:root{--paper:#f8f5ed;--ink:#172a34;--muted:#6f7777;--line:rgba(23,42,52,.12);--red:#db4939;--red-dark:#bc3426;--blue:#174d62;--gold:#d5a33d;--white:#fff;--shadow:0 18px 50px rgba(18,38,45,.14);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans JP","Yu Gothic UI",Meiryo,sans-serif;color:var(--ink);background:#e8e8e4;font-synthesis:none}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;min-width:320px;background:radial-gradient(circle at 10% 0,#fff 0,transparent 28%),#e8e8e4}button,input{font:inherit}button{color:inherit}button:focus-visible,input:focus-visible{outline:3px solid rgba(219,73,57,.35);outline-offset:3px}.app-shell{width:min(100%,500px);min-height:100dvh;margin:auto;background:var(--paper);position:relative;box-shadow:0 0 60px rgba(20,30,34,.12);overflow:hidden}.topbar{position:sticky;top:0;z-index:20;height:68px;padding:10px 16px;display:flex;align-items:center;justify-content:space-between;background:rgba(248,245,237,.9);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.brand{border:0;background:none;display:flex;align-items:center;gap:8px;padding:0;font-family:'DM Sans',sans-serif;font-size:18px;font-weight:800;cursor:pointer}.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:50% 50% 46% 54%;background:var(--red);color:white;font:800 14px 'DM Sans';transform:rotate(-5deg)}.brand-mark+span{letter-spacing:-.5px}.time-pill{display:flex;align-items:center;gap:5px;padding:7px 9px;border:1px solid var(--line);background:#fff;border-radius:99px;font-size:9px;color:var(--muted)}.time-pill strong{font:700 11px 'DM Sans';color:var(--ink)}.live-dot{width:6px;height:6px;border-radius:50%;background:var(--red);box-shadow:0 0 0 4px rgba(219,73,57,.12)}.avatar-button{width:36px;height:36px;border:0;border-radius:50%;background:linear-gradient(145deg,#205b70,#123849);color:white;font-weight:700;cursor:pointer}.screen{display:none;min-height:calc(100dvh - 68px);padding:22px 18px 110px;animation:screenIn .3s ease}.screen.active{display:block}@keyframes screenIn{from{opacity:0;transform:translateY(6px)}}.eyebrow{margin:0 0 8px;font:700 10px 'DM Sans',sans-serif;letter-spacing:.16em;color:var(--red)}.hero-copy{padding:14px 4px 23px}.hero-copy h1,.screen-heading h1{margin:0;font-size:clamp(28px,8vw,39px);line-height:1.25;letter-spacing:-.055em}.hero-copy h1 em{font-style:normal;color:var(--red)}.hero-copy>p:last-child,.screen-heading>p:last-child{margin:14px 0 0;color:var(--muted);font-size:13px;line-height:1.9}.screen-heading{padding:16px 3px 28px}.screen-heading.compact{padding-bottom:20px}.screen-heading h1{font-size:34px}.bottom-nav{position:fixed;z-index:30;bottom:0;left:50%;transform:translateX(-50%);width:min(100%,500px);height:78px;padding:8px 12px max(8px,env(safe-area-inset-bottom));display:grid;grid-template-columns:repeat(5,1fr);background:rgba(255,255,255,.94);backdrop-filter:blur(18px);border-top:1px solid var(--line)}.bottom-nav button{border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:2px;color:#8c9292;font-size:10px;cursor:pointer}.bottom-nav button span{height:26px;font:700 22px 'DM Sans'}.bottom-nav button.active{color:var(--red);font-weight:700}.bottom-nav .post-nav span{display:grid;place-items:center;width:42px;height:42px;margin-top:-19px;border-radius:50%;background:var(--red);color:#fff;box-shadow:0 8px 20px rgba(219,73,57,.35);font-size:25px}.text-button,.light-button,.secondary-button,.logout-button{border:0;background:none;font-weight:700;font-size:12px;cursor:pointer}.text-button{color:var(--red)}.light-button{color:white;padding:10px 0;border-bottom:1px solid rgba(255,255,255,.5)}.primary-button,.secondary-button{width:100%;min-height:52px;border-radius:14px;border:0;font-weight:700;cursor:pointer}.primary-button{background:var(--red);color:white;box-shadow:0 10px 24px rgba(219,73,57,.25)}.primary-button:disabled{background:#c9cbca;box-shadow:none;cursor:not-allowed}.secondary-button{background:white;border:1px solid var(--line);margin-top:18px}.icon-button{border:0;background:none;font-size:20px;cursor:pointer}.feature-card{border-radius:24px;overflow:hidden}.results-teaser{min-height:240px;position:relative;margin-top:30px;background:#143b4b;color:white}.results-teaser img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.5}.results-teaser:after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,31,39,.95),rgba(10,31,39,.14))}.feature-copy{position:relative;z-index:2;width:70%;padding:28px 24px}.feature-copy .eyebrow{color:#f2b84a}.feature-copy h2{font-size:22px;line-height:1.45;margin:0}.feature-copy p:not(.eyebrow){font-size:11px;margin:10px 0 18px}.sort-tabs{display:flex;gap:6px;overflow:auto;padding:0 2px 18px;scrollbar-width:none}.sort-tabs button,.viewer-sort button{flex:none;border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 13px;color:var(--muted);font-size:11px;font-weight:700}.sort-tabs button.active,.viewer-sort button.active{background:var(--ink);color:white;border-color:var(--ink)}.ranking-list{display:grid;gap:12px}.ranking-card{display:grid;grid-template-columns:34px 92px 1fr;gap:12px;align-items:center;padding:10px;background:white;border-radius:18px;box-shadow:0 5px 20px rgba(20,40,50,.06);cursor:pointer}.ranking-card .rank-number{font:800 23px 'DM Sans';text-align:center}.ranking-card:nth-child(-n+3) .rank-number{color:var(--red)}.ranking-card img{width:92px;height:78px;border-radius:13px;object-fit:cover}.ranking-card h3{font-size:13px;margin:0 0 6px}.ranking-card p{font-size:11px;color:var(--muted);margin:0 0 5px}.ranking-card strong{font:700 13px 'DM Sans';color:var(--red)}.post-form{display:grid;gap:16px}.upload-drop{min-height:340px;border:1.5px dashed rgba(23,42,52,.25);border-radius:24px;background:#fff;display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;position:relative;overflow:hidden;cursor:pointer}.upload-drop .camera-icon{display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:#f5e5df;color:var(--red);font-size:28px;margin-bottom:14px}.upload-drop strong{font-size:14px}.upload-drop small{margin-top:8px;color:var(--muted)}.upload-drop img{display:none;position:absolute;inset:0;width:100%;height:100%;object-fit:cover}.upload-drop.has-image img{display:block}.upload-drop.has-image:after{content:"写真を変更";position:absolute;bottom:14px;background:rgba(15,31,38,.75);color:white;padding:8px 15px;border-radius:99px;font-size:11px}.location-card{display:grid;grid-template-columns:1fr auto;gap:2px 10px;padding:17px;border-radius:16px;background:#e7f0ed}.location-card span,.location-card small{font-size:10px;color:var(--muted)}.location-card strong{grid-row:1/3;grid-column:2;font-size:18px}.location-card.hidden{display:none}.consent{display:flex;gap:10px;align-items:flex-start;font-size:11px;line-height:1.7;color:var(--muted)}.consent input{margin-top:4px;accent-color:var(--red)}.winner-card{background:white;border-radius:24px;overflow:hidden;box-shadow:var(--shadow)}.winner-photo{height:350px;position:relative}.winner-photo img{width:100%;height:100%;object-fit:cover}.winner-badge{position:absolute;top:18px;left:18px;padding:9px 13px;border-radius:99px;background:var(--gold);color:white;font-size:12px;font-weight:800}.winner-info{padding:20px}.winner-info p{margin:0;color:var(--red);font-size:11px;font-weight:700}.winner-info h2{margin:5px 0 10px;font-size:22px}.winner-info div{font-size:11px;color:var(--muted)}.winner-info strong{color:var(--ink);font:700 18px 'DM Sans'}.result-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-top:16px}.result-grid article{padding:16px;background:#153f50;color:white;border-radius:18px;display:flex;flex-direction:column;gap:5px}.result-grid span,.result-grid small{font-size:9px;color:rgba(255,255,255,.7)}.result-grid strong{font-size:15px}.modal{display:none;position:fixed;z-index:100;inset:0;background:rgba(10,25,31,.6);padding:18px;place-items:center;backdrop-filter:blur(6px)}.modal.open{display:grid}.modal-card{width:min(100%,420px);background:var(--paper);border-radius:28px;padding:30px;position:relative;box-shadow:var(--shadow);animation:modalIn .3s ease}.modal-close{position:absolute;top:16px;right:16px;width:34px;height:34px;border:0;border-radius:50%;background:white;font-size:20px}.brand-lockup{display:flex;align-items:center;gap:8px;font:800 18px 'DM Sans'}.auth-card h2{font-size:28px;line-height:1.45;margin:24px 0}.auth-card>p{font-size:12px;color:var(--muted)}.auth-card form{display:grid;gap:13px}.auth-card label{display:grid;gap:6px;font-size:10px;color:var(--muted)}.auth-card input{height:48px;border:1px solid var(--line);border-radius:12px;background:white;padding:0 13px;color:var(--ink)}.demo-login{width:100%;border:0;background:none;margin:15px 0;color:var(--red);font-weight:700}.auth-card>small{display:block;text-align:center;color:var(--muted);font-size:9px}@keyframes modalIn{from{opacity:0;transform:translateY(10px) scale(.98)}}.toast{position:fixed;z-index:200;left:50%;bottom:98px;transform:translate(-50%,20px);width:max-content;max-width:calc(100% - 40px);padding:12px 18px;border-radius:99px;background:var(--ink);color:white;font-size:12px;opacity:0;pointer-events:none;transition:.25s}.toast.show{opacity:1;transform:translate(-50%,0)}
@media(min-width:760px){.app-shell{margin:24px auto;min-height:calc(100dvh - 48px);border-radius:28px}.bottom-nav{bottom:24px;border-radius:0 0 28px 28px}.topbar{border-radius:28px 28px 0 0}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}}
.avatar-button{flex:0 0 36px;min-width:36px;width:36px;height:36px;aspect-ratio:1/1;padding:0;overflow:hidden;border-radius:50%}
.offline-screen{position:fixed;z-index:1000;inset:0;display:grid;place-items:center;padding:24px;background:var(--paper)}
.offline-screen[hidden]{display:none}
.offline-card{width:min(100%,390px);text-align:center}
.offline-mark{display:grid;place-items:center;width:62px;height:62px;margin:0 auto 24px;border-radius:22px;background:var(--red);color:#fff;font-size:34px;font-weight:800;transform:rotate(-5deg);box-shadow:0 16px 35px rgba(219,73,57,.24)}
.offline-card h1{margin:0;font-size:clamp(30px,9vw,42px);line-height:1.3;letter-spacing:-.05em}
.offline-card>p:not(.eyebrow){margin:18px 0 28px;color:var(--muted);font-size:13px;line-height:1.9}
.offline-card .primary-button{max-width:280px}
.offline-card small{display:block;margin-top:13px;color:var(--muted);font-size:10px}
img.image-load-failed{visibility:hidden}