/* asore ai — corporate LP (static, no build). */
:root {
  --ink: #0E1117;
  --ink-2: #151A22;
  --ink-3: #1D232D;
  --paper: #F6F7F4;
  --paper-2: #ECEEE9;
  --surface: #FFFFFF;
  --text: #1A1F27;
  --muted: #4B5560;
  --rule: rgba(14, 17, 23, .12);
  --rule-2: rgba(14, 17, 23, .22);
  --teal: #027F79;          /* 4.9:1 on paper */
  --teal-l: #50D6BF;        /* on ink */
  --on-ink: #EEF1F4;
  --on-ink-muted: #A9B1BC;  /* 8:1 on ink */
  --on-ink-rule: rgba(238, 241, 244, .12);

  --f-jp: "Noto Sans JP", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", Meiryo, sans-serif;
  --f-lat: "Familjen Grotesk", var(--f-jp);
  --wrap: 1200px;
  --gut: clamp(20px, 5vw, 56px);
  --hdr: 68px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #12161D;
    --paper-2: #171C24;
    --surface: #1B212A;
    --text: #E6E9ED;
    --muted: #A9B1BC;
    --rule: rgba(238, 241, 244, .12);
    --rule-2: rgba(238, 241, 244, .22);
    --teal: #50D6BF;
  }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: calc(var(--hdr) + 12px); }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0; background: var(--paper); color: var(--text);
  font-family: var(--f-jp); font-size: 16px; line-height: 1.9; letter-spacing: .02em;
  font-feature-settings: "palt" 1; -webkit-font-smoothing: antialiased;
  overflow-x: clip;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, p, ol, ul, dl, dd { margin: 0; }
ol, ul { padding: 0; list-style: none; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--teal-l); outline-offset: 3px; border-radius: 4px; }

.wrap { width: 100%; max-width: calc(var(--wrap) + var(--gut) * 2); margin: 0 auto; padding: 0 var(--gut); }
.skip { position: absolute; left: -9999px; top: 8px; z-index: 100; background: var(--surface); color: var(--text); padding: 8px 14px; }
.skip:focus { left: 8px; }
.br-sm { display: inline; } .br-md { display: none; }
@media (min-width: 48em) { .br-sm { display: none; } .br-md { display: inline; } }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 26px; border-radius: 999px;
  font-weight: 700; font-size: .95rem; letter-spacing: .04em; text-decoration: none;
  border: 1px solid transparent; transition: background .2s, color .2s, border-color .2s, transform .2s;
}
.btn--sm { min-height: 40px; padding: 0 18px; font-size: .85rem; }
.btn--lg { min-height: 60px; padding: 0 32px; font-size: 1rem; }
.btn--teal { background: var(--teal-l); color: var(--ink); }
.btn--teal:hover { background: #7BE3D1; }
.btn--ghost-light { border-color: rgba(238, 241, 244, .35); color: var(--on-ink); }
.btn--ghost-light:hover { border-color: var(--teal-l); color: var(--teal-l); }
.i { width: 16px; height: 16px; fill: none; stroke: currentColor; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; flex: none; }
.btn:hover .i:not(.i--l) { transform: translateX(2px); }
.btn .i { transition: transform .2s; }

.eyebrow {
  font-family: var(--f-lat); font-weight: 600; font-size: .78rem; letter-spacing: .22em; text-transform: uppercase;
  color: var(--teal); display: flex; align-items: center; gap: 12px; margin-bottom: 18px;
}
.eyebrow::before { content: ""; width: 28px; height: 1px; background: currentColor; }
.eyebrow--light { color: var(--teal-l); }

/* ---------- header ---------- */
.hdr {
  position: fixed; inset: 0 0 auto; z-index: 50; height: var(--hdr);
  color: var(--on-ink); transition: background .3s, box-shadow .3s, backdrop-filter .3s;
}
.hdr.is-scrolled, .hdr.is-open { background: rgba(14, 17, 23, .86); backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); box-shadow: 0 1px 0 var(--on-ink-rule); }
.hdr__in { height: 100%; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.hdr__brand img { height: 28px; width: auto; }
.hdr__menu {
  display: inline-flex; align-items: center; gap: 10px; background: none; border: 1px solid var(--on-ink-rule);
  color: var(--on-ink); font: inherit; font-size: .85rem; font-weight: 700; padding: 8px 14px; border-radius: 999px; cursor: pointer;
}
.hdr__bars, .hdr__bars::before, .hdr__bars::after { display: block; width: 16px; height: 1.5px; background: currentColor; position: relative; transition: transform .25s, opacity .25s; }
.hdr__bars::before, .hdr__bars::after { content: ""; position: absolute; left: 0; }
.hdr__bars::before { top: -5px; } .hdr__bars::after { top: 5px; }
.hdr.is-open .hdr__bars { background: transparent; }
.hdr.is-open .hdr__bars::before { transform: translateY(5px) rotate(45deg); }
.hdr.is-open .hdr__bars::after { transform: translateY(-5px) rotate(-45deg); }
.hdr__nav { display: none; }
.hdr.is-open .hdr__nav, .no-js .hdr__nav {
  display: block; position: absolute; top: var(--hdr); left: 0; right: 0;
  background: rgba(14, 17, 23, .97); padding: 8px var(--gut) 28px; border-top: 1px solid var(--on-ink-rule);
}
.no-js .hdr__nav { position: static; }
.no-js .hdr__menu { display: none; }
.hdr__nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--on-ink-rule); text-decoration: none; font-weight: 500; }
.hdr__nav .btn { margin-top: 20px; width: 100%; }
@media (min-width: 64em) {
  .hdr__menu { display: none; }
  .hdr__nav, .hdr.is-open .hdr__nav { display: flex; align-items: center; gap: 32px; position: static; background: none; padding: 0; border: 0; }
  .hdr__nav ul { display: flex; gap: 26px; }
  .hdr__nav ul a { padding: 6px 0; border: 0; font-size: .86rem; font-weight: 500; color: rgba(238,241,244,.86); transition: color .2s; }
  .hdr__nav ul a:hover { color: var(--teal-l); }
  .hdr__nav .btn { margin: 0; width: auto; }
}

/* ---------- hero ---------- */
.hero {
  position: relative; isolation: isolate; overflow: hidden;
  background: var(--ink); color: var(--on-ink);
  min-height: min(100svh, 920px); display: flex; align-items: center;
  padding: calc(var(--hdr) + 56px) 0 72px;
}
.hero__bg { position: absolute; inset: 0; z-index: -1; }
.hero__orbit { position: absolute; width: min(120vw, 980px); height: auto; aspect-ratio: 1; right: max(-40vw, -360px); top: 50%; transform: translateY(-50%); opacity: .95; }
.hero__grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(238,241,244,.045) 1px, transparent 1px), linear-gradient(90deg, rgba(238,241,244,.045) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at 70% 50%, #000 0%, transparent 70%);
}
.hero__flow { stroke-dasharray: 900; stroke-dashoffset: 0; }
.js .hero__flow { animation: flow 3.2s cubic-bezier(.6,0,.2,1) both .2s; }
.js .hero__node { animation: pulse 4.8s ease-in-out infinite; transform-box: fill-box; transform-origin: center; }
.n2 { animation-delay: 1.2s !important; } .n3 { animation-delay: 2.4s !important; } .n4 { animation-delay: 3.6s !important; }
@keyframes flow { from { stroke-dashoffset: 900; } to { stroke-dashoffset: 0; } }
@keyframes pulse { 0%,100% { opacity: .5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.6); } }
@media (prefers-reduced-motion: reduce) { .js .hero__flow, .js .hero__node { animation: none; } }
@media (max-width: 47.99em) { .hero__orbit { right: -55%; top: 18%; transform: none; opacity: .55; } }

.hero__in { position: relative; }
.hero__title {
  font-weight: 700; font-size: clamp(2.6rem, 8.4vw, 6rem); line-height: 1.12; letter-spacing: -.01em;
  margin-bottom: 30px;
}
.hero__title .q { color: #8C96A3; }
.hero__title .hl { color: var(--teal-l); }
.hero__lead { max-width: 37em; color: var(--on-ink-muted); font-size: clamp(.98rem, 1.6vw, 1.08rem); line-height: 2; margin-bottom: 40px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 56px; }
@media (max-width: 29.99em) { .hero__cta .btn { width: 100%; } }
.hero__facts { display: grid; gap: 0; border-top: 1px solid var(--on-ink-rule); max-width: 880px; }
.hero__facts li { display: flex; align-items: baseline; gap: 14px; padding: 16px 0; border-bottom: 1px solid var(--on-ink-rule); font-size: .92rem; font-weight: 500; }
.hero__facts span { font-family: var(--f-lat); font-size: .78rem; color: var(--teal-l); letter-spacing: .1em; }
@media (min-width: 48em) {
  .hero__facts { grid-template-columns: repeat(3, 1fr); border-bottom: 1px solid var(--on-ink-rule); }
  .hero__facts li { border-bottom: 0; padding: 18px 20px 18px 0; }
  .hero__facts li + li { border-left: 1px solid var(--on-ink-rule); padding-left: 20px; }
}

/* ---------- sections ---------- */
.sec { padding: clamp(88px, 12vw, 152px) 0; }
.sec--alt { background: var(--paper-2); }
.sec--ink { background: var(--ink); color: var(--on-ink); }
.sec--ink .sec__lead, .sec--ink p { color: var(--on-ink-muted); }
.sec--ink h3 { color: var(--on-ink); }
.sec__head { max-width: 760px; margin-bottom: clamp(48px, 7vw, 80px); }
.sec__title { font-size: clamp(1.8rem, 4.4vw, 3rem); line-height: 1.35; font-weight: 700; letter-spacing: 0; margin-bottom: 24px; }
.sec__lead { color: var(--muted); font-size: 1.02rem; }

/* issues */
.issues { display: grid; gap: 1px; background: var(--rule); border: 1px solid var(--rule); border-radius: 18px; overflow: hidden; }
.issue { background: var(--paper); padding: 34px 30px 36px; }
.issue__no { font-family: var(--f-lat); font-size: .8rem; color: var(--teal); letter-spacing: .12em; display: block; margin-bottom: 14px; }
.issue h3 { font-size: 1.12rem; line-height: 1.6; margin-bottom: 10px; }
.issue p { color: var(--muted); font-size: .94rem; }
@media (min-width: 40em) { .issues { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 64em) { .issues { grid-template-columns: repeat(3, 1fr); } }

/* approach */
.pillars { display: grid; gap: 16px; }
.pillar {
  position: relative; padding: 32px 28px 34px; border-radius: 18px;
  background: linear-gradient(180deg, var(--ink-2), var(--ink)); border: 1px solid var(--on-ink-rule);
  transition: border-color .3s, transform .3s;
}
.pillar:hover { border-color: rgba(80,214,191,.45); transform: translateY(-3px); }
.pillar__k { font-family: var(--f-lat); font-size: .78rem; letter-spacing: .2em; text-transform: uppercase; color: var(--teal-l) !important; margin-bottom: 26px; }
.pillar h3 { font-size: 1.5rem; margin-bottom: 12px; }
.pillar p:not(.pillar__k) { font-size: .94rem; }
@media (min-width: 40em) { .pillars { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 72em) { .pillars { grid-template-columns: repeat(4, 1fr); } }
.approach__note { margin-top: 48px; max-width: 760px; padding-left: 20px; border-left: 2px solid var(--teal-l); font-size: 1.02rem; color: var(--on-ink) !important; }

/* services */
.svc { border-top: 1px solid var(--rule-2); }
.svc__item { display: grid; gap: 8px 32px; padding: 40px 0; border-bottom: 1px solid var(--rule); }
.svc__no { font-family: var(--f-lat); font-weight: 500; font-size: clamp(2.2rem, 5vw, 3.4rem); line-height: 1; color: var(--teal); letter-spacing: -.02em; }
.svc__body h3 { font-size: clamp(1.25rem, 2.4vw, 1.6rem); margin-bottom: 12px; }
.svc__body > p { color: var(--muted); max-width: 44em; margin-bottom: 18px; }
@media (min-width: 48em) { .svc__item { grid-template-columns: 140px 1fr; } }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { font-size: .8rem; font-weight: 500; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--rule-2); color: var(--text); }

/* process */
.steps { display: grid; gap: 14px; counter-reset: s; }
.step { position: relative; background: var(--surface); border-radius: 16px; padding: 28px 26px 30px; border: 1px solid var(--rule); }
.step__no { font-family: var(--f-lat); font-size: .8rem; letter-spacing: .12em; color: var(--teal); display: block; margin-bottom: 28px; }
.step h3 { font-size: 1.15rem; margin-bottom: 8px; }
.step p { color: var(--muted); font-size: .92rem; }
@media (min-width: 48em) { .steps { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 72em) {
  .steps { grid-template-columns: repeat(5, 1fr); }
  .step::after { content: ""; position: absolute; top: 37px; right: -14px; width: 14px; height: 1px; background: var(--rule-2); }
  .step:last-child::after { display: none; }
}

/* public */
.pub { display: grid; gap: 48px; }
.pub__list { display: grid; gap: 0; border-top: 1px solid var(--rule-2); }
.pub__list li { padding: 28px 0; border-bottom: 1px solid var(--rule); }
.pub__list h3 { font-size: 1.12rem; margin-bottom: 8px; display: flex; gap: 12px; align-items: center; }
.pub__list h3::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--teal); flex: none; }
.pub__list p { color: var(--muted); font-size: .95rem; padding-left: 20px; }
@media (min-width: 64em) { .pub { grid-template-columns: 5fr 7fr; gap: 72px; } .pub__head .sec__title { margin-bottom: 24px; } }

/* principles */
.prin { display: grid; gap: 0; border-top: 1px solid var(--on-ink-rule); }
.prin li { display: grid; grid-template-columns: 56px 1fr; gap: 16px; padding: 30px 0; border-bottom: 1px solid var(--on-ink-rule); }
.prin__no { font-family: var(--f-lat); font-size: 1.8rem; line-height: 1; color: var(--teal-l); }
.prin h3 { font-size: 1.15rem; margin-bottom: 8px; }
.prin p { font-size: .95rem; max-width: 46em; }
@media (min-width: 64em) { .prin { grid-template-columns: repeat(2, 1fr); column-gap: 64px; } .prin li:last-child { grid-column: 1 / -1; } }

/* insights */
.ins { display: grid; gap: 40px; }
.ins__list { border-top: 1px solid var(--rule-2); }
.ins__list a {
  display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 4px 16px;
  padding: 24px 4px; border-bottom: 1px solid var(--rule); text-decoration: none; transition: padding .25s, color .2s;
}
.ins__list a:hover { padding-left: 14px; color: var(--teal); }
.ins__k { font-family: var(--f-lat); font-weight: 600; font-size: 1.4rem; grid-column: 1; }
.ins__d { color: var(--muted); font-size: .9rem; grid-column: 1; }
.ins__list .badge { grid-column: 2; grid-row: 1; justify-self: end; }
.ins__list .i { grid-column: 2; grid-row: 2; justify-self: end; width: 18px; height: 18px; }
.badge { font-size: .72rem; font-weight: 700; padding: 2px 10px; border-radius: 999px; border: 1px solid var(--rule-2); color: var(--muted); white-space: nowrap; }
@media (min-width: 64em) { .ins { grid-template-columns: 5fr 7fr; gap: 72px; } }

/* faq */
.faq { display: grid; gap: 40px; }
.faq__list { border-top: 1px solid var(--rule-2); }
.faq details { border-bottom: 1px solid var(--rule); }
.faq summary {
  list-style: none; cursor: pointer; display: flex; justify-content: space-between; gap: 20px; align-items: flex-start;
  padding: 24px 0; font-weight: 700; font-size: 1.02rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--f-lat); font-weight: 500; font-size: 1.4rem; line-height: 1.2; color: var(--teal); transition: transform .25s; flex: none; }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { color: var(--muted); padding: 0 40px 26px 0; }
@media (min-width: 64em) { .faq { grid-template-columns: 5fr 7fr; gap: 72px; } }

/* contact */
.cta { position: relative; isolation: isolate; overflow: hidden; background: var(--ink); color: var(--on-ink); padding: clamp(96px, 13vw, 168px) 0; }
.cta__bg { position: absolute; inset: -20% -10% auto auto; width: 70vw; max-width: 900px; aspect-ratio: 1; z-index: -1;
  background: radial-gradient(circle, rgba(80,214,191,.22), rgba(80,214,191,0) 62%); }
.cta__title { font-size: clamp(2.2rem, 6.4vw, 4.6rem); line-height: 1.2; margin-bottom: 26px; }
.cta__lead { color: var(--on-ink-muted); font-size: 1.04rem; margin-bottom: 44px; max-width: 40em; }
.cta__actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 28px; }
@media (max-width: 29.99em) { .cta__actions .btn { width: 100%; } }
.cta__note { color: var(--on-ink-muted); font-size: .82rem; line-height: 1.9; max-width: 52em; }

/* footer */
.ftr { background: var(--ink); color: var(--on-ink-muted); border-top: 1px solid var(--on-ink-rule); padding: 56px 0 32px; font-size: .88rem; }
.ftr__in { display: grid; gap: 36px; padding-bottom: 40px; border-bottom: 1px solid var(--on-ink-rule); }
.ftr__brand img { height: 32px; width: auto; margin-bottom: 14px; }
.ftr__brand p { color: var(--on-ink); font-weight: 700; }
.ftr__info div { display: flex; gap: 16px; }
.ftr__info dt { width: 3.5em; color: var(--on-ink-muted); }
.ftr__info dd { color: var(--on-ink); }
.ftr__info a { color: var(--teal-l); }
.ftr__links { display: flex; gap: 24px; }
.ftr__links a { text-decoration: none; color: var(--on-ink); }
.ftr__links a:hover { color: var(--teal-l); }
.ftr__base { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 8px 24px; padding-top: 24px; font-size: .78rem; }
@media (min-width: 64em) { .ftr__in { grid-template-columns: 1.2fr 1fr auto; align-items: start; } }

/* reveal */
.js .rv { opacity: 0; transform: translateY(18px); transition: opacity .8s ease, transform .8s cubic-bezier(.2,.7,.2,1); }
.js .rv.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .js .rv { opacity: 1; transform: none; transition: none; } }

.cta--full { min-height: 100svh; display: flex; align-items: center; }
.nf__brand { display: inline-block; margin-bottom: 48px; }
.nf__brand img { height: 32px; width: auto; }
@media (prefers-color-scheme: light) { .sec--alt .eyebrow { color: #026B66; } }
.pub__head .sec__title, .ins__head .sec__title, .faq__head .sec__title { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h1, h2, h3, .hero__lead, .sec__lead { word-break: auto-phrase; }