995a35;background:#fcf0e6}.facts{display:flex;gap:22px;font-size:13px;color:var(--muted);flex-wrap:wrap;margin-top:20px}.facts strong{color:var(--ink)}.section{margin-top:42px}.empty{padding:40px 20px;text-align:center;color:var(--muted);border:1px dashed #bdcec5;border-radius:10px;font-size:14px}.auth{max-width:460px;margin:10px auto}.auth .card{padding:36px}.auth h1{font-size:26px}.field{display:block;margin:20px 0;font-size:13px;font-weight:700}.field input,.field textarea,.field select{display:block;width:100%;border:1px solid #cddbd3;border-radius:7px;background:white;padding:12px;margin-top:8px;color:#203b40;font-weight:400}input:focus,textarea:focus,select:focus,button:focus-visible,a:focus-visible{outline:3px solid #a2cbbb;outline-offset:2px}.field small{display:block;margin-top:7px;font-weight:400;color:var(--muted);font-size:11px}.full{width:100%}.error{color:#a23831;background:#fff1ee;border-radius:6px;padding:12px;font-size:13px;line-height:1.6}.error:empty{display:none}.actions{display:flex;gap:12px;flex-wrap:wrap}.center{text-align:center}.back{font-size:12px;color:var(--muted);display:inline-block;margin-bottom:24px}.exam-info{max-width:720px;margin:auto}.exam-info .facts{padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin-bottom:25px}.notice{background:#edf3ef;padding:16px 20px;border-radius:7px;font-size:13px;line-height:1.9;color:#506b60}.exam-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;gap:24px;align-items:start}.timer{background:var(--ink);color:#fff;border-radius:10px;padding:22px;margin-bottom:18px}.timer small{display:block;font-size:11px;opacity:.75}.timer strong{display:block;font-size:33px;margin-top:8px;font-variant-numeric:tabular-nums;letter-spacing:.05em}.timer.urgent{background:#92453c}.question-text{white-space:pre-wrap;font-size:19px;line-height:1.9;margin:22px 0 28px;overflow-wrap:anywhere}.option{display:flex;align-items:flex-start;gap:13px;border:1px solid var(--line);border-radius:8px;padding:17px;margin:12px 0;cursor:pointer;font-size:14px;line-height:1.8;overflow-wrap:anywhere}.option:has(input:checked){background:#edf6f0;border-color:#699881}.option input{margin-top:6px;accent-color:var(--teal);flex:none}.question-actions{display:flex;justify-content:space-between;border-top:1px solid var(--line);margin-top:28px;padding-top:22px}.question-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:7px;margin:15px 0}.question-grid button{padding:9px 0;background:white;color:var(--muted);border-color:var(--line);font-size:12px}.question-grid button.answered{background:#e1efe6;color:#285b45;border-color:#a5c9b4}.question-grid button.current{box-shadow:0 0 0 2px var(--ink);color:var(--ink)}.save-status{font-size:11px;color:var(--muted);margin-top:14px;min-height:20px}.result{max-width:700px;margin:auto}.result .card{padding:40px}.result-badge{font-size:40px;font-weight:bold;color:#367159;margin:20px 0}.result-badge.fail{color:#995a35}.score{font-size:46px;font-weight:bold}.score small{font-size:19px;color:var(--muted);font-weight:normal}.divider{height:1px;background:var(--line);margin:24px 0}.two-cols{display:grid;grid-template-columns:1fr 1fr;gap:20px}.result-meta{font-size:13px;line-height:2;color:var(--muted)}.editor{max-width:850px;margin:auto}.editor .card{margin-bottom:20px}.question-editor .editor-head{display:flex;justify-content:space-between;align-items:center}.option-editor{display:grid;grid-template-columns:28px 1fr;gap:8px;align-items:center;margin-bottom:10px}.option-editor input[type=radio]{accent-color:var(--teal)}.option-editor input[type=text],.option-editor textarea{padding:11px;border:1px solid #cddbd3;border-radius:6px;min-width:0}.editor-help{font-size:12px;margin-bottom:16px}.checkbox-row{display:flex;gap:10px;align-items:center;font-size:14px}.editor-bar{position:sticky;bottom:15px;background:#fff;border:1px solid var(--line);padding:16px;border-radius:10px;display:flex;justify-content:space-between;gap:12px;box-shadow:0 6px 25px #153d4310}.loading{text-align:center;padding:80px;color:var(--muted)}dialog{border:1px solid var(--line);border-radius:14px;padding:30px;max-width:440px;width:calc(100% - 40px);color:var(--ink)}dialog::backdrop{background:#153d4355}dialog .actions{justify-content:flex-end;margin-top:25px}#toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);padding:14px 24px;border-radius:9px;background:var(--ink);color:white;font-size:13px;box-shadow:0 5px 20px #0002;z-index:10}.text-link{color:var(--teal);text-decoration:underline;font-size:13px}.saved-row{display:flex;justify-content:space-between;align-items:center;padding:20px 0;border-bottom:1px solid var(--line);gap:16px}.saved-row:last-child{border:0}.saved-row h3{font-size:15px}.saved-row p{font-size:12px;margin:5px 0}.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
@media(max-width:1180px){main,footer{margin-left:30px;margin-right:30px}.header{padding-left:30px;padding-right:30px}}
@media(max-width:760px){.header{height:auto;min-height:78px;padding:16px 20px;gap:12px;flex-wrap:wrap}.brand{font-size:18px}.brand-mark{width:34px;height:38px;font-size:24px}nav{gap:12px;flex-wrap:wrap;font-size:12px}nav .button{padding:9px 12px}main{padding:32px 0 55px;margin:0 20px}footer{margin:0 20px}.hero{grid-template-columns:1fr;gap:35px;padding:0 0 40px}.hero h1{font-size:33px}.hero-art{padding:22px;margin:0 5px}.steps{grid-template-columns:1fr;gap:18px}.steps h3{font-size:16px}.steps p{margin-top:5px}.step-number{margin-bottom:6px}.cards{grid-template-columns:1fr}.card{padding:22px}.page-heading{align-items:flex-start}h1{font-size:25px}.page-heading .button{padding:12px;white-space:nowrap}.auth .card{padding:25px}.exam-layout{grid-template-columns:1fr;gap:15px}.exam-aside{grid-row:1}.exam-aside .card{display:none}.timer{position:sticky;top:0;padding:12px 18px;display:flex;justify-content:space-between;align-items:center;margin-bottom:0}.timer strong{font-size:25px;margin:0}.question-text{font-size:17px}.result .card{padding:26px}.two-cols{gap:12px}.saved-row{align-items:flex-start}.saved-row .button{padding:10px;white-space:nowrap}.editor-bar{bottom:8px;padding:12px}.facts{gap:15px}.option-editor{grid-template-columns:22px 1fr}.card-footer{flex-wrap:wrap}}

.answer-fieldset{border:0;padding:0;margin:0}

.question-image{display:block;max-width:100%;height:auto;margin:18px 0 26px;border:1px solid var(--line);border-radius:6px}.question-explanation{margin-top:18px;font-size:13px}.question-explanation p{white-space:pre-wrap}

.option span{white-space:pre-wrap}
[hidden]{display:none!important}


/* Administrative workflows and purchase status share the existing exam design. */
.admin-tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:30px;padding-bottom:14px;border-bottom:1px solid var(--line)}.admin-tabs a{padding:11px 16px;border-radius:7px;font-size:13px;font-weight:700;color:var(--muted)}.admin-tabs a[aria-current=page]{background:var(--ink);color:#fff}.admin-tabs a:hover{background:#e5eeea;color:var(--ink)}.search-field{max-width:620px}.filter-field{max-width:260px}.retake-tag{margin-left:12px;margin-bottom:12px}.details-grid{display:grid;grid-template-columns:150px minmax(0,1fr);gap:12px 20px;font-size:13px;line-height:1.7;margin:20px 0}.details-grid dt{color:var(--muted)}.details-grid dd{margin:0;overflow-wrap:anywhere}.section-heading{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:15px}.section-heading h2{margin:0}.cancellation-request{margin-top:18px;border-top:1px solid var(--line);padding-top:18px}.cancellation-request summary{cursor:pointer;color:var(--teal);font-size:13px;font-weight:700;line-height:1.7}.cancellation-request form{margin-top:18px}.refund-status{margin:22px 0;overflow-wrap:anywhere}.refund-status p{font-size:13px}.refund-amount{max-width:380px}.preserve-lines,#confirm-message{white-space:pre-line}.saved-row>div{min-width:0;overflow-wrap:anywhere}.card h3,.card p{overflow-wrap:anywhere}.retake-form .field{margin-bottom:12px}.admin-tabs a:focus-visible,.cancellation-request summary:focus-visible{outline:3px solid #a2cbbb;outline-offset:2px}
@media(max-width:760px){.admin-tabs{gap:4px}.admin-tabs a{padding:10px;font-size:12px}.details-grid{grid-template-columns:105px minmax(0,1fr);gap:10px}.section-heading{align-items:flex-start}.section-heading button{white-space:nowrap;padding:10px}.page-heading{flex-wrap:wrap}.retake-tag{margin-left:0;display:table}.saved-row{flex-wrap:wrap}.retake-form button{width:100%}.refund-amount{max-width:none}#profile-edit-form .two-cols{grid-template-columns:1fr;gap:0}dialog{max-height:90vh;overflow-y:auto}}
.account-page{max-width:700px;margin:auto}.profile-notice{margin-bottom:28px}.profile-notice p{margin:8px 0 16px;font-size:13px}.guide{max-width:820px;margin:auto}.guide-index{display:flex;flex-wrap:wrap;gap:10px 22px;padding:18px 0;font-size:13px}.guide-index a{color:var(--teal);text-decoration:underline}.guide .card{scroll-margin-top:24px}.guide li{font-size:14px;line-height:2;margin:8px 0}.guide ol,.guide ul{padding-left:24px}.guide .card p{font-size:14px}.guide strong{color:var(--ink)}
.certificate-section{margin-top:28px;padding-top:24px;border-top:1px solid var(--line)}.certificate-section h2{margin-bottom:8px}
footer{gap:12px;flex-wrap:wrap}footer a{text-decoration:underline;text-underline-offset:3px}.guide-organizer{margin-top:30px;font-size:13px}