:root{
  --paper:#F1E7D7;
  --paper-deep:#EADFCB;
  --paper-soft:#F6EEDF;
  --ink:#3F362F;
  --soft:#7A6E62;
  --faint:#A99C8E;
  --coral:#DA8682;
  --gold:#E2B65C;
  --card:#FBF6EC;
  --border:#E2D5BE;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--paper);color:var(--ink);font-family:"Noto Sans JP",-apple-system,"Hiragino Sans","Hiragino Kaku Gothic ProN",sans-serif;line-height:1.95;-webkit-font-smoothing:antialiased;font-feature-settings:"palt"}

/* --- legal pages (privacy / support): preserve original simple look --- */
.wrap{max-width:720px;margin:0 auto;padding:48px 22px 80px}
.wrap h1{font-size:26px;margin:0 0 6px}
.wrap h2{font-size:18px;margin:34px 0 8px;color:var(--coral)}
.wrap .lead{color:var(--soft);font-size:14px;margin:0 0 8px}
.wrap a{color:var(--coral)}
.wrap small{color:var(--soft)}
.wrap .nav{font-size:14px;margin-bottom:24px}
.wrap .nav a{margin-right:14px}

/* ===================================================================
   Landing page (body.lp) — editorial, paper-tone, generous whitespace
   =================================================================== */
body.lp{line-height:2}
body.lp .serif{font-family:"Noto Serif JP","Hiragino Mincho ProN","Yu Mincho",serif;font-weight:500;letter-spacing:.04em}
body.lp h1,body.lp h2,body.lp h3,body.lp h4,body.lp p{margin:0}
body.lp b{color:var(--ink);font-weight:700}
body.lp a{color:var(--coral)}

.lp-wrap{max-width:960px;margin:0 auto;padding:0 28px}
.lp-wrap.narrow{max-width:640px}
.center{text-align:center}
.eyebrow{font-size:10.5px;color:var(--faint);letter-spacing:5px;margin:0 0 14px;font-weight:500}
.eyebrow.center{text-align:center}

/* reveal-on-scroll */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}}

/* ----- hero ----- */
.hero{position:relative;padding:84px 0 96px;overflow:hidden}
.hero-bg{position:absolute;inset:0;background:
  radial-gradient(60% 40% at 75% 25%, rgba(218,134,130,.12), transparent 60%),
  radial-gradient(50% 35% at 20% 85%, rgba(226,182,92,.10), transparent 60%),
  linear-gradient(180deg,var(--paper) 0%,var(--paper-deep) 100%);
  z-index:0}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.hero-text{}
.hero-title{font-family:"Noto Serif JP","Hiragino Mincho ProN",serif;font-weight:500;font-size:46px;line-height:1.45;letter-spacing:.06em;color:var(--ink);margin:0 0 22px}
.hero-sub{font-size:14.5px;color:var(--soft);line-height:2;margin:0 0 30px}
.hero-meta{font-size:11.5px;color:var(--faint);letter-spacing:1.5px;margin-top:18px;line-height:1.9}
.hero-art{display:flex;align-items:center;justify-content:center}
.hero-icon-wrap{position:relative;width:200px;height:200px;display:flex;align-items:center;justify-content:center}
.hero-icon{width:160px;height:160px;border-radius:42px;box-shadow:0 18px 40px rgba(74,64,56,.18),0 4px 10px rgba(74,64,56,.08)}
.hero-spark{position:absolute;width:32px;height:32px;animation:twinkle 3.6s ease-in-out infinite}
.spark-a{top:8px;right:14px}
.spark-b{bottom:18px;left:6px;width:22px;height:22px;animation-delay:1.4s}
@keyframes twinkle{0%,100%{opacity:.5;transform:scale(.85)}50%{opacity:1;transform:scale(1.1)}}

.cta{display:inline-block;padding:15px 30px;border-radius:999px;background:var(--ink);color:var(--paper);text-decoration:none;font-size:13px;letter-spacing:3px;font-weight:600;box-shadow:0 8px 18px rgba(63,54,47,.22);transition:transform .2s,box-shadow .2s}
.cta:hover{transform:translateY(-2px);box-shadow:0 12px 22px rgba(63,54,47,.28)}
.cta-big{padding:18px 40px;font-size:14px;letter-spacing:4px;margin-top:8px}

/* ----- sections base ----- */
.section{padding:120px 0;position:relative}
.section-tint{background:var(--paper-soft);position:relative}
.section-tint::before,.section-tint::after{content:"";position:absolute;left:0;right:0;height:1px;background:var(--border);opacity:.6}
.section-tint::before{top:0}
.section-tint::after{bottom:0}

body.lp h2{color:var(--ink);font-size:32px;font-weight:500;line-height:1.6;letter-spacing:.06em;margin:0 0 24px}
body.lp h2.large{font-size:36px;line-height:1.55}
body.lp h2.center{text-align:center;margin-bottom:60px}
.lead-p{font-size:15px;color:var(--soft);line-height:2.2;margin-top:18px}
.body{font-size:14.5px;color:var(--soft);line-height:2.05;margin-top:20px}
.muted{font-size:13px;color:var(--soft);margin-top:24px}
.muted a{color:var(--soft);text-decoration:underline;text-underline-offset:3px}

/* ----- features ----- */
.feature{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center;padding:48px 0}
.feature + .feature{border-top:1px solid var(--border)}
.feature.reverse .feature-art{order:2}
.feature-art{display:flex;justify-content:center}
.illo{width:200px;height:200px}
.feature-text .num{font-family:"Noto Serif JP",serif;font-size:13px;color:var(--coral);letter-spacing:5px;margin:0 0 14px}
.feature-text h3{font-size:24px;font-weight:500;color:var(--ink);margin:0 0 16px;letter-spacing:.06em;line-height:1.55}
.feature-text p{font-size:14.5px;color:var(--soft);line-height:2.1;margin:0}

/* ----- flow / steps ----- */
.steps{list-style:none;padding:0;margin:24px 0 0;display:grid;gap:24px;max-width:680px;margin-left:auto;margin-right:auto}
.steps>li{display:grid;grid-template-columns:64px 1fr;gap:24px;align-items:start;padding:24px 4px;border-bottom:1px dashed var(--border)}
.steps>li:last-child{border-bottom:0}
.step-n{font-size:32px;color:var(--coral);text-align:center;line-height:1.2;letter-spacing:0}
.steps h4{font-size:17px;font-weight:500;color:var(--ink);margin:0 0 6px;letter-spacing:.06em}
.steps p{font-size:14px;color:var(--soft);line-height:2;margin:0}

/* ----- quote / privacy ----- */
.section-quote{text-align:center}
.quote{font-size:34px;line-height:1.65;color:var(--ink);font-weight:500;letter-spacing:.06em;margin:18px 0 14px}
.quote-sub{font-size:14px;color:var(--coral);letter-spacing:3px;margin:0 0 8px}

/* ----- plans ----- */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:36px}
.plan{background:var(--card);border:1px solid var(--border);border-radius:18px;padding:22px 18px;text-align:left}
.plan-hi{border-color:var(--ink);background:#fff;box-shadow:0 10px 30px rgba(63,54,47,.06)}
.plan h4{font-size:17px;font-weight:500;color:var(--ink);margin:0 0 8px;letter-spacing:1.5px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.plan-tag{font-size:12px;color:var(--soft);margin:0 0 12px;letter-spacing:.5px}
.plan-d{font-size:12.5px;color:var(--ink);line-height:1.95;margin:0}
.badge{display:inline-block;font-size:10px;background:var(--coral);color:#fff;padding:3px 9px;border-radius:999px;letter-spacing:1.5px;font-weight:600}
.note{font-size:12.5px;color:var(--faint);margin-top:28px;line-height:1.95}

/* ----- faq ----- */
details{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin-bottom:12px;transition:border-color .2s}
details[open]{border-color:var(--coral)}
details summary{cursor:pointer;font-size:14.5px;color:var(--ink);font-weight:500;list-style:none;letter-spacing:.5px;padding-right:24px;position:relative}
details summary::-webkit-details-marker{display:none}
details summary::after{content:"＋";position:absolute;right:0;top:0;color:var(--faint);font-size:16px;transition:transform .25s}
details[open] summary::after{content:"−";color:var(--coral)}
details>p{margin-top:12px;font-size:13.5px;color:var(--soft);line-height:2.05}

/* ----- CTA section ----- */
.section-cta{padding:120px 0;text-align:center;background:linear-gradient(180deg,var(--paper-soft) 0%,var(--paper) 100%);border-top:1px solid var(--border)}
.section-cta h2{margin-bottom:32px}

/* ----- footer ----- */
.footer{padding:56px 0 72px;text-align:center;background:var(--paper-deep)}
.footer .nav{font-size:13px;margin-bottom:18px}
.footer .nav a{margin:0 14px;color:var(--soft);text-decoration:none;letter-spacing:.5px}
.footer .nav a:hover{text-decoration:underline;text-underline-offset:3px}
.footer small{color:var(--faint);font-size:11.5px;letter-spacing:2px}

/* ----- responsive ----- */
@media (max-width:860px){
  .hero{padding:64px 0 72px}
  .hero-inner{grid-template-columns:1fr;gap:32px;text-align:center}
  .hero-art{order:-1}
  .hero-icon-wrap{width:160px;height:160px}
  .hero-icon{width:128px;height:128px;border-radius:34px}
  .hero-title{font-size:34px;line-height:1.5}
  body.lp h2{font-size:26px}
  body.lp h2.large{font-size:28px}
  .section{padding:80px 0}
  .section-cta{padding:88px 0}
  .feature{grid-template-columns:1fr;gap:24px;padding:36px 0;text-align:center}
  .feature.reverse .feature-art{order:0}
  .feature-art{justify-content:center}
  .illo{width:160px;height:160px}
  .plans{grid-template-columns:1fr 1fr;gap:12px}
  .quote{font-size:26px}
}
@media (max-width:480px){
  .lp-wrap{padding:0 22px}
  .hero-title{font-size:28px;line-height:1.55}
  body.lp h2{font-size:23px;letter-spacing:.04em}
  body.lp h2.center{margin-bottom:40px}
  .plans{grid-template-columns:1fr}
  .quote{font-size:22px}
  .step-n{font-size:26px}
  .steps>li{grid-template-columns:48px 1fr;gap:18px}
}