/* Kokuji: one stylesheet for the front page, the account pages and the app. */
:root{
  --green:#2a6f4e;--green-dk:#1f5940;--green-lt:#e9f2ed;--green-ln:#cfe1d6;
  --ink:#1c2420;--ink-2:#47524c;--ink-3:#5c6660;--line:#e3e7e3;--paper:#fbfbf8;--white:#fff;
  --amber:#a8501a;--amber-lt:#fbf0e6;--red:#b42318;--red-lt:#fdecea;
  --radius:12px;--shadow:0 1px 2px rgba(20,40,30,.06),0 8px 24px rgba(20,40,30,.07);
  --font:system-ui,-apple-system,BlinkMacSystemFont,"Noto Sans JP","Noto Sans CJK JP","Yu Gothic UI",Meiryo,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.8 var(--font);letter-spacing:.02em;font-feature-settings:"palt" 0}
img,svg{display:block;max-width:100%}
a{color:var(--green-dk)}
a:hover{color:var(--green)}
:focus-visible{outline:3px solid #8cc3a6;outline-offset:2px;border-radius:4px}
h1,h2,h3{line-height:1.4;letter-spacing:.03em;margin:0;font-weight:700;text-wrap:balance}
p{margin:0}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:#fff;padding:8px 12px;z-index:10}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:12px 24px;border-radius:999px;border:1px solid transparent;font:inherit;font-weight:700;font-size:1rem;letter-spacing:.04em;text-decoration:none;cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn-primary{background:var(--green);color:#fff}
.btn-primary:hover{background:var(--green-dk);color:#fff}
.btn-ghost{background:#fff;color:var(--green-dk);border-color:var(--green-ln)}
.btn-ghost:hover{border-color:var(--green);color:var(--green-dk)}
.btn-quiet{background:transparent;color:var(--ink-2);border-color:var(--line)}
.btn-danger{background:#fff;color:var(--red);border-color:#f0c5c0}
.btn-sm{min-height:40px;padding:8px 16px;font-size:.9rem}
.btn[disabled],.btn[aria-busy=true]{opacity:.6;cursor:wait}

/* top bar */
.top{position:sticky;top:0;z-index:5;background:rgba(251,251,248,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.top .wrap{display:flex;align-items:center;gap:16px;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--ink);font-weight:800;font-size:1.15rem;letter-spacing:.04em}
.brand img{width:32px;height:32px;border-radius:8px}
.top-links{display:none;gap:22px;margin-left:12px}
.top-links a{color:var(--ink-2);text-decoration:none;font-size:.92rem}
.top-links a:hover{color:var(--green-dk)}
.top-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.top-right .login{color:var(--ink-2);text-decoration:none;font-size:.92rem;padding:10px 8px;min-height:44px;display:inline-flex;align-items:center}
.top .btn{min-height:44px;padding:8px 18px;font-size:.92rem}
@media (min-width:860px){.top-links{display:flex}}

/* hero */
.hero{padding:48px 0 56px;background:linear-gradient(180deg,#f3f8f5 0%,var(--paper) 100%)}
.hero .wrap{display:grid;gap:40px}
.eyebrow{display:inline-block;font-size:.85rem;color:var(--green-dk);background:var(--green-lt);border-radius:999px;padding:4px 12px;margin-bottom:16px;font-weight:600}
.hero h1{font-size:clamp(1.75rem,6.4vw,2.75rem);line-height:1.45;letter-spacing:.04em}
.hero h1 .br{display:block}
.hero .sub{margin-top:18px;color:var(--ink-2);font-size:1.02rem;max-width:34em}
.cta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px 16px;margin-top:28px}
.cta-note{font-size:.88rem;color:var(--ink-3)}
.cta-note b{color:var(--ink-2);font-weight:600}
@media (min-width:980px){.hero{padding:72px 0 80px}.hero .wrap{grid-template-columns:1fr 1.05fr;align-items:center;gap:56px}}

/* the product panel on the front page */
.shot{background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:var(--shadow);overflow:hidden}
.shot-bar{display:flex;align-items:center;gap:10px;padding:12px 16px;border-bottom:1px solid var(--line);background:#f7f9f7;font-size:.82rem;color:var(--ink-3)}
.shot-bar .dot{width:8px;height:8px;border-radius:50%;background:#d6dbd7}
.shot-bar .from{margin-left:4px;color:var(--ink-2);font-weight:600}
.shot-bar .tag{margin-left:auto;font-size:.75rem;background:#f1f1ec;border-radius:999px;padding:2px 10px}
.shot-head{padding:16px 18px 6px}
.shot-head .subj{font-weight:700;font-size:1rem}
.shot-head .meta{font-size:.82rem;color:var(--ink-3);margin-top:2px}
.shot ol{list-style:none;margin:0;padding:6px 10px 12px}
.shot li{padding:12px 10px;border-top:1px solid #eef1ee}
.shot li:first-child{border-top:0}
.n-title{display:flex;gap:8px;align-items:flex-start;font-weight:700;font-size:.95rem;line-height:1.6}
.n-title .star{flex:none;width:22px;height:22px;color:#c9cfca;margin-top:1px}
.n-title .star.on{color:#d39b1c}
.n-meta{font-size:.8rem;color:var(--ink-3);margin:2px 0 6px 30px}
.n-dates{display:flex;flex-wrap:wrap;gap:6px;margin-left:30px}
.chip{display:inline-flex;align-items:center;gap:6px;font-size:.78rem;line-height:1.5;border-radius:6px;padding:3px 8px;background:var(--green-lt);color:var(--green-dk);font-weight:600;white-space:nowrap}
.chip.due{background:var(--amber-lt);color:var(--amber)}
.chip.past{background:#f0f0ee;color:#8a8f8b;text-decoration:line-through}
.n-quote{margin:8px 0 0 30px;font-size:.78rem;color:var(--ink-2);border-left:3px solid var(--green-ln);padding:2px 0 2px 10px;line-height:1.7}
.shot-foot{padding:10px 18px 14px;font-size:.75rem;color:var(--ink-3);border-top:1px solid var(--line);background:#fcfcfa}

/* sections */
.sec{padding:56px 0}
@media (min-width:820px){.sec{padding:72px 0}}
.sec.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.sec-head{max-width:40em;margin-bottom:36px}
.sec-head .kicker{font-size:.85rem;color:var(--green);font-weight:700;letter-spacing:.12em}
.sec-head h2{font-size:clamp(1.4rem,4.6vw,2rem);margin-top:6px}
.sec-head p{margin-top:12px;color:var(--ink-2)}

.steps{list-style:none;margin:0;padding:0;display:grid;gap:16px;counter-reset:s}
.steps li{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px;counter-increment:s;position:relative}
.steps li::before{content:counter(s);display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:var(--green);color:#fff;font-weight:700;margin-bottom:12px}
.steps h3{font-size:1.08rem}
.steps p{margin-top:8px;color:var(--ink-2);font-size:.95rem}
@media (min-width:820px){.steps{grid-template-columns:repeat(3,1fr)}}

.features{display:grid;gap:16px}
.feature{border-top:2px solid var(--green);padding:20px 0 4px;display:grid;grid-template-columns:24px 1fr;column-gap:12px}
.feature .ic{color:var(--green);grid-column:1;grid-row:1;padding-top:3px}
.feature h3{font-size:1.08rem;grid-column:2}
.feature p{margin-top:8px;color:var(--ink-2);font-size:.95rem;grid-column:2}
.feature .ex{margin-top:10px;font-size:.82rem;color:var(--ink-2);font-family:inherit}
.feature .ex::before{content:"";display:block;width:24px;border-top:1px solid var(--green-ln);margin-bottom:8px}
@media (min-width:820px){.features{column-gap:48px;row-gap:28px}}
@media (min-width:820px){.features{grid-template-columns:1fr 1fr}}

.price-grid{display:grid;gap:24px;align-items:start}
.plan{background:#fff;border:2px solid var(--green);border-radius:16px;padding:28px 24px;box-shadow:var(--shadow)}
.plan .name{font-weight:700;color:var(--green-dk)}
.plan .amount{font-size:2.6rem;font-weight:800;letter-spacing:.02em;margin-top:6px;line-height:1.2}
.plan .amount small{font-size:1rem;font-weight:600;color:var(--ink-2);margin-left:4px}
.plan .tax{font-size:.8rem;color:var(--ink-3)}
.plan ul{list-style:none;padding:0;margin:20px 0 24px;display:grid;gap:10px}
.plan li{display:flex;gap:10px;font-size:.95rem}
.plan li::before{content:"";flex:none;width:18px;height:18px;margin-top:5px;border-radius:50%;background:var(--green-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='%232a6f4e' stroke-width='2.4' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/12px no-repeat}
.plan .btn{width:100%}
.plan .fine{margin-top:12px;font-size:.82rem;color:var(--ink-3);text-align:center}
.compare{width:100%;border-collapse:collapse;font-size:.88rem;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.compare caption{text-align:left;font-weight:700;padding:0 0 10px;font-size:1rem}
.compare th,.compare td{padding:12px 12px;border-top:1px solid var(--line);text-align:left;vertical-align:top}
.compare thead th{background:#f5f7f5;border-top:0;font-size:.8rem;color:var(--ink-2)}
.compare tr.us td,.compare tr.us th{background:var(--green-lt);font-weight:700}
.compare-note{font-size:.78rem;color:var(--ink-3);margin-top:10px}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch}
@media (min-width:900px){.price-grid{grid-template-columns:360px 1fr;gap:40px}}

.faq{display:grid;gap:12px;max-width:820px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:0 20px}
.faq summary{cursor:pointer;list-style:none;padding:18px 28px 18px 0;font-weight:700;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:2px;top:26px;width:10px;height:10px;border-right:2px solid var(--ink-3);border-bottom:2px solid var(--ink-3);transform:rotate(45deg);transition:transform .15s}
.faq details[open] summary::after{transform:rotate(-135deg);top:30px}
.faq details p{padding:0 0 18px;color:var(--ink-2)}
.source{margin-top:36px;max-width:820px;padding:24px 0 0;border-top:1px solid var(--line)}
.source h3{font-size:1.05rem}
.source p{margin-top:8px;color:var(--ink-2);font-size:.95rem}

.band{background:var(--green);color:#fff;padding:64px 0;text-align:center}
.band h2{font-size:clamp(1.35rem,4.4vw,1.9rem)}
.band p{margin-top:10px;opacity:.92}
.band .btn{margin-top:26px;background:#fff;color:var(--green-dk)}
.band .btn:hover{background:#f1f7f3}
.band .cta-note{color:#e2efe7;margin-top:12px}

.foot{padding:40px 0 48px;font-size:.85rem;color:var(--ink-3);background:var(--paper)}
.foot .wrap{display:grid;gap:14px}
.foot .brand{font-size:1rem}
.foot .brand img{width:26px;height:26px}
.foot a{color:var(--ink-2)}
.syng-legal-links{font-size:.85rem}

/* forms and cards (account pages and the app) */
.page{padding:40px 0 64px;min-height:calc(100vh - 60px)}
.card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:28px 24px;box-shadow:0 1px 2px rgba(20,40,30,.04)}
.narrow{max-width:460px;margin:0 auto}
.card h1{font-size:1.5rem}
.card .lead{margin-top:8px;color:var(--ink-2);font-size:.95rem}
.form{display:grid;gap:18px;margin-top:24px}
.field{display:grid;gap:6px}
.field label,.label{font-weight:600;font-size:.92rem}
.hint{font-size:.82rem;color:var(--ink-3)}
input[type=email],input[type=password],input[type=text],input[type=search],select{font:inherit;width:100%;min-height:48px;padding:10px 14px;border:1px solid #cdd4cf;border-radius:10px;background:#fff;color:var(--ink)}
input:focus,select:focus{border-color:var(--green);outline:2px solid #bfe0cd;outline-offset:0}
.msg{border-radius:10px;padding:12px 14px;font-size:.92rem}
.msg[hidden]{display:none}
.msg.err{background:var(--red-lt);color:#7a1d14}
.msg.ok{background:var(--green-lt);color:var(--green-dk)}
.msg.info{background:#f2f4f2;color:var(--ink-2)}
.alt-links{margin-top:20px;font-size:.9rem;color:var(--ink-2);display:grid;gap:6px}
.linkbtn{background:none;border:0;padding:0;font:inherit;color:var(--green-dk);text-decoration:underline;cursor:pointer;min-height:44px}

/* app */
.app-top .wrap{min-height:60px}
.app-nav{display:flex;gap:4px;margin-left:8px}
.app-nav a{text-decoration:none;color:var(--ink-2);padding:10px 12px;border-radius:8px;font-size:.92rem;min-height:44px;display:inline-flex;align-items:center}
.app-nav a[aria-current=page]{background:var(--green-lt);color:var(--green-dk);font-weight:700}
.banner{background:var(--amber-lt);color:#6b3410;border-bottom:1px solid #f1d9c4;font-size:.9rem}
.banner .wrap{padding-top:10px;padding-bottom:10px;display:flex;flex-wrap:wrap;gap:8px 16px;align-items:center}
.banner a{display:inline-flex;align-items:center;min-height:44px}
.brand{min-height:44px}
.banner.ok{background:var(--green-lt);color:var(--green-dk);border-color:var(--green-ln)}
.grid-app{display:grid;gap:24px}
@media (min-width:1000px){.grid-app{grid-template-columns:300px 1fr;align-items:start}}
.side{display:grid;gap:16px}
.side .card{padding:20px}
.side h2{font-size:1rem}
.kv{display:grid;gap:4px;font-size:.88rem;color:var(--ink-2);margin-top:8px}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:8px}
.tag{display:inline-flex;align-items:center;gap:4px;border:1px solid var(--green-ln);background:var(--green-lt);color:var(--green-dk);border-radius:999px;padding:4px 10px;font-size:.85rem}
.tag button{border:0;background:none;color:inherit;font:inherit;cursor:pointer;padding:0 0 0 2px;min-width:24px;min-height:24px}
.tag.add{background:#fff;border-style:dashed;cursor:pointer;font:inherit;font-size:.85rem;min-height:44px;padding:4px 14px}
.prefs{display:grid;gap:14px;margin-top:8px}
.prefs fieldset{border:0;margin:0;padding:0}
.prefs legend{font-size:.8rem;color:var(--ink-3);margin-bottom:6px}
.checks{display:flex;flex-wrap:wrap;gap:6px}
.checks label{display:inline-flex;align-items:center;gap:6px;border:1px solid var(--line);border-radius:8px;padding:6px 10px;font-size:.88rem;background:#fff;cursor:pointer;min-height:40px}
.checks input{width:16px;height:16px;accent-color:var(--green)}
.checks label:has(input:checked){border-color:var(--green);background:var(--green-lt);color:var(--green-dk);font-weight:600}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:10px;overflow:hidden;background:#fff}
.seg label{padding:8px 14px;font-size:.88rem;cursor:pointer;min-height:40px;display:inline-flex;align-items:center;gap:6px}
.seg input{accent-color:var(--green)}
.seg label:has(input:checked){background:var(--green-lt);color:var(--green-dk);font-weight:700}
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-bottom:14px}
.toolbar input[type=search]{flex:1 1 220px;min-height:44px}
.toolbar select{width:auto;min-height:44px}
.count{font-size:.88rem;color:var(--ink-3)}
.list{display:grid;gap:12px}
.item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px 16px 14px}
.item-head{display:flex;gap:10px;align-items:flex-start}
.item h3{font-size:1rem;line-height:1.6;flex:1}
.item h3 a{color:var(--ink);text-decoration:none}
.item h3 a:hover{text-decoration:underline;color:var(--green-dk)}
.starbtn{flex:none;border:1px solid var(--line);background:#fff;border-radius:10px;width:44px;height:44px;display:flex;align-items:center;justify-content:center;cursor:pointer;color:#b8bfba}
.starbtn[aria-pressed=true]{color:#d39b1c;border-color:#efd9a6;background:#fff9ea}
.starbtn svg{width:22px;height:22px}
.item .n-meta,.item .n-dates,.item .n-quote{margin-left:0}
.item .n-meta{margin-top:4px}
.badge-new{font-size:.7rem;background:var(--green);color:#fff;border-radius:4px;padding:1px 6px;margin-right:6px;vertical-align:2px}
.item details{margin-top:10px;font-size:.85rem}
.item summary{cursor:pointer;color:var(--green-dk);min-height:32px}
.item .more{display:grid;gap:8px;padding:8px 0 2px}
.src-note{font-size:.75rem;color:var(--ink-3)}
.empty{text-align:center;padding:40px 20px;color:var(--ink-2)}
.loading{display:flex;gap:12px;align-items:center;justify-content:center;padding:32px;color:var(--ink-2)}
.spin{width:20px;height:20px;border:3px solid var(--green-ln);border-top-color:var(--green);border-radius:50%;animation:sp 1s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
.suggest{margin-top:8px;font-size:.85rem}
.setup-grid{display:grid;gap:20px}
.attrib{font-size:.78rem;color:var(--ink-3);margin-top:20px}
.danger-zone{border-color:#f0c5c0}
.row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.stat{font-size:1.6rem;font-weight:800}
.table{width:100%;border-collapse:collapse;font-size:.88rem}
.table td,.table th{border-top:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}