:root{
  --g:#1E7A5A;--g-dk:#155C43;--g-lt:#E8F3EE;--g-xlt:#F4F9F6;
  --ink:#16221D;--ink2:#46564F;--ink3:#56645E;--line:#DCE5E0;--bg:#FFFFFF;--soft:#F6F8F7;
  --warn:#9A4A00;--warn-bg:#FFF4E5;--bad:#A8261B;--bad-bg:#FDEDEB;
  --r:12px;--font:system-ui,-apple-system,"Segoe UI",Roboto,"Noto Sans","Noto Sans JP","Helvetica Neue",Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
.vh{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
html{-webkit-text-size-adjust:100%}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.65;font-size:16px}
img{max-width:100%;display:block}
a{color:var(--g-dk)}
a:hover{color:var(--g)}
h1,h2,h3{line-height:1.25;margin:0 0 .5em;letter-spacing:-.01em;text-wrap:balance}
p,li,summary{text-wrap:pretty}
p{margin:0 0 1em}
:focus-visible{outline:3px solid #7CC3A6;outline-offset:2px}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}
.skip{position:absolute;left:-999px}
.skip:focus{left:8px;top:8px;background:#fff;padding:8px;z-index:9}

/* nav */
.nav{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
.nav .wrap{display:flex;align-items:center;gap:12px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;min-height:44px;font-weight:700;font-size:1.15rem;color:var(--ink);text-decoration:none}
.brand img{width:34px;height:34px;border-radius:8px}
.nav-links{display:none;gap:22px;margin-left:24px}
.nav-links a{color:var(--ink2);text-decoration:none;font-size:.95rem;padding:10px 0}
.nav-links a:hover{color:var(--g)}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:6px}
.nav-right .login{color:var(--ink2);text-decoration:none;padding:10px 10px;font-size:.95rem}
@media (min-width:820px){.nav-links{display:flex}}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:46px;padding:10px 22px;border-radius:999px;border:1px solid var(--g);background:var(--g);color:#fff;font:inherit;font-weight:600;text-decoration:none;cursor:pointer;transition:background .15s}
.btn:hover{background:var(--g-dk);color:#fff}
.btn:disabled{opacity:.55;cursor:default}
.btn.sm{min-height:40px;padding:6px 16px;font-size:.92rem}
.btn.ghost{background:#fff;color:var(--g-dk)}
.btn.ghost:hover{background:var(--g-lt);color:var(--g-dk)}
.btn.danger{background:#fff;color:var(--bad);border-color:#E3B4AE}
.btn.danger:hover{background:var(--bad-bg)}
.btn.lg{min-height:54px;padding:12px 30px;font-size:1.05rem}
.linkbtn{background:none;border:0;padding:8px 4px;color:var(--g-dk);font:inherit;text-decoration:underline;cursor:pointer}

/* hero */
.hero{padding:56px 0 40px;background:linear-gradient(180deg,var(--g-xlt),#fff 70%)}
.hero .wrap{display:grid;gap:40px}
.eyebrow{display:inline-block;color:var(--g-dk);background:var(--g-lt);border-radius:999px;padding:4px 12px;font-size:.85rem;font-weight:600;margin-bottom:18px}
.hero h1{font-size:clamp(2rem,6.2vw,3.2rem);font-weight:800;margin-bottom:.4em}
.hero .sub{font-size:1.12rem;color:var(--ink2);max-width:34em}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:26px}
.nocard{color:var(--ink3);font-size:.92rem}
@media (min-width:980px){.hero .wrap{grid-template-columns:1fr 1.05fr;align-items:center}.hero{padding:80px 0 64px}}

/* product screen (front page) */
.screen{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 18px 50px -24px rgba(22,60,45,.35);overflow:hidden}
.screen-bar{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--line);background:var(--soft);font-size:.8rem;color:var(--ink3)}
.screen-bar i{width:9px;height:9px;border-radius:50%;background:#D5DDD9;display:inline-block}
.screen-bar span{margin-left:6px}
.screen-body{padding:16px}
.sample-tag{display:inline-block;font-size:.75rem;font-weight:600;color:var(--warn);background:var(--warn-bg);border-radius:6px;padding:2px 8px;margin-bottom:10px}
.pasted{font-family:var(--mono);font-size:.8rem;line-height:1.6;background:var(--soft);border:1px dashed #C9D5CF;border-radius:10px;padding:10px 12px;margin:0 0 14px;white-space:pre-wrap;color:var(--ink2)}
.screen h3{font-size:.95rem;margin:0 0 8px}

/* tables */
.tbl-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch;border:1px solid var(--line);border-radius:10px}
table{border-collapse:collapse;width:100%;font-size:.88rem}
th,td{padding:8px 10px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}
th{font-size:.76rem;text-transform:uppercase;letter-spacing:.04em;color:var(--ink3);font-weight:600;background:var(--soft)}
td.n,th.n{text-align:right;font-variant-numeric:tabular-nums}
tr.person td{font-weight:700;background:#fff;border-top:2px solid var(--line)}
tr.sub td{color:var(--ink2);font-size:.82rem;background:#FBFCFB}
tr.sub td:first-child{padding-left:22px}
tfoot td{font-weight:800;background:var(--g-lt);border-bottom:0}
tr.bad td{background:var(--bad-bg)}
.chip{display:inline-block;font-size:.75rem;font-weight:600;padding:2px 8px;border-radius:999px;background:var(--g-lt);color:var(--g-dk)}
.chip.warn{background:var(--warn-bg);color:var(--warn)}
.chip.bad{background:var(--bad-bg);color:var(--bad)}

/* flags */
.flags{list-style:none;margin:0 0 14px;padding:0;display:grid;gap:8px}
.flags li{padding:10px 12px 10px 38px;border-radius:10px;background:var(--warn-bg);color:#5B3200;font-size:.9rem;position:relative}
.flags li::before{content:"!";position:absolute;left:12px;top:10px;width:18px;height:18px;border-radius:50%;background:var(--warn);color:#fff;font-size:.75rem;font-weight:800;text-align:center;line-height:18px}
.flags li.bad{background:var(--bad-bg);color:#6E160E}
.flags li.bad::before{background:var(--bad)}

/* sections */
.sec{padding:52px 0}
@media (min-width:760px){.sec{padding:72px 0}}
.sec.alt{background:var(--soft)}
.sec h2{font-size:clamp(1.6rem,4.4vw,2.2rem);font-weight:800}
.lead{color:var(--ink2);font-size:1.08rem;max-width:40em;margin-bottom:36px}
.steps{list-style:none;padding:0;margin:0;display:grid;gap:18px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;counter-increment:s}
.steps li::before{content:counter(s);display:flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--g);color:#fff;font-weight:800;margin-bottom:14px}
.steps h3{font-size:1.1rem}
.steps p{color:var(--ink2);margin:0}
.grid2{display:grid;gap:18px}
.feat{border:1px solid var(--line);border-radius:var(--r);padding:24px;background:#fff}
.feat svg{width:40px;height:40px;margin-bottom:12px}
.feat h3{font-size:1.1rem}
.feat p{color:var(--ink2);margin:0}
.feat .src{display:block;font-size:.82rem;color:var(--ink3);margin-top:10px}
@media (min-width:760px){.steps{grid-template-columns:repeat(3,1fr)}.grid2{grid-template-columns:1fr 1fr}}
.note-box{background:#fff;border:1px solid var(--line);padding:18px 20px;border-radius:var(--r);margin-top:28px;color:var(--ink2)}
.note-box strong{color:var(--ink)}

/* price */
.price-card{max-width:460px;border:2px solid var(--g);border-radius:18px;padding:32px;background:#fff}
.price-card .amt{font-size:3rem;font-weight:800;line-height:1}
.price-card .amt small{font-size:1rem;font-weight:500;color:var(--ink3)}
.ticks{list-style:none;padding:0;margin:22px 0 26px;display:grid;gap:10px}
.ticks li{padding-left:30px;position:relative}
.ticks li::before{content:"";position:absolute;left:0;top:5px;width:18px;height:18px;border-radius:50%;background:var(--g-lt) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M5 10.5l3 3 7-7' fill='none' stroke='%231E7A5A' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/14px no-repeat}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:4px 0}
.faq summary{cursor:pointer;font-weight:600;padding:16px 28px 16px 0;list-style:none;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:4px;top:12px;font-size:1.4rem;color:var(--g)}
.faq details[open] summary::after{content:"–"}
.faq details p{color:var(--ink2);margin:0 0 16px}

.band{background:var(--g);color:#fff;padding:64px 0;text-align:center}
.band h2{color:#fff;font-size:clamp(1.6rem,4.4vw,2.2rem)}
.band p{color:#fff}
.band .btn{background:#fff;color:var(--g-dk);border-color:#fff}
.band .btn:hover{background:var(--g-lt)}

footer.foot{border-top:1px solid var(--line);padding:32px 0 40px;color:var(--ink3);font-size:.9rem}
footer.foot .wrap{display:flex;flex-wrap:wrap;gap:12px 24px;align-items:center;justify-content:space-between}
footer.foot a{color:var(--ink2)}
.syng-legal-links a{display:inline-block;padding:12px 6px;min-width:44px;text-align:center}
.form-foot a{display:inline-block;padding:12px 0}
.screen .tbl-wrap{border:0;border-radius:0;border-top:1px solid var(--line)}
.screen-title{font-weight:700;font-size:.95rem;margin:0 0 8px}

/* forms */
.auth{padding:56px 0 72px}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:24px}
.auth .card{max-width:420px;margin:0 auto}
.auth h1{font-size:1.7rem}
label{display:block;font-weight:600;font-size:.92rem;margin:14px 0 6px}
input,select,textarea{width:100%;font:inherit;font-size:16px;padding:11px 12px;border:1px solid #C5D1CB;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{border-color:var(--g);outline:2px solid #BFE0D2;outline-offset:0}
textarea{font-family:var(--mono);font-size:15px;line-height:1.6;min-height:180px;resize:vertical}
.hint{font-size:.85rem;color:var(--ink3);margin-top:6px}
.msg{margin:14px 0 0;padding:10px 12px;border-radius:10px;font-size:.92rem;display:none}
.msg.show{display:block}
.msg.ok{background:var(--g-lt);color:var(--g-dk)}
.msg.err{background:var(--bad-bg);color:var(--bad)}
.msg.info{background:var(--soft);color:var(--ink2)}
.form-foot{margin-top:18px;font-size:.92rem;color:var(--ink2)}
.full{width:100%}

/* app */
.app-main{padding:28px 0 64px;background:var(--soft);min-height:70vh}
.app-main h1{font-size:1.6rem}
.app-grid{display:grid;gap:20px}
@media (min-width:1000px){.app-grid{grid-template-columns:360px 1fr;align-items:start}}
.card h2{font-size:1.15rem;margin-bottom:12px}
.cleaner{display:grid;grid-template-columns:1fr auto;gap:6px 8px;padding:12px 0;border-bottom:1px solid var(--line)}
.cleaner:last-child{border-bottom:0}
.cleaner .nm{font-weight:700;align-self:center}
.cleaner .ctl{grid-column:1/-1;display:grid;grid-template-columns:1.3fr 1fr;gap:8px}
.cleaner select,.cleaner input{padding:8px 10px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.addc{background:var(--g-xlt);border-radius:12px;padding:4px 14px 14px;margin-top:10px}
.muted{color:var(--ink3);font-size:.9rem}
.banner{border-radius:12px;padding:14px 16px;margin-bottom:18px;background:var(--g-lt);color:var(--g-dk)}
.banner.warn{background:var(--warn-bg);color:#5B3200}
.res-head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:10px}
.total-big{font-size:1.5rem;font-weight:800}
.notes{display:grid;gap:12px}
.note{border:1px solid var(--line);border-radius:12px;padding:12px 14px;background:#fff}
.note pre{white-space:pre-wrap;font-family:var(--font);font-size:.9rem;margin:0 0 10px;color:var(--ink2)}
.hist{list-style:none;margin:0;padding:0}
.hist li{display:flex;justify-content:space-between;gap:10px;align-items:center;border-bottom:1px solid var(--line);padding:4px 0}
.hist button{background:none;border:0;font:inherit;color:var(--g-dk);text-decoration:underline;cursor:pointer;padding:8px 0;text-align:left}
.stack>*+*{margin-top:20px}
.acct dl{display:grid;grid-template-columns:110px 1fr;gap:8px 12px;margin:0}
.acct dt{color:var(--ink3)}
.acct dd{margin:0;font-weight:600;word-break:break-all}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}