:root {
  --accent: #2f5d50;
  --accent-ink: #234a3f;
  --accent-soft: #e8efec;
  --ink: #1b2320;
  --muted: #56635e;
  --line: #e2e0d8;
  --paper: #fbfaf7;
  --card: #ffffff;
  --exad: #9c3f26;
  --exad-soft: #f6e9e4;
  --soff: #8a5c0c;
  --soff-soft: #f6efdf;
  --drgd: #55595b;
  --drgd-soft: #eceded;
  --focus: #1d6fd6;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "Noto Sans", "Noto Sans JP", Roboto, "Helvetica Neue", Arial, sans-serif;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: var(--font); color: var(--ink); background: var(--paper); line-height: 1.6; font-size: 16px; }
img { max-width: 100%; display: block; }
a { color: var(--accent); text-underline-offset: 2px; }
a:hover { color: var(--accent-ink); }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; border-radius: 4px; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .5em; letter-spacing: -0.01em; }
h1 { font-size: clamp(2rem, 5.4vw, 3.25rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3.4vw, 2.1rem); font-weight: 700; }
h3 { font-size: 1.1rem; font-weight: 650; }
p { margin: 0 0 1em; }
.wrap { width: min(1120px, 100% - 40px); margin: 0 auto; }
.narrow { width: min(760px, 100% - 40px); margin: 0 auto; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5em; min-height: 48px; padding: 0 22px; border-radius: 999px; border: 1.5px solid var(--accent); background: var(--accent); color: #fff; font: inherit; font-weight: 650; text-decoration: none; cursor: pointer; transition: background .15s; }
.btn:hover { background: var(--accent-ink); color: #fff; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); color: var(--accent-ink); }
.btn.small { min-height: 40px; padding: 0 16px; font-size: .9rem; }
.btn[disabled] { opacity: .55; cursor: default; }
.btn.danger { background: #fff; color: var(--exad); border-color: var(--exad); }
.btn.danger:hover { background: var(--exad-soft); }
.linkbtn { background: none; border: 0; padding: 0; font: inherit; color: var(--accent); text-decoration: underline; cursor: pointer; min-height: 44px; display: inline-flex; align-items: center; }
h1, h2, h3, summary { text-wrap: balance; }
p, li, dd { text-wrap: pretty; }
.alt-link a, .banner a { display: inline-block; padding: 12px 0; }

/* nav */
.nav { position: sticky; top: 0; z-index: 10; background: rgba(251, 250, 247, .94); backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; gap: 20px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; min-height: 44px; text-decoration: none; color: var(--ink); font-weight: 700; font-size: 1.1rem; }
.brand img { width: 32px; height: 32px; border-radius: 8px; }
.nav .links { display: flex; gap: 22px; margin-left: auto; align-items: center; }
.nav .links a { color: var(--ink); text-decoration: none; font-size: .95rem; padding: 10px 0; }
.nav .links a:hover { color: var(--accent); }
.nav .links .btn { color: #fff; padding: 0 18px; min-height: 42px; }
.nav .links .hide-s { display: none; }
@media (min-width: 760px) { .nav .links .hide-s { display: inline; } }

/* header */
.hero { padding: 56px 0 40px; }
.hero .grid { display: grid; gap: 40px; align-items: center; }
@media (min-width: 980px) { .hero .grid { grid-template-columns: 1fr 1.05fr; gap: 56px; } .hero { padding: 88px 0 72px; } }
.hero .sub { font-size: 1.125rem; color: var(--muted); max-width: 34em; }
.hero .cta { display: flex; flex-wrap: wrap; gap: 12px 18px; align-items: center; margin-top: 28px; }
.hero .cta .note { font-size: .9rem; color: var(--muted); }
.eyebrow { display: inline-block; font-size: .85rem; font-weight: 650; color: var(--accent); letter-spacing: .04em; margin-bottom: 14px; }

/* the product screen */
.screen { background: var(--card); border: 1px solid var(--line); border-radius: 14px; box-shadow: 0 1px 2px rgba(20, 30, 25, .04), 0 18px 40px -18px rgba(20, 40, 32, .25); overflow: hidden; font-size: .9rem; }
.screen .bar { display: flex; align-items: center; gap: 10px; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #f6f5f1; }
.screen .bar b { font-size: .9rem; }
.screen .bar span { margin-left: auto; font-size: .78rem; color: var(--muted); }
.screen .sum { display: grid; grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--line); }
.screen .sum div { padding: 12px 16px; }
.screen .sum div + div { border-left: 1px solid var(--line); }
.screen .sum b { display: block; font-size: 1.2rem; }
.screen .sum small { color: var(--muted); font-size: .75rem; }
.rows { list-style: none; margin: 0; padding: 0; }
.rows li { display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; padding: 12px 16px; border-bottom: 1px solid var(--line); }
.rows li:last-child { border-bottom: 0; }
.rows .who { font-weight: 600; overflow-wrap: anywhere; }
.rows .id { color: var(--muted); font-size: .78rem; }
.rows .right { text-align: right; }
.rows .owed { font-size: .8rem; color: var(--muted); }
.screen .foot { padding: 10px 16px; font-size: .76rem; color: var(--muted); background: #f6f5f1; border-top: 1px solid var(--line); }
.sample-tag { font-size: .7rem; font-weight: 650; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: 1px 8px; }

/* status pills: never green, never "clean" */
.pill { display: inline-block; white-space: nowrap; font-size: .76rem; font-weight: 650; border-radius: 999px; padding: 2px 10px; border: 1px solid var(--line); color: var(--muted); background: #fff; }
.pill.EXAD { color: var(--exad); background: var(--exad-soft); border-color: #ebcdc2; }
.pill.SOFF { color: var(--soff); background: var(--soff-soft); border-color: #ead9b4; }
.pill.DRGD, .pill.NOAC, .pill.CNCL, .pill.DISS, .pill.ABN_CAN { color: var(--drgd); background: var(--drgd-soft); border-color: #d6d8d9; }
.pill.wait { color: var(--muted); border-style: dashed; }

/* sections */
section { padding: 48px 0; }
.lead, .panel p, .narrow p { max-width: 65ch; }
@media (min-width: 980px) { section { padding: 96px 0; } }
section.alt { background: #f3f2ed; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.lead { font-size: 1.08rem; color: var(--muted); max-width: 40em; margin-bottom: 36px; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 20px; counter-reset: s; }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); gap: 28px; } }
.steps li { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; counter-increment: s; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--accent-soft); color: var(--accent); font-weight: 700; margin-bottom: 14px; }
.steps p { color: var(--muted); margin: 0; }
.features { display: grid; gap: 20px; }
@media (min-width: 860px) { .features { grid-template-columns: repeat(2, 1fr); gap: 24px 40px; } }
.feature { display: grid; grid-template-columns: 40px 1fr; gap: 14px; align-items: start; }
.feature svg { width: 40px; height: 40px; }
.feature p { color: var(--muted); margin: 0; }
.two { display: grid; gap: 40px; align-items: start; }
@media (min-width: 900px) { .two { grid-template-columns: 1fr 1fr; gap: 56px; } }

/* sample alert */
.mail { background: var(--card); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; font-size: .92rem; }
.mail .hd { padding: 14px 18px; border-bottom: 1px solid var(--line); background: #f6f5f1; }
.mail .hd div { color: var(--muted); font-size: .8rem; }
.mail .bd { padding: 18px; }
.mail dl { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 12px 0 16px; }
.mail dt { color: var(--muted); }
.mail dd { margin: 0; font-weight: 600; }

/* demo */
.demo { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 22px; }
.field { display: grid; gap: 6px; margin-bottom: 14px; }
.field label { font-weight: 600; font-size: .95rem; }
input[type=text], input[type=email], input[type=password], input[type=search], textarea { width: 100%; font: inherit; color: var(--ink); background: #fff; border: 1.5px solid #cfccc2; border-radius: 8px; padding: 11px 13px; min-height: 48px; }
textarea { min-height: 150px; resize: vertical; line-height: 1.5; }
input:focus, textarea:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px rgba(47, 93, 80, .18); }
.inline { display: flex; gap: 10px; flex-wrap: wrap; }
.inline input { flex: 1 1 220px; }
.result { margin-top: 16px; padding: 14px 16px; border-radius: 8px; background: #f6f5f1; border: 1px solid var(--line); min-height: 24px; }
.result:empty { display: none; }
.stat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; margin: 16px 0; }
.stat-grid div { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 14px; }
.stat-grid b { display: block; font-size: 1.5rem; }
.stat-grid small { color: var(--muted); font-size: .8rem; line-height: 1.35; display: block; }

/* who */
.who-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 0; border-top: 1px solid var(--line); }
.who-list li { display: grid; gap: 4px; padding: 18px 0; border-bottom: 1px solid var(--line); }
@media (min-width: 760px) { .who-list li { grid-template-columns: 260px 1fr; gap: 24px; } }
.who-list b { font-weight: 650; }
.who-list span { color: var(--muted); }

/* price */
.plan { background: var(--card); border: 1.5px solid var(--accent); border-radius: 16px; padding: 32px; max-width: 520px; }
.plan .amount { font-size: 3rem; font-weight: 750; line-height: 1; }
.plan .amount small { font-size: 1rem; font-weight: 500; color: var(--muted); }
.plan ul { list-style: none; padding: 0; margin: 24px 0; display: grid; gap: 10px; }
.plan li { padding-left: 28px; position: relative; }
.plan li::before { content: ""; position: absolute; left: 4px; top: .55em; width: 12px; height: 7px; border-left: 2px solid var(--accent); border-bottom: 2px solid var(--accent); transform: rotate(-45deg); }

/* faq */
.faq details { border-bottom: 1px solid var(--line); }
.faq summary { cursor: pointer; padding: 18px 32px 18px 0; font-weight: 600; list-style: none; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 4px; top: 14px; font-size: 1.4rem; color: var(--accent); font-weight: 400; }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); padding-bottom: 8px; }
.sources { margin-top: 48px; padding: 24px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.sources ul { padding-left: 20px; margin: 10px 0 14px; }
.sources li { margin-bottom: 6px; }

/* band */
.band { background: var(--accent); color: #fff; text-align: center; }
.band h2 { color: #fff; }
.band p { color: #dce8e3; }
.band .btn { background: #fff; color: var(--accent); border-color: #fff; }
.band .btn:hover { background: #eef4f1; color: var(--accent-ink); }

/* footer */
footer.site { padding: 40px 0 56px; font-size: .9rem; color: var(--muted); }
footer.site .wrap { display: grid; gap: 14px; }
footer.site a { color: var(--muted); }
.syng-legal-links a { padding: 12px 4px; min-width: 44px; min-height: 44px; display: inline-block; text-align: center; }
footer.site .brand { justify-self: start; }

/* forms: account pages */
.auth { min-height: calc(100vh - 64px); display: grid; place-items: start center; padding: 48px 20px 80px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 28px; width: min(440px, 100%); }
.card h1 { font-size: 1.6rem; }
.msg { padding: 12px 14px; border-radius: 8px; margin: 0 0 16px; font-size: .95rem; }
.msg:empty { display: none; }
.msg.err { background: var(--exad-soft); color: #7a2f1a; }
.msg.ok { background: var(--accent-soft); color: var(--accent-ink); }
.card .alt-link { margin-top: 18px; font-size: .95rem; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .92rem; margin-bottom: 14px; }
.check input { width: 20px; height: 20px; margin-top: 3px; accent-color: var(--accent); }