/* ============================================================
   AI-agents LP — "Ink & Ember"（墨×琥珀）
   角丸・グラデ文字・グロー・ガラスを使わない。
   1pxヘアラインとモノスペースの「台帳/図面」言語で組む。
   ============================================================ */
:root{
  --bg:#070A12;          /* 深青黒（ページ地・OFF） */
  --bg-2:#0B0F1A;
  --srf:#1A2233;         /* カード面（ON面より明るく保つ） */
  --line:rgba(222,232,250,.10);
  --line-2:rgba(222,232,250,.22);
  --tx:#E6F2EE;          /* 冷白 */
  --tx-2:#9DB3AD;
  --tx-3:#677973;
  --acc:#2DD4BF;         /* ティール（主アクセント・HUD） */
  --acc-hi:#5EEAD4;
  --ink-on-acc:#04110E;
  --acc2:#A3E635;        /* ライム（第2アクセント・注記/HUD系） */
  --acc2-dim:rgba(163,230,53,.42);
  --key:#FF2E97;         /* キーカラー（マゼンタ）— CTA/行動・最重要強調に集中 */
  --key-hi:#FF5CAD;
  --ink-on-key:#fff;     /* マゼンタ上は白文字 */
  --key-btn:#D6196F;     /* ボタン専用の濃マゼンタ（白文字が映えるコントラスト確保）*/
  --key-btn-hi:#EC2A86;
  --srf-hi:rgba(222,232,250,.05); /* カード上辺のハイライト */
  --font-head:"Noto Sans JP",-apple-system,"Hiragino Sans",sans-serif;
  --font-body:"Noto Sans JP",-apple-system,"Hiragino Sans",sans-serif;
  --font-mono:"IBM Plex Mono",ui-monospace,monospace;
  --pad:clamp(112px,14vw,210px);
  --ease:cubic-bezier(.22,1,.36,1);--dur-fast:150ms;--dur:300ms;--dur-slow:640ms;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);color:var(--tx);background:var(--bg);line-height:1.95;
  font-feature-settings:"halt";-webkit-font-smoothing:antialiased;overflow-x:hidden;
  /* 琥珀の残光（主役）＋右下に緑青の残光、図面グリッドは更に淡く */
  background-image:
    radial-gradient(78% 56% at 5% -3%,rgba(45,212,191,.075),transparent 56%),
    radial-gradient(64% 52% at 102% 102%,rgba(163,230,53,.05),transparent 60%),
    repeating-linear-gradient(0deg,transparent 0 56px,rgba(222,232,250,.015) 56px 57px),
    repeating-linear-gradient(90deg,transparent 0 56px,rgba(222,232,250,.015) 56px 57px);
}
/* グレイン（デジタルの平板さを消す薄い粒子。操作は阻害しない） */
body::after{
  content:"";position:fixed;inset:0;z-index:9998;pointer-events:none;
  opacity:.045;mix-blend-mode:soft-light;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}
::selection{background:var(--key);color:var(--ink-on-key)}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
h1,h2,h3{font-family:var(--font-head);font-weight:400;line-height:1.34;letter-spacing:.02em}
strong{color:var(--tx);font-weight:700}
section{padding:var(--pad) 0;border-top:1px solid var(--line)}
.hero{border-top:none}
/* 背景の明暗ゾーニング：ごく薄い持ち上げ面で抑揚を作る */
/* 明るい側(ON面)の背景装飾：ティールのフレア(光のにじみ)＋ドットグリッド。OFF面には入れない */
.sec--raise{
  background:
    radial-gradient(60% 55% at 86% 4%,rgba(45,212,191,.16),transparent 56%),    /* ティール(主) 右上 */
    radial-gradient(46% 42% at 62% -6%,rgba(163,230,53,.09),transparent 60%),   /* ライム 上 */
    radial-gradient(54% 50% at 106% 28%,rgba(255,46,151,.08),transparent 55%),  /* マゼンタ 右 */
    radial-gradient(rgba(94,234,212,.11) 1px,transparent 1.6px) 0 0/26px 26px,  /* ドットグリッド */
    #131C2B;
}
/* セクション背景の巨大ゴーストナンバー（全セクションで左上に統一） */
main>section:not(.hero){position:relative}
.section-ghost{
  position:absolute;z-index:0;pointer-events:none;
  top:clamp(18px,3.4vw,42px);left:clamp(14px,4vw,58px);
  font-family:var(--font-mono);font-weight:700;line-height:1;letter-spacing:-.04em;
  font-size:clamp(4.5rem,14vw,10rem);color:rgba(222,232,250,.03);
}
main>section:not(.hero)> .l-container{position:relative;z-index:1}
.l-container{max-width:1140px;margin:0 auto;padding:0 clamp(20px,5vw,52px)}
.l-container--mid{max-width:920px}
.l-container--narrow{max-width:760px}
.u-center{text-align:center}
.u-dim{color:var(--tx-3)}
.u-br-pc{display:none}@media(min-width:861px){.u-br-pc{display:inline}}
.u-br-sp{display:none}@media(max-width:620px){.u-br-sp{display:inline}}

/* kicker（眉）— モノスペース＋琥珀番号 */
.kicker{font-size:12px;font-weight:600;letter-spacing:.16em;color:var(--tx-3);display:flex;align-items:center;gap:14px}
.kicker b{font-family:var(--font-mono);color:var(--acc);font-weight:600}
.kicker::before{content:"";width:36px;height:1px;background:var(--line-2)}
.kicker--center{justify-content:center}
.kicker--center::after{content:"";width:36px;height:1px;background:var(--line-2)}

/* 見出し・リード */
.heading{font-size:clamp(2.3rem,6.2vw,4.6rem);font-weight:400;letter-spacing:-.02em;line-height:1.1;margin-top:clamp(18px,2.2vw,30px);text-wrap:balance}
.heading em{font-style:normal;color:var(--acc-hi);background:linear-gradient(transparent 64%,rgba(45,212,191,.18) 64%);padding:0 .06em}
.lead{font-size:clamp(1rem,1.5vw,1.125rem);color:var(--tx-2);margin-top:24px;line-height:2.05}
.lead--center{max-width:640px;margin-inline:auto}

/* ボタン — 鋭角矩形＋モノ矢印。角丸なし */
.btn{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:12px;height:58px;padding:0 32px;font-family:var(--font-body);font-weight:700;font-size:15px;letter-spacing:.05em;border:1px solid transparent;cursor:pointer;transition:background var(--dur-fast),color var(--dur-fast),border-color var(--dur-fast),transform var(--dur-fast) var(--ease)}
.btn::after{content:"→";font-family:var(--font-mono);font-weight:400;font-size:1.05em;transition:transform var(--dur) var(--ease)}
.btn:hover{transform:translateY(-1px)}
.btn:hover::after{transform:translateX(5px)}
.btn:focus-visible{outline:1px solid var(--acc);outline-offset:3px}
.btn--fill{background:var(--key-btn);color:var(--ink-on-key)}
.btn--fill:hover{background:var(--key-btn-hi)}
.btn--ghost{border-color:var(--line-2);color:var(--tx)}
.btn--ghost:hover{border-color:var(--acc);color:var(--acc-hi)}
.btn--sm{height:44px;padding:0 22px;font-size:13.5px}
.btn--lg{height:64px;padding:0 44px;font-size:16px}

/* site-nav（PC: 追従・透明→墨ソリッド） */
header.site-nav{position:fixed;top:0;left:0;right:0;z-index:50;border-bottom:1px solid transparent;transition:background var(--dur),border-color var(--dur)}
header.site-nav.site-nav--solid{background:rgba(6,11,10,.95);border-bottom-color:var(--line)}
.site-nav .l-container{display:flex;align-items:center;justify-content:space-between;height:72px;max-width:1200px}
.site-nav__brand{display:flex;align-items:center;color:var(--tx)}
.site-nav__brand svg{width:auto;height:26px}
.site-nav__links{display:flex;align-items:center;gap:34px;font-size:13.5px;font-weight:500;color:var(--tx-2)}
.site-nav__links a:hover{color:var(--acc-hi)}
.site-nav__drawer-cta{display:none}
.site-nav__toggle{display:none}

/* hero — 08と同じ構成（PC: 右に全高写真の split／SP: 写真トップのフルブリード） */
.hero{position:relative;overflow:hidden;min-height:100svh;display:flex;align-items:center}
.hero .l-container{position:relative;z-index:1;display:grid;grid-template-columns:minmax(0,.66fr) minmax(0,.34fr);align-items:center;width:100%;padding-top:130px;padding-bottom:100px}
.hero__media{position:absolute;z-index:0;top:0;right:0;bottom:0;width:50vw;overflow:hidden}
.hero__media::before{content:"";position:absolute;inset:0;z-index:1;background:linear-gradient(90deg,var(--bg) 0%,rgba(6,11,10,.42) 34%,transparent 72%)}/* 左から墨へ溶かしコピーの可読性を確保 */
.hero__media img{width:100%;height:100%;object-fit:cover;filter:saturate(1.08) contrast(1.04) brightness(.92)}/* 本番背景画像（青み寒色のまま活かし、軽く締めるのみ） */
.hero__title{font-size:clamp(2.5rem,7vw,5.2rem);font-weight:400;letter-spacing:-.02em;line-height:1.08;margin-top:26px}
.hero__title em{font-style:normal;color:var(--acc-hi);background:linear-gradient(transparent 60%,rgba(45,212,191,.18) 60%);padding:0 .06em}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px}
.hero__points{list-style:none;margin-top:38px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap}
.hero__points li{position:relative;font-size:12.5px;color:var(--tx-3);letter-spacing:.04em;padding:12px 26px 0 18px}
.hero__points li::before{content:"✓";position:absolute;left:0;top:12px;font-family:var(--font-mono);color:var(--acc)}
.hero__scroll-cue{position:absolute;left:25%;bottom:24px;transform:translateX(-50%);z-index:2;font-family:var(--font-mono);font-size:10px;font-weight:500;letter-spacing:.3em;text-transform:uppercase;color:var(--tx-3);display:flex;flex-direction:column;align-items:center;gap:10px}
.hero__scroll-cue::after{content:"";width:1px;height:48px;background:linear-gradient(var(--acc),transparent)}
/* ヒーローはロード時に staggered で立ち上げる（js-revealの初期非表示を打ち消し、子をCSSアニメに一本化） */
.hero__copy.js-reveal{opacity:1;transform:none;transition:none}
@keyframes heroIn{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero__copy>*{animation:heroIn .85s var(--ease) both}
.hero__copy>.kicker{animation-delay:.10s}
.hero__copy>.hero__title{animation-delay:.22s}
.hero__copy>.lead{animation-delay:.38s}
.hero__copy>.hero__actions{animation-delay:.52s}
.hero__copy>.hero__points{animation-delay:.64s}
.hero__scroll-cue{animation:heroIn 1s var(--ease) both;animation-delay:.9s}

/* frame — 写真の図面フレーム（角丸なし・隅にチック） */
.frame{position:relative;border:1px solid var(--line);background:var(--bg-2);padding:clamp(10px,1.4vw,16px)}
.frame::before,.frame::after{content:"";position:absolute;width:14px;height:14px;border:0 solid var(--acc)}
.frame::before{top:-1px;left:-1px;border-top-width:1px;border-left-width:1px}
.frame::after{bottom:-1px;right:-1px;border-bottom-width:1px;border-right-width:1px}
.frame img{width:100%;filter:grayscale(1) sepia(.42) saturate(1.7) hue-rotate(130deg) brightness(.94)}/* 流用画像を温モノクロ化（差し替えまでの繋ぎ） */
.frame__caption{font-family:var(--font-mono);font-size:10.5px;letter-spacing:.18em;color:var(--acc2);padding-top:10px;text-transform:uppercase}

/* problem — 課題提示。囲みカードを廃し全幅の罫線リスト(エディトリアル)で他セクションと差別化 */
.pain{list-style:none;display:grid;grid-template-columns:minmax(0,1fr);gap:0;max-width:940px;margin:clamp(48px,6vw,72px) auto 0;border-top:1px solid var(--line)}
.pain__item{position:relative;display:grid;grid-template-columns:auto minmax(0,1fr);align-items:center;gap:clamp(24px,5vw,64px);padding:clamp(28px,4.4vw,52px) clamp(8px,1.5vw,20px);border-bottom:1px solid var(--line);transition:background .3s,padding-left .3s}
.pain__item::before{content:"";position:absolute;left:0;top:50%;width:2px;height:0;background:var(--acc);transform:translateY(-50%);transition:height .3s}
.pain__item:hover{background:linear-gradient(90deg,rgba(110,231,199,.05),transparent 62%);padding-left:clamp(18px,2.2vw,30px)}
.pain__item:hover::before{height:clamp(34px,4vw,52px)}
.pain__no{font-family:var(--font-mono);font-size:clamp(2.8rem,7vw,5rem);font-weight:400;line-height:.9;letter-spacing:-.03em;color:var(--tx-3);transition:color .3s}
.pain__item:hover .pain__no{color:var(--acc)}
.pain__tag{display:block;font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--tx-3);margin-bottom:clamp(8px,1vw,12px);transition:color .3s}
.pain__item:hover .pain__tag{color:var(--acc)}
.pain__body{min-width:0}
.pain__quote{font-size:clamp(1.18rem,2.4vw,1.7rem);font-weight:500;color:var(--tx);line-height:1.5;letter-spacing:-.01em;min-width:0;overflow-wrap:anywhere;word-break:break-word}
.problem-bridge{position:relative;max-width:940px;margin:clamp(36px,5vw,58px) auto 0;border-top:1px solid rgba(94,234,212,.42);padding:clamp(28px,4vw,44px) clamp(0px,1.5vw,20px) clamp(16px,2.5vw,28px)}
.problem-bridge::before{content:"";position:absolute;top:-1px;left:0;width:clamp(72px,10vw,128px);height:1px;background:var(--key)}
.problem-bridge__label{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.18em;color:var(--acc2);line-height:1.6}
.problem-bridge__body{display:grid;grid-template-columns:minmax(240px,.38fr) minmax(0,1fr);gap:clamp(24px,4vw,56px);align-items:start;margin-top:clamp(18px,2.6vw,28px)}
.problem-bridge__body h3{font-family:var(--font-body);font-size:clamp(1.3rem,2.35vw,1.9rem);font-weight:700;line-height:1.48;letter-spacing:-.01em;color:var(--tx);text-wrap:balance}
.problem-bridge__body p{font-size:clamp(.92rem,1.25vw,1rem);color:var(--tx-2);line-height:2.05}
.problem-bridge__steps{list-style:none;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;margin-top:clamp(26px,4vw,42px);border:1px solid rgba(222,232,250,.14);background:rgba(222,232,250,.1)}
.problem-bridge__steps li{position:relative;min-height:118px;background:linear-gradient(180deg,rgba(12,20,33,.74),rgba(12,20,33,.42));padding:clamp(18px,2.2vw,24px);overflow:hidden}
.problem-bridge__steps li::before{content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--acc);opacity:.7}
.problem-bridge__steps li:nth-child(3)::before{background:var(--key)}
.problem-bridge__steps b{display:block;font-size:clamp(1.02rem,1.55vw,1.22rem);line-height:1.5;color:var(--tx);margin-bottom:8px}
.problem-bridge__steps span{display:block;font-size:.82rem;color:var(--tx-2);line-height:1.8}
.problem-bridge__next{display:grid;justify-items:center;gap:clamp(12px,1.8vw,18px);width:min(360px,100%);margin:clamp(64px,8vw,116px) auto calc(var(--pad) * -0.28);color:var(--acc-hi);transition:color var(--dur-fast),transform var(--dur) var(--ease)}
.problem-bridge__next-text{font-size:clamp(1.05rem,1.7vw,1.45rem);font-weight:700;line-height:1.55;letter-spacing:.04em;text-align:center;color:currentColor}
.problem-bridge__next-arrow{position:relative;display:block;width:clamp(96px,13vw,156px);height:clamp(48px,6.4vw,78px)}
.problem-bridge__next-arrow::before,.problem-bridge__next-arrow::after{content:"";position:absolute;left:50%;bottom:8px;width:50%;height:2px;background:currentColor;box-shadow:0 0 18px rgba(94,234,212,.2);transform-origin:bottom center}
.problem-bridge__next-arrow::before{transform:translateX(-95%) rotate(38deg)}
.problem-bridge__next-arrow::after{transform:translateX(-5%) rotate(-38deg)}
.problem-bridge__next:hover{color:var(--tx);transform:translateY(4px)}
.problem-bridge__next:focus-visible{outline:1px solid var(--acc);outline-offset:8px}

/* 02特徴 — 背景写真を見せながら、商材化の流れが読める構成 */
.features-band{position:relative;isolation:isolate;overflow:hidden}
.features-band__bg{position:absolute;inset:0;z-index:-3;width:100%;height:100%;object-fit:cover;object-position:center 52%;filter:saturate(1.02) contrast(1.08) brightness(.72)}
.features-band::before{content:"";position:absolute;inset:0;z-index:-2;background:linear-gradient(180deg,rgba(7,10,18,.94) 0%,rgba(7,10,18,.7) 34%,rgba(7,10,18,.88) 100%),linear-gradient(90deg,rgba(7,10,18,.94) 0%,rgba(7,10,18,.68) 48%,rgba(7,10,18,.36) 100%)}
.features-band::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;background:linear-gradient(90deg,rgba(45,212,191,.12),transparent 28%,rgba(255,46,151,.1) 78%,transparent),repeating-linear-gradient(90deg,transparent 0 84px,rgba(222,232,250,.045) 84px 85px)}
.features{display:grid;grid-template-columns:minmax(260px,.42fr) minmax(0,1fr);gap:clamp(24px,4vw,54px);align-items:stretch;margin-top:clamp(48px,6vw,76px)}
.features__intro{position:relative;min-height:100%;border-left:1px solid rgba(94,234,212,.5);padding:clamp(24px,3vw,36px) clamp(22px,3vw,34px);background:linear-gradient(180deg,rgba(7,10,18,.62),rgba(7,10,18,.28));box-shadow:inset 0 1px 0 rgba(255,255,255,.04)}
.features__intro::before{content:"";position:absolute;top:0;left:-1px;width:1px;height:clamp(72px,10vw,128px);background:var(--key)}
.features__eyebrow{font-family:var(--font-mono);font-size:10.5px;font-weight:600;letter-spacing:.18em;color:var(--acc2);line-height:1.5}
.features__lead{margin-top:clamp(22px,3vw,34px);font-size:clamp(1.16rem,2.15vw,1.68rem);font-weight:500;line-height:1.72;letter-spacing:-.01em;color:var(--tx)}
.features__signal{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1px;margin-top:clamp(28px,4vw,46px);border:1px solid rgba(222,232,250,.16);background:rgba(222,232,250,.12)}
.features__signal span{display:flex;align-items:center;justify-content:center;min-height:58px;background:rgba(7,10,18,.74);font-family:var(--font-mono);font-size:11px;font-weight:600;letter-spacing:.16em;color:var(--tx-2)}
.features__list{display:grid;grid-template-columns:1fr;gap:12px}
.tile{position:relative;display:grid;grid-template-columns:72px minmax(0,1fr);gap:clamp(16px,2.2vw,28px);align-items:start;border:1px solid rgba(222,232,250,.15);background:linear-gradient(90deg,rgba(14,22,36,.9),rgba(14,22,36,.62));box-shadow:inset 0 1px 0 rgba(255,255,255,.045),0 20px 54px -42px rgba(0,0,0,.95);padding:clamp(22px,2.6vw,30px);opacity:0;overflow:hidden;transition:opacity .6s var(--ease) var(--rd,0s),transform var(--dur) var(--ease),border-color var(--dur),box-shadow var(--dur),background var(--dur)}
.tile::before{content:"";position:absolute;inset:0 0 auto 0;height:1px;background:linear-gradient(90deg,var(--acc),transparent 42%,rgba(255,46,151,.55))}
.tile::after{content:"";position:absolute;right:clamp(18px,2vw,24px);top:50%;width:clamp(44px,5vw,72px);height:1px;background:rgba(94,234,212,.22);transform:translateY(-50%);transition:width var(--dur) var(--ease),background var(--dur)}
.tile:hover{transform:translateX(6px);border-color:rgba(94,234,212,.36);background:linear-gradient(90deg,rgba(17,31,48,.94),rgba(17,31,48,.68));box-shadow:inset 0 1px 0 rgba(255,255,255,.07),0 26px 70px -46px rgba(0,0,0,.98)}
.tile:hover::after{width:clamp(70px,8vw,118px);background:rgba(255,46,151,.42)}
.tile__num{font-family:var(--font-mono);font-size:clamp(2rem,4.2vw,3.45rem);font-weight:400;line-height:.9;letter-spacing:-.04em;color:rgba(94,234,212,.82)}
.tile h3{font-family:var(--font-body);font-weight:700;font-size:clamp(1.05rem,1.35vw,1.24rem);letter-spacing:.01em;line-height:1.45;margin-bottom:8px;padding-right:clamp(44px,6vw,112px)}
.tile p{font-size:.86rem;color:var(--tx-2);line-height:1.9;max-width:62ch}

/* l-split（08の03/04と同じ2カラム）＋提供価値の行リスト */
.l-split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,90px);align-items:start}
.solution__body{margin-top:clamp(32px,4vw,56px)}
.solution__media{justify-self:center;max-width:min(100%,430px)}
.solution__media img{aspect-ratio:4/5;height:auto;object-fit:cover;object-position:center;filter:saturate(1.03) contrast(1.06) brightness(.9)}
.solution__steps{list-style:none;margin-top:36px;border-top:1px solid var(--line)}
.solution__steps li{display:grid;grid-template-columns:44px 1fr;gap:16px;padding:18px 0;border-bottom:1px solid var(--line)}
.solution__steps b{font-family:var(--font-mono);font-weight:600;font-size:13px;color:var(--acc);padding-top:5px}
.solution__steps h3{font-size:1.1rem;margin-bottom:4px}
.solution__steps p{font-size:.85rem;color:var(--tx-2);line-height:1.9}

/* examples — 08のCases構成（ショーケース帯＋フラット3カラムグリッド） */
.cases-band{background:var(--bg)}
.cases{display:grid;gap:clamp(28px,3.4vw,44px);margin-top:clamp(44px,5.5vw,64px)}
.industry{display:grid;grid-template-columns:minmax(180px,.36fr) minmax(0,1fr);gap:clamp(22px,3vw,36px);align-items:start;border-top:none;padding:0}
.industry__head{position:sticky;top:92px}
.industry__eyebrow{font-family:var(--font-mono);font-size:10px;font-weight:600;letter-spacing:.18em;color:var(--acc);line-height:1;margin-bottom:12px}
.industry__head h3{font-size:clamp(1.5rem,2.7vw,2.25rem);font-weight:900;line-height:1.15;letter-spacing:.02em;margin-bottom:10px}
.industry__head p:not(.industry__eyebrow){font-size:.82rem;color:var(--tx-3);line-height:1.8}
.industry__cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(18px,2.2vw,28px)}
.case{--case-pad:clamp(18px,2.1vw,24px);position:relative;isolation:isolate;overflow:hidden;border:1px solid rgba(222,232,250,.14);background:linear-gradient(180deg,rgba(222,232,250,.06),rgba(222,232,250,.018) 42%,rgba(45,212,191,.035)),#111928;box-shadow:inset 0 1px 0 rgba(255,255,255,.055),0 26px 70px -48px rgba(0,0,0,.92);padding:var(--case-pad);opacity:0;transition:opacity .6s var(--ease) var(--rd,0s),transform var(--dur) var(--ease),border-color var(--dur),box-shadow var(--dur),background var(--dur)}
.case::before{content:"";position:absolute;z-index:2;top:0;left:0;right:0;height:2px;background:linear-gradient(90deg,var(--acc),transparent 38%,rgba(255,46,151,.72) 72%,transparent)}
.case::after{content:"";position:absolute;z-index:-1;inset:0;background:linear-gradient(135deg,rgba(45,212,191,.13),transparent 28%),radial-gradient(80% 54% at 100% 0,rgba(255,46,151,.08),transparent 56%);opacity:.58;transition:opacity var(--dur)}
.case:hover{transform:translateY(-5px);border-color:rgba(94,234,212,.42);box-shadow:inset 0 1px 0 rgba(255,255,255,.075),0 30px 80px -44px rgba(0,0,0,.96)}
.case:hover::after{opacity:.86}
.case__media{position:relative;aspect-ratio:16/9;margin:calc(var(--case-pad) * -1) calc(var(--case-pad) * -1) clamp(20px,2.2vw,26px);overflow:hidden;border:0;border-bottom:1px solid rgba(222,232,250,.13);background:var(--bg-2)}
.case__media::before{content:"";position:absolute;z-index:1;inset:0;background:linear-gradient(180deg,rgba(7,10,18,.02),transparent 45%,rgba(7,10,18,.68));pointer-events:none}
.case__media::after{content:"";position:absolute;z-index:1;inset:0;pointer-events:none;background:linear-gradient(90deg,rgba(45,212,191,.16),transparent 22%,rgba(255,46,151,.08) 100%);mix-blend-mode:screen;opacity:.45}
.case__media picture{display:block;width:100%;height:100%}
.case__media img{width:100%;height:100%;object-fit:cover;filter:saturate(.96) contrast(1.08) brightness(.8);transition:transform var(--dur-slow) var(--ease),filter var(--dur)}
.case:hover .case__media img{transform:scale(1.045);filter:saturate(1.04) contrast(1.1) brightness(.9)}
.case__tag{position:relative;z-index:2;display:inline-flex;align-items:center;gap:8px;max-width:100%;font-family:var(--font-mono);font-size:10.5px;font-weight:600;line-height:1.45;letter-spacing:.08em;color:var(--acc-hi);background:rgba(7,10,18,.82);border:1px solid rgba(94,234,212,.28);padding:6px 9px;margin:-54px 0 18px;text-transform:uppercase;box-shadow:0 12px 26px -18px rgba(0,0,0,.95)}
.case__tag::before{content:"";flex:0 0 6px;width:6px;height:6px;background:var(--key)}
.case h3{font-family:var(--font-body);font-weight:700;font-size:clamp(1.08rem,1.22vw,1.2rem);letter-spacing:.01em;line-height:1.45;margin-bottom:10px}
.case p{min-width:0;overflow-wrap:anywhere;word-break:break-word;font-size:.82rem;color:var(--tx-2);line-height:1.9}
.case__spec{position:relative;margin:18px calc(var(--case-pad) * -1) calc(var(--case-pad) * -1);padding:13px var(--case-pad) 15px;border-top:1px solid rgba(163,230,53,.22);background:rgba(2,4,10,.24);font-family:var(--font-mono);font-size:.68rem;letter-spacing:.01em;color:var(--tx-3)}
.examples__note{text-align:center;margin-top:clamp(48px,6vw,64px);font-size:.85rem;color:var(--tx-3)}

/* flow — 08「流れはとてもシンプル」と同じUI（上辺ヘアライン＋ノード＋大きな期間＋見出し＋説明） */
.flow{list-style:none;display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(56px,7vw,96px)}
.flow__item{position:relative;display:block;border-top:1px solid var(--line-2);padding:clamp(22px,2.6vw,30px) clamp(18px,2.4vw,32px) 0 0}
.flow__item::before{content:"";position:absolute;left:0;top:-4px;width:7px;height:7px;background:var(--acc)}/* 角丸なしの正方ノード（08のドットに対応） */
.flow__num{font-family:var(--font-mono);font-weight:500;font-size:.8rem;letter-spacing:.14em;color:var(--tx-3)}
.flow__dur{font-weight:900;font-size:clamp(1.6rem,2.5vw,2.2rem);color:var(--acc);line-height:1.2;letter-spacing:-.01em;margin:8px 0 10px}
.flow__dur small{font-size:.55em;font-weight:500}
.flow__item h3{font-size:clamp(1.1rem,1.6vw,1.35rem);margin-bottom:8px}
.flow__item p{font-size:.85rem;color:var(--tx-2);line-height:1.9}

/* faq */
.faq{margin-top:clamp(40px,5vw,56px)}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:18px;padding:24px 2px;font-family:var(--font-head);font-weight:400;font-size:1.05rem;line-height:1.6}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"Q.";font-family:var(--font-mono);font-weight:600;color:var(--acc);margin-right:-2px}
.faq summary{display:grid;grid-template-columns:auto 1fr auto;text-align:left}
.faq__icon{position:relative;width:14px;height:14px}
.faq__icon::before,.faq__icon::after{content:"";position:absolute;background:var(--acc);transition:transform var(--dur) var(--ease)}
.faq__icon::before{left:0;top:6px;width:14px;height:1px}
.faq__icon::after{left:6.5px;top:0;width:1px;height:14px}
.faq details[open]:not(.js-acc) .faq__icon::after,.faq details.is-open .faq__icon::after{transform:scaleY(0)}
.faq .faq__answer{padding:0 2px 26px;font-size:.9rem;color:var(--tx-2);line-height:2;max-width:62ch}

/* contact — 08ベースのフォーム（Ink & Ember 化） */
/* === contact背景：放射グロー＋同心円レーダー（C案ベース） === */
.contact{position:relative;isolation:isolate;overflow:hidden;background:radial-gradient(circle at 50% 38%,transparent 34%,rgba(2,4,10,.66) 92%),repeating-radial-gradient(circle at 50% 38%,transparent 0 39px,rgba(45,212,191,.07) 39px 40px),conic-gradient(from 0deg at 50% 38%,rgba(45,212,191,.08),transparent 10%,rgba(45,212,191,.08) 25%,transparent 35%,rgba(45,212,191,.08) 50%,transparent 60%,rgba(45,212,191,.08) 75%,transparent 85%,rgba(45,212,191,.08)),radial-gradient(circle at 50% 38%,rgba(45,212,191,.16),transparent 46%),#090F1C}
.contact-form{margin:clamp(40px,5vw,56px) auto 0;max-width:520px;text-align:left}
.contact-form__hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.contact-form__field{margin-bottom:22px}
.contact-form__field label{display:block;font-size:14px;font-weight:500;color:var(--tx-2);margin-bottom:9px}
.contact-form__required{color:var(--key)}
.contact-form__field input,.contact-form__field textarea{width:100%;background:rgba(222,232,250,.04);border:1px solid var(--line-2);color:var(--tx);font-family:var(--font-body);font-size:15px;padding:13px 15px;transition:border-color var(--dur-fast),background var(--dur-fast)}
.contact-form__field ::placeholder{color:var(--tx-3)}
.contact-form__field input:focus,.contact-form__field textarea:focus{outline:none;border-color:var(--acc);background:rgba(222,232,250,.07)}
.contact-form__field textarea{resize:none}
.contact-form .u-center{margin-top:32px}
#contact-status{font-size:12px;text-align:center;margin-top:14px;color:var(--tx-3)}
.contact__company{margin-top:36px;font-size:12px;letter-spacing:.08em;color:var(--tx-3)}

/* footer */
footer{border-top:1px solid var(--line);padding:44px 24px 52px;text-align:center;font-size:12px;color:var(--tx-3)}
.footer__corp{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;color:var(--tx-2);transition:color var(--dur-fast)}
.footer__corp:hover{color:var(--acc-hi)}
.footer__corp svg{width:11px;height:11px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}
.footer__copy{margin-top:10px}

/* reveal */
.js-reveal{opacity:0;transform:translateY(24px)}
.js-reveal.is-visible{opacity:1;transform:none;transition:opacity var(--dur-slow) var(--ease),transform var(--dur-slow) var(--ease)}

/* 段階的リビール（stagger）：親グリッドのis-visible後に子を時間差表示。
   tile/caseはopacityフェード（hoverのtransformと非干渉）、flow/faqはスライドフェード。
   遅延は--rd変数でopacityにのみ効かせる。 */
.flow .flow__item,.faq details{opacity:0;transform:translateY(18px);transition:opacity .6s var(--ease) var(--rd,0s),transform .6s var(--ease) var(--rd,0s)}
.features.is-visible .tile,.cases.is-visible .case{opacity:1}
.flow.is-visible .flow__item,.faq.is-visible details{opacity:1;transform:none}
/* 2〜4番目（tile/flow/faq 共通）*/
.features.is-visible .tile:nth-child(2),.flow.is-visible .flow__item:nth-child(2),.faq.is-visible details:nth-child(2){--rd:.09s}
.features.is-visible .tile:nth-child(3),.flow.is-visible .flow__item:nth-child(3),.faq.is-visible details:nth-child(3){--rd:.18s}
.features.is-visible .tile:nth-child(4),.flow.is-visible .flow__item:nth-child(4),.faq.is-visible details:nth-child(4){--rd:.27s}
/* cases は6枚 */
.cases.is-visible .industry:nth-child(2) .case{--rd:.12s}
.cases.is-visible .industry:nth-child(3) .case{--rd:.24s}
.cases.is-visible .industry .case:nth-child(2){--rd:.08s}
.cases.is-visible .industry:nth-child(2) .case:nth-child(2){--rd:.2s}
.cases.is-visible .industry:nth-child(3) .case:nth-child(2){--rd:.32s}

/* ============ SP ============ */
@media(max-width:860px){
  /* 見出しはSPで少し抑える（長文の単語途中割れを防ぎ文節で折返す） */
  .heading{font-size:clamp(1.55rem,6vw,2.1rem)}
  /* nav: 非追従の墨バー＋ハンバーガー（08の学び: backdrop-filter/clip-path不使用） */
  header.site-nav{position:static;background:var(--bg);border-bottom-color:var(--line)}
  header.site-nav.site-nav--solid{background:var(--bg)}
  header.site-nav.site-nav--open{border-bottom-color:transparent}
  .site-nav .l-container{height:56px}
  .site-nav__brand{position:relative;z-index:61}
  .site-nav__brand svg{height:22px}
  .site-nav__cta{display:none}
  .site-nav__toggle{position:relative;z-index:61;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:7px;width:44px;height:44px;margin-right:-11px;padding:0;background:none;border:none;cursor:pointer}
  .site-nav__toggle:focus-visible{outline:1px solid var(--acc);outline-offset:2px}
  .site-nav__toggle-bar{width:22px;height:1.5px;background:var(--tx);transition:transform var(--dur) var(--ease)}
  .site-nav--open .site-nav__toggle-bar:nth-child(1){transform:translateY(4.25px) rotate(45deg)}
  .site-nav--open .site-nav__toggle-bar:nth-child(2){transform:translateY(-4.25px) rotate(-45deg)}
  .site-nav__links{position:fixed;inset:0;z-index:60;flex-direction:column;justify-content:center;align-items:stretch;gap:0;padding:88px clamp(24px,7vw,48px) 44px;background:var(--bg);font-size:1.05rem;color:var(--tx);visibility:hidden;opacity:0;transform:translateY(-12px);transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease),visibility 0s var(--dur)}
  .site-nav--open .site-nav__links{visibility:visible;opacity:1;transform:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}
  .site-nav__links a:not(.btn){padding:17px 2px;border-bottom:1px solid var(--line)}
  .site-nav__links a:not(.btn):first-child{border-top:1px solid var(--line)}
  .site-nav__drawer-cta{display:inline-flex;width:280px;max-width:100%;margin:38px auto 0}

  /* hero — 08と同じ写真トップのフルブリード */
  .hero{display:block;min-height:0;padding-top:0;padding-bottom:clamp(56px,9vw,80px)}
  .hero__media{position:relative;inset:auto;width:100%;aspect-ratio:4/3}
  .hero__media::before{background:linear-gradient(180deg,transparent 58%,var(--bg) 100%)}
  .hero .l-container{grid-template-columns:1fr;padding-top:44px;padding-bottom:0}
  .hero__scroll-cue{display:none}
  .hero__actions{flex-direction:column;align-items:center;margin-top:32px}
  .hero__actions .btn{width:280px;max-width:100%}
  .hero__points{display:block}
  .hero__points li{display:block;padding:10px 0 0 20px}
  .hero__points li::before{top:10px}

  /* pain — SPは番号と文字を詰めて行を圧縮（罫線リストは維持） */
  .pain{max-width:560px}
  .pain__item{gap:clamp(16px,4.5vw,24px);padding:clamp(22px,5.5vw,30px) 0}
  .pain__no{font-size:clamp(2.4rem,11vw,3.2rem)}
  .pain__body{min-width:0}
  .pain__quote{font-size:clamp(1.12rem,4.6vw,1.34rem)}
  .problem-bridge{padding:26px 0 18px}
  .problem-bridge__body{grid-template-columns:1fr;gap:14px}
  .problem-bridge__body h3{font-size:clamp(1.22rem,5.5vw,1.55rem)}
  .problem-bridge__body p{font-size:.9rem;line-height:1.95}
  .problem-bridge__steps{grid-template-columns:1fr;margin-top:24px}
  .problem-bridge__steps li{min-height:auto;padding:18px 18px 18px 20px}
  .problem-bridge__next{margin:42px auto calc(var(--pad) * -0.18);gap:10px}
  .problem-bridge__next-text{font-size:1.05rem;letter-spacing:.03em}
  .problem-bridge__next-arrow{width:104px;height:48px}

  /* 各グリッド → 縦積み（03画像は08同様SP非表示） */
  .features-band__bg{object-position:62% center}
  .features-band::before{background:linear-gradient(180deg,rgba(7,10,18,.94),rgba(7,10,18,.78) 46%,rgba(7,10,18,.94)),linear-gradient(90deg,rgba(7,10,18,.92),rgba(7,10,18,.62))}
  .features{grid-template-columns:1fr;gap:18px}
  .features__intro{padding:22px 20px}
  .features__lead{font-size:clamp(1.05rem,4.9vw,1.28rem);line-height:1.7}
  .features__signal span{min-height:48px;font-size:10px}
  .tile{grid-template-columns:54px minmax(0,1fr);gap:16px;padding:20px 18px}
  .tile::after{display:none}
  .tile:hover{transform:translateY(-2px)}
  .tile__num{font-size:clamp(2rem,11vw,2.7rem)}
  .tile h3{padding-right:0;font-size:1rem}
  .tile p{font-size:.82rem}
  .cases{min-width:0}
  .cases{gap:22px}
  .cases-band .lead{max-width:100%;text-wrap:wrap}
  .industry{grid-template-columns:1fr;gap:18px}
  .industry__head{position:relative;top:auto;display:grid;grid-template-columns:auto 1fr;column-gap:14px;align-items:baseline}
  .industry__head p:not(.industry__eyebrow){grid-column:1/-1}
  .industry__cards{grid-template-columns:1fr}
  .cases-band .lead,.case,.case__tag,.case p{min-width:0;overflow-wrap:anywhere}
  .l-split{grid-template-columns:1fr;gap:44px}
  .solution__media{display:block;max-width:min(100%,340px);order:-1}
  .solution__media img{aspect-ratio:5/4;object-position:center 42%}
  .flow{grid-template-columns:1fr}
  .flow__item{border-top:none;border-left:1px solid var(--line-2);padding:0 0 clamp(30px,5vw,40px) 22px}
  .flow__item::before{left:-4px;top:.4em}
  .flow__item:last-child{padding-bottom:0}

  /* フォーム: 16px未満のinputはiOSがフォーカス時に自動ズームするため16pxに。送信はSP共通の固定幅 */
  .contact-form__field input,.contact-form__field textarea{font-size:16px}
  .contact-form .btn{width:280px;max-width:100%}
}

@media(prefers-reduced-motion:reduce){
  .js-reveal,.js-reveal.is-visible{opacity:1;transform:none;transition:none}
  .hero__copy>*,.hero__scroll-cue{animation:none}
  .tile,.case,.flow .flow__item,.faq details{opacity:1;transform:none;transition:none}
  .btn,.btn::after,.faq__icon::before,.faq__icon::after{transition:none}
}