@charset "UTF-8";
:root{--paper:#f6f3ea;--ink:#223a30;--pine:#254b3b;--quiet:#626b60;--line:#d5d8ca;--lime:#dbe5aa;--white:#fffdf7;--red:#a54c37;--serif:"Songti SC","Noto Serif CJK SC","STSong",serif;--sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:100px}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.8;-webkit-font-smoothing:antialiased}a{color:inherit;text-underline-offset:5px}button,input{font:inherit}a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #ad713c;outline-offset:5px}::selection{background:var(--lime)}.wrap{width:min(1200px,calc(100% - 80px));margin:0 auto}.skip{position:absolute;top:-100px;left:20px;z-index:10;background:var(--ink);color:white;padding:10px 20px}.skip:focus{top:10px}.site-header{border-bottom:1px solid var(--line)}.header-inner{min-height:100px;display:flex;align-items:center;justify-content:space-between;gap:30px}.brand{display:flex;align-items:center;gap:13px;text-decoration:none;flex-shrink:0}.brand-mark{width:39px;height:44px;display:grid;place-items:center;background:var(--pine);color:var(--paper);font:28px/1 var(--serif);border-radius:10px 10px 10px 2px}.brand-name{font-size:20px;font-weight:600;letter-spacing:3px}.brand-en{display:block;font-size:9px;letter-spacing:3px;font-weight:400;line-height:1.1}.nav{display:flex;align-items:center;gap:34px;font-size:14px}.nav a{text-decoration:none}.nav a:hover,.nav a[aria-current=page]{text-decoration:underline}.nav .nav-help{border:1px solid var(--ink);padding:7px 20px;border-radius:30px}.eyebrow{font-size:11px;letter-spacing:3px;text-transform:uppercase;margin:0 0 28px;display:flex;align-items:center;gap:12px}.eyebrow:before{content:"";width:24px;height:1px;background:currentColor}.hero{padding:77px 0 73px;display:grid;grid-template-columns:1.12fr 1fr;gap:60px;align-items:center}.hero h1{font-family:var(--serif);font-size:clamp(44px,4.8vw,67px);font-weight:500;letter-spacing:2px;line-height:1.48;margin:0 0 25px}.hero h1 em{font-style:normal;color:#6b7950}.hero-copy>p:not(.eyebrow){max-width:405px;font-size:16px;color:var(--quiet);line-height:2}.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-top:34px}.button{display:inline-flex;align-items:center;justify-content:center;gap:30px;background:var(--pine);color:white;border:1px solid var(--pine);padding:13px 25px;border-radius:5px;text-decoration:none;font-size:14px;cursor:pointer}.button:hover{background:#163b2c}.button-light{background:transparent;color:var(--pine)}.button-light:hover{background:#e8ecde}.release-status{font-size:12px;color:var(--quiet);max-width:170px;line-height:1.7}.hero-art{background:#e5e9dc;min-height:504px;border-radius:150px 150px 8px 8px;position:relative;display:flex;align-items:center;justify-content:center;padding:44px 32px 60px;isolation:isolate}.hero-art:before{content:"";position:absolute;width:330px;height:330px;border:1px solid #bfcbb9;border-radius:50%;inset:60px auto auto;z-index:-1}.receipt{width:310px;max-width:100%;background:var(--white);padding:29px 27px 31px;box-shadow:0 16px 30px #163b2c10;transform:rotate(-3deg);position:relative;border-radius:3px}.receipt:after{content:"";height:8px;position:absolute;bottom:-7px;left:0;right:0;background:linear-gradient(135deg,var(--white) 5px,transparent 0) 0 0 / 10px 10px,linear-gradient(225deg,var(--white) 5px,transparent 0) 0 0 / 10px 10px}.receipt-head{display:flex;justify-content:space-between;align-items:center;border-bottom:1px dashed #b7c1ad;padding-bottom:17px;font-size:12px}.receipt-head strong{font-family:var(--serif);font-size:21px;font-weight:500}.receipt-label{font-size:12px;margin:20px 0 3px;color:var(--quiet)}.receipt-amount{font-family:var(--serif);font-size:52px;line-height:1.3;letter-spacing:-1px;margin:0}.receipt-amount small{font-size:22px;margin-right:6px}.receipt-note{font-size:11px;color:var(--quiet);margin:7px 0 20px}.receipt-row{display:flex;justify-content:space-between;gap:16px;border-top:1px solid #e8e9de;padding:10px 0;font-size:12px}.receipt-tag{font-size:11px;background:#eaf0d7;border-radius:12px;padding:1px 10px;color:#4f643a}.receipt-bottom{font-size:11px;border-top:1px dashed #b7c1ad;padding-top:16px;margin-top:8px;text-align:center;letter-spacing:3px}.art-caption{position:absolute;bottom:18px;font-size:10px;letter-spacing:1px;color:var(--quiet)}.little-note{position:absolute;right:-16px;bottom:69px;background:var(--lime);border-radius:50%;width:119px;height:119px;display:grid;align-content:center;text-align:center;font-family:var(--serif);font-size:18px;line-height:1.5;transform:rotate(9deg)}.principles{display:flex;border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:18px 0;justify-content:space-between;gap:25px;color:var(--quiet);font-size:12px;letter-spacing:1px}.principles span:before{content:"＋";color:var(--pine);margin-right:12px}.section{padding:100px 0}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;margin-bottom:47px}.section-heading h2,.calculator h2{font:500 clamp(30px,3.2vw,42px)/1.6 var(--serif);margin:0;letter-spacing:1px}.section-heading p{font-size:14px;color:var(--quiet);max-width:300px;margin:0}.feature-list{border-top:1px solid var(--line)}.feature{display:grid;grid-template-columns:70px 0.8fr 1.2fr;gap:26px;padding:32px 0;border-bottom:1px solid var(--line);align-items:baseline}.feature-number{color:#849076;font-family:var(--serif);font-size:25px}.feature h3{font-size:19px;font-weight:500;margin:0}.feature p{margin:0;font-size:14px;line-height:1.9;color:var(--quiet)}.tags{display:inline-flex;gap:6px;vertical-align:middle;margin-left:6px}.tag{font-size:11px;background:#e3e8d5;color:#526642;border-radius:15px;padding:1px 10px}.tag:nth-child(2){background:#e9e3d3;color:#716647}.tag:nth-child(3){background:#f0ddd5;color:#905c49}.calculator-section{background:var(--pine);color:var(--paper)}.calculator{display:grid;grid-template-columns:1fr 1fr;gap:90px;padding:72px 0}.calculator .eyebrow{color:var(--lime)}.calculator-copy>p:not(.eyebrow){font-size:14px;opacity:.78;max-width:380px}.formula{padding-top:23px;font-size:12px;opacity:.75;letter-spacing:1px}.calc-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px 24px}.calc-field label{font-size:12px;display:block;color:#d9e1d5}.calc-field input{width:100%;border:0;border-bottom:1px solid #829586;background:transparent;color:var(--white);font-family:var(--serif);font-size:28px;padding:6px 0;border-radius:0}.calc-field input:focus-visible{outline-color:var(--lime)}.calc-field-wide{grid-column:1/-1}.calc-output{display:flex;align-items:baseline;justify-content:space-between;padding:20px 0 8px;border-bottom:1px solid #829586;gap:20px}.calc-output span{font-size:12px}.calc-output output{font-family:var(--serif);font-size:46px;line-height:1.3;color:var(--lime)}.calc-hint{font-size:11px;color:#d9e1d5;margin:9px 0 0}.privacy-section{display:grid;grid-template-columns:.7fr 1.3fr;gap:70px}.privacy-number{font-family:var(--serif);font-size:150px;line-height:1;margin:0;color:#9eab8d}.privacy-number span{display:block;font-family:var(--sans);font-size:12px;letter-spacing:2px;margin-top:20px;color:var(--quiet)}.privacy-copy h2{font:500 36px/1.6 var(--serif);margin:0 0 20px}.privacy-copy p{font-size:14px;color:var(--quiet)}.text-link{font-size:14px;display:inline-block;margin-top:16px}.help-band{display:flex;align-items:center;justify-content:space-between;padding:37px 0;gap:30px;border-top:1px solid var(--line)}.help-band h2{font:500 26px/1.5 var(--serif);margin:0 0 4px}.help-band p{font-size:12px;color:var(--quiet);margin:0}.site-footer{background:#e9ecdf;padding:27px 0;font-size:11px;color:var(--quiet)}.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:25px}.footer-links{display:flex;gap:28px}.footer-links a{text-decoration:none}.footer-links a:hover{text-decoration:underline}.document{padding:65px 0 90px;max-width:850px}.document h1{font:500 44px/1.5 var(--serif);margin:0 0 17px}.document .intro{font-size:17px;color:var(--quiet);margin:0 0 35px}.document .updated{font-size:12px;color:var(--quiet);margin-top:0}.document h2{font:500 25px/1.5 var(--serif);margin:41px 0 16px}.document h3{font-size:17px;margin:28px 0 12px}.document p,.document li{font-size:14px;line-height:2}.document ul,.document ol{padding-left:24px}.document li{margin-bottom:8px}.notice{background:#e8ecdd;border-left:3px solid #6d8456;padding:18px 23px;margin:28px 0;font-size:14px}.document details{border-bottom:1px solid var(--line);padding:20px 0}.document details:first-of-type{border-top:1px solid var(--line)}.document summary{font-size:17px;cursor:pointer;font-weight:500;padding-right:16px}.document details p{margin-bottom:3px;color:var(--quiet)}.contents{display:flex;flex-wrap:wrap;gap:10px 25px;margin:24px 0 40px;font-size:13px}.support-link{overflow-wrap:anywhere}.document table{width:100%;border-collapse:collapse;font-size:13px}.document th,.document td{padding:14px 12px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}.document th{background:#e8ecdd;font-weight:500}.document code{font-size:12px;background:#e8ecdd;padding:3px 6px;border-radius:3px}.back-link{font-size:12px;text-decoration:none;display:inline-block;margin-bottom:27px}.back-link:hover{text-decoration:underline}.fade-in{animation:appear .8s ease both}.hero-art.fade-in{animation-delay:.12s}@keyframes appear{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}
@media(max-width:900px){.wrap{width:calc(100% - 48px)}.hero{gap:30px;padding-top:55px}.hero h1{font-size:45px}.hero-art{min-height:450px;padding:35px 22px 55px}.receipt{padding:22px}.little-note{right:-10px;bottom:64px;width:94px;height:94px;font-size:15px}.calculator{gap:45px}.feature{grid-template-columns:40px .8fr 1.2fr;gap:20px}.privacy-section{gap:40px}}
@media(max-width:650px){.wrap{width:calc(100% - 40px)}.header-inner{min-height:85px;gap:15px}.brand-name{font-size:17px;letter-spacing:2px}.brand-mark{width:33px;height:37px;font-size:24px}.brand-en{font-size:8px;letter-spacing:2px}.nav{gap:17px;font-size:12px}.nav .nav-help{padding:5px 13px}.nav-product{display:none}.hero{grid-template-columns:1fr;padding-top:42px;gap:40px;padding-bottom:36px}.hero h1{font-size:43px;line-height:1.5}.eyebrow{margin-bottom:22px;font-size:10px;letter-spacing:2px}.hero-copy>p:not(.eyebrow){font-size:14px;max-width:none}.hero-actions{margin-top:24px}.hero-art{min-height:440px;max-width:450px;width:100%;margin:0 auto}.little-note{right:5px}.principles{flex-wrap:wrap;gap:8px 15px;font-size:10px;justify-content:flex-start;padding:15px 0}.principles span:before{margin-right:5px}.section{padding:62px 0}.section-heading{display:block;margin-bottom:30px}.section-heading p{margin-top:15px;max-width:none}.section-heading h2,.calculator h2{font-size:30px}.feature{grid-template-columns:30px 1fr;gap:12px 17px;padding:23px 0}.feature h3{font-size:18px}.feature p{grid-column:2;font-size:13px}.feature-number{font-size:22px}.calculator{grid-template-columns:1fr;padding:49px 0;gap:30px}.formula{padding-top:10px}.calc-output output{font-size:43px}.privacy-section{grid-template-columns:1fr;gap:37px}.privacy-number{font-size:110px;display:flex;align-items:flex-end;gap:25px}.privacy-number span{line-height:1.9;margin-bottom:10px;max-width:160px}.privacy-copy h2{font-size:30px}.help-band{align-items:flex-start;flex-direction:column;gap:20px}.help-band .button{width:100%}.footer-inner{display:block}.footer-links{margin-top:15px;flex-wrap:wrap;gap:16px}.document{padding-top:40px;padding-bottom:60px}.document h1{font-size:36px}.document .intro{font-size:15px}.document h2{font-size:24px}.document th,.document td{padding:10px 7px}.document table{font-size:12px}.contents{gap:10px 20px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.fade-in{animation:none}}
