:root{
  --bg:#ffffff; --surface:#ffffff; --ink:#4d4d4d; --sub:#8c8c8c; --line:#e6e6e3; --accent:#2f4a5c;
  --serif:"Noto Sans JP",sans-serif; --sans:"Noto Sans JP",sans-serif; --latin:"Noto Sans JP",sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{background:var(--bg);color:var(--ink);font-family:var(--sans);font-size:15px;line-height:1.95;letter-spacing:.04em}
a{color:inherit}
img{max-width:100%;display:block}
.wrap{max-width:1080px;margin:0 auto;padding:0 24px}
/* 仮サイトの注記 */
.proto{background:var(--accent);color:#fff;font-size:12px;text-align:center;padding:6px 16px}
/* header */
header{position:sticky;top:0;z-index:10;background:rgba(255,255,255,.94);backdrop-filter:blur(6px);border-bottom:1px solid var(--line)}
header .wrap{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{font-family:var(--latin);font-weight:700;font-size:22px;letter-spacing:.2em;text-decoration:none}
nav ul{display:flex;gap:28px;list-style:none;font-family:var(--latin);font-size:13px;letter-spacing:.12em}
nav a{text-decoration:none}
nav a:hover{color:var(--accent)}
.nav-cta{border:1px solid var(--ink);padding:4px 14px}
/* photo placeholder */
.photo{width:100%;height:100%;object-fit:cover;display:block}
.ph{background:repeating-linear-gradient(135deg,#ececea 0 12px,#f2f2f0 12px 24px);display:flex;align-items:center;justify-content:center;color:var(--sub);font-size:12px;text-align:center;padding:16px}
/* hero */
.hero{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:96px 0 104px}
.hero h1{font-family:var(--serif);font-weight:500;font-size:30px;line-height:1.7;letter-spacing:.08em}
.hero p{margin-top:28px;color:var(--sub)}
.hero .ph{aspect-ratio:4/5}
.hero .hero-media{aspect-ratio:3/2}
.tag{display:inline-block;font-size:11px;color:var(--sub);border:1px dashed var(--sub);padding:0 8px;margin-top:12px}
/* section */
section{padding:96px 0;border-top:1px solid var(--line)}
.sec-head{display:flex;align-items:baseline;gap:20px;margin-bottom:48px}
.sec-head h2{font-family:var(--latin);font-weight:500;font-size:26px;letter-spacing:.12em;line-height:1.2;border-left:3px solid var(--ink);padding-left:14px}
.sec-head h2 span{font-family:var(--sans);font-size:13px;font-weight:400;letter-spacing:.04em;color:var(--sub);margin-left:20px}
.lead{font-family:var(--serif);font-size:17px;line-height:2.1;max-width:720px;margin-bottom:56px}
/* entrances */
.doors-main{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.doors-sub{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:24px}
.door{background:var(--surface);border:1px solid var(--line);padding:36px 32px;text-decoration:none;display:block;transition:border-color .2s}
.door:hover{border-color:var(--ink)}
.door .no{font-family:var(--latin);font-size:14px;color:var(--sub)}
.door h3{font-family:var(--serif);font-weight:500;font-size:21px;margin:6px 0 12px}
.door p{font-size:14px;color:var(--sub)}
.doors-sub .door{padding:28px 32px}
.doors-sub .door h3{font-size:18px}
.sub-note{font-size:13px;color:var(--sub);margin-top:40px}
/* business detail */
.biz{display:grid;grid-template-columns:200px 1fr;gap:48px;padding:56px 0;border-top:1px solid var(--line)}
.biz:first-of-type{border-top:none;padding-top:0}
.biz h3{font-family:var(--serif);font-weight:500;font-size:20px;line-height:1.6}
.biz h3 small{display:block;font-family:var(--latin);font-size:14px;color:var(--sub);letter-spacing:.1em}
.biz dl{display:grid;grid-template-columns:120px 1fr;gap:14px 24px;font-size:14px}
.biz dt{color:var(--sub)}
.biz .go{grid-column:1/-1;margin-top:12px}
.btn{display:inline-block;background:var(--ink);color:#fff;text-decoration:none;padding:10px 28px;font-size:13px;letter-spacing:.12em}
.btn:hover{background:var(--accent)}
/* works */
.works{display:grid;grid-template-columns:repeat(3,1fr);gap:32px}
.work .ph{aspect-ratio:4/3}
.work .cat{font-size:12px;color:var(--sub);margin-top:16px}
.work h3{font-family:var(--serif);font-weight:500;font-size:16px;line-height:1.7}
.work p{font-size:13px;color:var(--sub);margin-top:6px}
.logos{margin-top:64px;font-size:13px;color:var(--sub);line-height:2.2}
.logos b{color:var(--ink);font-weight:500;margin-right:12px}
/* brands */
.brands{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.brand .ph{aspect-ratio:1}
.logo-box{aspect-ratio:1;display:flex;align-items:center;justify-content:center;background:var(--surface);border:1px solid var(--line)}
.logo-box img{width:72%;height:auto}
.logo-box.dark{background:#000;border-color:#000}
.brand h3{font-family:var(--latin);font-weight:500;font-size:17px;letter-spacing:.08em;margin-top:16px}
.brand .y{font-size:12px;color:var(--sub)}
.brand p{font-size:13px;margin-top:8px}
.brand a{font-size:12px;color:var(--sub)}
/* store */
.store{display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center}
.store .ph{aspect-ratio:3/2}
.store-imgs{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.store-imgs img{width:100%;aspect-ratio:16/9;object-fit:cover}
.store-imgs img:first-child{grid-column:1/-1}
.banners{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.banners a{display:block;text-decoration:none}
.banners img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line)}
.banners p{font-size:13px;color:var(--sub);margin-top:10px}
/* company */
.profile{display:grid;grid-template-columns:160px 1fr;font-size:14px}
.profile dt,.profile dd{padding:16px 0;border-bottom:1px solid var(--line)}
.profile dt{color:var(--sub)}
.history li{list-style:none}
/* faq */
.faq .qa{padding:22px 0;border-bottom:1px solid var(--line)}
.faq dt{font-weight:500;color:var(--ink)}
.faq dt::before{content:"Q.";margin-right:10px;color:var(--sub)}
.faq dd{margin-top:8px;font-size:14px;color:var(--sub)}
/* contact */
.contact{background:var(--surface);border:1px solid var(--line);padding:56px}
form{display:grid;grid-template-columns:1fr 1fr;gap:20px 28px;margin-top:32px}
label{display:block;font-size:13px;color:var(--sub);margin-bottom:6px}
label em{font-style:normal;color:var(--accent);margin-left:6px;font-size:11px}
input,select,textarea{width:100%;font:inherit;font-size:14px;padding:10px 12px;border:1px solid var(--line);background:#fff;color:var(--ink)}
textarea{min-height:160px}
.full{grid-column:1/-1}
.oem-only{display:none}
.oem-only.show{display:contents}
.hp{display:none}
.form-note{font-size:12px;color:var(--sub)}
footer{padding:56px 0;border-top:1px solid var(--line);font-size:12px;color:var(--sub)}
footer .wrap{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
footer a{margin-right:16px}
/* responsive */
@media (max-width:860px){
  nav ul li:not(:last-child){display:none}
  .hero,.store{grid-template-columns:1fr;gap:40px;padding:56px 0}
  .hero h1{font-size:26px}
  .doors-main,.doors-sub,.works{grid-template-columns:1fr}
  .brands{grid-template-columns:1fr 1fr}
  .banners{grid-template-columns:1fr}
  .biz{grid-template-columns:1fr;gap:20px}
  .biz dl{grid-template-columns:1fr;gap:4px}
  .biz dt{margin-top:10px}
  .contact{padding:32px 20px}
  form{grid-template-columns:1fr}
  section{padding:72px 0}
  .wrap{padding:0 16px}
}
/* サービスページ */
.subnav{display:grid;grid-template-columns:repeat(4,1fr);gap:8px;margin-top:16px}
.subnav a{display:block;text-decoration:none;font-size:13px;padding:10px 14px;border:1px solid var(--line);background:var(--surface);color:var(--sub)}
.subnav a span{display:block;font-size:11px;letter-spacing:.1em}
.subnav a:hover{border-color:var(--ink);color:var(--ink)}
.subnav a.current{border-color:var(--ink);background:var(--ink);color:#fff}
@media (max-width:860px){.subnav{grid-template-columns:1fr 1fr}}
.crumb{font-size:12px;color:var(--sub);padding-top:28px}
.crumb a{text-decoration:none}
.page-hero{display:grid;grid-template-columns:1.1fr 1fr;gap:56px;align-items:center;padding:40px 0 88px}
.page-hero .no{font-size:13px;color:var(--sub);letter-spacing:.12em}
.page-hero h1{font-weight:500;font-size:28px;line-height:1.6;margin:8px 0 20px}
.page-hero p{color:var(--sub)}
.page-hero .ph{aspect-ratio:4/3}
.detail{display:grid;grid-template-columns:140px 1fr;gap:16px 32px;font-size:15px}
.detail dt{color:var(--sub)}
.flow{list-style:none;counter-reset:f;display:grid;grid-template-columns:repeat(5,1fr);gap:12px}
.flow li{counter-increment:f;background:var(--surface);border:1px solid var(--line);padding:16px;font-size:14px}
.flow li::before{content:counter(f,decimal-leading-zero);display:block;font-size:12px;color:var(--sub)}
.cta{text-align:center;padding:72px 0}
.cta p{margin-bottom:24px;color:var(--sub)}
.todo{color:#b0563a}
.others{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
@media (max-width:860px){
  .page-hero{grid-template-columns:1fr;gap:32px;padding:24px 0 56px}
  .detail{grid-template-columns:1fr;gap:4px}
  .detail dt{margin-top:12px}
  .flow,.others{grid-template-columns:1fr}
}
/* サービスページの詳しい章 */
.sec-lead{color:var(--sub);font-size:14px;margin:-24px 0 32px}
.cards{display:grid;gap:20px}
.cards.c2{grid-template-columns:1fr 1fr}
.cards.c3{grid-template-columns:repeat(3,1fr)}
.card{background:var(--surface);border:1px solid var(--line);padding:28px}
.card h3{font-size:16px;font-weight:500;margin-bottom:10px;color:var(--ink)}
.card p{font-size:14px;color:var(--sub)}
.flow-d{grid-template-columns:repeat(auto-fit,minmax(160px,1fr))}
.flow-d li b{display:block;font-weight:500;color:var(--ink);margin:4px 0 6px}
.flow-d li p{font-size:13px;color:var(--sub);line-height:1.8}
@media (max-width:860px){.cards.c2,.cards.c3{grid-template-columns:1fr}}
/* フロー：流れの向きに先を三角にする */
.flow{gap:6px}
.flow li{border:none;background:#f1f1ef;padding:18px 34px 18px 30px;
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%,18px 50%)}
.flow li:first-child{padding-left:20px;clip-path:polygon(0 0,calc(100% - 18px) 0,100% 50%,calc(100% - 18px) 100%,0 100%)}
@media (max-width:860px){
  .flow li,.flow li:first-child{padding:18px 20px 34px;
    clip-path:polygon(0 0,50% 16px,100% 0,100% calc(100% - 16px),50% 100%,0 calc(100% - 16px))}
  .flow li:first-child{clip-path:polygon(0 0,100% 0,100% calc(100% - 16px),50% 100%,0 calc(100% - 16px))}
  .flow li:not(:first-child){padding-top:30px}
}
/* 図解：アイコン付き */
.cards.icons .card{text-align:center;padding:36px 28px}
.ico{width:44px;height:44px;fill:none;stroke:var(--ink);stroke-width:1.3;stroke-linecap:round;stroke-linejoin:round;margin:0 auto 14px;display:block}
/* 図解：大きな番号 */
.reasons{list-style:none;counter-reset:r;display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:40px}
.reasons li{counter-increment:r;border-top:2px solid var(--ink);padding-top:18px}
.reasons li::before{content:counter(r,decimal-leading-zero);display:block;font-size:40px;font-weight:300;line-height:1;color:var(--line);margin-bottom:14px;letter-spacing:.04em}
.reasons h3{font-size:16px;font-weight:500;color:var(--ink);margin-bottom:8px}
.reasons p{font-size:14px;color:var(--sub)}
/* 図解：ロゴ付き */
.brandrows{display:grid;grid-template-columns:1fr 1fr;gap:0 48px}
.brandrow{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:center;padding:24px 0;border-bottom:1px solid var(--line)}
.logo-cell{aspect-ratio:1;border:1px solid var(--line);display:flex;align-items:center;justify-content:center}
.logo-cell img{width:78%;height:auto}
.brandrow h3{font-size:15px;font-weight:500;color:var(--ink);margin-bottom:6px}
.brandrow p{font-size:13px;color:var(--sub)}
/* 図解：引用 */
.practices{display:grid;grid-template-columns:1fr 1fr;gap:40px}
.practice{position:relative;padding:28px 28px 28px 56px;border-left:2px solid var(--ink)}
.practice::before{content:"「";position:absolute;left:14px;top:10px;font-size:48px;line-height:1;color:var(--line)}
.practice h3{font-size:16px;font-weight:500;color:var(--ink);margin-bottom:10px}
.practice p{font-size:14px;color:var(--sub)}
/* 図解：料金（一度 → 毎月） */
.price-line{display:grid;grid-template-columns:1fr 60px 1.4fr;align-items:center}
.pl-once,.pl-loop{border:1px solid var(--line);padding:28px;position:relative}
.pl-loop{border-color:var(--ink)}
.pl-tag{position:absolute;top:-11px;left:20px;background:var(--bg);padding:0 8px;font-size:12px;color:var(--sub)}
.pl-loop .pl-tag{color:var(--ink)}
.price-line h3{font-size:16px;font-weight:500;color:var(--ink);margin-bottom:6px}
.price-line p{font-size:14px;color:var(--sub)}
.pl-arrow{height:2px;background:var(--ink);position:relative;margin:0 8px}
.pl-arrow::after{content:"";position:absolute;right:-2px;top:-5px;border:6px solid transparent;border-left:8px solid var(--ink);border-right:0}
.pl-months{display:flex;gap:6px;margin-top:16px}
.pl-months i{flex:1;height:6px;background:var(--ink);opacity:.15}
.pl-months i:nth-child(odd){opacity:.3}
/* 図解：FAQ */
.faq dt::before{content:"Q";display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;font-size:12px;margin-right:12px}
.faq dd::before{content:"A";display:inline-flex;align-items:center;justify-content:center;width:26px;height:26px;border-radius:50%;border:1px solid var(--ink);color:var(--ink);font-size:12px;margin-right:12px}
.faq dd{display:flex;align-items:flex-start}
.faq dd::before{flex:none}
@media (max-width:860px){
  .brandrows,.practices{grid-template-columns:1fr}
  .brandrow{grid-template-columns:88px 1fr;gap:16px}
  .price-line{grid-template-columns:1fr;gap:0}
  .pl-arrow{width:2px;height:36px;margin:8px auto}
  .pl-arrow::after{right:-5px;top:auto;bottom:-2px;border:6px solid transparent;border-top:8px solid var(--ink);border-bottom:0}
}
/* トップ：写真を全幅に、見出しは写真の上、本文は下 */
.hero-full{position:relative;height:min(82vh,64vw);min-height:360px;overflow:hidden}
.hero-full img{width:100%;height:100%;object-fit:cover;object-position:50% 55%;display:block}
.hero-full::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(0,0,0,.45) 0%,rgba(0,0,0,.15) 45%,rgba(0,0,0,0) 70%)}
.hero-copy{position:absolute;inset:0;display:flex;align-items:flex-end;padding-bottom:56px;z-index:1}
.hero-copy h1{color:#fff;font-weight:500;font-size:34px;line-height:1.7;letter-spacing:.08em;text-shadow:0 1px 12px rgba(0,0,0,.25)}
.hero-body{padding:56px 24px 96px}
.hero-body p{max-width:760px;color:var(--sub);line-height:2.1}
@media (max-width:860px){
  .hero-full{height:70vh}
  .hero-copy{padding-bottom:32px}
  .hero-copy h1{font-size:24px}
  .hero-body{padding:36px 16px 64px}
}