:root{
  --bg:#F7F5F0;
  --bg2:#EEF2F3;
  --ink:#2A3942;
  --ink2:#5B6B74;
  --sea:#4F7B8C;
  --sea-d:#2F5A6A;
  --mist:#DCE7EA;
  --rose:#C9A397;
  --line:#DAD6CC;
  --cta:#2F6F7C;
  --cta-d:#245762;
  --white:#fff;
  --serif:'Shippori Mincho','Noto Serif JP',serif;
  --sans:'Noto Sans JP',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--bg);line-height:1.9;font-size:16px;-webkit-text-size-adjust:100%}
img{max-width:100%;display:block}
a{color:inherit}
.wrap{max-width:1080px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.sec{padding:84px 0}
.sec.alt{background:var(--bg2)}
.eyebrow{font-size:12px;letter-spacing:.28em;color:var(--sea);text-transform:uppercase;text-align:center;margin-bottom:10px}
h2{font-family:var(--serif);font-weight:600;font-size:30px;line-height:1.55;text-align:center;letter-spacing:.06em;margin-bottom:18px}
.lead{text-align:center;color:var(--ink2);max-width:640px;margin:0 auto 44px}
.sp-br{display:none}

/* header */
.hd{position:fixed;top:0;left:0;right:0;z-index:50;background:rgba(247,245,240,.96);border-bottom:1px solid var(--line)}
.hd .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--serif);font-weight:700;font-size:20px;letter-spacing:.12em;text-decoration:none;color:var(--sea-d);display:flex;align-items:center;gap:10px}
.logo svg{width:28px;height:28px}
.logo small{display:block;font-family:var(--sans);font-size:10px;letter-spacing:.14em;color:var(--ink2);font-weight:400;line-height:1.2}
.nav{display:flex;gap:26px;align-items:center;font-size:14px}
.nav a{text-decoration:none;color:var(--ink2)}
.nav a:hover{color:var(--sea-d)}
.btn{display:inline-block;background:var(--cta);color:#fff!important;text-decoration:none;padding:15px 34px;border-radius:40px;font-weight:700;letter-spacing:.08em;font-size:15px;border:0;cursor:pointer;font-family:var(--sans);transition:background .2s,transform .2s;text-align:center}
.btn:hover{background:var(--cta-d);transform:translateY(-1px)}
.btn.sm{padding:9px 20px;font-size:13px}
.btn.ghost{background:transparent;color:#fff!important;border:1.5px solid rgba(255,255,255,.85)}
.btn.ghost:hover{background:rgba(255,255,255,.14)}
.btn.lg{padding:19px 46px;font-size:17px}
.menu-btn{display:none}

/* hero */
.hero{position:relative;min-height:100vh;min-height:100svh;display:flex;align-items:center;color:#fff;background:#5a86a0 url(img/sky.jpg) center 70%/cover no-repeat}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,42,58,.46) 0%,rgba(20,42,58,.22) 50%,rgba(20,42,58,.40) 100%)}
.hero .wrap{position:relative;width:100%;padding-top:90px;padding-bottom:70px}
.hero .tag{display:inline-block;font-size:13px;letter-spacing:.18em;border:1px solid rgba(255,255,255,.7);padding:4px 16px;border-radius:30px;margin-bottom:26px}
.hero h1{font-family:var(--serif);font-weight:600;font-size:52px;line-height:1.5;letter-spacing:.1em;margin-bottom:22px;text-shadow:0 2px 18px rgba(0,0,0,.25)}
.hero p.sub{font-size:17px;max-width:560px;margin-bottom:34px;text-shadow:0 1px 10px rgba(0,0,0,.3)}
.hero .cta-row{display:flex;gap:14px;flex-wrap:wrap}
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-top:42px;list-style:none}
.chips li{background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.4);border-radius:30px;padding:5px 16px;font-size:13px;letter-spacing:.06em}
.chips li::before{content:"✓ ";}

/* empathy */
.worry{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;max-width:920px;margin:0 auto 40px}
.worry li{list-style:none;background:#fff;border:1px solid var(--line);border-radius:10px;padding:20px 22px 20px 56px;position:relative;font-size:15px}
.worry li::before{content:"";position:absolute;left:20px;top:26px;width:18px;height:18px;border-radius:50%;background:var(--mist);border:5px solid var(--sea)}
.msg{text-align:center;font-family:var(--serif);font-size:21px;line-height:2.1;letter-spacing:.06em}
.msg em{font-style:normal;background:linear-gradient(transparent 62%,#E8D3CB 62%)}

/* feature */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}
.split.rev{direction:rtl}.split.rev>*{direction:ltr}
.photo{border-radius:14px;overflow:hidden;aspect-ratio:4/3;background:var(--mist)}
.photo img{width:100%;height:100%;object-fit:cover}
.photo.tall{aspect-ratio:3/4}
.reasons{list-style:none;counter-reset:r}
.reasons li{counter-increment:r;padding:0 0 26px 62px;position:relative}
.reasons li::before{content:counter(r,decimal-leading-zero);position:absolute;left:0;top:0;font-family:var(--serif);font-size:30px;color:var(--rose);line-height:1.2}
.reasons h3{font-family:var(--serif);font-size:19px;margin-bottom:4px;letter-spacing:.05em}
.reasons p{font-size:14.5px;color:var(--ink2)}

/* flow */
.flow{list-style:none;max-width:780px;margin:0 auto;position:relative}
.flow::before{content:"";position:absolute;left:27px;top:10px;bottom:10px;width:2px;background:var(--mist)}
.flow li{position:relative;padding:0 0 34px 82px}
.flow .n{position:absolute;left:0;top:0;width:56px;height:56px;border-radius:50%;background:#fff;border:2px solid var(--sea);color:var(--sea-d);display:flex;align-items:center;justify-content:center;font-family:var(--serif);font-weight:700;font-size:20px}
.flow h3{font-family:var(--serif);font-size:19px;margin-bottom:4px;letter-spacing:.05em}
.flow p{font-size:14.5px;color:var(--ink2)}
.flow .tagline{display:inline-block;font-size:12px;background:var(--mist);color:var(--sea-d);padding:1px 12px;border-radius:20px;margin-left:8px;vertical-align:middle;font-family:var(--sans);letter-spacing:.04em;font-weight:500}

/* price */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:26px}
.plan{background:#fff;border:1px solid var(--line);border-radius:14px;padding:30px 24px;text-align:center;position:relative}
.plan.rec{border:2px solid var(--sea)}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);background:var(--sea);color:#fff;font-size:12px;padding:2px 16px;border-radius:20px;letter-spacing:.08em;white-space:nowrap}
.plan h3{font-family:var(--serif);font-size:19px;margin-bottom:2px}
.plan .for{font-size:13px;color:var(--ink2);margin-bottom:14px}
.plan .yen{font-family:var(--serif);font-size:34px;color:var(--sea-d);line-height:1.3}
.plan .yen small{font-size:13px;color:var(--ink2);font-family:var(--sans)}
.plan ul{list-style:none;text-align:left;margin-top:16px;font-size:14px;border-top:1px dashed var(--line);padding-top:14px}
.plan li{padding-left:20px;position:relative;margin-bottom:4px}
.plan li::before{content:"✓";position:absolute;left:0;color:var(--sea)}
.opt{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px 26px;max-width:780px;margin:0 auto}
.opt h4{font-family:var(--serif);font-size:16px;margin-bottom:8px}
.opt dl{display:grid;grid-template-columns:1fr auto;gap:6px 20px;font-size:14.5px}
.opt dd{text-align:right;font-weight:500}
.note{font-size:12.5px;color:var(--ink2);text-align:center;margin-top:16px}

/* safety */
.safe{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.safe div{background:#fff;border-radius:12px;padding:26px 22px;border-top:3px solid var(--sea)}
.safe h3{font-family:var(--serif);font-size:17px;margin-bottom:8px}
.safe p{font-size:14px;color:var(--ink2)}

/* quote band */
.band{position:relative;color:#fff;text-align:center;padding:110px 20px;background:#587c8c url(img/gold.jpg) center 60%/cover no-repeat}
.band::before{content:"";position:absolute;inset:0;background:rgba(22,42,54,.45)}
.band p{position:relative;font-family:var(--serif);font-size:26px;line-height:2.1;letter-spacing:.1em}

/* faq */
.faq{max-width:780px;margin:0 auto}
.faq details{background:#fff;border:1px solid var(--line);border-radius:10px;margin-bottom:12px}
.faq summary{cursor:pointer;padding:18px 52px 18px 54px;position:relative;list-style:none;font-weight:500;font-size:15.5px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";position:absolute;left:20px;top:15px;font-family:var(--serif);font-size:20px;color:var(--sea)}
.faq summary::after{content:"+";position:absolute;right:20px;top:14px;font-size:22px;color:var(--ink2)}
.faq details[open] summary::after{content:"−"}
.faq .a{padding:0 24px 20px 54px;font-size:14.5px;color:var(--ink2);position:relative}
.faq .a::before{content:"A";position:absolute;left:20px;top:-2px;font-family:var(--serif);font-size:20px;color:var(--rose)}

/* company */
.co{max-width:720px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 28px}
.co dl{display:grid;grid-template-columns:130px 1fr;font-size:14.5px}
.co dt,.co dd{padding:14px 0;border-bottom:1px solid var(--line)}
.co dt{color:var(--ink2)}
.co dl>*:nth-last-child(-n+2){border-bottom:0}

/* final CTA */
.final{text-align:center;background:linear-gradient(180deg,var(--bg2),#fff)}
.final h2{margin-bottom:10px}
.final .small{font-size:13px;color:var(--ink2);margin-top:14px}

footer{background:#27404C;color:#C7D5DA;font-size:12.5px;padding:34px 0 90px;text-align:center;line-height:1.9}
footer a{color:#C7D5DA}
.demo-note{background:#FFF8E5;border:1px solid #EAD9A6;color:#6b5a1d;font-size:12.5px;border-radius:8px;padding:10px 14px;margin:0 auto 18px;max-width:720px;text-align:left}

/* sticky CTA (SP) */
.sticky{display:none}

/* reveal */
.reveal{opacity:0;transform:translateY(18px);transition:opacity .8s ease,transform .8s ease}
.reveal.is-visible{opacity:1;transform:none}

/* form page */
.fhero{padding:110px 0 30px;text-align:center;background:var(--bg2)}
.fhero h1{font-family:var(--serif);font-size:32px;letter-spacing:.08em;margin-bottom:10px}
.steps{display:flex;justify-content:center;gap:8px;margin:22px 0 0;list-style:none;font-size:13px;color:var(--ink2)}
.steps li{padding:4px 14px;border-radius:20px;background:#fff;border:1px solid var(--line)}
.steps li.on{background:var(--sea);color:#fff;border-color:var(--sea)}
.form{background:#fff;border:1px solid var(--line);border-radius:14px;padding:38px 36px;margin:-10px auto 60px}
.row{margin-bottom:24px}
.row label,.row .lb{display:block;font-weight:700;font-size:14.5px;margin-bottom:8px}
.req{background:var(--rose);color:#fff;font-size:11px;padding:1px 8px;border-radius:4px;margin-left:8px;font-weight:500;vertical-align:1px}
.opt-t{background:var(--mist);color:var(--sea-d);font-size:11px;padding:1px 8px;border-radius:4px;margin-left:8px;font-weight:500;vertical-align:1px}
input[type=text],input[type=email],input[type=tel],select,textarea{width:100%;border:1px solid #C9CFCF;border-radius:8px;padding:13px 14px;font-size:16px;font-family:var(--sans);background:#fff;color:var(--ink)}
textarea{min-height:130px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--sea);border-color:var(--sea)}
.radios{display:flex;gap:10px;flex-wrap:wrap}
.radios label{font-weight:400;margin:0;border:1px solid #C9CFCF;border-radius:30px;padding:9px 20px;cursor:pointer;font-size:15px;background:#fff}
.radios input{display:none}
.radios label:has(input:checked){background:var(--mist);border-color:var(--sea);color:var(--sea-d);font-weight:700}
.two{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.hint{font-size:12.5px;color:var(--ink2);margin-top:6px}
.err{color:#B5483A;font-size:13px;margin-top:6px;display:none}
.row.bad .err{display:block}
.row.bad input,.row.bad select,.row.bad textarea{border-color:#B5483A}
.agree{font-size:13.5px;text-align:center;margin:8px 0 22px}
.agree label{font-weight:400;display:inline}
.submit{text-align:center}
.reassure{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0 0 30px;font-size:13px;text-align:center}
.reassure div{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 8px}
.thanks{display:none;text-align:center;background:#fff;border:1px solid var(--line);border-radius:14px;padding:54px 28px;margin:-10px auto 60px}
.thanks h2{margin-bottom:14px}
.thanks .recv{background:var(--bg2);border-radius:10px;padding:16px;margin:24px auto;max-width:480px;font-size:14px;text-align:left}

/* debug panel */
#dbg{position:fixed;right:10px;bottom:10px;z-index:99;width:300px;max-height:46vh;overflow:auto;background:#10202a;color:#9fe3c6;font:12px/1.5 Consolas,monospace;border-radius:8px;padding:10px 12px;display:none;box-shadow:0 6px 24px rgba(0,0,0,.35)}
#dbg b{color:#fff}
#dbg div{border-top:1px dashed #28414f;padding:3px 0;word-break:break-all}

@media(max-width:820px){
  .sec{padding:60px 0}
  h2{font-size:24px}
  .sp-br{display:inline}
  .nav a:not(.btn){display:none}
  .hero h1{font-size:34px}
  .hero p.sub{font-size:15.5px}
  .hero .cta-row .btn{width:100%}
  .worry{grid-template-columns:1fr}
  .split,.split.rev{grid-template-columns:1fr;gap:28px;direction:ltr}
  .plans,.safe{grid-template-columns:1fr}
  .photo.tall{aspect-ratio:4/3}
  .msg{font-size:18px}
  .band{padding:80px 20px}
  .band p{font-size:20px}
  .flow li{padding-left:70px}
  .flow .n{width:46px;height:46px;font-size:17px}
  .flow::before{left:22px}
  .co dl{grid-template-columns:96px 1fr}
  .form{padding:26px 18px}
  .two,.reassure{grid-template-columns:1fr}
  .fhero h1{font-size:25px}
  .sticky{display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;background:rgba(255,255,255,.97);border-top:1px solid var(--line);padding:10px 14px;gap:10px}
  .sticky .btn{flex:1;padding:13px 10px;font-size:15px}
  #dbg{width:calc(100% - 20px);bottom:72px}
}
@media(prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}