:root{
  --bg:#08111e;--panel:rgba(13,20,31,.95);--panel-soft:#111b2a;--text:#f8fafc;
  --muted:#aab4c0;--line:rgba(255,255,255,.12);--accent:#ff7f1f;--accent2:#ffbb71;
  --success:#55df8d;--danger:#ff5757;--max:920px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP",sans-serif;color-scheme:dark;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;min-width:320px;color:var(--text);background:radial-gradient(circle at 50% -10%,rgba(255,127,31,.18),transparent 36rem),linear-gradient(180deg,#0d1521,var(--bg) 58%);line-height:1.6}
a{color:inherit}
button{font:inherit;cursor:pointer}
button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #ffd199;outline-offset:3px}
.skip-link{position:fixed;z-index:200;left:12px;top:12px;padding:10px 14px;border-radius:10px;background:#fff;color:#111;transform:translateY(-180%)}
.skip-link:focus{transform:none}
.flash{position:fixed;inset:0;z-index:100;background:#fff;opacity:0;pointer-events:none}.flash.is-active{animation:flash .22s ease-out}@keyframes flash{0%{opacity:.98}100%{opacity:0}}
.site-header{width:min(1120px,calc(100% - 32px));margin:auto;padding:18px 0;display:flex;justify-content:space-between;align-items:center;gap:16px}
.brand{display:flex;gap:10px;align-items:center;color:inherit;text-decoration:none}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;color:var(--accent);border:2px solid var(--accent);box-shadow:0 0 0 6px rgba(255,127,31,.12)}.brand strong,.brand small{display:block}.brand strong{font-size:15px}.brand small{font-size:11px;color:var(--muted);margin-top:2px}
.header-actions{display:flex;align-items:center;gap:8px}.home-link,.language-link{display:inline-flex;align-items:center;justify-content:center;min-height:42px;padding:0 13px;border-radius:13px;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);text-decoration:none;font-size:12px;font-weight:800}.home-link{color:var(--muted)}
.hero{width:min(820px,calc(100% - 28px));margin:34px auto 0;text-align:center}.eyebrow,.section-label{margin:0 0 14px;color:var(--accent2);font-size:12px;font-weight:800;letter-spacing:.13em;text-transform:uppercase}h1{margin:0;font-size:clamp(36px,8vw,66px);line-height:1.12;letter-spacing:-.045em}.lead{max-width:680px;margin:18px auto 30px;color:var(--muted);line-height:1.85;font-size:15px}
.app-card{overflow:hidden;border:1px solid var(--line);border-radius:30px;background:var(--panel);box-shadow:0 28px 64px rgba(0,0,0,.38)}.mode-switch{display:grid;grid-template-columns:1fr 1fr;padding:8px;gap:8px;border-bottom:1px solid var(--line)}.mode-tab{border:0;border-radius:18px;padding:13px 12px;background:transparent;color:var(--muted)}.mode-tab span,.mode-tab small{display:block}.mode-tab span{font-weight:800}.mode-tab small{font-size:11px;margin-top:3px}.mode-tab.is-active{background:#fff;color:#17191d}.stage{min-height:610px;padding:30px 24px 26px;display:flex;flex-direction:column;align-items:center;background:linear-gradient(rgba(255,255,255,.04) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.04) 1px,transparent 1px);background-size:32px 32px}.status-pill{display:flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:rgba(0,0,0,.25);border:1px solid var(--line);color:var(--muted);font-size:12px;font-weight:700}.status-dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 5px rgba(85,223,141,.1)}.status-pill.waiting .status-dot{background:var(--accent)}.status-pill.fired .status-dot{background:var(--danger)}.primary-area,.pistol-wrap{width:100%;flex:1;display:grid;place-items:center}.primary-button{width:min(300px,78vw);aspect-ratio:1;border-radius:50%;border:8px solid rgba(255,255,255,.08);background:radial-gradient(circle at 34% 26%,#ffca86,#ff9d42 25%,var(--accent) 56%,#d55b05);color:white;box-shadow:0 22px 48px rgba(255,127,31,.3),inset 0 5px 0 rgba(255,255,255,.3);cursor:pointer}.primary-button span,.primary-button small{display:block}.primary-button span{font-size:clamp(24px,6vw,39px);font-weight:900}.primary-button small{margin-top:9px;font-size:13px}.pistol-button{width:min(430px,100%);border:0;background:transparent;color:var(--text);cursor:pointer}.photo-shell{position:relative;width:min(380px,84vw);margin:auto;border-radius:30px;overflow:visible;transform-origin:54% 86%;filter:drop-shadow(0 24px 54px rgba(0,0,0,.34));will-change:transform}.photo-shell img{display:block;width:100%;height:auto;border-radius:26px;will-change:transform}.pistol-button.is-fired .photo-shell{animation:starterRecoilV10 .48s cubic-bezier(.18,.89,.32,1.35)}.pistol-button.is-fired .photo-shell img{animation:starterImageShakeV10 .42s ease-out}.muzzle-flash,.smoke-ring,.smoke-burst{position:absolute;pointer-events:none;opacity:0}.muzzle-flash{left:31%;top:2%;width:74px;height:74px;background:radial-gradient(circle,rgba(255,246,199,.98) 0,rgba(255,219,133,.95) 26%,rgba(255,180,40,.62) 54%,rgba(255,180,40,0) 72%);filter:blur(1px)}.smoke-ring{left:25%;top:-1%;width:110px;height:110px;border-radius:50%;border:14px solid rgba(255,255,255,.75);filter:blur(6px)}.smoke-burst{background:radial-gradient(circle,rgba(255,255,255,.98) 0,rgba(255,255,255,.76) 34%,rgba(255,255,255,.18) 64%,transparent 100%);filter:blur(2.5px);mix-blend-mode:screen;border-radius:50%}.burst-1{left:30%;top:0;width:62px;height:62px}.burst-2{left:24%;top:-1%;width:92px;height:92px}.burst-3{left:20%;top:2%;width:72px;height:72px}.burst-4{left:35%;top:-5%;width:84px;height:84px}.burst-5{left:28%;top:-8%;width:124px;height:124px;filter:blur(6px)}.is-fired .muzzle-flash{animation:flashBurst .2s ease-out}.is-fired .smoke-ring{animation:ringBurst .45s ease-out}.is-fired .burst-1{animation:smoke1 1s ease-out}.is-fired .burst-2{animation:smoke2 1.15s ease-out}.is-fired .burst-3{animation:smoke3 1.1s ease-out}.is-fired .burst-4{animation:smoke4 1s ease-out}.is-fired .burst-5{animation:smoke5 1.18s ease-out}@keyframes starterRecoilV10{0%{transform:rotate(0) translate(0,0) scale(1)}14%{transform:rotate(-10deg) translate(-3px,-18px) scale(1.015)}32%{transform:rotate(5deg) translate(4px,7px) scale(.998)}52%{transform:rotate(-3deg) translate(-2px,-5px) scale(1.006)}72%{transform:rotate(1.5deg) translate(1px,2px) scale(1)}100%{transform:rotate(0) translate(0,0) scale(1)}}@keyframes starterImageShakeV10{0%,100%{transform:translate(0,0)}18%{transform:translate(-4px,-2px)}34%{transform:translate(4px,2px)}50%{transform:translate(-3px,0)}66%{transform:translate(2px,1px)}82%{transform:translate(-1px,0)}}@keyframes flashBurst{0%{opacity:0;transform:scale(.2)}25%{opacity:1;transform:scale(1)}100%{opacity:0;transform:scale(1.35)}}@keyframes ringBurst{0%{opacity:0;transform:scale(.3)}25%{opacity:.8}100%{opacity:0;transform:scale(1.35)}}@keyframes smoke1{0%{opacity:0;transform:translate(0,0) scale(.2)}20%{opacity:1}100%{opacity:0;transform:translate(-36px,-74px) scale(1.8)}}@keyframes smoke2{0%{opacity:0;transform:translate(0,0) scale(.22)}16%{opacity:.9}100%{opacity:0;transform:translate(18px,-90px) scale(2)}}@keyframes smoke3{0%{opacity:0;transform:translate(0,0) scale(.2)}18%{opacity:.82}100%{opacity:0;transform:translate(-60px,-54px) scale(1.65)}}@keyframes smoke4{0%{opacity:0;transform:translate(0,0) scale(.2)}22%{opacity:.85}100%{opacity:0;transform:translate(42px,-46px) scale(1.65)}}@keyframes smoke5{0%{opacity:0;transform:translate(0,0) scale(.25)}24%{opacity:.52}100%{opacity:0;transform:translate(-6px,-118px) scale(2.25)}}.tap-prompt{display:inline-block;margin-top:16px;padding:10px 16px;border-radius:999px;background:rgba(255,255,255,.08);border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:800}.is-hidden{display:none!important}.controls{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:14px;border-top:1px solid var(--line)}.secondary-button{min-height:52px;border-radius:15px;border:1px solid var(--line);background:rgba(255,255,255,.045);color:var(--text);font-weight:800}.volume-note{margin:0;padding:0 18px 18px;color:#8d97a4;font-size:11px;line-height:1.7}
.content-section{width:min(var(--max),calc(100% - 32px));margin:88px auto 0}.content-section.center{text-align:center}.content-card{padding:clamp(24px,4vw,38px);border-radius:24px;border:1px solid var(--line);background:rgba(13,20,31,.9)}h2{margin:0;font-size:clamp(28px,6vw,44px);letter-spacing:-.03em}.section-lead{max-width:720px;margin:14px auto 0;color:var(--muted);line-height:1.9}.steps,.use-grid,.mode-grid{list-style:none;display:grid;gap:14px;margin:34px 0 0;padding:0;text-align:left}.steps{grid-template-columns:repeat(3,1fr)}.steps li{display:flex;gap:14px;padding:22px;border-radius:20px;background:rgba(13,20,31,.9);border:1px solid var(--line)}.steps li>span{display:grid;place-items:center;flex:0 0 34px;height:34px;border-radius:50%;background:var(--accent);font-weight:900}.steps strong{display:block;margin:5px 0 7px}.steps p,.use-card p,.mode-card p{margin:0;color:var(--muted);line-height:1.75;font-size:13px}.use-grid{grid-template-columns:repeat(2,1fr)}.use-card,.mode-card{padding:22px;border-radius:20px;background:var(--panel);border:1px solid var(--line)}.use-card strong,.mode-card strong{display:block;margin-bottom:8px;font-size:17px}.mode-grid{grid-template-columns:1fr 1fr}.mode-card b{display:inline-flex;margin-bottom:12px;padding:5px 10px;border-radius:999px;background:rgba(255,127,31,.14);color:var(--accent2);font-size:11px}.notice{margin-top:20px;padding:16px;border-radius:14px;background:rgba(255,127,31,.1);color:#d5dae0}.faq-list{display:grid;gap:10px;margin-top:26px;text-align:left}.faq-list details{border:1px solid var(--line);border-radius:16px;background:var(--panel);padding:0 18px}.faq-list summary{cursor:pointer;padding:18px 28px 18px 0;font-weight:850;list-style:none;position:relative}.faq-list summary::-webkit-details-marker{display:none}.faq-list summary::after{content:"＋";position:absolute;right:0;color:var(--accent2)}.faq-list details[open] summary::after{content:"−"}.faq-list p{margin:0;padding:0 0 18px;color:var(--muted);line-height:1.8}
.share-section,.ad-section{width:min(var(--max),calc(100% - 32px));margin:72px auto 0;text-align:center}.share-section{padding:34px;border-radius:24px;border:1px solid var(--line);background:rgba(13,20,31,.9)}.share-section h2{font-size:clamp(26px,5vw,38px)}.share-lead{max-width:620px;margin:14px auto 24px;color:var(--muted);line-height:1.8;font-size:14px}.share-buttons{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px}.share-button{min-height:50px;border-radius:14px;border:1px solid var(--line);font-weight:900;color:#fff;transition:transform .15s ease,filter .15s ease}.share-button:active{transform:scale(.98)}.share-facebook{background:#1877f2;color:#fff}.share-x{background:#111;color:#fff}.share-line{background:#06c755;color:#fff}.share-copy{background:rgba(255,255,255,.07)}.share-status{min-height:1.4em;margin:14px 0 0;color:var(--accent2);font-size:12px;font-weight:800}.share-note{margin:8px 0 0;color:#7f8994;font-size:11px}.ad-section{margin-top:54px}.ad-label{margin-bottom:9px;color:#7f8994;font-size:10px;letter-spacing:.16em;font-weight:800}.ad-slot{min-height:110px;display:block;border:1px solid rgba(255,255,255,.07);border-radius:18px;background:rgba(255,255,255,.018);overflow:hidden}.adsbygoogle{width:100%;min-height:100px}
.site-footer{width:min(var(--max),calc(100% - 32px));margin:34px auto 0;padding:28px 0 40px;display:flex;justify-content:space-between;align-items:center;gap:14px;border-top:1px solid var(--line);color:#77808b;font-size:12px}.site-footer nav{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px}.site-footer a{text-decoration:none}.site-footer a:hover{color:var(--accent2)}
@media(max-width:720px){.home-link{display:none}.hero{margin-top:22px}.stage{min-height:560px;padding-inline:15px}.steps,.use-grid,.mode-grid{grid-template-columns:1fr}.content-section{margin-top:72px}.content-card{padding:24px 20px}.photo-shell{width:min(360px,88vw)}.share-section{padding:26px 18px}.share-buttons{grid-template-columns:1fr 1fr}.share-button{min-height:48px}.ad-section{margin-top:44px}.site-footer{align-items:flex-start;flex-direction:column}.site-footer nav{justify-content:flex-start}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}
@media(prefers-reduced-motion:reduce){.pistol-button.is-fired .photo-shell{animation:starterRecoilV10 .28s ease-out!important}.pistol-button.is-fired .photo-shell img{animation:starterImageShakeV10 .22s ease-out!important}}


/* 2026-09 MVP: continuous practice, reaction CTA, contact form */
.mode-switch{grid-template-columns:repeat(3,minmax(0,1fr))}
.mode-tab{min-width:0;padding-left:10px;padding-right:10px}
.mode-tab span{white-space:nowrap}
.mode-tab small{white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.continuous-settings{padding:28px clamp(18px,4vw,34px) 30px;border-bottom:1px solid rgba(148,163,184,.14);background:linear-gradient(180deg,rgba(16,28,45,.88),rgba(11,19,32,.98))}
.continuous-heading{text-align:center;margin-bottom:24px}.continuous-heading strong{display:block;font-size:clamp(22px,5vw,30px);margin-bottom:7px}.continuous-heading p{margin:0;color:#aebdd0;font-size:14px}
.setting-block{margin-top:20px}.setting-label{display:block;font-weight:800;margin-bottom:10px;color:#eaf2fb}.preset-row{display:flex;gap:9px;flex-wrap:wrap;align-items:stretch}.preset-button{min-height:48px;padding:0 18px;border:1px solid #34445a;border-radius:14px;background:#111d2c;color:#eaf2fb;font:inherit;font-weight:800;cursor:pointer}.preset-button.is-selected{background:#fff;color:#111827;border-color:#fff}.custom-number{display:flex;align-items:center;gap:8px;min-height:48px;padding:6px 10px 6px 13px;border:1px solid #34445a;border-radius:14px;background:#111d2c;color:#aebdd0;font-size:13px}.custom-number input{width:82px;min-height:36px;border:0;border-radius:9px;background:#07101c;color:#fff;padding:0 9px;font:inherit;font-size:16px;outline:none}.custom-number input:focus{box-shadow:0 0 0 2px rgba(96,165,250,.45)}
.continuous-start-button{width:100%;min-height:58px;margin-top:25px;border:0;border-radius:18px;background:#ff7a18;color:#fff;font:inherit;font-size:18px;font-weight:900;cursor:pointer}.continuous-start-button:active{transform:translateY(1px)}.continuous-result{min-height:20px;margin:12px 0 0;text-align:center;color:#86efac;font-weight:800}
.reaction-entry{display:flex;align-items:center;gap:13px;margin:20px 20px 22px;padding:15px 17px;border:1px solid rgba(96,165,250,.28);border-radius:17px;background:rgba(12,29,49,.78);color:#fff;text-decoration:none;transition:.2s ease}.reaction-entry:hover{border-color:rgba(96,165,250,.55);background:rgba(16,39,66,.9)}.reaction-entry>span:nth-child(2){display:flex;flex-direction:column;min-width:0;flex:1}.reaction-entry strong{font-size:16px}.reaction-entry small{margin-top:3px;color:#aebdd0;line-height:1.4}.reaction-icon{font-size:22px}.reaction-arrow{font-size:30px;line-height:1;color:#9fc7ff}.text-cta{display:inline-flex;margin-top:16px;color:#8fc2ff;font-weight:900;text-decoration:none}.mode-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.site-footer{display:block;padding:0;border-top:1px solid #253247;background:#07101b}.footer-contact{max-width:940px;margin:0 auto;padding:42px 22px 34px}.footer-contact-head{margin-bottom:20px}.footer-contact-head strong{font-size:22px;color:#fff}.footer-contact-head p{margin:7px 0 0;color:#9fb0c6;font-size:14px}.contact-form{display:grid;grid-template-columns:1fr 1fr;gap:15px}.contact-form label{display:flex;flex-direction:column;gap:7px;color:#dce7f4;font-size:13px;font-weight:800}.contact-form label small{color:#8294aa;font-weight:600}.contact-form label em{color:#ff9b8c;font-style:normal;font-size:12px}.contact-form input,.contact-form textarea{width:100%;box-sizing:border-box;border:1px solid #304158;border-radius:12px;background:#0c1725;color:#fff;padding:12px 13px;font:inherit;font-size:16px;outline:none}.contact-form input:focus,.contact-form textarea:focus{border-color:#6ea8ef;box-shadow:0 0 0 3px rgba(80,140,220,.15)}.contact-form textarea{resize:vertical;min-height:120px}.contact-message{grid-column:1/-1}.contact-submit{grid-column:1/-1;justify-self:start;min-width:150px;min-height:48px;border:0;border-radius:12px;background:#fff;color:#101827;font:inherit;font-weight:900;cursor:pointer}.contact-status{grid-column:1/-1;min-height:20px;margin:0;color:#9fb0c6;font-size:13px}.contact-status.is-success{color:#86efac}.contact-status.is-error{color:#fca5a5}.hp-field{position:absolute!important;left:-9999px!important;width:1px!important;height:1px!important;overflow:hidden!important}.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px max(22px,calc((100% - 940px)/2 + 22px));border-top:1px solid #1d2a3b;color:#91a2b8;font-size:13px}.footer-bottom nav{display:flex;gap:16px;flex-wrap:wrap}.footer-bottom a{color:#b9c7d8;text-decoration:none}
@media(max-width:760px){.mode-tab{padding:13px 6px}.mode-tab span{font-size:14px}.mode-tab small{font-size:10px}.mode-grid{grid-template-columns:1fr}.reaction-entry{margin-left:12px;margin-right:12px}.contact-form{grid-template-columns:1fr}.contact-message,.contact-submit,.contact-status{grid-column:1}.footer-bottom{align-items:flex-start;flex-direction:column}.preset-row{display:grid;grid-template-columns:1fr 1fr}.custom-number{grid-column:1/-1;justify-content:space-between}.custom-number input{width:110px}}
@media(max-width:370px){.mode-tab span{font-size:12px}.mode-tab small{display:none}}

/* 2026-09 MVP2 layout refinements */
.reaction-entry.is-prominent{margin:18px 18px 16px;padding:17px 18px;border-color:rgba(96,165,250,.48);background:linear-gradient(135deg,rgba(16,46,78,.96),rgba(10,28,49,.96));box-shadow:0 10px 28px rgba(0,0,0,.18)}
.reaction-entry.is-prominent strong{font-size:17px}.reaction-entry.is-prominent small{font-size:12px}
.site-footer{width:min(var(--max),calc(100% - 32px));margin:34px auto 0;padding:0 0 34px;border-top:1px solid var(--line);background:transparent}
.footer-bottom{padding:22px 0 0;border-top:0}
@media(max-width:760px){.reaction-entry.is-prominent{margin:14px 12px 14px}.footer-bottom{padding-top:20px}}