:root{--v:#c4472b;--v-d:#9e3520;--v-l:#ffe4da;--n:#1f3557;--n2:#2c4a78;--sky:#e3eefa;--mus:#f2b84b;--mus-l:#fff0cc;--cream:#fff8ef;--ink:#22252e;--mute:#5d6170}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;font-family:"M PLUS Rounded 1c","Noto Sans JP",sans-serif;font-size:16px;line-height:1.75;color:var(--ink);background:var(--cream);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:inherit}
button{font:inherit}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
.narrow{max-width:820px}
/* header */
.hd{background:#fff;position:sticky;top:0;z-index:20;box-shadow:0 2px 0 rgba(196,71,43,.1)}
.hd .wrap{display:flex;align-items:center;gap:24px;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;text-decoration:none;color:var(--n);min-height:44px}
.seal{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--v);color:#fff;font-size:19px;font-weight:800;box-shadow:0 3px 0 var(--v-d)}
.gnav{margin-left:auto;display:flex;gap:4px}
.gnav a{padding:10px 14px;min-height:44px;display:flex;align-items:center;text-decoration:none;font-weight:700;border-radius:999px;font-size:15px;color:var(--n)}
.gnav a:hover{background:var(--v-l)}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:var(--v-l);border-radius:12px}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:20px;height:2px;background:var(--v);margin:auto;position:relative;content:""}
.menu-btn span::before{position:absolute;top:-6px}.menu-btn span::after{position:absolute;top:6px}
/* hero */
.hero{position:relative;overflow:hidden;background:linear-gradient(160deg,#ffe8dc 0%,#fff4dc 55%,#e3eefa 100%);padding:32px 0 48px}
.blob{position:absolute;border-radius:50%;pointer-events:none}
.b1{width:520px;height:520px;right:-120px;top:-140px;background:var(--v);opacity:.95;border-radius:46% 54% 60% 40%/50% 45% 55% 50%}
.b2{width:260px;height:260px;right:380px;bottom:-120px;background:var(--mus);opacity:.85}
.b3{width:140px;height:140px;left:-50px;top:240px;background:var(--n2);opacity:.35}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:40px;align-items:center}
.eyebrow{display:flex;gap:8px;margin:0 0 10px;flex-wrap:wrap}
.eyebrow span{background:#fff;color:var(--v);font-weight:700;font-size:14px;padding:3px 12px;border-radius:999px;box-shadow:0 2px 0 rgba(196,71,43,.18)}
h1{font-size:44px;line-height:1.3;margin:0 0 8px;font-weight:800;color:var(--n);letter-spacing:.02em}
h1 em{font-style:normal;color:var(--v);background:linear-gradient(transparent 64%,var(--mus) 64%);padding:0 2px}
.lead{margin:0 0 16px;font-size:17px;color:var(--mute);font-weight:500}
.tool{background:#fff;border-radius:24px;padding:20px;box-shadow:0 18px 40px rgba(31,53,87,.16),0 4px 0 var(--v);position:relative;z-index:2;display:grid;gap:12px}
.fl{font-size:14px;font-weight:700;color:var(--n);display:block;margin-bottom:4px}
.seg{display:grid;grid-template-columns:repeat(3,1fr);background:var(--v-l);border-radius:14px;padding:4px}
.seg-b{min-height:44px;border:0;background:transparent;border-radius:11px;font-weight:800;font-size:16px;color:var(--v-d);cursor:pointer}
.seg-b.on{background:var(--v);color:#fff;box-shadow:0 3px 8px rgba(196,71,43,.35)}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;padding:0 16px;border:2px solid #e6e1d8;background:#fff;border-radius:999px;font-weight:700;font-size:16px;color:var(--ink);cursor:pointer}
.chip.on{border-color:var(--n);background:var(--n);color:#fff}
.f{display:block}
.f textarea{display:block;width:100%;font:inherit;font-size:16px;line-height:1.6;border:2px solid #e6e1d8;border-radius:12px;padding:10px 12px;background:#fcfbf9;color:var(--ink);resize:vertical;min-height:72px}
.f textarea:focus{outline:none;border-color:var(--v);background:#fff}
.row{display:flex;align-items:center;gap:12px}
.row .fl{margin:0;flex:none}
.len{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;flex:1}
.len-b{min-height:44px;border:2px solid #e6e1d8;background:#fff;border-radius:12px;font-weight:800;font-size:16px;color:var(--n);cursor:pointer}
.len-b.on{border-color:var(--v);color:var(--v);background:var(--v-l)}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;min-height:56px;border:0;border-radius:16px;background:var(--v);color:#fff;font-weight:800;font-size:18px;cursor:pointer;box-shadow:0 4px 0 var(--v-d)}
.btn:hover{transform:translateY(-1px)}
.arw{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:var(--v);font-size:16px}
.privacy{margin:-4px 0 0;font-size:16px;color:var(--mute);text-align:center}
.hero-art{position:relative}
.art-frame{border-radius:32px;overflow:hidden;aspect-ratio:4/5;box-shadow:0 24px 50px rgba(31,53,87,.25);border:6px solid #fff;transform:rotate(1.5deg);background:#fff}
.art-frame img{width:100%;height:100%;object-fit:cover}
.badge{position:absolute;background:#fff;border-radius:16px;padding:8px 16px;font-weight:700;box-shadow:0 8px 20px rgba(31,42,36,.18);font-size:16px}
.badge b{color:var(--v);font-size:24px;margin-right:2px}
.bd1{left:-28px;top:40px;transform:rotate(-4deg)}
.bd2{right:-10px;bottom:36px;background:var(--mus);color:var(--ink)}
/* ads */
.ad{position:relative;margin:28px auto;background:repeating-linear-gradient(45deg,#f3ece3,#f3ece3 10px,#ede5da 10px,#ede5da 20px);border:1px dashed #d3c7b6;border-radius:8px}
.ad span{position:absolute;top:4px;left:8px;font-size:12px;color:#8a8170}
.ad-728{width:728px;height:90px;max-width:100%}
.ad-336{width:336px;height:280px}
.ad-300{display:none;width:300px;height:250px}
/* sections */
.sec{padding:64px 0}
.sec-h{text-align:center;margin-bottom:32px}
.kicker{margin:0;font-weight:800;color:var(--v);letter-spacing:.2em;font-size:16px}
h2{font-size:32px;margin:4px 0;color:var(--n);font-weight:800;line-height:1.4}
.sub{margin:0;color:var(--mute)}
/* result */
.result-sec{background:#fff}
.result{display:grid;grid-template-columns:1.5fr 1fr;gap:28px;align-items:start}
.pr-card{background:var(--cream);border-radius:24px;padding:24px 28px;box-shadow:0 6px 0 var(--v),0 18px 40px rgba(31,53,87,.1);border:2px solid #f3e3d6}
.pr-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.tag{background:var(--v);color:#fff;font-weight:700;font-size:14px;padding:2px 12px;border-radius:999px}
.tag.t2{background:var(--n)}
.count{margin-left:auto;color:var(--mute);font-weight:700}
.count b{color:var(--v);font-size:22px}
.pr-text{margin:14px 0 18px;font-size:17px;line-height:1.95;background:repeating-linear-gradient(transparent 0 32px,#f0e0d2 32px 33px);background-position:0 -1px}
.pr-act{display:flex;gap:10px;flex-wrap:wrap}
.btn-copy{min-height:48px;padding:0 24px;border:0;border-radius:14px;background:var(--n);color:#fff;font-weight:800;font-size:16px;cursor:pointer;box-shadow:0 3px 0 #0f1f36}
.btn-ghost{min-height:48px;padding:0 20px;border:2px solid var(--n);background:#fff;color:var(--n);border-radius:14px;font-weight:800;font-size:16px;cursor:pointer}
.tips{background:var(--sky);border-radius:24px;padding:22px 24px}
.tips-h{margin:0 0 8px;font-weight:800;font-size:18px;color:var(--n)}
.tips ul{margin:0;padding:0;list-style:none;display:grid;gap:10px}
.tips li{background:#fff;border-radius:14px;padding:10px 14px 10px 40px;position:relative}
.tips li::before{content:"✓";position:absolute;left:14px;top:10px;color:var(--v);font-weight:800}
.tips b{color:var(--v)}
/* agent */
.agent-sec{background:linear-gradient(180deg,var(--cream),#f6ebdd)}
.cmp{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cc{background:#fff;border-radius:24px;padding:24px;box-shadow:0 8px 24px rgba(31,42,36,.08);display:flex;flex-direction:column}
.cc-tag{align-self:flex-start;margin:0;background:var(--sky);color:var(--n);font-weight:700;font-size:16px;padding:2px 12px;border-radius:999px}
.cc-n{font-size:22px;font-weight:800;margin:8px 0;color:var(--n)}
.cc ul{margin:0 0 16px;padding:0;list-style:none;flex:1}
.cc li{border-bottom:1px dashed #e3dccf;padding:6px 0;color:var(--mute)}
.btn-sm{display:flex;align-items:center;justify-content:center;min-height:52px;border-radius:14px;background:var(--v);color:#fff;text-decoration:none;font-weight:800;box-shadow:0 4px 0 var(--v-d)}
.note{font-size:16px;color:var(--mute);margin-top:16px}
/* examples */
.rei-sec{background:#fff}
.rei{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
.rei details{background:var(--cream);border-radius:18px;padding:0 20px;border:2px solid #f3e3d6}
.rei summary{min-height:60px;display:flex;align-items:center;gap:12px;font-weight:800;cursor:pointer;list-style:none;font-size:17px;color:var(--n);flex-wrap:wrap;padding:8px 0}
.rk{background:var(--v);color:#fff;font-size:14px;padding:2px 12px;border-radius:999px}
.rei details p{margin:0 0 18px}
/* tools (dark band) */
.tools-sec{background:var(--n);position:relative}
.tools-sec h2{color:#fff}
.tools-sec .kicker{color:var(--mus)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:#fff;border-radius:24px;padding:20px;text-decoration:none;display:grid;grid-template-columns:96px 1fr;grid-template-rows:auto auto;column-gap:16px;align-items:center;transition:transform .15s;min-height:44px}
.card:hover{transform:translateY(-4px)}
.card img{grid-row:1/3;width:96px;height:96px;border-radius:20px;object-fit:cover;background:var(--cream)}
.ct{margin:0;font-size:20px;font-weight:800;color:var(--n);align-self:end}
.cd{margin:0;color:var(--mute);align-self:start}
.c1,.c5{box-shadow:0 6px 0 var(--v)}.c2,.c4{box-shadow:0 6px 0 var(--mus)}.c3,.c6{box-shadow:0 6px 0 #8fb8e8}
/* steps */
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.steps li{background:#fff;border-radius:24px;padding:16px 16px 24px;position:relative;box-shadow:0 8px 24px rgba(31,42,36,.08)}
.steps img{width:100%;aspect-ratio:2/1;object-fit:cover;border-radius:18px;background:var(--mus-l)}
.st-n{position:absolute;top:4px;left:4px;width:48px;height:48px;border-radius:50%;background:var(--v);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;box-shadow:0 4px 0 var(--v-d)}
.st-t{font-size:20px;font-weight:800;color:var(--n);margin:14px 0 4px}
.steps p{margin:0}
/* faq */
.faq{background:#fff}
.faq details{background:var(--cream);border-radius:18px;margin-bottom:12px;padding:0 20px}
.faq summary{min-height:56px;display:flex;align-items:center;font-weight:800;cursor:pointer;list-style:none;gap:12px;font-size:17px;padding:6px 0}
.faq summary::before{content:"Q";display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:50%;background:var(--v);color:#fff}
summary::-webkit-details-marker{display:none}
.faq details p{margin:0;padding:0 0 18px 44px}
/* footer */
.ft{background:#16263f;color:#e6ebf3;padding:40px 0}
.ft .wrap{display:flex;flex-wrap:wrap;align-items:center;gap:16px 32px}
.ft-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;margin:0}
.ft-links{display:flex;flex-wrap:wrap;gap:4px}
.ft-links a{min-height:44px;display:flex;align-items:center;padding:0 12px;text-decoration:none}
.ft small{margin-left:auto;font-size:14px;opacity:.7}
/* tablet */
@media (max-width:960px){.hero-in{grid-template-columns:1fr}.hero-art{max-width:520px;margin:0 auto}.result{grid-template-columns:1fr}.cards{grid-template-columns:1fr 1fr}.gnav{display:none}.menu-btn{display:block}.rei{grid-template-columns:1fr}}
/* mobile */
@media (max-width:640px){
 .wrap{padding:0 16px}
 .hd .wrap{height:52px}.logo{font-size:17px}.seal{width:32px;height:32px}
 .hero{padding:12px 0 28px}
 .b1{width:170px;height:170px;right:-80px;top:-70px}.b3{display:none}
 .eyebrow{display:none}
 h1{font-size:27px;margin-bottom:4px}
 .lead{font-size:16px;margin-bottom:10px;line-height:1.5}
 .tool{padding:14px;border-radius:20px;gap:10px}
 .fl{font-size:13px;margin-bottom:2px}
 .chips{gap:6px}.chip{padding:0 12px}
 .f textarea{min-height:68px;padding:8px 10px}
 .row{gap:8px}
 .btn{min-height:54px}
 .privacy{line-height:1.4}
 .hero-art{margin-top:8px}
 .art-frame{aspect-ratio:4/3;transform:none}.art-frame img{object-position:center 22%}
 .bd1{left:8px;top:-12px}.bd2{right:8px}
 .ad-728,.ad-336{display:none}.ad-300{display:block}
 .sec{padding:44px 0}
 h2{font-size:24px}
 .pr-card{padding:18px}
 .pr-text{font-size:16px}
 .cmp{grid-template-columns:1fr}
 .cards{grid-template-columns:1fr;gap:14px}
 .card{grid-template-columns:72px 1fr}.card img{width:72px;height:72px}
 .steps{grid-template-columns:1fr}
 .ft small{margin-left:0}
}

/* demo states (?state=loading / ?state=error) */
.btn:disabled{background:#d98a77;box-shadow:0 4px 0 #b86a57;cursor:progress;transform:none}
.spin{width:22px;height:22px;border-radius:50%;border:3px solid rgba(255,255,255,.4);border-top-color:#fff;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@keyframes sh{0%{background-position:100% 0}100%{background-position:-100% 0}}
.skel{display:none;margin:16px 0 20px;gap:12px}
.skel i,.mini-skel i{display:block;height:16px;border-radius:8px;background:linear-gradient(90deg,#f1e6dc 25%,#fbf3ec 50%,#f1e6dc 75%);background-size:200% 100%;animation:sh 1.2s linear infinite}
.skel i.s,.mini-skel i.s{width:60%}
.pr-card.is-loading .skel{display:grid}
.pr-card.is-loading .pr-text{display:none}
.pr-card.is-loading .count b{color:#c9b9ab}
.pr-card.is-loading .pr-act button{opacity:.45;pointer-events:none}
.state-box:empty{display:none}
.mini-skel{display:grid;gap:8px;background:var(--cream);border-radius:14px;padding:12px}
.err{background:#fff1ee;border:2px solid #f0b4a6;border-radius:14px;padding:12px 14px;display:grid;gap:10px}
.err p{margin:0;color:var(--v-d);font-weight:700;line-height:1.6}
.btn-retry{min-height:48px;border:2px solid var(--v);background:#fff;color:var(--v);border-radius:12px;font-weight:800;font-size:16px;cursor:pointer}
.pr-act .btn-ghost{display:inline-flex;align-items:center;text-decoration:none}
.tips-note{margin:12px 0 0;color:var(--mute)}

/* Interaction-only additions; the accepted design stays intact. */
[hidden]{display:none!important}
.field-error{color:#b22e24;font-size:12px;line-height:1.5;margin:5px 0}
.pr-text{white-space:pre-wrap;overflow-wrap:anywhere}
.tips li{overflow-wrap:anywhere}
button:disabled{cursor:wait}
@media(max-width:767px){.gnav.is-open{display:flex;position:absolute;top:64px;left:0;right:0;background:#fff;flex-direction:column;padding:20px;z-index:20}}

.verification-note { margin: 0 0 20px; color: #555; font-size: 14px; line-height: 1.8; }