:root{
  --ink:#0a0a0a;
  --paper:#ffffff;
  --gray-1:#f4f4f4;
  --gray-2:#dcdcdc;
  --gray-3:#6b6b6b;
  --line:#141414;
  --serif:'Shippori Mincho',serif;
  --sans:'Noto Sans JP',sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.8;font-size:16px;-webkit-font-smoothing:antialiased}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
h1,h2,h3{font-family:var(--serif);font-weight:700;line-height:1.4;letter-spacing:.02em}
.eyebrow{font-family:var(--sans);font-size:12px;letter-spacing:.18em;color:var(--gray-3);font-weight:700;margin-bottom:14px;display:block}
.eyebrow.light{color:rgba(255,255,255,.6)}
section{padding:96px 0}
@media(max-width:760px){section{padding:64px 0}}

/* ===== header ===== */
.hdr{position:fixed;top:0;left:0;right:0;z-index:100;background:var(--paper);border-bottom:1px solid var(--gray-2)}
.hdr-in{max-width:1080px;margin:0 auto;padding:0 24px;height:76px;display:flex;align-items:center;justify-content:space-between}
.brand{font-family:var(--serif);font-weight:700;font-size:22px;letter-spacing:.06em;display:flex;align-items:center;gap:10px}
.brand-mark{display:block}
.brand b{font-size:26px}
.brand span{font-size:12px;color:var(--gray-3);font-family:var(--sans);letter-spacing:.1em}
.nav{display:flex;align-items:center;gap:36px}
.nav a{font-size:14px;letter-spacing:.04em;position:relative;padding:4px 0}
.nav a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:1px;background:var(--ink);transition:width .25s}
.nav a:hover::after{width:100%}
.hdr-cta{border:1px solid var(--ink);padding:10px 22px;font-size:13px;letter-spacing:.06em;white-space:nowrap}
.hdr-cta:hover{background:var(--ink);color:#fff}
.hdr-ctas{display:flex;align-items:center;gap:10px}
.hdr-cta--fill{background:var(--ink);color:#fff}
.hdr-cta--fill:hover{background:#fff;color:var(--ink)}
.burger{display:none;width:28px;height:20px;position:relative;cursor:pointer}
.burger span{position:absolute;left:0;right:0;height:2px;background:var(--ink)}
.burger span:nth-child(1){top:0}.burger span:nth-child(2){top:9px}.burger span:nth-child(3){top:18px}
#drawer-toggle{display:none}
@media(max-width:900px){
  .nav{position:fixed;top:76px;left:0;right:0;bottom:0;background:var(--paper);flex-direction:column;justify-content:flex-start;align-items:flex-start;gap:0;padding:20px 24px;transform:translateX(100%);transition:transform .3s;overflow-y:auto}
  .nav a{width:100%;padding:18px 0;border-bottom:1px solid var(--gray-2);font-size:16px}
  .nav .hdr-ctas{margin-top:20px;width:100%;flex-direction:column;gap:10px}
  .nav .hdr-cta{text-align:center;width:100%}
  #drawer-toggle:checked ~ .nav{transform:translateX(0)}
  .burger{display:block}
}

/* ===== hero ===== */
.hero{background:var(--ink);color:#fff;padding:190px 0 140px;position:relative;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:
  repeating-linear-gradient(115deg,rgba(255,255,255,.035) 0 2px,transparent 2px 90px);}
.hero-in{position:relative;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;max-width:1080px}
.hero-tag{display:inline-block;font-size:11.5px;letter-spacing:.08em;color:rgba(255,255,255,.7);border:1px solid rgba(255,255,255,.3);padding:6px 14px;margin-bottom:22px}
.hero h1{font-size:clamp(30px,5vw,48px);color:#fff;margin-bottom:26px}
.hero h1 small{display:block;font-size:.55em;color:rgba(255,255,255,.55);font-weight:500;letter-spacing:.14em;margin-bottom:10px;font-family:var(--sans)}
.hero p{color:rgba(255,255,255,.72);font-size:15px;max-width:520px;margin-bottom:38px}
.hero-mark{display:flex;justify-content:center}
.hero-mark img{width:100%;max-width:280px;filter:invert(1) drop-shadow(0 24px 44px rgba(0,0,0,.55))}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:24px;border-top:1px solid rgba(255,255,255,.15);list-style:none}
.hero-badges li{font-size:12.5px;color:rgba(255,255,255,.65);letter-spacing:.03em;padding-left:16px;position:relative}
.hero-badges li::before{content:"✓";position:absolute;left:0;color:rgba(255,255,255,.4)}
@media(max-width:900px){.hero-in{grid-template-columns:1fr}.hero-mark{order:-1;max-width:200px;margin:0 auto}.hero-mark img{max-width:150px}}
.btn-row{display:flex;gap:16px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:10px;padding:16px 30px;font-size:14px;letter-spacing:.05em;border:1px solid #fff}
.btn--solid{background:#fff;color:var(--ink)}
.btn--solid:hover{background:transparent;color:#fff}
.btn--line{color:#fff}
.btn--line:hover{background:#fff;color:var(--ink)}
@media(max-width:760px){.hero{padding:150px 0 90px}.btn-row{flex-direction:column}.btn{justify-content:center}}

/* ===== about ===== */
.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.about-ph{aspect-ratio:4/3;background:var(--gray-1);border:1px solid var(--gray-2);overflow:hidden}
.about-ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.sp-only{display:none}
.about h2{font-size:clamp(24px,3vw,32px);margin-bottom:24px}
.about p{color:#333;font-size:15px;margin-bottom:16px}
@media(max-width:760px){.about-grid{grid-template-columns:1fr;gap:32px}.about-ph{order:-1}}

/* ===== section head ===== */
.sec-head{text-align:center;max-width:640px;margin:0 auto 56px}
.sec-head h2{font-size:clamp(24px,3vw,34px)}
.sec-head p{color:var(--gray-3);font-size:14px;margin-top:14px}
.bg-dark{background:var(--ink);color:#fff}
.bg-dark .sec-head p{color:rgba(255,255,255,.6)}
.bg-alt{background:var(--gray-1)}

/* ===== service ===== */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--gray-2);border:1px solid var(--gray-2)}
.svc-card{background:#fff;padding:40px 32px}
.svc-num{font-family:var(--serif);font-size:13px;color:var(--gray-3);letter-spacing:.1em;margin-bottom:18px;display:block}
.svc-card h3{font-size:18px;margin-bottom:12px}
.svc-card p{font-size:13.5px;color:#444}
@media(max-width:900px){.svc-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.svc-grid{grid-template-columns:1fr}}

/* ===== price ===== */
.price-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;margin-bottom:28px}
.plan{border:1px solid rgba(255,255,255,.25);padding:40px 34px}
.plan h3{font-size:20px;color:#fff;margin-bottom:6px}
.plan .tag{font-size:12px;color:rgba(255,255,255,.55);letter-spacing:.08em;margin-bottom:24px;display:block}
.plan .yen{font-family:var(--serif);font-size:34px;color:#fff}
.plan .yen small{font-size:14px;font-family:var(--sans);color:rgba(255,255,255,.6);margin-left:6px}
.plan ul{margin-top:22px;padding-top:22px;border-top:1px solid rgba(255,255,255,.2)}
.plan li{font-size:13.5px;color:rgba(255,255,255,.75);margin-bottom:10px;padding-left:16px;position:relative}
.plan li::before{content:"—";position:absolute;left:0;color:rgba(255,255,255,.4)}
.price-note{border:1px solid rgba(255,255,255,.25);padding:30px 34px;font-size:13.5px;color:rgba(255,255,255,.75)}
.price-note b{color:#fff}
.price-foot{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:20px}
@media(max-width:760px){.price-grid{grid-template-columns:1fr}}

/* ===== flow ===== */
.flow-list{display:flex;flex-direction:column}
.flow-item{display:grid;grid-template-columns:90px 1fr;gap:28px;padding:32px 0;border-bottom:1px solid var(--gray-2)}
.flow-item:first-child{border-top:1px solid var(--gray-2)}
.flow-num{font-family:var(--serif);font-size:34px;color:var(--gray-2)}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:13.5px;color:#444}

/* ===== company ===== */
.co-table{width:100%;border-top:1px solid var(--gray-2)}
.co-table tr{border-bottom:1px solid var(--gray-2)}
.co-table th,.co-table td{text-align:left;padding:20px 0;font-size:14px;vertical-align:top}
.co-table th{width:180px;color:var(--gray-3);font-weight:500;letter-spacing:.04em}
.co-table td{color:#222}
@media(max-width:600px){
  .co-table,.co-table tr,.co-table th,.co-table td{display:block;width:auto}
  .co-table th{padding-bottom:4px}
  .co-table td{padding-top:0;padding-bottom:20px}
}

/* ===== worries ===== */
.worry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:var(--gray-2);border:1px solid var(--gray-2);margin-bottom:36px}
.worry-item{background:#fff;padding:26px 28px;font-size:14.5px;line-height:1.75}
.worry-note{text-align:center;font-family:var(--serif);font-size:18px}
@media(max-width:700px){.worry-grid{grid-template-columns:1fr}}

/* ===== check promo ===== */
.check-promo-in{display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;border:1px solid var(--gray-2);padding:48px}
.check-promo-in h2{margin-bottom:14px}
.check-promo-in p{color:var(--gray-3);font-size:14px;max-width:480px}
.btn-check{background:var(--ink);color:#fff;padding:22px 34px;text-align:center;white-space:nowrap}
.btn-check span{display:block;font-size:15px;letter-spacing:.04em;margin-bottom:6px}
.btn-check small{display:block;font-size:11.5px;color:rgba(255,255,255,.55);letter-spacing:.06em}
.btn-check:hover{background:#000}
@media(max-width:700px){.check-promo-in{padding:32px 24px}.btn-check{width:100%}}

/* ===== reasons ===== */
.reasons-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.reasons-ph{aspect-ratio:4/3;overflow:hidden;background:var(--gray-2)}
.reasons-ph img{width:100%;height:100%;object-fit:cover;filter:grayscale(1) contrast(1.05)}
.reasons-list{margin-top:22px}
.reasons-list li{padding:18px 0;border-top:1px solid var(--gray-2);font-size:14px;line-height:1.75;color:#444}
.reasons-list li:last-child{border-bottom:1px solid var(--gray-2)}
.reasons-list b{display:block;font-family:var(--serif);font-size:16px;color:var(--ink);margin-bottom:6px}
@media(max-width:760px){.reasons-grid{grid-template-columns:1fr;gap:28px}.reasons-ph{order:-1}}

/* ===== faq ===== */
.faq-list{max-width:760px;margin:0 auto}
.faq-item{border-bottom:1px solid var(--gray-2);padding:24px 0}
.faq-item:first-child{border-top:1px solid var(--gray-2)}
.faq-q{font-family:var(--serif);font-size:16px;margin-bottom:10px;padding-left:32px;position:relative}
.faq-q::before{content:"Q";position:absolute;left:0;color:var(--gray-3);font-family:var(--sans);font-weight:700}
.faq-a{font-size:14px;color:#444;line-height:1.75;padding-left:32px;position:relative}
.faq-a::before{content:"A";position:absolute;left:0;color:var(--ink);font-weight:700}

/* ===== message ===== */
.message-wrap{max-width:680px;margin:0 auto;text-align:center}
.message-body{font-family:var(--serif);font-size:17px;line-height:2;margin:18px 0 36px}
.message-sign{display:inline-flex;align-items:center;gap:16px;text-align:left}
.message-mark{width:44px;height:44px}
.message-sign span{display:block;font-size:12px;color:var(--gray-3);letter-spacing:.06em}
.message-sign b{display:block;font-family:var(--serif);font-size:16px;margin-top:2px}

/* ===== contact ===== */
.contact-wrap{max-width:640px;margin:0 auto}
.contact-line{text-align:center;background:var(--gray-1);border:1px solid var(--gray-2);padding:28px 24px;margin-bottom:24px}
.contact-line-label{font-size:13.5px;color:var(--gray-3);margin-bottom:16px}
.contact-line-btn{display:inline-block;padding:14px 28px}
.contact-or{text-align:center;color:var(--gray-3);font-size:12px;letter-spacing:.1em;margin-bottom:24px;position:relative}
.f-row{margin-bottom:22px}
.f-row label{display:block;font-size:13px;letter-spacing:.04em;margin-bottom:8px;color:#333}
.f-row label .req{color:#000;font-size:11px;border:1px solid var(--ink);padding:1px 6px;margin-left:8px;letter-spacing:.05em}
.f-row input,.f-row textarea{width:100%;border:1px solid var(--gray-2);background:#fff;padding:14px 16px;font-size:14px;font-family:var(--sans);color:var(--ink)}
.f-row textarea{min-height:140px;resize:vertical}
.f-row input:focus,.f-row textarea:focus{outline:none;border-color:var(--ink)}
.f-submit{width:100%;background:var(--ink);color:#fff;border:1px solid var(--ink);padding:18px;font-size:14px;letter-spacing:.06em;cursor:pointer}
.f-submit:hover{background:#fff;color:var(--ink)}
.f-note{font-size:12.5px;color:var(--gray-3);margin-top:16px;text-align:center}

/* ===== footer ===== */
footer{background:var(--ink);color:rgba(255,255,255,.6);padding:56px 0 28px;font-size:13px}
.f-top{display:flex;justify-content:space-between;flex-wrap:wrap;gap:32px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.15);margin-bottom:24px}
.f-brand{font-family:var(--serif);color:#fff;font-size:20px;letter-spacing:.06em;display:flex;align-items:center;gap:10px}
.f-mark{width:26px;height:26px;filter:invert(1)}
.f-nav{display:flex;gap:24px;flex-wrap:wrap}
.f-nav a:hover{color:#fff}
.f-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;color:rgba(255,255,255,.4);font-size:12px}