/* ===== リノベ ミライ — AIチャットボット デモ ===== */
:root{
  --ink:#2b2420; --ink2:#3a322c; --green:#1f6f5c; --green-d:#175647; --terra:#e0894e; --terra-d:#c9713a;
  --cream:#f7f2e9; --cream2:#efe6d7; --paper:#fffdf9; --line:#e4dccc; --gray:#6c6258;
  --bot:#5468f2; --bot2:#8258f0;
  --sans:"Noto Sans JP",sans-serif; --eng:"Poppins",sans-serif; --wrap:1140px; --ease:cubic-bezier(.16,1,.3,1);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--sans);color:var(--ink);background:var(--paper);line-height:1.85;font-weight:500;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}a{color:inherit;text-decoration:none}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}.sp-br{display:none}

.ey{margin-bottom:14px}.ey--c{text-align:center}
.ey__en{font-family:var(--eng);font-weight:700;font-size:.76rem;letter-spacing:.22em;color:var(--terra);position:relative;padding-bottom:10px;display:inline-block}
.ey__en::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:26px;height:2px;background:var(--terra)}
.ey--w .ey__en{color:#ffd7a8}
.ttl{font-size:clamp(1.8rem,4vw,2.7rem);font-weight:900;line-height:1.34;color:var(--green)}
.ttl--c{text-align:center}.ttl--w{color:#fff}
.lead{color:var(--gray);font-size:1.02rem;margin-top:18px}.lead--w{color:rgba(255,255,255,.9)}

.btn{display:inline-flex;align-items:center;gap:.5em;font-weight:700;font-size:1rem;padding:15px 32px;border-radius:100px;border:0;cursor:pointer;font-family:var(--sans);transition:.35s var(--ease)}
.btn i{font-style:normal;transition:.3s}
.btn--main{background:var(--terra);color:#fff;box-shadow:0 12px 28px -10px rgba(224,137,78,.6)}
.btn--main:hover{background:var(--terra-d);transform:translateY(-2px)}.btn--main:hover i{transform:translateX(4px)}
.btn--ghost{background:transparent;border:2px solid rgba(255,255,255,.7);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--green)}
.btn--lg{padding:18px 44px;font-size:1.06rem}

.progress{position:fixed;top:0;left:0;height:3px;width:var(--sp,0);background:linear-gradient(90deg,var(--green),var(--terra));z-index:300}
.hd{position:fixed;top:0;left:0;width:100%;z-index:200;transition:.35s var(--ease)}
.hd__in{max-width:1260px;margin:0 auto;padding:18px 30px;display:flex;align-items:center;justify-content:space-between;transition:.35s var(--ease)}
.hd.shrink{background:rgba(255,253,249,.94);backdrop-filter:blur(10px);box-shadow:0 4px 22px -14px rgba(43,36,32,.5)}
.hd.shrink .hd__in{padding:11px 30px}
.logo{color:#fff;line-height:1}
.logo b{font-family:var(--eng);font-weight:800;font-size:1.4rem;letter-spacing:.02em}
.logo b i{font-style:normal;color:#ffd7a8}
.logo span{display:block;font-family:var(--eng);font-size:.56rem;letter-spacing:.24em;opacity:.85;margin-top:2px}
.hd.shrink .logo{color:var(--green)}.hd.shrink .logo b i{color:var(--terra)}
.nav{display:flex;align-items:center;gap:26px}
.nav>a{font-weight:700;font-size:.9rem;color:#fff;position:relative;padding:4px 0}
.nav>a:not(.nav__cta)::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--terra);transition:.3s var(--ease)}
.nav>a:not(.nav__cta):hover::after{width:100%}
.hd.shrink .nav>a{color:var(--green)}
.nav__cta{background:var(--terra);color:#fff!important;padding:10px 20px;border-radius:100px;font-weight:800;cursor:pointer}
.nav__cta:hover{transform:translateY(-2px)}
.bg{display:none;flex-direction:column;gap:6px;width:42px;height:42px;justify-content:center;align-items:center;background:none;border:0;cursor:pointer}
.bg span{width:24px;height:2.5px;background:#fff;border-radius:2px;transition:.3s}
.hd.shrink .bg span{background:var(--green)}

/* HERO */
.hero{position:relative;min-height:96svh;display:flex;flex-direction:column;justify-content:center;padding:110px 0 40px;overflow:hidden;background:var(--ink)}
.hero__bg{position:absolute;inset:-6% 0;z-index:0;will-change:transform}
.hero__bg img{width:100%;height:112%;object-fit:cover}
.hero__scrim{position:absolute;inset:0;z-index:1;background:linear-gradient(95deg,rgba(30,26,22,.82),rgba(30,26,22,.35) 60%,rgba(30,26,22,.5))}
.hero__in{position:relative;z-index:3;max-width:var(--wrap);margin:0 auto;padding:0 30px;width:100%}
.hero__eng{display:flex;align-items:center;gap:14px;font-family:var(--eng);font-weight:700;letter-spacing:.2em;color:rgba(255,255,255,.85);font-size:.82rem;opacity:0;animation:fade 1s var(--ease) .2s forwards}
.hero__pin{background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;padding:5px 14px;border-radius:100px;font-family:var(--sans);letter-spacing:.02em;font-size:.78rem;box-shadow:0 6px 18px -6px rgba(84,104,242,.7)}
.hero__catch{color:#fff;font-weight:900;font-size:clamp(2.4rem,6.4vw,4.6rem);line-height:1.18;margin:16px 0 20px;text-shadow:0 4px 30px rgba(0,0,0,.35);opacity:0;transform:translateY(20px);animation:rise 1s var(--ease) .4s forwards}
.hero__lead{color:rgba(255,255,255,.94);font-size:clamp(1rem,1.6vw,1.16rem);line-height:1.9;text-shadow:0 2px 16px rgba(0,0,0,.35);opacity:0;transform:translateY(16px);animation:rise .9s var(--ease) .7s forwards}
.hero__lead b{color:#ffd7a8;font-weight:700}
.hero__btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px;opacity:0;transform:translateY(16px);animation:rise .9s var(--ease) .95s forwards}
.hero__hint{position:relative;z-index:3;margin:34px auto 0;max-width:var(--wrap);padding:0 30px;color:rgba(255,255,255,.85);font-size:.9rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:8px;width:fit-content;opacity:0;animation:fade 1s var(--ease) 1.3s forwards}
.hero__hint span{animation:bob 1.6s ease-in-out infinite;display:inline-block}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}

/* WHY */
.why{padding:110px 0;background:var(--cream)}
.why__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
.wcard{background:var(--paper);border:1px solid var(--line);border-radius:20px;padding:38px 30px;text-align:center;transition:.4s var(--ease)}
.wcard:hover{transform:translateY(-8px);box-shadow:0 30px 56px -34px rgba(31,111,92,.5)}
.wcard__ic{font-size:2.6rem;display:block;margin-bottom:16px}
.wcard h3{font-size:1.28rem;font-weight:900;color:var(--green);margin-bottom:10px}
.wcard p{color:var(--gray);font-size:.94rem}

/* MENU */
.menu{padding:110px 0}
.menu__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:50px}
.mcard{border:1px solid var(--line);border-radius:18px;padding:32px 24px;text-align:center;transition:.4s var(--ease)}
.mcard:hover{border-color:var(--terra);transform:translateY(-6px);box-shadow:0 26px 50px -34px rgba(224,137,78,.5)}
.mcard__ic{font-size:2.2rem;display:block;margin-bottom:12px}
.mcard h3{font-size:1.18rem;font-weight:900;color:var(--green)}
.mcard p{color:var(--gray);font-size:.86rem;margin:6px 0 14px}
.mcard__p{font-family:var(--eng);font-weight:700;color:var(--terra);font-size:1.2rem}

/* WORKS */
.works{padding:110px 0;background:var(--cream2)}
.works__grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;margin-top:50px}
.ba{background:var(--paper);border-radius:18px;overflow:hidden;box-shadow:0 22px 46px -34px rgba(43,36,32,.5);transition:.4s var(--ease)}
.ba:hover{transform:translateY(-8px)}
.ba__img{position:relative;aspect-ratio:4/3;overflow:hidden}
.ba__img img{width:100%;height:100%;object-fit:cover;transition:.8s var(--ease)}
.ba:hover .ba__img img{transform:scale(1.06)}
.ba__tag{position:absolute;top:14px;left:14px;background:var(--green);color:#fff;font-size:.74rem;font-weight:700;padding:5px 14px;border-radius:100px}
.ba__b{padding:22px 22px 24px}
.ba__b h3{font-size:1.18rem;font-weight:900;color:var(--green)}
.ba__b p{color:var(--gray);font-size:.86rem;margin-top:6px}

/* AI section */
.ai{position:relative;padding:120px 0;background:linear-gradient(140deg,#20304f,#2b2440);overflow:hidden;color:#fff}
.ai__glow{position:absolute;width:60vw;height:60vw;max-width:700px;max-height:700px;border-radius:50%;background:radial-gradient(circle,rgba(84,104,242,.4),transparent 66%);top:-15%;right:-10%;filter:blur(30px)}
.ai__in{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.ai__pts{list-style:none;margin:24px 0 30px;display:flex;flex-direction:column;gap:11px}
.ai__pts li{position:relative;padding-left:32px;color:rgba(255,255,255,.9);font-weight:500}
.ai__pts li::before{content:"✓";position:absolute;left:0;top:-1px;width:22px;height:22px;border-radius:50%;background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;font-size:.78rem;display:flex;align-items:center;justify-content:center}
.ai__demo{display:flex;justify-content:center}
.ai__phone{width:min(320px,86%);background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:26px;padding:22px 18px;display:flex;flex-direction:column;gap:12px;backdrop-filter:blur(6px)}
.ai__pbubble{max-width:82%;padding:12px 16px;border-radius:16px;font-size:.92rem;line-height:1.6;animation:rise .6s var(--ease) both}
.ai__pbubble--bot{background:#fff;color:var(--ink);border-bottom-left-radius:5px;align-self:flex-start}
.ai__pbubble--me{background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.ai__pbubble--me{animation-delay:.5s}.ai__phone .ai__pbubble:nth-child(3){animation-delay:1s}

/* FLOW */
.flow{padding:110px 0}
.flow__grid{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:50px}
.fstep{background:var(--cream);border:1px solid var(--line);border-radius:18px;padding:34px 26px;text-align:center}
.fstep__no{display:inline-flex;align-items:center;justify-content:center;width:54px;height:54px;border-radius:50%;background:var(--green);color:#fff;font-family:var(--eng);font-weight:800;font-size:1.4rem;margin-bottom:16px}
.fstep h3{font-size:1.2rem;font-weight:900;color:var(--green);margin-bottom:8px}
.fstep p{color:var(--gray);font-size:.9rem}

/* CTA */
.cta{padding:110px 0;background:linear-gradient(140deg,var(--green),var(--green-d));text-align:center;color:#fff}
.cta__ttl{font-size:clamp(1.8rem,4.4vw,2.8rem);font-weight:900;line-height:1.4}
.cta__lead{color:rgba(255,255,255,.85);margin:18px 0 34px}

/* FOOTER */
.ft{background:var(--ink);color:#fff;padding:60px 0 28px}
.ft__in{display:flex;justify-content:space-between;gap:40px;flex-wrap:wrap;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14)}
.logo--f{color:#fff}
.ft__msg{color:rgba(255,255,255,.7);font-size:.92rem;margin-top:14px}
.ft__nav{display:grid;grid-template-columns:1fr 1fr;gap:12px 36px}
.ft__nav a{color:rgba(255,255,255,.75);font-size:.9rem;transition:.25s}.ft__nav a:hover{color:#ffd7a8}
.ft__cp{text-align:center;color:rgba(255,255,255,.42);font-size:.75rem;margin-top:24px}

/* ============ AI CHATBOT WIDGET ============ */
.cbot__launch{position:fixed;right:22px;bottom:22px;z-index:250;display:inline-flex;align-items:center;gap:9px;background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;border:0;border-radius:100px;padding:13px 20px 13px 14px;cursor:pointer;box-shadow:0 16px 34px -10px rgba(84,104,242,.7);transition:.3s var(--ease)}
.cbot__launch:hover{transform:translateY(-3px)}
.cbot__lava{width:32px;height:32px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.2);border-radius:50%}
.cbot__lava svg{width:20px;height:20px}
.cbot__ltxt{font-weight:800;font-size:.94rem;letter-spacing:.02em}
.cbot__lbadge{position:absolute;top:-4px;right:-2px;min-width:20px;height:20px;padding:0 5px;background:#ff5c5c;color:#fff;border-radius:100px;font-size:.72rem;font-weight:800;display:flex;align-items:center;justify-content:center;box-shadow:0 0 0 2px #fff}
.cbot__launch.hide{opacity:0;pointer-events:none;transform:scale(.8)}

.cbot{position:fixed;right:22px;bottom:22px;z-index:260;width:min(380px,calc(100vw - 32px));height:min(600px,calc(100vh - 44px));background:var(--paper);border-radius:22px;box-shadow:0 40px 90px -24px rgba(20,20,40,.5);display:flex;flex-direction:column;overflow:hidden;transform-origin:bottom right;animation:cbotin .35s var(--ease)}
.cbot[hidden]{display:none}
@keyframes cbotin{from{opacity:0;transform:translateY(20px) scale(.96)}to{opacity:1;transform:none}}
.cbot__head{display:flex;align-items:center;gap:12px;padding:16px 16px;background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff}
.cbot__ava{width:40px;height:40px;border-radius:50%;background:rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.cbot__ava svg{width:24px;height:24px}
.cbot__ident{flex:1;line-height:1.3}
.cbot__ident b{font-size:1.02rem;font-weight:800}
.cbot__ident span{display:flex;align-items:center;gap:6px;font-size:.74rem;opacity:.9}
.cbot__dot{width:7px;height:7px;border-radius:50%;background:#4ade80;box-shadow:0 0 0 0 rgba(74,222,128,.6);animation:pulse 2s infinite}
@keyframes pulse{0%,100%{box-shadow:0 0 0 0 rgba(74,222,128,.6)}70%{box-shadow:0 0 0 7px rgba(74,222,128,0)}}
.cbot__close{width:34px;height:34px;border:0;background:rgba(255,255,255,.15);color:#fff;border-radius:50%;font-size:1.3rem;line-height:1;cursor:pointer;transition:.25s}
.cbot__close:hover{background:rgba(255,255,255,.28)}
.cbot__body{flex:1;overflow-y:auto;padding:18px 16px 8px;display:flex;flex-direction:column;gap:12px;background:var(--cream)}
.cmsg{max-width:82%;padding:11px 15px;border-radius:16px;font-size:.92rem;line-height:1.65;white-space:pre-wrap;animation:rise .35s var(--ease)}
.cmsg--bot{background:#fff;color:var(--ink);border-bottom-left-radius:5px;align-self:flex-start;box-shadow:0 4px 14px -8px rgba(0,0,0,.25)}
.cmsg--me{background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;border-bottom-right-radius:5px;align-self:flex-end}
.cmsg--bot a,.cmsg__btn{display:inline-block;margin-top:8px;background:var(--green);color:#fff;font-weight:700;font-size:.85rem;padding:8px 16px;border-radius:100px;border:0;cursor:pointer;text-decoration:none}
.cmsg__btn:hover,.cmsg--bot a:hover{background:var(--green-d)}
.ctyping{align-self:flex-start;background:#fff;border-radius:16px;border-bottom-left-radius:5px;padding:14px 16px;box-shadow:0 4px 14px -8px rgba(0,0,0,.25);display:flex;gap:5px}
.ctyping span{width:7px;height:7px;border-radius:50%;background:#bbb;animation:tdot 1.2s infinite}
.ctyping span:nth-child(2){animation-delay:.2s}.ctyping span:nth-child(3){animation-delay:.4s}
@keyframes tdot{0%,60%,100%{transform:translateY(0);opacity:.4}30%{transform:translateY(-5px);opacity:1}}
.cbot__quick{display:flex;gap:8px;flex-wrap:wrap;padding:10px 14px 4px;background:var(--cream)}
.cchip{background:#fff;border:1.5px solid var(--line);color:var(--green);font-weight:700;font-size:.82rem;padding:8px 14px;border-radius:100px;cursor:pointer;transition:.25s}
.cchip:hover{background:var(--green);color:#fff;border-color:var(--green)}
.cbot__input{display:flex;gap:8px;padding:12px 14px 14px;background:var(--paper);border-top:1px solid var(--line)}
.cbot__input input{flex:1;border:1.5px solid var(--line);border-radius:100px;padding:11px 18px;font-family:inherit;font-size:.94rem;outline:none;transition:.25s}
.cbot__input input:focus{border-color:var(--bot)}
.cbot__input button{width:46px;height:46px;flex-shrink:0;border:0;border-radius:50%;background:linear-gradient(120deg,var(--bot),var(--bot2));color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.25s}
.cbot__input button svg{width:22px;height:22px}
.cbot__input button:hover{filter:brightness(1.08)}
.cbot__note{font-size:.68rem;color:var(--gray);text-align:center;padding:2px 14px 10px;background:var(--paper)}

/* reveal */
[data-reveal]{opacity:0;transform:translateY(36px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal="left"]{transform:translateX(-40px)}[data-reveal="right"]{transform:translateX(40px)}
@keyframes fade{to{opacity:1}}@keyframes rise{to{opacity:1;transform:none}}

/* RESPONSIVE */
@media(max-width:920px){
  .nav{position:fixed;inset:0 0 0 auto;width:min(80vw,320px);height:100vh;flex-direction:column;justify-content:center;gap:24px;background:var(--green);transform:translateX(100%);transition:.45s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.35)}
  .nav.on{transform:none}.nav>a{color:#fff!important;font-size:1.05rem}
  .bg{display:flex}.bg.on span{background:#fff!important}
  .bg.on span:nth-child(1){transform:translateY(8.5px) rotate(45deg)}.bg.on span:nth-child(2){opacity:0}.bg.on span:nth-child(3){transform:translateY(-8.5px) rotate(-45deg)}
  .why__grid,.flow__grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
  .menu__grid{grid-template-columns:1fr 1fr}
  .works__grid{grid-template-columns:1fr;max-width:420px;margin-left:auto;margin-right:auto}
  .ai__in{grid-template-columns:1fr;gap:40px}
}
@media(max-width:600px){
  .wrap{padding:0 20px}.sp-br{display:inline}
  .why,.menu,.works,.ai,.flow,.cta{padding:76px 0}
  .menu__grid{grid-template-columns:1fr 1fr;gap:14px}
  .btn{width:100%;justify-content:center}.hero__btns{width:100%}
  .cbot{right:0;bottom:0;width:100vw;height:100dvh;border-radius:0}
  .cbot__launch{right:16px;bottom:16px}
}
@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}[data-reveal]{opacity:1!important;transform:none!important}.hero__eng,.hero__catch,.hero__lead,.hero__btns,.hero__hint{opacity:1!important;transform:none!important}}

:focus-visible{outline:2px solid var(--bot);outline-offset:2px;border-radius:3px}