:root{--navy:#1f3a5f;--navy-d:#152a46;--teal:#2f7f86;--teal-l:#e3f0f1;--gold:#b98f45;--bg:#f6f4ef;--card:#fff;--ink:#26303b;--mute:#66707c;--line:#dcd8cf;--err:#a3342c;--errbg:#fbeceb}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Noto Sans JP","Meiryo",sans-serif;line-height:1.85;font-size:16px}
a{color:var(--teal)}
.wrap{max-width:980px;margin:0 auto;padding:0 20px}
header.site{background:var(--navy);color:#fff}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:68px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand svg{width:40px;height:40px;flex:none}
.brand b{font-size:1.28rem;letter-spacing:.08em;font-weight:600}
.brand small{display:block;font-size:.68rem;letter-spacing:.14em;color:#b9c7da;font-weight:400;margin-top:-2px}
nav.main a{color:#dbe5f2;text-decoration:none;margin-left:22px;padding:6px 0;border-bottom:2px solid transparent;font-size:.95rem}
nav.main a:hover,nav.main a[aria-current]{color:#fff;border-color:var(--gold)}
.hero{background:linear-gradient(135deg,var(--navy) 0%,#2b5278 100%);color:#fff;padding:56px 0 60px}
.hero .eyebrow{letter-spacing:.2em;font-size:.78rem;color:#cdb98a;margin:0 0 10px}
.hero h1{font-size:clamp(1.5rem,4.2vw,2.15rem);line-height:1.5;margin:0 0 20px;font-weight:600}
.hero p{max-width:40em;margin:0 0 28px;color:#e9eef5}
.btn{display:inline-block;background:var(--gold);color:#1b2433;border:0;border-radius:6px;padding:14px 30px;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;letter-spacing:.04em}
.btn:hover{background:#c9a257}
.btn.sec{background:#fff;color:var(--navy);border:1px solid var(--navy)}
.btn.sec:hover{background:var(--teal-l)}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:26px 28px;margin:26px 0}
.profile{display:flex;gap:18px;align-items:flex-start}
.profile .mark{flex:none;width:46px;height:46px;border-radius:50%;background:var(--teal-l);display:grid;place-items:center}
.profile p{margin:0}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin:24px 0 0;padding:0;list-style:none}
.steps li{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;font-size:.95rem}
.steps li b{display:block;color:var(--teal);font-size:.8rem;letter-spacing:.12em}
main{padding-bottom:40px}
h2.pt{font-size:1.45rem;color:var(--navy);margin:34px 0 6px}
.lead{color:var(--mute);margin:0 0 6px}
fieldset{border:0;margin:0;padding:0}
.card h3{margin:0 0 14px;font-size:1.05rem;color:var(--navy);border-left:4px solid var(--gold);padding-left:10px}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 22px}
.f{display:flex;flex-direction:column;gap:4px}
.f.full{grid-column:1/-1}
label.l{font-weight:600;font-size:.93rem}
.req{color:var(--err);font-size:.75rem;margin-left:6px;font-weight:600}
.opt{color:var(--mute);font-size:.75rem;margin-left:6px;font-weight:400}
.hint{color:var(--mute);font-size:.8rem;line-height:1.55}
input[type=text],input[type=number],select{width:100%;padding:10px 12px;border:1px solid #bdb8ad;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
.unit{position:relative}.unit input{padding-right:2.6em;text-align:right}.unit span{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--mute);font-size:.85rem;pointer-events:none}
.radios{display:flex;gap:18px;padding:8px 0}.radios label{display:flex;align-items:center;gap:6px}
.calc{background:var(--teal-l);border-radius:6px;padding:10px 14px;font-size:.92rem;display:flex;gap:26px;flex-wrap:wrap}
.calc b{font-variant-numeric:tabular-nums}
.errbox{background:var(--errbg);border:1px solid #e3b3af;color:var(--err);border-radius:8px;padding:12px 18px;margin:18px 0}
.errbox ul{margin:0;padding-left:1.2em}
.actions{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:6px 0 0}
.note{font-size:.84rem;color:var(--mute)}
/* 結果 */
#result{display:none}
.proposal{background:#fff;border:1px solid var(--line);border-top:5px solid var(--navy);border-radius:10px;padding:30px 34px;margin:20px 0}
.proposal h2{margin:0 0 4px;text-align:center;font-size:1.4rem;color:var(--navy)}
.proposal .date{text-align:center;color:var(--mute);font-size:.85rem;margin:0 0 20px}
.proposal dl{display:grid;grid-template-columns:9em 1fr;gap:8px 16px;margin:0 0 6px;max-width:640px;margin-inline:auto}
.proposal dt{color:var(--mute);text-align:right}.proposal dd{margin:0}
table.pay{width:100%;max-width:640px;margin:14px auto;border-collapse:collapse}
table.pay th,table.pay td{padding:11px 14px;border-bottom:1px solid var(--line);text-align:left}
table.pay th{font-weight:500;color:var(--mute)}
table.pay td{text-align:right;font-weight:700;font-size:1.12rem;font-variant-numeric:tabular-nums}
table.pay tr.grp th{background:var(--teal-l);color:var(--navy);font-weight:700;font-size:.9rem;border:0}
table.pay small{font-weight:400;color:var(--mute);font-size:.78rem;display:block}
.cond{max-width:640px;margin:10px auto 0}
.cond h4{margin:12px 0 4px;color:var(--navy)}
.cond ul{margin:0;padding-left:1.2em}
.expl{background:#fbfaf6;border:1px solid var(--line);border-radius:8px;padding:16px 20px;margin-top:22px;font-size:.9rem}
.expl h4{margin:0 0 8px;color:var(--navy)}.expl p{margin:0 0 8px}
.src{font-size:.78rem;color:var(--mute);margin-top:14px}
footer.site{background:var(--navy-d);color:#aebccd;font-size:.82rem;padding:26px 0;margin-top:40px}
footer.site p{margin:4px 0}
@media(max-width:700px){.grid{grid-template-columns:1fr}.steps{grid-template-columns:1fr}.profile{flex-direction:column}.card{padding:20px 18px}.proposal{padding:22px 16px}.proposal dl{grid-template-columns:1fr}.proposal dt{text-align:left}nav.main a{margin:0 16px 0 0}}
@media print{header.site,footer.site,.noprint,#form,.hero{display:none!important}body{background:#fff}.proposal{border:0;box-shadow:none;margin:0;padding:0}.wrap{max-width:none}}
/* お問い合わせ */
textarea{width:100%;min-height:200px;padding:10px 12px;border:1px solid #bdb8ad;border-radius:6px;font:inherit;background:#fff;color:var(--ink);resize:vertical;line-height:1.7}
textarea:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
input[type=email]{width:100%;padding:10px 12px;border:1px solid #bdb8ad;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
input[type=email]:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:var(--teal)}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
.okbox{background:var(--teal-l);border:1px solid #b7d6d9;color:#1e5a60;border-radius:8px;padding:18px 22px;margin:22px 0}
.okbox b{display:block;font-size:1.05rem;margin-bottom:4px}
.privacy{background:#fbfaf6;border:1px solid var(--line);border-radius:8px;padding:14px 18px;font-size:.86rem;color:var(--mute);margin-top:6px}
.privacy h4{margin:0 0 6px;color:var(--navy);font-size:.92rem}
.privacy ul{margin:0;padding-left:1.2em}
.check{display:flex;gap:10px;align-items:flex-start;margin:14px 0 4px}
.check input{margin-top:.45em;width:18px;height:18px;flex:none}
/* 説明ページ */
.doc p{margin:0 0 12px}.doc p:last-child{margin-bottom:0}
.doc ul{margin:0 0 12px;padding-left:1.3em}.doc li{margin-bottom:8px}
.cta{background:var(--teal-l);border-color:#b7d6d9}.cta p{margin:0}