@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+JP:wght@500;600;700&family=Noto+Sans+JP:wght@400;500;700&display=swap');
/* ===== 余白 -Yohaku- (JA) — washi / sumi ink / vermilion ===== */
:root{
  --washi:#FAF7F2; --washi-2:#F1EBE1; --card:#FFFDFA; --line:#e2d9c9; --line-2:#cdbfa8;
  --sumi:#1C1B19; --muted:#6b655c; --shu:#C8442F; --shu-d:#a8351f; --ai:#2F4858;
  --maxw:1080px; --r:4px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--washi);color:var(--sumi);font-family:'Noto Sans JP',system-ui,sans-serif;font-size:16px;line-height:1.9;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
h1,h2,h3,h4{font-family:'Noto Serif JP',serif;line-height:1.4;margin:0;font-weight:600}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
.eyebrow{font-size:12.5px;font-weight:700;letter-spacing:.22em;color:var(--shu-d)}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-family:'Noto Sans JP';font-weight:700;font-size:15px;letter-spacing:.06em;padding:14px 30px;border-radius:2px;border:1px solid transparent;cursor:pointer;text-decoration:none;transition:transform .12s,background .15s,color .15s}
.btn-primary{background:var(--shu);color:#fff}
.btn-primary:hover{background:var(--shu-d);transform:translateY(-1px)}
.btn-ghost{background:transparent;border-color:var(--line-2);color:var(--sumi)}
.btn-ghost:hover{border-color:var(--sumi)}
.btn-block{width:100%}

.nav{position:sticky;top:0;z-index:30;background:rgba(250,247,242,.9);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;height:70px}
.brand{display:flex;align-items:center;gap:10px;color:var(--sumi);text-decoration:none;font-family:'Noto Serif JP';font-weight:700;font-size:20px;letter-spacing:.06em}
.brand .dot{width:9px;height:9px;border-radius:50%;background:var(--shu)}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;letter-spacing:.04em}
.nav-links a:hover{color:var(--sumi)}
.nav .btn{padding:9px 20px;font-size:13px}
@media(max-width:860px){.nav-links a:not(.btn){display:none}}

/* hero */
.hero{padding:80px 0 90px;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.hero h1{font-size:clamp(40px,6vw,68px);font-weight:700;margin:22px 0 22px;letter-spacing:.02em}
.hero h1 em{font-style:normal;color:var(--shu);position:relative}
.hero .lead{font-size:17px;color:var(--muted);max-width:44ch;margin:0 0 30px;line-height:2}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap}
.hero-stats{margin-top:38px;display:flex;gap:34px;flex-wrap:wrap;border-top:1px solid var(--line);padding-top:24px}
.hero-stats .s b{font-family:'Noto Serif JP';font-size:24px;color:var(--sumi);display:block;line-height:1.2}
.hero-stats .s span{font-size:12.5px;color:var(--muted);letter-spacing:.06em}

/* tategaki signature panel */
.tate-wrap{display:flex;justify-content:center;position:relative}
.tate{border:1px solid var(--line-2);background:linear-gradient(180deg,var(--card),#fbf6ee);padding:38px 30px;display:flex;gap:22px;align-items:flex-start;position:relative;box-shadow:0 20px 50px rgba(28,27,25,.08)}
.tate::before{content:"";position:absolute;inset:7px;border:1px solid var(--line);pointer-events:none}
.tate p{writing-mode:vertical-rl;text-orientation:upright;font-family:'Noto Serif JP';font-weight:600;font-size:clamp(26px,3.4vw,38px);letter-spacing:.28em;margin:0;line-height:1.9;height:340px}
.tate p.second{color:var(--muted);font-size:clamp(20px,2.6vw,28px)}
.seal{position:absolute;bottom:26px;left:26px;width:62px;height:62px;border:2px solid var(--shu);border-radius:6px;color:var(--shu);display:flex;align-items:center;justify-content:center;font-family:'Noto Serif JP';font-weight:700;font-size:26px;writing-mode:vertical-rl;letter-spacing:.1em;transform:rotate(-3deg);background:rgba(200,68,47,.05)}
.hero-note{color:var(--muted);font-size:12px;margin:16px 0 0;text-align:center}
@media(max-width:860px){.hero-grid{grid-template-columns:1fr;gap:44px}.tate p{height:240px}}

/* sections */
.block{padding:82px 0}
.block.alt{background:var(--washi-2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.block-head{max-width:640px;margin-bottom:46px}
.block-head h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;margin:14px 0 14px;letter-spacing:.04em}
.block-head p{color:var(--muted);font-size:16px;margin:0}

/* offers */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);border:1px solid var(--line)}
.card{background:var(--card);padding:32px 26px;display:flex;flex-direction:column;transition:background .15s}
.card:hover{background:#fffaf3}
.card .tag{font-size:12px;letter-spacing:.14em;color:var(--shu-d);font-weight:700}
.card h3{font-size:21px;margin:10px 0;font-weight:600}
.card .price{font-family:'Noto Serif JP';font-weight:700;font-size:30px;margin:4px 0 18px;letter-spacing:.02em}
.card .price small{font-family:'Noto Sans JP';font-size:13px;color:var(--muted);font-weight:400;letter-spacing:0}
.card ul{list-style:none;padding:0;margin:0 0 24px;color:var(--muted);font-size:14px;line-height:1.7}
.card li{padding:9px 0 9px 22px;position:relative;border-top:1px solid var(--line)}
.card li:first-child{border-top:0}
.card li::before{content:"—";position:absolute;left:0;color:var(--shu)}
.card .btn{margin-top:auto}
.card.featured{background:var(--sumi);color:#f3ede2}
.card.featured h3,.card.featured .price{color:#fff}.card.featured .tag{color:#e6a08f}
.card.featured ul{color:#b8b0a2}.card.featured li{border-top-color:#3a3833}.card.featured li::before{color:#e6a08f}
@media(max-width:860px){.cards{grid-template-columns:1fr}}

/* program */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.step{background:var(--card);border:1px solid var(--line);padding:26px;position:relative}
.step .n{font-family:'Noto Serif JP';font-weight:700;color:var(--shu);font-size:15px;letter-spacing:.1em}
.step h3{font-size:18px;margin:12px 0 8px;font-weight:600}
.step p{color:var(--muted);font-size:14px;margin:0;line-height:1.85}
@media(max-width:860px){.steps{grid-template-columns:1fr}}

/* about */
.about{display:grid;grid-template-columns:150px 1fr;gap:36px;align-items:center;background:var(--card);border:1px solid var(--line);padding:38px}
.about .ava{width:150px;height:150px;border-radius:50%;background:linear-gradient(150deg,var(--ai),var(--shu));display:flex;align-items:center;justify-content:center;font-family:'Noto Serif JP';font-weight:700;font-size:56px;color:#fff}
.about .role{color:var(--shu-d);font-size:12.5px;letter-spacing:.14em}
.about h3{font-size:25px;margin:6px 0;font-weight:600}
.about p{color:var(--muted);margin:12px 0 0;line-height:2}
@media(max-width:560px){.about{grid-template-columns:1fr;text-align:center;justify-items:center}}

/* signup */
.signup .grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.signup h2{font-size:clamp(26px,3.4vw,38px);font-weight:700;letter-spacing:.04em}
.signup .lead{color:var(--muted);font-size:16px;line-height:2}
.perks{list-style:none;padding:0;margin:26px 0 0}
.perks li{padding:10px 0 10px 26px;position:relative}
.perks li::before{content:"○";position:absolute;left:0;color:var(--shu);font-size:13px;top:12px}
.formcard{background:var(--card);border:1px solid var(--line-2);padding:32px}
form .field{margin-bottom:16px}
form label{display:block;font-size:13px;font-weight:700;margin-bottom:7px;letter-spacing:.04em}
form input,form select{width:100%;padding:13px 14px;border-radius:2px;border:1px solid var(--line-2);background:#fff;color:var(--sumi);font:inherit;font-size:16px;transition:border .15s,box-shadow .15s}
form input::placeholder{color:#b3a894}
form input:focus,form select:focus{outline:none;border-color:var(--shu);box-shadow:0 0 0 3px rgba(200,68,47,.14)}
form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.consent{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);margin:6px 0 20px;line-height:1.7}
.consent input{width:18px;height:18px;flex:0 0 auto;margin-top:3px;accent-color:var(--shu)}
.consent a{color:var(--sumi);text-decoration:underline}
.err{color:var(--shu-d);font-size:13px;margin:0 0 14px;display:none}.err.show{display:block}
@media(max-width:860px){.signup .grid{grid-template-columns:1fr;gap:36px}form .row{grid-template-columns:1fr}}

/* faq */
.faq details{border-bottom:1px solid var(--line);padding:6px 0}
.faq summary{cursor:pointer;list-style:none;padding:19px 40px 19px 0;font-family:'Noto Serif JP';font-weight:600;font-size:17px;position:relative;letter-spacing:.03em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"＋";position:absolute;right:2px;top:18px;font-size:18px;color:var(--shu);transition:transform .2s}
.faq details[open] summary::after{content:"−"}
.faq p{color:var(--muted);margin:0 0 19px;max-width:68ch;line-height:2}

/* footer */
.site-footer{background:var(--sumi);color:#b8b0a2;padding:56px 0 38px}
.foot-grid{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;margin-bottom:30px}
.site-footer .brand{color:#fff}
.foot-about{max-width:30ch;font-size:13px;margin-top:14px;color:#948d80;line-height:1.9}
.foot-col h4{color:#fff;font-family:'Noto Sans JP';font-size:12.5px;letter-spacing:.1em;margin:0 0 14px;font-weight:700}
.foot-col a{display:block;color:#b8b0a2;text-decoration:none;font-size:14px;padding:6px 0}
.foot-col a:hover{color:#fff}
.foot-bottom{border-top:1px solid #3a3833;padding-top:22px;font-size:12px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;color:#948d80}

/* legal + thanks */
.page-legal .nav,.page-thanks .nav{position:static}
.legal{padding:56px 0 74px}.legal .wrap{max-width:760px}
.legal h1{font-size:clamp(28px,4vw,40px);letter-spacing:.03em}
.legal .upd{color:var(--muted);font-size:13px;margin:10px 0 34px}
.legal h2{font-size:21px;margin:36px 0 12px;font-weight:600}
.legal p,.legal li{color:#3a352d;font-size:15.5px;line-height:2}.legal a{color:var(--shu-d)}
.legal-note{color:var(--muted);font-size:13px;margin-top:32px}
.back{display:inline-block;color:var(--shu-d);text-decoration:none;font-weight:700;margin-bottom:26px}
.thanks{min-height:72vh;display:flex;align-items:center;justify-content:center;text-align:center;padding:60px 22px}
.thanks .box{max-width:560px}
.check{width:88px;height:88px;border-radius:50%;background:rgba(200,68,47,.1);color:var(--shu);display:flex;align-items:center;justify-content:center;margin:0 auto 26px}.check svg{width:40px;height:40px}
.thanks h1{font-size:clamp(28px,5vw,42px);margin-bottom:16px;letter-spacing:.04em}
.thanks p{color:var(--muted);font-size:16px;margin:0 auto 12px;max-width:46ch;line-height:2}
.next{background:var(--card);border:1px solid var(--line);padding:24px;margin:30px 0;text-align:left}
.next-body{color:var(--muted)!important}

@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:focus-visible{outline:3px solid var(--shu);outline-offset:2px}