/* ==========================================================================
   BBS Tech Solutions / DeeSpot — light editorial B2B
   Ground #f5f8fc / ink #0f172a / single accent #1d4ed8 / secondary #0284c7
   Dark surfaces: pricing band + footer only.
   ========================================================================== */

:root{
  --bg:#f5f8fc;
  --ink:#0f172a;
  --accent:#1d4ed8;
  --accent-dark:#1e40af;
  --accent-2:#0284c7;          /* webgl gradient + review stars only */
  --surface:#ffffff;
  --surface-2:#eaf0f9;
  --muted:#47536e;
  --hairline:rgba(15,23,42,.14);
  --hairline-strong:rgba(15,23,42,.32);
  --on-accent:#ffffff;
  --dark:#0f172a;
  --on-dark:#ffffff;
  --on-dark-muted:rgba(255,255,255,.74);
  --on-dark-faint:rgba(255,255,255,.5);
  --hairline-dark:rgba(255,255,255,.16);

  --chrome-h:72px;
  --rail-w:48px;
  --gutter:8vw;
  --ewb-panel-display:block;

  --display:'Montserrat','Noto Sans JP',sans-serif;
  --bodyjp:'Noto Sans JP','Hiragino Kaku Gothic ProN',sans-serif;
  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- base ---------- */
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--bodyjp);
  font-size:16px;
  font-weight:400;
  line-height:1.9;
  letter-spacing:.04em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit}
::selection{background:var(--accent);color:var(--on-accent)}

.container{padding-left:var(--gutter);padding-right:var(--gutter)}
.section{padding-block:clamp(72px,9vw,140px)}
.section + .section{padding-top:0}
[id]{scroll-margin-top:calc(var(--chrome-h) + 24px)}

.kicker{
  font-family:var(--display);
  font-weight:700;
  font-size:12px;
  letter-spacing:.28em;
  text-transform:uppercase;
  color:var(--accent);
  margin:0 0 20px;
}
.kicker--jp{letter-spacing:.2em}

h2{font-size:clamp(30px,4.2vw,52px);font-weight:500;line-height:1.35;letter-spacing:.02em;margin:0 0 clamp(28px,4vw,48px)}
h3{font-size:clamp(19px,1.8vw,24px);font-weight:500;line-height:1.5;letter-spacing:.03em;margin:0}
p{margin:0 0 1.4em}
.lede{font-size:clamp(16px,1.4vw,19px);max-inline-size:42ic}
.body-text{max-inline-size:44ic;color:var(--ink)}
.muted{color:var(--muted)}

/* latin decorative labels are never the only heading */
.en-label{font-family:var(--display);font-weight:700;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--accent)}

/* ---------- fixed right rail (Menu / Contact) ---------- */
.ewb-navtoggle,.rail-contact{
  position:fixed;right:0;z-index:70;
  width:var(--rail-w);
  display:flex;align-items:center;justify-content:center;
  background:transparent;border:0;cursor:pointer;
  border-left:1px solid var(--hairline);
  text-decoration:none;
}
.ewb-navtoggle{top:0;height:120px}
.rail-contact{top:120px;height:120px;border-top:1px solid var(--hairline)}
.rail-label{
  writing-mode:vertical-rl;
  font-family:var(--display);font-weight:700;
  font-size:11px;letter-spacing:.32em;text-transform:uppercase;
  color:var(--ink);
}
.ewb-navtoggle:hover .rail-label,.rail-contact:hover .rail-label{color:var(--accent)}

/* ---------- header ---------- */
.site-head{
  position:fixed;top:0;left:0;right:0;z-index:60;
  height:var(--chrome-h);
  display:flex;align-items:center;
  transition:background .35s var(--ease),height .35s var(--ease),box-shadow .35s var(--ease);
}
.site-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:transparent;transition:background .35s var(--ease);
}
.site-head.is-scrolled{
  height:60px;
  background:rgba(245,248,252,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.site-head.is-scrolled::after{background:var(--hairline)}

.ewb-brand{
  font-family:var(--display);font-weight:700;
  font-size:18px;letter-spacing:.06em;line-height:1.05;
  color:var(--ink);text-decoration:none;
  display:flex;flex-direction:column;gap:2px;
  margin-left:var(--gutter);
}
.ewb-brand small{font-family:var(--display);font-weight:700;font-size:8.5px;letter-spacing:.34em;color:var(--accent)}

.head-inner{flex:1;display:flex;align-items:center;min-width:0}
.ewb-navpanel{margin-left:auto}
.ewb-navpanel ul{display:flex;gap:clamp(16px,2vw,30px);list-style:none;margin:0;padding:0}
.ewb-navpanel a{
  position:relative;display:inline-block;
  font-size:13px;letter-spacing:.12em;text-decoration:none;
  padding:10px 0;color:var(--ink);
}
.ewb-navpanel a::after{
  content:"";position:absolute;left:0;right:0;bottom:6px;height:1px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;
  transition:transform .4s var(--ease);
}
.ewb-navpanel a:hover::after{transform:scaleX(1)}

.lets-talk{
  font-family:var(--display);font-weight:700;
  font-size:12px;letter-spacing:.3em;text-transform:uppercase;
  color:var(--accent);text-decoration:none;
  border-bottom:1px solid var(--accent);
  padding-bottom:3px;margin-left:clamp(20px,2.5vw,40px);margin-right:calc(var(--rail-w) + 28px);
  white-space:nowrap;
}
.lets-talk:hover{color:var(--accent-dark);border-color:var(--accent-dark)}

/* mobile panel */
@media (max-width:900px){
  .lets-talk{display:none}
  .ewb-navpanel{
    display:none;
    position:fixed;top:calc(var(--chrome-h) + 10px);left:14px;
    right:calc(var(--rail-w) + 14px);
    background:var(--surface);border:1px solid var(--hairline);
    padding:26px 28px;z-index:65;
  }
  .ewb-chrome-nav[data-open="true"] .ewb-navpanel{display:var(--ewb-panel-display,block)}
  .ewb-navpanel ul{flex-direction:column;gap:0}
  .ewb-navpanel a{display:block;font-size:15px;padding:12px 0;min-height:44px}
  .ewb-brand{margin-left:calc(var(--rail-w) + 16px)}
  .head-inner{justify-content:flex-start}
  .ewb-navpanel{margin-left:0}
  :root{--gutter:24px}
  .container{padding-right:calc(var(--rail-w) + 24px)}
}
@media (min-width:901px){
  .ewb-chrome-nav[data-open="true"] .ewb-navpanel{display:block}
  .ewb-chrome-nav[data-open="true"] .ewb-navpanel ul{display:flex}
}

/* ---------- hero ---------- */
.hero{
  position:relative;
  min-height:max(640px,100svh);
  display:flex;flex-direction:column;
  overflow:clip;
  padding-top:calc(var(--chrome-h) + 5vh);
}
.hero-gl{
  position:absolute;inset:0;z-index:0;
  background:linear-gradient(118deg,rgba(29,78,216,.10),rgba(2,132,199,.07) 55%,rgba(245,248,252,0) 85%);
}
.ghost{
  position:absolute;z-index:1;
  top:1vh;right:-.1em;
  font-family:var(--display);font-weight:700;
  font-size:60vw;line-height:.8;letter-spacing:-.02em;
  color:rgba(15,23,42,.05);
  user-select:none;pointer-events:none;white-space:nowrap;
}
@supports (-webkit-text-stroke:1px black){
  .ghost{color:transparent;-webkit-text-stroke:1px rgba(15,23,42,.12)}
}
html.motion-on .ghost{
  background-image:linear-gradient(0deg,var(--accent),var(--accent));
  background-repeat:no-repeat;background-position:left bottom;
  background-size:0% 0%;
  -webkit-background-clip:text;background-clip:text;
}
.hero-inner{position:relative;z-index:2;padding-bottom:clamp(40px,6vh,72px)}
.hero h1{margin:0 0 clamp(24px,3vh,40px);font-weight:500;line-height:1.3}
.hero h1 .lat{
  display:block;font-family:var(--display);font-weight:700;
  font-size:clamp(56px,9vw,120px);letter-spacing:-.02em;line-height:.95;
}
.hero h1 .jp{display:block;font-size:clamp(22px,3vw,38px);letter-spacing:.04em;margin-top:.5em}
.hero .lede{margin-bottom:clamp(28px,4vh,44px)}
.hero-cta{display:flex;flex-wrap:wrap;align-items:center;gap:16px 28px}

.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:52px;padding:14px 34px;
  background:var(--accent);color:var(--on-accent);
  font-size:14px;letter-spacing:.12em;font-weight:500;
  text-decoration:none;border-radius:0;
  transition:background .3s var(--ease);
}
.btn:hover{background:var(--accent-dark)}
.link-underline{
  color:var(--accent);font-size:14px;letter-spacing:.08em;font-weight:500;
  text-decoration:underline;text-underline-offset:5px;text-decoration-thickness:1px;
  min-height:44px;display:inline-flex;align-items:center;
}
.link-underline:hover{color:var(--accent-dark)}

.hero-band{
  position:relative;z-index:2;
  margin-top:auto;
  margin-left:var(--gutter);
  width:calc(100% - var(--gutter) - var(--rail-w));
  height:clamp(190px,32vh,340px);
}
.hero-band img{width:100%;height:100%;object-fit:cover;object-position:50% 30%}

/* ---------- about ---------- */
.about-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:32px 48px;align-items:start}
.about-copy{grid-column:1/8}
.about-photo{grid-column:8/13;margin-top:8px}
.about-photo img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--hairline)}
.points{margin-top:clamp(48px,6vw,80px);list-style:none;padding:0;margin-bottom:0}
.points li{
  display:grid;grid-template-columns:88px 1fr;gap:24px;align-items:baseline;
  padding:26px 0;border-top:1px solid var(--hairline-strong);
}
.points .num{font-family:var(--display);font-weight:700;font-size:14px;letter-spacing:.2em;color:var(--accent)}
.points .pt{font-size:clamp(17px,1.6vw,21px);font-weight:500;letter-spacing:.03em;line-height:1.7}

/* ---------- services ---------- */
.svc-intro{max-inline-size:46ic;margin-bottom:clamp(40px,5vw,64px)}
.svc-list{border-top:1px solid var(--hairline-strong)}
.svc-row{
  position:relative;
  display:grid;grid-template-columns:72px minmax(200px,4fr) 6fr;
  gap:16px 32px;align-items:baseline;
  padding:clamp(28px,3.5vw,44px) 0 clamp(28px,3.5vw,44px) 26px;
  border-bottom:1px solid var(--hairline-strong);
}
.svc-row::before{
  content:"";position:absolute;left:0;top:-1px;bottom:-1px;width:2px;
  background:var(--accent);transform-origin:top;
}
.svc-num{font-family:var(--display);font-weight:700;font-size:13px;letter-spacing:.22em;color:var(--accent)}
.svc-row h3{font-size:clamp(21px,2.2vw,30px)}
.svc-desc{font-size:15px;color:var(--muted);max-inline-size:40ic}
/* one composed breach of the right margin */
.svc-row--bleed{margin-right:max(-5vw,calc(-1*var(--gutter) + 40px))}
.svc-row--bleed .svc-desc{max-inline-size:none}

/* ---------- navy pricing band ---------- */
.band{background:var(--dark);color:var(--on-dark);padding-block:clamp(72px,8vw,120px)}
.band .kicker{color:#7ea2ff}
.band h2{color:var(--on-dark)}
.band .lede{color:var(--on-dark-muted)}
.band-specs{
  display:grid;grid-template-columns:repeat(3,1fr);
  border-top:1px solid var(--hairline-dark);
  border-bottom:1px solid var(--hairline-dark);
  margin:clamp(40px,5vw,64px) 0;
}
.spec{padding:clamp(28px,3vw,44px) clamp(20px,2.4vw,36px);border-left:1px solid var(--hairline-dark)}
.spec:first-child{border-left:0;padding-left:0}
.spec-label{font-size:13px;letter-spacing:.12em;color:var(--on-dark-muted);margin:0 0 14px}
.spec .num{font-family:var(--display);font-weight:700;font-size:clamp(30px,3.2vw,48px);letter-spacing:-.02em;line-height:1;color:var(--on-dark)}
.spec .unit{font-size:14px;color:var(--on-dark-muted);margin-left:8px;letter-spacing:.05em}
.band-notes{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);gap:0 clamp(28px,4vw,56px)}
.band-notes li{
  font-size:14px;line-height:1.9;color:var(--on-dark-muted);
  padding:14px 0;border-top:1px solid var(--hairline-dark);
}
.band-notes .en-label{color:#7ea2ff;display:block;margin-bottom:4px;font-size:10px}

/* ---------- gallery ---------- */
.gallery-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:20px 16px;margin-top:clamp(36px,4vw,56px)}
.gallery-grid figure{margin:0;overflow:hidden}
.gallery-grid img{width:100%;height:100%;object-fit:cover}
.gallery-grid figcaption{font-size:12px;letter-spacing:.14em;color:var(--muted);margin-top:10px}
.g1{grid-column:span 7;aspect-ratio:4/3}
.g2{grid-column:span 5;aspect-ratio:4/5}
.g3{grid-column:span 5;aspect-ratio:4/3}
.g4{grid-column:span 4;aspect-ratio:1/1}
.g5{grid-column:span 3;aspect-ratio:3/4}
.g6{grid-column:span 6;aspect-ratio:3/2}
.g7{grid-column:span 6;aspect-ratio:3/4}
.g8{grid-column:span 7;aspect-ratio:4/3}
.g9{grid-column:span 5;aspect-ratio:1/1}

/* ---------- proof: FAQ teaser + review card ---------- */
.proof{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:start}
.proof-card{background:var(--surface);border:1px solid var(--hairline);padding:clamp(28px,3vw,44px)}
.proof-faq{grid-column:span 7}
.proof-review{grid-column:span 5}
.proof-card .en-label{display:block;margin-bottom:18px}
.proof-more{margin:22px 0 0}

/* accordion — shared with faq.html */
details{border-top:1px solid var(--hairline)}
details:last-of-type{border-bottom:1px solid var(--hairline)}
summary{
  cursor:pointer;list-style:none;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:56px;padding:14px 0;
  font-weight:500;font-size:16px;letter-spacing:.02em;
}
summary::-webkit-details-marker{display:none}
summary::after{
  content:"+";font-family:var(--display);font-weight:700;
  font-size:18px;color:var(--accent);flex:none;line-height:1;
}
details[open] summary::after{content:"−"}
details p{margin:0;padding:0 32px 22px 0;font-size:15px;color:var(--muted)}

/* review card */
.review{background:var(--surface);border:1px solid var(--hairline);padding:clamp(28px,3vw,44px)}
.review .stars{color:var(--accent-2);font-size:14px;letter-spacing:.18em;margin:0 0 16px}
.review .review-body{font-size:15px;color:var(--ink);margin-bottom:20px}
.review .author{font-weight:500;font-size:14px;letter-spacing:.08em;margin:0}
.rating-note{font-size:13px;color:var(--muted);letter-spacing:.06em}

/* ---------- sns ---------- */
.sns-list{list-style:none;margin:clamp(28px,3vw,44px) 0 0;padding:0;border-bottom:1px solid var(--hairline-strong)}
.sns-list li{border-top:1px solid var(--hairline-strong)}
.sns-list a{
  display:flex;align-items:baseline;justify-content:space-between;gap:20px;
  padding:24px 0;text-decoration:none;min-height:44px;
}
.sns-list .handle{font-family:var(--display);font-weight:700;font-size:clamp(18px,2vw,26px);letter-spacing:.01em}
.sns-list .role{font-size:13px;color:var(--muted);letter-spacing:.08em}
.sns-list a:hover .handle{color:var(--accent)}

/* ---------- access / contact split ---------- */
.access-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:40px 48px;align-items:start}
.access-facts{grid-column:1/8}
.access-cta{grid-column:8/13}
.facts{margin:0}
.facts>div{display:grid;grid-template-columns:88px 1fr;gap:16px;padding:16px 0;border-top:1px solid var(--hairline)}
.facts>div:last-child{border-bottom:1px solid var(--hairline)}
.facts dt{font-size:13px;font-weight:500;letter-spacing:.1em;color:var(--muted)}
.facts dd{margin:0;font-size:15px}
.facts a{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px}
.facts a:hover{color:var(--accent-dark)}
.map{margin-top:32px;border:1px solid var(--hairline)}
.map iframe{display:block;width:100%;height:320px;border:0}
.access-cta .btn{width:100%;justify-content:center}
.access-cta ul{list-style:none;margin:24px 0 0;padding:0}
.access-cta li{padding:14px 0;border-top:1px solid var(--hairline);font-size:14px}
.access-cta li:first-child{border-top:0}
.access-cta a{color:var(--accent);text-decoration:underline;text-underline-offset:4px}
.access-cta a:hover{color:var(--accent-dark)}

/* ---------- footer ---------- */
.site-foot{
  background:var(--dark);color:var(--on-dark);
  overflow:hidden;margin-top:clamp(72px,9vw,140px);
}
.foot-mark{
  font-family:var(--display);font-weight:700;
  font-size:clamp(60px,10.5vw,164px);
  letter-spacing:-.02em;line-height:1;white-space:nowrap;
  margin:0;color:rgba(255,255,255,.08);
  transform:translateY(-.24em);   /* cropped by the footer's top edge */
}
@supports (-webkit-text-stroke:1px black){
  .foot-mark{color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.2)}
}
.foot-cols{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px 56px;
  padding:clamp(32px,4vw,56px) 0 clamp(40px,5vw,64px);
  border-top:1px solid var(--hairline-dark);
}
.foot-cols h3{font-family:var(--display);font-weight:700;font-size:11px;letter-spacing:.32em;text-transform:uppercase;color:var(--on-dark-faint);margin:0 0 18px}
.foot-cols p,.foot-cols li{font-size:13px;line-height:2.1;letter-spacing:.05em;color:var(--on-dark-muted)}
.foot-cols ul{list-style:none;margin:0;padding:0}
.foot-cols a{color:var(--on-dark-muted);text-decoration:none}
.foot-cols a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot-bar{
  border-top:1px solid var(--hairline-dark);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:8px 32px;justify-content:space-between;
  font-size:12px;letter-spacing:.08em;color:var(--on-dark-faint);
}

/* ---------- sub-page components (faq.html / reviews.html) ---------- */
.page-main{padding-top:calc(var(--chrome-h) + clamp(48px,8vh,88px))}
.page-lead{padding-bottom:clamp(48px,6vw,80px)}
.page-lead h1{font-size:clamp(34px,4.5vw,56px);font-weight:500;line-height:1.35;letter-spacing:.02em;margin:0 0 20px}
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.faq-card{background:var(--surface);border:1px solid var(--hairline);padding:10px 30px 26px}
.faq-card details:last-of-type{border-bottom:0}
.strip{
  background:var(--surface);border:1px solid var(--hairline);
  padding:clamp(28px,3.5vw,48px);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.strip p{margin:0;font-weight:500}
.reviews-list{display:grid;gap:24px}

/* ---------- motion (hidden halves live under html.motion-on only) ---------- */
@media (prefers-reduced-motion:no-preference){
  html.motion-on [data-reveal]{
    opacity:0;transform:translateY(26px);
    transition:opacity .9s var(--ease),transform .9s var(--ease);
  }
  html.motion-on [data-reveal].is-in{opacity:1;transform:none}
  .line-mask{overflow:hidden;display:block}
  html.motion-on .line-mask>span{
    display:inline-block;transform:translateY(112%);
    transition:transform 1s var(--ease);
  }
  html.motion-on .is-in>span,html.motion-on .line-mask.is-in>span{transform:none}
  html.motion-on .svc-row::before{transform:scaleY(0);transition:transform 1.1s var(--ease)}
  html.motion-on .svc-row.is-in::before{transform:none}
  html.motion-on [data-preload] .preload-mark{animation:preloadwipe .55s .9s var(--ease) forwards}
  @keyframes preloadwipe{to{clip-path:inset(0 0 100% 0)}}
}
.preload-mark{
  font-family:var(--display);font-weight:700;
  font-size:clamp(56px,10vw,120px);letter-spacing:-.02em;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(255,255,255,.55);
  display:inline-block;
}

/* ---------- narrow screens ---------- */
@media (max-width:900px){
  body{font-size:15px}
  .about-grid,.access-grid{grid-template-columns:1fr;gap:32px}
  .about-copy,.about-photo,.access-facts,.access-cta{grid-column:auto}
  .svc-row{grid-template-columns:48px 1fr;grid-template-areas:"num name" "num desc"}
  .svc-row .svc-num{grid-area:num}
  .svc-row h3{grid-area:name}
  .svc-row .svc-desc{grid-area:desc}
  .svc-row--bleed{margin-right:0}
  .band-specs{grid-template-columns:1fr}
  .spec{border-left:0;border-top:1px solid var(--hairline-dark);padding-left:0}
  .spec:first-child{border-top:0}
  .band-notes{grid-template-columns:1fr}
  .proof-faq,.proof-review{grid-column:auto}
  .faq-grid{grid-template-columns:1fr}
  .facts>div{grid-template-columns:76px 1fr;gap:12px}
  .foot-cols{grid-template-columns:1fr;gap:32px}
  .foot-mark{margin-left:var(--gutter)}
  .hero-band{width:calc(100% - var(--rail-w) - 24px);margin-left:24px;height:clamp(180px,26vh,260px)}
}
@media (max-width:700px){
  .gallery-grid{grid-template-columns:1fr 1fr;gap:16px 12px}
  .g1,.g6,.g8{grid-column:1/-1}
  .g2,.g3,.g4,.g5,.g7,.g9{grid-column:auto}
  .g2,.g5,.g7{aspect-ratio:4/5}
  .points li{grid-template-columns:56px 1fr;gap:16px}
  .hero h1 .lat{font-size:clamp(56px,17vw,96px)}
}