/* =========================================================
   リズモン 公式サイト  style.css
   ========================================================= */

:root{
  --pink:#FF6F91;
  --pink-d:#F14E76;
  --orange:#FFB35C;
  --teal:#2EC4B6;
  --purple:#6930C3;
  --yellow:#FFD166;
  --sky:#48CAE4;
  --cream:#FFF7EC;
  --ink:#3A2E39;
  --ink-soft:#6c6270;
  --white:#ffffff;
  --radius:26px;
  --shadow:0 18px 40px rgba(58,46,57,.10);
  --shadow-sm:0 8px 20px rgba(58,46,57,.08);
  --font-jp:"M PLUS Rounded 1c",system-ui,sans-serif;
  --font-en:"Baloo 2","M PLUS Rounded 1c",sans-serif;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:80px}
body{
  font-family:var(--font-jp);
  color:var(--ink);
  background:var(--cream);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
ul{list-style:none}

.container{width:min(1120px,92%);margin-inline:auto}

.section-eyebrow{
  font-family:var(--font-en);
  font-weight:700;
  letter-spacing:.12em;
  color:var(--pink);
  font-size:.85rem;
  margin-bottom:.4em;
}
.section-head{text-align:center;margin-bottom:3rem}
.section-title{
  font-size:clamp(1.6rem,4vw,2.4rem);
  font-weight:800;
  line-height:1.4;
}
.section-sub{
  margin-top:1rem;
  color:var(--ink-soft);
  font-size:1rem;
  max-width:640px;
  margin-inline:auto;
}

/* ===== Header ===== */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(255,247,236,.85);
  backdrop-filter:blur(12px);
  transition:box-shadow .3s,background .3s;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(58,46,57,.08);background:rgba(255,247,236,.95)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:flex;align-items:center;gap:.55rem;font-weight:800}
.logo-mark{display:grid;place-items:center;filter:drop-shadow(0 4px 8px rgba(255,111,145,.4))}
.logo-mark svg{animation:spin 12s linear infinite}
.logo-text{font-family:var(--font-en);font-size:1.5rem;letter-spacing:.02em;color:var(--pink-d)}

.nav{display:flex;align-items:center;gap:1.7rem}
.nav a{font-weight:700;font-size:.95rem;color:var(--ink);transition:color .2s;position:relative}
.nav a:not(.nav-cta):hover{color:var(--pink)}
.nav a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;bottom:-6px;height:3px;width:0;border-radius:3px;
  background:var(--pink);transition:width .25s;
}
.nav a:not(.nav-cta):hover::after{width:100%}
.nav-cta{
  background:var(--pink);color:#fff !important;padding:.55rem 1.3rem;border-radius:999px;
  box-shadow:0 8px 18px rgba(255,111,145,.35);transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,111,145,.45)}

.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{width:26px;height:3px;border-radius:3px;background:var(--ink);transition:.3s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* ===== Hero ===== */
.hero{position:relative;padding:clamp(3rem,7vw,6rem) 0 0;overflow:hidden;
  background:linear-gradient(160deg,#FFE7D6 0%,#FFD9E4 55%,#E7F4FF 100%);}
.hero-bg{position:absolute;inset:0;pointer-events:none}
.blob{position:absolute;border-radius:50%;filter:blur(6px);opacity:.5}
.blob-a{width:340px;height:340px;background:radial-gradient(circle,#FFB35C,transparent 70%);top:-80px;right:-60px}
.blob-b{width:300px;height:300px;background:radial-gradient(circle,#2EC4B6,transparent 70%);bottom:40px;left:-80px}
.note{position:absolute;font-size:2.4rem;color:#fff;opacity:.7;animation:float 5s ease-in-out infinite}
.note-1{top:18%;left:8%;color:var(--pink)}
.note-2{top:30%;right:12%;color:var(--teal);animation-delay:.8s;font-size:3rem}
.note-3{bottom:24%;left:16%;color:var(--orange);animation-delay:1.6s}
.note-4{top:12%;left:45%;color:var(--purple);animation-delay:1.2s;font-size:2rem}

.hero-inner{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:2rem;align-items:center;padding-bottom:5rem}
.hero-kicker{
  display:inline-block;font-weight:700;font-size:.9rem;color:var(--pink-d);
  background:#fff;padding:.4rem 1rem;border-radius:999px;box-shadow:var(--shadow-sm);margin-bottom:1.2rem;
}
.hero-title{font-size:clamp(1.9rem,5vw,3.2rem);font-weight:800;line-height:1.35;letter-spacing:.01em}
.hl{position:relative;white-space:nowrap;z-index:0}
.hl::after{content:"";position:absolute;left:-.05em;right:-.05em;bottom:.08em;height:.42em;z-index:-1;border-radius:.3em;opacity:.55}
.hl-pink::after{background:var(--pink)}
.hl-teal::after{background:var(--teal)}
.hero-lead{margin-top:1.4rem;font-size:1.02rem;color:var(--ink-soft);max-width:34em}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-top:2rem}
.hero-badge{margin-top:1.4rem;font-weight:700;font-size:.9rem;color:var(--ink)}

.btn{display:inline-flex;align-items:center;gap:.5rem;font-weight:800;font-size:1rem;
  padding:.9rem 1.6rem;border-radius:999px;transition:transform .2s,box-shadow .2s;cursor:pointer}
.btn-store{background:var(--ink);color:#fff;box-shadow:0 12px 26px rgba(58,46,57,.3)}
.btn-store:hover{transform:translateY(-3px);box-shadow:0 16px 32px rgba(58,46,57,.4)}
.btn-ghost{background:#fff;color:var(--ink);box-shadow:var(--shadow-sm)}
.btn-ghost:hover{transform:translateY(-3px);box-shadow:var(--shadow)}

/* Phone mockup */
.hero-visual{display:grid;place-items:center}
.phone{
  width:min(260px,72vw);aspect-ratio:9/18;background:#2c2434;border-radius:40px;
  padding:12px;box-shadow:0 30px 60px rgba(58,46,57,.35);position:relative;
  animation:floaty 6s ease-in-out infinite;
}
.phone::before{content:"";position:absolute;top:20px;left:50%;transform:translateX(-50%);
  width:56px;height:6px;border-radius:6px;background:#4a4152;z-index:3}
.phone-screen{position:relative;height:100%;border-radius:30px;overflow:hidden;
  background:linear-gradient(180deg,#FFF1D6,#FFC3A8);display:flex;flex-direction:column}
.game-sky{position:absolute;inset:0;background:
  radial-gradient(circle at 78% 18%,#FFE59E 0 42px,transparent 43px),
  radial-gradient(circle at 20% 14%,rgba(255,255,255,.7) 0 20px,transparent 21px)}
.game-title{position:relative;font-weight:800;color:#C24E2C;margin:34px 0 0;text-align:center;font-size:1rem}
.game-chars{position:relative;flex:1;display:grid;grid-template-columns:repeat(3,1fr);gap:6px;
  padding:16px 14px;align-content:center}
.chara{display:grid;place-items:center;width:100%;aspect-ratio:1;background:#fff;border-radius:18px;
  font-size:1.5rem;box-shadow:0 6px 12px rgba(0,0,0,.12);animation:bounce 1.1s ease-in-out infinite;animation-delay:var(--d)}
.game-gauge{position:relative;height:8px;margin:0 16px 8px;background:rgba(255,255,255,.6);border-radius:8px;overflow:hidden}
.game-gauge span{position:absolute;inset:0 auto 0 0;width:40%;background:var(--pink);border-radius:8px;animation:gauge 2s linear infinite}
.game-palette{position:relative;display:flex;justify-content:center;gap:8px;padding:0 0 20px}
.game-palette i{width:22px;height:22px;border-radius:50%;background:var(--c);box-shadow:0 4px 8px rgba(0,0,0,.15)}

.wave-divider{position:absolute;left:0;right:0;bottom:-1px;line-height:0}
.wave-divider svg{width:100%;height:70px}

/* ===== Message ===== */
.message{background:#fff;padding:clamp(3.5rem,7vw,6rem) 0;text-align:center}
.message-title{font-size:clamp(1.6rem,4.5vw,2.6rem);font-weight:800;line-height:1.5;margin-bottom:1.4rem}
.message-body{max-width:680px;margin-inline:auto;color:var(--ink-soft);font-size:1.05rem}

/* ===== Features ===== */
.features{padding:clamp(3.5rem,7vw,6rem) 0;background:var(--cream)}
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.feature-card{background:#fff;border-radius:var(--radius);padding:2.2rem 1.8rem;box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s;border:2px solid transparent}
.feature-card:hover{transform:translateY(-8px);box-shadow:var(--shadow);border-color:#ffe1e9}
.feature-icon{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;color:#fff;
  background:var(--fc);margin-bottom:1.2rem;box-shadow:0 10px 20px color-mix(in srgb,var(--fc) 45%,transparent)}
.feature-card h3{font-size:1.25rem;font-weight:800;margin-bottom:.6rem}
.feature-card p{color:var(--ink-soft);font-size:.98rem}

/* ===== Stages ===== */
.stages{padding:clamp(3.5rem,7vw,6rem) 0;background:#fff}
.stage-list{display:flex;flex-wrap:wrap;justify-content:center;gap:.9rem;margin-bottom:3rem}
.stage-chip{
  font-weight:800;color:#fff;padding:.7rem 1.3rem;border-radius:999px;
  background:linear-gradient(120deg,var(--g1),var(--g2));
  box-shadow:0 8px 18px color-mix(in srgb,var(--g2) 40%,transparent);
  transition:transform .2s;cursor:default;
}
.stage-chip:hover{transform:translateY(-4px) rotate(-2deg)}
.stage-counts{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;max-width:760px;margin-inline:auto}
.count{background:var(--cream);border-radius:20px;padding:1.4rem .5rem;text-align:center}
.count b{display:block;font-family:var(--font-en);font-size:2.2rem;color:var(--pink);line-height:1}
.count span{font-size:.85rem;color:var(--ink-soft);font-weight:700}

/* ===== Safety ===== */
.safety{padding:clamp(3.5rem,7vw,6rem) 0;background:linear-gradient(160deg,#E7F4FF,#EAFBF6)}
.safety-inner{display:grid;grid-template-columns:1.3fr .7fr;gap:2.5rem;align-items:center}
.safety .section-head{text-align:left}
.safety .section-title,.safety .section-eyebrow{text-align:left}
.safety .section-sub{margin-inline:0}
.safety-list{margin-top:1.6rem;display:grid;gap:.8rem}
.safety-list li{display:flex;align-items:center;gap:.7rem;font-weight:700;background:#fff;
  padding:.8rem 1.1rem;border-radius:16px;box-shadow:var(--shadow-sm)}
.check{display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:var(--teal);color:#fff;font-size:.8rem;flex:none}
.safety-card{background:#fff;border-radius:var(--radius);padding:2.6rem 1.5rem;text-align:center;box-shadow:var(--shadow)}
.shield{font-size:4rem;animation:floaty 5s ease-in-out infinite}
.shield-label{font-weight:800;font-size:1.2rem;margin-top:.6rem}
.shield-sub{color:var(--ink-soft);font-size:.9rem}

/* ===== Download ===== */
.download{padding:clamp(3.5rem,7vw,6rem) 0}
.download-inner{background:linear-gradient(130deg,var(--pink),var(--orange));border-radius:36px;
  padding:clamp(2.5rem,6vw,4.5rem) 1.5rem;text-align:center;color:#fff;box-shadow:0 24px 50px rgba(255,111,145,.35);position:relative;overflow:hidden}
.download-inner::before,.download-inner::after{content:"";position:absolute;border-radius:50%;background:rgba(255,255,255,.15)}
.download-inner::before{width:200px;height:200px;top:-60px;left:-40px}
.download-inner::after{width:160px;height:160px;bottom:-50px;right:-30px}
.download-title{position:relative;font-size:clamp(1.6rem,4.5vw,2.4rem);font-weight:800;margin-bottom:.6rem}
.download-sub{position:relative;opacity:.95;margin-bottom:1.8rem}
.store-buttons{position:relative;display:flex;justify-content:center;gap:1rem;flex-wrap:wrap}
.store-btn{display:inline-flex;align-items:center;gap:.7rem;background:var(--ink);color:#fff;
  padding:.8rem 1.6rem;border-radius:16px;font-weight:700;transition:transform .2s,box-shadow .2s;box-shadow:0 10px 24px rgba(0,0,0,.25)}
.store-btn:hover{transform:translateY(-3px);box-shadow:0 14px 30px rgba(0,0,0,.35)}
.store-btn span{display:flex;flex-direction:column;line-height:1.1;text-align:left;font-family:var(--font-en);font-size:1.15rem}
.store-btn small{font-size:.65rem;font-weight:500;opacity:.8;font-family:var(--font-jp)}
.download-note{position:relative;margin-top:1.6rem;font-size:.9rem;opacity:.95}
.download-note a{text-decoration:underline;font-weight:700}

/* ===== News ===== */
.news{padding:clamp(3.5rem,7vw,6rem) 0;background:#fff}
.news-list{max-width:720px;margin-inline:auto;display:grid;gap:1rem}
.news-item{display:flex;align-items:center;gap:1rem;flex-wrap:wrap;background:var(--cream);
  padding:1.1rem 1.4rem;border-radius:18px;transition:transform .2s}
.news-item:hover{transform:translateX(4px)}
.news-item time{font-family:var(--font-en);font-weight:700;color:var(--ink-soft);font-size:.9rem;min-width:96px}
.news-tag{background:var(--sky);color:#fff;font-size:.75rem;font-weight:800;padding:.2rem .7rem;border-radius:999px}
.news-tag.tag-release{background:var(--pink)}
.news-item p{flex:1;min-width:180px;font-weight:500}

/* ===== Footer ===== */
.site-footer{background:var(--ink);color:#fff;padding-top:3rem}
.footer-inner{display:flex;justify-content:space-between;gap:2rem;flex-wrap:wrap;padding-bottom:2.5rem}
.footer-brand .logo-text{color:#fff}
.footer-brand p{color:rgba(255,255,255,.7);font-size:.9rem;margin-top:.4rem}
.footer-nav{display:flex;flex-wrap:wrap;gap:1.2rem;align-content:flex-start}
.footer-nav a{color:rgba(255,255,255,.85);font-weight:700;font-size:.92rem;transition:color .2s}
.footer-nav a:hover{color:var(--orange)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.2rem 0}
.footer-bottom p{color:rgba(255,255,255,.6);font-size:.82rem;text-align:center;font-family:var(--font-en)}

/* ===== Contact / Support ===== */
.contact-page{padding:clamp(2.5rem,6vw,4.5rem) 0 5rem;background:var(--cream);min-height:60vh}
.contact-wrap{max-width:720px}
.form-card{background:#fff;border-radius:var(--radius);padding:clamp(1.6rem,4vw,2.8rem);box-shadow:var(--shadow);margin-top:2rem}
.field{margin-bottom:1.4rem}
.field label{display:block;font-weight:800;margin-bottom:.5rem;font-size:.98rem}
.req{display:inline-block;background:var(--pink);color:#fff;font-size:.68rem;font-weight:800;
  padding:.12rem .5rem;border-radius:999px;vertical-align:middle;margin-left:.4rem}
.field input,.field select,.field textarea{
  width:100%;font-family:var(--font-jp);font-size:1rem;color:var(--ink);
  padding:.85rem 1rem;border:2px solid #ece3ea;border-radius:14px;background:#fffdfb;
  transition:border-color .2s,box-shadow .2s;
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--pink);box-shadow:0 0 0 4px rgba(255,111,145,.15);
}
.field textarea{resize:vertical;min-height:140px;line-height:1.7}
.field .has-error{border-color:var(--pink-d);background:#fff5f7}
.err{color:var(--pink-d);font-size:.85rem;font-weight:700;margin-top:.4rem}
.form-privacy{font-size:.85rem;color:var(--ink-soft);margin:.5rem 0 1.5rem}
.form-privacy a{color:var(--pink);font-weight:700;text-decoration:underline}
.form-actions{text-align:center}
.form-actions .btn{width:100%;justify-content:center;max-width:340px}
.form-alert{background:#fff5f7;border:2px solid #ffd3de;color:var(--pink-d);font-weight:700;
  padding:1rem 1.2rem;border-radius:14px;margin-top:1.5rem}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}

.form-done{text-align:center}
.form-done .done-icon{font-size:3.5rem;animation:floaty 4s ease-in-out infinite}
.form-done h2{font-size:1.5rem;font-weight:800;margin:.6rem 0}
.form-done p{color:var(--ink-soft);margin-bottom:1.8rem}

.contact-info{margin-top:2rem;padding:1.6rem 1.8rem;background:#fff;border-radius:var(--radius);box-shadow:var(--shadow-sm)}
.contact-info h2{font-size:1.05rem;font-weight:800;margin-bottom:.5rem;color:var(--pink-d)}
.contact-info p{color:var(--ink-soft);font-size:.95rem;line-height:1.9}
.contact-info a{color:var(--pink);font-weight:700;text-decoration:underline}

/* ===== Reveal animation ===== */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}

/* ===== Keyframes ===== */
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
@keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes bounce{0%,100%{transform:translateY(0)}50%{transform:translateY(-6px)}}
@keyframes gauge{0%{width:8%}80%{width:96%}100%{width:8%}}

/* ===== Responsive ===== */
@media(max-width:860px){
  .nav{position:fixed;inset:72px 0 auto;flex-direction:column;background:var(--cream);
    padding:1.5rem 2rem 2rem;gap:1.2rem;transform:translateY(-120%);transition:transform .35s;
    box-shadow:0 20px 30px rgba(0,0,0,.1);align-items:stretch}
  .nav.open{transform:translateY(0)}
  .nav a{font-size:1.05rem}
  .nav-cta{text-align:center}
  .nav-toggle{display:flex}
  .hero-inner{grid-template-columns:1fr;text-align:center;padding-bottom:4rem}
  .hero-lead{margin-inline:auto}
  .hero-actions{justify-content:center}
  .hero-visual{order:-1;margin-bottom:1rem}
  .feature-grid{grid-template-columns:1fr}
  .safety-inner{grid-template-columns:1fr}
  .stage-counts{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:480px){
  .stage-counts{grid-template-columns:repeat(2,1fr)}
  .note{display:none}
}

/* ===== Reduce motion ===== */
@media(prefers-reduced-motion:reduce){
  *{animation:none !important;scroll-behavior:auto}
  .reveal{opacity:1;transform:none}
}