:root{font-family:"Noto Sans JP",-apple-system,BlinkMacSystemFont,"Yu Gothic",Meiryo,sans-serif;color:#202c2a;background:#f4f7f5;font-synthesis:none;text-rendering:optimizeLegibility;color-scheme:light;--ink:#202c2a;--muted:#687571;--line:#dce5e0;--paper:#fff;--green:#176b51;--mint:#dcefe7;--orange:#ba633a;--shadow:0 12px 32px rgba(24,53,42,.07)}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;line-height:1.65}.skip{position:absolute;left:-10000px;top:0;background:#fff;padding:10px;z-index:30}.skip:focus{left:8px}.wrap{width:min(1160px,calc(100% - 40px));margin-inline:auto}.topbar{height:70px;background:rgba(255,255,255,.94);border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 max(20px,calc((100% - 1160px)/2));gap:24px}.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;line-height:1.1}.brandMark{width:38px;height:38px;background:var(--green);color:white;display:grid;place-items:center;border-radius:8px;font-size:20px}.brandSub{display:block;color:var(--muted);font-size:11px;font-weight:500;margin-top:4px}.topbar nav{display:flex;align-items:center;gap:25px}.topbar nav a,.footer a{color:#43524d;text-decoration:none;font-size:13px}.topbar nav a:hover,.footer a:hover{color:var(--green);text-decoration:underline}.intro{padding:56px 0 32px;display:grid;grid-template-columns:1.4fr .8fr;gap:50px;align-items:end}.kicker{color:var(--green);font-size:11px;font-weight:800;letter-spacing:1px;margin:0 0 10px}.intro h1{font-size:clamp(32px,4vw,48px);line-height:1.35;letter-spacing:0;margin:0;max-width:680px}.introCopy>p:last-child{max-width:650px;color:var(--muted);margin:16px 0 0}.introNote{border-left:3px solid #7db79e;background:#eaf2ed;padding:18px 20px;display:flex;gap:13px;align-items:flex-start}.introNote p{font-size:13px;color:#485750;margin:0;line-height:1.8}.noteIcon{width:23px;height:23px;border:1px solid #7ba18f;border-radius:50%;display:grid;place-items:center;flex:none;color:var(--green);font-size:13px}.pageGrid{display:grid;grid-template-columns:minmax(0,1fr) 290px;align-items:start;gap:20px}.calculator,.sideCard,.results,.editorialAside{background:var(--paper);border:1px solid var(--line);border-radius:8px;box-shadow:var(--shadow)}.calculator{padding:26px}.sectionHead{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-bottom:20px}.sectionHead h2,.sectionHead h3{font-size:22px;line-height:1.35;margin:0;letter-spacing:0}.sectionHead .kicker{margin-bottom:4px}.textButton{border:0;background:transparent;color:var(--green);text-decoration:underline;text-underline-offset:3px;font-size:12px;padding:8px}.fieldGroup{border:0;padding:0;margin:0 0 22px}.fieldGroup legend{font-size:14px;font-weight:800;margin-bottom:11px}.methodChoices{display:grid;grid-template-columns:1fr 1fr;gap:10px}.methodChoice{position:relative;display:flex;align-items:center;gap:10px;border:1px solid var(--line);border-radius:6px;padding:13px;cursor:pointer;min-height:74px}.methodChoice:has(input:checked){border-color:var(--green);background:#f0f7f3;box-shadow:inset 0 0 0 1px var(--green)}.methodChoice input{accent-color:var(--green);width:17px;height:17px;flex:none}.methodChoice strong,.methodChoice small{display:block}.methodChoice strong{font-size:14px}.methodChoice small{font-size:11px;color:var(--muted);margin-top:3px}.formGrid{display:grid;grid-template-columns:1fr 1fr;gap:18px 15px;margin-bottom:20px}.control{display:grid;gap:7px;align-content:start;font-size:13px;font-weight:700}.control>span:first-child{color:#2f3d38}.control small{font-weight:400;color:var(--muted);font-size:11px;line-height:1.5}.withUnit{display:flex;min-width:0;align-items:center;background:#fff;border:1px solid #cbd7d1;border-radius:5px;height:47px}.withUnit:focus-within{outline:2px solid #a4cdb8;outline-offset:1px}.withUnit input{min-width:0;width:100%;height:100%;border:0;background:transparent;padding:0 11px;outline:0;color:var(--ink);font:inherit;font-size:17px;font-weight:600}.withUnit select,.withUnit b{height:100%;min-width:58px;border:0;border-left:1px solid var(--line);background:#f6f8f7;color:#43524d;padding:0 10px;display:grid;place-items:center;font-size:12px}.control>input[type=date],.control>select{height:47px;border:1px solid #cbd7d1;border-radius:5px;background:#fff;color:var(--ink);padding:0 10px;font:inherit;font-size:14px}.bonusGroup{padding:16px;border:1px solid var(--line);border-radius:6px;background:#fbfcfb}.bonusGroup legend{padding:0 5px;margin-left:-5px}.checkLine{display:flex;gap:9px;align-items:center;font-size:13px;font-weight:600;cursor:pointer}.checkLine input{width:17px;height:17px;accent-color:var(--green)}.bonusFields{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:15px}.monthSelect{display:flex;align-items:center;gap:6px}.monthSelect select{min-width:0;width:76px;height:44px;background:white;border:1px solid #cbd7d1;border-radius:5px;padding:0 7px}.monthSelect span{font-size:12px;color:var(--muted)}.advanced{border-bottom:1px solid var(--line);margin:10px 0 21px;padding:0 0 14px}.advanced summary{font-size:12px;color:#50605a;cursor:pointer;font-weight:700}.advanced .control{margin-top:13px}.primaryButton,.secondaryButton{height:48px;border-radius:5px;padding:0 17px;font-weight:800;font-size:14px;cursor:pointer}.primaryButton{width:100%;background:var(--green);color:#fff;border:1px solid var(--green)}.primaryButton:hover{background:#0f573f}.secondaryButton{background:#fff;color:var(--green);border:1px solid #a9c2b5}.formError{color:#a32c25;background:#fff2f0;border:1px solid #f0c9c4;padding:10px 12px;border-radius:5px;font-size:13px}.privacyHint{font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center;margin-top:14px}.privacyHint span{color:var(--green);font-size:17px}.sideRail{display:grid;gap:13px}.adPlaceholder{height:170px;background:#edf1ee;border:1px dashed #bac8c0;border-radius:6px;display:flex;flex-direction:column;align-items:center;justify-content:center;color:#798780}.adPlaceholder span{font-size:10px;border:1px solid #b9c4bd;padding:1px 6px;border-radius:2px}.adPlaceholder p{font-size:12px}.sideCard{padding:18px}.sideCard h2{font-size:14px;margin:0 0 11px}.sideCard ul{padding-left:19px;margin:0;color:#55635d;font-size:12px}.sideCard li+li{margin-top:7px}.sideCard p{font-size:12px;color:#58655f;margin:0 0 12px}.sideCard a,.editorialAside a{font-size:12px;color:var(--green);font-weight:700}.caution{background:#f8faf8;box-shadow:none}.results{margin-top:22px;padding:24px}.resultActions{display:flex;gap:8px;flex-wrap:wrap}.summaryGrid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.summaryCard{border:1px solid var(--line);border-radius:6px;padding:15px;background:#fafcfb}.summaryCard span{display:block;color:var(--muted);font-size:11px}.summaryCard strong{display:block;font-size:21px;margin-top:5px;line-height:1.3}.summaryCard small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.comparison{margin:22px 0;border:1px solid #d8e7df;border-radius:6px;background:#f5faf7;padding:17px}.compareIntro{display:flex;align-items:center;justify-content:space-between;gap:15px}.compareIntro h3{font-size:15px;margin:0}.compareIntro p{font-size:11px;color:var(--muted);margin:4px 0 0}.compareRate{font-size:11px;font-weight:700;display:grid;gap:5px}.compareRate span{display:flex;align-items:center;background:#fff;border:1px solid var(--line);height:36px}.compareRate input{width:90px;height:100%;border:0;padding:0 8px;font:inherit;font-size:14px}.compareRate b{font-size:11px;padding-right:9px}.compareResult{margin-top:11px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.compareMetric{background:#fff;border:1px solid var(--line);padding:10px;border-radius:5px}.compareMetric span{display:block;color:var(--muted);font-size:10px}.compareMetric strong{display:block;font-size:14px;margin-top:3px}.compareMetric small{font-size:10px;color:var(--green)}.scheduleSection{margin-top:24px}.scheduleSection .sectionHead{margin-bottom:11px}.scheduleSection h3{font-size:17px;margin:0}.scheduleSection p{font-size:11px;color:var(--muted);margin:4px 0 0}.filterControl{font-size:11px;color:var(--muted);display:flex;gap:8px;align-items:center}.filterControl select{height:34px;border:1px solid var(--line);border-radius:4px;background:#fff;padding:0 8px;color:var(--ink)}.tableWrap{overflow:auto;border:1px solid var(--line);border-radius:5px}table{width:100%;border-collapse:collapse;min-width:670px;font-size:12px}th,td{padding:10px 12px;border-bottom:1px solid #e8eeeb;text-align:right;white-space:nowrap}th{background:#f0f5f2;font-size:11px;color:#52615b}th:first-child,td:first-child{text-align:center}td:nth-child(2){text-align:left}tbody tr:last-child td{border-bottom:0}.tableFoot{margin-top:9px}.editorial{display:grid;grid-template-columns:1.25fr .75fr;gap:36px;padding-top:56px;padding-bottom:45px}.editorialMain h2{font-size:29px;line-height:1.45;margin:0 0 14px}.editorialMain>p:not(.kicker){max-width:700px;color:#56645e;font-size:14px;line-height:1.9}.articleLinks{margin-top:20px;border-top:1px solid var(--line)}.articleLinks a{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:14px 2px;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}.articleLinks a strong,.articleLinks a small{display:block}.articleLinks a strong{font-size:13px}.articleLinks a small{font-size:11px;color:var(--muted);margin-top:3px}.articleLinks a>b{color:var(--green);font-size:18px}.editorialAside{padding:20px;box-shadow:none}.editorialAside h3{margin:0;font-size:15px}.editorialAside ol{padding-left:20px;color:#53615b;font-size:12px;margin:12px 0 15px}.editorialAside li+li{margin-top:6px}.lowerNotice{display:flex;justify-content:space-between;align-items:center;gap:20px;background:#e8efeb;padding:16px 18px;margin-bottom:42px;border-radius:5px}.lowerNotice strong{font-size:12px}.lowerNotice p{font-size:11px;color:#58655f;margin:4px 0 0}.lowerNotice>a{white-space:nowrap;color:var(--green);font-weight:700;font-size:12px}.footer{border-top:1px solid var(--line);background:#fff;padding:28px 0 20px}.footerInner{display:grid;grid-template-columns:1fr 1.2fr;gap:16px;align-items:start}.footerBrand .brandMark{width:30px;height:30px;font-size:16px}.footerInner>div>p{font-size:11px;color:var(--muted);margin:8px 0 0}.footer nav{display:flex;justify-content:flex-end;gap:12px 17px;flex-wrap:wrap}.footer nav a{font-size:11px}.footerInner>small{grid-column:1/-1;color:#7c8782;font-size:10px;border-top:1px solid #edf0ee;padding-top:13px}.contentPage{padding:45px 0 65px}.contentPage .prose{max-width:780px;background:#fff;border:1px solid var(--line);border-radius:7px;padding:clamp(22px,5vw,48px);box-shadow:var(--shadow)}.contentPage h1{font-size:32px;line-height:1.35;margin:0 0 10px}.contentPage .lead{font-size:15px;color:#58655f;margin:0 0 28px}.contentPage h2{font-size:19px;margin:32px 0 10px}.contentPage h3{font-size:15px;margin:20px 0 8px}.contentPage p,.contentPage li{font-size:14px;color:#44534c;line-height:1.9}.contentPage a{color:var(--green)}.contentPage .updated{font-size:11px;color:#7b8781;margin-top:30px}.contentPage .noticeBox{padding:14px;background:#f3f7f4;border-left:3px solid var(--green);font-size:13px;color:#44534c}.contentPage table{min-width:0;text-align:left}.contentPage th,.contentPage td{text-align:left;white-space:normal}.breadcrumb{font-size:11px;color:var(--muted);margin-bottom:12px}.breadcrumb a{color:var(--green)}[hidden]{display:none!important}@media(max-width:850px){.intro{grid-template-columns:1fr;gap:20px;padding-top:38px}.introNote{max-width:none}.pageGrid{grid-template-columns:1fr}.sideRail{grid-template-columns:1fr 1fr}.adPlaceholder{height:auto;min-height:150px;grid-row:span 2}.editorial{gap:22px}.summaryGrid{grid-template-columns:1fr 1fr}}@media(max-width:600px){.wrap{width:min(100% - 28px,560px)}.topbar{height:60px;padding:0 14px}.topbar nav{gap:12px}.topbar nav a{font-size:11px}.brand{font-size:13px}.brandMark{width:33px;height:33px;font-size:17px}.brandSub{font-size:10px}.intro{padding:32px 0 22px;gap:17px}.intro h1{font-size:33px}.introCopy>p:last-child{font-size:13px}.introNote{padding:14px}.introNote p{font-size:12px}.calculator{padding:18px 15px}.sectionHead h2{font-size:19px}.methodChoices{gap:7px}.methodChoice{padding:10px 8px;gap:7px}.methodChoice strong{font-size:12px}.methodChoice small{font-size:10px;line-height:1.4}.formGrid{gap:15px 9px}.control{font-size:12px}.control small{font-size:10px}.withUnit{height:43px}.withUnit input{font-size:15px;padding:0 8px}.withUnit select,.withUnit b{min-width:48px;padding:0 7px}.bonusFields{grid-template-columns:1fr}.summaryGrid{gap:7px}.summaryCard{padding:12px}.summaryCard strong{font-size:17px}.summaryCard span{font-size:10px}.summaryCard small{font-size:9px}.results{padding:17px 13px}.sectionHead{align-items:flex-start}.resultActions{justify-content:flex-end}.resultActions .secondaryButton{font-size:11px;padding:0 9px;height:38px}.compareIntro{align-items:flex-start;flex-direction:column}.compareRate{display:flex;align-items:center}.compareResult{gap:5px}.compareMetric{padding:8px 6px}.compareMetric span,.compareMetric small{font-size:9px}.compareMetric strong{font-size:12px}.filterControl{font-size:10px}.scheduleSection .sectionHead{align-items:center}.tableWrap{margin-inline:-2px}.editorial{grid-template-columns:1fr;padding-top:38px;padding-bottom:28px}.editorialMain h2{font-size:25px}.editorialMain>p:not(.kicker){font-size:13px}.sideRail{grid-template-columns:1fr}.adPlaceholder{grid-row:auto;min-height:105px}.sideCard{padding:15px}.lowerNotice{align-items:flex-start;flex-direction:column;gap:9px;margin-bottom:28px;padding:14px}.lowerNotice>a{white-space:normal}.footerInner{grid-template-columns:1fr}.footer nav{justify-content:flex-start}.footerInner>small{grid-column:auto}.contentPage{padding:28px 0 42px}.contentPage h1{font-size:27px}.contentPage p,.contentPage li{font-size:13px}}@media print{.topbar,.intro,.sideRail,#repaymentForm,.privacyHint,.editorial,.lowerNotice,.footer,.resultActions,.comparison,.filterControl{display:none!important}.wrap{width:100%;margin:0}.results{display:block!important;border:0;box-shadow:none;padding:0}.tableWrap{overflow:visible}table{min-width:0;font-size:9px}th,td{padding:5px}.summaryGrid{grid-template-columns:repeat(4,1fr)}.summaryCard{padding:7px}.summaryCard strong{font-size:13px}}
:root{--print-ink:#111}.printOnly{display:none}.printMeta{font-size:10px;line-height:1.6;color:#222;border:1px solid #bbb;padding:9px;margin-top:10px}.formError[hidden],.bonusFields[hidden],.control[hidden]{display:none!important}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #77a98e;outline-offset:2px}@media print{.printOnly{display:block!important}.results{margin-top:0}.printMeta{display:block!important}.scheduleSection{break-before:page}.scheduleSection .tableWrap{overflow:visible}.scheduleSection table{min-width:0;width:100%;font-size:8px}.scheduleSection th,.scheduleSection td{padding:4px 5px}.scheduleSection tr{break-inside:avoid}.summaryGrid{break-inside:avoid}.scheduleSection .sectionHead{margin-bottom:4px}}