:root{--color-primary: #00cfe0;--color-primary-vivid: #22dcf0;--color-primary-dark: #00b4c4;--color-primary-deep: #0a7c8a;--color-primary-aqua: #5aebf5;--color-primary-soft: #8af0f7;--color-primary-tint: #e0f9fc;--color-on-primary: #ffffff;--color-bg: #ffffff;--color-bg-tint: #eefafc;--color-text: #1a1a1a;--color-text-muted: #5f6b70;--color-ink: #111111;--color-border: #c5eef3;--color-border-strong: #8ad6e0;--color-danger: #9f1239;--color-glow: rgba(0, 207, 224, .3);--color-watermark: rgba(0, 207, 224, .14);--gradient-brand: linear-gradient(135deg, #00cfe0 0%, #5aebf5 100%);--gradient-brand-deep: linear-gradient(180deg, #22dcf0 0%, #5aebf5 55%, #b8f5fa 100%);--gradient-rich: linear-gradient(155deg, #4ae4f0 0%, #18d0e2 48%, #00b8cc 100%);--text-on-rich: #ffffff;--shadow-on-rich: 0 0 0 1px rgba(0, 70, 80, .18), 0 1px 0 rgba(0, 70, 80, .28), 0 1px 2px rgba(0, 55, 65, .35), 0 2px 8px rgba(0, 90, 100, .22);--mark-on-rich: color-mix(in srgb, #ffd85a 55%, rgba(255, 255, 255, .35));--gradient-cta-primary: linear-gradient(90deg, #ffd85a 0%, #ff9f2e 100%);--gradient-cta-secondary: linear-gradient(90deg, #7af0ff 0%, #00cfe0 100%);--color-skill-card-bg: #f6fbfc;--color-skill-listen: #478cb1;--color-skill-listen-plate-hi: #3aa3d6;--color-skill-listen-plate: #143a56;--color-skill-speak: #3f9a5f;--color-skill-speak-plate-hi: #4fbf78;--color-skill-speak-plate: #1a3f2a;--color-skill-read: #c9a227;--color-skill-read-plate-hi: #e0b84a;--color-skill-read-plate: #5a4210;--color-skill-write: #c24b4b;--color-skill-write-plate-hi: #e05a5a;--color-skill-write-plate: #5a1c1c;--color-line: #06c755;--color-line-dark: #05b34c;--color-on-line: #ffffff;--radius-md: 18px;--radius-lg: 28px;--radius-pill: 999px;--font-en: "M PLUS Rounded 1c", system-ui, -apple-system, sans-serif;--font-jp: "Zen Maru Gothic", "Hiragino Kaku Gothic ProN", "Yu Gothic", sans-serif;--shadow-card: 0 0 0 1px rgba(255, 255, 255, .65) inset, 0 8px 20px -14px rgba(0, 110, 120, .22), 0 0 0 3px rgba(0, 207, 224, .16);--shadow-rich: 0 0 0 1px rgba(255, 255, 255, .32) inset, 0 10px 24px -16px rgba(0, 110, 120, .32)}*{box-sizing:border-box}body{margin:0;font-family:var(--font-jp);color:var(--color-text);background:var(--color-bg-tint);font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased}#root{min-height:100dvh}.page{position:relative;overflow:hidden;min-height:100dvh;padding:0 14px 48px;background:radial-gradient(120% 80% at 100% -8%,rgba(255,255,255,.45),transparent 42%),radial-gradient(120% 80% at 100% -10%,rgba(34,220,240,.4),transparent 55%),radial-gradient(90% 60% at -10% 18%,rgba(90,235,245,.32),transparent 52%),linear-gradient(180deg,#d0f4fa 0%,#eefafc 34%,var(--color-bg-tint) 100%)}.decor{position:absolute;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;overflow:hidden}.bubble{position:absolute;border-radius:50%;background:radial-gradient(circle at 35% 30%,#ffffffa6,#00cfe047 38%,#5aebf500 72%);animation:bubble-float 7.5s ease-in-out infinite}.bubble-a{width:240px;height:240px;top:-56px;right:-48px;animation-duration:10s}.bubble-b{width:150px;height:150px;bottom:120px;left:-40px;animation-duration:12s;animation-delay:-3s}.bubble-c{width:88px;height:88px;top:38%;right:12%;opacity:.7;animation-duration:8s;animation-delay:-5s}.bubble-d{width:54px;height:54px;top:18%;left:18%;opacity:.75;animation-duration:6.5s;animation-delay:-2s}.wave{position:absolute;left:-10%;right:-10%;bottom:-2%;height:140px;background:radial-gradient(ellipse 40% 70% at 20% 100%,rgba(0,207,224,.2),transparent),radial-gradient(ellipse 45% 80% at 70% 100%,rgba(90,235,245,.22),transparent);animation:wave-sway 11s ease-in-out infinite}@keyframes bubble-float{0%,to{transform:translateY(0) scale(1)}50%{transform:translateY(-14px) scale(1.04)}}@keyframes wave-sway{0%,to{transform:translate(0)}50%{transform:translate(18px)}}@keyframes card-pop-in{0%{opacity:0;transform:translateY(12px)}to{opacity:1;transform:translateY(0)}}@keyframes hero-pop{0%{opacity:0;transform:translateY(8px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}@keyframes cta-nudge{0%,to{transform:translate(0)}50%{transform:translate(4px)}}@keyframes section-pulse{0%,to{box-shadow:0 0 0 6px var(--color-glow)}50%{box-shadow:0 0 0 9px #5aebf538}}.content{position:relative;z-index:1;max-width:640px;margin:0 auto}.home-stack{display:flex;flex-direction:column}.home-stack>*{order:3}.home-stack-gate{order:1}.home-stack-campaign{order:2}.home-stack-column{order:4}.hero{margin:0 -14px 14px;animation:hero-pop .45s ease-out both}.surface-rich{position:relative;overflow:hidden;background:radial-gradient(90% 80% at 85% 15%,rgba(255,255,255,.5),transparent 55%),radial-gradient(70% 70% at 10% 90%,rgba(90,235,245,.3),transparent 60%),var(--gradient-rich);box-shadow:var(--shadow-rich);color:var(--text-on-rich);-webkit-font-smoothing:antialiased}.surface-rich:after{content:"";position:absolute;left:-8%;right:-8%;bottom:-36%;height:48%;border-radius:50%;background:#ffffff1f;pointer-events:none}.hero-mark{text-align:center;padding:18px 18px 16px;border-radius:0 0 26px 26px;box-shadow:0 0 0 1px #ffffff47 inset,0 14px 28px -22px #006e7859}.hero-watermark{position:absolute;left:50%;top:40%;margin:0;transform:translate(-50%,-52%);font-family:var(--font-en);font-size:clamp(3.2rem,16vw,4.4rem);font-weight:800;letter-spacing:-.02em;line-height:1;color:color-mix(in srgb,var(--text-on-rich) 22%,transparent);pointer-events:none;-webkit-user-select:none;user-select:none;white-space:nowrap}.hero-eyebrow{margin:0 0 6px;font-family:var(--font-en);font-size:.78rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary-deep)}.section-en{margin:0 0 6px;font-family:var(--font-en);font-size:.98rem;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--color-text-muted)}.section-en{display:inline-flex;justify-self:start;margin-bottom:8px;padding:4px 12px;border-radius:var(--radius-pill);color:var(--color-primary-deep);background:linear-gradient(180deg,rgba(255,255,255,.9) 0%,var(--color-primary-tint) 100%);box-shadow:0 0 0 1px #ffffffb3 inset,0 0 0 3px #5aebf529}.eyebrow{font-size:.8125rem;letter-spacing:.12em;color:var(--color-primary-deep);font-weight:700;margin:0 0 8px}.hero-title{position:relative;z-index:1;font-family:var(--font-en);font-size:clamp(2.2rem,9vw,2.75rem);font-weight:800;line-height:.95;letter-spacing:-.02em;margin:0;color:var(--text-on-rich);text-shadow:var(--shadow-on-rich);-webkit-text-stroke:.35px rgba(0,70,80,.2);paint-order:stroke fill}.hero-m{display:inline-block;color:var(--text-on-rich);-webkit-text-fill-color:var(--text-on-rich);background:none}.hero-rest{color:var(--text-on-rich);font-weight:700;letter-spacing:-.015em}.hero-rule{position:relative;z-index:1;width:min(4.5rem,28%);height:1px;margin:10px auto 8px;border-radius:var(--radius-pill);background:linear-gradient(90deg,transparent 0%,color-mix(in srgb,var(--text-on-rich) 30%,transparent) 20%,color-mix(in srgb,var(--text-on-rich) 55%,transparent) 50%,color-mix(in srgb,var(--text-on-rich) 30%,transparent) 80%,transparent 100%);box-shadow:0 1px #ffffff8c}.hero-tag{position:relative;z-index:1;margin:0 auto;max-width:18em;font-size:clamp(.92rem,3.2vw,1rem);font-weight:700;line-height:1.55;letter-spacing:.06em;color:var(--text-on-rich);text-shadow:var(--shadow-on-rich);-webkit-text-stroke:.25px rgba(0,70,80,.18);paint-order:stroke fill;font-feature-settings:"palt"}.hero-em{position:relative;display:inline;font-weight:800;letter-spacing:.03em;color:var(--text-on-rich);padding:0 .04em;text-shadow:var(--shadow-on-rich);background:linear-gradient(180deg,transparent 62%,var(--mark-on-rich) 62%,var(--mark-on-rich) 92%,transparent 92%);box-decoration-break:clone;-webkit-box-decoration-break:clone}.lead{margin:0 0 24px;color:var(--color-text-muted);font-weight:500}.card{position:relative;overflow:hidden;background:linear-gradient(180deg,#fffffff0,#ffffffe0),radial-gradient(120% 80% at 100% 0%,rgba(34,220,240,.1),transparent 50%),var(--color-bg);border:1px solid rgba(213,237,228,.9);border-radius:var(--radius-lg);padding:18px 16px;margin-bottom:12px;box-shadow:var(--shadow-card);-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.card:before{content:"";position:absolute;top:0;left:12%;right:12%;height:2px;border-radius:var(--radius-pill);background:linear-gradient(90deg,transparent 0%,rgba(255,255,255,.95) 40%,rgba(255,255,255,.95) 60%,transparent 100%);pointer-events:none}.card-pop{animation:card-pop-in .45s ease-out both}.card h2{position:relative;margin:0 0 12px;padding-left:14px;border-left:5px solid var(--color-primary);font-size:1.25rem;font-weight:800;line-height:1.35;color:var(--color-text);letter-spacing:.01em}.card .section-en+h2{margin-top:0}.card>p{margin:0;color:var(--color-text-muted);font-size:.98rem;font-weight:500}.btn{position:relative;overflow:hidden;display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:14px 28px;border:1px solid transparent;border-radius:var(--radius-pill);font-weight:800;font-family:inherit;font-size:1rem;letter-spacing:.02em;cursor:pointer;background:linear-gradient(180deg,rgba(255,255,255,.28) 0%,transparent 45%),var(--gradient-brand);color:var(--color-on-primary);text-shadow:0 1px 0 rgba(0,0,0,.12);box-shadow:0 0 0 6px var(--color-glow);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}.btn:hover:not(:disabled){transform:translateY(-2px);filter:brightness(1.03)}.btn:active:not(:disabled){transform:translateY(0)}.btn:disabled{opacity:.55;cursor:not-allowed;box-shadow:none}.btn-cta-warm{gap:10px;justify-content:space-between;align-items:center;padding:7px 7px 7px 18px;background:linear-gradient(180deg,rgba(255,255,255,.28) 0%,transparent 42%),linear-gradient(135deg,#ffe27a,#ff9f2e);color:#7a5520;text-shadow:none;border:2px solid #fff;box-shadow:0 0 0 4px #ff9f2e33;animation:cta-warm-glow 2.8s ease-in-out infinite}.btn-cta-warm:hover:not(:disabled){filter:brightness(1.03);transform:translateY(-1px);box-shadow:0 0 0 5px #ff9f2e47;animation:none}@keyframes cta-warm-glow{0%,to{box-shadow:0 0 0 4px #ff9f2e29}50%{box-shadow:0 0 0 7px #ff9f2e47}}.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.field{display:flex;flex-direction:column;gap:8px;margin-top:16px}.field span{font-size:.92rem;color:var(--color-primary-deep);font-weight:800}.field input{min-height:52px;border:2px solid var(--color-border);border-radius:var(--radius-md);padding:12px 14px;font:inherit;font-size:1.05rem;font-weight:600;letter-spacing:.04em;color:var(--color-text);background:#fff}.field input::placeholder{color:#6b7c8a;font-weight:500;letter-spacing:0}.field input:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 4px var(--color-glow)}.btn-secondary{background:#fff;color:var(--color-primary-deep);border:2px solid var(--color-border-strong);text-shadow:none}.btn-secondary:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-tint)}.btn-line{width:100%;background:var(--color-line);color:var(--color-on-line);border:none;text-shadow:none;box-shadow:0 0 0 4px color-mix(in srgb,var(--color-line) 22%,transparent)}.btn-line:hover:not(:disabled){background:var(--color-line-dark);filter:none;box-shadow:0 0 0 5px color-mix(in srgb,var(--color-line) 28%,transparent)}.card-lead{margin:0;color:var(--color-text-muted);font-size:.98rem;font-weight:500;line-height:1.7}.child-bar{padding:14px 14px 12px}.card.child-bar-invite{position:relative;overflow:hidden;padding:22px 18px 18px;border:1px solid var(--color-border);border-radius:var(--radius-lg);background:radial-gradient(110% 70% at 100% 0%,rgba(90,235,245,.22),transparent 55%),radial-gradient(90% 60% at 0% 100%,rgba(0,207,224,.12),transparent 50%),linear-gradient(165deg,#fff,#eefafc);box-shadow:0 0 0 1px #ffffffe6 inset,0 10px 28px -18px #006e7847;color:var(--color-text);-webkit-backdrop-filter:none;backdrop-filter:none;animation:card-pop-in .45s ease-out both}.card.child-bar-invite:before{left:0;right:0;height:4px;border-radius:0;background:linear-gradient(90deg,#00cfe0,#5aebf5)}.link-invite{position:relative;z-index:1;display:grid;gap:12px;text-align:left}.link-invite-kicker{position:relative;margin:0;width:fit-content;padding:6px 12px;border-radius:var(--radius-pill);background:var(--color-primary-tint);border:none;font-family:var(--font-en);font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary-deep)}.card .link-invite-title,.link-invite-title{position:relative;z-index:1;display:block;margin:0;padding:0 0 0 14px;border:none;border-left:4px solid var(--color-primary);font-size:1.28rem;font-weight:800;line-height:1.45;letter-spacing:0;color:var(--color-text);text-shadow:none}.link-invite-lead{position:relative;margin:0;color:var(--color-text);font-size:.95rem;font-weight:500;line-height:1.75;letter-spacing:0;opacity:.78;text-shadow:none;font-feature-settings:"palt"}.link-invite-points{position:relative;list-style:none;margin:2px 0 0;padding:4px 2px;border-radius:0;background:transparent;border:none;color:var(--color-text);font-size:.95rem;font-weight:700;line-height:1.5;display:grid;gap:0;box-shadow:none;text-shadow:none}.link-invite-points li{margin:0;display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px solid var(--color-border)}.link-invite-points li:last-child{border-bottom:none;padding-bottom:2px}.point-mark{flex:0 0 auto;width:20px;height:20px;margin-top:0;border-radius:50%;border:none;background:var(--color-primary);box-shadow:none;position:relative}.point-mark:after{content:"";position:absolute;left:7px;top:4px;width:5px;height:9px;border-right:2px solid #fff;border-bottom:2px solid #fff;transform:rotate(40deg)}.link-invite-stage{display:grid;margin:10px 0 2px}.link-invite-cta{width:100%;min-height:62px;font-size:1.08rem;letter-spacing:.02em}.link-invite-cta-label{flex:1;text-align:center;font-weight:800;padding-left:36px}.link-invite-cta-go{flex:0 0 auto;width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#b45f00;font-size:1.15rem;font-weight:800;line-height:1;border:none;box-shadow:0 1px 2px #783c001f;transition:transform .18s ease;animation:cta-warm-nudge 2.4s ease-in-out infinite}.btn-cta-warm:hover:not(:disabled) .link-invite-cta-go{animation:none;transform:translate(3px)}@keyframes cta-warm-nudge{0%,to{transform:translate(0)}50%{transform:translate(3px)}}.link-invite-hint{position:relative;margin:0;text-align:center;font-size:.82rem;font-weight:600;letter-spacing:0;line-height:1.5;color:var(--color-text-muted);text-shadow:none}.link-form-header{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:4px}.link-form-title{margin:0;padding:0;border:none;font-size:1.1rem;font-weight:800;color:var(--color-primary-deep)}.link-form-solo{margin-top:0;padding-top:0;border-top:none}.child-toolbar{display:flex;align-items:flex-end;gap:10px}.child-toolbar-main{flex:1;min-width:0}.child-picker{display:grid;gap:6px}.child-switcher{position:relative}.child-switcher-trigger{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:100%;min-height:48px;padding:8px 48px 8px 16px;border-radius:var(--radius-pill);border:2px solid var(--color-primary);background-color:var(--color-primary-tint);background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='30' height='30' viewBox='0 0 30 30'%3E%3Ccircle cx='15' cy='15' r='13' fill='%2300cfe0'/%3E%3Cpath d='M10 12l5 5 5-5' stroke='%23ffffff' stroke-width='2' fill='none' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 6px center;background-size:30px 30px;box-shadow:var(--shadow-card);color:var(--color-primary-deep);font:inherit;font-size:1.25rem;font-weight:800;line-height:1.2;text-align:left;cursor:pointer}.child-switcher-trigger-label{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.child-switcher-trigger:disabled{opacity:.6;cursor:not-allowed}.child-switcher-trigger:focus-visible{outline:none;box-shadow:0 0 0 4px var(--color-glow)}.child-switcher-menu{position:absolute;z-index:20;top:calc(100% + 6px);left:0;right:0;margin:0;padding:6px;list-style:none;max-height:60vh;overflow-y:auto;border-radius:var(--radius-md);border:2px solid var(--color-border-strong);background:var(--color-surface, #fff);box-shadow:var(--shadow-card)}.child-switcher-option{display:flex;align-items:center;justify-content:space-between;gap:8px;width:100%;padding:10px 12px;border:none;border-radius:var(--radius-md);background:transparent;color:var(--color-text);font:inherit;text-align:left;cursor:pointer}.child-switcher-option:hover,.child-switcher-option-active{background:var(--color-primary-tint)}.child-switcher-option-body{display:grid;gap:2px;min-width:0}.child-switcher-option-name{font-weight:800;font-size:1.05rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.child-switcher-option-flag{font-size:.8rem;font-weight:700;color:#c23b1f}.child-switcher-option-check{flex-shrink:0;color:var(--color-primary);font-weight:900;font-size:1.1rem}.icon-btn{flex-shrink:0;width:42px;height:42px;border-radius:var(--radius-pill);border:1.5px solid var(--color-border-strong);background:linear-gradient(180deg,#ffffff 0%,var(--color-primary-tint) 100%);color:var(--color-primary-deep);font-size:1.35rem;font-weight:700;line-height:1;cursor:pointer;display:inline-flex;align-items:center;justify-content:center;box-shadow:0 4px 12px -8px #006e7859;transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease,transform .15s ease}.icon-btn-lg{width:48px;height:48px;font-size:1.5rem}.icon-btn:hover{border-color:var(--color-primary);color:var(--color-primary-deep);background:var(--color-primary-tint);transform:translateY(-1px);box-shadow:0 0 0 3px var(--color-glow)}.icon-btn-active{border-color:var(--color-primary-dark);background:var(--gradient-brand);color:var(--color-on-primary);box-shadow:0 0 0 4px var(--color-glow)}.link-form{margin-top:12px;padding-top:12px;border-top:1.5px solid var(--color-border)}.link-form .field{margin-top:10px}.status-compact{margin:8px 0 0;font-size:.88rem}.nickname-edit{width:100%;padding:10px 12px;border-radius:var(--radius-md);border:1.5px dashed var(--color-border);background:#f7fbfc}.nickname-edit .field{margin-top:0}.child-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:10px}.btn-chip{min-height:36px;padding:7px 14px;border-radius:var(--radius-pill);border:1.5px solid var(--color-border-strong);background:#fff;color:var(--color-primary-deep);font:inherit;font-size:.86rem;font-weight:800;line-height:1.2;cursor:pointer;text-decoration:none;box-shadow:0 4px 10px -8px #006e7847;transition:background .15s ease,border-color .15s ease,color .15s ease,box-shadow .15s ease}.btn-chip:hover:not(:disabled){border-color:var(--color-primary);background:var(--color-primary-tint);box-shadow:0 0 0 3px var(--color-glow)}.btn-chip-danger{color:var(--color-danger);border-color:color-mix(in srgb,#e11d48 35%,white);background:#fff}.btn-chip-danger:hover:not(:disabled){border-color:#e11d48;background:#fff1f2;box-shadow:0 0 0 3px #e11d481f}.btn-chip:disabled{opacity:.5;cursor:not-allowed;box-shadow:none}.btn-danger{background:#fff;color:#9f1239;border:2px solid #e11d48;text-shadow:none}.btn-danger:hover:not(:disabled){background:#fff1f2;box-shadow:0 0 0 5px #e11d481f}.dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:40;display:grid;place-items:center;padding:24px 16px;background:#0b122073}.dialog{width:min(100%,420px);padding:22px 20px;border-radius:var(--radius-lg);background:#fff;border:1.5px solid var(--color-border);box-shadow:var(--shadow-card)}.dialog h3{margin:0 0 12px;font-size:1.15rem;font-weight:800;color:var(--color-primary-deep)}.dialog p{margin:0 0 10px;color:var(--color-text-muted);font-weight:500;line-height:1.7}.dialog .btn-row{margin-top:18px}.link-form-hint{margin:10px 0 0;padding:12px 14px;border-radius:var(--radius-md);background:#fff7e8;border:1px solid #f5d78e;color:#7a4d00;font-size:.9rem;font-weight:700;line-height:1.55}.qr-scan-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:50;display:grid;place-items:end center;padding:16px;background:#0b12208c}.qr-scan-modal{width:min(100%,440px);margin-bottom:max(12px,env(safe-area-inset-bottom));padding:16px;border-radius:var(--radius-lg);background:#fff;border:1.5px solid var(--color-border);box-shadow:var(--shadow-card);display:grid;gap:12px}.qr-scan-head{display:flex;align-items:center;justify-content:space-between;gap:10px}.qr-scan-head h3{margin:0;font-size:1.1rem;font-weight:800;color:var(--color-primary-deep)}.qr-scan-viewport{position:relative;overflow:hidden;border-radius:var(--radius-md);background:#0b1220;aspect-ratio:3 / 4;max-height:min(58vh,420px)}.qr-scan-video{width:100%;height:100%;object-fit:cover;display:block;opacity:.35;transition:opacity .2s ease}.qr-scan-viewport.is-ready .qr-scan-video{opacity:1}.qr-scan-frame{position:absolute;top:18%;right:14%;bottom:18%;left:14%;border:3px solid rgba(255,255,255,.92);border-radius:18px;box-shadow:0 0 0 999px #00000047;pointer-events:none}.qr-scan-hint{margin:0;text-align:center;font-size:.9rem;font-weight:700;color:var(--color-text);line-height:1.5}.spinner-inline{width:18px;height:18px;border-width:2px;margin-right:8px}.child{width:100%;display:flex;justify-content:space-between;align-items:center;gap:12px;min-height:64px;padding:14px 16px;border-radius:var(--radius-md);border:2px solid var(--color-border);background:#fff;font:inherit;cursor:pointer;color:var(--color-text);text-align:left}.child-main{display:grid;gap:2px;min-width:0}.child strong{color:var(--color-text);font-size:1.1rem}.child-sub{color:var(--color-text-muted);font-weight:600;font-size:.85rem}.badge-linked,.badge-pending{flex-shrink:0;padding:6px 12px;border-radius:999px;font-size:.78rem;font-weight:800;letter-spacing:.02em}.badge-linked{color:#055a4a;background:#d8f5ee;border:1px solid #8fd9c7}.badge-pending{color:#5c6570;background:#eef1f3;border:1px solid #c5ced4}.child.active{border-color:var(--color-primary);background:var(--color-primary-tint);box-shadow:inset 0 0 0 1px var(--color-primary)}.study-block{margin-top:16px}.study-block h2{margin:0 0 10px}.study-block .summary-body,.study-block .empty-state{margin-top:4px}.summary-encourage{margin:0 0 14px;padding:10px 14px;border-radius:var(--radius-pill);background:linear-gradient(180deg,#ffffffbf,#dff8f0e6);border:1px solid rgba(255,255,255,.8);color:var(--color-primary-deep);font-weight:800;font-size:.95rem;line-height:1.5;text-align:center;box-shadow:0 0 0 1px #fff6 inset}.summary-hero{position:relative;overflow:hidden;text-align:center;padding:20px 16px 18px;border-radius:var(--radius-md);margin-bottom:12px;color:var(--color-text);background:radial-gradient(90% 80% at 100% 0%,rgba(34,220,240,.22),transparent 55%),radial-gradient(80% 70% at 0% 100%,rgba(0,207,224,.14),transparent 55%),linear-gradient(180deg,#ffffff 0%,var(--color-primary-tint) 100%);border:1.5px solid var(--color-border-strong);box-shadow:0 0 0 1px #ffffffbf inset,0 12px 28px -16px #006e7847,0 0 0 4px var(--color-glow)}.summary-hero:before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--gradient-brand);pointer-events:none}.summary-hero:after{content:"";position:absolute;inset:auto -20% -45% -20%;height:70%;border-radius:50%;background:radial-gradient(ellipse at center,rgba(0,207,224,.16),transparent 70%);pointer-events:none}.summary-hero-label{position:relative;z-index:1;margin:2px 0 10px;font-size:.92rem;font-weight:800;letter-spacing:.04em;color:var(--color-primary-deep)}.summary-hero-value{position:relative;z-index:1;margin:0;display:flex;align-items:baseline;justify-content:center;gap:6px;line-height:1}.summary-hero-num{font-family:var(--font-en);font-size:clamp(2.6rem,12vw,3.2rem);font-weight:800;color:var(--color-primary);letter-spacing:-.03em;text-shadow:0 1px 0 rgba(255,255,255,.9),0 0 24px rgba(0,207,224,.35);animation:summary-pop 2.6s ease-in-out infinite}.summary-hero-unit{font-size:1.2rem;font-weight:800;color:var(--color-primary-deep)}@keyframes summary-pop{0%,to{transform:scale(1)}50%{transform:scale(1.03)}}.skill-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;margin-bottom:12px}.skill{display:grid;gap:8px;justify-items:stretch;padding:0 0 10px;border-radius:var(--radius-md);border:1.5px solid color-mix(in srgb,var(--color-border-strong) 50%,white);background:#fff;box-shadow:0 0 0 1px #ffffff8c inset,0 8px 18px -14px #006e7847;position:relative;overflow:hidden;min-width:0}.skill-title-plate{display:grid;place-items:center;margin:0;padding:8px 4px 6px;background:linear-gradient(135deg,var(--skill-title-plate-hi, var(--color-skill-read-plate-hi)) 0%,var(--skill-title-plate, var(--color-skill-read-plate)) 100%);box-shadow:inset 0 1px #ffffff52;border-bottom:2px solid color-mix(in srgb,var(--skill-title-plate, var(--color-skill-read-plate)) 55%,var(--skill-accent, var(--color-primary-dark)))}.skill-title-img{display:block;width:100%;max-width:100%;height:auto;aspect-ratio:320 / 88;object-fit:contain;object-position:center;pointer-events:none;-webkit-user-select:none;user-select:none}.skill-listen{--skill-accent: var(--color-skill-listen);--skill-title-plate-hi: var(--color-skill-listen-plate-hi);--skill-title-plate: var(--color-skill-listen-plate);background:linear-gradient(180deg,#ffffff 50%,var(--color-skill-card-bg) 100%)}.skill-speak{--skill-accent: var(--color-skill-speak);--skill-title-plate-hi: var(--color-skill-speak-plate-hi);--skill-title-plate: var(--color-skill-speak-plate);background:linear-gradient(180deg,#ffffff 50%,var(--color-skill-card-bg) 100%)}.skill-read{--skill-accent: var(--color-skill-read);--skill-title-plate-hi: var(--color-skill-read-plate-hi);--skill-title-plate: var(--color-skill-read-plate);background:linear-gradient(180deg,#ffffff 50%,var(--color-skill-card-bg) 100%)}.skill-write{--skill-accent: var(--color-skill-write);--skill-title-plate-hi: var(--color-skill-write-plate-hi);--skill-title-plate: var(--color-skill-write-plate);background:linear-gradient(180deg,#ffffff 50%,var(--color-skill-card-bg) 100%)}.skill-value{display:inline-flex;align-items:baseline;justify-content:center;gap:1px;font-family:var(--font-en);font-size:1.05rem;font-weight:800;color:var(--skill-accent, var(--color-text));line-height:1;justify-self:center}.skill-unit{font-family:var(--font-jp);font-size:.72rem;font-weight:800;color:color-mix(in srgb,var(--skill-accent, var(--color-text-muted)) 55%,var(--color-text-muted))}.summary-extra{margin:0 0 12px;display:grid;gap:8px}.summary-extra div{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:10px 14px;border-radius:var(--radius-md);background:linear-gradient(180deg,#ffffffe6,#dff8f0cc);border:1px solid rgba(255,255,255,.85);box-shadow:0 0 0 1px #fff6 inset}.summary-extra dt{font-weight:800;font-size:.9rem;color:var(--color-text-muted)}.summary-extra dd{margin:0;font-weight:800;color:var(--color-text)}.summary-meta{margin:0;text-align:center;font-size:.92rem;font-weight:600;color:var(--color-text-muted)}.summary-meta strong{color:var(--color-text);font-weight:800;margin-left:.25em}.stats{display:grid;gap:10px;margin:14px 0 0}.stats div{display:flex;justify-content:space-between;gap:12px;align-items:center;border:1.5px solid var(--color-border);border-radius:var(--radius-md);padding:14px 16px;background:var(--color-primary-tint)}.stats dt{color:var(--color-text-muted);font-weight:800;font-size:.92rem}.stats dd{margin:0;font-family:var(--font-en);font-weight:800;font-size:1.35rem;line-height:1.2;color:var(--color-text)}@media(max-width:380px){.skill-grid{grid-template-columns:repeat(4,1fr)}}.column-section .card-lead{margin-bottom:12px}.column-tabs{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:0 0 14px;padding:4px;border-radius:var(--radius-pill);background:linear-gradient(180deg,#ffffff8c,#dff8f0d9);border:1px solid rgba(255,255,255,.8);box-shadow:0 0 0 1px #ffffff73 inset}.column-tab{min-height:40px;border:none;border-radius:var(--radius-pill);background:transparent;color:var(--color-text-muted);font:inherit;font-size:.92rem;font-weight:800;cursor:pointer}.column-tab-active{background:linear-gradient(180deg,#fff,#eafff5);color:var(--color-primary-deep);box-shadow:0 0 0 1px #ffffffe6 inset,0 0 0 4px var(--color-glow)}.article-list{list-style:none;margin:0;padding:0;display:grid;gap:12px}.article-card{width:100%;display:grid;grid-template-columns:minmax(108px,38%) 1fr;gap:12px;align-items:center;text-align:left;padding:10px;border-radius:var(--radius-md);border:1px solid rgba(255,255,255,.85);background:linear-gradient(180deg,#fffffffa,#eefaf4eb);box-shadow:0 0 0 1px #ffffff8c inset,0 10px 22px -16px #006e784d;font:inherit;color:var(--color-text);cursor:pointer;transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease}.article-card:hover{border-color:#fffffff2;transform:translateY(-2px);box-shadow:var(--shadow-card)}.article-featured{grid-template-columns:1fr;padding:0;overflow:hidden;border-color:transparent;box-shadow:var(--shadow-rich)}.article-thumb{width:100%;aspect-ratio:1.91 / 1;border-radius:14px;background:linear-gradient(145deg,#8eebc8,#c4f5e0 55%,#e0f9fc);background-size:cover;background-position:center}.article-featured .article-thumb{border-radius:0}.article-body{display:grid;gap:4px;align-content:center;min-width:0;padding:2px 2px 2px 0}.article-featured .article-body{padding:14px 14px 16px;gap:6px;align-content:start;background:var(--color-bg);color:var(--color-text);border-top:1px solid var(--color-border)}.article-date{font-size:.78rem;font-weight:800;color:var(--color-primary-deep);letter-spacing:.02em}.article-countdown{display:inline-flex;align-items:center;gap:3px;margin-top:4px;padding:2px 8px;border-radius:999px;background:#ff542e1f;font-size:.78rem;font-weight:800;color:#c23b1f}.article-countdown-icon{font-size:.9em;line-height:1}.article-featured .article-title{font-weight:800}.article-title{font-weight:800;font-size:.95rem;line-height:1.45;color:var(--color-text);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.article-featured .article-title{font-size:1.1rem;line-height:1.5;-webkit-line-clamp:4}.article-cta{margin-top:2px;display:inline-flex;align-items:center;gap:4px;font-size:.85rem;font-weight:800;color:var(--color-primary-deep)}.article-cta:after{content:"→";display:inline-block;animation:cta-nudge 1.4s ease-in-out infinite}.mission{margin-top:14px;padding:14px 0 0;border-top:1.5px solid var(--color-border)}.mission strong{display:block;font-size:1.05rem;color:var(--color-text)}.mission p{margin:8px 0;color:var(--color-text-muted);font-weight:500}.subhead{margin:22px 0 10px;font-size:1.05rem;font-weight:800;color:var(--color-primary-deep)}.reward-list{margin:0;padding-left:1.2rem;color:var(--color-text);font-weight:600}.spinner{width:28px;height:28px;border:3px solid var(--color-primary-tint);border-top-color:var(--color-primary);border-radius:50%;animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.status{margin-top:12px;font-size:.95rem;font-weight:800;color:var(--color-primary-deep)}.campaign-gate{position:relative;overflow:hidden;border-color:transparent;border-width:0;box-shadow:var(--shadow-card);background:radial-gradient(120% 80% at 100% 0%,var(--color-primary-tint) 0%,transparent 55%),#fff}.campaign-gate:before{content:"";position:absolute;inset:0 auto 0 0;width:5px;background:var(--gradient-brand);border-radius:var(--radius-lg) 0 0 var(--radius-lg);pointer-events:none}.campaign-gate-inner{position:relative;z-index:1;display:grid;gap:12px;text-align:left}.campaign-gate-kicker{margin:0;width:fit-content;padding:6px 12px;border-radius:var(--radius-pill);background:var(--color-primary-tint);font-family:var(--font-en);font-size:.68rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--color-primary-deep)}.card .campaign-gate-title,.campaign-gate-title{margin:0;padding:0 0 0 14px;border:none;border-left:4px solid var(--color-primary);font-size:1.32rem;font-weight:800;line-height:1.4;color:var(--color-text)}.campaign-gate-lead{margin:0;color:var(--color-text);font-size:.98rem;font-weight:500;line-height:1.75;opacity:.82}.campaign-gate-steps{list-style:none;margin:2px 0 0;padding:0;display:grid;gap:10px}.campaign-gate-steps li{display:flex;align-items:center;gap:12px;margin:0;padding:12px 14px;border-radius:var(--radius-md);background:var(--color-primary-tint);border:1px solid color-mix(in srgb,var(--color-primary) 18%,transparent);font-size:.95rem;font-weight:700;line-height:1.45;color:var(--color-text)}.campaign-gate-step-num{flex:0 0 auto;width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:var(--gradient-brand);color:var(--color-on-primary);font-family:var(--font-en);font-size:.85rem;font-weight:800;line-height:1;box-shadow:0 1px 2px #00788c2e}.campaign-gate-stage{display:grid;margin:8px 0 2px}.campaign-gate-cta{width:100%;min-height:62px;font-size:1.05rem;letter-spacing:.02em}.campaign-gate-cta-label{flex:1;text-align:center;font-weight:800;padding-left:36px}.campaign-gate-cta-go{flex:0 0 auto;width:46px;height:46px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:#fff;color:#b45f00;font-size:1.15rem;font-weight:800;line-height:1;box-shadow:0 1px 2px #783c001f;animation:cta-warm-nudge 2.4s ease-in-out infinite}.btn-cta-warm:hover:not(:disabled) .campaign-gate-cta-go{animation:none;transform:translate(3px)}.campaign-gate-hint{margin:0;text-align:center;font-size:.82rem;font-weight:600;line-height:1.5;color:var(--color-text-muted)}.link-focus{border-color:var(--color-primary);border-width:2px;box-shadow:0 0 0 4px var(--color-glow),var(--shadow-card)}.link-next-step{display:flex;flex-direction:column;align-items:stretch;gap:10px;margin:12px 0 4px;padding:12px 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0 8px;padding:18px 16px 16px;border-radius:var(--radius-lg, 20px);background:linear-gradient(160deg,var(--color-primary-tint) 0%,var(--color-surface) 70%);border:1px solid var(--color-border);text-align:center}.entry-countdown-kicker{margin:0;font-family:var(--font-en);font-size:.78rem;font-weight:800;letter-spacing:.06em;color:var(--color-primary-deep);text-transform:uppercase}.entry-countdown-title{margin:4px 0 14px;font-size:1.05rem;font-weight:800;color:var(--color-text)}.entry-countdown-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px}.entry-countdown-unit{display:grid;gap:4px;justify-items:center;padding:10px 4px;border-radius:14px;background:var(--color-surface);border:1px solid var(--color-border);box-shadow:0 6px 16px color-mix(in srgb,var(--color-primary) 12%,transparent)}.entry-countdown-value{display:inline-block;font-family:var(--font-en);font-size:1.45rem;font-weight:800;line-height:1;color:var(--color-primary-deep);animation:entry-countdown-tick .45s ease}.entry-countdown-label{font-size:.72rem;font-weight:700;color:var(--color-text-muted)}@keyframes entry-countdown-tick{0%{transform:translateY(6px);opacity:.35}to{transform:translateY(0);opacity:1}}.article-cta-soon{color:var(--color-primary-deep)}.campaign-friend-hint{margin:0 0 10px}.campaign-friend-gate{margin-top:12px;padding:16px 16px 14px;border-radius:var(--radius-md, 12px);border:1px solid color-mix(in srgb,var(--color-primary) 22%,transparent);background:radial-gradient(120% 80% at 100% 0%,var(--color-primary-tint) 0%,transparent 55%),#fff}.campaign-friend-kicker{margin:0 0 8px;width:fit-content;padding:5px 10px;border-radius:var(--radius-pill);background:var(--color-primary-tint);font-family:var(--font-en);font-size:.66rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;color:var(--color-primary-deep)}.campaign-friend-title{margin:0 0 8px;font-size:1.12rem;font-weight:800;line-height:1.4;color:var(--color-text)}.campaign-friend-gate .card-lead{margin-top:0}.campaign-friend-actions{margin-top:14px}.campaign-form{display:grid;gap:12px;margin-top:16px}.campaign-entry-next{margin:0 0 4px;padding:12px 14px;border-radius:var(--radius-md);background:var(--color-primary-tint)}.campaign-entry-next-kicker{margin:0 0 4px;font-size:.72rem;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--color-primary-deep)}.campaign-entry-next-title{margin:0;font-size:.95rem;font-weight:700;line-height:1.45;color:var(--color-text)}.campaign-entry-cta{--entry-ink: #5c4014;position:relative;width:100%;min-height:56px;margin-top:6px;padding:11px 14px 11px 18px;border-radius:999px;border:1px solid rgba(196,148,72,.45);color:var(--entry-ink);text-shadow:none;overflow:hidden;isolation:isolate;background:linear-gradient(105deg,#fff3d8,#ffe2a8 42%,#ffd086);box-shadow:0 1px #ffffffa6 inset,0 6px 16px -12px #8c5a1466;transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}.campaign-entry-cta-pattern{position:absolute;top:0;right:0;bottom:0;width:42%;pointer-events:none;opacity:.55;background:repeating-linear-gradient(-45deg,transparent 0 7px,rgba(160,100,30,.12) 7px 8px);-webkit-mask-image:linear-gradient(90deg,transparent,#000 35%);mask-image:linear-gradient(90deg,transparent,#000 35%)}.campaign-entry-cta-accent{position:absolute;left:10px;top:50%;width:3px;height:54%;border-radius:999px;transform:translateY(-50%);background:linear-gradient(180deg,#b4782826,#b478288c,#b4782826);pointer-events:none}.campaign-entry-cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:12px;width:100%;padding-left:8px}.campaign-entry-cta-copy{display:grid;gap:3px;text-align:left}.campaign-entry-cta-en{font-family:var(--font-en);font-size:.62rem;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:#5c40149e;line-height:1}.campaign-entry-cta-jp{font-size:1.02rem;font-weight:800;letter-spacing:.08em;line-height:1.15}.campaign-entry-cta-go{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;flex:0 0 auto;background:#ffffff8c;border:1px solid rgba(196,148,72,.35);box-shadow:0 1px #ffffffb3 inset;transition:transform .2s ease,background .2s 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