@import "https://fonts.googleapis.com/css2?family=Noto+Sans+JP:wght@400;500;600;700;800&display=swap";:root{color:#071d45;font-synthesis:none;text-rendering:optimizelegibility;--navy:#06285c;--yellow:#ffcd16;--yellow-soft:#fff3ae;--blue:#1469e8;--ink:#071d45;--muted:#5f6d82;--line:#d7dde7;--surface:#f5f7fa;--white:#fff;background:#fff;font-family:Noto Sans JP,Hiragino Sans,Yu Gothic UI,sans-serif}*{box-sizing:border-box}html{scroll-behavior:smooth}body{-webkit-font-smoothing:antialiased;background:#fff;min-width:320px;min-height:100vh;margin:0}button,input,select{color:inherit;font:inherit}button,select,input[type=range]{cursor:pointer}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline-offset:2px;outline:3px solid #1469e859}.app-header{z-index:10;border-bottom:1px solid var(--line);background:#fffffff5;justify-content:space-between;align-items:center;min-height:74px;padding:0 3.2vw;display:flex;position:relative}.brand{color:var(--navy);letter-spacing:.02em;align-items:center;gap:12px;font-size:21px;font-weight:800;text-decoration:none;display:inline-flex}.brand-mark{border:2px solid var(--navy);border-radius:11px;place-items:center;width:38px;height:38px;display:grid}.help-button{background:0 0;border:0;align-items:center;gap:7px;padding:8px 4px;font-weight:700;display:inline-flex}.app-shell{grid-template-columns:minmax(0,1.65fr) minmax(360px,.9fr);align-items:start;gap:clamp(40px,5vw,74px);width:min(1370px,100% - 64px);margin:0 auto;padding:48px 0 56px;display:grid}.calculator-column{min-width:0}.title-block h1{color:var(--ink);letter-spacing:.015em;margin:0;font-size:clamp(32px,3vw,48px);font-weight:800;line-height:1.2}.title-block p{color:var(--muted);margin:12px 0 28px;font-size:15px}.mode-switch,.class-switch{border:1px solid #bfc8d5;border-radius:8px;display:grid;overflow:hidden}.mode-switch{grid-template-columns:1fr 1fr}.class-switch{grid-template-columns:repeat(3,1fr)}.segment-button{background:var(--white);border:0;border-right:1px solid #c8d0dc;justify-content:center;align-items:center;gap:9px;min-height:58px;padding:12px 18px;font-weight:700;transition:color .16s,background .16s,box-shadow .16s;display:inline-flex}.segment-button:last-child{border-right:0}.mode-switch .segment-button.is-active{color:var(--white);background:var(--navy)}.class-switch .segment-button.is-active{z-index:1;background:var(--yellow-soft);box-shadow:inset 0 0 0 2px var(--navy);position:relative}.segment-button:hover:not(.is-active){background:#f7f9fc}.mode-note{color:var(--muted);margin:10px 0 30px;font-size:13px}.form-section{border-bottom:1px solid var(--line);padding:24px 0}.field-title{align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:700;display:flex}.info-dot{width:23px;height:23px;color:var(--blue);border:1px solid var(--blue);border-radius:50%;place-items:center;display:inline-grid}.field-caption{color:var(--muted);margin:10px 0 0;font-size:12px}.field-heading{justify-content:space-between;align-items:flex-end;gap:24px;display:flex}.field-heading .field-title{margin-bottom:0}.number-control{background:var(--white);border:1px solid #bcc6d4;border-radius:8px;align-items:center;gap:8px;min-height:50px;padding:0 14px;display:inline-flex}.number-control input{text-align:right;background:0 0;border:0;width:76px;font-size:24px;font-weight:600}.number-control input:focus{outline:0}.number-control select{background:0 0;border:0;font-weight:600}.duration-control input{width:58px}.range-input{appearance:none;background:linear-gradient(to right, var(--yellow) 0 var(--range-progress), #e0e4e9 var(--range-progress) 100%);width:100%;height:5px;accent-color:var(--yellow);border-radius:10px;margin:27px 0 0}.range-input::-webkit-slider-thumb{appearance:none;border:3px solid var(--white);background:var(--yellow);border-radius:50%;width:24px;height:24px;box-shadow:0 0 0 1px #06285c24}.range-input::-moz-range-thumb{border:3px solid var(--white);background:var(--yellow);border-radius:50%;width:20px;height:20px}.range-labels{color:var(--muted);justify-content:space-between;margin-top:10px;font-size:12px;display:flex}.quick-buttons{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.quick-buttons button{background:var(--white);color:#41506a;border:1px solid #c7cfda;border-radius:999px;padding:7px 13px;font-size:12px;font-weight:600}.quick-buttons button.is-active{border-color:var(--navy);color:var(--navy);background:var(--yellow-soft)}.inline-guidance{color:var(--blue);align-items:center;gap:8px;margin-top:18px;font-size:13px;font-weight:600;display:flex}.compact-section{grid-template-columns:1fr minmax(230px,280px);align-items:center;gap:8px 30px;display:grid}.compact-section .field-title{margin:0}.plan-select,.details-content select{background-color:var(--white);border:1px solid #bcc6d4;border-radius:8px;min-height:50px;padding:0 42px 0 14px;font-weight:600}.plan-caption{grid-column:2;margin-top:-2px}.option-section{padding:20px 0}.toggle-row{justify-content:space-between;align-items:center;gap:24px;display:flex}.toggle-row>span:first-child{flex-direction:column;gap:5px;display:flex}.toggle-row strong{font-size:16px}.toggle-row small{color:var(--muted);font-size:12px}.toggle{flex:none;width:52px;height:30px;display:inline-flex;position:relative}.toggle input{opacity:0;width:1px;height:1px;position:absolute}.toggle>span{background:#cbd2dc;border-radius:999px;width:100%;transition:background .16s}.toggle>span:after{background:var(--white);content:"";border-radius:50%;width:22px;height:22px;transition:transform .16s;position:absolute;top:4px;left:4px;box-shadow:0 1px 4px #00000038}.toggle.is-on>span{background:var(--yellow)}.toggle.is-on>span:after{transform:translate(22px)}.details-section{border-bottom:1px solid var(--line)}.details-trigger{background:0 0;border:0;justify-content:space-between;align-items:center;width:100%;padding:20px 0;font-weight:700;display:flex}.details-trigger>span{align-items:center;gap:9px;display:inline-flex}.details-section.is-open .details-trigger>svg{transform:rotate(180deg)}.details-content{padding:2px 0 24px}.detail-grid{grid-template-columns:1fr 1fr;gap:18px;margin-bottom:20px;display:grid}.detail-grid label{color:var(--muted);flex-direction:column;gap:8px;font-size:12px;font-weight:600;display:flex}.number-control.full-width{justify-content:space-between;width:100%}.number-control.full-width input{text-align:left;width:100%}.reset-button,.primary-button{border:2px solid var(--navy);background:var(--white);min-height:48px;color:var(--navy);border-radius:8px;justify-content:center;align-items:center;gap:9px;padding:0 20px;font-weight:700;display:inline-flex}.reset-button{margin-top:26px}.reset-button:hover{background:#f1f5fa}.result-card{color:var(--white);background:var(--navy);border-radius:18px;padding:clamp(28px,3vw,42px);position:sticky;top:24px;overflow:hidden;box-shadow:0 22px 50px #041c4329}.result-card-header{align-items:center;gap:10px;display:flex}.result-card h2{margin:0;font-size:22px}.total-label{color:#d9e1ee;margin-top:25px;font-size:13px;display:block}.total-price{color:var(--yellow);align-items:baseline;gap:9px;margin:2px 0 24px;display:flex}.total-price strong{letter-spacing:-.045em;font-size:clamp(54px,6vw,82px);font-weight:700;line-height:1.15}.total-price span{font-size:25px;font-weight:700}.result-breakdown{border-top:1px solid #fff6;border-bottom:1px solid #ffffff3d;padding:18px 0}.result-row{justify-content:space-between;align-items:flex-start;gap:22px;padding:9px 0;display:flex}.result-row>div{flex-direction:column;gap:3px;min-width:0;display:flex}.result-row 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.primary-button{width:100%;color:var(--white);background:var(--navy);margin-top:12px}.modal-close{background:var(--surface);border:0;border-radius:50%;place-items:center;width:38px;height:38px;display:grid;position:absolute;top:16px;right:16px}@media (width<=1050px){.app-shell{grid-template-columns:1fr;width:min(820px,100% - 40px)}.result-card{grid-row:1;position:relative;top:auto}.calculator-column{grid-row:2}}@media (width<=680px){.app-header{min-height:64px;padding:0 18px}.brand{gap:8px;font-size:16px}.brand-mark{width:33px;height:33px}.help-button span{display:none}.app-shell{gap:28px;width:calc(100% - 28px);padding:24px 0 40px}.result-card{border-radius:14px;padding:25px 22px}.total-price strong{font-size:56px}.title-block h1{font-size:31px}.mode-switch .segment-button{min-height:52px}.class-switch{grid-template-columns:1fr}.class-switch .segment-button{border-bottom:1px solid #c8d0dc;border-right:0;min-height:52px}.class-switch .segment-button:last-child{border-bottom:0}.field-heading{flex-direction:column;align-items:flex-start;gap:14px}.number-control{justify-content:flex-end;width:100%}.compact-section{grid-template-columns:1fr}.plan-caption{grid-column:1}.detail-grid{grid-template-columns:1fr}.toggle-row{align-items:flex-start}footer{flex-direction:column;align-items:center;gap:8px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important}}