:root{--g:#0f5a6e;--g2:#1b7a8f;--mint:#d6eef1;--coral:#f2836b;--coral-l:#ffe3da;--mus:#f2b84b;--mus-l:#fff0cc;--cream:#fff8ec;--ink:#1c2b30;--mute:#56666b}
*{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}
.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(15,90,110,.08)}
.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(--g);min-height:44px}
.seal{display:grid;place-items:center;width:36px;height:36px;border-radius:12px;background:var(--g);color:#fff;font-family:"Noto Serif JP",serif;font-size:19px;box-shadow:inset 0 -3px 0 var(--mus)}
.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}
.gnav a:hover{background:var(--mint)}
.menu-btn{display:none;margin-left:auto;width:44px;height:44px;border:0;background:var(--mint);border-radius:12px}
.menu-btn span,.menu-btn span::before,.menu-btn span::after{display:block;width:20px;height:2px;background:var(--g);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,#dff1f3 0%,#fff3dc 55%,#ffe2d6 100%);padding:20px 0 44px}
.blob{position:absolute;border-radius:50%;pointer-events:none}
.b1{width:540px;height:540px;right:-120px;top:-150px;background:var(--g);opacity:.95;border-radius:46% 54% 60% 40%/50% 45% 55% 50%}
.b2{width:260px;height:260px;right:400px;bottom:-130px;background:var(--mus);opacity:.85}
.b3{width:140px;height:140px;left:-50px;top:240px;background:var(--coral);opacity:.5}
.hero-in{position:relative;display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr);gap:40px;align-items:center}
.eyebrow{display:flex;gap:8px;margin:0 0 6px;flex-wrap:wrap}
.eyebrow span{background:#fff;color:var(--g);font-weight:700;font-size:14px;padding:3px 12px;border-radius:999px;box-shadow:0 2px 0 rgba(15,90,110,.15)}
h1{font-size:40px;line-height:1.3;margin:0 0 8px;font-weight:800;color:var(--g);letter-spacing:.02em}
h1 em{font-style:normal;background:linear-gradient(transparent 62%,var(--mus) 62%);padding:0 2px}
.lead{margin:0 0 10px;font-size:17px;color:var(--mute);font-weight:500}
.tool{background:#fff;border-radius:24px;padding:16px 20px;box-shadow:0 18px 40px rgba(15,90,110,.18),0 4px 0 var(--g);position:relative;z-index:2}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:6px 12px}
.f{display:flex;flex-direction:column;gap:2px;min-width:0}
.f.full{grid-column:1/-1}
.fl{font-size:14px;font-weight:700;color:var(--g)}
.f input,.f select,.f textarea{font:inherit;font-size:16px;min-height:44px;height:44px;border:2px solid #dfe8ea;border-radius:12px;padding:0 12px;background:#fbfdfd;width:100%;min-width:0;color:var(--ink)}
.f textarea{height:auto;padding:8px 12px;line-height:1.5;resize:vertical}
.f input:focus,.f select:focus,.f textarea:focus{outline:none;border-color:var(--g2);background:#fff}
.period{display:flex;align-items:center;gap:8px}
.period i{font-style:normal;color:var(--mute)}
.btn{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;margin-top:12px;min-height:52px;border:0;border-radius:16px;background:var(--coral);color:#fff;font:inherit;font-weight:800;font-size:18px;cursor:pointer;box-shadow:0 4px 0 #c95d47}
.btn:hover{transform:translateY(-1px)}
.arw{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#fff;color:var(--coral);font-size:16px}
.privacy{margin:6px 0 0;font-size:16px;line-height:1.5;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(28,43,48,.25);border:6px solid #fff;transform:rotate(1.5deg);background:#fff6e6}
.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(28,43,48,.18);font-size:16px}
.badge b{color:var(--coral);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,#eef0ec,#eef0ec 10px,#e6e9e4 10px,#e6e9e4 20px);border:1px dashed #c3cbc8;border-radius:8px;max-width:calc(100% - 32px)}
.ad span{position:absolute;top:4px;left:8px;font-size:12px;color:#7d8784}
.ad-top{width:728px;height:90px}
.ad-mid{width:336px;height:280px}
/* sections */
.sec{padding:64px 0}
.sec-h{text-align:center;margin-bottom:32px}
.kicker{margin:0;font-weight:800;color:var(--coral);letter-spacing:.2em;font-size:16px}
h2{font-size:32px;margin:4px 0;color:var(--g);font-weight:800;line-height:1.4}
.sub{margin:0;color:var(--mute)}
/* result */
.result-sec{background:#fff}
.result{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.paper-stage{position:relative;padding:30px 0;display:grid;place-items:center}
.ring{position:absolute;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle at 30% 30%,var(--mint),#b6dde3);max-width:100%;top:50%;left:50%;transform:translate(-50%,-50%)}
.ring::after{content:"";position:absolute;width:120px;height:120px;border-radius:50%;background:var(--mus);right:-10px;bottom:20px;opacity:.9}
.paper{position:relative;z-index:2;width:520px;max-width:100%;min-height:735px;background:#fffefb;border-radius:6px;padding:36px 34px;font-family:"Noto Serif JP",serif;font-size:16px;line-height:1.8;transform:rotate(-2deg);box-shadow:0 30px 50px rgba(28,43,48,.28),0 4px 10px rgba(28,43,48,.12)}
.paper p{margin:0}
.p-title{font-size:26px;font-weight:700;letter-spacing:.4em;text-align:center;margin-bottom:6px!important}
.p-meta{text-align:right;margin-bottom:10px!important}
.p-h{font-weight:700;color:var(--g);border-bottom:2px solid var(--g);margin:14px 0 6px!important}
.p-tb{width:100%;border-collapse:collapse;font-size:16px}
.p-tb th{background:var(--mint);color:var(--g);font-weight:700;font-size:16px;padding:4px 8px;border:1px solid #b9d5da}
.p-tb td{border:1px solid #b9d5da;padding:6px 8px;vertical-align:top}
.p-tb td:first-child{width:7.5em;white-space:nowrap}
.p-ul{margin:0;padding-left:1.3em}
.p-end{text-align:right;margin-top:10px!important}
.ba{display:grid;gap:14px}
.ba-card{border-radius:20px;padding:20px 22px}
.ba-k{margin:0 0 6px;font-weight:800;font-size:16px;letter-spacing:.08em}
.before{background:var(--mus-l);transform:rotate(-1.5deg)}
.before .ba-k{color:#a06f00}
.memo{margin:0;font-size:18px;line-height:1.8;color:#5a4a2a;background:repeating-linear-gradient(transparent 0 31px,#ecd59d 31px 32px);font-weight:500}
.ba-arrow{justify-self:center;width:48px;height:48px;border-radius:50%;background:var(--coral);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;transform:rotate(90deg)}
.after{background:var(--g);color:#fff}
.after .ba-k{color:var(--mus)}
.after ul{margin:0;padding:0;list-style:none}
.after li{padding-left:28px;position:relative;font-weight:500}
.after li::before{content:"✓";position:absolute;left:0;color:var(--mus);font-weight:800}
.actions{display:flex;gap:12px;justify-content:center;margin-top:32px;flex-wrap:wrap}
.actions .btn{width:auto;margin:0;padding:0 32px;min-height:52px}
.btn-ghost{min-height:52px;padding:0 24px;border:2px solid var(--g);background:#fff;color:var(--g);border-radius:16px;font:inherit;font-weight:800;font-size:16px;cursor:pointer}
.toast{text-align:center;min-height:1.75em;margin:8px 0 0;color:var(--g);font-weight:700}
/* agent */
.agent-sec{background:linear-gradient(180deg,var(--cream),#f2ecdf)}
.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(28,43,48,.08);position:relative;border-top:6px solid var(--g)}
.cc:nth-child(2){border-top-color:var(--coral)}.cc:nth-child(3){border-top-color:var(--mus)}
.cc-tag{display:inline-block;margin:0;background:var(--mint);color:var(--g);font-weight:700;font-size:16px;padding:2px 12px;border-radius:999px}
.cc-n{font-size:22px;font-weight:800;margin:8px 0 8px;color:var(--ink)}
.cc ul{margin:0 0 16px;padding-left:1.2em;color:var(--mute)}
.btn-sm{display:flex;align-items:center;justify-content:center;min-height:48px;border-radius:14px;border:2px solid var(--g);text-decoration:none;font-weight:800;color:var(--g)}
.btn-sm.solid{background:var(--coral);border-color:var(--coral);color:#fff;box-shadow:0 4px 0 #c95d47}
.note{font-size:16px;color:var(--mute);margin-top:16px}
/* examples */
.ex-sec{background:#fff}
.exs{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.ex{background:var(--cream);border-radius:20px;padding:22px;border-left:6px solid var(--mus)}
.ex:nth-child(2){border-left-color:var(--coral)}.ex:nth-child(3){border-left-color:var(--g2)}
.ex-k{margin:0 0 6px!important;font-weight:800;color:var(--g);font-size:18px}
.ex p{margin:0}
/* tools */
.tools-sec{background:var(--g);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}
.ct{margin:0;font-size:20px;font-weight:800;color:var(--g);align-self:end}
.cd{margin:0;color:var(--mute);align-self:start}
.c1,.c5{box-shadow:0 6px 0 var(--coral)}.c2,.c4{box-shadow:0 6px 0 var(--mus)}.c3,.c6{box-shadow:0 6px 0 #7fcad6}
/* 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(28,43,48,.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(--coral);color:#fff;display:grid;place-items:center;font-size:22px;font-weight:800;box-shadow:0 4px 0 #c95d47}
.st-t{font-size:20px;font-weight:800;color:var(--g);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}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q";display:grid;place-items:center;flex:none;width:32px;height:32px;border-radius:50%;background:var(--g);color:#fff}
.faq details p{margin:0;padding:0 0 18px 44px}
/* footer */
.ft{background:#0a3d4b;color:#e3f0f2;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}
@media print{.hd,.hero,.ad,.ba,.actions,.agent-sec,.ex-sec,.tools-sec,.how-sec,.faq,.ft,.sec-h,.ring{display:none!important}.result-sec{padding:0}.paper{transform:none;box-shadow:none;width:100%}}
.p-ph{color:#8a9599}
.hints{background:var(--mus-l);border:2px dashed #e7c574}
.hints .ba-k{color:#a06f00}
.hints ul{margin:0;padding-left:1.2em}
.hints li{margin:4px 0}
/* demo states (?state=loading / ?state=error) */
[hidden]{display:none!important}
.btn:disabled{background:#9fb9c0;box-shadow:0 4px 0 #7f9ba3;cursor:wait;transform:none}
.spin{width:22px;height:22px;border-radius:50%;border:3px solid rgba(255,255,255,.45);border-top-color:#fff;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@keyframes sh{0%{background-position:-200px 0}100%{background-position:200px 0}}
.sk{display:block;height:14px;border-radius:8px;margin:8px 0;background:linear-gradient(90deg,#e6eef0 0,#f5f9fa 50%,#e6eef0 100%);background-size:400px 100%;animation:sh 1.2s linear infinite}
.sk.w40{width:40%}.sk.w60{width:60%}.sk.w70{width:70%}.sk.w85{width:85%}.sk.c{margin:6px auto 14px;height:22px}.sk.r{margin-left:auto}.sk.h{width:35%;height:16px;margin-top:22px;background:linear-gradient(90deg,#cfe3e7 0,#e7f2f4 50%,#cfe3e7 100%);background-size:400px 100%}.sk.tb{height:80px}
.state-box{margin-top:12px;background:var(--mint);border-radius:14px;padding:10px 14px}
.sk-k{margin:0;font-weight:700;color:var(--g)}
.paper-sk{min-height:735px}
.err{margin-top:12px;background:#fff0ec;border:2px solid var(--coral);border-radius:14px;padding:12px 14px}
.err-m{margin:0 0 8px;color:#a8432e;font-weight:700;line-height:1.6}
.btn-retry{min-height:48px;width:100%;border:2px solid var(--coral);background:#fff;color:#c95d47;border-radius:12px;font:inherit;font-weight:800;font-size:16px;cursor:pointer}
/* tablet */
@media (max-width:960px){.hero-in{grid-template-columns:1fr}.hero-art{max-width:520px;margin:0 auto}.result{grid-template-columns:minmax(0,1fr)}.paper-stage{min-width:0;width:100%}.cards{grid-template-columns:1fr 1fr}.exs{grid-template-columns:1fr}.gnav{display:none}.menu-btn{display:block}}
/* 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:26px;margin-bottom:4px}
 .lead{font-size:16px;margin-bottom:10px;line-height:1.5}
 .tool{padding:14px;border-radius:20px}
 .grid{gap:6px 8px}
 .fl{font-size:13px}
 .f input,.f select{padding:0 8px}
 .f textarea{padding:8px}
 .btn{margin-top:12px;min-height:54px}
 .privacy{margin-top:6px;line-height:1.4}
 .hero-art{margin-top:8px}
 .art-frame{aspect-ratio:4/3;transform:none}.art-frame img{object-position:center 30%}
 .bd1{left:8px;top:-12px}.bd2{right:8px}
 .ad-top,.ad-mid{width:300px;height:250px}
 .sec{padding:44px 0}
 h2{font-size:24px}
 .paper-stage{padding:16px 0}.ring{width:320px;height:320px}
 .paper-sk{min-height:440px}
 .paper{width:100%;min-height:0;padding:22px 16px;transform:rotate(-1deg)}
 .p-title{font-size:21px}
 .p-tb td{padding:6px}.p-tb td:first-child{width:6em}
 .cmp{grid-template-columns:1fr;gap:16px}
 .cards{grid-template-columns:1fr;gap:14px}
 .card{grid-template-columns:72px 1fr}.card img{width:72px;height:72px}
 .steps{grid-template-columns:1fr}
 .actions{flex-direction:column}.actions .btn,.btn-ghost{width:100%}
 .ft small{margin-left:0}
}
.f input::placeholder,.f textarea::placeholder{color:#8f9b9f;opacity:1}
/* Behavior additions; the accepted layout remains unchanged. */
.field-error{color:#a8432e;font-size:13px}
[aria-invalid="true"]{border-color:var(--coral)!important}
#o-work,#o-sum,#o-pr{white-space:pre-line}
.paper{overflow-wrap:anywhere}
.p-tb{table-layout:fixed}
.p-tb th:first-child{width:7.5em}
.p-tb td:first-child{white-space:normal}
@media(max-width:640px){.p-tb th:first-child{width:6em}}
@media(max-width:960px){.gnav.is-open{display:flex;position:absolute;top:100%;left:0;right:0;flex-wrap:wrap;background:white;padding:12px}}
@page{size:A4;margin:15mm}
@media print{
 html,body{background:#fff;overflow:visible}
 body>*:not(main),main>*:not(#result),#result .sec-h,#result .result-notice,#result .ba,#result .actions,#result .toast,.ring,#paper-sk{display:none!important}
 #result,#result .wrap,.result,.paper-stage{display:block;padding:0;margin:0;max-width:none;width:100%}
 #paper{display:block!important;width:100%;max-width:none;min-height:0;padding:0;transform:none;border-radius:0;box-shadow:none;background:white;font-size:11pt}
 .p-h{break-after:avoid}.p-tb tr{break-inside:avoid}
}