:root{
  --ink:#0d1017;--paper:#f7f8fa;--card:#ffffff;--line:#e2e6ee;
  --teal:#1fc3b0;--teal2:#0e9c8e;--darkteal:#0b6e63;--mut:#5c6470;--maxw:1100px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{background:var(--paper);color:var(--ink);font-family:"Hiragino Kaku Gothic ProN","Yu Gothic","Noto Sans JP",system-ui,sans-serif;line-height:1.78}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 26px}
ul.list{margin:16px 0 0 22px}
ul.list li{margin-bottom:9px}
code{background:#eef2f5;padding:2px 7px;border-radius:6px;font-size:.88em;color:var(--darkteal)}

/* header — minimal */
header.site{position:sticky;top:0;z-index:50;background:#fff;border-bottom:1px solid var(--line)}
.top{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem}
.logo .mark{width:32px;height:32px;background:var(--teal);clip-path:polygon(25% 0,100% 0,100% 100%,25% 100%,0 50%);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:.95rem}
.logo .word b{color:var(--darkteal)}
nav.main{display:flex;gap:22px;align-items:center;font-size:.92rem;color:#3a424e;font-weight:600}
nav.main a{padding:6px 0;border-bottom:2px solid transparent}
nav.main a:hover,nav.main a.active{color:var(--darkteal);border-color:var(--teal)}
.nav-toggle{display:none;background:none;border:0;font-size:1.7rem;color:var(--ink);cursor:pointer}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:12px 28px;border-radius:12px;font-weight:800;font-size:.92rem;box-shadow:0 6px 18px rgba(31,195,176,.28);transition:transform .15s,box-shadow .15s}
.btn:hover{transform:translateY(-2px)}
.btn.ghost{background:#fff;color:var(--darkteal);border:1.5px solid var(--teal);box-shadow:none}
.btn.dark{background:#0b6e63}
.btn.sm{padding:8px 18px;font-size:.86rem}

/* hero — search box themed */
.hero{padding:78px 0 64px;background:
  radial-gradient(circle at 88% 10%, #dff6f2 0, transparent 50%),
  radial-gradient(circle at 10% 88%, #e7f0f7 0, transparent 50%),
  #fff;text-align:center}
.hero .eyebrow{display:inline-block;color:var(--darkteal);font-weight:800;letter-spacing:.18em;font-size:.76rem;border:1px solid var(--line);background:#fff;padding:5px 16px;border-radius:999px;margin-bottom:20px}
.hero h1{font-size:clamp(2.4rem,6.4vw,4.2rem);line-height:1.07;font-weight:900;letter-spacing:-.02em;max-width:800px;margin:0 auto}
.hero h1 em{color:var(--darkteal);font-style:normal}
.hero .sub{margin:22px auto 0;max-width:660px;color:#4c5460;font-size:1.08rem}
.hero .cta-row{margin-top:32px;display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.hero .search-demo{max-width:600px;margin:40px auto 0;background:#fff;border:2px solid var(--teal);border-radius:14px;padding:22px 26px;text-align:left;box-shadow:0 12px 30px rgba(31,195,176,.15)}
.hero .search-demo .bar{background:#f2f4f7;border-radius:8px;padding:10px 14px;color:#8a929e;font-size:.95rem}
.hero .search-demo .answer{margin-top:14px;font-size:.9rem;color:#4c5460}
.hero .search-demo .answer b{color:var(--darkteal)}

/* sections */
section.blk{padding:62px 0}
section.blk.alt{background:#eef1f6}
section.blk.dark{background:var(--ink);color:#fff}
section.blk.dark h2.sec{color:#fff}
section.blk.dark p.sec-sub{color:#a8b0bb}
h2.sec{font-size:clamp(1.6rem,3.6vw,2.2rem);font-weight:900;margin-bottom:12px}
h2.sec em{color:var(--darkteal);font-style:normal}
p.sec-sub{color:var(--mut);margin-bottom:34px;max-width:680px;font-size:.98rem}
.grid{display:grid;gap:22px}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.card{background:#fff;border:1px solid var(--line);border-radius:14px;padding:28px;box-shadow:0 8px 22px rgba(20,30,45,.05)}
.card h3{font-size:1.12rem;margin-bottom:9px;font-weight:800}
.card .ico{width:38px;height:38px;border-radius:12px;background:#e6f7f4;color:var(--darkteal);display:flex;align-items:center;justify-content:center;font-size:1.15rem;margin-bottom:13px}
.card p{color:#465060;font-size:.94rem}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:50px;align-items:center}
.panel{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;box-shadow:0 10px 26px rgba(20,30,45,.06)}
.panel h3{color:var(--darkteal);font-size:1.1rem;margin-bottom:16px;font-weight:800}
.ph-line{padding:13px 0;border-bottom:1px dashed var(--line);font-size:.92rem}
.ph-line:last-child{border-bottom:0}
.ph-line b{display:block;color:var(--ink);margin-bottom:2px}
.ph-line span{color:var(--mut)}
.note{background:#edf8f6;border-left:4px solid var(--teal);padding:16px 20px;border-radius:10px;color:#465060;font-size:.9rem;margin-top:26px}
.narrow{max-width:820px!important}

/* plans */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.plan{background:#fff;border:1px solid var(--line);border-radius:16px;padding:30px;display:flex;flex-direction:column;box-shadow:0 8px 22px rgba(20,30,45,.05)}
.plan.featured{border:2px solid var(--teal);position:relative}
.plan.featured::before{content:"おすすめ";position:absolute;top:-12px;left:24px;background:var(--teal);color:#fff;font-size:.72rem;font-weight:800;padding:4px 13px;border-radius:999px}
.plan h3{font-size:1.12rem;font-weight:800;margin-bottom:6px}
.plan .price{font-size:1.4rem;font-weight:900;color:var(--darkteal);margin:8px 0 4px}
.plan .price span{font-size:.82rem;color:var(--mut);font-weight:600}
.plan p{color:#5c6470;font-size:.9rem;margin-top:8px}
.plan ul{list-style:none;margin:18px 0 24px;display:flex;flex-direction:column;gap:9px;font-size:.9rem}
.plan ul li::before{content:"✓ ";color:var(--teal);font-weight:800}

/* table */
table.tb{width:100%;border-collapse:collapse;font-size:.92rem;background:#fff;border:1px solid var(--line)}
.tb th,.tb td{padding:13px 16px;border-bottom:1px solid var(--line);text-align:left}
.tb th{background:#eef1f6;font-weight:800}
.tb tr:last-child td{border-bottom:0}

/* faq */
.faqwrap{display:flex;flex-direction:column;gap:12px}
.faq{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}
.faq summary{padding:18px 22px;cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.3rem;color:var(--teal)}
.faq[open] summary::after{content:"–"}
.faq .a{padding:4px 22px 18px;color:#465060;font-size:.93rem}

/* cta band */
.cta-band{background:linear-gradient(120deg,#0b6e63,#0e9c8e);color:#fff;border-radius:18px;padding:52px 46px;text-align:center}
.cta-band h2{font-size:1.7rem;font-weight:900}
.cta-band p{color:rgba(255,255,255,.9);margin:12px 0 26px;max-width:600px;margin-left:auto;margin-right:auto}

/* page header */
.phead{padding:62px 0 34px;border-bottom:1px solid var(--line)}
.phead h1{font-size:clamp(2rem,4.6vw,3.1rem);font-weight:900;line-height:1.12}
.phead h1 em{color:var(--darkteal);font-style:normal}
.phead .lede{margin-top:16px;max-width:720px;color:var(--mut);font-size:1.04rem}
.crumb{font-size:.85rem;color:var(--mut);margin-bottom:18px}
.crumb a{color:var(--darkteal)}

/* footer */
footer.site{border-top:1px solid var(--line);margin-top:70px;padding:44px 0 36px;color:var(--mut);font-size:.88rem;background:#eef1f6}
.ft{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap}
.ft .brand{font-weight:800;color:var(--ink);font-size:1.05rem}
.ft .brand b{color:var(--darkteal)}
.ft nav{display:flex;gap:20px;flex-wrap:wrap}
.ft nav a:hover{color:var(--darkteal)}

@media(max-width:880px){
  .g3,.g2,.plans{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:28px}
  .nav-toggle{display:block}
  nav.main{position:fixed;top:64px;left:0;right:0;background:#fff;flex-direction:column;align-items:flex-start;padding:20px 26px;gap:16px;border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:flex}
  .hero{padding:58px 0 50px}
  .cta-band{padding:40px 26px}
}