:root {
  --ink:#071928;
  --ink-soft:#102b3d;
  --blue:#1769e0;
  --blue-dark:#0c52bc;
  --blue-pale:#dceeff;
  --cream:#f5f3ed;
  --white:#fff;
  --line:#dbe3ea;
  --muted:#5b6a77;
  --yellow:#ffd84a;
}

* { box-sizing:border-box; }
html { scroll-behavior:smooth; scroll-padding-top:112px; }
body { margin:0; overflow-x:hidden; background:var(--cream); color:var(--ink); font-family:"Noto Sans JP","Hiragino Kaku Gothic ProN","Yu Gothic",sans-serif; line-height:1.75; text-rendering:optimizeLegibility; }
a { color:inherit; }
.button,a,button,summary,input,textarea { touch-action:manipulation; }
.button,.header-cta,.site-header nav a,.text-link,.trust-grid a,footer nav a { transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease; }
.button:hover,.header-cta:hover { transform:translateY(-2px); box-shadow:0 10px 24px rgba(7,25,40,.18); }
.site-header nav a:hover,.text-link:hover,.trust-grid a:hover,footer nav a:hover { text-decoration:underline; text-underline-offset:4px; }
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible,textarea:focus-visible { outline:3px solid var(--yellow); outline-offset:4px; }
section[id] { scroll-margin-top:112px; }
.no-break { white-space:nowrap; }
.skip-link { position:absolute; left:18px; top:-80px; z-index:100; padding:10px 14px; background:var(--ink); color:#fff; }
.skip-link:focus { top:12px; }

.site-header { width:min(1280px,calc(100% - 32px)); min-height:70px; margin:14px auto 0; padding:9px 12px 9px 20px; display:flex; align-items:center; justify-content:space-between; gap:24px; position:sticky; top:12px; z-index:30; border:1px solid rgba(7,25,40,.08); border-radius:40px; background:#fff; box-shadow:0 14px 35px rgba(7,25,40,.14); }
.brand { display:inline-flex; align-items:center; gap:10px; text-decoration:none; white-space:nowrap; }
.brand img { border-radius:8px; }
.brand strong { font-size:18px; }
.site-header nav { display:flex; align-items:center; gap:26px; font-size:12px; font-weight:800; }
.site-header nav a { text-decoration:none; }
.header-cta { padding:12px 18px; display:inline-flex; align-items:center; gap:24px; border-radius:24px; background:var(--blue); color:#fff; text-decoration:none; font-size:12px; font-weight:800; white-space:nowrap; }

.hero { width:min(1440px,calc(100% - 24px)); margin:-70px auto 0; padding:164px 0 0; position:relative; overflow:hidden; border-radius:0 0 42px 42px; background:linear-gradient(120deg,#0e57c4,#1769e0 56%,#2587ed); color:#fff; }
.hero::after { content:""; position:absolute; inset:0; pointer-events:none; background:linear-gradient(90deg,rgba(0,0,0,.08),transparent 55%); }
.hero-shape { position:absolute; pointer-events:none; border:72px solid rgba(255,255,255,.07); transform:rotate(45deg); }
.shape-one { width:430px; height:430px; right:50px; top:60px; }
.shape-two { width:300px; height:300px; right:390px; bottom:-170px; border-width:55px; }
.hero-inner { width:min(1180px,calc(100% - 48px)); min-height:600px; margin:0 auto; position:relative; z-index:1; display:grid; grid-template-columns:minmax(0,1.35fr) minmax(320px,.65fr); gap:clamp(42px,6vw,82px); align-items:center; padding:44px 0 78px; }
.hero-copy { min-width:0; }
.eyebrow,.section-tag,.card-kicker,.role-label { margin:0; font-size:12px; font-weight:900; letter-spacing:.08em; }
.hero .eyebrow { color:#d9ebff; }
h1 { max-width:760px; margin:22px 0 24px; font-size:clamp(48px,5.2vw,74px); line-height:1.06; letter-spacing:-.05em; text-wrap:balance; }
h1 em { color:#bfe3ff; font-style:normal; }
h1 em .mobile-line + .mobile-line { margin-left:.14em; }
h1 > span,h1 em span { display:block; max-width:100%; white-space:normal; overflow-wrap:anywhere; }
.fit-heading h2 span { display:block; white-space:nowrap; }
.hero-lead { max-width:740px; margin:0; font-size:clamp(16px,1.25vw,18px); color:#e7f2ff; text-wrap:pretty; }
.hero-actions { display:flex; align-items:center; flex-wrap:wrap; gap:26px; margin-top:34px; }
.button { min-height:52px; padding:14px 20px; display:inline-flex; align-items:center; justify-content:space-between; gap:28px; border:0; border-radius:12px; font:inherit; font-weight:900; text-decoration:none; cursor:pointer; }
.button-light { background:#fff; color:var(--ink); }
.button-blue { background:var(--blue); color:#fff; }
.button-yellow { width:100%; background:var(--yellow); color:var(--ink); }
.text-link { color:#fff; font-weight:900; text-decoration:none; }
.hero-explainer { padding:30px; position:relative; z-index:2; border:1px solid rgba(255,255,255,.8); border-radius:24px; background:rgba(255,255,255,.97); color:var(--ink); box-shadow:0 28px 70px rgba(5,31,71,.24); }
.hero-explainer .section-tag { color:var(--blue); }
.hero-role { margin-top:20px; padding:18px; display:grid; gap:5px; border:1px solid var(--line); border-radius:14px; background:#f1f6fa; }
.hero-role span { color:var(--blue); font-size:11px; font-weight:900; letter-spacing:.06em; }
.hero-role strong { font-size:16px; line-height:1.5; }
.hero-role.partner-role { margin-top:0; border-color:#b6d7ff; background:#eaf4ff; }
.hero-role-plus { width:34px; height:34px; margin:10px auto; display:grid; place-items:center; border-radius:50%; background:var(--yellow); font-size:20px; font-weight:900; }
.hero-explainer > p:last-child { margin:20px 0 0; padding-top:18px; border-top:1px solid var(--line); color:var(--muted); font-size:13px; font-weight:700; line-height:1.75; }
.section { padding:clamp(78px,8vw,120px) max(24px,calc((100% - 1180px)/2)); }
.section-tag { color:var(--blue); }
.section-heading { max-width:820px; margin-bottom:52px; }
.section-heading.narrow { max-width:940px; }
.section-heading h2,.fit-heading h2,.process-heading h2,.capabilities-heading h2,.faq-heading h2,.contact-copy h2,.terms-panel h2 { margin:12px 0 18px; font-size:clamp(40px,4.8vw,64px); line-height:1.12; letter-spacing:-.045em; text-wrap:balance; }
.partnership .section-heading h2 { font-size:clamp(42px,4.4vw,60px); }
.terms-panel h2 { font-size:clamp(34px,2.9vw,40px); }
.contact-copy h2 { font-size:clamp(42px,3.8vw,52px); }
.section-heading > p:last-child,.fit-heading > p:last-child,.process-heading > p,.capabilities-heading > p,.faq-heading > p { color:var(--muted); }

.fit { padding-top:54px; }
.fit-panel { padding:clamp(32px,5vw,60px); display:grid; grid-template-columns:minmax(280px,.76fr) minmax(0,1.24fr); gap:clamp(38px,5vw,68px); align-items:center; border-radius:30px; background:var(--ink); color:#fff; overflow:hidden; position:relative; }
.fit-panel::after { content:""; position:absolute; width:380px; height:380px; right:-190px; bottom:-210px; border:55px solid rgba(92,188,255,.13); border-radius:50%; }
.fit-heading { position:relative; z-index:1; }
.fit-heading .section-tag { color:#7fc4ff; }
.fit-heading h2 { font-size:clamp(38px,4.4vw,60px); }
.fit-heading > p:last-child { color:#b7c5cf; }
.fit-grid { display:grid; grid-template-columns:1fr 1fr; gap:14px; position:relative; z-index:1; }
.fit-grid article { min-height:148px; padding:24px; border:1px solid #355163; border-radius:18px; background:#153044; }
.fit-grid span { color:#76c1ff; font-size:11px; font-weight:900; }
.fit-grid h3 { margin:16px 0 0; font-size:19px; line-height:1.5; }

.partnership { background:#fff; }
.role-grid { display:grid; grid-template-columns:1fr 64px 1fr; align-items:stretch; gap:20px; }
.role-card { min-height:330px; padding:38px; border:1px solid var(--line); border-radius:24px; }
.agency-card { background:#f1f6fa; }
.partner-card { background:var(--blue); color:#fff; border-color:var(--blue); }
.role-card .role-label { color:var(--blue); }
.partner-card .role-label { color:#cce7ff; }
.role-card h3 { margin:12px 0 24px; font-size:clamp(25px,2.4vw,34px); line-height:1.35; }
.role-card ul { margin:0; padding:0; display:grid; gap:11px; list-style:none; }
.role-card li { padding:13px 15px; border-radius:10px; background:#fff; font-weight:800; }
.partner-card li { background:rgba(255,255,255,.12); }
.role-connector { display:grid; place-items:center; }
.role-connector span { width:50px; height:50px; display:grid; place-items:center; border-radius:50%; background:var(--yellow); font-size:28px; font-weight:900; }

.service { background:#f8fafb; }
.service-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
.service-grid article { min-height:378px; padding:32px; border:1px solid var(--line); border-radius:20px; background:#fff; box-shadow:0 10px 30px rgba(7,25,40,.04); }
.check { width:38px; height:38px; display:grid; place-items:center; border-radius:50%; background:#dff3ff; color:var(--blue); font-weight:900; }
.card-kicker { margin-top:24px; color:var(--blue); }
.service-grid h3 { margin:8px 0 12px; font-size:24px; }
.service-grid article > p:not(.card-kicker) { color:var(--muted); }
.service-grid ul { margin:22px 0 0; padding:18px 0 0; display:grid; gap:9px; border-top:1px solid var(--line); list-style:none; font-size:13px; font-weight:800; }
.service-grid li::before { content:"—"; margin-right:8px; color:var(--blue); }

.process { background:#fff; }
.process-layout { display:grid; grid-template-columns:minmax(270px,.72fr) minmax(0,1.28fr); gap:clamp(50px,8vw,120px); align-items:start; }
.process-heading { position:sticky; top:112px; }
.process-heading .button { margin-top:24px; }
.process-list { margin:0; padding:0; display:grid; list-style:none; }
.process-list li { padding:30px 0; display:grid; grid-template-columns:72px 1fr; gap:22px; border-bottom:1px solid var(--line); }
.process-list li:first-child { border-top:1px solid var(--line); }
.process-list li > span { color:var(--blue); font-weight:900; }
.process-list h3 { margin:0 0 7px; font-size:23px; }
.process-list p { margin:0; color:var(--muted); }

.capabilities { background:#f8fafb; }
.capabilities-panel { padding:clamp(34px,5vw,66px); border-radius:28px; background:var(--ink); color:#fff; }
.capabilities-heading { max-width:820px; margin-bottom:42px; }
.capabilities-heading .section-tag { color:#7fc4ff; }
.capabilities-heading > p { color:#b7c5cf; }
.capability-grid { display:grid; grid-template-columns:repeat(4,1fr); gap:12px; }
.capability-grid article { min-height:158px; padding:22px; border:1px solid #355163; border-radius:14px; background:#153044; }
.capability-grid span { color:#7fc4ff; font-size:11px; font-weight:900; }
.capability-grid h3 { margin:28px 0 0; font-size:17px; line-height:1.5; }

.proof { background:#fff; }
.case-study { display:grid; grid-template-columns:minmax(300px,.8fr) minmax(0,1.2fr); border:1px solid var(--line); border-radius:24px; overflow:hidden; }
.case-visual { min-height:390px; padding:38px; display:flex; flex-direction:column; justify-content:flex-end; background:linear-gradient(145deg,#0b52b8,#1775e8 60%,#4aaeff); color:#fff; position:relative; overflow:hidden; }
.case-visual::before { content:""; position:absolute; width:300px; height:300px; right:-150px; top:-140px; border:48px solid rgba(255,255,255,.15); transform:rotate(45deg); }
.case-visual p { margin:0; font-size:12px; font-weight:900; }
.case-visual strong { margin-top:14px; font-size:clamp(50px,6vw,82px); line-height:1; }
.case-visual span { margin-top:12px; font-weight:800; }
.case-copy { padding:clamp(34px,5vw,64px); }
.case-copy h3 { margin:12px 0 30px; font-size:clamp(27px,3vw,42px); line-height:1.35; }
.case-copy dl { margin:0; display:grid; gap:12px; }
.case-copy dl div { padding:16px 0; display:grid; grid-template-columns:110px 1fr; gap:18px; border-top:1px solid var(--line); }
.case-copy dt { color:var(--muted); font-size:12px; font-weight:900; }
.case-copy dd { margin:0; font-weight:700; }
.trust-grid { margin-top:16px; display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.trust-grid article { padding:34px; border:1px solid var(--line); border-radius:20px; background:#f8fafb; }
.trust-grid strong { display:block; margin:16px 0; color:var(--blue); font-size:clamp(36px,4.4vw,58px); line-height:1; }
.trust-grid .registration-number { font-size:clamp(25px,3vw,42px); overflow-wrap:anywhere; }
.trust-grid h3 { margin:0 0 10px; font-size:22px; }
.trust-grid p:not(.section-tag) { color:var(--muted); }
.trust-grid a { color:var(--blue); font-weight:900; }

.terms { background:#f8fafb; }
.terms-panel { padding:clamp(38px,6vw,76px); display:grid; grid-template-columns:minmax(260px,.85fr) minmax(0,1.15fr); gap:clamp(50px,8vw,110px); border-radius:28px; background:var(--ink); color:#fff; }
.terms-panel .section-tag { color:#7fc4ff; }
.terms-panel > div:first-child > p:not(.section-tag) { color:#b7c5cf; }
.terms-panel .button { margin-top:24px; }
.term-factors { display:grid; gap:12px; }
.term-factors article { padding:23px; border:1px solid #355163; border-radius:14px; background:#153044; }
.term-factors span { color:#7fc4ff; font-size:11px; font-weight:900; }
.term-factors h3 { margin:8px 0 4px; font-size:21px; }
.term-factors p { margin:0; color:#b7c5cf; }

.faq { background:#fff; }
.faq-layout { display:grid; grid-template-columns:minmax(260px,.72fr) minmax(0,1.28fr); gap:clamp(50px,8vw,120px); align-items:start; }
.faq-heading { position:sticky; top:112px; }
.faq-heading h2 { font-size:clamp(40px,4.5vw,60px); }
.faq-list { display:grid; }
.faq-list details { border-top:1px solid var(--line); }
.faq-list details:last-child { border-bottom:1px solid var(--line); }
.faq-list summary { padding:23px 52px 23px 0; position:relative; list-style:none; cursor:pointer; font-weight:900; }
.faq-list summary::-webkit-details-marker { display:none; }
.faq-list summary::after { content:"＋"; position:absolute; right:4px; top:50%; transform:translateY(-50%); color:var(--blue); font-size:22px; }
.faq-list details[open] summary::after { content:"−"; }
.faq-list details p { margin:0; padding:0 52px 24px 0; color:var(--muted); }

.contact { padding:clamp(82px,10vw,140px) max(24px,calc((100% - 1180px)/2)); background:var(--blue); color:#fff; }
.contact-layout { display:grid; grid-template-columns:minmax(270px,.82fr) minmax(0,1.18fr); gap:clamp(48px,8vw,105px); align-items:start; }
.contact-copy .section-tag { color:#d3eaff; }
.contact-copy > p:not(.section-tag) { color:#dcecff; }
.contact-copy address { margin-top:32px; padding-top:26px; border-top:1px solid rgba(255,255,255,.3); color:#dcecff; font-style:normal; }
.contact-copy address a { font-weight:900; }
.contact form { padding:32px; display:grid; gap:17px; border-radius:22px; background:#fff; color:var(--ink); box-shadow:0 24px 60px rgba(7,25,40,.2); }
.field-row { display:grid; grid-template-columns:1fr 1fr; gap:14px; }
label { display:grid; gap:7px; font-size:13px; font-weight:800; }
label em { color:#d02f41; font-style:normal; font-size:10px; }
input,textarea { width:100%; padding:13px 14px; border:1px solid #bfcbd5; border-radius:9px; background:#f8fafb; color:var(--ink); font:inherit; }
input:focus-visible,textarea:focus-visible { outline:3px solid rgba(23,105,224,.24); outline-offset:0; border-color:var(--blue); }
.agree { display:flex; grid-template-columns:auto 1fr; align-items:center; font-weight:600; }
.agree input { width:18px; height:18px; }
.form-note { margin:0; color:var(--muted); font-size:11px; }

footer { padding:48px max(24px,calc((100% - 1180px)/2)); display:grid; grid-template-columns:1fr auto; gap:24px; align-items:center; background:#06131e; color:#fff; }
.footer-brand { color:#fff; }
footer p,footer small { color:#93a5b3; }
footer nav { display:flex; flex-wrap:wrap; gap:20px; font-size:12px; }
footer small { grid-column:1/-1; }

@media (max-width:1280px) {
  .site-header nav { display:none; }
  .hero-inner { min-height:auto; grid-template-columns:1fr; gap:42px; }
  .hero-copy { max-width:840px; }
  .hero-explainer { max-width:680px; }
}

@media (max-width:1080px) {
  .fit-panel,.process-layout,.faq-layout { grid-template-columns:1fr; }
  .process-heading,.faq-heading { position:static; }
  .capability-grid { grid-template-columns:repeat(2,1fr); }
}

@media (max-width:820px) {
  .service-grid { grid-template-columns:1fr; }
  .fit-grid,.trust-grid { grid-template-columns:1fr; }
  .role-grid { grid-template-columns:1fr; }
  .role-connector { height:48px; }
  .case-study,.terms-panel,.contact-layout { grid-template-columns:1fr; }
  .case-visual { min-height:300px; }
}

@media (max-width:620px) {
  .site-header { width:calc(100% - 20px); min-height:62px; top:8px; padding:8px 10px 8px 14px; }
  .brand strong { font-size:16px; }
  .header-cta { width:44px; height:44px; padding:0; display:grid; place-items:center; font-size:0; }
  .header-cta span { font-size:18px; }
  .hero { width:100%; margin-top:-62px; padding:126px 0 0; border-radius:0 0 28px 28px; }
  .hero-inner { width:calc(100% - 40px); min-height:auto; gap:34px; padding:42px 0 66px; }
  .shape-one { width:310px; height:310px; right:-112px; top:92px; border-width:52px; }
  .shape-two { width:220px; height:220px; right:188px; bottom:-118px; border-width:42px; }
  h1 { font-size:clamp(36px,9.7vw,48px); line-height:1.06; }
  h1 em .mobile-line { display:block; }
  h1 em .mobile-line + .mobile-line { margin-left:0; }
  .hero-lead { font-size:16px; }
  .hero-actions { align-items:flex-start; flex-direction:column; gap:22px; margin-top:30px; }
  .hero-explainer { padding:24px 20px; border-radius:20px; }
  .section { padding:72px 20px; }
  .fit { padding-top:32px; }
  .fit-panel,.capabilities-panel,.terms-panel { padding:30px 20px; border-radius:22px; }
  .fit-grid { grid-template-columns:1fr; }
  .fit-grid article { min-height:125px; }
  .section-heading h2,.fit-heading h2,.process-heading h2,.capabilities-heading h2,.faq-heading h2,.contact-copy h2,.terms-panel h2 { font-size:clamp(36px,10.8vw,48px); }
  .partnership .section-heading h2,.service .section-heading h2 { font-size:38px; }
  .partnership .section-heading h2 br,.service .section-heading h2 br { display:none; }
  .partnership-heading-line,.service-heading-line { display:block; }
  .terms-panel h2 { font-size:34px; }
  .terms-panel .no-break { white-space:normal; }
  .role-card { min-height:0; }
  .role-card,.service-grid article,.case-copy,.trust-grid article,.contact form { padding:26px 20px; }
  .service-grid article { min-height:0; }
  .capability-grid { grid-template-columns:1fr; }
  .capability-grid article { min-height:130px; }
  .case-copy dl div { grid-template-columns:1fr; gap:4px; }
  .field-row { grid-template-columns:1fr; }
  footer { grid-template-columns:1fr; }
}

@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  .button,.header-cta,.site-header nav a,.text-link,.trust-grid a,footer nav a { transition:none; }
}