/* self-hosted Google Fonts (SIL OFL 1.1): Bai Jamjuree, IBM Plex Sans Thai */
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/BaiJamjuree-500-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/BaiJamjuree-500-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/BaiJamjuree-500-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/BaiJamjuree-600-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/BaiJamjuree-600-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/BaiJamjuree-600-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 700;font-display: swap;src: url(fonts/BaiJamjuree-700-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 700;font-display: swap;src: url(fonts/BaiJamjuree-700-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'Bai Jamjuree';font-style: normal;font-weight: 700;font-display: swap;src: url(fonts/BaiJamjuree-700-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 400;font-display: swap;src: url(fonts/IBMPlexSansThai-400-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 400;font-display: swap;src: url(fonts/IBMPlexSansThai-400-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 400;font-display: swap;src: url(fonts/IBMPlexSansThai-400-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/IBMPlexSansThai-500-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/IBMPlexSansThai-500-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 500;font-display: swap;src: url(fonts/IBMPlexSansThai-500-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/IBMPlexSansThai-600-thai.woff2) format('woff2');unicode-range: U+02D7, U+0303, U+0331, U+0E01-0E5B, U+200C-200D, U+25CC;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/IBMPlexSansThai-600-latin-ext.woff2) format('woff2');unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;}
@font-face {font-family: 'IBM Plex Sans Thai';font-style: normal;font-weight: 600;font-display: swap;src: url(fonts/IBMPlexSansThai-600-latin.woff2) format('woff2');unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;}
:root{
  --ink:#10243E; --ink-2:#1B3657; --paper:#F3F6F9; --white:#FFFFFF;
  --marigold:#F2A900; --marigold-soft:#FCE9B5;
  --line:#06C755; --line-dark:#05A546; --chat:#8EA8CF;
  --slate:#56677D; --rule:#D5DDE6;
  --display:"Bai Jamjuree","IBM Plex Sans Thai",system-ui,sans-serif;
  --body:"IBM Plex Sans Thai",system-ui,-apple-system,"Segoe UI",sans-serif;
  --cjk:"Noto Sans CJK SC","PingFang SC","Hiragino Sans","Microsoft YaHei","Noto Sans CJK JP",sans-serif;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--body);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased}
img,svg{display:block;max-width:100%}
a{color:inherit}
h1,h2,h3{font-family:var(--display);line-height:1.1;margin:0;letter-spacing:-.015em}
h2{font-size:clamp(2rem,4vw,3.1rem);font-weight:700;max-width:22ch}
h3{font-size:1.25rem;font-weight:600}
p{margin:0 0 1em}
[lang="zh"],[lang="ja"]{font-family:var(--cjk)}
:focus-visible{outline:3px solid var(--ink);outline-offset:3px;border-radius:4px}
.pilot :focus-visible{outline-color:var(--marigold)}
.skip{position:absolute;left:-999px;top:0;background:var(--ink);color:#fff;padding:.6rem 1rem;z-index:100}
.skip:focus{left:1rem;top:1rem}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 clamp(1.25rem,4vw,2.5rem)}

/* language switching */
html:not(.is-th) .th{display:none!important}
html.is-th .en{display:none!important}
html.is-th h1,html.is-th h2,html.is-th h3{line-height:1.35;letter-spacing:0}
html.is-th body{line-height:1.75}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:rgba(243,246,249,.88);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid transparent;transition:border-color .2s}
.site-header.scrolled{border-bottom-color:var(--rule)}
.header-inner{display:flex;align-items:center;gap:1.5rem;height:68px}
.wordmark{display:flex;align-items:center;gap:.55rem;text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.3rem;letter-spacing:-.02em}
.mark{width:30px;height:30px}
.nav{display:flex;gap:1.35rem;margin-left:auto}
.nav a{text-decoration:none;font-size:.95rem;color:var(--slate);padding:.3rem 0;border-bottom:2px solid transparent}
.nav a:hover{color:var(--ink);border-bottom-color:var(--marigold)}
.header-actions{display:flex;align-items:center;gap:.8rem}
.lang-toggle{display:flex;border:1.5px solid var(--ink);border-radius:999px;padding:2px}
.lang-toggle button,.demo-lang button{font:inherit;font-size:.85rem;font-weight:600;border:0;background:transparent;color:var(--ink);padding:.25rem .7rem;border-radius:999px;cursor:pointer}
.lang-toggle button[aria-pressed="true"]{background:var(--ink);color:#fff}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;font-family:var(--display);font-weight:600;font-size:1.05rem;text-decoration:none;padding:.85rem 1.4rem;border-radius:12px;border:2px solid transparent;transition:transform .15s ease,background-color .15s}
.btn:active{transform:translateY(1px)}
.btn-sm{padding:.45rem .95rem;font-size:.95rem;border-radius:10px}
.btn-ink{background:var(--ink);color:#fff}
.btn-ink:hover{background:var(--ink-2)}
.btn-line{background:#037F35;color:#fff}
.btn-line:hover{background:#026B2C}
.btn-marigold{background:var(--marigold);color:var(--ink)}
.btn-marigold:hover{background:#FFC03A}
.btn-ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-ghost:hover{background:var(--white)}
.cta-row{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.75rem}

/* hero */
.hero{padding:clamp(2.5rem,6vw,5rem) 0 clamp(3rem,6vw,5.5rem);overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.status{display:inline-flex;align-items:center;gap:.6rem;font-size:.92rem;color:var(--slate);background:var(--white);border:1px solid var(--rule);border-radius:999px;padding:.35rem .9rem .35rem .75rem;margin-bottom:1.6rem}
.dot{width:9px;height:9px;border-radius:50%;background:var(--marigold);box-shadow:0 0 0 4px var(--marigold-soft)}
h1{font-size:clamp(2.6rem,5.6vw,4.9rem);font-weight:700;line-height:1;letter-spacing:-.035em;max-width:14ch}
.nw{white-space:nowrap}
html.is-th h1{font-size:clamp(2.4rem,5.2vw,4.4rem);line-height:1.25;max-width:14ch}
.lede{font-size:clamp(1.08rem,1.4vw,1.25rem);color:var(--ink-2);max-width:40rem;margin-top:1.5rem}
.hero-facts{list-style:none;padding:0;margin:2.5rem 0 0;display:grid;grid-template-columns:repeat(3,auto);gap:1.5rem 2.2rem;justify-content:start;border-top:1px solid var(--rule);padding-top:1.4rem}
.hero-facts li{display:flex;flex-direction:column;font-size:.92rem;color:var(--slate);line-height:1.4}
.hero-facts strong{font-family:var(--display);font-size:1.15rem;color:var(--ink);font-weight:700}

.hero-visual{position:relative;display:flex;flex-direction:column;align-items:center}
.floorplan{position:absolute;width:125%;max-width:none;left:50%;top:50%;transform:translate(-50%,-50%);opacity:.13;pointer-events:none}
.phone{position:relative;width:min(100%,350px);background:var(--ink);border-radius:44px;padding:12px;box-shadow:0 40px 80px -30px rgba(16,36,62,.55),0 0 0 1px rgba(16,36,62,.1)}
.phone-top{display:flex;align-items:center;gap:.7rem;background:#FFFFFF;padding:.85rem 1rem;border-bottom:1px solid #E3E8EE}
.phone .phone-top{border-radius:32px 32px 0 0;padding-top:1.1rem}
.back{font-size:1.6rem;line-height:1;color:var(--ink)}
.chat-name{margin:0;font-weight:600;font-size:.95rem;line-height:1.2}
.chat-sub{margin:0;font-size:.75rem;color:var(--slate)}
.demo-badge{margin-left:auto;font-size:.68rem;font-weight:600;background:var(--marigold-soft);color:#6B4A00;padding:.15rem .5rem;border-radius:6px;white-space:nowrap}
.chat-body{background:var(--chat);padding:1rem .8rem;display:flex;flex-direction:column;gap:.55rem;overflow-y:auto;scroll-behavior:smooth}
.phone .chat-body{height:480px}
.chat-time{align-self:center;font-size:.72rem;color:#fff;background:#4F6689;padding:.1rem .6rem;border-radius:999px;margin:0 0 .3rem}
.msg{max-width:82%;padding:.55rem .8rem;border-radius:18px;font-size:.9rem;line-height:1.45;word-wrap:break-word}
.msg.me{align-self:flex-end;background:var(--line);color:#0B1F14;border-bottom-right-radius:5px}
.msg.bot{align-self:flex-start;background:#fff;color:var(--ink);border-bottom-left-radius:5px}
.msg[lang="th"]{line-height:1.6}
.handoff{align-self:stretch;background:var(--ink);color:#fff;border-radius:14px;padding:.7rem .9rem;font-size:.82rem;border-left:4px solid var(--marigold)}
.handoff-title{font-weight:600;margin:0 0 .3rem;color:var(--marigold)}
.handoff ul{margin:0;padding-left:1.1rem}
.handoff li{margin:.1rem 0}
.typing{align-self:flex-start;background:#fff;border-radius:18px;padding:.6rem .8rem;display:none;gap:4px}
.typing.on{display:flex}
.typing i{width:7px;height:7px;border-radius:50%;background:#9AA7B6;animation:blink 1s infinite}
.typing i:nth-child(2){animation-delay:.15s}.typing i:nth-child(3){animation-delay:.3s}
@keyframes blink{0%,80%,100%{opacity:.3;transform:translateY(0)}40%{opacity:1;transform:translateY(-2px)}}
.phone-input{background:#fff;border-radius:0 0 32px 32px;padding:.75rem 1rem 1.1rem;display:flex;align-items:center;gap:.6rem}
.phone-input span{flex:1;background:#EEF1F5;border-radius:999px;padding:.35rem .9rem;font-size:.85rem;color:#5F6E80}
.phone-input i{width:22px;height:22px;border-radius:50%;background:var(--line)}
.js .phone [data-step]{opacity:0;transform:translateY(8px) scale(.98);transition:opacity .35s ease,transform .35s ease;display:none}
.js .phone [data-step].shown{display:block}
.js .phone [data-step].in{opacity:1;transform:none}
.replay{margin-top:1rem;font:inherit;font-size:.88rem;background:none;border:0;color:var(--slate);text-decoration:underline;text-underline-offset:3px;cursor:pointer}
.replay:hover{color:var(--ink)}

/* statement */
.statement{background:var(--ink);color:#fff;padding:clamp(3.5rem,8vw,6.5rem) 0}
.statement-big{font-family:var(--display);font-weight:600;font-size:clamp(1.75rem,3.8vw,3rem);line-height:1.15;max-width:26ch;letter-spacing:-.02em;margin-bottom:1.2rem}
html.is-th .statement-big{line-height:1.4;letter-spacing:0}
.statement-small{font-size:1.15rem;color:#C5D2E2;max-width:40rem;margin:0}

/* sections */
.section{padding:clamp(4rem,8vw,7rem) 0}
.section-lede{font-size:1.15rem;color:var(--slate);max-width:40rem;margin-top:1rem}

/* steps */
.steps{list-style:none;padding:0;margin:3rem 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:0;counter-reset:s;position:relative}
.steps li{padding:0 2rem 0 0;position:relative}
.steps li+li{padding-left:2rem;border-left:1px solid var(--rule)}
.step-n{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;background:var(--marigold);font-family:var(--display);font-weight:700;font-size:1.5rem;margin-bottom:1.3rem}
.steps h3{margin-bottom:.6rem}
.steps p{color:var(--slate);max-width:34ch}

/* demo */
.demo-section{background:var(--white);border-top:1px solid var(--rule);border-bottom:1px solid var(--rule)}
.demo-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.demo-copy>p{color:var(--slate);max-width:36rem;margin-top:1rem}
.small-label{width:100%;margin:0 0 .5rem;font-size:.9rem;font-weight:600;color:var(--ink)}
.demo-lang{display:flex;flex-wrap:wrap;gap:.5rem;margin:2rem 0}
.demo-lang button{border:1.5px solid var(--rule);padding:.45rem 1rem;font-size:.95rem;border-radius:10px;background:var(--paper)}
.demo-lang button[aria-pressed="true"]{border-color:var(--ink);background:var(--ink);color:#fff}
.qr-block{display:flex;gap:1.2rem;align-items:center;padding:1.2rem;border:2px dashed #B9C5D3;border-radius:16px;background:var(--paper)}
.qr-title{font-family:var(--display);font-weight:600;font-size:1.15rem;margin:0 0 .3rem}
.qr-note{font-size:.9rem;color:var(--slate);margin:0}
.demo-window{border-radius:24px;overflow:hidden;border:1px solid var(--rule);box-shadow:0 30px 60px -35px rgba(16,36,62,.45);background:#fff}
.demo-window .chat-body{height:430px}
.reset{margin-left:auto;font:inherit;font-size:.85rem;border:1px solid var(--rule);background:#fff;border-radius:8px;padding:.25rem .7rem;cursor:pointer;color:var(--slate)}
.reset:hover{color:var(--ink);border-color:var(--ink)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;padding:1rem;border-top:1px solid #E3E8EE;background:#fff}
.chips button{font:inherit;font-size:.9rem;border:1.5px solid var(--line);color:#047A34;background:#fff;border-radius:999px;padding:.35rem .85rem;cursor:pointer;line-height:1.4;transition:background-color .15s}
.chips button:hover{background:#E8F9EF}
.chips button.guard{border-color:var(--marigold);color:#7A5500}
.chips button.guard:hover{background:var(--marigold-soft)}
.chips button:disabled{opacity:.45;cursor:default}
.demo-window .msg{animation:pop .3s ease both}
.demo-window .handoff{animation:pop .3s ease both}
@keyframes pop{from{opacity:0;transform:translateY(6px)}to{opacity:1;transform:none}}
.msg .tag{display:block;margin-top:.35rem;font-size:.7rem;color:var(--slate)}

/* ledger */
.ledger{display:grid;grid-template-columns:1fr 1fr;margin-top:3rem;border-top:3px solid var(--ink)}
.ledger-col{padding:1.8rem 2.5rem 0 0}
.ledger-col.never{padding-left:2.5rem;padding-right:0;border-left:1px solid var(--rule)}
.ledger-col h3{font-size:1.5rem;margin-bottom:1rem;display:flex;align-items:center;gap:.6rem}
.ledger-col h3::before{content:"";width:28px;height:28px;border-radius:50%;flex:none;background:var(--line) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center/18px no-repeat}
.never h3::before{background:var(--ink) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M7 7l10 10M17 7L7 17' fill='none' stroke='%23F2A900' stroke-width='3' stroke-linecap='round'/%3E%3C/svg%3E") center/16px no-repeat}
.ledger ul{list-style:none;margin:0;padding:0}
.ledger li{padding:.85rem 0;border-bottom:1px solid var(--rule);font-size:1.02rem}
.ledger li:last-child{border-bottom:0}

/* audience tabs */
.audience{background:var(--ink);color:#fff}
.tabs{display:inline-flex;gap:.3rem;margin:2.2rem 0 2.5rem;background:rgba(255,255,255,.08);padding:4px;border-radius:14px}
.tabs button{font-family:var(--display);font-size:1.1rem;font-weight:600;border:0;background:transparent;color:#C5D2E2;padding:.6rem 1.3rem;border-radius:10px;cursor:pointer}
.tabs button[aria-selected="true"]{background:var(--marigold);color:var(--ink)}
.audience :focus-visible{outline-color:var(--marigold)}
.panel-lede{font-family:var(--display);font-size:clamp(1.4rem,2.6vw,2rem);font-weight:500;line-height:1.25;max-width:30ch;margin-bottom:2.2rem}
html.is-th .panel-lede{line-height:1.5}
.points{display:grid;grid-template-columns:repeat(3,1fr);gap:2rem;margin:0}
.points div{border-top:1px solid rgba(255,255,255,.25);padding-top:1.1rem}
.points dt{font-weight:600;font-size:1.08rem;margin-bottom:.4rem;color:var(--marigold)}
.points dd{margin:0;color:#C5D2E2}

/* calculator */
.calc-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(2rem,5vw,4.5rem);align-items:start}
.calc-grid>div>p{color:var(--slate);margin-top:1rem;max-width:30rem}
.calc{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem 1.5rem;background:var(--white);border:1px solid var(--rule);border-radius:20px;padding:clamp(1.25rem,3vw,2rem)}
.calc label{display:flex;flex-direction:column;gap:.45rem;font-size:.92rem;font-weight:500}
.calc input{font:inherit;font-size:1.1rem;padding:.65rem .8rem;border:1.5px solid var(--rule);border-radius:10px;background:var(--paper);color:var(--ink);width:100%}
.calc input:focus{border-color:var(--ink);outline:none;box-shadow:0 0 0 3px var(--marigold-soft)}
.calc-out{grid-column:1/-1;display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;border-top:1px solid var(--rule);padding-top:1.3rem;margin-top:.3rem}
.calc-out div{display:flex;flex-direction:column;font-size:.88rem;color:var(--slate);line-height:1.4}
.out-n{font-family:var(--display);font-weight:700;font-size:2.1rem;color:var(--ink);line-height:1.1;margin-bottom:.2rem}
.calc-foot{grid-column:1/-1;font-size:.82rem;color:var(--slate);margin:0}

/* pilot */
.pilot{background:var(--ink);color:#fff;padding:clamp(4rem,8vw,7rem) 0;position:relative;overflow:hidden}
.pilot-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);position:relative;z-index:1}
.pilot-terms{font-family:var(--display);font-weight:700;font-size:clamp(1.8rem,3.4vw,2.7rem);color:var(--marigold);line-height:1.15;margin:1rem 0 1.4rem;letter-spacing:-.02em}
.pilot-grid>div>p:not(.pilot-terms){color:#C5D2E2;max-width:34rem}
.pilot-lists{display:grid;gap:2rem}
.pilot-lists h3{margin-bottom:.8rem}
.pilot-lists ul{list-style:none;margin:0;padding:0}
.pilot-lists li{padding:.6rem 0 .6rem 1.6rem;border-bottom:1px solid rgba(255,255,255,.14);position:relative;color:#DCE4EE}
.pilot-lists li::before{content:"";position:absolute;left:0;top:1.15rem;width:9px;height:9px;border-radius:2px;background:var(--marigold)}

/* japan */
.japan{background:#E8EDF5}
.japan-grid{display:grid;grid-template-columns:auto 1fr;gap:clamp(1.5rem,5vw,5rem);align-items:start}
.japan-vert{writing-mode:vertical-rl;font-size:clamp(4rem,9vw,8rem);font-weight:700;line-height:1;margin:0;color:var(--ink);letter-spacing:.08em;font-family:"Noto Serif CJK JP","Hiragino Mincho ProN","Yu Mincho",serif}
.japan-copy>p{max-width:44rem;color:var(--ink-2);margin-top:1rem}
.japan-copy .ja{font-size:1rem;background:#fff;border-left:4px solid var(--ink);padding:.9rem 1.1rem;border-radius:0 10px 10px 0;line-height:1.8}
.japan-channels{display:grid;grid-template-columns:1fr 1fr;gap:2rem;margin:2.2rem 0 1.5rem}
.japan-channels>div{border-top:2px solid var(--ink);padding-top:1rem}
.japan-channels h3{margin-bottom:.6rem}
.japan-channels p{color:var(--slate);margin:0}
.japan-note{font-size:.95rem;color:var(--slate)!important}

/* faq */
.faq-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:clamp(2rem,5vw,4.5rem)}
.faq-list{border-top:3px solid var(--ink)}
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{cursor:pointer;list-style:none;padding:1.15rem 2.5rem 1.15rem 0;font-family:var(--display);font-weight:600;font-size:1.18rem;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"";position:absolute;right:.3rem;top:50%;width:14px;height:14px;margin-top:-10px;border-right:2.5px solid var(--ink);border-bottom:2.5px solid var(--ink);transform:rotate(45deg);transition:transform .2s}
.faq details[open] summary::after{transform:rotate(-135deg);margin-top:-3px}
.faq details p{color:var(--slate);max-width:44rem;padding-bottom:.4rem}

/* contact */
.contact{background:var(--white);border-top:1px solid var(--rule)}
.contact-grid{display:grid;grid-template-columns:1.3fr .7fr;gap:3rem;align-items:center}
.contact-grid>div>p{color:var(--slate);max-width:36rem;margin-top:1rem}
.contact-side{display:flex;gap:1.1rem;align-items:center;padding:1.3rem;border:2px dashed #B9C5D3;border-radius:16px}

/* footer */
.site-footer{background:var(--ink);color:#C5D2E2;padding:2.8rem 0}
.footer-inner p{margin:0 0 .4rem}
.footer-brand{font-family:var(--display);font-weight:700;color:#fff;font-size:1.15rem}
.footer-small{font-size:.82rem;color:#8FA2BA}

/* responsive */
@media (max-width:1060px){
  .nav{display:none}
  .header-actions{margin-left:auto}
}
@media (max-width:900px){
  .hero-grid,.demo-grid,.calc-grid,.pilot-grid,.faq-grid,.contact-grid{grid-template-columns:1fr}
  .hero-visual{margin-top:1rem}
  .steps{grid-template-columns:1fr;gap:2.2rem}
  .steps li,.steps li+li{padding:0;border-left:0}
  .steps li+li{border-top:1px solid var(--rule);padding-top:2.2rem}
  .points{grid-template-columns:1fr;gap:1.4rem}
  .japan-channels{grid-template-columns:1fr}
}
@media (max-width:640px){
  body{font-size:1rem}
  .hide-sm{display:none}
  .hero-facts{grid-template-columns:1fr 1fr}
  .ledger{grid-template-columns:1fr}
  .ledger-col,.ledger-col.never{padding:1.5rem 0 0;border-left:0}
  .ledger-col.never{border-top:1px solid var(--rule);margin-top:1rem}
  .calc{grid-template-columns:1fr}
  .calc-out{grid-template-columns:1fr;gap:1rem}
  .qr-block{flex-direction:column;align-items:flex-start}
  .japan-grid{grid-template-columns:1fr}
  .japan-vert{writing-mode:horizontal-tb;font-size:3.2rem;letter-spacing:.02em}
  .phone .chat-body{height:430px}
  .demo-window .chat-body{height:380px}
  .tabs button{font-size:1rem;padding:.55rem 1rem}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
}

/* statement timeline */
.statement-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(2rem,5vw,4.5rem);align-items:center}
.timeline{list-style:none;margin:0;padding:0 0 0 1.4rem;border-left:2px solid rgba(255,255,255,.18)}
.timeline li{position:relative;padding:.1rem 0 1.3rem;color:#DCE4EE;font-size:.98rem;line-height:1.45}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{content:"";position:absolute;left:calc(-1.4rem - 7px);top:.35rem;width:12px;height:12px;border-radius:50%;background:var(--ink);border:2px solid var(--marigold)}
.timeline li:last-child::before{background:var(--marigold)}
.timeline time{display:block;font-family:var(--display);font-weight:700;color:var(--marigold);font-size:1.05rem;font-variant-numeric:tabular-nums}
/* mobile menu */
.menu-btn{display:none;font:inherit;font-size:.9rem;font-weight:600;border:1.5px solid var(--rule);background:var(--white);color:var(--ink);border-radius:10px;padding:.3rem .8rem;cursor:pointer}
@media (max-width:1060px){
  .menu-btn{display:inline-block}
  .nav.open{display:flex;position:absolute;top:68px;left:0;right:0;flex-direction:column;gap:0;background:var(--paper);border-bottom:1px solid var(--rule);padding:.5rem clamp(1.25rem,4vw,2.5rem) 1rem;box-shadow:0 20px 30px -20px rgba(16,36,62,.3)}
  .nav.open a{padding:.75rem 0;border-bottom:1px solid var(--rule);font-size:1.05rem;color:var(--ink)}
  .statement-grid{grid-template-columns:1fr}
}
@media (max-width:420px){ .wordmark span{font-size:1.15rem} .lang-toggle button{padding:.25rem .55rem} }
.qr-block .btn{margin-top:.8rem}
.site-footer a{color:#C5D2E2}