/*! tailwindcss v4.2.1 | MIT License | https://tailwindcss.com */
@layer theme{:root,:host{--font-sans:ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";--font-mono:ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;--spacing:.25rem;--default-font-family:var(--font-sans);--default-mono-font-family:var(--font-mono)}}@layer base{*,:after,:before{box-sizing:border-box;border:0 solid;margin:0;padding:0}::backdrop{box-sizing:border-box;border:0 solid;margin:0;padding:0}::file-selector-button{box-sizing:border-box;border:0 solid;margin:0;padding:0}html,:host{-webkit-text-size-adjust:100%;tab-size:4;line-height:1.5;font-family:var(--default-font-family,ui-sans-serif, system-ui, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji");font-feature-settings:var(--default-font-feature-settings,normal);font-variation-settings:var(--default-font-variation-settings,normal);-webkit-tap-highlight-color:transparent}hr{height:0;color:inherit;border-top-width:1px}abbr:where([title]){-webkit-text-decoration:underline dotted;text-decoration:underline dotted}h1,h2,h3,h4,h5,h6{font-size:inherit;font-weight:inherit}a{color:inherit;-webkit-text-decoration:inherit;-webkit-text-decoration:inherit;text-decoration:inherit}b,strong{font-weight:bolder}code,kbd,samp,pre{font-family:var(--default-mono-font-family,ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace);font-feature-settings:var(--default-mono-font-feature-settings,normal);font-variation-settings:var(--default-mono-font-variation-settings,normal);font-size:1em}small{font-size:80%}sub,sup{vertical-align:baseline;font-size:75%;line-height:0;position:relative}sub{bottom:-.25em}sup{top:-.5em}table{text-indent:0;border-color:inherit;border-collapse:collapse}:-moz-focusring{outline:auto}progress{vertical-align:baseline}summary{display:list-item}ol,ul,menu{list-style:none}img,svg,video,canvas,audio,iframe,embed,object{vertical-align:middle;display:block}img,video{max-width:100%;height:auto}button,input,select,optgroup,textarea{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}::file-selector-button{font:inherit;font-feature-settings:inherit;font-variation-settings:inherit;letter-spacing:inherit;color:inherit;opacity:1;background-color:#0000;border-radius:0}:where(select:is([multiple],[size])) optgroup{font-weight:bolder}:where(select:is([multiple],[size])) optgroup option{padding-inline-start:20px}::file-selector-button{margin-inline-end:4px}::placeholder{opacity:1}@supports (not ((-webkit-appearance:-apple-pay-button))) or (contain-intrinsic-size:1px){::placeholder{color:currentColor}@supports (color:color-mix(in lab, red, red)){::placeholder{color:color-mix(in oklab, currentcolor 50%, transparent)}}}textarea{resize:vertical}::-webkit-search-decoration{-webkit-appearance:none}::-webkit-date-and-time-value{min-height:1lh;text-align:inherit}::-webkit-datetime-edit{display:inline-flex}::-webkit-datetime-edit-fields-wrapper{padding:0}::-webkit-datetime-edit{padding-block:0}::-webkit-datetime-edit-year-field{padding-block:0}::-webkit-datetime-edit-month-field{padding-block:0}::-webkit-datetime-edit-day-field{padding-block:0}::-webkit-datetime-edit-hour-field{padding-block:0}::-webkit-datetime-edit-minute-field{padding-block:0}::-webkit-datetime-edit-second-field{padding-block:0}::-webkit-datetime-edit-millisecond-field{padding-block:0}::-webkit-datetime-edit-meridiem-field{padding-block:0}::-webkit-calendar-picker-indicator{line-height:1}:-moz-ui-invalid{box-shadow:none}button,input:where([type=button],[type=reset],[type=submit]){-webkit-appearance:button;appearance:button}::file-selector-button{-webkit-appearance:button;appearance:button}::-webkit-inner-spin-button{height:auto}::-webkit-outer-spin-button{height:auto}[hidden]:where(:not([hidden=until-found])){display:none!important}}@layer components;@layer utilities{.sr-only{clip-path:inset(50%);white-space:nowrap;border-width:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.start{inset-inline-start:var(--spacing)}}:root{--ink:#102d35;--muted:#587078;--paper:#f7f5ef;--white:#fff;--blue:#087f9c;--blue-dark:#075e75;--blue-soft:#d9f0f4;--line:#cbdadd;--success:#147a57;--danger:#b54848}*{box-sizing:border-box}html{scroll-behavior:smooth}body{color:var(--ink);background:var(--paper);margin:0;font-family:Yu Gothic,YuGothic,Hiragino Kaku Gothic ProN,Meiryo,sans-serif;line-height:1.8}a{color:inherit}button,input{font:inherit}.sr-only{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.site-header{-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);z-index:20;background:#f7f5efe0;border-bottom:1px solid #102d351a;justify-content:space-between;align-items:center;height:72px;padding:0 clamp(22px,5vw,72px);display:flex;position:sticky;top:0}.brand{letter-spacing:.02em;align-items:center;gap:11px;font-weight:800;text-decoration:none;display:flex}.brand:focus-visible{outline-offset:4px;border-radius:8px;outline:3px solid #087f9c4d}.header-nav a:focus-visible{outline-offset:4px;border-radius:8px;outline:3px solid #087f9c4d}.text-link:focus-visible{outline-offset:4px;border-radius:8px;outline:3px solid #087f9c4d}.study-header-actions a:focus-visible{outline-offset:4px;border-radius:8px;outline:3px solid #087f9c4d}.brand-mark{color:#fff;background:var(--blue);border-radius:11px 11px 11px 3px;place-items:center;width:34px;height:34px;font-size:15px;display:grid}.header-nav{align-items:center;gap:22px;font-size:13px;font-weight:750;display:flex}.header-nav a{text-decoration:none}.header-login{border:1px solid var(--line);background:#fff;border-radius:10px;padding:8px 14px}.hero{grid-template-columns:minmax(0,1.15fr) minmax(320px,.85fr);align-items:center;gap:clamp(42px,7vw,110px);min-height:calc(100vh - 72px);padding:clamp(60px,9vw,120px) clamp(22px,7vw,110px);display:grid;overflow:hidden}.hero-copy{z-index:2;max-width:780px;position:relative}.eyebrow{color:var(--blue-dark);letter-spacing:.12em;text-transform:uppercase;margin:0 0 13px;font-size:12px;font-weight:800}.hero h1{letter-spacing:-.055em;margin:0;font-size:clamp(38px,5.4vw,74px);font-weight:850;line-height:1.18}.hero h1 span{color:var(--blue);display:block}.hero-lead{max-width:670px;color:var(--muted);margin:28px 0 0;font-size:clamp(16px,1.6vw,20px);line-height:1.9}.hero-actions{flex-wrap:wrap;align-items:center;gap:18px;margin-top:34px;display:flex}.button{cursor:pointer;border:0;border-radius:14px;justify-content:center;align-items:center;min-height:50px;padding:12px 24px;font-weight:800;text-decoration:none;transition:transform .18s,box-shadow .18s,opacity .18s;display:inline-flex}.button:hover:not(:disabled){transform:translateY(-2px)}.button:focus-visible{outline-offset:3px;outline:3px solid #087f9c4d}.option:has(input:focus-visible){outline-offset:3px;outline:3px solid #087f9c4d}.button:disabled{cursor:not-allowed;opacity:.45}.button-primary{color:#fff;background:var(--ink);box-shadow:0 12px 32px #102d352e}.hero-note{color:var(--muted);font-size:13px;font-weight:700}.metrics{gap:clamp(24px,5vw,68px);margin:54px 0 0;display:flex}.metrics div{display:grid}.metrics dt{color:var(--blue-dark);font-size:27px;font-weight:850;line-height:1.2}.metrics dd{color:var(--muted);margin:4px 0 0;font-size:12px}.hero-visual{place-items:center;min-height:520px;display:grid;position:relative}.hero-visual:before{content:"";background:linear-gradient(145deg,#c7e8ee,#e5f5f5 70%);border-radius:54% 46% 58% 42%;width:430px;height:430px;position:absolute;transform:rotate(-9deg)}.water-ring{border:1px solid #087f9c3d;border-radius:50%;position:absolute}.water-ring-one{width:500px;height:500px}.water-ring-two{width:580px;height:580px}.visual-card{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffd6;border:1px solid #ffffffb3;border-radius:28px;gap:14px;width:min(340px,88%);padding:34px;display:grid;position:relative;box-shadow:0 28px 80px #075e752e}.visual-kicker{color:var(--blue);font-size:12px;font-weight:800}.visual-card strong{font-size:18px}.visual-line{background:var(--blue-soft);width:2px;height:28px;margin-left:9px;position:relative}.visual-line:after{content:"";background:var(--blue);border-radius:50%;width:8px;height:8px;position:absolute;bottom:-2px;left:-3px}.sample-section{background:#edf4f3;padding:clamp(74px,10vw,130px) clamp(20px,7vw,110px)}.section-heading{max-width:840px;margin:0 auto 38px}.section-heading h2{letter-spacing:-.035em;margin:0;font-size:clamp(30px,4vw,48px);line-height:1.3}.section-heading>p:last-child{color:var(--muted)}.question-card{background:var(--white);border:1px solid var(--line);border-radius:26px;max-width:840px;margin:0 auto;padding:clamp(24px,5vw,52px);box-shadow:0 18px 55px #102d3517}.question-meta{flex-wrap:wrap;gap:10px;margin-bottom:14px;display:flex}.question-meta span{color:var(--blue-dark);background:var(--blue-soft);border-radius:999px;padding:4px 10px;font-size:12px;font-weight:800}.question-card h3{margin:0 0 20px;font-size:clamp(23px,3vw,32px);line-height:1.4}.rich-text p{margin:0 0 1em}.rich-text strong{color:var(--blue-dark)}.rich-text pre{background:#f3f6f6;border-radius:12px;padding:18px;line-height:1.7;overflow-x:auto}.rich-text code{font-family:Yu Gothic,Meiryo,monospace}.table-scroll{margin:18px 0;overflow-x:auto}.rich-text table{border-collapse:collapse;width:100%;min-width:560px;font-size:14px}.rich-text th,.rich-text td{border:1px solid var(--line);text-align:left;vertical-align:top;padding:12px 14px}.rich-text th{background:#edf4f3}.options{border:0;gap:12px;margin:28px 0;padding:0;display:grid}.option{border:1px solid var(--line);cursor:pointer;border-radius:14px;grid-template-columns:34px 1fr;align-items:center;gap:13px;min-height:58px;padding:12px 16px;transition:border-color .16s,background .16s;display:grid}.option:hover,.option.selected{border-color:var(--blue);background:#f0f9fa}.option.correct{border-color:var(--success);background:#edf8f3}.option.wrong{border-color:var(--danger);background:#fff1f1}.option input{opacity:0;pointer-events:none;position:absolute}.option-number{background:#eaf0f0;border-radius:9px;place-items:center;width:30px;height:30px;font-weight:850;display:grid}.selected .option-number{color:#fff;background:var(--blue)}.correct .option-number{color:#fff;background:var(--success)}.wrong .option-number{color:#fff;background:var(--danger)}.button-answer{color:#fff;background:var(--blue);width:100%;box-shadow:0 10px 24px #087f9c2e}.answer-panel{border-left:4px solid var(--blue);background:#f4f8f7;border-radius:4px 16px 16px 4px;margin-top:24px;padding:clamp(20px,4vw,34px)}.answer-result{color:var(--blue-dark);margin:0 0 18px;font-size:21px;font-weight:850}.sample-more{justify-content:center;max-width:840px;margin:28px auto 0;display:flex}.feature-section{padding:clamp(74px,10vw,130px) clamp(20px,7vw,110px)}.feature-grid{grid-template-columns:repeat(3,1fr);gap:18px;max-width:1100px;margin:0 auto;display:grid}.feature-grid article{border:1px solid var(--line);background:#fff;border-radius:20px;padding:30px}.feature-grid article>span{color:var(--blue);font-size:12px;font-weight:850}.feature-grid h3{margin:8px 0;font-size:21px}.feature-grid p{color:var(--muted);margin:0;font-size:14px}.access-panel{background:var(--ink);color:#fff;border-radius:22px;justify-content:space-between;align-items:center;gap:24px;max-width:1100px;margin:26px auto 0;padding:30px;display:flex}.access-panel .eyebrow{color:#8bd2df}.access-panel h3{margin:0;font-size:21px}.access-panel .button{color:var(--ink);background:#fff}.site-footer{color:#fff;background:#0c252c;justify-content:space-between;gap:28px;padding:36px clamp(22px,7vw,110px);display:flex}.site-footer p{color:#adc1c6;margin:0;font-size:12px}.login-shell{background:radial-gradient(circle at 80% 15%, #d7eef1, transparent 34%), var(--paper);place-items:center;min-height:100vh;padding:34px 20px;display:grid;position:relative}.login-brand{position:absolute;top:30px;left:clamp(22px,5vw,70px)}.login-card{border:1px solid var(--line);background:#fff;border-radius:24px;width:min(480px,100%);padding:clamp(30px,6vw,52px);box-shadow:0 24px 70px #102d351f}.login-card h1{letter-spacing:-.04em;margin:0;font-size:clamp(30px,5vw,42px);line-height:1.3}.login-card>p:not(.eyebrow){color:var(--muted)}.login-form{gap:12px;margin:28px 0 18px;display:grid}.login-form label{font-size:13px;font-weight:800}.login-form input,.filter-label select{width:100%;min-height:50px;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:11px;padding:10px 13px}.login-form input:focus,.filter-label select:focus{border-color:var(--blue);outline:3px solid #087f9c2e}.form-error{color:var(--danger);margin:0;font-size:13px}.text-link{color:var(--blue-dark);font-size:13px;font-weight:800}.study-shell{background:#eef3f2;min-height:100vh}.study-header{border-bottom:1px solid var(--line);z-index:20;background:#fff;justify-content:space-between;align-items:center;height:68px;padding:0 clamp(18px,4vw,54px);display:flex;position:sticky;top:0}.study-header-actions a{color:var(--muted);font-size:13px;font-weight:800}.study-layout{grid-template-columns:270px minmax(0,1fr);gap:28px;max-width:1320px;margin:0 auto;padding:28px;display:grid}.study-sidebar{border:1px solid var(--line);background:#fff;border-radius:18px;gap:20px;height:fit-content;padding:22px;display:grid;position:sticky;top:96px}.progress-summary{border-bottom:1px solid var(--line);padding-bottom:18px;display:grid}.progress-summary>span{color:var(--muted);font-size:12px;font-weight:800}.progress-summary strong{color:var(--blue-dark);margin:4px 0;font-size:27px}.progress-summary small{color:var(--muted)}.filter-label{color:var(--muted);gap:7px;font-size:12px;font-weight:800;display:grid}.random-button{min-height:44px;color:var(--blue-dark);cursor:pointer;background:#e7f3f4;border:0;border-radius:11px;font-weight:800}.storage-note{color:var(--muted);margin:0;font-size:11px;line-height:1.6}.study-main{min-width:0}.study-position{color:var(--muted);align-items:center;gap:14px;margin:0 0 12px;font-size:12px;font-weight:800;display:flex}.position-bar{background:#d8e3e3;border-radius:999px;flex:1;height:5px;overflow:hidden}.position-bar i{background:var(--blue);border-radius:inherit;height:100%;transition:width .2s;display:block}.study-question{max-width:none;margin:0}.study-question h1{margin:0 0 20px;font-size:clamp(25px,3vw,34px);line-height:1.4}.review-chip{color:#8b5b07!important;background:#fff0cd!important}.question-nav{grid-template-columns:1fr 1fr;gap:12px;margin-top:14px;display:grid}.question-nav button{min-height:48px;color:var(--ink);border:1px solid var(--line);cursor:pointer;background:#fff;border-radius:12px;font-weight:800}.question-nav button:disabled{opacity:.4;cursor:not-allowed}.sample-purchase{background:#dceff1;border-radius:16px;justify-content:space-between;align-items:center;gap:20px;margin-top:24px;padding:24px;display:flex}.sample-purchase p{margin:0}.empty-state{text-align:center;background:#fff;border-radius:18px;padding:60px 24px}.portal-page{background:var(--paper);min-height:100vh}.portal-header-note{color:var(--muted);font-size:12px;font-weight:750}.portal-hero{background:radial-gradient(circle at 83% 25%,#69c4d340,#0000 28%),linear-gradient(145deg,#fbf8ef 10%,#eef6f5 100%);grid-template-columns:minmax(0,1fr) minmax(260px,420px);align-items:center;gap:60px;min-height:400px;padding:clamp(48px,7vw,88px) clamp(24px,8vw,130px);display:grid;overflow:hidden}.portal-hero h1{letter-spacing:-.055em;max-width:800px;margin:0;font-size:clamp(46px,7vw,84px);line-height:1.15}.portal-hero p:last-child{max-width:670px;color:var(--muted);font-size:16px;line-height:2}.portal-symbol{aspect-ratio:1;justify-self:center;place-items:center;width:min(360px,80vw);display:grid;position:relative}.portal-symbol:before,.portal-symbol:after,.portal-symbol i{content:"";border:1px solid #087f9c3b;border-radius:50%;position:absolute}.portal-symbol:before{inset:0}.portal-symbol:after{inset:34px}.portal-symbol i{background:#ffffff9e;inset:68px}.portal-symbol span{z-index:1;color:var(--blue-dark);letter-spacing:-.08em;font-size:96px;font-weight:900;position:relative}.qualification-section{padding:clamp(52px,7vw,88px) clamp(24px,8vw,130px)}.portal-heading{max-width:1160px}.qualification-grid{grid-template-columns:repeat(2,1fr);gap:22px;max-width:1160px;margin:0 auto;display:grid}.qualification-card{min-height:310px;color:var(--ink);border:1px solid var(--line);background:#fff;border-radius:26px;flex-direction:column;padding:clamp(28px,4vw,46px);transition:transform .18s,border-color .18s,box-shadow .18s;display:flex;box-shadow:0 18px 55px #102d3512}a.qualification-card:hover{border-color:var(--blue);transform:translateY(-4px);box-shadow:0 25px 65px #102d351f}a.qualification-card:focus-visible{outline-offset:5px;border-color:var(--blue);outline:4px solid #087f9c47}.qualification-card-top{justify-content:space-between;align-items:center;min-height:30px;display:flex}.qualification-status{color:var(--blue-dark);background:var(--blue-soft);border-radius:999px;padding:5px 11px;font-size:11px;font-weight:850}.qualification-arrow{color:var(--blue-dark);letter-spacing:.02em;font-size:12px;font-weight:850}.qualification-card>p{color:var(--muted);margin:36px 0 4px;font-size:14px;font-weight:750}.qualification-card h3{letter-spacing:-.04em;margin:0;font-size:clamp(32px,4vw,48px)}.qualification-card dl{gap:38px;margin:auto 0 0;display:flex}.qualification-card dl div{display:grid}.qualification-card dt{color:var(--blue-dark);font-size:25px;font-weight:900}.qualification-card dd{color:var(--muted);margin:0;font-size:11px}.qualification-coming{box-shadow:none;background:0 0;border-style:dashed}.qualification-coming>span:last-child{max-width:360px;color:var(--muted);margin-top:20px;line-height:1.8}@media (max-width:860px){.hero{grid-template-columns:1fr;min-height:auto}.hero-visual{min-height:380px}.water-ring-one{width:390px;height:390px}.water-ring-two{width:450px;height:450px}.feature-grid{grid-template-columns:1fr}.study-layout{grid-template-columns:1fr;padding:18px}.study-sidebar{grid-template-columns:1fr 1fr;position:static}.progress-summary,.storage-note{grid-column:1/-1}.portal-hero{grid-template-columns:1fr}.portal-symbol{width:280px}.qualification-grid{grid-template-columns:1fr}}@media (max-width:560px){.site-header{height:64px}.header-nav a:first-child{display:none}.header-nav{gap:8px}.hero{padding-top:54px}.hero h1{font-size:38px}.metrics{justify-content:space-between;gap:12px}.metrics dt{font-size:23px}.hero-visual{min-height:320px}.hero-visual:before{width:300px;height:300px}.water-ring-one{width:330px;height:330px}.water-ring-two{width:380px;height:380px}.visual-card{padding:27px}.question-card{border-radius:20px}.access-panel,.site-footer,.sample-purchase{flex-direction:column;align-items:flex-start}.login-shell{padding-top:100px}.study-header .brand>span:last-child{display:none}.study-sidebar{grid-template-columns:1fr}.progress-summary,.storage-note{grid-column:auto}.study-layout{padding:12px}.study-question{padding:22px 18px}.portal-header-note{display:none}.portal-hero{gap:24px;min-height:auto;padding-top:52px}.portal-symbol{width:160px}.qualification-card{min-height:270px}.study-main{order:1}.study-sidebar{order:2}}@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
