/* Visual refinement only: wording/content/HTML structure unchanged */
:root{
  --navy:#102d46;--deep:#071d2d;--ink:#153247;--text:#5e7180;--blue:#2d7896;
  --soft:#f4f7f8;--line:#dce5e9;--max:1280px;--accent:#b49a72;
  --glass:rgba(255,255,255,.78);--shadow:0 22px 60px rgba(15,45,68,.10);
}
html{background:#fff}
body{
  font-family:"Hiragino Sans","Hiragino Kaku Gothic ProN","Yu Gothic UI","Yu Gothic","Noto Sans JP",Meiryo,sans-serif;
  color:var(--ink);background:#fff;letter-spacing:.035em;-webkit-font-smoothing:antialiased;
}
h1,h2,h3{font-family:"Hiragino Mincho ProN","Yu Mincho","YuMincho","Noto Serif JP",serif;font-feature-settings:"palt" 1;letter-spacing:.015em}
h1{font-weight:700;letter-spacing:-.02em;text-wrap:balance}
h2{font-weight:700;line-height:1.42;text-wrap:balance}
h3{font-weight:700;line-height:1.55}
p{line-height:1.95}
.wrap{width:min(var(--max),calc(100% - 96px))}
.section{padding:112px 0}
.eyebrow{font-family:Arial,"Helvetica Neue",sans-serif;font-size:11px;letter-spacing:.22em;font-weight:700;color:var(--blue);margin-bottom:18px}
.lead{color:var(--text)}
.header{background:rgba(255,255,255,.86);backdrop-filter:blur(18px) saturate(135%);-webkit-backdrop-filter:blur(18px) saturate(135%);border-bottom:1px solid rgba(196,210,218,.75);box-shadow:0 8px 30px rgba(13,45,66,.035)}
.headerIn{min-height:86px}
.brand{gap:2px}.brand strong{font-family:Arial,"Helvetica Neue",sans-serif;font-size:23px;font-weight:800;letter-spacing:.11em;color:#0b2940}.brand span{color:#70818d;letter-spacing:.075em}
.nav{gap:31px}.nav a{position:relative;font-size:13px;letter-spacing:.06em;color:#304b5e}.nav a:after{content:"";position:absolute;left:0;right:100%;bottom:-10px;height:1px;background:var(--accent);transition:right .25s ease}.nav a:hover:after{right:0}
.btn{border-radius:0;min-height:58px;padding:14px 26px;border-color:#afc1ca;letter-spacing:.04em;box-shadow:none;transition:background .25s,transform .25s,border-color .25s,box-shadow .25s}
.btn:hover{transform:translateY(-2px);box-shadow:0 12px 30px rgba(15,45,68,.10)}
.btn.primary{background:linear-gradient(135deg,#0c2c45 0%,#164a67 100%);border-color:#123b56;box-shadow:0 13px 28px rgba(11,46,73,.16)}
.btn.primary:hover{background:linear-gradient(135deg,#133b58,#216781);box-shadow:0 18px 34px rgba(11,46,73,.22)}
.btn.white{box-shadow:0 12px 34px rgba(0,0,0,.08)}
.hero{background:#eef3f4;isolation:isolate}
.hero:before{content:"";position:absolute;inset:0;z-index:0;background:linear-gradient(120deg,rgba(255,255,255,.62) 0%,rgba(255,255,255,.08) 52%,rgba(6,37,58,.06) 100%);pointer-events:none}
.hero:after{content:"";position:absolute;left:0;bottom:0;width:36%;height:1px;background:linear-gradient(90deg,var(--accent),transparent);z-index:2}
.heroPhoto{inset:0 0 0 33%;filter:saturate(.88) contrast(1.035)}
.heroPhoto:after{background:linear-gradient(90deg,#eef3f4 0%,rgba(238,243,244,.96) 15%,rgba(238,243,244,.76) 35%,rgba(238,243,244,.20) 67%,rgba(238,243,244,.04) 100%)}
.heroIn{min-height:680px;padding:90px 0 100px;z-index:1}
.heroCopy{max-width:790px;padding:34px 0}
.hero .eyebrow{border-bottom:0;padding-bottom:0;margin-bottom:24px;color:#456f84}
.hero .eyebrow:after{content:"";display:block;width:70px;height:1px;background:var(--accent);margin-top:14px}
.heroCoverage{margin-bottom:20px}.heroCoverage span{background:#0b314b;padding:8px 16px;font-family:Arial,"Helvetica Neue",sans-serif;font-size:13px;letter-spacing:.16em;box-shadow:0 8px 18px rgba(9,43,66,.14)}
.heroCoverage strong{font-size:13px;color:#506777}
.heroRole{font-family:"Hiragino Sans","Yu Gothic",sans-serif;font-size:18px;letter-spacing:.035em;color:#294b62}
.heroCopy .lead{font-size:15px;color:#5b7180;line-height:2}
.photoStart{margin-top:24px;font-size:13px;letter-spacing:.05em;color:#243f52}
.actions{gap:12px;margin-top:15px}
.heroFoot{color:#758590;letter-spacing:.03em}.heroLabel{color:#6b7f8c;letter-spacing:.18em}
.trustStrip{background:linear-gradient(105deg,#09273d 0%,#0e3853 58%,#123f5c 100%);position:relative;overflow:hidden}
.trustStrip:after{content:"";position:absolute;inset:-50% -10% auto auto;width:430px;height:430px;border:1px solid rgba(255,255,255,.06);transform:rotate(45deg)}
.trustIn{padding:33px 0}.trustItem{padding:0 34px;border-right-color:rgba(183,211,225,.28)}
.trustItem span{font-family:Arial,sans-serif;color:#9fc4d5;font-size:11px;letter-spacing:.2em}.trustItem h3{font-family:"Hiragino Sans","Yu Gothic",sans-serif;font-weight:700;font-size:18px;letter-spacing:.03em;color:#fff}.trustItem p{font-size:13px;color:#c3d6df}
.section:not(.network):not(.contact):not(.soft){background:linear-gradient(180deg,#fff 0%,#fbfcfc 100%)}
.sectionHead{margin-bottom:47px}.sectionHead p{font-size:15px;line-height:2;color:#617583}
.concernGrid{grid-template-columns:repeat(3,1fr);gap:0;border-top:0;margin-top:45px;border-left:1px solid var(--line)}
.concern{padding:30px 30px 34px;border-top:1px solid var(--line);border-right:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.75);min-height:275px;transition:transform .25s,box-shadow .25s,background .25s}
.concern:nth-child(n+4){border-top:0}.concern:hover{transform:translateY(-5px);box-shadow:var(--shadow);background:#fff;z-index:2}
.concern .num{font-family:Arial,sans-serif;font-size:11px;letter-spacing:.12em;color:#5d8ca2;margin-bottom:18px}.concern h3{font-size:20px}.concern p{font-size:14px;line-height:1.95;color:#637684}
.scopeNote{margin-top:28px;padding-left:18px;border-left:2px solid var(--accent);font-size:13px;line-height:1.9}
.soft{background:linear-gradient(180deg,#f3f6f7 0%,#eef3f4 100%);position:relative}.soft:before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,#c7d5dc,transparent)}
.services{gap:24px}.service{border:1px solid rgba(197,211,218,.9);background:rgba(255,255,255,.9);box-shadow:0 12px 34px rgba(16,45,67,.05);overflow:hidden;transition:transform .35s,box-shadow .35s}
.service:hover{transform:translateY(-7px);box-shadow:0 26px 55px rgba(16,45,67,.11)}
.service .media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 62%,rgba(5,31,48,.11));pointer-events:none}.serviceBody{padding:28px 25px 25px}.service h3{font-size:20px;color:#15364c}.service p{font-size:14px;line-height:1.9}.service button{border-top-color:#dce5e8;color:#244b64;letter-spacing:.03em}.imageNote{background:rgba(255,255,255,.88);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.68)}
.network{background:radial-gradient(circle at 78% 20%,rgba(78,137,164,.18),transparent 32%),linear-gradient(135deg,#061f31 0%,#0b2f48 52%,#0d3a54 100%)}
.network:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.022) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.022) 1px,transparent 1px);background-size:46px 46px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.65),transparent 90%);pointer-events:none}
.networkIntro,.networkGrid,.networkBottom,.network> .wrap > p{position:relative;z-index:1}.networkIntro{gap:80px}.networkIntro p{font-size:15px;line-height:2.05;color:#c7d9e1}.party{border-color:rgba(159,194,210,.35);padding:32px;background:rgba(255,255,255,.018);backdrop-filter:blur(3px)}.party small{font-family:Arial,sans-serif;letter-spacing:.18em}.party h3{font-size:23px}.party p{font-size:14px}.party.main{background:linear-gradient(155deg,rgba(255,255,255,.98),rgba(243,248,250,.95));box-shadow:0 24px 60px rgba(0,0,0,.19);position:relative}.party.main:before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:var(--accent)}
.roles span{font-size:13px;padding-top:10px}.networkBottom{border-top-color:rgba(163,194,208,.28);padding-top:26px}.networkBottom p{font-size:14px;line-height:1.95}
.caseGrid{gap:30px}.case{border-bottom:0;padding-bottom:0;background:#fff;box-shadow:0 14px 42px rgba(16,45,67,.07);transition:transform .3s,box-shadow .3s}.case:hover{transform:translateY(-6px);box-shadow:0 28px 60px rgba(16,45,67,.12)}.case .media{overflow:hidden}.case .media:after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(5,29,44,.15));pointer-events:none}.caseTag{top:16px;left:16px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);font-family:Arial,sans-serif;font-size:10px;letter-spacing:.12em}.case h3,.case dl,.case .textlink,.case .btn{margin-left:22px;margin-right:22px}.case h3{margin-top:24px}.case dl{padding-bottom:4px}.case .textlink{margin-bottom:24px}.case .btn{width:calc(100% - 44px);margin-bottom:22px}.case dt{font-family:Arial,sans-serif;font-size:10px;letter-spacing:.12em}.case dd{font-size:14px;line-height:1.8}
.flowLayout{gap:95px}.flowAside{position:sticky;top:125px;align-self:start}.flowAside p{font-size:15px}.ready{border-left-color:var(--accent);padding-left:24px}.steps{counter-reset:none}.step{grid-template-columns:58px 1fr;padding:30px 0}.stepNum{font-family:Georgia,"Times New Roman",serif;font-size:30px;color:#7999aa}.step h3{font-family:"Hiragino Sans","Yu Gothic",sans-serif;font-size:19px}.owner{border-color:#c8d6dd;background:#f7f9fa;font-size:10px;letter-spacing:.04em}.step p{font-size:14px;line-height:1.95}
.faqLayout{gap:95px}.faqLayout>div:first-child{position:sticky;top:125px;align-self:start}details{border-top-color:#dbe4e8}summary{padding:26px 48px 26px 0;font-family:"Hiragino Sans","Yu Gothic",sans-serif;font-size:15px;letter-spacing:.02em}summary:after{font-family:Arial,sans-serif;font-size:20px;font-weight:300;color:#6d93a7}.faqLayout details p{font-size:14px;line-height:2}
.contact{background:radial-gradient(circle at 85% 25%,rgba(71,128,154,.15),transparent 28%),linear-gradient(120deg,#eef3f4,#f8faf9 55%,#edf3f3);border-top:1px solid #d7e2e6;position:relative;overflow:hidden}.contact:after{content:"";position:absolute;right:-120px;bottom:-220px;width:480px;height:480px;border:1px solid rgba(17,72,100,.08);transform:rotate(45deg)}.contactIn{position:relative;z-index:1;gap:85px}.contact h2{font-size:clamp(31px,3.2vw,44px)}.contact p{font-size:15px;line-height:2}.contactActions{background:rgba(255,255,255,.74);border:1px solid rgba(199,213,220,.82);padding:28px;box-shadow:0 22px 55px rgba(16,45,67,.08);backdrop-filter:blur(10px)}.contactActions .btn{margin-bottom:10px}.consultCost{color:#6f808b}
.footer{background:linear-gradient(105deg,#061b2a,#0a293f);padding:40px 0}.footer strong{font-family:Arial,sans-serif;letter-spacing:.08em}.footer p,.footer a{color:#a9c0ce}.footer a{border-bottom:1px solid rgba(180,154,114,.65);padding-bottom:4px}
dialog{border-radius:0;box-shadow:0 34px 110px rgba(2,21,34,.36);background:#fff}dialog::backdrop{background:rgba(3,22,35,.68);backdrop-filter:blur(4px)}.dialogIn{padding:38px}.dialogTop{padding-bottom:16px;border-bottom:1px solid var(--line)}.dialogTop h2{font-size:29px}.close{border-radius:50%;border-color:#d6e1e6;color:#36586d}.previewNote,.consultGuide,#consultForm>.consultCost,#reviewText{border-radius:0}.previewNote{border-left:3px solid var(--accent);background:#f6f8f8}.consultGuide{border-left-color:#4f8198;background:#f3f6f7}input,select,textarea{border-color:#c5d3da;background:#fcfdfd;transition:border-color .2s,box-shadow .2s,background .2s}input:focus,select:focus,textarea:focus{outline:none;border-color:#628fa4;background:#fff;box-shadow:0 0 0 3px rgba(71,127,153,.11)}label{font-size:13px;color:#28475b}.hint{color:#7a8b96}
.mobileBar{box-shadow:0 -14px 35px rgba(13,45,66,.11)}
@media(max-width:1120px){.wrap{width:min(var(--max),calc(100% - 56px))}.section{padding:92px 0}.heroPhoto{inset:0 0 0 27%}.concern{min-height:0}.networkIntro{gap:45px}.flowLayout,.faqLayout{gap:52px}.flowAside,.faqLayout>div:first-child{position:static}}
@media(max-width:800px){.wrap{width:calc(100% - 36px)}.section{padding:72px 0}.header{backdrop-filter:blur(14px)}.headerIn{min-height:70px}.header .btn{min-height:44px}.heroIn{min-height:620px;padding:54px 0 70px}.heroPhoto{inset:0;background-position:64% center;filter:saturate(.72) contrast(1.02)}.heroPhoto:after{background:linear-gradient(90deg,rgba(240,244,245,.985),rgba(240,244,245,.90) 64%,rgba(240,244,245,.62))}.heroCopy{padding:15px 0}.trustIn{padding:10px 0}.trustItem{padding:20px 0}.concernGrid{border-left:0;display:grid;gap:0}.concern,.concern:nth-child(n+4){border-left:1px solid var(--line);border-right:1px solid var(--line);border-top:0}.concern:first-child{border-top:1px solid var(--line)}.services{gap:18px}.networkIntro,.networkGrid,.flowLayout,.faqLayout,.contactIn{gap:34px}.party{padding:25px}.caseGrid{gap:30px}.contactActions{padding:20px}.dialogIn{padding:27px 21px}}
@media(max-width:480px){h1{font-size:35px;line-height:1.5}.heroSub{font-size:18px}.heroRole{font-size:15px}.heroCopy .lead{font-size:14px}.heroCoverage span{font-size:12px}.btn{min-height:54px}.serviceBody{padding:22px 19px}.case h3,.case dl,.case .textlink,.case .btn{margin-left:18px;margin-right:18px}.case .btn{width:calc(100% - 36px)}.contactActions{margin-left:-4px;margin-right:-4px}.footer{padding-bottom:112px}}

.scopeSwitch{font-size:12px;line-height:1.8;color:#6f808b;margin-top:12px;max-width:700px}
.scopeSwitch a{color:var(--blue);font-weight:700;text-decoration:underline;text-underline-offset:4px}
.scopeSwitch a:hover{color:var(--navy)}
.contactActions .scopeSwitch{margin:2px 0 14px}
@media(max-width:480px){.scopeSwitch{font-size:11px}}

/* WHY / HISTORY - compact credibility section */
.historySection{background:#fff;position:relative;overflow:hidden}
.historySection:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 92% 12%,rgba(45,120,150,.08),transparent 28%),linear-gradient(180deg,#fff 0%,#f7f9f9 100%);pointer-events:none}
.historySection .wrap{position:relative;z-index:1}
.historyHead{display:grid;grid-template-columns:.9fr 1.1fr;gap:72px;align-items:end;margin-bottom:44px}
.historyHead p{font-size:15px;line-height:2;color:var(--text)}
.historyHead strong{color:var(--navy)}
.historyTrack{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid #cfdce2;border-bottom:1px solid #cfdce2;background:rgba(255,255,255,.72)}
.historyItem{position:relative;padding:30px 22px 28px;border-right:1px solid #dbe5e9;min-height:245px}
.historyItem:last-child{border-right:0}
.historyItem:before{content:"";position:absolute;top:-5px;left:22px;width:9px;height:9px;border-radius:50%;background:var(--blue);box-shadow:0 0 0 5px #fff}
.historyYear{font-family:Georgia,"Times New Roman",serif;font-size:29px;line-height:1.1;color:#123a55;margin-bottom:16px;letter-spacing:-.02em}
.historyItem h3{font-family:"Hiragino Sans","Yu Gothic",sans-serif;font-size:16px;line-height:1.65;margin-bottom:9px;color:#193b51}
.historyItem p{font-size:12px;line-height:1.85;color:#6a7d89}
.historyItem.key{background:linear-gradient(180deg,rgba(240,247,249,.75),rgba(255,255,255,.9))}
.historyItem.now{background:linear-gradient(145deg,#0b2d46,#123f5d);color:#fff}
.historyItem.now:before{background:var(--accent)}
.historyItem.now .historyYear,.historyItem.now h3{color:#fff}
.historyItem.now p{color:#c6d8e2}
.historyConclusion{display:grid;grid-template-columns:1.2fr .8fr;gap:36px;align-items:center;margin-top:28px;padding:27px 30px;background:#0b2d46;color:#fff;border-left:3px solid var(--accent)}
.historyConclusion strong{font-size:22px;line-height:1.7;font-family:"Hiragino Mincho ProN","Yu Mincho",serif}
.historyConclusion p{font-size:13px;line-height:1.9;color:#c8d9e2}
@media(max-width:1120px){.historyHead{gap:40px}.historyTrack{grid-template-columns:repeat(3,1fr)}.historyItem:nth-child(3){border-right:0}.historyItem:nth-child(-n+3){border-bottom:1px solid #dbe5e9}}
@media(max-width:800px){.historyHead{grid-template-columns:1fr;gap:18px;margin-bottom:30px}.historyTrack{grid-template-columns:1fr 1fr}.historyItem{min-height:210px}.historyItem:nth-child(3){border-right:1px solid #dbe5e9}.historyItem:nth-child(2n){border-right:0}.historyItem:nth-child(-n+4){border-bottom:1px solid #dbe5e9}.historyConclusion{grid-template-columns:1fr;gap:9px;padding:23px}.historyConclusion strong{font-size:19px}}
@media(max-width:480px){.historyTrack{grid-template-columns:1fr}.historyItem,.historyItem:nth-child(3){border-right:0!important;border-bottom:1px solid #dbe5e9!important;min-height:0;padding:27px 20px}.historyItem:last-child{border-bottom:0!important}.historyConclusion{margin-top:22px}.historyConclusion strong{font-size:18px}}