:root{--paper:#f3eee3;--ink:#2a241d;--ink-soft:#6b6153;--accent:#b8412f;--glass:#1814108c;--glass-strong:#181410c7;--line:#ffffff2e;--serif:"Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "Noto Serif JP", serif;--sans:"Hiragino Sans", "Yu Gothic", "YuGothic", "Noto Sans JP", system-ui, sans-serif;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{background:var(--paper);color:var(--ink);font-family:var(--sans);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}a{color:inherit}button{font:inherit}.btn{min-height:44px;color:inherit;cursor:pointer;letter-spacing:.08em;background:0 0;border:1px solid;border-radius:999px;justify-content:center;align-items:center;gap:.4em;padding:.6em 1.4em;text-decoration:none;transition:background .2s,color .2s,opacity .2s;display:inline-flex}.btn--primary{background:var(--ink);border-color:var(--ink);color:var(--paper)}.btn--primary:hover{opacity:.88}.btn--ghost{border-color:#ffffff80}.btn--block{width:100%}.top{max-width:1040px;margin:0 auto;padding:0 16px 48px}.top__hero{text-align:center;padding:18vh 0 10vh}.top__brand{letter-spacing:.5em;color:var(--ink-soft);margin:0 0 2.2rem;font-size:.8rem}.top__lead{font-family:var(--serif);letter-spacing:.12em;margin:0;font-size:clamp(1.25rem,5.6vw,2.6rem);font-weight:500}.top__concept{font-family:var(--serif);color:var(--ink-soft);letter-spacing:.2em;margin:1.4rem 0 0}.top__rooms{grid-template-columns:repeat(auto-fill,minmax(min(100%,320px),1fr));gap:28px;display:grid}.top__footer{text-align:center;color:var(--ink-soft);letter-spacing:.2em;margin-top:64px;font-size:.75rem}.top__empty{text-align:center;padding:30vh 0}.room-card{background:#fbf8f1;border-radius:14px;flex-direction:column;display:flex;overflow:hidden;box-shadow:0 1px 2px #0000000f,0 12px 32px -18px #3c281459}.room-card__visual{aspect-ratio:16/10;display:block}.room-card__visual img{object-fit:cover;background:#1b1d20;width:100%;height:100%;display:block}.room-card__body{flex-direction:column;gap:.7rem;padding:18px 20px 22px;display:flex}.room-card__meta{letter-spacing:.25em;color:var(--ink-soft);justify-content:space-between;margin:0;font-size:.75rem;display:flex}.room-card__title{font-family:var(--serif);letter-spacing:.1em;margin:0;font-size:1.35rem;font-weight:500}.room-card__title small{color:var(--ink-soft);letter-spacing:.05em;font-size:.7rem}.room-card__copy{font-family:var(--serif);margin:0;font-size:.92rem;line-height:1.9}.room-card__bgm{color:var(--ink-soft);cursor:pointer;background:0 0;border:1px solid #2a241d40;border-radius:999px;align-self:flex-start;padding:.35em .8em;font-size:.8rem}.room-card .btn{align-self:flex-start;margin-top:.3rem}.room-card__progress{color:var(--ink-soft);letter-spacing:.05em;flex-wrap:wrap;gap:4px 14px;margin:0;font-size:.76rem;display:flex}.room-card__status:before{content:"";vertical-align:1px;background:#2a241d38;border-radius:50%;width:6px;height:6px;margin-right:.45em;display:inline-block}.room-card__status.is-visited:before{background:#7c9a5f}.top__account{color:var(--ink-soft);flex-wrap:wrap;justify-content:center;align-items:center;gap:8px 14px;margin-top:2.4rem;font-size:.8rem;display:flex}.top__account-login{color:var(--ink);letter-spacing:.06em;border:1px solid #2a241d4d;border-radius:999px;padding:.45em 1.2em;text-decoration:none}.top__account-login:hover{background:#2a241d0f}.top__account-link{color:var(--ink-soft);font-size:inherit;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:0;text-decoration:underline}.top__account-note{flex-basis:100%;font-size:.72rem}.top__notice{background:#7c9a5f1f;border-radius:10px;max-width:420px;margin:1rem auto 0;padding:.6em 1em;font-size:.8rem;animation:.3s both fade-in}.room-card--locked{opacity:.55;justify-content:center;min-height:180px}.badge{color:#3d6b2a;letter-spacing:.15em;background:#e8f1dc;border-radius:4px;padding:.1em .6em}.badge--lock{color:var(--ink-soft);background:#ece6da}.room-player{-webkit-user-select:none;user-select:none;background:#1c1712;position:fixed;inset:0;overflow:hidden}.room-canvas{cursor:grab;inset:0;position:absolute!important}.room-canvas:active{cursor:grabbing}body[data-hover="1"] .room-canvas{cursor:pointer}.overlay{color:#f6f1e6;z-index:20;place-items:center;padding:16px;display:grid;position:absolute;inset:0}.overlay--loading{background:#1c1712}.overlay--gate,.overlay--error{-webkit-backdrop-filter:blur(6px);background:linear-gradient(#14100c59,#14100cb8);animation:.8s both fade-in}.overlay--error{background:#1c1712}.loading{text-align:center;width:min(320px,80vw)}.loading__label{font-family:var(--serif);letter-spacing:.2em;opacity:.8;margin:0 0 1rem;font-size:.9rem}.loading__bar{background:#ffffff26;height:2px;overflow:hidden}.loading__fill{background:#f6f1e6;height:100%;transition:width .4s}.gate{text-align:center;text-shadow:0 1px 12px #00000073;max-width:440px}.gate__number{letter-spacing:.5em;opacity:.8;margin:0;font-size:.8rem}.gate__title{font-family:var(--serif);letter-spacing:.18em;margin:.8rem 0 .3rem;font-size:clamp(1.8rem,6vw,2.6rem);font-weight:500}.gate__subtitle{letter-spacing:.2em;opacity:.6;margin:0;font-size:.75rem}.gate__desc{font-family:var(--serif);letter-spacing:.08em;margin:1.6rem 0 0;line-height:2}.gate__bgm{opacity:.75;margin:.8rem 0 0;font-size:.85rem}.gate__actions{flex-wrap:wrap;justify-content:center;gap:12px;margin-top:2rem;display:flex}.gate__actions .btn--primary{color:var(--ink);background:#f6f1e6;border-color:#f6f1e6}.gate__note{opacity:.6;letter-spacing:.1em;margin:1.4rem 0 0;font-size:.75rem}.hud{pointer-events:none;color:#f6f1e6;z-index:10;animation:1.2s both fade-in;position:absolute;inset:0}.hud>*{pointer-events:auto}.hud__top{padding:max(16px, env(safe-area-inset-top)) 16px 12px;pointer-events:none;justify-content:space-between;align-items:flex-start;gap:16px;display:flex;position:absolute;top:0;left:0;right:0}.hud__top>*{pointer-events:auto}.hud__intro{-webkit-backdrop-filter:blur(8px);background:#090c0ead;border:1px solid #ffffff29;border-radius:18px;width:min(370px,100vw - 100px);padding:16px 20px 18px;box-shadow:0 8px 28px #00000024}.hud__back{letter-spacing:.16em;opacity:.78;padding:.2em 0;font-size:.7rem;text-decoration:none;display:inline-block}.hud__back:hover{opacity:1}.hud__room-number{letter-spacing:.22em;opacity:.75;margin:16px 0 4px;font-size:.68rem}.hud__room-title{font-family:var(--serif);letter-spacing:.06em;margin:0;font-size:clamp(1.12rem,2.5vw,1.38rem);font-weight:500;line-height:1.45}.hud__room-description{font-family:var(--serif);letter-spacing:.03em;opacity:.9;margin:10px 0 0;font-size:.78rem;line-height:1.75}.hud__corner{flex-direction:column;flex:none;align-items:center;gap:8px;margin-left:auto;display:flex}.hud__round-btn,.hud__settings-toggle{border:1px solid var(--line);width:44px;height:44px;color:inherit;cursor:pointer;-webkit-backdrop-filter:blur(8px);background:#090c0ead;border-radius:50%;flex:none;place-items:center;display:grid;position:relative}.hud__round-btn svg{width:23px;height:23px}.hud__round-btn.is-active{border-color:#ffffffa6}.hud__ui-toggle svg{opacity:.85;width:21px;height:21px}.hud__ui-toggle.is-hidden-mode{opacity:.45;transition:opacity .25s}.hud__ui-toggle.is-hidden-mode:hover,.hud__ui-toggle.is-hidden-mode:focus-visible{opacity:1}.found-btn svg{width:22px;height:22px}.found-btn__dot{background:#9fd4ff;border-radius:50%;width:7px;height:7px;position:absolute;top:7px;right:7px;box-shadow:0 0 6px #9fd4ffcc}.settings-panel{z-index:3;top:calc(max(16px, env(safe-area-inset-top)) + 52px);-webkit-backdrop-filter:blur(10px);background:#090c0ee0;border:1px solid #ffffff2b;border-radius:16px;width:min(328px,100vw - 32px);max-height:min(460px,100vh - 220px);padding:18px;animation:.2s both fade-in;position:absolute;right:70px;overflow-y:auto;box-shadow:0 14px 32px #00000045}.settings-panel__title{letter-spacing:.08em;margin:0 0 16px;font-size:.9rem;font-weight:500}.settings-panel__row{border-top:1px solid #ffffff1f;grid-template-columns:4.5em minmax(0,1fr);align-items:center;gap:10px;padding:10px 0;display:grid}.settings-panel__row--camera{grid-template-columns:6.4em minmax(0,1fr)}.settings-panel__label{white-space:nowrap;font-size:.82rem}.settings-panel__choices,.settings-panel__audio-actions{gap:6px;min-width:0;display:flex}.settings-panel__choice{min-width:0;min-height:40px;color:inherit;white-space:nowrap;cursor:pointer;background:0 0;border:1px solid #ffffff47;border-radius:9px;flex:1;padding:6px 9px;font-size:.78rem}.settings-panel__choice:hover{background:#ffffff21}.settings-panel__choice.is-selected{color:#211e1a;background:#f6f1e6;border-color:#f6f1e6;font-weight:600}.settings-panel__details-toggle{flex:0 0 70px}.settings-panel__audio-actions{flex-wrap:wrap}.settings-panel__choices--sound{flex-direction:column;flex:100%}.settings-panel__choices--sound .settings-panel__choice{text-align:left;min-height:36px;padding-left:12px}.settings-panel__audio-actions .settings-panel__details-toggle{flex:none;min-height:32px;margin-left:auto}.discovery-notice{z-index:2;left:50%;top:calc(max(16px, env(safe-area-inset-top)) + 64px);color:#e6eef4;text-align:center;min-width:180px;font-family:var(--serif);letter-spacing:.08em;pointer-events:none;-webkit-backdrop-filter:blur(6px);background:#060c148c;border-radius:12px;padding:10px 22px 12px;animation:5.2s both discovery;position:absolute;transform:translate(-50%)}.discovery-notice p{margin:0}.discovery-notice__title{opacity:.7;font-size:.7rem}.discovery-notice__count{font-family:var(--sans);font-variant-numeric:tabular-nums;opacity:.8;font-size:.78rem;margin-top:2px!important}.discovery-notice__label{font-size:.95rem;margin-top:4px!important}@keyframes discovery{0%{opacity:0}15%,75%{opacity:1}to{opacity:0}}.settings-panel__hint{flex:none;justify-self:start;min-width:90px}.hud__round-btn:focus-visible,.hud__settings-toggle:focus-visible,.settings-panel button:focus-visible,.hud__intro a:focus-visible,.spot-btn:focus-visible,.found-panel button:focus-visible{outline-offset:3px;outline:2px solid #fff}.sound-panel{border-top:1px solid #ffffff1f;flex-direction:column;gap:11px;padding:14px 0 16px;display:flex}.sound-panel__bgm{font-family:var(--serif);opacity:.85;margin:0;font-size:.85rem}.sound-panel__row{grid-template-columns:4.2em 1fr 2.2em;align-items:center;gap:8px;font-size:.8rem;display:grid}.sound-panel__row input{accent-color:#f6f1e6;width:100%}.sound-panel__row output{text-align:right;font-variant-numeric:tabular-nums;opacity:.7}.found-panel{z-index:1;top:calc(max(16px, env(safe-area-inset-top)) + 58px);color:#f6f1e6;-webkit-backdrop-filter:blur(12px);background:#080b0ce6;border:1px solid #ffffff2e;border-radius:18px;flex-direction:column;width:min(310px,100vw - 32px);max-height:calc(100dvh - 166px);display:flex;position:absolute;right:16px;overflow:hidden;box-shadow:0 12px 32px #00000047}.found-panel:not(.found-panel--floating){top:calc(max(16px, env(safe-area-inset-top)) + 106px)}.found-panel--floating{z-index:3;top:calc(max(16px, env(safe-area-inset-top)) + 104px);max-height:calc(100dvh - 200px);animation:.2s both fade-in;right:70px}.found-panel:not(.is-open){width:auto;min-width:172px}.found-panel__header{justify-content:space-between;align-items:flex-start;gap:12px;padding:17px 18px 13px;display:flex}.found-panel__title{font-family:var(--serif);letter-spacing:.06em;margin:0;font-size:1.08rem;font-weight:600}.found-panel__count{color:#b7c1b9;font-variant-numeric:tabular-nums;margin:5px 0 0;font-size:.75rem}.found-panel__toggle{color:#f6f1e6;cursor:pointer;background:#ffffff17;border:1px solid #ffffff47;border-radius:999px;flex:none;min-width:48px;min-height:34px;padding:0 10px;font-size:.74rem}.found-panel__progress{background:#ffffff2e;border-radius:999px;flex:none;height:3px;margin:0 18px 4px;overflow:hidden}.found-panel__progress span{border-radius:inherit;background:#b7d2b5;height:100%;transition:width .25s;display:block}.found-panel__list{scrollbar-color:#7b8980 transparent;scrollbar-width:thin;flex:1;min-height:0;margin:0;padding:3px 18px 8px;list-style:none;overflow-y:auto}.found-panel__item{border-bottom:1px solid #ffffff1f;grid-template-columns:24px minmax(0,1fr);gap:10px;padding:11px 0 12px;display:grid}.found-panel__item:last-child{border-bottom:0}.found-panel__number{color:#a1ada4;font-variant-numeric:tabular-nums;padding-top:2px;font-size:.72rem}.found-panel__item-title{font-size:.84rem;font-weight:600;line-height:1.5;display:block}.found-panel__item:not(.is-found) .found-panel__item-title{color:#a1ada4;letter-spacing:.17em;font-weight:400}.found-panel__item-copy p{color:#c3cec4;font-family:var(--serif);margin:3px 0 0;font-size:.73rem;line-height:1.6}.found-panel__footer{border-top:1px solid #ffffff24;flex:none;padding:10px 18px 13px}.found-panel__reset,.found-panel__reset-confirm button{color:#c3cec4;text-underline-offset:3px;cursor:pointer;background:0 0;border:0;padding:2px 0;font-size:.71rem;text-decoration:underline}.found-panel__reset-confirm{flex-wrap:wrap;gap:4px 12px;font-size:.72rem;display:flex}.found-panel__reset-confirm span{flex-basis:100%}.found-panel__reset-confirm button:first-of-type{color:#ffb3a4}.hud__bottom{padding:0 16px max(16px, env(safe-area-inset-bottom));pointer-events:none;flex-direction:column;align-items:center;gap:12px;display:flex;position:absolute;bottom:0;left:0;right:0}.hud__bottom>*{pointer-events:auto}.hud__caption,.hud__guide,.hud__hover{background:var(--glass);max-width:640px;font-family:var(--serif);letter-spacing:.06em;text-align:center;-webkit-backdrop-filter:blur(6px);border-radius:12px;margin:0;padding:.7em 1.3em;line-height:1.8;pointer-events:none!important}.hud__caption{animation:5.2s both caption}.hud__guide{font-family:var(--sans);font-size:.85rem;animation:7s both caption}.hud__hover{opacity:.85;padding:.4em 1em;font-size:.85rem}.hud__spots{gap:8px;max-width:calc(100vw - 32px);display:flex;overflow-x:auto}.hud__controls{justify-content:center;align-items:flex-end;gap:12px;max-width:100%;display:flex}.walk-joystick{background:var(--glass);touch-action:none;cursor:pointer;-webkit-backdrop-filter:blur(6px);border:1px solid #f6f1e68c;border-radius:50%;flex:none;width:112px;height:112px;position:relative}.walk-joystick__arrow{color:#f6f1e6;opacity:.75;pointer-events:none;font-size:17px;line-height:1;position:absolute;top:8px;left:50%;transform:translate(-50%)}.walk-joystick__knob{pointer-events:none;background:#f6f1e6eb;border-radius:50%;width:42px;height:42px;position:absolute;top:35px;left:35px;box-shadow:0 2px 12px #18141047}.spot-btn{white-space:nowrap;border:1px solid var(--line);background:var(--glass);min-width:64px;min-height:40px;color:inherit;font-family:var(--serif);letter-spacing:.15em;cursor:pointer;-webkit-backdrop-filter:blur(6px);border-radius:999px;flex:none;padding:0 1em}.spot-btn.is-active{color:var(--ink);background:#f6f1e6e6}@media (width<=600px){.settings-panel,.found-panel--floating{top:calc(max(16px, env(safe-area-inset-top)) + 164px);right:8px}.found-panel:not(.found-panel--floating){top:max(186px, calc(env(safe-area-inset-top) + 174px))}.found-panel{width:min(310px,100vw - 16px);max-height:max(116px,100dvh - 350px);right:8px}.found-panel__header{padding:10px 12px}.found-panel__title{font-size:.91rem}.found-panel__count{margin-top:1px}.hud__bottom--walk-mobile .hud__controls{justify-content:space-between;width:100%}.hud__bottom--walk-mobile .hud__spots{grid-template-columns:repeat(2,minmax(68px,1fr));display:grid;overflow:visible}.hud__bottom--walk-mobile .hud__guide,.hud__bottom--walk-mobile .hud__caption{margin-left:122px}}.hint-label{color:#f6f1e6;white-space:nowrap;letter-spacing:.05em;background:#18141099;border-radius:999px;padding:.2em .6em;font-size:11px;display:inline-block}.hint-label:before{content:"";vertical-align:1px;background:#ffd98a;border-radius:50%;width:6px;height:6px;margin-right:.4em;display:inline-block}@keyframes fade-in{0%{opacity:0}to{opacity:1}}@keyframes caption{0%{opacity:0;transform:translateY(6px)}8%,82%{opacity:1;transform:none}to{opacity:0}}@media (prefers-reduced-motion:reduce){*,:before,:after{transition:none!important;animation-duration:.01ms!important}.discovery-notice{animation:none!important}}@media (width<=600px){.discovery-notice{top:auto;bottom:calc(max(16px, env(safe-area-inset-bottom)) + 150px);max-width:calc(100vw - 48px);padding:8px 16px 10px}.discovery-notice__label{font-size:.88rem}}@media (width<=420px){.hud__top{gap:8px;padding-left:8px;padding-right:8px}.hud__intro{width:min(295px,100vw - 76px);padding:12px 14px 14px}.hud__room-number{margin-top:10px}.hud__room-description{font-size:.72rem}.settings-panel{width:min(328px,100vw - 16px);right:8px}}