:root{
  --bg:#FAFAF7; --ink:#1C2430; --muted:#5B6573; --navy:#17335E; --navy-d:#0F2447;
  --cta:#D9622B; --cta-d:#BF5320; --soft:#EEF1F5; --line:#DDE2E9; --white:#fff;
  --font:"Noto Sans JP",system-ui,-apple-system,"Hiragino Sans",sans-serif;
  --num:"Inter","Noto Sans JP",system-ui,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);font-size:16px;line-height:1.9;-webkit-text-size-adjust:100%;padding-bottom:76px;word-break:auto-phrase;overflow-wrap:anywhere}
img,svg{max-width:100%;height:auto}
a{color:var(--navy)}
.wrap{max-width:1040px;margin:0 auto;padding:0 20px}
.narrow{max-width:720px}
section{padding:56px 0}
.alt{background:var(--soft)}
.dark{background:var(--navy);color:#fff}
.dark a{color:#fff}
h1,h2,h3{line-height:1.45;margin:0 0 .6em;font-weight:700;letter-spacing:.01em}
h1{font-size:clamp(1.75rem,6.4vw,2.9rem)}
h2{font-size:clamp(1.4rem,4.6vw,2rem)}
h3{font-size:1.1rem}
p{margin:0 0 1em}
.eyebrow{font-family:var(--num);font-weight:700;font-size:.78rem;letter-spacing:.14em;color:var(--cta);text-transform:uppercase;margin-bottom:10px}
.dark .eyebrow{color:#F2A27D}
.lead{font-size:1.05rem;color:var(--muted)}
.dark .lead{color:#D5DCE8}
.sec-head{margin-bottom:28px}

/* header */
.site-header{position:sticky;top:0;z-index:20;background:rgba(250,250,247,.96);border-bottom:1px solid var(--line);backdrop-filter:blur(6px)}
.header-in{display:flex;align-items:center;justify-content:space-between;height:60px}
.logo{font-family:var(--num);font-weight:800;font-size:1.15rem;color:var(--navy);text-decoration:none;letter-spacing:-.01em}
.logo span{color:var(--cta)}
.gnav{display:none;position:absolute;top:60px;left:0;right:0;background:var(--bg);border-bottom:1px solid var(--line);padding:8px 20px 20px;flex-direction:column}
.gnav.open{display:flex}
.gnav a{padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:500}
.gnav a[aria-current]{color:var(--navy);font-weight:700}
.gnav .nav-cta{margin-top:16px;border:0;text-align:center;color:#fff}
.menu-btn{background:none;border:1px solid var(--line);border-radius:8px;padding:8px 14px;font:inherit;font-size:.9rem;color:var(--ink);cursor:pointer}
@media(min-width:820px){
  .gnav{display:flex;position:static;flex-direction:row;align-items:center;gap:26px;padding:0;border:0;background:none}
  .gnav a{padding:0;border:0;font-size:.95rem}
  .gnav .nav-cta{margin:0}
  .menu-btn{display:none}
}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:12px 26px;border-radius:8px;font:inherit;font-weight:700;text-decoration:none;border:2px solid transparent;cursor:pointer;line-height:1.4;text-align:center}
.btn-sm{min-height:42px;padding:8px 18px;font-size:.9rem}
.btn-cta{background:var(--cta);color:#fff}
.btn-cta:hover{background:var(--cta-d)}
.btn-line{background:transparent;color:var(--navy);border-color:var(--navy)}
.dark .btn-line{color:#fff;border-color:#fff}
.btn-row{display:flex;flex-direction:column;gap:12px;margin-top:24px}
@media(min-width:560px){.btn-row{flex-direction:row}}
.cta-bar{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:rgba(250,250,247,.97);border-top:1px solid var(--line)}
.cta-bar .btn{width:100%}
.cta-bar.hide{display:none}
@media(min-width:820px){.cta-bar{display:none}body{padding-bottom:0}}

/* hero */
.hero{padding:48px 0 56px}
.hero .sub{font-size:1.05rem;color:var(--muted);max-width:620px}
.hero-tag{display:inline-block;font-size:.82rem;font-weight:500;background:var(--soft);border-radius:999px;padding:4px 14px;margin-bottom:18px;color:var(--navy)}

/* stat */
.stat{text-align:center}
.stat-num{font-family:var(--num);font-weight:800;line-height:1.1;letter-spacing:-.03em;font-size:clamp(2.6rem,13vw,5.6rem);margin:6px 0 10px}
.stat-num small{font-size:.38em;font-weight:700;letter-spacing:0;margin:0 .15em}
.stat-num .arrow{color:#F2A27D;font-size:.7em;margin:0 .1em}
.stat-cap{font-size:1.05rem;margin:0}
.stat-sub{font-size:.92rem;color:#D5DCE8;margin-top:6px}

/* lists / cards */
.checks{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.checks li{background:var(--white);border:1px solid var(--line);border-radius:10px;padding:14px 16px 14px 46px;position:relative}
.checks li::before{content:"";position:absolute;left:16px;top:50%;width:14px;height:8px;border-left:3px solid var(--navy);border-bottom:3px solid var(--navy);transform:translateY(-70%) rotate(-45deg)}
@media(min-width:640px){.checks{grid-template-columns:1fr 1fr}}
.grid{display:grid;gap:16px}
@media(min-width:720px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--white);border:1px solid var(--line);border-radius:12px;padding:22px}
.card h3{margin-bottom:.4em}
.card .num{font-family:var(--num);font-weight:800;color:var(--cta);font-size:.85rem;letter-spacing:.1em}
.card .more{font-weight:700;text-decoration:none;font-size:.95rem}
.badge{display:inline-block;font-size:.75rem;font-weight:700;padding:2px 10px;border-radius:999px;background:var(--soft);color:var(--navy);margin-bottom:8px}
.badge-wip{background:#FFF1E8;color:var(--cta-d)}
.kpi{font-family:var(--num);font-weight:800;color:var(--navy);font-size:1.7rem;line-height:1.2;margin:4px 0 8px}
.kpi small{font-size:.55em;font-weight:700}

/* process */
.steps{list-style:none;padding:0;margin:0;display:grid;gap:12px;counter-reset:s}
.steps li{counter-increment:s;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:16px 18px 16px 64px;position:relative}
.steps li::before{content:counter(s);position:absolute;left:18px;top:14px;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;font-family:var(--num);font-weight:800;display:grid;place-items:center}
.steps strong{display:block}
.steps span{color:var(--muted);font-size:.93rem}

/* case detail */
.case{padding:32px 0;border-bottom:1px solid var(--line)}
.case:last-of-type{border:0}
.case dl{margin:16px 0 0;display:grid;gap:12px}
.case dt{font-weight:700;font-size:.82rem;color:var(--cta);letter-spacing:.08em}
.case dd{margin:0}
.beforeafter{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-family:var(--num);font-weight:800;color:var(--navy);font-size:clamp(1.6rem,7vw,2.6rem);margin:8px 0 16px}
.beforeafter .arrow{color:var(--cta)}

/* plans */
.plan{display:flex;flex-direction:column}
.plan .price{font-family:var(--num);font-weight:800;font-size:1.9rem;color:var(--navy);margin:6px 0 12px}
.plan .price small{font-size:.5em;font-weight:700}
.plan ul{padding-left:1.2em;margin:0 0 16px}
.plan .btn{margin-top:auto}
.plan-main{border:2px solid var(--cta);position:relative}
.plan-main .flag{position:absolute;top:-13px;left:18px;background:var(--cta);color:#fff;font-size:.75rem;font-weight:700;padding:2px 12px;border-radius:999px}

/* profile */
.prof{padding:0;list-style:none;display:grid;gap:8px}
.prof li{padding:10px 14px;background:var(--white);border:1px solid var(--line);border-radius:8px}

/* form */
.form{display:grid;gap:18px}
.field label{display:block;font-weight:700;font-size:.92rem;margin-bottom:6px}
.field .opt{font-weight:400;color:var(--muted);font-size:.8rem;margin-left:6px}
input[type=text],input[type=email],select,textarea{width:100%;font:inherit;font-size:16px;padding:12px 14px;border:1px solid #B8C0CC;border-radius:8px;background:#fff;color:var(--ink)}
textarea{min-height:150px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid #BBD0F0;border-color:var(--navy)}
.check{display:flex;gap:10px;align-items:flex-start;font-size:.92rem}
.check input{margin-top:6px;width:18px;height:18px}
.hp{position:absolute;left:-9999px;opacity:0}
.form-msg{padding:14px 16px;border-radius:8px;display:none}
.form-msg.ok{display:block;background:#E8F4EC;color:#14532D}
.form-msg.err{display:block;background:#FDECEA;color:#7A1F16}

/* footer */
.site-footer{background:var(--navy-d);color:#C9D2E0;padding:40px 0 20px;font-size:.9rem}
.foot-in{display:grid;gap:24px}
.logo-foot{color:#fff;margin:0 0 8px;display:block}
.foot-note{margin:0;line-height:1.8}
.foot-links{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}
.foot-links a{color:#C9D2E0;text-decoration:none}
.copy{margin-top:28px;font-size:.8rem;color:#8E9BB3}
@media(min-width:820px){.foot-in{grid-template-columns:1.2fr 1fr}}

/* prose (privacy) */
.prose h2{font-size:1.2rem;margin-top:2em}
.prose ul{padding-left:1.3em}
.page-head{padding:44px 0 8px}
.crumb{font-size:.82rem;color:var(--muted)}
.note{font-size:.85rem;color:var(--muted)}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

/* case screenshots */
.shots{display:grid;gap:16px;margin-top:20px;grid-template-columns:1fr}
.shots figure{margin:0}
.shots img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
.shots figcaption{font-size:.85rem;color:var(--muted);margin-top:6px;text-align:center}
.shot-note{margin-top:8px}
.wide-shot{grid-template-columns:1fr}
@media(min-width:640px){.shots{grid-template-columns:1fr 1fr}.shots.one,.wide-shot{grid-template-columns:1fr;max-width:560px}.wide-shot{max-width:none}}
.card .thumb{display:block;width:100%;height:150px;object-fit:cover;object-position:top;border:1px solid var(--line);border-radius:8px;margin:0 0 12px}
.btn{white-space:nowrap}
.gnav .nav-cta{padding:8px 16px}

/* reviews */
.rv-score{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-bottom:22px}
.rv-big{font-family:var(--num);font-weight:800;font-size:2.6rem;line-height:1;color:var(--navy)}
.rv-big small{font-size:.4em;margin-left:2px}
.rv-stars{color:#F4A300;letter-spacing:.08em;font-size:1rem}
.rv-stars.big{font-size:1.4rem}
.rv-sub{color:var(--muted);font-size:.9rem}
.reviews{display:grid;gap:14px}
@media(min-width:720px){.reviews{grid-template-columns:1fr 1fr;align-items:start}}
.review{margin:0;background:var(--white);border:1px solid var(--line);border-radius:12px;padding:18px 20px}
.rv-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}
.rv-date{font-size:.82rem;color:var(--muted)}
.review blockquote{margin:0;font-size:.95rem;line-height:1.85}
.rv-more{margin-top:16px}
.rv-more summary{cursor:pointer;font-weight:700;color:var(--navy);padding:12px 0;list-style:none}
.rv-more summary::before{content:"＋ "}
.rv-more[open] summary::before{content:"－ "}
.rv-more .reviews{margin-top:10px}