/* =====================================================================
   Leadfive Home Redesign v2 — Bright / Gradient / Glass
   PLai の「明るい・知的・やわらか・グラデ・明朝×幾何欧文」を独自配色で翻訳。
   訴求コピーは現行 index.html から不変で流用。
   配色は --grad / --blue / --coral を変えれば全体が切替わる。
   ===================================================================== */

:root {
  /* Surface */
  --bg:       #F4F5FB;
  --bg-tint:  #ECEEF8;
  --surface:  #FFFFFF;

  /* Ink */
  --ink:    #14162E;
  --ink-2:  #474B68;
  --ink-3:  #83879F;
  --line:   #E7E8F1;
  --line-2: #D6D8E6;

  /* Brand hues */
  --blue:      #2E55FF;
  --blue-deep: #1B36C9;
  --violet:    #6E6BFF;
  --cyan:      #06BCD4;
  --mint:      #36D9A6;
  --coral:     #FF6A5A;

  /* Signature gradient（寒色グラデ＋温差し） */
  --grad:      linear-gradient(118deg, #2E55FF 0%, #6E6BFF 28%, #06BCD4 64%, #36D9A6 100%);
  --grad-warm: linear-gradient(118deg, #2E55FF 0%, #6E6BFF 46%, #FF6A5A 100%);
  --grad-soft: linear-gradient(135deg, rgba(46,85,255,.10), rgba(6,188,212,.08) 55%, rgba(54,217,166,.06));

  /* Tints / glows */
  --blue-soft:  rgba(46,85,255,.10);
  --cyan-soft:  rgba(6,188,212,.10);
  --coral-soft: rgba(255,106,90,.12);
  --glow:    0 18px 50px -20px rgba(46,85,255,.45), 0 0 60px -30px rgba(6,188,212,.35);
  --glow-sm: 0 10px 30px -16px rgba(46,85,255,.4);

  /* Glass */
  --glass:        rgba(255,255,255,.66);
  --glass-strong: rgba(255,255,255,.82);
  --glass-border: rgba(255,255,255,.6);

  /* Type */
  --font-en:     'Sora', sans-serif;
  --font-mincho: 'Zen Old Mincho', 'Noto Serif JP', serif;
  --font-jp:     'Noto Sans JP', sans-serif;
  --font-mono:   'JetBrains Mono', 'SFMono-Regular', Menlo, monospace;

  --maxw: 1200px;
  --gutter: clamp(20px, 5vw, 60px);
  --r-sm: 8px; --r-md: 14px; --r-lg: 22px; --r-xl: 30px;

  --dur: .55s;
  --ease: cubic-bezier(.22,1,.36,1);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-jp);
  font-feature-settings: "palt" 1;
  background: var(--bg);
  color: var(--ink-2);
  line-height: 1.85;
  letter-spacing: .01em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
::selection { background: var(--blue-soft); color: var(--ink); }

/* ---------- utilities ---------- */
.container { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--gutter); }

.grad-text {
  background: var(--grad);
  -webkit-background-clip: text; background-clip: text;
  -webkit-text-fill-color: transparent; color: transparent;
}
.marker {
  background: linear-gradient(transparent 56%, rgba(46,85,255,.16) 56%);
  padding: 0 .08em;
}
.marker--coral { background: linear-gradient(transparent 56%, rgba(255,106,90,.20) 56%); }

.eyebrow {
  display: inline-flex; align-items: center; gap: .7em;
  font-family: var(--font-en);
  font-size: .74rem; font-weight: 600;
  letter-spacing: .22em; text-transform: uppercase;
  color: var(--blue-deep);
}
.eyebrow::before { content: ""; width: 26px; height: 2px; border-radius: 2px; background: var(--grad); }

:focus { outline: none; }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 3px; border-radius: var(--r-sm); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .6em;
  padding: .9em 1.7em;
  font-family: var(--font-jp); font-size: .92rem; font-weight: 500;
  border-radius: var(--r-sm);
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background var(--dur) var(--ease), color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.btn .arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .arrow { transform: translateX(4px); }
.btn--primary { background: var(--grad); color: #fff; box-shadow: var(--glow-sm); background-size: 160% 160%; }
.btn--primary:hover { transform: translateY(-2px); box-shadow: var(--glow); }
.btn--ghost { background: var(--surface); color: var(--ink); border: 1px solid var(--line-2); }
.btn--ghost:hover { border-color: var(--blue); color: var(--blue-deep); transform: translateY(-2px); }

/* =====================================================================
   Header
   ===================================================================== */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: all var(--dur) var(--ease); }
.site-header.is-scrolled {
  background: var(--glass-strong);
  backdrop-filter: blur(16px) saturate(140%); -webkit-backdrop-filter: blur(16px) saturate(140%);
  border-bottom: 1px solid var(--line);
}
.site-header__inner { display: flex; align-items: center; justify-content: space-between; height: 74px; }
.brand { font-family: var(--font-en); font-size: 1.5rem; font-weight: 700; letter-spacing: -.02em; color: var(--ink); }
.brand .dot { background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.nav { display: flex; align-items: center; gap: clamp(14px, 2.2vw, 34px); }
.nav__link { font-size: .88rem; font-weight: 500; color: var(--ink-2); position: relative; padding: 4px 0; transition: color var(--dur) var(--ease); }
.nav__link::after { content: ""; position: absolute; left: 0; bottom: 0; width: 100%; height: 2px; border-radius: 2px; background: var(--grad); transform: scaleX(0); transform-origin: right; transition: transform var(--dur) var(--ease); }
.nav__link:hover { color: var(--ink); }
.nav__link:hover::after { transform: scaleX(1); transform-origin: left; }
.nav-toggle { display: none; }

/* =====================================================================
   Hero
   ===================================================================== */
.hero {
  position: relative; min-height: 100svh; display: flex; align-items: center;
  padding: 120px 0 70px; overflow: hidden;
  background:
    radial-gradient(60% 50% at 78% 18%, var(--cyan-soft), transparent 70%),
    radial-gradient(55% 55% at 12% 80%, var(--blue-soft), transparent 70%),
    linear-gradient(180deg, #fff 0%, var(--bg) 100%);
}
.hero__inner { position: relative; z-index: 2; width: 100%; display: grid; grid-template-columns: 1.08fr 0.92fr; gap: clamp(28px,4vw,56px); align-items: center; }
.hero__main { min-width: 0; }
.code-window { position: relative; z-index: 2; background: #0C1222; border: 1px solid rgba(255,255,255,.08); border-radius: var(--r-lg); box-shadow: 0 36px 80px -34px rgba(20,22,46,.55), var(--glow); overflow: hidden; font-family: var(--font-mono); }
.code-window__bar { display: flex; align-items: center; gap: 12px; padding: 13px 16px; background: rgba(255,255,255,.03); border-bottom: 1px solid rgba(255,255,255,.06); }
.code-window__dots { display: inline-flex; gap: 7px; }
.code-window__dots i { width: 11px; height: 11px; border-radius: 50%; display: block; }
.code-window__dots i:nth-child(1){ background:#ff5f57; } .code-window__dots i:nth-child(2){ background:#febc2e; } .code-window__dots i:nth-child(3){ background:#28c840; }
.code-window__file { font-size: .78rem; color: #7b85a3; }
.code-window__status { margin-left: auto; display: inline-flex; align-items: center; gap: 6px; font-size: .72rem; color: var(--mint); }
.code-window__status i { width: 6px; height: 6px; border-radius: 50%; background: var(--mint); animation: pulseDot 1.8s infinite; }
@keyframes pulseDot { 0%{box-shadow:0 0 0 0 rgba(54,217,166,.5);} 70%{box-shadow:0 0 0 7px transparent;} 100%{box-shadow:0 0 0 0 transparent;} }
.code-window__body { margin: 0; padding: 22px 22px 26px; font-size: .85rem; line-height: 1.95; color: #c4cce0; min-height: 304px; white-space: pre-wrap; word-break: break-word; tab-size: 2; }
.code-caret { display: inline-block; color: var(--cyan); animation: caretBlink 1.1s steps(1) infinite; }
@keyframes caretBlink { 50% { opacity: 0; } }
.tok-kw{color:#7aa2ff;} .tok-fn{color:#2fd9d9;} .tok-str{color:#4fe0a8;} .tok-prop{color:#c4cce0;} .tok-num{color:#ffb86b;} .tok-com{color:#5a6685;font-style:italic;} .tok-punct{color:#8a93ad;}
.hero__label { margin-bottom: 26px; }
.hero__title {
  font-family: var(--font-mincho); font-weight: 600;
  color: var(--ink);
  font-size: clamp(2rem, 4.1vw, 3.5rem);
  line-height: 1.32; letter-spacing: .01em;
  margin-bottom: 28px; max-width: 17em;
}
.hero__title .en { font-family: var(--font-en); font-weight: 700; letter-spacing: -.01em; }
.hero__lead { font-family: var(--font-jp); font-size: 1.04rem; color: var(--ink-2); line-height: 2.05; max-width: 30em; margin-bottom: 38px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 14px; }

.hero__stats { display: flex; gap: clamp(24px, 5vw, 64px); margin-top: 56px; flex-wrap: wrap; grid-column: 1 / -1; }
.stat__num { font-family: var(--font-en); font-weight: 700; font-size: clamp(2.2rem, 5vw, 3.2rem); line-height: 1; }
.stat__num .suffix { font-size: .42em; margin-left: .15em; }
.stat__label { font-size: .82rem; color: var(--ink-3); margin-top: 8px; letter-spacing: .02em; }
.stat + .stat { position: relative; }

.hero__scroll { position: absolute; left: 50%; transform: translateX(-50%); bottom: 26px; z-index: 3; display: flex; flex-direction: column; align-items: center; gap: 8px; font-family: var(--font-en); font-size: .64rem; letter-spacing: .2em; text-transform: uppercase; color: var(--ink-3); }
.hero__scroll .dot { width: 5px; height: 5px; border-radius: 50%; background: var(--blue); animation: bounceArrow 1.8s var(--ease) infinite; }
@keyframes bounceArrow { 0%,100% { transform: translateY(0); opacity: .4; } 50% { transform: translateY(7px); opacity: 1; } }

/* floating soft orbs (decor) */
.orb { position: absolute; border-radius: 50%; filter: blur(40px); opacity: .5; z-index: 1; pointer-events: none; }
.orb--1 { width: 320px; height: 320px; background: radial-gradient(circle, rgba(46,85,255,.35), transparent 70%); top: 12%; right: 6%; animation: float1 14s ease-in-out infinite; }
.orb--2 { width: 280px; height: 280px; background: radial-gradient(circle, rgba(54,217,166,.3), transparent 70%); bottom: 8%; left: 4%; animation: float2 17s ease-in-out infinite; }
@keyframes float1 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(-30px,24px); } }
@keyframes float2 { 0%,100% { transform: translate(0,0); } 50% { transform: translate(26px,-22px); } }

/* =====================================================================
   Method band（思想を大きく見せる）
   ===================================================================== */
.method { padding: clamp(80px,12vw,150px) 0; background: linear-gradient(180deg, var(--bg) 0%, #fff 100%); }
.method__inner { max-width: 980px; }
.method__lead { font-family: var(--font-mincho); font-weight: 500; font-size: clamp(1.6rem, 3.6vw, 2.7rem); line-height: 1.7; color: var(--ink); letter-spacing: .01em; }

/* =====================================================================
   Section scaffolding
   ===================================================================== */
.section { padding-block: clamp(72px, 11vw, 140px); position: relative; }
.section--tint { background: var(--bg-tint); }
.section--white { background: var(--surface); }
.section__head { margin-bottom: clamp(40px, 6vw, 68px); max-width: 760px; }
.section__index { font-family: var(--font-en); font-size: .74rem; font-weight: 600; letter-spacing: .2em; text-transform: uppercase; color: var(--blue-deep); display: block; margin-bottom: 16px; }
.section__title { font-family: var(--font-mincho); font-size: clamp(2rem, 4.6vw, 3.2rem); font-weight: 600; line-height: 1.25; color: var(--ink); }
.section__title .en { font-family: var(--font-en); font-weight: 700; letter-spacing: -.01em; }
.section__title .jp { font-family: var(--font-jp); font-weight: 500; font-size: .46em; display: block; color: var(--ink-3); letter-spacing: .04em; margin-top: 12px; }
.section__desc { margin-top: 20px; color: var(--ink-2); font-size: 1rem; line-height: 2; max-width: 44em; }

/* =====================================================================
   Works (glass cards, asymmetric)
   ===================================================================== */
.works__bar { display: flex; align-items: flex-end; justify-content: space-between; margin-bottom: 32px; gap: 18px; flex-wrap: wrap; }
.works__counter { font-family: var(--font-en); font-size: .8rem; color: var(--ink-3); letter-spacing: .08em; }
.works__counter b { font-weight: 700; color: var(--blue-deep); }
.works__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.work-card {
  background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg);
  padding: 26px; display: flex; flex-direction: column; min-height: 270px;
  position: relative; overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease);
}
.work-card::after { content: ""; position: absolute; inset: 0; border-radius: inherit; padding: 1px; background: var(--grad); -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0); -webkit-mask-composite: xor; mask-composite: exclude; opacity: 0; transition: opacity var(--dur) var(--ease); }
.work-card:hover { transform: translateY(-6px); box-shadow: var(--glow); border-color: transparent; }
.work-card:hover::after { opacity: 1; }
.work-card__media { width: 56px; height: 56px; border-radius: var(--r-md); background: var(--grad-soft); border: 1px solid var(--line); display: grid; place-items: center; margin-bottom: 20px; overflow: hidden; }
.work-card__media img { width: 100%; height: 100%; object-fit: cover; }
.work-card__cat { font-family: var(--font-en); font-size: .68rem; font-weight: 600; letter-spacing: .1em; text-transform: uppercase; color: var(--cyan); margin-bottom: 8px; }
.work-card__name { font-family: var(--font-mincho); font-size: 1.5rem; font-weight: 600; color: var(--ink); line-height: 1.25; margin-bottom: 12px; }
.work-card__desc { font-size: .88rem; color: var(--ink-2); line-height: 1.85; }

/* =====================================================================
   News
   ===================================================================== */
.news__list { border-top: 1px solid var(--line); }
.news-item { display: grid; grid-template-columns: 120px 140px 1fr 32px; gap: 22px; align-items: center; padding: 22px 10px; border-bottom: 1px solid var(--line); transition: background var(--dur) var(--ease), padding-left var(--dur) var(--ease); border-radius: var(--r-sm); }
.news-item:hover { background: var(--surface); padding-left: 20px; box-shadow: var(--glow-sm); }
.news-item__date { font-family: var(--font-en); font-size: .82rem; color: var(--ink-3); }
.news-item__cat { justify-self: start; font-size: .7rem; letter-spacing: .06em; color: var(--blue-deep); background: var(--blue-soft); border-radius: 999px; padding: 4px 12px; }
.news-item__title { font-size: .95rem; color: var(--ink); font-weight: 500; line-height: 1.6; }
.news-item__arrow { color: var(--ink-3); justify-self: end; transition: transform var(--dur) var(--ease), color var(--dur) var(--ease); }
.news-item:hover .news-item__arrow { color: var(--blue); transform: translateX(4px); }
.news__more, .blog__more { display: inline-flex; align-items: center; gap: 9px; margin-top: 34px; font-weight: 500; color: var(--ink); }
.news__more .arrow, .blog__more .arrow { color: var(--blue); transition: transform var(--dur) var(--ease); }
.news__more:hover .arrow, .blog__more:hover .arrow { transform: translateX(5px); }

/* =====================================================================
   Blog
   ===================================================================== */
.blog__grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.blog-card { display: flex; flex-direction: column; }
.blog-card__media { aspect-ratio: 16/10; border-radius: var(--r-md); overflow: hidden; margin-bottom: 16px; position: relative; display: grid; place-items: center; background-size: 180% 180%; }
.blog-card__media--1 { background-image: linear-gradient(135deg, #2E55FF, #06BCD4); }
.blog-card__media--2 { background-image: linear-gradient(135deg, #6E6BFF, #2E55FF); }
.blog-card__media--3 { background-image: linear-gradient(135deg, #06BCD4, #36D9A6); }
.blog-card__media--4 { background-image: linear-gradient(135deg, #1B36C9, #6E6BFF 55%, #36D9A6); }
.blog-card__media::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 16%, rgba(255,255,255,.30), transparent 46%); }
.blog-card__tag { position: relative; z-index: 1; font-family: var(--font-en); font-weight: 700; font-size: 1.02rem; color: #fff; text-align: center; padding: 0 16px; letter-spacing: .01em; text-shadow: 0 2px 16px rgba(0,0,0,.22); }
.blog-card:hover .blog-card__media { animation: gradShift 5s var(--ease) infinite; }
@keyframes gradShift { 0%,100% { background-position: 0% 50%; } 50% { background-position: 100% 50%; } }
.blog-card__meta { display: flex; gap: 12px; align-items: center; margin-bottom: 10px; }
.blog-card__date { font-family: var(--font-en); font-size: .74rem; color: var(--ink-3); }
.blog-card__cat { font-size: .7rem; color: var(--cyan); letter-spacing: .04em; font-weight: 500; }
.blog-card__title { font-size: .96rem; font-weight: 500; color: var(--ink); line-height: 1.65; transition: color var(--dur) var(--ease); }
.blog-card:hover .blog-card__title { color: var(--blue-deep); }

/* =====================================================================
   Services
   ===================================================================== */
.services__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.service-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: clamp(26px,3.4vw,42px); position: relative; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); overflow: hidden; }
.service-card::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 3px; background: var(--grad); transform: scaleY(0); transform-origin: top; transition: transform var(--dur) var(--ease); }
.service-card:hover { transform: translateY(-4px); box-shadow: var(--glow); }
.service-card:hover::before { transform: scaleY(1); }
.service-card--wide { grid-column: 1 / -1; display: grid; grid-template-columns: 1fr auto; gap: 28px; align-items: center; background: var(--grad-soft); }
.service-card__no { font-family: var(--font-en); font-size: .8rem; font-weight: 700; color: var(--blue-deep); margin-bottom: 16px; }
.service-card__en { font-family: var(--font-en); font-size: 1.6rem; font-weight: 700; color: var(--ink); line-height: 1.15; letter-spacing: -.01em; }
.service-card__name { font-family: var(--font-mincho); font-size: 1rem; font-weight: 500; color: var(--ink-2); margin: 6px 0 14px; }
.service-card__desc { font-size: .9rem; color: var(--ink-2); line-height: 1.95; max-width: 40em; }
.service-card__link { display: inline-flex; align-items: center; gap: 8px; margin-top: 20px; font-size: .86rem; font-weight: 500; color: var(--blue-deep); }
.service-card__link .arrow { transition: transform var(--dur) var(--ease); }
.service-card:hover .service-card__link .arrow { transform: translateX(5px); }

/* =====================================================================
   Support (AI導入サポート) + plans
   ===================================================================== */
.support__head { max-width: 820px; margin-bottom: 52px; }
.support__title { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(1.8rem,4.2vw,3rem); line-height: 1.45; color: var(--ink); margin-top: 16px; }
.support__lead { margin-top: 24px; color: var(--ink-2); font-size: 1rem; line-height: 2.05; max-width: 46em; }
.support__actions { margin-top: 30px; display: flex; gap: 14px; flex-wrap: wrap; }
.support__steps { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; margin-bottom: 44px; }
.support-step { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 24px; position: relative; }
.support-step__no { font-family: var(--font-en); font-size: .72rem; font-weight: 700; letter-spacing: .08em; color: var(--cyan); margin-bottom: 12px; }
.support-step__text { font-size: .94rem; color: var(--ink); font-weight: 500; line-height: 1.7; }
.support__plans { display: grid; grid-template-columns: repeat(3,1fr); gap: 20px; }
.plan-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px 28px; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); position: relative; overflow: hidden; }
.plan-card:hover { transform: translateY(-5px); box-shadow: var(--glow); }
.plan-card__bar { width: 40px; height: 4px; border-radius: 4px; background: var(--grad); margin-bottom: 18px; }
.plan-card__name { font-family: var(--font-mincho); font-weight: 500; font-size: 1rem; color: var(--ink); margin-bottom: 14px; }
.plan-card__price { font-family: var(--font-en); font-size: 1.9rem; font-weight: 700; color: var(--ink); line-height: 1.1; margin-bottom: 16px; }
.plan-card__price .per { font-family: var(--font-jp); font-size: .8rem; font-weight: 400; color: var(--ink-3); margin-left: 4px; }
.plan-card__desc { font-size: .86rem; color: var(--ink-2); line-height: 1.85; }

/* =====================================================================
   CTA (gradient band)
   ===================================================================== */
.cta { position: relative; overflow: hidden; background: var(--grad); background-size: 180% 180%; animation: gradShift 12s ease infinite; }
.cta::before { content: ""; position: absolute; inset: 0; background: radial-gradient(60% 100% at 50% 0%, rgba(255,255,255,.18), transparent 60%); }
.cta .container { position: relative; z-index: 2; text-align: center; color: #fff; }
.cta__eyebrow { color: rgba(255,255,255,.85); justify-content: center; }
.cta__eyebrow::before { background: rgba(255,255,255,.8); }
.cta__title { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(1.9rem,4.6vw,3.2rem); line-height: 1.45; margin: 22px 0; }
.cta__desc { color: rgba(255,255,255,.9); font-size: 1rem; line-height: 2; max-width: 42em; margin: 0 auto 38px; }
.cta .btn--light { background: #fff; color: var(--blue-deep); }
.cta .btn--light:hover { transform: translateY(-2px); box-shadow: 0 16px 40px -16px rgba(0,0,0,.4); }

/* =====================================================================
   Footer
   ===================================================================== */
.site-footer { background: var(--ink); color: rgba(255,255,255,.62); padding-block: 70px 34px; }
.footer__top { display: grid; grid-template-columns: 1.4fr 2fr; gap: 46px; padding-bottom: 46px; border-bottom: 1px solid rgba(255,255,255,.1); }
.footer__brand .brand { color: #fff; font-size: 1.9rem; }
.footer__brand .brand .dot { -webkit-text-fill-color: initial; }
.footer__tagline { margin-top: 16px; color: rgba(255,255,255,.6); font-size: .92rem; line-height: 2; max-width: 30em; }
.footer__cols { display: grid; grid-template-columns: 1fr 1.6fr 1fr; gap: 30px; }
.footer__col h4 { font-family: var(--font-en); font-size: .72rem; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: #fff; margin-bottom: 18px; }
.footer__links { display: flex; flex-direction: column; gap: 11px; }
.footer__links.is-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 11px 18px; }
.footer__links a, .footer__contact a { font-size: .86rem; color: rgba(255,255,255,.6); transition: color var(--dur) var(--ease); }
.footer__links a:hover, .footer__contact a:hover { color: #fff; }
.footer__contact { display: flex; flex-direction: column; gap: 11px; font-family: var(--font-en); font-size: .88rem; }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; padding-top: 26px; flex-wrap: wrap; gap: 12px; }
.footer__copy { font-family: var(--font-en); font-size: .74rem; letter-spacing: .04em; color: rgba(255,255,255,.4); }

/* =====================================================================
   Reveal / float
   ===================================================================== */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--ease), transform .9s var(--ease); }
[data-reveal].is-in { opacity: 1; transform: none; }
[data-reveal-stagger] > * { opacity: 0; transform: translateY(28px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
[data-reveal-stagger].is-in > * { opacity: 1; transform: none; }
[data-reveal-stagger].is-in > *:nth-child(2){transition-delay:.07s}
[data-reveal-stagger].is-in > *:nth-child(3){transition-delay:.14s}
[data-reveal-stagger].is-in > *:nth-child(4){transition-delay:.21s}
[data-reveal-stagger].is-in > *:nth-child(5){transition-delay:.28s}
[data-reveal-stagger].is-in > *:nth-child(6){transition-delay:.35s}
[data-reveal-stagger].is-in > *:nth-child(7){transition-delay:.42s}
[data-reveal-stagger].is-in > *:nth-child(8){transition-delay:.49s}
[data-reveal-stagger].is-in > *:nth-child(9){transition-delay:.56s}

/* =====================================================================
   Responsive
   ===================================================================== */
@media (max-width: 1024px) {
  .works__grid { grid-template-columns: repeat(2,1fr); }
  .blog__grid { grid-template-columns: repeat(2,1fr); }
  .footer__top { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: inline-flex; flex-direction: column; gap: 5px; padding: 10px; }
  .nav-toggle span { width: 24px; height: 2px; border-radius: 2px; background: var(--ink); display: block; }
  .works__grid, .blog__grid, .services__grid { grid-template-columns: 1fr; }
  .service-card--wide { grid-template-columns: 1fr; }
  .support__steps, .support__plans { grid-template-columns: 1fr; }
  .news-item { grid-template-columns: 1fr auto; row-gap: 6px; }
  .news-item__date, .news-item__cat { grid-row: 1; }
  .news-item__title { grid-column: 1 / -1; }
  .news-item__arrow { display: none; }
  .footer__cols { grid-template-columns: 1fr; }
  .hero__inner { grid-template-columns: 1fr; }
  .code-window { order: 2; }
  .hero__stats { gap: 28px; }
}

/* =====================================================================
   Subpage（下層ページ共通テイスト: サービス詳細など）
   ===================================================================== */
.subpage-hero { padding: clamp(130px,16vw,190px) 0 clamp(50px,7vw,90px); position: relative; overflow: hidden;
  background: radial-gradient(55% 70% at 82% 6%, var(--cyan-soft), transparent 62%), radial-gradient(50% 60% at 6% 92%, var(--blue-soft), transparent 65%), linear-gradient(180deg,#fff,var(--bg)); }
.subpage-hero__inner { position: relative; z-index: 2; max-width: 880px; }
.subpage-hero__en { font-family: var(--font-en); font-weight: 700; font-size: .82rem; letter-spacing: .2em; text-transform: uppercase; color: var(--blue-deep); display: block; margin: 14px 0 16px; }
.subpage-hero__title { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(2.2rem,5.2vw,3.7rem); line-height: 1.3; color: var(--ink); }
.subpage-hero__lead { margin-top: 24px; color: var(--ink-2); font-size: 1.05rem; line-height: 2.05; max-width: 40em; }
.subpage-hero__actions { margin-top: 32px; display: flex; gap: 14px; flex-wrap: wrap; }
.svc-section { padding-block: clamp(56px,8vw,104px); }
.svc-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 18px; margin-top: 40px; }
.svc-item { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.svc-item:hover { transform: translateY(-4px); box-shadow: var(--glow); }
.svc-item__no { font-family: var(--font-en); font-weight: 700; color: var(--cyan); font-size: .8rem; letter-spacing: .1em; margin-bottom: 12px; }
.svc-item__title { font-family: var(--font-mincho); font-size: 1.3rem; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.svc-item__desc { font-size: .92rem; color: var(--ink-2); line-height: 1.9; }
.svc-process { display: grid; grid-template-columns: repeat(4,1fr); gap: 20px; margin-top: 40px; }
.svc-step { position: relative; padding-top: 20px; }
.svc-step::before { content: ""; position: absolute; top: 0; left: 0; width: 40px; height: 3px; border-radius: 3px; background: var(--grad); }
.svc-step__n { font-family: var(--font-en); font-weight: 700; font-size: 2.4rem; line-height: 1; background: var(--grad); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.svc-step__t { font-family: var(--font-mincho); font-weight: 600; font-size: 1.05rem; color: var(--ink); margin: 12px 0 8px; }
.svc-step__d { font-size: .86rem; color: var(--ink-2); line-height: 1.8; }
@media (max-width:768px){ .svc-grid{grid-template-columns:1fr;} .svc-process{grid-template-columns:1fr 1fr;} }

/* =====================================================================
   Results（実績・実測ベース）
   ===================================================================== */
.results__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; }
.result-card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 32px; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.result-card:hover { transform: translateY(-4px); box-shadow: var(--glow); }
.result-card__bar { width: 40px; height: 4px; border-radius: 4px; background: var(--grad); margin-bottom: 20px; }
.result-card__metric { font-family: var(--font-en); font-weight: 700; font-size: 2.3rem; line-height: 1; margin-bottom: 10px; }
.result-card__arrow { font-size: .52em; margin: 0 .2em; vertical-align: 3px; -webkit-text-fill-color: var(--ink-3); color: var(--ink-3); }
.result-card__unit { font-family: var(--font-jp); font-size: .9rem; font-weight: 500; margin-left: 5px; -webkit-text-fill-color: var(--ink-3); color: var(--ink-3); }
.result-card__label { font-family: var(--font-mincho); font-weight: 600; font-size: 1.12rem; color: var(--ink); margin-bottom: 12px; }
.result-card__desc { font-size: .88rem; color: var(--ink-2); line-height: 1.9; }
.results__note { margin-top: 28px; font-size: .8rem; color: var(--ink-3); line-height: 1.7; }
@media (max-width:768px){ .results__grid { grid-template-columns: 1fr; } }

/* =====================================================================
   AI Knowledge OS（ナレッジ経営）
   ===================================================================== */
.kos-flow { display: flex; align-items: stretch; margin-bottom: 26px; }
.kos-node { flex: 1; min-width: 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px 18px; text-align: center; display: flex; flex-direction: column; align-items: center; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease), border-color var(--dur) var(--ease); }
.kos-node:hover { transform: translateY(-4px); box-shadow: var(--glow); border-color: var(--blue); }
.kos-node__icon { width: 54px; height: 54px; border-radius: 15px; display: grid; place-items: center; margin-bottom: 16px; background: var(--grad-soft); color: var(--blue-deep); }
.kos-node__icon svg { width: 26px; height: 26px; }
.kos-node__step { font-family: var(--font-en); font-size: .64rem; font-weight: 700; letter-spacing: .14em; color: var(--cyan); margin-bottom: 9px; }
.kos-node__title { font-family: var(--font-mincho); font-size: 1.18rem; font-weight: 600; color: var(--ink); margin-bottom: 10px; }
.kos-node__desc { font-size: .82rem; color: var(--ink-2); line-height: 1.75; }
.kos-link { flex: 0 0 46px; align-self: center; position: relative; height: 2px; background: linear-gradient(90deg, var(--line-2), var(--blue) 50%, var(--line-2)); }
.kos-dot { position: absolute; top: 50%; left: 0; width: 8px; height: 8px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 10px 1px rgba(6,188,212,.7); transform: translate(-50%,-50%); animation: kosFlow 2.6s linear infinite; }
.kos-flow > *:nth-child(2) .kos-dot { animation-delay: 0s; }
.kos-flow > *:nth-child(4) .kos-dot { animation-delay: .35s; }
.kos-flow > *:nth-child(6) .kos-dot { animation-delay: .7s; }
@keyframes kosFlow { 0%{left:0;opacity:0;} 12%{opacity:1;} 88%{opacity:1;} 100%{left:100%;opacity:0;} }
@media (max-width:860px){
  .kos-flow { flex-direction: column; }
  .kos-link { flex: 0 0 34px; width: 2px; height: 34px; align-self: center; background: linear-gradient(180deg, var(--line-2), var(--blue) 50%, var(--line-2)); }
  .kos-dot { animation: kosFlowV 2.6s linear infinite; }
}
@keyframes kosFlowV { 0%{top:0;opacity:0;} 12%{opacity:1;} 88%{opacity:1;} 100%{top:100%;opacity:0;} }
.knowledge__proof { display: flex; align-items: center; gap: 13px; padding: 18px 22px; background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: var(--r-md); font-size: .9rem; color: var(--ink-2); line-height: 1.7; }
.knowledge__proof-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--mint); flex-shrink: 0; box-shadow: 0 0 0 4px var(--cyan-soft); }
.support__entry { max-width: 760px; margin: 56px 0 40px; padding-top: 48px; border-top: 1px solid var(--line-2); }
.support__entry-label { font-family: var(--font-en); font-size: .74rem; font-weight: 600; letter-spacing: .16em; text-transform: uppercase; color: var(--blue-deep); display: block; margin-bottom: 16px; }
.support__entry-title { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(1.6rem,3.6vw,2.4rem); line-height: 1.4; color: var(--ink); margin-bottom: 20px; }
@media (max-width:768px){ .knowledge__steps { grid-template-columns: 1fr; } }

/* =====================================================================
   Prose（ブログ記事本文タイポ）
   ===================================================================== */
.prose { max-width: 720px; margin: 0 auto; }
.prose > * + * { margin-top: 1.25em; }
.prose h2 { font-family: var(--font-mincho); font-size: clamp(1.5rem,3vw,2rem); font-weight: 600; color: var(--ink); margin-top: 2.2em; margin-bottom: .7em; line-height: 1.45; }
.prose h3 { font-family: var(--font-mincho); font-size: 1.3rem; font-weight: 600; color: var(--ink); margin-top: 1.8em; margin-bottom: .5em; }
.prose p { font-size: 1.02rem; color: var(--ink-2); line-height: 2.05; }
.prose a { color: var(--blue-deep); text-decoration: underline; text-underline-offset: 3px; }
.prose a:hover { color: var(--blue); }
.prose ul, .prose ol { padding-left: 1.4em; color: var(--ink-2); line-height: 2; }
.prose li { margin: .5em 0; }
.prose blockquote { border-left: 3px solid var(--blue); padding: .3em 0 .3em 1.4em; color: var(--ink); font-family: var(--font-mincho); font-size: 1.1rem; }
.prose strong { color: var(--ink); font-weight: 700; }
.prose img { border-radius: var(--r-md); }
.prose code { font-family: var(--font-mono); font-size: .9em; background: var(--bg-tint); padding: .15em .45em; border-radius: 4px; color: var(--blue-deep); }

/* =====================================================================
   Article（ブログ記事ヘッダー）+ Blog list（一覧）
   ===================================================================== */
.article-hero { padding: clamp(120px,15vw,170px) 0 0; }
.article-meta { display: flex; gap: 16px; align-items: center; margin-bottom: 18px; font-family: var(--font-en); font-size: .82rem; color: var(--ink-3); }
.article-cat { color: var(--cyan); font-weight: 600; letter-spacing: .04em; }
.article-title { font-family: var(--font-mincho); font-weight: 600; font-size: clamp(1.9rem,4.4vw,2.9rem); line-height: 1.45; color: var(--ink); max-width: 820px; }
.article-eyecatch { aspect-ratio: 16/7; border-radius: var(--r-lg); margin: 40px auto 0; max-width: 940px; background: linear-gradient(135deg,#2E55FF,#06BCD4 55%,#36D9A6); background-size: 160% 160%; box-shadow: var(--glow); display: grid; place-items: center; }
.article-eyecatch__tag { font-family: var(--font-en); font-weight: 700; font-size: clamp(1.2rem,3vw,2rem); color: #fff; letter-spacing: .02em; text-shadow: 0 2px 18px rgba(0,0,0,.25); }
.prose img[src*="unsplash"] { display: none; }
.article-body { padding: clamp(48px,7vw,80px) 0 clamp(60px,8vw,100px); }
.article-foot { max-width: 720px; margin: 0 auto; padding-top: 40px; border-top: 1px solid var(--line); display: flex; gap: 14px; flex-wrap: wrap; }

.bloglist__grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 26px; }
.bloglist-card { display: flex; flex-direction: column; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); overflow: hidden; transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.bloglist-card:hover { transform: translateY(-5px); box-shadow: var(--glow); }
.bloglist-card__media { aspect-ratio: 16/10; background-size: 180% 180%; display: grid; place-items: center; position: relative; }
.bloglist-card__media::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 78% 16%, rgba(255,255,255,.3), transparent 46%); }
.bloglist-card__tag { position: relative; z-index: 1; font-family: var(--font-en); font-weight: 700; color: #fff; font-size: 1rem; text-shadow: 0 2px 14px rgba(0,0,0,.22); }
.bloglist-card__body { padding: 22px 24px 26px; flex: 1; display: flex; flex-direction: column; }
.bloglist-card__meta { display: flex; gap: 12px; font-family: var(--font-en); font-size: .74rem; color: var(--ink-3); margin-bottom: 10px; }
.bloglist-card__title { font-family: var(--font-mincho); font-weight: 600; font-size: 1.12rem; color: var(--ink); line-height: 1.6; }
@media (max-width:1024px){ .bloglist__grid { grid-template-columns: repeat(2,1fr); } }
@media (max-width:680px){ .bloglist__grid { grid-template-columns: 1fr; } }

/* =====================================================================
   Article extras（シェア・タグ・前後・関連）
   ===================================================================== */
.article-excerpt { font-size: 1.05rem; color: var(--ink-2); line-height: 1.9; margin-top: 18px; max-width: 760px; }
.article-extra { max-width: 720px; margin: 48px auto 0; display: flex; justify-content: space-between; align-items: center; gap: 20px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line); }
.article-share { display: flex; align-items: center; gap: 12px; font-size: .84rem; }
.article-share__label { color: var(--ink-3); }
.article-share a { font-family: var(--font-en); font-weight: 600; color: var(--blue-deep); }
.article-share a:hover { color: var(--blue); }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; }
.article-tag { font-size: .78rem; color: var(--ink-3); }
.article-nav { max-width: 720px; margin: 36px auto 0; display: flex; gap: 16px; }
.article-nav__item { flex: 1; max-width: 50%; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-md); padding: 16px 20px; transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease); }
.article-nav__item.is-next { text-align: right; margin-left: auto; }
.article-nav__item span { font-family: var(--font-en); font-size: .72rem; color: var(--ink-3); display: block; margin-bottom: 4px; }
.article-nav__item strong { font-family: var(--font-mincho); font-size: .95rem; color: var(--ink); font-weight: 600; }
.article-nav__item:hover { border-color: var(--blue); box-shadow: var(--glow); }
.article-related { max-width: 1100px; margin: 64px auto 0; }
.article-related__title { font-family: var(--font-mincho); font-size: 1.5rem; font-weight: 600; color: var(--ink); margin-bottom: 28px; text-align: center; }

/* =====================================================================
   Blog index（一覧）
   ===================================================================== */
.blog-promise { display: grid; grid-template-columns: repeat(3,1fr); gap: 18px; margin-bottom: 36px; }
.blog-promise__card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r-lg); padding: 26px; }
.blog-promise__card strong { font-family: var(--font-mincho); font-size: 1.1rem; color: var(--ink); display: block; margin-bottom: 10px; }
.blog-promise__card span { font-size: .88rem; color: var(--ink-2); line-height: 1.85; }
.blog-topics { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 22px; }
.blog-topic { font-size: .8rem; color: var(--blue-deep); background: var(--blue-soft); border-radius: 999px; padding: 6px 16px; }
.blog-editorial { background: var(--surface); border: 1px solid var(--line); border-left: 3px solid var(--blue); border-radius: var(--r-md); padding: 22px 26px; margin-bottom: 44px; }
.blog-editorial__kicker { font-family: var(--font-en); font-size: .72rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; color: var(--blue-deep); display: block; margin-bottom: 10px; }
.blog-editorial p { font-size: .92rem; color: var(--ink-2); line-height: 1.95; }
.blog-pagination { display: flex; gap: 12px; justify-content: center; align-items: center; margin-top: 48px; }
.blog-pagination span, .blog-pagination a { font-family: var(--font-en); font-weight: 600; padding: 8px 16px; border-radius: var(--r-sm); }
.blog-pagination .is-current { background: var(--grad); color: #fff; }
.blog-pagination a { border: 1px solid var(--line-2); color: var(--ink); }
.blog-pagination a:hover { border-color: var(--blue); color: var(--blue-deep); }
@media (max-width:768px){ .blog-promise { grid-template-columns: 1fr; } }

/* =====================================================================
   Reduced motion
   ===================================================================== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; scroll-behavior: auto !important; }
  [data-reveal], [data-reveal-stagger] > * { opacity: 1 !important; transform: none !important; }
  .orb { animation: none !important; }
}